DSB encoding

dsb_mobile_api_functions.js

var pako = require('pako');
var a = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function btoa(b) {
    var c, d, e = "";
    for (c = 0,
             d = b.length; d > c; c += 3) {
        var f = 255 & b.charCodeAt(c)
            , g = 255 & b.charCodeAt(c + 1)
            , h = 255 & b.charCodeAt(c + 2)
            , i = f >> 2
            , j = (3 & f) << 4 | g >> 4
            , k = d > c + 1 ? (15 & g) << 2 | h >> 6 : 64
            , l = d > c + 2 ? 63 & h : 64;
        e += a.charAt(i) + a.charAt(j) + a.charAt(k) + a.charAt(l)
    }
    return e
}
function b(a) {
    var b = pako.deflate(JSON.stringify(a), {
        to: "string",
        gzip: !0
    });
    return b = btoa(b);
}