raspisms/controllers/internals/Tool.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.
*/
namespace controllers\internals;
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/**
* Some tools frequently used.
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* Not a standard controller as it's not linked to a model in any way.
*/
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class Tool extends \descartes\InternalController
{
/**
* Cette fonction parse un numéro pour le retourner sans espaces, etc.
*
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* @param string $number : Le numéro de téléphone à parser
*
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* @return mixed : Si le numéro est bien un numéro de téléphone, on retourne le numéro parsé. Sinon, on retourne faux
*/
public static function parse_phone($number)
{
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try
{
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$phone_number_util = \libphonenumber\PhoneNumberUtil::getInstance();
$phone_number_o = $phone_number_util->parse($number, null);
$valid = $phone_number_util->isValidNumber($phone_number_o);
if (!$valid)
{
return false;
}
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return $phone_number_util->format($phone_number_o, \libphonenumber\PhoneNumberFormat::E164);
}
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catch (\Exception $e)
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{
return false;
}
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}
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/**
* Cette fonction parse un numéro pour le retourner avec des espaces, etc.
*
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* @param string $number : Le numéro de téléphone à parser
*
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* @return mixed : Si le numéro est bien un numéro de téléphone, on retourne le numéro parsé. Sinon, on retourne faux
*/
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public static function phone_format($number)
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{
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try
{
$phone_number_util = \libphonenumber\PhoneNumberUtil::getInstance();
$phone_number_o = $phone_number_util->parse($number, null);
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return $phone_number_util->format($phone_number_o, \libphonenumber\PhoneNumberFormat::INTERNATIONAL);
}
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catch (\Exception $e)
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{
return false;
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}
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}
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/**
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* Format a number and make a link to a discussion with this number.
*
* @param string $number : Number to format and make a link for
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*
* @return string : Link to the number
*/
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public static function phone_link($number)
{
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$number_format = self::phone_format($number);
$url = \descartes\Router::url('Discussion', 'show', ['number' => $number]);
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return '<a href="' . self::s($url, false, true, false) . '">' . self::s($number_format, false, true, false) . '</a>';
}
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/**
* Cette fonction fait la correspondance entre un type d'evenement et une icone font awesome.
*
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* @param string $type : Le type de l'évenement à analyser
*
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* @return string : Le nom de l'icone à afficher (ex : fa-user)
*/
public static function event_type_to_icon($type)
{
switch ($type) {
case 'USER_ADD':
$logo = 'fa-user';
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break;
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case 'CONTACT_ADD':
$logo = 'fa-user';
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break;
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case 'GROUP_ADD':
$logo = 'fa-group';
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break;
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case 'CONDITIONAL_GROUP_ADD':
$logo = 'fa-bullseye';
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break;
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case 'SCHEDULED_ADD':
$logo = 'fa-calendar';
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break;
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case 'COMMAND_ADD':
$logo = 'fa-terminal';
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break;
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default:
$logo = 'fa-question';
}
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return $logo;
}
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/**
* Cette fonction vérifie une date.
*
* @param string $date : La date a valider
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* @param string $format : Le format de la date
*
* @return bool : Vrai si la date et valide, faux sinon
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*/
public static function validate_date($date, $format)
{
$objectDate = \DateTime::createFromFormat($format, $date);
return $objectDate && $objectDate->format($format) === $date;
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}
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/**
* Cette fonction retourne un mot de passe généré aléatoirement.
*
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* @param int $length : Taille du mot de passe à générer
*
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* @return string : Le mot de passe aléatoire
*/
public static function generate_password($length)
{
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-@()?.:!%*$&/';
$password = '';
$chars_length = mb_strlen($chars) - 1;
$i = 0;
while ($i < $length)
{
++$i;
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$password .= $chars[rand(0, $chars_length)];
}
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return $password;
}
/**
* Cette fonction vérifie si un utilisateur et connecté, et si il ne l'est pas, redirige sur la page de connexion.
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*/
public static function verifyconnect()
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{
if (!isset($_SESSION['connect']) || !$_SESSION['connect'])
{
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header('Location: /');
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exit();
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}
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}
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/**
* Check if the user connected.
*
* @return bool : True if connected, False else
*/
public static function is_connected()
{
return (bool) ($_SESSION['connect'] ?? false);
}
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/**
* Check if the user is admin.
*
* @return bool : True if admin, False else
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*/
public static function is_admin()
{
return (bool) ($_SESSION['user']['admin'] ?? false);
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}
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/**
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* Allow to read an uploaded file.
*
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* @param array $file : The array extracted from $_FILES['file']
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*
* @return array : ['success' => bool, 'content' => file handler | error message, 'error_code' => $file['error'], 'mime_type' => server side calculated mimetype, 'extension' => original extension, 'tmp_name' => name of the tmp_file]
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*/
public static function read_uploaded_file(array $file)
{
$result = [
'success' => false,
'content' => 'Une erreur inconnue est survenue.',
'error_code' => $file['error'] ?? 99,
'mime_type' => null,
'extension' => null,
'tmp_name' => null,
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];
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if (UPLOAD_ERR_OK !== $file['error'])
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{
switch ($file['error'])
{
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case UPLOAD_ERR_INI_SIZE:
$result['content'] = 'Impossible de télécharger le fichier car il dépasse les ' . ini_get('upload_max_filesize') / (1000 * 1000) . ' Mégaoctets.';
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break;
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case UPLOAD_ERR_FORM_SIZE:
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$result['content'] = 'Le fichier dépasse la limite de taille.';
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break;
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case UPLOAD_ERR_PARTIAL:
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$result['content'] = 'L\'envoi du fichier a été interrompu.';
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break;
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case UPLOAD_ERR_NO_FILE:
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$result['content'] = 'Aucun fichier n\'a été envoyé.';
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break;
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case UPLOAD_ERR_NO_TMP_DIR:
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$result['content'] = 'Le serveur ne dispose pas de fichier temporaire permettant l\'envoi de fichiers.';
break;
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case UPLOAD_ERR_CANT_WRITE:
$result['content'] = 'Impossible d\'envoyer le fichier car il n\'y a plus de place sur le serveur.';
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break;
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case UPLOAD_ERR_EXTENSION:
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$result['content'] = 'Le serveur a interrompu l\'envoi du fichier.';
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break;
}
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return $result;
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}
$tmp_filename = $file['tmp_name'] ?? false;
if (!$tmp_filename || !is_readable($tmp_filename))
{
return $result;
}
$result['tmp_name'] = $tmp_filename;
$result['extension'] = pathinfo($file['name'], PATHINFO_EXTENSION);
$result['mime_type'] = mime_content_type($tmp_filename);
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$file_handler = fopen($tmp_filename, 'r');
$result['success'] = true;
$result['content'] = $file_handler;
return $result;
}
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/**
* Generate a highly random uuid based on timestamp and strong cryptographic random
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*
* @return string
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*/
public static function random_uuid()
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{
$bytes = random_bytes(16);
return time() . '-' . bin2hex($bytes);
}
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/**
* Create a user data public path
* @param int $id_user : The user id
*
* @return string : The created path
* @exception Raise exception on error
*/
public static function create_user_public_path (int $id_user)
{
$new_dir = PWD_DATA_PUBLIC . '/' . $id_user;
if (file_exists($new_dir))
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{
return $new_dir;
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}
clearstatcache();
if (!mkdir($new_dir))
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{
throw new \Exception('Cannot create dir ' . $new_dir);
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}
//We do chmod in two times because else umask fuck mkdir permissions
if (!chmod($new_dir, fileperms(PWD_DATA_PUBLIC) & 0777)) //Fileperms return garbage in addition to perms. Perms are only in weak bytes. We must use an octet notation with 0
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{
throw new \Exception('Cannot give dir ' . $new_dir . ' rights : ' . decoct(fileperms(PWD_DATA_PUBLIC) & 0777)); //Show error in dec
}
if (posix_getuid() === 0 && !chown($new_dir, fileowner(PWD_DATA_PUBLIC))) //If we are root, try to give the file to a proper user
{
throw new \Exception('Cannot give dir ' . $new_dir . ' to user : ' . fileowner(PWD_DATA_PUBLIC));
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}
if (posix_getuid() === 0 && !chgrp($new_dir, filegroup(PWD_DATA_PUBLIC))) //If we are root, try to give the file to a proper group
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{
throw new \Exception('Cannot give dir ' . $new_dir . ' to group : ' . filegroup(PWD_DATA_PUBLIC));
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}
return $new_dir;
}
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}