me.tfeng.play.security.oauth2.OAuth2AuthenticationAction Maven / Gradle / Ivy

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/**
 * 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.security.oauth2;

import me.tfeng.play.plugins.OAuth2Plugin;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken;

import play.Logger;
import play.Logger.ALogger;
import play.libs.F.Promise;
import play.mvc.Action;
import play.mvc.Http.Context;
import play.mvc.Http.Request;
import play.mvc.Result;

/**
 * @author Thomas Feng ([email protected])
 */
public class OAuth2AuthenticationAction extends Action {

  private static final ALogger LOG = Logger.of(OAuth2AuthenticationAction.class);

  @Override
  public Promise call(Context context) throws Throwable {
    Request request = context.request();
    String token = getAuthorizationToken(request);
    if (token == null) {
      token = request.getQueryString(OAuth2AccessToken.ACCESS_TOKEN);
    }
    if (token == null) {
      LOG.info("Authentication skipped");
    } else {
      Authentication authRequest = new PreAuthenticatedAuthenticationToken(token, "");
      Authentication authResult =
          OAuth2Plugin.getInstance().getOAuth2AuthenticationManager().authenticate(authRequest);
      SecurityContextHolder.getContext().setAuthentication(authResult);
      LOG.info("Authenticated successfully");
    }
    try {
      return delegate.call(context);
    } finally {
      SecurityContextHolder.clearContext();
    }
  }

  protected String getAuthorizationToken(Request request) {
    String[] headers = request.headers().get("Authorization");
    if (headers != null) {
      for (String header : headers) {
        if (header.toLowerCase().startsWith(OAuth2AccessToken.BEARER_TYPE.toLowerCase())) {
          String authHeaderValue = header.substring(OAuth2AccessToken.BEARER_TYPE.length()).trim();
          return authHeaderValue.split(",")[0];
        }
      }
    }
    return null;
  }
}