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Add support for bridging to Facebook Messenger and Instagram via maut…
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…rix-meta

Related to: mautrix/facebook#332

Fixes: #3138
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spantaleev committed Feb 19, 2024
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17 changes: 17 additions & 0 deletions CHANGELOG.md
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# 2024-02-19

## Support for bridging to Facebook/Messenger via the new mautrix-meta bridge

The [mautrix-facebook](./docs/configuring-playbook-bridge-mautrix-facebook.md) and [mautrix-instagram](./docs/configuring-playbook-bridge-mautrix-instagram.md) bridges are being [superseded by a new bridge](https://github.com/mautrix/facebook/issues/332) - the [mautrix-meta](https://github.com/mautrix/meta) bridge.

The playbook now supports the new mautrix-meta bridge - a single bridge, which can run in different modes and bridge to Messenger (via [Facebook](https://facebook.com/), Facebook over [Tor](https://www.torproject.org/) or via [Messenger](https://messenger.com/)) and [Instagram](https://instagram.com/). The playbook makes this bridge available via 2 separate Ansible roles, allowing you to easily run 2 instances of mautrix-meta, for bridging to both services at the same time.

If you're using mautrix-facebook or mautrix-instagram right now, **you can still continue using the old bridges, but may wish to change to the new bridge implementations**. See:

- [Setting up Instagram bridging via Mautrix Meta](docs/configuring-playbook-bridge-mautrix-meta-instagram.md)

- [Setting up Messenger bridging via Mautrix Meta](docs/configuring-playbook-bridge-mautrix-meta-messenger.md)

The documentation pages contain more information on how to migrate.


# 2024-02-14

## Much larger Synapse caches and cache auto-tuning enabled by default
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39 changes: 39 additions & 0 deletions bin/rebuild-mautrix-meta-instagram.sh
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#!/bin/bash
set -euxo pipefail

# This script rebuilds the mautrix-meta-instagram Ansible role, using the mautrix-meta-messenger role as a source.

if [ $# -eq 0 ]; then
echo "Error: No argument supplied. Please provide the path to the roles/custom directory."
exit 1
fi

roles_path=$1

messenger_role_path=$roles_path/matrix-bridge-mautrix-meta-messenger
instagram_role_path=$roles_path/matrix-bridge-mautrix-meta-instagram

if [ ! -d $messenger_role_path ]; then
echo "Cannot find: $messenger_role_path"
exit 1
fi

if [ -d $instagram_role_path ]; then
rm -rf $instagram_role_path
fi

cp -ar $messenger_role_path $instagram_role_path

find "$instagram_role_path" -type f | while read -r file; do
sed --in-place 's/matrix_mautrix_meta_messenger_/matrix_mautrix_meta_instagram_/g' "$file"
sed --in-place 's/mautrix-meta-messenger/mautrix-meta-instagram/g' "$file"
done

sed --in-place 's/matrix_mautrix_meta_instagram_meta_mode: \(.*\)/matrix_mautrix_meta_instagram_meta_mode: instagram/g' $instagram_role_path/defaults/main.yml
sed --in-place 's/matrix_mautrix_meta_instagram_identifier: \(.*\)/matrix_mautrix_meta_instagram_identifier: matrix-mautrix-meta-instagram/g' $instagram_role_path/defaults/main.yml

echo "# matrix-mautrix-meta-instagram" > $instagram_role_path/README.md
echo "" >> $instagram_role_path/README.md
echo "This bridge role is derived from the matrix-mautrix-meta-messenger Ansible role via automatic changes (see \`just rebuild-mautrix-meta-instagram\` or \`bin/rebuild-mautrix-meta-instagram.sh\`)." >> $instagram_role_path/README.md
echo "" >> $instagram_role_path/README.md
echo "If you'd like to make a change to this role, consider making it to the \`matrix-mautrix-meta-messenger\` role instead." >> $instagram_role_path/README.md
2 changes: 2 additions & 0 deletions docs/configuring-playbook-bridge-mautrix-facebook.md
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# Setting up Mautrix Facebook (optional)

**Note**: bridging to Facebook [Messenger](https://messenger.com) via this bridge is being [superseded by a new bridge - mautrix-meta](https://github.com/mautrix/facebook/issues/332). For now, the mautrix-facebook bridge continues to work, but the new [mautrix-meta-messenger bridge](./configuring-playbook-bridge-mautrix-meta-messenger.md) is better and more supported. Consider using that bridge instead of this one.

The playbook can install and configure [mautrix-facebook](https://github.com/mautrix/facebook) for you.

See the project's [documentation](https://github.com/mautrix/facebook/blob/master/ROADMAP.md) to learn what it does and why it might be useful to you.
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2 changes: 2 additions & 0 deletions docs/configuring-playbook-bridge-mautrix-instagram.md
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# Setting up Mautrix Instagram (optional)

**Note**: bridging to Facebook [Instagram](https://instagram.com) via this bridge is being [superseded by a new bridge - mautrix-meta](https://github.com/mautrix/facebook/issues/332). For now, the mautrix-instagram bridge continues to work, but the new [mautrix-meta-instagram bridge](./configuring-playbook-bridge-mautrix-meta-instagram.md) is better and more supported. Consider using that bridge instead of this one.

The playbook can install and configure [mautrix-instagram](https://github.com/mautrix/instagram) for you.

See the project's [documentation](https://docs.mau.fi/bridges/python/instagram/index.html) to learn what it does and why it might be useful to you.
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90 changes: 90 additions & 0 deletions docs/configuring-playbook-bridge-mautrix-meta-instagram.md
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# Setting up Instagram bridging via Mautrix Meta (optional)

The playbook can install and configure the [mautrix-meta](https://github.com/mautrix/meta) Messenger/Instagram bridge for you.

Since this bridge component can bridge to both [Messenger](https://messenger.com/) and [Instagram](https://instagram.com/) and you may wish to do both at the same time, the playbook makes it available via 2 different Ansible roles (`matrix-bridge-mautrix-meta-messenger` and `matrix-bridge-mautrix-meta-instagram`). The latter is a reconfigured copy of the first one (created by `just rebuild-mautrix-meta-instagram` and `bin/rebuild-mautrix-meta-instagram.sh`).

This documentation page only deals with the bridge's ability to bridge to Instagram. For bridging to Facebook/Messenger, see [Setting up Messenger bridging via Mautrix Meta](configuring-playbook-bridge-mautrix-meta-messenger.md).


## Migrating from the old mautrix-instagram bridge

If you've been using the [mautrix-instagram](./configuring-playbook-bridge-mautrix-instagram.md) bridge, **you'd better get rid of it first** or the 2 bridges will be in conflict:

- both trying to use `@instagrambot:YOUR_DOMAIN` as their username. This conflict may be resolved by adjusting `matrix_mautrix_instagram_appservice_bot_username` or `matrix_mautrix_meta_instagram_appservice_username`
- both trying to bridge the same DMs

To do so, send a `clean-rooms` command to the management room with the old bridge bot (`@instagrambot:YOUR_DOMAIN`).

This would give you a list of portals and groups of portals you may purge. Proceed with sending commands like `clean recommended`, etc.

Then, consider disabling the old bridge in your configuration, so it won't recreate the portals when you receive new messages.


## Configuration

Most simply, you can enable the bridge with the following playbook configuration:

```yaml
matrix_mautrix_meta_instagram_enabled: true
```
Before proceeding to [re-running the playbook](./installing.md), you may wish to adjust the configuration further. See below.
### Bridge permissions
By default, any user on your homeserver will be able to use the bridge.
Different levels of permission can be granted to users:
- `relay` - Allowed to be relayed through the bridge, no access to commands
- `user` - Use the bridge with puppeting
- `admin` - Use and administer the bridge

The permissions are following the sequence: nothing < `relay` < `user` < `admin`.

The default permissions are set via `matrix_mautrix_meta_instagram_bridge_permissions_default` and are somewhat like this:
```yaml
matrix_mautrix_meta_instagram_bridge_permissions_default:
'*': relay
YOUR_DOMAIN: user
'{{ matrix_admin }}': admin
```

If you don't define the `matrix_admin` in your configuration (e.g. `matrix_admin: @user:YOUR_DOMAIN`), then there's no admin by default.

You may redefine `matrix_mautrix_meta_instagram_bridge_permissions_default` any way you see fit, or add extra permissions using `matrix_mautrix_meta_instagram_bridge_permissions_custom` like this:

```yaml
matrix_mautrix_meta_instagram_bridge_permissions_custom: |
'@YOUR_USERNAME:YOUR_DOMAIN': admin
```

You may wish to look at `roles/custom/matrix-bridge-mautrix-meta-instagram/templates/config.yaml.j2` to find more information on the permissions settings and other options you would like to configure.

## Set up Double Puppeting

If you'd like to use [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do), you have 2 ways of going about it.

### Method 1: automatically, by enabling Shared Secret Auth

The bridge will automatically perform Double Puppeting if you enable [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) for this playbook.

This 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.

### Method 2: manually, by asking each user to provide a working access token

**Note**: This method for enabling Double Puppeting can be configured only after you've already set up bridging (see [Usage](#usage)).

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 do that](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 session for which you obtained an access token some time in the future, as that would break the Double Puppeting feature


## Usage

You then need to start a chat with `@instagrambot:YOUR_DOMAIN` (where `YOUR_DOMAIN` is your base domain, not the `matrix.` domain).
105 changes: 105 additions & 0 deletions docs/configuring-playbook-bridge-mautrix-meta-messenger.md
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# Setting up Messenger bridging via Mautrix Meta (optional)

The playbook can install and configure the [mautrix-meta](https://github.com/mautrix/meta) Messenger/Instagram bridge for you.

Since this bridge component can bridge to both [Messenger](https://messenger.com/) and [Instagram](https://instagram.com/) and you may wish to do both at the same time, the playbook makes it available via 2 different Ansible roles (`matrix-bridge-mautrix-meta-messenger` and `matrix-bridge-mautrix-meta-instagram`). The latter is a reconfigured copy of the first one (created by `just rebuild-mautrix-meta-instagram` and `bin/rebuild-mautrix-meta-instagram.sh`).

This documentation page only deals with the bridge's ability to bridge to Facebook Messenger. For bridging to Instagram, see [Setting up Instagram bridging via Mautrix Meta](configuring-playbook-bridge-mautrix-meta-instagram.md).


## Migrating from the old mautrix-facebook bridge

If you've been using the [mautrix-facebook](./configuring-playbook-bridge-mautrix-facebook.md) bridge, you may wish to get rid of it first.

To do so, send a `clean-rooms` command to the management room with the old bridge bot (`@facebookbot:YOUR_DOMAIN`).

This would give you a list of portals and groups of portals you may purge. Proceed with sending commands like `clean recommended`, etc.

Then, consider disabling the old bridge in your configuration, so it won't recreate the portals when you receive new messages.


## Configuration

Most simply, you can enable the bridge with the following playbook configuration:

```yaml
matrix_mautrix_meta_messenger_enabled: true
```
Before proceeding to [re-running the playbook](./installing.md), you may wish to adjust the configuration further. See below.
### Bridge mode
As mentioned above, the [mautrix-meta](https://github.com/mautrix/meta) bridge supports multiple modes of operation.
The bridge can pull your Messenger messages via 3 different methods:
- (`facebook`) Facebook via `facebook.com`
- (`facebook-tor`) Facebook via `facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion` ([Tor](https://www.torproject.org/)) - does not currently proxy media downloads
- (default) (`messenger`) Messenger via `messenger.com` - usable even without a Facebook account

You may switch the mode via the `matrix_mautrix_meta_messenger_meta_mode` variable. The playbook defaults to the `messenger` mode, because it's most universal (every Facebook user has a Messenger account, but the opposite is not true).

Note that switching the mode (especially between `facebook*` and `messenger`) will intentionally make the bridge use another database (`matrix_mautrix_meta_facebook` or `matrix_mautrix_meta_messenger`) to isolate the 2 instances. Switching between Tor and non-Tor may be possible without dataloss, but your mileage may vary. Before switching to a new mode, you may wish to de-configure the old one (send `help` to the bridge bot and unbridge your portals, etc.).


### Bridge permissions

By default, any user on your homeserver will be able to use the bridge.

Different levels of permission can be granted to users:

- `relay` - Allowed to be relayed through the bridge, no access to commands
- `user` - Use the bridge with puppeting
- `admin` - Use and administer the bridge

The permissions are following the sequence: nothing < `relay` < `user` < `admin`.

The default permissions are set via `matrix_mautrix_meta_messenger_bridge_permissions_default` and are somewhat like this:
```yaml
matrix_mautrix_meta_messenger_bridge_permissions_default:
'*': relay
YOUR_DOMAIN: user
'{{ matrix_admin }}': admin
```

If you don't define the `matrix_admin` in your configuration (e.g. `matrix_admin: @user:YOUR_DOMAIN`), then there's no admin by default.

You may redefine `matrix_mautrix_meta_messenger_bridge_permissions_default` any way you see fit, or add extra permissions using `matrix_mautrix_meta_messenger_bridge_permissions_custom` like this:

```yaml
matrix_mautrix_meta_messenger_bridge_permissions_custom: |
'@YOUR_USERNAME:YOUR_DOMAIN': admin
```

You may wish to look at `roles/custom/matrix-bridge-mautrix-meta-messenger/templates/config.yaml.j2` to find more information on the permissions settings and other options you would like to configure.

## Set up Double Puppeting

If you'd like to use [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do), you have 2 ways of going about it.

### Method 1: automatically, by enabling Shared Secret Auth

The bridge will automatically perform Double Puppeting if you enable [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) for this playbook.

This 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.

### Method 2: manually, by asking each user to provide a working access token

**Note**: This method for enabling Double Puppeting can be configured only after you've already set up bridging (see [Usage](#usage)).

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 do that](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 session for which you obtained an access token some time in the future, as that would break the Double Puppeting feature


## Usage

You then need to start a chat with `@messengerbot:YOUR_DOMAIN` (where `YOUR_DOMAIN` is your base domain, not the `matrix.` domain).

You then need to send a `login` command and follow the bridge bot's instructions.

Given that the bot is configured in `messenger` [bridge mode](#bridge-mode) by default, you will need to log in to [messenger.com](https://messenger.com/) (not `facebook.com`!) and obtain the cookies from there as per [the bridge's authentication instructions](https://docs.mau.fi/bridges/go/meta/authentication.html).
8 changes: 6 additions & 2 deletions docs/configuring-playbook.md
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Expand Up @@ -120,13 +120,17 @@ When you're done with all the configuration you'd like to do, continue with [Ins

- [Setting up Mautrix Whatsapp bridging](configuring-playbook-bridge-mautrix-whatsapp.md) (optional)

- [Setting up Mautrix Facebook bridging](configuring-playbook-bridge-mautrix-facebook.md) (optional)
- [Setting up Instagram bridging via Mautrix Meta](configuring-playbook-bridge-mautrix-meta-instagram.md) (optional)

- [Setting up Messenger bridging via Mautrix Meta](configuring-playbook-bridge-mautrix-meta-messenger.md) (optional)

- ~~[Setting up Mautrix Facebook bridging](configuring-playbook-bridge-mautrix-facebook.md)~~ - consider bridging to Facebook/Messenger using the new [mautrix-meta-messenger](./configuring-playbook-bridge-mautrix-meta-messenger.md) bridge (optional)

- [Setting up Mautrix Hangouts bridging](configuring-playbook-bridge-mautrix-hangouts.md) (optional)

- [Setting up Mautrix Google Chat bridging](configuring-playbook-bridge-mautrix-googlechat.md) (optional)

- [Setting up Mautrix Instagram bridging](configuring-playbook-bridge-mautrix-instagram.md) (optional)
- ~~[Setting up Mautrix Instagram bridging](configuring-playbook-bridge-mautrix-instagram.md)~~ - consider bridging to Instagram using the new [mautrix-meta-instagram](./configuring-playbook-bridge-mautrix-meta-instagram.md) bridge (optional)

- [Setting up Mautrix Twitter bridging](configuring-playbook-bridge-mautrix-twitter.md) (optional)

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