namespace Friendica\Core;
use Friendica\BaseObject;
+use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\XML;
/**
*
* @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
* @return string Friendica server base URL
+ * @throws InternalServerErrorException
*/
public static function baseUrl($ssl = false)
{
* @param string $orig_url The url to be cleaned
*
* @return string The cleaned url
+ * @throws \Exception
*/
public static function removedBaseUrl($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, $message = '')
{
}
if ($st) {
- logger('xml_status returning non_zero: ' . $st . " message=" . $message);
+ Logger::log('xml_status returning non_zero: ' . $st . " message=" . $message);
}
header("Content-type: text/xml");
echo XML::fromArray($xmldata, $xml);
- killme();
+ exit();
}
/**
* @param array $description optional message
* 'title' => header title
* 'description' => optional message
+ * @throws InternalServerErrorException
*/
public static function httpExit($val, $description = [])
{
$err = '';
if ($val >= 400) {
- $err = 'Error';
- if (!isset($description["title"])) {
- $description["title"] = $err." ".$val;
+ if (!empty($description['title'])) {
+ $err = $description['title'];
+ } else {
+ $title = [
+ '400' => L10n::t('Error 400 - Bad Request'),
+ '401' => L10n::t('Error 401 - Unauthorized'),
+ '403' => L10n::t('Error 403 - Forbidden'),
+ '404' => L10n::t('Error 404 - Not Found'),
+ '500' => L10n::t('Error 500 - Internal Server Error'),
+ '503' => L10n::t('Error 503 - Service Unavailable'),
+ ];
+ $err = defaults($title, $val, 'Error ' . $val);
+ $description['title'] = $err;
+ }
+ if (empty($description['description'])) {
+ // Explanations are taken from https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
+ $explanation = [
+ '400' => L10n::t('The server cannot or will not process the request due to an apparent client error.'),
+ '401' => L10n::t('Authentication is required and has failed or has not yet been provided.'),
+ '403' => L10n::t('The request was valid, but the server is refusing action. The user might not have the necessary permissions for a resource, or may need an account.'),
+ '404' => L10n::t('The requested resource could not be found but may be available in the future.'),
+ '500' => L10n::t('An unexpected condition was encountered and no more specific message is suitable.'),
+ '503' => L10n::t('The server is currently unavailable (because it is overloaded or down for maintenance). Please try again later.'),
+ ];
+ if (!empty($explanation[$val])) {
+ $description['description'] = $explanation[$val];
+ }
}
}
$err = 'OK';
}
- logger('http_status_exit ' . $val);
+ Logger::log('http_status_exit ' . $val);
header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $err);
if (isset($description["title"])) {
- $tpl = get_markup_template('http_status.tpl');
- echo replace_macros($tpl, ['$title' => $description["title"],
+ $tpl = Renderer::getMarkupTemplate('http_status.tpl');
+ echo Renderer::replaceMacros($tpl, ['$title' => $description["title"],
'$description' => defaults($description, 'description', '')]);
}
public static function jsonExit($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, $prefix = '')
{
return max($load_arr[0], $load_arr[1]);
}
+ /**
+ * Redirects to an external URL (fully qualified URL)
+ * If you want to route relative to the current Friendica base, use App->internalRedirect()
+ *
+ * @param string $url The new Location to redirect
+ * @throws InternalServerErrorException If the URL is not fully qualified
+ */
+ public static function externalRedirect($url)
+ {
+ if (empty(parse_url($url, PHP_URL_SCHEME))) {
+ throw new InternalServerErrorException("'$url' is not a fully qualified URL, please use App->internalRedirect() instead");
+ }
+
+ 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 "' . $directory . '" is not writable for user ' . static::getUser(), Logger::DEBUG);
+ return false;
+ }
+
+ return true;
+ }
+
/// @todo Move the following functions from boot.php
/*
function killme()
- function goaway($s)
function local_user()
function public_contact()
function remote_user()
function notice($s)
function info($s)
function is_site_admin()
- function random_digits($digits)
function get_server()
function get_temppath()
function get_cachefile($file, $writemode = true)