Examples of javax.security.auth.callback.NameCallback

javax.security.auth.callback.NameCallback

                userId = anonymousId;
            } else if (credentials instanceof SimpleCredentials) {
                userId = ((SimpleCredentials) credentials).getUserID();
            } else {
                try {
                    NameCallback callback = new NameCallback("User-ID: ");
                    callbackHandler.handle(new Callback[]{callback});
                    userId = callback.getName();
                } catch (UnsupportedCallbackException e) {
                    log.warn("Credentials- or NameCallback must be supported");
                } catch (IOException e) {
                    log.error("Name-Callback failed: " + e.getMessage());
                }

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        // Set up our CallbackHandler requests
        if (callbackHandler == null)
            throw new LoginException("No CallbackHandler specified");
        Callback callbacks[] = new Callback[9];
        callbacks[0] = new NameCallback("Username: ");
        callbacks[1] = new PasswordCallback("Password: ", false);
        callbacks[2] = new TextInputCallback("nonce");
        callbacks[3] = new TextInputCallback("nc");
        callbacks[4] = new TextInputCallback("cnonce");
        callbacks[5] = new TextInputCallback("qop");

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                if (bc instanceof SimpleCredentials) {
                    uid = ((SimpleCredentials) bc).getUserID();
                }
            } else {
                try {
                    NameCallback callback = new NameCallback("User-ID: ");
                    callbackHandler.handle(new Callback[]{callback});
                    uid = callback.getName();
                } catch (UnsupportedCallbackException e) {
                    log.warn("Credentials- or NameCallback must be supported");
                } catch (IOException e) {
                    log.error("Name-Callback failed: " + e.getMessage());
                }

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      this.userPassword = HBaseSaslRpcServer.encodePassword(token.getPassword());
    }


    public void handle(Callback[] callbacks)
        throws UnsupportedCallbackException {
      NameCallback nc = null;
      PasswordCallback pc = null;
      RealmCallback rc = null;
      for (Callback callback : callbacks) {
        if (callback instanceof RealmChoiceCallback) {
          continue;
        } else if (callback instanceof NameCallback) {
          nc = (NameCallback) callback;
        } else if (callback instanceof PasswordCallback) {
          pc = (PasswordCallback) callback;
        } else if (callback instanceof RealmCallback) {
          rc = (RealmCallback) callback;
        } else {
          throw new UnsupportedCallbackException(callback,
              "Unrecognized SASL client callback");
        }
      }
      if (nc != null) {
        if (LOG.isDebugEnabled())
          LOG.debug("SASL client callback: setting username: " + userName);
        nc.setName(userName);
      }
      if (pc != null) {
        if (LOG.isDebugEnabled())
          LOG.debug("SASL client callback: setting userPassword");
        pc.setPassword(userPassword);

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            throw new LoginException("Unable to load group properties file " + groupsUrl.getFile());
        }


        Callback[] callbacks = new Callback[2];


        callbacks[0] = new NameCallback("Username: ");
        callbacks[1] = new PasswordCallback("Password: ", false);
        try {
            callbackHandler.handle(callbacks);
        } catch (IOException ioe) {
            throw new LoginException(ioe.getMessage());

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    private static final String PASSWORD = "PASSWORD";
    private final Credentials credentials = new Credentials(USERNAME, PASSWORD);


    public void testCallbacks() {
        try {
            NameCallback nameCallback = new NameCallback("user");
            PasswordCallback passwordCallback = new PasswordCallback("password", false);
            Callback[] callbacks = new Callback[]{nameCallback, passwordCallback};
            credentials.handle(callbacks);
            assertEquals(USERNAME, nameCallback.getName());
            assertEquals(PASSWORD, new String(passwordCallback.getPassword()));
        } catch (UnsupportedCallbackException e) {
            fail();
        }

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        }
    }


    public void testClear() {
        credentials.clear();
        NameCallback nameCallback = new NameCallback("user");
        PasswordCallback passwordCallback = new PasswordCallback("password", false);
        Callback[] callbacks = new Callback[]{nameCallback, passwordCallback};
        try {
            credentials.handle(callbacks);
        } catch (UnsupportedCallbackException e) {
            fail();
        }
        assertEquals(USERNAME, nameCallback.getName());
        assertTrue(Arrays.equals(new char[]{0,0,0,0,0,0,0,0}, passwordCallback.getPassword()));
    }

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    }


    public boolean login() throws LoginException {
        Callback[] callbacks = new Callback[2];


        callbacks[0] = new NameCallback("User name");
        callbacks[1] = new PasswordCallback("Password", false);
        try {
            handler.handle(callbacks);
        } catch (IOException ioe) {
            throw (LoginException) new LoginException().initCause(ioe);

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        this.callbackHandler = callbackHandler;
    }


    public boolean login() throws LoginException {
        Callback[] callbacks = new Callback[2];
        callbacks[0] = new NameCallback("");
        callbacks[1] = new PasswordCallback("", false);
        try {
            callbackHandler.handle(callbacks);
        } catch (java.io.IOException e) {
        } catch (UnsupportedCallbackException e) {

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    /**
     * Checks whether the user should be or has been locked out.
     */
    public boolean login() throws LoginException {
        NameCallback user = new NameCallback("User name:");
        Callback[] callbacks = new Callback[]{user};
        try {
            handler.handle(callbacks);
        } catch (Exception e) {
            throw new LoginException("Unable to process callback: "+e);
        }
        if(callbacks.length != 1) {
            throw new IllegalStateException("Number of callbacks changed by server!");
        }
        user = (NameCallback) callbacks[0];
        username = user.getName();
        if(username != null) {
            LoginHistory history;
            synchronized (userData) {
                history = (LoginHistory) userData.get(username);
            }

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