SUCCESS');
} else {
_log('FAIL');
}
_log('Finish try to get URL ');
$timeElapsed = number_format(microtime(true) - $timeStarted,5);
if($timeElapsed>=2){
_log('IMPORTANT: your stats took longer than 2 seconds to respond, the Streamer has a 2 seconds timeout rule ');
}
function url_get_contents($url, $timeout = 0) {
_log('url_get_contents start timeout=' . $timeout);
$agent = "AVideoStreamer";
$opts = array(
'http' => array('header' => "User-Agent: {$agent}\r\n"),
"ssl" => array(
"verify_peer" => false,
"verify_peer_name" => false,
"allow_self_signed" => true,
),
);
if (!empty($timeout)) {
ini_set('default_socket_timeout', $timeout);
$opts['http'] = array('timeout' => $timeout);
}
$context = stream_context_create($opts);
if (ini_get('allow_url_fopen')) {
try {
$tmp = file_get_contents($url, false, $context);
_log('file_get_contents:: '.htmlentities($tmp));
if (empty($tmp)) {
_log('file_get_contents fail return an empty content');
return false;
}else{
_log('file_get_contents works');
return true;
}
} catch (ErrorException $e) {
_log('file_get_contents fail catch error: ' . $e->getMessage());
return false;
}
} elseif (function_exists('curl_init')) {
_log('allow_url_fopen is NOT enabled but curl_init is, we will try CURL');
$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, $agent);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
if (!empty($timeout)) {
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout + 10);
}
$output = curl_exec($ch);
curl_close($ch);
_log('curl_init:: '.htmlentities($output));
if (empty($output)) {
_log('curl_init fail to download');
return false;
} else {
_log('curl_init success to download');
return true;
}
} else {
_log('IMPORTANT: allow_url_fopen is NOT enabled also curl_init is NOT enable, please investigate it and make sure it is enabled');
}
_log('Try wget');
// try wget
$tmpDir = sys_get_temp_dir();
if (empty($tmpDir)) {
_log('IMPORTANT: your sys_get_temp_dir is empty');
return false;
}
if (!is_writable($tmpDir)) {
_log('IMPORTANT: we cannot write in your temp directory ' . $tmpDir);
return false;
}
$tmpDir = rtrim($tmpDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
$filename = $tmpDir . md5($url);
if (wget($url, $filename)) {
$result = file_get_contents($filename);
_log('wget:: '.htmlentities($result));
unlink($filename);
if (!empty($result)) {
_log('wget works ');
return true;
} else {
_log('wget fail ');
}
}
unlink($filename);
return false;
}
function wget($url, $filename) {
if (empty($url) || $url == "php://input" || !preg_match("/^http/", $url)) {
_log('this is not a URL ');
return false;
}
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
_log('this is a windows OS ');
return false;
}
$cmd = "wget --tries=1 {$url} -O {$filename} --no-check-certificate";
exec($cmd);
if (!file_exists($filename)) {
_log('wget download fail, we cannot read the file: ' . $filename);
return false;
}
if (empty(filesize($filename))) {
_log('wget download fail, the file is empty: ' . $filename);
return false;
} else {
_log('wget download success, the file is NOT empty: ' . $filename);
return true;
}
}
function _log($msg) {
global $timeStarted;
$timeElapsed = number_format(microtime(true) - $timeStarted,5);
echo '[' . date('Y-m-d H:i:s') . "] Time Elapsed: {$timeElapsed} seconds - " . $msg . '
' . PHP_EOL;
}