[core] 2024.12.4

fix #688

.dockerignore

@@ -1,5 +1,6 @@
 Dockerfile
 .*sessions
+sessions
 files
 venv
 .wwebjs_auth

.env.example

@@ -0,0 +1,176 @@
+# WAHA Configuration
+# https://waha.devlike.pro/docs/how-to/config/
+#
+# Common
+#
+# If you know the right URL, you can use it here.
+# Use any port in WHATSAPP_API_PORT and domain in WHATSAPP_API_HOSTNAME
+# https://waha.devlike.pro/docs/how-to/config/#common
+#WHATSAPP_API_SCHEMA=http
+#WHATSAPP_API_PORT=3000
+#WHATSAPP_API_HOSTNAME=localhost
+#WAHA_BASE_URL=http://localhost:3000
+#
+# Set your timezone to see the right time on screenshots
+# Find your timezone name in the list
+# https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+#TZ=Europe/Dublin
+
+#
+# Security
+#
+# https://waha.devlike.pro/docs/how-to/security/
+#
+WHATSAPP_API_KEY=321
+WAHA_DASHBOARD_USERNAME=waha
+WAHA_DASHBOARD_PASSWORD=waha
+#WHATSAPP_SWAGGER_USERNAME=admin
+#WHATSAPP_SWAGGER_PASSWORD=admin
+
+#
+# Dashboard
+#
+# https://waha.devlike.pro/docs/how-to/waha-dashboard/#configuration
+# Enabled by default
+#WAHA_DASHBOARD_ENABLED=true
+#WAHA_DASHBOARD_USERNAME=waha
+#WAHA_DASHBOARD_PASSWORD=waha
+
+#
+# Logging
+# https://waha.devlike.pro/docs/how-to/observability/#logging
+#
+# Set log format to JSON if you consume logs with log management systems
+WAHA_LOG_FORMAT=JSON
+WAHA_LOG_LEVEL=info
+# WAHA_LOG_FORMAT=PRETTY
+# If you want to see more logs, you can set the log level to debug
+#WAHA_LOG_LEVEL=debug
+# DEBUG=1 # shortcut for setting log level to debug
+
+#
+# Engine
+# https://waha.devlike.pro/docs/how-to/engines/
+#
+# Choose the right engine for your needs (WEBJS by default)
+WHATSAPP_DEFAULT_ENGINE=WEBJS
+# Use NOWEB engine for the fastest performance
+#WHATSAPP_DEFAULT_ENGINE=NOWEB
+
+# Worker
+# WAHA_WORKER_ID=waha1
+
+#
+# Sessions
+# https://waha.devlike.pro/docs/how-to/config/#sessions
+#
+# Do not print QR codes in logs
+WAHA_PRINT_QR=False
+#
+# OR you can specify sessions by name, if you have handful amount of sessions
+#WHATSAPP_START_SESSION=session1,session2
+#
+# Restart all sessions when container starts
+# !!! Do not use it with multiple workers against one database !!!
+# WHATSAPP_RESTART_ALL_SESSIONS=True
+
+#
+# Swagger
+# https://waha.devlike.pro/docs/how-to/swagger/
+#
+WHATSAPP_SWAGGER_USERNAME=admin
+WHATSAPP_SWAGGER_PASSWORD=admin
+# Disable Swagger
+#WHATSAPP_SWAGGER_ENABLED=false
+# Enable advanced Swagger configuration
+#WHATSAPP_SWAGGER_CONFIG_ADVANCED=true
+#
+# Swagger White Label customization
+# https://waha.devlike.pro/docs/how-to/swagger/#white-label
+#WHATSAPP_SWAGGER_TITLE=WAHA API
+#
+
+#
+# Global Proxy Settings
+# https://waha.devlike.pro/docs/how-to/config/#global-proxy-configuration
+#
+# You can also set proxy settings for each session later when starting it
+# https://waha.devlike.pro/docs/how-to/sessions/#configure-proxy
+#WHATSAPP_PROXY_SERVER=proxy.example.com:3128
+#WHATSAPP_PROXY_SERVER_USERNAME=user
+#WHATSAPP_PROXY_SERVER_PASSWORD=pass
+#
+
+#
+# HTTPS Configuration
+# https://waha.devlike.pro/docs/how-to/config/#https
+#
+# Consider using certbot for HTTPS
+# https://waha.devlike.pro/blog/setting-up-https-for-waha/#lets-encrypt-certbot--waha
+#
+#WAHA_HTTPS_ENABLED=true
+#WAHA_HTTPS_PATH_KEY=/etc/letsencrypt/live/waha.example.pro/privkey.pem
+#WAHA_HTTPS_PATH_CERT=/etc/letsencrypt/live/waha.example.pro/cert.pem \
+#WAHA_HTTPS_PATH_CA=/etc/letsencrypt/live/waha.example.pro/chain.pem
+#WHATSAPP_API_SCHEMA=https
+#WHATSAPP_API_PORT=3000
+#WHATSAPP_API_HOSTNAME=waha.example.pro
+#
+
+#
+# Media Configuration
+#
+# https://waha.devlike.pro/docs/how-to/config/#files
+#
+# Disable media (images, videos, files) download for incoming messages
+#WHATSAPP_DOWNLOAD_MEDIA=false
+#
+# Download only specific media types
+#WHATSAPP_FILES_MIMETYPES=image/jpeg,image/png
+#
+
+# Media - Local Storage
+# https://waha.devlike.pro/docs/how-to/storages/#media---local
+#
+# Set to 0 to keep media files forever
+# https://waha.devlike.pro/docs/how-to/storages/#save-media-files-between-the-container-restarts
+WAHA_MEDIA_STORAGE=LOCAL
+WHATSAPP_FILES_LIFETIME=0
+WHATSAPP_FILES_FOLDER=/app/.media
+# Keep media files for 180 seconds (3 minutes)
+#WHATSAPP_FILES_LIFETIME=180
+#
+
+# Media - S3 Storage
+# https://waha.devlike.pro/docs/how-to/storages/#media---s3
+#WAHA_MEDIA_STORAGE=S3
+#WAHA_S3_REGION=eu-west-2
+#WAHA_S3_BUCKET=waha
+#WAHA_S3_ACCESS_KEY_ID=minioadmin
+#WAHA_S3_SECRET_ACCESS_KEY=minioadmin
+#WAHA_S3_ENDPOINT=http://minio:9000 # Not required if you're using AWS S3
+#WAHA_S3_FORCE_PATH_STYLE=True # Required for Minio
+#WAHA_S3_PROXY_FILES=True # Required for docker-compose setup
+
+#
+# Global Webhooks
+#
+# https://waha.devlike.pro/docs/how-to/config/#webhooks
+# https://waha.devlike.pro/docs/how-to/webhooks/
+#WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
+#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://mongouser:mongopassword@mongodb:27017
+#

.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)
@@ -45,6 +50,7 @@ jobs:
             tag: 'noweb'
             platform: 'amd64'
             browser: 'none'
+            engine: 'NOWEB'
             goss: 'goss-linux-amd64'
 
           # No browser - ARM
@@ -52,6 +58,7 @@ jobs:
             tag: 'noweb-arm'
             platform: 'linux/arm64'
             browser: 'none'
+            engine: 'NOWEB'
             goss: 'goss-linux-arm'
 
     steps:
@@ -85,6 +92,7 @@ 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 +124,7 @@ 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

@@ -1,7 +1,9 @@
+.env
 *.heapsnapshot
 .yarn
 example.ts
 .*sessions
+sessions
 .secrets
 .minio
 .media
@@ -15,6 +17,7 @@ test.js
 .wwebjs_cache
 src/dashboard
 .eslintcache
+__pycache__
 
 # compiled output
 /dist

.pre-commit-config.yaml

@@ -72,4 +72,5 @@ repos:
               entrypoint.sh|
               .pre-commit-config.yaml|
               ^src/core/engines/webjs/session.webjs.core.ts|
+              ^src/core/engines/webjs/_lodash.js|
           )$

Dockerfile

@@ -26,7 +26,7 @@ RUN yarn build && find ./dist -name "*.d.ts" -delete
 FROM node:${NODE_VERSION} AS dashboard
 
 # Download WAHA Dashboard
-ENV WAHA_DASHBOARD_SHA 92dc0b84de69d8c126ecf6fc6bb469d8c7fa291f
+ENV WAHA_DASHBOARD_SHA 45db5b46a944f4320136f2409d8b970483c8bd9d
 RUN \
     wget https://github.com/devlikeapro/dashboard/archive/${WAHA_DASHBOARD_SHA}.zip \
     && unzip ${WAHA_DASHBOARD_SHA}.zip -d /tmp/dashboard \
@@ -44,19 +44,37 @@ 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/*
+# 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 +91,7 @@ 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_${CHROME_VERSION}_amd64.deb \
           && apt-get update \
@@ -82,6 +100,9 @@ RUN if [ "$USE_BROWSER" = "chrome" ]; then \
           && rm -rf /var/lib/apt/lists/*; \
     fi
 
+# Set the ENV for NOWEB docker image
+ENV WHATSAPP_DEFAULT_ENGINE=$WHATSAPP_DEFAULT_ENGINE
+
 # Attach sources, install packages
 WORKDIR /app
 COPY package.json ./

Makefile

@@ -5,7 +5,7 @@ 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-all: build build-chrome build-noweb
 
@@ -32,10 +32,10 @@ for-swagger:
 	WHATSAPP_SWAGGER_CONFIG_ADVANCED=true . ${NVM_DIR}/nvm.sh && nvm exec yarn start
 
 up-noweb:
-	. ${NVM_DIR}/nvm.sh && nvm exec yarn up @adiwajshing/baileys@github:devlikeapro/Baileys#fork-master-channels-2
+	. ${NVM_DIR}/nvm.sh && nvm exec yarn up @adiwajshing/baileys@github:devlikeapro/Baileys#fork-master-channels-678
 
 up-webjs:
-	. ${NVM_DIR}/nvm.sh && nvm exec yarn up whatsapp-web.js@github:devlikeapro/whatsapp-web.js#fork-webpack-exodus-channels
+	. ${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

docker-compose.yaml

@@ -1,246 +1,58 @@
-#
 # https://waha.devlike.pro/docs/how-to/install/
-# Here's we provide a simple example of how to install WAHA using Docker Compose.
-#
-# We're assuming you have Docker and Docker Compose installed.
-# If you don't have Docker Compose installed, you can follow the official guide:
-# https://docs.docker.com/compose/install/
-#
-
 services:
   waha:
-    # Always restart the container on failure
     restart: always
-
-    #
-    # Image
-    #
-    image: devlikeapro/waha-plus:latest # or devlikeapro/waha:latest if you're using WAHA Core
-    #
-    # We strongly recommend using the pinned version of WAHA
-    # https://waha.devlike.pro/docs/how-to/engines/#versions
-    # image: devlikeapro/waha-plus:latest-2024.7.6 # 'latest' is not mistaken here
-    #
-    # Multiple images are available
     # https://waha.devlike.pro/docs/how-to/engines/#docker-images
-    # image: devlikeapro/waha-plus:chrome
-    #
+    # https://portal.devlike.pro/docker-image
+    image: devlikeapro/waha-plus
+    # WAHA Core
+    # image: devlikeapro/waha:latest
 
-    # The first port can be any free port you want
-    # The second port must be the same as WHATSAPP_API_PORT or 3000 by default
-    # Consider using the same port for simplicity
     ports:
-      - '3000:3000/tcp'
-      # NOTE: if you're using HTTP, you can use the following port mapping
-      #- '80:3000/tcp'
-      # NOTE: if you're using HTTPS, you can use the following port mapping
-      #- '443:3000/tcp'
+      - '127.0.0.1:3000:3000/tcp'
 
     volumes:
       # Store sessions in the .sessions folder (comment it if you're using MongoDB)
-      # Doesn't work with WAHA Core
-      - './.sessions:/app/.sessions'
+      - './sessions:/app/.sessions'
 
+      # Save media files
       # https://waha.devlike.pro/docs/how-to/storages/#save-media-files-between-the-container-restarts
       - './.media:/app/.media'
 
-      # If you're using certbot for HTTPS, you can use the following volume mapping
-      # https://waha.devlike.pro/blog/setting-up-https-for-waha/#lets-encrypt-certbot--waha
-      # - '/etc/letsencrypt:/etc/letsencrypt'
-
-    # WAHA Configuration
-    # https://waha.devlike.pro/docs/how-to/config/
-    environment:
-      #
-      # Common
-      #
-      # If you know the right URL, you can use it here.
-      # Use any port in WHATSAPP_API_PORT and domain in WHATSAPP_API_HOSTNAME
-      # https://waha.devlike.pro/docs/how-to/config/#common
-      #- WHATSAPP_API_SCHEMA=http
-      #- WHATSAPP_API_PORT=3000
-      #- WHATSAPP_API_HOSTNAME=localhost
-      #
-      # Set your timezone to see the right time on screenshots
-      # Find your timezone name in the list
-      # https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
-      #- TZ=Europe/Dublin
-
-      #
-      # Security
-      #
-      # https://waha.devlike.pro/docs/how-to/security/
-      #
-      - WHATSAPP_API_KEY=321
-      - WAHA_DASHBOARD_USERNAME=waha
-      - WAHA_DASHBOARD_PASSWORD=waha
-      #- WHATSAPP_SWAGGER_USERNAME=admin
-      #- WHATSAPP_SWAGGER_PASSWORD=admin
-
-      #
-      # Dashboard
-      #
-      # https://waha.devlike.pro/docs/how-to/waha-dashboard/#configuration
-      # Enabled by default
-      #- WAHA_DASHBOARD_ENABLED=true
-      #- WAHA_DASHBOARD_USERNAME=waha
-      #- WAHA_DASHBOARD_PASSWORD=waha
-
-      #
-      # Logging
-      # https://waha.devlike.pro/docs/how-to/observability/#logging
-      #
-      # Set log format to JSON if you consume logs with log management systems
-      - WAHA_LOG_FORMAT=JSON
-      - WAHA_LOG_LEVEL=info
-      # - WAHA_LOG_FORMAT=PRETTY
-      # If you want to see more logs, you can set the log level to debug
-      #- WAHA_LOG_LEVEL=debug
-      # DEBUG=1 # shortcut for setting log level to debug
-
-      #
-      # Engine
-      #
-      # Choose the right engine for your needs (WEBJS by default)
-      # https://waha.devlike.pro/docs/how-to/engines/
-      - WHATSAPP_DEFAULT_ENGINE=WEBJS
-      # Use NOWEB engine for the fastest performance
-      #- WHATSAPP_DEFAULT_ENGINE=NOWEB
-
-      #
-      # Sessions
-      #
-      # https://waha.devlike.pro/docs/how-to/config/#sessions
-      # Restart all sessions when container starts
-      - WHATSAPP_RESTART_ALL_SESSIONS=True
-      # Do not print QR codes in logs
-      - WAHA_PRINT_QR=False
-      #
-      # OR you can specify sessions by name, if you have handful amount of sessions
-      #- WHATSAPP_START_SESSION=session1,session2
-      # Do not use both WHATSAPP_RESTART_ALL_SESSIONS and WHATSAPP_START_SESSION parameters
-      #
-
-      #
-      # Swagger
-      #
-      # https://waha.devlike.pro/docs/how-to/swagger/
-      #- WHATSAPP_SWAGGER_USERNAME=admin
-      #- WHATSAPP_SWAGGER_PASSWORD=admin
-      # Disable Swagger
-      #- WHATSAPP_SWAGGER_ENABLED=false
-      # Enable advanced Swagger configuration
-      #- WHATSAPP_SWAGGER_CONFIG_ADVANCED=true
-      #
-      # Swagger White Label customization
-      # https://waha.devlike.pro/docs/how-to/swagger/#white-label
-      #- WHATSAPP_SWAGGER_TITLE=WAHA API
-      #
-
-      #
-      # Global Proxy Settings
-      # https://waha.devlike.pro/docs/how-to/config/#global-proxy-configuration
-      # You can also set proxy settings for each session later when starting it
-      # https://waha.devlike.pro/docs/how-to/sessions/#configure-proxy
-      #- WHATSAPP_PROXY_SERVER=proxy.example.com:3128
-      #-WHATSAPP_PROXY_SERVER_USERNAME=user
-      #-WHATSAPP_PROXY_SERVER_PASSWORD=pass
-      #
-
-      #
-      # HTTPS Configuration
-      #
-      # https://waha.devlike.pro/docs/how-to/config/#https
-      # Consider using certbot for HTTPS
-      # https://waha.devlike.pro/blog/setting-up-https-for-waha/#lets-encrypt-certbot--waha
-      #- WAHA_HTTPS_ENABLED=true
-      #- WAHA_HTTPS_PATH_KEY=/etc/letsencrypt/live/waha.example.pro/privkey.pem
-      #- WAHA_HTTPS_PATH_CERT=/etc/letsencrypt/live/waha.example.pro/cert.pem \
-      #- WAHA_HTTPS_PATH_CA=/etc/letsencrypt/live/waha.example.pro/chain.pem
-      #- WHATSAPP_API_SCHEMA=https
-      #- WHATSAPP_API_PORT=3000
-      #- WHATSAPP_API_HOSTNAME=waha.example.pro
-      #
-
-      #
-      # Media Configuration
-      #
-      # https://waha.devlike.pro/docs/how-to/config/#files
-      #
-      # Disable media (images, videos, files) download for incoming messages
-      #- WHATSAPP_DOWNLOAD_MEDIA=false
-      #
-      # Download only specific media types
-      #- WHATSAPP_FILES_MIMETYPES=image/jpeg,image/png
-      #
-
-      # Media - Local Storage
-      # https://waha.devlike.pro/docs/how-to/storages/#media---local
-      #
-      # Set to 0 to keep media files forever
-      # https://waha.devlike.pro/docs/how-to/storages/#save-media-files-between-the-container-restarts
-      - WAHA_MEDIA_STORAGE=LOCAL
-      - WHATSAPP_FILES_LIFETIME=0
-      - WHATSAPP_FILES_FOLDER=/app/.media
-      # Keep media files for 180 seconds (3 minutes)
-      #- WHATSAPP_FILES_LIFETIME=180
-      #
-
-      # Media - S3 Storage
-      # https://waha.devlike.pro/docs/how-to/storages/#media---s3
-      #- WAHA_MEDIA_STORAGE=S3
-      #- WAHA_S3_REGION=eu-west-2
-      #- WAHA_S3_BUCKET=waha
-      #- WAHA_S3_ACCESS_KEY_ID=minioadmin
-      #- WAHA_S3_SECRET_ACCESS_KEY=minioadmin
-      #- WAHA_S3_ENDPOINT=http://minio:9000 # Not required if you're using AWS S3
-      #- WAHA_S3_FORCE_PATH_STYLE=True # Required for Minio
-      #- WAHA_S3_PROXY_FILES=True # Required for docker-compose setup
-
-      #
-      # Global Webhooks
-      #
-      # https://waha.devlike.pro/docs/how-to/config/#webhooks
-      # https://waha.devlike.pro/docs/how-to/webhooks/
-      #- WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
-      #- WHATSAPP_HOOK_EVENTS=session.status,message,message.reaction
-      #
-
-      #
-      # MongoDB Configuration
-      # https://waha.devlike.pro/docs/how-to/storages/#sessions---mongodb
-      #- WHATSAPP_SESSIONS_MONGO_URL=mongodb://mongodb:27017
-      #
+    env_file:
+      - .env
 
   # 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
-  mongodb:
-    image: mongo
-    container_name: mongodb
-    ports:
-      - '27017:27017/tcp'
-    volumes:
-      - mongodb_data:/data/db
-    restart: always
+  # Uncomment this block if you're using MongoDB
+#  mongodb:
+#    image: mongo
+#    container_name: mongodb
+#    ports:
+#      - '127.0.0.1:27017:27017/tcp'
+#    volumes:
+#      - mongodb_data:/data/db
+#    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
-  minio:
-    image: quay.io/minio/minio
-    container_name: minio
-    restart: always
-    ports:
-      - '9000:9000'
-      - '9001:9001'
-    environment:
-      MINIO_REGION: 'eu-west-2'
-      MINIO_ROOT_USER: 'minioadmin'
-      MINIO_ROOT_PASSWORD: 'minioadmin'
-    volumes:
-      - minio_data:/data
-    command: server /data --console-address ":9001"
+# NOTE: Only if you're using S3 to save media files
+# https://waha.devlike.pro/docs/how-to/storages/#media---s3
+# Uncomment this block if you're using AWS S3
+#  minio:
+#    image: quay.io/minio/minio
+#    container_name: minio
+#    restart: always
+#    ports:
+#      - '127.0.0.1:9000:9000'
+#      - '127.0.0.1:9001:9001'
+#    environment:
+#      MINIO_REGION: 'eu-west-2'
+#      MINIO_ROOT_USER: 'minioadmin'
+#      MINIO_ROOT_PASSWORD: 'minioadmin'
+#    volumes:
+#      - minio_data:/data
+#    command: server /data --console-address ":9001"
 
 volumes:
   # NOTE: Only if you're using MongoDB

docker-compose/docker-compose.workers.yaml

@@ -0,0 +1,97 @@
+# https://waha.devlike.pro/docs/how-to/install/
+services:
+  # Just to connect
+  waha-dashboard:
+    restart: unless-stopped
+    image: devlikeapro/waha-plus:latest
+    ports:
+      - '127.0.0.1:3000:3000/tcp'
+    env_file:
+      - .env
+    environment:
+      - WAHA_WORKER_ID=waha-dashboard
+
+  waha1:
+    restart: unless-stopped
+    image: devlikeapro/waha-plus:latest
+    ports:
+      - '127.0.0.1:3001:3000/tcp'
+    volumes:
+      - './.media:/app/.media'
+    env_file:
+      - .env
+    environment:
+      - WAHA_WORKER_ID=waha1
+      - WAHA_BASE_URL=http://localhost:3001
+      - WHATSAPP_DEFAULT_ENGINE=NOWEB
+      # MongoDB
+      - WHATSAPP_SESSIONS_MONGO_URL=mongodb://mongodb:27017
+      # S3
+      - WAHA_MEDIA_STORAGE=S3
+      - WAHA_S3_REGION=eu-west-2
+      - WAHA_S3_BUCKET=waha
+      - WAHA_S3_ACCESS_KEY_ID=minioadmin
+      - WAHA_S3_SECRET_ACCESS_KEY=minioadmin
+      - WAHA_S3_ENDPOINT=http://minio:9000 # Not required if you're using AWS S3
+      - WAHA_S3_FORCE_PATH_STYLE=True # Required for Minio
+      - WAHA_S3_PROXY_FILES=True # Required for docker-compose setup
+
+  waha2:
+    restart: unless-stopped
+    image: devlikeapro/waha-plus:latest
+    ports:
+      - '127.0.0.1:3002:3000/tcp'
+    volumes:
+      - './.media:/app/.media'
+    env_file:
+      - .env
+    environment:
+      - WAHA_WORKER_ID=waha2
+      - WAHA_BASE_URL=http://localhost:3002
+      - WHATSAPP_DEFAULT_ENGINE=NOWEB
+      # MongoDB
+      - WHATSAPP_SESSIONS_MONGO_URL=mongodb://mongodb:27017
+      # S3
+      - WAHA_MEDIA_STORAGE=S3
+      - WAHA_S3_REGION=eu-west-2
+      - WAHA_S3_BUCKET=waha
+      - WAHA_S3_ACCESS_KEY_ID=minioadmin
+      - WAHA_S3_SECRET_ACCESS_KEY=minioadmin
+      - WAHA_S3_ENDPOINT=http://minio:9000 # Not required if you're using AWS S3
+      - WAHA_S3_FORCE_PATH_STYLE=True # Required for Minio
+      - WAHA_S3_PROXY_FILES=True # Required for docker-compose setup
+
+  # NOTE: Only if you're using MongoDB
+  # https://waha.devlike.pro/docs/how-to/storages/#sessions---mongodb
+  # Comment this block if you're not using MongoDB
+  mongodb:
+    image: mongo
+    container_name: mongodb
+    ports:
+      - '127.0.0.1:27017:27017/tcp'
+    volumes:
+      - mongodb_data:/data/db
+    restart: always
+
+  # 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 S3
+  minio:
+    image: quay.io/minio/minio
+    container_name: minio
+    restart: always
+    ports:
+      - '127.0.0.1:9000:9000'
+      - '127.0.0.1:9001:9001'
+    environment:
+      MINIO_REGION: 'eu-west-2'
+      MINIO_ROOT_USER: 'minioadmin'
+      MINIO_ROOT_PASSWORD: 'minioadmin'
+    volumes:
+      - minio_data:/data
+    command: server /data --console-address ":9001"
+
+volumes:
+  # NOTE: Only if you're using MongoDB
+  mongodb_data: {}
+  minio_data: {}

docker-compose/n8n/docker-compose.yaml

@@ -14,7 +14,6 @@ services:
       - WAHA_DASHBOARD_USERNAME=waha
       - WAHA_DASHBOARD_PASSWORD=waha
       - WHATSAPP_DEFAULT_ENGINE=WEBJS
-      - WHATSAPP_RESTART_ALL_SESSIONS=True
       - WAHA_PRINT_QR=False
       - WAHA_MEDIA_STORAGE=LOCAL
       - WHATSAPP_FILES_LIFETIME=0

docker-compose/test/docker-compose.yaml

@@ -25,7 +25,6 @@ services:
       - './.sessions:/app/.sessions'
     environment:
       # Environment variables from https://waha.devlike.pro/docs/how-to/config/
-      # - WHATSAPP_RESTART_ALL_SESSIONS=True
       # - WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
       # - WHATSAPP_HOOK_EVENTS=message
       # - WHATSAPP_API_HOSTNAME=localhost
@@ -54,7 +53,6 @@ services:
       - './.sessions:/app/.sessions'
     environment:
       # Environment variables from https://waha.devlike.pro/docs/how-to/config/
-      # - WHATSAPP_RESTART_ALL_SESSIONS=True
       # - WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
       # - WHATSAPP_HOOK_EVENTS=message
       # - WHATSAPP_API_KEY=321

entrypoint.sh

@@ -8,4 +8,4 @@ uv_threadpool_size=$(($cpus * 2))
 export UV_THREADPOOL_SIZE="${UV_THREADPOOL_SIZE:-$uv_threadpool_size}"
 
 # Start your application using yarn
-node dist/main
+exec node dist/main

package.json

@@ -23,7 +23,7 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
-    "@adiwajshing/baileys": "github:devlikeapro/Baileys#fork-master-channels-2",
+    "@adiwajshing/baileys": "github:devlikeapro/Baileys#fork-master-channels-678",
     "@adiwajshing/keyed-db": "^0.2.4",
     "@aws-sdk/client-s3": "^3.633.0",
     "@aws-sdk/s3-request-presigner": "^3.633.0",
@@ -42,7 +42,10 @@
     "@types/lodash": "^4.14.194",
     "@types/ws": "^8.5.4",
     "adm-zip": "0.5.10",
+    "agentkeepalive": "^4.5.0",
     "async-lock": "^1.4.1",
+    "axios": "^1.7.7",
+    "axios-retry": "^4.5.0",
     "better-sqlite3": "11.3.0",
     "check-disk-space": "^3.4.0",
     "chokidar": "^3.6.0",
@@ -59,7 +62,7 @@
     "link-preview-js": "^3.0.4",
     "lodash": "^4.17.21",
     "mime-types": "^2.1.27",
-    "mongodb": "^6.3.0",
+    "mongodb": "6.9.0",
     "nestjs-pino": "^4.1.0",
     "passport": "^0.6.0",
     "passport-headerapikey": "^1.2.2",
@@ -67,17 +70,25 @@
     "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",
-    "request": "^2.88.2",
-    "requestretry": "^4.1.1",
     "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-webpack-exodus-channels"
+    "ulid": "^2.3.0",
+    "whatsapp-web.js": "github:devlikeapro/whatsapp-web.js#fork-main-channels"
+  },
+  "optionalDependencies": {
+    "bufferutil": "^4.0.8"
+  },
+  "resolutions": {
+    "bufferutil": "^4.0.8",
+    "ws": "^8.18.0",
+    "puppeteer": "^23.6.0",
+    "whatwg-url": "13.0.0"
   },
   "devDependencies": {
     "@nestjs/cli": "^9.0.0",

scripts/waha-run.sh

@@ -14,7 +14,6 @@ docker run -d \
     --env WAHA_LOG_FORMAT=JSON \
     --env WAHA_LOG_LEVEL=info \
     --env WHATSAPP_DEFAULT_ENGINE=WEBJS \
-    --env WHATSAPP_RESTART_ALL_SESSIONS=True \
     --env WAHA_PRINT_QR=False \
     --env WHATSAPP_FILES_LIFETIME=0 \
     --env WHATSAPP_FILES_FOLDER=/app/.media \

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,
@@ -21,7 +22,13 @@ 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 {
+  ChatsPaginationParams,
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+  PinMessageRequest,
+} from '../structures/chats.dto';
 import { EditMessageRequest } from '../structures/chatting.dto';
 
 @ApiSecurity('api_key')
@@ -36,9 +43,9 @@ class ChatsController {
   @ApiOperation({ summary: 'Get chats' })
   getChats(
     @WorkingSessionParam session: WhatsappSession,
-    @Query() query: GetChatsQuery,
+    @Query() pagination: ChatsPaginationParams,
   ) {
-    return session.getChats(query);
+    return session.getChats(pagination);
   }
 
   @Delete(':chatId')
@@ -56,13 +63,58 @@ class ChatsController {
   @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 +176,17 @@ 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

@@ -1,5 +1,17 @@
-import { Body, Controller, Get, Post, Put, Query } from '@nestjs/common';
+import {
+  Body,
+  Controller,
+  Get,
+  Post,
+  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';
 import {
@@ -8,6 +20,7 @@ import {
   GetMessageQuery,
   MessageContactVcardRequest,
   MessageFileRequest,
+  MessageForwardRequest,
   MessageImageRequest,
   MessageLinkPreviewRequest,
   MessageLocationRequest,
@@ -81,6 +94,25 @@ export class ChattingController {
     return whatsapp.sendVideo(request);
   }
 
+  @Post('/sendButtons')
+  @ApiOperation({
+    summary: 'Send buttons (interactive message)',
+    description: 'Send Buttons',
+  })
+  @UsePipes(new WAHAValidationPipe())
+  async sendButtons(@Body() request: SendButtonsRequest) {
+    const whatsapp = await this.manager.getWorkingSession(request.session);
+    return whatsapp.sendButtons(request);
+  }
+
+  @Post('/forwardMessage')
+  async forwardMessage(
+    @Body() request: MessageForwardRequest,
+  ): Promise<WAMessage> {
+    const whatsapp = await this.manager.getWorkingSession(request.session);
+    return await whatsapp.forwardMessage(request);
+  }
+
   @Post('/sendSeen')
   async sendSeen(@Body() chat: SendSeenRequest) {
     const whatsapp = await this.manager.getWorkingSession(chat.session);
@@ -141,9 +173,13 @@ export class ChattingController {
 
   @Get('/messages')
   @ApiOperation({ summary: 'Get messages in a chat' })
-  async getMessages(@Query() query: GetMessageQuery) {
+  @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.getMessages(query);
+    return whatsapp.getChatMessages(query.chatId, query, filter);
   }
 
   @Get('/sendText')

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 +15,11 @@ import {
   CheckNumberStatusQuery,
   WANumberExistResult,
 } from '../structures/chatting.dto';
-import { ContactQuery, ContactRequest } from '../structures/contacts.dto';
+import {
+  ContactQuery,
+  ContactRequest,
+  ContactsPaginationParams,
+} from '../structures/contacts.dto';
 
 @ApiSecurity('api_key')
 @Controller('api/contacts')
@@ -15,6 +27,17 @@ 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 +49,6 @@ 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(

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/server.controller.ts

@@ -9,14 +9,11 @@ import {
   NotFoundException,
   Post,
   Query,
-  Res,
   StreamableFile,
-  UseInterceptors,
   UsePipes,
 } from '@nestjs/common';
 import { ApiOperation, ApiSecurity, ApiTags } from '@nestjs/swagger';
 import { WhatsappConfigService } from '@waha/config.service';
-import { getApp } from '@waha/main';
 import { WAHAValidationPipe } from '@waha/nestjs/pipes/WAHAValidationPipe';
 import { WAHAEnvironment } from '@waha/structures/environment.dto';
 import {
@@ -25,6 +22,7 @@ import {
   StopRequest,
   StopResponse,
 } from '@waha/structures/server.dto';
+import { sleep } from '@waha/utils/promiseTimeout';
 import { VERSION } from '@waha/version';
 import * as lodash from 'lodash';
 
@@ -34,7 +32,7 @@ import * as lodash from 'lodash';
 export class ServerController {
   private logger: Logger;
 
-  constructor() {
+  constructor(private config: WhatsappConfigService) {
     this.logger = new Logger('ServerController');
   }
 
@@ -79,6 +77,9 @@ export class ServerController {
     return {
       startTimestamp: startTimestamp,
       uptime: uptime,
+      worker: {
+        id: this.config.workerId,
+      },
     };
   }
 
@@ -97,16 +98,14 @@ export class ServerController {
       setTimeout(() => {
         this.logger.log('Force stopping the server');
         process.kill(process.pid, 'SIGKILL');
+        process.exit(0);
       }, timeout);
     } else {
       this.logger.log(`Gracefully stopping the server in ${timeout}ms`);
       setTimeout(async () => {
         this.logger.log('Gracefully closing the application...');
-        const app = getApp();
-        if (app) {
-          await app.close();
-        }
-        this.logger.log('Application closed');
+        process.kill(process.pid, 'SIGTERM');
+        await sleep(10_000);
         process.exit(0);
       }, timeout);
     }

src/api/sessions.controller.ts

@@ -35,21 +35,14 @@ import {
   SessionUpdateRequest,
 } from '../structures/sessions.dto';
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const AsyncLock = require('async-lock');
-
 @ApiSecurity('api_key')
 @Controller('api/sessions')
 @ApiTags('🖥️ Sessions')
 class SessionsController {
-  private lock: any;
-
-  constructor(private manager: SessionManager) {
-    this.lock = new AsyncLock({ maxPending: Infinity });
-  }
+  constructor(private manager: SessionManager) {}
 
   private withLock(name: string, fn: () => any) {
-    return this.lock.acquire(name, fn);
+    return this.manager.withLock(name, fn);
   }
 
   @Get('/')
@@ -98,6 +91,7 @@ class SessionsController {
       const start = request.start || false;
       await this.manager.upsert(name, config);
       if (start) {
+        await this.manager.assign(name);
         await this.manager.start(name);
       }
     });
@@ -140,6 +134,8 @@ class SessionsController {
   @UsePipes(new WAHAValidationPipe())
   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);
@@ -151,7 +147,7 @@ class SessionsController {
   @ApiOperation({
     summary: 'Start the session',
     description:
-      'Start the session with the given name. The session must exist. Identity operation.',
+      'Start the session with the given name. The session must exist. Idempotent operation.',
   })
   @UsePipes(new WAHAValidationPipe())
   async start(@Param('session') name: string): Promise<SessionDTO> {
@@ -160,10 +156,8 @@ class SessionsController {
       if (!exists) {
         throw new NotFoundException('Session not found');
       }
-      const isRunning = this.manager.isRunning(name);
-      if (!isRunning) {
-        await this.manager.start(name);
-      }
+      await this.manager.assign(name);
+      await this.manager.start(name);
     });
     return await this.manager.getSessionInfo(name);
   }
@@ -177,10 +171,7 @@ class SessionsController {
   @UsePipes(new WAHAValidationPipe())
   async stop(@Param('session') name: string): Promise<SessionDTO> {
     await this.withLock(name, async () => {
-      const exists = await this.manager.exists(name);
-      if (!exists) {
-        throw new NotFoundException('Session not found');
-      }
+      await this.manager.unassign(name);
       await this.manager.stop(name, false);
     });
     return await this.manager.getSessionInfo(name);
@@ -200,6 +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) {
@@ -222,6 +214,7 @@ class SessionsController {
       if (!exists) {
         throw new NotFoundException('Session not found');
       }
+      await this.manager.assign(name);
       await this.manager.stop(name, true);
       await this.manager.start(name);
     });
@@ -248,6 +241,7 @@ class SessionsController {
     return await this.withLock(name, async () => {
       const config = request.config;
       await this.manager.upsert(name, config);
+      await this.manager.assign(name);
       return await this.manager.start(name);
     });
   }
@@ -265,12 +259,15 @@ class SessionsController {
     if (request.logout) {
       // 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);
       });
     } else {
       await this.withLock(name, async () => {
+        await this.manager.unassign(name);
         await this.manager.stop(name, false);
       });
     }
@@ -288,6 +285,8 @@ class SessionsController {
   ): Promise<void> {
     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/config.service.ts

@@ -18,9 +18,43 @@ export class WhatsappConfigService {
   }
 
   get port(): string {
+    if (this.configService.get('PORT')) {
+      return this.configService.get('PORT');
+    }
     return this.configService.get('WHATSAPP_API_PORT', '3000');
   }
 
+  get baseUrl(): string {
+    let baseUrl = this.configService.get('WAHA_BASE_URL', '');
+    if (!baseUrl) {
+      // combine schema+hostname+port
+      baseUrl = `${this.schema}://${this.hostname}:${this.port}`;
+    }
+    // remove / at the end
+    return baseUrl.replace(/\/$/, '');
+  }
+
+  get workerId(): string {
+    return this.configService.get('WAHA_WORKER_ID', '');
+  }
+
+  get shouldRestartWorkerSessions(): boolean {
+    const value = this.configService.get(
+      'WAHA_WORKER_RESTART_SESSIONS',
+      'true',
+    );
+    return parseBool(value);
+  }
+
+  get autoStartDelaySeconds(): number {
+    const value = this.configService.get('WAHA_AUTO_START_DELAY_SECONDS', '0');
+    try {
+      return parseInt(value, 10);
+    } catch (error) {
+      return 0;
+    }
+  }
+
   get mimetypes(): string[] {
     if (!this.shouldDownloadMedia) {
       return ['mimetype/ignore-all-media'];

src/core/SwaggerConfiguratorCore.ts

@@ -20,11 +20,11 @@ export class SwaggerConfiguratorCore {
 
   get description() {
     return (
-      'WhatsApp HTTP API that you can run in a click!<br/>' +
+      '<b>WhatsApp HTTP API</b> that you can run in a click!<br/>' +
+      '<a href="/dashboard"><b>📊 Dashboard</b></a><br/>' +
       '<br/>' +
       'Learn more:' +
       '<ul>' +
-      '<li><a href="/dashboard">WAHA Dashboard</a></li>' +
       '<li><a href="https://waha.devlike.pro/" target="_blank">Documentation</a></li>' +
       '<li><a href="https://waha.devlike.pro/docs/how-to/engines/#features" target="_blank">Supported features in engines</a></li>' +
       '<li><a href="https://github.com/devlikeapro/waha" target="_blank">GitHub - WAHA Core</a></li>' +

src/core/abc/manager.abc.ts

@@ -2,11 +2,14 @@ import {
   BeforeApplicationShutdown,
   UnprocessableEntityException,
 } from '@nestjs/common';
+import { WhatsappConfigService } from '@waha/config.service';
 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,
@@ -22,22 +25,63 @@ 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 {
   public store: any;
   public sessionAuthRepository: ISessionAuthRepository;
   public sessionConfigRepository: ISessionConfigRepository;
   protected sessionMeRepository: ISessionMeRepository;
-  public events: EventEmitter;
+  protected sessionWorkerRepository: ISessionWorkerRepository;
+  private lock: any;
+
   WAIT_STATUS_INTERVAL = 500;
   WAIT_STATUS_TIMEOUT = 5_000;
 
+  protected constructor(
+    protected config: WhatsappConfigService,
+    protected log: PinoLogger,
+  ) {
+    this.lock = new AsyncLock({ maxPending: Infinity });
+    this.log.setContext(SessionManager.name);
+  }
+
+  protected startPredefinedSessions() {
+    const startSessions = this.config.startSessions;
+    startSessions.forEach((sessionName) => {
+      this.withLock(sessionName, async () => {
+        const log = this.log.logger.child({ session: sessionName });
+        log.info(`Restarting PREDEFINED session...`);
+        await this.start(sessionName).catch((error) => {
+          log.error(`Failed to start PREDEFINED session: ${error}`);
+          log.error(error.stack);
+        });
+      });
+    });
+  }
+
+  public withLock(name: string, fn: () => any) {
+    return this.lock.acquire(name, fn);
+  }
+
   protected abstract getEngine(engine: WAHAEngine): typeof WhatsappSession;
 
   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
@@ -59,26 +103,24 @@ 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>;
 
   abstract getSessions(all: boolean): Promise<SessionInfo[]>;
 
-  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);
-    };
+  get workerId() {
+    return this.config.workerId;
+  }
+
+  async assign(name: string) {
+    await this.sessionWorkerRepository?.assign(name, this.workerId);
+  }
+
+  async unassign(name: string) {
+    await this.sessionWorkerRepository?.unassign(name, this.workerId);
   }
 
   async getWorkingSession(sessionName: string): Promise<WhatsappSession> {
@@ -111,7 +153,28 @@ export abstract class SessionManager implements BeforeApplicationShutdown {
     return session;
   }
 
-  async beforeApplicationShutdown(signal?: string) {
-    this.events.removeAllListeners();
+  beforeApplicationShutdown(signal?: string) {
+    return;
   }
 }
+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 { Label, LabelID } from '@waha/structures/labels.dto';
+import {
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+} from '@waha/structures/chats.dto';
+import { SendButtonsRequest } from '@waha/structures/chatting.buttons.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 { 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,
   MessageImageRequest,
   MessageLinkPreviewRequest,
   MessageLocationRequest,
@@ -38,6 +61,7 @@ import {
 } from '../../structures/enums.dto';
 import {
   CreateGroupRequest,
+  GroupsPaginationParams,
   ParticipantsRequest,
   SettingsSecurityChangeInfo,
 } from '../../structures/groups.dto';
@@ -59,7 +83,6 @@ 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');
 
@@ -81,10 +104,6 @@ export function ensureSuffix(phone) {
   return phone + suffix;
 }
 
-export enum WAHAInternalEvent {
-  ENGINE_START = 'engine.start',
-}
-
 export interface SessionParams {
   name: string;
   printQR: boolean;
@@ -97,7 +116,6 @@ export interface SessionParams {
 }
 
 export abstract class WhatsappSession {
-  public events: EventEmitter;
   public engine: WAHAEngine;
 
   public name: string;
@@ -108,9 +126,12 @@ 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>;
 
   public constructor({
     name,
@@ -122,11 +143,64 @@ 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;
@@ -134,10 +208,18 @@ 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() {
@@ -159,12 +241,16 @@ 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',
@@ -190,8 +276,9 @@ 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',
     ];
   }
 
@@ -205,24 +292,14 @@ 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
@@ -279,6 +356,8 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
+  abstract forwardMessage(request: MessageForwardRequest): Promise<WAMessage>;
+
   abstract sendImage(request: MessageImageRequest);
 
   abstract sendFile(request: MessageFileRequest);
@@ -289,6 +368,10 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
+  sendButtons(request: SendButtonsRequest) {
+    throw new NotImplementedByEngineError();
+  }
+
   abstract reply(request: MessageReplyRequest);
 
   abstract sendSeen(chat: ChatRequest);
@@ -297,10 +380,6 @@ export abstract class WhatsappSession {
 
   abstract stopTyping(chat: ChatRequest);
 
-  getMessages(query: GetMessageQuery) {
-    throw new NotImplementedByEngineError();
-  }
-
   abstract setReaction(request: MessageReactionRequest);
 
   setStar(request: MessageStarRequest): Promise<void> {
@@ -310,7 +389,7 @@ export abstract class WhatsappSession {
   /**
    * Chats methods
    */
-  public getChats(query: GetChatsQuery) {
+  public getChats(pagination: PaginationParams) {
     throw new NotImplementedByEngineError();
   }
 
@@ -320,12 +399,32 @@ 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();
   }
@@ -350,14 +449,34 @@ 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();
   }
@@ -377,7 +496,7 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
-  public getContacts() {
+  public getContacts(pagination: PaginationParams) {
     throw new NotImplementedByEngineError();
   }
 
@@ -404,7 +523,19 @@ 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();
   }
 

src/core/abc/webhooks.abc.ts

@@ -1,24 +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;
-
-  constructor(
-    loggerBuilder: LoggerBuilder,
-    protected webhookConfig: WebhookConfig,
-  ) {
-    this.url = webhookConfig.url;
-    this.logger = loggerBuilder.child({ name: WebhookSender.name });
-  }
-
-  abstract send(json);
-}
-
-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 +54,39 @@ 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));
+      });
+    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 +106,9 @@ 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 { 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';
 import {
@@ -44,7 +46,7 @@ import { SwaggerConfigServiceCore } from './config/SwaggerConfigServiceCore';
 import { WAHAHealthCheckServiceCore } from './health/WAHAHealthCheckServiceCore';
 import { SessionManagerCore } from './manager.core';
 
-export const IMPORTS = [
+export const IMPORTS_CORE = [
   LoggerModule.forRoot({
     renameContext: 'name',
     pinoHttp: {
@@ -100,6 +102,18 @@ export const IMPORTS = [
   PassportModule,
   TerminusModule,
 ];
+
+const IMPORTS_MEDIA = [
+  ConfigModule.forRoot({
+    validationSchema: Joi.object({
+      WAHA_MEDIA_STORAGE: Joi.string().valid('LOCAL', 'S3').default('LOCAL'),
+    }),
+  }),
+  MediaLocalStorageModule,
+];
+
+const IMPORTS = [...IMPORTS_CORE, ...IMPORTS_MEDIA];
+
 export const CONTROLLERS = [
   AuthController,
   SessionsController,
@@ -133,6 +147,7 @@ const PROVIDERS = [
   },
   DashboardConfigServiceCore,
   SwaggerConfigServiceCore,
+  WebJSEngineConfigService,
   WhatsappConfigService,
   EngineConfigService,
   WebsocketGatewayCore,

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/noweb/noweb.buttons.ts

@@ -0,0 +1,107 @@
+import { generateWAMessageFromContent, proto } from '@adiwajshing/baileys';
+import { Button, ButtonType } from '@waha/structures/chatting.buttons.dto';
+
+function toName(type: ButtonType) {
+  switch (type) {
+    case ButtonType.REPLY:
+      return 'quick_reply';
+    case ButtonType.URL:
+      return 'cta_url';
+    case ButtonType.CALL:
+      return 'cta_call';
+    case ButtonType.COPY:
+      return 'cta_copy';
+  }
+}
+
+export function randomId() {
+  // generate 16 random digits
+  return Math.random().toString().slice(2, 18);
+}
+
+export function buttonToJson(button: Button) {
+  const name = toName(button.type);
+  const buttonParams: any = {
+    display_text: button.text,
+    id: button.id || randomId(),
+    disabled: false,
+  };
+  switch (button.type) {
+    case ButtonType.REPLY:
+      break;
+    case ButtonType.CALL:
+      buttonParams.phone_number = button.phoneNumber;
+      break;
+    case ButtonType.COPY:
+      buttonParams.copy_code = button.copyCode;
+      break;
+    case ButtonType.URL:
+      buttonParams.url = button.url;
+      buttonParams.merchant_url = button.url;
+      break;
+  }
+  return {
+    name: name,
+    buttonParamsJson: JSON.stringify(buttonParams),
+  };
+}
+
+export async function sendButtonMessage(
+  sock: any,
+  chatId: string,
+  buttons: Button[],
+  header?: string,
+  headerImage?: any,
+  body?: string,
+  footer?: string,
+) {
+  const data = {
+    viewOnceMessage: {
+      message: {
+        messageContextInfo: {
+          deviceListMetadata: {},
+          deviceListMetadataVersion: 2,
+        },
+        interactiveMessage: {
+          body: undefined,
+          header: undefined,
+          footer: undefined,
+          nativeFlowMessage: {
+            buttons: buttons.map(buttonToJson),
+            messageParamsJson: JSON.stringify({
+              from: 'api',
+              templateId: randomId(),
+            }),
+          },
+        },
+      },
+    },
+  };
+
+  if (header || headerImage) {
+    data.viewOnceMessage.message.interactiveMessage.header = {
+      title: header,
+      hasMediaAttachment: !!headerImage,
+      imageMessage: headerImage,
+    };
+  }
+  if (body) {
+    data.viewOnceMessage.message.interactiveMessage.body = {
+      text: body,
+    };
+  }
+  if (footer) {
+    data.viewOnceMessage.message.interactiveMessage.footer = {
+      text: footer,
+    };
+  }
+
+  const msg = proto.Message.fromObject(data);
+  const fullMessage = generateWAMessageFromContent(chatId, msg, {
+    userJid: sock?.user?.id,
+  });
+  await sock.relayMessage(chatId, fullMessage.message, {
+    messageId: fullMessage.key.id,
+  });
+  return fullMessage;
+}

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

@@ -1,11 +1,12 @@
 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): 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): 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): 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): Promise<Chat[]> {
+    pagination.sortBy ||= 'conversationTimestamp';
+    pagination.sortOrder ||= SortOrder.DESC;
+    return this.chatRepo.getAllWithMessages(pagination);
+  }
+
+  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 +1,24 @@
 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): 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');
+    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/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" />
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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,
@@ -10,7 +11,7 @@ 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 {
@@ -19,13 +20,19 @@ import {
   CreateChannelRequest,
   ListChannelsQuery,
 } from '@waha/structures/channels.dto';
-import { ChatArchiveEvent, GetChatsQuery } from '@waha/structures/chats.dto';
+import {
+  ChatArchiveEvent,
+  ChatSortField,
+  GetChatMessageQuery,
+  GetChatMessagesFilter,
+  GetChatMessagesQuery,
+} from '@waha/structures/chats.dto';
 import {
   ChatRequest,
   CheckNumberStatusQuery,
   EditMessageRequest,
-  GetMessageQuery,
   MessageFileRequest,
+  MessageForwardRequest,
   MessageImageRequest,
   MessageLocationRequest,
   MessageReactionRequest,
@@ -48,16 +55,30 @@ 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 } 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 {
+  BROADCAST_ID,
+  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,
@@ -69,7 +90,9 @@ import {
   Label as WEBJSLabel,
   Location,
   Message,
+  MessageMedia,
   Reaction,
+  WAState,
 } from 'whatsapp-web.js';
 import { Message as MessageInstance } from 'whatsapp-web.js/src/structures';
 
@@ -78,6 +101,7 @@ const QRCode = require('qrcode');
 
 export interface WebJSConfig {
   webVersion?: string;
+  cacheType: 'local' | 'none';
 }
 
 export class WhatsappSessionWebJSCore extends WhatsappSession {
@@ -87,6 +111,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   protected engineConfig?: WebJSConfig;
 
   private startDelayedJob: SingleDelayedJobRunner;
+  private engineStateCheckDelayedJob: SingleDelayedJobRunner;
   private shouldRestart: boolean;
 
   whatsapp: WebjsClient;
@@ -103,6 +128,11 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       this.START_ATTEMPT_DELAY_SECONDS * SECOND,
       this.logger,
     );
+    this.engineStateCheckDelayedJob = new SingleDelayedJobRunner(
+      'engine-state-check',
+      2 * SECOND,
+      this.logger,
+    );
   }
 
   /**
@@ -115,8 +145,12 @@ 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,
@@ -126,15 +160,21 @@ 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);
   }
@@ -184,15 +224,13 @@ 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
@@ -207,33 +245,51 @@ 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() {
     this.status = WAHASessionStatus.STARTING;
-    await this.init();
+    await this.init().catch((err) => {
+      this.logger.error('Failed to start the client');
+      this.logger.error(err, err.stack);
+      this.failed();
+    });
     return this;
   }
 
   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 {
       this.whatsapp?.removeAllListeners();
       this.whatsapp?.pupBrowser?.removeAllListeners();
@@ -296,22 +352,60 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       this.logger.info(`Session '${this.name}' is ready!`);
     });
 
-    this.whatsapp.on(Events.AUTHENTICATED, () => {
-      this.status = WAHASessionStatus.WORKING;
+    this.whatsapp.on(Events.AUTHENTICATED, (args) => {
       this.qr.save('');
-      this.logger.info(`Session '${this.name}' has been authenticated!`);
+      this.logger.info({ args: args }, `Session has been authenticated!`);
     });
 
-    this.whatsapp.on(Events.AUTHENTICATION_FAILURE, () => {
-      this.status = WAHASessionStatus.FAILED;
+    this.whatsapp.on(Events.AUTHENTICATION_FAILURE, (args) => {
+      this.failed();
       this.qr.save('');
-      this.logger.info(`Session '${this.name}' has been disconnected!`);
+      this.logger.info({ args: args }, `Session has failed to authenticate!`);
     });
 
-    this.whatsapp.on(Events.DISCONNECTED, () => {
-      this.status = WAHASessionStatus.FAILED;
+    this.whatsapp.on(Events.DISCONNECTED, (args) => {
+      this.failed();
       this.qr.save('');
-      this.logger.info(`Session '${this.name}' has been disconnected!`);
+      this.logger.info({ args: args }, `Session has been disconnected!`);
+    });
+
+    this.whatsapp.on(Events.STATE_CHANGED, (state: WAState) => {
+      const badStates = [WAState.OPENING, WAState.TIMEOUT];
+      const log = this.logger.child({ state: state, event: 'change_state' });
+
+      log.info('Session engine state changed');
+      if (!badStates.includes(state)) {
+        return;
+      }
+
+      log.info(`Session state changed to bad state, waiting for recovery...`);
+      this.engineStateCheckDelayedJob.schedule(async () => {
+        if (this.startDelayedJob.scheduled) {
+          log.info('Session is restarting already, skip check.');
+          return;
+        }
+
+        if (!this.whatsapp) {
+          log.warn('Session is not initialized, skip recovery.');
+          return;
+        }
+
+        const currentState = await this.whatsapp.getState().catch((error) => {
+          log.error('Failed to get current state');
+          log.error(error, error.stack);
+          return null;
+        });
+        log.setBindings({ currentState: currentState });
+        if (!currentState) {
+          log.warn('Session has no current state, skip restarting.');
+          return;
+        } else if (badStates.includes(currentState)) {
+          log.info('Session is still in bad state, restarting...');
+          this.restartClient();
+          return;
+        }
+        log.info('Session has recovered, no need to restart.');
+      });
     });
   }
 
@@ -336,7 +430,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     // show it as ABCD-ABCD
     const parts = splitAt(code, 4);
     const codeRepr = parts.join('-');
-    this.logger.info(`Your code: ${codeRepr}`);
+    this.logger.debug(`Your code: ${codeRepr}`);
     return { code: codeRepr };
   }
 
@@ -415,6 +509,15 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return this.whatsapp.sendMessage(request.chatId, location, options);
   }
 
+  async forwardMessage(request: MessageForwardRequest): Promise<WAMessage> {
+    const forwardMessage = this.recreateMessage(request.messageId);
+    const msg = await forwardMessage.forward(request.chatId);
+    // Return "sent: true" for now
+    // need to research how to get the data from WebJS
+    // @ts-ignore
+    return { sent: msg || false };
+  }
+
   async sendSeen(request: SendSeenRequest) {
     const chat: Chat = await this.whatsapp.getChatById(request.chatId);
     await chat.sendSeen();
@@ -430,10 +533,6 @@ 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);
@@ -462,18 +561,38 @@ 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 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));
@@ -483,6 +602,33 @@ 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();
@@ -503,6 +649,11 @@ 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
@@ -513,6 +664,24 @@ 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);
   }
@@ -548,10 +717,11 @@ 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) {
@@ -592,6 +762,14 @@ 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 {
@@ -621,10 +799,25 @@ 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) {
@@ -830,83 +1023,165 @@ 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_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) {
@@ -918,7 +1193,7 @@ 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 {
@@ -936,10 +1211,10 @@ 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,
@@ -960,7 +1235,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
       vCards: message.vCards,
       replyTo: replyTo,
       _data: message.rawData,
-    });
+    };
   }
 
   protected extractReplyTo(message: Message): ReplyToMessage | null {
@@ -991,7 +1266,7 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   }
 
   protected downloadMedia(message: Message) {
-    const processor = new EngineMediaProcessor();
+    const processor = new WEBJSEngineMediaProcessor();
     return this.mediaManager.processMedia(processor, message, this.name);
   }
 
@@ -1004,11 +1279,14 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return {
       mentions: mentions,
       quotedMessageId: quotedMessageId,
+      linkPreview: request.linkPreview,
     };
   }
 }
 
-export class EngineMediaProcessor implements IMediaEngineProcessor<Message> {
+export class WEBJSEngineMediaProcessor
+  implements IMediaEngineProcessor<Message>
+{
   hasMedia(message: Message): boolean {
     if (!message.hasMedia) {
       return false;
@@ -1018,15 +1296,21 @@ export class EngineMediaProcessor implements IMediaEngineProcessor<Message> {
   }
 
   getMessageId(message: Message): string {
-    return '';
+    return message.id._serialized;
   }
 
   getMimetype(message: Message): string {
-    return '';
+    // @ts-ignore
+    return message.rawData.mimetype;
   }
 
-  getMediaBuffer(message: Message): Promise<Buffer | null> {
-    return Promise.resolve(undefined);
+  async getMediaBuffer(message: Message): Promise<Buffer | null> {
+    return message.downloadMedia().then((media: MessageMedia) => {
+      if (!media) {
+        return null;
+      }
+      return Buffer.from(media.data, 'base64');
+    });
   }
 
   getFilename(message: Message): string | null {

src/core/exceptions.ts

@@ -6,16 +6,16 @@ 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);
   }
 }
 
 export class AvailableInPlusVersion extends UnprocessableEntityException {
-  constructor() {
+  constructor(feature: string = 'The feature') {
     super(
-      `The feature is available only in Plus version. Check this out: ${DOCS_URL}`,
+      `${feature} is available only in Plus version. Check this out: ${DOCS_URL}`,
     );
   }
 }

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

@@ -1,14 +1,19 @@
 import {
   Injectable,
-  LogLevel,
   NotFoundException,
   UnprocessableEntityException,
 } from '@nestjs/common';
-import { MediaNoopStorage } from '@waha/core/media/MediaNoopStorage';
+import { WebJSEngineConfigService } from '@waha/core/config/WebJSEngineConfigService';
+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 {
@@ -24,17 +29,16 @@ 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';
 import { WhatsappSessionWebJSCore } from './engines/webjs/session.webjs.core';
 import { DOCS_URL } from './exceptions';
 import { getProxyConfig } from './helpers.proxy';
-import { MediaManagerCore } from './media/MediaManagerCore';
+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() {
@@ -43,6 +47,7 @@ export class OnlyDefaultSessionIsAllowed extends UnprocessableEntityException {
     );
   }
 }
+
 enum DefaultSessionStatus {
   REMOVED = undefined,
   STOPPED = null,
@@ -59,31 +64,34 @@ 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>>;
 
   constructor(
-    private config: WhatsappConfigService,
+    config: WhatsappConfigService,
     private engineConfigService: EngineConfigService,
-    private log: PinoLogger,
+    private webjsEngineConfigService: WebJSEngineConfigService,
+    log: PinoLogger,
+    private mediaStorageFactory: MediaStorageFactory,
   ) {
-    super();
-    this.events = new EventEmitter();
+    super(config, log);
     this.session = DefaultSessionStatus.STOPPED;
     this.sessionConfig = null;
-    this.log.setContext(SessionManagerCore.name);
     const engineName = this.engineConfigService.getDefaultEngineName();
     this.EngineClass = this.getEngine(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();
-  }
-
-  protected startPredefinedSessions() {
-    const startSessions = this.config.startSessions;
-    startSessions.forEach((sessionName) => {
-      this.start(sessionName);
+    this.clearStorage().catch((error) => {
+      this.log.error({ error }, 'Error while clearing storage');
     });
   }
 
@@ -104,12 +112,20 @@ export class SessionManagerCore extends SessionManager {
   }
 
   async beforeApplicationShutdown(signal?: string) {
+    this.stopEvents();
     if (!this.session) {
       return;
     }
     await this.stop(this.DEFAULT, true);
   }
 
+  private async clearStorage() {
+    const storage = this.mediaStorageFactory.build(
+      this.log.logger.child({ name: 'Storage' }),
+    );
+    await storage.purge();
+  }
+
   //
   // API Methods
   //
@@ -135,16 +151,22 @@ export class SessionManagerCore extends SessionManager {
         `Session '${this.DEFAULT}' is already started.`,
       );
     }
-    this.log.info(`'${name}' - starting session...`);
-    const mediaManager = new MediaManagerCore(
-      new MediaNoopStorage(),
-      this.config.mimetypes,
-    );
+    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;
 
-    const webhook = new this.WebhookConductorClass(loggerBuilder);
+    const storage = this.mediaStorageFactory.build(
+      loggerBuilder.child({ name: 'Storage' }),
+    );
+    await storage.init();
+    const mediaManager = new MediaManager(
+      storage,
+      this.config.mimetypes,
+      loggerBuilder.child({ name: 'MediaManager' }),
+    );
+
+    const webhook = new WebhookConductor(loggerBuilder);
     const proxyConfig = this.getProxyConfig();
     const sessionConfig: SessionParams = {
       name,
@@ -155,21 +177,19 @@ export class SessionManagerCore extends SessionManager {
       proxyConfig: proxyConfig,
       sessionConfig: this.sessionConfig,
     };
+    if (this.EngineClass === WhatsappSessionWebJSCore) {
+      sessionConfig.engineConfig = this.webjsEngineConfigService.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.');
@@ -180,14 +200,32 @@ 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();
@@ -197,11 +235,25 @@ 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);
@@ -210,6 +262,7 @@ export class SessionManagerCore extends SessionManager {
   async delete(name: string): Promise<void> {
     this.onlyDefault(name);
     this.session = DefaultSessionStatus.REMOVED;
+    this.updateSession();
     this.sessionConfig = undefined;
   }
 
@@ -317,4 +370,8 @@ export class SessionManagerCore extends SessionManager {
     const engine = await this.fetchEngineInfo();
     return { ...session, engine: engine };
   }
+
+  protected stopEvents() {
+    complete(this.events2);
+  }
 }

src/core/media/MediaManager.ts

@@ -0,0 +1,198 @@
+import { IMediaEngineProcessor } from '@waha/core/media/IMediaEngineProcessor';
+import { IMediaManager } from '@waha/core/media/IMediaManager';
+import {
+  IMediaStorage,
+  MediaData,
+  MediaStorageData,
+} from '@waha/core/media/IMediaStorage';
+import { WAMedia } from '@waha/structures/media.dto';
+import { Logger } from 'pino';
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const mime = require('mime-types');
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const promiseRetry = require('promise-retry');
+
+export class MediaManager implements IMediaManager {
+  // https://github.com/IndigoUnited/node-promise-retry
+  RETRY_OPTIONS = {
+    retries: 5,
+    minTimeout: 100,
+    maxTimeout: 500,
+  };
+
+  constructor(
+    private storage: IMediaStorage,
+    private mimetypes: string[],
+    protected log: Logger,
+  ) {
+    // Log mimetypes
+    if (this.mimetypes && this.mimetypes.length > 0) {
+      const mimetypes = this.mimetypes.join(',');
+      const msg = `Only '${mimetypes}' mimetypes will be downloaded for the session`;
+      this.log.info(msg);
+    }
+  }
+
+  /**
+   *  Check that we need to download files with the mimetype
+   */
+  private shouldProcessMimetype(mimetype: string) {
+    // No specific mimetypes provided - always download
+    if (!this.mimetypes || this.mimetypes.length === 0) {
+      return true;
+    }
+    // Found "right" mimetype in the list of allowed mimetypes - download it
+    return this.mimetypes.some((type) => mimetype.startsWith(type));
+  }
+
+  private async processMediaInternal<Message>(
+    processor: IMediaEngineProcessor<Message>,
+    message: Message,
+    session: string,
+  ): Promise<WAMedia | null> {
+    const messageId = processor.getMessageId(message);
+    const mimetype = processor.getMimetype(message);
+    const filename = processor.getFilename(message);
+    if (!this.shouldProcessMimetype(mimetype)) {
+      this.log.info(
+        `The message '${messageId}' has '${mimetype}' mimetype media, skip it.`,
+      );
+      return null;
+    }
+
+    const extension = mime.extension(mimetype);
+    const mediaData: MediaData = {
+      session: session,
+      message: {
+        id: messageId,
+      },
+      file: {
+        extension: extension,
+        filename: filename,
+      },
+    };
+
+    const exists = await this.withRetry('Checking media', () =>
+      this.exists(mediaData),
+    );
+
+    if (!exists) {
+      this.log.info(`The message ${messageId} has media, downloading it...`);
+      // Fetching media
+      const buffer = await this.withRetry('Fetching media', () =>
+        this.fetchMedia(message, processor),
+      );
+      // Saving media
+      await this.withRetry('Saving media', () =>
+        this.saveMedia(buffer, mediaData),
+      );
+      this.log.info(`The media from '${messageId}' has been saved.`);
+    }
+
+    const data = await this.withRetry('Getting media URL', () =>
+      this.getStorageData(mediaData),
+    );
+    return data;
+  }
+
+  async processMedia<Message>(
+    processor: IMediaEngineProcessor<Message>,
+    message: Message,
+    session: string,
+  ): Promise<Message> {
+    let messageId: string;
+    try {
+      messageId = processor.getMessageId(message);
+      if (!processor.hasMedia(message)) {
+        return message;
+      }
+    } catch (error) {
+      this.log.error(
+        error,
+        `Error checking if message has media for message '${messageId}'`,
+      );
+      return message;
+    }
+
+    let media: WAMedia = {
+      url: null,
+      filename: null,
+      mimetype: null,
+    };
+    try {
+      media.filename = processor.getFilename(message);
+      media.mimetype = processor.getMimetype(message);
+      media.filename = processor.getFilename(message);
+      const data = await this.processMediaInternal(processor, message, session);
+      media = { ...media, ...data };
+    } catch (err) {
+      this.log.error(err, `Error processing media for message '${messageId}'`);
+      media.error = err;
+      // @ts-ignore
+      media.error.details = `${err.stack}`;
+    }
+    // @ts-ignore
+    message.media = media;
+    return message;
+  }
+
+  private async fetchMedia(
+    message: any,
+    processor: IMediaEngineProcessor<any>,
+  ): Promise<Buffer> {
+    const messageId = processor.getMessageId(message);
+    this.log.debug(`Fetching media from WhatsApp message '${messageId}'...`);
+    const buffer = await processor.getMediaBuffer(message);
+    if (!buffer) {
+      throw new Error(
+        `Message '${messageId}' has no media, but it has media flag in the engine`,
+      );
+    }
+    return buffer;
+  }
+
+  private async saveMedia(
+    buffer: Buffer,
+    mediaData: MediaData,
+  ): Promise<boolean> {
+    this.log.debug(
+      `Saving media from WhatsApp the message '${mediaData.message.id}'...`,
+    );
+    const result = await this.storage.save(buffer, mediaData);
+    this.log.debug(`The media from '${mediaData.message.id}' has been saved.`);
+    return result;
+  }
+
+  private async getStorageData(
+    mediaData: MediaData,
+  ): Promise<MediaStorageData> {
+    return await this.storage.getStorageData(mediaData);
+  }
+
+  private async exists(mediaData: MediaData): Promise<boolean> {
+    this.log.trace(
+      `Checking if media exists for message '${mediaData.message.id}'...`,
+    );
+    const result = await this.storage.exists(mediaData);
+    this.log.trace(
+      `Media for message '${mediaData.message.id}' exists: ${result}`,
+    );
+    return result;
+  }
+
+  private async withRetry(name: string, fn: CallableFunction) {
+    const retryOptions = this.RETRY_OPTIONS;
+    try {
+      return await promiseRetry((retry: CallableFunction, number: number) => {
+        return fn().catch(retry);
+      }, retryOptions);
+    } catch (error) {
+      this.log.error(
+        error,
+        `Failed to execute '${name}', tried '${retryOptions.retries}' times`,
+      );
+      throw error;
+    }
+  }
+}

src/core/media/MediaManagerCore.ts

@@ -1,44 +0,0 @@
-import { IMediaEngineProcessor } from '@waha/core/media/IMediaEngineProcessor';
-import { IMediaStorage, MediaData } from '@waha/core/media/IMediaStorage';
-import { WAMedia } from '@waha/structures/media.dto';
-
-import { IMediaManager } from './IMediaManager';
-
-export class MediaManagerCore implements IMediaManager {
-  constructor(
-    private storage: IMediaStorage,
-    private mimetypes: string[],
-  ) {}
-
-  async processMedia<Message>(
-    processor: IMediaEngineProcessor<Message>,
-    message: Message,
-    session: string,
-  ): Promise<Message> {
-    if (!processor.hasMedia(message)) {
-      return message;
-    }
-    const mimetype = '';
-    const mediaData: MediaData = {
-      session: session,
-      message: {
-        id: '',
-      },
-      file: {
-        extension: '',
-      },
-    };
-    const { url } = await this.storage.getStorageData(mediaData);
-
-    const filename = processor.getFilename(message);
-    const media: WAMedia = {
-      mimetype: mimetype,
-      filename: filename,
-      url: url,
-    };
-
-    // @ts-ignore
-    message.media = media;
-    return message;
-  }
-}

src/core/media/MediaNoopStorage.ts

@@ -1,25 +0,0 @@
-import { DOCS_URL } from '@waha/core/exceptions';
-import { IMediaStorage, MediaData } from '@waha/core/media/IMediaStorage';
-
-export class MediaNoopStorage implements IMediaStorage {
-  async init() {
-    return;
-  }
-
-  async save(buffer: Buffer, data: MediaData): Promise<boolean> {
-    return Promise.resolve(true);
-  }
-
-  async exists(data: MediaData): Promise<boolean> {
-    return false;
-  }
-
-  async getStorageData(data: MediaData) {
-    const url = `Media attachment's available only in WAHA Plus version. ${DOCS_URL}`;
-    return { url };
-  }
-
-  async purge() {
-    return;
-  }
-}

src/core/media/MediaStorageFactory.ts

@@ -0,0 +1,6 @@
+import { IMediaStorage } from '@waha/core/media/IMediaStorage';
+import { Logger } from 'pino';
+
+export abstract class MediaStorageFactory {
+  abstract build(logger: Logger): IMediaStorage;
+}

src/core/media/local/MediaLocalStorage.ts

@@ -0,0 +1,95 @@
+import { IMediaStorage, MediaData } from '@waha/core/media/IMediaStorage';
+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);
+
+/**
+ * Save files locally using the filesystem
+ */
+export class MediaLocalStorage implements IMediaStorage {
+  private readonly lifetimeMs: number;
+
+  constructor(
+    protected log: Logger,
+    private filesFolder: string,
+    private baseUrl: string,
+    lifetimeSeconds: number,
+  ) {
+    this.lifetimeMs = lifetimeSeconds * SECOND;
+    if (this.lifetimeMs === 0) {
+      this.log.info('Files lifetime is 0, files will not be removed');
+    }
+  }
+
+  async init() {
+    return;
+  }
+
+  async exists(data: MediaData): Promise<boolean> {
+    const filepath = this.getFullPath(data);
+    return await fileExists(filepath);
+  }
+
+  public async save(buffer: Buffer, data: MediaData): Promise<boolean> {
+    const filepath = this.getFullPath(data);
+    const folder = path.dirname(filepath);
+    await fsp.mkdir(folder, { recursive: true });
+    await writeFileAsync(filepath, buffer);
+    this.postponeRemoval(filepath);
+    return true;
+  }
+
+  public async getStorageData(data: MediaData) {
+    const filename = this.getKey(data);
+    const url = this.baseUrl + filename;
+    return { url };
+  }
+
+  async purge() {
+    if (this.lifetimeMs === 0) {
+      this.log.info('No need to purge files with lifetime 0');
+      return;
+    }
+
+    if (fs.existsSync(this.filesFolder)) {
+      del([`${this.filesFolder}/*`], { force: true }).then((paths) => {
+        if (paths.length === 0) {
+          return;
+        }
+        this.log.info('Deleted files and directories:\n', paths.join('\n'));
+      });
+    } else {
+      fs.mkdirSync(this.filesFolder);
+      this.log.info(`Directory '${this.filesFolder}' created from scratch`);
+    }
+  }
+
+  private getKey(data: MediaData) {
+    return `${data.session}/${data.message.id}.${data.file.extension}`;
+  }
+
+  private getFullPath(data: MediaData) {
+    const filepath = this.getKey(data);
+    return path.resolve(`${this.filesFolder}/${filepath}`);
+  }
+
+  private postponeRemoval(filepath: string) {
+    if (this.lifetimeMs === 0) {
+      return;
+    }
+    setTimeout(
+      () =>
+        fs.unlink(filepath, () => {
+          this.log.info(`File ${filepath} was removed`);
+        }),
+      this.lifetimeMs,
+    );
+  }
+}

src/core/media/local/MediaLocalStorageConfig.ts

@@ -8,7 +8,7 @@ export class MediaLocalStorageConfig {
   constructor(private config: WhatsappConfigService) {}
 
   get filesURL(): string {
-    return `${this.config.schema}://${this.config.hostname}:${this.config.port}${this.filesUri}/`;
+    return `${this.config.baseUrl}${this.filesUri}/`;
   }
 
   get filesFolder(): string {

src/core/media/local/MediaLocalStorageFactory.ts

@@ -0,0 +1,22 @@
+import { Injectable } from '@nestjs/common';
+import { IMediaStorage } from '@waha/core/media/IMediaStorage';
+import { MediaLocalStorage } from '@waha/core/media/local/MediaLocalStorage';
+import { MediaLocalStorageConfig } from '@waha/core/media/local/MediaLocalStorageConfig';
+import { MediaStorageFactory } from '@waha/core/media/MediaStorageFactory';
+import { Logger } from 'pino';
+
+@Injectable()
+export class MediaLocalStorageFactory extends MediaStorageFactory {
+  constructor(private config: MediaLocalStorageConfig) {
+    super();
+  }
+
+  build(logger: Logger): IMediaStorage {
+    return new MediaLocalStorage(
+      logger,
+      this.config.filesFolder,
+      this.config.filesURL,
+      this.config.filesLifetime,
+    );
+  }
+}

src/core/media/local/media.local.storage.module.ts

@@ -0,0 +1,34 @@
+import { Module } from '@nestjs/common';
+import { ServeStaticModule } from '@nestjs/serve-static';
+import { WhatsappConfigService } from '@waha/config.service';
+import { MediaLocalStorageConfig } from '@waha/core/media/local/MediaLocalStorageConfig';
+import { MediaLocalStorageFactory } from '@waha/core/media/local/MediaLocalStorageFactory';
+import { MediaStorageFactory } from '@waha/core/media/MediaStorageFactory';
+
+@Module({
+  imports: [
+    ServeStaticModule.forRootAsync({
+      imports: [],
+      extraProviders: [MediaLocalStorageConfig, WhatsappConfigService],
+      inject: [MediaLocalStorageConfig],
+      useFactory: (config: MediaLocalStorageConfig) => {
+        return [
+          {
+            rootPath: config.filesFolder,
+            serveRoot: config.filesUri,
+          },
+        ];
+      },
+    }),
+  ],
+  providers: [
+    {
+      provide: MediaStorageFactory,
+      useClass: MediaLocalStorageFactory,
+    },
+    WhatsappConfigService,
+    MediaLocalStorageConfig,
+  ],
+  exports: [MediaStorageFactory],
+})
+export class MediaLocalStorageModule {}

src/core/storage/ISessionWorkerRepository.ts

@@ -0,0 +1,18 @@
+export class SessionWorkerInfo {
+  id: string; // aka session name here
+  worker: string;
+}
+
+export abstract class ISessionWorkerRepository {
+  abstract assign(session: string, worker: string): Promise<void>;
+
+  abstract unassign(session: string, worker: string): Promise<void>;
+
+  abstract remove(session: string): Promise<void>;
+
+  abstract getAll(): Promise<SessionWorkerInfo[]>;
+
+  abstract getSessionsByWorker(worker: string): Promise<string[]>;
+
+  abstract init(): Promise<void>;
+}

src/core/storage/LocalSessionMeRepository.ts

@@ -1,8 +1,8 @@
-import { NOWEBSqlite3KVRepository } from '@waha/core/engines/noweb/store/sqlite3/NOWEBSqlite3KVRepository';
 import { Sqlite3SchemaValidation } from '@waha/core/engines/noweb/store/sqlite3/Sqlite3SchemaValidation';
 import { ISessionMeRepository } from '@waha/core/storage/ISessionMeRepository';
 import { LocalStore } from '@waha/core/storage/LocalStore';
 import { Field, Index, Schema } from '@waha/core/storage/sqlite3/Schema';
+import { Sqlite3KVRepository } from '@waha/core/storage/sqlite3/Sqlite3KVRepository';
 import { MeInfo } from '@waha/structures/sessions.dto';
 import * as path from 'path';
 
@@ -21,7 +21,7 @@ class SessionMeInfo {
 }
 
 export class LocalSessionMeRepository
-  extends NOWEBSqlite3KVRepository<SessionMeInfo>
+  extends Sqlite3KVRepository<SessionMeInfo>
   implements ISessionMeRepository
 {
   constructor(store: LocalStore) {

src/core/storage/LocalSessionWorkerRepository.ts

@@ -0,0 +1,74 @@
+import { Sqlite3SchemaValidation } from '@waha/core/engines/noweb/store/sqlite3/Sqlite3SchemaValidation';
+import {
+  ISessionWorkerRepository,
+  SessionWorkerInfo,
+} from '@waha/core/storage/ISessionWorkerRepository';
+import { LocalStore } from '@waha/core/storage/LocalStore';
+import { Field, Index, Schema } from '@waha/core/storage/sqlite3/Schema';
+import { Sqlite3KVRepository } from '@waha/core/storage/sqlite3/Sqlite3KVRepository';
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const Database = require('better-sqlite3');
+
+const SCHEMA = new Schema(
+  'session_worker',
+  [
+    new Field('id', 'TEXT'),
+    new Field('worker', 'TEXT'),
+    new Field('data', 'TEXT'),
+  ],
+  [
+    new Index('session_worker_id_idx', ['id']),
+    new Index('session_worker_worker_idx', ['worker']),
+  ],
+);
+
+export class LocalSessionWorkerRepository
+  extends Sqlite3KVRepository<SessionWorkerInfo>
+  implements ISessionWorkerRepository
+{
+  constructor(store: LocalStore) {
+    const db = store.getWAHADatabase();
+    super(db, SCHEMA);
+  }
+
+  assign(session: string, worker: string): Promise<void> {
+    return this.upsertOne({ id: session, worker: worker });
+  }
+
+  unassign(session: string, worker: string): Promise<void> {
+    return this.deleteBy({ id: session, worker: worker });
+  }
+
+  remove(session: string) {
+    return this.deleteById(session);
+  }
+
+  async getSessionsByWorker(worker: string): Promise<string[]> {
+    const data = await this.getAllBy({ worker: worker });
+    return data.map((d) => d.id);
+  }
+
+  async init(): Promise<void> {
+    this.migrations();
+    this.validateSchema();
+  }
+
+  private migrations() {
+    this.db.exec(
+      'CREATE TABLE IF NOT EXISTS session_worker (id TEXT, worker TEXT, data TEXT)',
+    );
+    // Session can have only one record
+    this.db.exec(
+      'CREATE UNIQUE INDEX IF NOT EXISTS session_worker_id_idx ON session_worker (id)',
+    );
+    // Worker can have multiple records
+    this.db.exec(
+      'CREATE INDEX IF NOT EXISTS session_worker_worker_idx ON session_worker (worker)',
+    );
+  }
+
+  private validateSchema() {
+    new Sqlite3SchemaValidation(SCHEMA, this.db).validate();
+  }
+}

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

@@ -1,146 +0,0 @@
-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';
-import request = require('request');
-import { LoggerBuilder } from '@waha/utils/logging';
-import { Logger } from 'pino';
-
-export class WebhookSenderCore extends WebhookSender {
-  send(json) {
-    this.logger.info({ url: this.url }, `Sending POST ...`);
-    this.logger.debug({ data: json }, `POST DATA`);
-
-    request.post(this.url, { json: json }, (error, res, body) => {
-      if (error) {
-        this.logger.error(error);
-        return;
-      }
-      this.logger.info(
-        `POST request was sent with status code: ${res.statusCode}`,
-      );
-      this.logger.debug({ body: body }, `Response`);
-    });
-  }
-}
-
-export class WebhookConductorCore implements WebhookConductor {
-  private logger: Logger;
-
-  constructor(protected loggerBuilder: LoggerBuilder) {
-    this.logger = loggerBuilder.child({ name: WebhookConductor.name });
-  }
-
-  protected buildSender(webhookConfig: WebhookConfig): WebhookSender {
-    return new WebhookSenderCore(this.loggerBuilder, webhookConfig);
-  }
-
-  private getSuitableEvents(events: WAHAEvents[] | string[]): WAHAEvents[] {
-    const allEvents = Object.values(WAHAEvents);
-
-    // Enable all events if * in the events
-    // @ts-ignore
-    if (events.includes('*')) {
-      return allEvents;
-    }
-
-    // Get only known events, log and ignore others
-    const rightEvents = [];
-    for (const event of events) {
-      // @ts-ignore
-      if (!allEvents.includes(event)) {
-        this.logger.error(`Unknown event for webhook: '${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 ${url}.`);
-  }
-
-  private configureSingleEvent(
-    subscribeMethod,
-    session: WhatsappSession,
-    event: WAHAEvents,
-    sender: WebhookSender,
-    url: string,
-  ) {
-    const found = subscribeMethod.apply(session, [
-      event,
-      (data: any) => this.callWebhook(event, session, data, sender),
-    ]);
-    if (!found) {
-      return false;
-    }
-    this.logger.info(`Event '${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

@@ -29,6 +29,13 @@ process.on('unhandledRejection', (reason, promise) => {
   // @ts-ignore
   logger.error(reason.stack);
 });
+process.on('SIGINT', () => {
+  logger.info('SIGINT received');
+});
+
+process.on('SIGTERM', () => {
+  logger.info('SIGTERM received');
+});
 
 async function loadModules(): Promise<
   [typeof AppModuleCore, typeof SwaggerConfiguratorCore]
@@ -51,18 +58,12 @@ async function loadModules(): Promise<
   return [AppModulePlus, SwaggerConfiguratorPlus];
 }
 
-let app = undefined;
-
-export function getApp() {
-  return app;
-}
-
 async function bootstrap() {
   const version = getWAHAVersion();
   logger.info(`WAHA (WhatsApp HTTP API) - Running ${version} version...`);
   const [AppModule, SwaggerModule] = await loadModules();
   const httpsOptions = AppModule.getHttpsOptions(logger);
-  app = await NestFactory.create(AppModule, {
+  const app = await NestFactory.create(AppModule, {
     logger: getNestJSLogLevels(),
     httpsOptions: httpsOptions,
     bufferLogs: true,
@@ -73,7 +74,6 @@ async function bootstrap() {
   // https://github.com/iamolegga/nestjs-pino?tab=readme-ov-file#expose-stack-trace-and-error-class-in-err-property
   app.useGlobalInterceptors(new LoggerErrorInterceptor());
 
-  app.enableShutdownHooks();
   app.useGlobalFilters(new AllExceptionsFilter());
   app.enableCors();
   // Ideally, we should apply it globally.
@@ -90,6 +90,7 @@ async function bootstrap() {
   swaggerConfigurator.configure(WAHA_WEBHOOKS);
 
   AppModule.appReady(app, logger);
+  app.enableShutdownHooks();
   const config = app.get(WhatsappConfigService);
   await app.listen(config.port);
   logger.info(`WhatsApp HTTP API is running on: ${await app.getUrl()}`);

src/structures/chats.dto.ts

@@ -1,35 +1,108 @@
 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 { 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 {
+export class GetChatMessagesFilter {
+  @ApiProperty({
+    required: false,
+    description: 'Filter messages before this timestamp (inclusive)',
+  })
+  @IsNumber()
+  @IsOptional()
+  @Type(() => 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 GetChatMessagesQuery {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
   limit: number = 100;
 
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  offset?: number;
+
   @ApiProperty({
     example: true,
     required: false,
     description: 'Download media for messages',
   })
+  @Transform(BooleanString)
+  @IsBoolean()
+  @IsOptional()
   downloadMedia: boolean = true;
 }
 
-export class GetChatsQuery {
-  @IsNumber()
+export class GetChatMessageQuery {
+  @ApiProperty({
+    example: true,
+    required: false,
+    description: 'Download media for messages',
+  })
+  @Transform(BooleanString)
+  @IsBoolean()
   @IsOptional()
-  @Type(() => Number)
-  limit?: number;
+  downloadMedia: boolean = true;
+}
 
-  @IsNumber()
+export enum ChatSortField {
+  CONVERSATION_TIMESTAMP = 'conversationTimestamp',
+  ID = 'id',
+  NAME = 'name',
+}
+
+export class ChatsPaginationParams extends PaginationParams {
+  @ApiProperty({
+    description: 'Sort by field',
+    enum: ChatSortField,
+  })
   @IsOptional()
-  @Type(() => Number)
-  offset?: number;
+  @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;
 }
 
 /**

src/structures/chatting.buttons.dto.ts

@@ -0,0 +1,137 @@
+import { ApiExtraModels, ApiProperty, getSchemaPath } from '@nestjs/swagger';
+import { WHATSAPP_DEFAULT_SESSION_NAME } from '@waha/structures/base.dto';
+import { ChatRequest } from '@waha/structures/chatting.dto';
+import { BinaryFile, RemoteFile } from '@waha/structures/files.dto';
+import { ChatIdProperty } from '@waha/structures/properties.dto';
+import { Type } from 'class-transformer';
+import {
+  ArrayMaxSize,
+  ArrayMinSize,
+  IsArray,
+  IsEnum,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  ValidateIf,
+  ValidateNested,
+} from 'class-validator';
+
+export enum ButtonType {
+  REPLY = 'reply',
+  URL = 'url',
+  CALL = 'call',
+  COPY = 'copy',
+}
+
+/**
+ * buttons:
+ *    - type: reply|url|call|copy
+ *      text: Display Text
+ *      url: only for url (required)
+ *      phone_number: only for call (required)
+ */
+export class Button {
+  @IsEnum(ButtonType)
+  type: ButtonType = ButtonType.REPLY;
+
+  @ApiProperty({
+    example: 'Button Text',
+  })
+  @IsString()
+  text: string;
+
+  @ApiProperty({
+    example: '321321',
+  })
+  @IsOptional()
+  @IsString()
+  id?: string;
+
+  @ApiProperty({
+    example: 'https://example.com',
+  })
+  @ValidateIf((o) => o.type === ButtonType.URL)
+  @IsNotEmpty()
+  url?: string;
+
+  @ApiProperty({
+    example: '+1234567890',
+  })
+  @ValidateIf((o) => o.type === ButtonType.CALL)
+  @IsNotEmpty()
+  phoneNumber?: string;
+
+  @ApiProperty({
+    example: '4321',
+  })
+  @ValidateIf((o) => o.type === ButtonType.COPY)
+  @IsNotEmpty()
+  copyCode?: string;
+}
+
+@ApiExtraModels(RemoteFile, BinaryFile)
+export class SendButtonsRequest {
+  @IsString()
+  session: string = WHATSAPP_DEFAULT_SESSION_NAME;
+
+  @ChatIdProperty()
+  @IsString()
+  chatId: string;
+
+  @ApiProperty({
+    example: 'How are you?',
+  })
+  @IsOptional()
+  header: string;
+
+  @ApiProperty({
+    oneOf: [
+      { $ref: getSchemaPath(RemoteFile) },
+      { $ref: getSchemaPath(BinaryFile) },
+    ],
+  })
+  @IsOptional()
+  headerImage?: RemoteFile | BinaryFile;
+
+  @ApiProperty({
+    example: 'Tell us how are you please 🙏',
+  })
+  @IsOptional()
+  body: string;
+
+  @ApiProperty({
+    example: 'If you have any questions, please send it in the chat',
+  })
+  @IsOptional()
+  footer: string;
+
+  @ValidateNested({ each: true })
+  @Type(() => Button)
+  @IsArray()
+  @ArrayMinSize(1)
+  @ArrayMaxSize(4)
+  @ApiProperty({
+    example: [
+      {
+        type: 'reply',
+        text: 'I am good!',
+      },
+      {
+        type: 'call',
+        text: 'Call us',
+        phoneNumber: '+1234567890',
+      },
+      {
+        type: 'copy',
+        text: 'Copy code',
+        copyCode: '4321',
+      },
+      {
+        type: 'url',
+        text: 'How did you do that?',
+        url: 'https://waha.devlike.pro',
+      },
+    ],
+  })
+  buttons: Button[];
+}

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 {
@@ -243,6 +248,12 @@ export class MessageVideoRequest extends ChatRequest {
     example: null,
   })
   reply_to?: string;
+
+  @ApiProperty({
+    description: 'Send as video note (aka instant or round video).',
+    example: false,
+  })
+  asNote?: boolean;
 }
 
 export class MessageLinkPreviewRequest extends ChatRequest {
@@ -250,6 +261,13 @@ export class MessageLinkPreviewRequest extends ChatRequest {
   title: string;
 }
 
+export class MessageForwardRequest extends ChatRequest {
+  @ApiProperty({
+    example: 'false_11111111111@c.us_AAAAAAAAAAAAAAAAAAAA',
+  })
+  messageId: string;
+}
+
 export class MessageReactionRequest extends MessageRequest {
   @ApiProperty({
     description:

src/structures/contacts.dto.ts

@@ -1,5 +1,7 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { PaginationParams } from '@waha/structures/pagination.dto';
 import { ChatIdProperty } from '@waha/structures/properties.dto';
-import { IsString } from 'class-validator';
+import { IsEnum, IsOptional, IsString } from 'class-validator';
 
 import { SessionBaseRequest, SessionQuery } from './base.dto';
 
@@ -13,6 +15,21 @@ export class ContactQuery extends SessionQuery {
   contactId: string;
 }
 
+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

@@ -6,6 +6,7 @@ export enum WAHAEvents {
   MESSAGE_REACTION = 'message.reaction',
   MESSAGE_ANY = 'message.any',
   MESSAGE_ACK = 'message.ack',
+  MESSAGE_WAITING = 'message.waiting',
   MESSAGE_REVOKED = 'message.revoked',
   STATE_CHANGE = 'state.change',
   GROUP_JOIN = 'group.join',
@@ -21,8 +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',
@@ -52,4 +59,5 @@ export enum WAMessageAck {
   READ = 3,
   PLAYED = 4,
 }
+
 export const ACK_UNKNOWN = 'UNKNOWN';

src/structures/files.dto.ts

@@ -21,7 +21,7 @@ export class RemoteFile {
   @ApiProperty({
     example:
       process.env.WHATSAPP_SWAGGER_JPG_EXAMPLE_URL ||
-      'https://github.com/devlikeapro/waha/raw/core/examples/dev.likeapro.jpg',
+      'https://github.com/devlikeapro/waha/raw/core/examples/waha.jpg',
   })
   url: string;
 }
@@ -42,7 +42,7 @@ export class BinaryFile {
   @ApiProperty({
     description: 'Base64-encoded data of the file',
     example:
-      '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',
+      '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
Line truncated
   })
   data: string;
 }

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 +1,33 @@
+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 PaginationParams {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  limit?: number;
+
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  offset?: number;
+
+  @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/server.dto.ts

@@ -36,6 +36,14 @@ export class StopResponse {
   stopping: boolean = true;
 }
 
+export class WorkerInfo {
+  @ApiProperty({
+    example: 'waha',
+    description: 'The worker ID.',
+  })
+  id: string;
+}
+
 export class ServerStatusResponse {
   @ApiProperty({
     example: 1723788847247,
@@ -48,4 +56,6 @@ export class ServerStatusResponse {
     description: 'The uptime of the server in milliseconds.',
   })
   uptime: number;
+
+  worker: WorkerInfo;
 }

src/structures/sessions.dto.ts

@@ -159,6 +159,7 @@ export class MeInfo {
 
 export class SessionInfo extends SessionDTO {
   me?: MeInfo;
+  assignedWorker?: string;
 }
 
 export class SessionDetailedInfo extends SessionInfo {

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.config.dto.ts

@@ -11,6 +11,12 @@ import {
   ValidateNested,
 } from 'class-validator';
 
+export enum RetryPolicy {
+  LINEAR = 'linear',
+  EXPONENTIAL = 'exponential',
+  CONSTANT = 'constant',
+}
+
 export class RetriesConfiguration {
   @ApiProperty({
     example: 2,
@@ -25,6 +31,13 @@ export class RetriesConfiguration {
   @IsNumber()
   @IsOptional()
   attempts?: number;
+
+  @ApiProperty({
+    example: RetryPolicy.LINEAR,
+  })
+  @IsOptional()
+  @IsEnum(RetryPolicy)
+  policy?: RetryPolicy;
 }
 
 export class CustomHeader {

src/structures/webhooks.dto.ts

@@ -101,6 +101,11 @@ export class WASessionStatusBody {
 }
 
 export class WAHAWebhook {
+  @ApiProperty({
+    example: 'evt_01jcn4pjwwg47bwy2gsey6q5sx',
+  })
+  id: string;
+
   @ApiProperty({
     example: 'default',
   })
@@ -320,6 +325,20 @@ 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 +360,6 @@ 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/SingleDelayedJobRunner.ts

@@ -22,8 +22,12 @@ export class SingleDelayedJobRunner {
     });
   }
 
+  get scheduled(): boolean {
+    return !!this.timeout;
+  }
+
   schedule(fn: FunctionNoArgs): boolean {
-    if (this.timeout) {
+    if (this.scheduled) {
       const msg = `Job has been started before, do not schedule it again`;
       this.log(this.warningOverride, msg);
       return false;
@@ -31,16 +35,24 @@ export class SingleDelayedJobRunner {
 
     this.timeout = setTimeout(() => {
       this.logger.debug(`Running job...`);
-      fn().finally(() => {
-        this.timeout = null;
-        this.logger.debug(`Job finished`);
-      });
+      fn()
+        .catch((error) => {
+          this.logger.error(`Job failed: ${error}`);
+          this.logger.error(error.stack);
+        })
+        .finally(() => {
+          this.timeout = null;
+          this.logger.debug(`Job finished`);
+        });
     }, this.timeoutMs);
     this.logger.info(`Job scheduled with timeout ${this.timeoutMs} ms`);
     return true;
   }
 
   cancel() {
+    if (!this.timeout) {
+      return;
+    }
     clearTimeout(this.timeout);
     this.timeout = null;
     this.logger.info(`Job cancelled`);

src/utils/SinglePeriodicJobRunner.ts

@@ -40,16 +40,24 @@ export class SinglePeriodicJobRunner {
 
       this.isWorking = true;
       this.logger.debug('Running job...');
-      fn().finally(() => {
-        this.isWorking = false;
-        this.logger.debug(`Job finished`);
-      });
+      fn()
+        .catch((error) => {
+          this.logger.error(`Job failed: ${error}`);
+          this.logger.error(error.stack);
+        })
+        .finally(() => {
+          this.isWorking = false;
+          this.logger.debug(`Job finished`);
+        });
     }, this.intervalMs);
     this.logger.info(`Job started with interval ${this.intervalMs} ms`);
     return true;
   }
 
   stop() {
+    if (!this.interval) {
+      return;
+    }
     clearInterval(this.interval);
     this.interval = null;
     this.logger.info(`Job stopped`);

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/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();
+  }
+}