From 1f23d540027cd4c9f01cc5f21633d6f2a71b1242 Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Tue, 30 Dec 2025 15:24:11 +0100
Subject: [PATCH] copy fonts to source and serve local fonts

---
 freshen.json                          |  3 ++
 piped-frontend/default.nix            | 42 ++++++++++++++++++++++++++-
 piped-frontend/extract-font-hashes.sh | 14 +++++++++
 piped-frontend/fonts.json             |  4 +++
 4 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 piped-frontend/extract-font-hashes.sh
 create mode 100644 piped-frontend/fonts.json

diff --git a/freshen.json b/freshen.json
index 6ca0d9b..56b5c05 100644
--- a/freshen.json
+++ b/freshen.json
@@ -55,6 +55,9 @@
     },
     {
       "name": "piped",
+      "update_scripts": [{
+          "attr_path": "piped-frontend.passthru.fonts"
+      }],
       "tests": [{
         "attr_path": "piped-test",
         "disable_sandbox": true
diff --git a/piped-frontend/default.nix b/piped-frontend/default.nix
index b6aae22..ceef211 100644
--- a/piped-frontend/default.nix
+++ b/piped-frontend/default.nix
@@ -2,6 +2,8 @@
 , lib
 , buildNpmPackage
 , pnpm
+, fetchurl
+, writeScript
 }:
 
 let
@@ -17,6 +19,16 @@ let
 
   pnpmDeps = doPnpmDeps (builtins.fromJSON (builtins.readFile ./npmDepsHash.json));
 
+  fonts = builtins.mapAttrs (url: hash: fetchurl {inherit url hash;}) (builtins.fromJSON (builtins.readFile ./fonts.json));
+  copyFonts = builtins.concatStringsSep "\n" (lib.mapAttrsToList (
+      url: font: let
+        fontPath = "dist/fonts/" + (builtins.substring (builtins.stringLength "https://fonts.gstatic.com/") (-1) url);
+      in ''
+        mkdir -p $(dirname ${fontPath})
+        cp ${font} ${fontPath}
+      ''
+    )
+    fonts);
 in
   
 buildNpmPackage {
@@ -27,11 +39,39 @@ buildNpmPackage {
 
   npmDeps = pnpmDeps;
 
+  postBuild = ''
+    echo "postBuild"
+    mkdir -p dist/fonts
+
+    ${copyFonts}
+
+    sed -i "s#https://fonts.gstatic.com#/fonts#g" dist/assets/*
+    ls -l dist/fonts/
+  '';
+
   installPhase = ''
     cp dist $out -r
   '';
 
-  passthru.hashUpdate = doPnpmDeps "";
+  passthru = {
+    hashUpdate = doPnpmDeps "";
+    fonts = writeScript "update-font-hashes" ''
+      #!/usr/bin/env bash
+
+      tmp=$(mktemp -d)
+      cp -r "${src}" "$tmp/src"
+      chmod -R 750 $tmp/src
+      (
+          cd "$tmp/src"
+          ${pnpm}/bin/pnpm install
+          echo "extracting"
+          bash ${./extract-font-hashes.sh} > fonts.json
+          cat fonts.json
+      )
+      cp "$tmp/src/fonts.json" "piped-frontend/fonts.json"
+      rm -fr "$tmp"
+    '';
+  };
 
   meta = {
     homepage = "https://github.com/TeamPiped/piped";
diff --git a/piped-frontend/extract-font-hashes.sh b/piped-frontend/extract-font-hashes.sh
new file mode 100644
index 0000000..f4467a3
--- /dev/null
+++ b/piped-frontend/extract-font-hashes.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl nix
+
+fonts=($(grep -hPo "https://fonts\.gstatic\.com/s[^)]*" -r node_modules/ | sort | uniq))
+echo '{'
+for font in "${fonts[@]}"; do
+    hash=$(nix-hash --to-sri --type sha256 $(nix-prefetch-url "$font" 2>/dev/null))
+    if [ "$font" = "${fonts[-1]}" ]; then
+        echo '  "'"$font"'"': '"'"$hash"'"'
+    else
+        echo '  "'"$font"'"': '"'"$hash"'",'
+    fi
+done
+echo '}'
diff --git a/piped-frontend/fonts.json b/piped-frontend/fonts.json
new file mode 100644
index 0000000..723da05
--- /dev/null
+++ b/piped-frontend/fonts.json
@@ -0,0 +1,4 @@
+{
+  "https://fonts.gstatic.com/s/materialiconsround/v109/LDItaoyNOAY6Uewc665JcIzCKsKc_M9flwmM.otf": "sha256-utheVFS2KIEEzgOAbDcyO82PFF4wlOcnhgFzrIyRBi4=",
+  "https://fonts.gstatic.com/s/roboto/v48/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWubEbVmUiA8.ttf": "sha256-Z6CSYilO1dB4PF8qsg2Wc2VMLePQOHBHN+v+noJu1hM="
+}