forked from Mirrors/oauth2
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
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// Copyright 2014 Google Inc. All Rights Reserved.
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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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package oauth2
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import (
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"encoding/json"
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"io/ioutil"
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)
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// Cache represents a token cacher.
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type Cache interface {
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// Read reads a cache token from the specified file.
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Read() (token *Token, err error)
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// Write writes a token to the specified file.
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Write(token *Token) (err error)
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}
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// NewFileCache creates a new file cache.
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func NewFileCache(filename string) *FileCache {
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return &FileCache{filename: filename}
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}
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// FileCache represents a file based token cacher.
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type FileCache struct {
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filename string
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}
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// Read reads a cache token from the specified file.
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func (f *FileCache) Read() (token *Token, err error) {
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data, err := ioutil.ReadFile(f.filename)
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if err != nil {
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return nil, err
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}
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token = &Token{}
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err = json.Unmarshal(data, &token)
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return token, err
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}
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// Write writes a token to the specified file.
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func (f *FileCache) Write(token *Token) error {
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data, err := json.Marshal(token)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(f.filename, data, 0644)
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}
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