1/* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
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/
8 *
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
12 * License.
13 *
14 * The Original Code is Mozilla XML-RPC Client component.
15 *
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.
20 *
21 * Contributor(s):
22 *   Martijn Pieters <mj@digicool.com> (original author)
23 *   Samuel Sieb <samuel@sieb.net>
24 *
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.
36 *
37 * ***** END LICENSE BLOCK ***** */
38
39// From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956
40
41/* Convert data (an array of integers) to a Base64 string. */
42var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
43var base64Pad = '=';
44
45function toBase64(data) {
46    var result = '';
47    var length = data.length;
48    var i;
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];
55    }
56
57    // Convert the remaining 1 or 2 bytes, pad out to 4 characters.
58    if (length%3) {
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];
64            result += base64Pad;
65        } else {
66            result += toBase64Table[(data.charCodeAt(i) & 0x03) << 4];
67            result += base64Pad + base64Pad;
68        }
69    }
70
71    return result;
72}
73
74/* Convert Base64 data to a string */
75var toBinaryTable = [
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
84];
85
86function base64ToString(data) {
87    var result = '';
88    var leftbits = 0; // number of bits decoded, but yet to be appended
89    var leftdata = 0; // bits decoded, but yet to be appended
90
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;
97
98        // Collect data into leftdata, update bitcount
99        leftdata = (leftdata << 6) | c;
100        leftbits += 6;
101
102        // If we have 8 or more bits, append 8 bits to the result
103        if (leftbits >= 8) {
104            leftbits -= 8;
105            // Append if not padding.
106            if (!padding)
107                result += String.fromCharCode((leftdata >> leftbits) & 0xff);
108            leftdata &= (1 << leftbits) - 1;
109        }
110    }
111
112    // If there are any bits left, the base64 string was corrupted
113    if (leftbits)
114        throw Components.Exception('Corrupted base64 string');
115
116    return result;
117}
118
119var str = "";
120
121for ( var i = 0; i < 8192; i++ )
122        str += String.fromCharCode( (25 * Math.random()) + 97 );
123
124for ( var i = 8192; i <= 16384; i *= 2 ) {
125
126    var base64;
127
128    base64 = toBase64(str);
129    base64ToString(base64);
130
131    // Double the string
132    str += str;
133}
134
135toBinaryTable = null;
136