mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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99 lines
3.1 KiB
Go
99 lines
3.1 KiB
Go
/*
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*
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* Copyright 2020 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// Package insecure provides an implementation of the
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// credentials.TransportCredentials interface which disables transport security.
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package insecure
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import (
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"context"
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"net"
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"google.golang.org/grpc/credentials"
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)
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// NewCredentials returns a credentials which disables transport security.
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//
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// Note that using this credentials with per-RPC credentials which require
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// transport security is incompatible and will cause grpc.Dial() to fail.
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func NewCredentials() credentials.TransportCredentials {
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return insecureTC{}
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}
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// insecureTC implements the insecure transport credentials. The handshake
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// methods simply return the passed in net.Conn and set the security level to
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// NoSecurity.
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type insecureTC struct{}
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func (insecureTC) ClientHandshake(ctx context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
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return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil
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}
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func (insecureTC) ServerHandshake(conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
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return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil
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}
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func (insecureTC) Info() credentials.ProtocolInfo {
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return credentials.ProtocolInfo{SecurityProtocol: "insecure"}
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}
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func (insecureTC) Clone() credentials.TransportCredentials {
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return insecureTC{}
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}
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func (insecureTC) OverrideServerName(string) error {
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return nil
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}
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// info contains the auth information for an insecure connection.
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// It implements the AuthInfo interface.
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type info struct {
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credentials.CommonAuthInfo
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}
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// AuthType returns the type of info as a string.
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func (info) AuthType() string {
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return "insecure"
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}
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// insecureBundle implements an insecure bundle.
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// An insecure bundle provides a thin wrapper around insecureTC to support
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// the credentials.Bundle interface.
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type insecureBundle struct{}
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// NewBundle returns a bundle with disabled transport security and no per rpc credential.
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func NewBundle() credentials.Bundle {
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return insecureBundle{}
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}
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// NewWithMode returns a new insecure Bundle. The mode is ignored.
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func (insecureBundle) NewWithMode(string) (credentials.Bundle, error) {
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return insecureBundle{}, nil
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}
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// PerRPCCredentials returns an nil implementation as insecure
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// bundle does not support a per rpc credential.
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func (insecureBundle) PerRPCCredentials() credentials.PerRPCCredentials {
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return nil
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}
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// TransportCredentials returns the underlying insecure transport credential.
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func (insecureBundle) TransportCredentials() credentials.TransportCredentials {
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return NewCredentials()
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}
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