@Override
public String writeStreamToStore(InputStream in, long actualSize, Mailbox mbox)
throws IOException, ServiceException {
MessageDigest digest;
try {
digest = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw ServiceException.FAILURE("SHA-256 digest not found", e);
}
ByteUtil.PositionInputStream pin =
new ByteUtil.PositionInputStream(new DigestInputStream(in, digest));
HttpClient client = ZimbraHttpConnectionManager.getInternalHttpConnMgr().newHttpClient();
PostMethod post = new PostMethod(getPostUrl(mbox));
try {
HttpClientUtil.addInputStreamToHttpMethod(post, pin, actualSize, "application/octet-stream");
int statusCode = HttpClientUtil.executeMethod(client, post);
if (statusCode == HttpStatus.SC_OK
|| statusCode == HttpStatus.SC_CREATED
|| statusCode == HttpStatus.SC_NO_CONTENT) {
return getLocator(
post, ByteUtil.encodeFSSafeBase64(digest.digest()), pin.getPosition(), mbox);
} else {
throw ServiceException.FAILURE("error POSTing blob: " + post.getStatusText(), null);
}
} finally {
post.releaseConnection();
}
}
@Override
public InputStream readStreamFromStore(String locator, Mailbox mbox) throws IOException {
HttpClient client = ZimbraHttpConnectionManager.getInternalHttpConnMgr().newHttpClient();
GetMethod get = new GetMethod(getGetUrl(mbox, locator));
int statusCode = HttpClientUtil.executeMethod(client, get);
if (statusCode == HttpStatus.SC_OK) {
return new UserServlet.HttpInputStream(get);
} else {
get.releaseConnection();
throw new IOException("unexpected return code during blob GET: " + get.getStatusText());
}
}
@Override
public boolean deleteFromStore(String locator, Mailbox mbox) throws IOException {
HttpClient client = ZimbraHttpConnectionManager.getInternalHttpConnMgr().newHttpClient();
DeleteMethod delete = new DeleteMethod(getDeleteUrl(mbox, locator));
try {
int statusCode = HttpClientUtil.executeMethod(client, delete);
if (statusCode == HttpStatus.SC_OK || statusCode == HttpStatus.SC_NO_CONTENT) {
return true;
} else if (statusCode == HttpStatus.SC_NOT_FOUND) {
return false;
} else {
throw new IOException(
"unexpected return code during blob DELETE: " + delete.getStatusText());
}
} finally {
delete.releaseConnection();
}
}