signal-desktop-source: build libsignal from source

Author: marcin-serwin

pkgs/by-name/si/signal-desktop-source/libsignal-node.nix

@@ -0,0 +1,87 @@
+{
+  stdenv,
+  rustPlatform,
+  fetchNpmDeps,
+  npmHooks,
+  protobuf,
+  clang,
+  gitMinimal,
+  cmake,
+  boringssl,
+  runCommand,
+  fetchFromGitHub,
+  python3,
+  nodejs,
+
+}:
+let
+  # boring-sys expects the static libraries in build/ instead of lib/
+  boringssl-wrapper = runCommand "boringssl-wrapper" { } ''
+    mkdir $out
+    cd $out
+    ln -s ${boringssl.out}/lib build
+    ln -s ${boringssl.dev}/include include
+  '';
+in
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "libsignal-node";
+  version = "0.67.0";
+
+  src = fetchFromGitHub {
+    owner = "signalapp";
+    repo = "libsignal";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-Cwra5o9g2+M3dboQUuBikRWyaydL/CGwOfJbImsFRoI=";
+  };
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-KVt4ESHaHDtD+pcaMMG/DMMznYGpWleEf7uTZB45Ud0=";
+
+  npmRoot = "node";
+  npmDeps = fetchNpmDeps {
+    name = "${finalAttrs.pname}-npm-deps";
+    inherit (finalAttrs) version src;
+    sourceRoot = "${finalAttrs.src.name}/${finalAttrs.npmRoot}";
+    hash = "sha256-TXRZFfdl86PLJ1FWOkTcXjbx8aZV7gEvs22Pu8b5uFU=";
+  };
+
+  nativeBuildInputs = [
+    python3
+    protobuf
+    nodejs
+    clang
+    gitMinimal
+    cmake
+    npmHooks.npmConfigHook
+    rustPlatform.bindgenHook
+  ];
+  env.BORING_BSSL_PATH = "${boringssl-wrapper}";
+  env.NIX_LDFLAGS = if stdenv.hostPlatform.isDarwin then "-lc++" else "-lstdc++";
+
+  patchPhase = ''
+    runHook prePatch
+
+    substituteInPlace node/binding.gyp \
+      --replace-fail "'--out-dir', '<(PRODUCT_DIR)/'," \
+                     "'--out-dir', '$out/lib/<(NODE_OS_NAME)-<(target_arch)/'," \
+      --replace-fail "'target_name': 'libsignal_client_<(NODE_OS_NAME)_<(target_arch).node'," \
+                     "'target_name': '@signalapp+libsignal-client',"
+
+    substituteInPlace node/build_node_bridge.py \
+      --replace-fail "dst_base = 'libsignal_client_%s_%s' % (node_os_name, node_arch)" \
+                     "dst_base = '@signalapp+libsignal-client'"
+
+    runHook postPatch
+  '';
+
+  buildPhase = ''
+    runHook preBuild
+
+    pushd node
+    npx node-gyp rebuild
+    popd
+
+    runHook postBuild
+  '';
+
+  dontCargoInstall = true;
+})

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

@@ -29,6 +29,7 @@ let
   '';
 
   sqlcipher-signal-extension = callPackage ./sqlcipher-signal-extension.nix { };
+  libsignal-node = callPackage ./libsignal-node.nix { inherit nodejs; };
 
   ringrtc = stdenv.mkDerivation (finalAttrs: {
     pname = "ringrtc-bin";
@@ -71,6 +72,7 @@ let
       runHook postInstall
     '';
   });
+
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "signal-desktop-source";
@@ -122,6 +124,9 @@ stdenv.mkDerivation (finalAttrs: {
     cp ${sqlcipher-signal-extension}/share/sqlite3.gyp node_modules/@signalapp/better-sqlite3/deps/sqlite3.gyp
 
     cp -r ${ringrtc} node_modules/@signalapp/ringrtc/build
+
+    rm -fr node_modules/@signalapp/libsignal-client/prebuilds
+    cp -r ${libsignal-node}/lib node_modules/@signalapp/libsignal-client/prebuilds
   '';
 
   buildPhase = ''
@@ -183,7 +188,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   passthru = {
-    inherit sqlcipher-signal-extension;
+    inherit sqlcipher-signal-extension libsignal-node;
   };
 
   meta = {
@@ -215,7 +220,6 @@ stdenv.mkDerivation (finalAttrs: {
       fromSource
 
       # ringrtc
-      # node_modules/@signalapp/libsignal-client/prebuilds/
       binaryNativeCode
     ];
   };