Created
February 15, 2012 20:32
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Verify Shopify webhook in PHP
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| <?php | |
| define('SHOPIFY_APP_SECRET', 'my_shared_secret'); | |
| function verify_webhook($data, $hmac_header) | |
| { | |
| $calculated_hmac = base64_encode(hash_hmac('sha256', $data, SHOPIFY_APP_SECRET, true)); | |
| return ($hmac_header == $calculated_hmac); | |
| } | |
| $hmac_header = $_SERVER['HTTP_X_SHOPIFY_HMAC_SHA256']; | |
| $data = file_get_contents('php://input'); | |
| $verified = verify_webhook($data, $hmac_header); | |
| error_log('Webhook verified: '.var_export($verified, true)); //check error.log to see the result | |
| ?> |
i have use this code but error are accur
Notice: Undefined index: HTTP_X_SHOPIFY_HMAC_SHA256 in E:\wamp\www\vs_dev.sareeo.clothing\seller\paypal\hook.php on line 18
Warning: hash_equals(): Expected known_string to be a string, null given in E:\wamp\www\vs_dev.sareeo.clothing\seller\paypal\hook.php on line 14
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php://input is a stream .ie standard input (stdin). That is the request body