zen: add redirects to alternative front ends

home-manager/progs/zen/default.nix

@@ -26,6 +26,7 @@ let
 
   ublockSettings = import ./ublock.nix { inherit lib; };
   darkReaderSettings = import ./dark-reader.nix { inherit lib; };
+  redirectorSettings = import ./redirector.nix { inherit lib; };
 in
 {
   programs.zen-browser = {
@@ -44,6 +45,7 @@ in
             darkreader
             fastforwardteam
             localcdn
+            redirector
             refined-github
             return-youtube-dislikes
             search-by-image # reverse image search
@@ -57,6 +59,7 @@ in
         settings = {
           "uBlock0@raymondhill.net" = ublockSettings;
           "addon@darkreader.org" = darkReaderSettings;
+          "redirector@einaregilsson.com" = redirectorSettings;
         };
       };
 

home-manager/progs/zen/redirector.nix

@@ -0,0 +1,75 @@
+# Redirector extension settings
+# Addon ID: redirector@einaregilsson.com
+#
+# To add a new redirect, just add another mkRedirect call to the list:
+#   (mkRedirect { from = "youtube.com"; to = "invidious.example.com"; description = "YouTube to Invidious"; })
+{ lib }:
+let
+  # helper to create a redirect rule from a simple domain mapping.
+  # handles www. subdomains automatically. for other subdomains
+  # (like old.reddit.com), create a separate rule with the full domain.
+  mkRedirect =
+    {
+      from,
+      to,
+      description,
+    }:
+    let
+      escapedFrom = builtins.replaceStrings [ "." ] [ "\\." ] from;
+    in
+    {
+      inherit description;
+      exampleUrl = "https://${from}/example";
+      exampleResult = "https://${to}/example";
+      error = null;
+      includePattern = "^https?://(www\\.)?${escapedFrom}(.*)$";
+      excludePattern = "";
+      patternDesc = "";
+      redirectUrl = "https://${to}$2";
+      patternType = "R";
+      processMatches = "noProcessing";
+      disabled = false;
+      grouped = false;
+      appliesTo = [ "main_frame" ];
+    };
+in
+{
+  force = true;
+  settings = {
+    redirects = [
+      (mkRedirect {
+        from = "x.com";
+        to = "xcancel.com";
+        description = "X to xcancel";
+      })
+      (mkRedirect {
+        from = "twitter.com";
+        to = "xcancel.com";
+        description = "Twitter to xcancel";
+      })
+      (mkRedirect {
+        from = "reddit.com";
+        to = "safereddit.com";
+        description = "Reddit to Redlib";
+      })
+      (mkRedirect {
+        from = "old.reddit.com";
+        to = "safereddit.com";
+        description = "Old Reddit to Redlib";
+      })
+      (mkRedirect {
+        from = "new.reddit.com";
+        to = "safereddit.com";
+        description = "New Reddit to Redlib";
+      })
+      (mkRedirect {
+        from = "np.reddit.com";
+        to = "safereddit.com";
+        description = "NP Reddit to Redlib";
+      })
+    ];
+    disabled = false;
+    logging = false;
+    enableNotifications = false;
+  };
+}