Files
gitea/routers/api/bots/grpc/grpc.go
2022-11-25 17:48:44 +08:00

81 lines
2.0 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package grpc
import (
"context"
"net/http"
"strings"
"code.gitea.io/gitea/models/bots"
"gitea.com/gitea/proto-go/ping/v1/pingv1connect"
"gitea.com/gitea/proto-go/runner/v1/runnerv1connect"
"github.com/bufbuild/connect-go"
grpcreflect "github.com/bufbuild/connect-grpcreflect-go"
"google.golang.org/grpc/health/grpc_health_v1"
)
// RouteFn gRPC route registration
type RouteFn func() (string, http.Handler)
var compress1KB = connect.WithCompressMinBytes(1024)
var allServices = []string{
runnerv1connect.RunnerServiceName,
pingv1connect.PingServiceName,
grpc_health_v1.Health_ServiceDesc.ServiceName,
}
func V1Route() (string, http.Handler) {
// grpcV1
return grpcreflect.NewHandlerV1(
grpcreflect.NewStaticReflector(allServices...),
compress1KB,
)
}
func V1AlphaRoute() (string, http.Handler) {
// grpcV1Alpha
return grpcreflect.NewHandlerV1Alpha(
grpcreflect.NewStaticReflector(allServices...),
compress1KB,
)
}
var withRunner = connect.WithInterceptors(connect.UnaryInterceptorFunc(func(unaryFunc connect.UnaryFunc) connect.UnaryFunc {
return func(ctx context.Context, request connect.AnyRequest) (connect.AnyResponse, error) {
if methodName(request) == "Register" {
return unaryFunc(ctx, request)
}
uuid := request.Header().Get("X-Runner-Token") // TODO: shouldn't be X-Runner-Token, maybe X-Runner-UUID
// TODO: get runner from db, refuse request if it doesn't exist
r := &bots.Runner{
UUID: uuid,
}
ctx = context.WithValue(ctx, runnerCtxKey{}, r)
return unaryFunc(ctx, request)
}
}))
func methodName(req connect.AnyRequest) string {
splits := strings.Split(req.Spec().Procedure, "/")
if len(splits) > 0 {
return splits[len(splits)-1]
}
return ""
}
type runnerCtxKey struct{}
func GetRunner(ctx context.Context) *bots.Runner {
if v := ctx.Value(runnerCtxKey{}); v != nil {
if r, ok := v.(*bots.Runner); ok {
return r
}
}
return nil
}