}
s_encryptor.setAlgorithm("PBEWithMD5AndDES");
String secretKey = null;
SimpleStringPBEConfig stringConfig = new SimpleStringPBEConfig();
if(encryptionType.equals("file")){
File keyFile = new File(s_keyFile);
if (!keyFile.exists()) {
keyFile = new File(s_altKeyFile);
}
BufferedReader in = null;
try {
in = new BufferedReader(new FileReader(keyFile));
secretKey = in.readLine();
//Check for null or empty secret key
} catch (FileNotFoundException e) {
throw new CloudRuntimeException("File containing secret key not found: "+s_keyFile, e);
} catch (IOException e) {
throw new CloudRuntimeException("Error while reading secret key from: "+s_keyFile, e);
} finally {
IOUtils.closeQuietly(in);
}
if(secretKey == null || secretKey.isEmpty()){
throw new CloudRuntimeException("Secret key is null or empty in file "+s_keyFile);
}
} else if(encryptionType.equals("env")){
secretKey = System.getenv(s_envKey);
if(secretKey == null || secretKey.isEmpty()){
throw new CloudRuntimeException("Environment variable "+s_envKey+" is not set or empty");
}
} else if(encryptionType.equals("web")){
ServerSocket serverSocket = null;
int port = 8097;
try {
serverSocket = new ServerSocket(port);
} catch (IOException ioex) {
throw new CloudRuntimeException("Error initializing secret key reciever", ioex);
}
s_logger.info("Waiting for admin to send secret key on port "+port);
Socket clientSocket = null;
try {
clientSocket = serverSocket.accept();
} catch (IOException e) {
throw new CloudRuntimeException("Accept failed on "+port);
}
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
String inputLine;
if ((inputLine = in.readLine()) != null) {
secretKey = inputLine;
}
out.close();
in.close();
clientSocket.close();
serverSocket.close();
} else {
throw new CloudRuntimeException("Invalid encryption type: "+encryptionType);
}
stringConfig.setPassword(secretKey);
s_encryptor.setConfig(stringConfig);
s_useEncryption = true;
}