throw new Exception('Es ist kein Footprint markiert oder es trat ein Fehler auf!');
}
$selected_footprint->set_attributes(array('name' => $new_name, 'parent_id' => $new_parent_id, 'filename' => $new_filename));
} catch (Exception $e) {
$messages[] = array('text' => 'Die neuen Werte konnten nicht gespeichert werden!', 'strong' => true, 'color' => 'red');
$messages[] = array('text' => 'Fehlermeldung: ' . nl2br($e->getMessage()), 'color' => 'red');
}
break;
case 'save_proposed_filenames':
$errors = array();
for ($i = 0; $i < $broken_footprints_count; $i++) {
$spf_footprint_id = isset($_REQUEST['broken_footprint_id_' . $i]) ? $_REQUEST['broken_footprint_id_' . $i] : -1;
// -1 will produce an error
$spf_new_filename = isset($_REQUEST['proposed_filename_' . $i]) ? to_unix_path($_REQUEST['proposed_filename_' . $i]) : NULL;
$spf_checked = isset($_REQUEST['filename_checkbox_' . $i]) || $save_all_proposed_filenames;
if (strlen($spf_new_filename) > 0 && !is_path_absolute_and_unix($spf_new_filename)) {
$spf_new_filename = BASE . '/' . $spf_new_filename;
}
// switch from relative path (like "img/foo.png") to absolute path (like "/var/www/part-db/img/foo.png")
try {
if ($spf_checked) {
$spf_broken_footprint = new Footprint($database, $current_user, $log, $spf_footprint_id);
$spf_broken_footprint->set_filename($spf_new_filename);
}
} catch (Exception $e) {
$errors[] = $e->getMessage();
}
}
foreach ($errors as $error) {
$messages[] = array('text' => 'Fehlermeldung: ' . $error, 'color' => 'red');
}
/**
* @copydoc DBElement::check_values_validity()
*/
public static function check_values_validity(&$database, &$current_user, &$log, &$values, $is_new, &$element = NULL)
{
// first, we set the basename as the name if the name is empty
$values['name'] = trim($values['name']);
if (strlen($values['name']) == 0) {
$values['name'] = basename($values['filename']);
}
// then we let all parent classes to check the values
parent::check_values_validity($database, $current_user, $log, $values, $is_new, $element);
// set boolean attributes
settype($values['show_in_table'], 'boolean');
// check "type_id"
try {
// type_id == 0 or NULL means "no attachement type", and this is not allowed!
if ($values['type_id'] == 0) {
throw new Exception('"type_id" ist Null!');
}
$attachement_type = new AttachementType($database, $current_user, $log, $values['type_id']);
} catch (Exception $e) {
debug('warning', 'Ungültige "type_id": "' . $values['type_id'] . '"' . "\n\nUrsprüngliche Fehlermeldung: " . $e->getMessage(), __FILE__, __LINE__, __METHOD__);
throw new Exception('Der gewählte Dateityp existiert nicht!');
}
// check "class_name"
$supported_classes = array('Part');
// to be continued (step by step)...
if (!in_array($values['class_name'], $supported_classes)) {
debug('error', 'Die Klasse "' . $values['class_name'] . '" unterstützt (noch) keine Dateianhänge!', __FILE__, __LINE__, __METHOD__);
throw new Exception('Ungültiger Klassenname: "' . $values['class_name'] . '"');
}
// check "element_id"
try {
// element_id == 0 is not allowed!
if ($values['element_id'] == 0) {
throw new Exception('"element_id" ist Null!');
}
$element = new $values['class_name']($database, $current_user, $log, $values['element_id']);
$element->set_attributes(array());
// save element attributes to update its "last_modified"
} catch (Exception $e) {
debug('warning', 'Ungültige "element_id"/"class_name": "' . $values['element_id'] . '"/"' . $values['class_name'] . '"' . "\n\nUrsprüngliche Fehlermeldung: " . $e->getMessage(), __FILE__, __LINE__, __METHOD__);
throw new Exception('Das gewählte Element existiert nicht!');
}
// trim $values['filename']
$values['filename'] = trim($values['filename']);
// empty filenames are not allowed!
if (strlen($values['filename']) == 0) {
throw new Exception('Der Dateiname ist leer, das ist nicht erlaubt!');
}
// check if "filename" is a valid (absolute and UNIX) filepath
if (!is_path_absolute_and_unix($values['filename'])) {
throw new Exception('Der Dateipfad "' . $values['filename'] . '" ist kein gültiger absoluter UNIX Dateipfad!');
}
// we replace the path of the Part-DB installation directory (Constant "BASE") with a placeholder ("%BASE%")
$values['filename'] = str_replace(BASE, '%BASE%', $values['filename']);
}
/**
* @brief Upload a file (from "<input type="file">) to a directory on the server
*
* @param array $file_array The file array, for example $_FILES['my_file']
* @param string $destination_directory The directory where the file should be saved.
* IMPORTANT: there must be a slash at the end!
* Example: BASE.'/data/media/'
* @param string|NULL $destination_filename The destination filename (without path).
* NULL means same filename like the uploaded file.
*
* @retval string the (absolute) filename of the uploaded file (the destination, not the source)
*
* @throws Exception if the destination file exists already
* @throws Exception if there was an error
*/
function upload_file($file_array, $destination_directory, $destination_filename = NULL)
{
if (!isset($file_array['name']) || !isset($file_array['tmp_name']) || !isset($file_array['error'])) {
throw new Exception('Ungültiges Array übergeben!');
}
if ($destination_filename == NULL) {
$destination_filename = $file_array['name'];
}
$destination = $destination_directory . $destination_filename;
if (!is_dir($destination_directory) || mb_substr($destination_directory, -1, 1) != '/' || !is_path_absolute_and_unix($destination_directory, false)) {
throw new Exception('"' . $destination_directory . '" ist kein gültiges Verzeichnis!');
}
if (!is_writable($destination_directory)) {
throw new Exception('Sie haben keine Schreibrechte im Verzeichnis "' . $destination_directory . '"!');
}
if (file_exists($destination)) {
// there is already a file with the same filename, check if it is exactly the same file
$new_file_md5 = md5_file($file_array['tmp_name']);
$existing_file_md5 = md5_file($destination);
if ($new_file_md5 == $existing_file_md5 && $new_file_md5 != false) {
return $destination;
}
// it's exactly the same file, we don't need to upload it again, re-use it!
throw new Exception('Es existiert bereits eine Datei mit dem Dateinamen "' . $destination . '"!');
}
switch ($file_array['error']) {
case UPLOAD_ERR_OK:
// all OK, upload was successfully
break;
case UPLOAD_ERR_INI_SIZE:
throw new Exception('Die maximal mögliche Dateigrösse für Uploads wurde überschritten ("upload_max_filesize" in "php.ini")! ' . '<a target="_blank" href="' . BASE_RELATIVE . '/documentation/dokuwiki/doku.php?id=anforderungen">Hilfe</a>');
case UPLOAD_ERR_FORM_SIZE:
throw new Exception('Die maximal mögliche Dateigrösse für Uploads wurde überschritten!');
case UPLOAD_ERR_PARTIAL:
throw new Exception('Die Datei wurde nur teilweise hochgeladen!');
case UPLOAD_ERR_NO_FILE:
throw new Exception('Es wurde keine Datei hochgeladen!');
case UPLOAD_ERR_NO_TMP_DIR:
throw new Exception('Es gibt keinen temporären Ordner für hochgeladene Dateien!');
case UPLOAD_ERR_CANT_WRITE:
throw new Exception('Das Speichern der Datei auf die Festplatte ist fehlgeschlagen!');
case UPLOAD_ERR_EXTENSION:
throw new Exception('Eine PHP Erweiterung hat den Upload der Datei gestoppt!');
default:
throw new Exception('Beim Hochladen der Datei trat ein unbekannter Fehler auf!');
}
if (!move_uploaded_file($file_array['tmp_name'], $destination)) {
throw new Exception('Beim Hochladen der Datei trat ein unbekannter Fehler auf!');
}
return $destination;
}
/**
* @copydoc DBElement::check_values_validity()
*/
public static function check_values_validity(&$database, &$current_user, &$log, &$values, $is_new, &$element = NULL)
{
// first, we let all parent classes to check the values
parent::check_values_validity($database, $current_user, $log, $values, $is_new, $element);
// trim $values['filename']
$values['filename'] = trim($values['filename']);
// check if "filename" is a valid (absolute and UNIX) filepath
if (strlen($values['filename']) > 0 && !is_path_absolute_and_unix($values['filename'])) {
throw new Exception('Der Dateipfad "' . $values['filename'] . '" ist kein gültiger absoluter UNIX Dateipfad!');
}
// we replace the path of the Part-DB installation directory (Constant "BASE") with a placeholder ("%BASE%")
$values['filename'] = str_replace(BASE, '%BASE%', $values['filename']);
}
