libsignal-ffi: init at 0.36.1

pkgs/by-name/li/libsignal-ffi/package.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, runCommand, xcodebuild, protobuf, boringssl }:
+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 ${boringssl.dev}/include include
+  '';
+in
+rustPlatform.buildRustPackage rec {
+  pname = "libsignal-ffi";
+  # must match the version used in mautrix-signal
+  # see https://github.com/mautrix/signal/issues/401
+  version = "0.36.1";
+
+  src = fetchFromGitHub {
+    owner = "signalapp";
+    repo = "libsignal";
+    rev = "v${version}";
+    hash = "sha256-UD4E2kI1ZNtFhwBGphTzF37NHqbSZjQGHbliOWAMYOE=";
+  };
+
+  nativeBuildInputs = [ protobuf ] ++ lib.optionals stdenv.isDarwin [ xcodebuild ];
+  buildInputs = [ rustPlatform.bindgenHook ];
+
+  env.BORING_BSSL_PATH = "${boringssl-wrapper}";
+
+  # The Cargo.lock contains git dependencies
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "boring-3.1.0" = "sha256-R6hh4K57mgV10nuVcMZETvxlQsMsmGapgCQ7pjuognk=";
+      "curve25519-dalek-4.1.1" = "sha256-p9Vx0lAaYILypsI4/RVsHZLOqZKaa4Wvf7DanLA38pc=";
+    };
+  };
+
+  cargoBuildFlags = [ "-p" "libsignal-ffi" ];
+
+  meta = with lib; {
+    description = "A C ABI library which exposes Signal protocol logic";
+    homepage = "https://github.com/signalapp/libsignal";
+    license = licenses.agpl3Plus;
+    maintainers = with maintainers; [ niklaskorz ];
+  };
+}