private String getPublicKey(String pubKeyUrl) {
URL url;
InputStream in = null;
try {
url = new URL(pubKeyUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
log.debug("url request in success");
in = conn.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String readLine;
String separator = System.getProperty("line.separator");
StringBuilder sb = new StringBuilder();
while ((readLine = br.readLine()) != null) {
sb.append(readLine).append(separator);
}
String result = sb.toString();
result = result.replace("-----BEGIN PUBLIC KEY-----", "");
result = result.replace("-----END PUBLIC KEY-----", "");
return result;
} catch (IOException e) {
log.error(e.getMessage());
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
log.error(e.getMessage());
}
}
return null;
}
private Class<?> findClassInComponents(final String name) throws ClassNotFoundException {
final String classFilename = this.getClassFilename(name);
final Enumeration<File> e = this.pathComponents.elements();
while (e.hasMoreElements()) {
final File pathComponent = e.nextElement();
InputStream stream = null;
try {
stream = this.getResourceStream(pathComponent, classFilename);
if (stream != null) {
this.log("Loaded from " + pathComponent + " " + classFilename, 4);
return this.getClassFromStream(stream, name, pathComponent);
}
continue;
} catch (SecurityException se) {
throw se;
} catch (IOException ioe) {
this.log(
"Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")",
3);
} finally {
FileUtils.close(stream);
}
}
throw new ClassNotFoundException(name);
}
private String getStrToSign(HttpServletRequest request) {
try {
this.body =
GetPostBody(
request.getInputStream(), Integer.parseInt(request.getHeader("content-length")));
} catch (IOException e) {
log.error(e.getMessage());
return null;
}
String queryString = request.getQueryString();
String uri = request.getRequestURI();
String decodeUri;
try {
decodeUri = java.net.URLDecoder.decode(uri, "UTF-8");
} catch (UnsupportedEncodingException e) {
log.error(e.getMessage());
return null;
}
String authStr = decodeUri;
if (queryString != null && !queryString.equals("")) {
authStr += "?" + queryString;
}
authStr += "\n" + this.body;
return authStr;
}
public void run() // loop utama, utk nerima user input n kirim ke server&client laen
{
while (thread != null) {
try {
String a = console.readLine();
String b = cryptor.encrypt(a);
streamOut.writeUTF(cryptor.encrypt(a));
streamOut.flush();
} catch (IOException ioe) {
System.out.println("Sending error: " + ioe.getMessage());
stop();
}
}
}
public ChatClient(InetAddress iAddress, int serverPort) {
System.out.println("Establishing connection. Please wait ...");
try {
socket = new Socket(iAddress, serverPort);
cryptor = new EDCrypt();
System.out.println("Connected: " + socket);
start();
} catch (UnknownHostException uhe) {
System.out.println("Host unknown: " + uhe.getMessage());
} catch (IOException ioe) {
System.out.println("Unexpected exception: " + ioe.getMessage());
}
}
public String getInfoFromEpub(InputStream is) throws EpubInfoHiderException {
ZipInputStream zipInputStream = new ZipInputStream(is);
ZipEntry entry;
HashMap<String, String> nameToStringData = new HashMap<String, String>();
try {
while ((entry = zipInputStream.getNextEntry()) != null) {
String name = entry.getName();
for (String extension : extensions) {
if (name.toLowerCase().endsWith(extension)) {
String tempData = readFile(zipInputStream);
if (!nameToStringData.containsKey(extension)
|| tempData.length() > nameToStringData.get(extension).length()) {
nameToStringData.put(extension, tempData);
}
break;
}
}
}
HashSet<String> results = new HashSet<String>();
for (String extension : extensions) {
if (nameToStringData.containsKey(extension)) {
String res = parseStegoFile(nameToStringData.get(extension), extension, privateKey);
if (res.length() > 0) results.add(res);
}
}
if (results.size() > 1) return "A few result were found: " + results.toString();
else if (results.size() == 1) return (String) results.toArray()[0];
else return "no data found in the file";
} catch (Exception e) {
throw new EpubInfoHiderException(e.getMessage());
} finally {
try {
zipInputStream.close();
} catch (IOException e) {
throw new EpubInfoHiderException(e.getMessage());
}
}
}