feat: add support for community backends (volunteers that host invidious companion for the instance)

assets/css/default.css

@@ -1075,4 +1075,11 @@ h1, h2, h3, h4, h5, p,
 .hidden-channels {
   width: 300px;
   height: 200px;
+}
+
+.preference-description {
+  width: 250px;
+  padding-left: 10px;
+  display: inline-block;
+  vertical-align: top;
 }

locales/en-US.json

@@ -117,6 +117,8 @@
     "preferences_thin_mode_label": "Thin mode: ",
     "preferences_category_misc": "Miscellaneous preferences",
     "preferences_automatic_instance_redirect_label": "Automatic instance redirection (fallback to redirect.invidious.io): ",
+    "preferences_show_community_backends_label": "Display community backends? ",
+    "preferences_show_community_backends_description": "Community backends are backends that are not hosted by the instance owner but by third parties that the instance owner trusts. You decide whether to use them or not!",
     "preferences_category_subscription": "Subscription preferences",
     "preferences_annotations_subscribed_label": "Show annotations by default for subscribed channels? ",
     "Redirect homepage to feed: ": "Redirect homepage to feed: ",

locales/es.json

@@ -71,6 +71,8 @@
     "preferences_thin_mode_label": "Modo compacto: ",
     "preferences_category_misc": "Preferencias misceláneas",
     "preferences_automatic_instance_redirect_label": "Redirección automática de instancia (segunda opción a redirect.invidious.io): ",
+    "preferences_show_community_backends_label": "Mostrar backends comunitarios? ",
+    "preferences_show_community_backends_description": "Los backends comunitarios son backends que no están alojados por el propietario de la instancia, sino por terceros en los que el propietario de la instancia confía. ¡Tú decides si usarlos o no!",
     "preferences_category_subscription": "Preferencias de la suscripción",
     "preferences_annotations_subscribed_label": "¿Mostrar anotaciones por defecto para los canales suscritos? ",
     "Redirect homepage to feed: ": "Redirigir la página de inicio a la fuente: ",

src/invidious/config.cr

@@ -59,6 +59,7 @@ struct ConfigPreferences
   property hidden_channels : Array(String)? = nil
   @[YAML::Field(ignore: true)]
   property default_trending_type : Invidious::Routes::Feeds::TrendingTypes = Invidious::Routes::Feeds::TrendingTypes::Default
+  property show_community_backends : Bool = false
 
   def to_tuple
     {% begin %}
@@ -95,6 +96,7 @@ class Config
 
     property note : String = ""
     property domain : Array(String) = [] of String
+    property community : Bool = false
 
     # Indicates if this companion instance uses the built-in proxy
     property builtin_proxy : Bool = false

src/invidious/routes/preferences.cr

@@ -172,6 +172,10 @@ module Invidious::Routes::PreferencesRoute
     default_trending_type = env.params.body["default_trending_type"]?.try &.as(String)
     default_trending_type ||= Invidious::Routes::Feeds::TrendingTypes::Default
 
+    show_community_backends = env.params.body["show_community_backends"]?.try &.as(String)
+    show_community_backends ||= "off"
+    show_community_backends= show_community_backends == "on"
+
     # Convert to JSON and back again to take advantage of converters used for compatibility
     preferences = Preferences.from_json({
       annotations:                 annotations,
@@ -211,6 +215,7 @@ module Invidious::Routes::PreferencesRoute
       default_playlist:            default_playlist,
       hidden_channels:             hidden_channels,
       default_trending_type:       default_trending_type,
+      show_community_backends:     show_community_backends,
     }.to_json)
 
     if user = env.get? "user"

src/invidious/user/preferences.cr

@@ -59,6 +59,7 @@ struct Preferences
   property hidden_channels : Array(String)? = nil
   property default_trending_type : Invidious::Routes::Feeds::TrendingTypes = Invidious::Routes::Feeds::TrendingTypes::Default
   property default_playlist : String? = nil
+  property show_community_backends : Bool = false
 
   module BoolToString
     def self.to_json(value : String, json : JSON::Builder)

src/invidious/views/template.ecr

@@ -119,6 +119,7 @@
                     <b>Switch Backend:</b>
                     <% if domain %>
                         <% CONFIG.invidious_companion.each_with_index do | companion, index | %>
+                        <% next if companion.community && !preferences.show_community_backends %>
                         <% host_backend = env.request.headers["Host"].sub(/([^.]+)(\d+)/, "\\1#{index+1}") %>
                         <% is_current_backend_host = host_backend == env.request.headers["Host"] %>
                             <a href="<%= scheme %>://<%= host_backend %><%= env.request.resource %>" style="<%= is_current_backend_host ? "text-decoration-line: underline;" : "" %> display: inline-block;">
@@ -136,6 +137,7 @@
                     <% else %>
                         <% current_page = env.get("current_page") %>
                         <% CONFIG.invidious_companion.each_with_index do | companion, index | %>
+                        <% next if companion.community && !preferences.show_community_backends %>
                             <a href="/switchbackend?backend_id=<%= index.to_s %>&referer=<%= current_page %>" style="<%= current_backend == index ? "text-decoration-line: underline;" : "" %> display: inline-block;">
                                 <%= HTML.escape(CONFIG.backend_name_prefix + (index + 1).to_s) %> <%= HTML.escape(companion.note) %>
                                 <span style="color:

src/invidious/views/user/preferences.ecr

@@ -235,6 +235,12 @@
                 <input name="automatic_instance_redirect" id="automatic_instance_redirect" type="checkbox" <% if preferences.automatic_instance_redirect %>checked<% end %>>
             </div>
 
+            <div class="pure-control-group">
+                <label for="show_community_backends"><%= translate(locale, "preferences_show_community_backends_label") %></label>
+                <input name="show_community_backends" id="show_community_backends" type="checkbox" <% if preferences.show_community_backends %>checked<% end %>>
+                <span class="preference-description"><%= translate(locale, "preferences_show_community_backends_description") %></span>
+            </div>
+
             <div class="pure-control-group">
                 <label for="hidden_channels"><%= translate(locale, "preferences_hidden_channels") %></label>
                 <% hidden_channels = preferences.hidden_channels %>