bridge-mautrix-facebook: add support for web-based login

roles/matrix-bridge-mautrix-facebook/tasks/init.yml

@@ -22,3 +22,51 @@
       +
       {{ ["/matrix-mautrix-facebook-registration.yaml"] }}
   when: matrix_mautrix_facebook_enabled|bool
+
+- block:
+    - name: Fail if matrix-nginx-proxy role already executed
+      fail:
+        msg: >-
+          Trying to append Mautrix Facebook's reverse-proxying configuration to matrix-nginx-proxy,
+          but it's pointless since the matrix-nginx-proxy role had already executed.
+          To fix this, please change the order of roles in your playbook,
+          so that the matrix-nginx-proxy role would run after the matrix-bridge-mautrix-facebook role.
+      when: matrix_nginx_proxy_role_executed|default(False)|bool
+
+    - name: Generate Mautrix Facebook proxying configuration for matrix-nginx-proxy
+      set_fact:
+        matrix_mautrix_facebook_matrix_nginx_proxy_configuration: |
+          location {{ matrix_mautrix_facebook_public_endpoint }} {
+          {% if matrix_nginx_proxy_enabled|default(False) %}
+              {# Use the embedded DNS resolver in Docker containers to discover the service #}
+              resolver 127.0.0.11 valid=5s;
+              set $backend "matrix-mautrix-facebook:29319";
+              proxy_pass http://$backend;
+          {% else %}
+              {# Generic configuration for use outside of our container setup #}
+              proxy_pass http://127.0.0.1:9008;
+          {% endif %}
+          }
+
+    - name: Register Mautrix Facebook proxying configuration with matrix-nginx-proxy
+      set_fact:
+        matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks: |
+          {{
+            matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks|default([])
+            +
+            [matrix_mautrix_facebook_matrix_nginx_proxy_configuration]
+          }}
+
+    - name: Warn about reverse-proxying if matrix-nginx-proxy not used
+      debug:
+        msg: >-
+          NOTE: You've enabled the Mautrix Facebook bridge but are not using the matrix-nginx-proxy
+          reverse proxy.
+          Please make sure that you're proxying the `{{ matrix_mautrix_facebook_public_endpoint }}`
+          URL endpoint to the matrix-mautrix-facebook container.
+          You can expose the container's port using the `matrix_mautrix_facebook_container_http_host_bind_port` variable.
+      when: "not matrix_nginx_proxy_enabled|default(False)|bool"
+
+  tags:
+    - always
+  when: matrix_mautrix_facebook_enabled|bool and matrix_mautrix_facebook_appservice_public_enabled|bool

roles/matrix-bridge-mautrix-facebook/tasks/validate_config.yml

@@ -6,6 +6,7 @@
       You need to define a required configuration setting (`{{ item }}`).
   when: "vars[item] == ''"
   with_items:
+    - "matrix_mautrix_facebook_public_endpoint"
     - "matrix_mautrix_facebook_appservice_token"
     - "matrix_mautrix_facebook_homeserver_token"