hunk.code_window:                 checkPreference();
               },
               (err) => {
                   AsyncClient.dispatchError(err, 'getChannel');
               }
  
hunk.labels: keep replace replace replace keep
hunk.file_path: webapp/actions/user_actions.jsx
hunk.type: replace
file: // Copyright 2010 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
  package blowfish // import "golang.org/x/crypto/blowfish"
  
  // The code is a port of Bruce Schneier's C implementation.
  // See http://www.schneier.com/blowfish.html.
  
  import "strconv"
  
  // The Blowfish block size in bytes.
  const BlockSize = 8
  
  // A Cipher is an instance of Blowfish encryption using a particular key.
  type Cipher struct {
  	p              [18]uint32
  	s0, s1, s2, s3 [256]uint32
  }
  
  type KeySizeError int
  
  func (k KeySizeError) Error() string {
  	return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
  }
  
  // NewCipher creates and returns a Cipher.
  // The key argument should be the Blowfish key, from 1 to 56 bytes.
  func NewCipher(key []byte) (*Cipher, error) {
  	var result Cipher
  	if k := len(key); k < 1 || k > 56 {
  		return nil, KeySizeError(k)
  	}
  	initCipher(&result)
  	ExpandKey(key, &result)
  	return &result, nil
  }
  
  // NewSaltedCipher creates a returns a Cipher that folds a salt into its key
  // schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
  // sufficient and desirable. For bcrypt compatibility, the key can be over 56
  // bytes.
  func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
  	if len(salt) == 0 {
  		return NewCipher(key)
  	}
  	var result Cipher
  	if k := len(key); k < 1 {
  		return nil, KeySizeError(k)
  	}
  	initCipher(&result)
  	expandKeyWithSalt(key, salt, &result)
  	return &result, nil
  }
  
  // BlockSize returns the Blowfish block size, 8 bytes.
  // It is necessary to satisfy the Block interface in the
  // package "crypto/cipher".
  func (c *Cipher) BlockSize() int { return BlockSize }
  
  // Encrypt encrypts the 8-byte buffer src using the key k
  // and stores the result in dst.
  // Note that for amounts of data larger than a block,
  // it is not safe to just call Encrypt on successive blocks;
  // instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
  func (c *Cipher) Encrypt(dst, src []byte) {
  	l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
  	r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
  	l, r = encryptBlock(l, r, c)
  	dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
  	dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
  }
  
  // Decrypt decrypts the 8-byte buffer src using the key k
  // and stores the result in dst.
  func (c *Cipher) Decrypt(dst, src []byte) {
  	l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
  	r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
  	l, r = decryptBlock(l, r, c)
  	dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
  	dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
  }
  
  func initCipher(c *Cipher) {
  	copy(c.p[0:], p[0:])
  	copy(c.s0[0:], s0[0:])
  	copy(c.s1[0:], s1[0:])
  	copy(c.s2[0:], s2[0:])
  	copy(c.s3[0:], s3[0:])
  }
  