1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
14 * The Original Code is Mozilla XML-RPC Client component.
16 * The Initial Developer of the Original Code is
17 * Digital Creations 2, Inc.
18 * Portions created by the Initial Developer are Copyright (C) 2000
19 * the Initial Developer. All Rights Reserved.
22 * Martijn Pieters <mj@digicool.com> (original author)
23 * Samuel Sieb <samuel@sieb.net>
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 // From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956
41 /* Convert data (an array of integers) to a Base64 string. */
42 var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
45 function toBase64(data) {
47 var length = data.length;
49 // Convert every three bytes to 4 ascii characters.
50 for (i = 0; i < (length - 2); i += 3) {
51 result += toBase64Table[data.charCodeAt(i) >> 2];
52 result += toBase64Table[((data.charCodeAt(i) & 0x03) << 4) + (data.charCodeAt(i+1) >> 4)];
53 result += toBase64Table[((data.charCodeAt(i+1) & 0x0f) << 2) + (data.charCodeAt(i+2) >> 6)];
54 result += toBase64Table[data.charCodeAt(i+2) & 0x3f];
57 // Convert the remaining 1 or 2 bytes, pad out to 4 characters.
59 i = length - (length%3);
60 result += toBase64Table[data.charCodeAt(i) >> 2];
61 if ((length%3) == 2) {
62 result += toBase64Table[((data.charCodeAt(i) & 0x03) << 4) + (data.charCodeAt(i+1) >> 4)];
63 result += toBase64Table[(data.charCodeAt(i+1) & 0x0f) << 2];
66 result += toBase64Table[(data.charCodeAt(i) & 0x03) << 4];
67 result += base64Pad + base64Pad;
74 /* Convert Base64 data to a string */
76 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
77 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
78 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
79 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
80 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
81 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
82 -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
83 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
86 function base64ToString(data) {
88 var leftbits = 0; // number of bits decoded, but yet to be appended
89 var leftdata = 0; // bits decoded, but yet to be appended
91 // Convert one by one.
92 for (var i = 0; i < data.length; i++) {
93 var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
94 var padding = (data.charCodeAt(i) == base64Pad.charCodeAt(0));
95 // Skip illegal characters and whitespace
96 if (c == -1) continue;
98 // Collect data into leftdata, update bitcount
99 leftdata = (leftdata << 6) | c;
102 // If we have 8 or more bits, append 8 bits to the result
105 // Append if not padding.
107 result += String.fromCharCode((leftdata >> leftbits) & 0xff);
108 leftdata &= (1 << leftbits) - 1;
112 // If there are any bits left, the base64 string was corrupted
114 throw Components.Exception('Corrupted base64 string');
121 for ( var i = 0; i < 8192; i++ )
122 str += String.fromCharCode( (25 * Math.random()) + 97 );
124 for ( var i = 8192; i <= 16384; i *= 2 ) {
128 base64 = toBase64(str);
129 base64ToString(base64);
135 toBinaryTable = null;