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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of the AuthnetJSON package. |
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* |
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* (c) John Conde <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Authnetjson; |
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use Exception; |
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/** |
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* Wrapper to simplify the creation of SIM data |
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* |
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* @author John Conde <[email protected]> |
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* @copyright John Conde <[email protected]> |
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* @license http://www.apache.org/licenses/LICENSE-2.0.html Apache License, Version 2.0 |
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* @link https://github.com/stymiee/authnetjson |
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*/ |
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class AuthnetSim |
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{ |
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/** |
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* @var string Authorize.Net API login ID |
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*/ |
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private $login; |
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/** |
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* @var string Authorize.Net API signature key |
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*/ |
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private $signature; |
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/** |
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* @var string URL endpoint for processing a transaction |
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*/ |
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private $url; |
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/** |
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* @var int Randomly generated number |
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*/ |
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private $sequence; |
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/** |
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* @var int Unix timestamp the request was made |
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*/ |
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private $timestamp; |
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/** |
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* Creates a SIM wrapper by setting the Authorize.Net credentials and URL of the endpoint to be used |
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* for the API call |
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* |
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* @param string $login Authorize.Net API login ID |
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* @param string $signature Authorize.Net API Transaction Key |
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* @param string $api_url URL endpoint for processing a transaction |
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* @throws Exception |
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*/ |
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1 |
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public function __construct($login, $signature, $api_url) |
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{ |
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$this->login = $login; |
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$this->signature = $signature; |
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$this->url = $api_url; |
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$this->resetParameters(); |
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1 |
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} |
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/** |
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* Returns the hash for the SIM transaction |
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* |
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* @param float $amount The amount of the transaction |
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* @return string Hash of five different unique transaction parameters |
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* @throws AuthnetInvalidAmountException |
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*/ |
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public function getFingerprint(float $amount): string |
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{ |
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if (!filter_var($amount, FILTER_VALIDATE_FLOAT, FILTER_FLAG_ALLOW_THOUSAND)) { |
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throw new AuthnetInvalidAmountException('You must enter a valid amount greater than zero.'); |
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} |
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return strtoupper( |
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hash_hmac('sha512', |
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sprintf('%s^%s^%s^%s^', |
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$this->login, |
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$this->sequence, |
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$this->timestamp, |
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$amount |
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), |
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hex2bin($this->signature) |
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) |
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); |
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} |
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/** |
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* Returns the sequence generated for a transaction |
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* |
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* @return int Current sequence |
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*/ |
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public function getSequence(): int |
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{ |
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return $this->sequence; |
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} |
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/** |
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* Returns the timestamp for a transaction |
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* |
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* @return int Current timestamp |
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*/ |
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public function getTimestamp(): int |
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{ |
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return $this->timestamp; |
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} |
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/** |
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* Returns the account login ID |
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* |
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* @return string API login ID |
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*/ |
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public function getLogin(): string |
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{ |
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return $this->login; |
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} |
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/** |
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* Returns the url endpoint for the transaction |
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* |
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* @return string url endpoint |
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*/ |
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public function getEndpoint(): string |
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{ |
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return $this->url; |
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} |
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/** |
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* Resets the sequence and timestamp |
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* |
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* @throws Exception |
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*/ |
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public function resetParameters(): void |
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{ |
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$this->sequence = random_int(1, 1000); |
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$this->timestamp = time(); |
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} |
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} |
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stymiee /
authnetjson
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