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<?php // $Id: download.php 12218 2007-05-01 18:27:14Z yannoo $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2008 Dokeos SPRL
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
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info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* This file is responsible for passing requested documents to the browser.
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* Html files are parsed to fix a few problems with URLs,
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* but this code will hopefully be replaced soon by an Apache URL
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* rewrite mechanism.
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*
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* @package dokeos.document
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==============================================================================
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*/
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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session_cache_limiter('public');
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include('../inc/global.inc.php');
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$this_section=SECTION_COURSES;
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include(api_get_path(LIBRARY_PATH).'document.lib.php');
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require_once('forumconfig.inc.php');
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// IMPORTANT to avoid caching of documents
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
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header('Cache-Control: public');
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header('Pragma: no-cache');
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//protection
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api_protect_course_script(true);
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$doc_url = $_GET['file'];
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//change the '&' that got rewritten to '///' by mod_rewrite back to '&'
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$doc_url = str_replace('///', '&', $doc_url);
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//still a space present? it must be a '+' (that got replaced by mod_rewrite)
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$doc_url = str_replace(' ', '+', $doc_url);
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$doc_url = str_replace('/..', '', $doc_url); //echo $doc_url;
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if (! isset($_course))
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{
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api_not_allowed(true);
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}
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$full_file_name = api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/forum/'.$doc_url;
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//if the rewrite rule asks for a directory, we redirect to the document explorer
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if (is_dir($full_file_name))
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{
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//remove last slash if present
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//$doc_url = ($doc_url{strlen($doc_url)-1}=='/')?substr($doc_url,0,strlen($doc_url)-1):$doc_url;
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//mod_rewrite can change /some/path/ to /some/path// in some cases, so clean them all off (Ren<EFBFBD>)
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while ($doc_url{$dul = strlen($doc_url)-1}=='/') $doc_url = substr($doc_url,0,$dul);
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//create the path
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$document_explorer = api_get_path(WEB_COURSE_PATH).api_get_course_path(); // home course path
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//redirect
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header('Location: '.$document_explorer);
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}
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$tbl_forum_attachment = Database::get_course_table(TABLE_FORUM_ATTACHMENT);
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$tbl_forum_post = Database::get_course_table(TABLE_FORUM_POST);
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// launch event
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event_download($doc_url);
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$sql='SELECT thread_id, forum_id,filename FROM '.$tbl_forum_post.' f INNER JOIN '.$tbl_forum_attachment.' a
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ON a.post_id=f.post_id WHERE path LIKE BINARY "'.$doc_url.'"';
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$result= Database::query($sql, __FILE__, __LINE__);
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$row= Database::fetch_array($result);
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$forum_thread_visibility=api_get_item_visibility(api_get_course_info($course_code),TOOL_FORUM_THREAD,$row['thread_id']);
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$forum_forum_visibility=api_get_item_visibility(api_get_course_info($course_code),TOOL_FORUM,$row['forum_id']);
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if ($forum_thread_visibility==1 && $forum_forum_visibility==1)
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{
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DocumentManager::file_send_for_download($full_file_name,TRUE, $row['filename']);
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}
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exit;
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?>
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