gRPC JSON transcoding - msbuild includes proto dependencies (#44999)

Author: JamesNK

THIRD-PARTY-NOTICES.txt

@@ -343,3 +343,36 @@ FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+License notice for gRPC
+===================================
+
+Copyright 2019 The gRPC Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+---
+
+Copyright (c) 2015, Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

src/Grpc/JsonTranscoding/src/Microsoft.AspNetCore.Grpc.JsonTranscoding/Microsoft.AspNetCore.Grpc.JsonTranscoding.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>HTTP API for gRPC ASP.NET Core</Description>
     <PackageTags>gRPC RPC HTTP/2 REST</PackageTags>
@@ -28,5 +28,14 @@
     <Reference Include="Google.Api.CommonProtos" />
     <Reference Include="Google.Protobuf" />
     <Reference Include="Grpc.AspNetCore.Server" />
+
+    <None Update="protos\google\api\*.proto">
+      <Pack>true</Pack>
+      <PackagePath>content</PackagePath>
+    </None>
+    <None Include="build\*.targets">
+      <Pack>true</Pack>
+      <PackagePath>build</PackagePath>
+    </None>
   </ItemGroup>
 </Project>

src/Grpc/JsonTranscoding/src/Microsoft.AspNetCore.Grpc.JsonTranscoding/build/Microsoft.AspNetCore.Grpc.JsonTranscoding.targets

@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- This targets file allows annotations.proto and http.proto, which are bundled in package, to be included in Grpc.Tools compilation. -->
+  <!-- This saves the developer having to find and copy these files to the right location when doing gRPC JSON transcoding. -->
+  <PropertyGroup>
+    <!-- The path of the proto files. Content from the nupkg. -->
+    <GrpcJsonTranscoding_ProtosPath>$( [System.IO.Path]::GetFullPath($(MSBuildThisFileDirectory)../content/protos) )</GrpcJsonTranscoding_ProtosPath>
+  </PropertyGroup>
+
+  <!-- Run immediately before the Protobuf_BeforeCompile extension point. -->
+  <!-- Only include protos if project has set <IncludeHttpRuleProtos> property to true. -->
+  <Target Name="GrpcJsonTranscoding_BeforeCompile"
+          BeforeTargets="Protobuf_BeforeCompile"
+          Condition=" '$(IncludeHttpRuleProtos)' == 'true' ">
+    <PropertyGroup>
+      <!-- Add nupkg proto files by including path in Protobuf_StandardImportsPath. -->
+      <!-- See more info about Grpc.Tools build integration at https://github.com/grpc/grpc/blob/master/src/csharp/BUILD-INTEGRATION.md. -->
+      <Protobuf_StandardImportsPath>$(Protobuf_StandardImportsPath);$(GrpcJsonTranscoding_ProtosPath)</Protobuf_StandardImportsPath>
+    </PropertyGroup>
+    <Message Text="Included proto files at $(GrpcJsonTranscoding_ProtosPath) in import path." Importance="high" />
+    <Message Text="Updated proto imports path: $(Protobuf_StandardImportsPath)" Importance="high" />
+  </Target>
+</Project>

src/Grpc/JsonTranscoding/src/Microsoft.AspNetCore.Grpc.JsonTranscoding/protos/google/api/annotations.proto

@@ -0,0 +1,31 @@
+// Copyright (c) 2015, Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}