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+<?php
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+/* For licensing terms, see /dokeos_license.txt */
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+/**
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+==============================================================================
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+* This file is responsible for passing requested file attachments from messages
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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.messages
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+==============================================================================
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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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+
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+session_cache_limiter('public');
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+
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+require_once '../inc/global.inc.php';
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+require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
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+require_once api_get_path(LIBRARY_PATH).'document.lib.php';
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+
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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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+
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+$file_url = $_GET['file'];
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+//change the '&' that got rewritten to '///' by mod_rewrite back to '&'
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+$file_url = str_replace('///', '&', $file_url);
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+//still a space present? it must be a '+' (that got replaced by mod_rewrite)
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+$file_url = str_replace(' ', '+', $file_url);
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+$file_url = str_replace('/..', '', $file_url); //echo $doc_url;
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+
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+$tbl_messsage = Database::get_main_table(TABLE_MESSAGE);
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+$tbl_messsage_attachment = Database::get_main_table(TABLE_MESSAGE_ATTACHMENT);
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+
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+$sql= "SELECT filename,message_id FROM $tbl_messsage_attachment WHERE path LIKE BINARY '$file_url'";
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+
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+$result= Database::query($sql, __FILE__, __LINE__);
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+$row= Database::fetch_array($result);
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+$title = str_replace(' ','_', $row['filename']);
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+$message_id = $row['message_id'];
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+
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+// allow download only for user sender and user receiver
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+$sql = "SELECT user_sender_id, user_receiver_id FROM $tbl_messsage WHERE id = '$message_id'";
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+$rs= Database::query($sql, __FILE__, __LINE__);
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+$row_users= Database::fetch_row($rs);
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+
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+$current_uid = api_get_user_id();
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+if (!in_array($current_uid,$row_users)) {
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+ api_not_allowed();
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+ exit;
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+}
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+
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+$message_uid = '';
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+$message_type = array('inbox','outbox');
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+if (in_array($_GET['type'],$message_type)) {
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+ if ($_GET['type'] == 'inbox') {
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+ $message_uid = $row_users[1];
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+ } else {
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+ $message_uid = $row_users[0];
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+ }
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+}
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+
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+$path_user_info = UserManager::get_user_picture_path_by_id($message_uid, 'system', true);
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+$full_file_name = $path_user_info['dir'].'message_attachments/'.$file_url;
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+
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+// launch event
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+event_download($file_url);
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+DocumentManager::file_send_for_download($full_file_name,TRUE, $title);
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+exit;
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+?>
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