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<?php |
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namespace Yabacon\Paystack; |
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use Yabacon\Paystack\Http\Request; |
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class Event |
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{ |
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public $raw = ''; |
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protected $signature = ''; |
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public $obj; |
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const SIGNATURE_KEY = 'HTTP_X_PAYSTACK_SIGNATURE'; |
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protected function __construct() |
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{ |
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} |
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public static function capture() |
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{ |
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$evt = new Event(); |
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$evt->raw = @file_get_contents('php://input'); |
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$evt->signature = ( isset($_SERVER[self::SIGNATURE_KEY]) ? $_SERVER[self::SIGNATURE_KEY] : '' ); |
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$evt->loadObject(); |
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return $evt; |
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} |
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protected function loadObject() |
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{ |
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$this->obj = json_decode($this->raw); |
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} |
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public function discoverOwner(array $keys) |
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{ |
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if (!$this->obj || !property_exists($this->obj, 'data')) { |
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return; |
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} |
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foreach ($keys as $index => $key) { |
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if ($this->validFor($key)) { |
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return $index; |
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} |
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} |
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} |
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public function validFor($key) |
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{ |
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if ($this->signature === hash_hmac('sha512', $this->raw, $key)) { |
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return true; |
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} |
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return false; |
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} |
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public function package(array $additional_headers = [], $method = 'POST') |
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{ |
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$pack = new Request(); |
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$pack->method = $method; |
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$pack->headers = $additional_headers; |
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$pack->headers["X-Paystack-Signature"] = $this->signature; |
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$pack->headers["Content-Type"] = "application/json"; |
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$pack->body = $this->raw; |
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return $pack; |
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} |
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public function forwardTo($url, array $additional_headers = [], $method = 'POST') |
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{ |
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if (!filter_var($url, FILTER_VALIDATE_URL)) { |
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return false; |
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} |
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$packed = $this->package($additional_headers, $method); |
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$packed->endpoint = $url; |
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return $packed->send()->wrapUp(); |
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} |
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} |
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yabacon /
paystack-php
