Merge branch 'main' into issue-3911issue-3911

1 files changed, 0 insertions, 285 deletions

diff --git a/lib/classes/SessionDecoder.class.php b/lib/classes/SessionDecoder.class.php
deleted file mode 100644
index 8c0bc6b..0000000
--- a/lib/classes/SessionDecoder.class.php
+++ /dev/null
@@ -1,285 +0,0 @@
-<?php
-# Lifter007: TODO
-# Lifter003: TODO
-# Lifter010: TODO
-/**
- * SessionDecoder.class.php
- *
- * decodes serialized PHP session data
- *
- * @author      André Noack <noack@data-quest>, Suchi & Berg GmbH <info@data-quest.de>
- * @access      public
- * @package     core
- */
-// +---------------------------------------------------------------------------+
-// This file is part of Stud.IP
-// SessionDecoder.class.php
-//
-// Copyright (C) 2008 André Noack <noack@data-quest>, data-quest GmbH <info@data-quest.de>
-// +---------------------------------------------------------------------------+
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or any later version.
-// +---------------------------------------------------------------------------+
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-// +---------------------------------------------------------------------------+
-
-class SessionDecoder implements ArrayAccess, Countable, Iterator {
-
-    private $encoded_session = [];
-    private $decoded_session = [];
-    private $var_names = [];
-
-    /**
-     * Usage:
-     * Pass the string containing encoded session data to the
-     * constructor, the identified session variables become public members
-     * of the object
-     *
-     * $session = new SessionDecoder($encoded_session_string);
-     * print_r($session->my_var);
-     * or
-     * print_r($session['my_var']);
-     * get the names of identified variables
-     * print_r($session->keys());
-     *
-     * @param string $encoded_session_string
-     */
-    public function __construct($encoded_session_string) {
-        $this->decode($encoded_session_string);
-    }
-
-    /**
-     * pass an encoded session string to fill the object
-     *
-     * @param string $encoded_session_string
-     * @return int number of identified variables
-     */
-    public function decode($encoded_session_string){
-        $this->encoded_session = $this->sessionRealDecode($encoded_session_string);
-        if(is_array($this->encoded_session)) {
-            $this->var_names = array_keys($this->encoded_session);
-        } else {
-            $this->encoded_session = [];
-        }
-        $this->decoded_session = [];
-
-        return count($this->encoded_session);
-    }
-
-    /**
-     * returns an array containing the names of the identified variables
-     *
-     * @return array names of identified variables
-     */
-    public function keys() {
-        return $this->var_names;
-    }
-
-    /**
-     * @todo Add void return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function rewind()
-    {
-        reset($this->var_names);
-    }
-
-    /**
-     * @todo Add mixed return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function current()
-    {
-        $current = current($this->var_names);
-        return $current !== false ? $this->offsetGet($current) : false;
-    }
-
-    /**
-     * @todo Add mixed return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function key()
-    {
-        return current($this->var_names);
-    }
-
-    /**
-     * @todo Add void return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function next()
-    {
-        next($this->var_names);
-    }
-
-    /**
-     * @todo Add bool return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function valid()
-    {
-        $current = current($this->var_names);
-        return $current !== false;
-    }
-
-    /**
-     * @todo Add bool return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function offsetExists($offset)
-    {
-        return isset($this->encoded_session[$offset]);
-    }
-
-    /**
-     * @param $offset
-     * @return mixed|null
-     * @todo Add mixed return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function offsetGet($offset)
-    {
-        if($this->offsetExists($offset) && !isset($this->decoded_session[$offset])) {
-            $this->decoded_session[$offset] = unserialize($this->encoded_session[$offset]);
-        }
-        return $this->decoded_session[$offset] ?? null;
-    }
-
-    /**
-     * @todo Add void return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function offsetSet($offset, $value)
-    {
-    }
-
-    /**
-     * @todo Add void return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function offsetUnset($offset)
-    {
-    }
-
-    /**
-     * @todo Add int return type when Stud.IP requires PHP8 minimal
-     */
-    #[ReturnTypeWillChange]
-    public function count()
-    {
-        return count($this->var_names);
-    }
-
-    public function __get($name){
-        return $this->offsetGet($name);
-    }
-
-    public function __isset($name){
-        return $this->offsetExists($name);
-    }
-
-    /**
-     * a function that returns decoded session data,
-     * that seems to work in every cases,
-     * even when strings contain reserved chars
-     * (c) bmorel at ssi dot fr
-     * http://www.php.net/manual/en/function.session-decode.php#56106
-     *
-     * @param string $str
-     * @return array
-     */
-    private function sessionRealDecode($str) {
-        $ret = [];
-        $PS_DELIMITER = '|';
-        $PS_UNDEF_MARKER = '!';
-        $str = (string)$str;
-
-        $endptr = strlen($str);
-        $p = 0;
-
-        $items = 0;
-        $level = 0;
-
-        while ($p < $endptr) {
-            $q = $p;
-            while ($str[$q] != $PS_DELIMITER)
-            if (++$q >= $endptr) break 2;
-
-            if ($str[$p] == $PS_UNDEF_MARKER) {
-                $p++;
-                $has_value = false;
-            } else {
-                $has_value = true;
-            }
-
-            $name = substr($str, $p, $q - $p);
-            $q++;
-
-            $serialized = '';
-            if ($has_value) {
-                for (;;) {
-                    $p = $q;
-                    switch ($str[$q]) {
-                        case 'N': /* null */
-                        case 'b': /* boolean */
-                        case 'i': /* integer */
-                        case 'd': /* decimal */
-                            do $q++;
-                            while ( ($q < $endptr) && ($str[$q] != ';') );
-                            $q++;
-                            $serialized .= substr($str, $p, $q - $p);
-                            if ($level == 0) break 2;
-                            break;
-                        case 'R': /* reference  */
-                            $q+= 2;
-                            for ($id = ''; ($q < $endptr) && ($str[$q] != ';'); $q++) $id .= $str[$q];
-                            $q++;
-                            //$serialized .= 'R:' . ($id + 1) . ';'; /* increment pointer because of outer array */
-                            $serialized .= 'N;'; /* unserializing references is not possible*/
-                            if ($level == 0) break 2;
-                            break;
-                        case 's': /* string */
-                            $q+=2;
-                            for ($length=''; ($q < $endptr) && ($str[$q] != ':'); $q++) $length .= $str[$q];
-                            $q+=2;
-                            $q+= (int)$length + 2;
-                            $serialized .= substr($str, $p, $q - $p);
-                            if ($level == 0) break 2;
-                            break;
-                        case 'a': /* array */
-                        case 'O': /* object */
-                            do $q++;
-                            while ( ($q < $endptr) && ($str[$q] != '{') );
-                            $q++;
-                            $level++;
-                            $serialized .= substr($str, $p, $q - $p);
-                            break;
-                        case '}': /* end of array|object */
-                            $q++;
-                            $serialized .= substr($str, $p, $q - $p);
-                            if (--$level == 0) break 2;
-                            break;
-                        default:
-                            return false;
-                    }
-                }
-            } else {
-                $serialized .= 'N;';
-                $q+= 2;
-            }
-            $items++;
-            $p = $q;
-            $ret[$name] = $serialized;
-        }
-        return $ret;
-    }
-}
-?>