+++ /dev/null
-<?php
-/************************************************************************
- * MXChange v0.2.1 Start: 10/11/2003 *
- * =============== Last change: 10/11/2003 *
- * *
- * -------------------------------------------------------------------- *
- * File : admins_functions.php *
- * -------------------------------------------------------------------- *
- * Short description : Functions for the admins extension *
- * -------------------------------------------------------------------- *
- * Kurzbeschreibung : Funktionen fuer die admins-Erweiterung *
- * -------------------------------------------------------------------- *
- * *
- * -------------------------------------------------------------------- *
- * Copyright (c) 2003 - 2008 by Roland Haeder *
- * For more information visit: http://www.mxchange.org *
- * *
- * 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 *
- * (at your option) 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., 51 Franklin St, Fifth Floor, Boston, *
- * MA 02110-1301 USA *
- ************************************************************************/
-
-// Some security stuff...
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
- require($INC);
-}
-// Caching class
-class mxchange_cache
-{
- // Define variables
- var $update_interval = 0;
- var $ret = "init";
- var $cache_path = "";
- var $cache_inc = "";
- var $cache_ctime = 0;
- var $cache_pointer = false;
-
- // Constructor
- function mxchange_cache($interval, $path, $tested)
- {
- // Remember interval in class
- $this->update_interval=$interval;
-
- // Remeber path
- $this->cache_path=$path;
-
- // Check if path exists
- if ((file_exists($path)) && (is_dir($path)) && (!$tested))
- {
- // Check if we can create a file inside the path
- @touch($path."dummy.tmp", 'w');
- if (file_exists($path."dummy.tmp"))
- {
- // Yes, we can do. So let's remove it
- unlink($path."dummy.tmp");
-
- // Is there a .htaccess file?
- if (file_exists($path.".htaccess"))
- {
- // Update database that we have tested it
- $result = SQL_QUERY("UPDATE "._MYSQL_PREFIX."_config SET cache_tested='1' WHERE config='0' LIMIT 1", __FILE__, __LINE__);
- $this->ret="done";
-
- // All done!
- return "done";
- }
- else
- {
- // Stop! Set a .htaccess file first
- $this->ret="htaccess";
- return "htaccess";
- }
- }
- }
- elseif ($tested)
- {
- // System already tested
- $this->ret="done";
- return "done";
- }
-
- // Something goes wrong here!
- $this->ret="failed";
- return "failed";
- }
-
- function cache_file($file, $ignore_ctime=false)
- {
- global $INC;
- // Construct FQFN (full qualified file name)
- $inc = $this->cache_path.$file.".cache";
-
- // Rember it + filename in class
- $this->cache_inc = $inc;
-
- // Check if file exists
- $status = (file_exists($inc) && (is_readable($inc)) && (is_writeable($inc)));
- if ($status)
- {
- // Yes, it does. So let's get it's last changed date/time
- $ctime = filectime($inc);
- }
- else
- {
- // No, it doesn't. Zero date/time
- $ctime = "0";
- }
-
- // Remember change date/time in class
- $this->cache_ctime = $ctime;
-
- // Is the cache file outdated?
- if (((time() - $ctime) >= $this->update_interval) && (!$ignore_ctime))
- {
- // Ok, we need an update!
- $status = false;
- }
- return $status;
- }
-
- function cache_init($array)
- {
- // This will destory an existing cache file!
- if ($this->ret == "done")
- {
- // Create file
- if (file_exists($this->cache_inc)) @chmod($this->cache_inc, 0666);
- $fp = @fopen($this->cache_inc, 'w') or mxchange_die("Cannot write to cache ".$this->cache_inc." !");
-
- // Begin of cache file
- fwrite($fp, "\$ARRAY = \"".$array."\";\n\n");
-
- // Remember file pointer
- $this->cache_pointer = $fp;
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function add_row($data)
- {
- if ($this->cache_pointer)
- {
- // Write every array element to cache file
- foreach ($data as $k=>$v)
- {
- @fwrite($this->cache_pointer, "\$CACHE['".$k."'][] = \"".$v."\";\n");
- }
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_close()
- {
- // Quit function when no pointer is set
- if (empty($this->cache_pointer)) return;
- if ($this->cache_pointer)
- {
- // Close file add destroy handler
- @fclose($this->cache_pointer);
-
- // Set rights
- if (file_exists($this->cache_inc)) @chmod($this->cache_inc, 0666);
-
- // Remove pointer
- unset($this->cache_pointer);
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_load()
- {
- if ((file_exists($this->cache_inc)) && (is_readable($this->cache_inc)))
- {
- // Prepare temporay array
- $CACHE = array();
- // Load cache file
- $cache = implode("", file($this->cache_inc));
- // Execute cache file
- eval($cache);
- if (is_array($CACHE))
- {
- return $CACHE;
- }
- else
- {
- // Cache problem detected!
- $this->cache_destroy();
- }
- }
- else
- {
- // Cache file not found or not readable
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->cache_inc.CACHE_CANNOT_LOAD_2);
- }
- }
-
- function cache_destroy()
- {
- if (file_exists($this->cache_inc))
- {
- // Remove cache file from system
- @unlink($this->cache_inc);
- if (!file_exists($this->cache_inc))
- {
- // Close cache automatically (we don't need it anymore!)
- $this->cache_close();
- }
- else
- {
- // Not removed!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- }
- else
- {
- // Does not exist!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- }
-
- function cache_remove($search, $data, $array)
- {
- global $ARRAY;
- if ((file_exists($this->cache_inc)) && (is_writeable($this->cache_inc)))
- {
- // Load cache into dummy array
- $DUMMY = $this->cache_load();
-
- // Search for key in array
- $key = array_search($data, $DUMMY[$search]);
- if (!empty($key))
- {
- // Key (hopefully) found?
- foreach ($array as $a)
- {
- // So we can remove all elements as requested
- unset($DUMMY[$a][$key]);
- }
-
- // Flush array to cache file
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$ARRAY = \"".$ARRAY."\";\n");
- foreach ($DUMMY as $k=>$v)
- {
- if (is_array($v))
- {
- // Multi line(s) found
- $LINE = "";
- foreach($v as $k2=>$v2)
- {
- // Put every array element in a row...
- $LINE .= "\$CACHE['".$k."'][] = \"".$v2."\";\n";
- }
- }
- else
- {
- // Single line found
- $LINE = "\$CACHE['".$k."'] = \"".$v."\";\n";
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- }
- else
- {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_replace($search, $replace, $search_key, $array)
- {
- global $ARRAY;
- if ((file_exists($this->cache_inc)) && (is_writeable($this->cache_inc)))
- {
- // Load cache into dummy array
- $DUMMY = $this->cache_load();
-
- // Check if $DUMMY is valid (prevents some errors)
- if ((is_array($DUMMY)) && (is_array($DUMMY[$search])))
- {
- // Search for key in array
- $key_found = array_key_exists($search_key, $DUMMY[$search]);
- if ($key_found == true)
- {
- $key = $search_key;
- // Key (hopefully) found?
- foreach ($DUMMY as $a=>$v)
- {
- // So we can update all entries
- if ($a == $search)
- {
- // Update now...
- $DUMMY[$a][$search_key] = $replace;
- }
- }
-
- // Flush array to cache file
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$DUMMY = \"".$ARRAY."\";\n");
- foreach ($DUMMY as $k=>$v)
- {
- if (is_array($v))
- {
- // Multi line(s) found
- $LINE = "";
- foreach($v as $k2=>$v2)
- {
- // Put every array element in a row...
- $LINE .= "\$CACHE['".$k."'][] = \"".$v2."\";\n";
- }
- }
- else
- {
- // Single line found
- $LINE = "\$CACHE['".$k."'] = \"".$v."\";\n";
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- }
- }
- else
- {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-}
-//
-?>
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