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.Tuple;
024 import com.liferay.portal.kernel.util.Validator;
025 import com.liferay.portal.kernel.webdav.Resource;
026 import com.liferay.portal.kernel.webdav.WebDAVException;
027 import com.liferay.portal.kernel.webdav.WebDAVRequest;
028 import com.liferay.portal.kernel.webdav.WebDAVStorage;
029 import com.liferay.portal.kernel.webdav.WebDAVUtil;
030 import com.liferay.portal.kernel.xml.Document;
031 import com.liferay.portal.kernel.xml.Element;
032 import com.liferay.portal.kernel.xml.Namespace;
033 import com.liferay.portal.kernel.xml.SAXReaderUtil;
034 import com.liferay.portal.model.WebDAVProps;
035 import com.liferay.portal.service.WebDAVPropsLocalServiceUtil;
036 import com.liferay.portal.webdav.InvalidRequestException;
037 import com.liferay.portal.webdav.LockException;
038 import com.liferay.util.xml.XMLFormatter;
039
040 import java.util.HashSet;
041 import java.util.Iterator;
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 public int process(WebDAVRequest webDavRequest) throws WebDAVException {
054 try {
055 Set<Tuple> props = processInstructions(webDavRequest);
056
057 return writeResponseXML(webDavRequest, props);
058 }
059 catch (InvalidRequestException ire) {
060 if (_log.isInfoEnabled()) {
061 _log.info(ire.getMessage(), ire);
062 }
063
064 return HttpServletResponse.SC_BAD_REQUEST;
065 }
066 catch (LockException le) {
067 return WebDAVUtil.SC_LOCKED;
068 }
069 catch (Exception e) {
070 throw new WebDAVException(e);
071 }
072 }
073
074 protected WebDAVProps getStoredProperties(WebDAVRequest webDavRequest)
075 throws PortalException, SystemException {
076
077 WebDAVStorage storage = webDavRequest.getWebDAVStorage();
078
079 Resource resource = storage.getResource(webDavRequest);
080
081 WebDAVProps webDavProps = null;
082
083 if (resource.getPrimaryKey() <= 0) {
084 if (_log.isWarnEnabled()) {
085 _log.warn("There is no primary key set for resource");
086 }
087
088 throw new InvalidRequestException();
089 }
090 else if (resource.isLocked()) {
091 throw new LockException();
092 }
093
094 webDavProps = WebDAVPropsLocalServiceUtil.getWebDAVProps(
095 webDavRequest.getCompanyId(), resource.getClassName(),
096 resource.getPrimaryKey());
097
098 return webDavProps;
099 }
100
101 protected Set<Tuple> processInstructions(WebDAVRequest webDavRequest)
102 throws InvalidRequestException, LockException {
103
104 try {
105 Set<Tuple> newProps = new HashSet<Tuple>();
106
107 HttpServletRequest request = webDavRequest.getHttpServletRequest();
108
109 WebDAVProps webDavProps = getStoredProperties(webDavRequest);
110
111 String xml = new String(
112 FileUtil.getBytes(request.getInputStream()));
113
114 if (Validator.isNull(xml)) {
115 return newProps;
116 }
117
118 if (_log.isInfoEnabled()) {
119 _log.info(
120 "Request XML: \n" +
121 XMLFormatter.toString(xml, StringPool.FOUR_SPACES));
122 }
123
124 Document doc = SAXReaderUtil.read(xml);
125
126 Element root = doc.getRootElement();
127
128 Iterator<Element> itr = root.elements().iterator();
129
130 while (itr.hasNext()) {
131 Element instruction = itr.next();
132
133 List<Element> list = instruction.elements();
134
135 if (list.size() != 1) {
136 throw new InvalidRequestException(
137 "There should only be one <prop /> per set or remove " +
138 "instruction.");
139 }
140
141 Element prop = list.get(0);
142
143 if (!prop.getName().equals("prop") ||
144 !prop.getNamespaceURI().equals(
145 WebDAVUtil.DAV_URI.getURI())) {
146
147 throw new InvalidRequestException(
148 "Invalid <prop /> element " + prop);
149 }
150
151 list = prop.elements();
152
153 if (list.size() != 1) {
154 throw new InvalidRequestException(
155 "<prop /> should only have one subelement.");
156 }
157
158 Element customProp = list.get(0);
159
160 String name = customProp.getName();
161 String prefix = customProp.getNamespacePrefix();
162 String uri = customProp.getNamespaceURI();
163 String text = customProp.getText();
164
165 Namespace namespace = null;
166
167 if (uri.equals(WebDAVUtil.DAV_URI.getURI())) {
168 namespace = WebDAVUtil.DAV_URI;
169 }
170 else if (Validator.isNull(prefix)) {
171 namespace = SAXReaderUtil.createNamespace(uri);
172 }
173 else {
174 namespace = SAXReaderUtil.createNamespace(prefix, uri);
175 }
176
177 if (instruction.getName().equals("set")) {
178 if (Validator.isNull(text)) {
179 webDavProps.addProp(name, prefix, uri);
180 }
181 else {
182 webDavProps.addProp(name, prefix, uri, text);
183 }
184
185 newProps.add(new Tuple(customProp.getName(), namespace));
186 }
187 else if (instruction.getName().equals("remove")) {
188 webDavProps.removeProp(name, prefix, uri);
189 }
190 else {
191 throw new InvalidRequestException(
192 "Instead of set/remove instruction, received " +
193 instruction);
194 }
195 }
196
197 WebDAVPropsLocalServiceUtil.storeWebDAVProps(webDavProps);
198
199 return newProps;
200 }
201 catch (LockException le) {
202 throw le;
203 }
204 catch (Exception e) {
205 throw new InvalidRequestException(e);
206 }
207 }
208
209 private static Log _log = LogFactoryUtil.getLog(ProppatchMethodImpl.class);
210
211 }