vendor: 增加grpc例子

vendor/gobook.examples/ch4-05-grpc-hack/tls/Makefile

@@ -0,0 +1,10 @@
+
+run:
+	@go build -o a.out && ./a.out
+	-@rm ./a.out
+
+gen:
+	protoc -I . --go_out=plugins=grpc:. helloworld.proto
+
+clean:
+	-rm *.pb.go

vendor/gobook.examples/ch4-05-grpc-hack/tls/ca.cer

@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/ca.csr

@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/ca.key

@@ -0,0 +1,18 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,61C7BEE93FF2FF7CB0347D22A335BC32
+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-----END RSA PRIVATE KEY-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/client.cer

@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/client.csr

@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBoDCCAQkCAQAwYDELMAkGA1UEBhMCQ04xDjAMBgNVBAgMBWh1YmVpMQ4wDAYD
+VQQHDAV3dWhhbjEPMA0GA1UECgwGY2xpZW50MQ8wDQYDVQQLDAZjbGllbnQxDzAN
+BgNVBAMMBmNsaWVudDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAw+3m7DVs
+k/G4Si5IZ9x1NRIEYaEFUcTabfakiAXiRbbVkQcnyPT4msJ78sroieg0Bybw+iG5
+qngcliGSbOvhSgLEd0CLleh/waqQiFxHyE3Sk2HWGjtDsDlRJy09fnzZmY+jut8F
+cwZGL0QPHb/FYgw7/nNR4lfjQ/5TV3ioVoUCAwEAAaAAMA0GCSqGSIb3DQEBCwUA
+A4GBAC7xBqiNKJzt4TXvy8y7514Im8FvrHaZtT8QaCZyzQ5CDkeTY2entzS9XGQ2
+6LVASzhblfHjWR8WdZcT+SEVDJZ96Xmy+c0+QK9cObtDqiX08XFj4Lx7Edf2PzP+
+iglDGQ6jNR64YLmyw5sTorOnk6a1rPGXyJSwy/pnWgnzyUhz
+-----END CERTIFICATE REQUEST-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/client.key

@@ -0,0 +1,18 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,75444A607F4C68746F58AD016EFC7A02
+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-----END RSA PRIVATE KEY-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/client_pri.key

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/helloworld.pb.go

@@ -0,0 +1,192 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: helloworld.proto
+
+package main
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type HelloRequest struct {
+	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *HelloRequest) Reset()         { *m = HelloRequest{} }
+func (m *HelloRequest) String() string { return proto.CompactTextString(m) }
+func (*HelloRequest) ProtoMessage()    {}
+func (*HelloRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_helloworld_04dfe859c9b956ba, []int{0}
+}
+func (m *HelloRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_HelloRequest.Unmarshal(m, b)
+}
+func (m *HelloRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_HelloRequest.Marshal(b, m, deterministic)
+}
+func (dst *HelloRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HelloRequest.Merge(dst, src)
+}
+func (m *HelloRequest) XXX_Size() int {
+	return xxx_messageInfo_HelloRequest.Size(m)
+}
+func (m *HelloRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_HelloRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HelloRequest proto.InternalMessageInfo
+
+func (m *HelloRequest) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+type HelloReply struct {
+	Message              string   `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *HelloReply) Reset()         { *m = HelloReply{} }
+func (m *HelloReply) String() string { return proto.CompactTextString(m) }
+func (*HelloReply) ProtoMessage()    {}
+func (*HelloReply) Descriptor() ([]byte, []int) {
+	return fileDescriptor_helloworld_04dfe859c9b956ba, []int{1}
+}
+func (m *HelloReply) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_HelloReply.Unmarshal(m, b)
+}
+func (m *HelloReply) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_HelloReply.Marshal(b, m, deterministic)
+}
+func (dst *HelloReply) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HelloReply.Merge(dst, src)
+}
+func (m *HelloReply) XXX_Size() int {
+	return xxx_messageInfo_HelloReply.Size(m)
+}
+func (m *HelloReply) XXX_DiscardUnknown() {
+	xxx_messageInfo_HelloReply.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HelloReply proto.InternalMessageInfo
+
+func (m *HelloReply) GetMessage() string {
+	if m != nil {
+		return m.Message
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*HelloRequest)(nil), "main.HelloRequest")
+	proto.RegisterType((*HelloReply)(nil), "main.HelloReply")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// GreeterClient is the client API for Greeter service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type GreeterClient interface {
+	SayHello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloReply, error)
+}
+
+type greeterClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewGreeterClient(cc *grpc.ClientConn) GreeterClient {
+	return &greeterClient{cc}
+}
+
+func (c *greeterClient) SayHello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloReply, error) {
+	out := new(HelloReply)
+	err := c.cc.Invoke(ctx, "/main.Greeter/SayHello", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// GreeterServer is the server API for Greeter service.
+type GreeterServer interface {
+	SayHello(context.Context, *HelloRequest) (*HelloReply, error)
+}
+
+func RegisterGreeterServer(s *grpc.Server, srv GreeterServer) {
+	s.RegisterService(&_Greeter_serviceDesc, srv)
+}
+
+func _Greeter_SayHello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HelloRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GreeterServer).SayHello(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/main.Greeter/SayHello",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GreeterServer).SayHello(ctx, req.(*HelloRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Greeter_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "main.Greeter",
+	HandlerType: (*GreeterServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "SayHello",
+			Handler:    _Greeter_SayHello_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "helloworld.proto",
+}
+
+func init() { proto.RegisterFile("helloworld.proto", fileDescriptor_helloworld_04dfe859c9b956ba) }
+
+var fileDescriptor_helloworld_04dfe859c9b956ba = []byte{
+	// 142 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0xc8, 0x48, 0xcd, 0xc9,
+	0xc9, 0x2f, 0xcf, 0x2f, 0xca, 0x49, 0xd1, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0xc9, 0x4d,
+	0xcc, 0xcc, 0x53, 0x52, 0xe2, 0xe2, 0xf1, 0x00, 0xc9, 0x04, 0xa5, 0x16, 0x96, 0xa6, 0x16, 0x97,
+	0x08, 0x09, 0x71, 0xb1, 0xe4, 0x25, 0xe6, 0xa6, 0x4a, 0x30, 0x2a, 0x30, 0x6a, 0x70, 0x06, 0x81,
+	0xd9, 0x4a, 0x6a, 0x5c, 0x5c, 0x50, 0x35, 0x05, 0x39, 0x95, 0x42, 0x12, 0x5c, 0xec, 0xb9, 0xa9,
+	0xc5, 0xc5, 0x89, 0xe9, 0x30, 0x45, 0x30, 0xae, 0x91, 0x35, 0x17, 0xbb, 0x7b, 0x51, 0x6a, 0x6a,
+	0x49, 0x6a, 0x91, 0x90, 0x01, 0x17, 0x47, 0x70, 0x62, 0x25, 0x58, 0x97, 0x90, 0x90, 0x1e, 0xc8,
+	0x26, 0x3d, 0x64, 0x6b, 0xa4, 0x04, 0x50, 0xc4, 0x0a, 0x72, 0x2a, 0x93, 0xd8, 0xc0, 0xae, 0x32,
+	0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x18, 0x38, 0x13, 0xf1, 0xa9, 0x00, 0x00, 0x00,
+}

vendor/gobook.examples/ch4-05-grpc-hack/tls/helloworld.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package main;
+
+service Greeter {
+	rpc SayHello (HelloRequest) returns (HelloReply);
+}
+
+message HelloRequest {
+	string name = 1;
+}
+
+message HelloReply {
+	string message = 1;
+}

vendor/gobook.examples/ch4-05-grpc-hack/tls/main.go

@@ -0,0 +1,128 @@
+package main
+
+import (
+	"log"
+	"net"
+	"time"
+
+	"crypto/tls"
+	"crypto/x509"
+	"io/ioutil"
+
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/reflection"
+)
+
+var (
+	port = ":5000"
+
+	ca         = "./ca.cer"
+	server_crt = "./server.cer"
+	server_key = "./server_pri.key"
+	client_crt = "./client.cer"
+	client_key = "./client_pri.key"
+)
+
+type server struct{}
+
+func (s *server) SayHello(ctx context.Context, in *HelloRequest) (*HelloReply, error) {
+	return &HelloReply{Message: "Hello " + in.Name}, nil
+}
+
+func main() {
+	go startServer()
+	time.Sleep(time.Second)
+
+	doClientWork()
+}
+
+func startServer() {
+	// Load the certificates from disk
+	certificate, err := tls.LoadX509KeyPair(server_crt, server_key)
+	if err != nil {
+		log.Panicf("could not load server key pair: %s", err)
+	}
+
+	// Create a certificate pool from the certificate authority
+	certPool := x509.NewCertPool()
+	ca, err := ioutil.ReadFile(ca)
+	if err != nil {
+		log.Panicf("could not read ca certificate: %s", err)
+	}
+
+	// Append the client certificates from the CA
+	if ok := certPool.AppendCertsFromPEM(ca); !ok {
+		log.Panic("failed to append client certs")
+	}
+
+	// Create the channel to listen on
+	lis, err := net.Listen("tcp", port)
+	if err != nil {
+		log.Panicf("could not list on %s: %s", port, err)
+	}
+
+	// Create the TLS credentials
+	creds := credentials.NewTLS(&tls.Config{
+		ClientAuth:   tls.RequireAndVerifyClientCert,
+		Certificates: []tls.Certificate{certificate},
+		ClientCAs:    certPool,
+	})
+
+	// Create the gRPC server with the credentials
+	s := grpc.NewServer(grpc.Creds(creds))
+
+	// Register the handler object
+	RegisterGreeterServer(s, &server{})
+
+	// Serve and Listen
+	if err := s.Serve(lis); err != nil {
+		log.Panicf("grpc serve error: %s", err)
+	}
+
+	// Register reflection service on gRPC server.
+	reflection.Register(s)
+	if err := s.Serve(lis); err != nil {
+		log.Fatalf("failed to serve: %v", err)
+	}
+}
+
+func doClientWork() {
+	certificate, err := tls.LoadX509KeyPair(client_crt, client_key)
+	if err != nil {
+		log.Panicf("could not load client key pair: %s", err)
+	}
+
+	// Create a certificate pool from the certificate authority
+	certPool := x509.NewCertPool()
+	ca, err := ioutil.ReadFile(ca)
+	if err != nil {
+		log.Panicf("could not read ca certificate: %s", err)
+	}
+
+	// Append the certificates from the CA
+	if ok := certPool.AppendCertsFromPEM(ca); !ok {
+		log.Panic("failed to append ca certs")
+	}
+
+	creds := credentials.NewTLS(&tls.Config{
+		ServerName:   "server", // NOTE: this is required!
+		Certificates: []tls.Certificate{certificate},
+		RootCAs:      certPool,
+	})
+
+	// Create a connection with the TLS credentials
+	conn, err := grpc.Dial("localhost"+port, grpc.WithTransportCredentials(creds))
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+
+	c := NewGreeterClient(conn)
+	r, err := c.SayHello(context.Background(), &HelloRequest{Name: "gopher"})
+	if err != nil {
+		log.Fatalf("could not greet: %v", err)
+	}
+	log.Printf("doClientWork: %s", r.Message)
+}

vendor/gobook.examples/ch4-05-grpc-hack/tls/server.cer

@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/server.csr

@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/server.key

@@ -0,0 +1,18 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,DD0D53C9377DB7A137DB6E2F79A2D1FF
+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-----END RSA PRIVATE KEY-----

vendor/gobook.examples/ch4-05-grpc-hack/tls/server_pri.key

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----