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Diffstat (limited to 'usr/local/www/javascript/base64.js')
| -rw-r--r-- | usr/local/www/javascript/base64.js | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/usr/local/www/javascript/base64.js b/usr/local/www/javascript/base64.js deleted file mode 100644 index 48d5f33..0000000 --- a/usr/local/www/javascript/base64.js +++ /dev/null @@ -1,142 +0,0 @@ -/** - * - * Base64 encode / decode - * http://www.webtoolkit.info/ - * http://www.webtoolkit.info/licence - **/ - -var Base64 = { - - // private property - _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", - - // public method for encoding - encode : function (input) { - var output = ""; - var chr1, chr2, chr3, enc1, enc2, enc3, enc4; - var i = 0; - - input = Base64._utf8_encode(input); - - while (i < input.length) { - - chr1 = input.charCodeAt(i++); - chr2 = input.charCodeAt(i++); - chr3 = input.charCodeAt(i++); - - enc1 = chr1 >> 2; - enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); - enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); - enc4 = chr3 & 63; - - if (isNaN(chr2)) { - enc3 = enc4 = 64; - } else if (isNaN(chr3)) { - enc4 = 64; - } - - output = output + - this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + - this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); - - } - - return output; - }, - - // public method for decoding - decode : function (input) { - var output = ""; - var chr1, chr2, chr3; - var enc1, enc2, enc3, enc4; - var i = 0; - - input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); - - while (i < input.length) { - - enc1 = this._keyStr.indexOf(input.charAt(i++)); - enc2 = this._keyStr.indexOf(input.charAt(i++)); - enc3 = this._keyStr.indexOf(input.charAt(i++)); - enc4 = this._keyStr.indexOf(input.charAt(i++)); - - chr1 = (enc1 << 2) | (enc2 >> 4); - chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); - chr3 = ((enc3 & 3) << 6) | enc4; - - output = output + String.fromCharCode(chr1); - - if (enc3 != 64) { - output = output + String.fromCharCode(chr2); - } - if (enc4 != 64) { - output = output + String.fromCharCode(chr3); - } - - } - - output = Base64._utf8_decode(output); - - return output; - - }, - - // private method for UTF-8 encoding - _utf8_encode : function (string) { - string = string.replace(/\r\n/g,"\n"); - var utftext = ""; - - for (var n = 0; n < string.length; n++) { - - var c = string.charCodeAt(n); - - if (c < 128) { - utftext += String.fromCharCode(c); - } - else if((c > 127) && (c < 2048)) { - utftext += String.fromCharCode((c >> 6) | 192); - utftext += String.fromCharCode((c & 63) | 128); - } - else { - utftext += String.fromCharCode((c >> 12) | 224); - utftext += String.fromCharCode(((c >> 6) & 63) | 128); - utftext += String.fromCharCode((c & 63) | 128); - } - - } - - return utftext; - }, - - // private method for UTF-8 decoding - _utf8_decode : function (utftext) { - var string = ""; - var i = 0; - var c = c1 = c2 = 0; - - while ( i < utftext.length ) { - - c = utftext.charCodeAt(i); - - if (c < 128) { - string += String.fromCharCode(c); - i++; - } - else if((c > 191) && (c < 224)) { - c2 = utftext.charCodeAt(i+1); - string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); - i += 2; - } - else { - c2 = utftext.charCodeAt(i+1); - c3 = utftext.charCodeAt(i+2); - string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); - i += 3; - } - - } - - return string; - } - -};
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