punbb/include/common.php
changeset 0 f9ffdbd96607
child 2 a8a21e1c7afa
equal deleted inserted replaced
-1:000000000000 0:f9ffdbd96607
       
     1 <?php
       
     2 /***********************************************************************
       
     3 
       
     4   Copyright (C) 2002-2005  Rickard Andersson (rickard@punbb.org)
       
     5 
       
     6   This file is part of PunBB.
       
     7 
       
     8   PunBB is free software; you can redistribute it and/or modify it
       
     9   under the terms of the GNU General Public License as published
       
    10   by the Free Software Foundation; either version 2 of the License,
       
    11   or (at your option) any later version.
       
    12 
       
    13   PunBB is distributed in the hope that it will be useful, but
       
    14   WITHOUT ANY WARRANTY; without even the implied warranty of
       
    15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    16   GNU General Public License for more details.
       
    17 
       
    18   You should have received a copy of the GNU General Public License
       
    19   along with this program; if not, write to the Free Software
       
    20   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
       
    21   MA  02111-1307  USA
       
    22 
       
    23 ************************************************************************/
       
    24 
       
    25 // Enable DEBUG mode by removing // from the following line
       
    26 //define('PUN_DEBUG', 1);
       
    27 
       
    28 // This displays all executed queries in the page footer.
       
    29 // DO NOT enable this in a production environment!
       
    30 //define('PUN_SHOW_QUERIES', 1);
       
    31 
       
    32 if (!defined('PUN_ROOT'))
       
    33 	exit('The constant PUN_ROOT must be defined and point to a valid PunBB installation root directory.');
       
    34 
       
    35 
       
    36 // Load the functions script
       
    37 require PUN_ROOT.'include/functions.php';
       
    38 
       
    39 // Reverse the effect of register_globals
       
    40 unregister_globals();
       
    41 
       
    42 
       
    43 @include PUN_ROOT.'config.php';
       
    44 
       
    45 // If PUN isn't defined, config.php is missing or corrupt
       
    46 if (!defined('PUN'))
       
    47 	exit('The file \'config.php\' doesn\'t exist or is corrupt. Please run <a href="install.php">install.php</a> to install PunBB first.');
       
    48 
       
    49 
       
    50 // Record the start time (will be used to calculate the generation time for the page)
       
    51 list($usec, $sec) = explode(' ', microtime());
       
    52 $pun_start = ((float)$usec + (float)$sec);
       
    53 
       
    54 // Make sure PHP reports all errors except E_NOTICE. PunBB supports E_ALL, but a lot of scripts it may interact with, do not.
       
    55 error_reporting(E_ALL ^ E_NOTICE);
       
    56 
       
    57 // Turn off magic_quotes_runtime
       
    58 set_magic_quotes_runtime(0);
       
    59 
       
    60 // Strip slashes from GET/POST/COOKIE (if magic_quotes_gpc is enabled)
       
    61 if (get_magic_quotes_gpc())
       
    62 {
       
    63 	function stripslashes_array($array)
       
    64 	{
       
    65 		return is_array($array) ? array_map('stripslashes_array', $array) : stripslashes($array);
       
    66 	}
       
    67 
       
    68 	$_GET = stripslashes_array($_GET);
       
    69 	$_POST = stripslashes_array($_POST);
       
    70 	$_COOKIE = stripslashes_array($_COOKIE);
       
    71 }
       
    72 
       
    73 // Seed the random number generator
       
    74 mt_srand((double)microtime()*1000000);
       
    75 
       
    76 // If a cookie name is not specified in config.php, we use the default (punbb_cookie)
       
    77 if (empty($cookie_name))
       
    78 	$cookie_name = 'punbb_cookie';
       
    79 
       
    80 // Define a few commonly used constants
       
    81 define('PUN_UNVERIFIED', 32000);
       
    82 define('PUN_ADMIN', 1);
       
    83 define('PUN_MOD', 2);
       
    84 define('PUN_GUEST', 3);
       
    85 define('PUN_MEMBER', 4);
       
    86 
       
    87 
       
    88 // Load DB abstraction layer and connect
       
    89 require PUN_ROOT.'include/dblayer/common_db.php';
       
    90 
       
    91 // Start a transaction
       
    92 $db->start_transaction();
       
    93 
       
    94 // Load cached config
       
    95 @include PUN_ROOT.'cache/cache_config.php';
       
    96 if (!defined('PUN_CONFIG_LOADED'))
       
    97 {
       
    98 	require PUN_ROOT.'include/cache.php';
       
    99 	generate_config_cache();
       
   100 	require PUN_ROOT.'cache/cache_config.php';
       
   101 }
       
   102 
       
   103 
       
   104 // Enable output buffering
       
   105 if (!defined('PUN_DISABLE_BUFFERING'))
       
   106 {
       
   107 	// For some very odd reason, "Norton Internet Security" unsets this
       
   108 	$_SERVER['HTTP_ACCEPT_ENCODING'] = isset($_SERVER['HTTP_ACCEPT_ENCODING']) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : '';
       
   109 
       
   110 	// Should we use gzip output compression?
       
   111 	if ($pun_config['o_gzip'] && extension_loaded('zlib') && (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false || strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') !== false))
       
   112 		ob_start('ob_gzhandler');
       
   113 	else
       
   114 		ob_start();
       
   115 }
       
   116 
       
   117 
       
   118 // Check/update/set cookie and fetch user info
       
   119 $pun_user = array();
       
   120 check_cookie($pun_user);
       
   121 
       
   122 // Attempt to load the common language file
       
   123 @include PUN_ROOT.'lang/'.$pun_user['language'].'/common.php';
       
   124 if (!isset($lang_common))
       
   125 	exit('There is no valid language pack \''.pun_htmlspecialchars($pun_user['language']).'\' installed. Please reinstall a language of that name.');
       
   126 
       
   127 // Check if we are to display a maintenance message
       
   128 if ($pun_config['o_maintenance'] && $pun_user['g_id'] > PUN_ADMIN && !defined('PUN_TURN_OFF_MAINT'))
       
   129 	maintenance_message();
       
   130 
       
   131 
       
   132 // Load cached bans
       
   133 @include PUN_ROOT.'cache/cache_bans.php';
       
   134 if (!defined('PUN_BANS_LOADED'))
       
   135 {
       
   136 	require_once PUN_ROOT.'include/cache.php';
       
   137 	generate_bans_cache();
       
   138 	require PUN_ROOT.'cache/cache_bans.php';
       
   139 }
       
   140 
       
   141 // Check if current user is banned
       
   142 check_bans();
       
   143 
       
   144 
       
   145 // Update online list
       
   146 update_users_online();
       
   147