54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
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<?php
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# https://docs.gitea.com/usage/webhooks
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// check for POST request
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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error_log('FAILED - not POST - '. $_SERVER['REQUEST_METHOD']);
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exit();
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}
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// get content type
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$content_type = isset($_SERVER['CONTENT_TYPE']) ? strtolower(trim($_SERVER['CONTENT_TYPE'])) : '';
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if ($content_type != 'application/json') {
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error_log('FAILED - not application/json - '. $content_type);
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exit();
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}
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// get payload
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$payload = trim(file_get_contents("php://input"));
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if (empty($payload)) {
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error_log('FAILED - no payload');
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exit();
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}
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// get header signature
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$header_signature = isset($_SERVER['HTTP_X_GITEA_SIGNATURE']) ? $_SERVER['HTTP_X_GITEA_SIGNATURE'] : '';
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if (empty($header_signature)) {
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error_log('FAILED - header signature missing');
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exit();
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}
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// calculate payload signature
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$payload_signature = hash_hmac('sha256', $payload, $secret_key, false);
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// check payload signature against header signature
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if ($header_signature !== $payload_signature) {
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error_log('FAILED - payload signature');
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exit();
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}
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// convert json to array
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$decoded = json_decode($payload, true);
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// check for json decode errors
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('FAILED - json decode - '. json_last_error());
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exit();
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}
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// success, do something
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shell_exec('sh ../webhook/webhook.sh')
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?>
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