1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.captcha;
21  
22  import com.liferay.portal.kernel.captcha.CaptchaUtil;
23  import com.liferay.portal.util.PortalUtil;
24  
25  import javax.servlet.http.HttpServletRequest;
26  import javax.servlet.http.HttpServletResponse;
27  
28  import org.apache.struts.action.Action;
29  import org.apache.struts.action.ActionForm;
30  import org.apache.struts.action.ActionForward;
31  import org.apache.struts.action.ActionMapping;
32  
33  /**
34   * <a href="CaptchaPortalAction.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class CaptchaPortalAction extends Action {
40  
41      public ActionForward execute(
42              ActionMapping mapping, ActionForm form, HttpServletRequest request,
43              HttpServletResponse response)
44          throws Exception {
45  
46          try {
47              CaptchaUtil.serveImage(request, response);
48          }
49          catch (Exception e) {
50              PortalUtil.sendError(e, request, response);
51          }
52  
53          return null;
54      }
55  
56  }