61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // 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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| 
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| package session
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| 
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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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| 
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| 	"github.com/Unknwon/com"
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| )
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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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| 
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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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| 
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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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| 
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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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