X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCore%2FSystem.php;h=66b6b25a501e16245019c8a8f0bde0885dac56fe;hb=e19681684b382721158a0cb4c20840b74ea25161;hp=15f4ba60aacd4e6d847b1d10f543489b3cd632e0;hpb=4236a9a1059411c1d6483f772af30322ce713f0e;p=friendica.git diff --git a/src/Core/System.php b/src/Core/System.php index 15f4ba60aa..66b6b25a50 100644 --- a/src/Core/System.php +++ b/src/Core/System.php @@ -1,6 +1,6 @@ logger = $logger; + $this->config = $config; + $this->basePath = $basepath; + } + + /** + * Checks if the maximum number of database processes is reached + * + * @return bool Is the limit reached? + */ + public function isMaxProcessesReached(): bool + { + // Deactivated, needs more investigating if this check really makes sense + return false; + + /* + * Commented out to suppress static analyzer issues + * + if ($this->mode->isBackend()) { + $process = 'backend'; + $max_processes = $this->config->get('system', 'max_processes_backend'); + if (intval($max_processes) == 0) { + $max_processes = 5; + } + } else { + $process = 'frontend'; + $max_processes = $this->config->get('system', 'max_processes_frontend'); + if (intval($max_processes) == 0) { + $max_processes = 20; + } + } + + $processlist = DBA::processlist(); + if ($processlist['list'] != '') { + $this->logger->debug('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list']); + + if ($processlist['amount'] > $max_processes) { + $this->logger->debug('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.'); + return true; + } + } + return false; + */ + } + + /** + * Checks if the minimal memory is reached + * + * @return bool Is the memory limit reached? + */ + public function isMinMemoryReached(): bool + { + // Deactivated, needs more investigating if this check really makes sense + return false; + + /* + * Commented out to suppress static analyzer issues + * + $min_memory = $this->config->get('system', 'min_memory', 0); + if ($min_memory == 0) { + return false; + } + + if (!is_readable('/proc/meminfo')) { + return false; + } + + $memdata = explode("\n", file_get_contents('/proc/meminfo')); + + $meminfo = []; + foreach ($memdata as $line) { + $data = explode(':', $line); + if (count($data) != 2) { + continue; + } + [$key, $val] = $data; + $meminfo[$key] = (int)trim(str_replace('kB', '', $val)); + $meminfo[$key] = (int)($meminfo[$key] / 1024); + } + + if (!isset($meminfo['MemFree'])) { + return false; + } + + $free = $meminfo['MemFree']; + + $reached = ($free < $min_memory); + + if ($reached) { + $this->logger->warning('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]); + } + + return $reached; + */ + } + + /** + * Checks if the maximum load is reached + * + * @return bool Is the load reached? + */ + public function isMaxLoadReached(): bool + { + $maxsysload = intval($this->config->get('system', 'maxloadavg')); + if ($maxsysload < 1) { + $maxsysload = 50; + } + + $load = System::currentLoad(); + if ($load) { + if (intval($load) > $maxsysload) { + $this->logger->warning('system load for process too high.', ['load' => $load, 'process' => 'backend', 'maxsysload' => $maxsysload]); + return true; + } + } + return false; + } + + /** + * Executes a child process with 'proc_open' + * + * @param string $command The command to execute + * @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ] + */ + public function run(string $command, array $args) + { + if (!function_exists('proc_open')) { + $this->logger->warning('"proc_open" not available - quitting'); + return; + } + + $cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command); + + foreach ($args as $key => $value) { + if (!is_null($value) && is_bool($value) && !$value) { + continue; + } + + $cmdline .= ' --' . $key; + if (!is_null($value) && !is_bool($value)) { + $cmdline .= ' ' . $value; + } + } + + if ($this->isMinMemoryReached()) { + $this->logger->warning('Memory limit reached - quitting'); + return; + } + + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { + $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->basePath); + } else { + $resource = proc_open($cmdline . ' &', [], $foo, $this->basePath); + } + + if (!is_resource($resource)) { + $this->logger->warning('We got no resource for command.', ['command' => $cmdline]); + return; + } + + proc_close($resource); + + $this->logger->info('Executed "proc_open"', ['command' => $cmdline, 'callstack' => System::callstack(10)]); + } + /** * Returns a string with a callstack. Can be used for logging. * @@ -41,7 +226,7 @@ class System * this is called from a centralized method that isn't relevant to the callstack * @return string */ - public static function callstack(int $depth = 4, int $offset = 0) + public static function callstack(int $depth = 4, int $offset = 0): string { $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS); @@ -103,14 +288,12 @@ class System } if ($st) { - Logger::log('xml_status returning non_zero: ' . $st . " message=" . $message); + Logger::notice('xml_status returning non_zero: ' . $st . " message=" . $message); } - header("Content-type: text/xml"); - - $xmldata = ["result" => $result]; - - echo XML::fromArray($xmldata, $xml); + DI::apiResponse()->setType(Response::TYPE_XML); + DI::apiResponse()->addContent(XML::fromArray(["result" => $result], $xml)); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } @@ -123,25 +306,41 @@ class System * @param string $content Response body. Optional. * @throws \Exception */ - public static function httpExit($val, $message = '', $content = '') + public static function httpError($httpCode, $message = '', $content = '') { - if ($val >= 400) { - Logger::debug('Exit with error', ['code' => $val, 'message' => $message, 'callstack' => System::callstack(20), 'method' => $_SERVER['REQUEST_METHOD'], 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); + if ($httpCode >= 400) { + Logger::debug('Exit with error', ['code' => $httpCode, 'message' => $message, 'callstack' => System::callstack(20), 'method' => DI::args()->getMethod(), 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); } - header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $message); + DI::apiResponse()->setStatus($httpCode, $message); + DI::apiResponse()->addContent($content); + DI::page()->exit(DI::apiResponse()->generate()); - echo $content; + exit(); + } + /** + * This function adds the content and a content-teype HTTP header to the output. + * After finishing the process is getting killed. + * + * @param string $content + * @param [type] $responce + * @param string|null $content_type + * @return void + */ + public static function httpExit(string $content, string $responce = Response::TYPE_HTML, ?string $content_type = null) { + DI::apiResponse()->setType($responce, $content_type); + DI::apiResponse()->addContent($content); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } - public static function jsonError($httpCode, $data, $content_type = 'application/json') + public static function jsonError($httpCode, $content, $content_type = 'application/json') { if ($httpCode >= 400) { - Logger::debug('Exit with error', ['code' => $httpCode, 'content_type' => $content_type, 'callstack' => System::callstack(20), 'method' => $_SERVER['REQUEST_METHOD'], 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); + Logger::debug('Exit with error', ['code' => $httpCode, 'content_type' => $content_type, 'callstack' => System::callstack(20), 'method' => DI::args()->getMethod(), 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); } - header($_SERVER["SERVER_PROTOCOL"] . ' ' . $httpCode); - self::jsonExit($data, $content_type); + DI::apiResponse()->setStatus($httpCode); + self::jsonExit($content, $content_type); } /** @@ -151,13 +350,15 @@ class System * and adds an application/json HTTP header to the output. * After finishing the process is getting killed. * - * @param mixed $x The input content. - * @param string $content_type Type of the input (Default: 'application/json'). - * @param integer $options JSON options + * @param mixed $content The input content + * @param string $content_type Type of the input (Default: 'application/json') + * @param integer $options JSON options + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - public static function jsonExit($x, $content_type = 'application/json', int $options = 0) { - header("Content-type: $content_type"); - echo json_encode($x, $options); + public static function jsonExit($content, $content_type = 'application/json', int $options = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) { + DI::apiResponse()->setType(Response::TYPE_JSON, $content_type); + DI::apiResponse()->addContent(json_encode($content, $options)); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } @@ -229,13 +430,12 @@ class System * * @param string $url The new Location to redirect * @param int $code The redirection code, which is used (Default is 302) - * - * @throws BadRequestException If the URL is not fully qualified */ public static function externalRedirect($url, $code = 302) { if (empty(parse_url($url, PHP_URL_SCHEME))) { - throw new BadRequestException("'$url' is not a fully qualified URL, please use App->internalRedirect() instead"); + Logger::warning('No fully qualified URL provided', ['url' => $url, 'callstack' => self::callstack(20)]); + DI::baseUrl()->redirect($url); } header("Location: $url"); @@ -280,27 +480,27 @@ class System public static function isDirectoryUsable($directory, $check_writable = true) { if ($directory == '') { - Logger::log('Directory is empty. This shouldn\'t happen.', Logger::DEBUG); + Logger::info('Directory is empty. This shouldn\'t happen.'); return false; } if (!file_exists($directory)) { - Logger::log('Path "' . $directory . '" does not exist for user ' . static::getUser(), Logger::DEBUG); + Logger::info('Path "' . $directory . '" does not exist for user ' . static::getUser()); return false; } if (is_file($directory)) { - Logger::log('Path "' . $directory . '" is a file for user ' . static::getUser(), Logger::DEBUG); + Logger::info('Path "' . $directory . '" is a file for user ' . static::getUser()); return false; } if (!is_dir($directory)) { - Logger::log('Path "' . $directory . '" is not a directory for user ' . static::getUser(), Logger::DEBUG); + Logger::info('Path "' . $directory . '" is not a directory for user ' . static::getUser()); return false; } if ($check_writable && !is_writable($directory)) { - Logger::log('Path "' . $directory . '" is not writable for user ' . static::getUser(), Logger::DEBUG); + Logger::info('Path "' . $directory . '" is not writable for user ' . static::getUser()); return false; } @@ -314,7 +514,7 @@ class System */ public static function htmlUpdateExit($o) { - header("Content-type: text/html"); + DI::apiResponse()->setType(Response::TYPE_HTML); echo "\r\n"; // We can remove this hack once Internet Explorer recognises HTML5 natively echo "
"; @@ -325,15 +525,85 @@ class System exit(); } - /// @todo Move the following functions from boot.php - /* - function local_user() - function public_contact() - function remote_user() - function notice($s) - function info($s) - function is_site_admin() - function get_temppath() - function get_spoolpath() - */ + /** + * Fetch the temp path of the system + * + * @return string Path for temp files + */ + public static function getTempPath() + { + $temppath = DI::config()->get("system", "temppath"); + + if (($temppath != "") && System::isDirectoryUsable($temppath)) { + // We have a temp path and it is usable + return BasePath::getRealPath($temppath); + } + + // We don't have a working preconfigured temp path, so we take the system path. + $temppath = sys_get_temp_dir(); + + // Check if it is usable + if (($temppath != "") && System::isDirectoryUsable($temppath)) { + // Always store the real path, not the path through symlinks + $temppath = BasePath::getRealPath($temppath); + + // To avoid any interferences with other systems we create our own directory + $new_temppath = $temppath . "/" . DI::baseUrl()->getHostname(); + if (!is_dir($new_temppath)) { + /// @TODO There is a mkdir()+chmod() upwards, maybe generalize this (+ configurable) into a function/method? + mkdir($new_temppath); + } + + if (System::isDirectoryUsable($new_temppath)) { + // The new path is usable, we are happy + DI::config()->set("system", "temppath", $new_temppath); + return $new_temppath; + } else { + // We can't create a subdirectory, strange. + // But the directory seems to work, so we use it but don't store it. + return $temppath; + } + } + + // Reaching this point means that the operating system is configured badly. + return ''; + } + + /** + * Returns the path where spool files are stored + * + * @return string Spool path + */ + public static function getSpoolPath() + { + $spoolpath = DI::config()->get('system', 'spoolpath'); + if (($spoolpath != "") && System::isDirectoryUsable($spoolpath)) { + // We have a spool path and it is usable + return $spoolpath; + } + + // We don't have a working preconfigured spool path, so we take the temp path. + $temppath = self::getTempPath(); + + if ($temppath != "") { + // To avoid any interferences with other systems we create our own directory + $spoolpath = $temppath . "/spool"; + if (!is_dir($spoolpath)) { + mkdir($spoolpath); + } + + if (System::isDirectoryUsable($spoolpath)) { + // The new path is usable, we are happy + DI::config()->set("system", "spoolpath", $spoolpath); + return $spoolpath; + } else { + // We can't create a subdirectory, strange. + // But the directory seems to work, so we use it but don't store it. + return $temppath; + } + } + + // Reaching this point means that the operating system is configured badly. + return ""; + } }