matrix-docker-ansible-deploy/docs/configuring-playbook-bridge-mautrix-whatsapp.md
Suguru Hirahara fb05eace5a
Edit instructions to obtain an access token
Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
2024-12-23 18:17:10 +09:00

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# Setting up Mautrix Whatsapp bridging (optional)
The playbook can install and configure [mautrix-whatsapp](https://github.com/mautrix/whatsapp) for you.
See the project's [documentation](https://docs.mau.fi/bridges/go/whatsapp/index.html) to learn what it does and why it might be useful to you.
## Prerequisite (optional)
If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) or [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) service for this playbook.
For details about configuring Double Puppeting for this bridge, see the section below: [Set up Double Puppeting](#-set-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:
```yaml
matrix_mautrix_whatsapp_enabled: true
```
Whatsapp multidevice beta is required, now it is enough if Whatsapp is connected to the Internet every 2 weeks.
The relay bot functionality is off by default. If you would like to enable the relay bot, add the following to your `vars.yml` file:
```yaml
matrix_mautrix_whatsapp_bridge_relay_enabled: true
```
By default, only admins are allowed to set themselves as relay users. To allow anyone on your homeserver to set themselves as relay users add this to your `vars.yml` file:
```yaml
matrix_mautrix_whatsapp_bridge_relay_admin_only: false
```
If you want to activate the relay bot in a room, send `!wa set-relay`. To deactivate, send `!wa unset-relay`.
## Installing
After configuring the playbook, run it with [playbook tags](playbook-tags.md) as below:
<!-- NOTE: let this conservative command run (instead of install-all) to make it clear that failure of the command means something is clearly broken. -->
```sh
ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,ensure-matrix-users-created,start
```
**Notes**:
- The `ensure-matrix-users-created` playbook tag makes the playbook automatically create the bot's user account.
- The shortcut commands with the [`just` program](just.md) are also available: `just install-all` or `just setup-all`
`just install-all` is useful for maintaining your setup quickly ([2x-5x faster](../CHANGELOG.md#2x-5x-performance-improvements-in-playbook-runtime) than `just setup-all`) when its components remain unchanged. If you adjust your `vars.yml` to remove other components, you'd need to run `just setup-all`, or these components will still remain installed.
## Usage
To use the bridge, you need to start a chat with `@whatsappbot:example.com` (where `example.com` is your base domain, not the `matrix.` domain).
### 💡 Set up Double Puppeting
After successfully enabling bridging, you may wish to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do).
To set it up, you have 2 ways of going about it.
#### Method 1: automatically, by enabling Appservice Double Puppet or Shared Secret Auth
The bridge automatically performs Double Puppeting if [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) or [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) service is configured and enabled on the server for this playbook.
Enabling [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) is the recommended way of setting up Double Puppeting, as it's easier to accomplish, works for all your users automatically, and has less of a chance of breaking in the future.
Enabling double puppeting by enabling the [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) service works at the time of writing, but is deprecated and will stop working in the future.
#### Method 2: manually, by asking each user to provide a working access token
When using this method, **each user** that wishes to enable Double Puppeting needs to follow the following steps:
- retrieve a Matrix access token for yourself. Refer to the documentation on [how to obtain one](obtaining-access-tokens.md).
- send the access token to the bot. Example: `login-matrix MATRIX_ACCESS_TOKEN_HERE`
- make sure you don't log out the `Mautrix-Whatsapp` device some time in the future, as that would break the Double Puppeting feature