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add metadata interceptors, auth client interceptors

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Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
This commit is contained in:
Adphi
2022-03-11 12:33:18 +01:00
parent c0e79d8834
commit 97ced73270
11 changed files with 101 additions and 68 deletions
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48
service/internal_interceptors.go
View File

@ -1,48 +0,0 @@
package service
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
type mdInterceptors struct {
k, v string
}
func (i mdInterceptors) UnaryServerInterceptor() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
if err := grpc.SetHeader(ctx, metadata.Pairs(i.k, i.v)); err != nil {
return nil, err
}
return handler(ctx, req)
}
}
func (i mdInterceptors) StreamServerInterceptor() grpc.StreamServerInterceptor {
return func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
if err := grpc.SetHeader(ss.Context(), metadata.Pairs(i.k, i.v)); err != nil {
return err
}
return handler(srv, ss)
}
}
func (i mdInterceptors) UnaryClientInterceptor() grpc.UnaryClientInterceptor {
return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
if err := grpc.SetHeader(ctx, metadata.Pairs(i.k, i.v)); err != nil {
return err
}
return invoker(ctx, method, req, reply, cc, opts...)
}
}
func (i mdInterceptors) StreamClientInterceptor() grpc.StreamClientInterceptor {
return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
if err := grpc.SetHeader(ctx, metadata.Pairs(i.k, i.v)); err != nil {
return nil, err
}
return streamer(ctx, desc, cc, method, opts...)
}
}

35
service/service.go
View File

@ -28,6 +28,7 @@ import (
"google.golang.org/grpc/health/grpc_health_v1"
greflect "google.golang.org/grpc/reflection"
"go.linka.cloud/grpc/interceptors/metadata"
"go.linka.cloud/grpc/registry"
"go.linka.cloud/grpc/registry/noop"
)
@ -74,32 +75,18 @@ func newService(opts ...Option) (*service, error) {
f(s.opts)
}
if s.opts.name != "" {
s.opts.unaryServerInterceptors = append([]grpc.UnaryServerInterceptor{mdInterceptors{
k: "grpc-service-name", v: s.opts.name,
}.UnaryServerInterceptor()}, s.opts.unaryServerInterceptors...)
s.opts.unaryClientInterceptors = append([]grpc.UnaryClientInterceptor{mdInterceptors{
k: "grpc-service-name", v: s.opts.name,
}.UnaryClientInterceptor()}, s.opts.unaryClientInterceptors...)
s.opts.streamServerInterceptors = append([]grpc.StreamServerInterceptor{mdInterceptors{
k: "grpc-service-name", v: s.opts.name,
}.StreamServerInterceptor()}, s.opts.streamServerInterceptors...)
s.opts.streamClientInterceptors = append([]grpc.StreamClientInterceptor{mdInterceptors{
k: "grpc-service-name", v: s.opts.name,
}.StreamClientInterceptor()}, s.opts.streamClientInterceptors...)
i := metadata.NewInterceptors("grpc-service-name", s.opts.name)
s.opts.unaryServerInterceptors = append([]grpc.UnaryServerInterceptor{i.UnaryServerInterceptor()}, s.opts.unaryServerInterceptors...)
s.opts.unaryClientInterceptors = append([]grpc.UnaryClientInterceptor{i.UnaryClientInterceptor()}, s.opts.unaryClientInterceptors...)
s.opts.streamServerInterceptors = append([]grpc.StreamServerInterceptor{i.StreamServerInterceptor()}, s.opts.streamServerInterceptors...)
s.opts.streamClientInterceptors = append([]grpc.StreamClientInterceptor{i.StreamClientInterceptor()}, s.opts.streamClientInterceptors...)
}
if s.opts.version != "" {
s.opts.unaryServerInterceptors = append([]grpc.UnaryServerInterceptor{mdInterceptors{
k: "grpc-service-version", v: s.opts.version,
}.UnaryServerInterceptor()}, s.opts.unaryServerInterceptors...)
s.opts.unaryClientInterceptors = append([]grpc.UnaryClientInterceptor{mdInterceptors{
k: "grpc-service-version", v: s.opts.version,
}.UnaryClientInterceptor()}, s.opts.unaryClientInterceptors...)
s.opts.streamServerInterceptors = append([]grpc.StreamServerInterceptor{mdInterceptors{
k: "grpc-service-version", v: s.opts.version,
}.StreamServerInterceptor()}, s.opts.streamServerInterceptors...)
s.opts.streamClientInterceptors = append([]grpc.StreamClientInterceptor{mdInterceptors{
k: "grpc-service-version", v: s.opts.version,
}.StreamClientInterceptor()}, s.opts.streamClientInterceptors...)
i := metadata.NewInterceptors("grpc-service-version", s.opts.version)
s.opts.unaryServerInterceptors = append([]grpc.UnaryServerInterceptor{i.UnaryServerInterceptor()}, s.opts.unaryServerInterceptors...)
s.opts.unaryClientInterceptors = append([]grpc.UnaryClientInterceptor{i.UnaryClientInterceptor()}, s.opts.unaryClientInterceptors...)
s.opts.streamServerInterceptors = append([]grpc.StreamServerInterceptor{i.StreamServerInterceptor()}, s.opts.streamServerInterceptors...)
s.opts.streamClientInterceptors = append([]grpc.StreamClientInterceptor{i.StreamClientInterceptor()}, s.opts.streamClientInterceptors...)
}
if s.opts.mux == nil {
s.opts.mux = http.NewServeMux()