de.thm.arsnova.controller.SecurityExceptionControllerAdvice.java Source code

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Here is the source code for de.thm.arsnova.controller.SecurityExceptionControllerAdvice.java

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/*
 * This file is part of ARSnova Backend.
 * Copyright (C) 2012-2015 The ARSnova Team
 *
 * ARSnova Backend is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ARSnova Backend is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.thm.arsnova.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.authentication.AuthenticationCredentialsNotFoundException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;

import de.thm.arsnova.exceptions.BadRequestException;
import de.thm.arsnova.exceptions.ForbiddenException;
import de.thm.arsnova.exceptions.NoContentException;
import de.thm.arsnova.exceptions.NotFoundException;
import de.thm.arsnova.exceptions.NotImplementedException;
import de.thm.arsnova.exceptions.PreconditionFailedException;
import de.thm.arsnova.exceptions.UnauthorizedException;
import de.thm.arsnova.exceptions.RequestEntityTooLargeException;

@ControllerAdvice
public class SecurityExceptionControllerAdvice {

    @ResponseStatus(HttpStatus.NOT_FOUND)
    @ExceptionHandler(NotFoundException.class)
    public void handleNotFoundException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.UNAUTHORIZED)
    @ExceptionHandler(UnauthorizedException.class)
    public void handleUnauthorizedException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.UNAUTHORIZED)
    @ExceptionHandler(AuthenticationCredentialsNotFoundException.class)
    public void handleAuthenticationCredentialsNotFoundException(final Exception e,
            final HttpServletRequest request) {
    }

    @ExceptionHandler(AccessDeniedException.class)
    public void handleAccessDeniedException(final Exception e, final HttpServletRequest request,
            final HttpServletResponse response) {
        final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || authentication.getPrincipal() == null
                || authentication instanceof AnonymousAuthenticationToken) {
            response.setStatus(HttpStatus.UNAUTHORIZED.value());
            return;
        }
        response.setStatus(HttpStatus.FORBIDDEN.value());
    }

    @ResponseStatus(HttpStatus.FORBIDDEN)
    @ExceptionHandler(ForbiddenException.class)
    public void handleForbiddenException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.NO_CONTENT)
    @ExceptionHandler(NoContentException.class)
    public void handleNoContentException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.BAD_REQUEST)
    @ExceptionHandler(BadRequestException.class)
    public void handleBadRequestException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.PRECONDITION_FAILED)
    @ExceptionHandler(PreconditionFailedException.class)
    public void handlePreconditionFailedException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.NOT_IMPLEMENTED)
    @ExceptionHandler(NotImplementedException.class)
    public void handleNotImplementedException(final Exception e, final HttpServletRequest request) {
    }

    @ResponseStatus(HttpStatus.REQUEST_ENTITY_TOO_LARGE)
    @ExceptionHandler(RequestEntityTooLargeException.class)
    public void handleRequestEntityTooLargeException(final Exception e, final HttpServletRequest request) {
    }
}