[core] 2025.1.3

fix #725

.dockerignore

@@ -1,5 +1,7 @@
 Dockerfile
+src/core/engines/gows/grpc
 .*sessions
+sessions
 files
 venv
 .wwebjs_auth

.env.example

@@ -161,8 +161,16 @@ WHATSAPP_FILES_FOLDER=/app/.media
 #WHATSAPP_HOOK_EVENTS=session.status,message,message.reaction
 #
 
+#
+# Local Configuration
+#
+# WAHA_LOCAL_STORE_BASE_DIR=/app/sessions
+# Remember to map the volume to the host machine to the right direction in "volumes" field in docker-compose.yml
+# volumes:
+# - './.sessions:/app/sessions'
+
 #
 # MongoDB Configuration
 # https://waha.devlike.pro/docs/how-to/storages/#sessions---mongodb
-#WHATSAPP_SESSIONS_MONGO_URL=mongodb://mongodb:27017
+#WHATSAPP_SESSIONS_MONGO_URL=mongodb://mongouser:mongopassword@mongodb:27017
 #

.eslintignore

@@ -0,0 +1 @@
+src/core/engines/gows/grpc/*

.github/ISSUE_TEMPLATE/bug_report.md

@@ -6,25 +6,28 @@ labels: bug
 assignees: ''
 ---
 
-**Describe the bug**
+### Describe the bug
 
-> A clear and concise description of what the bug is. Feel free to remove
-> sections that you don't feel to make the text shorter!
+A clear and concise description of what the bug is. Feel free to remove sections
+that you don't feel to make the text shorter!
 
-**Version**
+### Version
+
+Get the WAHA version by calling `GET /api/version`
 
 ```json
 {
-  "version": "2023.11.1",
-  "engine": "NOWEB",
-  "tier": "PLUS",
-  "browser": "/usr/bin/google-chrome-stable"
+  "version": "YYYY.MM.DD",
+  "engine": "ENGINE",
+  "tier": "TIER"
 }
 ```
 
-> You can get the WAHA version by calling `GET /api/version` Try to update to
-> [the latest version](https://github.com/devlikeapro/waha/releases) before
-> creating an issue!
+Try to update to
+[the latest version](https://github.com/devlikeapro/waha/releases) before
+creating an issue!
+
+## Steps
 
 **To Reproduce** Steps to reproduce the behavior:
 
@@ -33,29 +36,23 @@ assignees: ''
 3. Scroll down to '....'
 4. See error
 
-**Expected behavior**
+### Expected behavior
 
-> A clear and concise description of what you expected to happen.
+A clear and concise description of what you expected to happen.
 
-**Engine** I'm using **WEBJS** engine.
+### Requests - Responses
 
-> If you set `WHATSAPP_DEFAULT_ENGINE` explicitly to
-> [one of the engine](https://waha.devlike.pro/docs/how-to/engines/) - please
-> provide that information here and in the issue title.
+Please attach all sent requests, responses that you sent.
 
-**Requests - Responses**
+### Docker Logs
 
-> Please attach all sent requests, responses that you sent.
+Collect and attach related docker logs if you have any
+https://waha.devlike.pro/docs/how-to/deploy/#viewing-the-logs
 
-**Docker Logs**
+### Screenshots
 
-> Collect and attach related docker logs if you have any
-> https://waha.devlike.pro/docs/how-to/deploy/#viewing-the-logs
+If applicable, add screenshots to help explain your problem.
 
-**Screenshots**
+### Additional context
 
-> If applicable, add screenshots to help explain your problem.
-
-**Additional context**
-
-> Add any other context about the problem here.
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -9,16 +9,16 @@ assignees: ''
 **Is your feature request related to a problem? Please describe.** I'm always
 frustrated when [...]
 
-> A clear and concise description of what the problem is. Ex.
+A clear and concise description of what the problem is. Ex.
 
 **Describe the solution you'd like**
 
-> A clear and concise description of what you want to happen.
+A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
 
-> A clear and concise description of any alternative solutions or features
-> you've considered.
+A clear and concise description of any alternative solutions or features you've
+considered.
 
 **Additional context** Add any other context or screenshots about the feature
 request here.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,11 @@
+---
+name: Question
+about: I have a question about the project or feature
+title: '[Question] '
+labels: 'question'
+assignees: ''
+---
+
+👉 Kindly use
+[GitHub Discussions](https://github.com/devlikeapro/waha/discussions) to ask
+questions!

.github/workflows/build.yaml

@@ -8,7 +8,9 @@ on:
 jobs:
   docker-build:
     runs-on: ${{ matrix.runner }}
-    name: ${{ matrix.platform }} - ${{ matrix.browser }} - ${{ matrix.tag }}
+    name:
+      ${{ matrix.engine }} - ${{ matrix.browser }} - ${{ matrix.platform }} -
+      ${{ matrix.tag }}
     strategy:
       matrix:
         include:
@@ -17,6 +19,7 @@ jobs:
             tag: 'latest'
             platform: 'amd64'
             browser: 'chromium'
+            engine: 'WEBJS'
             goss: 'goss-linux-amd64'
 
           # Chromium - ARM
@@ -24,6 +27,7 @@ jobs:
             tag: 'arm'
             platform: 'linux/arm64'
             browser: 'chromium'
+            engine: 'WEBJS'
             goss: 'goss-linux-arm'
 
           # Chrome - x86
@@ -31,6 +35,7 @@ jobs:
             tag: 'chrome'
             platform: 'amd64'
             browser: 'chrome'
+            engine: 'WEBJS'
             goss: 'goss-linux-amd64'
 
           # Chrome - ARM (Chrome is not available for ARM)
@@ -40,18 +45,36 @@ jobs:
           #  browser: "chrome"
           #  goss: 'goss-linux-arm'
 
-          # No browser - x86
+          # NOWEB - x86
           - runner: 'buildjet-4vcpu-ubuntu-2204'
             tag: 'noweb'
             platform: 'amd64'
             browser: 'none'
+            engine: 'NOWEB'
             goss: 'goss-linux-amd64'
 
-          # No browser - ARM
+          # NOWEB - ARM
           - runner: 'buildjet-4vcpu-ubuntu-2204-arm'
             tag: 'noweb-arm'
             platform: 'linux/arm64'
             browser: 'none'
+            engine: 'NOWEB'
+            goss: 'goss-linux-arm'
+
+          # GOWS - x86
+          - runner: 'buildjet-4vcpu-ubuntu-2204'
+            tag: 'gows'
+            platform: 'amd64'
+            browser: 'none'
+            engine: 'GOWS'
+            goss: 'goss-linux-amd64'
+
+          # No browser - ARM
+          - runner: 'buildjet-4vcpu-ubuntu-2204-arm'
+            tag: 'gows-arm'
+            platform: 'linux/arm64'
+            browser: 'none'
+            engine: 'GOWS'
             goss: 'goss-linux-arm'
 
     steps:
@@ -85,6 +108,7 @@ jobs:
           platforms: ${{ matrix.platform }}
           build-args: |
             USE_BROWSER=${{ matrix.browser }}
+            WHATSAPP_DEFAULT_ENGINE=${{ matrix.engine }}
           push: false
           load: true
           tags: ${{ steps.meta.outputs.tags }}
@@ -116,6 +140,7 @@ jobs:
           platforms: ${{ matrix.platform }}
           build-args: |
             USE_BROWSER=${{ matrix.browser }}
+            WHATSAPP_DEFAULT_ENGINE=${{ matrix.engine }}
           push: ${{ github.ref_type == 'tag' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

.gitignore

@@ -1,8 +1,10 @@
+src/core/engines/gows/grpc
 .env
 *.heapsnapshot
 .yarn
 example.ts
 .*sessions
+sessions
 .secrets
 .minio
 .media

.pre-commit-config.yaml

@@ -2,6 +2,7 @@ exclude: |
   (?x)^(
     ^src/dashboard/.*|
     ^src/core/engines/webjs/.*html|
+    ^src/core/engines/gows/grpc/.*|
     ^src/plus/engines/webjs/.*html|
     ^.yarn/.*
   )$
@@ -72,4 +73,5 @@ repos:
               entrypoint.sh|
               .pre-commit-config.yaml|
               ^src/core/engines/webjs/session.webjs.core.ts|
+              ^src/core/engines/webjs/_lodash.js|
           )$

Dockerfile

@@ -1,3 +1,9 @@
+# GOWS
+ARG GOWS_GITHUB_REPO=devlikeapro/gows
+ARG GOWS_SHA=95ca63a1dee5faec75232a9f59a548dfd4e414ff
+ARG WAHA_DASHBOARD_GITHUB_REPO=devlikeapro/dashboard
+ARG WAHA_DASHBOARD_SHA=a1c839d8da94d1cade182addffdfc42fc0cf7ed3
+
 #
 # Build
 #
@@ -5,6 +11,10 @@ ARG NODE_VERSION=22.8-bullseye
 FROM node:${NODE_VERSION} AS build
 ENV PUPPETEER_SKIP_DOWNLOAD=True
 
+# install protoc
+RUN apt-get update && \
+    apt-get install protobuf-compiler -y
+
 # npm packages
 WORKDIR /src
 COPY package.json .
@@ -18,6 +28,16 @@ RUN yarn install
 WORKDIR /src
 ADD . /src
 RUN yarn install
+
+# Build node grpc client for GOWS engine
+WORKDIR /gows/proto
+ARG GOWS_GITHUB_REPO
+ARG GOWS_SHA
+RUN wget https://raw.githubusercontent.com/${GOWS_GITHUB_REPO}/${GOWS_SHA}/proto/gows.proto
+WORKDIR /src
+
+RUN make proto-gows
+
 RUN yarn build && find ./dist -name "*.d.ts" -delete
 
 #
@@ -26,15 +46,41 @@ RUN yarn build && find ./dist -name "*.d.ts" -delete
 FROM node:${NODE_VERSION} AS dashboard
 
 # Download WAHA Dashboard
-ENV WAHA_DASHBOARD_SHA 5199c68522e81e911b440834fa7adc15ff4a1cf9
+ARG WAHA_DASHBOARD_GITHUB_REPO
+ARG WAHA_DASHBOARD_SHA
 RUN \
-    wget https://github.com/devlikeapro/dashboard/archive/${WAHA_DASHBOARD_SHA}.zip \
+    wget https://github.com/${WAHA_DASHBOARD_GITHUB_REPO}/archive/${WAHA_DASHBOARD_SHA}.zip \
     && unzip ${WAHA_DASHBOARD_SHA}.zip -d /tmp/dashboard \
     && mkdir -p /dashboard \
     && mv /tmp/dashboard/dashboard-${WAHA_DASHBOARD_SHA}/* /dashboard/ \
     && rm -rf ${WAHA_DASHBOARD_SHA}.zip \
     && rm -rf /tmp/dashboard/dashboard-${WAHA_DASHBOARD_SHA}
 
+#
+# GOWS
+#
+FROM golang:1.23-bullseye AS gows
+# install protoc
+RUN apt-get update && \
+    apt-get install protobuf-compiler -y
+
+# Image processing for thumbnails
+RUN apt-get update  \
+    && apt-get install -y libvips-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+ARG GOWS_GITHUB_REPO
+ARG GOWS_SHA
+RUN git clone https://github.com/${GOWS_GITHUB_REPO} gows && \
+    cd gows && \
+    git checkout ${GOWS_SHA}
+
+WORKDIR /go/gows
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+RUN make all
+
+
 #
 # Final
 #
@@ -44,19 +90,42 @@ ENV PUPPETEER_SKIP_DOWNLOAD=True
 # https://github.com/devlikeapro/waha/issues/347
 ENV NODE_OPTIONS="--max-old-space-size=16384"
 ARG USE_BROWSER=chromium
+ARG WHATSAPP_DEFAULT_ENGINE
 
 RUN echo "USE_BROWSER=$USE_BROWSER"
 
 # Install ffmpeg to generate previews for videos
 RUN apt-get update && apt-get install -y ffmpeg --no-install-recommends && rm -rf /var/lib/apt/lists/*
 
-# Install zip and unzip
-RUN apt-get update && apt-get install -y zip unzip --no-install-recommends && rm -rf /var/lib/apt/lists/*
+# Image processing for thumbnails
+RUN apt-get update  \
+    && apt-get install -y libvips \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install zip and unzip - either for chromium or chrome
+RUN if [ "$USE_BROWSER" = "chromium" ] || [ "$USE_BROWSER" = "chrome" ]; then \
+    apt-get update  \
+    && apt-get install -y zip unzip \
+    && rm -rf /var/lib/apt/lists/*; \
+    fi
 
 # Install fonts if using either chromium or chrome
 RUN if [ "$USE_BROWSER" = "chromium" ] || [ "$USE_BROWSER" = "chrome" ]; then \
     apt-get update  \
-    && apt-get install -y fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf \
+    && apt-get install -y \
+        fontconfig \
+        fonts-freefont-ttf \
+        fonts-gfs-neohellenic \
+        fonts-indic \
+        fonts-ipafont-gothic \
+        fonts-kacst \
+        fonts-liberation \
+        fonts-noto-cjk \
+        fonts-noto-color-emoji \
+        fonts-roboto \
+        fonts-thai-tlwg \
+        fonts-wqy-zenhei \
+        fonts-open-sans \
       --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*; \
     fi
@@ -73,7 +142,7 @@ RUN if [ "$USE_BROWSER" = "chromium" ]; then \
 # Install Chrome
 # Available versions:
 # https://www.ubuntuupdates.org/package/google_chrome/stable/main/base/google-chrome-stable
-ARG CHROME_VERSION="126.0.6478.182-1"
+ARG CHROME_VERSION="130.0.6723.69-1"
 RUN if [ "$USE_BROWSER" = "chrome" ]; then \
         wget --no-verbose -O /tmp/chrome.deb https://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-stable/google-chrome-stable_${CHROME_VERSION}_amd64.deb \
           && apt-get update \
@@ -82,12 +151,25 @@ RUN if [ "$USE_BROWSER" = "chrome" ]; then \
           && rm -rf /var/lib/apt/lists/*; \
     fi
 
+# GOWS requirements
+# libc6
+RUN  apt-get update \
+     && apt-get install -y libc6 \
+     && rm -rf /var/lib/apt/lists/*
+
+# Set the ENV for docker image
+ENV WHATSAPP_DEFAULT_ENGINE=$WHATSAPP_DEFAULT_ENGINE
+
 # Attach sources, install packages
 WORKDIR /app
 COPY package.json ./
 COPY --from=build /src/node_modules ./node_modules
 COPY --from=build /src/dist ./dist
 COPY --from=dashboard /dashboard ./dist/dashboard
+COPY --from=gows /go/gows/bin/gows /app/gows
+ENV WAHA_GOWS_PATH /app/gows
+ENV WAHA_GOWS_SOCKET /tmp/gows.sock
+
 COPY entrypoint.sh /entrypoint.sh
 
 # Chokidar options to monitor file changes

Makefile

@@ -5,7 +5,10 @@ build-chrome:
 	docker build . -t devlikeapro/waha-plus:chrome --build-arg USE_BROWSER=chrome
 
 build-noweb:
-	docker build . -t devlikeapro/waha:noweb --build-arg USE_BROWSER=none
+	docker build . -t devlikeapro/waha:noweb --build-arg USE_BROWSER=none --build-arg WHATSAPP_DEFAULT_ENGINE=NOWEB
+
+build-plus-gows:
+	docker build . -t devlikeapro/waha-plus:gows --build-arg USE_BROWSER=none --build-arg WHATSAPP_DEFAULT_ENGINE=GOWS
 
 build-all: build build-chrome build-noweb
 
@@ -34,8 +37,27 @@ for-swagger:
 up-noweb:
 	. ${NVM_DIR}/nvm.sh && nvm exec yarn up @adiwajshing/baileys@github:devlikeapro/Baileys#fork-master-channels-678
 
+up-noweb-libsignal:
+	. ${NVM_DIR}/nvm.sh && nvm exec yarn up libsignal@github:devlikeapro/libsignal-node#fork-master
+
 up-webjs:
 	. ${NVM_DIR}/nvm.sh && nvm exec yarn up whatsapp-web.js@github:devlikeapro/whatsapp-web.js#fork-main-channels
 
 start-proxy:
 	docker run --rm -d --name squid-container -e TZ=UTC -p 3128:3128 ubuntu/squid:5.2-22.04_beta
+
+proto-gows:
+	rm -rf src/core/engines/gows/grpc
+	mkdir -p src/core/engines/gows/grpc
+	protoc \
+	--plugin=protoc-gen-ts=node_modules/.bin/protoc-gen-ts \
+	--plugin=protoc-gen-grpc=node_modules/.bin/grpc_tools_node_protoc_plugin \
+	--js_out=import_style=commonjs,binary:src/core/engines/gows/grpc \
+	--grpc_out=grpc_js:src/core/engines/gows/grpc \
+	--ts_out=grpc_js:src/core/engines/gows/grpc \
+	-I ../gows/proto ../gows/proto/gows.proto
+
+gows:
+	cd ../gows && \
+	export PATH=${HOME}/go/bin:${PATH} && \
+	make all

docker-compose.yaml

@@ -4,7 +4,7 @@ services:
     restart: always
     # https://waha.devlike.pro/docs/how-to/engines/#docker-images
     # https://portal.devlike.pro/docker-image
-    image: devlikeapro/waha-plus:latest
+    image: devlikeapro/waha-plus
     # WAHA Core
     # image: devlikeapro/waha:latest
 
@@ -13,7 +13,7 @@ services:
 
     volumes:
       # Store sessions in the .sessions folder (comment it if you're using MongoDB)
-      - './.sessions:/app/.sessions'
+      - './sessions:/app/.sessions'
 
       # Save media files
       # https://waha.devlike.pro/docs/how-to/storages/#save-media-files-between-the-container-restarts
@@ -24,7 +24,7 @@ services:
 
   # NOTE: Only if you're using MongoDB
   # https://waha.devlike.pro/docs/how-to/storages/#sessions---mongodb
-  # Comment this block if you're using MongoDB
+  # Uncomment this block if you're using MongoDB
 #  mongodb:
 #    image: mongo
 #    container_name: mongodb
@@ -32,11 +32,13 @@ services:
 #      - '127.0.0.1:27017:27017/tcp'
 #    volumes:
 #      - mongodb_data:/data/db
-#    restart: always
+#    environment:
+#      - MONGO_INITDB_ROOT_USERNAME=mongouser
+#      - MONGO_INITDB_ROOT_PASSWORD=mongopassword
 
 # NOTE: Only if you're using S3 to save media files
 # https://waha.devlike.pro/docs/how-to/storages/#media---s3
-# Comment this block if you're using AWS S3
+# Uncomment this block if you're using AWS S3
 #  minio:
 #    image: quay.io/minio/minio
 #    container_name: minio

entrypoint.sh

@@ -2,7 +2,7 @@
 
 # Calculate UV_THREADPOOL_SIZE based on number of CPUs
 cpus=$(node -e "const os = require('os'); console.log(os.cpus().length);")
-uv_threadpool_size=$(($cpus * 2))
+uv_threadpool_size=$(($cpus * 1))
 
 # Set UV_THREADPOOL_SIZE as an environment variable
 export UV_THREADPOOL_SIZE="${UV_THREADPOOL_SIZE:-$uv_threadpool_size}"

package.json

@@ -55,10 +55,12 @@
     "express-basic-auth": "^1.2.1",
     "file-type": "16.5.4",
     "fs-extra": "^11.2.0",
+    "google-protobuf": "^3.21.4",
     "https-proxy-agent": "^7.0.0",
     "joi": "^17.13.3",
     "knex": "^3.1.0",
     "libphonenumber-js": "^1.10.36",
+    "libsignal": "github:devlikeapro/libsignal-node#fork-master",
     "link-preview-js": "^3.0.4",
     "lodash": "^4.17.21",
     "mime-types": "^2.1.27",
@@ -70,17 +72,31 @@
     "pino-pretty": "^11.2.1",
     "pretty-bytes": "5.6.0",
     "promise-retry": "^2.0.1",
-    "puppeteer": "^21.0.0",
+    "puppeteer": "^23.6.0",
     "qrcode": "^1.5.1",
     "qrcode-terminal": "^0.12.0",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
-    "rxjs": "^7.1.0",
+    "rxjs": "^7.8.1",
     "sharp": "^0.33.4",
     "swagger-ui-express": "^4.1.4",
-    "whatsapp-web.js": "github:devlikeapro/whatsapp-web.js#fork-main-channels"
+    "ulid": "^2.3.0",
+    "whatsapp-web.js": "github:devlikeapro/whatsapp-web.js#fork-main-channels",
+    "write-file-atomic": "^6.0.0"
+  },
+  "optionalDependencies": {
+    "bufferutil": "^4.0.8"
+  },
+  "resolutions": {
+    "bufferutil": "^4.0.8",
+    "ws": "^8.18.0",
+    "puppeteer": "^23.6.0",
+    "whatwg-url": "13.0.0",
+    "libsignal": "github:devlikeapro/libsignal-node#fork-master"
   },
   "devDependencies": {
+    "@grpc/grpc-js": "^1.12.4",
+    "@grpc/proto-loader": "^0.7.13",
     "@nestjs/cli": "^9.0.0",
     "@nestjs/schematics": "^9.0.1",
     "@nestjs/testing": "^9.0.9",
@@ -94,8 +110,10 @@
     "eslint-config-prettier": "^6.10.0",
     "eslint-plugin-import": "^2.20.1",
     "eslint-plugin-simple-import-sort": "^10.0.0",
+    "grpc-tools": "^1.12.4",
     "jest": "^29.7.0",
     "prettier": "^1.19.1",
+    "protoc-gen-ts": "^0.8.7",
     "supertest": "^4.0.2",
     "ts-jest": "^29.1.3",
     "ts-loader": "^6.2.1",

src/api/channels.controller.ts

@@ -82,7 +82,7 @@ export class ChannelsController {
     }
   }
 
-  @Post('follow')
+  @Post(':id/follow')
   @SessionApiParam
   @NewsletterIdApiParam
   @ApiOperation({ summary: 'Follow the channel.' })
@@ -93,7 +93,7 @@ export class ChannelsController {
     return session.channelsFollowChannel(id);
   }
 
-  @Post('unfollow')
+  @Post(':id/unfollow')
   @SessionApiParam
   @NewsletterIdApiParam
   @ApiOperation({ summary: 'Unfollow the channel.' })
@@ -104,7 +104,7 @@ export class ChannelsController {
     return session.channelsUnfollowChannel(id);
   }
 
-  @Post('mute')
+  @Post(':id/mute')
   @SessionApiParam
   @NewsletterIdApiParam
   @ApiOperation({ summary: 'Mute the channel.' })
@@ -115,7 +115,7 @@ export class ChannelsController {
     return session.channelsMuteChannel(id);
   }
 
-  @Post('unmute')
+  @Post(':id/unmute')
   @SessionApiParam
   @NewsletterIdApiParam
   @ApiOperation({ summary: 'Unmute the channel.' })

src/api/chats.controller.ts

@@ -3,6 +3,7 @@ import {
   Controller,
   Delete,
   Get,
+  NotFoundException,
   Param,
   Post,
   Put,
@@ -20,8 +21,17 @@ import {
 
 import { SessionManager } from '../core/abc/manager.abc';
 import { WhatsappSession } from '../core/abc/session.abc';
-import { parseBool } from '../helpers';
-import { GetChatMessagesQuery, GetChatsQuery } from '../structures/chats.dto';
+import {
+  ChatPictureQuery,
+  ChatPictureResponse,
+  ChatsPaginationParams,
+  ChatSummary,
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+  OverviewPaginationParams,
+  PinMessageRequest,
+} from '../structures/chats.dto';
 import { EditMessageRequest } from '../structures/chatting.dto';
 
 @ApiSecurity('api_key')
@@ -36,9 +46,23 @@ class ChatsController {
   @ApiOperation({ summary: 'Get chats' })
   getChats(
     @WorkingSessionParam session: WhatsappSession,
-    @Query() query: GetChatsQuery,
+    @Query() pagination: ChatsPaginationParams,
   ) {
-    return session.getChats(query);
+    return session.getChats(pagination);
+  }
+
+  @Get('overview')
+  @SessionApiParam
+  @ApiOperation({
+    summary:
+      'Get chats overview. Includes all necessary things to build UI "your chats overview" page - chat id, name, picture, last message. Sorting by last message timestamp',
+  })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  getChatsOverview(
+    @WorkingSessionParam session: WhatsappSession,
+    @Query() pagination: OverviewPaginationParams,
+  ): Promise<ChatSummary[]> {
+    return session.getChatsOverview(pagination);
   }
 
   @Delete(':chatId')
@@ -52,17 +76,75 @@ class ChatsController {
     return session.deleteChat(chatId);
   }
 
+  @Get(':chatId/picture')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Gets chat picture' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async getChatPicture(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+    @Query() query: ChatPictureQuery,
+  ): Promise<ChatPictureResponse> {
+    const url = await session.getContactProfilePicture(chatId, query.refresh);
+    return { url: url };
+  }
+
   @Get(':chatId/messages')
   @SessionApiParam
   @ApiOperation({ summary: 'Gets messages in the chat' })
   @ChatIdApiParam
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
   getChatMessages(
     @Query() query: GetChatMessagesQuery,
+    @Query() filter: GetChatMessagesFilter,
     @WorkingSessionParam session: WhatsappSession,
     @Param('chatId') chatId: string,
   ) {
-    const downloadMedia = parseBool(query.downloadMedia);
-    return session.getChatMessages(chatId, query.limit, downloadMedia);
+    return session.getChatMessages(chatId, query, filter);
+  }
+
+  @Get(':chatId/messages/:messageId')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Gets message by id' })
+  @ChatIdApiParam
+  async getChatMessage(
+    @Query() query: GetChatMessageQuery,
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+    @Param('messageId') messageId: string,
+  ) {
+    const message = await session.getChatMessage(chatId, messageId, query);
+    if (!message) {
+      throw new NotFoundException('Message not found');
+    }
+    return message;
+  }
+
+  @Post(':chatId/messages/:messageId/pin')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Pins a message in the chat' })
+  @ChatIdApiParam
+  async pinMessage(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+    @Param('messageId') messageId: string,
+    @Body() body: PinMessageRequest,
+  ) {
+    const result = await session.pinMessage(chatId, messageId, body.duration);
+    return { success: result };
+  }
+
+  @Post(':chatId/messages/:messageId/unpin')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Unpins a message in the chat' })
+  @ChatIdApiParam
+  async unpinMessage(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+    @Param('messageId') messageId: string,
+  ) {
+    const result = await session.unpinMessage(chatId, messageId);
+    return { success: result };
   }
 
   @Delete(':chatId/messages')
@@ -124,6 +206,17 @@ class ChatsController {
   ) {
     return session.chatsUnarchiveChat(chatId);
   }
+
+  @Post(':chatId/unread')
+  @SessionApiParam
+  @ChatIdApiParam
+  @ApiOperation({ summary: 'Unread the chat' })
+  unreadChat(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+  ) {
+    return session.chatsUnreadChat(chatId);
+  }
 }
 
 export { ChatsController };

src/api/chatting.controller.ts

@@ -6,9 +6,11 @@ import {
   Put,
   Query,
   UsePipes,
+  ValidationPipe,
 } from '@nestjs/common';
 import { ApiOperation, ApiSecurity, ApiTags } from '@nestjs/swagger';
 import { WAHAValidationPipe } from '@waha/nestjs/pipes/WAHAValidationPipe';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
 import { SendButtonsRequest } from '@waha/structures/chatting.buttons.dto';
 
 import { SessionManager } from '../core/abc/manager.abc';
@@ -169,11 +171,10 @@ export class ChattingController {
     return whatsapp.sendLinkPreview(request);
   }
 
-  @Get('/messages')
-  @ApiOperation({ summary: 'Get messages in a chat' })
-  async getMessages(@Query() query: GetMessageQuery) {
-    const whatsapp = await this.manager.getWorkingSession(query.session);
-    return whatsapp.getMessages(query);
+  @Post('/sendContactVcard')
+  async sendContactVcard(@Body() request: MessageContactVcardRequest) {
+    const whatsapp = await this.manager.getWorkingSession(request.session);
+    return whatsapp.sendContactVCard(request);
   }
 
   @Get('/sendText')
@@ -186,10 +187,19 @@ export class ChattingController {
     return whatsapp.sendText(msg);
   }
 
-  @Post('/sendContactVcard')
-  async sendContactVcard(@Body() request: MessageContactVcardRequest) {
-    const whatsapp = await this.manager.getWorkingSession(request.session);
-    return whatsapp.sendContactVCard(request);
+  @Get('/messages')
+  @ApiOperation({
+    summary: 'Get messages in a chat',
+    description: 'DEPRECATED. Use "GET /api/chats/{id}/messages" instead',
+    deprecated: true,
+  })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async getMessages(
+    @Query() query: GetMessageQuery,
+    @Query() filter: GetChatMessagesFilter,
+  ) {
+    const whatsapp = await this.manager.getWorkingSession(query.session);
+    return whatsapp.getChatMessages(query.chatId, query, filter);
   }
 
   @Get('/checkNumberStatus')

src/api/contacts.controller.ts

@@ -1,4 +1,12 @@
-import { Body, Controller, Get, Post, Query } from '@nestjs/common';
+import {
+  Body,
+  Controller,
+  Get,
+  Post,
+  Query,
+  UsePipes,
+  ValidationPipe,
+} from '@nestjs/common';
 import { ApiOperation, ApiSecurity, ApiTags } from '@nestjs/swagger';
 
 import { SessionManager } from '../core/abc/manager.abc';
@@ -7,7 +15,12 @@ import {
   CheckNumberStatusQuery,
   WANumberExistResult,
 } from '../structures/chatting.dto';
-import { ContactQuery, ContactRequest } from '../structures/contacts.dto';
+import {
+  ContactProfilePictureQuery,
+  ContactQuery,
+  ContactRequest,
+  ContactsPaginationParams,
+} from '../structures/contacts.dto';
 
 @ApiSecurity('api_key')
 @Controller('api/contacts')
@@ -15,6 +28,17 @@ import { ContactQuery, ContactRequest } from '../structures/contacts.dto';
 export class ContactsController {
   constructor(private manager: SessionManager) {}
 
+  @Get('/all')
+  @ApiOperation({ summary: 'Get all contacts' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async getAll(
+    @Query() query: SessionQuery,
+    @Query() pagination: ContactsPaginationParams,
+  ) {
+    const whatsapp = await this.manager.getWorkingSession(query.session);
+    return whatsapp.getContacts(pagination);
+  }
+
   @Get('/')
   @ApiOperation({
     summary: 'Get contact basic info',
@@ -26,13 +50,6 @@ export class ContactsController {
     return whatsapp.getContact(query);
   }
 
-  @Get('/all')
-  @ApiOperation({ summary: 'Get all contacts' })
-  async getAll(@Query() query: SessionQuery) {
-    const whatsapp = await this.manager.getWorkingSession(query.session);
-    return whatsapp.getContacts();
-  }
-
   @Get('/check-exists')
   @ApiOperation({ summary: 'Check phone number is registered in WhatsApp.' })
   async checkExists(
@@ -59,9 +76,14 @@ export class ContactsController {
     description:
       'If privacy settings do not allow to get the picture, the method will return null.',
   })
-  async getProfilePicture(@Query() query: ContactQuery) {
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async getProfilePicture(@Query() query: ContactProfilePictureQuery) {
     const whatsapp = await this.manager.getWorkingSession(query.session);
-    return whatsapp.getContactProfilePicture(query);
+    const url = await whatsapp.getContactProfilePicture(
+      query.contactId,
+      query.refresh,
+    );
+    return { profilePictureURL: url };
   }
 
   @Post('/block')

src/api/groups.controller.ts

@@ -6,6 +6,9 @@ import {
   Param,
   Post,
   Put,
+  Query,
+  UsePipes,
+  ValidationPipe,
 } from '@nestjs/common';
 import { ApiOperation, ApiSecurity, ApiTags } from '@nestjs/swagger';
 import { GroupIdApiParam } from '@waha/nestjs/params/ChatIdApiParam';
@@ -19,6 +22,9 @@ import { WhatsappSession } from '../core/abc/session.abc';
 import {
   CreateGroupRequest,
   DescriptionRequest,
+  GroupsPaginationParams,
+  JoinGroupRequest,
+  JoinGroupResponse,
   ParticipantsRequest,
   SettingsSecurityChangeInfo,
   SubjectRequest,
@@ -40,11 +46,48 @@ export class GroupsController {
     return session.createGroup(request);
   }
 
+  @Get('join-info')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Get info about the group before joining.' })
+  async joinInfoGroup(
+    @WorkingSessionParam session: WhatsappSession,
+    @Query() query: JoinGroupRequest,
+  ): Promise<any> {
+    // https://chat.whatsapp.com/123 => 123
+    const code = query.code.split('/').pop();
+    return session.joinInfoGroup(code);
+  }
+
+  @Post('join')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Join group via code' })
+  async joinGroup(
+    @WorkingSessionParam session: WhatsappSession,
+    @Body() request: JoinGroupRequest,
+  ): Promise<JoinGroupResponse> {
+    // https://chat.whatsapp.com/123 => 123
+    const code = request.code.split('/').pop();
+    const id = await session.joinGroup(code);
+    return { id: id };
+  }
+
   @Get('')
   @SessionApiParam
   @ApiOperation({ summary: 'Get all groups.' })
-  getGroups(@WorkingSessionParam session: WhatsappSession) {
-    return session.getGroups();
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  getGroups(
+    @WorkingSessionParam session: WhatsappSession,
+    @Query() pagination: GroupsPaginationParams,
+  ) {
+    return session.getGroups(pagination);
+  }
+
+  @Post('refresh')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Refresh groups from the server.' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async refreshGroups(@WorkingSessionParam session: WhatsappSession) {
+    return { success: await session.refreshGroups() };
   }
 
   @Get(':id')

src/api/labels.controller.ts

@@ -1,4 +1,16 @@
-import { Body, Controller, Get, Param, Put } from '@nestjs/common';
+import {
+  Body,
+  Controller,
+  Delete,
+  Get,
+  NotFoundException,
+  Param,
+  Post,
+  Put,
+  UnprocessableEntityException,
+  UsePipes,
+  ValidationPipe,
+} from '@nestjs/common';
 import { ApiOperation, ApiSecurity, ApiTags } from '@nestjs/swagger';
 import { WhatsappSession } from '@waha/core/abc/session.abc';
 import { ChatIdApiParam } from '@waha/nestjs/params/ChatIdApiParam';
@@ -6,7 +18,12 @@ import {
   SessionApiParam,
   WorkingSessionParam,
 } from '@waha/nestjs/params/SessionApiParam';
-import { Label, SetLabelsRequest } from '@waha/structures/labels.dto';
+import {
+  Label,
+  LabelBody,
+  SetLabelsRequest,
+} from '@waha/structures/labels.dto';
+import * as lodash from 'lodash';
 
 import { SessionManager } from '../core/abc/manager.abc';
 
@@ -23,6 +40,78 @@ export class LabelsController {
     return session.getLabels();
   }
 
+  @Post('/')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Create a new label' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async create(
+    @WorkingSessionParam session: WhatsappSession,
+    @Body() body: LabelBody,
+  ): Promise<Label> {
+    const labelDto = body.toDTO();
+
+    const labels = await session.getLabels();
+    if (labels.length >= 20) {
+      throw new UnprocessableEntityException('Maximum 20 labels allowed');
+    }
+
+    const labelByName = lodash.find(labels, { name: labelDto.name });
+    if (labelByName) {
+      throw new UnprocessableEntityException(
+        `Label with '${labelByName.name}' already exists, id: ${labelByName.id}`,
+      );
+    }
+
+    return session.createLabel(labelDto);
+  }
+
+  @Put('/:labelId')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Update a label' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async update(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('labelId') labelId: string,
+    @Body() body: LabelBody,
+  ): Promise<Label> {
+    const label = await session.getLabel(labelId);
+    if (!label) {
+      throw new NotFoundException('Label not found');
+    }
+
+    const labelDto = body.toDTO();
+    const labels = await session.getLabels();
+
+    const labelByName = lodash.find(labels, { name: labelDto.name });
+    if (labelByName) {
+      throw new UnprocessableEntityException(
+        `Label with '${labelByName.name}' already exists, id: ${labelByName.id}`,
+      );
+    }
+
+    label.name = labelDto.name;
+    label.color = labelDto.color;
+    label.colorHex = Label.toHex(label.color);
+    await session.updateLabel(label);
+    return label;
+  }
+
+  @Delete('/:labelId')
+  @SessionApiParam
+  @ApiOperation({ summary: 'Delete a label' })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async delete(
+    @WorkingSessionParam session: WhatsappSession,
+    @Param('labelId') labelId: string,
+  ): Promise<any> {
+    const label = await session.getLabel(labelId);
+    if (!label) {
+      throw new NotFoundException('Label not found');
+    }
+    await session.deleteLabel(label);
+    return { result: true };
+  }
+
   @Get('/chats/:chatId')
   @SessionApiParam
   @ChatIdApiParam

src/api/sessions.controller.ts

@@ -135,6 +135,7 @@ class SessionsController {
   async delete(@Param('session') name: string): Promise<void> {
     await this.withLock(name, async () => {
       await this.manager.unassign(name);
+      await this.manager.unpair(name);
       await this.manager.stop(name, true);
       await this.manager.logout(name);
       await this.manager.delete(name);
@@ -190,6 +191,7 @@ class SessionsController {
         throw new NotFoundException('Session not found');
       }
       const isRunning = this.manager.isRunning(name);
+      await this.manager.unpair(name);
       await this.manager.stop(name, true);
       await this.manager.logout(name);
       if (isRunning) {
@@ -258,6 +260,7 @@ class SessionsController {
       // Old API did remove the session complete
       await this.withLock(name, async () => {
         await this.manager.unassign(name);
+        await this.manager.unpair(name);
         await this.manager.stop(name, true);
         await this.manager.logout(name);
         await this.manager.delete(name);
@@ -283,6 +286,7 @@ class SessionsController {
     const name = request.name;
     await this.withLock(name, async () => {
       await this.manager.unassign(name);
+      await this.manager.unpair(name);
       await this.manager.stop(name, true);
       await this.manager.logout(name);
       await this.manager.delete(name);

src/core/QR.ts

@@ -1,13 +1,16 @@
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const QRCode = require('qrcode');
+
 export class QR {
-  private base64: string;
   public raw?: string;
 
-  save(base64: string, raw?: string) {
-    this.base64 = base64.replace(/^data:image\/png;base64,/, '');
+  save(raw?: string) {
     this.raw = raw;
   }
 
-  get(): Buffer {
-    return Buffer.from(this.base64, 'base64');
+  async get(): Promise<Buffer> {
+    const url = await QRCode.toDataURL(this.raw);
+    const base64 = url.replace(/^data:image\/png;base64,/, '');
+    return Buffer.from(base64, 'base64');
   }
 }

src/core/abc/EngineBootstrap.ts

@@ -0,0 +1,15 @@
+export interface EngineBootstrap {
+  bootstrap(): Promise<void>;
+
+  shutdown(): Promise<void>;
+}
+
+export class NoopEngineBootstrap implements EngineBootstrap {
+  async bootstrap(): Promise<void> {
+    return;
+  }
+
+  async shutdown(): Promise<void> {
+    return;
+  }
+}

src/core/abc/manager.abc.ts

@@ -1,15 +1,22 @@
 import {
   BeforeApplicationShutdown,
+  OnApplicationBootstrap,
   UnprocessableEntityException,
 } from '@nestjs/common';
 import { WhatsappConfigService } from '@waha/config.service';
+import {
+  EngineBootstrap,
+  NoopEngineBootstrap,
+} from '@waha/core/abc/EngineBootstrap';
+import { GowsEngineConfigService } from '@waha/core/config/GowsEngineConfigService';
+import { GowsBootstrap } from '@waha/core/engines/gows/GowsBootstrap';
 import { ISessionMeRepository } from '@waha/core/storage/ISessionMeRepository';
 import { ISessionWorkerRepository } from '@waha/core/storage/ISessionWorkerRepository';
 import { WAHAWebhook } from '@waha/structures/webhooks.dto';
 import { waitUntil } from '@waha/utils/promiseTimeout';
 import { VERSION } from '@waha/version';
-import { EventEmitter } from 'events';
 import { PinoLogger } from 'nestjs-pino';
+import { merge, Observable, of } from 'rxjs';
 
 import {
   WAHAEngine,
@@ -25,28 +32,33 @@ import {
 import { ISessionAuthRepository } from '../storage/ISessionAuthRepository';
 import { ISessionConfigRepository } from '../storage/ISessionConfigRepository';
 import { WhatsappSession } from './session.abc';
-import { WebhookConductor } from './webhooks.abc';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const AsyncLock = require('async-lock');
 
-export abstract class SessionManager implements BeforeApplicationShutdown {
+export abstract class SessionManager
+  implements BeforeApplicationShutdown, OnApplicationBootstrap
+{
   public store: any;
   public sessionAuthRepository: ISessionAuthRepository;
   public sessionConfigRepository: ISessionConfigRepository;
   protected sessionMeRepository: ISessionMeRepository;
   protected sessionWorkerRepository: ISessionWorkerRepository;
-  public events: EventEmitter;
   private lock: any;
 
   WAIT_STATUS_INTERVAL = 500;
   WAIT_STATUS_TIMEOUT = 5_000;
+  LOCK_TIMEOUT = 10_000;
 
   protected constructor(
-    protected config: WhatsappConfigService,
     protected log: PinoLogger,
+    protected config: WhatsappConfigService,
+    protected gowsConfigService: GowsEngineConfigService,
   ) {
-    this.lock = new AsyncLock({ maxPending: Infinity });
+    this.lock = new AsyncLock({
+      maxPending: Infinity,
+      timeout: this.LOCK_TIMEOUT,
+    });
     this.log.setContext(SessionManager.name);
   }
 
@@ -72,7 +84,18 @@ export abstract class SessionManager implements BeforeApplicationShutdown {
 
   protected abstract get EngineClass(): typeof WhatsappSession;
 
-  protected abstract get WebhookConductorClass(): typeof WebhookConductor;
+  public getSessionEvent(session: string, event: WAHAEvents): Observable<any> {
+    return of();
+  }
+
+  public getSessionEvents(
+    session: string,
+    events: WAHAEvents[],
+  ): Observable<any> {
+    return merge(
+      ...events.map((event) => this.getSessionEvent(session, event)),
+    );
+  }
 
   //
   // API Methods
@@ -94,6 +117,8 @@ export abstract class SessionManager implements BeforeApplicationShutdown {
 
   abstract logout(name: string): Promise<void>;
 
+  abstract unpair(name: string): Promise<void>;
+
   abstract getSession(name: string): WhatsappSession;
 
   abstract getSessionInfo(name: string): Promise<SessionDetailedInfo | null>;
@@ -112,22 +137,6 @@ export abstract class SessionManager implements BeforeApplicationShutdown {
     await this.sessionWorkerRepository?.unassign(name, this.workerId);
   }
 
-  protected handleSessionEvent(event: WAHAEvents, session: WhatsappSession) {
-    return (payload: any) => {
-      const me = session.getSessionMeInfo();
-      const data: WAHAWebhook = {
-        event: event,
-        session: session.name,
-        metadata: session.sessionConfig?.metadata,
-        me: me,
-        payload: payload,
-        engine: session.engine,
-        environment: VERSION,
-      };
-      this.events.emit(event, data);
-    };
-  }
-
   async getWorkingSession(sessionName: string): Promise<WhatsappSession> {
     return this.waitUntilStatus(sessionName, [WAHASessionStatus.WORKING]);
   }
@@ -158,7 +167,42 @@ export abstract class SessionManager implements BeforeApplicationShutdown {
     return session;
   }
 
-  async beforeApplicationShutdown(signal?: string) {
-    this.events.removeAllListeners();
+  beforeApplicationShutdown(signal?: string) {
+    return;
+  }
+
+  onApplicationBootstrap(): any {
+    return;
+  }
+
+  protected getEngineBootstrap(engine: WAHAEngine): EngineBootstrap {
+    const logger = this.log.logger.child({ engine: engine.toLowerCase() });
+    if (engine === WAHAEngine.GOWS) {
+      const config = this.gowsConfigService.getBootstrapConfig();
+      return new GowsBootstrap(logger, config);
+    }
+    return new NoopEngineBootstrap();
   }
 }
+
+export function populateSessionInfo(
+  event: WAHAEvents,
+  session: WhatsappSession,
+) {
+  return (payload: any): WAHAWebhook => {
+    const id = payload._eventId;
+    const data = { ...payload };
+    delete data._eventId;
+    const me = session.getSessionMeInfo();
+    return {
+      id: id,
+      event: event,
+      session: session.name,
+      metadata: session.sessionConfig?.metadata,
+      me: me,
+      payload: data,
+      engine: session.engine,
+      environment: VERSION,
+    };
+  };
+}

src/core/abc/session.abc.ts

@@ -3,21 +3,44 @@ import {
   CreateChannelRequest,
   ListChannelsQuery,
 } from '@waha/structures/channels.dto';
-import { GetChatsQuery } from '@waha/structures/chats.dto';
+import {
+  ChatSummary,
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+} from '@waha/structures/chats.dto';
 import { SendButtonsRequest } from '@waha/structures/chatting.buttons.dto';
-import { Label, LabelID } from '@waha/structures/labels.dto';
+import { Label, LabelDTO, LabelID } from '@waha/structures/labels.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 import { WAMessage } from '@waha/structures/responses.dto';
+import { DefaultMap } from '@waha/utils/DefaultMap';
+import { generatePrefixedId } from '@waha/utils/ids';
 import { LoggerBuilder } from '@waha/utils/logging';
-import { EventEmitter } from 'events';
+import { complete } from '@waha/utils/reactive/complete';
+import { SwitchObservable } from '@waha/utils/reactive/SwitchObservable';
 import * as fs from 'fs';
+import * as lodash from 'lodash';
+import { PinoLogger } from 'nestjs-pino';
+import * as NodeCache from 'node-cache';
 import { Logger } from 'pino';
+import {
+  BehaviorSubject,
+  catchError,
+  delay,
+  filter,
+  of,
+  retry,
+  share,
+  Subject,
+  switchMap,
+} from 'rxjs';
+import { distinctUntilChanged, map } from 'rxjs/operators';
 import { MessageId } from 'whatsapp-web.js';
 
 import {
   ChatRequest,
   CheckNumberStatusQuery,
   EditMessageRequest,
-  GetMessageQuery,
   MessageContactVcardRequest,
   MessageFileRequest,
   MessageForwardRequest,
@@ -31,6 +54,7 @@ import {
   MessageTextRequest,
   MessageVideoRequest,
   MessageVoiceRequest,
+  SendSeenRequest,
 } from '../../structures/chatting.dto';
 import { ContactQuery, ContactRequest } from '../../structures/contacts.dto';
 import {
@@ -41,6 +65,7 @@ import {
 } from '../../structures/enums.dto';
 import {
   CreateGroupRequest,
+  GroupsPaginationParams,
   ParticipantsRequest,
   SettingsSecurityChangeInfo,
 } from '../../structures/groups.dto';
@@ -62,7 +87,6 @@ import { NotImplementedByEngineError } from '../exceptions';
 import { IMediaManager } from '../media/IMediaManager';
 import { QR } from '../QR';
 import { DataStore } from './DataStore';
-
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const qrcode = require('qrcode-terminal');
 
@@ -84,10 +108,6 @@ export function ensureSuffix(phone) {
   return phone + suffix;
 }
 
-export enum WAHAInternalEvent {
-  ENGINE_START = 'engine.start',
-}
-
 export interface SessionParams {
   name: string;
   printQR: boolean;
@@ -100,7 +120,6 @@ export interface SessionParams {
 }
 
 export abstract class WhatsappSession {
-  public events: EventEmitter;
   public engine: WAHAEngine;
 
   public name: string;
@@ -111,9 +130,15 @@ export abstract class WhatsappSession {
   protected proxyConfig?: ProxyConfig;
   public sessionConfig?: SessionConfig;
   protected engineConfig?: any;
+  protected unpairing: boolean = false;
 
   private _status: WAHASessionStatus;
   private shouldPrintQR: boolean;
+  protected events2: DefaultMap<WAHAEvents, SwitchObservable<any>>;
+  private status$: Subject<WAHASessionStatus>;
+  protected profilePictures: NodeCache = new NodeCache({
+    stdTTL: 24 * 60 * 60, // 1 day
+  });
 
   public constructor({
     name,
@@ -125,11 +150,64 @@ export abstract class WhatsappSession {
     sessionConfig,
     engineConfig,
   }: SessionParams) {
-    this.events = new EventEmitter();
+    this.status$ = new BehaviorSubject(null);
+
     this.name = name;
     this.proxyConfig = proxyConfig;
     this.loggerBuilder = loggerBuilder;
     this.logger = loggerBuilder.child({ name: 'WhatsappSession' });
+    this.events2 = new DefaultMap<WAHAEvents, SwitchObservable<any>>(
+      (key) =>
+        new SwitchObservable((obs$) => {
+          return obs$.pipe(
+            catchError((err) => {
+              this.logger.error(
+                `Caught error, dropping value from, event: '${key}'`,
+              );
+              this.logger.error(err, err.stack);
+              throw err;
+            }),
+            filter(Boolean),
+            map((data) => {
+              data._eventId = generatePrefixedId('evt');
+              return data;
+            }),
+            retry(),
+            share(),
+          );
+        }),
+    );
+
+    this.events2.get(WAHAEvents.SESSION_STATUS).switch(
+      this.status$
+        // initial value is null
+        .pipe(filter(Boolean))
+        // Wait for WORKING status to get all the info
+        // https://github.com/devlikeapro/waha/issues/409
+        .pipe(
+          switchMap((status: WAHASessionStatus) => {
+            const me = this.getSessionMeInfo();
+            const hasMe = !!me?.pushName && !!me?.id;
+            // Delay WORKING by 1 second if condition is met
+            // Usually we get WORKING with all the info after
+            if (status === WAHASessionStatus.WORKING && !hasMe) {
+              return of(status).pipe(delay(2000));
+            }
+            return of(status);
+          }),
+          // Remove consecutive duplicate WORKING statuses
+          distinctUntilChanged(
+            (prev, curr) => prev === curr && curr === WAHASessionStatus.WORKING,
+          ),
+        )
+        // Populate the session info
+        .pipe(
+          map<WAHASessionStatus, WASessionStatusBody>((status) => {
+            return { name: this.name, status: status };
+          }),
+        ),
+    );
+
     this.sessionStore = sessionStore;
     this.mediaManager = mediaManager;
     this.sessionConfig = sessionConfig;
@@ -137,10 +215,18 @@ export abstract class WhatsappSession {
     this.shouldPrintQR = printQR;
   }
 
+  public getEventObservable(event: WAHAEvents) {
+    return this.events2.get(event);
+  }
+
   protected set status(value: WAHASessionStatus) {
+    if (this.unpairing && value !== WAHASessionStatus.STOPPED) {
+      // In case of unpairing
+      // wait for STOPPED event, ignore the rest
+      return;
+    }
     this._status = value;
-    const body: WASessionStatusBody = { name: this.name, status: value };
-    this.events.emit(WAHAEvents.SESSION_STATUS, body);
+    this.status$.next(value);
   }
 
   public get status() {
@@ -162,12 +248,16 @@ export abstract class WhatsappSession {
       '--disable-accelerated-2d-canvas',
       '--disable-application-cache',
       '--disable-background-networking',
+      // DO NOT disable software rasterizer, it will break the video
+      // https://github.com/devlikeapro/waha/issues/629
+      // '--disable-software-rasterizer',
       '--disable-cache',
       '--disable-client-side-phishing-detection',
       '--disable-component-update',
       '--disable-default-apps',
       '--disable-dev-shm-usage',
       '--disable-extensions',
+      '--disable-features=site-per-process',
       '--disable-gpu',
       '--disable-offer-store-unmasked-wallet-cards',
       '--disable-offline-load-stale-cache',
@@ -182,7 +272,8 @@ export abstract class WhatsappSession {
       '--hide-scrollbars',
       '--ignore-certificate-errors',
       '--ignore-ssl-errors',
-      '--in-process-gpu', // https://superuser.com/questions/654565/how-to-run-google-chrome-in-a-single-process
+      // https://github.com/devlikeapro/waha/issues/725
+      // '--in-process-gpu', // https://superuser.com/questions/654565/how-to-run-google-chrome-in-a-single-process
       '--metrics-recording-only',
       '--mute-audio',
       '--no-default-browser-check',
@@ -193,8 +284,9 @@ export abstract class WhatsappSession {
       '--password-store=basic',
       '--renderer-process-limit=2', // https://superuser.com/questions/654565/how-to-run-google-chrome-in-a-single-process
       '--safebrowsing-disable-auto-update',
-      '--single-process',
+      // '--single-process',
       '--use-mock-keychain',
+      '--window-size=1280,720',
     ];
   }
 
@@ -208,24 +300,14 @@ export abstract class WhatsappSession {
   /** Stop the session */
   abstract stop(): Promise<void>;
 
-  /** Subscribe the handler to specific hook */
-  subscribeSessionEvent(
-    hook: WAHAEvents | string,
-    handler: (message) => void,
-  ): boolean {
-    switch (hook) {
-      case WAHAEvents.SESSION_STATUS:
-        this.events.on(WAHAEvents.SESSION_STATUS, handler);
-        return true;
-      default:
-        return false;
-    }
+  protected stopEvents() {
+    complete(this.events2);
   }
 
-  abstract subscribeEngineEvent(
-    hook: WAHAEvents | string,
-    handler: (message) => void,
-  ): boolean;
+  /* Unpair the account */
+  async unpair(): Promise<void> {
+    return;
+  }
 
   /**
    * START - Methods for API
@@ -300,16 +382,12 @@ export abstract class WhatsappSession {
 
   abstract reply(request: MessageReplyRequest);
 
-  abstract sendSeen(chat: ChatRequest);
+  abstract sendSeen(chat: SendSeenRequest);
 
   abstract startTyping(chat: ChatRequest);
 
   abstract stopTyping(chat: ChatRequest);
 
-  getMessages(query: GetMessageQuery) {
-    throw new NotImplementedByEngineError();
-  }
-
   abstract setReaction(request: MessageReactionRequest);
 
   setStar(request: MessageStarRequest): Promise<void> {
@@ -319,7 +397,13 @@ export abstract class WhatsappSession {
   /**
    * Chats methods
    */
-  public getChats(query: GetChatsQuery) {
+  public getChats(pagination: PaginationParams) {
+    throw new NotImplementedByEngineError();
+  }
+
+  public getChatsOverview(
+    pagination: PaginationParams,
+  ): Promise<ChatSummary[]> {
     throw new NotImplementedByEngineError();
   }
 
@@ -329,12 +413,32 @@ export abstract class WhatsappSession {
 
   public getChatMessages(
     chatId: string,
-    limit: number,
-    downloadMedia: boolean,
+    query: GetChatMessagesQuery,
+    filter: GetChatMessagesFilter,
   ) {
     throw new NotImplementedByEngineError();
   }
 
+  public getChatMessage(
+    chatId: string,
+    messageId: string,
+    query: GetChatMessageQuery,
+  ): Promise<null | WAMessage> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public pinMessage(
+    chatId: string,
+    messageId: string,
+    duration: number,
+  ): Promise<boolean> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public unpinMessage(chatId: string, messageId: string): Promise<boolean> {
+    throw new NotImplementedByEngineError();
+  }
+
   public deleteMessage(chatId: string, messageId: string) {
     throw new NotImplementedByEngineError();
   }
@@ -359,14 +463,34 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
+  public chatsUnreadChat(chatId: string): Promise<any> {
+    throw new NotImplementedByEngineError();
+  }
+
   /**
    * Labels methods
    */
+  public async getLabel(labelId: string): Promise<Label | undefined> {
+    const labels = await this.getLabels();
+    return lodash.find(labels, { id: labelId });
+  }
 
   public getLabels(): Promise<Label[]> {
     throw new NotImplementedByEngineError();
   }
 
+  public async createLabel(label: LabelDTO): Promise<Label> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public async updateLabel(label: Label): Promise<Label> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public async deleteLabel(label: Label): Promise<void> {
+    throw new NotImplementedByEngineError();
+  }
+
   public getChatsByLabelId(labelId: string) {
     throw new NotImplementedByEngineError();
   }
@@ -386,7 +510,7 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
-  public getContacts() {
+  public getContacts(pagination: PaginationParams) {
     throw new NotImplementedByEngineError();
   }
 
@@ -394,8 +518,32 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
-  public getContactProfilePicture(query: ContactQuery) {
-    throw new NotImplementedByEngineError();
+  /**
+   * Fetch the latest profile picture of the contact (group, newsletter, etc.)
+   * @param id
+   */
+  abstract fetchContactProfilePicture(id: string): Promise<string | null>;
+
+  public async getContactProfilePicture(
+    id: string,
+    refresh: boolean,
+  ): Promise<string | null> {
+    const has: boolean = this.profilePictures.has(id);
+    if (!has || refresh) {
+      await this.refreshProfilePicture(id);
+    }
+    return this.profilePictures.get(id) || null;
+  }
+
+  protected async refreshProfilePicture(id: string) {
+    this.profilePictures.del(id);
+    const url = await this.fetchContactProfilePicture(id).catch((err) => {
+      this.logger.error('Error fetching profile picture');
+      this.logger.error(err, err.stack);
+      return null;
+    });
+    this.profilePictures.set(id, url);
+    return url;
   }
 
   public blockContact(request: ContactRequest) {
@@ -413,7 +561,19 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
-  public getGroups() {
+  public joinGroup(code: string): Promise<string> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public joinInfoGroup(code: string): Promise<any> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public getGroups(pagination: PaginationParams) {
+    throw new NotImplementedByEngineError();
+  }
+
+  public refreshGroups(): Promise<boolean> {
     throw new NotImplementedByEngineError();
   }
 
@@ -493,7 +653,7 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
-  public subscribePresence(id: string): Promise<void> {
+  public subscribePresence(id: string): Promise<any> {
     throw new NotImplementedByEngineError();
   }
 

src/core/abc/webhooks.abc.ts

@@ -1,26 +0,0 @@
-import { LoggerBuilder } from '@waha/utils/logging';
-import { Logger } from 'pino';
-
-import { WebhookConfig } from '../../structures/webhooks.config.dto';
-import { WhatsappSession } from './session.abc';
-
-export abstract class WebhookSender {
-  protected url: string;
-  protected logger: Logger;
-  protected readonly config: WebhookConfig;
-
-  constructor(
-    loggerBuilder: LoggerBuilder,
-    protected webhookConfig: WebhookConfig,
-  ) {
-    this.url = webhookConfig.url;
-    this.logger = loggerBuilder.child({ name: WebhookSender.name });
-    this.config = webhookConfig;
-  }
-
-  abstract send(json: any): void;
-}
-
-export abstract class WebhookConductor {
-  abstract configure(session: WhatsappSession, webhooks: WebhookConfig[]);
-}

src/core/api/websocket.gateway.core.ts

@@ -14,10 +14,10 @@ import {
 import { SessionManager } from '@waha/core/abc/manager.abc';
 import { WebsocketHeartbeatJob } from '@waha/nestjs/ws/WebsocketHeartbeatJob';
 import { WebSocket } from '@waha/nestjs/ws/ws';
-import { WAHAEvents } from '@waha/structures/enums.dto';
+import { WAHAEvents, WAHAEventsWild } from '@waha/structures/enums.dto';
+import { EventWildUnmask } from '@waha/utils/events';
 import { generatePrefixedId } from '@waha/utils/ids';
 import { IncomingMessage } from 'http';
-import * as lodash from 'lodash';
 import * as url from 'url';
 import { Server } from 'ws';
 
@@ -37,11 +37,9 @@ export class WebsocketGatewayCore
   @WebSocketServer()
   server: Server;
 
-  private listeners: Map<WebSocket, { session: string; events: string[] }> =
-    new Map();
-
   private readonly logger: LoggerService;
   private heartbeat: WebsocketHeartbeatJob;
+  private eventUnmask = new EventWildUnmask(WAHAEvents, WAHAEventsWild);
 
   constructor(private manager: SessionManager) {
     this.logger = new Logger('WebsocketGateway');
@@ -56,49 +54,44 @@ export class WebsocketGatewayCore
     const id = generatePrefixedId('wsc');
     socket.id = id;
     this.logger.debug(`New client connected: ${request.url}`);
-    const params = this.getParams(id, request, socket);
-    if (!params) {
-      return;
-    }
-    const { session, events } = params;
+    const params = this.getParams(request);
+    const session: string = params.session;
+    const events: WAHAEvents[] = params.events;
     this.logger.debug(
       `Client connected to session: '${session}', events: ${events}, ${id}`,
     );
-    this.listeners.set(socket, { session, events });
+
+    const sub = this.manager
+      .getSessionEvents(session, events)
+      .subscribe((data) => {
+        this.logger.debug(`Sending data to client, event.id: ${data.id}`, data);
+        socket.send(JSON.stringify(data), (err) => {
+          if (!err) {
+            return;
+          }
+          this.logger.error(`Error sending data to client: ${err}`);
+        });
+      });
+    socket.on('close', () => {
+      this.logger.debug(`Client disconnected - ${socket.id}`);
+      sub.unsubscribe();
+    });
   }
 
-  private getParams(id: string, request: IncomingMessage, socket: WebSocket) {
+  private getParams(request: IncomingMessage) {
     const query = url.parse(request.url, true).query;
     const session = (query.session as string) || '*';
-    if (session !== '*') {
-      this.logger.warn(
-        `Only connecting to all sessions is allowed for now, use session=*, ${id}`,
-      );
-      const error =
-        'Only connecting to all sessions is allowed for now, use session=*';
-      socket.close(4001, JSON.stringify({ error }));
-      return null;
-    }
-
-    const events = ((query.events as string) || '*').split(',');
-    if (
-      !lodash.isEqual(events, ['*']) &&
-      !lodash.isEqual(events, [WAHAEvents.SESSION_STATUS])
-    ) {
-      this.logger.warn(
-        `Only \'session.status\' event is allowed for now, use events=session.status or events=*, ${id}`,
-      );
-      const error =
-        "Only 'session.status' event is allowed for now, use events=session.status or events=*";
-      socket.close(4001, JSON.stringify({ error }));
-      return null;
+    let paramsEvents = (query.events as string[]) || '*';
+    // if params events string - split by ","
+    if (typeof paramsEvents === 'string') {
+      paramsEvents = paramsEvents.split(',');
     }
+    const events = this.eventUnmask.unmask(paramsEvents);
     return { session, events };
   }
 
   handleDisconnect(socket: WebSocket): any {
     this.logger.debug(`Client disconnected - ${socket.id}`);
-    this.listeners.delete(socket);
   }
 
   async beforeApplicationShutdown(signal?: string) {
@@ -118,24 +111,9 @@ export class WebsocketGatewayCore
 
   afterInit(server: Server) {
     this.logger.debug('Websocket server initialized');
-    this.manager.events.on(
-      WAHAEvents.SESSION_STATUS,
-      this.sendToAll.bind(this),
-    );
-    this.logger.debug('Subscribed to manager events');
 
     this.logger.debug('Starting heartbeat service...');
     this.heartbeat.start(server);
     this.logger.debug('Heartbeat service started');
   }
-
-  sendToAll(data: any) {
-    this.listeners.forEach((options, client) => {
-      if (options.events.length === 0) {
-        return;
-      }
-      this.logger.debug('Sending data to client', data);
-      client.send(JSON.stringify(data));
-    });
-  }
 }

src/core/app.module.core.ts

@@ -10,6 +10,8 @@ import {
   ServerDebugController,
 } from '@waha/api/server.controller';
 import { WebsocketGatewayCore } from '@waha/core/api/websocket.gateway.core';
+import { GowsEngineConfigService } from '@waha/core/config/GowsEngineConfigService';
+import { WebJSEngineConfigService } from '@waha/core/config/WebJSEngineConfigService';
 import { MediaLocalStorageModule } from '@waha/core/media/local/media.local.storage.module';
 import { MediaLocalStorageConfig } from '@waha/core/media/local/MediaLocalStorageConfig';
 import { BufferJsonReplacerInterceptor } from '@waha/nestjs/BufferJsonReplacerInterceptor';
@@ -146,6 +148,8 @@ const PROVIDERS = [
   },
   DashboardConfigServiceCore,
   SwaggerConfigServiceCore,
+  WebJSEngineConfigService,
+  GowsEngineConfigService,
   WhatsappConfigService,
   EngineConfigService,
   WebsocketGatewayCore,

src/core/config/GowsEngineConfigService.ts

@@ -0,0 +1,26 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { BootstrapConfig } from '@waha/core/engines/gows/GowsBootstrap';
+import { GowsConfig } from '@waha/core/engines/gows/session.gows.core';
+
+@Injectable()
+export class GowsEngineConfigService {
+  constructor(protected configService: ConfigService) {}
+
+  getBootstrapConfig(): BootstrapConfig {
+    return {
+      path: this.configService.get('WAHA_GOWS_PATH'),
+      socket: this.getSocket(),
+    };
+  }
+
+  getSocket() {
+    return this.configService.get('WAHA_GOWS_SOCKET', '/tmp/gows.sock');
+  }
+
+  getConfig(): GowsConfig {
+    return {
+      connection: 'unix:' + this.getSocket(),
+    };
+  }
+}

src/core/config/WebJSEngineConfigService.ts

@@ -0,0 +1,37 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+
+import { WebJSConfig } from '../../core/engines/webjs/session.webjs.core';
+
+@Injectable()
+export class WebJSEngineConfigService {
+  constructor(protected configService: ConfigService) {}
+
+  getConfig(): WebJSConfig {
+    let webVersion = this.configService.get<string>(
+      'WAHA_WEBJS_WEB_VERSION',
+      undefined,
+    );
+    if (webVersion === '2.2412.54-videofix') {
+      // Deprecated version
+      webVersion = undefined;
+    }
+    return {
+      webVersion: webVersion,
+      cacheType: this.getCacheType(),
+    };
+  }
+
+  getCacheType(): 'local' | 'none' {
+    const cacheType = this.configService
+      .get<string>('WAHA_WEBJS_CACHE_TYPE', 'none')
+      .toLowerCase();
+    if (cacheType != 'local' && cacheType != 'none') {
+      throw new Error(
+        'Invalid cache type, only "local" and "none" are allowed',
+      );
+    }
+
+    return cacheType;
+  }
+}

src/core/engines/gows/EventsFromObservable.ts

@@ -0,0 +1,31 @@
+import { EventEmitter } from 'events';
+import { Observable, Subscription } from 'rxjs';
+
+interface EventValue<T> {
+  event: string;
+  data: T;
+}
+
+export class EventsFromObservable<Events extends string> extends EventEmitter {
+  private subscription: Subscription;
+
+  constructor(private observable: Observable<EventValue<any>>) {
+    super();
+  }
+
+  on(event: Events, listener: (...args: any[]) => void): this {
+    return super.on(event as string, listener);
+  }
+
+  start() {
+    this.subscription = this.observable.subscribe({
+      next: (data) => this.emit(data.event, data.data),
+      complete: () => this.removeAllListeners(),
+      error: (err) => null,
+    });
+  }
+
+  stop() {
+    this.subscription.unsubscribe();
+  }
+}

src/core/engines/gows/GowsBootstrap.ts

@@ -0,0 +1,72 @@
+import { EngineBootstrap } from '@waha/core/abc/EngineBootstrap';
+import { GowsSubprocess } from '@waha/core/engines/gows/GowsSubprocess';
+import { promises as fs } from 'fs';
+import { Logger } from 'pino';
+
+export async function isUnixSocket(socketPath: string): Promise<boolean> {
+  try {
+    // Get the file stats
+    const stats = await fs.lstat(socketPath);
+    // Check if the path is a socket
+    return stats.isSocket();
+  } catch (error) {
+    // Handle errors (e.g., file does not exist)
+    if (error.code === 'ENOENT') {
+      return false; // Path does not exist
+    }
+    // Re-throw other errors for debugging purposes
+    throw error;
+  }
+}
+
+export interface BootstrapConfig {
+  path: string;
+  socket: string;
+}
+
+export class GowsBootstrap implements EngineBootstrap {
+  private gows: GowsSubprocess;
+
+  constructor(
+    private logger: Logger,
+    private config: BootstrapConfig,
+  ) {}
+
+  async bootstrap(): Promise<void> {
+    if (!this.config.path) {
+      this.logger.warn('GOWS path is not set, skipping GOWS initialization.');
+      this.logger.warn('Make sure to run GOWS manually.');
+      this.checkSocket(this.config.socket);
+      return;
+    }
+
+    this.gows = new GowsSubprocess(
+      this.logger,
+      this.config.path,
+      this.config.socket,
+    );
+    this.gows.start(() => {
+      this.logger.info(`GOWS stopped, exiting...`);
+      process.kill(process.pid, 'SIGTERM');
+    });
+    await this.gows.waitWhenReady(10_000);
+    await this.checkSocket(this.config.socket);
+    return;
+  }
+
+  async shutdown(): Promise<void> {
+    if (this.gows) {
+      await this.gows.stop();
+    }
+  }
+
+  /**
+   * Check the provided path exists and is a socket
+   * @param path
+   */
+  async checkSocket(path: string) {
+    if (!(await isUnixSocket(path))) {
+      throw new Error(`Invalid socket path: ${path}`);
+    }
+  }
+}

src/core/engines/gows/GowsEventStreamObservable.ts

@@ -0,0 +1,69 @@
+import * as grpc from '@grpc/grpc-js';
+import { messages } from '@waha/core/engines/gows/grpc/gows';
+import { EnginePayload } from '@waha/structures/webhooks.dto';
+import { sleep } from '@waha/utils/promiseTimeout';
+import { Logger } from 'pino';
+import { Observable } from 'rxjs';
+
+/**
+ * Observable that listens to a gRPC stream and emits EnginePayload objects.
+ * Pass a factory function that returns a client and a stream.
+ */
+export class GowsEventStreamObservable extends Observable<EnginePayload> {
+  _client: grpc.Client;
+  CLIENT_CLOSE_TIMEOUT = 1_000;
+
+  constructor(
+    private logger: Logger,
+    factory: () => {
+      client: grpc.Client;
+      stream: grpc.ClientReadableStream<messages.EventJson>;
+    },
+  ) {
+    super((subscriber) => {
+      this.logger.debug('Creating grpc client and stream...');
+      const { client, stream } = factory();
+      this._client = client;
+
+      stream.on('data', (raw) => {
+        const obj = raw.toObject();
+        obj.data = JSON.parse(obj.data);
+        subscriber?.next(obj);
+      });
+
+      stream.on('end', (...args) => {
+        this.logger.debug('Stream ended', args);
+        subscriber?.complete();
+        subscriber = null;
+      });
+
+      stream.on('error', async (err: any) => {
+        const CLIENT_CANCELLED_CODE = grpc.status.CANCELLED;
+        if (err.code === CLIENT_CANCELLED_CODE) {
+          this.logger.debug('Stream cancelled by client');
+          return;
+        }
+        this.logger.error(err, 'Stream error');
+        // Give some time to node event loop to process the error
+        await sleep(100);
+        subscriber?.error(err);
+        subscriber = null;
+      });
+
+      return async () => {
+        this.logger.debug('Closing stream client...');
+        client.close();
+        await sleep(this.CLIENT_CLOSE_TIMEOUT);
+        this.logger.debug('Stream client closed');
+
+        this.logger.debug('Cancelling stream...');
+        stream.cancel();
+        this.logger.debug('Stream cancelled');
+      };
+    });
+  }
+
+  get client(): Omit<grpc.Client, 'close'> {
+    return this._client;
+  }
+}

src/core/engines/gows/GowsSubprocess.ts

@@ -0,0 +1,98 @@
+import { sleep, waitUntil } from '@waha/utils/promiseTimeout';
+import { spawn } from 'child_process';
+import { Logger } from 'pino';
+
+export class GowsSubprocess {
+  private checkIntervalMs: number = 100;
+  private readyDelayMs: number = 1_000;
+  private readyText = 'gRPC server started!';
+
+  private child: any;
+  private ready: boolean = false;
+
+  constructor(
+    private logger: Logger,
+    readonly path: string,
+    readonly socket: string,
+  ) {}
+
+  start(onExit: (code: number) => void) {
+    this.logger.info('Starting GOWS subprocess...');
+    this.logger.debug(`GOWS path '${this.path}', socket: '${this.socket}'...`);
+
+    this.child = spawn(this.path, ['--socket', this.socket]);
+    this.logger.debug(`GOWS started with PID: ${this.child.pid}`);
+    this.child.on('close', async (code, singal) => {
+      const msg = code
+        ? `GOWS subprocess closed with code ${code}`
+        : `GOWS subprocess closed by signal ${singal}`;
+      this.logger.debug(msg);
+      onExit(code);
+    });
+    this.child.on('error', (err) => {
+      this.logger.error(`GOWS subprocess error: ${err}`);
+    });
+
+    this.child.stderr.setEncoding('utf8');
+    this.child.stderr.on('data', (data) => {
+      this.logger.error(data);
+    });
+
+    this.child.stdout.setEncoding('utf8');
+    this.child.stdout.on('data', async (data) => {
+      // remove empty line at the end, split by \n
+      const lines = data.trim().split('\n');
+      lines.forEach((line) => this.log(line));
+    });
+    this.listenReady();
+  }
+
+  listenReady() {
+    this.child.stdout.on('data', async (data) => {
+      if (this.ready) {
+        return;
+      }
+      if (!data.includes(this.readyText)) {
+        return;
+      }
+      await sleep(this.readyDelayMs);
+      this.ready = true;
+      this.logger.info('GOWS is ready');
+    });
+  }
+
+  async waitWhenReady(timeout: number) {
+    const started = await waitUntil(
+      async () => this.ready,
+      this.checkIntervalMs,
+      timeout,
+    );
+    if (!started) {
+      const msg = 'GOWS did not start after 10 seconds';
+      this.logger.error(msg);
+      throw new Error(msg);
+    }
+  }
+
+  async stop() {
+    this.logger.info('Stopping GOWS subprocess...');
+    this.child?.kill();
+    this.logger.info('GOWS subprocess stopped');
+  }
+
+  private log(msg) {
+    if (msg.startsWith('ERROR | ')) {
+      this.logger.error(msg.slice(8));
+    } else if (msg.startsWith('WARN | ')) {
+      this.logger.warn(msg.slice(7));
+    } else if (msg.startsWith('INFO | ')) {
+      this.logger.info(msg.slice(7));
+    } else if (msg.startsWith('DEBUG | ')) {
+      this.logger.debug(msg.slice(8));
+    } else if (msg.startsWith('TRACE | ')) {
+      this.logger.trace(msg.slice(8));
+    } else {
+      this.logger.info(msg);
+    }
+  }
+}

src/core/engines/gows/session.gows.core.ts

@@ -0,0 +1,890 @@
+import { isJidGroup, jidNormalizedUser } from '@adiwajshing/baileys';
+import * as grpc from '@grpc/grpc-js';
+import { connectivityState } from '@grpc/grpc-js';
+import { UnprocessableEntityException } from '@nestjs/common';
+import { WhatsappSession } from '@waha/core/abc/session.abc';
+import { EventsFromObservable } from '@waha/core/engines/gows/EventsFromObservable';
+import { GowsEventStreamObservable } from '@waha/core/engines/gows/GowsEventStreamObservable';
+import { messages } from '@waha/core/engines/gows/grpc/gows';
+import { GowsAuthFactoryCore } from '@waha/core/engines/gows/store/GowsAuthFactoryCore';
+import {
+  parseMessageIdSerialized,
+  toCusFormat,
+  toJID,
+} from '@waha/core/engines/noweb/session.noweb.core';
+import { AvailableInPlusVersion } from '@waha/core/exceptions';
+import { IMediaEngineProcessor } from '@waha/core/media/IMediaEngineProcessor';
+import { QR } from '@waha/core/QR';
+import {
+  ChatRequest,
+  CheckNumberStatusQuery,
+  MessageFileRequest,
+  MessageForwardRequest,
+  MessageImageRequest,
+  MessageLocationRequest,
+  MessageReactionRequest,
+  MessageReplyRequest,
+  MessageTextRequest,
+  MessageVoiceRequest,
+  SendSeenRequest,
+} from '@waha/structures/chatting.dto';
+import {
+  ACK_UNKNOWN,
+  WAHAEvents,
+  WAHAPresenceStatus,
+  WAHASessionStatus,
+  WAMessageAck,
+} from '@waha/structures/enums.dto';
+import {
+  WAHAChatPresences,
+  WAHAPresenceData,
+} from '@waha/structures/presence.dto';
+import { WAMessage, WAMessageReaction } from '@waha/structures/responses.dto';
+import { MeInfo, ProxyConfig } from '@waha/structures/sessions.dto';
+import { EnginePayload, WAMessageAckBody } from '@waha/structures/webhooks.dto';
+import { sleep, waitUntil } from '@waha/utils/promiseTimeout';
+import { onlyEvent } from '@waha/utils/reactive/ops/onlyEvent';
+import * as NodeCache from 'node-cache';
+import {
+  debounceTime,
+  filter,
+  groupBy,
+  merge,
+  mergeMap,
+  Observable,
+  partition,
+  retry,
+  share,
+} from 'rxjs';
+import { map } from 'rxjs/operators';
+import { promisify } from 'util';
+
+import * as gows from './types';
+import MessageServiceClient = messages.MessageServiceClient;
+
+enum WhatsMeowEvent {
+  CONNECTED = 'gows.ConnectedEventData',
+  DISCONNECTED = 'events.Disconnected',
+  KEEP_ALIVE_TIMEOUT = 'events.KeepAliveTimeout',
+  QR_CHANNEL_ITEM = 'whatsmeow.QRChannelItem',
+  MESSAGE = 'events.Message',
+  RECEIPT = 'events.Receipt',
+  PRESENCE = 'events.Presence',
+  CHAT_PRESENCE = 'events.ChatPresence',
+  PUSH_NAME_SETTING = 'events.PushNameSetting',
+  LOGGED_OUT = 'events.LoggedOut',
+}
+
+export interface GowsConfig {
+  connection: string;
+}
+
+export class WhatsappSessionGoWSCore extends WhatsappSession {
+  protected authFactory = new GowsAuthFactoryCore();
+
+  protected qr: QR;
+  public client: MessageServiceClient;
+  protected stream$: GowsEventStreamObservable;
+  protected all$: Observable<EnginePayload>;
+  protected events: EventsFromObservable<WhatsMeowEvent>;
+
+  protected me: MeInfo | null;
+  public session: messages.Session;
+  protected presences: any;
+
+  public constructor(config) {
+    super(config);
+    this.qr = new QR();
+    this.session = new messages.Session({ id: this.name });
+    this.presences = new NodeCache({
+      stdTTL: 60 * 60, // 1 hour
+      useClones: false,
+    });
+  }
+
+  async start() {
+    this.status = WAHASessionStatus.STARTING;
+    this.buildStreams();
+    this.subscribeEvents();
+    this.subscribeEngineEvents2();
+    if (this.isDebugEnabled()) {
+      this.listenEngineEventsInDebugMode();
+    }
+
+    // start session
+    const auth = await this.authFactory.buildAuth(this.sessionStore, this.name);
+
+    const level = messages.LogLevel[this.logger.level.toUpperCase()];
+    const request = new messages.StartSessionRequest({
+      id: this.name,
+      config: new messages.SessionConfig({
+        store: new messages.SessionStoreConfig({
+          address: auth.address(),
+          dialect: auth.dialect(),
+        }),
+        log: new messages.SessionLogConfig({
+          level: level ?? messages.LogLevel.INFO,
+        }),
+        proxy: new messages.SessionProxyConfig({
+          url: this.getProxyUrl(this.proxyConfig),
+        }),
+      }),
+    });
+
+    this.client = new MessageServiceClient(
+      this.engineConfig.connection,
+      grpc.credentials.createInsecure(),
+    );
+
+    try {
+      await promisify(this.client.StartSession)(request);
+    } catch (err) {
+      this.logger.error('Failed to start the client');
+      this.logger.error(err, err.stack);
+      this.status = WAHASessionStatus.FAILED;
+    }
+  }
+
+  protected getProxyUrl(config: ProxyConfig): string {
+    if (!config || !config.server) {
+      return '';
+    }
+    const { server, username, password } = config;
+    const auth = username && password ? `${username}:${password}@` : '';
+    const schema = 'http';
+    return `${schema}://${auth}${server}`;
+  }
+
+  buildStreams() {
+    this.stream$ = new GowsEventStreamObservable(
+      this.loggerBuilder.child({ grpc: 'stream' }),
+      () => {
+        const client = new messages.EventStreamClient(
+          this.engineConfig.connection,
+          grpc.credentials.createInsecure(),
+        );
+        const stream = client.StreamEvents(this.session);
+        return { client, stream };
+      },
+    );
+
+    // Retry on error with delay
+    this.all$ = this.stream$.pipe(retry({ delay: 2_000 }), share());
+  }
+
+  subscribeEvents() {
+    // Handle connection status
+    this.events = new EventsFromObservable<WhatsMeowEvent>(this.all$);
+    const events = this.events;
+    events.on(WhatsMeowEvent.CONNECTED, (data) => {
+      this.status = WAHASessionStatus.WORKING;
+      this.me = {
+        id: toCusFormat(jidNormalizedUser(data.ID)),
+        pushName: data.PushName,
+      };
+    });
+
+    events.on(WhatsMeowEvent.DISCONNECTED, () => {
+      if (this.status != WAHASessionStatus.STARTING) {
+        this.status = WAHASessionStatus.STARTING;
+      }
+    });
+    events.on(WhatsMeowEvent.KEEP_ALIVE_TIMEOUT, () => {
+      if (this.status != WAHASessionStatus.STARTING) {
+        this.status = WAHASessionStatus.STARTING;
+      }
+    });
+    events.on(WhatsMeowEvent.QR_CHANNEL_ITEM, async (data) => {
+      if (!data.Event) {
+        return;
+      }
+      if (data.Event == 'success') {
+        return;
+      }
+      if (data.Event != 'code') {
+        this.logger.warn(data, 'Failed QR item event');
+        this.status = WAHASessionStatus.FAILED;
+        return;
+      }
+      const qr = data.Code;
+      if (!qr) {
+        return;
+      }
+      this.qr.save(qr);
+      this.printQR(this.qr);
+      this.status = WAHASessionStatus.SCAN_QR_CODE;
+    });
+    events.on(WhatsMeowEvent.PUSH_NAME_SETTING, (data) => {
+      this.me = { ...this.me, pushName: data.Action.name };
+    });
+    events.on(WhatsMeowEvent.LOGGED_OUT, () => {
+      this.logger.error('Logged out');
+      this.status = WAHASessionStatus.FAILED;
+    });
+    events.on(WhatsMeowEvent.PRESENCE, (event: gows.Presence) => {
+      if (isJidGroup(event.From)) {
+        // So group is not "online"
+        return;
+      }
+      const Chat = event.From;
+      const Sender = event.From;
+      const stored = this.presences.get(Chat) || [];
+      // remove values by event.Sender
+      const filtered = stored.filter(
+        (p) => p.Sender !== Sender && p.From !== Sender,
+      );
+      // add new value
+      this.presences.set(Chat, [...filtered, event]);
+    });
+    events.on(WhatsMeowEvent.CHAT_PRESENCE, (event: gows.ChatPresence) => {
+      const Chat = event.Chat;
+      const Sender = event.Sender;
+      const stored = this.presences.get(Chat) || [];
+      // remove values by event.Sender
+      const filtered = stored.filter(
+        (p) => p.Sender !== Sender && p.From !== Sender,
+      );
+      // add new value
+      this.presences.set(Chat, [...filtered, event]);
+    });
+    events.start();
+  }
+
+  subscribeEngineEvents2() {
+    const all$ = this.all$;
+    this.events2.get(WAHAEvents.ENGINE_EVENT).switch(all$);
+
+    const messages$ = all$.pipe(onlyEvent(WhatsMeowEvent.MESSAGE));
+
+    let [messagesFromMe$, messagesFromOthers$] = partition(messages$, isMine);
+    messagesFromMe$ = messagesFromMe$.pipe(
+      mergeMap((msg) => this.processIncomingMessage(msg, true)),
+      share(), // share it so we don't process twice in message.any
+    );
+    messagesFromOthers$ = messagesFromOthers$.pipe(
+      mergeMap((msg) => this.processIncomingMessage(msg, true)),
+      share(), // share it so we don't process twice in message.any
+    );
+    const messagesFromAll$ = merge(messagesFromMe$, messagesFromOthers$);
+    this.events2.get(WAHAEvents.MESSAGE).switch(messagesFromOthers$);
+    this.events2.get(WAHAEvents.MESSAGE_ANY).switch(messagesFromAll$);
+
+    const receipt$ = all$.pipe(onlyEvent(WhatsMeowEvent.RECEIPT));
+    const messageAck$ = receipt$.pipe(
+      mergeMap(this.receiptToMessageAck.bind(this)),
+      // Create a composite key for deduplication
+      groupBy((message) => `${message.id}-${message.ack}`),
+      mergeMap((group$) =>
+        group$.pipe(
+          debounceTime(1000), // Wait 1 second for deduplication
+          map((message) => message), // Pass the latest message after debounce
+        ),
+      ),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_ACK).switch(messageAck$);
+
+    const messageReactions$ = messages$.pipe(
+      filter((msg) => !!msg?.Message?.reactionMessage),
+      map(this.processMessageReaction.bind(this)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_REACTION).switch(messageReactions$);
+
+    const presence$ = all$.pipe(
+      onlyEvent(WhatsMeowEvent.PRESENCE),
+      filter((event) => !isJidGroup(event.From)),
+    );
+    const chatPresence$ = all$.pipe(onlyEvent(WhatsMeowEvent.CHAT_PRESENCE));
+    const presenceUpdates$ = merge(presence$, chatPresence$).pipe(
+      map((event) => this.toWahaPresences(event.From || event.Chat, [event])),
+    );
+    this.events2.get(WAHAEvents.PRESENCE_UPDATE).switch(presenceUpdates$);
+  }
+
+  async fetchContactProfilePicture(id: string): Promise<string> {
+    const jid = toJID(this.ensureSuffix(id));
+    const request = new messages.ProfilePictureRequest({
+      jid: jid,
+      session: this.session,
+    });
+    const response = await promisify(this.client.GetProfilePicture)(request);
+    const url = response.toObject().url;
+    return url;
+  }
+
+  protected listenEngineEventsInDebugMode() {
+    this.events2.get(WAHAEvents.ENGINE_EVENT).subscribe((data) => {
+      this.logger.debug({ events: data }, `GOWS event`);
+    });
+  }
+
+  async stop(): Promise<void> {
+    if (this.client) {
+      const response = await promisify(this.client.StopSession)(this.session);
+      response.toObject();
+    }
+    this.status = WAHASessionStatus.STOPPED;
+    this.events?.stop();
+    this.stopEvents();
+    this.client?.close();
+  }
+
+  public async requestCode(phoneNumber: string, method: string, params?: any) {
+    if (this.status == WAHASessionStatus.STARTING) {
+      this.logger.debug('Waiting for connection update...');
+      await waitUntil(
+        async () => this.status === WAHASessionStatus.SCAN_QR_CODE,
+        100,
+        2000,
+      );
+    }
+
+    if (this.status != WAHASessionStatus.SCAN_QR_CODE) {
+      const err = `Can request code only in SCAN_QR_CODE status. The current status is ${this.status}`;
+      throw new UnprocessableEntityException(err);
+    }
+
+    const request = new messages.PairCodeRequest({
+      session: this.session,
+      phone: phoneNumber,
+    });
+    const response = await promisify(this.client.RequestCode)(request);
+    const code: string = response.toObject().code;
+    this.logger.info(`Your code: ${code}`);
+    return { code: code };
+  }
+
+  async unpair() {
+    await promisify(this.client.Logout)(this.session);
+  }
+
+  public getSessionMeInfo(): MeInfo | null {
+    return this.me;
+  }
+
+  /**
+   * START - Methods for API
+   */
+
+  /**
+   * Auth methods
+   */
+  public getQR(): QR {
+    return this.qr;
+  }
+
+  async getScreenshot(): Promise<Buffer> {
+    if (this.status === WAHASessionStatus.STARTING) {
+      throw new UnprocessableEntityException(
+        `The session is starting, please try again after few seconds`,
+      );
+    } else if (this.status === WAHASessionStatus.SCAN_QR_CODE) {
+      return this.qr.get();
+    } else if (this.status === WAHASessionStatus.WORKING) {
+      throw new UnprocessableEntityException(
+        `Can not get screenshot for non chrome based engine.`,
+      );
+    } else {
+      throw new UnprocessableEntityException(`Unknown status - ${this.status}`);
+    }
+  }
+
+  async sendText(request: MessageTextRequest) {
+    const jid = toJID(this.ensureSuffix(request.chatId));
+    const message = new messages.MessageRequest({
+      jid: jid,
+      text: request.text,
+      session: this.session,
+    });
+    const response = await promisify(this.client.SendMessage)(message);
+    const data = response.toObject();
+    return this.messageResponse(jid, data);
+  }
+
+  protected messageResponse(jid, data) {
+    const id = buildMessageId({
+      ID: data.id,
+      IsFromMe: true,
+      IsGroup: isJidGroup(jid),
+      Chat: jid,
+      Sender: this.me.id,
+    });
+    return {
+      id: id,
+      _data: data,
+    };
+  }
+
+  checkNumberStatus(request: CheckNumberStatusQuery) {
+    throw new Error('Method not implemented.');
+  }
+
+  sendLocation(request: MessageLocationRequest) {
+    throw new Error('Method not implemented.');
+  }
+
+  forwardMessage(request: MessageForwardRequest): Promise<WAMessage> {
+    throw new Error('Method not implemented.');
+  }
+
+  sendImage(request: MessageImageRequest) {
+    throw new AvailableInPlusVersion();
+  }
+
+  sendFile(request: MessageFileRequest) {
+    throw new AvailableInPlusVersion();
+  }
+
+  sendVoice(request: MessageVoiceRequest) {
+    throw new AvailableInPlusVersion();
+  }
+
+  reply(request: MessageReplyRequest) {
+    throw new Error('Method not implemented.');
+  }
+
+  async sendSeen(request: SendSeenRequest) {
+    const key = parseMessageIdSerialized(request.messageId);
+    const req = new messages.MarkReadRequest({
+      session: this.session,
+      jid: key.remoteJid,
+      messageId: key.id,
+      sender: key.fromMe ? this.me.id : key.participant,
+    });
+    const response = await promisify(this.client.MarkRead)(req);
+    response.toObject();
+    return;
+  }
+
+  startTyping(chat: ChatRequest) {
+    throw new Error('Method not implemented.');
+  }
+
+  stopTyping(chat: ChatRequest) {
+    throw new Error('Method not implemented.');
+  }
+
+  async setReaction(request: MessageReactionRequest) {
+    const key = parseMessageIdSerialized(request.messageId);
+    const message = new messages.MessageReaction({
+      session: this.session,
+      jid: key.remoteJid,
+      messageId: key.id,
+      reaction: request.reaction,
+      sender: key.fromMe ? this.me.id : key.participant,
+    });
+    const response = await promisify(this.client.SendReaction)(message);
+    const data = response.toObject();
+    return this.messageResponse(key.remoteJid, data);
+  }
+
+  public async setPresence(presence: WAHAPresenceStatus, chatId?: string) {
+    let request: any;
+    let method: any;
+    const jid = chatId ? toJID(this.ensureSuffix(chatId)) : null;
+    switch (presence) {
+      case WAHAPresenceStatus.ONLINE:
+        request = new messages.PresenceRequest({
+          session: this.session,
+          status: messages.Presence.AVAILABLE,
+        });
+        method = this.client.SendPresence;
+        break;
+      case WAHAPresenceStatus.OFFLINE:
+        request = new messages.PresenceRequest({
+          session: this.session,
+          status: messages.Presence.UNAVAILABLE,
+        });
+        method = this.client.SendPresence;
+        break;
+      case WAHAPresenceStatus.TYPING:
+        request = new messages.ChatPresenceRequest({
+          session: this.session,
+          jid: jid,
+          status: messages.ChatPresence.TYPING,
+        });
+        method = this.client.SendChatPresence;
+        break;
+      case WAHAPresenceStatus.RECORDING:
+        request = new messages.ChatPresenceRequest({
+          session: this.session,
+          jid: jid,
+          status: messages.ChatPresence.RECORDING,
+        });
+        method = this.client.SendChatPresence;
+        break;
+      case WAHAPresenceStatus.PAUSED:
+        request = new messages.ChatPresenceRequest({
+          session: this.session,
+          jid: jid,
+          status: messages.ChatPresence.PAUSED,
+        });
+        method = this.client.SendChatPresence;
+        break;
+
+      default:
+        throw new Error('Invalid presence status');
+    }
+    await promisify(method)(request);
+  }
+
+  public async getPresences(): Promise<WAHAChatPresences[]> {
+    const result: WAHAChatPresences[] = [];
+    for (const remoteJid in this.presences.keys()) {
+      const storedPresences = this.presences.get(remoteJid);
+      result.push(this.toWahaPresences(remoteJid, storedPresences));
+    }
+    return result;
+  }
+
+  public async getPresence(chatId: string): Promise<WAHAChatPresences> {
+    const remoteJid = toJID(chatId);
+    if (!(remoteJid in this.presences.keys())) {
+      await this.subscribePresence(remoteJid);
+      await sleep(1000);
+    }
+    const result = this.presences.get(remoteJid) || [];
+    return this.toWahaPresences(remoteJid, result);
+  }
+
+  async subscribePresence(chatId: string) {
+    const jid = toJID(chatId);
+    const req = new messages.SubscribePresenceRequest({
+      session: this.session,
+      jid: jid,
+    });
+    const response = await promisify(this.client.SubscribePresence)(req);
+    return response.toObject();
+  }
+
+  protected toWahaPresenceData(
+    data: gows.Presence | gows.ChatPresence,
+  ): WAHAPresenceData {
+    if ('From' in data) {
+      data = data as gows.Presence;
+      const lastKnownPresence = data.Unavailable
+        ? WAHAPresenceStatus.OFFLINE
+        : WAHAPresenceStatus.ONLINE;
+      return {
+        participant: toCusFormat(data.From),
+        lastKnownPresence: lastKnownPresence,
+        lastSeen: parseTimestamp(data.LastSeen),
+      };
+    }
+
+    data = data as gows.ChatPresence;
+    let lastKnownPresence: WAHAPresenceStatus;
+    if (data.State === gows.ChatPresenceState.PAUSED) {
+      lastKnownPresence = WAHAPresenceStatus.PAUSED;
+    } else if (
+      data.State === gows.ChatPresenceState.COMPOSING &&
+      data.Media === gows.ChatPresenceMedia.TEXT
+    ) {
+      lastKnownPresence = WAHAPresenceStatus.TYPING;
+    } else if (
+      data.State === gows.ChatPresenceState.COMPOSING &&
+      data.Media === gows.ChatPresenceMedia.AUDIO
+    ) {
+      lastKnownPresence = WAHAPresenceStatus.RECORDING;
+    }
+    return {
+      participant: toCusFormat(data.Sender),
+      lastKnownPresence: lastKnownPresence,
+      lastSeen: null,
+    };
+  }
+
+  protected toWahaPresences(
+    jid,
+    result: null | gows.Presence[] | gows.ChatPresence[],
+  ): WAHAChatPresences {
+    const chatId = toCusFormat(jid);
+    return {
+      id: chatId,
+      presences: result?.map(this.toWahaPresenceData.bind(this)),
+    };
+  }
+
+  //
+  // END - Methods for API
+  //
+
+  private async processIncomingMessage(message, downloadMedia = true) {
+    // if there is no text or media message
+    if (!message) return;
+    if (!message.Message) return;
+    // Ignore reactions, we have dedicated handler for that
+    if (message.Message.reactionMessage) return;
+    // Ignore poll votes, we have dedicated handler for that
+    if (message.Message.pollUpdateMessage) return;
+    // Ignore protocol messages
+    if (message.Message.protocolMessage) return;
+
+    if (downloadMedia) {
+      try {
+        message = await this.downloadMedia(message);
+      } catch (e) {
+        this.logger.error('Failed when tried to download media for a message');
+        this.logger.error(e, e.stack);
+      }
+    }
+    return this.toWAMessage(message);
+  }
+
+  protected downloadMedia(message) {
+    const processor = new GOWSEngineMediaProcessor(this);
+    return this.mediaManager.processMedia(processor, message, this.name);
+  }
+
+  protected toWAMessage(message): WAMessage {
+    const fromToParticipant = getFromToParticipant(message);
+    const id = buildMessageId(message);
+    const body = this.extractBody(message.Message);
+    const replyTo = null; // TODO: this.extractReplyTo(message.message);
+    const ack = null; // TODO: Extract
+
+    return {
+      id: id,
+      timestamp: parseTimestamp(message.Info.Timestamp),
+      from: toCusFormat(fromToParticipant.from),
+      fromMe: message.Info.IsFromMe,
+      body: body,
+      to: toCusFormat(fromToParticipant.to),
+      participant: toCusFormat(fromToParticipant.participant),
+      // Media
+      hasMedia: Boolean(message.media),
+      media: message.media,
+      mediaUrl: message.media?.url,
+      // @ts-ignore
+      ack: ack,
+      // @ts-ignore
+      ackName: WAMessageAck[ack] || ACK_UNKNOWN,
+      replyTo: replyTo,
+      _data: message,
+    };
+  }
+
+  private extractBody(message) {
+    if (!message) {
+      return null;
+    }
+    let body = message.Conversation || message.conversation;
+    if (!body) {
+      body = message.extendedTextMessage?.text;
+    }
+    if (!body) {
+      const media = extractMediaContent(message);
+      body = media?.caption;
+    }
+    return body;
+  }
+
+  public async getEngineInfo() {
+    const clientState = this.client?.getChannel().getConnectivityState(false);
+    const streamState = this.stream$?.client
+      ?.getChannel()
+      .getConnectivityState(false);
+    const grpc = {
+      client: connectivityState[clientState] || 'NO_CLIENT',
+      stream: connectivityState[streamState] || 'NO_STREAM',
+    };
+    if (!this.client) {
+      return {
+        grpc: grpc,
+      };
+    }
+
+    let gows;
+    try {
+      const response = await promisify(this.client.GetSessionState)(
+        this.session,
+      );
+      const info = response.toObject();
+      gows = { ...info };
+    } catch (err) {
+      gows = { error: err };
+    }
+    return {
+      grpc: grpc,
+      gows: gows,
+    };
+  }
+
+  receiptToMessageAck(receipt: any): WAMessageAckBody[] {
+    const fromToParticipant = getFromToParticipant(receipt);
+
+    let ack;
+    switch (receipt.Type) {
+      case '':
+        ack = WAMessageAck.DEVICE;
+        break;
+      case 'server-error':
+        ack = WAMessageAck.ERROR;
+        break;
+      case 'inactive':
+        ack = WAMessageAck.DEVICE;
+        break;
+      case 'active':
+        ack = WAMessageAck.DEVICE;
+        break;
+      case 'read':
+        ack = WAMessageAck.READ;
+        break;
+      case 'played':
+        ack = WAMessageAck.PLAYED;
+        break;
+      default:
+        return [];
+    }
+    const acks = [];
+    for (const messageId of receipt.MessageIDs) {
+      const msg = {
+        ...receipt,
+        ID: messageId,
+        // Reverse the IsFromMe flag
+        IsFromMe: !receipt.IsFromMe,
+        Sender: receipt.MessageSender || this.me?.id,
+      };
+      const id = buildMessageId(msg);
+      const body: WAMessageAckBody = {
+        id: id,
+        from: toCusFormat(fromToParticipant.from),
+        to: toCusFormat(fromToParticipant.to),
+        participant: toCusFormat(fromToParticipant.participant),
+        fromMe: msg.IsFromMe,
+        ack: ack,
+        ackName: WAMessageAck[ack] || ACK_UNKNOWN,
+        _data: receipt,
+      };
+      acks.push(body);
+    }
+    return acks;
+  }
+
+  private processMessageReaction(message): WAMessageReaction | null {
+    if (!message) return null;
+    if (!message.Message) return null;
+    if (!message.Message.reactionMessage) return null;
+
+    const id = buildMessageId(message);
+    const fromToParticipant = getFromToParticipant(message);
+    const reactionMessage = message.Message.reactionMessage;
+    const messageId = this.buildMessageIdFromKey(reactionMessage.key);
+    const reaction: WAMessageReaction = {
+      id: id,
+      timestamp: parseTimestamp(message.Info.Timestamp),
+      from: toCusFormat(fromToParticipant.from),
+      fromMe: message.Info.IsFromMe,
+      to: toCusFormat(fromToParticipant.to),
+      participant: toCusFormat(fromToParticipant.participant),
+      reaction: {
+        text: reactionMessage.text,
+        messageId: messageId,
+      },
+    };
+    return reaction;
+  }
+
+  buildMessageIdFromKey(key: WARawKey) {
+    const sender = key.fromMe ? this.me.id : key.participant || key.remoteJID;
+    const info: MessageIdData = {
+      Chat: key.remoteJID,
+      Sender: sender,
+      ID: key.ID,
+      IsFromMe: key.fromMe,
+      IsGroup: isJidGroup(key.remoteJID),
+    };
+    return buildMessageId(info);
+  }
+}
+
+export class GOWSEngineMediaProcessor implements IMediaEngineProcessor<any> {
+  constructor(public session: WhatsappSessionGoWSCore) {}
+
+  hasMedia(message: any): boolean {
+    return Boolean(extractMediaContent(message.Message));
+  }
+
+  getMessageId(message: any): string {
+    return message.Info.ID;
+  }
+
+  getMimetype(message: any): string {
+    const content = extractMediaContent(message.Message);
+    return content.mimetype;
+  }
+
+  async getMediaBuffer(message: any): Promise<Buffer | null> {
+    const data = JSON.stringify(message.Message);
+    const request = new messages.DownloadMediaRequest({
+      session: this.session.session,
+      message: data,
+    });
+    const response = await promisify(this.session.client.DownloadMedia)(
+      request,
+    );
+    const obj = response.toObject();
+    return Buffer.from(obj.content);
+  }
+
+  getFilename(message: any): string | null {
+    const content = extractMediaContent(message.Message);
+    return content?.fileName;
+  }
+}
+
+export function extractMediaContent(message: any) {
+  const mediaContent =
+    message?.documentMessage ||
+    message?.imageMessage ||
+    message?.videoMessage ||
+    message?.audioMessage ||
+    message?.stickerMessage;
+  return mediaContent;
+}
+
+function isMine(message) {
+  return !!message.Info.IsFromMe;
+}
+
+function getFromToParticipant(message) {
+  const info = message.Info || message;
+  return {
+    from: info.Chat,
+    to: info.IsGroup ? info.Sender : null,
+    participant: info.IsGroup ? info.Sender : null,
+  };
+}
+
+interface MessageIdData {
+  Info?: MessageIdData;
+  Chat: string;
+  Sender: string;
+  ID: string;
+  IsFromMe: boolean;
+  IsGroup: boolean;
+}
+
+function buildMessageId(message: MessageIdData) {
+  const info = message.Info || message;
+  const chatId = toCusFormat(info.Chat);
+  const participant = toCusFormat(info.Sender);
+  if (info.IsGroup) {
+    return `${info.IsFromMe}_${chatId}_${info.ID}_${participant}`;
+  }
+  return `${info.IsFromMe}_${chatId}_${info.ID}`;
+}
+
+interface WARawKey {
+  remoteJID: string;
+  fromMe: boolean;
+  ID: string;
+  participant?: string;
+}
+
+function parseTimestamp(timestamp: string): number {
+  if (timestamp.startsWith('0001')) {
+    return null;
+  }
+  // "2024-12-25T14:28:42+03:00" => 1234567890
+  return new Date(timestamp).getTime();
+}

src/core/engines/gows/store/GowsAuth.ts

@@ -0,0 +1,4 @@
+export interface GowsAuth {
+  address(): string;
+  dialect(): string;
+}

src/core/engines/gows/store/GowsAuthFactoryCore.ts

@@ -0,0 +1,26 @@
+import * as path from 'node:path';
+
+import { DataStore } from '@waha/core/abc/DataStore';
+import { GowsAuthSimple } from '@waha/core/engines/gows/store/GowsAuthSimple';
+import { LocalStore } from '@waha/core/storage/LocalStore';
+
+import { GowsAuth } from './GowsAuth';
+
+export class GowsAuthFactoryCore {
+  buildAuth(store: DataStore, name: string): Promise<GowsAuth> {
+    if (store instanceof LocalStore) return this.buildSqlite3(store, name);
+    throw new Error(`Unsupported store type '${store.constructor.name}'`);
+  }
+
+  protected async buildSqlite3(
+    store: LocalStore,
+    name: string,
+  ): Promise<GowsAuth> {
+    await store.init(name);
+    const authFolder = store.getSessionDirectory(name);
+    // resolve path
+    const authFolderFullPath = path.resolve(authFolder);
+    const connection = `file:${authFolderFullPath}/gows.db`;
+    return new GowsAuthSimple(connection, 'sqlite3');
+  }
+}

src/core/engines/gows/store/GowsAuthSimple.ts

@@ -0,0 +1,19 @@
+import { GowsAuth } from '@waha/core/engines/gows/store/GowsAuth';
+
+export class GowsAuthSimple implements GowsAuth {
+  private _address: string;
+  private _dialect: string;
+
+  constructor(address: string, dialect: string) {
+    this._address = address;
+    this._dialect = dialect;
+  }
+
+  address() {
+    return this._address;
+  }
+
+  dialect(): string {
+    return this._dialect;
+  }
+}

src/core/engines/gows/types.ts

@@ -0,0 +1,24 @@
+export interface Presence {
+  From: string;
+  Unavailable: boolean;
+  LastSeen: string;
+}
+
+export enum ChatPresenceState {
+  COMPOSING = 'composing',
+  PAUSED = 'paused',
+}
+
+export enum ChatPresenceMedia {
+  TEXT = '',
+  AUDIO = 'audio',
+}
+
+export interface ChatPresence {
+  Chat: string;
+  Sender: string;
+  IsFromMe: boolean;
+  IsGroup: boolean;
+  State: ChatPresenceState;
+  Media: ChatPresenceMedia;
+}

src/core/engines/noweb/store/IChatRepository.ts

@@ -1,11 +1,15 @@
 import { Chat } from '@adiwajshing/baileys';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 
 export interface IChatRepository {
   getAll(): Promise<Chat[]>;
 
   getAllByIds(ids: string[]): Promise<Chat[]>;
 
-  getAllWithMessages(limit?: number, offset?: number): Promise<Chat[]>;
+  getAllWithMessages(
+    pagination: PaginationParams,
+    broadcast: boolean,
+  ): Promise<Chat[]>;
 
   getById(id: string): Promise<Chat | null>;
 

src/core/engines/noweb/store/IContactRepository.ts

@@ -1,7 +1,8 @@
 import { Contact } from '@adiwajshing/baileys';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 
 export interface IContactRepository {
-  getAll(): Promise<Contact[]>;
+  getAll(pagination?: PaginationParams): Promise<Contact[]>;
 
   getById(id: string): Promise<Contact | null>;
 

src/core/engines/noweb/store/IGroupRepository.ts

@@ -0,0 +1,14 @@
+import { GroupMetadata } from '@adiwajshing/baileys';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+
+export interface IGroupRepository {
+  getAll(pagination?: PaginationParams): Promise<GroupMetadata[]>;
+
+  getById(id: string): Promise<GroupMetadata | null>;
+
+  deleteAll(): Promise<void>;
+
+  deleteById(id: string): Promise<void>;
+
+  save(group: GroupMetadata): Promise<void>;
+}

src/core/engines/noweb/store/IMessagesRepository.ts

@@ -1,3 +1,6 @@
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+
 export interface IMessagesRepository {
   deleteAll(): Promise<void>;
 
@@ -5,7 +8,11 @@ export interface IMessagesRepository {
 
   upsertOne(message: any): Promise<void>;
 
-  getAllByJid(jid: string, limit: number): Promise<any[]>;
+  getAllByJid(
+    jid: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ): Promise<any[]>;
 
   getByJidById(jid: string, id: string): Promise<any | null>;
 

src/core/engines/noweb/store/INowebStorage.ts

@@ -1,5 +1,6 @@
 import { WAMessage } from '@adiwajshing/baileys';
 import { LabelAssociation } from '@adiwajshing/baileys/lib/Types/LabelAssociation';
+import { IGroupRepository } from '@waha/core/engines/noweb/store/IGroupRepository';
 import { ILabelAssociationRepository } from '@waha/core/engines/noweb/store/ILabelAssociationsRepository';
 import { ILabelsRepository } from '@waha/core/engines/noweb/store/ILabelsRepository';
 
@@ -16,6 +17,8 @@ export abstract class INowebStorage {
 
   abstract getChatRepository(): IChatRepository;
 
+  abstract getGroupRepository(): IGroupRepository;
+
   abstract getMessagesRepository(): IMessagesRepository;
 
   abstract getLabelsRepository(): ILabelsRepository;

src/core/engines/noweb/store/INowebStore.ts

@@ -4,7 +4,10 @@ import {
   Contact,
   proto,
 } from '@adiwajshing/baileys';
+import { GroupMetadata } from '@adiwajshing/baileys/lib/Types/GroupMetadata';
 import { Label } from '@adiwajshing/baileys/lib/Types/Label';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 
 export interface INowebStore {
   presences: any;
@@ -17,11 +20,17 @@ export interface INowebStore {
 
   loadMessage(jid: string, id: string): Promise<proto.IWebMessageInfo>;
 
-  getMessagesByJid(chatId: string, limit: number): Promise<any>;
+  getMessagesByJid(
+    chatId: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ): Promise<any>;
 
-  getChats(limit?: number, offset?: number): Promise<Chat[]>;
+  getMessageById(chatId: string, messageId: string): Promise<any>;
 
-  getContacts(): Promise<Contact[]>;
+  getChats(pagination: PaginationParams, broadcast: boolean): Promise<Chat[]>;
+
+  getContacts(pagination: PaginationParams): Promise<Contact[]>;
 
   getContactById(jid: string): Promise<Contact>;
 
@@ -32,4 +41,8 @@ export interface INowebStore {
   getChatsByLabelId(labelId: string): Promise<Chat[]>;
 
   getChatLabels(chatId: string): Promise<Label[]>;
+
+  getGroups(pagination: PaginationParams): Promise<GroupMetadata[]>;
+
+  resetGroupsCache(): void;
 }

src/core/engines/noweb/store/NowebInMemoryStore.ts

@@ -1,6 +1,15 @@
-import { Chat, Contact, makeInMemoryStore, proto } from '@adiwajshing/baileys';
+import makeWASocket, {
+  Chat,
+  Contact,
+  GroupMetadata,
+  makeInMemoryStore,
+  proto,
+} from '@adiwajshing/baileys';
 import { Label } from '@adiwajshing/baileys/lib/Types/Label';
 import { BadRequestException } from '@nestjs/common';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+import { PaginatorInMemory } from '@waha/utils/Paginator';
 
 import { INowebStore } from './INowebStore';
 
@@ -8,6 +17,8 @@ import { INowebStore } from './INowebStore';
 const logger = require('pino')();
 
 export class NowebInMemoryStore implements INowebStore {
+  private socket: ReturnType<typeof makeWASocket>;
+
   private store: ReturnType<typeof makeInMemoryStore>;
   errorMessage =
     'Enable NOWEB store "config.noweb.store.enabled=True" and "config.noweb.store.full_sync=True" when starting a new session. ' +
@@ -31,21 +42,30 @@ export class NowebInMemoryStore implements INowebStore {
 
   bind(ev: any, socket: any) {
     this.store.bind(ev);
+    this.socket = socket;
   }
 
   loadMessage(jid: string, id: string): Promise<proto.IWebMessageInfo> {
     return this.store.loadMessage(jid, id);
   }
 
-  getMessagesByJid(chatId: string, limit: number): Promise<any> {
+  getMessagesByJid(
+    chatId: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ): Promise<any> {
     throw new BadRequestException(this.errorMessage);
   }
 
-  getChats(limit?: number, offset?: number): Promise<Chat[]> {
+  getMessageById(chatId: string, messageId: string): Promise<any> {
     throw new BadRequestException(this.errorMessage);
   }
 
-  getContacts(): Promise<Contact[]> {
+  getChats(pagination: PaginationParams, broadcast: boolean): Promise<Chat[]> {
+    throw new BadRequestException(this.errorMessage);
+  }
+
+  getContacts(pagination: PaginationParams): Promise<Contact[]> {
     throw new BadRequestException(this.errorMessage);
   }
 
@@ -68,4 +88,15 @@ export class NowebInMemoryStore implements INowebStore {
   getChatLabels(chatId: string): Promise<Label[]> {
     throw new BadRequestException(this.errorMessage);
   }
+
+  async getGroups(pagination: PaginationParams): Promise<GroupMetadata[]> {
+    const response = await this.socket?.groupFetchAllParticipating();
+    const groups = Object.values(response);
+    const paginator = new PaginatorInMemory(pagination);
+    return paginator.apply(groups);
+  }
+
+  resetGroupsCache() {
+    return;
+  }
 }

src/core/engines/noweb/store/NowebPersistentStore.ts

@@ -1,25 +1,34 @@
-import {
+import makeWASocket, {
+  areJidsSameUser,
   BaileysEventEmitter,
   Chat,
   ChatUpdate,
   Contact,
+  GroupParticipant,
   isRealMessage,
   jidNormalizedUser,
+  ParticipantAction,
   proto,
   updateMessageWithReaction,
   updateMessageWithReceipt,
 } from '@adiwajshing/baileys';
+import { GroupMetadata } from '@adiwajshing/baileys/lib/Types/GroupMetadata';
 import { Label } from '@adiwajshing/baileys/lib/Types/Label';
 import {
   LabelAssociation,
   LabelAssociationType,
 } from '@adiwajshing/baileys/lib/Types/LabelAssociation';
+import { IGroupRepository } from '@waha/core/engines/noweb/store/IGroupRepository';
 import { ILabelAssociationRepository } from '@waha/core/engines/noweb/store/ILabelAssociationsRepository';
 import { ILabelsRepository } from '@waha/core/engines/noweb/store/ILabelsRepository';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { PaginationParams, SortOrder } from '@waha/structures/pagination.dto';
+import { DefaultMap } from '@waha/utils/DefaultMap';
+import { sleep, waitUntil } from '@waha/utils/promiseTimeout';
+import * as lodash from 'lodash';
 import { toNumber } from 'lodash';
 import { Logger } from 'pino';
 
-import { toJID } from '../session.noweb.core';
 import { IChatRepository } from './IChatRepository';
 import { IContactRepository } from './IContactRepository';
 import { IMessagesRepository } from './IMessagesRepository';
@@ -29,15 +38,27 @@ import { INowebStore } from './INowebStore';
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const AsyncLock = require('async-lock');
 
+type ms = number;
+const HOUR: ms = 60 * 60 * 1000;
+
 export class NowebPersistentStore implements INowebStore {
-  private socket: any;
+  private socket: ReturnType<typeof makeWASocket>;
   private chatRepo: IChatRepository;
+  private groupRepo: IGroupRepository;
   private contactRepo: IContactRepository;
   private messagesRepo: IMessagesRepository;
   private labelsRepo: ILabelsRepository;
   private labelAssociationsRepo: ILabelAssociationRepository;
   public presences: any;
   private lock: any;
+  private groupsFetchLock: any = new AsyncLock({
+    maxPending: Infinity,
+    maxExecutionTime: 60_000,
+  });
+
+  private lastTimeGroupUpdate: Date = new Date(0);
+  private lastTimeGroupFetch: Date = new Date(0);
+  private GROUP_METADATA_CACHE_TIME = 24 * HOUR;
 
   constructor(
     private logger: Logger,
@@ -45,6 +66,7 @@ export class NowebPersistentStore implements INowebStore {
   ) {
     this.socket = null;
     this.chatRepo = storage.getChatRepository();
+    this.groupRepo = storage.getGroupRepository();
     this.contactRepo = storage.getContactsRepository();
     this.messagesRepo = storage.getMessagesRepository();
     this.labelsRepo = storage.getLabelsRepository();
@@ -86,6 +108,19 @@ export class NowebPersistentStore implements INowebStore {
     ev.on('chats.delete', (data) =>
       this.withLock('chats', () => this.onChatDelete(data)),
     );
+    // Groups
+    ev.on('groups.upsert', (data) =>
+      this.withLock('groups', () => this.onGroupUpsert(data)),
+    );
+    ev.on('groups.update', (data) =>
+      this.withLock('groups', () => this.onGroupUpdate(data)),
+    );
+    ev.on('group-participants.update', (data) =>
+      this.withLock(`group-${data.id}`, () =>
+        this.onGroupParticipantsUpdate(data),
+      ),
+    );
+
     // Contacts
     ev.on('contacts.upsert', (data) =>
       this.withLock('contacts', () => this.onContactsUpsert(data)),
@@ -193,7 +228,84 @@ export class NowebPersistentStore implements INowebStore {
       chat.conversationTimestamp = toNumber(chat.conversationTimestamp);
       await this.chatRepo.save(chat);
     }
-    this.logger.info(`history sync - '${chats.length}' synced chats`);
+    this.logger.info(`store sync - '${chats.length}' synced chats`);
+  }
+
+  private async onGroupUpsert(groups: GroupMetadata[]) {
+    for (const group of groups) {
+      await this.groupRepo.save(group);
+    }
+    this.logger.info(`store sync - '${groups.length}' synced groups`);
+  }
+
+  private async onGroupUpdate(groups: Partial<GroupMetadata>[]) {
+    for (const update of groups) {
+      let group = await this.groupRepo.getById(update.id);
+      group = Object.assign(group || {}, update) as GroupMetadata;
+      await this.groupRepo.save(group);
+    }
+    this.logger.info(`store sync - '${groups.length}' updated groups`);
+    this.lastTimeGroupUpdate = new Date();
+  }
+
+  private async onGroupParticipantsUpdate(data) {
+    const id: string = data.id;
+    const participants: string[] = data.participants;
+    const action: ParticipantAction = data.action;
+
+    if (action == 'remove') {
+      // Remove the group if the current user is removed
+      const myJid = this.socket?.authState?.creds?.me?.id;
+      const participantsIncludesMe = lodash.find(participants, (p) =>
+        areJidsSameUser(p, myJid),
+      );
+      if (participantsIncludesMe) {
+        await this.groupRepo.deleteById(id);
+        return;
+      }
+    }
+
+    let group = await this.groupRepo.getById(id);
+    if (!group) {
+      group = { id: id, participants: [] } as GroupMetadata;
+    }
+
+    const participantsById = new DefaultMap<string, GroupParticipant>((key) => {
+      return { id: key, admin: null } as GroupParticipant;
+    });
+    for (const participant of group.participants) {
+      participantsById.set(participant.id, participant);
+    }
+
+    for (const participant of participants) {
+      this.participantUpdate(participantsById, participant, action);
+    }
+    group.participants = Array.from(participantsById.values());
+    await this.groupRepo.save(group);
+  }
+
+  private participantUpdate(
+    participantsById: DefaultMap<string, GroupParticipant>,
+    participant: string,
+    action: ParticipantAction,
+  ) {
+    switch (action) {
+      case 'add':
+        // if there's no participant - add it (by id)
+        participantsById.get(participant);
+        break;
+      case 'remove':
+        // remove the participant (by id)
+        participantsById.delete(participant);
+        break;
+      case 'promote':
+        // set admin: admin
+        participantsById.get(participant).admin = 'admin';
+        break;
+      case 'demote':
+        participantsById.get(participant).admin = null;
+        break;
+    }
   }
 
   private async onChatUpdate(updates: ChatUpdate[]) {
@@ -322,20 +434,67 @@ export class NowebPersistentStore implements INowebStore {
     return proto.WebMessageInfo.fromObject(data);
   }
 
-  getMessagesByJid(chatId: string, limit: number) {
-    return this.messagesRepo.getAllByJid(toJID(chatId), toNumber(limit));
+  getMessagesByJid(
+    chatId: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ): Promise<any> {
+    pagination.sortBy = 'messageTimestamp';
+    pagination.sortOrder = SortOrder.DESC;
+    return this.messagesRepo.getAllByJid(chatId, filter, pagination);
   }
 
-  getChats(limit?: number, offset?: number): Promise<Chat[]> {
-    return this.chatRepo.getAllWithMessages(limit, offset);
+  getMessageById(chatId: string, messageId: string): Promise<any> {
+    return this.messagesRepo.getByJidById(chatId, messageId);
+  }
+
+  getChats(pagination: PaginationParams, broadcast: boolean): Promise<Chat[]> {
+    pagination.sortBy ||= 'conversationTimestamp';
+    pagination.sortOrder ||= SortOrder.DESC;
+    return this.chatRepo.getAllWithMessages(pagination, broadcast);
+  }
+
+  private shouldFetchGroup(): boolean {
+    const timePassed = new Date().getTime() - this.lastTimeGroupFetch.getTime();
+    return timePassed > this.GROUP_METADATA_CACHE_TIME;
+  }
+
+  private async fetchGroups() {
+    await this.groupsFetchLock.acquire('groups-fetch', async () => {
+      if (!this.shouldFetchGroup()) {
+        // Update has been done by another request
+        return;
+      }
+      const lastTimeGroupUpdate = this.lastTimeGroupUpdate;
+      await this.groupRepo.deleteAll();
+      await this.socket?.groupFetchAllParticipating();
+      // Wait until the groups update is done
+      await waitUntil(
+        async () => this.lastTimeGroupUpdate > lastTimeGroupUpdate,
+        100,
+        5_000,
+      );
+      this.lastTimeGroupFetch = new Date();
+    });
+  }
+
+  resetGroupsCache() {
+    this.lastTimeGroupFetch = new Date(0);
+  }
+
+  async getGroups(pagination: PaginationParams): Promise<GroupMetadata[]> {
+    if (this.shouldFetchGroup()) {
+      await this.fetchGroups();
+    }
+    return this.groupRepo.getAll(pagination);
   }
 
   getContactById(jid) {
     return this.contactRepo.getById(jid);
   }
 
-  getContacts() {
-    return this.contactRepo.getAll();
+  getContacts(pagination: PaginationParams) {
+    return this.contactRepo.getAll(pagination);
   }
 
   getLabels(): Promise<Label[]> {

src/core/engines/noweb/store/Schema.ts

@@ -18,6 +18,11 @@ export const NOWEB_STORE_SCHEMA = [
       new Index('chats_conversationTimestamp_index', ['conversationTimestamp']),
     ],
   ),
+  new Schema(
+    'groups',
+    [new Field('id', 'TEXT'), new Field('data', 'TEXT')],
+    [new Index('groups_id_index', ['id'])],
+  ),
   new Schema(
     'messages',
     [

src/core/engines/noweb/store/sqlite3/Sqlite3ChatRepository.ts

@@ -1,23 +1,33 @@
 import { Chat } from '@adiwajshing/baileys';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+import { KnexPaginator } from '@waha/utils/Paginator';
 
 import { IChatRepository } from '../IChatRepository';
 import { NOWEBSqlite3KVRepository } from './NOWEBSqlite3KVRepository';
 
+class ChatPaginator extends KnexPaginator {
+  indexes = ['id', 'conversationTimestamp'];
+}
+
 export class Sqlite3ChatRepository
   extends NOWEBSqlite3KVRepository<Chat>
   implements IChatRepository
 {
-  async getAllWithMessages(limit?: number, offset?: number): Promise<Chat[]> {
+  protected Paginator = ChatPaginator;
+
+  async getAllWithMessages(
+    pagination: PaginationParams,
+    broadcast: boolean,
+  ): Promise<Chat[]> {
     // Get chats with conversationTimestamp is not Null
-    let query = this.select()
-      .whereNotNull('conversationTimestamp')
-      .orderBy('conversationTimestamp', 'desc');
-    if (limit != null) {
-      query = query.limit(limit);
-    }
-    if (offset != null) {
-      query = query.offset(offset);
+    let query = this.select().whereNotNull('conversationTimestamp');
+    if (!broadcast) {
+      // filter out chat by id if it ends at @newsletter or @broadcast
+      query = query
+        .andWhereNot('id', 'like', '%@broadcast')
+        .andWhereNot('id', 'like', '%@newsletter');
     }
+    query = this.pagination(query, pagination);
     return await this.all(query);
   }
 }

src/core/engines/noweb/store/sqlite3/Sqlite3ContactRepository.ts

@@ -1,8 +1,16 @@
 import { Contact } from '@adiwajshing/baileys';
+import { KnexPaginator } from '@waha/utils/Paginator';
 
 import { IContactRepository } from '../IContactRepository';
 import { NOWEBSqlite3KVRepository } from './NOWEBSqlite3KVRepository';
 
+class ContactPaginator extends KnexPaginator {
+  indexes = ['id'];
+}
+
 export class Sqlite3ContactRepository
   extends NOWEBSqlite3KVRepository<Contact>
-  implements IContactRepository {}
+  implements IContactRepository
+{
+  protected Paginator = ContactPaginator;
+}

src/core/engines/noweb/store/sqlite3/Sqlite3GroupRepository.ts

@@ -0,0 +1,16 @@
+import { GroupMetadata } from '@adiwajshing/baileys/lib/Types/GroupMetadata';
+import { IGroupRepository } from '@waha/core/engines/noweb/store/IGroupRepository';
+import { KnexPaginator } from '@waha/utils/Paginator';
+
+import { NOWEBSqlite3KVRepository } from './NOWEBSqlite3KVRepository';
+
+class Paginator extends KnexPaginator {
+  indexes = ['id'];
+}
+
+export class Sqlite3GroupRepository
+  extends NOWEBSqlite3KVRepository<GroupMetadata>
+  implements IGroupRepository
+{
+  protected Paginator = Paginator;
+}

src/core/engines/noweb/store/sqlite3/Sqlite3MessagesRepository.ts

@@ -1,3 +1,7 @@
+import { ALL_JID } from '@waha/core/engines/noweb/session.noweb.core';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+
 import { IMessagesRepository } from '../IMessagesRepository';
 import { NOWEBSqlite3KVRepository } from './NOWEBSqlite3KVRepository';
 
@@ -9,11 +13,36 @@ export class Sqlite3MessagesRepository
     return this.upsertMany(messages);
   }
 
-  getAllByJid(jid: string, limit: number): Promise<any[]> {
-    const query = this.select()
-      .where({ jid: jid })
-      .limit(limit)
-      .orderBy('messageTimestamp', 'DESC');
+  async getAllByJid(
+    jid: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ): Promise<any[]> {
+    let query = this.select();
+    if (jid !== ALL_JID) {
+      query = this.select().where({ jid: jid });
+    }
+    if (filter['filter.timestamp.lte'] != null) {
+      query = query.where(
+        'messageTimestamp',
+        '<=',
+        filter['filter.timestamp.lte'],
+      );
+    }
+    if (filter['filter.timestamp.gte'] != null) {
+      query = query.where(
+        'messageTimestamp',
+        '>=',
+        filter['filter.timestamp.gte'],
+      );
+    }
+    if (filter['filter.fromMe'] != null) {
+      // filter by data->"$.key.fromMe"
+      query = query.whereRaw("data->'$.key.fromMe' = ?", [
+        filter['filter.fromMe'] ? 'true' : 'false',
+      ]);
+    }
+    query = this.pagination(query, pagination);
     return this.all(query);
   }
 

src/core/engines/noweb/store/sqlite3/Sqlite3Storage.ts

@@ -2,6 +2,7 @@ import { WAMessage } from '@adiwajshing/baileys';
 import { LabelAssociation } from '@adiwajshing/baileys/lib/Types/LabelAssociation';
 import { ILabelAssociationRepository } from '@waha/core/engines/noweb/store/ILabelAssociationsRepository';
 import { ILabelsRepository } from '@waha/core/engines/noweb/store/ILabelsRepository';
+import { Sqlite3GroupRepository } from '@waha/core/engines/noweb/store/sqlite3/Sqlite3GroupRepository';
 import { Sqlite3LabelAssociationsRepository } from '@waha/core/engines/noweb/store/sqlite3/Sqlite3LabelAssociationsRepository';
 import { Sqlite3LabelsRepository } from '@waha/core/engines/noweb/store/sqlite3/Sqlite3LabelsRepository';
 import { Field, Index, Schema } from '@waha/core/storage/sqlite3/Schema';
@@ -62,6 +63,14 @@ export class Sqlite3Storage extends INowebStorage {
       'CREATE INDEX IF NOT EXISTS chats_conversationTimestamp_index ON chats (conversationTimestamp)',
     );
 
+    // Groups
+    this.db.exec(
+      'CREATE TABLE IF NOT EXISTS groups (id TEXT PRIMARY KEY, data TEXT)',
+    );
+    this.db.exec(
+      'CREATE UNIQUE INDEX IF NOT EXISTS groups_id_index ON groups (id)',
+    );
+
     // Messages
     this.db.exec(
       'CREATE TABLE IF NOT EXISTS messages (jid TEXT, id TEXT, messageTimestamp INTEGER, data TEXT)',
@@ -119,6 +128,10 @@ export class Sqlite3Storage extends INowebStorage {
     return new Sqlite3ChatRepository(this.db, this.getSchema('chats'));
   }
 
+  getGroupRepository() {
+    return new Sqlite3GroupRepository(this.db, this.getSchema('groups'));
+  }
+
   getLabelsRepository(): ILabelsRepository {
     return new Sqlite3LabelsRepository(this.db, this.getSchema('labels'));
   }

src/core/engines/noweb/useMultiFileAuthState.ts

@@ -4,9 +4,12 @@ import {
   proto,
 } from '@adiwajshing/baileys';
 import { BufferJSON, initAuthCreds } from '@adiwajshing/baileys/lib/Utils';
-import { mkdir, readFile, stat, unlink, writeFile } from 'fs/promises';
+import { mkdir, readFile, stat, unlink } from 'fs/promises';
 import { join } from 'path';
 
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const writeFileAtomic = require('write-file-atomic');
+
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const AsyncLock = require('async-lock');
 
@@ -33,7 +36,10 @@ export const useMultiFileAuthState = async (
   const writeData = (data: any, file: string) => {
     const filePath = join(folder, fixFileName(file));
     return fileLock.acquire(filePath, () =>
-      writeFile(join(filePath), JSON.stringify(data, BufferJSON.replacer)),
+      writeFileAtomic(
+        join(filePath),
+        JSON.stringify(data, BufferJSON.replacer),
+      ),
     );
   };
 

src/core/engines/noweb/utils.ts

@@ -78,6 +78,14 @@ const isObjectALong = (value: any): value is Long => {
   );
 };
 
+export function ensureNumber(value: number | Long): number {
+  if (!value) {
+    // @ts-ignore
+    return value;
+  }
+  return typeof value === 'number' ? value : toNumber(value);
+}
+
 const toNumber = (longValue: Long): number => {
   const { low, high, unsigned } = longValue;
   const result = unsigned ? low >>> 0 : low + high * 0x100000000;

src/core/engines/webjs/2.3000.1018072227-alpha.html

@@ -0,0 +1,52 @@
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+<script type="application/json"  data-content-len="92" data-sjs>{"require":[["qplTimingsServerJS",null,null,["7435115086220858941-server","htmlStart",23]]]}</script>
+
+<link type="text/css" rel="stylesheet" href="https://static.whatsapp.net/rsrc.php/v4/y4/l/0,cross/nJSuJRxe0LRIuQQZ3xdyKtes83aNhixgx.css" data-bootloader-hash="L0/3ndb" crossorigin="anonymous" data-p=":3,27,19" data-btmanifest="1018072227_main" data-c="1" />
+<link rel="preload" href="https://static.whatsapp.net/rsrc.php/v3/yl/r/HOQztTu5JYT.js" as="script" crossorigin="anonymous" nonce="o8S8zE9I" /><script src="https://static.whatsapp.net/rsrc.php/v3/yl/r/HOQztTu5JYT.js" data-bootloader-hash="A8pgoR4" async="1" crossorigin="anonymous" data-p=":1" data-btmanifest="1018072227_main" data-c="1"></script>
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+<link rel="preload" href="https://static.whatsapp.net/rsrc.php/v3/yS/r/UhwbwVdbQX0.js" as="script" crossorigin="anonymous" nonce="o8S8zE9I" /><script src="https://static.whatsapp.net/rsrc.php/v3/yS/r/UhwbwVdbQX0.js" data-bootloader-hash="F/l6arV" async="1" crossorigin="anonymous" data-p=":14" data-btmanifest="1018072227_main" data-c="1"></script>
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+

src/core/engines/webjs/LocalAuth.ts

@@ -0,0 +1,141 @@
+import * as fs from 'fs';
+import * as path from 'path';
+import pino, { Logger } from 'pino';
+import { AuthStrategy, Client } from 'whatsapp-web.js';
+
+async function isValidPath(path: string) {
+  try {
+    await fs.promises.access(path);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+export class LocalAuth implements AuthStrategy {
+  private readonly logger: Logger;
+
+  private client: Client;
+  private readonly clientId: string;
+  private readonly dataPath: string;
+  private readonly rmMaxRetries: number;
+
+  private userDataDir: string;
+
+  setup(client: Client) {
+    this.client = client;
+  }
+
+  constructor({ clientId, dataPath, rmMaxRetries, logger }) {
+    const idRegex = /^[-_\w]+$/i;
+    if (clientId && !idRegex.test(clientId)) {
+      throw new Error(
+        'Invalid clientId. Only alphanumeric characters, underscores and hyphens are allowed.',
+      );
+    }
+
+    this.dataPath = path.resolve(dataPath || './.wwebjs_auth/');
+    this.clientId = clientId;
+    this.rmMaxRetries = rmMaxRetries ?? 4;
+    this.logger = logger || pino({ name: LocalAuth.name });
+  }
+
+  async beforeBrowserInitialized() {
+    // @ts-ignore
+    const puppeteerOpts = this.client.options.puppeteer;
+    const sessionDirName = this.clientId
+      ? `session-${this.clientId}`
+      : 'session';
+    const dirPath = path.join(this.dataPath, sessionDirName);
+
+    if (puppeteerOpts.userDataDir && puppeteerOpts.userDataDir !== dirPath) {
+      throw new Error(
+        'LocalAuth is not compatible with a user-supplied userDataDir.',
+      );
+    }
+
+    fs.mkdirSync(dirPath, { recursive: true });
+
+    // @ts-ignore
+    this.client.options.puppeteer = {
+      ...puppeteerOpts,
+      userDataDir: dirPath,
+    };
+
+    this.userDataDir = dirPath;
+    await this.removeSingletonFiles(dirPath);
+  }
+
+  /**
+   * Find in direction Singleton* files and try to remove it
+   * Fix for SingletonLock and other files
+   */
+  private async removeSingletonFiles(dir: string) {
+    const files = await fs.promises.readdir(dir);
+    for (const file of files) {
+      if (file.startsWith('Singleton')) {
+        const filePath = path.join(dir, file);
+        try {
+          await fs.promises.rm(filePath, {
+            maxRetries: this.rmMaxRetries,
+            recursive: true,
+            force: true,
+          });
+        } catch (err) {
+          this.logger.error(err, `Error deleting: ${filePath}`);
+        }
+      }
+    }
+  }
+
+  async logout() {
+    if (this.userDataDir) {
+      await this.removePathSilently(this.userDataDir);
+    }
+  }
+
+  private async removePathSilently(path: string) {
+    const exists = await isValidPath(path);
+    if (!exists) {
+      return;
+    }
+
+    try {
+      await fs.promises.rm(path, {
+        maxRetries: this.rmMaxRetries,
+        recursive: true,
+        force: true,
+      });
+    } catch (err) {
+      this.logger.error(err, `Error deleting: ${path}`);
+    }
+  }
+
+  async afterBrowserInitialized() {
+    return;
+  }
+
+  async onAuthenticationNeeded() {
+    return {
+      failed: false,
+      restart: false,
+      failureEventPayload: undefined,
+    };
+  }
+
+  async getAuthEventPayload() {
+    return;
+  }
+
+  async afterAuthReady() {
+    return;
+  }
+
+  async disconnect() {
+    return;
+  }
+
+  async destroy() {
+    return;
+  }
+}

src/core/engines/webjs/WahaInjected.js

@@ -1,15 +0,0 @@
-exports.LoadUtils = () => {
-  window.WAHA = {};
-
-  window.WAHA.getChats = async (limit, offset) => {
-    let chats = window.Store.Chat.getModelsArray();
-    if (limit || offset) {
-      offset = offset || 0;
-      limit = limit || Infinity;
-      chats = chats.slice(offset, offset + limit);
-    }
-
-    const chatPromises = chats.map((chat) => window.WWebJS.getChatModel(chat));
-    return await Promise.all(chatPromises);
-  };
-};

src/core/engines/webjs/WebjsClient.ts

@@ -1,38 +1,200 @@
-import { Client } from 'whatsapp-web.js';
+import { GetChatMessagesFilter } from '@waha/structures/chats.dto';
+import { Label } from '@waha/structures/labels.dto';
+import { PaginationParams } from '@waha/structures/pagination.dto';
+import { TextStatus } from '@waha/structures/status.dto';
+import * as lodash from 'lodash';
+import { Client, Events } from 'whatsapp-web.js';
+import { Message } from 'whatsapp-web.js/src/structures';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
-const { LoadUtils } = require('./WahaInjected');
+const { LoadWAHA } = require('./_WAHA.js');
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const { LoadLodash } = require('./_lodash.js');
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const { LoadPaginator } = require('./_Paginator.js');
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const ChatFactory = require('whatsapp-web.js/src/factories/ChatFactory');
 
 export class WebjsClient extends Client {
-  async inject() {
-    // Even tho this.inject is not defined as interface in Client.ts
-    // We can still call and override it
-    // @ts-ignore
-    await super.inject();
-    //Load util functions (serializers, helper functions)
-    await this.pupPage.evaluate(LoadUtils);
+  constructor(options) {
+    super(options);
+    // Wait until it's READY and inject more utils
+    this.on(Events.READY, async () => {
+      await this.pupPage.evaluate(LoadLodash);
+      await this.pupPage.evaluate(LoadPaginator);
+      await this.pupPage.evaluate(LoadWAHA);
+    });
   }
 
-  async getChats(limit?: number, offset?: number) {
-    if (limit == null && offset == null) {
+  async unpair() {
+    await this.pupPage.evaluate(async () => {
+      if (
+        // @ts-ignore
+        window.Store &&
+        // @ts-ignore
+        window.Store.AppState &&
+        // @ts-ignore
+        typeof window.Store.AppState.logout === 'function'
+      ) {
+        // @ts-ignore
+        await window.Store.AppState.logout();
+      }
+    });
+  }
+
+  async createLabel(name: string, color: number): Promise<number> {
+    const labelId: number = await this.pupPage.evaluate(
+      async (name, color) => {
+        // @ts-ignore
+        return await window.WAHA.WAWebBizLabelEditingAction.labelAddAction(
+          name,
+          color,
+        );
+      },
+      name,
+      color,
+    );
+    return labelId;
+  }
+
+  async deleteLabel(label: Label) {
+    return await this.pupPage.evaluate(async (label) => {
+      // @ts-ignore
+      return await window.WAHA.WAWebBizLabelEditingAction.labelDeleteAction(
+        label.id,
+        label.name,
+        label.color,
+      );
+    }, label);
+  }
+
+  async updateLabel(label: Label) {
+    return await this.pupPage.evaluate(async (label) => {
+      // @ts-ignore
+      return await window.WAHA.WAWebBizLabelEditingAction.labelEditAction(
+        label.id,
+        label.name,
+        undefined, // predefinedId
+        label.color,
+      );
+    }, label);
+  }
+
+  async getChats(pagination?: PaginationParams) {
+    if (lodash.isEmpty(pagination)) {
       return await super.getChats();
     }
-    return await this.getChats2(limit, offset);
-  }
 
-  private async getChats2(limit?: number, offset?: number) {
-    const chats = await this.pupPage.evaluate(
-      async (limit, offset) => {
-        // @ts-ignore
-        return await window.WAHA.getChats(limit, offset);
-      },
-      limit,
-      offset,
-    );
+    // Get paginated chats
+    pagination.limit ||= Infinity;
+    pagination.offset ||= 0;
+
+    const chats = await this.pupPage.evaluate(async (pagination) => {
+      // @ts-ignore
+      return await window.WAHA.getChats(pagination);
+    }, pagination);
 
     return chats.map((chat) => ChatFactory.create(this, chat));
   }
+
+  async sendTextStatus(status: TextStatus) {
+    // Convert from hex to number
+    const waColor = 'FF' + status.backgroundColor.replace('#', '');
+    const color = parseInt(waColor, 16);
+
+    const textStatus = {
+      text: status.text,
+      color: color,
+      font: status.font,
+    };
+    const sentMsg = await this.pupPage.evaluate(async (status) => {
+      // @ts-ignore
+      await window.Store.SendStatus.sendStatusTextMsgAction(status);
+      // @ts-ignore
+      const meUser = window.Store.User.getMeUser();
+      // @ts-ignore
+      const myStatus = window.Store.Status.getModelsArray().findLast(
+        (x) => x.id == meUser,
+      );
+      if (!myStatus) {
+        return undefined;
+      }
+      // @ts-ignore
+      const msg = myStatus.msgs.last();
+      // @ts-ignore
+      return msg ? window.WWebJS.getMessageModel(msg) : undefined;
+    }, textStatus);
+
+    return sentMsg ? new Message(this, sentMsg) : undefined;
+  }
+
+  async getMessages(
+    chatId: string,
+    filter: GetChatMessagesFilter,
+    pagination: PaginationParams,
+  ) {
+    const messages = await this.pupPage.evaluate(
+      async (chatId, filter, pagination) => {
+        pagination.limit ||= Infinity;
+        pagination.offset ||= 0;
+
+        const msgFilter = (m) => {
+          if (m.isNotification) {
+            return false;
+          }
+          if (
+            filter['filter.fromMe'] != null &&
+            m.id.fromMe !== filter['filter.fromMe']
+          ) {
+            return false;
+          }
+          if (
+            filter['filter.timestamp.gte'] != null &&
+            m.t < filter['filter.timestamp.gte']
+          ) {
+            return false;
+          }
+          if (
+            filter['filter.timestamp.lte'] != null &&
+            m.t > filter['filter.timestamp.lte']
+          ) {
+            return false;
+          }
+          return true;
+        };
+
+        // @ts-ignore
+        const chat = await window.WWebJS.getChat(chatId, { getAsModel: false });
+        let msgs = chat.msgs.getModelsArray().filter(msgFilter);
+
+        while (msgs.length < pagination.limit + pagination.offset) {
+          const loadedMessages =
+            // @ts-ignore
+            await window.Store.ConversationMsgs.loadEarlierMsgs(chat);
+          if (!loadedMessages || !loadedMessages.length) break;
+          msgs = [...loadedMessages.filter(msgFilter), ...msgs];
+        }
+
+        if (msgs.length > pagination.limit + pagination.offset) {
+          // sort by t - new first
+          msgs = msgs.sort((a, b) => b.t - a.t);
+          msgs = msgs.slice(
+            pagination.offset,
+            pagination.limit + pagination.offset,
+          );
+        }
+
+        // @ts-ignore
+        return msgs.map((m) => window.WWebJS.getMessageModel(m));
+      },
+      chatId,
+      filter,
+      pagination,
+    );
+
+    return messages.map((m) => new Message(this, m));
+  }
 }

src/core/engines/webjs/_Paginator.js

@@ -0,0 +1,35 @@
+exports.LoadPaginator = () => {
+  class Paginator {
+    constructor(pagination) {
+      this.pagination = pagination;
+    }
+
+    apply(data) {
+      if (window.lodash.isEmpty(this.pagination)) {
+        return data;
+      }
+      return this.limit(this.sort(data));
+    }
+
+    sort(data) {
+      if (!this.pagination?.sortBy) {
+        return data;
+      }
+      return window.lodash.orderBy(
+        data,
+        [this.pagination.sortBy],
+        [this.pagination.sortOrder || 'asc'],
+      );
+    }
+
+    limit(data) {
+      if (!this.pagination?.limit) {
+        return data;
+      }
+      const offset = this.pagination.offset || 0;
+      const limit = this.pagination.limit || Infinity;
+      return data.slice(offset, offset + limit);
+    }
+  }
+  window.Paginator = Paginator;
+};

src/core/engines/webjs/_WAHA.js

@@ -0,0 +1,14 @@
+exports.LoadWAHA = () => {
+  window.WAHA = {};
+  window.WAHA.WAWebBizLabelEditingAction = window.require(
+    'WAWebBizLabelEditingAction',
+  );
+
+  window.WAHA.getChats = async (pagination) => {
+    let chats = window.Store.Chat.getModelsArray().slice();
+    const paginator = new window.Paginator(pagination);
+    chats = paginator.apply(chats);
+    const chatPromises = chats.map((chat) => window.WWebJS.getChatModel(chat));
+    return await Promise.all(chatPromises);
+  };
+};

src/core/engines/webjs/session.webjs.core.ts

@@ -1,8 +1,9 @@
+import { UnprocessableEntityException } from '@nestjs/common';
 import {
   getChannelInviteLink,
-  WAHAInternalEvent,
   WhatsappSession,
 } from '@waha/core/abc/session.abc';
+import { LocalAuth } from '@waha/core/engines/webjs/LocalAuth';
 import { WebjsClient } from '@waha/core/engines/webjs/WebjsClient';
 import {
   AvailableInPlusVersion,
@@ -10,21 +11,25 @@ import {
 } from '@waha/core/exceptions';
 import { IMediaEngineProcessor } from '@waha/core/media/IMediaEngineProcessor';
 import { QR } from '@waha/core/QR';
-import { parseBool, splitAt } from '@waha/helpers';
+import { splitAt } from '@waha/helpers';
 import { PairingCodeResponse } from '@waha/structures/auth.dto';
-import { CallData } from '@waha/structures/calls.dto';
 import {
   Channel,
   ChannelRole,
   CreateChannelRequest,
   ListChannelsQuery,
 } from '@waha/structures/channels.dto';
-import { ChatArchiveEvent, GetChatsQuery } from '@waha/structures/chats.dto';
+import {
+  ChatSortField,
+  ChatSummary,
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+} from '@waha/structures/chats.dto';
 import {
   ChatRequest,
   CheckNumberStatusQuery,
   EditMessageRequest,
-  GetMessageQuery,
   MessageFileRequest,
   MessageForwardRequest,
   MessageImageRequest,
@@ -49,16 +54,26 @@ import {
 } from '@waha/structures/enums.dto';
 import {
   CreateGroupRequest,
+  GroupSortField,
   ParticipantsRequest,
   SettingsSecurityChangeInfo,
 } from '@waha/structures/groups.dto';
-import { Label, LabelID } from '@waha/structures/labels.dto';
+import { Label, LabelDTO, LabelID } from '@waha/structures/labels.dto';
 import { ReplyToMessage } from '@waha/structures/message.dto';
+import { PaginationParams, SortOrder } from '@waha/structures/pagination.dto';
 import { WAMessage, WAMessageReaction } from '@waha/structures/responses.dto';
 import { MeInfo } from '@waha/structures/sessions.dto';
-import { WAMessageRevokedBody } from '@waha/structures/webhooks.dto';
-import { waitUntil } from '@waha/utils/promiseTimeout';
+import { StatusRequest, TextStatus } from '@waha/structures/status.dto';
+import {
+  EnginePayload,
+  WAMessageRevokedBody,
+} from '@waha/structures/webhooks.dto';
+import { PaginatorInMemory } from '@waha/utils/Paginator';
+import { sleep, waitUntil } from '@waha/utils/promiseTimeout';
 import { SingleDelayedJobRunner } from '@waha/utils/SingleDelayedJobRunner';
+import * as lodash from 'lodash';
+import { fromEvent, merge, mergeMap, Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
 import {
   Call,
   Channel as WEBJSChannel,
@@ -76,11 +91,9 @@ import {
 } from 'whatsapp-web.js';
 import { Message as MessageInstance } from 'whatsapp-web.js/src/structures';
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const QRCode = require('qrcode');
-
 export interface WebJSConfig {
   webVersion?: string;
+  cacheType: 'local' | 'none';
 }
 
 export class WhatsappSessionWebJSCore extends WhatsappSession {
@@ -124,8 +137,12 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   protected getClientOptions(): ClientOptions {
     const path = this.getClassDirName();
     const webVersion =
-      this.engineConfig?.webVersion || '2.3000.1014522270-alpha';
-    // this.log.debug(`Using web version: '${webVersion}'`);
+      this.engineConfig?.webVersion || '2.3000.1018072227-alpha';
+    const cacheType = this.engineConfig?.cacheType || 'none';
+    this.logger.info(`Using cache type: '${cacheType}'`);
+    if (cacheType === 'local') {
+      this.logger.info(`Using web version: '${webVersion}'`);
+    }
     return {
       puppeteer: {
         headless: true,
@@ -135,15 +152,21 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       },
       webVersion: webVersion,
       webVersionCache: {
-        type: 'none',
-        // path: path,
-        // strict: true,
+        type: cacheType,
+        path: path,
+        strict: true,
       },
     };
   }
 
   protected async buildClient() {
     const clientOptions = this.getClientOptions();
+    clientOptions.authStrategy = new LocalAuth({
+      clientId: this.name,
+      dataPath: undefined,
+      logger: this.logger,
+      rmMaxRetries: undefined,
+    });
     this.addProxyConfig(clientOptions);
     return new WebjsClient(clientOptions);
   }
@@ -193,15 +216,13 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       .then(() => {
         // Listen for browser disconnected event
         this.whatsapp.pupBrowser.on('disconnected', () => {
-          this.status = WAHASessionStatus.FAILED;
           this.logger.error('The browser has been disconnected');
-          this.restartClient();
+          this.failed();
         });
         // Listen for page close event
         this.whatsapp.pupPage.on('close', () => {
-          this.status = WAHASessionStatus.FAILED;
           this.logger.error('The WhatsApp Web page has been closed');
-          this.restartClient();
+          this.failed();
         });
 
         // Listen for page error event
@@ -216,16 +237,15 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
         }
       })
       .catch((error) => {
-        this.status = WAHASessionStatus.FAILED;
         this.logger.error(error);
-        this.restartClient();
+        this.failed();
         return;
       });
     if (this.isDebugEnabled()) {
       this.listenEngineEventsInDebugMode();
     }
     this.listenConnectionEvents();
-    this.events.emit(WAHAInternalEvent.ENGINE_START);
+    this.subscribeEngineEvents2();
   }
 
   async start() {
@@ -233,8 +253,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     await this.init().catch((err) => {
       this.logger.error('Failed to start the client');
       this.logger.error(err, err.stack);
-      this.status = WAHASessionStatus.FAILED;
-      this.restartClient();
+      this.failed();
     });
     return this;
   }
@@ -242,11 +261,25 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   async stop() {
     this.shouldRestart = false;
     this.status = WAHASessionStatus.STOPPED;
-    this.events.removeAllListeners();
+    this.stopEvents();
     this.startDelayedJob.cancel();
     await this.end();
   }
 
+  protected failed() {
+    // We'll restart the client if it's in the process of unpairing
+    this.status = WAHASessionStatus.FAILED;
+    this.restartClient();
+  }
+
+  async unpair() {
+    this.unpairing = true;
+    this.shouldRestart = false;
+    await this.whatsapp.unpair();
+    // Wait for unpairing to complete
+    await sleep(2_000);
+  }
+
   private async end() {
     this.engineStateCheckDelayedJob.cancel();
     try {
@@ -299,8 +332,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     this.whatsapp.on(Events.QR_RECEIVED, async (qr) => {
       this.logger.debug('QR received');
       // Convert to image and save
-      const url = await QRCode.toDataURL(qr);
-      this.qr.save(url, qr);
+      this.qr.save(qr);
       this.printQR(this.qr);
       this.status = WAHASessionStatus.SCAN_QR_CODE;
     });
@@ -312,19 +344,18 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     });
 
     this.whatsapp.on(Events.AUTHENTICATED, (args) => {
-      this.status = WAHASessionStatus.WORKING;
       this.qr.save('');
       this.logger.info({ args: args }, `Session has been authenticated!`);
     });
 
     this.whatsapp.on(Events.AUTHENTICATION_FAILURE, (args) => {
-      this.status = WAHASessionStatus.FAILED;
+      this.failed();
       this.qr.save('');
       this.logger.info({ args: args }, `Session has failed to authenticate!`);
     });
 
     this.whatsapp.on(Events.DISCONNECTED, (args) => {
-      this.status = WAHASessionStatus.FAILED;
+      this.failed();
       this.qr.save('');
       this.logger.info({ args: args }, `Session has been disconnected!`);
     });
@@ -340,7 +371,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
 
       log.info(`Session state changed to bad state, waiting for recovery...`);
       this.engineStateCheckDelayedJob.schedule(async () => {
-        if (!this.startDelayedJob.scheduled) {
+        if (this.startDelayedJob.scheduled) {
           log.info('Session is restarting already, skip check.');
           return;
         }
@@ -493,10 +524,6 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     await chat.clearState();
   }
 
-  async getMessages(query: GetMessageQuery) {
-    return this.getChatMessages(query.chatId, query.limit, query.downloadMedia);
-  }
-
   async setReaction(request: MessageReactionRequest) {
     const message = this.recreateMessage(request.messageId);
     return message.react(request.reaction);
@@ -525,18 +552,73 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   /**
    * Chats methods
    */
-  getChats(query: GetChatsQuery) {
-    return this.whatsapp.getChats(query.limit, query.offset);
+  getChats(pagination: PaginationParams) {
+    switch (pagination.sortBy) {
+      case ChatSortField.ID:
+        pagination.sortBy = 'id._serialized';
+        break;
+      case ChatSortField.CONVERSATION_TIMESTAMP:
+        pagination.sortBy = 't';
+        break;
+    }
+    return this.whatsapp.getChats(pagination);
   }
 
-  async getChatMessages(chatId: string, limit: number, downloadMedia: boolean) {
-    downloadMedia = parseBool(downloadMedia);
-    const chat: Chat = await this.whatsapp.getChatById(
+  public async getChatsOverview(
+    pagination: PaginationParams,
+  ): Promise<ChatSummary[]> {
+    pagination = {
+      ...pagination,
+      sortBy: ChatSortField.CONVERSATION_TIMESTAMP,
+      sortOrder: SortOrder.DESC,
+    };
+    const chats = await this.getChats(pagination);
+
+    const promises = [];
+    for (const chat of chats) {
+      promises.push(this.fetchChatSummary(chat));
+    }
+    const result = await Promise.all(promises);
+    return result;
+  }
+
+  protected async fetchChatSummary(chat: Chat): Promise<ChatSummary> {
+    const picture = await this.getContactProfilePicture(
+      chat.id._serialized,
+      false,
+    );
+    const lastMessage = !!chat.lastMessage
+      ? this.toWAMessage(chat.lastMessage)
+      : null;
+    return {
+      id: chat.id._serialized,
+      name: chat.name || null,
+      picture: picture,
+      lastMessage: lastMessage,
+      _chat: chat,
+    };
+  }
+
+  public async getChatMessages(
+    chatId: string,
+    query: GetChatMessagesQuery,
+    filter: GetChatMessagesFilter,
+  ) {
+    if (chatId == 'all') {
+      throw new NotImplementedByEngineError(
+        "Can not get messages from 'all' in WEBJS",
+      );
+    }
+
+    const downloadMedia = query.downloadMedia;
+    // Test there's chat with id
+    await this.whatsapp.getChatById(this.ensureSuffix(chatId));
+    const pagination: PaginationParams = query;
+    const messages = await this.whatsapp.getMessages(
       this.ensureSuffix(chatId),
+      filter,
+      pagination,
     );
-    const messages = await chat.fetchMessages({
-      limit: limit,
-    });
     const promises = [];
     for (const msg of messages) {
       promises.push(this.processIncomingMessage(msg, downloadMedia));
@@ -546,6 +628,33 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return result;
   }
 
+  public async getChatMessage(
+    chatId: string,
+    messageId: string,
+    query: GetChatMessageQuery,
+  ): Promise<null | WAMessage> {
+    const message = await this.whatsapp.getMessageById(messageId);
+    if (!message) return null;
+    return await this.processIncomingMessage(message, query.downloadMedia);
+  }
+
+  public async pinMessage(
+    chatId: string,
+    messageId: string,
+    duration: number,
+  ): Promise<boolean> {
+    const message = await this.whatsapp.getMessageById(messageId);
+    return message.pin(duration);
+  }
+
+  public async unpinMessage(
+    chatId: string,
+    messageId: string,
+  ): Promise<boolean> {
+    const message = await this.whatsapp.getMessageById(messageId);
+    return message.unpin();
+  }
+
   async deleteChat(chatId) {
     const chat = await this.whatsapp.getChatById(chatId);
     return chat.delete();
@@ -566,6 +675,11 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return this.whatsapp.unarchiveChat(id);
   }
 
+  public chatsUnreadChat(chatId: string): Promise<any> {
+    const id = this.ensureSuffix(chatId);
+    return this.whatsapp.markChatUnread(id);
+  }
+
   /**
    *
    * Label methods
@@ -576,6 +690,24 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return labels.map(this.toLabel);
   }
 
+  public async createLabel(label: LabelDTO): Promise<Label> {
+    const labelId = await this.whatsapp.createLabel(label.name, label.color);
+    return {
+      id: labelId.toString(),
+      name: label.name,
+      color: label.color,
+      colorHex: Label.toHex(label.color),
+    };
+  }
+
+  public async updateLabel(label: Label): Promise<Label> {
+    return await this.whatsapp.updateLabel(label);
+  }
+
+  public deleteLabel(label: Label): Promise<void> {
+    return this.whatsapp.deleteLabel(label);
+  }
+
   public getChatsByLabelId(labelId: string) {
     return this.whatsapp.getChatsByLabelId(labelId);
   }
@@ -611,10 +743,11 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       .then(this.toWAContact);
   }
 
-  getContacts() {
-    return this.whatsapp
-      .getContacts()
-      .then((contacts) => contacts.map(this.toWAContact));
+  async getContacts(pagination: PaginationParams) {
+    const contactsWEBJS = await this.whatsapp.getContacts();
+    const contacts = contactsWEBJS.map(this.toWAContact);
+    const paginator = new PaginatorInMemory(pagination);
+    return paginator.apply(contacts);
   }
 
   public async getContactAbout(query: ContactQuery) {
@@ -624,11 +757,10 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return { about: await contact.getAbout() };
   }
 
-  public async getContactProfilePicture(query: ContactQuery) {
-    const contact = await this.whatsapp.getContactById(
-      this.ensureSuffix(query.contactId),
-    );
-    return { profilePictureURL: await contact.getProfilePicUrl() };
+  public async fetchContactProfilePicture(id: string) {
+    const contact = await this.whatsapp.getContactById(this.ensureSuffix(id));
+    const url = await contact.getProfilePicUrl();
+    return url;
   }
 
   public async blockContact(request: ContactRequest) {
@@ -655,6 +787,14 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return this.whatsapp.createGroup(request.name, participantIds);
   }
 
+  public joinGroup(code: string) {
+    return this.whatsapp.acceptInvite(code);
+  }
+
+  public joinInfoGroup(code: string) {
+    return this.whatsapp.getInviteInfo(code);
+  }
+
   public async getInfoAdminsOnly(id): Promise<SettingsSecurityChangeInfo> {
     const groupChat = (await this.whatsapp.getChatById(id)) as GroupChat;
     return {
@@ -684,10 +824,25 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return groupChat.setMessagesAdminsOnly(value);
   }
 
-  public getGroups() {
-    return this.whatsapp
-      .getChats()
-      .then((chats) => chats.filter((chat) => chat.isGroup));
+  public async getGroups(pagination: PaginationParams) {
+    const chats = await this.whatsapp.getChats();
+    const groups = lodash.filter(chats, (chat) => chat.isGroup);
+
+    switch (pagination.sortBy) {
+      case GroupSortField.ID:
+        pagination.sortBy = 'id._serialized';
+        break;
+      case GroupSortField.SUBJECT:
+        pagination.sortBy = 'groupMetadata.subject';
+        break;
+    }
+
+    const paginator = new PaginatorInMemory(pagination);
+    return paginator.apply(groups);
+  }
+
+  public async refreshGroups(): Promise<boolean> {
+    return true;
   }
 
   public getGroup(id) {
@@ -893,88 +1048,165 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     }
   }
 
+  /**
+   * Status methods
+   */
+  protected checkStatusRequest(request: StatusRequest) {
+    if (request.contacts?.length > 0) {
+      const msg =
+        "WEBJS doesn't accept 'contacts'. Remove the field to send status to all contacts.";
+      throw new UnprocessableEntityException(msg);
+    }
+  }
+
+  public sendTextStatus(status: TextStatus) {
+    this.checkStatusRequest(status);
+    return this.whatsapp.sendTextStatus(status);
+  }
+
   /**
    * END - Methods for API
    */
-
-  subscribeEngineEvent(event, handler): boolean {
-    switch (event) {
-      case WAHAEvents.MESSAGE:
-        this.whatsapp.on(Events.MESSAGE_RECEIVED, (message) =>
-          this.processIncomingMessage(message).then(handler),
-        );
-        return true;
-      case WAHAEvents.MESSAGE_WAITING:
-        this.whatsapp.on(Events.MESSAGE_CIPHERTEXT, (message) =>
-          this.processIncomingMessage(message).then(handler),
-        );
-        return true;
-      case WAHAEvents.MESSAGE_REVOKED:
-        this.whatsapp.on(
-          Events.MESSAGE_REVOKED_EVERYONE,
-          async (after, before) => {
-            const afterMessage = after ? await this.toWAMessage(after) : null;
-            const beforeMessage = before
-              ? await this.toWAMessage(before)
-              : null;
-            const body: WAMessageRevokedBody = {
-              after: afterMessage,
-              before: beforeMessage,
+  subscribeEngineEvents2() {
+    //
+    // All
+    //
+    const events: Observable<EnginePayload>[] = [];
+    for (const key in Events) {
+      const event = Events[key];
+      const event$ = fromEvent(this.whatsapp, event);
+      events.push(
+        event$.pipe(
+          map((data) => {
+            return {
+              event: event,
+              data: data,
             };
-            handler(body);
-          },
-        );
-        return true;
-      case WAHAEvents.MESSAGE_REACTION:
-        this.whatsapp.on('message_reaction', (message) =>
-          handler(this.processMessageReaction(message)),
-        );
-        return true;
-      case WAHAEvents.MESSAGE_ANY:
-        this.whatsapp.on(Events.MESSAGE_CREATE, (message) =>
-          this.processIncomingMessage(message).then(handler),
-        );
-        return true;
-      case WAHAEvents.STATE_CHANGE:
-        this.whatsapp.on(Events.STATE_CHANGED, handler);
-        return true;
-      case WAHAEvents.MESSAGE_ACK:
-        // We do not download media here
-        this.whatsapp.on(Events.MESSAGE_ACK, (message) =>
-          this.toWAMessage(message).then(handler),
-        );
-        return true;
-      case WAHAEvents.GROUP_JOIN:
-        this.whatsapp.on(Events.GROUP_JOIN, handler);
-        return true;
-      case WAHAEvents.GROUP_LEAVE:
-        this.whatsapp.on(Events.GROUP_LEAVE, handler);
-        return true;
-      case WAHAEvents.CHAT_ARCHIVE:
-        this.whatsapp.on('chat_archived', (chat, archived, _) => {
-          const body: ChatArchiveEvent = {
-            id: chat.id._serialized,
-            archived: archived,
-            timestamp: chat.timestamp,
-          };
-          handler(body);
-        });
-        return true;
-      case WAHAEvents.CALL_RECEIVED:
-        this.whatsapp.on('call', (call: Call) => {
-          const body: CallData = {
-            id: call.id,
-            from: call.from,
-            timestamp: call.timestamp,
-            isVideo: call.isVideo,
-            isGroup: call.isGroup,
-          };
-          handler(body);
-        });
-        return true;
-      default:
-        return false;
+          }),
+        ),
+      );
     }
+    const all$ = merge(...events);
+    this.events2.get(WAHAEvents.ENGINE_EVENT).switch(all$);
+
+    //
+    // Messages
+    //
+    const messageReceived$ = fromEvent(this.whatsapp, Events.MESSAGE_RECEIVED);
+    const messagesFromOthers$ = messageReceived$.pipe(
+      mergeMap((msg: any) => this.processIncomingMessage(msg, true)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE).switch(messagesFromOthers$);
+
+    const messageCreate$ = fromEvent(this.whatsapp, Events.MESSAGE_CREATE);
+    const messagesFromAll$ = messageCreate$.pipe(
+      mergeMap((msg: any) => this.processIncomingMessage(msg, true)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_ANY).switch(messagesFromAll$);
+
+    const messageCiphertext$ = fromEvent(
+      this.whatsapp,
+      Events.MESSAGE_CIPHERTEXT,
+    );
+    const messagesWaiting$ = messageCiphertext$.pipe(
+      mergeMap((msg: any) => this.processIncomingMessage(msg, true)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_WAITING).switch(messagesWaiting$);
+
+    const messageRevoked$ = fromEvent(
+      this.whatsapp,
+      Events.MESSAGE_REVOKED_EVERYONE,
+      (after, before) => {
+        return { after, before };
+      },
+    );
+    const messagesRevoked$ = messageRevoked$.pipe(
+      map((event): WAMessageRevokedBody => {
+        const afterMessage = event.after ? this.toWAMessage(event.after) : null;
+        const beforeMessage = event.before
+          ? this.toWAMessage(event.before)
+          : null;
+        return {
+          after: afterMessage,
+          before: beforeMessage,
+        };
+      }),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_REVOKED).switch(messagesRevoked$);
+
+    const messageReaction$ = fromEvent(this.whatsapp, 'message_reaction');
+    const messagesReaction$ = messageReaction$.pipe(
+      map(this.processMessageReaction.bind(this)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_REACTION).switch(messagesReaction$);
+
+    const messageAck$ = fromEvent(
+      this.whatsapp,
+      Events.MESSAGE_ACK,
+      (message, ack) => {
+        return { message, ack };
+      },
+    );
+    const messagesAck$ = messageAck$.pipe(
+      map((event) => event.message),
+      map(this.toWAMessage.bind(this)),
+    );
+    this.events2.get(WAHAEvents.MESSAGE_ACK).switch(messagesAck$);
+
+    //
+    // Others
+    //
+    const stateChanged$ = fromEvent(this.whatsapp, Events.STATE_CHANGED);
+    this.events2.get(WAHAEvents.STATE_CHANGE).switch(stateChanged$);
+
+    //
+    // Groups
+    //
+    const groupJoin$ = fromEvent(this.whatsapp, Events.GROUP_JOIN);
+    this.events2.get(WAHAEvents.GROUP_JOIN).switch(groupJoin$);
+    const groupLeave$ = fromEvent(this.whatsapp, Events.GROUP_LEAVE);
+    this.events2.get(WAHAEvents.GROUP_LEAVE).switch(groupLeave$);
+
+    //
+    // Chats
+    //
+    const chatArchived$ = fromEvent(
+      this.whatsapp,
+      'chat_archived',
+      (chat, archived, _) => {
+        return {
+          chat: chat,
+          archived: archived,
+        };
+      },
+    );
+    const chatsArchived$ = chatArchived$.pipe(
+      map((event) => {
+        return {
+          id: event.chat.id._serialized,
+          archived: event.archived,
+          timestamp: event.chat.timestamp,
+        };
+      }),
+    );
+    this.events2.get(WAHAEvents.CHAT_ARCHIVE).switch(chatsArchived$);
+
+    //
+    // Calls
+    //
+    const call$ = fromEvent(this.whatsapp, 'call');
+    const calls$ = call$.pipe(
+      map((call: Call) => {
+        return {
+          id: call.id,
+          from: call.from,
+          timestamp: call.timestamp,
+          isVideo: call.isVideo,
+          isGroup: call.isGroup,
+        };
+      }),
+    );
+    this.events2.get(WAHAEvents.CALL_RECEIVED).switch(calls$);
   }
 
   private async processIncomingMessage(message: Message, downloadMedia = true) {
@@ -986,7 +1218,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
         this.logger.error(e, e.stack);
       }
     }
-    return await this.toWAMessage(message);
+    return this.toWAMessage(message);
   }
 
   private processMessageReaction(reaction: Reaction): WAMessageReaction {
@@ -1004,10 +1236,10 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     };
   }
 
-  protected toWAMessage(message: Message): Promise<WAMessage> {
+  protected toWAMessage(message: Message): WAMessage {
     const replyTo = this.extractReplyTo(message);
     // @ts-ignore
-    return Promise.resolve({
+    return {
       id: message.id._serialized,
       timestamp: message.timestamp,
       from: message.from,
@@ -1028,7 +1260,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       vCards: message.vCards,
       replyTo: replyTo,
       _data: message.rawData,
-    });
+    };
   }
 
   protected extractReplyTo(message: Message): ReplyToMessage | null {
@@ -1072,6 +1304,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return {
       mentions: mentions,
       quotedMessageId: quotedMessageId,
+      linkPreview: request.linkPreview,
     };
   }
 }

src/core/exceptions.ts

@@ -6,7 +6,7 @@ export class NotImplementedByEngineError extends UnprocessableEntityException {
   constructor(msg = '') {
     let error = 'The method is not implemented by the engine.';
     if (msg) {
-      error += ` ${msg}`;
+      error = `${msg} ${error}`;
     }
     super(error);
   }

src/core/integrations/webhooks/WebhookConductor.ts

@@ -0,0 +1,54 @@
+import { populateSessionInfo } from '@waha/core/abc/manager.abc';
+import { WhatsappSession } from '@waha/core/abc/session.abc';
+import { WebhookSender } from '@waha/core/integrations/webhooks/WebhookSender';
+import { WAHAEvents, WAHAEventsWild } from '@waha/structures/enums.dto';
+import { WebhookConfig } from '@waha/structures/webhooks.config.dto';
+import { EventWildUnmask } from '@waha/utils/events';
+import { LoggerBuilder } from '@waha/utils/logging';
+import { Logger } from 'pino';
+
+export class WebhookConductor {
+  private logger: Logger;
+  private eventUnmask = new EventWildUnmask(WAHAEvents, WAHAEventsWild);
+
+  constructor(protected loggerBuilder: LoggerBuilder) {
+    this.logger = loggerBuilder.child({ name: WebhookConductor.name });
+  }
+
+  protected buildSender(webhookConfig: WebhookConfig): WebhookSender {
+    return new WebhookSender(this.loggerBuilder, webhookConfig);
+  }
+
+  private getSuitableEvents(events: WAHAEvents[] | string[]): WAHAEvents[] {
+    return this.eventUnmask.unmask(events);
+  }
+
+  public configure(session: WhatsappSession, webhooks: WebhookConfig[]) {
+    for (const webhookConfig of webhooks) {
+      this.configureSingleWebhook(session, webhookConfig);
+    }
+  }
+
+  private configureSingleWebhook(
+    session: WhatsappSession,
+    webhook: WebhookConfig,
+  ) {
+    if (!webhook || !webhook.url || webhook.events.length === 0) {
+      return;
+    }
+
+    const url = webhook.url;
+    this.logger.info(`Configuring webhooks for ${url}...`);
+    const events = this.getSuitableEvents(webhook.events);
+    const sender = this.buildSender(webhook);
+    for (const event of events) {
+      const obs$ = session.getEventObservable(event);
+      obs$.subscribe((payload) => {
+        const data = populateSessionInfo(event, session)(payload);
+        sender.send(data);
+      });
+      this.logger.debug(`Event '${event}' is enabled for url: ${url}`);
+    }
+    this.logger.info(`Webhooks were configured for ${url}.`);
+  }
+}

src/core/integrations/webhooks/WebhookSender.ts

@@ -0,0 +1,203 @@
+import { SECOND } from '@waha/structures/enums.dto';
+import {
+  RetryPolicy,
+  WebhookConfig,
+} from '@waha/structures/webhooks.config.dto';
+import { LoggerBuilder } from '@waha/utils/logging';
+import { VERSION } from '@waha/version';
+import axios, { AxiosInstance } from 'axios';
+import axiosRetry, { retryAfter } from 'axios-retry';
+import * as crypto from 'crypto';
+import { Logger } from 'pino';
+import { ulid } from 'ulid';
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const HttpAgent = require('agentkeepalive');
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const HttpsAgent = require('agentkeepalive').HttpsAgent;
+
+const DEFAULT_RETRY_DELAY_SECONDS = 2;
+const DEFAULT_RETRY_ATTEMPTS = 15;
+const DEFAULT_HMAC_ALGORITHM = 'sha512';
+
+function noDelay(_retryNumber = 0, error: any) {
+  return Math.max(0, retryAfter(error));
+}
+
+function constantDelay(delayFactor: number) {
+  return (_retryNumber = 0, error = undefined) => {
+    return Math.max(delayFactor, retryAfter(error));
+  };
+}
+
+export function exponentialDelay(delayFactor: number) {
+  return (retryNumber = 0, error = undefined) => {
+    const calculatedDelay = 2 ** retryNumber * delayFactor;
+    const delay = Math.max(calculatedDelay, retryAfter(error));
+    const randomSum = delay * 0.2 * Math.random(); // 0-20% of the delay
+    return delay + randomSum;
+  };
+}
+
+export class WebhookSender {
+  protected static AGENTS = {
+    http: new HttpAgent({}),
+    https: new HttpsAgent({}),
+  };
+
+  protected url: string;
+  protected logger: Logger;
+  protected readonly config: WebhookConfig;
+
+  protected axios: AxiosInstance;
+
+  constructor(
+    loggerBuilder: LoggerBuilder,
+    protected webhookConfig: WebhookConfig,
+  ) {
+    this.url = webhookConfig.url;
+    this.logger = loggerBuilder.child({ name: WebhookSender.name });
+    this.config = webhookConfig;
+    this.axios = this.buildAxiosInstance();
+  }
+
+  send(json: any) {
+    const body = JSON.stringify(json);
+    const headers = {
+      'content-type': 'application/json',
+    };
+    Object.assign(headers, this.getWebhookHeader());
+    Object.assign(headers, this.getHMACHeaders(body));
+    const ctx = {
+      id: headers['X-Webhook-Request-Id'],
+      ['event.id']: json.id,
+      url: this.url,
+    };
+    this.logger.info(ctx, `Sending POST...`);
+    this.logger.debug(ctx, `POST DATA`);
+
+    this.axios
+      .post(this.url, body, { headers: headers })
+      .then((response) => {
+        this.logger.info(
+          ctx,
+          `POST request was sent with status code: ${response.status}`,
+        );
+        this.logger.debug(
+          {
+            ...ctx,
+            body: response.data,
+          },
+          `Response`,
+        );
+      })
+      .catch((error) => {
+        this.logger.error(
+          {
+            ...ctx,
+            error: error.message,
+            data: error.response?.data,
+          },
+          `POST request failed: ${error.message}`,
+        );
+      });
+  }
+
+  protected buildAxiosInstance(): AxiosInstance {
+    // configure headers
+    const customHeaders = this.config.customHeaders || [];
+    const headers = {
+      'content-type': 'application/json',
+      'User-Agent': `WAHA/${VERSION.version}`,
+    };
+    customHeaders.forEach((header) => {
+      headers[header.name] = header.value;
+    });
+
+    // configure retry
+    const attempts = this.config.retries?.attempts ?? DEFAULT_RETRY_ATTEMPTS;
+    const delaySeconds =
+      this.config.retries?.delaySeconds ?? DEFAULT_RETRY_DELAY_SECONDS;
+    const delayMs = delaySeconds * SECOND;
+    const policy = this.config.retries?.policy;
+    const retryDelay = this.buildRetryDelay(policy, delayMs);
+
+    const instance = axios.create({
+      headers: headers,
+      httpAgent: WebhookSender.AGENTS.http,
+      httpsAgent: WebhookSender.AGENTS.https,
+    });
+    axiosRetry(instance, {
+      retries: attempts,
+      retryDelay: retryDelay,
+      retryCondition: (error) => true,
+      onRetry: (retryCount, error, requestConfig) => {
+        this.logger.warn(
+          { id: requestConfig.headers['X-Webhook-Request-Id'] },
+          `Error sending POST request: '${error.message}'. Retrying ${retryCount}/${attempts}...`,
+        );
+      },
+    });
+    return instance;
+  }
+
+  protected getHMACHeaders(body: string) {
+    // HMAC
+    const hmac = this.calculateHmac(body, DEFAULT_HMAC_ALGORITHM);
+    if (!hmac) {
+      return {};
+    }
+    return {
+      'X-Webhook-Hmac': hmac,
+      'X-Webhook-Hmac-Algorithm': DEFAULT_HMAC_ALGORITHM,
+    };
+  }
+
+  protected getWebhookHeader() {
+    return {
+      // UUID, no '-' in it
+      'X-Webhook-Request-Id': ulid(),
+      // unix timestamp with ms
+      'X-Webhook-Timestamp': Date.now().toString(),
+    };
+  }
+
+  private calculateHmac(body, algorithm) {
+    if (!this.config.hmac || !this.config.hmac.key) {
+      return undefined;
+    }
+
+    return crypto
+      .createHmac(algorithm, this.config.hmac.key)
+      .update(body)
+      .digest('hex');
+  }
+
+  private buildRetryDelay(
+    policy: RetryPolicy | null,
+    ms: number,
+  ): (retryNumber: number, error: any) => number {
+    if (!ms) {
+      this.logger.debug(`Using no delay, because delaySeconds set to 0`);
+      return noDelay;
+    }
+
+    switch (policy) {
+      case RetryPolicy.CONSTANT:
+        this.logger.debug(`Using constant delay with '${ms}' ms factor`);
+        return constantDelay(ms);
+
+      case RetryPolicy.LINEAR:
+        this.logger.debug(`Using linear delay with '${ms}' ms factor`);
+        return axiosRetry.linearDelay(ms);
+
+      case RetryPolicy.EXPONENTIAL:
+        this.logger.debug(`Using exponential delay with '${ms}' ms factor`);
+        return exponentialDelay(ms);
+
+      default:
+        this.logger.debug('No delay policy specified, using constant delay');
+        return constantDelay(ms);
+    }
+  }
+}

src/core/manager.core.ts

@@ -3,11 +3,20 @@ import {
   NotFoundException,
   UnprocessableEntityException,
 } from '@nestjs/common';
+import { EngineBootstrap } from '@waha/core/abc/EngineBootstrap';
+import { GowsEngineConfigService } from '@waha/core/config/GowsEngineConfigService';
+import { WebJSEngineConfigService } from '@waha/core/config/WebJSEngineConfigService';
+import { WhatsappSessionGoWSCore } from '@waha/core/engines/gows/session.gows.core';
+import { WebhookConductor } from '@waha/core/integrations/webhooks/WebhookConductor';
 import { MediaStorageFactory } from '@waha/core/media/MediaStorageFactory';
+import { DefaultMap } from '@waha/utils/DefaultMap';
 import { getPinoLogLevel, LoggerBuilder } from '@waha/utils/logging';
 import { promiseTimeout, sleep } from '@waha/utils/promiseTimeout';
-import { EventEmitter } from 'events';
+import { complete } from '@waha/utils/reactive/complete';
+import { SwitchObservable } from '@waha/utils/reactive/SwitchObservable';
 import { PinoLogger } from 'nestjs-pino';
+import { Observable, retry, share } from 'rxjs';
+import { map } from 'rxjs/operators';
 
 import { WhatsappConfigService } from '../config.service';
 import {
@@ -23,7 +32,7 @@ import {
   SessionInfo,
 } from '../structures/sessions.dto';
 import { WebhookConfig } from '../structures/webhooks.config.dto';
-import { SessionManager } from './abc/manager.abc';
+import { populateSessionInfo, SessionManager } from './abc/manager.abc';
 import { SessionParams, WhatsappSession } from './abc/session.abc';
 import { EngineConfigService } from './config/EngineConfigService';
 import { WhatsappSessionNoWebCore } from './engines/noweb/session.noweb.core';
@@ -33,7 +42,6 @@ import { getProxyConfig } from './helpers.proxy';
 import { MediaManager } from './media/MediaManager';
 import { LocalSessionAuthRepository } from './storage/LocalSessionAuthRepository';
 import { LocalStoreCore } from './storage/LocalStoreCore';
-import { WebhookConductorCore } from './webhooks.core';
 
 export class OnlyDefaultSessionIsAllowed extends UnprocessableEntityException {
   constructor() {
@@ -59,25 +67,34 @@ export class SessionManagerCore extends SessionManager {
   private sessionConfig?: SessionConfig;
   DEFAULT = 'default';
 
-  // @ts-ignore
-  protected WebhookConductorClass = WebhookConductorCore;
   protected readonly EngineClass: typeof WhatsappSession;
+  protected events2: DefaultMap<WAHAEvents, SwitchObservable<any>>;
+  protected readonly engineBootstrap: EngineBootstrap;
 
   constructor(
     config: WhatsappConfigService,
     private engineConfigService: EngineConfigService,
+    private webjsEngineConfigService: WebJSEngineConfigService,
+    gowsConfigService: GowsEngineConfigService,
     log: PinoLogger,
     private mediaStorageFactory: MediaStorageFactory,
   ) {
-    super(config, log);
-    this.events = new EventEmitter();
+    super(log, config, gowsConfigService);
     this.session = DefaultSessionStatus.STOPPED;
     this.sessionConfig = null;
     const engineName = this.engineConfigService.getDefaultEngineName();
     this.EngineClass = this.getEngine(engineName);
+    this.engineBootstrap = this.getEngineBootstrap(engineName);
+
+    this.events2 = new DefaultMap<WAHAEvents, SwitchObservable<any>>(
+      (key) =>
+        new SwitchObservable((obs$) => {
+          return obs$.pipe(retry(), share());
+        }),
+    );
+
     this.store = new LocalStoreCore(engineName.toLowerCase());
     this.sessionAuthRepository = new LocalSessionAuthRepository(this.store);
-    this.startPredefinedSessions();
     this.clearStorage().catch((error) => {
       this.log.error({ error }, 'Error while clearing storage');
     });
@@ -88,6 +105,8 @@ export class SessionManagerCore extends SessionManager {
       return WhatsappSessionWebJSCore;
     } else if (engine === WAHAEngine.NOWEB) {
       return WhatsappSessionNoWebCore;
+    } else if (engine === WAHAEngine.GOWS) {
+      return WhatsappSessionGoWSCore;
     } else {
       throw new NotFoundException(`Unknown whatsapp engine '${engine}'.`);
     }
@@ -100,10 +119,17 @@ export class SessionManagerCore extends SessionManager {
   }
 
   async beforeApplicationShutdown(signal?: string) {
+    this.stopEvents();
     if (!this.session) {
       return;
     }
     await this.stop(this.DEFAULT, true);
+    await this.engineBootstrap.shutdown();
+  }
+
+  async onApplicationBootstrap() {
+    await this.engineBootstrap.bootstrap();
+    this.startPredefinedSessions();
   }
 
   private async clearStorage() {
@@ -138,7 +164,7 @@ export class SessionManagerCore extends SessionManager {
         `Session '${this.DEFAULT}' is already started.`,
       );
     }
-    this.log.info(`'${name}' - starting session...`);
+    this.log.info({ session: name }, `Starting session...`);
     const logger = this.log.logger.child({ session: name });
     logger.level = getPinoLogLevel(this.sessionConfig?.debug);
     const loggerBuilder: LoggerBuilder = logger;
@@ -153,7 +179,7 @@ export class SessionManagerCore extends SessionManager {
       loggerBuilder.child({ name: 'MediaManager' }),
     );
 
-    const webhook = new this.WebhookConductorClass(loggerBuilder);
+    const webhook = new WebhookConductor(loggerBuilder);
     const proxyConfig = this.getProxyConfig();
     const sessionConfig: SessionParams = {
       name,
@@ -164,21 +190,21 @@ export class SessionManagerCore extends SessionManager {
       proxyConfig: proxyConfig,
       sessionConfig: this.sessionConfig,
     };
+    if (this.EngineClass === WhatsappSessionWebJSCore) {
+      sessionConfig.engineConfig = this.webjsEngineConfigService.getConfig();
+    } else if (this.EngineClass === WhatsappSessionGoWSCore) {
+      sessionConfig.engineConfig = this.gowsConfigService.getConfig();
+    }
     await this.sessionAuthRepository.init(name);
     // @ts-ignore
     const session = new this.EngineClass(sessionConfig);
     this.session = session;
+    this.updateSession();
 
     // configure webhooks
     const webhooks = this.getWebhooks();
     webhook.configure(session, webhooks);
 
-    // configure events
-    session.events.on(
-      WAHAEvents.SESSION_STATUS,
-      this.handleSessionEvent(WAHAEvents.SESSION_STATUS, session),
-    );
-
     // start session
     await session.start();
     logger.info('Session has been started.');
@@ -189,14 +215,32 @@ export class SessionManagerCore extends SessionManager {
     };
   }
 
+  private updateSession() {
+    if (!this.session) {
+      return;
+    }
+    const session: WhatsappSession = this.session as WhatsappSession;
+    for (const eventName in WAHAEvents) {
+      const event = WAHAEvents[eventName];
+      const stream$ = session
+        .getEventObservable(event)
+        .pipe(map(populateSessionInfo(event, session)));
+      this.events2.get(event).switch(stream$);
+    }
+  }
+
+  getSessionEvent(session: string, event: WAHAEvents): Observable<any> {
+    return this.events2.get(event);
+  }
+
   async stop(name: string, silent: boolean): Promise<void> {
     this.onlyDefault(name);
     if (!this.isRunning(name)) {
-      this.log.debug(`Session is not running.`, { session: name });
+      this.log.debug({ session: name }, `Session is not running.`);
       return;
     }
 
-    this.log.info(`Stopping session...`, { session: name });
+    this.log.info({ session: name }, `Stopping session...`);
     try {
       const session = this.getSession(name);
       await session.stop();
@@ -206,11 +250,25 @@ export class SessionManagerCore extends SessionManager {
         throw err;
       }
     }
-    this.log.info(`Session has been stopped.`, { session: name });
+    this.log.info({ session: name }, `Session has been stopped.`);
     this.session = DefaultSessionStatus.STOPPED;
+    this.updateSession();
     await sleep(this.SESSION_STOP_TIMEOUT);
   }
 
+  async unpair(name: string) {
+    if (!this.session) {
+      return;
+    }
+    const session = this.session as WhatsappSession;
+
+    this.log.info({ session: name }, 'Unpairing the device from account...');
+    await session.unpair().catch((err) => {
+      this.log.warn(`Error while unpairing from device: ${err}`);
+    });
+    await sleep(1000);
+  }
+
   async logout(name: string): Promise<void> {
     this.onlyDefault(name);
     await this.sessionAuthRepository.clean(name);
@@ -219,6 +277,7 @@ export class SessionManagerCore extends SessionManager {
   async delete(name: string): Promise<void> {
     this.onlyDefault(name);
     this.session = DefaultSessionStatus.REMOVED;
+    this.updateSession();
     this.sessionConfig = undefined;
   }
 
@@ -326,4 +385,8 @@ export class SessionManagerCore extends SessionManager {
     const engine = await this.fetchEngineInfo();
     return { ...session, engine: engine };
   }
+
+  protected stopEvents() {
+    complete(this.events2);
+  }
 }

src/core/media/local/MediaLocalStorage.ts

@@ -3,12 +3,12 @@ import { SECOND } from '@waha/structures/enums.dto';
 import * as fsp from 'fs/promises';
 import * as path from 'path';
 import { Logger } from 'pino';
-import { promisify } from 'util';
 import fs = require('fs');
 import del = require('del');
 import { fileExists } from '@waha/utils/files';
 
-const writeFileAsync = promisify(fs.writeFile);
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const writeFileAtomic = require('write-file-atomic');
 
 /**
  * Save files locally using the filesystem
@@ -41,7 +41,7 @@ export class MediaLocalStorage implements IMediaStorage {
     const filepath = this.getFullPath(data);
     const folder = path.dirname(filepath);
     await fsp.mkdir(folder, { recursive: true });
-    await writeFileAsync(filepath, buffer);
+    await writeFileAtomic(filepath, buffer);
     this.postponeRemoval(filepath);
     return true;
   }

src/core/storage/LocalSessionConfigRepository.ts

@@ -7,6 +7,9 @@ import { SessionConfig } from '../../structures/sessions.dto';
 import { ISessionConfigRepository } from './ISessionConfigRepository';
 import { LocalStore } from './LocalStore';
 
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const writeFileAtomic = require('write-file-atomic');
+
 export class LocalSessionConfigRepository extends ISessionConfigRepository {
   FILENAME = '.waha.session.config.json';
   private store: LocalStore;
@@ -52,7 +55,7 @@ export class LocalSessionConfigRepository extends ISessionConfigRepository {
     // Save config
     const filepath = this.getFilePath(sessionName);
     const content = JSON.stringify(config || null);
-    await fs.writeFile(filepath, content);
+    await writeFileAtomic(filepath, content);
   }
 
   private getFilePath(sessionName): string {

src/core/storage/LocalStoreCore.ts

@@ -63,6 +63,7 @@ export class LocalStoreCore extends LocalStore {
       const engineDir = this.getEngineDirectory();
       const database = path.join(engineDir, 'waha.sqlite3');
       this.db = new Database(database);
+      this.db.pragma('journal_mode = WAL;');
     }
     return this.db;
   }

src/core/storage/sqlite3/Sqlite3KVRepository.ts

@@ -1,5 +1,7 @@
+import { PaginationParams } from '@waha/structures/pagination.dto';
+import { KnexPaginator } from '@waha/utils/Paginator';
 import { Database } from 'better-sqlite3';
-import Knex from 'knex';
+import Knex, { QueryBuilder } from 'knex';
 
 import { Field, Schema } from './Schema';
 
@@ -15,6 +17,8 @@ export class Sqlite3KVRepository<Entity> {
   private readonly columns: Field[];
   private knex: Knex.Knex;
 
+  protected Paginator = KnexPaginator;
+
   constructor(
     db: Database,
     schema: Schema,
@@ -29,8 +33,10 @@ export class Sqlite3KVRepository<Entity> {
     this.knex = Knex({ client: 'better-sqlite3', useNullAsDefault: true });
   }
 
-  getAll() {
-    return this.all(this.select());
+  getAll(pagination?: PaginationParams) {
+    let query = this.select();
+    query = this.pagination(query, pagination);
+    return this.all(query);
   }
 
   getAllByIds(ids: string[]) {
@@ -163,4 +169,9 @@ export class Sqlite3KVRepository<Entity> {
   protected parse(row: any) {
     return JSON.parse(row.data);
   }
+
+  protected pagination(query: any, pagination?: PaginationParams) {
+    const paginator = new this.Paginator(pagination);
+    return paginator.apply(query);
+  }
 }

src/core/webhooks.core.ts

@@ -1,196 +0,0 @@
-import { LoggerBuilder } from '@waha/utils/logging';
-import Agent from 'agentkeepalive';
-import axios from 'axios';
-import { AxiosInstance } from 'axios';
-import { Logger } from 'pino';
-
-import { WAHAEvents } from '../structures/enums.dto';
-import { WebhookConfig } from '../structures/webhooks.config.dto';
-import { WAHAWebhook } from '../structures/webhooks.dto';
-import { VERSION } from '../version';
-import { WAHAInternalEvent, WhatsappSession } from './abc/session.abc';
-import { WebhookConductor, WebhookSender } from './abc/webhooks.abc';
-
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const HttpAgent = require('agentkeepalive');
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const HttpsAgent = require('agentkeepalive').HttpsAgent;
-
-export class WebhookSenderCore extends WebhookSender {
-  protected static AGENTS = {
-    http: new HttpAgent({}),
-    https: new HttpsAgent({}),
-  };
-
-  protected axios: AxiosInstance;
-
-  constructor(loggerBuilder: LoggerBuilder, webhookConfig: WebhookConfig) {
-    super(loggerBuilder, webhookConfig);
-    this.axios = this.buildAxiosInstance();
-  }
-
-  protected buildAxiosInstance() {
-    const headers = {
-      'content-type': 'application/json',
-      'User-Agent': `WAHA/${VERSION.version}`,
-    };
-    return axios.create({
-      headers: headers,
-      httpAgent: WebhookSenderCore.AGENTS.http,
-      httpsAgent: WebhookSenderCore.AGENTS.https,
-    });
-  }
-
-  send(json: any, headers?: Record<string, string>) {
-    this.logger.info(
-      { id: headers['X-Webhook-Request-Id'], url: this.url },
-      `Sending POST...`,
-    );
-    this.logger.debug(
-      { id: headers['X-Webhook-Request-Id'], data: json },
-      `POST DATA`,
-    );
-
-    this.axios
-      .post(this.url, json, { headers: headers })
-      .then((response) => {
-        this.logger.info(
-          { id: headers['X-Webhook-Request-Id'] },
-          `POST request was sent with status code: ${response.status}`,
-        );
-        this.logger.debug(
-          { id: headers['X-Webhook-Request-Id'], body: response.data },
-          `Response`,
-        );
-      })
-      .catch((error) => {
-        this.logger.error(
-          {
-            id: headers['X-Webhook-Request-Id'],
-            error: error.message,
-            data: error.response?.data,
-          },
-          `POST request failed: ${error.message}`,
-        );
-      });
-  }
-}
-
-export class WebhookConductorCore implements WebhookConductor {
-  private logger: Logger;
-
-  constructor(protected loggerBuilder: LoggerBuilder) {
-    this.logger = loggerBuilder.child({ name: WebhookConductor.name });
-  }
-
-  protected buildSender(webhookConfig: WebhookConfig): WebhookSender {
-    return new WebhookSenderCore(this.loggerBuilder, webhookConfig);
-  }
-
-  private getSuitableEvents(events: WAHAEvents[] | string[]): WAHAEvents[] {
-    const allEvents = Object.values(WAHAEvents);
-
-    // Enable all events if * in the events
-    // @ts-ignore
-    if (events.includes('*')) {
-      return allEvents;
-    }
-
-    // Get only known events, log and ignore others
-    const rightEvents = [];
-    for (const event of events) {
-      // @ts-ignore
-      if (!allEvents.includes(event)) {
-        this.logger.error(`Unknown event for webhook: '${event}'`);
-        continue;
-      }
-      rightEvents.push(event);
-    }
-    return rightEvents;
-  }
-
-  public configure(session: WhatsappSession, webhooks: WebhookConfig[]) {
-    for (const webhookConfig of webhooks) {
-      this.configureSingleWebhook(session, webhookConfig);
-    }
-  }
-
-  private configureSingleWebhook(
-    session: WhatsappSession,
-    webhook: WebhookConfig,
-  ) {
-    if (!webhook || !webhook.url || webhook.events.length === 0) {
-      return;
-    }
-
-    const url = webhook.url;
-    this.logger.info(`Configuring webhooks for ${url}...`);
-    const events = this.getSuitableEvents(webhook.events);
-    const sender = this.buildSender(webhook);
-    for (const event of events) {
-      const found = this.configureSingleEvent(
-        session.subscribeSessionEvent,
-        session,
-        event,
-        sender,
-        url,
-      );
-
-      if (!found) {
-        // Postpone for ENGINE_START event and configure engine events
-        session.events.on(WAHAInternalEvent.ENGINE_START, () => {
-          const found = this.configureSingleEvent(
-            session.subscribeEngineEvent,
-            session,
-            event,
-            sender,
-            url,
-          );
-          if (!found) {
-            this.logger.error(
-              `Engine does not support webhook event: '${event}' for url '${url}'`,
-            );
-          }
-        });
-      }
-    }
-    this.logger.info(`Webhooks were configured for ${url}.`);
-  }
-
-  private configureSingleEvent(
-    subscribeMethod,
-    session: WhatsappSession,
-    event: WAHAEvents,
-    sender: WebhookSender,
-    url: string,
-  ) {
-    const found = subscribeMethod.apply(session, [
-      event,
-      (data: any) => this.callWebhook(event, session, data, sender),
-    ]);
-    if (!found) {
-      return false;
-    }
-    this.logger.debug(`Event '${event}' is enabled for url: ${url}`);
-    return true;
-  }
-
-  public async callWebhook(
-    event,
-    session: WhatsappSession,
-    data: any,
-    sender: WebhookSender,
-  ) {
-    const me = session.getSessionMeInfo();
-    const json: WAHAWebhook = {
-      event: event,
-      session: session.name,
-      metadata: session.sessionConfig?.metadata,
-      me: me,
-      payload: data,
-      engine: session.engine,
-      environment: VERSION,
-    };
-    sender.send(json);
-  }
-}

src/main.ts

@@ -67,6 +67,7 @@ async function bootstrap() {
     logger: getNestJSLogLevels(),
     httpsOptions: httpsOptions,
     bufferLogs: true,
+    forceCloseConnections: true,
   });
   app.useLogger(app.get(NestJSPinoLogger));
 

src/nestjs/ws/WebsocketHeartbeatJob.ts

@@ -26,7 +26,7 @@ export class WebsocketHeartbeatJob {
         }
 
         client.isAlive = false;
-        this.logger.debug(`Sending heartbeat (ping) to ${client.id}`);
+        this.logger.verbose(`Sending heartbeat (ping) to ${client.id}`);
         client.ping();
       });
     }, this.intervalTime);
@@ -40,7 +40,7 @@ export class WebsocketHeartbeatJob {
   private onPong(ws: WebSocket) {
     return (event: any) => {
       ws.isAlive = true;
-      this.logger.debug(`Heartbeat (pong) received from ${ws.id}`);
+      this.logger.verbose(`Heartbeat (pong) received from ${ws.id}`);
     };
   }
 }

src/structures/base.dto.ts

@@ -1,4 +1,4 @@
-import { IsNotEmpty } from 'class-validator';
+import { IsNotEmpty, IsString } from 'class-validator';
 
 export const WHATSAPP_DEFAULT_SESSION_NAME = 'default';
 
@@ -7,6 +7,7 @@ export const WHATSAPP_DEFAULT_SESSION_NAME = 'default';
  */
 export class SessionQuery {
   @IsNotEmpty()
+  @IsString()
   session: string = WHATSAPP_DEFAULT_SESSION_NAME;
 }
 

src/structures/chats.dto.ts

@@ -1,35 +1,143 @@
 import { ApiProperty } from '@nestjs/swagger';
+import { BooleanString } from '@waha/nestjs/validation/BooleanString';
+import {
+  LimitOffsetParams,
+  PaginationParams,
+} from '@waha/structures/pagination.dto';
 import { ChatIdProperty } from '@waha/structures/properties.dto';
-import { Type } from 'class-transformer';
-import { IsNumber, IsOptional } from 'class-validator';
-
-import { SessionQuery } from './base.dto';
+import { Transform, Type } from 'class-transformer';
+import { IsBoolean, IsEnum, IsNumber, IsOptional } from 'class-validator';
 
 /**
  * Queries
  */
 
-export class GetChatMessagesQuery extends SessionQuery {
-  limit: number = 100;
-
+export class GetChatMessagesFilter {
   @ApiProperty({
-    example: true,
     required: false,
-    description: 'Download media for messages',
+    description: 'Filter messages before this timestamp (inclusive)',
   })
-  downloadMedia: boolean = true;
-}
-
-export class GetChatsQuery {
   @IsNumber()
   @IsOptional()
   @Type(() => Number)
-  limit?: number;
+  'filter.timestamp.lte'?: number;
+
+  @ApiProperty({
+    required: false,
+    description: 'Filter messages after this timestamp (inclusive)',
+  })
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  'filter.timestamp.gte'?: number;
+
+  @ApiProperty({
+    required: false,
+    description: 'From me filter (by default shows all messages)',
+  })
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
+  'filter.fromMe'?: boolean;
+}
+
+export class ChatPictureQuery {
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
+  @ApiProperty({
+    example: false,
+    required: false,
+    description:
+      'Refresh the picture from the server (24h cache by default). Do not refresh if not needed, you can get rate limit error',
+  })
+  refresh?: boolean = false;
+}
+
+export class ChatPictureResponse {
+  url: string;
+}
+
+export class GetChatMessagesQuery {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  limit: number = 100;
 
   @IsNumber()
   @IsOptional()
   @Type(() => Number)
   offset?: number;
+
+  @ApiProperty({
+    example: false,
+    required: false,
+    description: 'Download media for messages',
+  })
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
+  downloadMedia: boolean = true;
+}
+
+export class GetChatMessageQuery {
+  @ApiProperty({
+    example: true,
+    required: false,
+    description: 'Download media for messages',
+  })
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
+  downloadMedia: boolean = true;
+}
+
+export enum ChatSortField {
+  CONVERSATION_TIMESTAMP = 'conversationTimestamp',
+  ID = 'id',
+  NAME = 'name',
+}
+
+export class ChatsPaginationParams extends PaginationParams {
+  @ApiProperty({
+    description: 'Sort by field',
+    enum: ChatSortField,
+  })
+  @IsOptional()
+  @IsEnum(ChatSortField)
+  sortBy?: string;
+}
+
+export enum PinDuration {
+  DAY = 86400,
+  WEEK = 604800,
+  MONTH = 2592000,
+}
+
+export class PinMessageRequest {
+  @IsNumber()
+  @IsEnum(PinDuration)
+  @ApiProperty({
+    description:
+      'Duration in seconds. 24 hours (86400), 7 days (604800), 30 days (2592000)',
+    example: 86400,
+  })
+  duration: number;
+}
+
+export class OverviewPaginationParams extends LimitOffsetParams {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  limit?: number = 20;
+}
+
+export class ChatSummary {
+  id: string;
+  name: string | null;
+  picture: string | null;
+  lastMessage: any;
+  _chat: any;
 }
 
 /**

src/structures/chatting.dto.ts

@@ -4,9 +4,14 @@ import {
   ApiProperty,
   getSchemaPath,
 } from '@nestjs/swagger';
-import { IsNumber, IsString } from 'class-validator';
+import { GetChatMessagesQuery } from '@waha/structures/chats.dto';
+import { IsNotEmpty, IsNumber, IsString } from 'class-validator';
 
-import { SessionBaseRequest, SessionQuery } from './base.dto';
+import {
+  SessionBaseRequest,
+  SessionQuery,
+  WHATSAPP_DEFAULT_SESSION_NAME,
+} from './base.dto';
 import {
   BinaryFile,
   RemoteFile,
@@ -42,16 +47,14 @@ export class ChatQuery extends SessionQuery {
   chatId: string;
 }
 
-export class GetMessageQuery extends ChatQuery {
-  @IsNumber()
-  limit: number;
+export class GetMessageQuery extends GetChatMessagesQuery {
+  @IsNotEmpty()
+  @IsString()
+  session: string = WHATSAPP_DEFAULT_SESSION_NAME;
 
-  @ApiProperty({
-    example: true,
-    required: false,
-    description: 'Download media for messages',
-  })
-  downloadMedia: true;
+  @ChatIdProperty()
+  @IsString()
+  chatId: string;
 }
 
 export class GetPresenceQuery extends ChatQuery {}
@@ -153,6 +156,8 @@ export class MessageTextRequest extends ChatRequest {
 
   @ReplyToProperty()
   reply_to?: string;
+
+  linkPreview?: boolean = true;
 }
 
 export class EditMessageRequest {

src/structures/contacts.dto.ts

@@ -1,5 +1,9 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { BooleanString } from '@waha/nestjs/validation/BooleanString';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 import { ChatIdProperty } from '@waha/structures/properties.dto';
-import { IsString } from 'class-validator';
+import { Transform } from 'class-transformer';
+import { IsBoolean, IsEnum, IsOptional, IsString } from 'class-validator';
 
 import { SessionBaseRequest, SessionQuery } from './base.dto';
 
@@ -13,6 +17,34 @@ export class ContactQuery extends SessionQuery {
   contactId: string;
 }
 
+export class ContactProfilePictureQuery extends ContactQuery {
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
+  @ApiProperty({
+    example: false,
+    required: false,
+    description:
+      'Refresh the picture from the server (24h cache by default). Do not refresh if not needed, you can get rate limit error',
+  })
+  refresh?: boolean = false;
+}
+
+enum ContactSortField {
+  ID = 'id',
+  NAME = 'name',
+}
+
+export class ContactsPaginationParams extends PaginationParams {
+  @ApiProperty({
+    description: 'Sort by field',
+    enum: ContactSortField,
+  })
+  @IsOptional()
+  @IsEnum(ContactSortField)
+  sortBy?: string;
+}
+
 /**
  * Requests
  */

src/structures/enums.dto.ts

@@ -22,8 +22,14 @@ export enum WAHAEvents {
   LABEL_DELETED = 'label.deleted',
   LABEL_CHAT_ADDED = 'label.chat.added',
   LABEL_CHAT_DELETED = 'label.chat.deleted',
+  ENGINE_EVENT = 'engine.event',
 }
 
+// All but no state.change, it's internal one
+export const WAHAEventsWild = Object.values(WAHAEvents).filter(
+  (e) => e !== WAHAEvents.STATE_CHANGE && e !== WAHAEvents.ENGINE_EVENT,
+);
+
 export enum WAHASessionStatus {
   STOPPED = 'STOPPED',
   STARTING = 'STARTING',
@@ -35,6 +41,7 @@ export enum WAHASessionStatus {
 export enum WAHAEngine {
   WEBJS = 'WEBJS',
   NOWEB = 'NOWEB',
+  GOWS = 'GOWS',
 }
 
 export enum WAHAPresenceStatus {
@@ -53,4 +60,5 @@ export enum WAMessageAck {
   READ = 3,
   PLAYED = 4,
 }
+
 export const ACK_UNKNOWN = 'UNKNOWN';

src/structures/groups.dto.ts

@@ -1,5 +1,15 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { IsArray, IsString } from 'class-validator';
+import { BooleanString } from '@waha/nestjs/validation/BooleanString';
+import { Transform } from 'class-transformer';
+import {
+  IsArray,
+  IsBoolean,
+  IsEnum,
+  IsOptional,
+  IsString,
+} from 'class-validator';
+
+import { PaginationParams } from './pagination.dto';
 
 /**
  * Structures
@@ -46,3 +56,35 @@ export class CreateGroupRequest {
   @IsArray()
   participants: Array<Participant>;
 }
+
+export class JoinGroupRequest {
+  @ApiProperty({
+    description: 'Group code (123) or url (https://chat.whatsapp.com/123)',
+    example: 'https://chat.whatsapp.com/1234567890abcdef',
+  })
+  @IsString()
+  code: string;
+}
+
+export class JoinGroupResponse {
+  @ApiProperty({
+    description: 'Group ID',
+    example: '123@g.us',
+  })
+  id: string;
+}
+
+export enum GroupSortField {
+  ID = 'id',
+  SUBJECT = 'subject',
+}
+
+export class GroupsPaginationParams extends PaginationParams {
+  @ApiProperty({
+    description: 'Sort by field',
+    enum: GroupSortField,
+  })
+  @IsOptional()
+  @IsEnum(GroupSortField)
+  sortBy?: string;
+}

src/structures/labels.dto.ts

@@ -1,5 +1,7 @@
+import { UnprocessableEntityException } from '@nestjs/common';
 import { ApiProperty } from '@nestjs/swagger';
 import { ChatIdProperty } from '@waha/structures/properties.dto';
+import { IsHexColor, IsNumber, IsOptional, IsString } from 'class-validator';
 
 const Colors = [
   '#ff9485',
@@ -24,6 +26,65 @@ const Colors = [
   '#9368cf',
 ];
 
+export class LabelBody {
+  @ApiProperty({
+    example: 'Lead',
+    description: 'Label name',
+  })
+  @IsString()
+  name: string;
+
+  @ApiProperty({
+    example: '#ff9485',
+    description: 'Color in hex',
+  })
+  @IsHexColor()
+  @IsOptional()
+  colorHex?: string;
+
+  @ApiProperty({
+    example: null,
+    description: 'Color number, not hex',
+  })
+  @IsNumber()
+  @IsOptional()
+  color?: number;
+
+  toDTO(): LabelDTO {
+    if (this.color != null && this.colorHex != null) {
+      throw new UnprocessableEntityException(
+        "Use either 'color' or 'colorHex'",
+      );
+    }
+
+    if (this.color == null && this.colorHex == null) {
+      throw new UnprocessableEntityException(
+        "'color' or 'colorHex' is required",
+      );
+    }
+
+    if (this.colorHex) {
+      const color = Colors.indexOf(this.colorHex);
+      if (color == -1) {
+        throw new UnprocessableEntityException(
+          "Invalid 'colorHex'. Possible values: " + Colors.join(', '),
+        );
+      }
+      this.color = color;
+    }
+
+    return {
+      name: this.name,
+      color: this.color,
+    };
+  }
+}
+
+export class LabelDTO {
+  name: string;
+  color: number;
+}
+
 export class Label {
   @ApiProperty({
     example: '1',
@@ -39,7 +100,7 @@ export class Label {
 
   @ApiProperty({
     example: 0,
-    description: 'Internal color number, not hex',
+    description: 'Color number, not hex',
   })
   color: number;
 

src/structures/pagination.dto.ts

@@ -0,0 +1,34 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Type } from 'class-transformer';
+import { IsNumber, IsOptional, ValidateIf } from 'class-validator';
+
+export enum SortOrder {
+  DESC = 'desc',
+  ASC = 'asc',
+}
+export class LimitOffsetParams {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  limit?: number;
+
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  offset?: number;
+}
+
+export class PaginationParams extends LimitOffsetParams {
+  @ApiProperty({
+    description: 'Sort by field',
+  })
+  @IsOptional()
+  sortBy?: string;
+
+  @ApiProperty({
+    description:
+      'Sort order - <b>desc</b>ending (Z => A, New first) or <b>asc</b>ending (A => Z, Old first)',
+  })
+  @IsOptional()
+  sortOrder?: SortOrder;
+}

src/structures/status.dto.ts

@@ -11,23 +11,27 @@ import {
 
 export const BROADCAST_ID = 'status@broadcast';
 
-class StatusRequest {
-  @ApiProperty({
-    description:
-      'it is always necessary to inform the list of contacts that will have access to the posted status',
-    example: ['55xxxxxxxxxxx@c.us'],
-  })
-  contacts = ['55xxxxxxxxxxx@c.us'];
+const ContactsProperty = ApiProperty({
+  description: 'Contact list to send the status to.',
+  example: null,
+  required: false,
+});
+
+export interface StatusRequest {
+  contacts?: string[];
 }
 
-export class TextStatus extends StatusRequest {
+export class TextStatus {
   text: string = 'Have a look! https://github.com/';
   backgroundColor: string = '#38b42f';
   font: number = 1;
+
+  @ContactsProperty
+  contacts?: string[];
 }
 
 @ApiExtraModels(RemoteFile, BinaryFile)
-export class ImageStatus extends StatusRequest {
+export class ImageStatus {
   @ApiProperty({
     oneOf: [
       { $ref: getSchemaPath(RemoteFile) },
@@ -37,10 +41,13 @@ export class ImageStatus extends StatusRequest {
   file: RemoteFile | BinaryFile;
 
   caption?: string;
+
+  @ContactsProperty
+  contacts?: string[];
 }
 
 @ApiExtraModels(VoiceRemoteFile, VoiceBinaryFile)
-export class VoiceStatus extends StatusRequest {
+export class VoiceStatus {
   @ApiProperty({
     oneOf: [
       { $ref: getSchemaPath(VoiceRemoteFile) },
@@ -50,10 +57,13 @@ export class VoiceStatus extends StatusRequest {
   file: VoiceRemoteFile | VoiceBinaryFile;
 
   backgroundColor: string = '#38b42f';
+
+  @ContactsProperty
+  contacts?: string[];
 }
 
 @ApiExtraModels(VideoRemoteFile, VideoBinaryFile)
-export class VideoStatus extends StatusRequest {
+export class VideoStatus {
   @ApiProperty({
     oneOf: [
       { $ref: getSchemaPath(VideoRemoteFile) },
@@ -63,12 +73,18 @@ export class VideoStatus extends StatusRequest {
   file: VideoRemoteFile | VideoBinaryFile;
 
   caption?: string;
+
+  @ContactsProperty
+  contacts?: string[];
 }
 
-export class DeleteStatusRequest extends StatusRequest {
+export class DeleteStatusRequest {
   @ApiProperty({
     description: 'status message id',
     example: 'AAAAAAAAAAAAAAAAA',
   })
   id: string;
+
+  @ContactsProperty
+  contacts?: string[];
 }

src/structures/webhooks.dto.ts

@@ -32,6 +32,8 @@ export class WAMessageAckBody {
   fromMe: boolean;
   ack: WAMessageAck;
   ackName: string;
+
+  _data?: any;
 }
 
 export class WAGroupPayload {
@@ -101,6 +103,11 @@ export class WASessionStatusBody {
 }
 
 export class WAHAWebhook {
+  @ApiProperty({
+    example: 'evt_01jcn4pjwwg47bwy2gsey6q5sx',
+  })
+  id: string;
+
   @ApiProperty({
     example: 'default',
   })
@@ -320,6 +327,20 @@ class WAHAWebhookLabelChatDeleted extends WAHAWebhook {
   payload: LabelChatAssociation;
 }
 
+export class EnginePayload {
+  event: string;
+  data: any;
+}
+
+class WAHAWebhookEngineEvent extends WAHAWebhook {
+  @ApiProperty({
+    description: 'Internal engine event.',
+  })
+  event = WAHAEvents.ENGINE_EVENT;
+
+  payload: EnginePayload;
+}
+
 const WAHA_WEBHOOKS = [
   WAHAWebhookSessionStatus,
   WAHAWebhookMessage,
@@ -341,5 +362,6 @@ const WAHA_WEBHOOKS = [
   WAHAWebhookLabelDeleted,
   WAHAWebhookLabelChatAdded,
   WAHAWebhookLabelChatDeleted,
+  WAHAWebhookEngineEvent,
 ];
 export { WAHA_WEBHOOKS };

src/utils/DefaultMap.ts

@@ -0,0 +1,15 @@
+export class DefaultMap<K, T> extends Map<K, T> {
+  private readonly factory: (key: K) => T;
+
+  constructor(factory: (key: K) => T) {
+    super();
+    this.factory = factory;
+  }
+
+  get(key: K): T {
+    if (!this.has(key)) {
+      this.set(key, this.factory(key));
+    }
+    return super.get(key);
+  }
+}

src/utils/Paginator.ts

@@ -0,0 +1,93 @@
+import { PaginationParams } from '@waha/structures/pagination.dto';
+import * as lodash from 'lodash';
+
+export abstract class Paginator {
+  constructor(protected readonly pagination: PaginationParams) {}
+
+  apply<T>(data: T): T {
+    if (lodash.isEmpty(this.pagination)) {
+      return data;
+    }
+    return this.limit(this.sort(data));
+  }
+
+  protected abstract sort(data: any);
+
+  protected abstract limit(data: any);
+}
+
+export class PaginatorInMemory extends Paginator {
+  protected sort(data: any[]) {
+    if (!this.pagination?.sortBy) {
+      return data;
+    }
+    return lodash.orderBy(
+      data,
+      this.pagination.sortBy,
+      this.pagination.sortOrder || 'asc',
+    );
+  }
+
+  protected limit(data: any[]) {
+    if (!this.pagination?.limit) {
+      return data;
+    }
+    const offset = this.pagination.offset || 0;
+    const limit = this.pagination.limit || Infinity;
+    return data.slice(offset, offset + limit);
+  }
+}
+
+export class KnexPaginator extends Paginator {
+  indexes: string[] = [];
+  dataField: string = 'data';
+
+  protected sort(query: any) {
+    if (!this.pagination?.sortBy) {
+      return query;
+    }
+    const sortBy = this.pagination.sortBy;
+    const direction = this.pagination.sortOrder || 'asc';
+    if (this.indexes.includes(sortBy)) {
+      return query.orderBy(sortBy, direction);
+    }
+    // Use data->"$.{field}"
+    // Make sure to sanitize sortBy to prevent SQL injection
+    // sqlite3 doesn't support binding for column names and direction
+    return query.orderByRaw(`${this.dataField}->'$.${sortBy}' ${direction}`);
+  }
+
+  protected limit(query: any) {
+    const limit = this.pagination.limit;
+    const offset = this.pagination.offset;
+    if (limit != null) {
+      query = query.limit(limit);
+    }
+    if (offset != null) {
+      query = query.offset(offset);
+    }
+    return query;
+  }
+}
+
+export class MongoPaginator extends Paginator {
+  protected sort(query: any) {
+    if (!this.pagination?.sortBy) {
+      return query;
+    }
+    const mongoDirection = this.pagination.sortOrder === 'asc' ? 1 : -1;
+    return query.sort({ [this.pagination.sortBy]: mongoDirection });
+  }
+
+  protected limit(query: any) {
+    const limit = this.pagination.limit;
+    const offset = this.pagination.offset;
+    if (limit != null) {
+      query = query.limit(limit);
+    }
+    if (offset != null) {
+      query = query.skip(offset);
+    }
+    return query;
+  }
+}

src/utils/events.ts

@@ -0,0 +1,31 @@
+/**
+ * Unmask "*" in events list to exact values
+ * Remove duplicates if any
+ */
+export class EventWildUnmask {
+  constructor(
+    private readonly events: string[] | any,
+    private readonly all: string[] | any | null = null,
+  ) {
+    // in case of enum - convert to array
+    this.events = Object.values(events);
+    this.all = all ? Object.values(all) : this.events;
+  }
+
+  unmask(events: string[]) {
+    const rightEvents = [];
+    if (events.includes('*')) {
+      rightEvents.push(...this.all);
+    }
+
+    // Get only known events, log and ignore others
+    for (const event of events) {
+      if (!this.events.includes(event)) {
+        continue;
+      }
+      rightEvents.push(event);
+    }
+    // return unique values
+    return [...new Set(rightEvents)];
+  }
+}

src/utils/ids.ts

@@ -1,10 +1,9 @@
-import { v4 as uuid4 } from 'uuid';
+import { ulid } from 'ulid';
 
 /**
  * Generate prefix uuid (but remove -)
  * @param prefix
  */
 export function generatePrefixedId(prefix: string) {
-  const id = uuid4().replace(/-/g, '');
-  return `${prefix}_${id}`;
+  return `${prefix}_${ulid().toLowerCase()}`;
 }

src/utils/logging.ts

@@ -25,10 +25,14 @@ function getNestJSLogLevels(): LogLevel[] {
 
 export function getPinoLogLevel(debug: boolean = false): Level {
   const enableDebug = process.env.DEBUG != undefined || debug;
+  const level = getDefaultPinoLogLevel();
+  if (level === 'trace') {
+    return 'trace';
+  }
   if (enableDebug) {
     return 'debug';
   }
-  return getDefaultPinoLogLevel();
+  return level;
 }
 
 export function isDebugEnabled() {

src/utils/reactive/SwitchObservable.ts

@@ -0,0 +1,34 @@
+import { BehaviorSubject, EMPTY, Observable, share, switchMap } from 'rxjs';
+
+const noop = (x: any) => x;
+
+/**
+ * Observable that can easily be switched to new observable
+ * So you can change "source" of the observable,
+ * but clients will use the same observable (but consume NEW data from NEW source)
+ */
+export class SwitchObservable<T> extends Observable<T> {
+  private subject$: BehaviorSubject<Observable<T>>;
+
+  /**
+   * fn - Modify inner observable
+   *
+   */
+  constructor(fn: (source: Observable<T>) => Observable<T> = noop) {
+    const subject$ = new BehaviorSubject<Observable<any>>(EMPTY);
+    let observable$ = subject$.pipe(switchMap((stream$) => stream$));
+    observable$ = fn(observable$);
+
+    super((subscriber) => observable$.subscribe(subscriber));
+    this.subject$ = subject$;
+  }
+
+  switch(newObservable$: Observable<T>) {
+    this.subject$.next(newObservable$);
+  }
+
+  complete() {
+    this.switch(EMPTY);
+    this.subject$.complete();
+  }
+}

src/utils/reactive/complete.ts

@@ -0,0 +1,19 @@
+import { Subject } from 'rxjs';
+
+interface WithValues<T> {
+  values(): IterableIterator<T>;
+}
+
+interface Completable {
+  complete(): void;
+}
+
+/**
+ * Go over collection and complete each item
+ * @param collection
+ */
+export function complete(collection: WithValues<Completable>) {
+  for (const item of collection.values()) {
+    item.complete();
+  }
+}

src/utils/reactive/ops/exclude.ts

@@ -0,0 +1,8 @@
+import { filter } from 'rxjs';
+
+/**
+ * Just as filter, but opposite
+ */
+export function exclude<T>(predicate: (...args) => boolean) {
+  return filter((...args) => !predicate(...args));
+}

src/utils/reactive/ops/onlyEvent.ts

@@ -0,0 +1,14 @@
+import { filter, pipe } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+interface EventValue<T> {
+  event: string;
+  data: T;
+}
+
+export function onlyEvent<T>(event: any) {
+  return pipe(
+    filter<EventValue<T>>((obj) => obj.event === event),
+    map((event) => event.data),
+  );
+}

src/version.ts

@@ -33,7 +33,7 @@ export function getEngineName(): string {
 }
 
 export const VERSION: WAHAEnvironment = {
-  version: '2024.10.6',
+  version: '2025.1.3',
   engine: getEngineName(),
   tier: getWAHAVersion(),
   browser: getBrowserExecutablePath(),