@Override
public void init() throws ServletException {
ServletContextFactory.setServletContext(getServletContext());
IConfiguration configuration = null;
try {
String className = getServletConfig().getInitParameter("configuration");
if (className != null) {
Class<?> clazz = Class.forName(className);
if (clazz.getConstructor(ServletConfig.class) != null) {
configuration =
(IConfiguration)
clazz.getConstructor(ServletConfig.class).newInstance(getServletConfig());
} else {
configuration = (IConfiguration) clazz.newInstance();
}
} else {
configuration = new Configuration(getServletConfig());
}
} catch (Exception e) {
configuration = new Configuration(getServletConfig());
}
try {
configuration.init();
AccessControlUtil.getInstance(configuration).loadACLConfig();
} catch (Exception e) {
if (Boolean.valueOf(getServletConfig().getInitParameter("debug"))) {
e.printStackTrace();
}
this.startException = e;
configuration = null;
}
ConfigurationFactory.getInstace().setConfiguration(configuration);
}
/**
* check if connector is enabled and checks authentication.
*
* @param request current request.
* @return true if connector is enabled and user is authenticated
* @throws ConnectorException when connector is disabled
*/
protected boolean checkConnector(final HttpServletRequest request) throws ConnectorException {
if (!configuration.enabled() || !configuration.checkAuthentication(request)) {
throw new ConnectorException(
Constants.Errors.CKFINDER_CONNECTOR_ERROR_CONNECTOR_DISABLED, false);
}
return true;
}
/**
* checks if current folder exists.
*
* @param request request
* @return true if exists
* @throws ConnectorException if doesn't exists
*/
protected boolean checkIfCurrFolderExists(final HttpServletRequest request)
throws ConnectorException {
String tmpType = getParameter(request, "type");
if (tmpType != null) {
File currDir = new File(configuration.getTypes().get(tmpType).getPath() + this.currentFolder);
if (!currDir.exists() || !currDir.isDirectory()) {
throw new ConnectorException(
Constants.Errors.CKFINDER_CONNECTOR_ERROR_FOLDER_NOT_FOUND, false);
} else {
return true;
}
}
return true;
}
/**
* initialize params for command handler.
*
* @param request request
* @param configuration connector configuration
* @param params execute additional params.
* @throws ConnectorException to handle in error handler.
*/
public void initParams(
final HttpServletRequest request, final IConfiguration configuration, final Object... params)
throws ConnectorException {
if (configuration != null) {
this.configuration = configuration;
this.userRole = (String) request.getSession().getAttribute(configuration.getUserRoleName());
getCurrentFolderParam(request);
if (checkConnector(request) && checkParam(this.currentFolder)) {
this.currentFolder = PathUtils.escape(this.currentFolder);
if (!checkHidden()) {
if ((this.currentFolder == null || this.currentFolder.equals(""))
|| checkIfCurrFolderExists(request)) {
this.type = getParameter(request, "type");
}
}
}
}
}
/**
* Creating reponse for every command in request param.
*
* @param request request
* @param response response
* @param post if it's post command.
* @throws ServletException when error occurs.
*/
private void getResponse(
final HttpServletRequest request, final HttpServletResponse response, final boolean post)
throws ServletException {
// 判断文件夹是否存在，不存在则创建,此处控制用户只查看自己有权限的文件
if (request.getSession().getAttribute("currentFolder") != null) {
String filesFolder =
request.getRealPath(
"/userfiles/files/" + request.getSession().getAttribute("currentFolder").toString());
File filesFolderFile = new File(filesFolder);
if (!filesFolderFile.exists()) {
filesFolderFile.mkdirs();
}
String flashFolder =
request.getRealPath(
"/userfiles/flash/" + request.getSession().getAttribute("currentFolder").toString());
File flashFolderFile = new File(flashFolder);
if (!flashFolderFile.exists()) {
flashFolderFile.mkdirs();
}
String imagesFolder =
request.getRealPath(
"/userfiles/images/" + request.getSession().getAttribute("currentFolder").toString());
File imagesFolderFile = new File(imagesFolder);
if (!imagesFolderFile.exists()) {
imagesFolderFile.mkdirs();
}
}
if (startException != null && Boolean.valueOf(getServletConfig().getInitParameter("debug"))) {
throw new ServletException(startException);
}
String command = request.getParameter("command");
IConfiguration configuration = null;
try {
configuration = ConfigurationFactory.getInstace().getConfiguration(request);
if (configuration == null) {
throw new Exception("Configuration wasn't initialized correctly. Check server logs.");
}
} catch (Exception e) {
if (Boolean.valueOf(getServletConfig().getInitParameter("debug"))) {
e.printStackTrace();
}
throw new ServletException(e);
}
try {
if (command == null || command.equals("")) {
throw new ConnectorException(
Constants.Errors.CKFINDER_CONNECTOR_ERROR_INVALID_COMMAND, false);
}
configuration.setDebugMode(Boolean.valueOf(getServletConfig().getInitParameter("debug")));
CommandHandlerEnum cmd = null;
try {
cmd = CommandHandlerEnum.valueOf(command.toUpperCase());
// checks if command should go via POST request or it's a post request
// and it's not upload command
if ((cmd.getCommand() instanceof IPostCommand || post)
&& !CommandHandlerEnum.FILEUPLOAD.equals(cmd)
&& !CommandHandlerEnum.QUICKUPLOAD.equals(cmd)) {
checkPostRequest(request);
}
} catch (IllegalArgumentException e1) {
// Ignore custom plugins commands
}
BeforeExecuteCommandEventArgs args = new BeforeExecuteCommandEventArgs();
args.setCommand(command);
args.setRequest(request);
args.setResponse(response);
if (configuration.getEvents() != null) {
if (configuration.getEvents().run(EventTypes.BeforeExecuteCommand, args, configuration)) {
cmd = CommandHandlerEnum.valueOf(command.toUpperCase());
cmd.execute(request, response, configuration, getServletContext());
}
} else {
cmd = CommandHandlerEnum.valueOf(command.toUpperCase());
cmd.execute(request, response, configuration, getServletContext());
}
} catch (IllegalArgumentException e) {
if (Boolean.valueOf(getServletConfig().getInitParameter("debug"))) {
e.printStackTrace();
response.reset();
throw new ServletException(e);
} else {
handleError(
new ConnectorException(
Constants.Errors.CKFINDER_CONNECTOR_ERROR_INVALID_COMMAND, false),
configuration,
request,
response,
command);
}
} catch (ConnectorException e) {
if (Boolean.valueOf(getServletConfig().getInitParameter("debug"))
&& e.getException() != null) {
e.getException().printStackTrace();
response.reset();
throw new ServletException(e.getException());
} else {
handleError(e, configuration, request, response, command);
}
} catch (Exception e) {
if (Boolean.valueOf(getServletConfig().getInitParameter("debug"))) {
e.printStackTrace();
response.reset();
throw new ServletException(e);
} else {
handleError(new ConnectorException(e), configuration, request, response, command);
}
}
}