/**
* Determine whether the root folder is valid
* @return string
*/
private static function root_folder_is_valid($data) {
$repoisup = false;
/// Validate the path, if we can.
if ($repo = repository_factory::factory()) {
$repoisup = $repo->is_configured() && $repo->verify_setup();
if ($repoisup) {
if (elis_files_validate_path($data)) {
$valid = '<span class="pathok" style="color:green;">✔</span>';
} else {
$valid = '<span class="patherror" style="color:red;">✘</span>';
}
}
}
if (!isset($valid)) {
$valid = '';
}
return $valid;
}
/**
* Recursively determine whether the specified path is actually valid on the
* configured repository.
*
* @param string $path
* @return bool True if the path is valid, False otherwise.
*/
function elis_files_validate_path($path, $folders = null) {
if ($path == '/') {
return true;
}
/// Remove any extraneous slashes from the ends of the string
$path = trim($path, '/');
$parts = explode('/', $path);
/// Initialize the folder structure if a structure piece wasn't passed to this function.
if ($folders == null) {
$folders = elis_files_folder_structure();
}
/// Get the first piece from the list of path elements.
$pathpiece = array_shift($parts);
if (!empty($folders)) {
foreach ($folders as $folder) {
if ($folder['name'] == $pathpiece) {
/// If there are no more path elements, we've succeeded!
if (empty($parts)) {
return true;
/// If there are path elements left but no children from the current
/// folder, we've failed.
} else if (!empty($parts) && empty($folder['children'])) {
return false;
/// Otherwise, keep looking below.
} else {
return elis_files_validate_path(implode('/', $parts), $folder['children']);
}
}
}
}
return false;
}
