mirror of
https://github.com/phpbb/phpbb.git
synced 2025-02-24 03:54:10 +01:00
[ticket/9792] Move function definitions out of download/file.php
Move functions defined in download/file.php out to includes/functions_download.php so they can be properly reused and unit tested. PHPBB3-9792
This commit is contained in:
Andreas Fischer
parent
0245ac581e
commit
5625df34a5
@ -49,6 +49,7 @@ if (isset($_GET['avatar']))
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require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
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require($phpbb_root_path . 'includes/constants.' . $phpEx);
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require($phpbb_root_path . 'includes/functions.' . $phpEx);
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require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx);
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$db = new $sql_db();
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$cache = new cache();
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@ -113,6 +114,7 @@ if (isset($_GET['avatar']))
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// implicit else: we are not in avatar mode
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include($phpbb_root_path . 'common.' . $phpEx);
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require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx);
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$download_id = request_var('id', 0);
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$mode = request_var('mode', '');
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@ -308,398 +310,4 @@ else
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}
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}
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/**
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* A simplified function to deliver avatars
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* The argument needs to be checked before calling this function.
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*/
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function send_avatar_to_browser($file, $browser)
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{
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global $config, $phpbb_root_path;
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$prefix = $config['avatar_salt'] . '_';
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$image_dir = $config['avatar_path'];
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// Adjust image_dir path (no trailing slash)
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if (substr($image_dir, -1, 1) == '/' || substr($image_dir, -1, 1) == '\\')
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{
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$image_dir = substr($image_dir, 0, -1) . '/';
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}
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$image_dir = str_replace(array('../', '..\\', './', '.\\'), '', $image_dir);
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if ($image_dir && ($image_dir[0] == '/' || $image_dir[0] == '\\'))
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{
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$image_dir = '';
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}
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$file_path = $phpbb_root_path . $image_dir . '/' . $prefix . $file;
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if ((@file_exists($file_path) && @is_readable($file_path)) && !headers_sent())
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{
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header('Pragma: public');
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$image_data = @getimagesize($file_path);
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header('Content-Type: ' . image_type_to_mime_type($image_data[2]));
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if (strpos(strtolower($browser), 'msie') !== false && strpos(strtolower($browser), 'msie 8.0') === false)
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{
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header('Content-Disposition: attachment; ' . header_filename($file));
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if (strpos(strtolower($browser), 'msie 6.0') !== false)
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{
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header('Expires: -1');
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}
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else
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{
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header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
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}
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}
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else
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{
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header('Content-Disposition: inline; ' . header_filename($file));
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header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
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}
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$size = @filesize($file_path);
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if ($size)
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{
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header("Content-Length: $size");
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}
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if (@readfile($file_path) == false)
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{
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$fp = @fopen($file_path, 'rb');
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if ($fp !== false)
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{
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while (!feof($fp))
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{
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echo fread($fp, 8192);
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}
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fclose($fp);
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}
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}
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flush();
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}
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else
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{
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header('HTTP/1.0 404 Not Found');
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}
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}
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/**
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* Wraps an url into a simple html page. Used to display attachments in IE.
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* this is a workaround for now; might be moved to template system later
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* direct any complaints to 1 Microsoft Way, Redmond
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*/
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function wrap_img_in_html($src, $title)
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{
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echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd">';
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echo '<html>';
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echo '<head>';
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echo '<meta http-equiv="content-type" content="text/html; charset=UTF-8" />';
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echo '<title>' . $title . '</title>';
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echo '</head>';
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echo '<body>';
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echo '<div>';
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echo '<img src="' . $src . '" alt="' . $title . '" />';
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echo '</div>';
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echo '</body>';
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echo '</html>';
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}
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/**
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* Send file to browser
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*/
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function send_file_to_browser($attachment, $upload_dir, $category)
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{
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global $user, $db, $config, $phpbb_root_path;
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$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename'];
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if (!@file_exists($filename))
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{
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trigger_error($user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf($user->lang['FILE_NOT_FOUND_404'], $filename));
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}
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// Correct the mime type - we force application/octetstream for all files, except images
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// Please do not change this, it is a security precaution
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if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0)
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{
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$attachment['mimetype'] = (strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false) ? 'application/octetstream' : 'application/octet-stream';
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}
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if (@ob_get_length())
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{
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@ob_end_clean();
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}
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// Now send the File Contents to the Browser
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$size = @filesize($filename);
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// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
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// Check if headers already sent or not able to get the file contents.
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if (headers_sent() || !@file_exists($filename) || !@is_readable($filename))
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{
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// PHP track_errors setting On?
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if (!empty($php_errormsg))
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{
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trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
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}
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trigger_error('UNABLE_TO_DELIVER_FILE');
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}
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// Now the tricky part... let's dance
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header('Pragma: public');
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/**
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* Commented out X-Sendfile support. To not expose the physical filename within the header if xsendfile is absent we need to look into methods of checking it's status.
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*
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* Try X-Sendfile since it is much more server friendly - only works if the path is *not* outside of the root path...
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* lighttpd has core support for it. An apache2 module is available at http://celebnamer.celebworld.ws/stuff/mod_xsendfile/
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*
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* Not really ideal, but should work fine...
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* <code>
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* if (strpos($upload_dir, '/') !== 0 && strpos($upload_dir, '../') === false)
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* {
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* header('X-Sendfile: ' . $filename);
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* }
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* </code>
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*/
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// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
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$is_ie8 = (strpos(strtolower($user->browser), 'msie 8.0') !== false);
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header('Content-Type: ' . $attachment['mimetype']);
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if ($is_ie8)
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{
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header('X-Content-Type-Options: nosniff');
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}
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if ($category == ATTACHMENT_CATEGORY_FLASH && request_var('view', 0) === 1)
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{
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// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline
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header('Content-Disposition: inline');
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}
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else
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{
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if (empty($user->browser) || (!$is_ie8 && (strpos(strtolower($user->browser), 'msie') !== false)))
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{
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header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
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if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false))
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{
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header('expires: -1');
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}
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}
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else
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{
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header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
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if ($is_ie8 && (strpos($attachment['mimetype'], 'image') !== 0))
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{
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header('X-Download-Options: noopen');
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}
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}
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}
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if ($size)
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{
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header("Content-Length: $size");
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}
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// Close the db connection before sending the file
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$db->sql_close();
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if (!set_modified_headers($attachment['filetime'], $user->browser))
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{
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// Try to deliver in chunks
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@set_time_limit(0);
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$fp = @fopen($filename, 'rb');
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if ($fp !== false)
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{
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while (!feof($fp))
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{
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echo fread($fp, 8192);
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}
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fclose($fp);
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}
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else
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{
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@readfile($filename);
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}
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flush();
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}
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file_gc();
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}
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/**
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* Get a browser friendly UTF-8 encoded filename
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*/
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function header_filename($file)
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{
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$user_agent = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : '';
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// There be dragons here.
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// Not many follows the RFC...
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if (strpos($user_agent, 'MSIE') !== false || strpos($user_agent, 'Safari') !== false || strpos($user_agent, 'Konqueror') !== false)
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{
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return "filename=" . rawurlencode($file);
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}
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// follow the RFC for extended filename for the rest
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return "filename*=UTF-8''" . rawurlencode($file);
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}
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/**
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* Check if downloading item is allowed
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*/
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function download_allowed()
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{
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global $config, $user, $db;
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if (!$config['secure_downloads'])
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{
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return true;
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}
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$url = (!empty($_SERVER['HTTP_REFERER'])) ? trim($_SERVER['HTTP_REFERER']) : trim(getenv('HTTP_REFERER'));
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if (!$url)
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{
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return ($config['secure_allow_empty_referer']) ? true : false;
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}
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// Split URL into domain and script part
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$url = @parse_url($url);
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if ($url === false)
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{
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return ($config['secure_allow_empty_referer']) ? true : false;
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}
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$hostname = $url['host'];
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unset($url);
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$allowed = ($config['secure_allow_deny']) ? false : true;
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$iplist = array();
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if (($ip_ary = @gethostbynamel($hostname)) !== false)
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{
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foreach ($ip_ary as $ip)
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{
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if ($ip)
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{
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$iplist[] = $ip;
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}
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}
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}
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// Check for own server...
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$server_name = $user->host;
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// Forcing server vars is the only way to specify/override the protocol
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if ($config['force_server_vars'] || !$server_name)
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{
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$server_name = $config['server_name'];
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}
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if (preg_match('#^.*?' . preg_quote($server_name, '#') . '.*?$#i', $hostname))
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{
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$allowed = true;
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}
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// Get IP's and Hostnames
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if (!$allowed)
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{
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$sql = 'SELECT site_ip, site_hostname, ip_exclude
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FROM ' . SITELIST_TABLE;
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$site_ip = trim($row['site_ip']);
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$site_hostname = trim($row['site_hostname']);
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if ($site_ip)
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{
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foreach ($iplist as $ip)
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{
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if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_ip, '#')) . '$#i', $ip))
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{
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if ($row['ip_exclude'])
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{
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$allowed = ($config['secure_allow_deny']) ? false : true;
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break 2;
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}
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else
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{
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$allowed = ($config['secure_allow_deny']) ? true : false;
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}
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}
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}
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}
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if ($site_hostname)
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{
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if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_hostname, '#')) . '$#i', $hostname))
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{
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if ($row['ip_exclude'])
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{
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$allowed = ($config['secure_allow_deny']) ? false : true;
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break;
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}
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else
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{
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$allowed = ($config['secure_allow_deny']) ? true : false;
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}
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}
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}
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}
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$db->sql_freeresult($result);
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}
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return $allowed;
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}
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/**
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* Check if the browser has the file already and set the appropriate headers-
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* @returns false if a resend is in order.
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*/
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function set_modified_headers($stamp, $browser)
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{
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// let's see if we have to send the file at all
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$last_load = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? strtotime(trim($_SERVER['HTTP_IF_MODIFIED_SINCE'])) : false;
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if ((strpos(strtolower($browser), 'msie 6.0') === false) && (strpos(strtolower($browser), 'msie 8.0') === false))
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{
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if ($last_load !== false && $last_load >= $stamp)
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{
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send_status_line(304, 'Not Modified');
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// seems that we need those too ... browsers
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header('Pragma: public');
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header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
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return true;
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}
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else
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{
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $stamp) . ' GMT');
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}
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}
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return false;
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}
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function file_gc()
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{
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global $cache, $db;
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if (!empty($cache))
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{
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$cache->unload();
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}
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$db->sql_close();
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exit;
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}
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?>
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409
phpBB/includes/functions_download.php
Normal file
409
phpBB/includes/functions_download.php
Normal file
@ -0,0 +1,409 @@
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<?php
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/**
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*
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* @package phpBB3
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
|
||||
* A simplified function to deliver avatars
|
||||
* The argument needs to be checked before calling this function.
|
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*/
|
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function send_avatar_to_browser($file, $browser)
|
||||
{
|
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global $config, $phpbb_root_path;
|
||||
|
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$prefix = $config['avatar_salt'] . '_';
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$image_dir = $config['avatar_path'];
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// Adjust image_dir path (no trailing slash)
|
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if (substr($image_dir, -1, 1) == '/' || substr($image_dir, -1, 1) == '\\')
|
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{
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$image_dir = substr($image_dir, 0, -1) . '/';
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}
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$image_dir = str_replace(array('../', '..\\', './', '.\\'), '', $image_dir);
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|
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if ($image_dir && ($image_dir[0] == '/' || $image_dir[0] == '\\'))
|
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{
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$image_dir = '';
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}
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$file_path = $phpbb_root_path . $image_dir . '/' . $prefix . $file;
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if ((@file_exists($file_path) && @is_readable($file_path)) && !headers_sent())
|
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{
|
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header('Pragma: public');
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$image_data = @getimagesize($file_path);
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header('Content-Type: ' . image_type_to_mime_type($image_data[2]));
|
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|
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if (strpos(strtolower($browser), 'msie') !== false && strpos(strtolower($browser), 'msie 8.0') === false)
|
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{
|
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header('Content-Disposition: attachment; ' . header_filename($file));
|
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|
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if (strpos(strtolower($browser), 'msie 6.0') !== false)
|
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{
|
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header('Expires: -1');
|
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}
|
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else
|
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{
|
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header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
|
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}
|
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}
|
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else
|
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{
|
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header('Content-Disposition: inline; ' . header_filename($file));
|
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header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
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}
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||||
|
||||
$size = @filesize($file_path);
|
||||
if ($size)
|
||||
{
|
||||
header("Content-Length: $size");
|
||||
}
|
||||
|
||||
if (@readfile($file_path) == false)
|
||||
{
|
||||
$fp = @fopen($file_path, 'rb');
|
||||
|
||||
if ($fp !== false)
|
||||
{
|
||||
while (!feof($fp))
|
||||
{
|
||||
echo fread($fp, 8192);
|
||||
}
|
||||
fclose($fp);
|
||||
}
|
||||
}
|
||||
|
||||
flush();
|
||||
}
|
||||
else
|
||||
{
|
||||
header('HTTP/1.0 404 Not Found');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Wraps an url into a simple html page. Used to display attachments in IE.
|
||||
* this is a workaround for now; might be moved to template system later
|
||||
* direct any complaints to 1 Microsoft Way, Redmond
|
||||
*/
|
||||
function wrap_img_in_html($src, $title)
|
||||
{
|
||||
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd">';
|
||||
echo '<html>';
|
||||
echo '<head>';
|
||||
echo '<meta http-equiv="content-type" content="text/html; charset=UTF-8" />';
|
||||
echo '<title>' . $title . '</title>';
|
||||
echo '</head>';
|
||||
echo '<body>';
|
||||
echo '<div>';
|
||||
echo '<img src="' . $src . '" alt="' . $title . '" />';
|
||||
echo '</div>';
|
||||
echo '</body>';
|
||||
echo '</html>';
|
||||
}
|
||||
|
||||
/**
|
||||
* Send file to browser
|
||||
*/
|
||||
function send_file_to_browser($attachment, $upload_dir, $category)
|
||||
{
|
||||
global $user, $db, $config, $phpbb_root_path;
|
||||
|
||||
$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename'];
|
||||
|
||||
if (!@file_exists($filename))
|
||||
{
|
||||
trigger_error($user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf($user->lang['FILE_NOT_FOUND_404'], $filename));
|
||||
}
|
||||
|
||||
// Correct the mime type - we force application/octetstream for all files, except images
|
||||
// Please do not change this, it is a security precaution
|
||||
if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0)
|
||||
{
|
||||
$attachment['mimetype'] = (strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false) ? 'application/octetstream' : 'application/octet-stream';
|
||||
}
|
||||
|
||||
if (@ob_get_length())
|
||||
{
|
||||
@ob_end_clean();
|
||||
}
|
||||
|
||||
// Now send the File Contents to the Browser
|
||||
$size = @filesize($filename);
|
||||
|
||||
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
|
||||
|
||||
// Check if headers already sent or not able to get the file contents.
|
||||
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename))
|
||||
{
|
||||
// PHP track_errors setting On?
|
||||
if (!empty($php_errormsg))
|
||||
{
|
||||
trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
|
||||
}
|
||||
|
||||
trigger_error('UNABLE_TO_DELIVER_FILE');
|
||||
}
|
||||
|
||||
// Now the tricky part... let's dance
|
||||
header('Pragma: public');
|
||||
|
||||
/**
|
||||
* Commented out X-Sendfile support. To not expose the physical filename within the header if xsendfile is absent we need to look into methods of checking it's status.
|
||||
*
|
||||
* Try X-Sendfile since it is much more server friendly - only works if the path is *not* outside of the root path...
|
||||
* lighttpd has core support for it. An apache2 module is available at http://celebnamer.celebworld.ws/stuff/mod_xsendfile/
|
||||
*
|
||||
* Not really ideal, but should work fine...
|
||||
* <code>
|
||||
* if (strpos($upload_dir, '/') !== 0 && strpos($upload_dir, '../') === false)
|
||||
* {
|
||||
* header('X-Sendfile: ' . $filename);
|
||||
* }
|
||||
* </code>
|
||||
*/
|
||||
|
||||
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
|
||||
$is_ie8 = (strpos(strtolower($user->browser), 'msie 8.0') !== false);
|
||||
header('Content-Type: ' . $attachment['mimetype']);
|
||||
|
||||
if ($is_ie8)
|
||||
{
|
||||
header('X-Content-Type-Options: nosniff');
|
||||
}
|
||||
|
||||
if ($category == ATTACHMENT_CATEGORY_FLASH && request_var('view', 0) === 1)
|
||||
{
|
||||
// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline
|
||||
header('Content-Disposition: inline');
|
||||
}
|
||||
else
|
||||
{
|
||||
if (empty($user->browser) || (!$is_ie8 && (strpos(strtolower($user->browser), 'msie') !== false)))
|
||||
{
|
||||
header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
|
||||
if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false))
|
||||
{
|
||||
header('expires: -1');
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
|
||||
if ($is_ie8 && (strpos($attachment['mimetype'], 'image') !== 0))
|
||||
{
|
||||
header('X-Download-Options: noopen');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ($size)
|
||||
{
|
||||
header("Content-Length: $size");
|
||||
}
|
||||
|
||||
// Close the db connection before sending the file
|
||||
$db->sql_close();
|
||||
|
||||
if (!set_modified_headers($attachment['filetime'], $user->browser))
|
||||
{
|
||||
// Try to deliver in chunks
|
||||
@set_time_limit(0);
|
||||
|
||||
$fp = @fopen($filename, 'rb');
|
||||
|
||||
if ($fp !== false)
|
||||
{
|
||||
while (!feof($fp))
|
||||
{
|
||||
echo fread($fp, 8192);
|
||||
}
|
||||
fclose($fp);
|
||||
}
|
||||
else
|
||||
{
|
||||
@readfile($filename);
|
||||
}
|
||||
|
||||
flush();
|
||||
}
|
||||
file_gc();
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a browser friendly UTF-8 encoded filename
|
||||
*/
|
||||
function header_filename($file)
|
||||
{
|
||||
$user_agent = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : '';
|
||||
|
||||
// There be dragons here.
|
||||
// Not many follows the RFC...
|
||||
if (strpos($user_agent, 'MSIE') !== false || strpos($user_agent, 'Safari') !== false || strpos($user_agent, 'Konqueror') !== false)
|
||||
{
|
||||
return "filename=" . rawurlencode($file);
|
||||
}
|
||||
|
||||
// follow the RFC for extended filename for the rest
|
||||
return "filename*=UTF-8''" . rawurlencode($file);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if downloading item is allowed
|
||||
*/
|
||||
function download_allowed()
|
||||
{
|
||||
global $config, $user, $db;
|
||||
|
||||
if (!$config['secure_downloads'])
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
$url = (!empty($_SERVER['HTTP_REFERER'])) ? trim($_SERVER['HTTP_REFERER']) : trim(getenv('HTTP_REFERER'));
|
||||
|
||||
if (!$url)
|
||||
{
|
||||
return ($config['secure_allow_empty_referer']) ? true : false;
|
||||
}
|
||||
|
||||
// Split URL into domain and script part
|
||||
$url = @parse_url($url);
|
||||
|
||||
if ($url === false)
|
||||
{
|
||||
return ($config['secure_allow_empty_referer']) ? true : false;
|
||||
}
|
||||
|
||||
$hostname = $url['host'];
|
||||
unset($url);
|
||||
|
||||
$allowed = ($config['secure_allow_deny']) ? false : true;
|
||||
$iplist = array();
|
||||
|
||||
if (($ip_ary = @gethostbynamel($hostname)) !== false)
|
||||
{
|
||||
foreach ($ip_ary as $ip)
|
||||
{
|
||||
if ($ip)
|
||||
{
|
||||
$iplist[] = $ip;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Check for own server...
|
||||
$server_name = $user->host;
|
||||
|
||||
// Forcing server vars is the only way to specify/override the protocol
|
||||
if ($config['force_server_vars'] || !$server_name)
|
||||
{
|
||||
$server_name = $config['server_name'];
|
||||
}
|
||||
|
||||
if (preg_match('#^.*?' . preg_quote($server_name, '#') . '.*?$#i', $hostname))
|
||||
{
|
||||
$allowed = true;
|
||||
}
|
||||
|
||||
// Get IP's and Hostnames
|
||||
if (!$allowed)
|
||||
{
|
||||
$sql = 'SELECT site_ip, site_hostname, ip_exclude
|
||||
FROM ' . SITELIST_TABLE;
|
||||
$result = $db->sql_query($sql);
|
||||
|
||||
while ($row = $db->sql_fetchrow($result))
|
||||
{
|
||||
$site_ip = trim($row['site_ip']);
|
||||
$site_hostname = trim($row['site_hostname']);
|
||||
|
||||
if ($site_ip)
|
||||
{
|
||||
foreach ($iplist as $ip)
|
||||
{
|
||||
if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_ip, '#')) . '$#i', $ip))
|
||||
{
|
||||
if ($row['ip_exclude'])
|
||||
{
|
||||
$allowed = ($config['secure_allow_deny']) ? false : true;
|
||||
break 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
$allowed = ($config['secure_allow_deny']) ? true : false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ($site_hostname)
|
||||
{
|
||||
if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($site_hostname, '#')) . '$#i', $hostname))
|
||||
{
|
||||
if ($row['ip_exclude'])
|
||||
{
|
||||
$allowed = ($config['secure_allow_deny']) ? false : true;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
$allowed = ($config['secure_allow_deny']) ? true : false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
$db->sql_freeresult($result);
|
||||
}
|
||||
|
||||
return $allowed;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the browser has the file already and set the appropriate headers-
|
||||
* @returns false if a resend is in order.
|
||||
*/
|
||||
function set_modified_headers($stamp, $browser)
|
||||
{
|
||||
// let's see if we have to send the file at all
|
||||
$last_load = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? strtotime(trim($_SERVER['HTTP_IF_MODIFIED_SINCE'])) : false;
|
||||
if ((strpos(strtolower($browser), 'msie 6.0') === false) && (strpos(strtolower($browser), 'msie 8.0') === false))
|
||||
{
|
||||
if ($last_load !== false && $last_load >= $stamp)
|
||||
{
|
||||
send_status_line(304, 'Not Modified');
|
||||
// seems that we need those too ... browsers
|
||||
header('Pragma: public');
|
||||
header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $stamp) . ' GMT');
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
function file_gc()
|
||||
{
|
||||
global $cache, $db;
|
||||
if (!empty($cache))
|
||||
{
|
||||
$cache->unload();
|
||||
}
|
||||
$db->sql_close();
|
||||
exit;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user