jaydata-reso/lib/Types/Authentication/BasicAuth.js

Jaydata fork for RESO Web API

$data.Class.define("$data.Authentication.BasicAuth.BasicAuth", $data.Authentication.AuthenticationBase, null, {
    constructor: function (cfg) {
        this.configuration = $data.typeSystem.extend({
            Username: '',
            Password: ''
        }, cfg);
    },
    Login: function (callbacks) {
        if (callbacks && typeof callbacks.pending == "function")
            callbacks.pending();
    },
    Logout: function () {
    },
    CreateRequest: function (cfg) {
        if (!cfg)
            return;
        var _this = this;

        var origBeforeSend = cfg.beforeSend;
        cfg.beforeSend = function (xhr) {
            xhr.setRequestHeader("Authorization", "Basic  " + _this.__encodeBase64(_this.configuration.Username + ":" + _this.configuration.Password));

            if(typeof origBeforeSend == "function")
                origBeforeSend(xhr);
        };
        
        $data.ajax(cfg);
    },
    __encodeBase64: function (val) {
        var b64array = "ABCDEFGHIJKLMNOP" +
                           "QRSTUVWXYZabcdef" +
                           "ghijklmnopqrstuv" +
                           "wxyz0123456789+/" +
                           "=";

        input = val;
        var base64 = "";
        var hex = "";
        var chr1, chr2, chr3 = "";
        var enc1, enc2, enc3, enc4 = "";
        var i = 0;

        do {
            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;
            }

            base64 = base64 +
                        b64array.charAt(enc1) +
                        b64array.charAt(enc2) +
                        b64array.charAt(enc3) +
                        b64array.charAt(enc4);
            chr1 = chr2 = chr3 = "";
            enc1 = enc2 = enc3 = enc4 = "";
        } while (i < input.length);

        return base64;
    }
}, null);