mirror of
https://github.com/documize/community.git
synced 2025-07-19 05:09:42 +02:00
110 lines
3.4 KiB
JavaScript
110 lines
3.4 KiB
JavaScript
// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
|
|
//
|
|
// This software (Documize Community Edition) is licensed under
|
|
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
|
|
//
|
|
// You can operate outside the AGPL restrictions by purchasing
|
|
// Documize Enterprise Edition and obtaining a commercial license
|
|
// by contacting <sales@documize.com>.
|
|
//
|
|
// https://documize.com
|
|
|
|
//*************************************
|
|
// Base64 Object
|
|
//*************************************
|
|
var Base64 = {
|
|
_keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
|
|
encode: function (e) {
|
|
var t = "";
|
|
var n, r, i, s, o, u, a;
|
|
var f = 0;
|
|
e = Base64._utf8_encode(e);
|
|
while (f < e.length) {
|
|
n = e.charCodeAt(f++);
|
|
r = e.charCodeAt(f++);
|
|
i = e.charCodeAt(f++);
|
|
s = n >> 2;
|
|
o = (n & 3) << 4 | r >> 4;
|
|
u = (r & 15) << 2 | i >> 6;
|
|
a = i & 63;
|
|
if (isNaN(r)) {
|
|
u = a = 64;
|
|
} else if (isNaN(i)) {
|
|
a = 64;
|
|
}
|
|
t = t + this._keyStr.charAt(s) + this._keyStr.charAt(o) + this._keyStr.charAt(u) + this._keyStr.charAt(a);
|
|
}
|
|
return t;
|
|
},
|
|
decode: function (e) {
|
|
var t = "";
|
|
var n, r, i;
|
|
var s, o, u, a;
|
|
var f = 0;
|
|
e = e.replace(/[^A-Za-z0-9+/=]/g, "");
|
|
while (f < e.length) {
|
|
s = this._keyStr.indexOf(e.charAt(f++));
|
|
o = this._keyStr.indexOf(e.charAt(f++));
|
|
u = this._keyStr.indexOf(e.charAt(f++));
|
|
a = this._keyStr.indexOf(e.charAt(f++));
|
|
n = s << 2 | o >> 4;
|
|
r = (o & 15) << 4 | u >> 2;
|
|
i = (u & 3) << 6 | a;
|
|
t = t + String.fromCharCode(n);
|
|
if (u !== 64) {
|
|
t = t + String.fromCharCode(r);
|
|
}
|
|
if (a !== 64) {
|
|
t = t + String.fromCharCode(i);
|
|
}
|
|
}
|
|
t = Base64._utf8_decode(t);
|
|
return t;
|
|
},
|
|
_utf8_encode: function (e) {
|
|
e = e.replace(/\r\n/g, "\n");
|
|
var t = "";
|
|
for (var n = 0; n < e.length; n++) {
|
|
var r = e.charCodeAt(n);
|
|
if (r < 128) {
|
|
t += String.fromCharCode(r);
|
|
} else if (r > 127 && r < 2048) {
|
|
t += String.fromCharCode(r >> 6 | 192);
|
|
t += String.fromCharCode(r & 63 | 128);
|
|
} else {
|
|
t += String.fromCharCode(r >> 12 | 224);
|
|
t += String.fromCharCode(r >> 6 & 63 | 128);
|
|
t += String.fromCharCode(r & 63 | 128);
|
|
}
|
|
}
|
|
return t;
|
|
},
|
|
_utf8_decode: function (e) {
|
|
var t = "";
|
|
var n = 0;
|
|
let r = 0;
|
|
// let c1 = 0;
|
|
let c2 = 0;
|
|
while (n < e.length) {
|
|
r = e.charCodeAt(n);
|
|
if (r < 128) {
|
|
t += String.fromCharCode(r);
|
|
n++;
|
|
} else if (r > 191 && r < 224) {
|
|
c2 = e.charCodeAt(n + 1);
|
|
t += String.fromCharCode((r & 31) << 6 | c2 & 63);
|
|
n += 2;
|
|
} else {
|
|
c2 = e.charCodeAt(n + 1);
|
|
let c3 = e.charCodeAt(n + 2);
|
|
t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
|
|
n += 3;
|
|
}
|
|
}
|
|
return t;
|
|
}
|
|
}; //jshint ignore:line
|
|
|
|
export default {
|
|
Base64
|
|
};
|