Hier wird erklärt, wie man eine Brücke (bridge) von WhatsApp zu Matrix erstellt.

Als erstes werden noch 2 Programme benötigt, diese werden mit folgendem Befehl installiert:

apt install golang-go -y && apt install libolm-dev -y

Dann von GIT mittels dem clone Befehl das benötigte REPO clonen:

git clone https://github.com/mautrix/whatsapp.git mautrix-whatsapp

Anschliessend in das Verzeichnis wechseln:

cd mautrix-whatsapp/

Führe ./build.sh aus, um die Go-Abhängigkeiten abzurufen und zu kompilieren (build.sh ruft einfach go build mit einigen zusätzlichen Flags auf).

./build.sh

Wenn die End-to-Bridge-Verschlüsselung erwünscht ist, stelle sicher, dass Sie einen C/C++-Compiler und die Olm-Dev-Header (libolm-dev auf Debian-basierten Distributionen) installiert sind. Beachte, dass libolm3 erforderlich ist, was bedeutet, dass Sie Backports auf Debian Stable verwenden müssen.

Wenn nicht, verwende ./build.sh -tags nocrypto, um die Verschlüsselung zu deaktivieren.

Konfigurieren und ausführen

Kopiere die example-config.yaml nach config.yaml
Aktualisieren die Konfiguration nach Deinen Wünschen. Du musst zumindest die Homeserver-Einstellungen, die Datenbankadresse und die Bridge-Berechtigungen ändern. Wenn etwas Erforderliches vermisst wird, weigert sich die Bridge zu starten und sagt, genau was fehlt.

cp "/root/mautrix-whatsapp/example-config.yaml" "/root/mautrix-whatsapp/config.yaml"

Editire die config.yaml, um sie an Deinen „Homeserver“ anzupassen wie folgt:

# Homeserver details.
homeserver:
    # The address that this appservice can use to connect to the homeserver.
    address: https://matrix.deine.domain
    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
    domain: matrix.deine.domain
    
    # What software is the homeserver running?
    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
    software: standard
    # The URL to push real-time bridge status to.
    # If set, the bridge will make POST requests to this URL whenever a user's whatsapp connection state changes.
    # The bridge will use the appservice as_token to authorize requests.
    status_endpoint: null
    # Endpoint for reporting per-message status.
    message_send_checkpoint_endpoint: null
    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
    async_media: false

# Application service host/registration related details.
# Changing these values requires regeneration of the registration.
appservice:
    # The address that the homeserver can use to connect to this appservice.
    address: http://192.168.0.128:29318 #interne adresse
    
    # The hostname and port where this appservice should listen.
    hostname: 0.0.0.0
    port: 29318
    
    # Database config.
    database:
        # The database type. "sqlite3-fk-wal" and "postgres" are supported.
        type: postgres
        # The database URI.
        #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
        #           https://github.com/mattn/go-sqlite3#connection-string
        #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
        #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
        uri: postgres://databaseuser:passwort@databaseip/databsename?sslmode=disable
        # Maximum number of connections. Mostly relevant for Postgres.
        max_open_conns: 20
        max_idle_conns: 2
        # Maximum connection idle time and lifetime before they're closed. Disabled if null.
        # Parsed with https://pkg.go.dev/time#ParseDuration
        max_conn_idle_time: null
        max_conn_lifetime: null
    
    # The unique ID of this appservice.
    id: whatsapp
    # Appservice bot details.
    bot:
        # Username of the appservice bot.
        username: whatsappbot
        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
        # to leave display name/avatar as-is.
        displayname: WhatsApp bridge bot
        avatar: mxc://maunium.net/NeXNQarUbrlYBiPCpprYsRqr
    # Whether or not to receive ephemeral events via appservice transactions.
    # Requires MSC2409 support (i.e. Synapse 1.22+).
    # You should disable bridge -> sync_with_custom_puppets when this is enabled.
    ephemeral_events: true
    # Should incoming events be handled asynchronously?
    # This may be necessary for large public instances with lots of messages going through.
    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
    async_transactions: false
    
    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
    as_token: "diesertokenwirdautomatischgeneriert"
    hs_token: "diesertokenwirdautomatischgeneriert"

# Segment API key to track some events, like provisioning API login and encryption errors.
segment_key: null

# Prometheus config.
metrics:
    # Enable prometheus metrics?
    enabled: false
    # IP and port where the metrics listener should be. The path is always /metrics
    listen: 127.0.0.1:8001

# Config for things that are directly sent to WhatsApp.
whatsapp:
    # Device name that's shown in the "WhatsApp Web" section in the mobile app.
    os_name: Mautrix-WhatsApp bridge
    # Browser name that determines the logo shown in the mobile app.
    # Must be "unknown" for a generic icon or a valid browser name if you want a specific icon.
    # List of valid browser names: https://github.com/tulir/whatsmeow/blob/8b34d886d543b72e5f4699cf5b2797f68d598f78/binary/proto/def.proto#L38-L51
    browser_name: unknown

# Bridge config
bridge:
    # Localpart template of MXIDs for WhatsApp users.
    # {{.}} is replaced with the phone number of the WhatsApp user.
    username_template: whatsapp_{{.}}
    # Displayname template for WhatsApp users.
    # {{.PushName}}     - nickname set by the WhatsApp user
    # {{.BusinessName}} - validated WhatsApp business name
    # {{.Phone}}        - phone number (international format)
    # The following variables are also available, but will cause problems on multi-user instances:
    # {{.FullName}}  - full name from contact list
    # {{.FirstName}} - first name from contact list
    displayname_template: "{{if .BusinessName}}{{.BusinessName}}{{else if .PushName}}{{.PushName}}{{else}}{{.JID}}{{end}} (WA)"
    # Should the bridge create a space for each logged-in user and add bridged rooms to it?
    # Users who logged in before turning this on should run `!wa sync space` to create and fill the space for the first time.
    personal_filtering_spaces: false
    # Should the bridge send a read receipt from the bridge bot when a message has been sent to WhatsApp?
    delivery_receipts: false
    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
    message_status_events: false
    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
    message_error_notices: true
    # Should incoming calls send a message to the Matrix room?
    call_start_notices: true
    # Should another user's cryptographic identity changing send a message to Matrix?
    identity_change_notices: false
    portal_message_buffer: 128
    # Settings for handling history sync payloads.
    history_sync:
        # Should the bridge create portals for chats in the history sync payload?
        create_portals: true
        # Enable backfilling history sync payloads from WhatsApp using batch sending?
        # This requires a server with MSC2716 support, which is currently an experimental feature in synapse.
        # It can be enabled by setting experimental_features -> msc2716_enabled to true in homeserver.yaml.
        # Note that prior to Synapse 1.49, there were some bugs with the implementation, especially if using event persistence workers.
        # There are also still some issues in Synapse's federation implementation.
        backfill: false
        # Use double puppets for backfilling?
        # In order to use this, the double puppets must be in the appservice's user ID namespace
        # (because the bridge can't use the double puppet access token with batch sending).
        # This only affects double puppets on the local server, double puppets on other servers will never be used.
        double_puppet_backfill: false
        # Should the bridge request a full sync from the phone when logging in?
        # This bumps the size of history syncs from 3 months to 1 year.
        request_full_sync: false
        # Configuration parameters that are sent to the phone along with the request full sync flag.
        # By default (when the values are null or 0), the config isn't sent at all.
        full_sync_config:
            # Number of days of history to request.
            # The limit seems to be around 3 years, but using higher values doesn't break.
            days_limit: null
            # This is presumably the maximum size of the transferred history sync blob, which may affect what the phone includes in the blob.
            size_mb_limit: null
            # This is presumably the local storage quota, which may affect what the phone includes in the history sync blob.
            storage_quota_mb: null
        # Settings for media requests. If the media expired, then it will not
        # be on the WA servers.
        # Media can always be requested by reacting with the ♻️ (recycle) emoji.
        # These settings determine if the media requests should be done
        # automatically during or after backfill.
        media_requests:
            # Should expired media be automatically requested from the server as
            # part of the backfill process?
            auto_request_media: true
            # Whether to request the media immediately after the media message
            # is backfilled ("immediate") or at a specific time of the day
            # ("local_time").
            request_method: immediate
            # If request_method is "local_time", what time should the requests
            # be sent (in minutes after midnight)?
            request_local_time: 120
        # The maximum number of initial conversations that should be synced.
        # Other conversations will be backfilled on demand when the start PM
        # provisioning endpoint is used or when a message comes in from that
        # chat.
        max_initial_conversations: -1
        # If this value is greater than 0, then if the conversation's last
        # message was more than this number of hours ago, then the conversation
        # will automatically be marked it as read.
        # Conversations that have a last message that is less than this number
        # of hours ago will have their unread status synced from WhatsApp.
        unread_hours_threshold: 0
        # Settings for immediate backfills. These backfills should generally be
        # small and their main purpose is to populate each of the initial chats
        # (as configured by max_initial_conversations) with a few messages so
        # that you can continue conversations without loosing context.
        immediate:
            # The number of concurrent backfill workers to create for immediate
            # backfills. Note that using more than one worker could cause the
            # room list to jump around since there are no guarantees about the
            # order in which the backfills will complete.
            worker_count: 1
            # The maximum number of events to backfill initially.
            max_events: 10
        # Settings for deferred backfills. The purpose of these backfills are
        # to fill in the rest of the chat history that was not covered by the
        # immediate backfills. These backfills generally should happen at a
        # slower pace so as not to overload the homeserver.
        # Each deferred backfill config should define a "stage" of backfill
        # (i.e. the last week of messages). The fields are as follows:
        # - start_days_ago: the number of days ago to start backfilling from.
        #     To indicate the start of time, use -1. For example, for a week ago, use 7.
        # - max_batch_events: the number of events to send per batch.
        # - batch_delay: the number of seconds to wait before backfilling each batch.
        deferred:
            # Last Week
            - start_days_ago: 7
              max_batch_events: 20
              batch_delay: 5
            # Last Month
            - start_days_ago: 30
              max_batch_events: 50
              batch_delay: 10
            # Last 3 months
            - start_days_ago: 90
              max_batch_events: 100
              batch_delay: 10
            # The start of time
            - start_days_ago: -1
              max_batch_events: 500
              batch_delay: 10
    # Should puppet avatars be fetched from the server even if an avatar is already set?
    user_avatar_sync: true
    # Should Matrix users leaving groups be bridged to WhatsApp?
    bridge_matrix_leave: true
    # Should the bridge sync with double puppeting to receive EDUs that aren't normally sent to appservices.
    sync_with_custom_puppets: false
    # Should the bridge update the m.direct account data event when double puppeting is enabled.
    # Note that updating the m.direct event is not atomic (except with mautrix-asmux)
    # and is therefore prone to race conditions.
    sync_direct_chat_list: false
    # Should the bridge use MSC2867 to bridge manual "mark as unread"s from
    # WhatsApp and set the unread status on initial backfill?
    # This will only work on clients that support the m.marked_unread or
    # com.famedly.marked_unread room account data.
    sync_manual_marked_unread: true
    # When double puppeting is enabled, users can use `!wa toggle` to change whether
    # presence and read receipts are bridged. These settings set the default values.
    # Existing users won't be affected when these are changed.
    default_bridge_receipts: true
    default_bridge_presence: true
    # Send the presence as "available" to whatsapp when users start typing on a portal.
    # This works as a workaround for homeservers that do not support presence, and allows
    # users to see when the whatsapp user on the other side is typing during a conversation.
    send_presence_on_typing: false
    # Should the bridge always send "active" delivery receipts (two gray ticks on WhatsApp)
    # even if the user isn't marked as online (e.g. when presence bridging isn't enabled)?
    #
    # By default, the bridge acts like WhatsApp web, which only sends active delivery
    # receipts when it's in the foreground.
    force_active_delivery_receipts: false
    # Servers to always allow double puppeting from
    double_puppet_server_map:
        example.com: https://matrix.deine.domain
    # Allow using double puppeting from any server with a valid client .well-known file.
    double_puppet_allow_discovery: false
    # Shared secrets for https://github.com/devture/matrix-synapse-shared-secret-auth
    #
    # If set, double puppeting will be enabled automatically for local users
    # instead of users having to find an access token and run `login-matrix`
    # manually.
    login_shared_secret_map:
        example.com: foobar
    # Should the bridge explicitly set the avatar and room name for private chat portal rooms?
    # This is implicitly enabled in encrypted rooms.
    private_chat_portal_meta: false
    # Should group members be synced in parallel? This makes member sync faster
    parallel_member_sync: false
    # Should Matrix m.notice-type messages be bridged?
    bridge_notices: true
    # Set this to true to tell the bridge to re-send m.bridge events to all rooms on the next run.
    # This field will automatically be changed back to false after it, except if the config file is not writable.
    resend_bridge_info: false
    # When using double puppeting, should muted chats be muted in Matrix?
    mute_bridging: false
    # When using double puppeting, should archived chats be moved to a specific tag in Matrix?
    # Note that WhatsApp unarchives chats when a message is received, which will also be mirrored to Matrix.
    # This can be set to a tag (e.g. m.lowpriority), or null to disable.
    archive_tag: null
    # Same as above, but for pinned chats. The favorite tag is called m.favourite
    pinned_tag: null
    # Should mute status and tags only be bridged when the portal room is created?
    tag_only_on_create: true
    # Should WhatsApp status messages be bridged into a Matrix room?
    # Disabling this won't affect already created status broadcast rooms.
    enable_status_broadcast: true
    # Should sending WhatsApp status messages be allowed?
    # This can cause issues if the user has lots of contacts, so it's disabled by default.
    disable_status_broadcast_send: true
    # Should the status broadcast room be muted and moved into low priority by default?
    # This is only applied when creating the room, the user can unmute it later.
    mute_status_broadcast: true
    # Tag to apply to the status broadcast room.
    status_broadcast_tag: m.lowpriority
    # Should the bridge use thumbnails from WhatsApp?
    # They're disabled by default due to very low resolution.
    whatsapp_thumbnail: false
    # Allow invite permission for user. User can invite any bots to room with whatsapp
    # users (private chat and groups)
    allow_user_invite: false
    # Whether or not created rooms should have federation enabled.
    # If false, created portal rooms will never be federated.
    federate_rooms: true
    # Should the bridge never send alerts to the bridge management room?
    # These are mostly things like the user being logged out.
    disable_bridge_alerts: false
    # Should the bridge stop if the WhatsApp server says another user connected with the same session?
    # This is only safe on single-user bridges.
    crash_on_stream_replaced: false
    # Should the bridge detect URLs in outgoing messages, ask the homeserver to generate a preview,
    # and send it to WhatsApp? URL previews can always be sent using the `com.beeper.linkpreviews`
    # key in the event content even if this is disabled.
    url_previews: false
    # Send captions in the same message as images. This will send data compatible with both MSC2530 and MSC3552.
    # This is currently not supported in most clients.
    caption_in_message: false
    # Should polls be sent using MSC3381 event types?
    extev_polls: false
    # Should Matrix edits be bridged to WhatsApp edits?
    # Official WhatsApp clients don't render edits yet, but once they do, the bridge should work with them right away.
    send_whatsapp_edits: false
    # Maximum time for handling Matrix events. Duration strings formatted for https://pkg.go.dev/time#ParseDuration
    # Null means there's no enforced timeout.
    message_handling_timeout:
        # Send an error message after this timeout, but keep waiting for the response until the deadline.
        # This is counted from the origin_server_ts, so the warning time is consistent regardless of the source of delay.
        # If the message is older than this when it reaches the bridge, the message won't be handled at all.
        error_after: null
        # Drop messages after this timeout. They may still go through if the message got sent to the servers.
        # This is counted from the time the bridge starts handling the message.
        deadline: 120s
    
    # The prefix for commands. Only required in non-management rooms.
    command_prefix: "!wa"
    
    # Messages sent upon joining a management room.
    # Markdown is supported. The defaults are listed below.
    management_room_text:
        # Sent when joining a room.
        welcome: "Hello, I'm a WhatsApp bridge bot."
        # Sent when joining a management room and the user is already logged in.
        welcome_connected: "Use `help` for help."
        # Sent when joining a management room and the user is not logged in.
        welcome_unconnected: "Use `help` for help or `login` to log in."
        # Optional extra text sent when joining a management room.
        additional_help: ""
    
    # End-to-bridge encryption support options.
    #
    # See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
    encryption:
        # Allow encryption, work in group chat rooms with e2ee enabled
        allow: false
        # Default to encryption, force-enable encryption in all portals the bridge creates
        # This will cause the bridge bot to be in private chats for the encryption to work properly.
        default: true
        # Whether to use MSC2409/MSC3202 instead of /sync long polling for receiving encryption-related data.
        appservice: false
        # Require encryption, drop any unencrypted messages.
        require: false
        # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
        # You must use a client that supports requesting keys from other users to use this feature.
        allow_key_sharing: false
        # What level of device verification should be required from users?
        #
        # Valid levels:
        #   unverified - Send keys to all device in the room.
        #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
        #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
        #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
        #                           Note that creating user signatures from the bridge bot is not currently possible.
        #   verified - Require manual per-device verification
        #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
        verification_levels:
            # Minimum level for which the bridge should send keys to when bridging messages from WhatsApp to Matrix.
            receive: unverified
            # Minimum level that the bridge should accept for incoming Matrix messages.
            send: unverified
            # Minimum level that the bridge should require for accepting key requests.
            share: cross-signed-tofu
        # Options for Megolm room key rotation. These options allow you to
        # configure the m.room.encryption event content. See:
        # https://spec.matrix.org/v1.3/client-server-api/#mroomencryption for
        # more information about that event.
        rotation:
            # Enable custom Megolm room key rotation settings. Note that these
            # settings will only apply to rooms created after this option is
            # set.
            enable_custom: false
            # The maximum number of milliseconds a session should be used
            # before changing it. The Matrix spec recommends 604800000 (a week)
            # as the default.
            milliseconds: 604800000
            # The maximum number of messages that should be sent with a given a
            # session before changing it. The Matrix spec recommends 100 as the
            # default.
            messages: 100
    
    # Settings for provisioning API
    provisioning:
        # Prefix for the provisioning API paths.
        prefix: /_matrix/provision
        # Shared secret for authentication. If set to "generate", a random secret will be generated,
        # or if set to "disable", the provisioning API will be disabled.
        shared_secret: 69NwvNKLhLku8dgxqRaTSaoV5qklQfaJqs71OsEqjDkogAdd8rw9nM6UN6zDHonh
    
    # Permissions for using the bridge.
    # Permitted values:
    #    relay - Talk through the relaybot (if enabled), no access otherwise
    #     user - Access to use the bridge to chat with a WhatsApp account.
    #    admin - User level and some additional administration tools
    # Permitted keys:
    #        * - All Matrix users
    #   domain - All users on that homeserver
    #     mxid - Specific user
    permissions:
        "*": relay
        "matrix.domain": user
        "@admin:matrix.deine.domain": admin
    
    # Settings for relay mode
    relay:
        # Whether relay mode should be allowed. If allowed, `!wa set-relay` can be used to turn any
        # authenticated user into a relaybot for that chat.
        enabled: false
        # Should only admins be allowed to set themselves as relay users?
        admin_only: true
        # The formats to use when sending messages to WhatsApp via the relaybot.
        message_formats:
            m.text: "<b>{{ .Sender.Displayname }}</b>: {{ .Message }}"
            m.notice: "<b>{{ .Sender.Displayname }}</b>: {{ .Message }}"
            m.emote: "* <b>{{ .Sender.Displayname }}</b> {{ .Message }}"
            m.file: "<b>{{ .Sender.Displayname }}</b> sent a file"
            m.image: "<b>{{ .Sender.Displayname }}</b> sent an image"
            m.audio: "<b>{{ .Sender.Displayname }}</b> sent an audio file"
            m.video: "<b>{{ .Sender.Displayname }}</b> sent a video"
            m.location: "<b>{{ .Sender.Displayname }}</b> sent a location"

# Logging config.
logging:
    # The directory for log files. Will be created if not found.
    directory: ./logs
    # Available variables: .Date for the file date and .Index for different log files on the same day.
    # Set this to null to disable logging to file.
    file_name_format: "{{.Date}}-{{.Index}}.log"
    # Date format for file names in the Go time format: https://golang.org/pkg/time/#pkg-constants
    file_date_format: "2006-01-02"
    # Log file permissions.
    file_mode: 0o600
    # Timestamp format for log entries in the Go time format.
    timestamp_format: "Jan _2, 2006 15:04:05"
    # Minimum severity for log messages printed to stdout/stderr. This doesn't affect the log file.
    # Options: debug, info, warn, error, fatal
    print_level: debug

Generiere die Appservice-Registrierungsdatei, indem du ./mautrix-whatsapp -g ausführst.
Registrieren die Bridge auf Deinem Homeserver.
Führe die Brücke mit ./mautrix-whatsapp aus.

./mautrix-whatsapp -g

In der Homeserver.yaml müssen dann noch der Pfad für die Registrieungsdatei in der app_service_config_files eingetragen werden:

nano "/etc/matrix-synapse/homeserver.yaml"
# A list of application service config files to use
#
app_service_config_files:
   - "/etc/matrix-synapse/conf.d/registration.yaml"

Die Datei noch kopieren in den oben angegebenen Pfad mit:

cp "/root/mautrix-whatsapp/registration.yaml" "/etc/matrix-synapse/conf.d/registration.yaml"

Damit die Datei auch verlässlich gelesen werden kann, muss die notation 644 gesetzt werden:

chmod 644 "/etc/matrix-synapse/conf.d/registration.yaml"

Nun starten wir den matrix-synapse.service neu mit:

systemctl restart matrix-synapse.service

Der Whatsappbot wird nun mit ./mautrix-whatsapp gestartet:

./mautrix-whatsapp

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