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Diffstat (limited to 'radicale_web/web/infcloud/lib/ie_base64.js')
| -rw-r--r-- | radicale_web/web/infcloud/lib/ie_base64.js | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/radicale_web/web/infcloud/lib/ie_base64.js b/radicale_web/web/infcloud/lib/ie_base64.js deleted file mode 100644 index 5baba0d..0000000 --- a/radicale_web/web/infcloud/lib/ie_base64.js +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Copyright (c) 2010 Nick Galbreath - * http://code.google.com/p/stringencoders/source/browse/#svn/trunk/javascript - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -/* base64 encode/decode compatible with window.btoa/atob - * - * window.atob/btoa is a Firefox extension to convert binary data (the "b") - * to base64 (ascii, the "a"). - * - * It is also found in Safari and Chrome. It is not available in IE. - * - * if (!window.btoa) window.btoa = base64.encode - * if (!window.atob) window.atob = base64.decode - * - * The original spec's for atob/btoa are a bit lacking - * https://developer.mozilla.org/en/DOM/window.atob - * https://developer.mozilla.org/en/DOM/window.btoa - * - * window.btoa and base64.encode takes a string where charCodeAt is [0,255] - * If any character is not [0,255], then an DOMException(5) is thrown. - * - * window.atob and base64.decode take a base64-encoded string - * If the input length is not a multiple of 4, or contains invalid characters - * then an DOMException(5) is thrown. - */ -var base64 = {}; -base64.PADCHAR = '='; -base64.ALPHA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; - -base64.makeDOMException = function() { - // sadly in FF,Safari,Chrome you can't make a DOMException - var e, tmp; - - try { - return new DOMException(DOMException.INVALID_CHARACTER_ERR); - } catch (tmp) { - // not available, just passback a duck-typed equiv - // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Error - // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Error/prototype - var ex = new Error("DOM Exception 5"); - - // ex.number and ex.description is IE-specific. - ex.code = ex.number = 5; - ex.name = ex.description = "INVALID_CHARACTER_ERR"; - - // Safari/Chrome output format - ex.toString = function() { return 'Error: ' + ex.name + ': ' + ex.message; }; - return ex; - } -} - -base64.getbyte64 = function(s,i) { - // This is oddly fast, except on Chrome/V8. - // Minimal or no improvement in performance by using a - // object with properties mapping chars to value (eg. 'A': 0) - var idx = base64.ALPHA.indexOf(s.charAt(i)); - if (idx === -1) { - throw base64.makeDOMException(); - } - return idx; -} - -base64.decode = function(s) { - // convert to string - s = '' + s; - var getbyte64 = base64.getbyte64; - var pads, i, b10; - var imax = s.length - if (imax === 0) { - return s; - } - - if (imax % 4 !== 0) { - throw base64.makeDOMException(); - } - - pads = 0 - if (s.charAt(imax - 1) === base64.PADCHAR) { - pads = 1; - if (s.charAt(imax - 2) === base64.PADCHAR) { - pads = 2; - } - // either way, we want to ignore this last block - imax -= 4; - } - - var x = []; - for (i = 0; i < imax; i += 4) { - b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12) | - (getbyte64(s,i+2) << 6) | getbyte64(s,i+3); - x.push(String.fromCharCode(b10 >> 16, (b10 >> 8) & 0xff, b10 & 0xff)); - } - - switch (pads) { - case 1: - b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12) | (getbyte64(s,i+2) << 6); - x.push(String.fromCharCode(b10 >> 16, (b10 >> 8) & 0xff)); - break; - case 2: - b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12); - x.push(String.fromCharCode(b10 >> 16)); - break; - } - return x.join(''); -} - -base64.getbyte = function(s,i) { - var x = s.charCodeAt(i); - if (x > 255) { - throw base64.makeDOMException(); - } - return x; -} - -base64.encode = function(s) { - if (arguments.length !== 1) { - throw new SyntaxError("Not enough arguments"); - } - var padchar = base64.PADCHAR; - var alpha = base64.ALPHA; - var getbyte = base64.getbyte; - - var i, b10; - var x = []; - - // convert to string - s = '' + s; - - var imax = s.length - s.length % 3; - - if (s.length === 0) { - return s; - } - for (i = 0; i < imax; i += 3) { - b10 = (getbyte(s,i) << 16) | (getbyte(s,i+1) << 8) | getbyte(s,i+2); - x.push(alpha.charAt(b10 >> 18)); - x.push(alpha.charAt((b10 >> 12) & 0x3F)); - x.push(alpha.charAt((b10 >> 6) & 0x3f)); - x.push(alpha.charAt(b10 & 0x3f)); - } - switch (s.length - imax) { - case 1: - b10 = getbyte(s,i) << 16; - x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) + - padchar + padchar); - break; - case 2: - b10 = (getbyte(s,i) << 16) | (getbyte(s,i+1) << 8); - x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) + - alpha.charAt((b10 >> 6) & 0x3f) + padchar); - break; - } - return x.join(''); -} |