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76 lines
2.2 KiB
76 lines
2.2 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/**
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* Webhook library for access and modification of webhook configuration
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*
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* @uses TikiLib
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*/
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class Webhook extends TikiLib
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{
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private $table;
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public $verification_types = ['base64 hmac', 'hmac'];
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public function __construct()
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{
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parent::__construct();
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$this->table = $this->table('tiki_webhooks');
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}
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public function getWebhooks($conditions = [])
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{
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return $this->table->fetchAll([], $conditions, -1, -1, ['webhookId' => 'asc']);
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}
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public function getWebhook($webhookId)
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{
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return $this->table->fetchFullRow(['webhookId' => (int) $webhookId]);
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}
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public function createWebhook($data)
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{
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$data['created'] = $this->now;
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$data['lastModif'] = $this->now;
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$webhookId = $this->table->insert($data);
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return $this->getWebhook($webhookId);
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}
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public function updateWebhook($webhookId, $data)
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{
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$data['lastModif'] = $this->now;
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$this->table->update($data, ['webhookId' => $webhookId]);
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return $this->getWebhook($webhookId);
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}
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public function deleteWebhook($webhookId)
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{
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return $this->table->delete(['webhookId' => $webhookId]);
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}
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public function verify($webhook)
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{
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$rawData = file_get_contents("php://input");
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$headers = getallheaders();
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$received = $headers[$webhook['signatureHeader']] ?? '';
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switch ($webhook['verification']) {
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case 'hmac':
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$computed = hash_hmac('sha256', $rawData, $webhook['secret']);
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break;
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case 'base64 hmac':
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$computed = base64_encode(hash_hmac('sha256', $rawData, $webhook['secret'], true));
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break;
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default:
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$computed = '';
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}
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if (empty($received) || empty($computed) || $received !== $computed) {
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return false;
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} else {
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return true;
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}
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}
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}
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