Add the matrix-rustpush-bridge role, a Matrix <-> iMessage bridge built on the mautrix-go bridgev2 framework using RustPush (OpenBubbles backend). Unlike the existing mautrix-imessage/wsproxy bridge, it talks directly to Apple's push notification service, so it needs neither a running Mac nor a wsproxy on the homeserver. Each user supplies a hardware key extracted from a Mac through the bridge bot's login flow. The bridge uses its own bot username and puppet namespace (rustpushbot, rustpush_*) so it does not collide with the wsproxy iMessage bridge. This bridge is in early development and may have stability issues.
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Setting up RustPush (iMessage) bridging (optional)
Note: This bridge is in early development and may have stability issues. It may not be desirable to deploy this to a large number of users. Your testing and feedback is appreciated.
Refer the common guide for configuring mautrix bridges: Setting up a Generic Mautrix Bridge
The playbook can install and configure RustPush bridge to iMessage for you using Apple's push notification service.
See the project's documentation to learn what it does and why it might be useful to you.
Prerequisites
Hardware Key Extraction
To use this bridge on Linux (Docker), each user needs a hardware key extracted from a real Mac. This key contains hardware identifiers needed for iMessage registration. Hardware keys can be shared by a number of users (approximately 20) before causing issues with Apple.
The key is entered interactively through the bridge bot's login flow (not configured via Ansible variables). See the upstream README for instructions on extracting the key.
If extracted from an Intel Mac, the Mac does not need to remain running after the key is extracted for this bridge to work. Apple Silicon Macs must run a NAC relay and thus must remain running.
Phone Number Registration (optional)
This bridge can not do phone number registration (PNR). The only way to have your phone number registered and used (instead of an Apple ID e-mail address) is to have an iPhone connected to your Apple account. Reference the BlueBubbles Phone Number Registration Guide for information on how to set this up.
Enable Appservice Double Puppet (optional)
If you want to set up Double Puppeting (hint: you most likely do) for this bridge automatically, you need to have enabled Appservice Double Puppet service for this playbook.
See this section on the common guide for configuring mautrix bridges for details about setting up Double Puppeting.
Adjusting the playbook configuration
To enable the bridge, add the following configuration to your inventory/host_vars/matrix.example.com/vars.yml file:
matrix_rustpush_bridge_enabled: true
Disable Backfill (optional)
Backfill can be disabled globally if desired via config. By default, the bridge will backfill from iCloud (CloudKit) and APNS if available. Backfill from chat.db is only possible when the bridge is running on MacOS.
matrix_rustpush_bridge_backfill_enabled: false
Extending the Configuration
There are some additional things you may wish to configure about the bridge.
See this section on the common guide for configuring mautrix bridges for details about variables that you can customize and the bridge's default configuration, including bridge permissions, encryption support, bot's username, etc.
Installing
After configuring the playbook, run it with playbook tags as below:
ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
Notes:
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The shortcut commands with the
justprogram are also available:just install-allorjust setup-alljust install-allis useful for maintaining your setup quickly (2x-5x faster thanjust setup-all) when its components remain unchanged. If you adjust yourvars.ymlto remove other components, you'd need to runjust setup-all, or these components will still remain installed.
Usage
To use the bridge, you need to start a chat with @rustpushbot:example.com (where example.com is your base domain, not the matrix. domain).
After logging in, the bridge will start receiving iMessages and creating portal rooms.
Troubleshooting
As with all other services, you can find the logs in systemd-journald by logging in to the server with SSH and running journalctl -fu matrix-rustpush-bridge.
Increase logging verbosity
The default logging level for this component is warn. If you want to increase the verbosity, add the following configuration to your vars.yml file and re-run the playbook:
# Valid values: fatal, error, warn, info, debug, trace
matrix_rustpush_bridge_logging_level: 'debug'
# Enable debug logging for RustPush
matrix_rustpush_bridge_rust_log: "warn,rustpushgo=info,openabsinthe=debug"