nodejs/WebToPay.js at master · tkasparaitis/nodejs · GitHub

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// Constructor
function WebToPay(cred) {


    this.projectid = cred.projectId;
    this.sign_password = cred.signPassword;
    this.orderid       = '';
    this.accepturl     = '';
    this.cancelurl     = '';
    this.callbackurl   = '';
    this.version       = '1.6';
    this.test          = '1';
    this.payUrl        = 'https://www.paysera.com/pay/';
    this.xmlUrl        = 'https://www.paysera.com/new/api/paymentMethods/';
    this.key           = 'http://downloads.paysera.com/download/public.key';


}
// class methods
WebToPay.prototype.buildRequest = function() {

    var url64 = require("querystring");
    var crypto = require('crypto');

    var obj = JSON.parse(JSON.stringify(this));
    delete obj.sign_password;
    delete obj.payUrl;
    delete obj.xmlUrl;

    var a64   = url64.stringify(obj);

    var data64 = new Buffer(a64).toString('base64');
    data64 = data64.replace('/', '_');
    data = data64.replace('+', '-');

    var sign = crypto.createHash('md5').update(data + this.sign_password).digest('hex');


    return {'data':data, 'sign':sign};

};

WebToPay.prototype.checkCallback = function(req) {

    var crypto = require('crypto');
    var ss1 = crypto.createHash('md5').update(req.data + this.sign_password).digest('hex');
    var check = req.ss1 == ss1?1:0;

    return check;

};


WebToPay.prototype.createUrl = function(req) {


    return this.payUrl + '?data='+req.data+'&sign='+req.sign;

}


// export the class
module.exports = WebToPay;