v34.10.0

* Add CryptoApi. encryptToDeviceMessages

Deprecate Crypto. encryptAndSendToDevices and MatrixClient. encryptAndSendToDevices

* Overload MatrixClient. encryptAndSendToDevices instead of deprecating

* Revert "Overload MatrixClient. encryptAndSendToDevices instead of deprecating"

This reverts commit 6a0d8e26385c34d40e8c2ed1e34cb5119c12456c.

* Feedback from code review

* Use temporary pre-release build of @matrix-org/matrix-sdk-crypto-wasm

* Deduplicate user IDs

* Test for RustCrypto implementation

* Use ensureSessionsForUsers()

* Encrypt to-device messages in parallel

* Use release version of matrix-sdk-crypto-wasm

* Upgrade matrix-sdk-crypto-wasm to v8

* Sync with develop

* Add test for olmlib CryptoApi

* Fix link

* Feedback from review

* Move libolm implementation to better place in file

* FIx doc

* Integration test

* Make sure test device is known to client

* Feedback from review

.eslintrc.cjs

@@ -1,5 +1,5 @@
 module.exports = {
-    plugins: ["matrix-org", "import", "jsdoc"],
+    plugins: ["matrix-org", "import", "jsdoc", "n"],
     extends: ["plugin:matrix-org/babel", "plugin:matrix-org/jest", "plugin:import/typescript"],
     parserOptions: {
         project: ["./tsconfig.json"],
@@ -108,10 +108,8 @@ module.exports = {
                 "@typescript-eslint/ban-ts-comment": "off",
                 // We're okay with assertion errors when we ask for them
                 "@typescript-eslint/no-non-null-assertion": "off",
-
-                // The non-TypeScript rule produces false positives
-                "func-call-spacing": "off",
-                "@typescript-eslint/func-call-spacing": ["error"],
+                // We do this sometimes to brand interfaces
+                "@typescript-eslint/no-empty-object-type": "off",
 
                 "quotes": "off",
                 // We use a `logger` intermediary module
@@ -128,6 +126,14 @@ module.exports = {
                 // These need a bit more work before we can enable
                 // "jsdoc/check-param-names": "error",
                 // "jsdoc/check-indentation": "error",
+                // Ensure .ts extension on imports outside of tests
+                "n/file-extension-in-import": [
+                    "error",
+                    "always",
+                    {
+                        tryExtensions: [".ts"],
+                    },
+                ],
             },
         },
         {

.github/CODEOWNERS

@@ -2,6 +2,7 @@
 /.github/workflows/**     @matrix-org/element-web-team
 /package.json             @matrix-org/element-web-team
 /yarn.lock                @matrix-org/element-web-team
+/scripts/**               @matrix-org/element-web-team
 /src/webrtc               @matrix-org/element-call-reviewers
 /src/matrixrtc               @matrix-org/element-call-reviewers
 /spec/*/webrtc            @matrix-org/element-call-reviewers

.github/actions/sign-release-tarball/action.yml

@@ -22,7 +22,7 @@ runs:
 
         - name: Upload tarball signature
           if: ${{ inputs.upload-url }}
-          uses: shogo82148/actions-upload-release-asset@8f032eff0255912cc9c8455797fd6d72f25c7ab7 # v1
+          uses: shogo82148/actions-upload-release-asset@aac270e08f6b4547ada0b3800f88e1eb3ce9d400 # v1
           with:
               upload_url: ${{ inputs.upload-url }}
               asset_path: ${{ env.VERSION }}.tar.gz.asc

.github/actions/upload-release-assets/action.yml

@@ -29,13 +29,13 @@ runs:
 
         - name: Upload asset signatures
           if: inputs.gpg-fingerprint
-          uses: shogo82148/actions-upload-release-asset@8f032eff0255912cc9c8455797fd6d72f25c7ab7 # v1
+          uses: shogo82148/actions-upload-release-asset@aac270e08f6b4547ada0b3800f88e1eb3ce9d400 # v1
           with:
               upload_url: ${{ inputs.upload-url }}
               asset_path: ${{ inputs.asset-path }}.asc
 
         - name: Upload assets
-          uses: shogo82148/actions-upload-release-asset@8f032eff0255912cc9c8455797fd6d72f25c7ab7 # v1
+          uses: shogo82148/actions-upload-release-asset@aac270e08f6b4547ada0b3800f88e1eb3ce9d400 # v1
           with:
               upload_url: ${{ inputs.upload-url }}
               asset_path: ${{ inputs.asset-path }}

.github/workflows/backport.yml

@@ -10,7 +10,7 @@ on:
 jobs:
     backport:
         name: Backport
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         # Only react to merged PRs for security reasons.
         # See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target.
         if: >

.github/workflows/docs-pr-netlify.yaml

@@ -9,7 +9,7 @@ on:
 jobs:
     netlify:
         if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'pull_request'
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - name: 📥 Download artifact
               uses: actions/download-artifact@v4

.github/workflows/downstream-end-to-end-tests.yml

@@ -21,14 +21,13 @@ concurrency:
 jobs:
     playwright:
         name: Playwright
-        uses: matrix-org/matrix-react-sdk/.github/workflows/end-to-end-tests.yaml@develop
+        uses: element-hq/element-web/.github/workflows/end-to-end-tests.yaml@develop
         permissions:
             actions: read
             issues: read
             pull-requests: read
         with:
             matrix-js-sdk-sha: ${{ github.sha }}
-            react-sdk-repository: matrix-org/matrix-react-sdk
             # We only want to run the playwright tests on merge queue to prevent regressions
             # from creeping in. They take a long time to run and consume multiple concurrent runners.
             skip: ${{ github.event_name != 'merge_group' }}

.github/workflows/notify-downstream.yaml

@@ -14,10 +14,8 @@ jobs:
                 include:
                     - repo: element-hq/element-web
                       event: element-web-notify
-                    - repo: matrix-org/matrix-react-sdk
-                      event: upstream-sdk-notify
 
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - name: Notify matrix-react-sdk repo that a new SDK build is on develop so it can CI against it
               uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3

.github/workflows/pull_request.yaml

@@ -12,9 +12,9 @@ concurrency: ${{ github.workflow }}-${{ github.event.pull_request.head.ref || gi
 jobs:
     changelog:
         name: Preview Changelog
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
-            - uses: mheap/github-action-required-labels@5847eef68201219cf0a4643ea7be61e77837bbce # v5
+            - uses: mheap/github-action-required-labels@d25134c992b943fb6ad00c25ea00eb5988c0a9dd # v5
               if: github.event_name != 'merge_group'
               with:
                   labels: |
@@ -29,7 +29,7 @@ jobs:
 
     prevent-blocked:
         name: Prevent Blocked
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         permissions:
             pull-requests: read
         steps:
@@ -42,7 +42,7 @@ jobs:
 
     community-prs:
         name: Label Community PRs
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: github.event.action == 'opened'
         steps:
             - name: Check membership
@@ -69,7 +69,7 @@ jobs:
 
     close-if-fork-develop:
         name: Forbid develop branch fork contributions
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: >
             github.event.action == 'opened' &&
             github.event.pull_request.head.ref == 'develop' &&

.github/workflows/release-drafter-workflow.yml

@@ -10,7 +10,7 @@ on:
 concurrency: release-drafter-action
 jobs:
     draft:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - name: 🧮 Checkout code
               uses: actions/checkout@v4
@@ -56,7 +56,7 @@ jobs:
                   script: |
                       const { RELEASE_ID: releaseId, DEPENDENCY, VERSION } = process.env;
                       const { owner, repo } = context.repo;
-                      const script = require("./.action-repo/scripts/release/merge-release-notes.js");
+                      const script = require("./.action-repo/scripts/release/merge-release-notes.cjs");
 
                       let deps = [];
                       if (DEPENDENCY.includes("/")) {

.github/workflows/release-gitflow.yml

@@ -15,7 +15,7 @@ on:
 concurrency: ${{ github.workflow }}
 jobs:
     merge:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
               with:
@@ -34,6 +34,7 @@ jobs:
             - uses: actions/setup-node@v4
               with:
                   cache: "yarn"
+                  node-version-file: package.json
 
             - name: Install Deps
               run: "yarn install --frozen-lockfile"
@@ -60,26 +61,25 @@ jobs:
                       CURRENT_VERSION=$(cat package.json | jq -r .dependencies[\"$PACKAGE\"])
                       echo "Current $PACKAGE version is $CURRENT_VERSION"
 
-                      if [ "$CURRENT_VERSION" == "null" ]
+                      if [[ "$CURRENT_VERSION" == "null" ]]
                       then
                           echo "Unable to find $PACKAGE in package.json"
                           exit 1
                       fi
 
-                      if [ "$CURRENT_VERSION" == "develop" ]
+                      if [[ "$CURRENT_VERSION" == *"#develop" ]]
                       then
                           echo "Not updating dependency $PACKAGE"
                           continue
                       fi
 
-                      echo "Resetting $1 to develop branch..."
+                      echo "Resetting $PACKAGE to develop branch..."
                       yarn add "github:matrix-org/$PACKAGE#develop"
                       git add -u
                       git commit -m "Reset $PACKAGE back to develop branch"
                   done <<< "$DEPENDENCIES"
               env:
                   DEPENDENCIES: ${{ inputs.dependencies }}
-                  FINAL: ${{ inputs.final }}
 
             - name: Push changes
               run: git push origin develop

.github/workflows/release-make.yml

@@ -41,7 +41,7 @@ on:
 jobs:
     release:
         name: Release
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         environment: Release
         steps:
             - name: Load GPG key
@@ -276,7 +276,7 @@ jobs:
     post-release:
         name: Post release steps
         needs: release
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - id: repository
               run: echo "REPO=${GITHUB_REPOSITORY#*/}" >> $GITHUB_OUTPUT
@@ -304,7 +304,7 @@ jobs:
     bump-downstreams:
         name: Update npm dependency in downstream projects
         needs: npm
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: inputs.downstreams
         strategy:
             matrix:

.github/workflows/release-npm.yml

@@ -11,7 +11,7 @@ on:
 jobs:
     npm:
         name: Publish to npm
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         outputs:
             id: ${{ steps.npm-publish.outputs.id }}
         steps:

.github/workflows/release.yml

@@ -28,13 +28,13 @@ jobs:
         with:
             final: ${{ inputs.mode == 'final' }}
             npm: ${{ inputs.npm }}
-            downstreams: '["matrix-org/matrix-react-sdk", "element-hq/element-web"]'
+            downstreams: '["element-hq/element-web"]'
 
     docs:
         name: Publish Documentation
         needs: release
         if: inputs.docs
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - name: 🧮 Checkout code
               uses: actions/checkout@v4
@@ -60,7 +60,7 @@ jobs:
         environment:
             name: github-pages
             url: ${{ steps.deployment.outputs.page_url }}
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         needs: docs
         # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
         permissions:

.github/workflows/sonarcloud.yml

@@ -14,7 +14,7 @@ on:
                 description: "Whether to combine multiple LCOV and jest-sonar-report files in coverage artifact"
 jobs:
     sonarqube:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: |
             github.event.workflow_run.conclusion == 'success' &&
             github.event.workflow_run.event != 'merge_group'
@@ -30,7 +30,7 @@ jobs:
                   target_url: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
             - name: "🧮 Checkout code"
-              uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+              uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
               with:
                   repository: ${{ github.event.workflow_run.head_repository.full_name }}
                   ref: ${{ github.event.workflow_run.head_branch }} # checkout commit that triggered this workflow
@@ -63,7 +63,7 @@ jobs:
 
             - name: "🩻 SonarCloud Scan"
               id: sonarcloud
-              uses: matrix-org/sonarcloud-workflow-action@v3.2
+              uses: matrix-org/sonarcloud-workflow-action@v3.3
               # workflow_run fails report against the develop commit always, we don't want that for PRs
               continue-on-error: ${{ github.event.workflow_run.head_branch != 'develop' }}
               with:

.github/workflows/static_analysis.yml

@@ -11,7 +11,7 @@ concurrency:
 jobs:
     ts_lint:
         name: "Typescript Syntax Check"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
 
@@ -38,7 +38,7 @@ jobs:
 
     js_lint:
         name: "ESLint"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
 
@@ -55,7 +55,7 @@ jobs:
 
     workflow_lint:
         name: "Workflow Lint"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
 
@@ -72,7 +72,7 @@ jobs:
 
     docs:
         name: "JSDoc Checker"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
 
@@ -97,7 +97,7 @@ jobs:
 
     analyse_dead_code:
         name: "Analyse Dead Code"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/checkout@v4
 

.github/workflows/tests.yml

@@ -13,12 +13,12 @@ env:
 jobs:
     jest:
         name: "Jest [${{ matrix.specs }}] (Node ${{ matrix.node == '*' && 'latest' || matrix.node }})"
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         timeout-minutes: 10
         strategy:
             matrix:
                 specs: [integ, unit]
-                node: ["lts/*", 21, 22]
+                node: ["lts/*", 22]
         steps:
             - name: Checkout code
               uses: actions/checkout@v4
@@ -63,10 +63,20 @@ jobs:
                       coverage
                       !coverage/lcov-report
 
-    matrix-react-sdk:
-        name: Downstream test matrix-react-sdk
+    # Dummy completion job to simplify branch protections
+    jest-complete:
+        name: Jest tests
+        needs: jest
+        if: always()
+        runs-on: ubuntu-24.04
+        steps:
+            - if: needs.jest.result != 'skipped' && needs.jest.result != 'success'
+              run: exit 1
+
+    element-web:
+        name: Downstream test element-web
         if: github.event_name == 'merge_group'
-        uses: matrix-org/matrix-react-sdk/.github/workflows/tests.yml@develop
+        uses: element-hq/element-web/.github/workflows/tests.yml@develop
         with:
             disable_coverage: true
             matrix-js-sdk-sha: ${{ github.sha }}
@@ -81,7 +91,7 @@ jobs:
     # we need this so the job is reported properly when run in a merge queue
     downstream-complement-crypto:
         name: Downstream Complement Crypto tests
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: always()
         needs:
             - complement-crypto
@@ -93,10 +103,10 @@ jobs:
     # and skip sonarcloud coverage within merge queues
     downstream:
         name: Downstream tests
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         if: always()
         needs:
-            - matrix-react-sdk
+            - element-web
         steps:
             - name: Skip SonarCloud on merge queues
               if: env.ENABLE_COVERAGE == 'false'
@@ -109,5 +119,5 @@ jobs:
                   sha: ${{ github.sha }}
                   target_url: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
-            - if: needs.matrix-react-sdk.result != 'skipped' && needs.matrix-react-sdk.result != 'success'
+            - if: needs.element-web.result != 'skipped' && needs.element-web.result != 'success'
               run: exit 1

.github/workflows/triage-incoming.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
     automate-project-columns-next:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-24.04
         steps:
             - uses: actions/add-to-project@main
               with:

CHANGELOG.md

@@ -1,3 +1,139 @@
+Changes in [34.10.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.10.0) (2024-11-05)
+====================================================================================================
+## 🦖 Deprecations
+
+* Deprecate `CreateSecretStorageOpts.keyBackupInfo` used in `CryptoApi.bootstrapSecretStorage.` ([#4474](https://github.com/matrix-org/matrix-js-sdk/pull/4474)). Contributed by @florianduros.
+* Add CryptoApi.encryptToDeviceMessages() and deprecate Crypto.encryptAndSendToDevices() ([#4380](https://github.com/matrix-org/matrix-js-sdk/pull/4380)). Contributed by @hughns.
+* Remove abandoned MSC3886, MSC3903, MSC3906 experimental implementations ([#4469](https://github.com/matrix-org/matrix-js-sdk/pull/4469)). Contributed by @t3chguy.
+* Deprecate `MatrixClient.getDehydratedDevice` ([#4467](https://github.com/matrix-org/matrix-js-sdk/pull/4467)). Contributed by @florianduros.
+* Deprecate top level crypto events re-export ([#4444](https://github.com/matrix-org/matrix-js-sdk/pull/4444)). Contributed by @florianduros.
+
+## ✨ Features
+
+* Add CryptoApi.encryptToDeviceMessages() and deprecate Crypto.encryptAndSendToDevices() ([#4380](https://github.com/matrix-org/matrix-js-sdk/pull/4380)). Contributed by @hughns.
+* Do not rotate MatrixRTC media encryption key when a new member joins a session ([#4472](https://github.com/matrix-org/matrix-js-sdk/pull/4472)). Contributed by @hughns.
+* Avoid `<sender>|<session>` notation in log messages ([#4473](https://github.com/matrix-org/matrix-js-sdk/pull/4473)). Contributed by @richvdh.
+* Refactor/simplify Promises in MatrixRTCSession ([#4466](https://github.com/matrix-org/matrix-js-sdk/pull/4466)). Contributed by @AndrewFerr.
+* Prepare delayed call leave events more reliably ([#4447](https://github.com/matrix-org/matrix-js-sdk/pull/4447)). Contributed by @AndrewFerr.
+
+## 🐛 Bug Fixes
+
+* Fix DelayedEventInfo type ([#4446](https://github.com/matrix-org/matrix-js-sdk/pull/4446)). Contributed by @AndrewFerr.
+
+
+Changes in [34.9.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.9.0) (2024-10-22)
+==================================================================================================
+## 🦖 Deprecations
+
+* Deprecate the crypto events which are not used by the rust-crypto ([#4442](https://github.com/matrix-org/matrix-js-sdk/pull/4442)). Contributed by @florianduros.
+
+## 🐛 Bug Fixes
+
+* Fix the rust crypto import in esm environments. ([#4445](https://github.com/matrix-org/matrix-js-sdk/pull/4445)). Contributed by @saul-jb.
+* Fix MatrixRTC sender key wrapping ([#4441](https://github.com/matrix-org/matrix-js-sdk/pull/4441)). Contributed by @hughns.
+
+
+Changes in [34.8.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.8.0) (2024-10-15)
+==================================================================================================
+This release removes insecure functionality, resolving CVE-2024-47080 / GHSA-4jf8-g8wp-cx7c.
+
+Changes in [34.7.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.7.0) (2024-10-08)
+==================================================================================================
+## 🦖 Deprecations
+
+* RTCSession cleanup: deprecate getKeysForParticipant() and getEncryption(); add emitEncryptionKeys() ([#4427](https://github.com/matrix-org/matrix-js-sdk/pull/4427)). Contributed by @hughns.
+
+## ✨ Features
+
+* Bump matrix-rust-sdk to 9.1.0 ([#4435](https://github.com/matrix-org/matrix-js-sdk/pull/4435)). Contributed by @richvdh.
+* Rotate Matrix RTC media encryption key when a new member joins a call for Post Compromise Security ([#4422](https://github.com/matrix-org/matrix-js-sdk/pull/4422)). Contributed by @hughns.
+* Update media event content types to include captions ([#4403](https://github.com/matrix-org/matrix-js-sdk/pull/4403)). Contributed by @tulir.
+* Update OIDC registration types to match latest MSC2966 state ([#4432](https://github.com/matrix-org/matrix-js-sdk/pull/4432)). Contributed by @t3chguy.
+* Add `CryptoApi.pinCurrentUserIdentity` and `UserIdentity.needsUserApproval` ([#4415](https://github.com/matrix-org/matrix-js-sdk/pull/4415)). Contributed by @richvdh.
+
+
+Changes in [34.6.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.6.0) (2024-09-24)
+==================================================================================================
+## 🦖 Deprecations
+
+* Element-R: Mark unsupported MatrixClient methods as deprecated ([#4389](https://github.com/matrix-org/matrix-js-sdk/pull/4389)). Contributed by @richvdh.
+
+## ✨ Features
+
+* Add crypto mode setting for invisible crypto, and apply it to decrypting events ([#4407](https://github.com/matrix-org/matrix-js-sdk/pull/4407)). Contributed by @uhoreg.
+* Don't share full key history for RTC per-participant encryption ([#4406](https://github.com/matrix-org/matrix-js-sdk/pull/4406)). Contributed by @hughns.
+* Export membership types ([#4405](https://github.com/matrix-org/matrix-js-sdk/pull/4405)). Contributed by @Johennes.
+* Fix sending redacts in embedded (widget) mode ([#4398](https://github.com/matrix-org/matrix-js-sdk/pull/4398)). Contributed by @toger5.
+* Expose the event ID of a call membership ([#4395](https://github.com/matrix-org/matrix-js-sdk/pull/4395)). Contributed by @robintown.
+* MSC4133 - Extended profiles ([#4391](https://github.com/matrix-org/matrix-js-sdk/pull/4391)). Contributed by @Half-Shot.
+
+
+Changes in [34.5.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.5.0) (2024-09-10)
+==================================================================================================
+## 🦖 Deprecations
+
+* Deprecate unused callback hooks `CryptoCallbacks.onSecretRequested` and `CryptoCallbacks.getDehydrationKey` ([#4376](https://github.com/matrix-org/matrix-js-sdk/pull/4376)). Contributed by @richvdh.
+
+
+Changes in [34.4.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.4.0) (2024-08-27)
+==================================================================================================
+## ✨ Features
+
+* Use non-legacy calls if any are found ([#4337](https://github.com/matrix-org/matrix-js-sdk/pull/4337)). Contributed by @AndrewFerr.
+
+## 🐛 Bug Fixes
+
+* Retry event decryption failures on first failure ([#4346](https://github.com/matrix-org/matrix-js-sdk/pull/4346)). Contributed by @hughns.
+* Ensure "type" = "module" ES declaration in pre-release.sh ([#4350](https://github.com/matrix-org/matrix-js-sdk/pull/4350)). Contributed by @BLCK-B.
+* Handle MatrixRTC encryption keys arriving out of order ([#4345](https://github.com/matrix-org/matrix-js-sdk/pull/4345)). Contributed by @hughns.
+* Resend MatrixRTC encryption keys if a membership has changed ([#4343](https://github.com/matrix-org/matrix-js-sdk/pull/4343)). Contributed by @hughns.
+
+
+Changes in [34.3.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.3.1) (2024-08-20)
+==================================================================================================
+# Security
+- Fixes for [CVE-2024-42369](https://nvd.nist.gov/vuln/detail/CVE-2024-42369) / [GHSA-vhr5-g3pm-49fm](https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-vhr5-g3pm-49fm).
+
+Changes in [34.3.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.3.0) (2024-08-13)
+==================================================================================================
+## ✨ Features
+
+* Bump matrix-widget-api ([#4336](https://github.com/matrix-org/matrix-js-sdk/pull/4336)). Contributed by @AndrewFerr.
+* Also check for MSC3757 for session state keys ([#4334](https://github.com/matrix-org/matrix-js-sdk/pull/4334)). Contributed by @AndrewFerr.
+* Support Futures via widgets ([#4311](https://github.com/matrix-org/matrix-js-sdk/pull/4311)). Contributed by @AndrewFerr.
+* Support MSC4140: Delayed events (Futures) ([#4294](https://github.com/matrix-org/matrix-js-sdk/pull/4294)). Contributed by @AndrewFerr.
+* Handle late-arriving `m.room_key.withheld` messages ([#4310](https://github.com/matrix-org/matrix-js-sdk/pull/4310)). Contributed by @richvdh.
+* Be specific about what is considered a MSC4143 call member event. ([#4328](https://github.com/matrix-org/matrix-js-sdk/pull/4328)). Contributed by @toger5.
+* Add index.ts for matrixrtc module ([#4314](https://github.com/matrix-org/matrix-js-sdk/pull/4314)). Contributed by @toger5.
+
+## 🐛 Bug Fixes
+
+* Fix hashed ID server lookups with no Olm ([#4333](https://github.com/matrix-org/matrix-js-sdk/pull/4333)). Contributed by @dbkr.
+
+
+Changes in [34.2.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.2.0) (2024-07-30)
+==================================================================================================
+## 🐛 Bug Fixes
+
+* Element-R: detect "withheld key" UTD errors, and mark them as such ([#4302](https://github.com/matrix-org/matrix-js-sdk/pull/4302)). Contributed by @richvdh.
+
+
+Changes in [34.1.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.1.0) (2024-07-16)
+==================================================================================================
+## ✨ Features
+
+* Add ability to choose how many timeline events to sync when peeking ([#4300](https://github.com/matrix-org/matrix-js-sdk/pull/4300)). Contributed by @jgarplind.
+* Remove redundant hack for using the old pickle key in rust crypto ([#4282](https://github.com/matrix-org/matrix-js-sdk/pull/4282)). Contributed by @richvdh.
+* Add fetching the well known in embedded mode. ([#4259](https://github.com/matrix-org/matrix-js-sdk/pull/4259)). Contributed by @toger5.
+
+## 🐛 Bug Fixes
+
+* Fix room state being updated with old (now overwritten) state and emitting for those updates. ([#4242](https://github.com/matrix-org/matrix-js-sdk/pull/4242)). Contributed by @toger5.
+* Fix incorrect "Olm is not available" errors ([#4301](https://github.com/matrix-org/matrix-js-sdk/pull/4301)). Contributed by @richvdh.
+* Fix build for example script ([#4286](https://github.com/matrix-org/matrix-js-sdk/pull/4286)). Contributed by @richvdh.
+* Declare matrix-js-sdk as an ES module ([#4285](https://github.com/matrix-org/matrix-js-sdk/pull/4285)). Contributed by @richvdh.
+
+
 Changes in [34.0.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.0.0) (2024-07-08)
 ==================================================================================================
 ## 🚨 BREAKING CHANGES

README.md

@@ -39,7 +39,7 @@ client.publicRooms(function (err, data) {
 ```
 
 See below for how to include libolm to enable end-to-end-encryption. Please check
-[the Node.js terminal app](examples/node) for a more complex example.
+[the Node.js terminal app](examples/node/README.md) for a more complex example.
 
 To start the client:
 
@@ -191,6 +191,7 @@ As well as the primary entry point (`matrix-js-sdk`), there are several other en
 | `matrix-js-sdk/lib/crypto-api` | Cryptography functionality.                                                                         |
 | `matrix-js-sdk/lib/types`      | Low-level types, reflecting data structures defined in the Matrix spec.                             |
 | `matrix-js-sdk/lib/testing`    | Test utilities, which may be useful in test code but should not be used in production code.         |
+| `matrix-js-sdk/lib/utils/*.js` | A set of modules exporting standalone functions (and their types).                                  |
 
 ## Examples
 

babel.config.cjs

@@ -14,7 +14,16 @@ module.exports = {
                 modules: process.env.NODE_ENV === "test" ? "commonjs" : false,
             },
         ],
-        "@babel/preset-typescript",
+        [
+            "@babel/preset-typescript",
+            {
+                // When using the transpiled javascript in `lib`, Node.js requires `.js` extensions on any `import`
+                // specifiers. However, Jest uses the TS source (via babel) and fails to resolve the `.js` names.
+                // To resolve this,we use the `.ts` names in the source, and rewrite the `import` specifiers to use
+                // `.js` during transpilation, *except* when we are targetting Jest.
+                rewriteImportExtensions: process.env.NODE_ENV !== "test",
+            },
+        ],
     ],
     plugins: [
         "@babel/plugin-transform-numeric-separator",
@@ -22,5 +31,22 @@ module.exports = {
         "@babel/plugin-transform-object-rest-spread",
         "@babel/plugin-syntax-dynamic-import",
         "@babel/plugin-transform-runtime",
+        [
+            "search-and-replace",
+            {
+                // Since rewriteImportExtensions doesn't work on dynamic imports (yet), we need to manually replace
+                // the dynamic rust-crypto import.
+                // (see https://github.com/babel/babel/issues/16750)
+                rules:
+                    process.env.NODE_ENV !== "test"
+                        ? [
+                              {
+                                  search: "./rust-crypto/index.ts",
+                                  replace: "./rust-crypto/index.js",
+                              },
+                          ]
+                        : [],
+            },
+        ],
     ],
 };

examples/node/app.js

@@ -1,9 +1,15 @@
+import clc from "cli-color";
+import fs from "fs";
+import readline from "readline";
+import sdk, { ClientEvent, EventType, MsgType, RoomEvent } from "matrix-js-sdk";
+import { KnownMembership } from "matrix-js-sdk/lib/@types/membership.js";
+
+var myHomeServer = "http://localhost:8008";
 var myUserId = "@example:localhost";
 var myAccessToken = "QGV4YW1wbGU6bG9jYWxob3N0.qPEvLuYfNBjxikiCjP";
-var sdk = require("matrix-js-sdk");
-var clc = require("cli-color");
+
 var matrixClient = sdk.createClient({
-    baseUrl: "http://localhost:8008",
+    baseUrl: myHomeServer,
     accessToken: myAccessToken,
     userId: myUserId,
 });
@@ -15,7 +21,6 @@ var numMessagesToShow = 20;
 
 // Reading from stdin
 var CLEAR_CONSOLE = "\x1B[2J";
-var readline = require("readline");
 var rl = readline.createInterface({
     input: process.stdin,
     output: process.stdout,
@@ -97,7 +102,7 @@ rl.on("line", function (line) {
                 })
                 .then(function (url) {
                     var content = {
-                        msgtype: "m.file",
+                        msgtype: MsgType.File,
                         body: filename,
                         url: JSON.parse(url).content_uri,
                     };
@@ -138,7 +143,7 @@ rl.on("line", function (line) {
 // ==== END User input
 
 // show the room list after syncing.
-matrixClient.on("sync", function (state, prevState, data) {
+matrixClient.on(ClientEvent.Sync, function (state, prevState, data) {
     switch (state) {
         case "PREPARED":
             setRoomList();
@@ -149,7 +154,7 @@ matrixClient.on("sync", function (state, prevState, data) {
     }
 });
 
-matrixClient.on("Room", function () {
+matrixClient.on(ClientEvent.Room, function () {
     setRoomList();
     if (!viewingRoom) {
         printRoomList();
@@ -158,7 +163,7 @@ matrixClient.on("Room", function () {
 });
 
 // print incoming messages.
-matrixClient.on("Room.timeline", function (event, room, toStartOfTimeline) {
+matrixClient.on(RoomEvent.Timeline, function (event, room, toStartOfTimeline) {
     if (toStartOfTimeline) {
         return; // don't print paginated results
     }
@@ -305,7 +310,7 @@ function printRoomInfo(room) {
     print(eTypeHeader + sendHeader + contentHeader);
     print(new Array(100).join("-"));
     eventMap.keys().forEach(function (eventType) {
-        if (eventType === "m.room.member") {
+        if (eventType === EventType.RoomMember) {
             return;
         } // use /members instead.
         var eventEventMap = eventMap.get(eventType);
@@ -343,7 +348,7 @@ function printLine(event) {
         name = name.slice(0, maxNameWidth - 1) + "\u2026";
     }
 
-    if (event.getType() === "m.room.message") {
+    if (event.getType() === EventType.RoomMessage) {
         body = event.getContent().body;
     } else if (event.isState()) {
         var stateName = event.getType();
@@ -394,4 +399,4 @@ function fixWidth(str, len) {
     return str;
 }
 
-matrixClient.startClient(numMessagesToShow); // messages for each room.
+matrixClient.startClient({ initialSyncLimit: numMessagesToShow });

examples/node/package.json

@@ -5,8 +5,9 @@
     "main": "app.js",
     "author": "",
     "license": "Apache 2.0",
+    "type": "module",
     "dependencies": {
         "cli-color": "^1.0.0",
-        "matrix-js-sdk": "^32.0.0"
+        "matrix-js-sdk": "^34.5.0"
     }
 }

jest.config.ts

@@ -39,7 +39,7 @@ if (env["GITHUB_ACTIONS"] !== undefined) {
 
     // if we're running against the develop branch, also enable the slow test reporter
     if (env["GITHUB_REF"] == "refs/heads/develop") {
-        reporters.push("<rootDir>/spec/slowReporter.js");
+        reporters.push("<rootDir>/spec/slowReporter.cjs");
     }
     config.reporters = reporters;
 }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "matrix-js-sdk",
-    "version": "34.1.0-rc.3",
+    "version": "34.10.0",
     "description": "Matrix Client-Server SDK for Javascript",
     "engines": {
         "node": ">=20.0.0"
@@ -31,13 +31,10 @@
     "keywords": [
         "matrix-org"
     ],
+    "type": "module",
     "main": "./lib/index.js",
     "browser": "./lib/browser-index.js",
-    "matrix_src_main": "./src/index.ts",
-    "matrix_src_browser": "./src/browser-index.ts",
-    "matrix_lib_main": "./lib/index.js",
-    "matrix_lib_browser": "./lib/browser-index.js",
-    "matrix_lib_typings": "./lib/index.d.ts",
+    "typings": "./lib/index.d.ts",
     "author": "matrix.org",
     "license": "Apache-2.0",
     "files": [
@@ -53,7 +50,7 @@
     ],
     "dependencies": {
         "@babel/runtime": "^7.12.5",
-        "@matrix-org/matrix-sdk-crypto-wasm": "^6.0.0",
+        "@matrix-org/matrix-sdk-crypto-wasm": "^9.0.0",
         "@matrix-org/olm": "3.2.15",
         "another-json": "^0.2.0",
         "bs58": "^6.0.0",
@@ -61,7 +58,7 @@
         "jwt-decode": "^4.0.0",
         "loglevel": "^1.7.1",
         "matrix-events-sdk": "0.0.1",
-        "matrix-widget-api": "^1.6.0",
+        "matrix-widget-api": "^1.8.2",
         "oidc-client-ts": "^3.0.1",
         "p-retry": "4",
         "sdp-transform": "^2.14.1",
@@ -84,6 +81,7 @@
         "@babel/preset-typescript": "^7.12.7",
         "@casualbot/jest-sonar-reporter": "2.2.7",
         "@peculiar/webcrypto": "^1.4.5",
+        "@stylistic/eslint-plugin": "^2.9.0",
         "@types/bs58": "^4.0.1",
         "@types/content-type": "^1.1.5",
         "@types/debug": "^4.1.7",
@@ -91,22 +89,24 @@
         "@types/node": "18",
         "@types/sdp-transform": "^2.4.5",
         "@types/uuid": "10",
-        "@typescript-eslint/eslint-plugin": "^7.0.0",
-        "@typescript-eslint/parser": "^7.0.0",
+        "@typescript-eslint/eslint-plugin": "^8.0.0",
+        "@typescript-eslint/parser": "^8.0.0",
         "babel-jest": "^29.0.0",
+        "babel-plugin-search-and-replace": "^1.1.1",
         "debug": "^4.3.4",
-        "eslint": "8.57.0",
+        "eslint": "8.57.1",
         "eslint-config-google": "^0.14.0",
         "eslint-config-prettier": "^9.0.0",
         "eslint-import-resolver-typescript": "^3.5.1",
         "eslint-plugin-import": "^2.26.0",
         "eslint-plugin-jest": "^28.0.0",
-        "eslint-plugin-jsdoc": "^48.0.0",
-        "eslint-plugin-matrix-org": "^1.0.0",
+        "eslint-plugin-jsdoc": "^50.0.0",
+        "eslint-plugin-matrix-org": "^2.0.1",
+        "eslint-plugin-n": "^14.0.0",
         "eslint-plugin-tsdoc": "^0.3.0",
-        "eslint-plugin-unicorn": "^54.0.0",
+        "eslint-plugin-unicorn": "^56.0.0",
         "fake-indexeddb": "^5.0.2",
-        "fetch-mock": "10.0.7",
+        "fetch-mock": "11.1.5",
         "fetch-mock-jest": "^1.5.1",
         "husky": "^9.0.0",
         "jest": "^29.0.0",
@@ -117,19 +117,18 @@
         "lint-staged": "^15.0.2",
         "matrix-mock-request": "^2.5.0",
         "node-fetch": "^2.7.0",
-        "prettier": "3.3.2",
-        "rimraf": "^5.0.0",
+        "prettier": "3.3.3",
+        "rimraf": "^6.0.0",
         "ts-node": "^10.9.2",
         "typedoc": "^0.26.0",
         "typedoc-plugin-coverage": "^3.0.0",
         "typedoc-plugin-mdn-links": "^3.0.3",
         "typedoc-plugin-missing-exports": "^3.0.0",
-        "typescript": "^5.3.3"
+        "typescript": "^5.4.2"
     },
     "@casualbot/jest-sonar-reporter": {
         "outputDirectory": "coverage",
         "outputName": "jest-sonar-report.xml",
         "relativePaths": true
-    },
-    "typings": "./lib/index.d.ts"
+    }
 }

scripts/switch_package_to_release.cjs

@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+
+const fsProm = require("fs/promises");
+
+const PKGJSON = "package.json";
+
+async function main() {
+    const pkgJson = JSON.parse(await fsProm.readFile(PKGJSON, "utf8"));
+    for (const field of ["main", "typings"]) {
+        if (pkgJson["matrix_lib_" + field] !== undefined) {
+            pkgJson[field] = pkgJson["matrix_lib_" + field];
+        }
+    }
+
+    await fsProm.writeFile(PKGJSON, JSON.stringify(pkgJson, null, 2));
+}
+
+main();

scripts/switch_package_to_release.js

@@ -1,22 +0,0 @@
-#!/usr/bin/env node
-
-const fsProm = require("fs/promises");
-
-const PKGJSON = "package.json";
-
-async function main() {
-    const pkgJson = JSON.parse(await fsProm.readFile(PKGJSON, "utf8"));
-    for (const field of ["main", "typings"]) {
-        if (pkgJson["matrix_lib_" + field] !== undefined) {
-            pkgJson[field] = pkgJson["matrix_lib_" + field];
-        }
-    }
-
-    // matrix-js-sdk is built into ECMAScript modules. Make sure we declare it as such.
-    // See https://nodejs.org/api/packages.html#type.
-    pkgJson["type"] = "module";
-
-    await fsProm.writeFile(PKGJSON, JSON.stringify(pkgJson, null, 2));
-}
-
-main();

scripts/switch_package_to_release.js

@@ -0,0 +1 @@
+switch_package_to_release.cjs

spec/integ/crypto/cross-signing.spec.ts

@@ -21,7 +21,7 @@ import { IDBFactory } from "fake-indexeddb";
 import { CRYPTO_BACKENDS, InitCrypto, syncPromise } from "../../test-utils/test-utils";
 import { AuthDict, createClient, CryptoEvent, MatrixClient } from "../../../src";
 import { mockInitialApiRequests, mockSetupCrossSigningRequests } from "../../test-utils/mockEndpoints";
-import { encryptAES } from "../../../src/crypto/aes";
+import encryptAESSecretStorageItem from "../../../src/utils/encryptAESSecretStorageItem.ts";
 import { CryptoCallbacks, CrossSigningKey } from "../../../src/crypto-api";
 import { SECRET_STORAGE_ALGORITHM_V1_AES } from "../../../src/secret-storage";
 import { ISyncResponder, SyncResponder } from "../../test-utils/SyncResponder";
@@ -169,17 +169,17 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("cross-signing (%s)", (backend: s
             mockInitialApiRequests(aliceClient.getHomeserverUrl());
 
             // Encrypt the private keys and return them in the /sync response as if they are in Secret Storage
-            const masterKey = await encryptAES(
+            const masterKey = await encryptAESSecretStorageItem(
                 MASTER_CROSS_SIGNING_PRIVATE_KEY_BASE64,
                 encryptionKey,
                 "m.cross_signing.master",
             );
-            const selfSigningKey = await encryptAES(
+            const selfSigningKey = await encryptAESSecretStorageItem(
                 SELF_CROSS_SIGNING_PRIVATE_KEY_BASE64,
                 encryptionKey,
                 "m.cross_signing.self_signing",
             );
-            const userSigningKey = await encryptAES(
+            const userSigningKey = await encryptAESSecretStorageItem(
                 USER_CROSS_SIGNING_PRIVATE_KEY_BASE64,
                 encryptionKey,
                 "m.cross_signing.user_signing",

spec/integ/crypto/crypto.spec.ts

@@ -83,9 +83,12 @@ import {
     CrossSigningKey,
     CryptoCallbacks,
     DecryptionFailureCode,
+    DeviceIsolationMode,
     EventShieldColour,
     EventShieldReason,
     KeyBackupInfo,
+    AllDevicesIsolationMode,
+    OnlySignedDevicesIsolationMode,
 } from "../../../src/crypto-api";
 import { E2EKeyResponder } from "../../test-utils/E2EKeyResponder";
 import { IKeyBackup } from "../../../src/crypto/backup";
@@ -746,6 +749,95 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
             );
         });
 
+        describe("IsolationMode decryption tests", () => {
+            newBackendOnly(
+                "OnlySigned mode - fails with an error when cross-signed sender is required but sender is not cross-signed",
+                async () => {
+                    const decryptedEvent = await setUpTestAndDecrypt(new OnlySignedDevicesIsolationMode());
+
+                    // It will error as an unknown device because we haven't fetched
+                    // the sender's device keys.
+                    expect(decryptedEvent.isDecryptionFailure()).toBe(true);
+                    expect(decryptedEvent.decryptionFailureReason).toEqual(DecryptionFailureCode.UNKNOWN_SENDER_DEVICE);
+                },
+            );
+
+            newBackendOnly(
+                "NoIsolation mode - Decrypts with warning when cross-signed sender is required but sender is not cross-signed",
+                async () => {
+                    const decryptedEvent = await setUpTestAndDecrypt(new AllDevicesIsolationMode(false));
+
+                    expect(decryptedEvent.isDecryptionFailure()).toBe(false);
+
+                    expect(await aliceClient.getCrypto()!.getEncryptionInfoForEvent(decryptedEvent)).toEqual({
+                        shieldColour: EventShieldColour.RED,
+                        shieldReason: EventShieldReason.UNKNOWN_DEVICE,
+                    });
+                },
+            );
+
+            async function setUpTestAndDecrypt(isolationMode: DeviceIsolationMode): Promise<MatrixEvent> {
+                // This tests that a message will not be decrypted if the sender
+                // is not sufficiently trusted according to the selected crypto
+                // mode.
+                //
+                // This test is almost the same as the "Alice receives a megolm
+                // message" test, with the main difference that we set the
+                // crypto mode.
+                expectAliceKeyQuery({ device_keys: { "@alice:localhost": {} }, failures: {} });
+
+                // Start by using Invisible crypto mode
+                aliceClient.getCrypto()!.setDeviceIsolationMode(isolationMode);
+
+                await startClientAndAwaitFirstSync();
+
+                const p2pSession = await createOlmSession(testOlmAccount, keyReceiver);
+                const groupSession = new Olm.OutboundGroupSession();
+                groupSession.create();
+
+                // make the room_key event
+                const roomKeyEncrypted = encryptGroupSessionKey({
+                    recipient: aliceClient.getUserId()!,
+                    recipientCurve25519Key: keyReceiver.getDeviceKey(),
+                    recipientEd25519Key: keyReceiver.getSigningKey(),
+                    olmAccount: testOlmAccount,
+                    p2pSession: p2pSession,
+                    groupSession: groupSession,
+                    room_id: ROOM_ID,
+                });
+
+                // encrypt a message with the group session
+                const messageEncrypted = encryptMegolmEvent({
+                    senderKey: testSenderKey,
+                    groupSession: groupSession,
+                    room_id: ROOM_ID,
+                });
+
+                // Alice gets both the events in a single sync
+                const syncResponse = {
+                    next_batch: 1,
+                    to_device: {
+                        events: [roomKeyEncrypted],
+                    },
+                    rooms: {
+                        join: {
+                            [ROOM_ID]: { timeline: { events: [messageEncrypted] } },
+                        },
+                    },
+                };
+
+                syncResponder.sendOrQueueSyncResponse(syncResponse);
+                await syncPromise(aliceClient);
+
+                const room = aliceClient.getRoom(ROOM_ID)!;
+                const event = room.getLiveTimeline().getEvents()[0];
+                expect(event.isEncrypted()).toBe(true);
+
+                // it probably won't be decrypted yet, because it takes a while to process the olm keys
+                return await testUtils.awaitDecryption(event);
+            }
+        });
+
         it("Decryption fails with Unable to decrypt for other errors", async () => {
             expectAliceKeyQuery({ device_keys: { "@alice:localhost": {} }, failures: {} });
             await startClientAndAwaitFirstSync();
@@ -2333,8 +2425,84 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
     });
 
     describe("m.room_key.withheld handling", () => {
-        // TODO: there are a bunch more tests for this sort of thing in spec/unit/crypto/algorithms/megolm.spec.ts.
-        //   They should be converted to integ tests and moved.
+        describe.each([
+            ["m.blacklisted", "The sender has blocked you.", DecryptionFailureCode.MEGOLM_KEY_WITHHELD],
+            [
+                "m.unverified",
+                "The sender has disabled encrypting to unverified devices.",
+                DecryptionFailureCode.MEGOLM_KEY_WITHHELD_FOR_UNVERIFIED_DEVICE,
+            ],
+        ])(
+            "Decryption fails with withheld error if a withheld notice with code '%s' is received",
+            (withheldCode, expectedMessage, expectedErrorCode) => {
+                it.each(["before", "after"])("%s the event", async (when) => {
+                    expectAliceKeyQuery({ device_keys: { "@alice:localhost": {} }, failures: {} });
+                    await startClientAndAwaitFirstSync();
+
+                    // A promise which resolves, with the MatrixEvent which wraps the event, once the decryption fails.
+                    let awaitDecryption = emitPromise(aliceClient, MatrixEventEvent.Decrypted);
+
+                    // Send Alice an encrypted room event which looks like it was encrypted with a megolm session
+                    async function sendEncryptedEvent() {
+                        const event = {
+                            ...testData.ENCRYPTED_EVENT,
+                            origin_server_ts: Date.now(),
+                        };
+                        const syncResponse = {
+                            next_batch: 1,
+                            rooms: { join: { [ROOM_ID]: { timeline: { events: [event] } } } },
+                        };
+
+                        syncResponder.sendOrQueueSyncResponse(syncResponse);
+                        await syncPromise(aliceClient);
+                    }
+
+                    // Send Alice a withheld notice
+                    async function sendWithheldMessage() {
+                        const withheldMessage = {
+                            type: "m.room_key.withheld",
+                            sender: "@bob:example.com",
+                            content: {
+                                algorithm: "m.megolm.v1.aes-sha2",
+                                room_id: ROOM_ID,
+                                sender_key: testData.ENCRYPTED_EVENT.content!.sender_key,
+                                session_id: testData.ENCRYPTED_EVENT.content!.session_id,
+                                code: withheldCode,
+                                reason: "zzz",
+                            },
+                        };
+
+                        syncResponder.sendOrQueueSyncResponse({
+                            next_batch: 1,
+                            to_device: { events: [withheldMessage] },
+                        });
+                        await syncPromise(aliceClient);
+                    }
+
+                    if (when === "before") {
+                        await sendWithheldMessage();
+                        await sendEncryptedEvent();
+                    } else {
+                        await sendEncryptedEvent();
+                        // Make sure that the first attempt to decrypt has happened before the withheld arrives
+                        await awaitDecryption;
+                        awaitDecryption = emitPromise(aliceClient, MatrixEventEvent.Decrypted);
+                        await sendWithheldMessage();
+                    }
+
+                    const ev = await awaitDecryption;
+                    expect(ev.getContent()).toEqual({
+                        body: `** Unable to decrypt: DecryptionError: ${expectedMessage} **`,
+                        msgtype: "m.bad.encrypted",
+                    });
+
+                    expect(ev.decryptionFailureReason).toEqual(expectedErrorCode);
+
+                    // `isEncryptedDisabledForUnverifiedDevices` should be true for `m.unverified` and false for other errors.
+                    expect(ev.isEncryptedDisabledForUnverifiedDevices).toEqual(withheldCode === "m.unverified");
+                });
+            },
+        );
 
         oldBackendOnly("does not block decryption on an 'm.unavailable' report", async function () {
             // there may be a key downloads for alice
@@ -3103,15 +3271,13 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
         });
     });
 
-    describe("Check if the cross signing keys are available for a user", () => {
+    describe("User identity", () => {
+        let keyResponder: E2EKeyResponder;
         beforeEach(async () => {
-            // anything that we don't have a specific matcher for silently returns a 404
-            fetchMock.catch(404);
-
-            const keyResponder = new E2EKeyResponder(aliceClient.getHomeserverUrl());
+            keyResponder = new E2EKeyResponder(aliceClient.getHomeserverUrl());
             keyResponder.addCrossSigningData(SIGNED_CROSS_SIGNING_KEYS_DATA);
             keyResponder.addDeviceKeys(SIGNED_TEST_DEVICE_DATA);
-            keyResponder.addKeyReceiver(BOB_TEST_USER_ID, keyReceiver);
+            keyResponder.addKeyReceiver(TEST_USER_ID, keyReceiver);
             keyResponder.addCrossSigningData(BOB_SIGNED_CROSS_SIGNING_KEYS_DATA);
             keyResponder.addDeviceKeys(BOB_SIGNED_TEST_DEVICE_DATA);
 
@@ -3127,6 +3293,12 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
                 .getCrypto()!
                 .userHasCrossSigningKeys(BOB_TEST_USER_ID, true);
             expect(hasCrossSigningKeysForUser).toBe(true);
+
+            const verificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(BOB_TEST_USER_ID);
+            expect(verificationStatus.isVerified()).toBe(false);
+            expect(verificationStatus.isCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.wasCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.needsUserApproval).toBe(false);
         });
 
         it("Cross signing keys are available for a tracked user", async () => {
@@ -3137,11 +3309,60 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
             // Alice is the local user and should be tracked !
             const hasCrossSigningKeysForUser = await aliceClient.getCrypto()!.userHasCrossSigningKeys(TEST_USER_ID);
             expect(hasCrossSigningKeysForUser).toBe(true);
+
+            const verificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(BOB_TEST_USER_ID);
+            expect(verificationStatus.isVerified()).toBe(false);
+            expect(verificationStatus.isCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.wasCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.needsUserApproval).toBe(false);
         });
 
         it("Cross signing keys are not available for an unknown user", async () => {
             const hasCrossSigningKeysForUser = await aliceClient.getCrypto()!.userHasCrossSigningKeys("@unknown:xyz");
             expect(hasCrossSigningKeysForUser).toBe(false);
+
+            const verificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(BOB_TEST_USER_ID);
+            expect(verificationStatus.isVerified()).toBe(false);
+            expect(verificationStatus.isCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.wasCrossSigningVerified()).toBe(false);
+            expect(verificationStatus.needsUserApproval).toBe(false);
+        });
+
+        newBackendOnly("An unverified user changes identity", async () => {
+            // We have to be tracking Bob's keys, which means we need to share a room with him
+            syncResponder.sendOrQueueSyncResponse({
+                ...getSyncResponse([BOB_TEST_USER_ID]),
+                device_lists: { changed: [BOB_TEST_USER_ID] },
+            });
+            await syncPromise(aliceClient);
+
+            const hasCrossSigningKeysForUser = await aliceClient.getCrypto()!.userHasCrossSigningKeys(BOB_TEST_USER_ID);
+            expect(hasCrossSigningKeysForUser).toBe(true);
+
+            // Bob changes his cross-signing keys
+            keyResponder.addCrossSigningData(testData.BOB_ALT_SIGNED_CROSS_SIGNING_KEYS_DATA);
+            syncResponder.sendOrQueueSyncResponse({
+                next_batch: "2",
+                device_lists: { changed: [BOB_TEST_USER_ID] },
+            });
+            await syncPromise(aliceClient);
+
+            await aliceClient.getCrypto()!.userHasCrossSigningKeys(BOB_TEST_USER_ID, true);
+
+            {
+                const verificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(BOB_TEST_USER_ID);
+                expect(verificationStatus.isVerified()).toBe(false);
+                expect(verificationStatus.isCrossSigningVerified()).toBe(false);
+                expect(verificationStatus.wasCrossSigningVerified()).toBe(false);
+                expect(verificationStatus.needsUserApproval).toBe(true);
+            }
+
+            // Pinning the new identity should clear the needsUserApproval flag.
+            await aliceClient.getCrypto()!.pinCurrentUserIdentity(BOB_TEST_USER_ID);
+            {
+                const verificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(BOB_TEST_USER_ID);
+                expect(verificationStatus.needsUserApproval).toBe(false);
+            }
         });
     });
 
@@ -3278,7 +3499,7 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
             return client;
         }
 
-        function mkEncryptionEvent(content: Object) {
+        function mkEncryptionEvent(content: object) {
             return mkEventCustom({
                 sender: persistentStoreClient.getSafeUserId(),
                 type: "m.room.encryption",
@@ -3291,7 +3512,7 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("crypto (%s)", (backend: string,
          *
          * @param stateEvents - Additional state events for the test room
          */
-        function getSyncResponseWithState(stateEvents: Array<Object>) {
+        function getSyncResponseWithState(stateEvents: Array<object>) {
             const roomResponse = {
                 state: {
                     events: [

spec/integ/crypto/to-device-messages.spec.ts

@@ -0,0 +1,152 @@
+/*
+Copyright 2024 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import fetchMock from "fetch-mock-jest";
+import "fake-indexeddb/auto";
+import { IDBFactory } from "fake-indexeddb";
+
+import { CRYPTO_BACKENDS, getSyncResponse, InitCrypto, syncPromise } from "../../test-utils/test-utils";
+import { createClient, MatrixClient } from "../../../src";
+import * as testData from "../../test-utils/test-data";
+import { E2EKeyResponder } from "../../test-utils/E2EKeyResponder";
+import { SyncResponder } from "../../test-utils/SyncResponder";
+import { E2EKeyReceiver } from "../../test-utils/E2EKeyReceiver";
+
+afterEach(() => {
+    // reset fake-indexeddb after each test, to make sure we don't leak connections
+    // cf https://github.com/dumbmatter/fakeIndexedDB#wipingresetting-the-indexeddb-for-a-fresh-state
+    // eslint-disable-next-line no-global-assign
+    indexedDB = new IDBFactory();
+});
+
+/**
+ * Integration tests for to-device messages functionality.
+ *
+ * These tests work by intercepting HTTP requests via fetch-mock rather than mocking out bits of the client, so as
+ * to provide the most effective integration tests possible.
+ */
+describe.each(Object.entries(CRYPTO_BACKENDS))("to-device-messages (%s)", (backend: string, initCrypto: InitCrypto) => {
+    let aliceClient: MatrixClient;
+
+    /** an object which intercepts `/keys/query` requests on the test homeserver */
+    let e2eKeyResponder: E2EKeyResponder;
+
+    beforeEach(
+        async () => {
+            // anything that we don't have a specific matcher for silently returns a 404
+            fetchMock.catch(404);
+            fetchMock.config.warnOnFallback = false;
+
+            const homeserverUrl = "https://server.com";
+            aliceClient = createClient({
+                baseUrl: homeserverUrl,
+                userId: testData.TEST_USER_ID,
+                accessToken: "akjgkrgjsalice",
+                deviceId: testData.TEST_DEVICE_ID,
+            });
+
+            e2eKeyResponder = new E2EKeyResponder(homeserverUrl);
+            new E2EKeyReceiver(homeserverUrl);
+            const syncResponder = new SyncResponder(homeserverUrl);
+
+            // add bob as known user
+            syncResponder.sendOrQueueSyncResponse(getSyncResponse([testData.BOB_TEST_USER_ID]));
+
+            // Silence warnings from the backup manager
+            fetchMock.getOnce(new URL("/_matrix/client/v3/room_keys/version", homeserverUrl).toString(), {
+                status: 404,
+                body: { errcode: "M_NOT_FOUND" },
+            });
+
+            fetchMock.get(new URL("/_matrix/client/v3/pushrules/", homeserverUrl).toString(), {});
+            fetchMock.get(new URL("/_matrix/client/versions/", homeserverUrl).toString(), {});
+            fetchMock.post(
+                new URL(
+                    `/_matrix/client/v3/user/${encodeURIComponent(testData.TEST_USER_ID)}/filter`,
+                    homeserverUrl,
+                ).toString(),
+                { filter_id: "fid" },
+            );
+
+            await initCrypto(aliceClient);
+        },
+        /* it can take a while to initialise the crypto library on the first pass, so bump up the timeout. */
+        10000,
+    );
+
+    afterEach(async () => {
+        aliceClient.stopClient();
+        fetchMock.mockReset();
+    });
+
+    describe("encryptToDeviceMessages", () => {
+        it("returns empty batch for device that is not known", async () => {
+            await aliceClient.startClient();
+
+            const toDeviceBatch = await aliceClient
+                .getCrypto()
+                ?.encryptToDeviceMessages(
+                    "m.test.event",
+                    [{ userId: testData.BOB_TEST_USER_ID, deviceId: testData.BOB_TEST_DEVICE_ID }],
+                    {
+                        some: "content",
+                    },
+                );
+
+            expect(toDeviceBatch).toBeDefined();
+            const { batch, eventType } = toDeviceBatch!;
+            expect(eventType).toBe("m.room.encrypted");
+            expect(batch.length).toBe(0);
+        });
+
+        it("returns encrypted batch for known device", async () => {
+            await aliceClient.startClient();
+            e2eKeyResponder.addDeviceKeys(testData.BOB_SIGNED_TEST_DEVICE_DATA);
+            fetchMock.post("express:/_matrix/client/v3/keys/claim", () => ({
+                one_time_keys: testData.BOB_ONE_TIME_KEYS,
+            }));
+            await syncPromise(aliceClient);
+
+            const toDeviceBatch = await aliceClient
+                .getCrypto()
+                ?.encryptToDeviceMessages(
+                    "m.test.event",
+                    [{ userId: testData.BOB_TEST_USER_ID, deviceId: testData.BOB_TEST_DEVICE_ID }],
+                    {
+                        some: "content",
+                    },
+                );
+
+            expect(toDeviceBatch?.batch.length).toBe(1);
+            expect(toDeviceBatch?.eventType).toBe("m.room.encrypted");
+            const { deviceId, payload, userId } = toDeviceBatch!.batch[0];
+            expect(deviceId).toBe(testData.BOB_TEST_DEVICE_ID);
+            expect(userId).toBe(testData.BOB_TEST_USER_ID);
+            expect(payload.algorithm).toBe("m.olm.v1.curve25519-aes-sha2");
+            expect(payload.sender_key).toEqual(expect.any(String));
+            expect(payload.ciphertext).toEqual(
+                expect.objectContaining({
+                    [testData.BOB_SIGNED_TEST_DEVICE_DATA.keys[`curve25519:${testData.BOB_TEST_DEVICE_ID}`]]: {
+                        body: expect.any(String),
+                        type: 0,
+                    },
+                }),
+            );
+
+            // for future: check that bob's device can decrypt the ciphertext?
+        });
+    });
+});

spec/integ/crypto/verification.spec.ts

@@ -95,6 +95,7 @@ beforeAll(async () => {
 
 // load the rust library. This can take a few seconds on a slow GH worker.
 beforeAll(async () => {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const RustSdkCryptoJs = await require("@matrix-org/matrix-sdk-crypto-wasm");
     await RustSdkCryptoJs.initAsync();
 }, 10000);

spec/integ/rendezvous/MSC4108SignInWithQR.spec.ts

@@ -267,8 +267,9 @@ describe("MSC4108SignInWithQR", () => {
 
         it("should abort if device doesn't come up by timeout", async () => {
             jest.spyOn(global, "setTimeout").mockImplementation((fn) => {
-                (<Function>fn)();
-                return -1;
+                fn();
+                // TODO: mock timers properly
+                return -1 as any;
             });
             jest.spyOn(Date, "now").mockImplementation(() => {
                 return 12345678 + mocked(setTimeout).mock.calls.length * 1000;
@@ -319,8 +320,9 @@ describe("MSC4108SignInWithQR", () => {
 
         it("should not send secrets if user cancels", async () => {
             jest.spyOn(global, "setTimeout").mockImplementation((fn) => {
-                (<Function>fn)();
-                return -1;
+                fn();
+                // TODO: mock timers properly
+                return -1 as any;
             });
 
             await Promise.all([ourLogin.negotiateProtocols(), opponentLogin.negotiateProtocols()]);

spec/olm-loader.ts

@@ -19,7 +19,7 @@ import { logger } from "../src/logger";
 
 // try to load the olm library.
 try {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     globalThis.Olm = require("@matrix-org/olm");
     logger.log("loaded libolm");
 } catch (e) {

spec/test-utils/AccountDataAccumulator.ts

@@ -27,7 +27,7 @@ export class AccountDataAccumulator {
      * Will be updated when fetchMock intercepts calls to PUT `/_matrix/client/v3/user/:userId/account_data/`.
      * Will be used by `sendSyncResponseWithUpdatedAccountData`
      */
-    public accountDataEvents: Map<String, any> = new Map();
+    public accountDataEvents: Map<string, any> = new Map();
 
     /**
      * Intercept requests to set a particular type of account data.
@@ -101,7 +101,7 @@ export class AccountDataAccumulator {
                     })),
                 },
             });
-        } catch (err) {
+        } catch {
             // Might fail with "Cannot queue more than one /sync response" if called too often.
             // It's ok if it fails here, the sync response is cumulative and will contain
             // the latest account data.

spec/test-utils/beacon.ts

@@ -101,9 +101,8 @@ export const makeGeolocationPosition = ({
 }: {
     timestamp?: number;
     coords: Partial<GeolocationCoordinates>;
-}): GeolocationPosition => ({
-    timestamp: timestamp ?? 1647256791840,
-    coords: {
+}): GeolocationPosition => {
+    const { toJSON, ...coordsJSON } = {
         accuracy: 1,
         latitude: 54.001927,
         longitude: -8.253491,
@@ -112,5 +111,16 @@ export const makeGeolocationPosition = ({
         heading: null,
         speed: null,
         ...coords,
-    },
-});
+    };
+    const posJSON = {
+        timestamp: timestamp ?? 1647256791840,
+        coords: {
+            toJSON: () => coordsJSON,
+            ...coordsJSON,
+        },
+    };
+    return {
+        toJSON: () => posJSON,
+        ...posJSON,
+    };
+};

spec/test-utils/test-data/generate-test-data.py

@@ -66,6 +66,7 @@ BOB_DATA = {
     "TEST_DEVICE_CURVE_PRIVATE_KEY_BYTES": b"Deadmuledeadmuledeadmuledeadmule",
 
     "MASTER_CROSS_SIGNING_PRIVATE_KEY_BYTES": b"Doyouspeakwhaaaaaaaaaaaaaaaaaale",
+    "ALT_MASTER_CROSS_SIGNING_PRIVATE_KEY_BYTES": b"DoYouSpeakWhaaaaaaaaaaaaaaaaaale",
     "USER_CROSS_SIGNING_PRIVATE_KEY_BYTES": b"Useruseruseruseruseruseruseruser",
     "SELF_CROSS_SIGNING_PRIVATE_KEY_BYTES": b"Selfselfselfselfselfselfselfself",
 
@@ -208,7 +209,7 @@ def build_test_data(user_data, prefix = "") -> str:
 
     backup_recovery_key = export_recovery_key(user_data["B64_BACKUP_DECRYPTION_KEY"])
 
-    return f"""\
+    result = f"""\
 export const {prefix}TEST_USER_ID = "{user_data['TEST_USER_ID']}";
 export const {prefix}TEST_DEVICE_ID = "{user_data['TEST_DEVICE_ID']}";
 export const {prefix}TEST_ROOM_ID = "{user_data['TEST_ROOM_ID']}";
@@ -239,7 +240,7 @@ export const {prefix}USER_CROSS_SIGNING_PRIVATE_KEY_BASE64 = "{b64_user_signing_
 
 /** Signed cross-signing keys data, also suitable for returning from a `/keys/query` call */
 export const {prefix}SIGNED_CROSS_SIGNING_KEYS_DATA: Partial<IDownloadKeyResult> = {
-        json.dumps(build_cross_signing_keys_data(user_data), indent=4)
+        json.dumps(build_cross_signing_keys_data(user_data, user_data["MASTER_CROSS_SIGNING_PRIVATE_KEY_BYTES"]), indent=4)
 };
 
 /** Signed OTKs, returned by `POST /keys/claim` */
@@ -279,12 +280,20 @@ export const {prefix}CLEAR_EVENT: Partial<IEvent> = {json.dumps(clear_event, ind
 export const {prefix}ENCRYPTED_EVENT: Partial<IEvent> = {json.dumps(encrypted_event, indent=4)};
 """
 
+    alt_master_key = user_data.get("ALT_MASTER_CROSS_SIGNING_PRIVATE_KEY_BYTES")
+    if alt_master_key is not None:
+        result += f"""
+/** A second set of signed cross-signing keys data, also suitable for returning from a `/keys/query` call */
+export const {prefix}ALT_SIGNED_CROSS_SIGNING_KEYS_DATA: Partial<IDownloadKeyResult> = {
+        json.dumps(build_cross_signing_keys_data(user_data, alt_master_key), indent=4)
+};
+"""
 
-def build_cross_signing_keys_data(user_data) -> dict:
+    return result
+
+def build_cross_signing_keys_data(user_data, master_key_bytes) -> dict:
     """Build the signed cross-signing-keys data for return from /keys/query"""
-    master_private_key = ed25519.Ed25519PrivateKey.from_private_bytes(
-        user_data["MASTER_CROSS_SIGNING_PRIVATE_KEY_BYTES"]
-    )
+    master_private_key = ed25519.Ed25519PrivateKey.from_private_bytes(master_key_bytes)
     b64_master_public_key = encode_base64(
         master_private_key.public_key().public_bytes(Encoding.Raw, PublicFormat.Raw)
     )

spec/test-utils/test-data/index.ts

@@ -449,3 +449,50 @@ export const BOB_ENCRYPTED_EVENT: Partial<IEvent> = {
     "origin_server_ts": 1507753886000
 };
 
+/** A second set of signed cross-signing keys data, also suitable for returning from a `/keys/query` call */
+export const BOB_ALT_SIGNED_CROSS_SIGNING_KEYS_DATA: Partial<IDownloadKeyResult> = {
+    "master_keys": {
+        "@bob:xyz": {
+            "keys": {
+                "ed25519:MCYxU7myKVkoQ55VYw/rXdg5cEupRfDdHmFPJUmR5+E": "MCYxU7myKVkoQ55VYw/rXdg5cEupRfDdHmFPJUmR5+E"
+            },
+            "user_id": "@bob:xyz",
+            "usage": [
+                "master"
+            ]
+        }
+    },
+    "self_signing_keys": {
+        "@bob:xyz": {
+            "keys": {
+                "ed25519:DaScI3WulBvDjf/d2vdyP5Cgjdypn1c/PSDX23MgN+A": "DaScI3WulBvDjf/d2vdyP5Cgjdypn1c/PSDX23MgN+A"
+            },
+            "user_id": "@bob:xyz",
+            "usage": [
+                "self_signing"
+            ],
+            "signatures": {
+                "@bob:xyz": {
+                    "ed25519:MCYxU7myKVkoQ55VYw/rXdg5cEupRfDdHmFPJUmR5+E": "eDZETBRUw9yW0WJnBZ7vxo12TW09Yb7/47qBPKZzPZzZEvs9M82dnAOtWUv00mcTdp2K9GpeFYDQJ6qLQgxaCA"
+                }
+            }
+        }
+    },
+    "user_signing_keys": {
+        "@bob:xyz": {
+            "keys": {
+                "ed25519:lXP89FP6zvFH9TSbU1S8uSdAsVawm1NmV6z+Rfr3lEw": "lXP89FP6zvFH9TSbU1S8uSdAsVawm1NmV6z+Rfr3lEw"
+            },
+            "user_id": "@bob:xyz",
+            "usage": [
+                "user_signing"
+            ],
+            "signatures": {
+                "@bob:xyz": {
+                    "ed25519:MCYxU7myKVkoQ55VYw/rXdg5cEupRfDdHmFPJUmR5+E": "Q1CbIXvp2BxBsu3F/eZ1ZpuR5rXIt0+FrrA/l6itskpW748xwMoIKxQRVQqs87kh7pCsWEoTy6FzIL8nV+P6BQ"
+                }
+            }
+        }
+    }
+};
+

spec/test-utils/test-utils.ts

@@ -127,7 +127,7 @@ export function mock<T>(constr: { new (...args: any[]): T }, name: string): T {
             if (constr.prototype[key] instanceof Function) {
                 result[key] = jest.fn();
             }
-        } catch (ex) {
+        } catch {
             // Direct access to some non-function fields of DOM prototypes may
             // cause exceptions.
             // Overwriting will not work either in that case.

spec/test-utils/webrtc.ts

@@ -147,10 +147,13 @@ export class MockRTCPeerConnection {
     }
 
     constructor() {
-        this.localDescription = {
+        const localDescriptionJSON = {
             sdp: DUMMY_SDP,
-            type: "offer",
-            toJSON: function () {},
+            type: "offer" as RTCSdpType,
+        };
+        this.localDescription = {
+            toJSON: () => localDescriptionJSON,
+            ...localDescriptionJSON,
         };
 
         this.readyToNegotiate = new Promise<void>((resolve) => {
@@ -265,7 +268,7 @@ export class MockRTCRtpTransceiver {
         this.peerConn.needsNegotiation = true;
     }
 
-    public setCodecPreferences = jest.fn<void, RTCRtpCodecCapability[]>();
+    public setCodecPreferences = jest.fn<void, RTCRtpCodec[]>();
 }
 
 export class MockMediaStreamTrack {

spec/unit/ToDeviceMessageQueue.spec.ts

@@ -9,7 +9,7 @@ import { defer } from "../../src/utils";
 
 describe("onResumedSync", () => {
     let batch: IndexedToDeviceBatch | null;
-    let shouldFailSendToDevice: Boolean;
+    let shouldFailSendToDevice: boolean;
     let onSendToDeviceFailure: () => void;
     let onSendToDeviceSuccess: () => void;
     let resumeSync: (newState: SyncState, oldState: SyncState) => void;

spec/unit/common-crypto/key-passphrase.spec.ts

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { keyFromAuthData } from "../../../src/common-crypto/key-passphrase.ts";
+
+describe("key-passphrase", () => {
+    describe("keyFromAuthData", () => {
+        it("should throw an error if salt or iterations are missing", async () => {
+            // missing salt
+            expect(() => keyFromAuthData({ private_key_iterations: 5 }, "passphrase")).toThrow(
+                "Salt and/or iterations not found: this backup cannot be restored with a passphrase",
+            );
+
+            // missing iterations
+            expect(() => keyFromAuthData({ private_key_salt: "salt" }, "passphrase")).toThrow(
+                "Salt and/or iterations not found: this backup cannot be restored with a passphrase",
+            );
+        });
+
+        it("should derive key from auth data", async () => {
+            const key = await keyFromAuthData({ private_key_salt: "salt", private_key_iterations: 5 }, "passphrase");
+            expect(key).toBeDefined();
+        });
+    });
+});

spec/unit/crypto-api/recovery-key.spec.ts

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { decodeRecoveryKey, encodeRecoveryKey } from "../../../src/crypto-api";
+
+describe("recovery key", () => {
+    describe("decodeRecoveryKey", () => {
+        it("should thrown an incorrect length error", () => {
+            const key = [0, 1];
+            const encodedKey = encodeRecoveryKey(key)!;
+
+            expect(() => decodeRecoveryKey(encodedKey)).toThrow("Incorrect length");
+        });
+
+        it("should thrown an incorrect parity", () => {
+            const key = Array.from({ length: 32 }, (_, i) => i);
+            let encodedKey = encodeRecoveryKey(key)!;
+            // Mutate the encoded key to have incorrect parity
+            encodedKey = encodedKey.replace("EsSz", "EsSZ");
+
+            expect(() => decodeRecoveryKey(encodedKey!)).toThrow("Incorrect parity");
+        });
+
+        it("should decode a valid encoded key", () => {
+            const key = Array.from({ length: 32 }, (_, i) => i);
+            const encodedKey = encodeRecoveryKey(key)!;
+
+            expect(decodeRecoveryKey(encodedKey)).toEqual(new Uint8Array(key));
+        });
+    });
+});

spec/unit/crypto.spec.ts

@@ -26,6 +26,7 @@ import { CryptoBackend } from "../../src/common-crypto/CryptoBackend";
 import { EventDecryptionResult } from "../../src/common-crypto/CryptoBackend";
 import * as testData from "../test-utils/test-data";
 import { KnownMembership } from "../../src/@types/membership";
+import type { DeviceInfoMap } from "../../src/crypto/DeviceList";
 
 const Olm = global.Olm;
 
@@ -607,7 +608,7 @@ describe("Crypto", function () {
             event.claimedEd25519Key = null;
             try {
                 await bobClient.crypto!.decryptEvent(event);
-            } catch (e) {
+            } catch {
                 // we expect this to fail because we don't have the
                 // decryption keys yet
             }
@@ -1245,6 +1246,117 @@ describe("Crypto", function () {
         });
     });
 
+    describe("encryptToDeviceMessages", () => {
+        let client: TestClient;
+        let ensureOlmSessionsForDevices: jest.SpiedFunction<typeof olmlib.ensureOlmSessionsForDevices>;
+        let encryptMessageForDevice: jest.SpiedFunction<typeof olmlib.encryptMessageForDevice>;
+        const payload = { hello: "world" };
+        let encryptedPayload: object;
+        let crypto: Crypto;
+
+        beforeEach(async () => {
+            ensureOlmSessionsForDevices = jest.spyOn(olmlib, "ensureOlmSessionsForDevices");
+            ensureOlmSessionsForDevices.mockResolvedValue(new Map());
+            encryptMessageForDevice = jest.spyOn(olmlib, "encryptMessageForDevice");
+            encryptMessageForDevice.mockImplementation(async (...[result, , , , , , payload]) => {
+                result.plaintext = { type: 0, body: JSON.stringify(payload) };
+            });
+
+            client = new TestClient("@alice:example.org", "aliceweb");
+
+            // running initCrypto should trigger a key upload
+            client.httpBackend.when("POST", "/keys/upload").respond(200, {});
+            await Promise.all([client.client.initCrypto(), client.httpBackend.flush("/keys/upload", 1)]);
+
+            encryptedPayload = {
+                algorithm: "m.olm.v1.curve25519-aes-sha2",
+                sender_key: client.client.crypto!.olmDevice.deviceCurve25519Key,
+                ciphertext: { plaintext: { type: 0, body: JSON.stringify(payload) } },
+            };
+
+            crypto = client.client.getCrypto() as Crypto;
+        });
+
+        afterEach(async () => {
+            ensureOlmSessionsForDevices.mockRestore();
+            encryptMessageForDevice.mockRestore();
+            await client.stop();
+        });
+
+        it("returns encrypted batch where devices known", async () => {
+            const deviceInfoMap: DeviceInfoMap = new Map([
+                [
+                    "@bob:example.org",
+                    new Map([
+                        ["bobweb", new DeviceInfo("bobweb")],
+                        ["bobmobile", new DeviceInfo("bobmobile")],
+                    ]),
+                ],
+                ["@carol:example.org", new Map([["caroldesktop", new DeviceInfo("caroldesktop")]])],
+            ]);
+            jest.spyOn(crypto.deviceList, "downloadKeys").mockResolvedValue(deviceInfoMap);
+            // const deviceInfoMap = await this.downloadKeys(Array.from(userIds), false);
+
+            const batch = await client.client.getCrypto()?.encryptToDeviceMessages(
+                "m.test.type",
+                [
+                    { userId: "@bob:example.org", deviceId: "bobweb" },
+                    { userId: "@bob:example.org", deviceId: "bobmobile" },
+                    { userId: "@carol:example.org", deviceId: "caroldesktop" },
+                    { userId: "@carol:example.org", deviceId: "carolmobile" }, // not known
+                ],
+                payload,
+            );
+            expect(crypto.deviceList.downloadKeys).toHaveBeenCalledWith(
+                ["@bob:example.org", "@carol:example.org"],
+                false,
+            );
+            expect(encryptMessageForDevice).toHaveBeenCalledTimes(3);
+            const expectedPayload = expect.objectContaining({
+                ...encryptedPayload,
+                "org.matrix.msgid": expect.any(String),
+                "sender_key": expect.any(String),
+            });
+            expect(batch?.eventType).toEqual("m.room.encrypted");
+            expect(batch?.batch.length).toEqual(3);
+            expect(batch).toEqual({
+                eventType: "m.room.encrypted",
+                batch: expect.arrayContaining([
+                    {
+                        userId: "@bob:example.org",
+                        deviceId: "bobweb",
+                        payload: expectedPayload,
+                    },
+                    {
+                        userId: "@bob:example.org",
+                        deviceId: "bobmobile",
+                        payload: expectedPayload,
+                    },
+                    {
+                        userId: "@carol:example.org",
+                        deviceId: "caroldesktop",
+                        payload: expectedPayload,
+                    },
+                ]),
+            });
+        });
+
+        it("returns empty batch if no devices known", async () => {
+            jest.spyOn(crypto.deviceList, "downloadKeys").mockResolvedValue(new Map());
+            const batch = await crypto.encryptToDeviceMessages(
+                "m.test.type",
+                [
+                    { deviceId: "AAA", userId: "@user1:domain" },
+                    { deviceId: "BBB", userId: "@user1:domain" },
+                    { deviceId: "CCC", userId: "@user2:domain" },
+                ],
+                payload,
+            );
+            expect(batch?.eventType).toEqual("m.room.encrypted");
+            expect(batch?.batch).toEqual([]);
+        });
+    });
+
     describe("checkSecretStoragePrivateKey", () => {
         let client: TestClient;
 

spec/unit/crypto/cross-signing.spec.ts

@@ -140,9 +140,7 @@ describe("Cross Signing", function () {
                 });
             }
 
-            const error = new MatrixError(errorResponse);
-            error.httpStatus == 401;
-            throw error;
+            throw new MatrixError(errorResponse, 401);
         };
         alice.uploadKeySignatures = async () => ({ failures: {} });
         alice.setAccountData = async () => ({});
@@ -827,7 +825,7 @@ describe("Cross Signing", function () {
     });
 
     it("should offer to upgrade device verifications to cross-signing", async function () {
-        let upgradeResolveFunc: Function;
+        let upgradeResolveFunc: () => void;
 
         const { client: alice } = await makeTestClient(
             { userId: "@alice:example.com", deviceId: "Osborne2" },
@@ -866,7 +864,7 @@ describe("Cross Signing", function () {
         // cross-signing key is signed by his Dynabook, which alice has
         // verified, and ask if the device verification should be upgraded to a
         // cross-signing verification
-        let upgradePromise = new Promise((resolve) => {
+        let upgradePromise = new Promise<void>((resolve) => {
             upgradeResolveFunc = resolve;
         });
         await resetCrossSigningKeys(alice);
@@ -885,7 +883,7 @@ describe("Cross Signing", function () {
         expect(bobTrust2.isCrossSigningVerified()).toBeFalsy();
         expect(bobTrust2.isTofu()).toBeTruthy();
 
-        upgradePromise = new Promise((resolve) => {
+        upgradePromise = new Promise<void>((resolve) => {
             upgradeResolveFunc = resolve;
         });
         alice.crypto!.deviceList.emit(CryptoEvent.UserCrossSigningUpdated, "@bob:example.com");

spec/unit/crypto/secrets.spec.ts

@@ -20,7 +20,7 @@ import { IObject } from "../../../src/crypto/olmlib";
 import { MatrixEvent } from "../../../src/models/event";
 import { TestClient } from "../../TestClient";
 import { makeTestClients } from "./verification/util";
-import { encryptAES } from "../../../src/crypto/aes";
+import encryptAESSecretStorageItem from "../../../src/utils/encryptAESSecretStorageItem.ts";
 import { createSecretStorageKey, resetCrossSigningKeys } from "./crypto-utils";
 import { logger } from "../../../src/logger";
 import { ClientEvent, ICreateClientOpts, MatrixClient } from "../../../src/client";
@@ -612,7 +612,7 @@ describe("Secrets", function () {
                     type: "m.megolm_backup.v1",
                     content: {
                         encrypted: {
-                            key_id: await encryptAES(
+                            key_id: await encryptAESSecretStorageItem(
                                 "123,45,6,7,89,1,234,56,78,90,12,34,5,67,8,90",
                                 secretStorageKeys.key_id,
                                 "m.megolm_backup.v1",

spec/unit/crypto/verification/sas.spec.ts

@@ -454,7 +454,7 @@ describe("SAS verification", function () {
         let bobSasEvent: ISasEvent | null;
         let aliceVerifier: SAS;
         let bobPromise: Promise<void>;
-        let clearTestClientTimeouts: Function;
+        let clearTestClientTimeouts: () => void;
 
         beforeEach(async function () {
             [[alice, bob], clearTestClientTimeouts] = await makeTestClients(

spec/unit/digest.spec.ts

@@ -0,0 +1,40 @@
+/*
+Copyright 2024 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { encodeUnpaddedBase64Url } from "../../src";
+import { sha256 } from "../../src/digest";
+
+describe("sha256", () => {
+    it("should hash a string", async () => {
+        const hash = await sha256("test");
+        expect(encodeUnpaddedBase64Url(hash)).toBe("n4bQgYhMfWWaL-qgxVrQFaO_TxsrC4Is0V1sFbDwCgg");
+    });
+
+    it("should hash a string with emoji", async () => {
+        const hash = await sha256("test 🍱");
+        expect(encodeUnpaddedBase64Url(hash)).toBe("X2aDNrrwfq3nCTOl90R9qg9ynxhHnSzsMqtrdYX-SGw");
+    });
+
+    it("throws if webcrypto is not available", async () => {
+        const oldCrypto = global.crypto;
+        try {
+            global.crypto = {} as any;
+            await expect(sha256("test")).rejects.toThrow();
+        } finally {
+            global.crypto = oldCrypto;
+        }
+    });
+});

spec/unit/embedded.spec.ts

@@ -32,7 +32,7 @@ import {
     IOpenIDCredentials,
 } from "matrix-widget-api";
 
-import { createRoomWidgetClient, MsgType } from "../../src/matrix";
+import { createRoomWidgetClient, MsgType, UpdateDelayedEventAction } from "../../src/matrix";
 import { MatrixClient, ClientEvent, ITurnServer as IClientTurnServer } from "../../src/client";
 import { SyncState } from "../../src/sync";
 import { ICapabilities } from "../../src/embedded";
@@ -59,8 +59,26 @@ class MockWidgetApi extends EventEmitter {
     public requestCapabilityToReceiveState = jest.fn();
     public requestCapabilityToSendToDevice = jest.fn();
     public requestCapabilityToReceiveToDevice = jest.fn();
-    public sendRoomEvent = jest.fn(() => ({ event_id: `$${Math.random()}` }));
-    public sendStateEvent = jest.fn();
+    public sendRoomEvent = jest.fn(
+        (eventType: string, content: unknown, roomId?: string, delay?: number, parentDelayId?: string) =>
+            delay === undefined && parentDelayId === undefined
+                ? { event_id: `$${Math.random()}` }
+                : { delay_id: `id-${Math.random()}` },
+    );
+    public sendStateEvent = jest.fn(
+        (
+            eventType: string,
+            stateKey: string,
+            content: unknown,
+            roomId?: string,
+            delay?: number,
+            parentDelayId?: string,
+        ) =>
+            delay === undefined && parentDelayId === undefined
+                ? { event_id: `$${Math.random()}` }
+                : { delay_id: `id-${Math.random()}` },
+    );
+    public updateDelayedEvent = jest.fn();
     public sendToDevice = jest.fn();
     public requestOpenIDConnectToken = jest.fn(() => {
         return testOIDCToken;
@@ -125,6 +143,17 @@ describe("RoomWidgetClient", () => {
             );
         });
 
+        it("send handles wrong field in response", async () => {
+            await makeClient({ sendEvent: ["org.matrix.rageshake_request"] });
+            widgetApi.sendRoomEvent.mockResolvedValueOnce({
+                room_id: "!1:example.org",
+                delay_id: `id-${Math.random}`,
+            });
+            await expect(
+                client.sendEvent("!1:example.org", "org.matrix.rageshake_request", { request_id: 123 }),
+            ).rejects.toThrow();
+        });
+
         it("receives", async () => {
             const event = new MatrixEvent({
                 type: "org.matrix.rageshake_request",
@@ -160,6 +189,199 @@ describe("RoomWidgetClient", () => {
         });
     });
 
+    describe("delayed events", () => {
+        describe("when supported", () => {
+            const doesServerSupportUnstableFeatureMock = jest.fn((feature) =>
+                Promise.resolve(feature === "org.matrix.msc4140"),
+            );
+
+            beforeAll(() => {
+                MatrixClient.prototype.doesServerSupportUnstableFeature = doesServerSupportUnstableFeatureMock;
+            });
+
+            afterAll(() => {
+                doesServerSupportUnstableFeatureMock.mockReset();
+            });
+
+            it("sends delayed message events", async () => {
+                await makeClient({ sendDelayedEvents: true, sendEvent: ["org.matrix.rageshake_request"] });
+                expect(widgetApi.requestCapability).toHaveBeenCalledWith(MatrixCapabilities.MSC4157SendDelayedEvent);
+                await client._unstable_sendDelayedEvent(
+                    "!1:example.org",
+                    { delay: 2000 },
+                    null,
+                    "org.matrix.rageshake_request",
+                    { request_id: 123 },
+                );
+                expect(widgetApi.sendRoomEvent).toHaveBeenCalledWith(
+                    "org.matrix.rageshake_request",
+                    { request_id: 123 },
+                    "!1:example.org",
+                    2000,
+                    undefined,
+                );
+            });
+
+            it("sends child action delayed message events", async () => {
+                await makeClient({ sendDelayedEvents: true, sendEvent: ["org.matrix.rageshake_request"] });
+                expect(widgetApi.requestCapability).toHaveBeenCalledWith(MatrixCapabilities.MSC4157SendDelayedEvent);
+                const parentDelayId = `id-${Math.random()}`;
+                await client._unstable_sendDelayedEvent(
+                    "!1:example.org",
+                    { parent_delay_id: parentDelayId },
+                    null,
+                    "org.matrix.rageshake_request",
+                    { request_id: 123 },
+                );
+                expect(widgetApi.sendRoomEvent).toHaveBeenCalledWith(
+                    "org.matrix.rageshake_request",
+                    { request_id: 123 },
+                    "!1:example.org",
+                    undefined,
+                    parentDelayId,
+                );
+            });
+
+            it("sends delayed state events", async () => {
+                await makeClient({
+                    sendDelayedEvents: true,
+                    sendState: [{ eventType: "org.example.foo", stateKey: "bar" }],
+                });
+                expect(widgetApi.requestCapability).toHaveBeenCalledWith(MatrixCapabilities.MSC4157SendDelayedEvent);
+                await client._unstable_sendDelayedStateEvent(
+                    "!1:example.org",
+                    { delay: 2000 },
+                    "org.example.foo",
+                    { hello: "world" },
+                    "bar",
+                );
+                expect(widgetApi.sendStateEvent).toHaveBeenCalledWith(
+                    "org.example.foo",
+                    "bar",
+                    { hello: "world" },
+                    "!1:example.org",
+                    2000,
+                    undefined,
+                );
+            });
+
+            it("sends child action delayed state events", async () => {
+                await makeClient({
+                    sendDelayedEvents: true,
+                    sendState: [{ eventType: "org.example.foo", stateKey: "bar" }],
+                });
+                expect(widgetApi.requestCapability).toHaveBeenCalledWith(MatrixCapabilities.MSC4157SendDelayedEvent);
+                const parentDelayId = `fg-${Math.random()}`;
+                await client._unstable_sendDelayedStateEvent(
+                    "!1:example.org",
+                    { parent_delay_id: parentDelayId },
+                    "org.example.foo",
+                    { hello: "world" },
+                    "bar",
+                );
+                expect(widgetApi.sendStateEvent).toHaveBeenCalledWith(
+                    "org.example.foo",
+                    "bar",
+                    { hello: "world" },
+                    "!1:example.org",
+                    undefined,
+                    parentDelayId,
+                );
+            });
+
+            it("send delayed message events handles wrong field in response", async () => {
+                await makeClient({ sendDelayedEvents: true, sendEvent: ["org.matrix.rageshake_request"] });
+                widgetApi.sendRoomEvent.mockResolvedValueOnce({
+                    room_id: "!1:example.org",
+                    event_id: `$${Math.random()}`,
+                });
+                await expect(
+                    client._unstable_sendDelayedEvent(
+                        "!1:example.org",
+                        { delay: 2000 },
+                        null,
+                        "org.matrix.rageshake_request",
+                        { request_id: 123 },
+                    ),
+                ).rejects.toThrow();
+            });
+
+            it("send delayed state events handles wrong field in response", async () => {
+                await makeClient({
+                    sendDelayedEvents: true,
+                    sendState: [{ eventType: "org.example.foo", stateKey: "bar" }],
+                });
+                widgetApi.sendStateEvent.mockResolvedValueOnce({
+                    room_id: "!1:example.org",
+                    event_id: `$${Math.random()}`,
+                });
+                await expect(
+                    client._unstable_sendDelayedStateEvent(
+                        "!1:example.org",
+                        { delay: 2000 },
+                        "org.example.foo",
+                        { hello: "world" },
+                        "bar",
+                    ),
+                ).rejects.toThrow();
+            });
+
+            it("updates delayed events", async () => {
+                await makeClient({ updateDelayedEvents: true, sendEvent: ["org.matrix.rageshake_request"] });
+                expect(widgetApi.requestCapability).toHaveBeenCalledWith(MatrixCapabilities.MSC4157UpdateDelayedEvent);
+                for (const action of [
+                    UpdateDelayedEventAction.Cancel,
+                    UpdateDelayedEventAction.Restart,
+                    UpdateDelayedEventAction.Send,
+                ]) {
+                    await client._unstable_updateDelayedEvent("id", action);
+                    expect(widgetApi.updateDelayedEvent).toHaveBeenCalledWith("id", action);
+                }
+            });
+        });
+
+        describe("when unsupported", () => {
+            it("fails to send delayed message events", async () => {
+                await makeClient({ sendEvent: ["org.matrix.rageshake_request"] });
+                await expect(
+                    client._unstable_sendDelayedEvent(
+                        "!1:example.org",
+                        { delay: 2000 },
+                        null,
+                        "org.matrix.rageshake_request",
+                        { request_id: 123 },
+                    ),
+                ).rejects.toThrow("Server does not support");
+            });
+
+            it("fails to send delayed state events", async () => {
+                await makeClient({ sendState: [{ eventType: "org.example.foo", stateKey: "bar" }] });
+                await expect(
+                    client._unstable_sendDelayedStateEvent(
+                        "!1:example.org",
+                        { delay: 2000 },
+                        "org.example.foo",
+                        { hello: "world" },
+                        "bar",
+                    ),
+                ).rejects.toThrow("Server does not support");
+            });
+
+            it("fails to update delayed state events", async () => {
+                await makeClient({});
+                for (const action of [
+                    UpdateDelayedEventAction.Cancel,
+                    UpdateDelayedEventAction.Restart,
+                    UpdateDelayedEventAction.Send,
+                ]) {
+                    await expect(client._unstable_updateDelayedEvent("id", action)).rejects.toThrow(
+                        "Server does not support",
+                    );
+                }
+            });
+        });
+    });
+
     describe("initialization", () => {
         it("requests permissions for specific message types", async () => {
             await makeClient({ sendMessage: [MsgType.Text], receiveMessage: [MsgType.Text] });
@@ -211,6 +433,17 @@ describe("RoomWidgetClient", () => {
             );
         });
 
+        it("send handles incorrect response", async () => {
+            await makeClient({ sendState: [{ eventType: "org.example.foo", stateKey: "bar" }] });
+            widgetApi.sendStateEvent.mockResolvedValueOnce({
+                room_id: "!1:example.org",
+                delay_id: `id-${Math.random}`,
+            });
+            await expect(
+                client.sendStateEvent("!1:example.org", "org.example.foo", { hello: "world" }, "bar"),
+            ).rejects.toThrow();
+        });
+
         it("receives", async () => {
             await makeClient({ receiveState: [{ eventType: "org.example.foo", stateKey: "bar" }] });
             expect(widgetApi.requestCapabilityForRoomTimeline).toHaveBeenCalledWith("!1:example.org");

spec/unit/matrix-client.spec.ts

@@ -57,6 +57,7 @@ import {
     Room,
     RuleId,
     TweakName,
+    UpdateDelayedEventAction,
 } from "../../src";
 import { supportsMatrixCall } from "../../src/webrtc/call";
 import { makeBeaconEvent } from "../test-utils/beacon";
@@ -97,11 +98,11 @@ type HttpLookup = {
     method: string;
     path: string;
     prefix?: string;
-    data?: Record<string, any>;
+    data?: Record<string, any> | Record<string, any>[];
     error?: object;
     expectBody?: Record<string, any>;
     expectQueryParams?: QueryDict;
-    thenCall?: Function;
+    thenCall?: () => void;
 };
 
 interface Options extends ICreateRoomOpts {
@@ -298,7 +299,9 @@ describe("MatrixClient", function () {
             ...(opts || {}),
         });
         // FIXME: We shouldn't be yanking http like this.
-        client.http = (["authedRequest", "getContentUri", "request", "uploadContent"] as const).reduce((r, k) => {
+        client.http = (
+            ["authedRequest", "getContentUri", "request", "uploadContent", "idServerRequest"] as const
+        ).reduce((r, k) => {
             r[k] = jest.fn();
             return r;
         }, {} as MatrixHttpApi<any>);
@@ -400,7 +403,7 @@ describe("MatrixClient", function () {
         async function assertRequestsMade(
             responses: {
                 prefix?: string;
-                error?: { httpStatus: Number; errcode: string };
+                error?: { httpStatus: number; errcode: string };
                 data?: { event_id: string };
             }[],
             expectRejects = false,
@@ -704,6 +707,446 @@ describe("MatrixClient", function () {
         });
     });
 
+    describe("_unstable_sendDelayedEvent", () => {
+        const unstableMSC4140Prefix = `${ClientPrefix.Unstable}/org.matrix.msc4140`;
+
+        const roomId = "!room:example.org";
+        const body = "This is the body";
+        const content = { body, msgtype: MsgType.Text } satisfies RoomMessageEventContent;
+        const timeoutDelayOpts = { delay: 2000 };
+        const realTimeoutDelayOpts = { "org.matrix.msc4140.delay": 2000 };
+
+        beforeEach(() => {
+            unstableFeatures["org.matrix.msc4140"] = true;
+        });
+
+        it("throws when unsupported by server", async () => {
+            unstableFeatures["org.matrix.msc4140"] = false;
+            const errorMessage = "Server does not support";
+
+            await expect(
+                client._unstable_sendDelayedEvent(
+                    roomId,
+                    timeoutDelayOpts,
+                    null,
+                    EventType.RoomMessage,
+                    { ...content },
+                    client.makeTxnId(),
+                ),
+            ).rejects.toThrow(errorMessage);
+
+            await expect(
+                client._unstable_sendDelayedStateEvent(roomId, timeoutDelayOpts, EventType.RoomTopic, {
+                    topic: "topic",
+                }),
+            ).rejects.toThrow(errorMessage);
+
+            await expect(client._unstable_getDelayedEvents()).rejects.toThrow(errorMessage);
+
+            await expect(
+                client._unstable_updateDelayedEvent("anyDelayId", UpdateDelayedEventAction.Send),
+            ).rejects.toThrow(errorMessage);
+        });
+
+        it("works with null threadId", async () => {
+            httpLookups = [];
+
+            const timeoutDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${timeoutDelayTxnId}`,
+                expectQueryParams: realTimeoutDelayOpts,
+                data: { delay_id: "id1" },
+                expectBody: content,
+            });
+
+            const { delay_id: timeoutDelayId } = await client._unstable_sendDelayedEvent(
+                roomId,
+                timeoutDelayOpts,
+                null,
+                EventType.RoomMessage,
+                { ...content },
+                timeoutDelayTxnId,
+            );
+
+            const actionDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${actionDelayTxnId}`,
+                expectQueryParams: { "org.matrix.msc4140.parent_delay_id": timeoutDelayId },
+                data: { delay_id: "id2" },
+                expectBody: content,
+            });
+
+            await client._unstable_sendDelayedEvent(
+                roomId,
+                { parent_delay_id: timeoutDelayId },
+                null,
+                EventType.RoomMessage,
+                { ...content },
+                actionDelayTxnId,
+            );
+        });
+
+        it("works with non-null threadId", async () => {
+            httpLookups = [];
+            const threadId = "$threadId:server";
+            const expectBody = {
+                ...content,
+                "m.relates_to": {
+                    event_id: threadId,
+                    is_falling_back: true,
+                    rel_type: "m.thread",
+                },
+            };
+
+            const timeoutDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${timeoutDelayTxnId}`,
+                expectQueryParams: realTimeoutDelayOpts,
+                data: { delay_id: "id1" },
+                expectBody,
+            });
+
+            const { delay_id: timeoutDelayId } = await client._unstable_sendDelayedEvent(
+                roomId,
+                timeoutDelayOpts,
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                timeoutDelayTxnId,
+            );
+
+            const actionDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${actionDelayTxnId}`,
+                expectQueryParams: { "org.matrix.msc4140.parent_delay_id": timeoutDelayId },
+                data: { delay_id: "id2" },
+                expectBody,
+            });
+
+            await client._unstable_sendDelayedEvent(
+                roomId,
+                { parent_delay_id: timeoutDelayId },
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                actionDelayTxnId,
+            );
+        });
+
+        it("should add thread relation if threadId is passed and the relation is missing", async () => {
+            httpLookups = [];
+            const threadId = "$threadId:server";
+            const expectBody = {
+                ...content,
+                "m.relates_to": {
+                    "m.in_reply_to": {
+                        event_id: threadId,
+                    },
+                    "event_id": threadId,
+                    "is_falling_back": true,
+                    "rel_type": "m.thread",
+                },
+            };
+
+            const room = new Room(roomId, client, userId);
+            mocked(store.getRoom).mockReturnValue(room);
+
+            const rootEvent = new MatrixEvent({ event_id: threadId });
+            room.createThread(threadId, rootEvent, [rootEvent], false);
+
+            const timeoutDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${timeoutDelayTxnId}`,
+                expectQueryParams: realTimeoutDelayOpts,
+                data: { delay_id: "id1" },
+                expectBody,
+            });
+
+            const { delay_id: timeoutDelayId } = await client._unstable_sendDelayedEvent(
+                roomId,
+                timeoutDelayOpts,
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                timeoutDelayTxnId,
+            );
+
+            const actionDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${actionDelayTxnId}`,
+                expectQueryParams: { "org.matrix.msc4140.parent_delay_id": timeoutDelayId },
+                data: { delay_id: "id2" },
+                expectBody,
+            });
+
+            await client._unstable_sendDelayedEvent(
+                roomId,
+                { parent_delay_id: timeoutDelayId },
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                actionDelayTxnId,
+            );
+        });
+
+        it("should add thread relation if threadId is passed and the relation is missing with reply", async () => {
+            httpLookups = [];
+            const threadId = "$threadId:server";
+
+            const content = {
+                body,
+                "msgtype": MsgType.Text,
+                "m.relates_to": {
+                    "m.in_reply_to": {
+                        event_id: "$other:event",
+                    },
+                },
+            } satisfies RoomMessageEventContent;
+            const expectBody = {
+                ...content,
+                "m.relates_to": {
+                    "m.in_reply_to": {
+                        event_id: "$other:event",
+                    },
+                    "event_id": threadId,
+                    "is_falling_back": false,
+                    "rel_type": "m.thread",
+                },
+            };
+
+            const room = new Room(roomId, client, userId);
+            mocked(store.getRoom).mockReturnValue(room);
+
+            const rootEvent = new MatrixEvent({ event_id: threadId });
+            room.createThread(threadId, rootEvent, [rootEvent], false);
+
+            const timeoutDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${timeoutDelayTxnId}`,
+                expectQueryParams: realTimeoutDelayOpts,
+                data: { delay_id: "id1" },
+                expectBody,
+            });
+
+            const { delay_id: timeoutDelayId } = await client._unstable_sendDelayedEvent(
+                roomId,
+                timeoutDelayOpts,
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                timeoutDelayTxnId,
+            );
+
+            const actionDelayTxnId = client.makeTxnId();
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/send/m.room.message/${actionDelayTxnId}`,
+                expectQueryParams: { "org.matrix.msc4140.parent_delay_id": timeoutDelayId },
+                data: { delay_id: "id2" },
+                expectBody,
+            });
+
+            await client._unstable_sendDelayedEvent(
+                roomId,
+                { parent_delay_id: timeoutDelayId },
+                threadId,
+                EventType.RoomMessage,
+                { ...content },
+                actionDelayTxnId,
+            );
+        });
+
+        it("can send a delayed state event", async () => {
+            httpLookups = [];
+            const content = { topic: "The year 2000" };
+
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/state/m.room.topic/`,
+                expectQueryParams: realTimeoutDelayOpts,
+                data: { delay_id: "id1" },
+                expectBody: content,
+            });
+
+            const { delay_id: timeoutDelayId } = await client._unstable_sendDelayedStateEvent(
+                roomId,
+                timeoutDelayOpts,
+                EventType.RoomTopic,
+                { ...content },
+            );
+
+            httpLookups.push({
+                method: "PUT",
+                path: `/rooms/${encodeURIComponent(roomId)}/state/m.room.topic/`,
+                expectQueryParams: { "org.matrix.msc4140.parent_delay_id": timeoutDelayId },
+                data: { delay_id: "id2" },
+                expectBody: content,
+            });
+
+            await client._unstable_sendDelayedStateEvent(
+                roomId,
+                { parent_delay_id: timeoutDelayId },
+                EventType.RoomTopic,
+                { ...content },
+            );
+        });
+
+        it("can look up delayed events", async () => {
+            httpLookups = [
+                {
+                    method: "GET",
+                    prefix: unstableMSC4140Prefix,
+                    path: "/delayed_events",
+                    data: [],
+                },
+            ];
+
+            await client._unstable_getDelayedEvents();
+        });
+
+        it("can update delayed events", async () => {
+            const delayId = "id";
+            const action = UpdateDelayedEventAction.Restart;
+            httpLookups = [
+                {
+                    method: "POST",
+                    prefix: unstableMSC4140Prefix,
+                    path: `/delayed_events/${encodeURIComponent(delayId)}`,
+                    data: {
+                        action,
+                    },
+                },
+            ];
+
+            await client._unstable_updateDelayedEvent(delayId, action);
+        });
+    });
+
+    describe("extended profiles", () => {
+        const unstableMSC4133Prefix = `${ClientPrefix.Unstable}/uk.tcpip.msc4133`;
+        const userId = "@profile_user:example.org";
+
+        beforeEach(() => {
+            unstableFeatures["uk.tcpip.msc4133"] = true;
+        });
+
+        it("throws when unsupported by server", async () => {
+            unstableFeatures["uk.tcpip.msc4133"] = false;
+            const errorMessage = "Server does not support extended profiles";
+
+            await expect(client.doesServerSupportExtendedProfiles()).resolves.toEqual(false);
+
+            await expect(client.getExtendedProfile(userId)).rejects.toThrow(errorMessage);
+            await expect(client.getExtendedProfileProperty(userId, "test_key")).rejects.toThrow(errorMessage);
+            await expect(client.setExtendedProfileProperty("test_key", "foo")).rejects.toThrow(errorMessage);
+            await expect(client.deleteExtendedProfileProperty("test_key")).rejects.toThrow(errorMessage);
+            await expect(client.patchExtendedProfile({ test_key: "foo" })).rejects.toThrow(errorMessage);
+            await expect(client.setExtendedProfile({ test_key: "foo" })).rejects.toThrow(errorMessage);
+        });
+
+        it("can fetch a extended user profile", async () => {
+            const testProfile = {
+                test_key: "foo",
+            };
+            httpLookups = [
+                {
+                    method: "GET",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(userId),
+                    data: testProfile,
+                },
+            ];
+            await expect(client.getExtendedProfile(userId)).resolves.toEqual(testProfile);
+            expect(httpLookups).toHaveLength(0);
+        });
+
+        it("can fetch a property from a extended user profile", async () => {
+            const testProfile = {
+                test_key: "foo",
+            };
+            httpLookups = [
+                {
+                    method: "GET",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(userId) + "/test_key",
+                    data: testProfile,
+                },
+            ];
+            await expect(client.getExtendedProfileProperty(userId, "test_key")).resolves.toEqual("foo");
+            expect(httpLookups).toHaveLength(0);
+        });
+
+        it("can set a property in our extended profile", async () => {
+            httpLookups = [
+                {
+                    method: "PUT",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(client.credentials.userId!) + "/test_key",
+                    expectBody: {
+                        test_key: "foo",
+                    },
+                },
+            ];
+            await expect(client.setExtendedProfileProperty("test_key", "foo")).resolves.toEqual(undefined);
+            expect(httpLookups).toHaveLength(0);
+        });
+
+        it("can delete a property in our extended profile", async () => {
+            httpLookups = [
+                {
+                    method: "DELETE",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(client.credentials.userId!) + "/test_key",
+                },
+            ];
+            await expect(client.deleteExtendedProfileProperty("test_key")).resolves.toEqual(undefined);
+            expect(httpLookups).toHaveLength(0);
+        });
+
+        it("can patch our extended profile", async () => {
+            const testProfile = {
+                test_key: "foo",
+            };
+            const patchedProfile = {
+                existing: "key",
+                test_key: "foo",
+            };
+            httpLookups = [
+                {
+                    method: "PATCH",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(client.credentials.userId!),
+                    data: patchedProfile,
+                    expectBody: testProfile,
+                },
+            ];
+            await expect(client.patchExtendedProfile(testProfile)).resolves.toEqual(patchedProfile);
+        });
+
+        it("can replace our extended profile", async () => {
+            const testProfile = {
+                test_key: "foo",
+            };
+            httpLookups = [
+                {
+                    method: "PUT",
+                    prefix: unstableMSC4133Prefix,
+                    path: "/profile/" + encodeURIComponent(client.credentials.userId!),
+                    data: testProfile,
+                    expectBody: testProfile,
+                },
+            ];
+            await expect(client.setExtendedProfile(testProfile)).resolves.toEqual(undefined);
+        });
+    });
+
     it("should create (unstable) file trees", async () => {
         const userId = "@test:example.org";
         const roomId = "!room:example.org";
@@ -963,7 +1406,7 @@ describe("MatrixClient", function () {
             const filter = new Filter(client.credentials.userId);
 
             const filterId = await client.getOrCreateFilter(filterName, filter);
-            expect(filterId).toEqual(FILTER_RESPONSE.data?.filter_id);
+            expect(filterId).toEqual(!Array.isArray(FILTER_RESPONSE.data) && FILTER_RESPONSE.data?.filter_id);
         });
     });
 
@@ -1072,7 +1515,7 @@ describe("MatrixClient", function () {
     });
 
     describe("emitted sync events", function () {
-        function syncChecker(expectedStates: [string, string | null][], done: Function) {
+        function syncChecker(expectedStates: [string, string | null][], done: () => void) {
             return function syncListener(state: SyncState, old: SyncState | null) {
                 const expected = expectedStates.shift();
                 logger.log("'sync' curr=%s old=%s EXPECT=%s", state, old, expected);
@@ -1094,7 +1537,7 @@ describe("MatrixClient", function () {
         it("should transition null -> PREPARED after the first /sync", async () => {
             const expectedStates: [string, string | null][] = [];
             expectedStates.push(["PREPARED", null]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1111,7 +1554,7 @@ describe("MatrixClient", function () {
                 error: { errcode: "NOPE_NOPE_NOPE" },
             });
             expectedStates.push(["ERROR", null]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1151,7 +1594,7 @@ describe("MatrixClient", function () {
             expectedStates.push(["RECONNECTING", null]);
             expectedStates.push(["ERROR", "RECONNECTING"]);
             expectedStates.push(["CATCHUP", "ERROR"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1162,7 +1605,7 @@ describe("MatrixClient", function () {
             const expectedStates: [string, string | null][] = [];
             expectedStates.push(["PREPARED", null]);
             expectedStates.push(["SYNCING", "PREPARED"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1187,7 +1630,7 @@ describe("MatrixClient", function () {
             expectedStates.push(["SYNCING", "PREPARED"]);
             expectedStates.push(["RECONNECTING", "SYNCING"]);
             expectedStates.push(["ERROR", "RECONNECTING"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1206,7 +1649,7 @@ describe("MatrixClient", function () {
             expectedStates.push(["PREPARED", null]);
             expectedStates.push(["SYNCING", "PREPARED"]);
             expectedStates.push(["ERROR", "SYNCING"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1221,7 +1664,7 @@ describe("MatrixClient", function () {
             expectedStates.push(["PREPARED", null]);
             expectedStates.push(["SYNCING", "PREPARED"]);
             expectedStates.push(["SYNCING", "SYNCING"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -1252,7 +1695,7 @@ describe("MatrixClient", function () {
             expectedStates.push(["RECONNECTING", "SYNCING"]);
             expectedStates.push(["ERROR", "RECONNECTING"]);
             expectedStates.push(["ERROR", "ERROR"]);
-            const didSyncPromise = new Promise((resolve) => {
+            const didSyncPromise = new Promise<void>((resolve) => {
                 client.on(ClientEvent.Sync, syncChecker(expectedStates, resolve));
             });
             await client.startClient();
@@ -3035,4 +3478,45 @@ describe("MatrixClient", function () {
             expect(httpLookups.length).toEqual(0);
         });
     });
+
+    describe("identityHashedLookup", () => {
+        it("should return hashed lookup results", async () => {
+            const ID_ACCESS_TOKEN = "hello_id_server_please_let_me_make_a_request";
+
+            client.http.idServerRequest = jest.fn().mockImplementation((method, path, params) => {
+                if (method === "GET" && path === "/hash_details") {
+                    return { algorithms: ["sha256"], lookup_pepper: "carrot" };
+                } else if (method === "POST" && path === "/lookup") {
+                    return {
+                        mappings: {
+                            "WHA-MgrrsZACDI9F8OaVagpiyiV2sjZylGHJteT4OMU": "@bob:homeserver.dummy",
+                        },
+                    };
+                }
+
+                throw new Error("Test impl doesn't know about this request");
+            });
+
+            const lookupResult = await client.identityHashedLookup([["bob@email.dummy", "email"]], ID_ACCESS_TOKEN);
+
+            expect(client.http.idServerRequest).toHaveBeenCalledWith(
+                "GET",
+                "/hash_details",
+                undefined,
+                "/_matrix/identity/v2",
+                ID_ACCESS_TOKEN,
+            );
+
+            expect(client.http.idServerRequest).toHaveBeenCalledWith(
+                "POST",
+                "/lookup",
+                { pepper: "carrot", algorithm: "sha256", addresses: ["WHA-MgrrsZACDI9F8OaVagpiyiV2sjZylGHJteT4OMU"] },
+                "/_matrix/identity/v2",
+                ID_ACCESS_TOKEN,
+            );
+
+            expect(lookupResult).toHaveLength(1);
+            expect(lookupResult[0]).toEqual({ address: "bob@email.dummy", mxid: "@bob:homeserver.dummy" });
+        });
+    });
 });

spec/unit/matrixrtc/CallMembership.spec.ts

@@ -98,20 +98,6 @@ describe("CallMembership", () => {
             expect(membership.getAbsoluteExpiry()).toEqual(5000 + 1000);
         });
 
-        it("considers memberships unexpired if local age low enough", () => {
-            const fakeEvent = makeMockEvent(1000);
-            fakeEvent.getLocalAge = jest.fn().mockReturnValue(3000);
-            const membership = new CallMembership(fakeEvent, membershipTemplate);
-            expect(membership.isExpired()).toEqual(false);
-        });
-
-        it("considers memberships expired when local age large", () => {
-            const fakeEvent = makeMockEvent(1000);
-            fakeEvent.localTimestamp = Date.now() - 6000;
-            const membership = new CallMembership(fakeEvent, membershipTemplate);
-            expect(membership.isExpired()).toEqual(true);
-        });
-
         it("returns preferred foci", () => {
             const fakeEvent = makeMockEvent();
             const mockFocus = { type: "this_is_a_mock_focus" };
@@ -198,13 +184,6 @@ describe("CallMembership", () => {
         beforeEach(() => {
             // server origin timestamp for this event is 1000
             fakeEvent = makeMockEvent(1000);
-            // our clock would have been at 2000 at the creation time (our clock at event receive time - age)
-            // (ie. the local clock is 1 second ahead of the servers' clocks)
-            fakeEvent.localTimestamp = 2000;
-
-            // for simplicity's sake, we say that the event's age is zero
-            fakeEvent.getLocalAge = jest.fn().mockReturnValue(0);
-
             membership = new CallMembership(fakeEvent!, membershipTemplate);
 
             jest.useFakeTimers();
@@ -215,6 +194,13 @@ describe("CallMembership", () => {
         });
 
         it("converts expiry time into local clock", () => {
+            // our clock would have been at 2000 at the creation time (our clock at event receive time - age)
+            // (ie. the local clock is 1 second ahead of the servers' clocks)
+            fakeEvent.localTimestamp = 2000;
+
+            // for simplicity's sake, we say that the event's age is zero
+            fakeEvent.getLocalAge = jest.fn().mockReturnValue(0);
+
             // for sanity's sake, make sure the server-relative expiry time is what we expect
             expect(membership.getAbsoluteExpiry()).toEqual(6000);
             // therefore the expiry time converted to our clock should be 1 second later
@@ -223,7 +209,8 @@ describe("CallMembership", () => {
 
         it("calculates time until expiry", () => {
             jest.setSystemTime(2000);
-            expect(membership.getMsUntilExpiry()).toEqual(5000);
+            // should be using absolute expiry time
+            expect(membership.getMsUntilExpiry()).toEqual(4000);
         });
     });
 });

spec/unit/matrixrtc/MatrixRTCSessionManager.spec.ts

@@ -102,6 +102,7 @@ describe("MatrixRTCSessionManager", () => {
             getContent: jest.fn().mockReturnValue({}),
             getSender: jest.fn().mockReturnValue("@mock:user.example"),
             getRoomId: jest.fn().mockReturnValue("!room:id"),
+            isDecryptionFailure: jest.fn().mockReturnValue(false),
             sender: {
                 userId: "@mock:user.example",
             },
@@ -110,4 +111,93 @@ describe("MatrixRTCSessionManager", () => {
         await new Promise(process.nextTick);
         expect(onCallEncryptionMock).toHaveBeenCalled();
     });
+
+    describe("event decryption", () => {
+        it("Retries decryption and processes success", async () => {
+            try {
+                jest.useFakeTimers();
+                const room1 = makeMockRoom([membershipTemplate]);
+                jest.spyOn(client, "getRooms").mockReturnValue([room1]);
+                jest.spyOn(client, "getRoom").mockReturnValue(room1);
+
+                client.emit(ClientEvent.Room, room1);
+                const onCallEncryptionMock = jest.fn();
+                client.matrixRTC.getRoomSession(room1).onCallEncryption = onCallEncryptionMock;
+                let isDecryptionFailure = true;
+                client.decryptEventIfNeeded = jest
+                    .fn()
+                    .mockReturnValueOnce(Promise.resolve())
+                    .mockImplementation(() => {
+                        isDecryptionFailure = false;
+                        return Promise.resolve();
+                    });
+                const timelineEvent = {
+                    getType: jest.fn().mockReturnValue(EventType.CallEncryptionKeysPrefix),
+                    getContent: jest.fn().mockReturnValue({}),
+                    getSender: jest.fn().mockReturnValue("@mock:user.example"),
+                    getRoomId: jest.fn().mockReturnValue("!room:id"),
+                    isDecryptionFailure: jest.fn().mockImplementation(() => isDecryptionFailure),
+                    getId: jest.fn().mockReturnValue("event_id"),
+                    sender: {
+                        userId: "@mock:user.example",
+                    },
+                } as unknown as MatrixEvent;
+                client.emit(RoomEvent.Timeline, timelineEvent, undefined, undefined, false, {} as IRoomTimelineData);
+
+                expect(client.decryptEventIfNeeded).toHaveBeenCalledTimes(1);
+                expect(onCallEncryptionMock).toHaveBeenCalledTimes(0);
+
+                // should retry after one second:
+                await jest.advanceTimersByTimeAsync(1500);
+
+                expect(client.decryptEventIfNeeded).toHaveBeenCalledTimes(2);
+                expect(onCallEncryptionMock).toHaveBeenCalledTimes(1);
+            } finally {
+                jest.useRealTimers();
+            }
+        });
+
+        it("Retries decryption and processes failure", async () => {
+            try {
+                jest.useFakeTimers();
+                const room1 = makeMockRoom([membershipTemplate]);
+                jest.spyOn(client, "getRooms").mockReturnValue([room1]);
+                jest.spyOn(client, "getRoom").mockReturnValue(room1);
+
+                client.emit(ClientEvent.Room, room1);
+                const onCallEncryptionMock = jest.fn();
+                client.matrixRTC.getRoomSession(room1).onCallEncryption = onCallEncryptionMock;
+                client.decryptEventIfNeeded = jest.fn().mockReturnValue(Promise.resolve());
+                const timelineEvent = {
+                    getType: jest.fn().mockReturnValue(EventType.CallEncryptionKeysPrefix),
+                    getContent: jest.fn().mockReturnValue({}),
+                    getSender: jest.fn().mockReturnValue("@mock:user.example"),
+                    getRoomId: jest.fn().mockReturnValue("!room:id"),
+                    isDecryptionFailure: jest.fn().mockReturnValue(true), // always fail
+                    getId: jest.fn().mockReturnValue("event_id"),
+                    sender: {
+                        userId: "@mock:user.example",
+                    },
+                } as unknown as MatrixEvent;
+                client.emit(RoomEvent.Timeline, timelineEvent, undefined, undefined, false, {} as IRoomTimelineData);
+
+                expect(client.decryptEventIfNeeded).toHaveBeenCalledTimes(1);
+                expect(onCallEncryptionMock).toHaveBeenCalledTimes(0);
+
+                // should retry after one second:
+                await jest.advanceTimersByTimeAsync(1500);
+
+                expect(client.decryptEventIfNeeded).toHaveBeenCalledTimes(2);
+                expect(onCallEncryptionMock).toHaveBeenCalledTimes(0);
+
+                // doesn't retry again:
+                await jest.advanceTimersByTimeAsync(1500);
+
+                expect(client.decryptEventIfNeeded).toHaveBeenCalledTimes(2);
+                expect(onCallEncryptionMock).toHaveBeenCalledTimes(0);
+            } finally {
+                jest.useRealTimers();
+            }
+        });
+    });
 });

spec/unit/matrixrtc/mocks.ts

@@ -20,10 +20,10 @@ import { randomString } from "../../../src/randomstring";
 
 type MembershipData = CallMembershipData[] | SessionMembershipData;
 
-export function makeMockRoom(membershipData: MembershipData, localAge: number | null = null): Room {
+export function makeMockRoom(membershipData: MembershipData): Room {
     const roomId = randomString(8);
     // Caching roomState here so it does not get recreated when calling `getLiveTimeline.getState()`
-    const roomState = makeMockRoomState(membershipData, roomId, localAge);
+    const roomState = makeMockRoomState(membershipData, roomId);
     return {
         roomId: roomId,
         hasMembershipState: jest.fn().mockReturnValue(true),
@@ -34,8 +34,8 @@ export function makeMockRoom(membershipData: MembershipData, localAge: number |
     } as unknown as Room;
 }
 
-export function makeMockRoomState(membershipData: MembershipData, roomId: string, localAge: number | null = null) {
-    const event = mockRTCEvent(membershipData, roomId, localAge);
+export function makeMockRoomState(membershipData: MembershipData, roomId: string) {
+    const event = mockRTCEvent(membershipData, roomId);
     return {
         on: jest.fn(),
         off: jest.fn(),
@@ -57,7 +57,7 @@ export function makeMockRoomState(membershipData: MembershipData, roomId: string
     };
 }
 
-export function mockRTCEvent(membershipData: MembershipData, roomId: string, localAge: number | null): MatrixEvent {
+export function mockRTCEvent(membershipData: MembershipData, roomId: string): MatrixEvent {
     return {
         getType: jest.fn().mockReturnValue(EventType.GroupCallMemberPrefix),
         getContent: jest.fn().mockReturnValue(
@@ -68,11 +68,11 @@ export function mockRTCEvent(membershipData: MembershipData, roomId: string, loc
                   },
         ),
         getSender: jest.fn().mockReturnValue("@mock:user.example"),
-        getTs: jest.fn().mockReturnValue(1000),
-        localTimestamp: Date.now() - (localAge ?? 10),
+        getTs: jest.fn().mockReturnValue(Date.now()),
         getRoomId: jest.fn().mockReturnValue(roomId),
         sender: {
             userId: "@mock:user.example",
         },
+        isDecryptionFailure: jest.fn().mockReturnValue(false),
     } as unknown as MatrixEvent;
 }

spec/unit/models/MSC3089TreeSpace.spec.ts

@@ -107,7 +107,7 @@ describe("MSC3089TreeSpace", () => {
             return Promise.resolve();
         });
         client.invite = fn;
-        await tree.invite(target, false, false);
+        await tree.invite(target, false);
         expect(fn).toHaveBeenCalledTimes(1);
     });
 
@@ -120,7 +120,7 @@ describe("MSC3089TreeSpace", () => {
             return Promise.resolve();
         });
         client.invite = fn;
-        await tree.invite(target, false, false);
+        await tree.invite(target, false);
         expect(fn).toHaveBeenCalledTimes(2);
     });
 
@@ -133,7 +133,7 @@ describe("MSC3089TreeSpace", () => {
         });
         client.invite = fn;
 
-        await expect(tree.invite(target, false, false)).rejects.toThrow("MatrixError: Sample Failure");
+        await expect(tree.invite(target, false)).rejects.toThrow("MatrixError: Sample Failure");
 
         expect(fn).toHaveBeenCalledTimes(1);
     });
@@ -155,61 +155,10 @@ describe("MSC3089TreeSpace", () => {
             { invite: (userId) => fn(tree.roomId, userId) } as MSC3089TreeSpace,
         ];
 
-        await tree.invite(target, true, false);
+        await tree.invite(target, true);
         expect(fn).toHaveBeenCalledTimes(4);
     });
 
-    it("should share keys with invitees", async () => {
-        const target = targetUser;
-        const sendKeysFn = jest.fn().mockImplementation((inviteRoomId: string, userIds: string[]) => {
-            expect(inviteRoomId).toEqual(roomId);
-            expect(userIds).toMatchObject([target]);
-            return Promise.resolve();
-        });
-        client.invite = () => Promise.resolve({}); // we're not testing this here - see other tests
-        client.sendSharedHistoryKeys = sendKeysFn;
-
-        // Mock the history check as best as possible
-        const historyVis = "shared";
-        const historyFn = jest.fn().mockImplementation((eventType: string, stateKey?: string) => {
-            // We're not expecting a super rigid test: the function that calls this internally isn't
-            // really being tested here.
-            expect(eventType).toEqual(EventType.RoomHistoryVisibility);
-            expect(stateKey).toEqual("");
-            return { getContent: () => ({ history_visibility: historyVis }) }; // eslint-disable-line camelcase
-        });
-        room.currentState.getStateEvents = historyFn;
-
-        // Note: inverse test is implicit from other tests, which disable the call stack of this
-        // test in order to pass.
-        await tree.invite(target, false, true);
-        expect(sendKeysFn).toHaveBeenCalledTimes(1);
-        expect(historyFn).toHaveBeenCalledTimes(1);
-    });
-
-    it("should not share keys with invitees if inappropriate history visibility", async () => {
-        const target = targetUser;
-        const sendKeysFn = jest.fn().mockImplementation((inviteRoomId: string, userIds: string[]) => {
-            expect(inviteRoomId).toEqual(roomId);
-            expect(userIds).toMatchObject([target]);
-            return Promise.resolve();
-        });
-        client.invite = () => Promise.resolve({}); // we're not testing this here - see other tests
-        client.sendSharedHistoryKeys = sendKeysFn;
-
-        const historyVis = "joined"; // NOTE: Changed.
-        const historyFn = jest.fn().mockImplementation((eventType: string, stateKey?: string) => {
-            expect(eventType).toEqual(EventType.RoomHistoryVisibility);
-            expect(stateKey).toEqual("");
-            return { getContent: () => ({ history_visibility: historyVis }) }; // eslint-disable-line camelcase
-        });
-        room.currentState.getStateEvents = historyFn;
-
-        await tree.invite(target, false, true);
-        expect(sendKeysFn).toHaveBeenCalledTimes(0);
-        expect(historyFn).toHaveBeenCalledTimes(1);
-    });
-
     async function evaluatePowerLevels(pls: any, role: TreePermissions, expectedPl: number) {
         makePowerLevels(pls);
         const fn = jest

spec/unit/models/event.spec.ts

@@ -412,7 +412,12 @@ describe("MatrixEvent", () => {
             const crypto = {
                 decryptEvent: jest
                     .fn()
-                    .mockRejectedValue("DecryptionError: The sender has disabled encrypting to unverified devices."),
+                    .mockRejectedValue(
+                        new DecryptionError(
+                            DecryptionFailureCode.MEGOLM_KEY_WITHHELD_FOR_UNVERIFIED_DEVICE,
+                            "The sender has disabled encrypting to unverified devices.",
+                        ),
+                    ),
             } as unknown as Crypto;
 
             await encryptedEvent.attemptDecryption(crypto);

spec/unit/oidc/authorize.spec.ts

@@ -89,11 +89,8 @@ describe("oidc authorization", () => {
 
     describe("generateAuthorizationUrl()", () => {
         it("should generate url with correct parameters", async () => {
-            // test the no crypto case here
-            // @ts-ignore mocking
-            globalThis.crypto.subtle = undefined;
-
             const authorizationParams = generateAuthorizationParams({ redirectUri: baseUrl });
+            authorizationParams.codeVerifier = "test-code-verifier";
             const authUrl = new URL(
                 await generateAuthorizationUrl(authorizationEndpoint, clientId, authorizationParams),
             );
@@ -105,6 +102,18 @@ describe("oidc authorization", () => {
             expect(authUrl.searchParams.get("scope")).toEqual(authorizationParams.scope);
             expect(authUrl.searchParams.get("state")).toEqual(authorizationParams.state);
             expect(authUrl.searchParams.get("nonce")).toEqual(authorizationParams.nonce);
+            expect(authUrl.searchParams.get("code_challenge")).toEqual("0FLIKahrX7kqxncwhV5WD82lu_wi5GA8FsRSLubaOpU");
+        });
+
+        it("should log a warning if crypto is not available", async () => {
+            // test the no crypto case here
+            // @ts-ignore mocking
+            globalThis.crypto.subtle = undefined;
+
+            const authorizationParams = generateAuthorizationParams({ redirectUri: baseUrl });
+            const authUrl = new URL(
+                await generateAuthorizationUrl(authorizationEndpoint, clientId, authorizationParams),
+            );
 
             // crypto not available, plain text code_challenge is used
             expect(authUrl.searchParams.get("code_challenge")).toEqual(authorizationParams.codeVerifier);

spec/unit/rendezvous/ecdhv2.spec.ts

@@ -1,171 +0,0 @@
-/*
-Copyright 2022 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import "../../olm-loader";
-import { LegacyRendezvousFailureReason as RendezvousFailureReason, RendezvousIntent } from "../../../src/rendezvous";
-import { MSC3903ECDHPayload, MSC3903ECDHv2RendezvousChannel } from "../../../src/rendezvous/channels";
-import { decodeBase64 } from "../../../src/base64";
-import { DummyTransport } from "./DummyTransport";
-
-function makeTransport(name: string) {
-    return new DummyTransport<any, MSC3903ECDHPayload>(name, { type: "dummy" });
-}
-
-describe("ECDHv2", function () {
-    beforeAll(async function () {
-        await global.Olm.init();
-    });
-
-    describe("with crypto", () => {
-        it("initiator wants to sign in", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            const aliceCode = await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-            const bob = new MSC3903ECDHv2RendezvousChannel(bobTransport, decodeBase64(aliceCode.rendezvous.key));
-
-            const bobChecksum = await bob.connect();
-            const aliceChecksum = await alice.connect();
-
-            expect(aliceChecksum).toEqual(bobChecksum);
-
-            const message = { key: "xxx" };
-            await alice.send(message);
-            const bobReceive = await bob.receive();
-            expect(bobReceive).toEqual(message);
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await bob.cancel(RendezvousFailureReason.Unknown);
-        });
-
-        it("initiator wants to reciprocate", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            const aliceCode = await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-            const bob = new MSC3903ECDHv2RendezvousChannel(bobTransport, decodeBase64(aliceCode.rendezvous.key));
-
-            const bobChecksum = await bob.connect();
-            const aliceChecksum = await alice.connect();
-
-            expect(aliceChecksum).toEqual(bobChecksum);
-
-            const message = { key: "xxx" };
-            await bob.send(message);
-            const aliceReceive = await alice.receive();
-            expect(aliceReceive).toEqual(message);
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await bob.cancel(RendezvousFailureReason.Unknown);
-        });
-
-        it("double connect", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            const aliceCode = await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-            const bob = new MSC3903ECDHv2RendezvousChannel(bobTransport, decodeBase64(aliceCode.rendezvous.key));
-
-            const bobChecksum = await bob.connect();
-            const aliceChecksum = await alice.connect();
-
-            expect(aliceChecksum).toEqual(bobChecksum);
-
-            await expect(alice.connect()).rejects.toThrow();
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await bob.cancel(RendezvousFailureReason.Unknown);
-        });
-
-        it("closed", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            const aliceCode = await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-            const bob = new MSC3903ECDHv2RendezvousChannel(bobTransport, decodeBase64(aliceCode.rendezvous.key));
-
-            const bobChecksum = await bob.connect();
-            const aliceChecksum = await alice.connect();
-
-            expect(aliceChecksum).toEqual(bobChecksum);
-
-            alice.close();
-
-            await expect(alice.connect()).rejects.toThrow();
-            await expect(alice.send({})).rejects.toThrow();
-            await expect(alice.receive()).rejects.toThrow();
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await bob.cancel(RendezvousFailureReason.Unknown);
-        });
-
-        it("require ciphertext", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            const aliceCode = await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-            const bob = new MSC3903ECDHv2RendezvousChannel(bobTransport, decodeBase64(aliceCode.rendezvous.key));
-
-            const bobChecksum = await bob.connect();
-            const aliceChecksum = await alice.connect();
-
-            expect(aliceChecksum).toEqual(bobChecksum);
-
-            // send a message without encryption
-            await aliceTransport.send({ iv: "dummy", ciphertext: "dummy" });
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await bob.cancel(RendezvousFailureReason.Unknown);
-            await expect(bob.receive()).rejects.toThrow();
-        });
-
-        it("ciphertext before set up", async function () {
-            const aliceTransport = makeTransport("Alice");
-            const bobTransport = makeTransport("Bob");
-            aliceTransport.otherParty = bobTransport;
-            bobTransport.otherParty = aliceTransport;
-
-            // alice is signing in initiates and generates a code
-            const alice = new MSC3903ECDHv2RendezvousChannel(aliceTransport);
-            await alice.generateCode(RendezvousIntent.LOGIN_ON_NEW_DEVICE);
-
-            await bobTransport.send({ iv: "dummy", ciphertext: "dummy" });
-
-            await alice.cancel(RendezvousFailureReason.Unknown);
-            await expect(alice.receive()).rejects.toThrow();
-        });
-    });
-});

spec/unit/rendezvous/rendezvous.spec.ts

@@ -1,712 +0,0 @@
-/*
-Copyright 2022 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import MockHttpBackend from "matrix-mock-request";
-
-import "../../olm-loader";
-import {
-    MSC3906Rendezvous,
-    RendezvousCode,
-    LegacyRendezvousFailureReason as RendezvousFailureReason,
-    RendezvousIntent,
-} from "../../../src/rendezvous";
-import {
-    ECDHv2RendezvousCode as ECDHRendezvousCode,
-    MSC3903ECDHPayload,
-    MSC3903ECDHv2RendezvousChannel as MSC3903ECDHRendezvousChannel,
-} from "../../../src/rendezvous/channels";
-import { Device, MatrixClient } from "../../../src";
-import {
-    MSC3886SimpleHttpRendezvousTransport,
-    MSC3886SimpleHttpRendezvousTransportDetails,
-} from "../../../src/rendezvous/transports";
-import { DummyTransport } from "./DummyTransport";
-import { decodeBase64 } from "../../../src/base64";
-import { logger } from "../../../src/logger";
-import { CrossSigningKey, OwnDeviceKeys } from "../../../src/crypto-api";
-
-type UserID = string;
-type DeviceID = string;
-type Fingerprint = string;
-type SimpleDeviceMap = Record<UserID, Record<DeviceID, Fingerprint>>;
-
-function mockDevice(userId: UserID, deviceId: DeviceID, fingerprint: Fingerprint): Device {
-    return {
-        deviceId,
-        userId,
-        getFingerprint: () => fingerprint,
-    } as unknown as Device;
-}
-
-function mockDeviceMap(
-    userId: UserID,
-    deviceId: DeviceID,
-    deviceKey?: Fingerprint,
-    otherDevices: SimpleDeviceMap = {},
-): Map<string, Map<string, Device>> {
-    const deviceMap: Map<string, Map<string, Device>> = new Map();
-
-    const myDevices: Map<string, Device> = new Map();
-    if (deviceKey) {
-        myDevices.set(deviceId, mockDevice(userId, deviceId, deviceKey));
-    }
-    deviceMap.set(userId, myDevices);
-
-    for (const u in otherDevices) {
-        let userDevices = deviceMap.get(u);
-        if (!userDevices) {
-            userDevices = new Map();
-            deviceMap.set(u, userDevices);
-        }
-        for (const d in otherDevices[u]) {
-            userDevices.set(d, mockDevice(u, d, otherDevices[u][d]));
-        }
-    }
-
-    return deviceMap;
-}
-
-function makeMockClient(opts: {
-    userId: UserID;
-    deviceId: DeviceID;
-    deviceKey?: Fingerprint;
-    getLoginTokenEnabled: boolean;
-    msc3882r0Only: boolean;
-    msc3886Enabled: boolean;
-    devices?: SimpleDeviceMap;
-    verificationFunction?: (
-        userId: string,
-        deviceId: string,
-        verified: boolean,
-        blocked: boolean,
-        known: boolean,
-    ) => void;
-    crossSigningIds?: Partial<Record<CrossSigningKey, string>>;
-}): [MatrixClient, Map<string, Map<string, Device>>] {
-    const deviceMap = mockDeviceMap(opts.userId, opts.deviceId, opts.deviceKey, opts.devices);
-    return [
-        {
-            doesServerSupportUnstableFeature: jest.fn().mockImplementation((feature) => {
-                if (feature === "org.matrix.msc3886") {
-                    return opts.msc3886Enabled;
-                } else if (feature === "org.matrix.msc3882") {
-                    return opts.getLoginTokenEnabled;
-                } else {
-                    return false;
-                }
-            }),
-            getVersions() {
-                return {
-                    unstable_features: {
-                        "org.matrix.msc3882": opts.getLoginTokenEnabled,
-                        "org.matrix.msc3886": opts.msc3886Enabled,
-                    },
-                };
-            },
-            getCachedCapabilities() {
-                return opts.msc3882r0Only
-                    ? {}
-                    : {
-                          capabilities: {
-                              "m.get_login_token": {
-                                  enabled: opts.getLoginTokenEnabled,
-                              },
-                          },
-                      };
-            },
-            getUserId() {
-                return opts.userId;
-            },
-            getSafeUserId() {
-                return opts.userId;
-            },
-            getDeviceId() {
-                return opts.deviceId;
-            },
-            baseUrl: "https://example.com",
-            getCrypto() {
-                return {
-                    getUserDeviceInfo(
-                        [userId]: string[],
-                        downloadUncached?: boolean,
-                    ): Promise<Map<string, Map<string, Device>>> {
-                        return Promise.resolve(deviceMap);
-                    },
-                    getCrossSigningKeyId(key: CrossSigningKey): string | null {
-                        return opts.crossSigningIds?.[key] ?? null;
-                    },
-                    setDeviceVerified(userId: string, deviceId: string, verified: boolean): Promise<void> {
-                        return Promise.resolve();
-                    },
-                    crossSignDevice(deviceId: string): Promise<void> {
-                        return Promise.resolve();
-                    },
-                    getOwnDeviceKeys(): Promise<OwnDeviceKeys> {
-                        return Promise.resolve({
-                            ed25519: opts.deviceKey!,
-                            curve25519: "aaaa",
-                        });
-                    },
-                };
-            },
-        } as unknown as MatrixClient,
-        deviceMap,
-    ];
-}
-
-function makeTransport(name: string, uri = "https://test.rz/123456") {
-    return new DummyTransport<any, MSC3903ECDHPayload>(name, { type: "http.v1", uri });
-}
-
-describe("Rendezvous", function () {
-    beforeAll(async function () {
-        await global.Olm.init();
-    });
-
-    let httpBackend: MockHttpBackend;
-    let fetchFn: typeof global.fetch;
-    let transports: DummyTransport<any, MSC3903ECDHPayload>[];
-    const userId: UserID = "@user:example.com";
-
-    beforeEach(function () {
-        httpBackend = new MockHttpBackend();
-        fetchFn = httpBackend.fetchFn as typeof global.fetch;
-        transports = [];
-    });
-
-    afterEach(function () {
-        transports.forEach((x) => x.cleanup());
-    });
-
-    it("generate and cancel", async function () {
-        const [alice] = makeMockClient({
-            userId,
-            deviceId: "ALICE",
-            msc3886Enabled: false,
-            getLoginTokenEnabled: true,
-            msc3882r0Only: true,
-        });
-        httpBackend.when("POST", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 201,
-                headers: {
-                    location: "https://fallbackserver/rz/123",
-                },
-            },
-        };
-        const aliceTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client: alice,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-
-        expect(aliceRz.code).toBeUndefined();
-
-        const codePromise = aliceRz.generateCode();
-        await httpBackend.flush("");
-
-        await aliceRz.generateCode();
-
-        expect(typeof aliceRz.code).toBe("string");
-
-        await codePromise;
-
-        const code = JSON.parse(aliceRz.code!) as RendezvousCode;
-
-        expect(code.intent).toEqual(RendezvousIntent.RECIPROCATE_LOGIN_ON_EXISTING_DEVICE);
-        expect(code.rendezvous?.algorithm).toEqual("org.matrix.msc3903.rendezvous.v2.curve25519-aes-sha256");
-        expect(code.rendezvous?.transport.type).toEqual("org.matrix.msc3886.http.v1");
-        expect((code.rendezvous?.transport as MSC3886SimpleHttpRendezvousTransportDetails).uri).toEqual(
-            "https://fallbackserver/rz/123",
-        );
-
-        httpBackend.when("DELETE", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 204,
-                headers: {},
-            },
-        };
-
-        const cancelPromise = aliceRz.cancel(RendezvousFailureReason.UserDeclined);
-        await httpBackend.flush("");
-        await expect(cancelPromise).resolves.toBeUndefined();
-        httpBackend.verifyNoOutstandingExpectation();
-        httpBackend.verifyNoOutstandingRequests();
-
-        await aliceRz.close();
-    });
-
-    async function testNoProtocols({
-        getLoginTokenEnabled,
-        msc3882r0Only,
-    }: {
-        getLoginTokenEnabled: boolean;
-        msc3882r0Only: boolean;
-    }) {
-        const aliceTransport = makeTransport("Alice");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const [alice] = makeMockClient({
-            userId,
-            deviceId: "ALICE",
-            msc3886Enabled: false,
-            getLoginTokenEnabled,
-            msc3882r0Only,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.finish",
-                outcome: "unsupported",
-            });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-    }
-
-    it("no protocols - r0", async function () {
-        await testNoProtocols({ getLoginTokenEnabled: false, msc3882r0Only: true });
-    });
-
-    it("no protocols - stable", async function () {
-        await testNoProtocols({ getLoginTokenEnabled: false, msc3882r0Only: false });
-    });
-
-    it("new device declines protocol with outcome unsupported", async function () {
-        const aliceTransport = makeTransport("Alice", "https://test.rz/123456");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const [alice] = makeMockClient({
-            userId,
-            deviceId: "ALICE",
-            getLoginTokenEnabled: true,
-            msc3882r0Only: false,
-            msc3886Enabled: false,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.progress",
-                protocols: ["org.matrix.msc3906.login_token"],
-            });
-
-            await bobEcdh.send({ type: "m.login.finish", outcome: "unsupported" });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-
-        expect(aliceOnFailure).toHaveBeenCalledWith(RendezvousFailureReason.UnsupportedAlgorithm);
-    });
-
-    it("new device requests an invalid protocol", async function () {
-        const aliceTransport = makeTransport("Alice", "https://test.rz/123456");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const [alice] = makeMockClient({
-            userId,
-            deviceId: "ALICE",
-            getLoginTokenEnabled: true,
-            msc3882r0Only: false,
-            msc3886Enabled: false,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.progress",
-                protocols: ["org.matrix.msc3906.login_token"],
-            });
-
-            await bobEcdh.send({ type: "m.login.progress", protocol: "bad protocol" });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-
-        expect(aliceOnFailure).toHaveBeenCalledWith(RendezvousFailureReason.UnsupportedAlgorithm);
-    });
-
-    it("decline on existing device", async function () {
-        const aliceTransport = makeTransport("Alice", "https://test.rz/123456");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const [alice] = makeMockClient({
-            userId: "alice",
-            deviceId: "ALICE",
-            getLoginTokenEnabled: true,
-            msc3882r0Only: false,
-            msc3886Enabled: false,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.progress",
-                protocols: ["org.matrix.msc3906.login_token"],
-            });
-
-            await bobEcdh.send({ type: "m.login.progress", protocol: "org.matrix.msc3906.login_token" });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-
-        await aliceRz.declineLoginOnExistingDevice();
-        const loginToken = await bobEcdh.receive();
-        expect(loginToken).toEqual({ type: "m.login.finish", outcome: "declined" });
-    });
-
-    it("approve on existing device + no verification", async function () {
-        const aliceTransport = makeTransport("Alice", "https://test.rz/123456");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const [alice] = makeMockClient({
-            userId: "alice",
-            deviceId: "ALICE",
-            getLoginTokenEnabled: true,
-            msc3882r0Only: false,
-            msc3886Enabled: false,
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.progress",
-                protocols: ["org.matrix.msc3906.login_token"],
-            });
-
-            await bobEcdh.send({ type: "m.login.progress", protocol: "org.matrix.msc3906.login_token" });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-
-        const confirmProm = aliceRz.approveLoginOnExistingDevice("token");
-
-        const bobCompleteProm = (async () => {
-            const loginToken = await bobEcdh.receive();
-            expect(loginToken).toEqual({ type: "m.login.progress", login_token: "token", homeserver: alice.baseUrl });
-            await bobEcdh.send({ type: "m.login.finish", outcome: "success" });
-        })();
-
-        await confirmProm;
-        await bobCompleteProm;
-    });
-
-    async function completeLogin(devices: SimpleDeviceMap) {
-        const aliceTransport = makeTransport("Alice", "https://test.rz/123456");
-        const bobTransport = makeTransport("Bob", "https://test.rz/999999");
-        transports.push(aliceTransport, bobTransport);
-        aliceTransport.otherParty = bobTransport;
-        bobTransport.otherParty = aliceTransport;
-
-        // alice is already signs in and generates a code
-        const aliceOnFailure = jest.fn();
-        const aliceVerification = jest.fn();
-        const [alice, deviceMap] = makeMockClient({
-            userId,
-            deviceId: "ALICE",
-            getLoginTokenEnabled: true,
-            msc3882r0Only: false,
-            msc3886Enabled: false,
-            devices,
-            deviceKey: "aaaa",
-            verificationFunction: aliceVerification,
-            crossSigningIds: {
-                master: "mmmmm",
-            },
-        });
-        const aliceEcdh = new MSC3903ECDHRendezvousChannel(aliceTransport, undefined, aliceOnFailure);
-        const aliceRz = new MSC3906Rendezvous(aliceEcdh, alice);
-        aliceTransport.onCancelled = aliceOnFailure;
-        await aliceRz.generateCode();
-        const code = JSON.parse(aliceRz.code!) as ECDHRendezvousCode;
-
-        expect(code.rendezvous.key).toBeDefined();
-
-        const aliceStartProm = aliceRz.startAfterShowingCode();
-
-        // bob is try to sign in and scans the code
-        const bobOnFailure = jest.fn();
-        const bobEcdh = new MSC3903ECDHRendezvousChannel(
-            bobTransport,
-            decodeBase64(code.rendezvous.key), // alice's public key
-            bobOnFailure,
-        );
-
-        const bobStartPromise = (async () => {
-            const bobChecksum = await bobEcdh.connect();
-            logger.info(`Bob checksums is ${bobChecksum} now sending intent`);
-            // await bobEcdh.send({ type: 'm.login.progress', intent: RendezvousIntent.LOGIN_ON_NEW_DEVICE });
-
-            // wait for protocols
-            logger.info("Bob waiting for protocols");
-            const protocols = await bobEcdh.receive();
-
-            logger.info(`Bob protocols: ${JSON.stringify(protocols)}`);
-
-            expect(protocols).toEqual({
-                type: "m.login.progress",
-                protocols: ["org.matrix.msc3906.login_token"],
-            });
-
-            await bobEcdh.send({ type: "m.login.progress", protocol: "org.matrix.msc3906.login_token" });
-        })();
-
-        await aliceStartProm;
-        await bobStartPromise;
-
-        const confirmProm = aliceRz.approveLoginOnExistingDevice("token");
-
-        const bobLoginProm = (async () => {
-            const loginToken = await bobEcdh.receive();
-            expect(loginToken).toEqual({ type: "m.login.progress", login_token: "token", homeserver: alice.baseUrl });
-            await bobEcdh.send({ type: "m.login.finish", outcome: "success", device_id: "BOB", device_key: "bbbb" });
-        })();
-
-        expect(await confirmProm).toEqual("BOB");
-        await bobLoginProm;
-
-        return {
-            aliceTransport,
-            aliceEcdh,
-            aliceRz,
-            bobTransport,
-            bobEcdh,
-            deviceMap,
-        };
-    }
-
-    it("approve on existing device + verification", async function () {
-        const { bobEcdh, aliceRz } = await completeLogin({
-            [userId]: {
-                BOB: "bbbb",
-            },
-        });
-        const verifyProm = aliceRz.verifyNewDeviceOnExistingDevice();
-
-        const bobVerifyProm = (async () => {
-            const verified = await bobEcdh.receive();
-            expect(verified).toEqual({
-                type: "m.login.finish",
-                outcome: "verified",
-                verifying_device_id: "ALICE",
-                verifying_device_key: "aaaa",
-                master_key: "mmmmm",
-            });
-        })();
-
-        await verifyProm;
-        await bobVerifyProm;
-    });
-
-    it("device not online within timeout", async function () {
-        const { aliceRz } = await completeLogin({});
-        await expect(aliceRz.verifyNewDeviceOnExistingDevice(1000)).rejects.toThrow();
-    });
-
-    it("device appears online within timeout", async function () {
-        const devices: SimpleDeviceMap = {};
-        const { aliceRz, deviceMap } = await completeLogin(devices);
-        // device appears before the timeout
-        setTimeout(() => {
-            deviceMap.get(userId)!.set("BOB", mockDevice(userId, "BOB", "bbbb"));
-        }, 1000);
-        await aliceRz.verifyNewDeviceOnExistingDevice(2000);
-    });
-
-    it("device appears online after timeout", async function () {
-        const devices: SimpleDeviceMap = {};
-        const { aliceRz, deviceMap } = await completeLogin(devices);
-        // device appears after the timeout
-        setTimeout(() => {
-            deviceMap.get(userId)!.set("BOB", mockDevice(userId, "BOB", "bbbb"));
-        }, 1500);
-        await expect(aliceRz.verifyNewDeviceOnExistingDevice(1000)).rejects.toThrow();
-    });
-
-    it("mismatched device key", async function () {
-        const { aliceRz } = await completeLogin({
-            [userId]: {
-                BOB: "XXXX",
-            },
-        });
-        await expect(aliceRz.verifyNewDeviceOnExistingDevice(1000)).rejects.toThrow(/different key/);
-    });
-});

spec/unit/rendezvous/simpleHttpTransport.spec.ts

@@ -1,453 +0,0 @@
-/*
-Copyright 2022 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import MockHttpBackend from "matrix-mock-request";
-
-import type { MatrixClient } from "../../../src";
-import { LegacyRendezvousFailureReason as RendezvousFailureReason } from "../../../src/rendezvous";
-import { MSC3886SimpleHttpRendezvousTransport } from "../../../src/rendezvous/transports";
-
-function makeMockClient(opts: { userId: string; deviceId: string; msc3886Enabled: boolean }): MatrixClient {
-    return {
-        doesServerSupportUnstableFeature(feature: string) {
-            return Promise.resolve(opts.msc3886Enabled && feature === "org.matrix.msc3886");
-        },
-        getUserId() {
-            return opts.userId;
-        },
-        getDeviceId() {
-            return opts.deviceId;
-        },
-        requestLoginToken() {
-            return Promise.resolve({ login_token: "token" });
-        },
-        baseUrl: "https://example.com",
-    } as unknown as MatrixClient;
-}
-
-describe("SimpleHttpRendezvousTransport", function () {
-    let httpBackend: MockHttpBackend;
-    let fetchFn: typeof global.fetch;
-
-    beforeEach(function () {
-        httpBackend = new MockHttpBackend();
-        fetchFn = httpBackend.fetchFn as typeof global.fetch;
-    });
-
-    async function postAndCheckLocation(
-        msc3886Enabled: boolean,
-        fallbackRzServer: string,
-        locationResponse: string,
-        expectedFinalLocation: string,
-    ) {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({ client, fallbackRzServer, fetchFn });
-        {
-            // initial POST
-            const expectedPostLocation = msc3886Enabled
-                ? `${client.baseUrl}/_matrix/client/unstable/org.matrix.msc3886/rendezvous`
-                : fallbackRzServer;
-
-            const prom = simpleHttpTransport.send({});
-            httpBackend.when("POST", expectedPostLocation).response = {
-                body: null,
-                response: {
-                    statusCode: 201,
-                    headers: {
-                        location: locationResponse,
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            await prom;
-        }
-        const details = await simpleHttpTransport.details();
-        expect(details.uri).toBe(expectedFinalLocation);
-
-        {
-            // first GET without etag
-            const prom = simpleHttpTransport.receive();
-            httpBackend.when("GET", expectedFinalLocation).response = {
-                body: {},
-                response: {
-                    statusCode: 200,
-                    headers: {
-                        "content-type": "application/json",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            expect(await prom).toEqual({});
-            httpBackend.verifyNoOutstandingRequests();
-            httpBackend.verifyNoOutstandingExpectation();
-        }
-    }
-    it("should throw an error when no server available", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({ client, fetchFn });
-        await expect(simpleHttpTransport.send({})).rejects.toThrow("Invalid rendezvous URI");
-    });
-
-    it("POST to fallback server", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        const prom = simpleHttpTransport.send({});
-        httpBackend.when("POST", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 201,
-                headers: {
-                    location: "https://fallbackserver/rz/123",
-                },
-            },
-        };
-        await httpBackend.flush("");
-        expect(await prom).toStrictEqual(undefined);
-    });
-
-    it("POST with no location", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        const prom = simpleHttpTransport.send({});
-        httpBackend.when("POST", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 201,
-                headers: {},
-            },
-        };
-        await Promise.all([expect(prom).rejects.toThrow(), httpBackend.flush("")]);
-    });
-
-    it("POST with absolute path response", async function () {
-        await postAndCheckLocation(false, "https://fallbackserver/rz", "/123", "https://fallbackserver/123");
-    });
-
-    it("POST to built-in MSC3886 implementation", async function () {
-        await postAndCheckLocation(
-            true,
-            "https://fallbackserver/rz",
-            "123",
-            "https://example.com/_matrix/client/unstable/org.matrix.msc3886/rendezvous/123",
-        );
-    });
-
-    it("POST with relative path response including parent", async function () {
-        await postAndCheckLocation(
-            false,
-            "https://fallbackserver/rz/abc",
-            "../xyz/123",
-            "https://fallbackserver/rz/xyz/123",
-        );
-    });
-
-    it("POST to follow 307 to other server", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        const prom = simpleHttpTransport.send({});
-        httpBackend.when("POST", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 307,
-                headers: {
-                    location: "https://redirected.fallbackserver/rz",
-                },
-            },
-        };
-        httpBackend.when("POST", "https://redirected.fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 201,
-                headers: {
-                    location: "https://redirected.fallbackserver/rz/123",
-                    etag: "aaa",
-                },
-            },
-        };
-        await httpBackend.flush("");
-        expect(await prom).toStrictEqual(undefined);
-    });
-
-    it("POST and GET", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        {
-            // initial POST
-            const prom = simpleHttpTransport.send({ foo: "baa" });
-            httpBackend.when("POST", "https://fallbackserver/rz").check(({ headers, data }) => {
-                expect(headers["content-type"]).toEqual("application/json");
-                expect(data).toEqual({ foo: "baa" });
-            }).response = {
-                body: null,
-                response: {
-                    statusCode: 201,
-                    headers: {
-                        location: "https://fallbackserver/rz/123",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            expect(await prom).toStrictEqual(undefined);
-        }
-        {
-            // first GET without etag
-            const prom = simpleHttpTransport.receive();
-            httpBackend.when("GET", "https://fallbackserver/rz/123").response = {
-                body: { foo: "baa" },
-                response: {
-                    statusCode: 200,
-                    headers: {
-                        "content-type": "application/json",
-                        "etag": "aaa",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            expect(await prom).toEqual({ foo: "baa" });
-        }
-        {
-            // subsequent GET which should have etag from previous request
-            const prom = simpleHttpTransport.receive();
-            httpBackend.when("GET", "https://fallbackserver/rz/123").check(({ headers }) => {
-                expect(headers["if-none-match"]).toEqual("aaa");
-            }).response = {
-                body: { foo: "baa" },
-                response: {
-                    statusCode: 200,
-                    headers: {
-                        "content-type": "application/json",
-                        "etag": "bbb",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            expect(await prom).toEqual({ foo: "baa" });
-        }
-    });
-
-    it("POST and PUTs", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        {
-            // initial POST
-            const prom = simpleHttpTransport.send({ foo: "baa" });
-            httpBackend.when("POST", "https://fallbackserver/rz").check(({ headers, data }) => {
-                expect(headers["content-type"]).toEqual("application/json");
-                expect(data).toEqual({ foo: "baa" });
-            }).response = {
-                body: null,
-                response: {
-                    statusCode: 201,
-                    headers: {
-                        location: "https://fallbackserver/rz/123",
-                    },
-                },
-            };
-            await httpBackend.flush("", 1);
-            await prom;
-        }
-        {
-            // first PUT without etag
-            const prom = simpleHttpTransport.send({ a: "b" });
-            httpBackend.when("PUT", "https://fallbackserver/rz/123").check(({ headers, data }) => {
-                expect(headers["if-match"]).toBeUndefined();
-                expect(data).toEqual({ a: "b" });
-            }).response = {
-                body: null,
-                response: {
-                    statusCode: 202,
-                    headers: {
-                        etag: "aaa",
-                    },
-                },
-            };
-            await httpBackend.flush("", 1);
-            await prom;
-        }
-        {
-            // subsequent PUT which should have etag from previous request
-            const prom = simpleHttpTransport.send({ c: "d" });
-            httpBackend.when("PUT", "https://fallbackserver/rz/123").check(({ headers }) => {
-                expect(headers["if-match"]).toEqual("aaa");
-            }).response = {
-                body: null,
-                response: {
-                    statusCode: 202,
-                    headers: {
-                        etag: "bbb",
-                    },
-                },
-            };
-            await httpBackend.flush("", 1);
-            await prom;
-        }
-    });
-
-    it("POST and DELETE", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        {
-            // Create
-            const prom = simpleHttpTransport.send({ foo: "baa" });
-            httpBackend.when("POST", "https://fallbackserver/rz").check(({ headers, data }) => {
-                expect(headers["content-type"]).toEqual("application/json");
-                expect(data).toEqual({ foo: "baa" });
-            }).response = {
-                body: null,
-                response: {
-                    statusCode: 201,
-                    headers: {
-                        location: "https://fallbackserver/rz/123",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            expect(await prom).toStrictEqual(undefined);
-        }
-        {
-            // Cancel
-            const prom = simpleHttpTransport.cancel(RendezvousFailureReason.UserDeclined);
-            httpBackend.when("DELETE", "https://fallbackserver/rz/123").response = {
-                body: null,
-                response: {
-                    statusCode: 204,
-                    headers: {},
-                },
-            };
-            await httpBackend.flush("");
-            await prom;
-        }
-    });
-
-    it("details before ready", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        await expect(simpleHttpTransport.details()).rejects.toThrow();
-    });
-
-    it("send after cancelled", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        await simpleHttpTransport.cancel(RendezvousFailureReason.UserDeclined);
-        await expect(simpleHttpTransport.send({})).resolves.toBeUndefined();
-    });
-
-    it("receive before ready", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-        });
-        await expect(simpleHttpTransport.receive()).rejects.toThrow();
-    });
-
-    it("404 failure callback", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const onFailure = jest.fn();
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-            onFailure,
-        });
-
-        httpBackend.when("POST", "https://fallbackserver/rz").response = {
-            body: null,
-            response: {
-                statusCode: 404,
-                headers: {},
-            },
-        };
-        await Promise.all([
-            expect(simpleHttpTransport.send({ foo: "baa" })).resolves.toBeUndefined(),
-            httpBackend.flush("", 1),
-        ]);
-        expect(onFailure).toHaveBeenCalledWith(RendezvousFailureReason.Unknown);
-    });
-
-    it("404 failure callback mapped to expired", async function () {
-        const client = makeMockClient({ userId: "@alice:example.com", deviceId: "DEVICEID", msc3886Enabled: false });
-        const onFailure = jest.fn();
-        const simpleHttpTransport = new MSC3886SimpleHttpRendezvousTransport({
-            client,
-            fallbackRzServer: "https://fallbackserver/rz",
-            fetchFn,
-            onFailure,
-        });
-
-        {
-            // initial POST
-            const prom = simpleHttpTransport.send({ foo: "baa" });
-            httpBackend.when("POST", "https://fallbackserver/rz").response = {
-                body: null,
-                response: {
-                    statusCode: 201,
-                    headers: {
-                        location: "https://fallbackserver/rz/123",
-                        expires: "Thu, 01 Jan 1970 00:00:00 GMT",
-                    },
-                },
-            };
-            await httpBackend.flush("");
-            await prom;
-        }
-        {
-            // GET with 404 to simulate expiry
-            httpBackend.when("GET", "https://fallbackserver/rz/123").response = {
-                body: { foo: "baa" },
-                response: {
-                    statusCode: 404,
-                    headers: {},
-                },
-            };
-            await Promise.all([expect(simpleHttpTransport.receive()).resolves.toBeUndefined(), httpBackend.flush("")]);
-            expect(onFailure).toHaveBeenCalledWith(RendezvousFailureReason.Expired);
-        }
-    });
-});

spec/unit/rust-crypto/OutgoingRequestProcessor.spec.ts

@@ -208,7 +208,7 @@ describe("OutgoingRequestProcessor", () => {
         const outgoingRequest = new UploadSigningKeysRequest(JSON.stringify(testReq));
 
         // also create a UIA callback
-        const authCallback: UIAuthCallback<Object> = async (makeRequest) => {
+        const authCallback: UIAuthCallback<object> = async (makeRequest) => {
             return await makeRequest({ type: "test" });
         };
 
@@ -458,7 +458,7 @@ describe("OutgoingRequestProcessor", () => {
                     throw new Error("Failed to fetch");
                 }
             });
-            const authCallback: UIAuthCallback<Object> = async (makeRequest) => {
+            const authCallback: UIAuthCallback<object> = async (makeRequest) => {
                 return await makeRequest({ type: "test" });
             };
             const requestPromise = processor.makeOutgoingRequest(outgoingRequest, authCallback);

spec/unit/rust-crypto/PerSessionKeyBackupDownloader.spec.ts

@@ -26,7 +26,6 @@ import { RustBackupCryptoEventMap, RustBackupCryptoEvents, RustBackupManager } f
 import * as TestData from "../../test-utils/test-data";
 import {
     ConnectionError,
-    CryptoEvent,
     HttpApiEvent,
     HttpApiEventHandlerMap,
     IHttpOpts,
@@ -37,6 +36,7 @@ import {
 import * as testData from "../../test-utils/test-data";
 import { BackupDecryptor } from "../../../src/common-crypto/CryptoBackend";
 import { KeyBackupSession } from "../../../src/crypto-api/keybackup";
+import { CryptoEvent } from "../../../src/crypto-api/index.ts";
 
 describe("PerSessionKeyBackupDownloader", () => {
     /** The downloader under test */

spec/unit/rust-crypto/RoomEncryptor.spec.ts

@@ -17,6 +17,7 @@
  */
 
 import {
+    CollectStrategy,
     Curve25519PublicKey,
     Ed25519PublicKey,
     HistoryVisibility as RustHistoryVisibility,
@@ -31,6 +32,7 @@ import { KeyClaimManager } from "../../../src/rust-crypto/KeyClaimManager";
 import { defer } from "../../../src/utils";
 import { OutgoingRequestsManager } from "../../../src/rust-crypto/OutgoingRequestsManager";
 import { KnownMembership } from "../../../src/@types/membership";
+import { DeviceIsolationMode, AllDevicesIsolationMode, OnlySignedDevicesIsolationMode } from "../../../src/crypto-api";
 
 describe("RoomEncryptor", () => {
     describe("History Visibility", () => {
@@ -99,7 +101,7 @@ describe("RoomEncryptor", () => {
                 getEncryptionTargetMembers: jest.fn().mockReturnValue([mockRoomMember]),
                 shouldEncryptForInvitedMembers: jest.fn().mockReturnValue(true),
                 getHistoryVisibility: jest.fn().mockReturnValue(HistoryVisibility.Invited),
-                getBlacklistUnverifiedDevices: jest.fn().mockReturnValue(false),
+                getBlacklistUnverifiedDevices: jest.fn().mockReturnValue(null),
             } as unknown as Mocked<Room>;
 
             roomEncryptor = new RoomEncryptor(
@@ -111,6 +113,8 @@ describe("RoomEncryptor", () => {
             );
         });
 
+        const defaultDevicesIsolationMode = new AllDevicesIsolationMode(false);
+
         it("should ensure that there is only one shareRoomKey at a time", async () => {
             const deferredShare = defer<void>();
             const insideOlmShareRoom = defer<void>();
@@ -120,19 +124,19 @@ describe("RoomEncryptor", () => {
                 await deferredShare.promise;
             });
 
-            roomEncryptor.prepareForEncryption(false);
+            roomEncryptor.prepareForEncryption(false, defaultDevicesIsolationMode);
             await insideOlmShareRoom.promise;
 
             // call several times more
-            roomEncryptor.prepareForEncryption(false);
-            roomEncryptor.encryptEvent(createMockEvent("Hello"), false);
-            roomEncryptor.prepareForEncryption(false);
-            roomEncryptor.encryptEvent(createMockEvent("World"), false);
+            roomEncryptor.prepareForEncryption(false, defaultDevicesIsolationMode);
+            roomEncryptor.encryptEvent(createMockEvent("Hello"), false, defaultDevicesIsolationMode);
+            roomEncryptor.prepareForEncryption(false, defaultDevicesIsolationMode);
+            roomEncryptor.encryptEvent(createMockEvent("World"), false, defaultDevicesIsolationMode);
 
             expect(mockOlmMachine.shareRoomKey).toHaveBeenCalledTimes(1);
 
             deferredShare.resolve();
-            await roomEncryptor.prepareForEncryption(false);
+            await roomEncryptor.prepareForEncryption(false, defaultDevicesIsolationMode);
 
             // should have been called again
             expect(mockOlmMachine.shareRoomKey).toHaveBeenCalledTimes(6);
@@ -158,8 +162,16 @@ describe("RoomEncryptor", () => {
 
             let firstMessageFinished: string | null = null;
 
-            const firstRequest = roomEncryptor.encryptEvent(createMockEvent("Hello"), false);
-            const secondRequest = roomEncryptor.encryptEvent(createMockEvent("Edit of Hello"), false);
+            const firstRequest = roomEncryptor.encryptEvent(
+                createMockEvent("Hello"),
+                false,
+                defaultDevicesIsolationMode,
+            );
+            const secondRequest = roomEncryptor.encryptEvent(
+                createMockEvent("Edit of Hello"),
+                false,
+                defaultDevicesIsolationMode,
+            );
 
             firstRequest.then(() => {
                 if (firstMessageFinished === null) {
@@ -181,5 +193,96 @@ describe("RoomEncryptor", () => {
 
             expect(firstMessageFinished).toBe("hello");
         });
+
+        describe("DeviceIsolationMode", () => {
+            type TestCase = [
+                string,
+                {
+                    mode: DeviceIsolationMode;
+                    expectedStrategy: CollectStrategy;
+                    globalBlacklistUnverifiedDevices: boolean;
+                },
+            ];
+
+            const testCases: TestCase[] = [
+                [
+                    "Share AllDevicesIsolationMode",
+                    {
+                        mode: new AllDevicesIsolationMode(false),
+                        expectedStrategy: CollectStrategy.deviceBasedStrategy(false, false),
+                        globalBlacklistUnverifiedDevices: false,
+                    },
+                ],
+                [
+                    "Share AllDevicesIsolationMode - with blacklist unverified",
+                    {
+                        mode: new AllDevicesIsolationMode(false),
+                        expectedStrategy: CollectStrategy.deviceBasedStrategy(true, false),
+                        globalBlacklistUnverifiedDevices: true,
+                    },
+                ],
+                [
+                    "Share OnlySigned - blacklist true",
+                    {
+                        mode: new OnlySignedDevicesIsolationMode(),
+                        expectedStrategy: CollectStrategy.identityBasedStrategy(),
+                        globalBlacklistUnverifiedDevices: true,
+                    },
+                ],
+                [
+                    "Share OnlySigned",
+                    {
+                        mode: new OnlySignedDevicesIsolationMode(),
+                        expectedStrategy: CollectStrategy.identityBasedStrategy(),
+                        globalBlacklistUnverifiedDevices: false,
+                    },
+                ],
+                [
+                    "Share AllDevicesIsolationMode - Verified user problems true",
+                    {
+                        mode: new AllDevicesIsolationMode(true),
+                        expectedStrategy: CollectStrategy.deviceBasedStrategy(false, true),
+                        globalBlacklistUnverifiedDevices: false,
+                    },
+                ],
+                [
+                    'Share AllDevicesIsolationMode - with blacklist unverified - Verified user problems true"',
+                    {
+                        mode: new AllDevicesIsolationMode(true),
+                        expectedStrategy: CollectStrategy.deviceBasedStrategy(true, true),
+                        globalBlacklistUnverifiedDevices: true,
+                    },
+                ],
+            ];
+
+            let capturedSettings: CollectStrategy | undefined = undefined;
+
+            beforeEach(() => {
+                capturedSettings = undefined;
+                mockOlmMachine.shareRoomKey.mockImplementationOnce(async (roomId, users, encryptionSettings) => {
+                    capturedSettings = encryptionSettings.sharingStrategy;
+                });
+            });
+
+            it.each(testCases)(
+                "prepareForEncryption should properly set sharing strategy based on crypto mode: %s",
+                async (_, { mode, expectedStrategy, globalBlacklistUnverifiedDevices }) => {
+                    await roomEncryptor.prepareForEncryption(globalBlacklistUnverifiedDevices, mode);
+                    expect(mockOlmMachine.shareRoomKey).toHaveBeenCalled();
+                    expect(capturedSettings).toBeDefined();
+                    expect(expectedStrategy.eq(capturedSettings!)).toBeTruthy();
+                },
+            );
+
+            it.each(testCases)(
+                "encryptEvent should properly set sharing strategy based on crypto mode: %s",
+                async (_, { mode, expectedStrategy, globalBlacklistUnverifiedDevices }) => {
+                    await roomEncryptor.encryptEvent(createMockEvent("Hello"), globalBlacklistUnverifiedDevices, mode);
+                    expect(mockOlmMachine.shareRoomKey).toHaveBeenCalled();
+                    expect(capturedSettings).toBeDefined();
+                    expect(expectedStrategy.eq(capturedSettings!)).toBeTruthy();
+                },
+            );
+        });
     });
 });

spec/unit/rust-crypto/backup.spec.ts

@@ -2,7 +2,8 @@ import { Mocked } from "jest-mock";
 import fetchMock from "fetch-mock-jest";
 import * as RustSdkCryptoJs from "@matrix-org/matrix-sdk-crypto-wasm";
 
-import { CryptoEvent, HttpApiEvent, HttpApiEventHandlerMap, MatrixHttpApi, TypedEventEmitter } from "../../../src";
+import { HttpApiEvent, HttpApiEventHandlerMap, MatrixHttpApi, TypedEventEmitter } from "../../../src";
+import { CryptoEvent } from "../../../src/crypto-api/index.ts";
 import { OutgoingRequestProcessor } from "../../../src/rust-crypto/OutgoingRequestProcessor";
 import * as testData from "../../test-utils/test-data";
 import * as TestData from "../../test-utils/test-data";

spec/unit/rust-crypto/rust-crypto.spec.ts

@@ -30,7 +30,6 @@ import fetchMock from "fetch-mock-jest";
 import { RustCrypto } from "../../../src/rust-crypto/rust-crypto";
 import { initRustCrypto } from "../../../src/rust-crypto";
 import {
-    CryptoEvent,
     Device,
     DeviceVerification,
     encodeBase64,
@@ -69,8 +68,9 @@ import { logger } from "../../../src/logger";
 import { OutgoingRequestsManager } from "../../../src/rust-crypto/OutgoingRequestsManager";
 import { ClientEvent, ClientEventHandlerMap } from "../../../src/client";
 import { Curve25519AuthData } from "../../../src/crypto-api/keybackup";
-import { encryptAES } from "../../../src/crypto/aes";
+import encryptAESSecretStorageItem from "../../../src/utils/encryptAESSecretStorageItem.ts";
 import { CryptoStore, SecretStorePrivateKeys } from "../../../src/crypto/store/base";
+import { CryptoEvent } from "../../../src/crypto-api/index.ts";
 
 const TEST_USER = "@alice:example.com";
 const TEST_DEVICE_ID = "TEST_DEVICE";
@@ -95,6 +95,7 @@ describe("initRustCrypto", () => {
             deleteSecretsFromInbox: jest.fn(),
             registerReceiveSecretCallback: jest.fn(),
             registerDevicesUpdatedCallback: jest.fn(),
+            registerRoomKeysWithheldCallback: jest.fn(),
             outgoingRequests: jest.fn(),
             isBackupEnabled: jest.fn().mockResolvedValue(false),
             verifyBackup: jest.fn().mockResolvedValue({ trusted: jest.fn().mockReturnValue(false) }),
@@ -424,7 +425,7 @@ describe("initRustCrypto", () => {
         }, 10000);
 
         async function encryptAndStoreSecretKey(type: string, key: Uint8Array, pickleKey: string, store: CryptoStore) {
-            const encryptedKey = await encryptAES(encodeBase64(key), Buffer.from(pickleKey), type);
+            const encryptedKey = await encryptAESSecretStorageItem(encodeBase64(key), Buffer.from(pickleKey), type);
             store.storeSecretStorePrivateKey(undefined, type as keyof SecretStorePrivateKeys, encryptedKey);
         }
 
@@ -1361,13 +1362,52 @@ describe("RustCrypto", () => {
         });
 
         it("returns a verified UserVerificationStatus when the UserIdentity is verified", async () => {
-            olmMachine.getIdentity.mockResolvedValue({ free: jest.fn(), isVerified: jest.fn().mockReturnValue(true) });
+            olmMachine.getIdentity.mockResolvedValue({
+                free: jest.fn(),
+                isVerified: jest.fn().mockReturnValue(true),
+                wasPreviouslyVerified: jest.fn().mockReturnValue(true),
+            });
 
             const userVerificationStatus = await rustCrypto.getUserVerificationStatus(testData.TEST_USER_ID);
             expect(userVerificationStatus.isVerified()).toBeTruthy();
             expect(userVerificationStatus.isTofu()).toBeFalsy();
             expect(userVerificationStatus.isCrossSigningVerified()).toBeTruthy();
-            expect(userVerificationStatus.wasCrossSigningVerified()).toBeFalsy();
+            expect(userVerificationStatus.wasCrossSigningVerified()).toBeTruthy();
+        });
+    });
+
+    describe("pinCurrentIdentity", () => {
+        let rustCrypto: RustCrypto;
+        let olmMachine: Mocked<RustSdkCryptoJs.OlmMachine>;
+
+        beforeEach(() => {
+            olmMachine = {
+                getIdentity: jest.fn(),
+            } as unknown as Mocked<RustSdkCryptoJs.OlmMachine>;
+            rustCrypto = new RustCrypto(
+                logger,
+                olmMachine,
+                {} as MatrixClient["http"],
+                TEST_USER,
+                TEST_DEVICE_ID,
+                {} as ServerSideSecretStorage,
+                {} as CryptoCallbacks,
+            );
+        });
+
+        it("throws an error for an unknown user", async () => {
+            await expect(rustCrypto.pinCurrentUserIdentity("@alice:example.com")).rejects.toThrow(
+                "Cannot pin identity of unknown user",
+            );
+        });
+
+        it("throws an error for our own user", async () => {
+            const ownIdentity = new RustSdkCryptoJs.OwnUserIdentity();
+            olmMachine.getIdentity.mockResolvedValue(ownIdentity);
+
+            await expect(rustCrypto.pinCurrentUserIdentity("@alice:example.com")).rejects.toThrow(
+                "Cannot pin identity of own user",
+            );
         });
     });
 
@@ -1553,6 +1593,124 @@ describe("RustCrypto", () => {
             await expect(rustCrypto.exportSecretsBundle()).resolves.toEqual(expect.objectContaining(bundle));
         });
     });
+
+    describe("encryptToDeviceMessages", () => {
+        let rustCrypto: RustCrypto;
+        let testOlmMachine: RustSdkCryptoJs.OlmMachine;
+
+        beforeEach(async () => {
+            testOlmMachine = await OlmMachine.initialize(
+                new RustSdkCryptoJs.UserId(testData.TEST_USER_ID),
+                new RustSdkCryptoJs.DeviceId(testData.TEST_DEVICE_ID),
+            );
+            jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
+            rustCrypto = await makeTestRustCrypto();
+            expect(OlmMachine.initFromStore).toHaveBeenCalled();
+        });
+
+        afterEach(() => {
+            testOlmMachine?.free();
+        });
+
+        const payload = { hello: "world" };
+
+        it("returns empty batch if devices not known", async () => {
+            const getMissingSessions = jest.spyOn(testOlmMachine, "getMissingSessions");
+            const getDevice = jest.spyOn(testOlmMachine, "getDevice");
+            const batch = await rustCrypto.encryptToDeviceMessages(
+                "m.test.type",
+                [
+                    { deviceId: "AAA", userId: "@user1:domain" },
+                    { deviceId: "BBB", userId: "@user1:domain" },
+                    { deviceId: "CCC", userId: "@user2:domain" },
+                ],
+                payload,
+            );
+            expect(getMissingSessions.mock.calls[0][0].length).toBe(2);
+            expect(getDevice).toHaveBeenCalledTimes(3);
+            expect(batch?.eventType).toEqual("m.room.encrypted");
+            expect(batch?.batch).toEqual([]);
+        });
+
+        it("returns encrypted batch for known devices", async () => {
+            // Make m aware of another device, and get some OTK to be able to establish a session.
+            await testOlmMachine.markRequestAsSent(
+                "foo",
+                RustSdkCryptoJs.RequestType.KeysQuery,
+                JSON.stringify({
+                    device_keys: {
+                        "@example:localhost": {
+                            AFGUOBTZWM: {
+                                algorithms: ["m.olm.v1.curve25519-aes-sha2", "m.megolm.v1.aes-sha2"],
+                                device_id: "AFGUOBTZWM",
+                                keys: {
+                                    "curve25519:AFGUOBTZWM": "boYjDpaC+7NkECQEeMh5dC+I1+AfriX0VXG2UV7EUQo",
+                                    "ed25519:AFGUOBTZWM": "NayrMQ33ObqMRqz6R9GosmHdT6HQ6b/RX/3QlZ2yiec",
+                                },
+                                signatures: {
+                                    "@example:localhost": {
+                                        "ed25519:AFGUOBTZWM":
+                                            "RoSWvru1jj6fs2arnTedWsyIyBmKHMdOu7r9gDi0BZ61h9SbCK2zLXzuJ9ZFLao2VvA0yEd7CASCmDHDLYpXCA",
+                                    },
+                                },
+                                user_id: "@example:localhost",
+                                unsigned: {
+                                    device_display_name: "rust-sdk",
+                                },
+                            },
+                        },
+                    },
+                    failures: {},
+                }),
+            );
+
+            await testOlmMachine.markRequestAsSent(
+                "bar",
+                RustSdkCryptoJs.RequestType.KeysClaim,
+                JSON.stringify({
+                    one_time_keys: {
+                        "@example:localhost": {
+                            AFGUOBTZWM: {
+                                "signed_curve25519:AAAABQ": {
+                                    key: "9IGouMnkB6c6HOd4xUsNv4i3Dulb4IS96TzDordzOws",
+                                    signatures: {
+                                        "@example:localhost": {
+                                            "ed25519:AFGUOBTZWM":
+                                                "2bvUbbmJegrV0eVP/vcJKuIWC3kud+V8+C0dZtg4dVovOSJdTP/iF36tQn2bh5+rb9xLlSeztXBdhy4c+LiOAg",
+                                        },
+                                    },
+                                },
+                            },
+                        },
+                    },
+                    failures: {},
+                }),
+            );
+
+            const batch = await rustCrypto.encryptToDeviceMessages(
+                "m.test.type",
+                [
+                    { deviceId: "AAA", userId: "@user1:domain" },
+                    { deviceId: "BBB", userId: "@user1:domain" },
+                    { deviceId: "CCC", userId: "@user2:domain" },
+                    { deviceId: "AFGUOBTZWM", userId: "@example:localhost" },
+                ],
+                payload,
+            );
+            expect(batch?.eventType).toEqual("m.room.encrypted");
+            expect(batch?.batch.length).toEqual(1);
+            expect(batch?.batch[0].deviceId).toEqual("AFGUOBTZWM");
+            expect(batch?.batch[0].userId).toEqual("@example:localhost");
+            expect(batch?.batch[0].payload).toEqual(
+                expect.objectContaining({
+                    "algorithm": "m.olm.v1.curve25519-aes-sha2",
+                    "ciphertext": expect.any(Object),
+                    "org.matrix.msgid": expect.any(String),
+                    "sender_key": expect.any(String),
+                }),
+            );
+        });
+    });
 });
 
 /** Build a MatrixHttpApi instance */

spec/unit/rust-crypto/secret-storage.spec.ts

@@ -98,7 +98,7 @@ describe("secret-storage", () => {
                 } else if (secretName == "secretE") {
                     return { aaaa: {}, bbbb: {} };
                 } else {
-                    null;
+                    return null;
                 }
             }),
             getDefaultKeyId: jest.fn().mockResolvedValue("aaaa"),

spec/unit/scheduler.spec.ts

@@ -12,7 +12,7 @@ jest.useFakeTimers();
 
 describe("MatrixScheduler", function () {
     let scheduler: MatrixScheduler<Record<string, boolean>>;
-    let retryFn: Function | null;
+    let retryFn: ((event: MatrixEvent | null, attempt: number, err: MatrixError) => number) | null;
     let queueFn: ((event: MatrixEvent) => string | null) | null;
     let deferred: IDeferred<Record<string, boolean>>;
     const roomId = "!foo:bar";

spec/unit/secret-storage.spec.ts

@@ -18,6 +18,7 @@ import { Mocked } from "jest-mock";
 
 import {
     AccountDataClient,
+    calculateKeyCheck,
     PassphraseInfo,
     SecretStorageCallbacks,
     SecretStorageKeyDescriptionAesV1,
@@ -25,7 +26,6 @@ import {
     ServerSideSecretStorageImpl,
     trimTrailingEquals,
 } from "../../src/secret-storage";
-import { calculateKeyCheck } from "../../src/crypto/aes";
 import { randomString } from "../../src/randomstring";
 
 describe("ServerSideSecretStorageImpl", function () {

spec/unit/timeline-window.spec.ts

@@ -434,7 +434,7 @@ describe("TimelineWindow", function () {
     });
 
     function idsOf(events: Array<MatrixEvent>): Array<string> {
-        return events.map((e) => (e ? e.getId() ?? "MISSING_ID" : "MISSING_EVENT"));
+        return events.map((e) => (e ? (e.getId() ?? "MISSING_ID") : "MISSING_EVENT"));
     }
 
     describe("removing events", () => {

spec/unit/webrtc/call.spec.ts

@@ -1228,7 +1228,7 @@ describe("Call", function () {
     });
 
     describe("Screen sharing", () => {
-        const waitNegotiateFunc = (resolve: Function): void => {
+        const waitNegotiateFunc = (resolve: () => void): void => {
             mockSendEvent.mockImplementationOnce(() => {
                 // Note that the peer connection here is a dummy one and always returns
                 // dummy SDP, so there's not much point returning the content: the SDP will

spec/unit/webrtc/callFeed.spec.ts

@@ -101,7 +101,7 @@ describe("CallFeed", () => {
         it.each([
             [CallState.Connected, true],
             [CallState.Connecting, false],
-        ])("should react to call state, when !isLocal()", (state: CallState, expected: Boolean) => {
+        ])("should react to call state, when !isLocal()", (state: CallState, expected: boolean) => {
             call.emit(CallEvent.State, state, CallState.InviteSent, call.typed());
 
             expect(feed.connected).toBe(expected);

spec/unit/webrtc/groupCall.spec.ts

@@ -105,7 +105,7 @@ const mockGetStateEvents =
     (events: MatrixEvent[] = FAKE_STATE_EVENTS as MatrixEvent[]) =>
     (type: EventType, userId?: string): MatrixEvent[] | MatrixEvent | null => {
         if (type === EventType.GroupCallMemberPrefix) {
-            return userId === undefined ? events : events.find((e) => e.getStateKey() === userId) ?? null;
+            return userId === undefined ? events : (events.find((e) => e.getStateKey() === userId) ?? null);
         } else {
             const fakeEvent = { getContent: () => ({}), getTs: () => 0 } as MatrixEvent;
             return userId === undefined ? [fakeEvent] : fakeEvent;

src/@types/AESEncryptedSecretStoragePayload.ts

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * An AES-encrypted secret storage payload.
+ * See https://spec.matrix.org/v1.11/client-server-api/#msecret_storagev1aes-hmac-sha2-1
+ */
+export interface AESEncryptedSecretStoragePayload {
+    [key: string]: any; // extensible
+    /** the initialization vector in base64 */
+    iv: string;
+    /** the ciphertext in base64 */
+    ciphertext: string;
+    /** the HMAC in base64 */
+    mac: string;
+}

src/@types/auth.ts

@@ -14,8 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { UnstableValue } from "../NamespacedValue";
-import { IClientWellKnown } from "../client";
+import { UnstableValue } from "../NamespacedValue.ts";
+import { IClientWellKnown } from "../client.ts";
 
 // disable lint because these are wire responses
 /* eslint-disable camelcase */

src/@types/beacon.ts

@@ -14,9 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { RelatesToRelationship, REFERENCE_RELATION } from "./extensible_events";
-import { UnstableValue } from "../NamespacedValue";
-import { MAssetEvent, MLocationEvent, MTimestampEvent } from "./location";
+import { RelatesToRelationship, REFERENCE_RELATION } from "./extensible_events.ts";
+import { UnstableValue } from "../NamespacedValue.ts";
+import { MAssetEvent, MLocationEvent, MTimestampEvent } from "./location.ts";
 
 /**
  * Beacon info and beacon event types as described in MSC3672

src/@types/crypto.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import type { ISignatures } from "./signed";
+import type { ISignatures } from "./signed.ts";
 
 export type OlmGroupSessionExtraData = {
     untrusted?: boolean;
@@ -22,7 +22,7 @@ export type OlmGroupSessionExtraData = {
 };
 
 // Backwards compatible re-export
-export type { EventDecryptionResult as IEventDecryptionResult } from "../common-crypto/CryptoBackend";
+export type { EventDecryptionResult as IEventDecryptionResult } from "../common-crypto/CryptoBackend.ts";
 
 interface Extensible {
     [key: string]: any;

src/@types/event.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { NamespacedValue, UnstableValue } from "../NamespacedValue";
+import { NamespacedValue, UnstableValue } from "../NamespacedValue.ts";
 import {
     PolicyRuleEventContent,
     RoomAvatarEventContent,
@@ -34,16 +34,16 @@ import {
     RoomTopicEventContent,
     SpaceChildEventContent,
     SpaceParentEventContent,
-} from "./state_events";
+} from "./state_events.ts";
 import {
     ExperimentalGroupCallRoomMemberState,
     IGroupCallRoomMemberState,
     IGroupCallRoomState,
-} from "../webrtc/groupCall";
-import { MSC3089EventContent } from "../models/MSC3089Branch";
-import { M_BEACON, M_BEACON_INFO, MBeaconEventContent, MBeaconInfoEventContent } from "./beacon";
-import { XOR } from "./common";
-import { ReactionEventContent, RoomMessageEventContent, StickerEventContent } from "./events";
+} from "../webrtc/groupCall.ts";
+import { MSC3089EventContent } from "../models/MSC3089Branch.ts";
+import { M_BEACON, M_BEACON_INFO, MBeaconEventContent, MBeaconInfoEventContent } from "./beacon.ts";
+import { XOR } from "./common.ts";
+import { ReactionEventContent, RoomMessageEventContent, StickerEventContent } from "./events.ts";
 import {
     MCallAnswer,
     MCallBase,
@@ -54,10 +54,10 @@ import {
     MCallSelectAnswer,
     SDPStreamMetadata,
     SDPStreamMetadataKey,
-} from "../webrtc/callEventTypes";
-import { EncryptionKeysEventContent, ICallNotifyContent } from "../matrixrtc/types";
-import { M_POLL_END, M_POLL_START, PollEndEventContent, PollStartEventContent } from "./polls";
-import { SessionMembershipData } from "../matrixrtc/CallMembership";
+} from "../webrtc/callEventTypes.ts";
+import { EncryptionKeysEventContent, ICallNotifyContent } from "../matrixrtc/types.ts";
+import { M_POLL_END, M_POLL_START, PollEndEventContent, PollStartEventContent } from "./polls.ts";
+import { SessionMembershipData } from "../matrixrtc/CallMembership.ts";
 
 export enum EventType {
     // Room state events

src/@types/events.ts

@@ -14,9 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { MsgType, RelationType } from "./event";
-import { FileInfo, ImageInfo, MediaEventContent } from "./media";
-import { XOR } from "./common";
+import { MsgType, RelationType } from "./event.ts";
+import { FileInfo, ImageInfo, MediaEventContent } from "./media.ts";
+import { XOR } from "./common.ts";
 
 interface BaseTimelineEvent {
     "body": string;

src/@types/extensible_events.ts

@@ -16,7 +16,7 @@ limitations under the License.
 
 import { EitherAnd, NamespacedValue, Optional, UnstableValue } from "matrix-events-sdk";
 
-import { isProvided } from "../extensible_events_v1/utilities";
+import { isProvided } from "../extensible_events_v1/utilities.ts";
 
 // Types and utilities for MSC1767: Extensible events (version 1) in Matrix
 

src/@types/global.d.ts

@@ -29,20 +29,11 @@ declare global {
 
     namespace NodeJS {
         interface Global {
-            localStorage: Storage;
             // marker variable used to detect both the browser & node entrypoints being used at once
             __js_sdk_entrypoint: unknown;
         }
     }
 
-    interface Window {
-        webkitAudioContext: typeof AudioContext;
-    }
-
-    interface Crypto {
-        webkitSubtle?: Window["crypto"]["subtle"];
-    }
-
     interface MediaDevices {
         // This is experimental and types don't know about it yet
         // https://github.com/microsoft/TypeScript/issues/33232
@@ -76,40 +67,4 @@ declare global {
         // on webkit: we should check if we still need to do this
         webkitGetUserMedia: DummyInterfaceWeShouldntBeUsingThis;
     }
-
-    export interface ISettledFulfilled<T> {
-        status: "fulfilled";
-        value: T;
-    }
-    export interface ISettledRejected {
-        status: "rejected";
-        reason: any;
-    }
-
-    interface PromiseConstructor {
-        allSettled<T>(promises: Promise<T>[]): Promise<Array<ISettledFulfilled<T> | ISettledRejected>>;
-    }
-
-    interface RTCRtpTransceiver {
-        // This has been removed from TS
-        // (https://github.com/microsoft/TypeScript-DOM-lib-generator/issues/1029),
-        // but we still need this for MatrixCall::getRidOfRTXCodecs()
-        setCodecPreferences(codecs: RTCRtpCodecCapability[]): void;
-    }
-
-    interface RequestInit {
-        /**
-         * Specifies the priority of the fetch request relative to other requests of the same type.
-         * Must be one of the following strings:
-         *   high: A high priority fetch request relative to other requests of the same type.
-         *   low: A low priority fetch request relative to other requests of the same type.
-         *   auto: Automatically determine the priority of the fetch request relative to other requests of the same type (default).
-         *
-         * @see https://html.spec.whatwg.org/multipage/urls-and-fetching.html#fetch-priority-attribute
-         * @see https://github.com/microsoft/TypeScript/issues/54472
-         * @see https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API#browser_compatibility
-         * Not yet supported in Safari or Firefox
-         */
-        priority?: "high" | "low" | "auto";
-    }
 }

src/@types/location.ts

@@ -17,8 +17,8 @@ limitations under the License.
 // Types for MSC3488 - m.location: Extending events with location data
 import { EitherAnd } from "matrix-events-sdk";
 
-import { UnstableValue } from "../NamespacedValue";
-import { M_TEXT } from "./extensible_events";
+import { UnstableValue } from "../NamespacedValue.ts";
+import { M_TEXT } from "./extensible_events.ts";
 
 export enum LocationAssetType {
     Self = "m.self",

src/@types/media.ts

@@ -14,14 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { MsgType } from "../@types/event";
+import { MsgType } from "../@types/event.ts";
 
 /**
  * Information on encrypted media attachments.
  *
  * Used within `m.room.message` events that reference files, such as `m.file` and `m.image`.
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#extensions-to-mroommessage-msgtypes
+ * @see https://spec.matrix.org/v1.11/client-server-api/#extensions-to-mroommessage-msgtypes
  */
 export interface EncryptedFile {
     /**
@@ -84,13 +84,13 @@ interface BaseInfo {
  *
  * Used within `m.room.message` events that reference files.
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mfile
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mfile
  */
 export interface FileInfo extends BaseInfo {
     /**
      * Information on the encrypted thumbnail file, as specified in End-to-end encryption.
      * Only present if the thumbnail is encrypted.
-     * @see https://spec.matrix.org/v1.9/client-server-api/#sending-encrypted-attachments
+     * @see https://spec.matrix.org/v1.11/client-server-api/#sending-encrypted-attachments
      */
     thumbnail_file?: EncryptedFile;
     /**
@@ -108,7 +108,7 @@ export interface FileInfo extends BaseInfo {
  *
  * Used within `m.room.message` events that reference images.
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mimage
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mimage
  */
 export interface ImageInfo extends FileInfo, ThumbnailInfo {}
 
@@ -117,7 +117,7 @@ export interface ImageInfo extends FileInfo, ThumbnailInfo {}
  *
  * Used within `m.room.message` events that reference audio files.
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#maudio
+ * @see https://spec.matrix.org/v1.11/client-server-api/#maudio
  */
 export interface AudioInfo extends BaseInfo {
     /**
@@ -131,7 +131,7 @@ export interface AudioInfo extends BaseInfo {
  *
  * Used within `m.room.message` events that reference video files.
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mvideo
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mvideo
  */
 export interface VideoInfo extends AudioInfo, ImageInfo {
     /**
@@ -148,30 +148,39 @@ export type MediaEventInfo = FileInfo | ImageInfo | AudioInfo | VideoInfo;
 interface BaseContent {
     /**
      * Required if the file is encrypted. Information on the encrypted file, as specified in End-to-end encryption.
-     * @see https://spec.matrix.org/v1.9/client-server-api/#sending-encrypted-attachments
+     * @see https://spec.matrix.org/v1.11/client-server-api/#sending-encrypted-attachments
      */
     file?: EncryptedFile;
     /**
      * Required if the file is unencrypted. The URL (typically mxc:// URI) to the file.
      */
     url?: string;
-}
-
-/**
- * Content format of media events with msgtype `m.file`
- *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mfile
- */
-export interface FileContent extends BaseContent {
     /**
-     * A human-readable description of the file.
-     * This is recommended to be the filename of the original upload.
+     * If filename is not set or the value of both properties are identical,
+     * this is the filename of the original upload. Otherwise, this is a
+     * caption for the file.
      */
     body: string;
     /**
      * The original filename of the uploaded file.
      */
     filename?: string;
+    /**
+     * The format used in the `formatted_body`.
+     */
+    format?: "org.matrix.custom.html";
+    /**
+     * The formatted version of the `body`, when it acts as a caption. This is required if `format` is specified.
+     */
+    formatted_body?: string;
+}
+
+/**
+ * Content format of media events with msgtype `m.file`
+ *
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mfile
+ */
+export interface FileContent extends BaseContent {
     /**
      * Information about the file referred to in url.
      */
@@ -185,15 +194,9 @@ export interface FileContent extends BaseContent {
 /**
  * Content format of media events with msgtype `m.image`
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mimage
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mimage
  */
 export interface ImageContent extends BaseContent {
-    /**
-     * A textual representation of the image.
-     * This could be the alt text of the image, the filename of the image,
-     * or some kind of content description for accessibility e.g. ‘image attachment’.
-     */
-    body: string;
     /**
      * Metadata about the image referred to in url.
      */
@@ -207,14 +210,9 @@ export interface ImageContent extends BaseContent {
 /**
  * Content format of media events with msgtype `m.audio`
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#maudio
+ * @see https://spec.matrix.org/v1.11/client-server-api/#maudio
  */
 export interface AudioContent extends BaseContent {
-    /**
-     * A description of the audio e.g. ‘Bee Gees - Stayin’ Alive’,
-     * or some kind of content description for accessibility e.g. ‘audio attachment’.
-     */
-    body: string;
     /**
      * Metadata for the audio clip referred to in url.
      */
@@ -228,14 +226,9 @@ export interface AudioContent extends BaseContent {
 /**
  * Content format of media events with msgtype `m.video`
  *
- * @see https://spec.matrix.org/v1.9/client-server-api/#mvideo
+ * @see https://spec.matrix.org/v1.11/client-server-api/#mvideo
  */
 export interface VideoContent extends BaseContent {
-    /**
-     * A description of the video e.g. ‘Gangnam style’,
-     * or some kind of content description for accessibility e.g. ‘video attachment’.
-     */
-    body: string;
     /**
      * Metadata about the video clip referred to in url.
      */

src/@types/polls.ts

@@ -21,7 +21,7 @@ import {
     REFERENCE_RELATION,
     RelatesToRelationship,
     TSNamespace,
-} from "./extensible_events";
+} from "./extensible_events.ts";
 
 /**
  * Identifier for a disclosed poll.

src/@types/registration.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { AuthDict } from "../interactive-auth";
+import { AuthDict } from "../interactive-auth.ts";
 
 /**
  * The request body of a call to `POST /_matrix/client/v3/register`.

src/@types/requests.ts

@@ -14,14 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { IContent, IEvent } from "../models/event";
-import { Preset, Visibility } from "./partials";
-import { IEventWithRoomId, SearchKey } from "./search";
-import { IRoomEventFilter } from "../filter";
-import { Direction } from "../models/event-timeline";
-import { PushRuleAction } from "./PushRules";
-import { IRoomEvent } from "../sync-accumulator";
-import { EventType, RelationType, RoomType } from "./event";
+import { IContent, IEvent } from "../models/event.ts";
+import { Preset, Visibility } from "./partials.ts";
+import { IEventWithRoomId, SearchKey } from "./search.ts";
+import { IRoomEventFilter } from "../filter.ts";
+import { Direction } from "../models/event-timeline.ts";
+import { PushRuleAction } from "./PushRules.ts";
+import { IRoomEvent } from "../sync-accumulator.ts";
+import { EventType, RelationType, RoomType } from "./event.ts";
 
 // allow camelcase as these are things that go onto the wire
 /* eslint-disable camelcase */
@@ -76,6 +76,54 @@ export interface ISendEventResponse {
     event_id: string;
 }
 
+export type TimeoutDelay = {
+    delay: number;
+};
+
+export type ParentDelayId = {
+    parent_delay_id: string;
+};
+
+export type SendTimeoutDelayedEventRequestOpts = TimeoutDelay & Partial<ParentDelayId>;
+export type SendActionDelayedEventRequestOpts = ParentDelayId;
+
+export type SendDelayedEventRequestOpts = SendTimeoutDelayedEventRequestOpts | SendActionDelayedEventRequestOpts;
+
+export type SendDelayedEventResponse = {
+    delay_id: string;
+};
+
+export enum UpdateDelayedEventAction {
+    Cancel = "cancel",
+    Restart = "restart",
+    Send = "send",
+}
+
+export type UpdateDelayedEventRequestOpts = SendDelayedEventResponse & {
+    action: UpdateDelayedEventAction;
+};
+
+type DelayedPartialTimelineEvent = {
+    room_id: string;
+    type: string;
+    content: IContent;
+};
+
+type DelayedPartialStateEvent = DelayedPartialTimelineEvent & {
+    state_key: string;
+};
+
+type DelayedPartialEvent = DelayedPartialTimelineEvent | DelayedPartialStateEvent;
+
+export type DelayedEventInfo = {
+    delayed_events: (DelayedPartialEvent &
+        SendDelayedEventResponse &
+        SendDelayedEventRequestOpts & {
+            running_since: number;
+        })[];
+    next_batch?: string;
+};
+
 export interface IPresenceOpts {
     // One of "online", "offline" or "unavailable"
     presence: "online" | "offline" | "unavailable";

src/@types/search.ts

@@ -16,9 +16,9 @@ limitations under the License.
 
 // Types relating to the /search API
 
-import { IRoomEvent, IStateEvent } from "../sync-accumulator";
-import { IRoomEventFilter } from "../filter";
-import { SearchResult } from "../models/search-result";
+import { IRoomEvent, IStateEvent } from "../sync-accumulator.ts";
+import { IRoomEventFilter } from "../filter.ts";
+import { SearchResult } from "../models/search-result.ts";
 
 /* eslint-disable camelcase */
 export interface IEventWithRoomId extends IRoomEvent {

src/@types/spaces.ts

@@ -14,9 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { IPublicRoomsChunkRoom } from "../client";
-import { RoomType } from "./event";
-import { IStrippedState } from "../sync-accumulator";
+import { IPublicRoomsChunkRoom } from "../client.ts";
+import { RoomType } from "./event.ts";
+import { IStrippedState } from "../sync-accumulator.ts";
 
 // Types relating to Rooms of type `m.space` and related APIs
 

src/@types/state_events.ts

@@ -14,10 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { RoomType } from "./event";
-import { GuestAccess, HistoryVisibility, JoinRule, RestrictedAllowType } from "./partials";
-import { ImageInfo } from "./media";
-import { PolicyRecommendation } from "../models/invites-ignorer";
+import { RoomType } from "./event.ts";
+import { GuestAccess, HistoryVisibility, JoinRule, RestrictedAllowType } from "./partials.ts";
+import { ImageInfo } from "./media.ts";
+import { PolicyRecommendation } from "../models/invites-ignorer.ts";
 
 export interface RoomCanonicalAliasEventContent {
     alias?: string;

src/@types/synapse.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { IdServerUnbindResult } from "./partials";
+import { IdServerUnbindResult } from "./partials.ts";
 
 // Types relating to Synapse Admin APIs
 

src/@types/sync.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { ServerControlledNamespacedValue } from "../NamespacedValue";
+import { ServerControlledNamespacedValue } from "../NamespacedValue.ts";
 
 /**
  * https://github.com/matrix-org/matrix-doc/pull/3773

src/@types/topic.ts

@@ -16,8 +16,8 @@ limitations under the License.
 
 import { EitherAnd } from "matrix-events-sdk";
 
-import { UnstableValue } from "../NamespacedValue";
-import { IMessageRendering } from "./extensible_events";
+import { UnstableValue } from "../NamespacedValue.ts";
+import { IMessageRendering } from "./extensible_events.ts";
 
 /**
  * Extensible topic event type based on MSC3765

src/@types/uia.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { AuthDict, IAuthData } from "../interactive-auth";
+import { AuthDict, IAuthData } from "../interactive-auth.ts";
 
 /**
  * Helper type to represent HTTP request body for a UIA enabled endpoint

src/ReEmitter.ts

@@ -19,7 +19,7 @@ limitations under the License.
 // eslint-disable-next-line no-restricted-imports
 import { EventEmitter } from "events";
 
-import { ListenerMap, TypedEventEmitter } from "./models/typed-event-emitter";
+import { ListenerMap, TypedEventEmitter } from "./models/typed-event-emitter.ts";
 
 export class ReEmitter {
     public constructor(private readonly target: EventEmitter) {}

src/ToDeviceMessageQueue.ts

@@ -14,14 +14,19 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { ToDeviceMessageId } from "./@types/event";
-import { logger } from "./logger";
-import { MatrixClient, ClientEvent } from "./client";
-import { MatrixError } from "./http-api";
-import { IndexedToDeviceBatch, ToDeviceBatch, ToDeviceBatchWithTxnId, ToDevicePayload } from "./models/ToDeviceMessage";
-import { MatrixScheduler } from "./scheduler";
-import { SyncState } from "./sync";
-import { MapWithDefault } from "./utils";
+import { ToDeviceMessageId } from "./@types/event.ts";
+import { logger } from "./logger.ts";
+import { MatrixClient, ClientEvent } from "./client.ts";
+import { MatrixError } from "./http-api/index.ts";
+import {
+    IndexedToDeviceBatch,
+    ToDeviceBatch,
+    ToDeviceBatchWithTxnId,
+    ToDevicePayload,
+} from "./models/ToDeviceMessage.ts";
+import { MatrixScheduler } from "./scheduler.ts";
+import { SyncState } from "./sync.ts";
+import { MapWithDefault } from "./utils.ts";
 
 const MAX_BATCH_SIZE = 20;
 

src/autodiscovery.ts

@@ -15,10 +15,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { IClientWellKnown, IWellKnownConfig, IServerVersions } from "./client";
-import { logger } from "./logger";
-import { MatrixError, Method, timeoutSignal } from "./http-api";
-import { SUPPORTED_MATRIX_VERSIONS } from "./version-support";
+import { IClientWellKnown, IWellKnownConfig, IServerVersions } from "./client.ts";
+import { logger } from "./logger.ts";
+import { MatrixError, Method, timeoutSignal } from "./http-api/index.ts";
+import { SUPPORTED_MATRIX_VERSIONS } from "./version-support.ts";
 
 // Dev note: Auto discovery is part of the spec.
 // See: https://matrix.org/docs/spec/client_server/r0.4.0.html#server-discovery

src/browser-index.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import * as matrixcs from "./matrix";
+import * as matrixcs from "./matrix.ts";
 
 type BrowserMatrix = typeof matrixcs;
 declare global {
@@ -33,12 +33,12 @@ globalThis.__js_sdk_entrypoint = true;
 let indexedDB: IDBFactory | undefined;
 try {
     indexedDB = globalThis.indexedDB;
-} catch (e) {}
+} catch {}
 
 // if our browser (appears to) support indexeddb, use an indexeddb crypto store.
 if (indexedDB) {
     matrixcs.setCryptoStoreFactory(() => new matrixcs.IndexedDBCryptoStore(indexedDB!, "matrix-js-sdk:crypto"));
 }
 
-export * from "./matrix";
+export * from "./matrix.ts";
 globalThis.matrixcs = matrixcs;