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<?php |
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namespace Srmklive\PayPal\Traits; |
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trait PayPalVerifyIPN |
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{ |
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protected $webhook_id; |
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public function setWebHookID(string $webhook_id): \Srmklive\PayPal\Services\PayPal |
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{ |
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$this->webhook_id = $webhook_id; |
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return $this; |
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} |
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/** |
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* Verify incoming IPN through a web hook id. |
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* |
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* @throws \Throwable |
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* |
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* @return array|\Psr\Http\Message\StreamInterface|string |
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*/ |
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public function verifyIPN(Request $request) |
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{ |
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$headers = array_change_key_case($request->headers->all(), CASE_UPPER); |
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if(!isset($headers['PAYPAL-AUTH-ALGO'][0]) || |
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!isset($headers['PAYPAL-TRANSMISSION-ID'][0]) || |
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!isset($headers['PAYPAL-CERT-URL'][0]) || |
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!isset($headers['PAYPAL-TRANSMISSION-SIG'][0]) || |
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!isset($headers['PAYPAL-TRANSMISSION-TIME'][0]) || |
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!isset($this->webhook_id) |
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){ |
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\Log::error('Invalid headers or webhook id supplied for paypal webhook'); |
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return response()->json([ |
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'status' => 'error', |
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'message' => 'Invalid headers or web hook id provided', |
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]); |
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} |
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$params = $request->all(); |
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$payload = [ |
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'auth_algo' => $headers['PAYPAL-AUTH-ALGO'][0], |
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'cert_url' => $headers['PAYPAL-CERT-URL'][0], |
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'transmission_id' => $headers['PAYPAL-TRANSMISSION-ID'][0], |
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'transmission_sig' => $headers['PAYPAL-TRANSMISSION-SIG'][0], |
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'transmission_time' => $headers['PAYPAL-TRANSMISSION-TIME'][0], |
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'webhook_id' => $this->webhook_id, |
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'webhook_event' => $params, |
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]; |
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return $this->verifyWebHook($payload); |
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} |
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} |
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srmklive /
laravel-paypal
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