123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219 |
- <?php
- require_once __DIR__.'/../inc/global.inc.php';
- api_protect_course_script();
- api_block_anonymous_users();
- if ($_user['user_id'] != api_get_user_id() || api_get_user_id() == 0 || $_user['user_id'] == 0) {
- api_not_allowed();
- die();
- }
- if (!isset($_GET['title']) || !isset($_GET['type']) || !isset($_GET['image'])) {
- api_not_allowed();
- die();
- }
- if (!isset($_SESSION['paint_dir']) || !isset($_SESSION['whereami'])) {
- api_not_allowed();
- die();
- }
- $filename = Security::remove_XSS($_GET['title']);
- $extension = Security::remove_XSS($_GET['type']);
- $urlcontents = Security::remove_XSS($_GET['image']);
- $title = Database::escape_string(str_replace('_', ' ', $filename));
- $current_session_id = api_get_session_id();
- $groupId = api_get_group_id();
- $groupInfo = GroupManager::get_group_properties($groupId);
- $relativeUrlPath = $_SESSION['paint_dir'];
- $currentTool = $_SESSION['whereami'];
- $dirBaseDocuments = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
- $saveDir = $dirBaseDocuments.$_SESSION['paint_dir'];
- $contents = file_get_contents($urlcontents);
- $filename = addslashes(trim($filename));
- $filename = Security::remove_XSS($filename);
- $filename = api_replace_dangerous_char($filename);
- $filename = disable_dangerous_file($filename);
- if (strlen(trim($filename)) == 0) {
- echo "The title is empty";
- exit;
- }
- if ($contents === false) {
- echo "I cannot read: ".$urlcontents;
- exit;
- }
- if ($extension != 'jpg' && $extension != 'png' && $extension != 'pxd') {
- die();
- }
- if ($extension == 'pxd') {
- echo "pxd file type does not supported";
- exit;
- }
- $headers = get_headers($urlcontents, 1);
- $content_type = explode("/", $headers['Content-Type']);
- if ($content_type[0] != "image") {
- echo "Invalid file type";
- exit;
- }
- $finfo = new finfo(FILEINFO_MIME);
- $current_mime = $finfo->buffer($contents);
- if (strpos($current_mime, 'image') === false) {
- echo "Invalid mime type file";
- exit;
- }
- $paintFileName = $filename.'.'.$extension;
- $title = $title.'.'.$extension;
- if ($currentTool == 'document/createpaint') {
-
- if (0 != $groupId) {
- $group_properties = GroupManager :: get_group_properties($groupId);
- $groupPath = $group_properties['directory'];
- } else {
- $groupPath = '';
- }
- if (file_exists($saveDir.'/'.$filename.'.'.$extension)) {
- $i = 1;
- while (file_exists($saveDir.'/'.$filename.'_'.$i.'.'.$extension)) $i++;
- $paintFileName = $filename.'_'.$i.'.'.$extension;
- $title = $filename.'_'.$i.'.'.$extension;
- }
-
- $documentPath = $saveDir.'/'.$paintFileName;
-
- file_put_contents($documentPath, $contents);
-
- $doc_id = add_document($_course, $relativeUrlPath.'/'.$paintFileName, 'file', filesize($documentPath), $title);
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $doc_id,
- 'DocumentAdded',
- $_user['user_id'],
- $groupInfo,
- null,
- null,
- null,
- $current_session_id
- );
- } elseif ($currentTool == 'document/editpaint') {
- $documentPath = $saveDir.'/'.$paintFileName;
-
- file_put_contents($documentPath, $contents);
-
- if (!isset($_SESSION['paint_file'])) {
- api_not_allowed();
- die();
- }
- if ($_SESSION['paint_file'] == $paintFileName) {
- $document_id = DocumentManager::get_document_id($_course, $relativeUrlPath.'/'.$paintFileName);
- update_existing_document($_course, $document_id, filesize($documentPath), null);
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $document_id,
- 'DocumentUpdated',
- $_user['user_id'],
- $groupInfo,
- null,
- null,
- null,
- $current_session_id
- );
- } else {
-
- $doc_id = add_document(
- $_course,
- $relativeUrlPath.'/'.$paintFileName,
- 'file',
- filesize($documentPath),
- $title
- );
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $doc_id,
- 'DocumentAdded',
- $_user['user_id'],
- $groupInfo,
- null,
- null,
- null,
- $current_session_id
- );
- }
- }
- $temp_file_2delete = $_SESSION['temp_realpath_image'];
- unlink($temp_file_2delete);
- unset($_SESSION['paint_dir']);
- unset($_SESSION['paint_file']);
- unset($_SESSION['whereami']);
- unset($_SESSION['temp_realpath_image']);
- if (!isset($_SESSION['exit_pixlr'])) {
- $location = api_get_path(WEB_CODE_PATH).'document/document.php';
- echo '<script>window.parent.location.href="'.$location.'"</script>';
- api_not_allowed(true);
- } else {
- echo '<div align="center" style="padding-top:150; font-family:Arial, Helvetica, Sans-serif;font-size:25px;color:#aaa;font-weight:bold;">'.get_lang('PleaseStandBy').'</div>';
- $location = api_get_path(WEB_CODE_PATH).'document/document.php?id='.Security::remove_XSS($_SESSION['exit_pixlr']);
- echo '<script>window.parent.location.href="'.$location.'"</script>';
- unset($_SESSION['exit_pixlr']);
- }
|