diff options
Diffstat (limited to 'server')
| -rw-r--r-- | server/auth.go | 61 | ||||
| -rw-r--r-- | server/go.mod | 12 | ||||
| -rw-r--r-- | server/go.sum | 94 | ||||
| -rw-r--r-- | server/grpc.go | 45 | ||||
| -rw-r--r-- | server/rest.go | 40 | ||||
| -rw-r--r-- | server/server.go | 34 |
6 files changed, 286 insertions, 0 deletions
diff --git a/server/auth.go b/server/auth.go new file mode 100644 index 0000000..7d0f4a9 --- /dev/null +++ b/server/auth.go @@ -0,0 +1,61 @@ +package server + +import ( + "fmt" + "git.rodere.systems/stream-service/api" + "golang.org/x/net/context" + "google.golang.org/grpc" + "google.golang.org/grpc/metadata" + "log" + "strings" +) + +// private type for Context keys +type contextKey int + +const ( + clientIDKey contextKey = iota +) + +func credMatcher(headerName string) (mdName string, ok bool) { + if headerName == "Login" || headerName == "Password" { + return headerName, true + } + return "", false +} + +// authenticateAgent check the client credentials +func authenticateClient(ctx context.Context, s *api.Server) (string, error) { + if md, ok := metadata.FromIncomingContext(ctx); ok { + clientLogin := strings.Join(md["login"], "") + clientPassword := strings.Join(md["password"], "") + + if clientLogin != "john" { + return "", fmt.Errorf("unknown user %s", clientLogin) + } + if clientPassword != "doe" { + return "", fmt.Errorf("bad password %s", clientPassword) + } + + log.Printf("authenticated client: %s", clientLogin) + + return "42", nil + } + return "", fmt.Errorf("missing credentials") +} + +// unaryInterceptor call authenticateClient with current context +func unaryInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) { + s, ok := info.Server.(*api.Server) + if !ok { + return nil, fmt.Errorf("unable to cast server") + } + clientID, err := authenticateClient(ctx, s) + if err != nil { + return nil, err + } + + ctx = context.WithValue(ctx, clientIDKey, clientID) + + return handler(ctx, req) +} diff --git a/server/go.mod b/server/go.mod new file mode 100644 index 0000000..d7734bd --- /dev/null +++ b/server/go.mod @@ -0,0 +1,12 @@ +module server + +go 1.14 + +require ( + github.com/grpc-ecosystem/grpc-gateway v1.14.6 + golang.org/x/net v0.0.0-20200602114024-627f9648deb9 + google.golang.org/grpc v1.30.0 + git.rodere.systems/stream-service/api v0.0.0 +) + +replace git.rodere.systems/stream-service/api => /home/gnusosa/dev/go/stream-service/api diff --git a/server/go.sum b/server/go.sum new file mode 100644 index 0000000..91b05fa --- /dev/null +++ b/server/go.sum @@ -0,0 +1,94 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= +github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= +github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I= 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a/server/grpc.go b/server/grpc.go new file mode 100644 index 0000000..cd383da --- /dev/null +++ b/server/grpc.go @@ -0,0 +1,45 @@ +package server + +import ( + "fmt" + "git.rodere.systems/stream-service/api" + "google.golang.org/grpc" + "google.golang.org/grpc/credentials" + "log" + "net" +) + +func startGRPCServer(address, certFile, keyFile string) error { + // create a listener on TCP port + lis, err := net.Listen("tcp", address) + if err != nil { + return fmt.Errorf("failed to listen: %v", err) + } + + // create a server instance + s := api.Server{} + + // Create the TLS credentials + creds, err := credentials.NewServerTLSFromFile(certFile, keyFile) + if err != nil { + return fmt.Errorf("could not load TLS keys: %s", err) + } + + // Create an array of gRPC options with the credentials + opts := []grpc.ServerOption{grpc.Creds(creds), + grpc.UnaryInterceptor(unaryInterceptor)} + + // create a gRPC server object + grpcServer := grpc.NewServer(opts...) + + // attach the Ping service to the server + api.RegisterPingServer(grpcServer, &s) + + // start the server + log.Printf("starting HTTP/2 gRPC server on %s", address) + if err := grpcServer.Serve(lis); err != nil { + return fmt.Errorf("failed to serve: %s", err) + } + + return nil +} diff --git a/server/rest.go b/server/rest.go new file mode 100644 index 0000000..3dd0f0c --- /dev/null +++ b/server/rest.go @@ -0,0 +1,40 @@ +package server + +import ( + "fmt" + "git.rodere.systems/stream-service/api" + "github.com/grpc-ecosystem/grpc-gateway/runtime" + "golang.org/x/net/context" + "google.golang.org/grpc" + "google.golang.org/grpc/credentials" + "log" + "net/http" +) + +// Start the REST HTTP API server +func startRESTServer(address, grpcAddress, certFile string) error { + ctx := context.Background() + ctx, cancel := context.WithCancel(ctx) + defer cancel() + + mux := runtime.NewServeMux(runtime.WithIncomingHeaderMatcher(credMatcher)) + + creds, err := credentials.NewClientTLSFromFile(certFile, "") + if err != nil { + return fmt.Errorf("could not load TLS certificate: %s", err) + } + + // Setup the client gRPC options + opts := []grpc.DialOption{grpc.WithTransportCredentials(creds)} + + // Register ping + err = api.RegisterPingHandlerFromEndpoint(ctx, mux, grpcAddress, opts) + if err != nil { + return fmt.Errorf("could not register service Ping: %s", err) + } + + log.Printf("starting HTTP/1.1 REST server on %s", address) + http.ListenAndServe(address, mux) + + return nil +} diff --git a/server/server.go b/server/server.go new file mode 100644 index 0000000..c80d892 --- /dev/null +++ b/server/server.go @@ -0,0 +1,34 @@ +package server + +import ( + "fmt" + "log" +) + +// start a gRPC/REST HTTP server and waits for connection +func runServers() { + grpcAddress := fmt.Sprintf("%s:%d", "localhost", 7777) + restAddress := fmt.Sprintf("%s:%d", "localhost", 7778) + certFile := "cert/server.crt" + keyFile := "cert/server.key" + + // fire the gRPC server in a goroutine + go func() { + err := startGRPCServer(grpcAddress, certFile, keyFile) + if err != nil { + log.Fatalf("failed to start gRPC server: %s", err) + } + }() + + // fire the REST server in a goroutine + go func() { + err := startRESTServer(restAddress, grpcAddress, certFile) + if err != nil { + log.Fatalf("failed to start REST server: %s", err) + } + }() + + // infinite loop + log.Printf("Entering infinite loop") + select {} +} |