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execute.php
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157 lines (142 loc) · 6 KB
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<?php
require('info.php');
$content = file_get_contents("php://input");
$update = json_decode($content, true);
if(!$update['message']) {
$update = array("update_id" => 603236538, "message" => array("message_id" => 200, "from" => array("id" => 89675136, "first_name" => "ZLampo", "username" => "Odococo"), "chat" => array("id" => 89675136, "first_name" => "ZLampo", "username" => "Odococo", "type" => "private"), "date" => 1490036762, "text" => "domanda 1"));
processMessage($update['message']);
//exit;
} else {
processMessage($update['message']);
}
/*
* Gestisco la richiesta al bot
*/
function processMessage($message) {
// processo il contenuto del messaggio ricevuto da telegram
if(isset($message['text'])) {
$text = $message['text'];
$chat_id = isset($message['chat']['id']) ? $message['chat']['id'] : "";
if(strpos($text, "#")) { // se voglio un messaggio informativo riguardante il messaggio ricevuto (il json del messaggio)
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => print_r($message, true)));
} elseif(isset($message['entities']) && $message['entities']['type'] == "bot_command") { // se il messaggio inizia/contiene(?) /<text> telegram associa un campo entities
botCommands($message);
} elseif($text == "domanda 1") {
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => "Risposta 1"));
} elseif($text == "domanda 2") {
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => "Risposta 2"));
} elseif($message['forward_from']) { // se il messaggio è inoltrato il json del messaggio avrà questo campo
$forward_date = date(DATE_RFC2822, $message['forward_date']);
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => "Messaggio inoltrato da {$message['forward_from']['username']} il {$forward_date}"));
} else {
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => "Testo {$text} non valido"));
}
}
}
/*
* Gestisco i comandi del bot
*/
function botCommands($message) {
$username = isset($message['chat']['username']) ? $message['chat']['username'] : "";
$chat_id = isset($message['chat']['id']) ? $message['chat']['id'] : "";
$text = isset($message['text']) ? $message['text'] : "";
if(strpos($text, "/start") === 0) {
apiRequestJson("sendMessage", array('chat_id' => $chat_id, 'text' => "Hello", 'reply_markup' => array(
'keyboard' => array(array("Hello", "Hi")),
'one_time_keyboard' => true,
'resize_keyboard' => true)));
apiRequest("sendMessage", array('chat_id' => 89675136, 'text' => "Nuovo utente: {$username}"));
$file = fopen("utenti.json", "a") or die("Unable to open file!");
fwrite($file, json_encode(array("username" => $username, "chat_id" => $chat_id)));
fclose($file);
} elseif(strpos($text, "/webhookinfo") === 0) {
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => apiRequest("getWebhookInfo", array())));
} else {
apiRequest("sendMessage", array('chat_id' => $chat_id, 'text' => "Comando {$text} non valido "));
}
}
/*
* Gestisco le risposte al bot che richiedono parametri aggiuntivi oltre al testo
*/
function apiRequestJson($method, $parameters) {
if(!is_string($method)) {
error_log("Method name must be a string\n");
return false;
}
// se passo o meno qualche parametro
if(!$parameters) {
$parameters = array();
} else if (!is_array($parameters)) {
error_log("Parameters must be an array\n");
return false;
}
$parameters["method"] = $method;
$handle = curl_init(API_URL);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($handle, CURLOPT_TIMEOUT, 60);
curl_setopt($handle, CURLOPT_POSTFIELDS, json_encode($parameters));
curl_setopt($handle, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));
return exec_curl_request($handle);
}
/*
* Gestisco le risposte al bot di solo testo
*/
function apiRequest($method, $parameters) {
if(!is_string($method)) {
error_log("Method name must be a string\n");
return false;
}
if(!$parameters) {
$parameters = array();
} else if (!is_array($parameters)) {
error_log("Parameters must be an array\n");
return false;
}
foreach ($parameters as $key => &$val) {
// encoding to JSON array parameters, for example reply_markup
if (!is_numeric($val) && !is_string($val)) {
$val = json_encode($val);
}
}
$url = API_URL.$method.'?'.http_build_query($parameters);
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($handle, CURLOPT_TIMEOUT, 60);
return exec_curl_request($handle);
}
/*
* Gestisco la risposta effettiva che il bot manderà
*/
function exec_curl_request($handle) {
$response = curl_exec($handle);
if($response === false) {
$errno = curl_errno($handle);
$error = curl_error($handle);
error_log("Curl returned error $errno: $error\n");
curl_close($handle);
return false;
}
$http_code = intval(curl_getinfo($handle, CURLINFO_HTTP_CODE));
curl_close($handle);
if($http_code >= 500) {
// do not wat to DDOS server if something goes wrong
sleep(10);
return false;
} else if($http_code != 200) {
$response = json_decode($response, true);
error_log("Request has failed with error {$response['error_code']} : {$response['description']}\n");
if($http_code == 401) {
throw new Exception('Invalid access token provided');
}
return false;
} else {
$response = json_decode($response, true);
if (isset($response['description'])) {
error_log("Request was successfull: {$response['description']}\n");
}
$response = $response['result'];
}
return $response;
}