private String digestToBase64(byte[] digest, int len) {
CharBuffer cb = CharBuffer.allocate();
Base64.encode(cb, digest, 0, len);
return cb.close();
}
private Path writeTempFile(Node node) throws IOException {
Path workDir = CauchoSystem.getWorkPath().lookup("_xsl");
workDir.mkdirs();
// Path temp = workDir.createTempFile("tmp", "xsl");
WriteStream os = Vfs.lookup("null:").openWrite();
Crc64Stream crcStream = new Crc64Stream(os.getSource());
os.init(crcStream);
try {
XmlPrinter printer = new XmlPrinter(os);
printer.printNode(node);
} finally {
os.close();
}
long crc = crcStream.getCRC();
CharBuffer cb = new CharBuffer();
Base64.encode(cb, crc);
String crcValue = cb.toString().replace('/', '-');
Path xslPath = workDir.lookup(crcValue + ".xsl");
// temp.renameTo(xslPath);
return xslPath;
}
/**
* Creates a pseudo-random session id. If there's an old id and the group matches, then use it
* because different applications on the same matchine should use the same cookie.
*/
public String createSessionId(Env env) {
String id;
do {
CharBuffer sb = new CharBuffer();
Base64.encode(sb, RandomUtil.getRandomLong());
Base64.encode(sb, env.getCurrentTime());
id = sb.toString();
} while (getSession(env, id, 0) != null);
if (id == null || id.equals("")) throw new RuntimeException();
return id;
}
public static String encrypt(String toEncrypt) {
try {
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
byte[] encrypted = cipher.doFinal(toEncrypt.getBytes());
return Base64.encode(encrypted);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static String decrypt(String encrypted) {
try {
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, skeySpec);
byte[] decodedBytes = Base64.decodeToByteArray(encrypted);
byte[] original = cipher.doFinal(decodedBytes);
return new String(original);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public String write(Object in) throws IOException, JAXBException {
Source src = (Source) in;
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
_transformer.transform(src, new StreamResult(out));
return Base64.encodeFromByteArray(out.toByteArray());
} catch (TransformerException e) {
if (src instanceof StreamSource) {
StreamSource ss = (StreamSource) src;
InputStream is = ss.getInputStream();
if (is != null) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
for (int ch = is.read(); ch >= 0; ch = is.read()) out.write(ch);
return Base64.encodeFromByteArray(out.toByteArray());
}
Reader reader = ss.getReader();
if (reader != null) {
CharArrayWriter out = new CharArrayWriter();
for (int ch = reader.read(); ch >= 0; ch = reader.read()) out.write(ch);
return Base64.encode(new String(out.toCharArray()));
}
}
throw new JAXBException(e);
}
}
public String sign(String uid, String nonce, String password) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
if (uid != null) digest.update(uid.getBytes("UTF-8"));
digest.update(nonce.getBytes("UTF-8"));
if (password != null) digest.update(password.getBytes("UTF-8"));
return Base64.encode(digest.digest());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected Object read(String in) {
byte[] bytes = Base64.decodeToByteArray(in);
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
return new StreamSource(bais);
}
