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(Node.js) ShippingEasy.com Calculate Signature for API Authentication

Demonstrates how to calculate the shippingeasy.com API signature for authenticating requests.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js

Chilkat npm packages for Electron

on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // 
    // First, concatenate these into a plaintext string using the following order:
    // 
    //     Capitilized method of the request. E.g. "POST"
    //     The URI path
    //     The query parameters sorted alphabetically and concatenated together into a URL friendly format: param1=ABC&param2=XYZ
    //     The request body as a string if one exists
    //     All parts are then concatenated together with an ampersand. The result resembles something like this:
    // 
    // "POST&/partners/api/accounts&api_key=f9a7c8ebdfd34beaf260d9b0296c7059&api_timestamp=1401803554&{ ... request body ... }"

    var success;
    var sbStringToSign = new chilkat.StringBuilder();

    var httpVerb = "POST";
    var uriPath = "/partners/api/accounts";
    var queryParamsStr = "api_key=YOUR_API_KEY&api_timestamp=UNIX_EPOCH_TIMESTAMP";

    // Build the following JSON that will be the body of the request:

    // {
    //   "account": {
    //     "first_name": "Coralie",
    //     "last_name": "Waelchi",
    //     "company_name": "Hegmann, Cremin and Bradtke",
    //     "email": "se_greg_6d477b1e59e8ff24abadfb59d3a2de3e@shippingeasy.com",
    //     "phone_number": "1-381-014-3358",
    //     "address": "2476 Flo Inlet",
    //     "address2": "",
    //     "state": "SC",
    //     "city": "North Dennis",
    //     "postal_code": "29805",
    //     "country": "USA",
    //     "password": "abc123",
    //     "subscription_plan_code": "starter"
    //   }
    // }

    var json = new chilkat.JsonObject();
    json.UpdateString("account.first_name","Coralie");
    json.UpdateString("account.last_name","Waelchi");
    json.UpdateString("account.company_name","Hegmann, Cremin and Bradtke");
    json.UpdateString("account.email","se_greg_6d477b1e59e8ff24abadfb59d3a2de3e@shippingeasy.com");
    json.UpdateString("account.phone_number","1-381-014-3358");
    json.UpdateString("account.address","2476 Flo Inlet");
    json.UpdateString("account.address2","");
    json.UpdateString("account.state","SC");
    json.UpdateString("account.city","North Dennis");
    json.UpdateString("account.postal_code","29805");
    json.UpdateString("account.country","USA");
    json.UpdateString("account.password","abc123");
    json.UpdateString("account.subscription_plan_code","starter");

    json.EmitCompact = false;
    console.log(json.Emit());

    // First, let's get the current date/time in the Unix Epoch Timestamp format (which is just an integer)
    var dt = new chilkat.CkDateTime();
    dt.SetFromCurrentSystemTime();
    // Get the UTC time.
    var bLocalTime = false;
    var unixEpochTimestamp = dt.GetAsUnixTimeStr(bLocalTime);

    // Build the string to sign:
    sbStringToSign.Append(httpVerb);
    sbStringToSign.Append("&");
    sbStringToSign.Append(uriPath);
    sbStringToSign.Append("&");
    sbStringToSign.Append(queryParamsStr);
    sbStringToSign.Append("&");
    // Make sure to send the JSON body of a request in compact form..
    json.EmitCompact = true;
    sbStringToSign.Append(json.Emit());

    // Use your API key here:
    var your_api_key = "f9a7c8ebdfd34beaf260d9b0296c7059";

    var numReplaced = sbStringToSign.Replace("YOUR_API_KEY",your_api_key);
    numReplaced = sbStringToSign.Replace("UNIX_EPOCH_TIMESTAMP",unixEpochTimestamp);

    // Do the HMAC-SHA256 with your API secret:
    var your_api_secret = "ea210785fa4656af03c2e4ffcc2e7b5fc19f1fba577d137905cc97e74e1df53d";
    var crypt = new chilkat.Crypt2();
    crypt.MacAlgorithm = "hmac";
    crypt.EncodingMode = "hexlower";
    crypt.SetMacKeyString(your_api_secret);
    crypt.HashAlgorithm = "sha256";

    var api_signature = crypt.MacStringENC(sbStringToSign.GetAsString());
    console.log("api_signature: " + api_signature);

    // --------------------------------------------------------------------
    // Here's an example showing how to use the signature in a request:

    // Build a new string-to-sign and create a new api_signature for the actual request we'll be sending...
    sbStringToSign.Clear();
    sbStringToSign.Append("GET");
    sbStringToSign.Append("&");
    sbStringToSign.Append("/app.shippingeasy.com/api/orders");
    sbStringToSign.Append("&");
    sbStringToSign.Append(queryParamsStr);
    sbStringToSign.Append("&");
    // There is no body for a GET request.

    api_signature = crypt.MacStringENC(sbStringToSign.GetAsString());

    var http = new chilkat.Http();
    var queryParams = new chilkat.JsonObject();

    queryParams.UpdateString("api_signature",api_signature);
    queryParams.UpdateString("api_timestamp",unixEpochTimestamp);
    queryParams.UpdateString("api_key",your_api_key);

    // resp: HttpResponse
    var resp = http.QuickRequestParams("GET","https://app.shippingeasy.com/api/orders",queryParams);
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("response status code = " + resp.StatusCode);
    console.log("response body:");
    console.log(resp.BodyStr);


}

chilkatExample();

 

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