001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.jsonwebservice;
016    
017    import com.liferay.portal.action.JSONServiceAction;
018    import com.liferay.portal.jsonwebservice.action.JSONWebServiceDiscoverAction;
019    import com.liferay.portal.jsonwebservice.action.JSONWebServiceInvokerAction;
020    import com.liferay.portal.kernel.json.JSONFactoryUtil;
021    import com.liferay.portal.kernel.jsonwebservice.JSONWebServiceAction;
022    import com.liferay.portal.kernel.jsonwebservice.JSONWebServiceActionsManagerUtil;
023    import com.liferay.portal.kernel.log.Log;
024    import com.liferay.portal.kernel.log.LogFactoryUtil;
025    import com.liferay.portal.kernel.upload.UploadException;
026    import com.liferay.portal.kernel.util.CharPool;
027    import com.liferay.portal.kernel.util.ClassUtil;
028    import com.liferay.portal.kernel.util.GetterUtil;
029    import com.liferay.portal.kernel.util.StringBundler;
030    import com.liferay.portal.kernel.util.StringPool;
031    import com.liferay.portal.kernel.util.StringUtil;
032    import com.liferay.portal.kernel.util.Validator;
033    import com.liferay.portal.util.WebKeys;
034    
035    import java.lang.reflect.InvocationTargetException;
036    
037    import javax.servlet.http.HttpServletRequest;
038    import javax.servlet.http.HttpServletResponse;
039    
040    import org.apache.struts.action.ActionForm;
041    import org.apache.struts.action.ActionMapping;
042    
043    /**
044     * @author Igor Spasic
045     * @author Raymond Aug??
046     */
047    public class JSONWebServiceServiceAction extends JSONServiceAction {
048    
049            @Override
050            public String getJSON(
051                            ActionMapping actionMapping, ActionForm actionForm,
052                            HttpServletRequest request, HttpServletResponse response)
053                    throws Exception {
054    
055                    UploadException uploadException = (UploadException)request.getAttribute(
056                            WebKeys.UPLOAD_EXCEPTION);
057    
058                    if (uploadException != null) {
059                            return JSONFactoryUtil.serializeThrowable(uploadException);
060                    }
061    
062                    JSONWebServiceAction jsonWebServiceAction = null;
063    
064                    try {
065                            jsonWebServiceAction = getJSONWebServiceAction(request);
066    
067                            Object returnObj = jsonWebServiceAction.invoke();
068    
069                            if (returnObj != null) {
070                                    return getReturnValue(returnObj);
071                            }
072                            else {
073                                    return JSONFactoryUtil.getNullJSON();
074                            }
075                    }
076                    catch (InvocationTargetException ite) {
077                            Throwable throwable = ite.getCause();
078    
079                            if (throwable instanceof SecurityException) {
080                                    throw (SecurityException)throwable;
081                            }
082    
083                            if (_log.isDebugEnabled()) {
084                                    _log.debug(getThrowableMessage(throwable), throwable);
085                            }
086                            else {
087                                    _log.error(getThrowableMessage(throwable));
088                            }
089    
090                            return JSONFactoryUtil.serializeThrowable(throwable);
091                    }
092                    catch (Exception e) {
093                            if (_log.isDebugEnabled()) {
094                                    _log.debug(getThrowableMessage(e), e);
095                            }
096                            else {
097                                    _log.error(getThrowableMessage(e));
098                            }
099    
100                            return JSONFactoryUtil.serializeThrowable(e);
101                    }
102            }
103    
104            /**
105             * @see JSONServiceAction#getCSRFOrigin(HttpServletRequest)
106             */
107            @Override
108            protected String getCSRFOrigin(HttpServletRequest request) {
109                    String uri = request.getRequestURI();
110    
111                    int x = uri.indexOf("jsonws/");
112    
113                    if (x < 0) {
114                            return ClassUtil.getClassName(this);
115                    }
116    
117                    String path = uri.substring(x + 7);
118    
119                    String[] pathArray = StringUtil.split(path, CharPool.SLASH);
120    
121                    if (pathArray.length < 2) {
122                            return ClassUtil.getClassName(this);
123                    }
124    
125                    StringBundler sb = new StringBundler(6);
126    
127                    sb.append(ClassUtil.getClassName(this));
128                    sb.append(StringPool.COLON);
129                    sb.append(StringPool.SLASH);
130    
131                    String serviceClassName = pathArray[0];
132    
133                    sb.append(serviceClassName);
134    
135                    sb.append(StringPool.SLASH);
136    
137                    String serviceMethodName = pathArray[1];
138    
139                    sb.append(serviceMethodName);
140    
141                    return sb.toString();
142            }
143    
144            protected JSONWebServiceAction getJSONWebServiceAction(
145                    HttpServletRequest request) {
146    
147                    String path = GetterUtil.getString(request.getPathInfo());
148    
149                    if (path.equals("/invoke")) {
150                            return new JSONWebServiceInvokerAction(request);
151                    }
152    
153                    if (request.getParameter("discover") != null) {
154                            return new JSONWebServiceDiscoverAction(request);
155                    }
156    
157                    return JSONWebServiceActionsManagerUtil.getJSONWebServiceAction(
158                            request);
159            }
160    
161            @Override
162            protected String getReroutePath() {
163                    return _REROUTE_PATH;
164            }
165    
166            protected String getThrowableMessage(Throwable throwable) {
167                    String message = throwable.getMessage();
168    
169                    if (Validator.isNotNull(message)) {
170                            return message;
171                    }
172    
173                    return throwable.toString();
174            }
175    
176            private static final String _REROUTE_PATH = "/jsonws";
177    
178            private static Log _log = LogFactoryUtil.getLog(
179                    JSONWebServiceServiceAction.class);
180    
181    }