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60 lines
1.6 KiB
60 lines
1.6 KiB
// Copyright 2013 Beego Authors |
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// Copyright 2014 The Macaron Authors |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"): you may |
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// not use this file except in compliance with the License. You may obtain |
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// 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, WITHOUT |
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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// License for the specific language governing permissions and limitations |
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// under the License. |
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package session |
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import ( |
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"bytes" |
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"crypto/rand" |
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"encoding/gob" |
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"io" |
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"github.com/Unknwon/com" |
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) |
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func init() { |
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gob.Register([]interface{}{}) |
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gob.Register(map[int]interface{}{}) |
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gob.Register(map[string]interface{}{}) |
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gob.Register(map[interface{}]interface{}{}) |
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gob.Register(map[string]string{}) |
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gob.Register(map[int]string{}) |
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gob.Register(map[int]int{}) |
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gob.Register(map[int]int64{}) |
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} |
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func EncodeGob(obj map[interface{}]interface{}) ([]byte, error) { |
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for _, v := range obj { |
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gob.Register(v) |
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} |
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buf := bytes.NewBuffer(nil) |
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err := gob.NewEncoder(buf).Encode(obj) |
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return buf.Bytes(), err |
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} |
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func DecodeGob(encoded []byte) (out map[interface{}]interface{}, err error) { |
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buf := bytes.NewBuffer(encoded) |
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err = gob.NewDecoder(buf).Decode(&out) |
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return out, err |
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} |
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// generateRandomKey creates a random key with the given strength. |
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func generateRandomKey(strength int) []byte { |
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k := make([]byte, strength) |
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if n, err := io.ReadFull(rand.Reader, k); n != strength || err != nil { |
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return com.RandomCreateBytes(strength) |
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} |
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return k |
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}
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