?? browser.jsp
字號(hào):
}
}
//Click on a filename, special viewer (zip+jar file)
else if (request.getParameter("file") != null) {
File f = new File(request.getParameter("file"));
if (!isAllowed(f)){
request.setAttribute("error", "You are not allowed to access " + f.getAbsolutePath());
}
else if (isPacked(f.getName(), false)) {
//ZipFile
try {
ZipFile zf = new ZipFile(f);
Enumeration entries = zf.entries();
%>
<title><%= f.getAbsolutePath()%></title>
</head>
<body>
<h2>Content of <%=conv2Html(f.getName())%></h2><br>
<table class="filelist" cellspacing="1px" cellpadding="0px">
<th>Name</th><th>Uncompressed size</th><th>Compressed size</th><th>Compr. ratio</th><th>Date</th>
<%
long size = 0;
int fileCount = 0;
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
if (!entry.isDirectory()) {
fileCount++;
size += entry.getSize();
long ratio = 0;
if (entry.getSize() != 0) ratio = (entry.getCompressedSize() * 100)
/ entry.getSize();
out.println("<tr class=\"mouseout\"><td>" + conv2Html(entry.getName())
+ "</td><td>" + convertFileSize(entry.getSize()) + "</td><td>"
+ convertFileSize(entry.getCompressedSize()) + "</td><td>"
+ ratio + "%" + "</td><td>"
+ dateFormat.format(new Date(entry.getTime())) + "</td></tr>");
}
}
zf.close();
//No directory view
dir_view = false;
request.setAttribute("dir", null);
%>
</table>
<p align=center>
<b><%=convertFileSize(size)%> in <%=fileCount%> files in <%=f.getName()%>. Compression ratio: <%=(f.length() * 100) / size%>%
</b></p>
</body></html>
<%
}
catch (ZipException ex) {
request.setAttribute("error", "Cannot read " + f.getName()
+ ", no valid zip file");
}
catch (IOException ex) {
request.setAttribute("error", "Reading of " + f.getName() + " aborted. Error: "
+ ex);
}
}
}
// Upload
else if ((request.getContentType() != null)
&& (request.getContentType().toLowerCase().startsWith("multipart"))) {
response.setContentType("text/html");
HttpMultiPartParser parser = new HttpMultiPartParser();
boolean error = false;
try {
int bstart = request.getContentType().lastIndexOf("oundary=");
String bound = request.getContentType().substring(bstart + 8);
int clength = request.getContentLength();
Hashtable ht = parser
.processData(request.getInputStream(), bound, tempdir, clength);
if (!isAllowed(new File((String)ht.get("dir")))){
request.setAttribute("error", "You are not allowed to access " + ht.get("dir"));
error = true;
}
else if (ht.get("myFile") != null) {
FileInfo fi = (FileInfo) ht.get("myFile");
File f = fi.file;
UplInfo info = UploadMonitor.getInfo(fi.clientFileName);
if (info != null && info.aborted) {
f.delete();
request.setAttribute("error", "Upload aborted");
}
else {
// Move file from temp to the right dir
String path = (String) ht.get("dir");
if (!path.endsWith(File.separator)) path = path + File.separator;
if (!f.renameTo(new File(path + f.getName()))) {
request.setAttribute("error", "Cannot upload file.");
error = true;
f.delete();
}
}
}
else {
request.setAttribute("error", "No file selected for upload");
error = true;
}
request.setAttribute("dir", (String) ht.get("dir"));
}
catch (Exception e) {
request.setAttribute("error", "Error " + e + ". Upload aborted");
error = true;
}
if (!error) request.setAttribute("message", "File upload correctly finished.");
}
// The form to edit a text file
else if (request.getParameter("editfile") != null) {
File ef = new File(request.getParameter("editfile"));
if (!isAllowed(ef)){
request.setAttribute("error", "You are not allowed to access " + ef.getAbsolutePath());
}
else{
%>
<title>Edit <%=conv2Html(request.getParameter("editfile"))%></title>
</head>
<body>
<%
BufferedReader reader = new BufferedReader(new FileReader(ef));
String disable = "";
if (!ef.canWrite()) disable = " readonly";
out.println("<form action=\"" + browser_name + "\" method=\"Post\">\n"
+ "<textarea name=\"text\" wrap=\"off\" cols=\"" + EDITFIELD_COLS
+ "\" rows=\"" + EDITFIELD_ROWS + "\"" + disable + ">");
String c;
// Write out the file and check if it is a win or unix file
int i;
boolean dos = false;
boolean cr = false;
while ((i = reader.read()) >= 0) {
out.print(conv2Html(i));
if (i == '\r') cr = true;
else if (cr && (i == '\n')) dos = true;
else cr = false;
}
reader.close();
//No File directory is shown
request.setAttribute("dir", null);
dir_view = false;
%></textarea>
<input type="hidden" name="nfile" value="<%= request.getParameter("editfile")%>">
<br>
<table>
<tr><td><input type="radio" name="lineformat" value="dos" <%= dos?"checked":""%>>Ms-Dos/Windows</td>
<td><input type="radio" name="lineformat" value="unix" <%= dos?"":"checked"%>>Unix</td>
<td><input type="checkbox" name="Backup" checked>Write backup</td></tr>
<tr><td title="Enter the new filename"><input type="text" name="new_name" value="<%=ef.getName()%>"></td>
<td><input type="Submit" name="Submit" value="Save"></td>
<td><input type="Submit" name="Submit" value="Cancel">
<input type="hidden" name="sort" value="<%=request.getParameter("sort")%>">
</td></tr>
</table>
</form>
</body>
</html>
<%
}
}
// Save or cancel the edited file
else if (request.getParameter("nfile") != null) {
File f = new File(request.getParameter("nfile"));
File new_f = new File(getDir(f.getParent(), request.getParameter("new_name")));
if (!isAllowed(new_f)){
request.setAttribute("error", "You are not allowed to access " + new_f.getAbsolutePath());
}
else if (request.getParameter("Submit").equals("Save")) {
if (new_f.exists() && new_f.canWrite() && request.getParameter("Backup") != null) {
File bak = new File(new_f.getAbsolutePath() + ".bak");
bak.delete();
new_f.renameTo(bak);
}
if (new_f.exists() && !new_f.canWrite()) request.setAttribute("error",
"Cannot write to " + new_f.getName() + ", file is write protected.");
else {
BufferedWriter outs = new BufferedWriter(new FileWriter(new_f));
StringReader text = new StringReader(request.getParameter("text"));
int i;
boolean cr = false;
String lineend = "\n";
if (request.getParameter("lineformat").equals("dos")) lineend = "\r\n";
while ((i = text.read()) >= 0) {
if (i == '\r') cr = true;
else if (i == '\n') {
outs.write(lineend);
cr = false;
}
else if (cr) {
outs.write(lineend);
cr = false;
}
else {
outs.write(i);
cr = false;
}
}
outs.flush();
outs.close();
}
}
request.setAttribute("dir", f.getParent());
}
//Unpack file to the current directory without overwriting
else if (request.getParameter("unpackfile") != null) {
File f = new File(request.getParameter("unpackfile"));
String root = f.getParent();
request.setAttribute("dir", root);
if (!isAllowed(new File(root))){
request.setAttribute("error", "You are not allowed to access " + root);
}
//Check if file exists
else if (!f.exists()) {
request.setAttribute("error", "Cannot unpack " + f.getName()
+ ", file does not exist");
}
//Check if directory is readonly
else if (!f.getParentFile().canWrite()) {
request.setAttribute("error", "Cannot unpack " + f.getName()
+ ", directory is write protected.");
}
//GZip
else if (f.getName().toLowerCase().endsWith(".gz")) {
//New name is old Name without .gz
String newName = f.getAbsolutePath().substring(0, f.getAbsolutePath().length() - 3);
try {
byte buffer[] = new byte[0xffff];
copyStreams(new GZIPInputStream(new FileInputStream(f)), new FileOutputStream(
newName), buffer);
}
catch (IOException ex) {
request.setAttribute("error", "Unpacking of " + f.getName()
+ " aborted. Error: " + ex);
}
}
//Else try Zip
else {
try {
ZipFile zf = new ZipFile(f);
Enumeration entries = zf.entries();
//First check whether a file already exist
boolean error = false;
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
if (!entry.isDirectory()
&& new File(root + File.separator + entry.getName()).exists()) {
request.setAttribute("error", "Cannot unpack " + f.getName()
+ ", File " + entry.getName() + " already exists.");
error = true;
break;
}
}
if (!error) {
//Unpack File
entries = zf.entries();
byte buffer[] = new byte[0xffff];
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
File n = new File(root + File.separator + entry.getName());
if (entry.isDirectory()) n.mkdirs();
else {
n.getParentFile().mkdirs();
n.createNewFile();
copyStreams(zf.getInputStream(entry), new FileOutputStream(n),
buffer);
}
}
zf.close();
request.setAttribute("message", "Unpack of " + f.getName()
+ " was successful.");
}
}
catch (ZipException ex) {
request.setAttribute("error", "Cannot unpack " + f.getName()
+ ", no valid zip file");
}
catch (IOException ex) {
request.setAttribute("error", "Unpacking of " + f.getName()
+ " aborted. Error: " + ex);
}
}
}
// Delete Files
else if ((request.getParameter("Submit") != null)
&& (request.getParameter("Submit").equals(DELETE_FILES))) {
Vector v = expandFileList(request.getParameterValues("selfile"), true);
boolean error = false;
//delete backwards
for (int i = v.size() - 1; i >= 0; i--) {
File f = (File) v.get(i);
if (!isAllowed(f)){
request.setAttribute("error", "You are not allowed to access " + f.getAbsolutePath());
error = true;
break;
}
if (!f.canWrite() || !f.delete()) {
request.setAttribute("error", "Cannot delete " + f.getAbsolutePath()
+ ". Deletion aborted");
error = true;
break;
}
}
if ((!error) && (v.size() > 1)) request.setAttribute("message", "All files deleted");
else if ((!error) && (v.size() > 0)) request.setAttribute("message", "File deleted");
else if (!error) request.setAttribute("error", "No files selected");
}
// Create Directory
else if ((request.getParameter("Submit") != null)
&& (request.getParameter("Submit").equals(CREATE_DIR))) {
String dir = "" + request.getAttribute("dir");
String dir_name = request.getParameter("cr_dir");
String new_dir = getDir(dir, dir_name);
if (!isAllowed(new File(new_dir))){
request.setAttribute("error", "You are not allowed to access " + new_dir);
}
else if (new File(new_dir).mkdirs()) {
request.setAttribute("message", "Directory created");
}
else request.setAttribute("error", "Creation of directory " + new_dir + " failed");
}
// Create a new empty file
else if ((request.getParameter("Submit") != null)
&& (request.getParameter("Submit").equals(CREATE_FILE))) {
String dir = "" + request.getAttribute("dir");
String file_name = request.getParameter("cr_dir");
String new_file = getDir(dir, file_name);
if (!isAllowed(new File(new_file))){
request.setAttribute("error", "You are not allowed to access " + new_file);
}
// Test, if file_name is empty
else if (!"".equals(file_name.trim()) && !file_name.endsWith(File.separator)) {
if (new File(new_file).createNewFile()) request.setAttribute("message",
"File created");
else request.setAttribute("error", "Creation of file " + new_file + " failed");
}
else request.setAttribute("error", "Error: " + file_name + " is not a valid filename");
}
// Rename a file
else if ((request.getParameter("Submit") != null)
&& (request.getParameter("Submit").equals(RENAME_FILE))) {
Vector v = expandFileList(request.getParameterValues("selfile"), true);
String dir = "" + request.getAttribute("dir");
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