Verify OTP Signing

OTP Signing Verification is the function that verify OTP that generated by the transaction.

Below is the URL to access the API functions:

POST /v2/CentagateWS/webresources/trans/authorise/{username}

Parameters

Parameters	Occurence	Descriptions
username	Required	Registered Username in CENTAGATE Cloud
challenge	Required	The challenge
otp	Required	The OTP generated based on the challenge
details	Required	The transaction details
ipAddress	Optional	IP Address From Where The Authentication Request Is Originated.
userAgent	Optional	Platform Information Of Authentication Request is made of.
browserFp	Optional	Browser Fingerprint

Sample Code

As in below there are some examples of source code of access the API functions:

Java

Node Js

PHP

Java

public static void main(String[] args) {

	ClientConfig config = new DefaultClientConfig ();
	Client client = Client.create ( config );
	WebResource service = client.resource ("https://<domain_name>/v2/CentagateWS/webresources");
			
	Gson gson = new Gson();
			
	HashMap<String, String> map = new HashMap<String, String>();
	map.put("username", "username");
	map.put("challenge", "challenge");
	map.put("details", "details");
	map.put("otp", "otp");
	map.put("ipAddress", "ipAddress"); 
	map.put("userAgent", "userAgent"); 
	map.put("browserFp", "browserFp");

	ClientResponse response = service.path ("trans").path("authorise").path("username").accept(MediaType.APPLICATION_JSON).post(ClientResponse.class, gson.toJson(map));
				
	String retJson = response.getEntity(String.class);

	HashMap<String, Object> returnData = (HashMap<String, Object>) gson.fromJson(retJson, HashMap.class);

	String code = returnData.get("code").toString();
	String message = returnData.get("message").toString();
	String object = returnData.get("object").toString();
}

Node Js

const https = require('https')

var crypto = require('crypto');
var username = '<username>';
var challenge = '<challenge>';
var details = '<details>';
var otp = '<otp>';

var ipAddress = "<ipAddress>";
var userAgent = "<userAgent>";
var browserFp = "<browserFp>";   

const data = JSON.stringify({
	username: username,
	challenge: challenge,
	details: details,
	otp: otp,
	ipAddress: ipAddress,
	userAgent: userAgent,
	browserFp: browserFp
})

const options = {
	hostname: "<domain_name>",
	port: 443,
	path:'/v2/CentagateWS/webresources/trans/authorise/username',
	method: 'POST',
	headers: {
		'Accept': 'application/json',
		'Content-Type': 'application/json',
	}
}

const req = https.request(options, res =>{
	console.log(`HTTP Status Code: ${res.statusCode}`)
	var body = '';
	res.on('data', function(d){
		
	body += d;
	var parsed = JSON.parse(body);
	
	if (parsed.code == 0){
	   console.log('Authentication Succeed');
	   console.log('Response:');
	   console.log(body);
	}
	else {
	  console.log('Authentication Fail, ' +'Message:' + parsed.message);
	  console.log('Code:' + parsed.code); 
	}
		
	})
})

req.on('ERROR', error => {
	console.error(error)
})

req.write(data)
req.end()

PHP

<?php
    $username ="<username>";
    $url = 'https://<domain_name>/v2/CentagateWS/webresources/trans/authorise/'.$username;
    
    $ch = curl_init($url);
    
    $otp = "<otp>";
    $challenge = "<challenge>";
    $details = "<details>";
    
    $ipAddress = "<ipAddress>";
    $userAgent = "<userAgent>";
    $browserFp = "<browserFp>";
    
    $jsonData = array (
    	'username'=> $username,
    	'details'=> $details,
    	'challenge'=> $challenge,
    	'otp'=> $otp,
    	'ipAddress'=> $ipAddress,
    	'userAgent'=> $userAgent,
    	'browserFp'=> $browserFp
    );
    
    $jsonDataEncoded = json_encode($jsonData);
    
    curl_setopt($ch, CURLOPT_POST,1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonDataEncoded);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json','Content-Type: application/json'));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $result = curl_exec($ch);
    
    
    $obj = json_decode($result); 
    if ($obj->{'code'} != 0){
    	print "Authentication fail";
    	print "Message: ".$obj->{'message'}; 
    	echo " <br>"; 
    	print "Code: ".$obj->{'code'};
    }
    else {
    	print "Authentication succeed";
    	echo " <br>"; 
    	print "Message: ".$obj->{'message'}; 
    	echo " <br>"; 
    	print "Code: ".$obj->{'code'}; 
    	echo " <br>"; 
    	print "Result:" ;
    	echo " <br>"; 
    	print $result;
    }
    
    curl_close($ch);

?>