signal-desktop-source: build ringrtc & webrtc from source

Co-authored-by: Marcin Serwin <[email protected]>

Author: yuyuyureka

pkgs/by-name/si/signal-desktop-source/package.nix

@@ -22,14 +22,32 @@ let
   pnpm = pnpm_10;
   electron = electron_35;
 
+  nodeOS =
+    {
+      "linux" = "linux";
+      "darwin" = "darwin";
+    }
+    .${stdenv.hostPlatform.parsed.kernel.name}
+      or (throw "unsupported platform ${stdenv.hostPlatform.parsed.kernel.name}");
+
+  nodeArch =
+    {
+      # https://nodejs.org/api/os.html#osarch
+      "x86_64" = "x64";
+      "aarch64" = "arm64";
+    }
+    .${stdenv.hostPlatform.parsed.cpu.name}
+      or (throw "unsupported platform ${stdenv.hostPlatform.parsed.cpu.name}");
+
   electron-headers = runCommand "electron-headers" { } ''
     mkdir -p $out
     tar -C $out --strip-components=1 -xvf ${electron.headers}
   '';
 
   libsignal-node = callPackage ./libsignal-node.nix { inherit nodejs; };
 
-  ringrtc-bin = callPackage ./ringrtc-bin.nix { };
+  webrtc = callPackage ./webrtc.nix { };
+  ringrtc = callPackage ./ringrtc.nix { inherit webrtc; };
 
   # Noto Color Emoji PNG files for emoji replacement; see below.
   noto-fonts-color-emoji-png = noto-fonts-color-emoji.overrideAttrs (prevAttrs: {
@@ -145,12 +163,14 @@ stdenv.mkDerivation (finalAttrs: {
       die "libsignal-client version mismatch"
     fi
 
-    if [ "`jq -r '.dependencies."@signalapp/ringrtc"' < package.json`" != "${ringrtc-bin.version}" ]
+    if [ "`jq -r '.dependencies."@signalapp/ringrtc"' < package.json`" != "${ringrtc.version}" ]
     then
       die "ringrtc version mismatch"
     fi
 
-    cp -r ${ringrtc-bin} node_modules/@signalapp/ringrtc/build
+    mkdir -p node_modules/@signalapp/ringrtc/build
+    install -D ${ringrtc}/lib/libringrtc${stdenv.hostPlatform.extensions.library} \
+      node_modules/@signalapp/ringrtc/build/${nodeOS}/libringrtc-${nodeArch}.node
 
     rm -fr node_modules/@signalapp/libsignal-client/prebuilds
     cp -r ${libsignal-node}/lib node_modules/@signalapp/libsignal-client/prebuilds
@@ -218,7 +238,8 @@ stdenv.mkDerivation (finalAttrs: {
   passthru = {
     inherit
       libsignal-node
-      ringrtc-bin
+      ringrtc
+      webrtc
       sticker-creator
       ;
     tests.application-launch = nixosTests.signal-desktop;

pkgs/by-name/si/signal-desktop-source/ringrtc-bin.nix

@@ -0,0 +1,45 @@
+{
+  rustPlatform,
+  lib,
+  fetchFromGitHub,
+  cmake,
+  protobuf,
+  webrtc,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "ringrtc";
+  version = "2.50.3";
+
+  src = fetchFromGitHub {
+    owner = "signalapp";
+    repo = "ringrtc";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-EuryWZMMTkrDPheVv0wBsH+zL3LylxSSPS+nNnn3cmM=";
+  };
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-/c+tpTh5X05HLqAHsA/YvWxqy7TSUy49g6OtIQg+rMs=";
+
+  cargoBuildFlags = [
+    "-p"
+    "ringrtc"
+    "--features"
+    "electron"
+  ];
+  doCheck = false;
+
+  nativeBuildInputs = [
+    protobuf
+    cmake
+  ];
+  buildInputs = [
+    webrtc
+  ];
+
+  meta = {
+    homepage = "https://github.com/signalapp/ringrtc";
+    description = "RingRTC library used by Signal";
+    license = lib.licenses.agpl3Only;
+    platforms = lib.platforms.unix;
+  };
+})

pkgs/by-name/si/signal-desktop-source/ringrtc.nix

@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p bash nix-update common-updater-scripts curl coreutils jq
+#!nix-shell -i bash -p bash nix-update common-updater-scripts curl coreutils jq gclient2nix
 
 set -ex
 
@@ -19,10 +19,12 @@ releaseEpoch=`date -d $releaseDate +%s`
 packageJson="`curl_github "https://raw.githubusercontent.com/signalapp/Signal-Desktop/refs/tags/$releaseTag/package.json"`"
 
 latestVersion="`jq -r '.version' <<< $packageJson`"
-nodeVersion="`jq -r '.engines.node' <<< $packageJson | head -c2`"
-electronVersion="`jq -r '.devDependencies.electron' <<< $packageJson | head -c2`"
+nodeVersion="`jq -r '.engines.node' <<< $packageJson | cut -d. -f1`"
+electronVersion="`jq -r '.devDependencies.electron' <<< $packageJson | cut -d. -f1`"
 libsignalClientVersion=`jq -r '.dependencies."@signalapp/libsignal-client"' <<< $packageJson`
 ringrtcVersion=`jq -r '.dependencies."@signalapp/ringrtc"' <<< $packageJson`
+ringrtcVersionProperties="`curl_github "https://raw.githubusercontent.com/signalapp/ringrtc/refs/tags/v$ringrtcVersion/config/version.properties"`"
+webrtcVersion="`grep --only-matching "^webrtc.version=.*$" <<< $ringrtcVersionProperties | sed "s/webrtc.version=//g"`"
 
 sed -E -i "s/(nodejs_)../\1$nodeVersion/" $SCRIPT_DIR/package.nix
 sed -E -i "s/(electron_)../\1$electronVersion/" $SCRIPT_DIR/package.nix
@@ -44,4 +46,9 @@ update-source-version signal-desktop-source.libsignal-node \
   --ignore-same-version \
   --source-key=npmDeps
 
-update-source-version signal-desktop-source.ringrtc-bin "$ringrtcVersion"
+update-source-version signal-desktop-source.ringrtc "$ringrtcVersion"
+update-source-version signal-desktop-source.ringrtc \
+  --ignore-same-version \
+  --source-key=cargoDeps.vendorStaging
+
+gclient2nix generate "https://github.com/signalapp/webrtc@$webrtcVersion" > $SCRIPT_DIR/webrtc-sources.json