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70 lines
2.2 KiB
70 lines
2.2 KiB
<?php
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/* For licensing terms, see /license.txt */
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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 chamilo.blogs
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*/
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/**
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* MAIN CODE
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*/
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session_cache_limiter('public');
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require_once '../inc/global.inc.php';
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$this_section=SECTION_COURSES;
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// IMPORTANT to avoid caching of documents
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
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header('Cache-Control: public');
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header('Pragma: no-cache');
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//protection
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api_protect_course_script(true);
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$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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api_not_allowed(true);
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}
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$full_file_name = api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/blog/'.$doc_url;
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//if the rewrite rule asks for a directory, we redirect to the course view
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if (is_dir($full_file_name)) {
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//remove last slash if present
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while ($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: '.$document_explorer);
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exit;
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}
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$tbl_blogs_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
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$course_id = api_get_course_int_id();
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// launch event
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Event::event_download($doc_url);
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$sql = 'SELECT filename FROM '.$tbl_blogs_attachment.'
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WHERE c_id = '.$course_id.' AND path LIKE BINARY "'.Database::escape_string($doc_url).'"';
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$row = Database::fetch_array($result);
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if (Security::check_abs_path($full_file_name, api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/blog/')) {
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DocumentManager::file_send_for_download(
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$full_file_name,
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true,
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$row['filename']
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);
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}
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}
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exit;
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