/**
* Validate incoming data.
*
* @param array $data
* @param array $files
* @return array
*/
public function validation($data, $files)
{
$errors = array();
$draftitemid = $data['files_filemanager'];
if (file_is_draft_area_limit_reached($draftitemid, $this->_customdata['options']['areamaxbytes'])) {
$errors['files_filemanager'] = get_string('userquotalimit', 'error');
}
return $errors;
}
function validation($data, $files)
{
$errors = [];
$draftitemid = $data['files_filemanager'];
if (file_is_draft_area_limit_reached($draftitemid, $this->_customdata['options']['areamaxbytes'])) {
$errors['files_filemanager'] = get_string('userquotalimit', 'error');
}
if (!trim($data['cliptitle'])) {
$errors['cliptitle'] = get_string('video_title_mandatory', 'opencast');
}
return $errors;
}
/**
* Do the actual processing of the uploaded file
* @param string $saveas_filename name to give to the file
* @param int $maxbytes maximum file size
* @param mixed $types optional array of file extensions that are allowed or '*' for all
* @param string $savepath optional path to save the file to
* @param int $itemid optional the ID for this item within the file area
* @param string $license optional the license to use for this file
* @param string $author optional the name of the author of this file
* @param bool $overwriteexisting optional user has asked to overwrite the existing file
* @param int $areamaxbytes maximum size of the file area.
* @return object containing details of the file uploaded
*/
public function process_upload($saveas_filename, $maxbytes, $types = '*', $savepath = '/', $itemid = 0, $license = null, $author = '', $overwriteexisting = false, $areamaxbytes = FILE_AREA_MAX_BYTES_UNLIMITED)
{
global $USER, $CFG;
if (is_array($types) and in_array('*', $types) or $types == '*') {
$this->mimetypes = '*';
} else {
foreach ($types as $type) {
$this->mimetypes[] = mimeinfo('type', $type);
}
}
if ($license == null) {
$license = $CFG->sitedefaultlicense;
}
$record = new stdClass();
$record->filearea = 'draft';
$record->component = 'user';
$record->filepath = $savepath;
$record->itemid = $itemid;
$record->license = $license;
$record->author = $author;
$context = context_user::instance($USER->id);
$elname = 'repo_upload_file';
$fs = get_file_storage();
$sm = get_string_manager();
if ($record->filepath !== '/') {
$record->filepath = file_correct_filepath($record->filepath);
}
if (!isset($_FILES[$elname])) {
throw new moodle_exception('nofile');
}
if (!empty($_FILES[$elname]['error'])) {
switch ($_FILES[$elname]['error']) {
case UPLOAD_ERR_INI_SIZE:
throw new moodle_exception('upload_error_ini_size', 'repository_upload');
break;
case UPLOAD_ERR_FORM_SIZE:
throw new moodle_exception('upload_error_form_size', 'repository_upload');
break;
case UPLOAD_ERR_PARTIAL:
throw new moodle_exception('upload_error_partial', 'repository_upload');
break;
case UPLOAD_ERR_NO_FILE:
throw new moodle_exception('upload_error_no_file', 'repository_upload');
break;
case UPLOAD_ERR_NO_TMP_DIR:
throw new moodle_exception('upload_error_no_tmp_dir', 'repository_upload');
break;
case UPLOAD_ERR_CANT_WRITE:
throw new moodle_exception('upload_error_cant_write', 'repository_upload');
break;
case UPLOAD_ERR_EXTENSION:
throw new moodle_exception('upload_error_extension', 'repository_upload');
break;
default:
throw new moodle_exception('nofile');
}
}
\core\antivirus\manager::scan_file($_FILES[$elname]['tmp_name'], $_FILES[$elname]['name'], true);
// {@link repository::build_source_field()}
$sourcefield = $this->get_file_source_info($_FILES[$elname]['name']);
$record->source = self::build_source_field($sourcefield);
if (empty($saveas_filename)) {
$record->filename = clean_param($_FILES[$elname]['name'], PARAM_FILE);
} else {
$ext = '';
$match = array();
$filename = clean_param($_FILES[$elname]['name'], PARAM_FILE);
if (strpos($filename, '.') === false) {
// File has no extension at all - do not add a dot.
$record->filename = $saveas_filename;
} else {
if (preg_match('/\\.([a-z0-9]+)$/i', $filename, $match)) {
if (isset($match[1])) {
$ext = $match[1];
}
}
$ext = !empty($ext) ? $ext : '';
if (preg_match('#\\.(' . $ext . ')$#i', $saveas_filename)) {
// saveas filename contains file extension already
$record->filename = $saveas_filename;
} else {
$record->filename = $saveas_filename . '.' . $ext;
}
}
}
// Check the file has some non-null contents - usually an indication that a user has
// tried to upload a folder by mistake
if (!$this->check_valid_contents($_FILES[$elname]['tmp_name'])) {
throw new moodle_exception('upload_error_invalid_file', 'repository_upload', '', $record->filename);
}
if ($this->mimetypes != '*') {
// check filetype
$filemimetype = file_storage::mimetype($_FILES[$elname]['tmp_name'], $record->filename);
if (!in_array($filemimetype, $this->mimetypes)) {
throw new moodle_exception('invalidfiletype', 'repository', '', get_mimetype_description(array('filename' => $_FILES[$elname]['name'])));
}
}
if (empty($record->itemid)) {
$record->itemid = 0;
}
if ($maxbytes !== -1 && filesize($_FILES[$elname]['tmp_name']) > $maxbytes) {
$maxbytesdisplay = display_size($maxbytes);
throw new file_exception('maxbytesfile', (object) array('file' => $record->filename, 'size' => $maxbytesdisplay));
}
if (file_is_draft_area_limit_reached($record->itemid, $areamaxbytes, filesize($_FILES[$elname]['tmp_name']))) {
throw new file_exception('maxareabytes');
}
$record->contextid = $context->id;
$record->userid = $USER->id;
if (repository::draftfile_exists($record->itemid, $record->filepath, $record->filename)) {
$existingfilename = $record->filename;
$unused_filename = repository::get_unused_filename($record->itemid, $record->filepath, $record->filename);
$record->filename = $unused_filename;
$stored_file = $fs->create_file_from_pathname($record, $_FILES[$elname]['tmp_name']);
if ($overwriteexisting) {
repository::overwrite_existing_draftfile($record->itemid, $record->filepath, $existingfilename, $record->filepath, $record->filename);
$record->filename = $existingfilename;
} else {
$event = array();
$event['event'] = 'fileexists';
$event['newfile'] = new stdClass();
$event['newfile']->filepath = $record->filepath;
$event['newfile']->filename = $unused_filename;
$event['newfile']->url = moodle_url::make_draftfile_url($record->itemid, $record->filepath, $unused_filename)->out(false);
$event['existingfile'] = new stdClass();
$event['existingfile']->filepath = $record->filepath;
$event['existingfile']->filename = $existingfilename;
$event['existingfile']->url = moodle_url::make_draftfile_url($record->itemid, $record->filepath, $existingfilename)->out(false);
return $event;
}
} else {
$stored_file = $fs->create_file_from_pathname($record, $_FILES[$elname]['tmp_name']);
}
return array('url' => moodle_url::make_draftfile_url($record->itemid, $record->filepath, $record->filename)->out(false), 'id' => $record->itemid, 'file' => $record->filename);
}
/**
* This function is used to copy a moodle file to draft area.
*
* It DOES NOT check if the user is allowed to access this file because the actual file
* can be located in the area where user does not have access to but there is an alias
* to this file in the area where user CAN access it.
* {@link file_is_accessible} should be called for alias location before calling this function.
*
* @param string $source The metainfo of file, it is base64 encoded php serialized data
* @param stdClass|array $filerecord contains itemid, filepath, filename and optionally other
* attributes of the new file
* @param int $maxbytes maximum allowed size of file, -1 if unlimited. If size of file exceeds
* the limit, the file_exception is thrown.
* @param int $areamaxbytes the maximum size of the area. A file_exception is thrown if the
* new file will reach the limit.
* @return array The information about the created file
*/
public function copy_to_area($source, $filerecord, $maxbytes = -1, $areamaxbytes = FILE_AREA_MAX_BYTES_UNLIMITED)
{
global $USER;
$fs = get_file_storage();
if ($this->has_moodle_files() == false) {
throw new coding_exception('Only repository used to browse moodle files can use repository::copy_to_area()');
}
$user_context = context_user::instance($USER->id);
$filerecord = (array) $filerecord;
// make sure the new file will be created in user draft area
$filerecord['component'] = 'user';
$filerecord['filearea'] = 'draft';
$filerecord['contextid'] = $user_context->id;
$draftitemid = $filerecord['itemid'];
$new_filepath = $filerecord['filepath'];
$new_filename = $filerecord['filename'];
// the file needs to copied to draft area
$stored_file = self::get_moodle_file($source);
if ($maxbytes != -1 && $stored_file->get_filesize() > $maxbytes) {
throw new file_exception('maxbytes');
}
// Validate the size of the draft area.
if (file_is_draft_area_limit_reached($draftitemid, $areamaxbytes, $stored_file->get_filesize())) {
throw new file_exception('maxareabytes');
}
if (repository::draftfile_exists($draftitemid, $new_filepath, $new_filename)) {
// create new file
$unused_filename = repository::get_unused_filename($draftitemid, $new_filepath, $new_filename);
$filerecord['filename'] = $unused_filename;
$fs->create_file_from_storedfile($filerecord, $stored_file);
$event = array();
$event['event'] = 'fileexists';
$event['newfile'] = new stdClass();
$event['newfile']->filepath = $new_filepath;
$event['newfile']->filename = $unused_filename;
$event['newfile']->url = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $unused_filename)->out();
$event['existingfile'] = new stdClass();
$event['existingfile']->filepath = $new_filepath;
$event['existingfile']->filename = $new_filename;
$event['existingfile']->url = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $new_filename)->out();
return $event;
} else {
$fs->create_file_from_storedfile($filerecord, $stored_file);
$info = array();
$info['itemid'] = $draftitemid;
$info['file'] = $new_filename;
$info['title'] = $new_filename;
$info['contextid'] = $user_context->id;
$info['url'] = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $new_filename)->out();
$info['filesize'] = $stored_file->get_filesize();
return $info;
}
}
/**
* Saves files from a draft file area to a real one (merging the list of files).
* Can rewrite URLs in some content at the same time if desired.
*
* @category files
* @global stdClass $USER
* @param int $draftitemid the id of the draft area to use. Normally obtained
* from file_get_submitted_draft_itemid('elementname') or similar.
* @param int $contextid This parameter and the next two identify the file area to save to.
* @param string $component
* @param string $filearea indentifies the file area.
* @param int $itemid helps identifies the file area.
* @param array $options area options (subdirs=>false, maxfiles=-1, maxbytes=0)
* @param string $text some html content that needs to have embedded links rewritten
* to the @@PLUGINFILE@@ form for saving in the database.
* @param bool $forcehttps force https urls.
* @return string|null if $text was passed in, the rewritten $text is returned. Otherwise NULL.
*/
function file_save_draft_area_files($draftitemid, $contextid, $component, $filearea, $itemid, array $options = null, $text = null, $forcehttps = false)
{
global $USER;
$usercontext = context_user::instance($USER->id);
$fs = get_file_storage();
$options = (array) $options;
if (!isset($options['subdirs'])) {
$options['subdirs'] = false;
}
if (!isset($options['maxfiles'])) {
$options['maxfiles'] = -1;
// unlimited
}
if (!isset($options['maxbytes']) || $options['maxbytes'] == USER_CAN_IGNORE_FILE_SIZE_LIMITS) {
$options['maxbytes'] = 0;
// unlimited
}
if (!isset($options['areamaxbytes'])) {
$options['areamaxbytes'] = FILE_AREA_MAX_BYTES_UNLIMITED;
// Unlimited.
}
$allowreferences = true;
if (isset($options['return_types']) && !($options['return_types'] & FILE_REFERENCE)) {
// we assume that if $options['return_types'] is NOT specified, we DO allow references.
// this is not exactly right. BUT there are many places in code where filemanager options
// are not passed to file_save_draft_area_files()
$allowreferences = false;
}
// Check if the draft area has exceeded the authorised limit. This should never happen as validation
// should have taken place before, unless the user is doing something nauthly. If so, let's just not save
// anything at all in the next area.
if (file_is_draft_area_limit_reached($draftitemid, $options['areamaxbytes'])) {
return null;
}
$draftfiles = $fs->get_area_files($usercontext->id, 'user', 'draft', $draftitemid, 'id');
$oldfiles = $fs->get_area_files($contextid, $component, $filearea, $itemid, 'id');
// One file in filearea means it is empty (it has only top-level directory '.').
if (count($draftfiles) > 1 || count($oldfiles) > 1) {
// we have to merge old and new files - we want to keep file ids for files that were not changed
// we change time modified for all new and changed files, we keep time created as is
$newhashes = array();
$filecount = 0;
foreach ($draftfiles as $file) {
if (!$options['subdirs'] && $file->get_filepath() !== '/') {
continue;
}
if (!$allowreferences && $file->is_external_file()) {
continue;
}
if (!$file->is_directory()) {
if ($options['maxbytes'] and $options['maxbytes'] < $file->get_filesize()) {
// oversized file - should not get here at all
continue;
}
if ($options['maxfiles'] != -1 and $options['maxfiles'] <= $filecount) {
// more files - should not get here at all
continue;
}
$filecount++;
}
$newhash = $fs->get_pathname_hash($contextid, $component, $filearea, $itemid, $file->get_filepath(), $file->get_filename());
$newhashes[$newhash] = $file;
}
// Loop through oldfiles and decide which we need to delete and which to update.
// After this cycle the array $newhashes will only contain the files that need to be added.
foreach ($oldfiles as $oldfile) {
$oldhash = $oldfile->get_pathnamehash();
if (!isset($newhashes[$oldhash])) {
// delete files not needed any more - deleted by user
$oldfile->delete();
continue;
}
$newfile = $newhashes[$oldhash];
// Now we know that we have $oldfile and $newfile for the same path.
// Let's check if we can update this file or we need to delete and create.
if ($newfile->is_directory()) {
// Directories are always ok to just update.
} else {
if (($source = @unserialize($newfile->get_source())) && isset($source->original)) {
// File has the 'original' - we need to update the file (it may even have not been changed at all).
$original = file_storage::unpack_reference($source->original);
if ($original['filename'] !== $oldfile->get_filename() || $original['filepath'] !== $oldfile->get_filepath()) {
// Very odd, original points to another file. Delete and create file.
$oldfile->delete();
continue;
}
} else {
// The same file name but absence of 'original' means that file was deteled and uploaded again.
// By deleting and creating new file we properly manage all existing references.
$oldfile->delete();
continue;
}
}
// status changed, we delete old file, and create a new one
if ($oldfile->get_status() != $newfile->get_status()) {
// file was changed, use updated with new timemodified data
$oldfile->delete();
// This file will be added later
continue;
}
// Updated author
if ($oldfile->get_author() != $newfile->get_author()) {
$oldfile->set_author($newfile->get_author());
}
// Updated license
if ($oldfile->get_license() != $newfile->get_license()) {
$oldfile->set_license($newfile->get_license());
}
// Updated file source
// Field files.source for draftarea files contains serialised object with source and original information.
// We only store the source part of it for non-draft file area.
$newsource = $newfile->get_source();
if ($source = @unserialize($newfile->get_source())) {
$newsource = $source->source;
}
if ($oldfile->get_source() !== $newsource) {
$oldfile->set_source($newsource);
}
// Updated sort order
if ($oldfile->get_sortorder() != $newfile->get_sortorder()) {
$oldfile->set_sortorder($newfile->get_sortorder());
}
// Update file timemodified
if ($oldfile->get_timemodified() != $newfile->get_timemodified()) {
$oldfile->set_timemodified($newfile->get_timemodified());
}
// Replaced file content
if (!$oldfile->is_directory() && ($oldfile->get_contenthash() != $newfile->get_contenthash() || $oldfile->get_filesize() != $newfile->get_filesize() || $oldfile->get_referencefileid() != $newfile->get_referencefileid() || $oldfile->get_userid() != $newfile->get_userid())) {
$oldfile->replace_file_with($newfile);
}
// unchanged file or directory - we keep it as is
unset($newhashes[$oldhash]);
}
// Add fresh file or the file which has changed status
// the size and subdirectory tests are extra safety only, the UI should prevent it
foreach ($newhashes as $file) {
$file_record = array('contextid' => $contextid, 'component' => $component, 'filearea' => $filearea, 'itemid' => $itemid, 'timemodified' => time());
if ($source = @unserialize($file->get_source())) {
// Field files.source for draftarea files contains serialised object with source and original information.
// We only store the source part of it for non-draft file area.
$file_record['source'] = $source->source;
}
if ($file->is_external_file()) {
$repoid = $file->get_repository_id();
if (!empty($repoid)) {
$file_record['repositoryid'] = $repoid;
$file_record['reference'] = $file->get_reference();
}
}
$fs->create_file_from_storedfile($file_record, $file);
}
}
// note: do not purge the draft area - we clean up areas later in cron,
// the reason is that user might press submit twice and they would loose the files,
// also sometimes we might want to use hacks that save files into two different areas
if (is_null($text)) {
return null;
} else {
return file_rewrite_urls_to_pluginfile($text, $draftitemid, $forcehttps);
}
}
$fileinfo = $repo->copy_to_area($reference, $record, $maxbytes, $areamaxbytes);
echo json_encode($fileinfo);
die;
} else {
// Download file to moodle.
$downloadedfile = $repo->get_file($reference, $saveas_filename);
if (empty($downloadedfile['path'])) {
$err->error = get_string('cannotdownload', 'repository');
die(json_encode($err));
}
// Check if exceed maxbytes.
if ($maxbytes != -1 && filesize($downloadedfile['path']) > $maxbytes) {
throw new file_exception('maxbytes');
}
// Check if we exceed the max bytes of the area.
if (file_is_draft_area_limit_reached($itemid, $areamaxbytes, filesize($downloadedfile['path']))) {
throw new file_exception('maxareabytes');
}
$info = repository::move_to_filepool($downloadedfile['path'], $record);
if (empty($info)) {
$info['e'] = get_string('error', 'moodle');
}
}
}
echo json_encode($info);
die;
}
break;
case 'upload':
$result = $repo->upload($saveas_filename, $maxbytes);
echo json_encode($result);
/**
* Process a message received and validated by the Inbound Message processor.
*
* @throws \core\message\inbound\processing_failed_exception
* @param \stdClass $record The Inbound Message record
* @param \stdClass $data The message data packet
* @return bool Whether the message was successfully processed.
*/
public function process_message(\stdClass $record, \stdClass $data)
{
global $USER, $CFG;
$context = \context_user::instance($USER->id);
if (!has_capability('moodle/user:manageownfiles', $context)) {
throw new \core\message\inbound\processing_failed_exception('emailtoprivatefilesdenied', 'moodle', $data);
}
// Initial setup.
$component = 'user';
$filearea = 'private';
$itemid = 0;
$license = $CFG->sitedefaultlicense;
$author = fullname($USER);
// Determine the quota space for this user.
$maxbytes = $CFG->userquota;
if (has_capability('moodle/user:ignoreuserquota', $context)) {
$maxbytes = USER_CAN_IGNORE_FILE_SIZE_LIMITS;
}
// Keep track of files which were uploaded, and which were skipped.
$skippedfiles = array();
$uploadedfiles = array();
$failedfiles = array();
$fs = get_file_storage();
foreach ($data->attachments as $attachmenttype => $attachments) {
foreach ($attachments as $attachment) {
mtrace("--- Processing attachment '{$attachment->filename}'");
if (file_is_draft_area_limit_reached($itemid, $maxbytes, $attachment->filesize)) {
// The user quota will be exceeded if this file is included.
$skippedfiles[] = $attachment;
mtrace("---- Skipping attacment. User will be over quota.");
continue;
}
// Create a new record for this file.
$record = new \stdClass();
$record->filearea = $filearea;
$record->component = $component;
$record->filepath = '/';
$record->itemid = $itemid;
$record->license = $license;
$record->author = $author;
$record->contextid = $context->id;
$record->userid = $USER->id;
$record->filename = $fs->get_unused_filename($context->id, $record->component, $record->filearea, $record->itemid, $record->filepath, $attachment->filename);
mtrace("--> Attaching {$record->filename} to " . "/{$record->contextid}/{$record->component}/{$record->filearea}/" . "{$record->itemid}{$record->filepath}{$record->filename}");
if ($fs->create_file_from_string($record, $attachment->content)) {
// File created successfully.
mtrace("---- File uploaded successfully as {$record->filename}.");
$uploadedfiles[] = $attachment;
} else {
mtrace("---- Skipping attacment. Unknown failure during creation.");
$failedfiles[] = $attachment;
}
}
}
// TODO send the user a confirmation e-mail.
// Note, some files may have failed because the user has been pushed over quota. This does not constitute a failure.
return true;
}
$record->userid = $USER->id;
$record->contextid = $user_context->id;
$record->sortorder = 0;
if ($repo->has_moodle_files()) {
$fileinfo = $repo->copy_to_area($reference, $record, $maxbytes, $areamaxbytes);
redirect($home_url, get_string('downloadsucc', 'repository'));
} else {
$thefile = $repo->get_file($reference, $filename);
if (!empty($thefile['path'])) {
$filesize = filesize($thefile['path']);
if ($maxbytes != -1 && $filesize > $maxbytes) {
unlink($thefile['path']);
print_error('maxbytes');
}
// Ensure the file will not make the area exceed its size limit.
if (file_is_draft_area_limit_reached($record->itemid, $areamaxbytes, $filesize)) {
unlink($thefile['path']);
print_error('maxareabytes');
}
try {
$info = repository::move_to_filepool($thefile['path'], $record);
redirect($home_url, get_string('downloadsucc', 'repository'));
} catch (moodle_exception $e) {
// inject target URL
$e->link = $PAGE->url->out();
echo $OUTPUT->header();
// hack: we need the embedded header here, standard error printing would not use it
throw $e;
}
} else {
print_error('cannotdownload', 'repository');
/**
* Saves files from a draft file area to a real one (merging the list of files).
* Can rewrite URLs in some content at the same time if desired.
*
* @category files
* @global stdClass $USER
* @param int $draftitemid the id of the draft area to use. Normally obtained
* from file_get_submitted_draft_itemid('elementname') or similar.
* @param int $contextid This parameter and the next two identify the file area to save to.
* @param string $component
* @param string $filearea indentifies the file area.
* @param int $itemid helps identifies the file area.
* @param array $options area options (subdirs=>false, maxfiles=-1, maxbytes=0)
* @param string $text some html content that needs to have embedded links rewritten
* to the @@PLUGINFILE@@ form for saving in the database.
* @param bool $forcehttps force https urls.
* @return string|null if $text was passed in, the rewritten $text is returned. Otherwise NULL.
*/
function file_save_draft_area_files($draftitemid, $contextid, $component, $filearea, $itemid, array $options = null, $text = null, $forcehttps = false)
{
global $USER;
$usercontext = context_user::instance($USER->id);
$fs = get_file_storage();
$options = (array) $options;
if (!isset($options['subdirs'])) {
$options['subdirs'] = false;
}
if (!isset($options['maxfiles'])) {
$options['maxfiles'] = -1;
// unlimited
}
if (!isset($options['maxbytes']) || $options['maxbytes'] == USER_CAN_IGNORE_FILE_SIZE_LIMITS) {
$options['maxbytes'] = 0;
// unlimited
}
if (!isset($options['areamaxbytes'])) {
$options['areamaxbytes'] = FILE_AREA_MAX_BYTES_UNLIMITED;
// Unlimited.
}
$allowreferences = true;
if (isset($options['return_types']) && !($options['return_types'] & FILE_REFERENCE)) {
// we assume that if $options['return_types'] is NOT specified, we DO allow references.
// this is not exactly right. BUT there are many places in code where filemanager options
// are not passed to file_save_draft_area_files()
$allowreferences = false;
}
// Check if the draft area has exceeded the authorised limit. This should never happen as validation
// should have taken place before, unless the user is doing something nauthly. If so, let's just not save
// anything at all in the next area.
if (file_is_draft_area_limit_reached($draftitemid, $options['areamaxbytes'])) {
return null;
}
$draftfiles = $fs->get_area_files($usercontext->id, 'user', 'draft', $draftitemid, 'id');
$oldfiles = $fs->get_area_files($contextid, $component, $filearea, $itemid, 'id');
if (count($draftfiles) < 2) {
// means there are no files - one file means root dir only ;-)
$fs->delete_area_files($contextid, $component, $filearea, $itemid);
} else {
if (count($oldfiles) < 2) {
$filecount = 0;
// there were no files before - one file means root dir only ;-)
foreach ($draftfiles as $file) {
$file_record = array('contextid' => $contextid, 'component' => $component, 'filearea' => $filearea, 'itemid' => $itemid);
if (!$options['subdirs']) {
if ($file->get_filepath() !== '/' or $file->is_directory()) {
continue;
}
}
if ($options['maxbytes'] and $options['maxbytes'] < $file->get_filesize()) {
// oversized file - should not get here at all
continue;
}
if ($options['maxfiles'] != -1 and $options['maxfiles'] <= $filecount) {
// more files - should not get here at all
break;
}
if (!$file->is_directory()) {
$filecount++;
}
if ($file->is_external_file()) {
if (!$allowreferences) {
continue;
}
$repoid = $file->get_repository_id();
if (!empty($repoid)) {
$file_record['repositoryid'] = $repoid;
$file_record['reference'] = $file->get_reference();
}
}
file_restore_source_field_from_draft_file($file);
$fs->create_file_from_storedfile($file_record, $file);
}
} else {
// we have to merge old and new files - we want to keep file ids for files that were not changed
// we change time modified for all new and changed files, we keep time created as is
$newhashes = array();
foreach ($draftfiles as $file) {
$newhash = $fs->get_pathname_hash($contextid, $component, $filearea, $itemid, $file->get_filepath(), $file->get_filename());
file_restore_source_field_from_draft_file($file);
$newhashes[$newhash] = $file;
}
$filecount = 0;
foreach ($oldfiles as $oldfile) {
$oldhash = $oldfile->get_pathnamehash();
if (!isset($newhashes[$oldhash])) {
// delete files not needed any more - deleted by user
$oldfile->delete();
continue;
}
$newfile = $newhashes[$oldhash];
// status changed, we delete old file, and create a new one
if ($oldfile->get_status() != $newfile->get_status()) {
// file was changed, use updated with new timemodified data
$oldfile->delete();
// This file will be added later
continue;
}
// Updated author
if ($oldfile->get_author() != $newfile->get_author()) {
$oldfile->set_author($newfile->get_author());
}
// Updated license
if ($oldfile->get_license() != $newfile->get_license()) {
$oldfile->set_license($newfile->get_license());
}
// Updated file source
if ($oldfile->get_source() != $newfile->get_source()) {
$oldfile->set_source($newfile->get_source());
}
// Updated sort order
if ($oldfile->get_sortorder() != $newfile->get_sortorder()) {
$oldfile->set_sortorder($newfile->get_sortorder());
}
// Update file timemodified
if ($oldfile->get_timemodified() != $newfile->get_timemodified()) {
$oldfile->set_timemodified($newfile->get_timemodified());
}
// Replaced file content
if ($oldfile->get_contenthash() != $newfile->get_contenthash() || $oldfile->get_filesize() != $newfile->get_filesize()) {
$oldfile->replace_content_with($newfile);
// push changes to all local files that are referencing this file
$fs->update_references_to_storedfile($oldfile);
}
// unchanged file or directory - we keep it as is
unset($newhashes[$oldhash]);
if (!$oldfile->is_directory()) {
$filecount++;
}
}
// Add fresh file or the file which has changed status
// the size and subdirectory tests are extra safety only, the UI should prevent it
foreach ($newhashes as $file) {
$file_record = array('contextid' => $contextid, 'component' => $component, 'filearea' => $filearea, 'itemid' => $itemid, 'timemodified' => time());
if (!$options['subdirs']) {
if ($file->get_filepath() !== '/' or $file->is_directory()) {
continue;
}
}
if ($options['maxbytes'] and $options['maxbytes'] < $file->get_filesize()) {
// oversized file - should not get here at all
continue;
}
if ($options['maxfiles'] != -1 and $options['maxfiles'] <= $filecount) {
// more files - should not get here at all
break;
}
if (!$file->is_directory()) {
$filecount++;
}
if ($file->is_external_file()) {
if (!$allowreferences) {
continue;
}
$repoid = $file->get_repository_id();
if (!empty($repoid)) {
$file_record['repositoryid'] = $repoid;
$file_record['reference'] = $file->get_reference();
}
}
$fs->create_file_from_storedfile($file_record, $file);
}
}
}
// note: do not purge the draft area - we clean up areas later in cron,
// the reason is that user might press submit twice and they would loose the files,
// also sometimes we might want to use hacks that save files into two different areas
if (is_null($text)) {
return null;
} else {
return file_rewrite_urls_to_pluginfile($text, $draftitemid, $forcehttps);
}
}
