storj/pkg/auth/grpcauth/authentication.go
ethanadams 268dc6b7e4
Enable gocritic linter (#2051)
* first round cleanup based on go-critic

* more issues resolved for ifelsechain and unlambda checks

* updated from master and gocritic found a new ifElseChain issue

* disable appendAssign. i reports false positives

* re-enabled go-critic appendAssign and disabled lint check at code line level

* fixed go-critic lint error

* fixed // nolint add gocritic specifically
2019-05-29 09:14:25 -04:00

42 lines
1.2 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package grpcauth
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
"storj.io/storj/pkg/auth"
)
// NewAPIKeyInterceptor creates instance of apikey interceptor
func NewAPIKeyInterceptor() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{},
info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{},
err error) {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return handler(ctx, req)
}
apikeys, ok := md["apikey"]
if !ok || len(apikeys) == 0 {
return handler(ctx, req)
}
return handler(auth.WithAPIKey(ctx, []byte(apikeys[0])), req)
}
}
// NewAPIKeyInjector injects api key to grpc connection context
func NewAPIKeyInjector(apiKey string, callOpts ...grpc.CallOption) grpc.UnaryClientInterceptor {
return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
opts = append(opts, callOpts...)
ctx = metadata.AppendToOutgoingContext(ctx, "apikey", apiKey)
return invoker(ctx, method, req, reply, cc, opts...)
}
}