/** Saves the authorization database to disk. */
public void save() throws CoreException {
if (!needsSaving || file == null) return;
try {
file.delete();
if ((!file.getParentFile().exists() && !file.getParentFile().mkdirs())
|| !canWrite(file.getParentFile()))
throw new CoreException(
new Status(
IStatus.ERROR,
Platform.PI_RUNTIME,
Platform.FAILED_WRITE_METADATA,
NLS.bind(Messages.meta_unableToWriteAuthorization, file),
null));
file.createNewFile();
FileOutputStream out = new FileOutputStream(file);
try {
save(out);
} finally {
out.close();
}
} catch (IOException e) {
throw new CoreException(
new Status(
IStatus.ERROR,
Platform.PI_RUNTIME,
Platform.FAILED_WRITE_METADATA,
NLS.bind(Messages.meta_unableToWriteAuthorization, file),
e));
}
needsSaving = false;
}
/** A put is used to send a chunk of a file. */
void doPut(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
int transferred = getTransferred();
int length = getLength();
int headerLength = Integer.valueOf(req.getHeader(ProtocolConstants.HEADER_CONTENT_LENGTH));
String rangeString = req.getHeader(ProtocolConstants.HEADER_CONTENT_RANGE);
if (rangeString == null) rangeString = "bytes 0-" + (length - 1) + '/' + length; // $NON-NLS-1$
ContentRange range = ContentRange.parse(rangeString);
if (length != range.getLength()) {
fail(req, resp, "Chunk specifies an incorrect document length");
return;
}
if (range.getStartByte() > transferred) {
fail(req, resp, "Chunk missing; Expected start byte: " + transferred);
return;
}
if (range.getEndByte() < range.getStartByte()) {
fail(req, resp, "Invalid range: " + rangeString);
return;
}
int chunkSize = 1 + range.getEndByte() - range.getStartByte();
if (chunkSize != headerLength) {
fail(req, resp, "Content-Range doesn't agree with Content-Length");
return;
}
byte[] chunk = readChunk(req, chunkSize);
FileOutputStream fout = null;
try {
fout = new FileOutputStream(new File(getStorageDirectory(), FILE_DATA), true);
FileChannel channel = fout.getChannel();
channel.position(range.getStartByte());
channel.write(ByteBuffer.wrap(chunk));
channel.close();
} finally {
try {
if (fout != null) fout.close();
} catch (IOException e) {
// ignore secondary failure
}
}
transferred = range.getEndByte() + 1;
setTransferred(transferred);
save();
if (transferred >= length) {
completeTransfer(req, resp);
return;
}
resp.setStatus(308); // Resume Incomplete
resp.setHeader("Range", "bytes 0-" + range.getEndByte()); // $NON-NLS-2$
setResponseLocationHeader(req, resp);
}
private void save(FileOutputStream os) throws IOException {
// write the version number
os.write(KEYRING_FILE_VERSION);
CipherOutputStream cos = new CipherOutputStream(os, password);
ObjectOutputStream oos = new ObjectOutputStream(cos);
// write the data
try {
oos.writeObject(authorizationInfo);
oos.writeObject(protectionSpace);
os.flush();
os.getFD().sync();
} finally {
oos.close();
}
}