/**
* This function handles filebrowser actions, such as uploading files, deleting files, creating folders, etc.
* It piggybacks on the surrounding pieform but bypasses the normal Pieforms validation process.
*
* @param Pieform $form
* @param array $element
* @return mixed
*/
function pieform_element_filebrowser_doupdate(Pieform $form, $element)
{
require_once 'license.php';
$result = null;
$prefix = $form->get_name() . '_' . $element['name'];
// Since this is executed before normal pieforms validation, we'll redundantly call the validation here
try {
$sesskey = param_variable('sesskey', null);
pieform_validate($form, array('sesskey' => $sesskey));
} catch (Exception $e) {
return array('error' => true, 'message' => $e->getMessage());
}
$delete = param_variable($prefix . '_delete', null);
if (is_array($delete)) {
$keys = array_keys($delete);
return pieform_element_filebrowser_delete($form, $element, (int) $keys[0]);
}
$resizeonuploaduserenable = param_variable($prefix . '_resizeonuploaduserenable', null);
if (!empty($resizeonuploaduserenable)) {
$resizeimage = 1;
} else {
$resizeimage = 0;
}
$update = param_variable($prefix . '_update', null);
if (is_array($update)) {
$keys = array_keys($update);
$artefactid = (int) $keys[0];
$edit_title = param_variable($prefix . '_edit_title');
$namelength = strlen($edit_title);
if (!$namelength) {
return array('edit' => $artefactid, 'error' => true, 'message' => get_string('filenamefieldisrequired1', 'artefact.file'));
} else {
if ($namelength > 1024) {
return array('edit' => $artefactid, 'error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
}
}
$data = array('artefact' => $artefactid, 'title' => $edit_title, 'description' => param_variable($prefix . '_edit_description'), 'tags' => param_variable($prefix . '_edit_tags'), 'folder' => $element['folder'], 'allowcomments' => param_boolean($prefix . '_edit_allowcomments'));
if (get_config('licensemetadata')) {
$data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_edit_license'), param_variable($prefix . '_edit_license_other', null)), 'licensor' => param_variable($prefix . '_edit_licensor'), 'licensorurl' => param_variable($prefix . '_edit_licensorurl')));
}
if ($form->get_property('group')) {
$data['permissions'] = array('admin' => (object) array('view' => true, 'edit' => true, 'republish' => true));
foreach ($_POST as $k => $v) {
if (preg_match('/^' . $prefix . '_permission:([a-z]+):([a-z]+)$/', $k, $m)) {
if (!isset($data['permissions'][$m[1]])) {
$data['permissions'][$m[1]] = new stdClass();
}
$data['permissions'][$m[1]]->{$m[2]} = (bool) $v;
}
}
}
return pieform_element_filebrowser_update($form, $element, $data);
}
$move = param_variable($prefix . '_move', null);
if (!empty($move)) {
return pieform_element_filebrowser_move($form, $element, array('artefact' => (int) $move, 'newparent' => param_integer($prefix . '_moveto'), 'folder' => $element['folder']));
}
$createfolder = param_variable($prefix . '_createfolder', null);
if (!empty($createfolder)) {
$createfolder_name = param_variable($prefix . '_createfolder_name');
$namelength = strlen($createfolder_name);
if (!$namelength) {
return array('error' => true, 'message' => get_string('foldernamerequired', 'artefact.file'));
} else {
if ($namelength > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
}
}
return pieform_element_filebrowser_createfolder($form, $element, array('title' => $createfolder_name, 'folder' => $element['folder']));
}
// {$prefix}_upload is set in all browsers except safari when javascript is
// on (and set in all browsers when it's not)
$upload = param_variable($prefix . '_upload', null);
if (!empty($upload)) {
if (empty($_FILES['userfile']['name'])) {
return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
} else {
if (is_array($_FILES['userfile']['name'])) {
foreach ($_FILES['userfile']['name'] as $filename) {
if (empty($filename)) {
// TODO, how to specify which file is in error...
return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
}
}
}
}
}
if (!empty($_FILES['userfile']['name'])) {
if (!is_array($_FILES['userfile']['name'])) {
if (!empty($_POST['_userfile']) && is_array($_POST['_userfile'])) {
// renaming file for drag and drop
$_FILES['userfile']['name'] = $_POST['_userfile']['name'];
$_FILES['userfile']['type'] = $_POST['_userfile']['type'];
}
if (strlen($_FILES['userfile']['name']) > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
} else {
if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
}
}
$data = array('userfile' => $_FILES['userfile'], 'uploadnumber' => param_integer($prefix . '_uploadnumber'), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername'), 'resizeonuploaduserenable' => $resizeimage);
if (get_config('licensemetadata') && param_variable('dropzone')) {
$data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_license'), param_variable($prefix . '_license_other', null)), 'licensor' => param_variable($prefix . '_licensor'), 'licensorurl' => param_variable($prefix . '_licensorurl')));
} else {
if (get_config('licensemetadata')) {
$data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_edit_license'), param_variable($prefix . '_edit_license_other', null)), 'licensor' => param_variable($prefix . '_edit_licensor'), 'licensorurl' => param_variable($prefix . '_edit_licensorurl')));
}
}
$result = pieform_element_filebrowser_upload($form, $element, $data);
// If it's a non-js upload, automatically select the newly uploaded file.
$result['browse'] = 1;
if (!$form->submitted_by_js() && !$result['error'] && !empty($element['config']['select'])) {
if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
$element['selectcallback']($result['highlight']);
} else {
$result['select'] = $result['highlight'];
}
}
return $result;
} else {
if (!empty($_FILES['userfile']['name'][0])) {
if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
}
$result = array('multiuploads' => array());
$size = sizeof($_FILES['userfile']['name']);
for ($i = 0; $i < $size; $i++) {
if (strlen($_FILES['userfile']['name'][$i]) > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
}
$data = array('userfile' => $_FILES['userfile'], 'userfileindex' => $i, 'uploadnumber' => param_integer($prefix . '_uploadnumber') - ($size - $i - 1), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername'), 'resizeonuploaduserenable' => $resizeimage);
if (get_config('licensemetadata')) {
$data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_license'), param_variable($prefix . '_license_other', null)), 'licensor' => param_variable($prefix . '_licensor'), 'licensorurl' => param_variable($prefix . '_licensorurl')));
}
$result['multiuploads'][$i] = pieform_element_filebrowser_upload($form, $element, $data);
// TODO, what to do here...
// If it's a non-js upload, automatically select the newly uploaded file.
$result['multiuploads'][$i]['browse'] = 1;
if (!$form->submitted_by_js() && !$result['multiuploads'][$i]['error'] && !empty($element['config']['select'])) {
if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
$element['selectcallback']($result['multiuploads'][$i]['highlight']);
} else {
$result['multiuploads'][$i]['select'] = $result['multiuploads'][$i]['highlight'];
}
}
$result['multiuploads'][$i]['folder'] = $element['folder'];
}
return $result;
}
}
}
if (!$form->submitted_by_js()) {
$select = param_variable($prefix . '_select', null);
if (is_array($select)) {
$keys = array_keys($select);
$add = (int) $keys[0];
if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
try {
$element['selectcallback']($add);
} catch (ArtefactNotFoundException $e) {
$result = array('error' => true, 'message' => get_string('selectingfailed', 'artefact.file'));
return $result;
}
} else {
$result['select'] = $add;
}
$result['message'] = get_string('fileadded', 'artefact.file');
$result['browse'] = 1;
return $result;
}
$unselect = param_variable($prefix . '_unselect', null);
if (is_array($unselect)) {
$keys = array_keys($unselect);
$del = (int) $keys[0];
if (isset($element['unselectcallback']) && is_callable($element['unselectcallback'])) {
try {
$element['unselectcallback']($del);
} catch (ArtefactNotFoundException $e) {
$result = array('error' => true, 'message' => get_string('removingfailed', 'artefact.file'));
return $result;
}
} else {
$result['unselect'] = $del;
}
$result['message'] = get_string('fileremoved', 'artefact.file');
return $result;
}
$edit = param_variable($prefix . '_edit', null);
if (is_array($edit)) {
$keys = array_keys($edit);
$result['edit'] = (int) $keys[0];
return $result;
}
if (param_variable('browse', 0) && !param_variable($prefix . '_cancelbrowse', 0)) {
$result['browse'] = 1;
return $result;
}
}
$changeowner = param_variable($prefix . '_changeowner', null);
if (!empty($changeowner)) {
$result = pieform_element_filebrowser_changeowner($form, $element);
$result['browse'] = 1;
return $result;
}
$newfolder = param_variable($prefix . '_changefolder', null);
if (!is_null($newfolder) && is_numeric($newfolder)) {
$result = pieform_element_filebrowser_changefolder($form, $element, $newfolder);
$result['browse'] = 1;
$result['folder'] = $newfolder;
return $result;
}
}
function pieform_element_filebrowser_doupdate(Pieform $form, $element)
{
$result = null;
$prefix = $form->get_name() . '_' . $element['name'];
$delete = param_variable($prefix . '_delete', null);
if (is_array($delete)) {
$keys = array_keys($delete);
return pieform_element_filebrowser_delete($form, $element, (int) $keys[0]);
}
$update = param_variable($prefix . '_update', null);
if (is_array($update)) {
$edit_title = param_variable($prefix . '_edit_title');
$namelength = strlen($edit_title);
if (!$namelength) {
return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'));
} else {
if ($namelength > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
}
}
$keys = array_keys($update);
$data = array('artefact' => (int) $keys[0], 'title' => $edit_title, 'description' => param_variable($prefix . '_edit_description'), 'tags' => param_variable($prefix . '_edit_tags'), 'folder' => $element['folder']);
if ($form->get_property('group')) {
$data['permissions'] = array('admin' => (object) array('view' => true, 'edit' => true, 'republish' => true));
foreach ($_POST as $k => $v) {
if (preg_match('/^' . $prefix . '_permission:([a-z]+):([a-z]+)$/', $k, $m)) {
$data['permissions'][$m[1]]->{$m[2]} = (bool) $v;
}
}
}
return pieform_element_filebrowser_update($form, $element, $data);
}
$move = param_variable($prefix . '_move', null);
if (!empty($move)) {
return pieform_element_filebrowser_move($form, $element, array('artefact' => (int) $move, 'newparent' => param_integer($prefix . '_moveto'), 'folder' => $element['folder']));
}
$createfolder = param_variable($prefix . '_createfolder', null);
if (!empty($createfolder)) {
$createfolder_name = param_variable($prefix . '_createfolder_name');
$namelength = strlen($createfolder_name);
if (!$namelength) {
return array('error' => true, 'message' => get_string('foldernamerequired', 'artefact.file'));
} else {
if ($namelength > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
}
}
return pieform_element_filebrowser_createfolder($form, $element, array('title' => $createfolder_name, 'folder' => $element['folder']));
}
// {$prefix}_upload is set in all browsers except safari when javascript is
// on (and set in all browsers when it's not)
$upload = param_variable($prefix . '_upload', null);
if (!empty($upload)) {
if (empty($_FILES['userfile']['name'])) {
return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
}
}
if (isset($_FILES['userfile']['error']) && $_FILES['userfile']['error'] == 0) {
if (strlen($_FILES['userfile']['name']) > 1024) {
return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
} else {
if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
}
}
$result = pieform_element_filebrowser_upload($form, $element, array('userfile' => $_FILES['userfile'], 'uploadnumber' => param_integer($prefix . '_uploadnumber'), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername')));
// If it's a non-js upload, automatically select the newly uploaded file.
$result['browse'] = 1;
if (!$form->submitted_by_js() && !$result['error'] && !empty($element['config']['select'])) {
if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
$element['selectcallback']($result['highlight']);
} else {
$result['select'] = $result['highlight'];
}
}
return $result;
}
if (!$form->submitted_by_js()) {
$select = param_variable($prefix . '_select', null);
if (is_array($select)) {
$keys = array_keys($select);
$add = (int) $keys[0];
if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
try {
$element['selectcallback']($add);
} catch (ArtefactNotFoundException $e) {
$result = array('error' => true, 'message' => get_string('selectingfailed', 'artefact.file'));
return $result;
}
} else {
$result['select'] = $add;
}
$result['message'] = get_string('fileadded', 'artefact.file');
$result['browse'] = 1;
return $result;
}
$unselect = param_variable($prefix . '_unselect', null);
if (is_array($unselect)) {
$keys = array_keys($unselect);
$del = (int) $keys[0];
if (isset($element['unselectcallback']) && is_callable($element['unselectcallback'])) {
try {
$element['unselectcallback']($del);
} catch (ArtefactNotFoundException $e) {
$result = array('error' => true, 'message' => get_string('removingfailed', 'artefact.file'));
return $result;
}
} else {
$result['unselect'] = $del;
}
$result['message'] = get_string('fileremoved', 'artefact.file');
return $result;
}
$edit = param_variable($prefix . '_edit', null);
if (is_array($edit)) {
$keys = array_keys($edit);
$result['edit'] = (int) $keys[0];
return $result;
}
if (param_variable('browse', 0) && !param_variable($prefix . '_cancelbrowse', 0)) {
$result['browse'] = 1;
return $result;
}
}
$changeowner = param_variable($prefix . '_changeowner', null);
if (!empty($changeowner)) {
$result = pieform_element_filebrowser_changeowner($form, $element);
$result['browse'] = 1;
return $result;
}
$newfolder = param_variable($prefix . '_changefolder', null);
if (!is_null($newfolder) && is_numeric($newfolder)) {
$result = pieform_element_filebrowser_changefolder($form, $element, $newfolder);
$result['browse'] = 1;
$result['folder'] = $newfolder;
return $result;
}
}