001
014
015 package com.liferay.portal.webdav.methods;
016
017 import com.liferay.portal.kernel.exception.PortalException;
018 import com.liferay.portal.kernel.exception.SystemException;
019 import com.liferay.portal.kernel.log.Log;
020 import com.liferay.portal.kernel.log.LogFactoryUtil;
021 import com.liferay.portal.kernel.util.FileUtil;
022 import com.liferay.portal.kernel.util.StringPool;
023 import com.liferay.portal.kernel.util.Validator;
024 import com.liferay.portal.kernel.webdav.Resource;
025 import com.liferay.portal.kernel.webdav.WebDAVException;
026 import com.liferay.portal.kernel.webdav.WebDAVRequest;
027 import com.liferay.portal.kernel.webdav.WebDAVStorage;
028 import com.liferay.portal.kernel.webdav.WebDAVUtil;
029 import com.liferay.portal.kernel.xml.Document;
030 import com.liferay.portal.kernel.xml.Element;
031 import com.liferay.portal.kernel.xml.Namespace;
032 import com.liferay.portal.kernel.xml.QName;
033 import com.liferay.portal.kernel.xml.SAXReaderUtil;
034 import com.liferay.portal.model.Lock;
035 import com.liferay.portal.model.WebDAVProps;
036 import com.liferay.portal.service.WebDAVPropsLocalServiceUtil;
037 import com.liferay.portal.webdav.InvalidRequestException;
038 import com.liferay.portal.webdav.LockException;
039 import com.liferay.util.xml.XMLFormatter;
040
041 import java.util.HashSet;
042 import java.util.List;
043 import java.util.Set;
044
045 import javax.servlet.http.HttpServletRequest;
046 import javax.servlet.http.HttpServletResponse;
047
048
051 public class ProppatchMethodImpl extends BasePropMethodImpl {
052
053 @Override
054 public int process(WebDAVRequest webDAVRequest) throws WebDAVException {
055 try {
056 Set<QName> props = processInstructions(webDAVRequest);
057
058 return writeResponseXML(webDAVRequest, props);
059 }
060 catch (InvalidRequestException ire) {
061 if (_log.isInfoEnabled()) {
062 _log.info(ire.getMessage(), ire);
063 }
064
065 return HttpServletResponse.SC_BAD_REQUEST;
066 }
067 catch (LockException le) {
068 return WebDAVUtil.SC_LOCKED;
069 }
070 catch (Exception e) {
071 throw new WebDAVException(e);
072 }
073 }
074
075 protected WebDAVProps getStoredProperties(WebDAVRequest webDAVRequest)
076 throws PortalException, SystemException {
077
078 WebDAVStorage storage = webDAVRequest.getWebDAVStorage();
079
080 Resource resource = storage.getResource(webDAVRequest);
081
082 WebDAVProps webDavProps = null;
083
084 if (resource.getPrimaryKey() <= 0) {
085 if (_log.isWarnEnabled()) {
086 _log.warn("There is no primary key set for resource");
087 }
088
089 throw new InvalidRequestException();
090 }
091 else if (resource.isLocked()) {
092 Lock lock = resource.getLock();
093
094 if ((lock == null) ||
095 !lock.getUuid().equals(webDAVRequest.getLockUuid())) {
096
097 throw new LockException();
098 }
099 }
100
101 webDavProps = WebDAVPropsLocalServiceUtil.getWebDAVProps(
102 webDAVRequest.getCompanyId(), resource.getClassName(),
103 resource.getPrimaryKey());
104
105 return webDavProps;
106 }
107
108 protected Set<QName> processInstructions(WebDAVRequest webDAVRequest)
109 throws InvalidRequestException, LockException {
110
111 try {
112 Set<QName> newProps = new HashSet<QName>();
113
114 HttpServletRequest request = webDAVRequest.getHttpServletRequest();
115
116 WebDAVProps webDavProps = getStoredProperties(webDAVRequest);
117
118 String xml = new String(
119 FileUtil.getBytes(request.getInputStream()));
120
121 if (Validator.isNull(xml)) {
122 return newProps;
123 }
124
125 if (_log.isInfoEnabled()) {
126 _log.info(
127 "Request XML: \n" +
128 XMLFormatter.toString(xml, StringPool.FOUR_SPACES));
129 }
130
131 Document document = SAXReaderUtil.read(xml);
132
133 Element rootElement = document.getRootElement();
134
135 List<Element> instructionElements = rootElement.elements();
136
137 for (Element instructionElement : instructionElements) {
138 List<Element> propElements = instructionElement.elements();
139
140 if (propElements.size() != 1) {
141 throw new InvalidRequestException(
142 "There should only be one <prop /> per set or remove " +
143 "instruction.");
144 }
145
146 Element propElement = propElements.get(0);
147
148 if (!propElement.getName().equals("prop") ||
149 !propElement.getNamespaceURI().equals(
150 WebDAVUtil.DAV_URI.getURI())) {
151
152 throw new InvalidRequestException(
153 "Invalid <prop /> element " + propElement);
154 }
155
156 List<Element> customPropElements = propElement.elements();
157
158 for (Element customPropElement : customPropElements) {
159 String name = customPropElement.getName();
160 String prefix = customPropElement.getNamespacePrefix();
161 String uri = customPropElement.getNamespaceURI();
162 String text = customPropElement.getText();
163
164 Namespace namespace = WebDAVUtil.createNamespace(
165 prefix, uri);
166
167 if (instructionElement.getName().equals("set")) {
168 if (Validator.isNull(text)) {
169 webDavProps.addProp(name, prefix, uri);
170 }
171 else {
172 webDavProps.addProp(name, prefix, uri, text);
173 }
174
175 newProps.add(
176 SAXReaderUtil.createQName(
177 customPropElement.getName(), namespace));
178 }
179 else if (instructionElement.getName().equals("remove")) {
180 webDavProps.removeProp(name, prefix, uri);
181 }
182 else {
183 throw new InvalidRequestException(
184 "Instead of set/remove instruction, received " +
185 instructionElement);
186 }
187 }
188 }
189
190 WebDAVPropsLocalServiceUtil.storeWebDAVProps(webDavProps);
191
192 return newProps;
193 }
194 catch (LockException le) {
195 throw le;
196 }
197 catch (Exception e) {
198 throw new InvalidRequestException(e);
199 }
200 }
201
202 private static Log _log = LogFactoryUtil.getLog(ProppatchMethodImpl.class);
203
204 }