Add matrix-steam-bridge (#4572)

* Documentation update

* New files for role

* Update existing files to add support for matrix-steam-bridge

* Typos and misc fixes

* Change docker tag to latest until version # is stable

* Align bridge permissions

* Correct user localpart

* Remove trailing +

* Fix syslog identifier

* Actually enable the service correctly

* One more typo fix

* Third time's the charm

* Fix config file paths

* Fix config after bridge repo changes

* Add default appservice public address - set public_media to false by default for testing

* Fix default config for steamkit-service path

* Fix bluesky reference

* Fix default container path

* Fix appservice connection to http for internal, change port to standard 8080

* Fix appservice port

* Enable public_media by default, add labels

* Enable public_media by default, add labels

* Allow bridge to update its own config and generate public_media signing key

* Add deterministic public_media_signing_key, expose portal cleanup

* Change default public_media path to omit `matrix.` from the path as it has been found that URLs generated by the bridge will only match {{ matrix_domain }}

* Remove domain re-write

* Revert "Change default public_media path to omit `matrix.` from the path as it has been found that URLs generated by the bridge will only match {{ matrix_domain }}"

This reverts commit 5f399effb9.

* Fix TLS label if playbook TLS is disabled

* Match default bridge TLS config

* Related to 3daf14d69 and 60ab08014 which enable async media by default for mautrix-go bridges

* Adjust matrix-bridge-steam files to add new line at the end of files

* Pin matrix-bridge-steam (latest -> 1.0.3)

---------

Co-authored-by: Slavi Pantaleev <slavi@devture.com>

README.md

@@ -141,6 +141,7 @@ Bridges can be used to connect your Matrix installation with third-party communi
 | [mx-puppet-discord](https://gitlab.com/mx-puppet/discord/mx-puppet-discord) | ❌ | Bridge to [Discord](https://discordapp.com/) | [Link](docs/configuring-playbook-bridge-mx-puppet-discord.md) |
 | [mx-puppet-groupme](https://gitlab.com/xangelix-pub/matrix/mx-puppet-groupme) | ❌ | Bridge to [GroupMe](https://groupme.com/) | [Link](docs/configuring-playbook-bridge-mx-puppet-groupme.md) |
 | [mx-puppet-steam](https://github.com/icewind1991/mx-puppet-steam) | ❌ | Bridge to [Steam](https://steamapp.com/) | [Link](docs/configuring-playbook-bridge-mx-puppet-steam.md) |
+| [matrix-steam-bridge](https://github.com/jasonlaguidice/matrix-steam-bridge) | ❌ | Bridge to [Steam](https://steampowered.com/) | [Link](docs/configuring-playbook-bridge-steam.md) |
 | [Postmoogle](https://github.com/etkecc/postmoogle) | ❌ | Email to Matrix bridge | [Link](docs/configuring-playbook-bridge-postmoogle.md) |
 
 ### Bots

docs/configuring-playbook-bridge-mx-puppet-steam.md

@@ -7,7 +7,9 @@ SPDX-FileCopyrightText: 2024 - 2025 Suguru Hirahara
 SPDX-License-Identifier: AGPL-3.0-or-later
 -->
 
-# Setting up MX Puppet Steam bridging (optional)
+# Setting up MX Puppet Steam bridging (optional, deprecated)
+
+**Note**: This bridge has been deprecated in favor of the [matrix-steam-bridge](https://github.com/jasonlaguidice/matrix-steam-bridge) bridge for Steam, which can be [installed using this playbook](configuring-playbook-bridge-steam.md). Consider using that bridge instead of this one.
 
 The playbook can install and configure [mx-puppet-steam](https://github.com/icewind1991/mx-puppet-steam) for you.
 

docs/configuring-playbook-bridge-steam.md

@@ -0,0 +1,48 @@
+<!--
+SPDX-FileCopyrightText: 2025 Jason LaGuidice
+
+SPDX-License-Identifier: AGPL-3.0-or-later
+-->
+
+# Setting up Steam bridging (optional)
+
+The playbook can install and configure [matrix-steam-bridge](https://github.com/jasonlaguidice/matrix-steam-bridge) for you.
+
+See the project's [documentation](https://github.com/jasonlaguidice/matrix-steam-bridge/blob/main/README.md) to learn what it does and why it might be useful to you.
+
+## Adjusting the playbook configuration
+
+To enable the [Steam](https://steampowered.com/) bridge, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
+
+```yaml
+matrix_steam_bridge_enabled: true
+```
+
+## 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,start
+```
+
+The shortcut commands with the [`just` program](just.md) are also available: `just install-all` and `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. Note these shortcuts run the `ensure-matrix-users-created` tag too.
+
+The tag for `just` commands for this bridge is `matrix-steam-bridge` - for example: `just install-service matrix-steam-bridge`
+
+## Usage
+
+To use the bridge, you need to start a chat with `Steam bridge bot` with the handle `@steambot:example.com` (where `example.com` is your base domain, not the `matrix.` domain).
+
+The bridge supports QR code and password-based login as well as SteamGuard codes via app, SMS, or e-mail. See matrix-steam-bridge [documentation](https://github.com/jasonlaguidice/matrix-steam-bridge) for more information about how to configure the bridge.
+
+To login, send `login [flow ID]` where possible flow IDs are `password` or `qr`
+
+Once logged in, send `search [name]` to search through recognized Steam friends. You can send a user name, display name, or all forms of Steam ID. Send `start-chat [identifier]` to request the bridge bot to open a chat room with a user.
+
+Chat rooms will automatically be opened as new messages are received.
+
+Send `help` to the bot to see the available commands.

docs/configuring-playbook.md

@@ -184,6 +184,8 @@ Bridges can be used to connect your Matrix installation with third-party communi
 
 - [Setting up MX Puppet GroupMe bridging](configuring-playbook-bridge-mx-puppet-groupme.md)
 
+- [Setting up Steam bridging](configuring-playbook-bridge-steam.md)
+
 - [Setting up MX Puppet Steam bridging](configuring-playbook-bridge-mx-puppet-steam.md)
 
 - [Setting up Go Skype Bridge bridging](configuring-playbook-bridge-go-skype-bridge.md)

docs/container-images.md

@@ -114,6 +114,7 @@ Bridges can be used to connect your Matrix installation with third-party communi
 | [mx-puppet-twitter](configuring-playbook-bridge-mx-puppet-twitter.md) | [sorunome/mx-puppet-twitter](https://hub.docker.com/r/sorunome/mx-puppet-twitter) | ❌ | Bridge for Twitter-DMs ([Twitter](https://twitter.com/)) |
 | [mx-puppet-discord](configuring-playbook-bridge-mx-puppet-discord.md) | [mx-puppet/discord/mx-puppet-discord](https://gitlab.com/mx-puppet/discord/mx-puppet-discord/container_registry) | ❌ | Bridge to [Discord](https://discordapp.com/) |
 | [mx-puppet-groupme](configuring-playbook-bridge-mx-puppet-groupme.md) | [xangelix/mx-puppet-groupme](https://hub.docker.com/r/xangelix/mx-puppet-groupme) | ❌ | Bridge to [GroupMe](https://groupme.com/) |
+| [matrix-steam-bridge](configuring-playbook-bridge-steam.md) | [jasonlaguidice/matrix-steam-bridge](https://github.com/jasonlaguidice/matrix-steam-bridge/pkgs/container/matrix-steam-bridge) | ❌ | Bridge to [Steam](https://steampowered.com/) |
 | [mx-puppet-steam](configuring-playbook-bridge-mx-puppet-steam.md) | [icewind1991/mx-puppet-steam](https://hub.docker.com/r/icewind1991/mx-puppet-steam) | ❌ | Bridge to [Steam](https://steamapp.com/) |
 | [Postmoogle](configuring-playbook-bridge-postmoogle.md) | [etke.cc/postmoogle](https://github.com/etkecc/postmoogle/container_registry) | ❌ | Email to Matrix bridge |
 

group_vars/matrix_servers

@@ -162,6 +162,8 @@ matrix_homeserver_container_extra_arguments_auto: |
     +
     (['--mount type=bind,src=' + matrix_sms_bridge_config_path + '/registration.yaml,dst=/matrix-sms-bridge-registration.yaml,ro'] if matrix_sms_bridge_enabled else [])
     +
+    (['--mount type=bind,src=' + matrix_steam_bridge_config_path + '/registration.yaml,dst=/matrix-steam-bridge-registration.yaml,ro'] if matrix_steam_bridge_enabled else [])
+    +
     (['--mount type=bind,src=' + matrix_cactus_comments_app_service_config_file + ',dst=/matrix-cactus-comments.yaml,ro'] if matrix_cactus_comments_enabled else [])
   }}
 
@@ -236,6 +238,8 @@ matrix_homeserver_app_service_config_files_auto: |
     (['/matrix-sms-bridge-registration.yaml'] if matrix_sms_bridge_enabled else [])
     +
     (['/matrix-cactus-comments.yaml'] if matrix_cactus_comments_enabled else [])
+    +
+    (['/matrix-steam-bridge-registration.yaml'] if matrix_steam_bridge_enabled else [])
   }}
 
 matrix_addons_homeserver_container_network: "{{ matrix_playbook_reverse_proxy_container_network if matrix_playbook_internal_matrix_client_api_traefik_entrypoint_enabled else matrix_homeserver_container_network }}"
@@ -381,6 +385,8 @@ devture_systemd_service_manager_services_list_auto: |
     +
     ([{'name': 'matrix-sms-bridge.service', 'priority': 2000, 'groups': ['matrix', 'bridges', 'sms']}] if matrix_sms_bridge_enabled else [])
     +
+    ([{'name': 'matrix-steam-bridge.service', 'priority': 2000, 'groups': ['matrix', 'bridges', 'matrix-steam-bridge']}] if matrix_steam_bridge_enabled else [])
+    +
     ([{'name': 'matrix-cactus-comments.service', 'priority': 2000, 'groups': ['matrix', 'cactus-comments']}] if matrix_cactus_comments_enabled else [])
     +
     ([{'name': 'matrix-cactus-comments-client.service', 'priority': 2000, 'groups': ['matrix', 'cactus-comments-client']}] if matrix_cactus_comments_client_enabled else [])
@@ -2767,6 +2773,82 @@ matrix_postmoogle_container_additional_networks_auto: |-
 #
 ######################################################################
 
+######################################################################
+#
+# matrix-bridge-steam
+#
+######################################################################
+
+# We don't enable bridges by default.
+matrix_steam_bridge_enabled: false
+
+matrix_steam_bridge_systemd_required_services_list_auto: |
+  {{
+    matrix_addons_homeserver_systemd_services_list
+    +
+    ([postgres_identifier ~ '.service'] if (postgres_enabled and matrix_steam_bridge_database_hostname == postgres_connection_hostname) else [])
+  }}
+
+matrix_steam_bridge_docker_image_registry_prefix_upstream: "{{ matrix_container_global_registry_prefix_override if matrix_container_global_registry_prefix_override else matrix_steam_bridge_docker_image_registry_prefix_upstream_default }}"
+
+matrix_steam_bridge_container_image_self_build: "{{ matrix_architecture not in ['amd64', 'arm64'] }}"
+
+matrix_steam_bridge_container_network: "{{ matrix_addons_container_network }}"
+
+matrix_steam_bridge_container_additional_networks_auto: |-
+  {{
+    (
+      ([] if matrix_addons_homeserver_container_network == '' else [matrix_addons_homeserver_container_network])
+      +
+      ([postgres_container_network] if (postgres_enabled and matrix_steam_bridge_database_hostname == postgres_connection_hostname and matrix_steam_bridge_container_network != postgres_container_network) else [])
+      +
+      ([matrix_playbook_reverse_proxyable_services_additional_network] if matrix_playbook_reverse_proxyable_services_additional_network and matrix_steam_bridge_container_labels_traefik_enabled else [])
+    ) | unique
+  }}
+
+matrix_steam_bridge_container_labels_traefik_enabled: "{{ matrix_playbook_reverse_proxy_type in ['playbook-managed-traefik', 'other-traefik-container'] }}"
+matrix_steam_bridge_container_labels_traefik_docker_network: "{{ matrix_playbook_reverse_proxyable_services_additional_network }}"
+matrix_steam_bridge_container_labels_traefik_entrypoints: "{{ traefik_entrypoint_primary }}"
+matrix_steam_bridge_container_labels_traefik_tls_certResolver: "{{ traefik_certResolver_primary }}"
+
+matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_enabled: "{{ matrix_metrics_exposure_http_basic_auth_enabled }}"
+matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_users: "{{ matrix_metrics_exposure_http_basic_auth_users }}"
+
+matrix_steam_bridge_appservice_token: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'steam.as.token', rounds=655555) | to_uuid }}"
+
+matrix_steam_bridge_homeserver_address: "{{ matrix_addons_homeserver_client_api_url }}"
+matrix_steam_bridge_homeserver_token: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'steam.hs.token', rounds=655555) | to_uuid }}"
+
+matrix_steam_bridge_homeserver_async_media: "{{ matrix_homeserver_implementation in ['synapse'] }}"
+
+matrix_steam_bridge_public_media_signing_key: "{{ ('%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'steam.pub.key', rounds=655555) | to_uuid) if matrix_steam_bridge_public_media_enabled else '' }}"
+
+matrix_steam_bridge_provisioning_shared_secret: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'steam.prov', rounds=655555) | to_uuid }}"
+
+matrix_steam_bridge_double_puppet_secrets_auto: |-
+  {{
+    ({
+      matrix_steam_bridge_homeserver_domain: ("as_token:" + matrix_appservice_double_puppet_registration_as_token)
+    })
+    if matrix_appservice_double_puppet_enabled
+    else {}
+  }}
+
+matrix_steam_bridge_metrics_enabled: "{{ prometheus_enabled or matrix_metrics_exposure_enabled }}"
+
+matrix_steam_bridge_metrics_proxying_enabled: "{{ matrix_steam_bridge_metrics_enabled and matrix_metrics_exposure_enabled }}"
+matrix_steam_bridge_metrics_proxying_hostname: "{{ matrix_metrics_exposure_hostname }}"
+matrix_steam_bridge_metrics_proxying_path_prefix: "{{ matrix_metrics_exposure_path_prefix }}/matrix-steam-bridge"
+
+matrix_steam_bridge_database_hostname: "{{ postgres_connection_hostname if postgres_enabled else '' }}"
+matrix_steam_bridge_database_password: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'mau.twt.db', rounds=655555) | to_uuid if postgres_enabled else '' }}"
+
+######################################################################
+#
+# /matrix-bridge-steam
+#
+######################################################################
+
 ######################################################################
 #
 # matrix-bot-matrix-reminder-bot
@@ -4396,6 +4478,12 @@ postgres_managed_databases_auto: |
       'password': matrix_mx_puppet_groupme_database_password,
     }] if (matrix_mx_puppet_groupme_enabled and matrix_mx_puppet_groupme_database_engine == 'postgres' and matrix_mx_puppet_groupme_database_hostname == postgres_connection_hostname) else [])
     +
+    ([{
+      'name': matrix_steam_bridge_database_name,
+      'username': matrix_steam_bridge_database_username,
+      'password': matrix_steam_bridge_database_password,
+    }] if (matrix_steam_bridge_enabled and matrix_steam_bridge_database_engine == 'postgres' and matrix_steam_bridge_database_hostname == postgres_connection_hostname) else [])
+    +
     ([{
       'name': matrix_dimension_database_name,
       'username': matrix_dimension_database_username,
@@ -5313,6 +5401,11 @@ matrix_synapse_admin_config_asManagedUsers_auto: |
       '^@'+(matrix_wechat_appservice_bot_username | default('') | regex_escape)+':'+(matrix_domain | regex_escape)+'$',
       '^@_wechat_[a-zA-Z0-9]+:'+(matrix_domain | regex_escape)+'$',
     ] if matrix_wechat_enabled else [])
+    +
+    ([
+      '^@'+(matrix_steam_bridge_appservice_bot_username | default('') | regex_escape)+':'+(matrix_domain | regex_escape)+'$',
+      '^@steam_[a-zA-Z0-9]+:'+(matrix_domain | regex_escape)+'$',
+    ] if matrix_steam_bridge_enabled else [])
   }}
 
 ######################################################################

roles/custom/matrix-bridge-steam/defaults/main.yml

@@ -0,0 +1,242 @@
+# SPDX-FileCopyrightText: 2025 Jason LaGuidice
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+# matrix-steam-bridge is a Matrix <-> Steam bridge
+# See: https://github.com/jasonlaguidice/matrix-steam-bridge
+
+matrix_steam_bridge_enabled: true
+
+matrix_steam_bridge_container_image_self_build: false
+matrix_steam_bridge_container_image_self_build_repo: "https://github.com/jasonlaguidice/matrix-steam-bridge.git"
+matrix_steam_bridge_container_image_self_build_repo_version: "{{ 'main' if matrix_steam_bridge_version == 'latest' else matrix_steam_bridge_version }}"
+
+# renovate: datasource=docker depName=ghcr.io/jasonlaguidice/matrix-steam-bridge
+matrix_steam_bridge_version: 1.0.3
+matrix_steam_bridge_docker_image: "{{ matrix_steam_bridge_docker_image_registry_prefix }}jasonlaguidice/matrix-steam-bridge:{{ matrix_steam_bridge_version }}"
+matrix_steam_bridge_docker_image_registry_prefix: "{{ 'localhost/' if matrix_steam_bridge_container_image_self_build else matrix_steam_bridge_docker_image_registry_prefix_upstream }}"
+matrix_steam_bridge_docker_image_registry_prefix_upstream: "{{ matrix_steam_bridge_docker_image_registry_prefix_upstream_default }}"
+matrix_steam_bridge_docker_image_registry_prefix_upstream_default: "ghcr.io/"
+matrix_steam_bridge_docker_image_tag: "{{ matrix_steam_bridge_version }}"
+matrix_steam_bridge_docker_image_force_pull: "{{ matrix_steam_bridge_docker_image.endswith(':latest') }}"
+
+matrix_steam_bridge_base_path: "{{ matrix_base_data_path }}/matrix-steam-bridge"
+matrix_steam_bridge_config_path: "{{ matrix_steam_bridge_base_path }}/config"
+matrix_steam_bridge_data_path: "{{ matrix_steam_bridge_base_path }}/data"
+matrix_steam_bridge_docker_src_files_path: "{{ matrix_steam_bridge_base_path }}/docker-src"
+
+matrix_steam_bridge_homeserver_address: ""
+matrix_steam_bridge_homeserver_domain: "{{ matrix_domain }}"
+matrix_steam_bridge_appservice_address: "http://matrix-steam-bridge:{{ matrix_steam_bridge_appservice_port }}"
+matrix_steam_bridge_appservice_port: "8080"
+
+matrix_steam_bridge_msc4190_enabled: "{{ matrix_bridges_msc4190_enabled }}"
+
+# A public address that external services can use to reach this appservice
+matrix_steam_bridge_appservice_public_address: "https://{{ matrix_server_fqn_matrix }}"
+
+# Public media configuration for external access to bridge media
+matrix_steam_bridge_public_media_enabled: true
+# A key for signing public media URLs. If set to "generate", a random key will be generated.
+# This will be auto-generated deterministically if matrix_homeserver_generic_secret_key is set.
+matrix_steam_bridge_public_media_signing_key: ''
+# Number of seconds that public media URLs are valid for. If set to 0, URLs will never expire.
+matrix_steam_bridge_public_media_expiry: 0
+matrix_steam_bridge_public_media_hash_length: 32
+
+# Displayname template for Steam users
+# {{ .DisplayName }} is replaced with the display name of the Steam user
+# {{ .Username }} is replaced with the username of the Steam user
+matrix_steam_bridge_network_displayname_template: "{% raw %}{{ .DisplayName }}{% endraw %} (Steam)"
+
+matrix_steam_bridge_command_prefix: "!steam"
+
+matrix_steam_bridge_bridge_permissions: |
+  {{
+    {matrix_steam_bridge_homeserver_domain: 'user'}
+    | combine ({matrix_admin: 'admin'} if matrix_admin else {})
+  }}
+
+# TODO: May need to set network for public media?
+matrix_steam_bridge_container_network: ""
+
+matrix_steam_bridge_container_additional_networks: "{{ matrix_steam_bridge_container_additional_networks_auto + matrix_steam_bridge_container_additional_networks_custom }}"
+matrix_steam_bridge_container_additional_networks_auto: []
+matrix_steam_bridge_container_additional_networks_custom: []
+
+# matrix_steam_bridge_container_labels_traefik_enabled controls whether labels to assist a Traefik reverse-proxy will be attached to the container.
+# See `../templates/labels.j2` for details.
+#
+# To inject your own other container labels, see `matrix_steam_bridge_container_labels_additional_labels`.
+matrix_steam_bridge_container_labels_traefik_enabled: true
+matrix_steam_bridge_container_labels_traefik_docker_network: "{{ matrix_steam_bridge_container_network }}"
+matrix_steam_bridge_container_labels_traefik_entrypoints: web-secure
+matrix_steam_bridge_container_labels_traefik_tls: "{{ matrix_steam_bridge_container_labels_traefik_entrypoints != 'web' }}"
+matrix_steam_bridge_container_labels_traefik_tls_certResolver: default  # noqa var-naming
+
+# Controls whether labels will be added that expose mautrix-instagram's metrics
+matrix_steam_bridge_container_labels_metrics_enabled: "{{ matrix_steam_bridge_metrics_enabled and matrix_steam_bridge_metrics_proxying_enabled }}"
+matrix_steam_bridge_container_labels_metrics_traefik_rule: "Host(`{{ matrix_steam_bridge_metrics_proxying_hostname }}`) && PathPrefix(`{{ matrix_steam_bridge_metrics_proxying_path_prefix }}`)"
+matrix_steam_bridge_container_labels_metrics_traefik_priority: 0
+matrix_steam_bridge_container_labels_metrics_traefik_entrypoints: "{{ matrix_steam_bridge_container_labels_traefik_entrypoints }}"
+matrix_steam_bridge_container_labels_metrics_traefik_tls: "{{ matrix_steam_bridge_container_labels_metrics_traefik_entrypoints != 'web' }}"
+matrix_steam_bridge_container_labels_metrics_traefik_tls_certResolver: "{{ matrix_steam_bridge_container_labels_traefik_tls_certResolver }}"  # noqa var-naming
+matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_enabled: false
+# See: https://doc.traefik.io/traefik/middlewares/http/basicauth/#users
+matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_users: ''
+
+# matrix_steam_bridge_container_labels_additional_labels contains a multiline string with additional labels to add to the container label file.
+# See `../templates/labels.j2` for details.
+#
+# Example:
+# matrix_steam_bridge_container_labels_additional_labels: |
+#   my.label=1
+#   another.label="here"
+matrix_steam_bridge_container_labels_additional_labels: ''
+
+# A list of extra arguments to pass to the container
+matrix_steam_bridge_container_extra_arguments: []
+
+# List of systemd services that matrix_steam_bridge.service depends on.
+matrix_steam_bridge_systemd_required_services_list: "{{ matrix_steam_bridge_systemd_required_services_list_default + matrix_steam_bridge_systemd_required_services_list_auto + matrix_steam_bridge_systemd_required_services_list_custom }}"
+matrix_steam_bridge_systemd_required_services_list_default: "{{ [devture_systemd_docker_base_docker_service_name] if devture_systemd_docker_base_docker_service_name else [] }}"
+matrix_steam_bridge_systemd_required_services_list_auto: []
+matrix_steam_bridge_systemd_required_services_list_custom: []
+
+# List of systemd services that matrix_steam_bridge.service wants
+matrix_steam_bridge_systemd_wanted_services_list: []
+
+matrix_steam_bridge_appservice_token: ''
+matrix_steam_bridge_homeserver_token: ''
+
+# Whether or not created rooms should have federation enabled.
+# If false, created portal rooms will never be federated.
+matrix_steam_bridge_matrix_federate_rooms: false
+
+# Bridge configuration options
+# Should every user have their own portals rather than sharing them?
+matrix_steam_bridge_bridge_split_portals: false
+
+# Cleanup on logout configuration
+matrix_steam_bridge_bridge_cleanup_on_logout_enabled: false
+# Valid values for cleanup actions: nothing, kick, unbridge, delete
+#   nothing - Do nothing, let the user stay in the portals
+#   kick - Remove the user from the portal rooms, but don't delete them
+#   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
+#   delete - Remove all ghosts and users from the room (i.e. delete it)
+matrix_steam_bridge_bridge_cleanup_on_logout_manual_private: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_manual_relayed: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_manual_shared_no_users: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_manual_shared_has_users: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_private: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_relayed: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_shared_no_users: nothing
+matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_shared_has_users: nothing
+
+# Homeserver configuration options
+# Does the homeserver support MSC2246 (async media uploads)?
+matrix_steam_bridge_homeserver_async_media: false
+
+# Database-related configuration fields.
+#
+# To use Postgres:
+# - adjust your database credentials via the `matrix_steam_bridge_postgres_*` variables
+matrix_steam_bridge_database_engine: 'postgres'
+
+matrix_steam_bridge_database_username: 'matrix_steam_bridge'
+matrix_steam_bridge_database_password: 'some-password'
+matrix_steam_bridge_database_hostname: ''
+matrix_steam_bridge_database_port: 5432
+matrix_steam_bridge_database_name: 'matrix_steam_bridge'
+matrix_steam_bridge_database_sslmode: disable
+
+matrix_steam_bridge_database_connection_string: 'postgres://{{ matrix_steam_bridge_database_username }}:{{ matrix_steam_bridge_database_password }}@{{ matrix_steam_bridge_database_hostname }}:{{ matrix_steam_bridge_database_port }}/{{ matrix_steam_bridge_database_name }}?sslmode={{ matrix_steam_bridge_database_sslmode }}'
+
+matrix_steam_bridge_database_uri: "{{
+	{
+		'postgres': matrix_steam_bridge_database_connection_string,
+	}[matrix_steam_bridge_database_engine]
+}}"
+
+matrix_steam_bridge_double_puppet_secrets: "{{ matrix_steam_bridge_double_puppet_secrets_auto | combine(matrix_steam_bridge_double_puppet_secrets_custom) }}"
+matrix_steam_bridge_double_puppet_secrets_auto: {}
+matrix_steam_bridge_double_puppet_secrets_custom: {}
+
+matrix_steam_bridge_appservice_bot_username: steambot
+matrix_steam_bridge_appservice_bot_displayname: Steam bridge bot
+matrix_steam_bridge_appservice_bot_avatar: mxc://shadowdrake.org/EeNKAcrmByNubPwoyceQsBaN
+
+matrix_steam_bridge_backfill_enabled: true
+# Maximum number of messages to backfill in empty rooms
+matrix_steam_bridge_backfill_max_initial_messages: 50
+
+# Maximum number of missed messages to backfill after bridge restarts
+matrix_steam_bridge_backfill_max_catchup_messages: 500
+
+# Shared secret for authentication of provisioning API requests.
+# If set to "disable", the provisioning API will be disabled.
+matrix_steam_bridge_provisioning_shared_secret: disable
+
+# Minimum severity of journal log messages.
+# Valid values: fatal, error, warn, info, debug, trace
+matrix_steam_bridge_logging_level: 'warn'
+
+# Whether or not metrics endpoint should be enabled.
+# Enabling them is usually enough for a local (in-container) Prometheus to consume them.
+# If metrics need to be consumed by another (external) Prometheus server, consider exposing them via `matrix_steam_bridge_metrics_proxying_enabled`.
+matrix_steam_bridge_metrics_enabled: false
+
+# Controls whether metrics should be exposed on a public URL.
+matrix_steam_bridge_metrics_proxying_enabled: false
+matrix_steam_bridge_metrics_proxying_hostname: ''
+matrix_steam_bridge_metrics_proxying_path_prefix: ''
+
+# Default configuration template which covers the generic use case.
+# You can customize it by controlling the various variables inside it.
+#
+# For a more advanced customization, you can extend the default (see `matrix_steam_bridge_configuration_extension_yaml`)
+# or completely replace this variable with your own template.
+matrix_steam_bridge_configuration_yaml: "{{ lookup('template', 'templates/config.yaml.j2') }}"
+
+matrix_steam_bridge_configuration_extension_yaml: |
+  # Your custom YAML configuration goes here.
+  # This configuration extends the default starting configuration (`matrix_steam_bridge_configuration_yaml`).
+  #
+  # You can override individual variables from the default configuration, or introduce new ones.
+  #
+  # If you need something more special, you can take full control by
+  # completely redefining `matrix_steam_bridge_configuration_yaml`.
+
+matrix_steam_bridge_configuration_extension: "{{ matrix_steam_bridge_configuration_extension_yaml | from_yaml if matrix_steam_bridge_configuration_extension_yaml | from_yaml is mapping else {} }}"
+
+# Holds the final configuration (a combination of the default and its extension).
+# You most likely don't need to touch this variable. Instead, see `matrix_steam_bridge_configuration_yaml`.
+matrix_steam_bridge_configuration: "{{ matrix_steam_bridge_configuration_yaml | from_yaml | combine(matrix_steam_bridge_configuration_extension, recursive=True) }}"
+
+matrix_steam_bridge_registration_yaml: |
+  id: steam
+  as_token: "{{ matrix_steam_bridge_appservice_token }}"
+  hs_token: "{{ matrix_steam_bridge_homeserver_token }}"
+  namespaces:
+    users:
+    - exclusive: true
+      regex: '^@steam_.+:{{ matrix_steam_bridge_homeserver_domain | regex_escape }}$'
+    - exclusive: true
+      regex: '^@{{ matrix_steam_bridge_appservice_bot_username | regex_escape }}:{{ matrix_steam_bridge_homeserver_domain | regex_escape }}$'
+  url: {{ matrix_steam_bridge_appservice_address }}
+  sender_localpart: _bot_{{ matrix_steam_bridge_appservice_bot_username }}
+  rate_limited: false
+  de.sorunome.msc2409.push_ephemeral: true
+  receive_ephemeral: true
+  io.element.msc4190: {{ matrix_steam_bridge_msc4190_enabled | to_json }}
+
+matrix_steam_bridge_registration: "{{ matrix_steam_bridge_registration_yaml | from_yaml }}"
+
+# Enable End-to-bridge encryption
+matrix_steam_bridge_bridge_encryption_allow: "{{ matrix_bridges_encryption_enabled }}"
+matrix_steam_bridge_bridge_encryption_default: "{{ matrix_bridges_encryption_default }}"
+matrix_steam_bridge_bridge_encryption_require: false
+matrix_steam_bridge_bridge_encryption_appservice: false
+matrix_steam_bridge_bridge_encryption_key_sharing_allow: "{{ matrix_steam_bridge_bridge_encryption_allow }}"
+matrix_steam_bridge_bridge_encryption_pickle_key: mautrix.bridge.e2ee

roles/custom/matrix-bridge-steam/tasks/main.yml

@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: 2025 MDAD project contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+
+- tags:
+    - setup-all
+    - setup-matrix-steam-bridge
+    - install-all
+    - install-matrix-steam-bridge
+  block:
+    - when: matrix_steam_bridge_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/validate_config.yml"
+
+    - when: matrix_steam_bridge_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/setup_install.yml"
+
+- tags:
+    - setup-all
+    - setup-matrix-steam-bridge
+  block:
+    - when: not matrix_steam_bridge_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/setup_uninstall.yml"

roles/custom/matrix-bridge-steam/tasks/setup_install.yml

@@ -0,0 +1,102 @@
+# SPDX-FileCopyrightText: 2025 MDAD project contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+
+- ansible.builtin.set_fact:
+    matrix_steam_bridge_requires_restart: false
+
+- name: Ensure Steam bridge image is pulled
+  community.docker.docker_image:
+    name: "{{ matrix_steam_bridge_docker_image }}"
+    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
+    force_source: "{{ matrix_steam_bridge_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
+    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_steam_bridge_docker_image_force_pull }}"
+  when: matrix_steam_bridge_enabled | bool and not matrix_steam_bridge_container_image_self_build
+  register: result
+  retries: "{{ devture_playbook_help_container_retries_count }}"
+  delay: "{{ devture_playbook_help_container_retries_delay }}"
+  until: result is not failed
+
+- name: Ensure Steam bridge paths exist
+  ansible.builtin.file:
+    path: "{{ item.path }}"
+    state: directory
+    mode: 0750
+    owner: "{{ matrix_user_name }}"
+    group: "{{ matrix_group_name }}"
+  with_items:
+    - {path: "{{ matrix_steam_bridge_base_path }}", when: true}
+    - {path: "{{ matrix_steam_bridge_config_path }}", when: true}
+    - {path: "{{ matrix_steam_bridge_data_path }}", when: true}
+    - {path: "{{ matrix_steam_bridge_docker_src_files_path }}", when: "{{ matrix_steam_bridge_container_image_self_build }}"}
+  when: item.when | bool
+
+- name: Ensure Steam bridge repository is present on self-build
+  ansible.builtin.git:
+    repo: "{{ matrix_steam_bridge_container_image_self_build_repo }}"
+    version: "{{ matrix_steam_bridge_container_image_self_build_repo_version }}"
+    dest: "{{ matrix_steam_bridge_docker_src_files_path }}"
+    force: "yes"
+  become: true
+  become_user: "{{ matrix_user_name }}"
+  register: matrix_steam_bridge_git_pull_results
+  when: "matrix_steam_bridge_enabled | bool and matrix_steam_bridge_container_image_self_build"
+
+- name: Ensure Steam bridge Docker image is built
+  community.docker.docker_image:
+    name: "{{ matrix_steam_bridge_docker_image }}"
+    source: build
+    force_source: "{{ matrix_steam_bridge_git_pull_results.changed }}"
+    build:
+      dockerfile: Dockerfile
+      path: "{{ matrix_steam_bridge_docker_src_files_path }}"
+      pull: true
+  when: "matrix_steam_bridge_enabled | bool and matrix_steam_bridge_container_image_self_build | bool"
+
+- name: Ensure matrix-steam-bridge config.yaml installed
+  ansible.builtin.copy:
+    content: "{{ matrix_steam_bridge_configuration | to_nice_yaml(indent=2, width=999999) }}"
+    dest: "{{ matrix_steam_bridge_config_path }}/config.yaml"
+    mode: 0644
+    owner: "{{ matrix_user_name }}"
+    group: "{{ matrix_group_name }}"
+
+- name: Ensure matrix-steam-bridge registration.yaml installed
+  ansible.builtin.copy:
+    content: "{{ matrix_steam_bridge_registration | to_nice_yaml(indent=2, width=999999) }}"
+    dest: "{{ matrix_steam_bridge_config_path }}/registration.yaml"
+    mode: 0644
+    owner: "{{ matrix_user_name }}"
+    group: "{{ matrix_group_name }}"
+
+- name: Ensure matrix-steam-bridge support files installed
+  ansible.builtin.template:
+    src: "{{ role_path }}/templates/{{ item }}.j2"
+    dest: "{{ matrix_steam_bridge_base_path }}/{{ item }}"
+    mode: 0640
+    owner: "{{ matrix_user_name }}"
+    group: "{{ matrix_group_name }}"
+  with_items:
+    - labels
+
+- name: Ensure matrix-steam-bridge container network is created
+  community.general.docker_network:
+    enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
+    name: "{{ matrix_steam_bridge_container_network }}"
+    driver: bridge
+    driver_options: "{{ devture_systemd_docker_base_container_networks_driver_options }}"
+
+- name: Ensure matrix-steam-bridge.service installed
+  ansible.builtin.template:
+    src: "{{ role_path }}/templates/systemd/matrix-steam-bridge.service.j2"
+    dest: "{{ devture_systemd_docker_base_systemd_path }}/matrix-steam-bridge.service"
+    mode: 0644
+
+- name: Ensure matrix-steam-bridge.service restarted, if necessary
+  ansible.builtin.service:
+    name: "matrix-steam-bridge.service"
+    state: restarted
+    daemon_reload: true
+  when: "matrix_steam_bridge_requires_restart | bool"

roles/custom/matrix-bridge-steam/tasks/setup_uninstall.yml

@@ -0,0 +1,23 @@
+# SPDX-FileCopyrightText: 2025 MDAD project contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+
+- name: Check existence of matrix-steam-bridge service
+  ansible.builtin.stat:
+    path: "{{ devture_systemd_docker_base_systemd_path }}/matrix-steam-bridge.service"
+  register: matrix_steam_bridge_service_stat
+
+- when: matrix_steam_bridge_service_stat.stat.exists | bool
+  block:
+    - name: Ensure matrix-steam-bridge is stopped
+      ansible.builtin.service:
+        name: matrix-steam-bridge
+        state: stopped
+        daemon_reload: true
+
+    - name: Ensure matrix-steam-bridge.service doesn't exist
+      ansible.builtin.file:
+        path: "{{ devture_systemd_docker_base_systemd_path }}/matrix-steam-bridge.service"
+        state: absent

roles/custom/matrix-bridge-steam/tasks/validate_config.yml

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2025 MDAD project contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+
+- name: Fail if required matrix_steam_bridge settings not defined
+  ansible.builtin.fail:
+    msg: >-
+      You need to define a required configuration setting (`{{ item.name }}`).
+  when: "item.when | bool and lookup('vars', item.name, default='') | string | length == 0"
+  with_items:
+    - {'name': 'matrix_steam_bridge_appservice_token', when: true}
+    - {'name': 'matrix_steam_bridge_homeserver_address', when: true}
+    - {'name': 'matrix_steam_bridge_homeserver_token', when: true}
+    - {'name': 'matrix_steam_bridge_database_hostname', when: "{{ matrix_steam_bridge_database_engine == 'postgres' }}"}
+    - {'name': 'matrix_steam_bridge_container_network', when: true}
+    - {'name': 'matrix_steam_bridge_metrics_proxying_hostname', when: "{{ matrix_steam_bridge_metrics_proxying_enabled }}"}
+    - {'name': 'matrix_steam_bridge_metrics_proxying_path_prefix', when: "{{ matrix_steam_bridge_metrics_proxying_enabled }}"}
+# TODO: Confirm additional config isn't mandatory for public_media
+
+- name: (Deprecation) Catch and report renamed matrix-steam-bridge variables
+  ansible.builtin.fail:
+    msg: >-
+      Your configuration contains a variable, which now has a different name.
+      Please rename the variable (`{{ item.old }}` -> `{{ item.new }}`) on your configuration file (vars.yml).
+  when: "lookup('ansible.builtin.varnames', ('^' + item.old + '$'), wantlist=True) | length > 0"
+  with_items:
+    - {'old': 'matrix_steam_bridge_docker_image_name_prefix', 'new': 'matrix_steam_bridge_docker_image_registry_prefix'}

roles/custom/matrix-bridge-steam/templates/config.yaml.j2

@@ -0,0 +1,450 @@
+#jinja2: lstrip_blocks: True
+# Network-specific config options
+network:
+    # Proxy to use for all Steam connections.
+    proxy: null
+    # Alternative to proxy: an HTTP endpoint that returns the proxy URL to use for Steam connections.
+    get_proxy_url: null
+
+    # Displayname template for Steam users.
+    # {% raw %}
+    # {{ .DisplayName }} is replaced with the display name of the Steam user.
+    # {{ .Username }} is replaced with the username of the Steam user.
+    # {% endraw %}
+    displayname_template: {{ matrix_steam_bridge_network_displayname_template | to_json }}
+
+    # Maximum number of conversations to sync on startup
+    conversation_sync_limit: 20
+
+    steam_bridge_path: ./
+    steam_bridge_address: localhost:50051
+    steam_bridge_auto_start: true
+    steam_bridge_startup_timeout: 30
+
+# Config options that affect the central bridge module.
+bridge:
+    # The prefix for commands. Only required in non-management rooms.
+    command_prefix: {{ matrix_steam_bridge_command_prefix | to_json }}
+    # Should the bridge create a space for each login containing the rooms that account is in?
+    personal_filtering_spaces: true
+    # Whether the bridge should set names and avatars explicitly for DM portals.
+    # This is only necessary when using clients that don't support MSC4171.
+    private_chat_portal_meta: true
+    # Should events be handled asynchronously within portal rooms?
+    # If true, events may end up being out of order, but slow events won't block other ones.
+    # This is not yet safe to use.
+    async_events: false
+    # Should every user have their own portals rather than sharing them?
+    # By default, users who are in the same group on the remote network will be
+    # in the same Matrix room bridged to that group. If this is set to true,
+    # every user will get their own Matrix room instead.
+    split_portals: {{ matrix_steam_bridge_bridge_split_portals | to_json }}
+    # Should the bridge resend `m.bridge` events to all portals on startup?
+    resend_bridge_info: false
+    # Should `m.bridge` events be sent without a state key?
+    # By default, the bridge uses a unique key that won't conflict with other bridges.
+    no_bridge_info_state_key: false
+    # Should bridge connection status be sent to the management room as `m.notice` events?
+    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
+    # Allowed values: none, errors, all
+    bridge_status_notices: errors
+    # How long after an unknown error should the bridge attempt a full reconnect?
+    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
+    unknown_error_auto_reconnect: null
+
+    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
+    bridge_matrix_leave: false
+    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
+    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
+    tag_only_on_create: true
+    # List of tags to allow bridging. If empty, no tags will be bridged.
+    only_bridge_tags: [m.favourite, m.lowpriority]
+    # Should room mute status only be synced when creating the portal?
+    # Like tags, mutes can't currently be synced back to the remote network.
+    mute_only_on_create: true
+    # Should the bridge check the db to ensure that incoming events haven't been handled before
+    deduplicate_matrix_messages: false
+    # Should cross-room reply metadata be bridged?
+    # Most Matrix clients don't support this and servers may reject such messages too.
+    cross_room_replies: false
+
+
+    # What should be done to portal rooms when a user logs out or is logged out?
+    # Permitted values:
+    #   nothing - Do nothing, let the user stay in the portals
+    #   kick - Remove the user from the portal rooms, but don't delete them
+    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
+    #   delete - Remove all ghosts and users from the room (i.e. delete it)
+    cleanup_on_logout:
+        # Should cleanup on logout be enabled at all?
+        enabled: {{ matrix_steam_bridge_bridge_cleanup_on_logout_enabled | to_json }}
+        # Settings for manual logouts (explicitly initiated by the Matrix user)
+        manual:
+            # Action for private portals which will never be shared with other Matrix users.
+            private: {{ matrix_steam_bridge_bridge_cleanup_on_logout_manual_private | to_json }}
+            # Action for portals with a relay user configured.
+            relayed: {{ matrix_steam_bridge_bridge_cleanup_on_logout_manual_relayed | to_json }}
+            # Action for portals which may be shared, but don't currently have any other Matrix users.
+            shared_no_users: {{ matrix_steam_bridge_bridge_cleanup_on_logout_manual_shared_no_users | to_json }}
+            # Action for portals which have other logged-in Matrix users.
+            shared_has_users: {{ matrix_steam_bridge_bridge_cleanup_on_logout_manual_shared_has_users | to_json }}
+        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
+        # Keys have the same meanings as in the manual section.
+        bad_credentials:
+            private: {{ matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_private | to_json }}
+            relayed: {{ matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_relayed | to_json }}
+            shared_no_users: {{ matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_shared_no_users | to_json }}
+            shared_has_users: {{ matrix_steam_bridge_bridge_cleanup_on_logout_bad_credentials_shared_has_users | to_json }}
+
+    # Settings for relay mode
+    relay:
+        # Whether relay mode should be allowed. If allowed, the set-relay command 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?
+        # If true, non-admins can only set users listed in default_relays as relays in a room.
+        admin_only: true
+        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
+        default_relays: []
+        # The formats to use when sending messages via the relaybot.
+        # Available variables:
+        #   .Sender.UserID - The Matrix user ID of the sender.
+        #   .Sender.Displayname - The display name of the sender (if set).
+        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
+        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
+        #                               plus the user ID in parentheses if the displayname is not unique.
+        #                               If the displayname is not set, this is just the user ID.
+        #   .Message - The `formatted_body` field of the message.
+        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
+        #   .FileName - The name of the file being sent.
+        message_formats:
+            m.text: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}{% endraw %}"
+            m.notice: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}{% endraw %}"
+            m.emote: "{% raw %}* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}{% endraw %}"
+            m.file: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}{% endraw %}"
+            m.image: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}{% endraw %}"
+            m.audio: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}{% endraw %}"
+            m.video: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}{% endraw %}"
+            m.location: "{% raw %}<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}{% endraw %}"
+        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
+        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
+        # Note that you need to manually remove the displayname from message_formats above.
+        displayname_format: "{% raw %}{{ .DisambiguatedName }}{% endraw %}"
+
+    # Permissions for using the bridge.
+    # Permitted values:
+    #    relay - Talk through the relaybot (if enabled), no access otherwise
+    # commands - Access to use commands in the bridge, but not login.
+    #     user - Access to use the bridge with puppeting.
+    #    admin - Full access, user level with some additional administration tools.
+    # Permitted keys:
+    #        * - All Matrix users
+    #   domain - All users on that homeserver
+    #     mxid - Specific user
+    permissions: {{ matrix_steam_bridge_bridge_permissions | to_json }}
+
+# Config for the bridge's database.
+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: {{ matrix_steam_bridge_database_uri | to_json }}
+    # Maximum number of connections.
+    max_open_conns: 5
+    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
+
+# Homeserver details.
+homeserver:
+    # The address that this appservice can use to connect to the homeserver.
+    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
+    # but https also works if they run on different machines.
+    address: {{ matrix_steam_bridge_homeserver_address | to_json }}
+    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
+    domain: {{ matrix_steam_bridge_homeserver_domain | to_json }}
+
+    # 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 remote network connection state changes.
+    # The bridge will use the appservice as_token to authorize requests.
+    status_endpoint:
+    # Endpoint for reporting per-message status.
+    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
+    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
+    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
+    # The bridge will use the appservice as_token to authorize requests.
+    message_send_checkpoint_endpoint:
+    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
+    async_media: {{ matrix_steam_bridge_homeserver_async_media | to_json }}
+
+    # Should the bridge use a websocket for connecting to the homeserver?
+    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
+    # mautrix-asmux (deprecated), and hungryserv (proprietary).
+    websocket: false
+    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
+    ping_interval_seconds: 0
+
+# Application service host/registration related details.
+# Changing these values requires regeneration of the registration (except when noted otherwise)
+appservice:
+    # The address that the homeserver can use to connect to this appservice.
+    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
+    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
+    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
+    address: {{ matrix_steam_bridge_appservice_address | to_json }}
+    # A public address that external services can use to reach this appservice.
+    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
+    # This value doesn't affect the registration file.
+    public_address: {{ matrix_steam_bridge_appservice_public_address | to_json }}
+
+    # The hostname and port where this appservice should listen.
+    # For Docker, you generally have to change the hostname to 0.0.0.0.
+    hostname: 0.0.0.0
+    port: {{ matrix_steam_bridge_appservice_port }}
+
+    # The unique ID of this appservice.
+    id: steam
+    # Appservice bot details.
+    bot:
+        # Username of the appservice bot.
+        username: {{ matrix_steam_bridge_appservice_bot_username | to_json }}
+        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
+        # to leave display name/avatar as-is.
+        displayname: {{ matrix_steam_bridge_appservice_bot_displayname | to_json(ensure_ascii=False) }}
+        avatar: {{ matrix_steam_bridge_appservice_bot_avatar | to_json }}
+
+    # Whether to receive ephemeral events via appservice transactions.
+    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.
+    # This value doesn't affect the registration file.
+    async_transactions: false
+
+    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
+    as_token: {{ matrix_steam_bridge_appservice_token | to_json }}
+    hs_token: {{ matrix_steam_bridge_homeserver_token | to_json }}
+
+    # Localpart template of MXIDs for remote users.
+    # {% raw %}{{.}}{% endraw %} is replaced with the internal ID of the user.
+    username_template: "{% raw %}steam_{{.}}{% endraw %}"
+
+# Config options that affect the Matrix connector of the bridge.
+matrix:
+    # 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 a read receipt after successfully bridging a message.
+    delivery_receipts: false
+    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
+    message_error_notices: true
+    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
+    sync_direct_chat_list: true
+    # Whether created rooms should have federation enabled. If false, created portal rooms
+    # will never be federated. Changing this option requires recreating rooms.
+    federate_rooms: {{ matrix_steam_bridge_matrix_federate_rooms | to_json }}
+    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
+    # rather than keeping the whole file in memory.
+    upload_file_threshold: 5242880
+
+# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
+analytics:
+    # API key to send with tracking requests. Tracking is disabled if this is null.
+    token: null
+    # Address to send tracking requests to.
+    url: https://api.segment.io/v1/track
+    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
+    user_id: null
+
+# Settings for provisioning API
+provisioning:
+    # Prefix for the provisioning API paths.
+    prefix: /_matrix/provision
+    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
+    # or if set to "disable", the provisioning API will be disabled.
+    shared_secret: {{ matrix_steam_bridge_provisioning_shared_secret | to_json }}
+    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
+    # This follows the same rules as double puppeting to determine which server to contact to check the token,
+    # which means that by default, it only works for users on the same server as the bridge.
+    allow_matrix_auth: true
+    # Enable debug API at /debug with provisioning authentication.
+    debug_endpoints: false
+
+# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
+# These settings control whether the bridge will provide such public media access.
+# TODO: Update with public_media config once it's figured out
+public_media:
+    # Should public media be enabled at all?
+    # The public_address field under the appservice section MUST be set when enabling public media.
+    enabled: {{ matrix_steam_bridge_public_media_enabled | to_json }}
+    # A key for signing public media URLs.
+    # If set to "generate", a random key will be generated.
+    signing_key: {{ matrix_steam_bridge_public_media_signing_key | to_json }}
+    # Number of seconds that public media URLs are valid for.
+    # If set to 0, URLs will never expire.
+    expiry: {{ matrix_steam_bridge_public_media_expiry | to_json }}
+    # Length of hash to use for public media URLs. Must be between 0 and 32.
+    hash_length: {{ matrix_steam_bridge_public_media_hash_length | to_json }}
+
+# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
+# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
+direct_media:
+    # Should custom mxc:// URIs be used instead of reuploading media?
+    enabled: false
+    # The server name to use for the custom mxc:// URIs.
+    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
+    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
+    server_name: media.example.com
+    # Optionally a custom .well-known response. This defaults to `server_name:443`
+    well_known_response:
+    # Optionally specify a custom prefix for the media ID part of the MXC URI.
+    media_id_prefix:
+    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
+    # media download redirects if the requester supports it. Optionally, you can force redirects
+    # and not allow proxying at all by setting this to false.
+    # This option does nothing if the remote network does not support media downloads over HTTP.
+    allow_proxy: true
+    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
+    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
+    server_key: ""
+
+# Settings for backfilling messages.
+# Note that the exact way settings are applied depends on the network connector.
+# See https://docs.mau.fi/bridges/general/backfill.html for more details.
+backfill:
+    # Whether to do backfilling at all.
+    enabled: {{ matrix_steam_bridge_backfill_enabled | to_json }}
+    # Maximum number of messages to backfill in empty rooms.
+    max_initial_messages: {{ matrix_steam_bridge_backfill_max_initial_messages | to_json }}
+    # Maximum number of missed messages to backfill after bridge restarts.
+    max_catchup_messages: {{ matrix_steam_bridge_backfill_max_catchup_messages | to_json }}
+    # If a backfilled chat is older than this number of hours,
+    # mark it as read even if it's unread on the remote network.
+    unread_hours_threshold: 720
+    # Settings for backfilling threads within other backfills.
+    threads:
+        # Maximum number of messages to backfill in a new thread.
+        max_initial_messages: 50
+    # Settings for the backwards backfill queue. This only applies when connecting to
+    # Beeper as standard Matrix servers don't support inserting messages into history.
+    queue:
+        # Should the backfill queue be enabled?
+        enabled: false
+        # Number of messages to backfill in one batch.
+        batch_size: 100
+        # Delay between batches in seconds.
+        batch_delay: 20
+        # Maximum number of batches to backfill per portal.
+        # If set to -1, all available messages will be backfilled.
+        max_batches: -1
+        # Optional network-specific overrides for max batches.
+        # Interpretation of this field depends on the network connector.
+        max_batches_override: {}
+
+# Settings for enabling double puppeting
+double_puppet:
+    # Servers to always allow double puppeting from.
+    # This is only for other servers and should NOT contain the server the bridge is on.
+    servers: {}
+    # Whether to allow client API URL discovery for other servers. When using this option,
+    # users on other servers can use double puppeting even if their server URLs aren't
+    # explicitly added to the servers map above.
+    allow_discovery: false
+    # Shared secrets for automatic double puppeting.
+    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
+    secrets: {{ matrix_steam_bridge_double_puppet_secrets | to_json }}
+
+# End-to-bridge encryption support options.
+#
+# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
+encryption:
+    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
+    allow: {{ matrix_steam_bridge_bridge_encryption_allow | to_json }}
+    # Whether to force-enable encryption in all bridged rooms.
+    default: {{ matrix_steam_bridge_bridge_encryption_default | to_json }}
+    # Whether to require all messages to be encrypted and drop any unencrypted messages.
+    require: {{ matrix_steam_bridge_bridge_encryption_require | to_json }}
+    # Whether to use MSC2409/MSC3202 instead of /sync long polling for receiving encryption-related data.
+    # This option is not yet compatible with standard Matrix servers like Synapse and should not be used.
+    appservice: {{ matrix_steam_bridge_bridge_encryption_appservice | to_json }}
+    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
+    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
+    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
+    # Changing this option requires updating the appservice registration file.
+    msc4190: {{ matrix_steam_bridge_msc4190_enabled | to_json }}
+    # 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: {{ matrix_steam_bridge_bridge_encryption_key_sharing_allow | to_json }}
+    # Pickle key for encrypting encryption keys in the bridge database.
+    # If set to generate, a random key will be generated.
+    pickle_key: {{ matrix_steam_bridge_bridge_encryption_pickle_key | to_json }}
+    # Options for deleting megolm sessions from the bridge.
+    delete_keys:
+        # Beeper-specific: delete outbound sessions when hungryserv confirms
+        # that the user has uploaded the key to key backup.
+        delete_outbound_on_ack: false
+        # Don't store outbound sessions in the inbound table.
+        dont_store_outbound: false
+        # Ratchet megolm sessions forward after decrypting messages.
+        ratchet_on_decrypt: false
+        # Delete fully used keys (index >= max_messages) after decrypting messages.
+        delete_fully_used_on_decrypt: false
+        # Delete previous megolm sessions from same device when receiving a new one.
+        delete_prev_on_new_session: false
+        # Delete megolm sessions received from a device when the device is deleted.
+        delete_on_device_delete: false
+        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
+        periodically_delete_expired: false
+        # Delete inbound megolm sessions that don't have the received_at field used for
+        # automatic ratcheting and expired session deletion. This is meant as a migration
+        # to delete old keys prior to the bridge update.
+        delete_outdated_inbound: 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 the remote network 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/v1.10/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
+        # Disable rotating keys when a user's devices change?
+        # You should not enable this option unless you understand all the implications.
+        disable_device_change_key_rotation: false
+
+# Logging config. See https://github.com/tulir/zeroconfig for details.
+logging:
+    min_level: {{ matrix_steam_bridge_logging_level | to_json }}
+    writers:
+        - type: stdout
+          format: pretty-colored

roles/custom/matrix-bridge-steam/templates/config.yaml.j2.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2025 MDAD project contributors
+
+SPDX-License-Identifier: AGPL-3.0-or-later

roles/custom/matrix-bridge-steam/templates/labels.j2

@@ -0,0 +1,78 @@
+{#
+SPDX-FileCopyrightText: 2025 MDAD project contributors
+
+SPDX-License-Identifier: AGPL-3.0-or-later
+#}
+
+{% if matrix_steam_bridge_container_labels_traefik_enabled %}
+traefik.enable=true
+
+{% if matrix_steam_bridge_container_labels_traefik_docker_network %}
+traefik.docker.network={{ matrix_steam_bridge_container_labels_traefik_docker_network }}
+{% endif %}
+
+traefik.http.services.matrix-steam-bridge.loadbalancer.server.port={{ matrix_steam_bridge_appservice_port }}
+traefik.http.services.matrix-steam-bridge-metrics.loadbalancer.server.port=8000
+
+{% if matrix_steam_bridge_container_labels_metrics_enabled %}
+############################################################
+#                                                          #
+# Metrics                                                  #
+#                                                          #
+############################################################
+
+{% if matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_enabled %}
+traefik.http.middlewares.matrix-steam-bridge-metrics-basic-auth.basicauth.users={{ matrix_steam_bridge_container_labels_metrics_middleware_basic_auth_users }}
+traefik.http.routers.matrix-steam-bridge-metrics.middlewares=matrix-steam-bridge-metrics-basic-auth
+{% endif %}
+
+traefik.http.routers.matrix-steam-bridge-metrics.rule={{ matrix_steam_bridge_container_labels_metrics_traefik_rule }}
+
+{% if matrix_steam_bridge_container_labels_metrics_traefik_priority | int > 0 %}
+traefik.http.routers.matrix-steam-bridge-metrics.priority={{ matrix_steam_bridge_container_labels_metrics_traefik_priority }}
+{% endif %}
+
+traefik.http.routers.matrix-steam-bridge-metrics.service=matrix-steam-bridge-metrics
+traefik.http.routers.matrix-steam-bridge-metrics.entrypoints={{ matrix_steam_bridge_container_labels_metrics_traefik_entrypoints }}
+
+traefik.http.routers.matrix-steam-bridge-metrics.tls={{ matrix_steam_bridge_container_labels_metrics_traefik_tls | to_json }}
+{% if matrix_steam_bridge_container_labels_metrics_traefik_tls %}
+traefik.http.routers.matrix-steam-bridge-metrics.tls.certResolver={{ matrix_steam_bridge_container_labels_metrics_traefik_tls_certResolver }}
+{% endif %}
+
+############################################################
+#                                                          #
+# /Metrics                                                 #
+#                                                          #
+############################################################
+{% endif %}
+
+
+{% if matrix_steam_bridge_public_media_enabled %}
+############################################################
+#                                                          #
+# Public Media                                             #
+#                                                          #
+############################################################
+
+# Router for public media
+traefik.http.routers.matrix-steam-bridge-public-media.rule=Host(`{{ matrix_server_fqn_matrix }}`) && PathPrefix(`/_mautrix/publicmedia/{{ matrix_domain }}/`)
+traefik.http.routers.matrix-steam-bridge-public-media.service=matrix-steam-bridge
+traefik.http.routers.matrix-steam-bridge-public-media.entrypoints={{ matrix_steam_bridge_container_labels_traefik_entrypoints }}
+traefik.http.routers.matrix-steam-bridge-public-media.tls={{ matrix_steam_bridge_container_labels_traefik_tls | to_json }}
+{% if matrix_steam_bridge_container_labels_traefik_tls %}
+traefik.http.routers.matrix-steam-bridge-public-media.tls.certResolver={{ matrix_steam_bridge_container_labels_traefik_tls_certResolver }}
+{% endif %}
+
+
+############################################################
+#                                                          #
+# /Public Media                                            #
+#                                                          #
+############################################################
+{% endif %}
+
+
+{% endif %}
+
+{{ matrix_steam_bridge_container_labels_additional_labels }}

roles/custom/matrix-bridge-steam/templates/systemd/matrix-steam-bridge.service.j2

@@ -0,0 +1,48 @@
+#jinja2: lstrip_blocks: True
+[Unit]
+Description=Matrix Steam bridge
+{% for service in matrix_steam_bridge_systemd_required_services_list %}
+Requires={{ service }}
+After={{ service }}
+{% endfor %}
+{% for service in matrix_steam_bridge_systemd_wanted_services_list %}
+Wants={{ service }}
+{% endfor %}
+DefaultDependencies=no
+
+[Service]
+Type=simple
+Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
+ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop -t {{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-steam-bridge 2>/dev/null || true'
+ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-steam-bridge 2>/dev/null || true'
+
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
+			--rm \
+			--name=matrix-steam-bridge \
+			--log-driver=none \
+			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
+			--cap-drop=ALL \
+			--network={{ matrix_steam_bridge_container_network }} \
+			--mount type=bind,src={{ matrix_steam_bridge_config_path }},dst=/app/config,ro \
+			--mount type=bind,src={{ matrix_steam_bridge_data_path }},dst=/app/data \
+			--label-file={{ matrix_steam_bridge_base_path }}/labels \
+			{% for arg in matrix_steam_bridge_container_extra_arguments %}
+			{{ arg }} \
+			{% endfor %}
+			{{ matrix_steam_bridge_docker_image }} \
+			/usr/bin/steam -c /app/config/config.yaml -r /app/config/registration.yaml --no-update
+
+{% for network in matrix_steam_bridge_container_additional_networks %}
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} matrix-steam-bridge
+{% endfor %}
+
+ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach matrix-steam-bridge
+
+ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop -t {{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-steam-bridge 2>/dev/null || true'
+ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-steam-bridge 2>/dev/null || true'
+Restart=always
+RestartSec=30
+SyslogIdentifier=matrix-steam-bridge
+
+[Install]
+WantedBy=multi-user.target

roles/custom/matrix-bridge-steam/templates/systemd/matrix-steam-bridge.service.j2.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2025 MDAD project contributors
+
+SPDX-License-Identifier: AGPL-3.0-or-later

setup.yml

@@ -84,6 +84,7 @@
     - custom/matrix-bridge-mx-puppet-instagram
     - custom/matrix-bridge-postmoogle
     - custom/matrix-bridge-sms
+    - custom/matrix-bridge-steam
     - custom/matrix-bridge-heisenbridge
     - custom/matrix-bridge-hookshot
     - custom/matrix-bot-matrix-reminder-bot