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Diffstat (limited to 'webclients/novnc/include/base64.js')
-rw-r--r-- | webclients/novnc/include/base64.js | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/webclients/novnc/include/base64.js b/webclients/novnc/include/base64.js deleted file mode 100644 index 651fbad..0000000 --- a/webclients/novnc/include/base64.js +++ /dev/null @@ -1,113 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -// From: http://hg.mozilla.org/mozilla-central/raw-file/ec10630b1a54/js/src/devtools/jint/sunspider/string-base64.js - -/*jslint white: false */ -/*global console */ - -var Base64 = { - /* Convert data (an array of integers) to a Base64 string. */ - toBase64Table : 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='.split(''), - base64Pad : '=', - - encode: function (data) { - "use strict"; - var result = ''; - var toBase64Table = Base64.toBase64Table; - var length = data.length; - var lengthpad = (length % 3); - // Convert every three bytes to 4 ascii characters. - - for (var i = 0; i < (length - 2); i += 3) { - result += toBase64Table[data[i] >> 2]; - result += toBase64Table[((data[i] & 0x03) << 4) + (data[i + 1] >> 4)]; - result += toBase64Table[((data[i + 1] & 0x0f) << 2) + (data[i + 2] >> 6)]; - result += toBase64Table[data[i + 2] & 0x3f]; - } - - // Convert the remaining 1 or 2 bytes, pad out to 4 characters. - var j = 0; - if (lengthpad === 2) { - j = length - lengthpad; - result += toBase64Table[data[j] >> 2]; - result += toBase64Table[((data[j] & 0x03) << 4) + (data[j + 1] >> 4)]; - result += toBase64Table[(data[j + 1] & 0x0f) << 2]; - result += toBase64Table[64]; - } else if (lengthpad === 1) { - j = length - lengthpad; - result += toBase64Table[data[j] >> 2]; - result += toBase64Table[(data[j] & 0x03) << 4]; - result += toBase64Table[64]; - result += toBase64Table[64]; - } - - return result; - }, - - /* Convert Base64 data to a string */ - /* jshint -W013 */ - toBinaryTable : [ - -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, - -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, - -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, - 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, - -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, - 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, - -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, - 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 - ], - /* jshint +W013 */ - - decode: function (data, offset) { - "use strict"; - offset = typeof(offset) !== 'undefined' ? offset : 0; - var toBinaryTable = Base64.toBinaryTable; - var base64Pad = Base64.base64Pad; - var result, result_length; - var leftbits = 0; // number of bits decoded, but yet to be appended - var leftdata = 0; // bits decoded, but yet to be appended - var data_length = data.indexOf('=') - offset; - - if (data_length < 0) { data_length = data.length - offset; } - - /* Every four characters is 3 resulting numbers */ - result_length = (data_length >> 2) * 3 + Math.floor((data_length % 4) / 1.5); - result = new Array(result_length); - - // Convert one by one. - for (var idx = 0, i = offset; i < data.length; i++) { - var c = toBinaryTable[data.charCodeAt(i) & 0x7f]; - var padding = (data.charAt(i) === base64Pad); - // Skip illegal characters and whitespace - if (c === -1) { - console.error("Illegal character code " + data.charCodeAt(i) + " at position " + i); - continue; - } - - // Collect data into leftdata, update bitcount - leftdata = (leftdata << 6) | c; - leftbits += 6; - - // If we have 8 or more bits, append 8 bits to the result - if (leftbits >= 8) { - leftbits -= 8; - // Append if not padding. - if (!padding) { - result[idx++] = (leftdata >> leftbits) & 0xff; - } - leftdata &= (1 << leftbits) - 1; - } - } - - // If there are any bits left, the base64 string was corrupted - if (leftbits) { - err = new Error('Corrupted base64 string'); - err.name = 'Base64-Error'; - throw err; - } - - return result; - } -}; /* End of Base64 namespace */ |