/** *
-
Base64 encode / decode
-
stackoverflow.com/questions/246801/how-can-you-encode-a-string-to-base64-in-javascript
**/
/**
*
-
**/
sap.ui.define([], function() {
"use strict"; var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; var _utf8_encode = function (string) { var utftext = "", c, n; string = string.replace(/\r\n/g,"\n"); for (n = 0; n < string.length; n++) { 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; }; return { encode: function (input) { var output = "", chr1, chr2, chr3, enc1, enc2, enc3, enc4, i = 0; input = _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 += _keyStr.charAt(enc1); output += _keyStr.charAt(enc2); output += _keyStr.charAt(enc3); output += _keyStr.charAt(enc4); } return output; } }; }
);