Merge pull request #6381 from MrPetovan/bug/2800-fix-accordion-ios

[friendica.git] / src / Core / System.php

diff --git a/src/Core/System.php b/src/Core/System.php
index 88b89cda27ac60189375854ecca2a103439ff4d2..3bd06bc1919524e48c1c63fb0fdfab3244caa578 100644 (file)
--- a/src/Core/System.php
+++ b/src/Core/System.php
@@ -5,6 +5,9 @@
 namespace Friendica\Core;
 
 use Friendica\BaseObject;
+use Friendica\Core\Logger;
+use Friendica\Core\Renderer;
+use Friendica\Network\HTTPException\InternalServerErrorException;
 use Friendica\Util\XML;
 
 /**
@@ -27,7 +30,7 @@ class System extends BaseObject
         */
        public static function baseUrl($ssl = false)
        {
-               return self::getApp()->get_baseurl($ssl);
+               return self::getApp()->getBaseURL($ssl);
        }
 
        /**
@@ -39,7 +42,7 @@ class System extends BaseObject
         */
        public static function removedBaseUrl($orig_url)
        {
-               return self::getApp()->remove_baseurl($orig_url);
+               return self::getApp()->removeBaseURL($orig_url);
        }
 
        /**
@@ -99,7 +102,7 @@ class System extends BaseObject
                }
 
                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");
@@ -123,9 +126,33 @@ class System extends BaseObject
        {
                $err = '';
                if ($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];
+                               }
                        }
                }
 
@@ -133,16 +160,16 @@ class System extends BaseObject
                        $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', '')]);
                }
 
-               killme();
+               exit();
        }
 
        /**
@@ -161,6 +188,18 @@ class System extends BaseObject
                killme();
        }
 
+       /**
+        * Generates a random string in the UUID format
+        *
+        * @param bool|string  $prefix   A given prefix (default is empty)
+        * @return string a generated UUID
+        */
+       public static function createUUID($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);
+       }
+
        /**
         * Generates a GUID with the given parameters
         *
@@ -173,7 +212,7 @@ class System extends BaseObject
                if (is_bool($prefix) && !$prefix) {
                        $prefix = '';
                } elseif (empty($prefix)) {
-                       $prefix = hash('crc32', self::getApp()->get_hostname());
+                       $prefix = hash('crc32', self::getApp()->getHostName());
                }
 
                while (strlen($prefix) < ($size - 13)) {
@@ -204,22 +243,56 @@ class System extends BaseObject
                return substr($trailer . uniqid('') . mt_rand(), 0, 26);
        }
 
+       /**
+        * Returns the current Load of the System
+        *
+        * @return integer
+        */
+       public static function currentLoad()
+       {
+               if (!function_exists('sys_getloadavg')) {
+                       return false;
+               }
+
+               $load_arr = sys_getloadavg();
+
+               if (!is_array($load_arr)) {
+                       return false;
+               }
+
+               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: $url");
+               exit();
+       }
+
        /// @todo Move the following functions from boot.php
        /*
        function killme()
-       function goaway($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)
        function get_itemcachepath()
        function get_spoolpath()
-       function current_load()
        */
 }