diff --git a/libs/Utils/Config.php b/libs/Utils/Config.php new file mode 100644 index 0000000..a408acf --- /dev/null +++ b/libs/Utils/Config.php @@ -0,0 +1,138 @@ +_checkPHPVersion(5.3); + + $this->file = __DIR__.'/../../conf/esm.config.json'; + + if (!file_exists($this->file)) + throw new \Exception('Config file '.basename($this->file).' not found'); + + $this->_readFile(); + } + + private function _readFile() + { + $content = file_get_contents($this->file); + $this->config = json_decode(utf8_encode($content), true); + + if ($this->config == null && json_last_error() != JSON_ERROR_NONE) + { + throw new \LogicException(sprintf("Failed to parse config file '%s'. Error: '%s'", basename($this->file) , json_last_error_msg())); + } + } + + + /** + * Returns a specific config variable + * Ex : get('ping:hosts') + */ + public function get($var) + { + $tab = $this->config; + + $explode = explode(':', $var); + + foreach ($explode as $vartmp) + { + if (isset($tab[$vartmp])) + { + $tab = $tab[$vartmp]; + } + } + + // return $tab == $this->config ? null : $tab; + return $tab; + } + + + /** + * Returns all config variables + */ + public function getAll() + { + return $this->config; + } + + + /** + * Checks the PHP version compared to the required version + */ + private function _checkPHPVersion($min) + { + if (!version_compare(phpversion(), $min, '>=')) + throw new \Exception('Your PHP version is too old ! PHP '.$min.' is required.'); + + return true; + } + + + /** + * Checks if there is an eSM`Web update available + */ + public function checkUpdate() + { + if ($this->get('esm:check_updates') === false) + return null; + + $response = null; + $this_version = $this->get('esm:version'); + $update_url = $this->get('esm:website').'/esm-web/update/'.$this_version; + + if (!function_exists('curl_version')) + { + $tmp = @file_get_contents($update_url); + $response = json_decode($tmp, true); + } + else + { + $curl = curl_init(); + + curl_setopt_array($curl, array( + CURLOPT_CONNECTTIMEOUT => 10, + CURLOPT_RETURNTRANSFER => true, + CURLOPT_SSL_VERIFYPEER => false, + CURLOPT_TIMEOUT => 60, + CURLOPT_USERAGENT => 'M_Viper Server Monitor', + CURLOPT_URL => $update_url, + )); + + $response = json_decode(curl_exec($curl), true); + + curl_close($curl); + } + + if (!is_null($response) && !empty($response)) + { + if (is_null($response['error'])) + { + return $response['datas']; + } + } + } +} + + +// PHP 5.5.0 +if (!function_exists('json_last_error_msg')) +{ + function json_last_error_msg() + { + static $errors = array( + JSON_ERROR_NONE => null, + JSON_ERROR_DEPTH => 'Maximum stack depth exceeded', + JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch', + JSON_ERROR_CTRL_CHAR => 'Unexpected control character found', + JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON', + JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded' + ); + $error = json_last_error(); + return array_key_exists($error, $errors) ? $errors[$error] : "Unknown error ({$error})"; + } +} \ No newline at end of file diff --git a/libs/Utils/Misc.php b/libs/Utils/Misc.php new file mode 100644 index 0000000..37e578b --- /dev/null +++ b/libs/Utils/Misc.php @@ -0,0 +1,205 @@ + $unit) + { + if ($filesize > 1024) + $filesize /= 1024; + else + break; + } + + return round($filesize, $precision).' '.$units[$idUnit].'B'; + } + + + /** + * Returns hostname + * + * @return string Hostname + */ + public static function getHostname() + { + return php_uname('n'); + } + + + /** + * Returns CPU cores number + * + * @return int Number of cores + */ + public static function getCpuCoresNumber() + { + if (!($num_cores = shell_exec('/bin/grep -c ^processor /proc/cpuinfo'))) + { + if (!($num_cores = trim(shell_exec('/usr/bin/nproc')))) + { + $num_cores = 1; + } + } + + if ((int)$num_cores <= 0) + $num_cores = 1; + + return (int)$num_cores; + } + + + /** + * Returns server IP + * + * @return string Server local IP + */ + public static function getLanIp() + { + return $_SERVER['SERVER_ADDR']; + } + + + /** + * Seconds to human readable text + * Eg: for 36545627 seconds => 1 year, 57 days, 23 hours and 33 minutes + * + * @return string Text + */ + public static function getHumanTime($seconds) + { + $units = array( + 'year' => 365*86400, + 'day' => 86400, + 'hour' => 3600, + 'minute' => 60, + // 'second' => 1, + ); + + $parts = array(); + + foreach ($units as $name => $divisor) + { + $div = floor($seconds / $divisor); + + if ($div == 0) + continue; + else + if ($div == 1) + $parts[] = $div.' '.$name; + else + $parts[] = $div.' '.$name.'s'; + $seconds %= $divisor; + } + + $last = array_pop($parts); + + if (empty($parts)) + return $last; + else + return join(', ', $parts).' and '.$last; + } + + + /** + * Returns a command that exists in the system among $cmds + * + * @param array $cmds List of commands + * @param string $args List of arguments (optional) + * @param bool $returnWithArgs If true, returns command with the arguments + * @return string Command + */ + public static function whichCommand($cmds, $args = '', $returnWithArgs = true) + { + $return = ''; + + foreach ($cmds as $cmd) + { + if (trim(shell_exec($cmd.$args)) != '') + { + $return = $cmd; + + if ($returnWithArgs) + $return .= $args; + + break; + } + } + + return $return; + } + + + /** + * Allows to pluralize a word based on a number + * Ex : echo 'mot'.Misc::pluralize(5); ==> prints mots + * Ex : echo 'cheva'.Misc::pluralize(5, 'ux', 'l'); ==> prints chevaux + * Ex : echo 'cheva'.Misc::pluralize(1, 'ux', 'l'); ==> prints cheval + * + * @param int $nb Number + * @param string $plural String for plural word + * @param string $singular String for singular word + * @return string String pluralized + */ + public static function pluralize($nb, $plural = 's', $singular = '') + { + return $nb > 1 ? $plural : $singular; + } + + + /** + * Checks if a port is open (TCP or UPD) + * + * @param string $host Host to check + * @param int $port Port number + * @param string $protocol tcp or udp + * @param integer $timeout Timeout + * @return bool True if the port is open else false + */ + public static function scanPort($host, $port, $protocol = 'tcp', $timeout = 3) + { + if ($protocol == 'tcp') + { + $handle = @fsockopen($host, $port, $errno, $errstr, $timeout); + + if ($handle) + return true; + else + return false; + } + elseif ($protocol == 'udp') + { + $handle = @fsockopen('udp://'.$host, $port, $errno, $errstr, $timeout); + + socket_set_timeout($handle, $timeout); + + $write = fwrite($handle, 'x00'); + + $startTime = time(); + + $header = fread($handle, 1); + + $endTime = time(); + + $timeDiff = $endTime - $startTime; + + fclose($handle); + + if ($timeDiff >= $timeout) + return true; + else + return false; + } + + return false; + } +} \ No newline at end of file