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1
25
26 package com.j2biz.blogunity.web.actions.my;
27
28 import java.io.File  ;
29 import java.io.IOException ;
30 import java.io.InputStream ;
31 import java.util.Iterator ;
32 import java.util.List ;
33 import java.util.zip.ZipInputStream ;
34
35 import javax.servlet.http.HttpServletRequest ;
36 import javax.servlet.http.HttpServletResponse ;
37
38 import org.apache.commons.fileupload.DiskFileUpload;
39 import org.apache.commons.fileupload.FileItem;
40 import org.apache.commons.fileupload.FileUpload;
41 import org.apache.commons.fileupload.FileUploadException;
42 import org.apache.commons.lang.StringUtils;
43 import org.apache.commons.logging.Log;
44 import org.apache.commons.logging.LogFactory;
45
46 import com.j2biz.blogunity.BlogunityManager;
47 import com.j2biz.blogunity.dao.BlogDAO;
48 import com.j2biz.blogunity.exception.BlogunityException;
49 import com.j2biz.blogunity.i18n.I18N;
50 import com.j2biz.blogunity.i18n.I18NStatusFactory;
51 import com.j2biz.blogunity.pojo.Blog;
52 import com.j2biz.blogunity.pojo.SystemConfiguration;
53 import com.j2biz.blogunity.util.ResourceUtils;
54 import com.j2biz.blogunity.web.ActionResultFactory;
55 import com.j2biz.blogunity.web.FormError;
56 import com.j2biz.blogunity.web.FormErrorList;
57 import com.j2biz.blogunity.web.IActionResult;
58
59
66 public class ImportBlogThemeAction extends MyAbstractAction {
67
70 private static final Log log = LogFactory.getLog(ImportBlogThemeAction.class);
71
72 private static final IActionResult THEME_FORM_FORWARD = ActionResultFactory
73 .buildForward("/jsp/my/editBlogThemeForm.jsp");
74
75
81 public IActionResult execute(HttpServletRequest request, HttpServletResponse response)
82 throws BlogunityException {
83
84 boolean isMultipart = FileUpload.isMultipartContent(request);
85
86 if (!isMultipart) {
87
88 throw new BlogunityException(I18NStatusFactory.create(I18N.ERRORS.NOT_MULTIPART));
89
90 }
91
92 FormErrorList errors = new FormErrorList();
93 DiskFileUpload upload = new DiskFileUpload();
94
95 upload.setRepositoryPath(BlogunityManager.getSystemConfiguration().getTempDir());
100
101 List items;
102 try {
103 items = upload.parseRequest(request);
104 } catch (FileUploadException e) {
105 throw new BlogunityException(I18NStatusFactory.create(
106 I18N.ERRORS.UNABLE_TO_PARSE_UPLOAD, e));
107 }
108
109 Blog blog = null;
111 String fieldName = null;
112 String fileName = null;
113 String contentType = null;
114 boolean isInMemory = false;
115 long sizeInBytes = 0;
116 InputStream uploadedStream = null;
117
118 Iterator iter = items.iterator();
119 while (iter.hasNext()) {
120 FileItem item = (FileItem) iter.next();
121
122 if (item.isFormField()) {
123 String name = item.getFieldName();
124 String value = item.getString();
125
126 if (name.equals("blogId") && StringUtils.isNotEmpty(value)) {
127 try {
128 blog = (new BlogDAO()).getBlogByID(Long.parseLong(value));
129 } catch (Exception e1) {
130 blog = null;
131 }
132 }
133
134 } else {
135 fieldName = item.getFieldName();
136 fileName = item.getName();
137 contentType = item.getContentType();
138 isInMemory = item.isInMemory();
139 sizeInBytes = item.getSize();
140 try {
141 uploadedStream = item.getInputStream();
142 } catch (IOException e1) {
143 uploadedStream = null;
144 }
145 }
146 }
147
148 if (blog == null) { throw new BlogunityException(I18NStatusFactory.create(
149 I18N.ERRORS.NOT_FOUND, "Blog")); }
150 if (blog.getFounder().getId().longValue() != user.getId().longValue()
151 && !user.isAdministrator())
152 throw new BlogunityException(I18NStatusFactory
153 .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
154
155 if (StringUtils.isEmpty(fileName)) {
156 errors.add(new FormError("themeFile", "Theme-File is not specified!"));
157 }
158
159 if (errors.size() == 0) {
160
161 if (fieldName.equals("themeFile")) {
162 if (log.isDebugEnabled()) {
163 log.debug("Parsing uploaded file: name=" + fileName + ", contentType="
164 + contentType + ", size=" + sizeInBytes);
165 }
166
167 File unzipDir = new File (BlogunityManager.getSystemConfiguration().getTempDir(),
168 "theme-upload" + System.currentTimeMillis());
169 boolean result = unzipDir.mkdir();
170 if (!result)
171 throw new BlogunityException(I18NStatusFactory.create(
172 I18N.ERRORS.CREATE_DIRECTORY, unzipDir.getAbsolutePath()));
173
174 try {
175 ZipInputStream zin = new ZipInputStream (uploadedStream);
176 ResourceUtils.unzipFile(zin, unzipDir);
177
178 File realThemeDir = checkUploadedTheme(unzipDir);
179
180 SystemConfiguration config = BlogunityManager.getSystemConfiguration();
182 File blogsDir = config.getBlogsDirectory();
183 File oldThemeDir = new File (blogsDir, blog.getUrlName() + "/theme");
185 ResourceUtils.removeDirectory(oldThemeDir);
186
187 boolean r = oldThemeDir.mkdir();
189 if (!r) { throw new BlogunityException(I18NStatusFactory.create(
190 I18N.ERRORS.READ_DIRECTORY, oldThemeDir.getAbsolutePath())); }
191
192 ResourceUtils.copyDirectory(realThemeDir, oldThemeDir);
194
195 ResourceUtils.removeDirectory(unzipDir);
197
198 } catch (BlogunityException e) {
199 throw e;
200 } finally {
201 try {
202 if (uploadedStream != null) uploadedStream.close();
203 } catch (IOException e1) {
204 ;
205 }
206 }
207
208 }
209
210 } else {
211 request.setAttribute("errors", errors);
212 request.setAttribute("blog", blog);
213 return THEME_FORM_FORWARD;
214 }
215
216 return navigationStack.peek();
217 }
218
219
223 private File checkUploadedTheme(File uploadedTempDir) throws BlogunityException {
224
225 File [] files = uploadedTempDir.listFiles();
226 if (files.length != 1 || !files[0].isDirectory()) {
227 ResourceUtils.removeDirectory(uploadedTempDir);
228 throw new BlogunityException(I18NStatusFactory
229 .create(I18N.ERRORS.THEME_PACKAGE_NOT_VALID));
230 }
231
232 File realtThemeDir = files[0];
233 File [] themeFiles = realtThemeDir.listFiles();
234
235 for (int i = 0; i < themeFiles.length; i++) {
240 if (themeFiles[i].isDirectory()) ResourceUtils.removeDirectory(themeFiles[i]);
241
242 if (themeFiles[i].isFile()) {
243 if (!(themeFiles[i].getName().endsWith(".vm")
244 || themeFiles[i].getName().endsWith(".css")
245 || themeFiles[i].getName().endsWith(".jpg")
246 || themeFiles[i].getName().endsWith(".jpeg")
247 || themeFiles[i].getName().endsWith(".gif") || themeFiles[i].getName()
248 .endsWith(".png"))) {
249 themeFiles[i].delete();
250 }
251 }
252 }
253
254 return realtThemeDir;
255
256 }
257
258 } |
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