*/
namespace Friendica\Core;
-use Friendica\BaseObject;
-use Friendica\Core\Logger;
-use Friendica\Core\Renderer;
+use Friendica\DI;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\XML;
/**
* @brief System methods
*/
-class System extends BaseObject
+class System
{
/**
* @brief Retrieves the Friendica instance base URL
*
- * @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
+ * @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
* @return string Friendica server base URL
*/
public static function baseUrl($ssl = false)
{
- return self::getApp()->getBaseURL($ssl);
+ return DI::baseUrl()->get($ssl);
}
/**
* @param string $orig_url The url to be cleaned
*
* @return string The cleaned url
+ * @throws \Exception
*/
- public static function removedBaseUrl($orig_url)
+ public static function removedBaseUrl(string $orig_url)
{
- return self::getApp()->removeBaseURL($orig_url);
+ return DI::baseUrl()->remove($orig_url);
}
/**
array_shift($trace);
$callstack = [];
- $counter = 0;
$previous = ['class' => '', 'function' => ''];
// The ignore list contains all functions that are only wrapper functions
* Generic XML return
* Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
* of $st and an optional text <message> of $message and terminates the current process.
+ *
+ * @param $st
+ * @param string $message
+ * @throws \Exception
*/
public static function xmlExit($st, $message = '')
{
echo XML::fromArray($xmldata, $xml);
- killme();
+ exit();
}
/**
* @brief Send HTTP status header and exit.
*
- * @param integer $val HTTP status result value
- * @param array $description optional message
- * 'title' => header title
- * 'description' => optional message
+ * @param integer $val HTTP status result value
+ * @param string $message Error message. Optional.
+ * @param string $content Response body. Optional.
+ * @throws \Exception
*/
- public static function httpExit($val, $description = [])
+ public static function httpExit($val, $message = '', $content = '')
{
- $err = '';
- if ($val >= 400) {
- $err = 'Error';
- if (!isset($description["title"])) {
- $description["title"] = $err." ".$val;
- }
- }
-
- if ($val >= 200 && $val < 300) {
- $err = 'OK';
- }
-
Logger::log('http_status_exit ' . $val);
- header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $err);
+ header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $message);
- if (isset($description["title"])) {
- $tpl = Renderer::getMarkupTemplate('http_status.tpl');
- echo Renderer::replaceMacros($tpl, ['$title' => $description["title"],
- '$description' => defaults($description, 'description', '')]);
- }
+ echo $content;
exit();
}
+ public static function jsonError($httpCode, $data, $content_type = 'application/json')
+ {
+ header($_SERVER["SERVER_PROTOCOL"] . ' ' . $httpCode);
+ self::jsonExit($data, $content_type);
+ }
+
/**
* @brief Encodes content to json.
*
* and adds an application/json HTTP header to the output.
* After finishing the process is getting killed.
*
- * @param array $x The input content.
+ * @param mixed $x The input content.
* @param string $content_type Type of the input (Default: 'application/json').
*/
public static function jsonExit($x, $content_type = 'application/json') {
header("Content-type: $content_type");
echo json_encode($x);
- killme();
+ exit();
}
/**
* Generates a random string in the UUID format
*
- * @param bool|string $prefix A given prefix (default is empty)
+ * @param bool|string $prefix A given prefix (default is empty)
* @return string a generated UUID
+ * @throws \Exception
*/
public static function createUUID($prefix = '')
{
$guid = System::createGUID(32, $prefix);
- return substr($guid, 0, 8). '-' . substr($guid, 8, 4) . '-' . substr($guid, 12, 4) . '-' . substr($guid, 16, 4) . '-' . substr($guid, 20, 12);
+ return substr($guid, 0, 8) . '-' . substr($guid, 8, 4) . '-' . substr($guid, 12, 4) . '-' . substr($guid, 16, 4) . '-' . substr($guid, 20, 12);
}
/**
* Generates a GUID with the given parameters
*
- * @param int $size The size of the GUID (default is 16)
- * @param bool|string $prefix A given prefix (default is empty)
+ * @param int $size The size of the GUID (default is 16)
+ * @param bool|string $prefix A given prefix (default is empty)
* @return string a generated GUID
+ * @throws \Exception
*/
public static function createGUID($size = 16, $prefix = '')
{
if (is_bool($prefix) && !$prefix) {
$prefix = '';
} elseif (empty($prefix)) {
- $prefix = hash('crc32', self::getApp()->getHostName());
+ $prefix = hash('crc32', DI::app()->getHostName());
}
while (strlen($prefix) < ($size - 13)) {
}
}
- /**
- * Generates a process identifier for the logging
- *
- * @param string $prefix A given prefix
- *
- * @return string a generated process identifier
- */
- public static function processID($prefix)
- {
- // We aren't calling any other function here.
- // Doing so could easily create an endless loop
- $trailer = $prefix . ':' . getmypid() . ':';
- return substr($trailer . uniqid('') . mt_rand(), 0, 26);
- }
-
/**
* Returns the current Load of the System
*
* Redirects to an external URL (fully qualified URL)
* If you want to route relative to the current Friendica base, use App->internalRedirect()
*
- * @param string $url The new Location to redirect
+ * @param string $url The new Location to redirect
+ * @param int $code The redirection code, which is used (Default is 302)
+ *
* @throws InternalServerErrorException If the URL is not fully qualified
*/
- public static function externalRedirect($url)
+ public static function externalRedirect($url, $code = 302)
{
- if (!filter_var($url, FILTER_VALIDATE_URL)) {
+ if (empty(parse_url($url, PHP_URL_SCHEME))) {
throw new InternalServerErrorException("'$url' is not a fully qualified URL, please use App->internalRedirect() instead");
}
+ switch ($code) {
+ case 302:
+ // this is the default code for a REDIRECT
+ // We don't need a extra header here
+ break;
+ case 301:
+ header('HTTP/1.1 301 Moved Permanently');
+ break;
+ case 307:
+ header('HTTP/1.1 307 Temporary Redirect');
+ break;
+ }
+
header("Location: $url");
exit();
}
+ /**
+ * @brief Returns the system user that is executing the script
+ *
+ * This mostly returns something like "www-data".
+ *
+ * @return string system username
+ */
+ public static function getUser()
+ {
+ if (!function_exists('posix_getpwuid') || !function_exists('posix_geteuid')) {
+ return '';
+ }
+
+ $processUser = posix_getpwuid(posix_geteuid());
+ return $processUser['name'];
+ }
+
+ /**
+ * @brief Checks if a given directory is usable for the system
+ *
+ * @param $directory
+ * @param bool $check_writable
+ *
+ * @return boolean the directory is usable
+ */
+ public static function isDirectoryUsable($directory, $check_writable = true)
+ {
+ if ($directory == '') {
+ Logger::log('Directory is empty. This shouldn\'t happen.', Logger::DEBUG);
+ return false;
+ }
+
+ if (!file_exists($directory)) {
+ Logger::log('Path "' . $directory . '" does not exist for user ' . static::getUser(), Logger::DEBUG);
+ return false;
+ }
+
+ if (is_file($directory)) {
+ Logger::log('Path "' . $directory . '" is a file for user ' . static::getUser(), Logger::DEBUG);
+ return false;
+ }
+
+ if (!is_dir($directory)) {
+ Logger::log('Path "' . $directory . '" is not a directory for user ' . static::getUser(), Logger::DEBUG);
+ return false;
+ }
+
+ if ($check_writable && !is_writable($directory)) {
+ Logger::log('Path "' . $directory . '" is not writable for user ' . static::getUser(), Logger::DEBUG);
+ return false;
+ }
+
+ return true;
+ }
+
/// @todo Move the following functions from boot.php
/*
function killme()
projects / friendica.git / blobdiff