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-rw-r--r--phpBB/download/file.php695
1 files changed, 137 insertions, 558 deletions
diff --git a/phpBB/download/file.php b/phpBB/download/file.php
index cf8aaa03e8..e60ffad6b0 100644
--- a/phpBB/download/file.php
+++ b/phpBB/download/file.php
@@ -1,10 +1,13 @@
<?php
/**
*
-* @package phpBB3
-* @version $Id$
-* @copyright (c) 2005 phpBB Group
-* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
*
*/
@@ -15,7 +18,6 @@ define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './../';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
-
// Thank you sun.
if (isset($_SERVER['CONTENT_TYPE']))
{
@@ -32,33 +34,61 @@ else if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'
if (isset($_GET['avatar']))
{
require($phpbb_root_path . 'includes/startup.' . $phpEx);
- require($phpbb_root_path . 'config.' . $phpEx);
+
+ require($phpbb_root_path . 'phpbb/class_loader.' . $phpEx);
+ $phpbb_class_loader = new \phpbb\class_loader('phpbb\\', "{$phpbb_root_path}phpbb/", $phpEx);
+ $phpbb_class_loader->register();
+
+ $phpbb_config_php_file = new \phpbb\config_php_file($phpbb_root_path, $phpEx);
+ extract($phpbb_config_php_file->get_all());
if (!defined('PHPBB_INSTALLED') || empty($dbms) || empty($acm_type))
{
exit;
}
- require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);
- require($phpbb_root_path . 'includes/cache.' . $phpEx);
- require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
require($phpbb_root_path . 'includes/constants.' . $phpEx);
require($phpbb_root_path . 'includes/functions.' . $phpEx);
+ require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx);
+ require($phpbb_root_path . 'includes/utf/utf_tools.' . $phpEx);
- $db = new $sql_db();
- $cache = new cache();
+ // Setup class loader first
+ $phpbb_class_loader_ext = new \phpbb\class_loader('\\', "{$phpbb_root_path}ext/", $phpEx);
+ $phpbb_class_loader_ext->register();
+
+ phpbb_load_extensions_autoloaders($phpbb_root_path);
+
+ // Set up container
+ $phpbb_container_builder = new \phpbb\di\container_builder($phpbb_config_php_file, $phpbb_root_path, $phpEx);
+ $phpbb_container = $phpbb_container_builder->get_container();
+
+ $phpbb_class_loader->set_cache($phpbb_container->get('cache.driver'));
+ $phpbb_class_loader_ext->set_cache($phpbb_container->get('cache.driver'));
+
+ // set up caching
+ $cache = $phpbb_container->get('cache');
+
+ $phpbb_dispatcher = $phpbb_container->get('dispatcher');
+ $request = $phpbb_container->get('request');
+ $db = $phpbb_container->get('dbal.conn');
+ $phpbb_log = $phpbb_container->get('log');
- // Connect to DB
- if (!@$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false))
- {
- exit;
- }
unset($dbpasswd);
+ request_var('', 0, false, false, $request);
+
+ $config = $phpbb_container->get('config');
+ set_config(null, null, null, $config);
+ set_config_count(null, null, null, $config);
+
+ // load extensions
+ $phpbb_extension_manager = $phpbb_container->get('ext.manager');
+
// worst-case default
- $browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : 'msie 6.0';
+ $browser = strtolower($request->header('User-Agent', 'msie 6.0'));
+
+ $phpbb_avatar_manager = $phpbb_container->get('avatar.manager');
- $config = $cache->obtain_config();
$filename = request_var('avatar', '');
$avatar_group = false;
$exit = false;
@@ -108,8 +138,9 @@ if (isset($_GET['avatar']))
// implicit else: we are not in avatar mode
include($phpbb_root_path . 'common.' . $phpEx);
+require($phpbb_root_path . 'includes/functions_download' . '.' . $phpEx);
-$download_id = request_var('id', 0);
+$attach_id = request_var('id', 0);
$mode = request_var('mode', '');
$thumbnail = request_var('t', false);
@@ -118,22 +149,22 @@ $user->session_begin(false);
$auth->acl($user->data);
$user->setup('viewtopic');
-if (!$download_id)
+if (!$config['allow_attachments'] && !$config['allow_pm_attach'])
{
send_status_line(404, 'Not Found');
- trigger_error('NO_ATTACHMENT_SELECTED');
+ trigger_error('ATTACHMENT_FUNCTIONALITY_DISABLED');
}
-if (!$config['allow_attachments'] && !$config['allow_pm_attach'])
+if (!$attach_id)
{
send_status_line(404, 'Not Found');
- trigger_error('ATTACHMENT_FUNCTIONALITY_DISABLED');
+ trigger_error('NO_ATTACHMENT_SELECTED');
}
-$sql = 'SELECT attach_id, in_message, post_msg_id, extension, is_orphan, poster_id, filetime
+$sql = 'SELECT attach_id, post_msg_id, topic_id, in_message, poster_id, is_orphan, physical_filename, real_filename, extension, mimetype, filesize, filetime
FROM ' . ATTACHMENTS_TABLE . "
- WHERE attach_id = $download_id";
-$result = $db->sql_query_limit($sql, 1);
+ WHERE attach_id = $attach_id";
+$result = $db->sql_query($sql);
$attachment = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
@@ -142,594 +173,142 @@ if (!$attachment)
send_status_line(404, 'Not Found');
trigger_error('ERROR_NO_ATTACHMENT');
}
-
-if ((!$attachment['in_message'] && !$config['allow_attachments']) || ($attachment['in_message'] && !$config['allow_pm_attach']))
+else if (!download_allowed())
{
- send_status_line(404, 'Not Found');
- trigger_error('ATTACHMENT_FUNCTIONALITY_DISABLED');
+ send_status_line(403, 'Forbidden');
+ trigger_error($user->lang['LINKAGE_FORBIDDEN']);
}
-
-$row = array();
-
-if ($attachment['is_orphan'])
+else
{
- // We allow admins having attachment permissions to see orphan attachments...
- $own_attachment = ($auth->acl_get('a_attach') || $attachment['poster_id'] == $user->data['user_id']) ? true : false;
+ $attachment['physical_filename'] = utf8_basename($attachment['physical_filename']);
- if (!$own_attachment || ($attachment['in_message'] && !$auth->acl_get('u_pm_download')) || (!$attachment['in_message'] && !$auth->acl_get('u_download')))
+ if (!$attachment['in_message'] && !$config['allow_attachments'] || $attachment['in_message'] && !$config['allow_pm_attach'])
{
send_status_line(404, 'Not Found');
- trigger_error('ERROR_NO_ATTACHMENT');
+ trigger_error('ATTACHMENT_FUNCTIONALITY_DISABLED');
}
- // Obtain all extensions...
- $extensions = $cache->obtain_attach_extensions(true);
-}
-else
-{
- if (!$attachment['in_message'])
- {
- //
- $sql = 'SELECT p.forum_id, f.forum_name, f.forum_password, f.parent_id
- FROM ' . POSTS_TABLE . ' p, ' . FORUMS_TABLE . ' f
- WHERE p.post_id = ' . $attachment['post_msg_id'] . '
- AND p.forum_id = f.forum_id';
- $result = $db->sql_query_limit($sql, 1);
- $row = $db->sql_fetchrow($result);
- $db->sql_freeresult($result);
-
- // Global announcement?
- $f_download = (!$row) ? $auth->acl_getf_global('f_download') : $auth->acl_get('f_download', $row['forum_id']);
-
- if ($auth->acl_get('u_download') && $f_download)
- {
- if ($row && $row['forum_password'])
- {
- // Do something else ... ?
- login_forum_box($row);
- }
- }
- else
- {
- send_status_line(403, 'Forbidden');
- trigger_error('SORRY_AUTH_VIEW_ATTACH');
- }
- }
- else
+ if ($attachment['is_orphan'])
{
- $row['forum_id'] = false;
- if (!$auth->acl_get('u_pm_download'))
- {
- send_status_line(403, 'Forbidden');
- trigger_error('SORRY_AUTH_VIEW_ATTACH');
- }
-
- // Check if the attachment is within the users scope...
- $sql = 'SELECT user_id, author_id
- FROM ' . PRIVMSGS_TO_TABLE . '
- WHERE msg_id = ' . $attachment['post_msg_id'];
- $result = $db->sql_query($sql);
+ // We allow admins having attachment permissions to see orphan attachments...
+ $own_attachment = ($auth->acl_get('a_attach') || $attachment['poster_id'] == $user->data['user_id']) ? true : false;
- $allowed = false;
- while ($user_row = $db->sql_fetchrow($result))
+ if (!$own_attachment || ($attachment['in_message'] && !$auth->acl_get('u_pm_download')) || (!$attachment['in_message'] && !$auth->acl_get('u_download')))
{
- if ($user->data['user_id'] == $user_row['user_id'] || $user->data['user_id'] == $user_row['author_id'])
- {
- $allowed = true;
- break;
- }
- }
- $db->sql_freeresult($result);
-
- if (!$allowed)
- {
- send_status_line(403, 'Forbidden');
+ send_status_line(404, 'Not Found');
trigger_error('ERROR_NO_ATTACHMENT');
}
- }
-
- // disallowed?
- $extensions = array();
- if (!extension_allowed($row['forum_id'], $attachment['extension'], $extensions))
- {
- send_status_line(404, 'Forbidden');
- trigger_error(sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']));
- }
-}
-
-if (!download_allowed())
-{
- send_status_line(403, 'Forbidden');
- trigger_error($user->lang['LINKAGE_FORBIDDEN']);
-}
-
-$download_mode = (int) $extensions[$attachment['extension']]['download_mode'];
-
-// Fetching filename here to prevent sniffing of filename
-$sql = 'SELECT attach_id, is_orphan, in_message, post_msg_id, extension, physical_filename, real_filename, mimetype, filetime
- FROM ' . ATTACHMENTS_TABLE . "
- WHERE attach_id = $download_id";
-$result = $db->sql_query_limit($sql, 1);
-$attachment = $db->sql_fetchrow($result);
-$db->sql_freeresult($result);
-
-if (!$attachment)
-{
- send_status_line(404, 'Not Found');
- trigger_error('ERROR_NO_ATTACHMENT');
-}
-
-$attachment['physical_filename'] = utf8_basename($attachment['physical_filename']);
-$display_cat = $extensions[$attachment['extension']]['display_cat'];
-
-if (($display_cat == ATTACHMENT_CATEGORY_IMAGE || $display_cat == ATTACHMENT_CATEGORY_THUMB) && !$user->optionget('viewimg'))
-{
- $display_cat = ATTACHMENT_CATEGORY_NONE;
-}
-
-if ($display_cat == ATTACHMENT_CATEGORY_FLASH && !$user->optionget('viewflash'))
-{
- $display_cat = ATTACHMENT_CATEGORY_NONE;
-}
-
-if ($thumbnail)
-{
- $attachment['physical_filename'] = 'thumb_' . $attachment['physical_filename'];
-}
-else if (($display_cat == ATTACHMENT_CATEGORY_NONE/* || $display_cat == ATTACHMENT_CATEGORY_IMAGE*/) && !$attachment['is_orphan'])
-{
- // Update download count
- $sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
- SET download_count = download_count + 1
- WHERE attach_id = ' . $attachment['attach_id'];
- $db->sql_query($sql);
-}
-
-if ($display_cat == ATTACHMENT_CATEGORY_IMAGE && $mode === 'view' && (strpos($attachment['mimetype'], 'image') === 0) && (strpos(strtolower($user->browser), 'msie') !== false) && !phpbb_is_greater_ie_version($user->browser, 7))
-{
- wrap_img_in_html(append_sid($phpbb_root_path . 'download/file.' . $phpEx, 'id=' . $attachment['attach_id']), $attachment['real_filename']);
- file_gc();
-}
-else
-{
- // Determine the 'presenting'-method
- if ($download_mode == PHYSICAL_LINK)
- {
- // This presenting method should no longer be used
- if (!@is_dir($phpbb_root_path . $config['upload_path']))
- {
- send_status_line(500, 'Internal Server Error');
- trigger_error($user->lang['PHYSICAL_DOWNLOAD_NOT_POSSIBLE']);
- }
- redirect($phpbb_root_path . $config['upload_path'] . '/' . $attachment['physical_filename']);
- file_gc();
+ // Obtain all extensions...
+ $extensions = $cache->obtain_attach_extensions(true);
}
else
{
- send_file_to_browser($attachment, $config['upload_path'], $display_cat);
- file_gc();
- }
-}
-
-
-/**
-* A simplified function to deliver avatars
-* The argument needs to be checked before calling this function.
-*/
-function send_avatar_to_browser($file, $browser)
-{
- global $config, $phpbb_root_path;
-
- $prefix = $config['avatar_salt'] . '_';
- $image_dir = $config['avatar_path'];
-
- // Adjust image_dir path (no trailing slash)
- if (substr($image_dir, -1, 1) == '/' || substr($image_dir, -1, 1) == '\\')
- {
- $image_dir = substr($image_dir, 0, -1) . '/';
- }
- $image_dir = str_replace(array('../', '..\\', './', '.\\'), '', $image_dir);
-
- if ($image_dir && ($image_dir[0] == '/' || $image_dir[0] == '\\'))
- {
- $image_dir = '';
- }
- $file_path = $phpbb_root_path . $image_dir . '/' . $prefix . $file;
-
- if ((@file_exists($file_path) && @is_readable($file_path)) && !headers_sent())
- {
- header('Pragma: public');
-
- $image_data = @getimagesize($file_path);
- header('Content-Type: ' . image_type_to_mime_type($image_data[2]));
-
- if ((strpos(strtolower($browser), 'msie') !== false) && !phpbb_is_greater_ie_version($browser, 7))
+ if (!$attachment['in_message'])
{
- header('Content-Disposition: attachment; ' . header_filename($file));
+ phpbb_download_handle_forum_auth($db, $auth, $attachment['topic_id']);
- if (strpos(strtolower($browser), 'msie 6.0') !== false)
- {
- header('Expires: -1');
- }
- else
+ $sql = 'SELECT forum_id, post_visibility
+ FROM ' . POSTS_TABLE . '
+ WHERE post_id = ' . (int) $attachment['post_msg_id'];
+ $result = $db->sql_query($sql);
+ $post_row = $db->sql_fetchrow($result);
+ $db->sql_freeresult($result);
+
+ if (!$post_row || ($post_row['post_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $post_row['forum_id'])))
{
- header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
+ // Attachment of a soft deleted post and the user is not allowed to see the post
+ send_status_line(404, 'Not Found');
+ trigger_error('ERROR_NO_ATTACHMENT');
}
}
else
{
- header('Content-Disposition: inline; ' . header_filename($file));
- header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
- }
-
- $size = @filesize($file_path);
- if ($size)
- {
- header("Content-Length: $size");
+ // Attachment is in a private message.
+ $post_row = array('forum_id' => false);
+ phpbb_download_handle_pm_auth($db, $auth, $user->data['user_id'], $attachment['post_msg_id']);
}
- if (@readfile($file_path) == false)
+ $extensions = array();
+ if (!extension_allowed($post_row['forum_id'], $attachment['extension'], $extensions))
{
- $fp = @fopen($file_path, 'rb');
-
- if ($fp !== false)
- {
- while (!feof($fp))
- {
- echo fread($fp, 8192);
- }
- fclose($fp);
- }
+ send_status_line(403, 'Forbidden');
+ trigger_error(sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']));
}
-
- flush();
- }
- else
- {
- send_status_line(404, 'Not Found');
}
-}
-/**
-* Wraps an url into a simple html page. Used to display attachments in IE.
-* this is a workaround for now; might be moved to template system later
-* direct any complaints to 1 Microsoft Way, Redmond
-*/
-function wrap_img_in_html($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>';
-}
+ $download_mode = (int) $extensions[$attachment['extension']]['download_mode'];
+ $display_cat = $extensions[$attachment['extension']]['display_cat'];
-/**
-* 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))
- {
- send_status_line(404, 'Not Found');
- trigger_error('ERROR_NO_ATTACHMENT');
- }
-
- // 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)
+ if (($display_cat == ATTACHMENT_CATEGORY_IMAGE || $display_cat == ATTACHMENT_CATEGORY_THUMB) && !$user->optionget('viewimg'))
{
- $attachment['mimetype'] = (strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false) ? 'application/octetstream' : 'application/octet-stream';
+ $display_cat = ATTACHMENT_CATEGORY_NONE;
}
- if (@ob_get_length())
+ if ($display_cat == ATTACHMENT_CATEGORY_FLASH && !$user->optionget('viewflash'))
{
- @ob_end_clean();
+ $display_cat = ATTACHMENT_CATEGORY_NONE;
}
- // 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($php_errormsg))
- {
- send_status_line(500, 'Internal Server Error');
- trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
- }
-
- send_status_line(500, 'Internal Server Error');
- trigger_error('UNABLE_TO_DELIVER_FILE');
- }
-
- // Now the tricky part... let's dance
- header('Pragma: public');
-
/**
- * Commented out X-Sendfile support. To not expose the physical filename within the header if xsendfile is absent we need to look into methods of checking it's status.
- *
- * Try X-Sendfile since it is much more server friendly - only works if the path is *not* outside of the root path...
- * lighttpd has core support for it. An apache2 module is available at http://celebnamer.celebworld.ws/stuff/mod_xsendfile/
+ * Event to modify data before sending file to browser
*
- * Not really ideal, but should work fine...
- * <code>
- * if (strpos($upload_dir, '/') !== 0 && strpos($upload_dir, '../') === false)
- * {
- * header('X-Sendfile: ' . $filename);
- * }
- * </code>
+ * @event core.download_file_send_to_browser_before
+ * @var int attach_id The attachment ID
+ * @var array attachment Array with attachment data
+ * @var int display_cat Attachment category
+ * @var int download_mode File extension specific download mode
+ * @var array extensions Array with file extensions data
+ * @var string mode Download mode
+ * @var bool thumbnail Flag indicating if the file is a thumbnail
+ * @since 3.1.6-RC1
+ * @changed 3.1.7-RC1 Fixing wrong name of a variable (replacing "extension" by "extensions")
*/
+ $vars = array(
+ 'attach_id',
+ 'attachment',
+ 'display_cat',
+ 'download_mode',
+ 'extensions',
+ 'mode',
+ 'thumbnail',
+ );
+ extract($phpbb_dispatcher->trigger_event('core.download_file_send_to_browser_before', compact($vars)));
- // Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
- header('Content-Type: ' . $attachment['mimetype']);
-
- if (phpbb_is_greater_ie_version($user->browser, 7))
- {
- 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) || ((strpos(strtolower($user->browser), 'msie') !== false) && !phpbb_is_greater_ie_version($user->browser, 7)))
- {
- 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($attachment['real_filename'])));
- if (phpbb_is_greater_ie_version($user->browser, 7) && (strpos($attachment['mimetype'], 'image') !== 0))
- {
- header('X-Download-Options: noopen');
- }
- }
- }
-
- // Close the db connection before sending the file
- $db->sql_close();
-
- if (!set_modified_headers($attachment['filetime'], $user->browser))
- {
- // Send Content-Length only if set_modified_headers() does not send
- // status 304 - Not Modified
- if ($size)
- {
- header("Content-Length: $size");
- }
-
- // 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)
+ if ($thumbnail)
{
- return "filename=" . rawurlencode($file);
+ $attachment['physical_filename'] = 'thumb_' . $attachment['physical_filename'];
}
-
- // follow the RFC for extended filename for the rest
- return "filename*=UTF-8''" . rawurlencode($file);
-}
-
-/**
-* Check if downloading item is allowed
-*/
-function download_allowed()
-{
- global $config, $user, $db;
-
- if (!$config['secure_downloads'])
+ else if ($display_cat == ATTACHMENT_CATEGORY_NONE && !$attachment['is_orphan'] && !phpbb_http_byte_range($attachment['filesize']))
{
- return true;
+ // Update download count
+ phpbb_increment_downloads($db, $attachment['attach_id']);
}
- $url = (!empty($_SERVER['HTTP_REFERER'])) ? trim($_SERVER['HTTP_REFERER']) : trim(getenv('HTTP_REFERER'));
-
- if (!$url)
+ if ($display_cat == ATTACHMENT_CATEGORY_IMAGE && $mode === 'view' && (strpos($attachment['mimetype'], 'image') === 0) && (strpos(strtolower($user->browser), 'msie') !== false) && !phpbb_is_greater_ie_version($user->browser, 7))
{
- 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;
+ wrap_img_in_html(append_sid($phpbb_root_path . 'download/file.' . $phpEx, 'id=' . $attachment['attach_id']), $attachment['real_filename']);
+ file_gc();
}
-
- $hostname = $url['host'];
- unset($url);
-
- $allowed = ($config['secure_allow_deny']) ? false : true;
- $iplist = array();
-
- if (($ip_ary = @gethostbynamel($hostname)) !== false)
+ else
{
- foreach ($ip_ary as $ip)
+ // Determine the 'presenting'-method
+ if ($download_mode == PHYSICAL_LINK)
{
- if ($ip)
+ // This presenting method should no longer be used
+ if (!@is_dir($phpbb_root_path . $config['upload_path']))
{
- $iplist[] = $ip;
+ send_status_line(500, 'Internal Server Error');
+ trigger_error($user->lang['PHYSICAL_DOWNLOAD_NOT_POSSIBLE']);
}
- }
- }
-
- // 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 && !phpbb_is_greater_ie_version($browser, 7))
- {
- if ($last_load !== false && $last_load >= $stamp)
- {
- send_status_line(304, 'Not Modified');
- // seems that we need those too ... browsers
- header('Pragma: public');
- header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 31536000));
- return true;
+ redirect($phpbb_root_path . $config['upload_path'] . '/' . $attachment['physical_filename']);
+ file_gc();
}
else
{
- header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $stamp) . ' GMT');
+ send_file_to_browser($attachment, $config['upload_path'], $display_cat);
+ file_gc();
}
}
- return false;
-}
-
-function file_gc()
-{
- global $cache, $db;
- if (!empty($cache))
- {
- $cache->unload();
- }
- $db->sql_close();
- exit;
-}
-
-/**
-* Check if the browser is internet explorer version 7+
-*
-* @param string $user_agent User agent HTTP header
-* @param int $version IE version to check against
-*
-* @return bool true if internet explorer version is greater than $version
-*/
-function phpbb_is_greater_ie_version($user_agent, $version)
-{
- if (preg_match('/msie (\d+)/', strtolower($user_agent), $matches))
- {
- $ie_version = (int) $matches[1];
- return ($ie_version > $version);
- }
- else
- {
- return false;
- }
}
-
-?> \ No newline at end of file