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    1   /*
    2    * Copyright [2006] [University Corporation for Advanced Internet Development, Inc.]
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    * http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16
    17  package edu.internet2.middleware.shibboleth.idp.authn.provider;
    18
    19  import java.io.IOException;
    20
    21  import javax.servlet.http.HttpServletRequest;
    22  import javax.servlet.http.HttpServletResponse;
    23
    24  import org.slf4j.Logger;
    25  import org.slf4j.LoggerFactory;
    26
    27  import edu.internet2.middleware.shibboleth.idp.util.HttpServletHelper;
    28
    29  /**
    30   * Authentication Handler that redirects to servlet protected by a Web Single-Sign-On system.
    31   */
    32  public class RemoteUserLoginHandler extends AbstractLoginHandler {
    33
    34      /** Class logger. */
    35      private final Logger log = LoggerFactory.getLogger(RemoteUserLoginHandler.class);
    36
    37      /** The URL of the SSO-protected servlet. */
    38      private String servletURL;
    39
    40      /**
    41       * Set the SSO-protected servlet's URL.
    42       *
    43       * @param url The URL of the SSO-protected servlet.
    44       */
    45      public void setServletURL(String url) {
    46          servletURL = url;
    47      }
    48
    49      /**
    50       * Get the URL of the SSO-protected servlet.
    51       *
    52       * @return The URL of the SSO-protected servlet.
    53       */
    54      public String getServletURL() {
    55          return servletURL;
    56      }
    57
    58      /** {@inheritDoc} */
    59      public void login(HttpServletRequest httpRequest, HttpServletResponse httpResponse) {
    60
    61          // forward control to the servlet.
    62          try {
    63              String profileUrl = HttpServletHelper.getContextRelativeUrl(httpRequest, servletURL).buildURL();
    64
    65              log.debug("Redirecting to {}", profileUrl);
    66              httpResponse.sendRedirect(profileUrl);
    67              return;
    68          } catch (IOException ex) {
    69              log.error("Unable to redirect to remote user authentication servlet.", ex);
    70          }
    71      }
    72  }