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/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package insecure provides an implementation of the
// credentials.TransportCredentials interface which disables transport security.
package insecure
import (
"context"
"net"
"google.golang.org/grpc/credentials"
)
// NewCredentials returns a credentials which disables transport security.
//
// Note that using this credentials with per-RPC credentials which require
// transport security is incompatible and will cause grpc.Dial() to fail.
func NewCredentials() credentials.TransportCredentials {
return insecureTC{}
}
// insecureTC implements the insecure transport credentials. The handshake
// methods simply return the passed in net.Conn and set the security level to
// NoSecurity.
type insecureTC struct{}
func (insecureTC) ClientHandshake(ctx context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil
}
func (insecureTC) ServerHandshake(conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil
}
func (insecureTC) Info() credentials.ProtocolInfo {
return credentials.ProtocolInfo{SecurityProtocol: "insecure"}
}
func (insecureTC) Clone() credentials.TransportCredentials {
return insecureTC{}
}
func (insecureTC) OverrideServerName(string) error {
return nil
}
// info contains the auth information for an insecure connection.
// It implements the AuthInfo interface.
type info struct {
credentials.CommonAuthInfo
}
// AuthType returns the type of info as a string.
func (info) AuthType() string {
return "insecure"
}
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