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1
32
33 package scioworks.imap.presentation.imapWeb;
34
35 import org.w3c.dom.*;
36 import org.w3c.dom.html.*;
37
38 import com.lutris.appserver.server.httpPresentation.*;
39 import com.lutris.util.KeywordValueException;
40 import com.lutris.mime.*;
41 import java.io.*;
42
43 import scioworks.imap.presentation.base.*;
44 import scioworks.imap.spec.ImapWebException;
45 import scioworks.imap.spec.ImapWebConstant;
46
47 public class FileUpload extends BasePO {
48
49 FileUploadSessionData fFileUploadSessionData = null;
50
51 private String  processUpload()
52 throws HttpPresentationException, ImapWebException {
53
54 if (fFileUploadSessionData.isExceedFileCount()) {
55 return "Maximum file count reached.";
56 }
57
58 try {
59 String contentType = super.getComms().request.getContentType();
60
61 if (contentType == null) {
62 contentType = "";
63 }
64
65 ContentHeader contentHdr = new ContentHeader("Content-Type: " + contentType);
66
67 if (!contentHdr.getValue().toLowerCase().startsWith("multipart/")) {
68 return " ";
70 }
71
72 HttpPresentationInputStream input = super.getComms().request.getInputStream();
73
74 MultipartMimeInput mime = new MultipartMimeInput(input, contentHdr);
75
76 MultipartMimeInputStream in;
77
78 while ((in = mime.nextPart()) != null) {
79
80 String type;
81
82 MimeHeader hdr = in.getHeader("Content-Type");
83
84 if (hdr != null) {
85 ContentHeader chdr = new ContentHeader(hdr);
86 type = chdr.getValue();
87 } else {
88 type = "null";
89 }
90
91 String contentDisp = null;
92 String contentName = null;
93 String fileName = null;
94
95 if ((hdr = in.getHeader("Content-Disposition")) != null) {
96 ContentHeader chdr = new ContentHeader(hdr);
97 contentDisp = chdr.getValue();
98 contentName = chdr.getParameter("name");
99 fileName = chdr.getParameter("filename").trim();
100 }
101
102 if (contentDisp == null) {
103 contentDisp = "null";
104 }
105
106 if (contentName == null) {
107 contentName = "null";
108 }
109
110 if (fileName == null) {
111 fileName = "null";
112 }
113
114 int n, count=0;
115 byte[] buffer = new byte[4096];
116
117 if (fileName.equals("null")) {
118 return "File not found.";
119
120 } else {
121
122 String actualFilename = fileName.substring(fileName.lastIndexOf(System.getProperty("file.separator"))+1);
123
124 String tmpFilename = ImapWebConstant.singleton().fileTmpDir() +
126 System.currentTimeMillis() + actualFilename;
127
128 FileOutputStream out = new FileOutputStream(tmpFilename);
129
130 while ((n = in.read(buffer, 0, buffer.length)) > 0) {
131 out.write(buffer, 0, n);
132 count += n;
133 }
134
135 in.close(); out.close();
138 if (count == 0) {
139 return "Invalid file. Make sure the file exists.";
141 }
142
143 if (!fFileUploadSessionData.addFile(tmpFilename, actualFilename, count, type)) {
144 return "You've exceeded the attachment limit.";
145 }
146
147 }
148
149 }
151
152 return "File attached.";
153
154 } catch (MimeException e) {
155 throw new ImapWebException("Error uploading file.", e);
156
157 } catch (FileNotFoundException e) {
158 throw new ImapWebException("Error uploading file.", e);
159
160 } catch (IOException e) {
161 throw new ImapWebException("Error uploading file.", e);
162 }
163
164 }
165
166 private String removeFile(FileUploadSessionData fileUploadSessionData)
167 throws HttpPresentationException {
168
169 int fFileId = super.getIntParameter(PARAM_fileid);
171
172 String tmpFilename = fileUploadSessionData.getTmpFilename(fFileId);
173
174 if (fileUploadSessionData.removeFile(fFileId)) {
175
176 File file = new File(tmpFilename);
177 if (!file.delete()) {
178 System.out.println("Tmp file not deleted: " + tmpFilename);
179 }
180
181 return "Attachment removed";
182
183 } else {
184 return "Error removing attachment";
185 }
186 }
187
188 public String handleDefault()
189 throws HttpPresentationException {
190
191 String fEvent = super.getStringParameter(PARAM_event);
193
194 String msg;
195
196 try {
197 Object obj = getComms().sessionData.get(FileUploadSessionData.SESSION_KEY);
199
200 if (obj == null) {
201 fFileUploadSessionData =
203 new FileUploadSessionData(ImapWebConstant.singleton().fileCount(),
204 ImapWebConstant.singleton().fileTotalSize());
205 getComms().sessionData.set(FileUploadSessionData.SESSION_KEY, fFileUploadSessionData);
207
208 } else {
209 fFileUploadSessionData = (FileUploadSessionData) obj;
211 }
212
213 if (fEvent.equals(EVENT_removeFile)) {
214 msg = removeFile(fFileUploadSessionData);
215
216 } else {
217 msg = processUpload();
219 }
220
221
222 attachmentHTML page = (attachmentHTML)m_comms.xmlcFactory.create(attachmentHTML.class);
223
224 HTMLTableRowElement fileListRow = page.getElementFileListRow();
226 Node fileListTable = fileListRow.getParentNode();
227
228 if ((msg.length() == 0) || (msg == null)) {
230 page.setTextMessage(" ");
231 } else {
232 page.setTextMessage(msg);
233 }
234
235 page.setTextFileMaxCount(Integer.toString(ImapWebConstant.singleton().fileCount()));
237
238
239
240 page.setTextFileTotalSize(TextUtil.singleton().verboseFilesize(ImapWebConstant.singleton().fileTotalSize()));
241
242 HTMLAnchorElement fileRemoveLink = page.getElementFileRemoveLink();
244 String currLink = fileRemoveLink.getHref() + "?" +
245 PARAM_event + "=" + EVENT_removeFile + "&" +
246 PARAM_fileid + "=" ;
247
248 StringBuffer attachmentList = new StringBuffer ();
249 String verboseSize;
250 for (int i=0; i<fFileUploadSessionData.getFileCount(); i++) {
251 page.setTextFilename(fFileUploadSessionData.getFilename(i));
253
254 verboseSize = TextUtil.singleton().verboseFilesize(fFileUploadSessionData.getFilesize(i));
256 page.setTextFilesize(verboseSize);
257
258 fileRemoveLink.setHref(currLink + i);
260
261 attachmentList.append(fFileUploadSessionData.getFilename(i)).append(" ");
263 attachmentList.append("(").append(verboseSize).append(");");
264
265 fileListTable.appendChild(fileListRow.cloneNode(true));
266 }
267 fileListTable.removeChild(fileListRow);
268
269
270 if (attachmentList.length() == 0) {
272 attachmentList.append("(None)");
273 }
274
275 HTMLBodyElement bodyEle = page.getElementPageBody();
276 HTMLScriptElement attachScript = (HTMLScriptElement) page.createElement("SCRIPT");
277 attachScript.appendChild(page.createTextNode("window.opener.SetAttachment('" +
278 attachmentList.toString() +
279 "');"));
280 bodyEle.appendChild(attachScript);
281
282 return page.toDocument();
283
284 } catch (KeywordValueException e) {
285 return super.showErrorPage(MSG_OPERATION_FAILED,
286 "Problem getting session data from session. " + e.getMessage(),
287 "", "");
288
289 } catch (ImapWebException e) {
290 e.printStackTrace();
291 return super.showErrorPage(MSG_OPERATION_FAILED, e.getMessage(), "", "");
292
293 }
294 }
295
296 }
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