<?php
+/**
+ * @file src/Core/System.php
+ */
namespace Friendica\Core;
-use Friendica\App;
+use Friendica\BaseObject;
+use Friendica\Util\XML;
/**
* @file include/Core/System.php
/**
* @brief System methods
*/
-class System {
-
- private static $a;
-
- /**
- * @brief Initializes the static class variable
- */
- private static function init() {
- global $a;
-
- if (!is_object(self::$a)) {
- self::$a = $a;
- }
- }
-
+class System extends BaseObject
+{
/**
* @brief Retrieves the Friendica instance base URL
*
* @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
* @return string Friendica server base URL
*/
- public static function baseUrl($ssl = false) {
- self::init();
- return self::$a->get_baseurl($ssl);
+ public static function baseUrl($ssl = false)
+ {
+ return self::getApp()->get_baseurl($ssl);
}
/**
* @brief Removes the baseurl from an url. This avoids some mixed content problems.
*
- * @param string $orig_url
+ * @param string $orig_url The url to be cleaned
*
* @return string The cleaned url
*/
- public static function removedBaseUrl($orig_url) {
- self::init();
- return self::$a->remove_baseurl($orig_url);
+ public static function removedBaseUrl($orig_url)
+ {
+ return self::getApp()->remove_baseurl($orig_url);
}
/**
* @brief Returns a string with a callstack. Can be used for logging.
- *
+ * @param integer $depth optional, default 4
* @return string
*/
- public static function callstack($depth = 4) {
+ public static function callstack($depth = 4)
+ {
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// We remove the first two items from the list since they contain data that we don't need.
array_shift($trace);
array_shift($trace);
- $callstack = array();
+ $callstack = [];
$counter = 0;
- $previous = array('class' => '', 'function' => '');
+ $previous = ['class' => '', 'function' => ''];
// The ignore list contains all functions that are only wrapper functions
- $ignore = array('get_config', 'get_pconfig', 'set_config', 'set_pconfig', 'fetch_url', 'probe_url');
+ $ignore = ['fetchUrl', 'call_user_func_array'];
while ($func = array_pop($trace)) {
if (!empty($func['class'])) {
- // Don't show multiple calls from the same function (mostly used for "dba" class)
- if (($previous['class'] != $func['class']) && ($previous['function'] != 'q')) {
+ // Don't show multiple calls from the "dba" class to show the essential parts of the callstack
+ if ((($previous['class'] != $func['class']) || ($func['class'] != 'dba')) && ($previous['function'] != 'q')) {
$classparts = explode("\\", $func['class']);
$callstack[] = array_pop($classparts).'::'.$func['function'];
$previous = $func;
}
}
- $callstack2 = array();
+ $callstack2 = [];
while ((count($callstack2) < $depth) && (count($callstack) > 0)) {
$callstack2[] = array_pop($callstack);
}
return implode(', ', $callstack2);
}
+ /**
+ * @brief Called from db initialisation when db is dead.
+ */
+ static public function unavailable() {
+echo <<< EOT
+<html>
+ <head><title>System Unavailable</title></head>
+ <body>Apologies but this site is unavailable at the moment. Please try again later.</body>
+</html>
+EOT;
+
+ killme();
+ }
+
+ /**
+ * Generic XML return
+ * Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
+ * of $st and an optional text <message> of $message and terminates the current process.
+ */
+ public static function xmlExit($st, $message = '')
+ {
+ $result = ['status' => $st];
+
+ if ($message != '') {
+ $result['message'] = $message;
+ }
+
+ if ($st) {
+ logger('xml_status returning non_zero: ' . $st . " message=" . $message);
+ }
+
+ header("Content-type: text/xml");
+
+ $xmldata = ["result" => $result];
+
+ echo XML::fromArray($xmldata, $xml);
+
+ killme();
+ }
+
+ /**
+ * @brief Send HTTP status header and exit.
+ *
+ * @param integer $val HTTP status result value
+ * @param array $description optional message
+ * 'title' => header title
+ * 'description' => optional message
+ */
+ public static function httpExit($val, $description = [])
+ {
+ $err = '';
+ if ($val >= 400) {
+ $err = 'Error';
+ if (!isset($description["title"])) {
+ $description["title"] = $err." ".$val;
+ }
+ }
+
+ if ($val >= 200 && $val < 300) {
+ $err = 'OK';
+ }
+
+ logger('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' => $description["title"],
+ '$description' => $description["description"]]
+ );
+ }
+
+ killme();
+ }
+
+ /**
+ * @brief Encodes content to json
+ *
+ * This function encodes an array to json format
+ * and adds an application/json HTTP header to the output.
+ * After finishing the process is getting killed.
+ *
+ * @param array $x The input content
+ */
+ public static function jsonExit($x)
+ {
+ header("content-type: application/json");
+ echo json_encode($x);
+ killme();
+ }
+
/// @todo Move the following functions from boot.php
/*
function get_guid($size = 16, $prefix = "")
projects / friendica.git / blobdiff