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OffS3c/jvzoo-IPN-verification.js

Created October 28, 2018 10:49
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  1. OffS3c created this gist Oct 28, 2018.
    97 changes: 97 additions & 0 deletions jvzoo-IPN-verification.js
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    Original file line number Diff line number Diff line change
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    /*
    Hello dear developers,
    I ported this function for JVZoo IPN verification from PHP one at
    (https://jvzoo.zendesk.com/hc/en-us/articles/206456857-JVZIPN-How-to-create-your-own-integrated-script) and
    wanted to share that with all fellow devs.
    REF: https://jvzoo.zendesk.com/hc/en-us/articles/206456857-JVZIPN-How-to-create-your-own-integrated-script
    Kodos :)
    OffS3c
    */

    // the requires
    var utf8 = require('utf8');
    const crypto = require("crypto");

    // proper sha1 generator
    function sha1(data) {
    return crypto.createHash("sha1").update(data, "binary").digest("hex");
    }

    // Function to be exported ;) modules.export ....
    function isJvzipnVerified(callbackResponse) {

    let secretKey = "YOUR_KEY";
    let pop = "";
    let ipnFields = [];

    for (let key in callbackResponse) {
    if (key == "cverify") {
    continue;
    } else {
    ipnFields.push(key);
    }
    }

    ipnFields.sort();

    for (let key in ipnFields) {
    pop += callbackResponse[ipnFields[key]] + "|";
    }

    pop += secretKey;
    calcedVerify = sha1(utf8.encode(pop));
    calcedVerify = (calcedVerify.substr(0,8)).toUpperCase();

    return calcedVerify == callbackResponse.cverify;
    }



    //--------------- HOW TO USE ---------------

    // printer
    function __(str) {
    console.log(str);
    }

    // data posted by JVZoo
    let x = `{
    "caffitid" : "",
    "ccustcc" : "",
    "ccustemail" : "",
    "ccustname" : "",
    "ccuststate" : "",
    "cproditem" : "",
    "cprodtitle" : "",
    "cprodtype" : "",
    "ctransaction" : "",
    "ctransaffiliate" : "",
    "ctransamount" : "",
    "ctranspaymentmethod" : "",
    "ctransreceipt" : "",
    "ctranstime" : "",
    "ctransvendor" : "",
    "cupsellreceipt" : "",
    "cvendthru" : "",
    "cverify" : ""
    }
    `;

    // parse as JS Object
    x = JSON.parse(x);

    // The REAL Deal
    if (isJvzipnVerified(x)) {
    __("yeah");
    } else {
    __("nah");
    }


    // ------- Thanks -------