/**
* @todo better transaction
* @see FileInterface::update_file()
* @param array $file_array
* @param integer $previous_version_id
* @param bool $major
* @param bool $current
* @return integer
*/
public function update_file($file_array, $previous_version_id, $major, $current)
{
global $user, $session, $transaction;
if ($this->file and $this->file_id and $file_array) {
$transaction_id = $transaction->begin();
$user_data = new DataUserData($user->get_user_id());
$folder = Folder::get_instance($this->get_parent_folder_id());
$folder_path = $folder->get_path();
if ($folder->is_write_access() == true) {
$target = constant("BASE_DIR") . "/" . $folder_path . "/" . $file_array['name'];
if (!empty($file_array['name'])) {
$file_name_array = explode(".", $file_array['name']);
$file_name_array_length = substr_count($file_array['name'], ".");
// Forbidden file-types
if ($file_name_array[$file_name_array_length] == "php" or $file_name_array[$file_name_array_length] == "php3" or $file_name_array[$file_name_array_length] == "php4" or $file_name_array[$file_name_array_length] == "php5" or $file_name_array[$file_name_array_length] == "phtml" or $file_name_array[$file_name_array_length] == "phtm" or $file_name_array[$file_name_array_length] == "html" or $file_name_array[$file_name_array_length] == "htm" or $file_name_array[$file_name_array_length] == "cgi" or $file_name_array[$file_name_array_length] == "pl" or $file_name_array[$file_name_array_length] == "asp") {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 7;
} else {
// Upload new file
move_uploaded_file($file_array['tmp_name'], $target);
if (($file_upload_error_no = $file_array['error']) == 0) {
$file_size = filesize($target);
$checksum = md5_file($target);
if ($this->compare_with_current_version($checksum) == false) {
$file_upload_precheck_event = new FileUploadPrecheckEvent($this->get_parent_folder_id(), $file_size);
$event_handler = new EventHandler($file_upload_precheck_event);
if ($event_handler->get_success() == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 6;
}
if ($folder->get_quota_access($user->get_user_id(), $file_size) == true) {
$folder->increase_filesize($user->get_user_id(), $file_size);
$file_upload_event = new FileUploadEvent($this->get_parent_folder_id(), $file_size);
$event_handler = new EventHandler($file_upload_event);
if ($event_handler->get_success() == false) {
// Nothing happens
}
// Rename Old File
$current_file_version_id = FileVersion_Access::get_current_entry_by_toid($this->file_id);
$current_file_version = new FileVersion_Access($current_file_version_id);
$extension_array = explode(".", $current_file_version->get_name());
$extension_array_length = substr_count($current_file_version->get_name(), ".");
$new_internal_revision = $current_file_version->get_internal_revision() + 1;
if ($major == true) {
if ($previous_version_id == null) {
$new_version = $current_file_version->get_version() + 1;
$previous_version_pk_id = null;
} else {
$major_file_version_id = FileVersion_Access::get_entry_by_toid_and_internal_revision($this->file_id, $previous_version_id);
$major_file_version = new FileVersion_Access($major_file_version_id);
if ($major_file_version->get_previous_version_id() == $major_file_version->get_id()) {
$previous_version_pk_id = null;
} else {
$previous_version_pk_id = $major_file_version->get_previous_version_id();
}
$major_file_version_id = FileVersion_Access::get_highest_major_version_entry_by_toid_and_previous_version_id($major_file_version->get_toid(), $previous_version_pk_id);
$major_file_version = new FileVersion_Access($major_file_version_id);
$new_version = $major_file_version->get_version() + 1;
}
} else {
$major_file_version_id = FileVersion_Access::get_entry_by_toid_and_internal_revision($this->file_id, $previous_version_id);
$current_minor_version_id = FileVersion_Access::get_highest_minor_version_entry_by_id($major_file_version_id);
if ($current_minor_version_id) {
$current_minor_version = new FileVersion_Access($current_minor_version_id);
$new_version = $current_minor_version->get_version() + 1;
} else {
$new_version = 1;
}
$previous_version_pk_id = $major_file_version_id;
}
if ($current == true) {
$file_version = new FileVersion_Access(null);
$file_version->create($this->file_id, $file_array['name'], $new_version, $file_size, $checksum, null, $previous_version_pk_id, $new_internal_revision, true, $user->get_user_id());
$current_file_version->set_current(false);
} else {
$file_version = new FileVersion_Access(null);
$file_version->create($this->file_id, $file_array['name'], $new_version, $file_size, $checksum, null, $previous_version_pk_id, $new_internal_revision, false, $user->get_user_id());
}
// Rename File
$extension_array = explode(".", $target);
$extension_array_length = substr_count($target, ".");
if ($extension_array_length == 0) {
$extension_array[0] = "";
}
$new_filename = constant("BASE_DIR") . "/" . $folder_path . "/" . $this->data_entity_id . "-" . $new_internal_revision . "." . $extension_array[$extension_array_length];
// Rename file with the object id
if (rename($target, $new_filename) == true) {
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
return 1;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 2;
}
} else {
// Delete File - Overquota
if (unlink($target)) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 6;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
// Write Log - Delete Error (nach Rollback)
return 6;
}
}
} else {
// Delete File - Equals previous version
if (unlink($target)) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 5;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
// Write Log - Delete Error
return 5;
}
}
} else {
if ($file_upload_error_no == 1 or $file_upload_error_no == 2) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 4;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 2;
}
}
}
// End If/Else - Forbidden File-Types
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 3;
}
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return 8;
}
} else {
return 3;
}
}