public function dump_export_data()
{
foreach ($this->exporter->get('artefacts') as $artefact) {
if (in_array($artefact->get('artefacttype'), PluginArtefactFile::get_artefact_types())) {
$this->artefactdata[$artefact->get('id')] = $artefact;
}
}
// Grab all parent folders of all artefacts selected so we can export
// the files in their correct folder location
if ($this->exporter->get('artefactexportmode') != PluginExport::EXPORT_ALL_ARTEFACTS && $this->artefactdata) {
$folderids = array();
foreach (array_keys($this->artefactdata) as $artefactid) {
$folderids = array_merge($folderids, array_keys(artefact_get_parents_for_cache($artefactid)));
}
$folderids = array_unique($folderids);
foreach ($folderids as $folderid) {
if (!isset($this->artefactdata[$folderid])) {
$artefact = artefact_instance_from_id($folderid);
// We grabbed all parents of the artefacts in the export,
// but not all parents are folders
if ($artefact->get('artefacttype') == 'folder') {
$this->artefactdata[$folderid] = $artefact;
}
}
}
}
$this->populate_profileicons();
$this->create_index_for_directory($this->fileroot, 0, null);
$this->populate_filedir($this->fileroot, 0, null);
}
public function dump_export_data()
{
global $SESSION;
$this->owner = $this->exporter->get('user')->get('id');
foreach ($this->exporter->get('artefacts') as $artefact) {
if (in_array($artefact->get('artefacttype'), PluginArtefactFile::get_artefact_types())) {
$id = $artefact->get('id');
$this->artefactdata[$id] = $artefact;
if ($artefact->get('owner') != $this->owner) {
$this->otherfiles[$id] = $id;
}
}
}
// Grab all parent folders of all artefacts owned by the exporting user, so we can export
// the files in their correct folder location
if ($this->exporter->get('artefactexportmode') != PluginExport::EXPORT_ALL_ARTEFACTS && $this->artefactdata) {
$folderids = array();
foreach (array_keys($this->artefactdata) as $artefactid) {
if (!isset($this->otherfiles[$artefactid])) {
$folderids = array_merge($folderids, array_keys(artefact_get_parents_for_cache($artefactid)));
}
}
$folderids = array_unique($folderids);
foreach ($folderids as $folderid) {
if (!isset($this->artefactdata[$folderid])) {
$artefact = artefact_instance_from_id($folderid);
// We grabbed all parents of the artefacts in the export,
// but not all parents are folders
if ($artefact->get('artefacttype') == 'folder') {
$this->artefactdata[$folderid] = $artefact;
}
}
}
}
$this->populate_profileicons();
$this->create_index_for_directory($this->fileroot, 0, null);
$this->populate_filedir($this->fileroot, 0, null);
// Copy other users' files into the extrafileroot directory
foreach ($this->otherfiles as $id) {
if (!$this->artefactdata[$id] instanceof ArtefactTypeFile) {
continue;
}
$dest = $this->extrafileroot . $id . '-' . PluginExportHtml::sanitise_path($this->artefactdata[$id]->get('title'));
if (!copy($this->artefactdata[$id]->get_path(), $dest)) {
$SESSION->add_error_msg(get_string('unabletocopyartefact', 'export', $this->artefactdata[$id]->get('title')));
}
}
}
function pieform_element_filebrowser_move(Pieform $form, $element, $data)
{
global $USER;
$artefactid = $data['artefact'];
// Artefact being moved
$newparentid = $data['newparent'];
// Folder to move it to
try {
$artefact = artefact_instance_from_id($artefactid);
} catch (ArtefactNotFoundException $e) {
$result = array('error' => true, 'message' => get_string('movingfailed', 'artefact.file'), 'newlist' => pieform_element_filebrowser_build_filelist($form, $element, $data['folder']));
return $result;
}
if (!$USER->can_edit_artefact($artefact)) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
if (!in_array($artefact->get('artefacttype'), PluginArtefactFile::get_artefact_types())) {
return array('error' => true, 'message' => get_string('movefailednotfileartefact', 'artefact.file'));
}
if ($newparentid > 0) {
if ($newparentid == $artefactid) {
return array('error' => true, 'message' => get_string('movefaileddestinationinartefact', 'artefact.file'));
}
if ($newparentid == $artefact->get('parent')) {
return array('error' => false, 'message' => get_string('filealreadyindestination', 'artefact.file'));
}
try {
$newparent = artefact_instance_from_id($newparentid);
} catch (ArtefactNotFoundException $e) {
$parentfolder = $element['folder'] ? $element['folder'] : null;
$result = array('error' => true, 'message' => get_string('movingfailed', 'artefact.file'), 'newlist' => pieform_element_filebrowser_build_filelist($form, $element, $data['folder']));
return $result;
}
if (!$USER->can_edit_artefact($newparent)) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
} else {
if ($newparent->get('locked')) {
return array('error' => true, 'message' => get_string('cannoteditfoldersubmitted', 'artefact.file'));
}
}
$group = $artefact->get('group');
if ($group && $group !== $newparent->get('group')) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
if ($newparent->get('artefacttype') != 'folder') {
return array('error' => true, 'message' => get_string('movefaileddestinationnotfolder', 'artefact.file'));
}
$nextparentid = $newparent->get('parent');
while (!empty($nextparentid)) {
if ($nextparentid != $artefactid) {
$ancestor = artefact_instance_from_id($nextparentid);
$nextparentid = $ancestor->get('parent');
} else {
return array('error' => true, 'message' => get_string('movefaileddestinationinartefact', 'artefact.file'));
}
}
} else {
// $newparentid === 0
if ($artefact->get('parent') == null) {
return array('error' => false, 'message' => get_string('filealreadyindestination', 'artefact.file'));
}
$group = $artefact->get('group');
if ($group) {
if (!pieform_element_filebrowser_edit_group_folder($group, 0)) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
}
$newparentid = null;
}
if ($oldparentid = $artefact->get('parent')) {
$oldparent = artefact_instance_from_id($oldparentid);
if ($oldparent->get('locked')) {
return array('error' => true, 'message' => get_string('cannotremovefromsubmittedfolder', 'artefact.file'));
}
}
if ($artefact->move($newparentid)) {
return array('error' => false, 'newlist' => pieform_element_filebrowser_build_filelist($form, $element, $data['folder']));
}
return array('error' => true, 'message' => get_string('movefailed', 'artefact.file'));
}
/**
* Retrieve file list in a folder
* @global object $REMOTEWWWROOT
* @param string $username
* @param integer $folderid folder to browse
* @return array The complete folder path + list of files for a specific Mahara folder
*/
function get_folder_files($username, $folderid)
{
global $REMOTEWWWROOT;
//check that the user exists
list($user, $authinstance) = find_remote_user($username, $REMOTEWWWROOT);
if (!$user) {
throw new ExportException("Could not find user {$username} for {$REMOTEWWWROOT}");
}
$list = array();
safe_require('artefact', 'file');
$filetypes = array_diff(PluginArtefactFile::get_artefact_types(), array('profileicon'));
foreach ($filetypes as $k => $v) {
if ($v == 'folder') {
unset($filetypes[$k]);
}
}
$filetypesql = "('" . join("','", $filetypes) . "')";
$ownersql = artefact_owner_sql($user->id);
$folderpath = array();
//the complete folder path (some client could need it)
if (!empty($folderid)) {
$pathsql = " AND parent = {$folderid}";
//build the path
$parentids = artefact_get_parents_for_cache($folderid);
//the closest parent is on the first key
//the further parent is on the last key
foreach ($parentids as $id => $dump) {
$artefact = get_record('artefact', 'id', $id);
array_unshift($folderpath, array('path' => $artefact->id, 'name' => $artefact->title));
}
} else {
$pathsql = "AND parent IS NULL";
}
array_unshift($folderpath, array('path' => null, 'name' => 'Root'));
//retrieve folders and files of a specific Mahara folder
$list = array('files' => get_records_select_array('artefact', "artefacttype IN {$filetypesql} AND {$ownersql} {$pathsql}", array(), 'title'), 'folders' => get_records_select_array('artefact', "artefacttype = 'folder' AND {$ownersql} {$pathsql}", array(), 'title'));
return array($folderpath, $list);
}
/**
* Return a unique artefact title for a given owner & parent.
*
* Try to add digits before the filename extension: If the desired
* title contains a ".", add "." plus digits before the final ".",
* otherwise append "." and digits.
*
* @param string $desired
* @param integer $parent
* @param integer $owner
* @param integer $group
* @param string $institution
*/
public static function get_new_file_title($desired, $parent, $owner = null, $group = null, $institution = null)
{
$bits = split('\\.', $desired);
if (count($bits) > 1 && preg_match('/[^0-9]/', end($bits))) {
$start = join('.', array_slice($bits, 0, count($bits) - 1));
$end = '.' . end($bits);
} else {
$start = $desired;
$end = '';
}
$where = $parent ? "parent = {$parent}" : 'parent IS NULL';
$where .= ' AND ' . artefact_owner_sql($owner, $group, $institution);
$taken = get_column_sql("\n SELECT title FROM {artefact}\n WHERE artefacttype IN ('" . join("','", array_diff(PluginArtefactFile::get_artefact_types(), array('profileicon'))) . "')\n AND title LIKE ? || '%' || ? AND " . $where, array($start, $end));
$taken = array_flip($taken);
$i = 0;
$newname = $start . $end;
while (isset($taken[$newname])) {
$i++;
$newname = $start . '.' . $i . $end;
}
return $newname;
}
public static function save_config_options($form, $values)
{
global $USER;
$updatingquota = false;
$oldquotalimit = get_config_plugin('artefact', 'file', 'quotanotifylimit');
if ($values['updateuserquotas'] && $values['defaultquota']) {
set_field('usr', 'quota', $values['defaultquota'], 'deleted', 0);
$updatingquota = true;
}
if ($values['updategroupquotas'] && $values['defaultgroupquota']) {
set_field('group', 'quota', $values['defaultgroupquota'], 'deleted', 0);
// We need to alert group admins that the group may now be over the threshold that wasn't before
$sqlwhere = " ((g.quotaused / g.quota) * 100) ";
if (is_postgres()) {
$sqlwhere = " ((CAST(g.quotaused AS float) / CAST(g.quota AS float)) * 100) ";
}
if ($groups = get_records_sql_assoc("SELECT g.id, g.name, g.quota, " . $sqlwhere . " AS quotausedpercent FROM {group} g WHERE " . $sqlwhere . " >= ?", array($values['quotanotifylimit']))) {
ArtefactTypeFile::notify_groups_threshold_exceeded($groups);
}
}
set_config_plugin('artefact', 'file', 'defaultquota', $values['defaultquota']);
set_config_plugin('artefact', 'file', 'defaultgroupquota', $values['defaultgroupquota']);
set_config_plugin('artefact', 'file', 'institutionaloverride', $values['institutionaloverride']);
set_config_plugin('artefact', 'file', 'maxquota', $values['maxquota']);
set_config_plugin('artefact', 'file', 'maxquotaenabled', $values['maxquotaenabled']);
set_config_plugin('artefact', 'file', 'profileiconwidth', $values['profileiconwidth']);
set_config_plugin('artefact', 'file', 'profileiconheight', $values['profileiconheight']);
set_config_plugin('artefact', 'file', 'uploadagreement', $values['uploadagreement']);
set_config_plugin('artefact', 'file', 'usecustomagreement', $values['usecustomagreement']);
set_config_plugin('artefact', 'file', 'resizeonuploadenable', $values['resizeonuploadenable']);
set_config_plugin('artefact', 'file', 'resizeonuploaduseroption', $values['resizeonuploaduseroption']);
set_config_plugin('artefact', 'file', 'resizeonuploadmaxwidth', $values['resizeonuploadmaxwidth']);
set_config_plugin('artefact', 'file', 'resizeonuploadmaxheight', $values['resizeonuploadmaxheight']);
set_config_plugin('artefact', 'file', 'folderdownloadkeepzipfor', $values['folderdownloadkeepzipfor']);
set_config_plugin('artefact', 'file', 'quotanotifylimit', $values['quotanotifylimit']);
set_config_plugin('artefact', 'file', 'quotanotifyadmin', $values['quotanotifyadmin']);
if ($oldquotalimit != $values['quotanotifylimit'] || $updatingquota) {
// We need to alert anyone that may now be over the threshold that wasn't before
$sqlwhere = " ((u.quotaused / u.quota) * 100) ";
if (is_postgres()) {
$sqlwhere = " ((CAST(u.quotaused AS float) / CAST(u.quota AS float)) * 100) ";
}
if ($users = get_records_sql_assoc("SELECT u.id, u.quota, " . $sqlwhere . " AS quotausedpercent FROM {usr} u WHERE " . $sqlwhere . " >= ?", array($values['quotanotifylimit']))) {
$notifyadmin = get_config_plugin('artefact', 'file', 'quotanotifyadmin');
ArtefactTypeFile::notify_users_threshold_exceeded($users, $notifyadmin);
} else {
if ($users = get_records_sql_assoc("SELECT * FROM {usr} u, {usr_account_preference} uap WHERE " . $sqlwhere . " < ? AND uap.usr = u.id AND uap.field = ? AND uap.value = ?", array($values['quotanotifylimit'], 'quota_exceeded_notified', '1'))) {
foreach ($users as $user) {
set_account_preference($user->id, 'quota_exceeded_notified', false);
}
}
}
}
$data = new StdClass();
$data->name = 'uploadcopyright';
$data->content = $values['customagreement'];
$data->mtime = db_format_timestamp(time());
$data->mauthor = $USER->get('id');
$data->institution = 'mahara';
if (record_exists('site_content', 'name', $data->name, 'institution', $data->institution)) {
update_record('site_content', $data, array('name', 'institution'));
} else {
$data->ctime = db_format_timestamp(time());
insert_record('site_content', $data);
}
foreach (PluginArtefactFile::get_artefact_types() as $at) {
set_config_plugin('artefact', 'file', 'commentsallowed' . $at, (int) in_array($at, $values['commentdefault']));
}
}
$options = array();
if (empty($embedded)) {
$options['forcedownload'] = true;
}
// Clean up the temp directory before creating anymore zip files.
zip_clean_temp_dir();
// Home folder
if ($folderid === 0) {
if (function_exists('zip_open')) {
global $USER;
$userid = $USER->get('id');
$select = '
SELECT a.id, a.artefacttype, a.title';
$from = '
FROM {artefact} a';
$in = "('" . join("','", PluginArtefactFile::get_artefact_types()) . "')";
$where = "\n WHERE artefacttype IN {$in}";
$phvals = array();
if ($institution) {
if ($institution == 'mahara' && !$USER->get('admin')) {
// If non-admins are browsing site files, only let them see the public folder & its contents
$publicfolder = ArtefactTypeFolder::admin_public_folder_id();
$where .= '
AND (a.path = ? OR a.path LIKE ?)';
$phvals = array("/{$publicfolder}", db_like_escape("/{$publicfolder}/") . '%');
}
$where .= '
AND a.institution = ? AND a.owner IS NULL';
$phvals[] = $institution;
} else {
if ($groupid) {
function pieform_element_filebrowser_move(Pieform $form, $element, $data)
{
global $USER;
$artefactid = $data['artefact'];
// Artefact being moved
$newparentid = $data['newparent'];
// Folder to move it to
$artefact = artefact_instance_from_id($artefactid);
if (!$USER->can_edit_artefact($artefact)) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
if (!in_array($artefact->get('artefacttype'), PluginArtefactFile::get_artefact_types())) {
return array('error' => true, 'message' => get_string('movefailednotfileartefact', 'artefact.file'));
}
if ($newparentid > 0) {
if ($newparentid == $artefactid) {
return array('error' => true, 'message' => get_string('movefaileddestinationinartefact', 'artefact.file'));
}
if ($newparentid == $artefact->get('parent')) {
return array('error' => false, 'message' => get_string('filealreadyindestination', 'artefact.file'));
}
$newparent = artefact_instance_from_id($newparentid);
if (!$USER->can_edit_artefact($newparent)) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
$group = $artefact->get('group');
if ($group && $group !== $newparent->get('group')) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
if ($newparent->get('artefacttype') != 'folder') {
return array('error' => true, 'message' => get_string('movefaileddestinationnotfolder', 'artefact.file'));
}
$nextparentid = $newparent->get('parent');
while (!empty($nextparentid)) {
if ($nextparentid != $artefactid) {
$ancestor = artefact_instance_from_id($nextparentid);
$nextparentid = $ancestor->get('parent');
} else {
return array('error' => true, 'message' => get_string('movefaileddestinationinartefact', 'artefact.file'));
}
}
} else {
// $newparentid === 0
if ($artefact->get('parent') == null) {
return array('error' => false, 'message' => get_string('filealreadyindestination', 'artefact.file'));
}
$group = $artefact->get('group');
if ($group) {
// Use default grouptype artefact permissions to check if the
// user can move a file to the group's root directory
require_once get_config('libroot') . 'group.php';
$permissions = group_get_default_artefact_permissions($group);
if (!$permissions[group_user_access($group)]->edit) {
return array('error' => true, 'message' => get_string('movefailednotowner', 'artefact.file'));
}
}
$newparentid = null;
}
if ($artefact->move($newparentid)) {
return array('error' => false, 'newlist' => pieform_element_filebrowser_build_filelist($form, $element, $data['folder']));
}
return array('error' => true, 'message' => get_string('movefailed', 'artefact.file'));
}
