156 lines
4.3 KiB
PHP
156 lines
4.3 KiB
PHP
<?php
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/*
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* This file is part of RaspiSMS.
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*
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* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
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*
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* This source file is subject to the GPL-3.0 license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace controllers\internals;
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class Webhook extends StandardController
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{
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const HMAC_ALGO = 'sha256';
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protected $bdd;
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protected $model;
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/**
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* Create a new webhook.
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*
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* @param int $id_user : User id
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* @param string $url : Webhook url
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* @param string $type : Webhook type
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*
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* @return mixed bool|int : False if cannot create webhook, id of the new webhook else
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*/
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public function create(int $id_user, string $url, string $type)
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{
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//Must ensure http(s) protocole for protection against ssrf
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if (!mb_ereg_match('^http(s?)://', $url))
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{
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return false;
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}
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$webhook = [
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'id_user' => $id_user,
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'url' => $url,
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'type' => $type,
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];
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$result = $this->get_model()->insert($webhook);
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if (!$result)
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{
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return false;
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}
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return $result;
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}
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/**
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* Update a webhook.
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*
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* @param int $id_user : User id
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* @param int $id : Webhook id
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* @param string $url : Webhook url
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* @param string $type : Webhook type
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*
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* @return mixed bool|int : False if cannot create webhook, id of the new webhook else
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*/
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public function update_for_user(int $id_user, int $id, string $url, string $type)
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{
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//Must ensure http(s) protocole for protection against ssrf
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if (!mb_ereg_match('^http(s?)://', $url))
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{
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return false;
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}
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$data = [
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'url' => $url,
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'type' => $type,
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];
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return $this->get_model()->update_for_user($id_user, $id, $data);
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}
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/**
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* Find all webhooks for a user and for a type of webhook.
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*
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* @param int $id_user : User id
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* @param string $type : Webhook type
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*
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* @return array
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*/
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public function gets_for_type_and_user(int $id_user, string $type)
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{
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return $this->get_model()->gets_for_type_and_user($id_user, $type);
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}
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/**
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* Trigger a webhook and transmit the signal to webhook daemon if needed.
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*
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* @param int $id_user : User to trigger the webhook for
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* @param string $type : Type of webhook to trigger
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* @param array $body : The body, an array depending on webhook type
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*
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* @return bool : False if no trigger, true else
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*/
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public function trigger(int $id_user, string $type, array $body)
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{
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$internal_setting = new Setting($this->bdd);
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$internal_user = new User($this->bdd);
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$settings = $internal_setting->gets_for_user($id_user);
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if (!$settings['webhook'] ?? false)
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{
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return false;
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}
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$user = $internal_user->get($id_user);
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if (!$user)
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{
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return false;
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}
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$webhooks = $this->gets_for_type_and_user($id_user, $type);
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foreach ($webhooks as $webhook)
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{
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$timestamp = time();
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$webhook_random_id = $timestamp . '-' . bin2hex(openssl_random_pseudo_bytes(16));
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//signature is hexa string representing hmac sha256 of webhook_random_id
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$webhook_signature = hash_hmac(self::HMAC_ALGO, $webhook_random_id, $user['api_key']);
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$message = [
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'url' => $webhook['url'],
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'data' => [
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'webhook_timestamp' => $timestamp,
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'webhook_type' => $webhook['type'],
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'webhook_random_id' => $webhook_random_id,
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'webhook_signature' => $webhook_signature,
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'body' => json_encode($body),
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],
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];
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$error_code = null;
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$queue = msg_get_queue(QUEUE_ID_WEBHOOK);
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msg_send($queue, QUEUE_TYPE_WEBHOOK, $message, true, true, $error_code);
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}
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return true;
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}
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/**
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* Get the model for the Controller.
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*/
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protected function get_model(): \models\Webhook
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{
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$this->model = $this->model ?? new \models\Webhook($this->bdd);
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return $this->model;
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}
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}
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