raspisms/controllers/internals/Command.php

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<?php
/*
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* This file is part of RaspiSMS.
*
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* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
*
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* This source file is subject to the GPL-3.0 license that is bundled
* with this source code in the file LICENSE.
*/
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namespace controllers\internals;
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class Command extends StandardController
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{
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protected $model = null;
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/**
* Get the model for the Controller
* @return \descartes\Model
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*/
protected function get_model () : \descartes\Model
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{
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$this->model = $this->model ?? new \models\Command($this->bdd);
return $this->model;
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}
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/**
* Create a new command
* @param int $id_user : User id
* @param string $name : Command name
* @param string $script : Script file
* @param bool $admin : Is command admin only
* @return mixed bool|int : False if cannot create command, id of the new command else
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*/
public function create(int $id_user, string $name, string $script, bool $admin)
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{
$command = [
'id_user' => $id_user,
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'name' => $name,
'script' => $script,
'admin' => $admin,
];
$result = $this->get_model()->insert($command);
if (!$result)
{
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return false;
}
$internal_event = new Event($this->bdd);
$internal_event->create($id_user, 'COMMAND_ADD', 'Ajout commande : ' . $name . ' => ' . $script);
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return $result;
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}
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/**
* Update a command
* @param int $id_user : User id
* @param int $id : Command id
* @param string $name : Command name
* @param string $script : Script file
* @param bool $admin : Is command admin only
* @return mixed bool|int : False if cannot create command, id of the new command else
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*/
public function update_for_user(int $id_user, int $id, string $name, string $script, bool $admin)
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{
$datas = [
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'name' => $name,
'script' => $script,
'admin' => $admin,
];
return $this->get_model()->update_for_user($id_user, $id, $datas);
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}
/**
* Analyse a message to check if it's a command and extract it
* @param int $id_user : User id to search a command for
* @param string $message : Text of the message to analyse
* @return mixed : false on error, array with new text and command to execute ['updated_text' => string, 'command' => string]
*/
public function check_for_command (int $id_user, string $message)
{
$extracted_command = [];
$decode_message = json_decode(trim($message), true);
if ($decode_message === null)
{
return false;
}
if (!isset($decode_message['login'], $decode_message['password'], $decode_message['command']))
{
return false;
}
//Check for user
$internal_user = new \controllers\internals\User($this->bdd);
$user = $internal_user->check_credentials($decode_message['login'], $decode_message['password']);
if (!$user || $user['id'] != $id_user)
{
return false;
}
//Find command
$commands = $this->gets_for_user($user['id']);
$find_command = false;
foreach ($commands as $command)
{
if ($decode_message['command'] === $command['name'])
{
$find_command = $command;
break;
}
}
if (false === $find_command)
{
return false;
}
//Check for admin rights
if ($find_command['admin'] && !$user['admin'])
{
return false;
}
//Forge command and return
$decode_message['password'] = '******';
$updated_text = json_encode($decode_message);
$generated_command = PWD_SCRIPTS . '/' . $find_command['script'];
$args = $decode_message['args'] ?? '';
$generated_command .= ' ' . escapeshellcmd($args);
return [
'updated_text' => $updated_text,
'command' => $generated_command,
];
}
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}