func TestGetExtensionStability(t *testing.T) {
check := func(m *pb.MyMessage) bool {
ext1, err := proto.GetExtension(m, pb.E_Ext_More)
if err != nil {
t.Fatalf("GetExtension() failed: %s", err)
}
ext2, err := proto.GetExtension(m, pb.E_Ext_More)
if err != nil {
t.Fatalf("GetExtension() failed: %s", err)
}
return ext1 == ext2
}
msg := &pb.MyMessage{Count: proto.Int32(4)}
ext0 := &pb.Ext{}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext0); err != nil {
t.Fatalf("Could not set ext1: %s", ext0)
}
if !check(msg) {
t.Errorf("GetExtension() not stable before marshaling")
}
bb, err := proto.Marshal(msg)
if err != nil {
t.Fatalf("Marshal() failed: %s", err)
}
msg1 := &pb.MyMessage{}
err = proto.Unmarshal(bb, msg1)
if err != nil {
t.Fatalf("Unmarshal() failed: %s", err)
}
if !check(msg1) {
t.Errorf("GetExtension() not stable after unmarshaling")
}
}
// Take n tokens from bucket t, key k
func (client *Client) Take(t string, k string, n int32) (response *limitd.Response, takeResponse *limitd.TakeResponse, err error) {
requestID := uniuri.New()
request := &limitd.Request{
Id: proto.String(requestID),
Method: limitd.Request_TAKE.Enum(),
Type: proto.String(t),
Key: proto.String(k),
Count: proto.Int32(n),
}
// goprotobuf.EncodeVarint followed by proto.Marshal
responseChan := make(chan *limitd.Response)
client.PendingRequests[requestID] = responseChan
data, _ := proto.Marshal(request)
data = append(proto.EncodeVarint(uint64(len(data))), data...)
client.Conn.Write(data)
response = <-responseChan
takeR, err := proto.GetExtension(response, limitd.E_TakeResponse_Response)
if err != nil {
return
}
if takeResponseCasted, ok := takeR.(*limitd.TakeResponse); ok {
takeResponse = takeResponseCasted
}
return
}
// SetPackageNames sets the package name for this run.
// The package name must agree across all files being generated.
func (g *Generator) SetPackageNames() {
for _, f := range g.allFiles {
pkgName := ""
if f.Options != nil {
extMap := f.GetOptions().ExtensionMap()
if _, ok := extMap[50000]; ok {
itf, err := proto.GetExtension(
f.GetOptions(), javascript_package.E_JavascriptPackage)
if err == nil {
pkgName = *itf.(*string)
}
}
}
if pkgName == "" {
pkgName = f.GetPackage()
}
uniquePackageName[f.FileDescriptorProto] = pkgName
registerUniquePackageName(pkgName, f)
if f == g.genFiles[0] {
g.packageName = pkgName
}
}
}
func fillTreeWithMethod(tree *tree, key string, proto *descriptor.MethodDescriptorProto, loc string, locs map[string]*descriptor.SourceCodeInfo_Location) *method {
key = fmt.Sprintf("%s.%s", key, proto.GetName())
tree.methods[key] = &method{key: key, comment: getComment(loc, locs), MethodDescriptorProto: proto}
if input, ok := tree.messages[proto.GetInputType()]; ok {
tree.methods[key].input = input
}
if proto.GetClientStreaming() {
tree.methods[key].inputStream = true
}
if output, ok := tree.messages[proto.GetOutputType()]; ok {
tree.methods[key].output = output
}
if proto.GetServerStreaming() {
tree.methods[key].outputStream = true
}
if proto.Options != nil && protobuf.HasExtension(proto.Options, gateway.E_Http) {
ext, err := protobuf.GetExtension(proto.Options, gateway.E_Http)
if err == nil {
if opts, ok := ext.(*gateway.HttpRule); ok {
if endpoint := newEndpoint(opts); endpoint != nil {
tree.methods[key].endpoints = append(tree.methods[key].endpoints, endpoint)
}
for _, opts := range opts.AdditionalBindings {
if endpoint := newEndpoint(opts); endpoint != nil {
tree.methods[key].endpoints = append(tree.methods[key].endpoints, endpoint)
}
}
}
}
}
return tree.methods[key]
}
func newServerContactReqChan(conn *ricochetConn, msg *packet.OpenChannel) (*contactReqChan, error) {
ch := new(contactReqChan)
ch.conn = conn
ch.chanID = (uint16)(msg.GetChannelIdentifier())
ch.reqData = new(ContactRequest)
ext, err := proto.GetExtension(msg, packet.E_ContactRequest)
if err != nil {
return nil, err
}
if ext == nil {
return nil, fmt.Errorf("server: missing ContactRequest extension")
}
req := ext.(*packet.ContactRequest)
ch.reqData.Hostname = conn.hostname
ch.reqData.MyNickname = req.GetNickname()
if len(ch.reqData.MyNickname) > ContactReqNicknameMaxCharacters {
return nil, fmt.Errorf("server: ContactRequest nickname too long")
}
ch.reqData.Message = req.GetMessageText()
if len(ch.reqData.Message) > ContactReqMessageMaxCharacters {
return nil, fmt.Errorf("server: ContactRequest message too long")
}
return ch, nil
}
func TestExtensionsRoundTrip(t *testing.T) {
msg := &pb.MyMessage{}
ext1 := &pb.Ext{
Data: proto.String("hi"),
}
ext2 := &pb.Ext{
Data: proto.String("there"),
}
exists := proto.HasExtension(msg, pb.E_Ext_More)
if exists {
t.Error("Extension More present unexpectedly")
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
t.Error(err)
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext2); err != nil {
t.Error(err)
}
e, err := proto.GetExtension(msg, pb.E_Ext_More)
if err != nil {
t.Error(err)
}
x, ok := e.(*pb.Ext)
if !ok {
t.Errorf("e has type %T, expected testdata.Ext", e)
} else if *x.Data != "there" {
t.Errorf("SetExtension failed to overwrite, got %+v, not 'there'", x)
}
proto.ClearExtension(msg, pb.E_Ext_More)
if _, err = proto.GetExtension(msg, pb.E_Ext_More); err != proto.ErrMissingExtension {
t.Errorf("got %v, expected ErrMissingExtension", e)
}
if _, err := proto.GetExtension(msg, pb.E_X215); err == nil {
t.Error("expected bad extension error, got nil")
}
if err := proto.SetExtension(msg, pb.E_X215, 12); err == nil {
t.Error("expected extension err")
}
if err := proto.SetExtension(msg, pb.E_Ext_More, 12); err == nil {
t.Error("expected some sort of type mismatch error, got nil")
}
}
func int64AsNumber(field *descriptor.FieldDescriptorProto) bool {
var int64Encoding int64_encoding.Int64Encoding
if field.Options != nil {
extMap := field.GetOptions().ExtensionMap()
if _, ok := extMap[50001]; ok {
itf, err := proto.GetExtension(field.GetOptions(), int64_encoding.E_Jstype)
if err == nil {
int64Encoding = *itf.(*int64_encoding.Int64Encoding)
}
}
}
return int64Encoding == int64_encoding.Int64Encoding_JS_NUMBER
}
func newServerAuthHSChan(conn *ricochetConn, msg *packet.OpenChannel) (*authHSChan, error) {
ch := new(authHSChan)
ch.conn = conn
ch.chanID = (uint16)(msg.GetChannelIdentifier())
ext, err := proto.GetExtension(msg, packet.E_ClientCookie)
if err != nil {
return nil, err
}
ch.clientCookie = ext.([]byte)
if len(ch.clientCookie) != authHiddenServiceCookieSize {
return nil, fmt.Errorf("invalid AuthHiddenService client_cookie")
}
return ch, nil
}
func convertFile(file *descriptor.FileDescriptorProto) ([]*plugin.CodeGeneratorResponse_File, error) {
name := path.Base(file.GetName())
pkg, ok := globalPkg.relativelyLookupPackage(file.GetPackage())
if !ok {
return nil, fmt.Errorf("no such package found: %s", file.GetPackage())
}
response := []*plugin.CodeGeneratorResponse_File{}
for _, msg := range file.GetMessageType() {
options := msg.GetOptions()
if options == nil {
continue
}
if !proto.HasExtension(options, E_TableName) {
continue
}
optionValue, err := proto.GetExtension(options, E_TableName)
if err != nil {
return nil, err
}
tableName := *optionValue.(*string)
if len(tableName) == 0 {
return nil, fmt.Errorf("table name of %s cannot be empty", msg.GetName())
}
glog.V(2).Info("Generating schema for a message type ", msg.GetName())
schema, err := convertMessageType(pkg, msg)
if err != nil {
glog.Errorf("Failed to convert %s: %v", name, err)
return nil, err
}
jsonSchema, err := json.Marshal(schema)
if err != nil {
glog.Error("Failed to encode schema", err)
return nil, err
}
resFile := &plugin.CodeGeneratorResponse_File{
Name: proto.String(fmt.Sprintf("%s/%s.schema", strings.Replace(file.GetPackage(), ".", "/", -1), tableName)),
Content: proto.String(string(jsonSchema)),
}
response = append(response, resFile)
}
return response, nil
}
func extractAPIOptions(meth *descriptor.MethodDescriptorProto) (*options.HttpRule, error) {
if meth.Options == nil {
return nil, nil
}
if !proto.HasExtension(meth.Options, options.E_Http) {
return nil, nil
}
ext, err := proto.GetExtension(meth.Options, options.E_Http)
if err != nil {
return nil, err
}
opts, ok := ext.(*options.HttpRule)
if !ok {
return nil, fmt.Errorf("extension is %T; want an HttpRule", ext)
}
return opts, nil
}
func (ch *contactReqChan) onChannelResult(msg *packet.ChannelResult) error {
if ch.conn.isServer {
return fmt.Errorf("opened contact req channel to client")
}
if ch.state != chanStateOpening {
return fmt.Errorf("received spurious ContactRequest ChannelResult")
}
ch.state = chanStateOpen
// If this routine was called, the channel WAS opened, without incident.
// Extract the response, and take action accordingly.
ext, err := proto.GetExtension(msg, packet.E_Response)
if err != nil {
return err
}
resp := ext.(*packet.ContactRequestResponse)
return ch.onResponse(resp)
}
func (ch *authHSChan) onChannelResult(msg *packet.ChannelResult) error {
if ch.conn.isServer {
return fmt.Errorf("opened auth channel to client")
}
if ch.state != chanStateOpening {
return fmt.Errorf("received spurious AuthHiddenService ChannelResult")
}
ch.state = chanStateOpen
// If this routine was called, the channel WAS opened, without incident.
// Extract the server cookie, and send the proof.
ext, err := proto.GetExtension(msg, packet.E_ServerCookie)
if err != nil {
return err
}
ch.serverCookie = ext.([]byte)
if len(ch.serverCookie) != authHiddenServiceCookieSize {
return fmt.Errorf("invalid AuthHiddenService server_cookie")
}
// Encode the public key to DER.
pkDER, err := pkcs1.EncodePublicKeyDER(&ch.conn.endpoint.privateKey.PublicKey)
if err != nil {
return err
}
// Calculate the proof.
proof := ch.calculateProof(ch.conn.endpoint.hostname, ch.conn.hostname)
// Sign the proof.
sig, err := rsa.SignPKCS1v15(rand.Reader, ch.conn.endpoint.privateKey, crypto.SHA256, proof)
if err != nil {
return err
}
return ch.sendProof(pkDER, sig)
}
// Extract extracts a compilation from the specified extra action info.
func (c *Config) Extract(ctx context.Context, info *eapb.ExtraActionInfo) (*kindex.Compilation, error) {
si, err := proto.GetExtension(info, eapb.E_SpawnInfo_SpawnInfo)
if err != nil {
return nil, fmt.Errorf("extra action does not have SpawnInfo: %v", err)
}
spawnInfo := si.(*eapb.SpawnInfo)
// Verify that the mnemonic is what we expect.
if m := info.GetMnemonic(); m != c.Mnemonic && c.Mnemonic != "" {
return nil, fmt.Errorf("mnemonic does not match %q ≠ %q", m, c.Mnemonic)
}
// Construct the basic compilation.
toolArgs := extractToolArgs(spawnInfo.Argument)
log.Printf("Extracting compilation for %q", info.GetOwner())
cu := &kindex.Compilation{
Proto: &apb.CompilationUnit{
VName: &spb.VName{
Language: govname.Language,
Corpus: c.Corpus,
Signature: info.GetOwner(),
},
Argument: toolArgs.fullArgs,
SourceFile: toolArgs.sources,
WorkingDirectory: c.Root,
Environment: []*apb.CompilationUnit_Env{{
Name: "GOROOT",
Value: toolArgs.goRoot,
}},
},
}
// Load and populate file contents and required inputs. Do this in two
// passes: First scan the inputs and filter out which ones we actually want
// to keep; then load their contents concurrently.
var wantPaths []string
for _, in := range spawnInfo.InputFile {
if toolArgs.wantInput(in) {
wantPaths = append(wantPaths, in)
cu.Files = append(cu.Files, nil)
cu.Proto.RequiredInput = append(cu.Proto.RequiredInput, nil)
}
}
// Fetch concurrently. Each element of the proto slices is accessed by a
// single goroutine corresponding to its index.
log.Printf("Reading file contents for %d required inputs", len(wantPaths))
start := time.Now()
var wg sync.WaitGroup
for i, path := range wantPaths {
i, path := i, path
wg.Add(1)
go func() {
defer wg.Done()
fd, err := c.readFile(ctx, path)
if err != nil {
log.Fatalf("Unable to read input %q: %v", path, err)
}
cu.Files[i] = fd
cu.Proto.RequiredInput[i] = c.fileDataToInfo(fd)
}()
}
wg.Wait()
log.Printf("Finished reading required inputs [%v elapsed]", time.Since(start))
// Set the output path. Although the SpawnInfo has room for multiple
// outputs, we expect only one to be set in practice. It's harmless if
// there are more, though, so don't fail for that.
for _, out := range spawnInfo.OutputFile {
cu.Proto.OutputKey = out
break
}
// Capture environment variables.
for _, evar := range spawnInfo.Variable {
if evar.GetName() == "PATH" {
// TODO(fromberger): Perhaps whitelist or blacklist which
// environment variables to capture here.
continue
}
cu.Proto.Environment = append(cu.Proto.Environment, &apb.CompilationUnit_Env{
Name: evar.GetName(),
Value: evar.GetValue(),
})
}
return cu, nil
}
// ProcessConnection starts a blocking process loop which continually waits for
// new messages to arrive from the connection and uses the given RicochetService
// to process them.
func (r *Ricochet) processConnection(oc *OpenConnection, service RicochetService) {
service.OnConnect(oc)
defer service.OnDisconnect(oc)
for {
if oc.Closed {
return
}
packet, err := r.rni.RecvRicochetPacket(oc.conn)
if err != nil {
oc.Close()
return
}
if len(packet.Data) == 0 {
service.OnChannelClosed(oc, packet.Channel)
continue
}
if packet.Channel == 0 {
res := new(Protocol_Data_Control.Packet)
err := proto.Unmarshal(packet.Data[:], res)
if err != nil {
service.OnGenericError(oc, packet.Channel)
continue
}
if res.GetOpenChannel() != nil {
opm := res.GetOpenChannel()
if oc.GetChannelType(opm.GetChannelIdentifier()) != "none" {
// Channel is already in use.
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
continue
}
// If I am a Client, the server can only open even numbered channels
if oc.Client && opm.GetChannelIdentifier()%2 != 0 {
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
continue
}
// If I am a Server, the client can only open odd numbered channels
if !oc.Client && opm.GetChannelIdentifier()%2 != 1 {
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
continue
}
switch opm.GetChannelType() {
case "im.ricochet.auth.hidden-service":
if oc.Client {
// Servers are authed by default and can't auth with hidden-service
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
} else if oc.IsAuthed {
// Can't auth if already authed
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
} else if oc.HasChannel("im.ricochet.auth.hidden-service") {
// Can't open more than 1 auth channel
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
} else {
clientCookie, err := proto.GetExtension(opm, Protocol_Data_AuthHiddenService.E_ClientCookie)
if err == nil {
clientCookieB := [16]byte{}
copy(clientCookieB[:], clientCookie.([]byte)[:])
service.OnAuthenticationRequest(oc, opm.GetChannelIdentifier(), clientCookieB)
} else {
// Must include Client Cookie
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
}
}
case "im.ricochet.chat":
if !oc.IsAuthed {
// Can't open chat channel if not authorized
service.OnUnauthorizedError(oc, opm.GetChannelIdentifier())
} else if !service.IsKnownContact(oc.OtherHostname) {
// Can't open chat channel if not a known contact
service.OnUnauthorizedError(oc, opm.GetChannelIdentifier())
} else {
service.OnOpenChannelRequest(oc, opm.GetChannelIdentifier(), "im.ricochet.chat")
}
case "im.ricochet.contact.request":
if oc.Client {
// Servers are not allowed to send contact requests
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
} else if !oc.IsAuthed {
// Can't open a contact channel if not authed
service.OnUnauthorizedError(oc, opm.GetChannelIdentifier())
} else if oc.HasChannel("im.ricochet.contact.request") {
// Only 1 contact channel is allowed to be open at a time
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
} else {
contactRequestI, err := proto.GetExtension(opm, Protocol_Data_ContactRequest.E_ContactRequest)
if err == nil {
contactRequest, check := contactRequestI.(*Protocol_Data_ContactRequest.ContactRequest)
if check {
service.OnContactRequest(oc, opm.GetChannelIdentifier(), contactRequest.GetNickname(), contactRequest.GetMessageText())
break
}
}
service.OnBadUsageError(oc, opm.GetChannelIdentifier())
}
default:
service.OnUnknownTypeError(oc, opm.GetChannelIdentifier())
}
} else if res.GetChannelResult() != nil {
crm := res.GetChannelResult()
if crm.GetOpened() {
switch oc.GetChannelType(crm.GetChannelIdentifier()) {
case "im.ricochet.auth.hidden-service":
serverCookie, err := proto.GetExtension(crm, Protocol_Data_AuthHiddenService.E_ServerCookie)
if err == nil {
serverCookieB := [16]byte{}
copy(serverCookieB[:], serverCookie.([]byte)[:])
service.OnAuthenticationChallenge(oc, crm.GetChannelIdentifier(), serverCookieB)
} else {
service.OnBadUsageError(oc, crm.GetChannelIdentifier())
}
case "im.ricochet.chat":
service.OnOpenChannelRequestSuccess(oc, crm.GetChannelIdentifier())
case "im.ricochet.contact.request":
responseI, err := proto.GetExtension(res.GetChannelResult(), Protocol_Data_ContactRequest.E_Response)
if err == nil {
response, check := responseI.(*Protocol_Data_ContactRequest.Response)
if check {
service.OnContactRequestAck(oc, crm.GetChannelIdentifier(), response.GetStatus().String())
break
}
}
service.OnBadUsageError(oc, crm.GetChannelIdentifier())
default:
service.OnBadUsageError(oc, crm.GetChannelIdentifier())
}
} else {
if oc.GetChannelType(crm.GetChannelIdentifier()) != "none" {
service.OnFailedChannelOpen(oc, crm.GetChannelIdentifier(), crm.GetCommonError().String())
} else {
oc.CloseChannel(crm.GetChannelIdentifier())
}
}
} else {
// Unknown Message
oc.CloseChannel(packet.Channel)
}
} else if oc.GetChannelType(packet.Channel) == "im.ricochet.auth.hidden-service" {
res := new(Protocol_Data_AuthHiddenService.Packet)
err := proto.Unmarshal(packet.Data[:], res)
if err != nil {
oc.CloseChannel(packet.Channel)
continue
}
if res.GetProof() != nil && !oc.Client { // Only Clients Send Proofs
service.OnAuthenticationProof(oc, packet.Channel, res.GetProof().GetPublicKey(), res.GetProof().GetSignature(), service.IsKnownContact(oc.OtherHostname))
} else if res.GetResult() != nil && oc.Client { // Only Servers Send Results
service.OnAuthenticationResult(oc, packet.Channel, res.GetResult().GetAccepted(), res.GetResult().GetIsKnownContact())
} else {
// If neither of the above are satisfied we just close the connection
oc.Close()
}
} else if oc.GetChannelType(packet.Channel) == "im.ricochet.chat" {
// NOTE: These auth checks should be redundant, however they
// are included here for defense-in-depth if for some reason
// a previously authed connection becomes untrusted / not known and
// the state is not cleaned up.
if !oc.IsAuthed {
// Can't send chat messages if not authorized
service.OnUnauthorizedError(oc, packet.Channel)
} else if !service.IsKnownContact(oc.OtherHostname) {
// Can't send chat message if not a known contact
service.OnUnauthorizedError(oc, packet.Channel)
} else {
res := new(Protocol_Data_Chat.Packet)
err := proto.Unmarshal(packet.Data[:], res)
if err != nil {
oc.CloseChannel(packet.Channel)
continue
}
if res.GetChatMessage() != nil {
service.OnChatMessage(oc, packet.Channel, int32(res.GetChatMessage().GetMessageId()), res.GetChatMessage().GetMessageText())
} else if res.GetChatAcknowledge() != nil {
service.OnChatMessageAck(oc, packet.Channel, int32(res.GetChatMessage().GetMessageId()))
} else {
// If neither of the above are satisfied we just close the connection
oc.Close()
}
}
} else if oc.GetChannelType(packet.Channel) == "im.ricochet.contact.request" {
// NOTE: These auth checks should be redundant, however they
// are included here for defense-in-depth if for some reason
// a previously authed connection becomes untrusted / not known and
// the state is not cleaned up.
if !oc.Client {
// Clients are not allowed to send contact request responses
service.OnBadUsageError(oc, packet.Channel)
} else if !oc.IsAuthed {
// Can't send a contact request if not authed
service.OnBadUsageError(oc, packet.Channel)
} else {
res := new(Protocol_Data_ContactRequest.Response)
err := proto.Unmarshal(packet.Data[:], res)
log.Printf("%v", res)
if err != nil {
oc.CloseChannel(packet.Channel)
continue
}
service.OnContactRequestAck(oc, packet.Channel, res.GetStatus().String())
}
} else if oc.GetChannelType(packet.Channel) == "none" {
// Invalid Channel Assignment
oc.CloseChannel(packet.Channel)
} else {
oc.Close()
}
}
}
func main() {
msg := plugin.CodeGeneratorRequest{}
buff, err := ioutil.ReadAll(os.Stdin)
if err != nil {
panic(err)
}
if err := proto.Unmarshal(buff, &msg); err != nil {
panic(err)
}
ret := &plugin.CodeGeneratorResponse{}
defer func() {
buff, _ := proto.Marshal(ret)
os.Stdout.Write(buff)
}()
param := msg.GetParameter()
imports := map[string]string{}
sources := map[string]string{}
for _, p := range strings.Split(param, ",") {
if len(p) == 0 {
continue
}
if p[0] == 'M' {
parts := strings.Split(p[1:], "=")
imports[parts[0]] = parts[1]
}
}
messages := map[string]message{}
for _, file := range msg.GetProtoFile() {
for _, msg := range file.GetMessageType() {
m := message{}
for _, f := range msg.GetField() {
m.Fields = append(m.Fields, field{
ProtoName: f.GetName(),
GoName: goise(f.GetName()),
})
}
messages["."+file.GetPackage()+"."+msg.GetName()] = m
sources["."+file.GetPackage()+"."+msg.GetName()] = file.GetName()
}
}
for _, file := range msg.GetProtoFile() {
services := map[string]service{}
goPackage := "main"
if file.GetOptions() != nil {
goPackage = file.GetOptions().GetGoPackage()
}
for _, svc := range file.GetService() {
s := service{
GoName: goise(svc.GetName()),
}
for _, meth := range svc.GetMethod() {
m := method{
GoName: goise(meth.GetName()),
GoInputType: goise(meth.GetInputType()),
Input: messages[meth.GetInputType()],
InputType: meth.GetInputType(),
}
if meth.GetOptions() == nil {
continue
}
if tmp, err := proto.GetExtension(meth.GetOptions(), google_api.E_Http); err == nil {
http := tmp.(*google_api.HttpRule)
if http.Get != "" {
m.PathArgs = parsePath(messages, meth, http.Get)
m.Path = http.Get
m.Method = "GET"
}
if http.Put != "" {
m.PathArgs = parsePath(messages, meth, http.Put)
m.Path = http.Put
m.Method = "PUT"
}
if http.Post != "" {
m.PathArgs = parsePath(messages, meth, http.Post)
m.Path = http.Post
m.Method = "POST"
}
if http.Delete != "" {
m.PathArgs = parsePath(messages, meth, http.Delete)
m.Path = http.Delete
m.Method = "DELETE"
}
if http.Body != "" {
if m.Method == "PUT" || m.Method == "POST" {
m.Body = http.Body
m.GoBodyName = goise(http.Body)
} else {
log.Printf("WARN: Got http.body on non-put, non-post method.")
}
}
}
s.Methods = append(s.Methods, m)
}
if len(s.Methods) > 0 {
services[svc.GetName()] = s
}
}
if len(services) > 0 {
fname := strings.Replace(file.GetName(), ".proto", ".pb.kit.go", 1)
buff := bytes.NewBuffer(nil)
imps := map[string]string{}
impUsages := map[string]int{}
for _, svc := range services {
for _, meth := range svc.Methods {
src := sources[meth.InputType]
if src == file.GetName() {
continue
}
impUsages[src] = impUsages[src] + 1
}
}
for k := range impUsages {
if v, ok := imports[k]; ok {
imps[k] = v
continue
}
fmt.Fprintf(os.Stderr, "Import %q is unknown.", k)
}
fileTemplate.Execute(buff, struct {
Package string
Imports map[string]string
Services map[string]service
}{goPackage, imps, services})
data := buff.String()
ret.File = append(ret.File, &plugin.CodeGeneratorResponse_File{
Name: &fname,
Content: &data,
})
}
}
}
// marshalObject writes a struct to the Writer.
func (m *Marshaler) marshalObject(out *errWriter, v proto.Message, indent string) error {
out.write("{")
if m.Indent != "" {
out.write("\n")
}
s := reflect.ValueOf(v).Elem()
firstField := true
for i := 0; i < s.NumField(); i++ {
value := s.Field(i)
valueField := s.Type().Field(i)
if strings.HasPrefix(valueField.Name, "XXX_") {
continue
}
// TODO: proto3 objects should have default values omitted.
// IsNil will panic on most value kinds.
switch value.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
if value.IsNil() {
continue
}
}
// Oneof fields need special handling.
if valueField.Tag.Get("protobuf_oneof") != "" {
// value is an interface containing &T{real_value}.
sv := value.Elem().Elem() // interface -> *T -> T
value = sv.Field(0)
valueField = sv.Type().Field(0)
}
prop := jsonProperties(valueField)
if !firstField {
m.writeSep(out)
}
if err := m.marshalField(out, prop, value, indent); err != nil {
return err
}
firstField = false
}
// Handle proto2 extensions.
if ep, ok := v.(extendableProto); ok {
extensions := proto.RegisteredExtensions(v)
extensionMap := ep.ExtensionMap()
// Sort extensions for stable output.
ids := make([]int32, 0, len(extensionMap))
for id := range extensionMap {
ids = append(ids, id)
}
sort.Sort(int32Slice(ids))
for _, id := range ids {
desc := extensions[id]
if desc == nil {
// unknown extension
continue
}
ext, extErr := proto.GetExtension(ep, desc)
if extErr != nil {
return extErr
}
value := reflect.ValueOf(ext)
var prop proto.Properties
prop.Parse(desc.Tag)
prop.OrigName = fmt.Sprintf("[%s]", desc.Name)
if !firstField {
m.writeSep(out)
}
if err := m.marshalField(out, &prop, value, indent); err != nil {
return err
}
firstField = false
}
}
if m.Indent != "" {
out.write("\n")
out.write(indent)
}
out.write("}")
return out.err
}
// marshalObject writes a struct to the Writer.
func (m *Marshaler) marshalObject(out *errWriter, v proto.Message, indent string) error {
s := reflect.ValueOf(v).Elem()
// Handle well-known types.
type wkt interface {
XXX_WellKnownType() string
}
if wkt, ok := v.(wkt); ok {
switch wkt.XXX_WellKnownType() {
case "DoubleValue", "FloatValue", "Int64Value", "UInt64Value",
"Int32Value", "UInt32Value", "BoolValue", "StringValue", "BytesValue":
// "Wrappers use the same representation in JSON
// as the wrapped primitive type, ..."
sprop := proto.GetProperties(s.Type())
return m.marshalValue(out, sprop.Prop[0], s.Field(0), indent)
case "Duration":
// "Generated output always contains 3, 6, or 9 fractional digits,
// depending on required precision."
s, ns := s.Field(0).Int(), s.Field(1).Int()
d := time.Duration(s)*time.Second + time.Duration(ns)*time.Nanosecond
x := fmt.Sprintf("%.9f", d.Seconds())
x = strings.TrimSuffix(x, "000")
x = strings.TrimSuffix(x, "000")
out.write(`"`)
out.write(x)
out.write(`s"`)
return out.err
case "Timestamp":
// "RFC 3339, where generated output will always be Z-normalized
// and uses 3, 6 or 9 fractional digits."
s, ns := s.Field(0).Int(), s.Field(1).Int()
t := time.Unix(s, ns).UTC()
// time.RFC3339Nano isn't exactly right (we need to get 3/6/9 fractional digits).
x := t.Format("2006-01-02T15:04:05.000000000")
x = strings.TrimSuffix(x, "000")
x = strings.TrimSuffix(x, "000")
out.write(`"`)
out.write(x)
out.write(`Z"`)
return out.err
}
}
out.write("{")
if m.Indent != "" {
out.write("\n")
}
firstField := true
for i := 0; i < s.NumField(); i++ {
value := s.Field(i)
valueField := s.Type().Field(i)
if strings.HasPrefix(valueField.Name, "XXX_") {
continue
}
// IsNil will panic on most value kinds.
switch value.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
if value.IsNil() {
continue
}
}
if !m.EmitDefaults {
switch value.Kind() {
case reflect.Bool:
if !value.Bool() {
continue
}
case reflect.Int32, reflect.Int64:
if value.Int() == 0 {
continue
}
case reflect.Uint32, reflect.Uint64:
if value.Uint() == 0 {
continue
}
case reflect.Float32, reflect.Float64:
if value.Float() == 0 {
continue
}
case reflect.String:
if value.Len() == 0 {
continue
}
}
}
// Oneof fields need special handling.
if valueField.Tag.Get("protobuf_oneof") != "" {
// value is an interface containing &T{real_value}.
sv := value.Elem().Elem() // interface -> *T -> T
value = sv.Field(0)
valueField = sv.Type().Field(0)
}
prop := jsonProperties(valueField, m.OrigName)
if !firstField {
m.writeSep(out)
}
if err := m.marshalField(out, prop, value, indent); err != nil {
return err
}
firstField = false
}
// Handle proto2 extensions.
if ep, ok := v.(extendableProto); ok {
extensions := proto.RegisteredExtensions(v)
extensionMap := ep.ExtensionMap()
// Sort extensions for stable output.
ids := make([]int32, 0, len(extensionMap))
for id := range extensionMap {
ids = append(ids, id)
}
sort.Sort(int32Slice(ids))
for _, id := range ids {
desc := extensions[id]
if desc == nil {
// unknown extension
continue
}
ext, extErr := proto.GetExtension(ep, desc)
if extErr != nil {
return extErr
}
value := reflect.ValueOf(ext)
var prop proto.Properties
prop.Parse(desc.Tag)
prop.JSONName = fmt.Sprintf("[%s]", desc.Name)
if !firstField {
m.writeSep(out)
}
if err := m.marshalField(out, &prop, value, indent); err != nil {
return err
}
firstField = false
}
}
if m.Indent != "" {
out.write("\n")
out.write(indent)
}
out.write("}")
return out.err
}
func TestMarshalUnmarshalRepeatedExtension(t *testing.T) {
// Add a repeated extension to the result.
tests := []struct {
name string
ext []*pb.ComplexExtension
}{
{
"two fields",
[]*pb.ComplexExtension{
{First: proto.Int32(7)},
{Second: proto.Int32(11)},
},
},
{
"repeated field",
[]*pb.ComplexExtension{
{Third: []int32{1000}},
{Third: []int32{2000}},
},
},
{
"two fields and repeated field",
[]*pb.ComplexExtension{
{Third: []int32{1000}},
{First: proto.Int32(9)},
{Second: proto.Int32(21)},
{Third: []int32{2000}},
},
},
}
for _, test := range tests {
// Marshal message with a repeated extension.
msg1 := new(pb.OtherMessage)
err := proto.SetExtension(msg1, pb.E_RComplex, test.ext)
if err != nil {
t.Fatalf("[%s] Error setting extension: %v", test.name, err)
}
b, err := proto.Marshal(msg1)
if err != nil {
t.Fatalf("[%s] Error marshaling message: %v", test.name, err)
}
// Unmarshal and read the merged proto.
msg2 := new(pb.OtherMessage)
err = proto.Unmarshal(b, msg2)
if err != nil {
t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
}
e, err := proto.GetExtension(msg2, pb.E_RComplex)
if err != nil {
t.Fatalf("[%s] Error getting extension: %v", test.name, err)
}
ext := e.([]*pb.ComplexExtension)
if ext == nil {
t.Fatalf("[%s] Invalid extension", test.name)
}
if !reflect.DeepEqual(ext, test.ext) {
t.Errorf("[%s] Wrong value for ComplexExtension: got: %v want: %v\n", test.name, ext, test.ext)
}
}
}
func TestGetExtensionDefaults(t *testing.T) {
var setFloat64 float64 = 1
var setFloat32 float32 = 2
var setInt32 int32 = 3
var setInt64 int64 = 4
var setUint32 uint32 = 5
var setUint64 uint64 = 6
var setBool = true
var setBool2 = false
var setString = "Goodnight string"
var setBytes = []byte("Goodnight bytes")
var setEnum = pb.DefaultsMessage_TWO
type testcase struct {
ext *proto.ExtensionDesc // Extension we are testing.
want interface{} // Expected value of extension, or nil (meaning that GetExtension will fail).
def interface{} // Expected value of extension after ClearExtension().
}
tests := []testcase{
{pb.E_NoDefaultDouble, setFloat64, nil},
{pb.E_NoDefaultFloat, setFloat32, nil},
{pb.E_NoDefaultInt32, setInt32, nil},
{pb.E_NoDefaultInt64, setInt64, nil},
{pb.E_NoDefaultUint32, setUint32, nil},
{pb.E_NoDefaultUint64, setUint64, nil},
{pb.E_NoDefaultSint32, setInt32, nil},
{pb.E_NoDefaultSint64, setInt64, nil},
{pb.E_NoDefaultFixed32, setUint32, nil},
{pb.E_NoDefaultFixed64, setUint64, nil},
{pb.E_NoDefaultSfixed32, setInt32, nil},
{pb.E_NoDefaultSfixed64, setInt64, nil},
{pb.E_NoDefaultBool, setBool, nil},
{pb.E_NoDefaultBool, setBool2, nil},
{pb.E_NoDefaultString, setString, nil},
{pb.E_NoDefaultBytes, setBytes, nil},
{pb.E_NoDefaultEnum, setEnum, nil},
{pb.E_DefaultDouble, setFloat64, float64(3.1415)},
{pb.E_DefaultFloat, setFloat32, float32(3.14)},
{pb.E_DefaultInt32, setInt32, int32(42)},
{pb.E_DefaultInt64, setInt64, int64(43)},
{pb.E_DefaultUint32, setUint32, uint32(44)},
{pb.E_DefaultUint64, setUint64, uint64(45)},
{pb.E_DefaultSint32, setInt32, int32(46)},
{pb.E_DefaultSint64, setInt64, int64(47)},
{pb.E_DefaultFixed32, setUint32, uint32(48)},
{pb.E_DefaultFixed64, setUint64, uint64(49)},
{pb.E_DefaultSfixed32, setInt32, int32(50)},
{pb.E_DefaultSfixed64, setInt64, int64(51)},
{pb.E_DefaultBool, setBool, true},
{pb.E_DefaultBool, setBool2, true},
{pb.E_DefaultString, setString, "Hello, string"},
{pb.E_DefaultBytes, setBytes, []byte("Hello, bytes")},
{pb.E_DefaultEnum, setEnum, pb.DefaultsMessage_ONE},
}
checkVal := func(test testcase, msg *pb.DefaultsMessage, valWant interface{}) error {
val, err := proto.GetExtension(msg, test.ext)
if err != nil {
if valWant != nil {
return fmt.Errorf("GetExtension(): %s", err)
}
if want := proto.ErrMissingExtension; err != want {
return fmt.Errorf("Unexpected error: got %v, want %v", err, want)
}
return nil
}
// All proto2 extension values are either a pointer to a value or a slice of values.
ty := reflect.TypeOf(val)
tyWant := reflect.TypeOf(test.ext.ExtensionType)
if got, want := ty, tyWant; got != want {
return fmt.Errorf("unexpected reflect.TypeOf(): got %v want %v", got, want)
}
tye := ty.Elem()
tyeWant := tyWant.Elem()
if got, want := tye, tyeWant; got != want {
return fmt.Errorf("unexpected reflect.TypeOf().Elem(): got %v want %v", got, want)
}
// Check the name of the type of the value.
// If it is an enum it will be type int32 with the name of the enum.
if got, want := tye.Name(), tye.Name(); got != want {
return fmt.Errorf("unexpected reflect.TypeOf().Elem().Name(): got %v want %v", got, want)
}
// Check that value is what we expect.
// If we have a pointer in val, get the value it points to.
valExp := val
if ty.Kind() == reflect.Ptr {
valExp = reflect.ValueOf(val).Elem().Interface()
}
if got, want := valExp, valWant; !reflect.DeepEqual(got, want) {
return fmt.Errorf("unexpected reflect.DeepEqual(): got %v want %v", got, want)
}
return nil
}
setTo := func(test testcase) interface{} {
setTo := reflect.ValueOf(test.want)
if typ := reflect.TypeOf(test.ext.ExtensionType); typ.Kind() == reflect.Ptr {
setTo = reflect.New(typ).Elem()
setTo.Set(reflect.New(setTo.Type().Elem()))
setTo.Elem().Set(reflect.ValueOf(test.want))
}
return setTo.Interface()
}
for _, test := range tests {
msg := &pb.DefaultsMessage{}
name := test.ext.Name
// Check the initial value.
if err := checkVal(test, msg, test.def); err != nil {
t.Errorf("%s: %v", name, err)
}
// Set the per-type value and check value.
name = fmt.Sprintf("%s (set to %T %v)", name, test.want, test.want)
if err := proto.SetExtension(msg, test.ext, setTo(test)); err != nil {
t.Errorf("%s: SetExtension(): %v", name, err)
continue
}
if err := checkVal(test, msg, test.want); err != nil {
t.Errorf("%s: %v", name, err)
continue
}
// Set and check the value.
name += " (cleared)"
proto.ClearExtension(msg, test.ext)
if err := checkVal(test, msg, test.def); err != nil {
t.Errorf("%s: %v", name, err)
}
}
}
func TestUnmarshalRepeatingNonRepeatedExtension(t *testing.T) {
// We may see multiple instances of the same extension in the wire
// format. For example, the proto compiler may encode custom options in
// this way. Here, we verify that we merge the extensions together.
tests := []struct {
name string
ext []*pb.ComplexExtension
}{
{
"two fields",
[]*pb.ComplexExtension{
{First: proto.Int32(7)},
{Second: proto.Int32(11)},
},
},
{
"repeated field",
[]*pb.ComplexExtension{
{Third: []int32{1000}},
{Third: []int32{2000}},
},
},
{
"two fields and repeated field",
[]*pb.ComplexExtension{
{Third: []int32{1000}},
{First: proto.Int32(9)},
{Second: proto.Int32(21)},
{Third: []int32{2000}},
},
},
}
for _, test := range tests {
var buf bytes.Buffer
var want pb.ComplexExtension
// Generate a serialized representation of a repeated extension
// by catenating bytes together.
for i, e := range test.ext {
// Merge to create the wanted proto.
proto.Merge(&want, e)
// serialize the message
msg := new(pb.OtherMessage)
err := proto.SetExtension(msg, pb.E_Complex, e)
if err != nil {
t.Fatalf("[%s] Error setting extension %d: %v", test.name, i, err)
}
b, err := proto.Marshal(msg)
if err != nil {
t.Fatalf("[%s] Error marshaling message %d: %v", test.name, i, err)
}
buf.Write(b)
}
// Unmarshal and read the merged proto.
msg2 := new(pb.OtherMessage)
err := proto.Unmarshal(buf.Bytes(), msg2)
if err != nil {
t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
}
e, err := proto.GetExtension(msg2, pb.E_Complex)
if err != nil {
t.Fatalf("[%s] Error getting extension: %v", test.name, err)
}
ext := e.(*pb.ComplexExtension)
if ext == nil {
t.Fatalf("[%s] Invalid extension", test.name)
}
if !reflect.DeepEqual(*ext, want) {
t.Errorf("[%s] Wrong value for ComplexExtension: got: %s want: %s\n", test.name, ext, want)
}
}
}
