transfer.sh/vendor/github.com/google/martian/auth/context.go
2019-03-17 20:19:56 +01:00

81 lines
1.6 KiB
Go

// Copyright 2015 Google Inc. All rights reserved.
//
// 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 auth
import (
"sync"
"github.com/google/martian"
)
const key = "auth.Context"
// Context contains authentication information.
type Context struct {
mu sync.RWMutex
id string
err error
}
// FromContext retrieves the auth.Context from the session.
func FromContext(ctx *martian.Context) *Context {
if v, ok := ctx.Session().Get(key); ok {
return v.(*Context)
}
actx := &Context{}
ctx.Session().Set(key, actx)
return actx
}
// ID returns the ID.
func (ctx *Context) ID() string {
ctx.mu.RLock()
defer ctx.mu.RUnlock()
return ctx.id
}
// SetID sets the ID.
func (ctx *Context) SetID(id string) {
ctx.mu.Lock()
defer ctx.mu.Unlock()
ctx.err = nil
if id == "" {
return
}
ctx.id = id
}
// SetError sets the error and resets the ID.
func (ctx *Context) SetError(err error) {
ctx.mu.Lock()
defer ctx.mu.Unlock()
ctx.id = ""
ctx.err = err
}
// Error returns the error.
func (ctx *Context) Error() error {
ctx.mu.RLock()
defer ctx.mu.RUnlock()
return ctx.err
}