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Omnipay: Authorize.Net

Authorize.Net driver for the Omnipay PHP payment processing library

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Omnipay is a framework agnostic, multi-gateway payment processing library for PHP 5.3+. This package implements Authorize.Net support for Omnipay.

Installation

Omnipay is installed via Composer. To install, simply require league/omnipay and omnipay/authorizenet with Composer:

composer require league/omnipay omnipay/authorizenet:"3.x@dev"

Basic Usage

The following gateways are provided by this package:

  • AuthorizeNet_AIM
  • AuthorizeNet_CIM
  • AuthorizeNet_SIM
  • AuthorizeNet_DPM

In addition, Accept.JS is supported by the AIM driver and CIM (create card). More details are provided below.

For general usage instructions, please see the main Omnipay repository.

Accept.JS

This gateway uses a JavaScript script to tokenize credit card details at the front end, i.e. in the payment form. Just the tokenized version of the credit card is then sent back to the merchant site, where it is used as a proxy for the credit card.

The card is tokenized into two values returned in opaqueData object from Accept.JS:

  • dataDescriptor - the type of opaque data, e.g. "COMMON.ACCEPT.INAPP.PAYMENT"
  • dataValue - the value for the opaque data, e.g. "eyJjb2RlIjoiNT... {256 characters} ...idiI6IjEuMSJ9"

These two values must be POSTed back to the merchant application, usually as a part of the payment form. Make sure the raw credit card details are NOT posted back to your site. How this is handled is beyond this short note, but examples are always welcomed in the documentation.

On the server, the tokenized details are passed into the payment or authorize request object. You will still need to pass in the CreditCard object, as that contains details of the payee and recipient, but just leave the credit card details of that object blank. For example:

// $gateway is an instantiation of the AIM driver.
// $dataDescriptor and $dataValue come from the payment form at the front end.

$request = $gateway->purchase(
    [
        'notifyUrl' => '...',
        'amount' => $amount,
        'opaqueDataDescriptor' => $dataDescriptor,
        'opaqueDataValue' => $dataValue,
        ...
    ]
);

CIM Create Card feature usage: Accept.js must be implemented on your frontend payment form, once Accept.js 'tokenizes' the customer's card, just send the two opaque fields and remove the Card's (Number, Expiration and CVV) from your post request.

Accept.js goal is to remove the need of Card information from ever going into your server so be sure to remove that data before posting to your server.

The create card feature on CIM will automatically create a Customer Profile and a Payment Profile with the 'tokenized' card for each customer you request it for on your authorize.net account, you can use these Payment Profiles later to request payments from your customers.

In order to create a Customer & Payment Profile pass the opaque fields and the card array with the billing information to the createCard method on the CIM driver:

// $gateway is an instantiation of the CIM driver. //Omnipay::create( 'AuthorizeNet_CIM' )
// $dataDescriptor and $dataValue come from the payment form at the front end.

$request = $gateway->createCard(
    [
        'opaqueDataDescriptor' => $dataDescriptor,
        'opaqueDataValue' => $dataValue,
        'name' => $name,
        'email' => $email, //Authorize.net will use the email to identify the CustomerProfile 
        'customerType' => 'individual',
        'customerId' => $user_customer_id,//a customer ID generated by your system or send null
        'description' => 'MEMBER',//whichever description you wish to send
        'forceCardUpdate' => true
        'card' => [
            'billingFirstName' => $name,
            'billingLastName' => $last_name,
            'billingAddress1' => $address,
            'billingCity' => $city,
            'billingState' => $state,
            'billingPostcode' => $zipcode,
            'billingPhone' => '',
            //... may include shipping info but do not include card (number, cvv or expiration)
        ],
    ]
);
$response = $request->send();
$data = $response->getData();

$data['paymentProfile']['customerProfileId'];
$data['paymentProfile']['customerPaymentProfileId'];

// Now you can use these 2 fields to reference this customer and this payment profile for later use with 
// the rest of the CIM driver features as usual.

DPM and SIM Signatures

DPM and SIM used to sign their requests with the transactionKey using the mdh HMAC algorithm. From early 2019, this algorithm is being removed completely. Instead, the SHA-512 HMAC algorithm is used to sign the DPM and SIM requests, and to validate the received notifications.

To start using the SHA-512 signing, set your signatureKey in the gateway:

$gateway->setSignatureKey('48D2C629E4A...{100}...E7CA3C4E6CD7223D');

The signatureKey can be generated in the API Credentials & Keys section of your account setings.

Support

If you are having general issues with Omnipay, we suggest posting on Stack Overflow. Be sure to add the omnipay tag so it can be easily found.

If you want to keep up to date with release anouncements, discuss ideas for the project, or ask more detailed questions, there is also a mailing list which you can subscribe to.

If you believe you have found a bug, please report it using the GitHub issue tracker, or better yet, fork the library and submit a pull request.