$value)
if (is_numeric($key))
unset($_COOKIE[$key]);
// Get the correct query string. It may be in an environment variable...
if (!isset($_SERVER['QUERY_STRING']))
$_SERVER['QUERY_STRING'] = getenv('QUERY_STRING');
// It seems that sticking a URL after the query string is mighty common, well, it's evil - don't.
if (strpos($_SERVER['QUERY_STRING'], 'http') === 0)
{
header('HTTP/1.1 400 Bad Request');
die;
}
// Are we going to need to parse the ; out?
if ((strpos(@ini_get('arg_separator.input'), ';') === false || @version_compare(PHP_VERSION, '4.2.0') == -1) && !empty($_SERVER['QUERY_STRING']))
{
// Get rid of the old one! You don't know where it's been!
$_GET = array();
// Was this redirected? If so, get the REDIRECT_QUERY_STRING.
// Do not urldecode() the querystring, unless you so much wish to break OpenID implementation. :)
$_SERVER['QUERY_STRING'] = substr($_SERVER['QUERY_STRING'], 0, 5) === 'url=/' ? $_SERVER['REDIRECT_QUERY_STRING'] : $_SERVER['QUERY_STRING'];
// Replace ';' with '&' and '&something&' with '&something=&'. (this is done for compatibility...)
// !!! smflib
parse_str(preg_replace('/&(\w+)(?=&|$)/', '&$1=', strtr($_SERVER['QUERY_STRING'], array(';?' => '&', ';' => '&', '%00' => '', "\0" => ''))), $_GET);
// Magic quotes still applies with parse_str - so clean it up.
if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc() != 0 && empty($modSettings['integrate_magic_quotes']))
$_GET = $removeMagicQuoteFunction($_GET);
}
elseif (strpos(@ini_get('arg_separator.input'), ';') !== false)
{
if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc() != 0 && empty($modSettings['integrate_magic_quotes']))
$_GET = $removeMagicQuoteFunction($_GET);
// Search engines will send action=profile%3Bu=1, which confuses PHP.
foreach ($_GET as $k => $v)
{
if (is_string($v) && strpos($k, ';') !== false)
{
$temp = explode(';', $v);
$_GET[$k] = $temp[0];
for ($i = 1, $n = count($temp); $i < $n; $i++)
{
@list ($key, $val) = @explode('=', $temp[$i], 2);
if (!isset($_GET[$key]))
$_GET[$key] = $val;
}
}
// This helps a lot with integration!
if (strpos($k, '?') === 0)
{
$_GET[substr($k, 1)] = $v;
unset($_GET[$k]);
}
}
}
// There's no query string, but there is a URL... try to get the data from there.
if (!empty($_SERVER['REQUEST_URI']))
{
// Remove the .html, assuming there is one.
if (substr($_SERVER['REQUEST_URI'], strrpos($_SERVER['REQUEST_URI'], '.'), 4) == '.htm')
$request = substr($_SERVER['REQUEST_URI'], 0, strrpos($_SERVER['REQUEST_URI'], '.'));
else
$request = $_SERVER['REQUEST_URI'];
// !!! smflib.
// Replace 'index.php/a,b,c/d/e,f' with 'a=b,c&d=&e=f' and parse it into $_GET.
if (strpos($request, basename($scripturl) . '/') !== false)
{
parse_str(substr(preg_replace('/&(\w+)(?=&|$)/', '&$1=', strtr(preg_replace('~/([^,/]+),~', '/$1=', substr($request, strpos($request, basename($scripturl)) + strlen(basename($scripturl)))), '/', '&')), 1), $temp);
if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc() != 0 && empty($modSettings['integrate_magic_quotes']))
$temp = $removeMagicQuoteFunction($temp);
$_GET += $temp;
}
}
// If magic quotes is on we have some work...
if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc() != 0)
{
$_ENV = $removeMagicQuoteFunction($_ENV);
$_POST = $removeMagicQuoteFunction($_POST);
$_COOKIE = $removeMagicQuoteFunction($_COOKIE);
foreach ($_FILES as $k => $dummy)
if (isset($_FILES[$k]['name']))
$_FILES[$k]['name'] = $removeMagicQuoteFunction($_FILES[$k]['name']);
}
// Add entities to GET. This is kinda like the slashes on everything else.
$_GET = htmlspecialchars__recursive($_GET);
// Let's not depend on the ini settings... why even have COOKIE in there, anyway?
$_REQUEST = $_POST + $_GET;
// Make sure $board and $topic are numbers.
if (isset($_REQUEST['board']))
{
// Make sure its a string and not something else like an array
$_REQUEST['board'] = (string) $_REQUEST['board'];
// If there's a slash in it, we've got a start value! (old, compatible links.)
if (strpos($_REQUEST['board'], '/') !== false)
list ($_REQUEST['board'], $_REQUEST['start']) = explode('/', $_REQUEST['board']);
// Same idea, but dots. This is the currently used format - ?board=1.0...
elseif (strpos($_REQUEST['board'], '.') !== false)
list ($_REQUEST['board'], $_REQUEST['start']) = explode('.', $_REQUEST['board']);
// Now make absolutely sure it's a number.
// Check for pretty board URLs too, and possibly redirect if oldschool queries were used.
$_REQUEST['board'] = str_replace(array(''', '\\'), array("\x12", ''), $_REQUEST['board']);
$context['pretty']['query_string']['board'] = $_REQUEST['board'];
if (is_numeric($_REQUEST['board']))
{
$board = (int) $_REQUEST['board'];
if (!isset($_REQUEST['pretty']))
$context['pretty']['oldschoolquery'] = true;
} else {
$pretty_board_lookup = unserialize($modSettings['pretty_board_lookup']);
$board = (int) isset($pretty_board_lookup[$_REQUEST['board']]) ? $pretty_board_lookup[$_REQUEST['board']] : 0;
// Fix $_REQUEST for silly mods that don't check $board
$_REQUEST['board'] = $board;
}
$_REQUEST['start'] = isset($_REQUEST['start']) ? (int) $_REQUEST['start'] : 0;
// This is for "Who's Online" because it might come via POST - and it should be an int here.
$_GET['board'] = $board;
}
// Well, $board is going to be a number no matter what.
else
$board = 0;
// If there's a threadid, it's probably an old YaBB SE link. Flow with it.
if (isset($_REQUEST['threadid']) && !isset($_REQUEST['topic']))
$_REQUEST['topic'] = $_REQUEST['threadid'];
// We've got topic!
if (isset($_REQUEST['topic']))
{
// Make sure its a string and not something else like an array
$_REQUEST['topic'] = (string) $_REQUEST['topic'];
// Slash means old, beta style, formatting. That's okay though, the link should still work.
if (strpos($_REQUEST['topic'], '/') !== false)
list ($_REQUEST['topic'], $_REQUEST['start']) = explode('/', $_REQUEST['topic']);
// Dots are useful and fun ;). This is ?topic=1.15.
elseif (strpos($_REQUEST['topic'], '.') !== false)
list ($_REQUEST['topic'], $_REQUEST['start']) = explode('.', $_REQUEST['topic']);
// Check for pretty topic URLs, and possibly redirect if oldschool queries were used.
$context['pretty']['query_string']['topic'] = $_REQUEST['topic'];
if (is_numeric($_REQUEST['topic']))
{
$topic = (int) $_REQUEST['topic'];
if (!isset($_REQUEST['pretty']))
$context['pretty']['oldschoolquery'] = true;
} else {
$_REQUEST['topic'] = str_replace(array(''', '\\'), array("\x12", ''), $_REQUEST['topic']);
// Are we feeling lucky?
$query = $smcFunc['db_query']('', "
SELECT id_topic
FROM {db_prefix}pretty_topic_urls
WHERE pretty_url = {string:topic}",
array('topic' => $_REQUEST['topic']));
// No? No topic?!
if ($smcFunc['db_num_rows']($query) == 0)
$topic = 0;
else
{
$row = $smcFunc['db_fetch_row']($query);
$topic = (int) $row[0];
}
$smcFunc['db_free_result']($query);
// Fix $_REQUEST for silly mods that don't check $topic
$_REQUEST['topic'] = $topic;
// That query should be counted separately
$context['pretty']['db_count']++;
}
// Now make sure the online log gets the right number.
$_GET['topic'] = $topic;
}
else
$topic = 0;
// Remove our querystring flag so that the noindex meta logic will work
unset($_GET['pretty']);
// There should be a $_REQUEST['start'], some at least. If you need to default to other than 0, use $_GET['start'].
if (empty($_REQUEST['start']) || $_REQUEST['start'] < 0 || (int) $_REQUEST['start'] > 2147473647)
$_REQUEST['start'] = 0;
// The action needs to be a string and not an array or anything else
if (isset($_REQUEST['action']))
$_REQUEST['action'] = (string) $_REQUEST['action'];
if (isset($_GET['action']))
$_GET['action'] = (string) $_GET['action'];
// Some mail providers like to encode semicolons in activation URLs...
if (!empty($_REQUEST['action']) && substr($_SERVER['QUERY_STRING'], 0, 18) == 'action=activate%3b')
{
header('Location: ' . $scripturl . '?' . str_replace('%3b', ';', $_SERVER['QUERY_STRING']));
exit;
}
// Make sure we have a valid REMOTE_ADDR.
if (!isset($_SERVER['REMOTE_ADDR']))
{
$_SERVER['REMOTE_ADDR'] = '';
// A new magic variable to indicate we think this is command line.
$_SERVER['is_cli'] = true;
}
elseif (preg_match('~^((([1]?\d)?\d|2[0-4]\d|25[0-5])\.){3}(([1]?\d)?\d|2[0-4]\d|25[0-5])$~', $_SERVER['REMOTE_ADDR']) === 0)
$_SERVER['REMOTE_ADDR'] = 'unknown';
// Try to calculate their most likely IP for those people behind proxies (And the like).
$_SERVER['BAN_CHECK_IP'] = $_SERVER['REMOTE_ADDR'];
// Find the user's IP address. (but don't let it give you 'unknown'!)
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) && !empty($_SERVER['HTTP_CLIENT_IP']) && (preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['HTTP_CLIENT_IP']) == 0 || preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['REMOTE_ADDR']) != 0))
{
// We have both forwarded for AND client IP... check the first forwarded for as the block - only switch if it's better that way.
if (strtok($_SERVER['HTTP_X_FORWARDED_FOR'], '.') != strtok($_SERVER['HTTP_CLIENT_IP'], '.') && '.' . strtok($_SERVER['HTTP_X_FORWARDED_FOR'], '.') == strrchr($_SERVER['HTTP_CLIENT_IP'], '.') && (preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['HTTP_X_FORWARDED_FOR']) == 0 || preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['REMOTE_ADDR']) != 0))
$_SERVER['BAN_CHECK_IP'] = implode('.', array_reverse(explode('.', $_SERVER['HTTP_CLIENT_IP'])));
else
$_SERVER['BAN_CHECK_IP'] = $_SERVER['HTTP_CLIENT_IP'];
}
if (!empty($_SERVER['HTTP_CLIENT_IP']) && (preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['HTTP_CLIENT_IP']) == 0 || preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['REMOTE_ADDR']) != 0))
{
// Since they are in different blocks, it's probably reversed.
if (strtok($_SERVER['REMOTE_ADDR'], '.') != strtok($_SERVER['HTTP_CLIENT_IP'], '.'))
$_SERVER['BAN_CHECK_IP'] = implode('.', array_reverse(explode('.', $_SERVER['HTTP_CLIENT_IP'])));
else
$_SERVER['BAN_CHECK_IP'] = $_SERVER['HTTP_CLIENT_IP'];
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{
// If there are commas, get the last one.. probably.
if (strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ',') !== false)
{
$ips = array_reverse(explode(', ', $_SERVER['HTTP_X_FORWARDED_FOR']));
// Go through each IP...
foreach ($ips as $i => $ip)
{
// Make sure it's in a valid range...
if (preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $ip) != 0 && preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['REMOTE_ADDR']) == 0)
continue;
// Otherwise, we've got an IP!
$_SERVER['BAN_CHECK_IP'] = trim($ip);
break;
}
}
// Otherwise just use the only one.
elseif (preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['HTTP_X_FORWARDED_FOR']) == 0 || preg_match('~^((0|10|172\.(1[6-9]|2[0-9]|3[01])|192\.168|255|127)\.|unknown)~', $_SERVER['REMOTE_ADDR']) != 0)
$_SERVER['BAN_CHECK_IP'] = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
// Make sure we know the URL of the current request.
if (empty($_SERVER['REQUEST_URI']))
$_SERVER['REQUEST_URL'] = $scripturl . (!empty($_SERVER['QUERY_STRING']) ? '?' . $_SERVER['QUERY_STRING'] : '');
elseif (preg_match('~^([^/]+//[^/]+)~', $scripturl, $match) == 1)
$_SERVER['REQUEST_URL'] = $match[1] . $_SERVER['REQUEST_URI'];
else
$_SERVER['REQUEST_URL'] = $_SERVER['REQUEST_URI'];
// And make sure HTTP_USER_AGENT is set.
$_SERVER['HTTP_USER_AGENT'] = isset($_SERVER['HTTP_USER_AGENT']) ? htmlspecialchars($smcFunc['db_unescape_string']($_SERVER['HTTP_USER_AGENT']), ENT_QUOTES) : '';
// Some final checking.
if (preg_match('~^((([1]?\d)?\d|2[0-4]\d|25[0-5])\.){3}(([1]?\d)?\d|2[0-4]\d|25[0-5])$~', $_SERVER['BAN_CHECK_IP']) === 0)
$_SERVER['BAN_CHECK_IP'] = '';
if ($_SERVER['REMOTE_ADDR'] == 'unknown')
$_SERVER['REMOTE_ADDR'] = '';
}
// Adds slashes to the array/variable. Uses two underscores to guard against overloading.
function escapestring__recursive($var)
{
global $smcFunc;
if (!is_array($var))
return $smcFunc['db_escape_string']($var);
// Reindex the array with slashes.
$new_var = array();
// Add slashes to every element, even the indexes!
foreach ($var as $k => $v)
$new_var[$smcFunc['db_escape_string']($k)] = escapestring__recursive($v);
return $new_var;
}
// Adds html entities to the array/variable. Uses two underscores to guard against overloading.
function htmlspecialchars__recursive($var, $level = 0)
{
global $smcFunc;
if (!is_array($var))
return isset($smcFunc['htmlspecialchars']) ? $smcFunc['htmlspecialchars']($var, ENT_QUOTES) : htmlspecialchars($var, ENT_QUOTES);
// Add the htmlspecialchars to every element.
foreach ($var as $k => $v)
$var[$k] = $level > 25 ? null : htmlspecialchars__recursive($v, $level + 1);
return $var;
}
// Removes url stuff from the array/variable. Uses two underscores to guard against overloading.
function urldecode__recursive($var, $level = 0)
{
if (!is_array($var))
return urldecode($var);
// Reindex the array...
$new_var = array();
// Add the htmlspecialchars to every element.
foreach ($var as $k => $v)
$new_var[urldecode($k)] = $level > 25 ? null : urldecode__recursive($v, $level + 1);
return $new_var;
}
// Unescapes any array or variable. Two underscores for the normal reason.
function unescapestring__recursive($var)
{
global $smcFunc;
if (!is_array($var))
return $smcFunc['db_unescape_string']($var);
// Reindex the array without slashes, this time.
$new_var = array();
// Strip the slashes from every element.
foreach ($var as $k => $v)
$new_var[$smcFunc['db_unescape_string']($k)] = unescapestring__recursive($v);
return $new_var;
}
// Remove slashes recursively...
function stripslashes__recursive($var, $level = 0)
{
if (!is_array($var))
return stripslashes($var);
// Reindex the array without slashes, this time.
$new_var = array();
// Strip the slashes from every element.
foreach ($var as $k => $v)
$new_var[stripslashes($k)] = $level > 25 ? null : stripslashes__recursive($v, $level + 1);
return $new_var;
}
// Trim a string including the HTML space, character 160.
function htmltrim__recursive($var, $level = 0)
{
global $smcFunc;
// Remove spaces (32), tabs (9), returns (13, 10, and 11), nulls (0), and hard spaces. (160)
if (!is_array($var))
return isset($smcFunc) ? $smcFunc['htmltrim']($var) : trim($var, ' ' . "\t\n\r\x0B" . '\0' . "\xA0");
// Go through all the elements and remove the whitespace.
foreach ($var as $k => $v)
$var[$k] = $level > 25 ? null : htmltrim__recursive($v, $level + 1);
return $var;
}
// Clean up the XML to make sure it doesn't contain invalid characters.
function cleanXml($string)
{
global $context;
// http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char
return preg_replace('~[\x00-\x08\x0B\x0C\x0E-\x19' . ($context['utf8'] ? (@version_compare(PHP_VERSION, '4.3.3') != -1 ? '\x{FFFE}\x{FFFF}' : "\xED\xA0\x80-\xED\xBF\xBF\xEF\xBF\xBE\xEF\xBF\xBF") : '') . ']~' . ($context['utf8'] ? 'u' : ''), '', $string);
}
function JavaScriptEscape($string)
{
global $scripturl;
return '\'' . strtr($string, array(
"\r" => '',
"\n" => '\\n',
"\t" => '\\t',
'\\' => '\\\\',
'\'' => '\\\'',
'' => '<\' + \'/',
'script' => 'scri\'+\'pt',
' ' $scripturl . '\'+\'',
)) . '\'';
}
// Rewrite URLs to include the session ID.
function ob_sessrewrite($buffer)
{
global $scripturl, $modSettings, $user_info, $context, $boardurl, $db_count, $sourcedir, $time_start, $txt;
// Start Ad Mod
// You can order copyright removal! From the mod settings cheap and helps support the mod author!
$showInfo = AdsCheckInfo();
if ($showInfo == true && !isset($adCopyright))
{
$buffer = preg_replace('~(, Simple Machines LLC)~', ', Simple Machines LLC
SMFAds for Free Forums', $buffer);
$buffer = preg_replace('~(class="new_win">Simple Machines)~', 'class="new_win">Simple Machines
SMFAds for Free Forums', $buffer);
$adCopyright = 1;
}
// End Ad Mod
// It's just a blue dream...
if (function_exists('sp_query_string'))
$buffer = sp_query_string($buffer);
// Auto Embed Media Pro
$showInfo = MediaProCheckInfo();
if ($showInfo == true)
{
if (!isset($autoMediaLoaded))
{
$buffer = preg_replace('~(, Simple Machines LLC)~', ', Simple Machines LLC
Simple Audio Video Embedder', $buffer);
$buffer = preg_replace('~(class="new_win">Simple Machines)~', 'class="new_win">Simple Machines
Simple Audio Video Embedder', $buffer);
$autoMediaLoaded = 1;
}
}
// End Auto Embed Media Pro
// If $scripturl is set to nothing, or the SID is not defined (SSI?) just quit.
if ($scripturl == '' || !defined('SID'))
return $buffer;
// Do nothing if the session is cookied, or they are a crawler - guests are caught by redirectexit(). This doesn't work below PHP 4.3.0, because it makes the output buffer bigger.
// !!! smflib
if (empty($_COOKIE) && SID != '' && empty($context['browser']['possibly_robot']) && @version_compare(PHP_VERSION, '4.3.0') != -1)
$buffer = preg_replace('/(?' . $txt['page_created'] . '([.0-9]+)' . $txt['seconds_with'] . '([0-9]+)' . $txt['queries'] . '~';
if (preg_match($pattern, $buffer, $matches))
{
$newTime = round(array_sum(explode(' ', microtime())) - array_sum(explode(' ', $time_start)), 3);
$timeDiff = $newTime - (float) $matches[1];
$queriesDiff = $db_count + $context['pretty']['db_count'] - (int) $matches[2];
// Remove the link if you like, I won't enforce it like others do
$newLoadTime = '' . $txt['page_created'] . $newTime . $txt['seconds_with'] . $db_count . $txt['queries'] . ' (Pretty URLs adds ' . $timeDiff . 's, ' . $queriesDiff . 'q)';
$buffer = str_replace($matches[0], $newLoadTime, $buffer);
}
// Return the changed buffer.
return $buffer;
}
function sid_insert__preg_callback($matches)
{
global $scripturl;
return '"' . $scripturl . "/" . strtr($matches[1], '&;=', '//,') . ".html?" . SID . (isset($matches[2]) ? $matches[2] : "") . '"';
}
function pathinfo_insert__preg_callback($matches)
{
global $scripturl;
return '"' . $scripturl . "/" . strtr($matches[1], '&;=', '//,') . ".html" . (isset($matches[2]) ? $matches[2] : "") . '"';
}
function AdsCheckInfo()
{
global $modSettings, $boardurl;
if (isset($modSettings['ads_copyrightkey']))
{
$m = 35;
if (!empty($modSettings['ads_copyrightkey']))
{
if ($modSettings['ads_copyrightkey'] == sha1($m . '-' . $boardurl))
{
return false;
}
else
return true;
}
}
return true;
}
function MediaProCheckInfo()
{
global $modSettings, $boardurl;
if (isset($modSettings['mediapro_copyrightkey']))
{
$m = 36;
if (!empty($modSettings['mediapro_copyrightkey']))
{
if ($modSettings['mediapro_copyrightkey'] == sha1($m . '-' . $boardurl))
{
return false;
}
else
return true;
}
}
return true;
}
?>