feat: parse runner from ctx

routers/api/bots/grpc/grpc.go

@@ -5,11 +5,14 @@
 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"
@@ -41,3 +44,37 @@ func V1AlphaRoute() (string, http.Handler) {
 		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
+}

routers/api/bots/grpc/runner.go

@@ -9,6 +9,7 @@ import (
 
 	"code.gitea.io/gitea/routers/api/bots/runner"
 	"code.gitea.io/gitea/routers/api/bots/scheduler/queue"
+
 	"gitea.com/gitea/proto-go/runner/v1/runnerv1connect"
 )
 
@@ -20,5 +21,6 @@ func RunnerRoute() (string, http.Handler) {
 	return runnerv1connect.NewRunnerServiceHandler(
 		runnerService,
 		compress1KB,
+		withRunner,
 	)
 }