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oauth2-plugin
There is a newer version: 0.4.1
/**
 * Copyright 2014 Thomas Feng
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package me.tfeng.play.plugins;

import java.lang.reflect.InvocationTargetException;

import me.tfeng.play.security.oauth2.AuthenticationError;
import me.tfeng.play.security.oauth2.AuthenticationManagerClient;
import me.tfeng.play.spring.WithSpringConfig;

import org.apache.avro.ipc.AsyncHttpException;
import org.apache.http.HttpStatus;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.PermissionEvaluator;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.common.exceptions.ClientAuthenticationException;
import org.springframework.security.oauth2.provider.ClientRegistrationException;

import play.Application;
import play.Play;

/**
 * @author Thomas Feng ([email protected])
 */
@WithSpringConfig("classpath*:play-plugins/spring/oauth2-plugin.xml")
public class OAuth2Plugin extends AbstractPlugin {

  public static OAuth2Plugin getInstance() {
    return Play.application().plugin(OAuth2Plugin.class);
  }

  public static boolean isAuthenticationError(Throwable t) {
    if (t instanceof AccessDeniedException
        || t instanceof AuthenticationException
        || t instanceof ClientAuthenticationException
        || t instanceof ClientRegistrationException
        || t instanceof AuthenticationError
        || (t instanceof AsyncHttpException)
            && ((AsyncHttpException) t).getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
      return true;
    }

    Throwable cause = t.getCause();
    if (cause != t && cause != null && isAuthenticationError(cause)) {
      return true;
    }

    if (t instanceof InvocationTargetException) {
      Throwable target = ((InvocationTargetException) t).getTargetException();
      if (isAuthenticationError(target)) {
        return true;
      }
    }

    return false;
  }

  @Autowired
  @Qualifier("oauth2-plugin.authentication-manager")
  private AuthenticationManagerClient authenticationManager;

  @Autowired(required = false)
  @Qualifier("oauth2-plugin.permission-evaluator")
  private PermissionEvaluator permissionEvaluator;

  public OAuth2Plugin(Application application) {
    super(application);
  }

  public AuthenticationManagerClient getAuthenticationManager() {
    return authenticationManager;
  }

  public PermissionEvaluator getPermissionEvaluator() {
    return permissionEvaluator;
  }
}