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107 lines
3.9 KiB
107 lines
3.9 KiB
<?php
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/* For licensing terms, see /license.txt */
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require_once __DIR__.'/../inc/global.inc.php';
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$_course = api_get_course_info();
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// the dropbox file that contains additional functions
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require_once 'dropbox_functions.inc.php';
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/* DOWNLOAD A FOLDER */
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$course_id = api_get_course_int_id();
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$user_id = api_get_user_id();
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if (isset($_GET['cat_id']) &&
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is_numeric($_GET['cat_id']) &&
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'downloadcategory' == $_GET['action'] &&
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isset($_GET['sent_received'])
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) {
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/** step 1: constructing the sql statement.
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Therefore we have to create to separate sql statements to find which files are in the category
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(depending if we zip-download a sent category or a received category)*/
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if ('sent' == $_GET['sent_received']) {
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// here we also incorporate the person table to make sure that deleted sent documents are not included.
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$sql = "SELECT DISTINCT file.id, file.filename, file.title
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FROM ".Database::get_course_table(TABLE_DROPBOX_FILE)." file
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INNER JOIN ".Database::get_course_table(TABLE_DROPBOX_PERSON)." person
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ON (person.file_id=file.id AND file.c_id = $course_id AND person.c_id = $course_id)
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WHERE
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file.uploader_id = $user_id AND
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file.cat_id='".intval($_GET['cat_id'])."' AND
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person.user_id = $user_id";
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}
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if ('received' == $_GET['sent_received']) {
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$sql = "SELECT DISTINCT file.id, file.filename, file.title
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FROM ".Database::get_course_table(TABLE_DROPBOX_FILE)." file
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INNER JOIN ".Database::get_course_table(TABLE_DROPBOX_PERSON)." person
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ON (person.file_id=file.id AND file.c_id = $course_id AND person.c_id = $course_id)
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INNER JOIN ".Database::get_course_table(TABLE_DROPBOX_POST)." post
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ON (post.file_id = file.id AND post.c_id = $course_id AND file.c_id = $course_id)
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WHERE
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post.cat_id = ".intval($_GET['cat_id'])." AND
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post.dest_user_id = $user_id";
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}
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$files_to_download = [];
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result)) {
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$files_to_download[] = $row['id'];
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}
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if (!is_array($files_to_download) || empty($files_to_download)) {
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header('Location: index.php?'.api_get_cidreq().'&view='.Security::remove_XSS($_GET['sent_received']).'&error=ErrorNoFilesInFolder');
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exit;
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}
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zip_download($files_to_download);
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exit;
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}
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/* DOWNLOAD A FILE */
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/* AUTHORIZATION */
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// Check if the id makes sense
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if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
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api_not_allowed(true);
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exit;
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}
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// Check if the user is allowed to download the file
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$allowed_to_download = false;
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if (user_can_download_file($_GET['id'], api_get_user_id())) {
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$allowed_to_download = true;
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}
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/* ERROR IF NOT ALLOWED TO DOWNLOAD */
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if (!$allowed_to_download) {
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api_not_allowed(
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true,
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Display::return_message(
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get_lang('You are not allowed to download this file.'),
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'error'
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)
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);
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exit;
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} else {
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/* DOWNLOAD THE FILE */
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// the user is allowed to download the file
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$_SESSION['_seen'][$_course['id']][TOOL_DROPBOX][] = intval($_GET['id']);
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$work = new Dropbox_Work($_GET['id']);
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//path to file as stored on server
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$path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/dropbox/'.$work->filename;
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if (!Security::check_abs_path(
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$path,
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api_get_path(SYS_COURSE_PATH).$_course['path'].'/dropbox/'
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)
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) {
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api_not_allowed(true);
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}
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$file = $work->title;
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$result = DocumentManager::file_send_for_download($path, true, $file);
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if (false === $result) {
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api_not_allowed(true);
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}
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exit;
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}
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//@todo clean this file the code below is useless there are 2 exits in previous conditions ... maybe a bad copy/paste/merge?
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exit;
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