442 lines
13 KiB
PHP
442 lines
13 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 adapters;
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/**
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* Interface for phones adapters
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* Phone's adapters allow RaspiSMS to use a platform to communicate with a phone number.
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* Its an adapter between internal and external code, as an API, command line software, physical modem, etc.
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*
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* All Phone Adapters must implement this interface
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*/
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class GammuAdapter implements AdapterInterface
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{
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/**
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* Data used to configure interaction with the implemented service. (e.g : Api credentials, ports numbers, etc.).
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*/
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private $data;
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/**
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* Adapter constructor, called when instanciated by RaspiSMS.
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*
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* @param json string $data : JSON string of the data to configure interaction with the implemented service
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*/
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public function __construct(string $data)
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{
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$this->data = json_decode($data, true);
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}
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/**
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* Classname of the adapter.
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*/
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public static function meta_classname(): string
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{
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return __CLASS__;
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}
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/**
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* Uniq name of the adapter
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* It should be the classname of the adapter un snakecase.
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*/
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public static function meta_uid(): string
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{
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return 'gammu_adapter';
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}
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/**
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* Should this adapter be hidden in user interface for phone creation and
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* available to creation through API only.
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*/
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public static function meta_hidden(): bool
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{
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return false;
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}
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/**
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* Should this adapter data be hidden after creation
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* this help to prevent API credentials to other service leak if an attacker gain access to RaspiSMS through user credentials.
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*/
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public static function meta_hide_data(): bool
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{
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return false;
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}
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/**
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* Name of the adapter.
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* It should probably be the name of the service it adapt (e.g : Gammu SMSD, OVH SMS, SIM800L, etc.).
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*/
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public static function meta_name(): string
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{
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return 'Gammu';
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}
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/**
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* Description of the adapter.
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* A short description of the service the adapter implements.
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*/
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public static function meta_description(): string
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{
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return 'Utilisation du logiciel Gammu qui doit être installé sur le serveur et configuré. Voir <a target="_blank" href="https://wammu.eu">https://wammu.eu</a>.<br/>
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Pour plus d\'information sur l\'utilisation de ce type de téléphone, reportez-vous à <a href="https://documentation.raspisms.fr/users/adapters/gammu.html" target="_blank">la documentation sur le téléphone "Gammu".</a>
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';
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}
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/**
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* List of entries we want in data for the adapter.
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*
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* @return array : Every line is a field as an array with keys : name, title, description, required
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*/
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public static function meta_data_fields(): array
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{
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return [
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[
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'name' => 'config_file',
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'title' => 'Fichier de configuration',
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'description' => 'Chemin vers le fichier de configuration que Gammu devra utiliser pour se connecter au téléphone .',
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'required' => true,
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],
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[
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'name' => 'pin',
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'title' => 'Code PIN',
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'description' => 'Code PIN devant être utilisé pour activer la carte SIM (laisser vide pour ne pas utiliser de code PIN).',
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'required' => false,
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],
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];
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}
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/**
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* Does the implemented service support reading smss.
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*/
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public static function meta_support_read(): bool
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{
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return true;
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}
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/**
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* Does the implemented service support updating phone status.
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*/
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public static function meta_support_phone_status(): bool
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{
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return false;
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}
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/**
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* Does the implemented service support flash smss.
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*/
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public static function meta_support_flash(): bool
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{
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return false;
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}
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/**
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* Does the implemented service support status change.
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*/
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public static function meta_support_status_change(): bool
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{
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return false;
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}
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/**
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* Does the implemented service support reception callback.
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*/
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public static function meta_support_reception(): bool
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{
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return false;
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}
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/**
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* Does the implemented service support mms reception.
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*/
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public static function meta_support_mms_reception(): bool
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{
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return false;
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}
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/**
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* Does the implemented service support mms sending.
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*/
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public static function meta_support_mms_sending(): bool
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{
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return false;
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}
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public static function meta_support_inbound_call_callback(): bool
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{
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return false;
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}
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public static function meta_support_end_call_callback(): bool
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{
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return false;
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}
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public function send(string $destination, string $text, bool $flash = false, bool $mms = false, array $medias = []): array
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{
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$response = [
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'error' => false,
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'error_message' => null,
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'uid' => null,
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];
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if (!$this->unlock_sim())
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{
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$response['error'] = true;
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$response['error_message'] = 'Cannot unlock SIM.';
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return $response;
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}
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$command_parts = [
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'LC_ALL=C',
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'gammu',
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'--config',
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escapeshellarg($this->data['config_file']),
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'sendsms',
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'TEXT',
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escapeshellarg($destination),
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'-textutf8',
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escapeshellarg($text),
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'-validity',
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'MAX',
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'-autolen',
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mb_strlen($text),
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];
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if ($flash)
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{
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$command_parts[] = '-flash';
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}
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$result = $this->exec_command($command_parts);
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if (0 !== $result['return'])
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{
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$response['error'] = true;
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$response['error_message'] = 'Gammu command failed.';
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return $response;
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}
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$find_ok = $this->search_for_string($result['output'], 'ok');
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if (!$find_ok)
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{
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$response['error'] = true;
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$response['error_message'] = 'Cannot find output OK.';
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return $response;
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}
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$uid = false;
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foreach ($result['output'] as $line)
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{
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$matches = [];
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preg_match('#=([0-9]+)#u', $line, $matches);
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if ($matches[1] ?? false)
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{
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$uid = $matches[1];
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break;
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}
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}
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if (false === $uid)
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{
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$response['error'] = true;
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$response['error_message'] = 'Cannot retrieve sms uid.';
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return $response;
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}
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$response['uid'] = $uid;
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return $response;
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}
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public function read(): array
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{
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$response = [
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'error' => false,
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'error_message' => null,
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'smss' => [],
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];
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if (!$this->unlock_sim())
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{
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$response['error'] = true;
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$response['error_message'] = 'Cannot unlock sim.';
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return $response;
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}
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$command_parts = [
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PWD . '/bin/gammu_get_unread_sms.py',
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escapeshellarg($this->data['config_file']),
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];
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$return = $this->exec_command($command_parts);
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if (0 !== $return['return'])
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{
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$response['error'] = true;
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$response['error_message'] = 'Gammu command return failed.';
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return $response;
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}
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foreach ($return['output'] as $line)
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{
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$decode = json_decode($line, true);
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if (null === $decode)
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{
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continue;
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}
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$response['smss'][] = [
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'at' => $decode['at'],
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'text' => $decode['text'],
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'origin' => $decode['number'],
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];
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}
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return $response;
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}
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/**
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* Method called to verify phone status
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*
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* @return string : Return one phone status among 'available', 'unavailable', 'no_credit'
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*/
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public function check_phone_status(): string
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{
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return \models\Phone::STATUS_AVAILABLE;
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}
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public function test(): bool
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{
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//Always return true as we cannot test because we would be needing a root account
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return true;
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}
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public static function status_change_callback()
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{
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return false;
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}
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public static function reception_callback(): array
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{
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return [];
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}
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public function inbound_call_callback(): array
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{
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return [];
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}
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public function end_call_callback(): array
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{
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return [];
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}
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/**
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* Function to unlock pin.
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*
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* @return bool : False on error, true else
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*/
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private function unlock_sim(): bool
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{
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if (!$this->data['pin'])
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{
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return true;
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}
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// The command returns 123 on failed execution (even if SIM is already unlocked), and returns 0 if unlock was successful
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// We can directly return true if command was succesful
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$command_parts = [
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'LC_ALL=C',
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'gammu',
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'--config',
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escapeshellarg($this->data['config_file']),
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'entersecuritycode',
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'PIN',
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escapeshellarg($this->data['pin']),
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];
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$result = $this->exec_command($command_parts);
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if (0 === $result['return'])
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{
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return true;
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}
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//Check security status
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// The command returns 0 regardless of the SIM security state
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$command_parts = [
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'LC_ALL=C',
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'gammu',
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'--config',
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escapeshellarg($this->data['config_file']),
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'getsecuritystatus',
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];
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$result = $this->exec_command($command_parts);
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if (0 !== $result['return'])
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{
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return false;
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}
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return $this->search_for_string($result['output'], 'nothing');
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}
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/**
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* Function to execute a command and transmit it to Gammu.
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*
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* @param array $command_parts : Commands parts to be join with a space
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*
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* @return array : ['return' => int:return code of command, 'output' => array:each raw is a line of the output]
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*/
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private function exec_command(array $command_parts): array
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{
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//Add redirect of error to stdout
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$command_parts[] = '2>&1';
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$command = implode(' ', $command_parts);
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$output = [];
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$return_var = null;
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exec($command, $output, $return_var);
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return ['return' => (int) $return_var, 'output' => $output];
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}
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/**
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* Function to search a string in the output of an executer command.
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*
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* @param array $output : Text to search in where each raw is a line
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* @param string $search : Text to search for
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*
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* @return bool : True if found, false else
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*/
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private function search_for_string(array $output, string $search): bool
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{
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$find = false;
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foreach ($output as $line)
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{
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$find = mb_stristr($line, $search);
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if (false !== $find)
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{
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break;
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}
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}
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return (bool) $find;
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}
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}
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