Package javax.security.sasl

Examples of javax.security.sasl.AuthorizeCallback

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            NameCallback nameCb = new NameCallback("prompt", username);
            // we do not care about the prompt but it throws if null
            PasswordCallback passwordCb = new PasswordCallback("prompt", false);
            // TODO: should not get pwd as a String but as a char array...
            String pwd = (String) ft.getString("PASSWORD");
            AuthorizeCallback authzCb = new AuthorizeCallback(username, username);
            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
            _cbh.handle(callbacks);
            String storedPwd = new String(passwordCb.getPassword());
            if (storedPwd.equals(pwd))
            {
                _complete = true;
            }
            if (authzCb.isAuthorized() && _complete)
            {
                _authorizationId = authzCb.getAuthenticationID();
                return null;
            }
            else
            {
                throw new SaslException("Authentication failed");
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            NameCallback nameCb = new NameCallback("prompt", username);
            // we do not care about the prompt but it throws if null
            PasswordCallback passwordCb = new PasswordCallback("prompt", false);
            // TODO: should not get pwd as a String but as a char array...
            String pwd = (String) ft.getString("PASSWORD");
            AuthorizeCallback authzCb = new AuthorizeCallback(username, username);
            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
            _cbh.handle(callbacks);
            String storedPwd = new String(passwordCb.getPassword());
            if (storedPwd.equals(pwd))
            {
                _complete = true;
            }
            if (authzCb.isAuthorized() && _complete)
            {
                _authorizationId = authzCb.getAuthenticationID();
                return null;
            }
            else
            {
                throw new SaslException("Authentication failed");
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        {
            throw new SaslException("Invalid PLAIN encoding, authcid null terminator not found");
        }

        PlainPasswordCallback passwordCb;
        AuthorizeCallback authzCb;

        try
        {
            // we do not currently support authcid in any meaningful way
            String authzid = new String(response, authzidNullPosition + 1, authcidNullPosition - authzidNullPosition - 1, "utf8");

            // TODO: should not get pwd as a String but as a char array...
            int passwordLen = response.length - authcidNullPosition - 1;
            String pwd = new String(response, authcidNullPosition + 1, passwordLen, "utf8");

            // we do not care about the prompt but it throws if null
            NameCallback nameCb = new NameCallback("prompt", authzid);
            passwordCb = new PlainPasswordCallback("prompt", false, pwd);
            authzCb = new AuthorizeCallback(authzid, authzid);

            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
            _cbh.handle(callbacks);

        }
        catch (IOException e)
        {
            if(e instanceof SaslException)
            {
                throw (SaslException) e;
            }
            throw new SaslException("Error processing data: " + e, e);
        }
        catch (UnsupportedCallbackException e)
        {
            throw new SaslException("Unable to obtain data from callback handler: " + e, e);
        }

        if (passwordCb.isAuthenticated())
        {
            _complete = true;
        }

        if (authzCb.isAuthorized() && _complete)
        {
            _authorizationId = authzCb.getAuthenticationID();
            return null;
        }
        else
        {
            throw new SaslException("Authentication failed");
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      @Override
      public void handle(Callback[] callbacks)
          throws UnsupportedCallbackException, SaslException {
        NameCallback nc = null;
        PasswordCallback pc = null;
        AuthorizeCallback ac = null;
       
        for (Callback callback : callbacks) {
          if (callback instanceof NameCallback) {
            nc = (NameCallback)callback;
            assertEquals(user, nc.getName());
          } else if (callback instanceof PasswordCallback) {
            pc = (PasswordCallback)callback;
            if (!password.equals(new String(pc.getPassword()))) {
              throw new IllegalArgumentException("wrong password");
            }
          } else if (callback instanceof AuthorizeCallback) {
            ac = (AuthorizeCallback)callback;
            assertEquals(user, ac.getAuthorizationID());
            assertEquals(user, ac.getAuthenticationID());
            ac.setAuthorized(true);
            ac.setAuthorizedID(ac.getAuthenticationID());
          } else {
            throw new UnsupportedCallbackException(callback,
                "Unsupported SASL PLAIN Callback");
          }
        }
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    @Override
    public void handle(Callback[] callbacks) throws InvalidToken,
        UnsupportedCallbackException {
      NameCallback nc = null;
      PasswordCallback pc = null;
      AuthorizeCallback ac = null;
      for (Callback callback : callbacks) {
        if (callback instanceof AuthorizeCallback) {
          ac = (AuthorizeCallback) callback;
        } else if (callback instanceof NameCallback) {
          nc = (NameCallback) callback;
        } else if (callback instanceof PasswordCallback) {
          pc = (PasswordCallback) callback;
        } else if (callback instanceof RealmCallback) {
          continue; // realm is ignored
        } else {
          throw new UnsupportedCallbackException(callback,
              "Unrecognized SASL DIGEST-MD5 Callback");
        }
      }
      if (pc != null) {
        TokenIdentifier tokenIdentifier = getIdentifier(nc.getDefaultName(), secretManager);
        char[] password = getPassword(tokenIdentifier);
        UserGroupInformation user = null;
        user = tokenIdentifier.getUser(); // may throw exception
        connection.attemptingUser = user;
       
        if (LOG.isDebugEnabled()) {
          LOG.debug("SASL server DIGEST-MD5 callback: setting password "
              + "for client: " + tokenIdentifier.getUser());
        }
        pc.setPassword(password);
      }
      if (ac != null) {
        String authid = ac.getAuthenticationID();
        String authzid = ac.getAuthorizationID();
        if (authid.equals(authzid)) {
          ac.setAuthorized(true);
        } else {
          ac.setAuthorized(false);
        }
        if (ac.isAuthorized()) {
          if (LOG.isDebugEnabled()) {
            String username =
              getIdentifier(authzid, secretManager).getUser().getUserName();
            LOG.debug("SASL server DIGEST-MD5 callback: setting "
                + "canonicalized client ID: " + username);
          }
          ac.setAuthorizedID(authzid);
        }
      }
    }
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  public static class SaslGssCallbackHandler implements CallbackHandler {

    @Override
    public void handle(Callback[] callbacks) throws
        UnsupportedCallbackException {
      AuthorizeCallback ac = null;
      for (Callback callback : callbacks) {
        if (callback instanceof AuthorizeCallback) {
          ac = (AuthorizeCallback) callback;
        } else {
          throw new UnsupportedCallbackException(callback,
              "Unrecognized SASL GSSAPI Callback");
        }
      }
      if (ac != null) {
        String authid = ac.getAuthenticationID();
        String authzid = ac.getAuthorizationID();
        if (authid.equals(authzid)) {
          ac.setAuthorized(true);
        } else {
          ac.setAuthorized(false);
        }
        if (ac.isAuthorized()) {
          if (LOG.isDebugEnabled())
            LOG.debug("SASL server GSSAPI callback: setting "
                + "canonicalized client ID: " + authzid);
          ac.setAuthorizedID(authzid);
        }
      }
    }
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      @Override
      public void handle(Callback[] callbacks) throws InvalidToken,
      UnsupportedCallbackException {
        NameCallback nc = null;
        PasswordCallback pc = null;
        AuthorizeCallback ac = null;
        for (Callback callback : callbacks) {
          if (callback instanceof AuthorizeCallback) {
            ac = (AuthorizeCallback) callback;
          } else if (callback instanceof NameCallback) {
            nc = (NameCallback) callback;
          } else if (callback instanceof PasswordCallback) {
            pc = (PasswordCallback) callback;
          } else if (callback instanceof RealmCallback) {
            continue; // realm is ignored
          } else {
            throw new UnsupportedCallbackException(callback,
            "Unrecognized SASL DIGEST-MD5 Callback");
          }
        }
        if (pc != null) {
          DelegationTokenIdentifier tokenIdentifier = SaslRpcServer.
          getIdentifier(nc.getDefaultName(), secretManager);
          char[] password = getPassword(tokenIdentifier);

          if (LOG.isDebugEnabled()) {
            LOG.debug("SASL server DIGEST-MD5 callback: setting password "
                + "for client: " + tokenIdentifier.getUser());
          }
          pc.setPassword(password);
        }
        if (ac != null) {
          String authid = ac.getAuthenticationID();
          String authzid = ac.getAuthorizationID();
          if (authid.equals(authzid)) {
            ac.setAuthorized(true);
          } else {
            ac.setAuthorized(false);
          }
          if (ac.isAuthorized()) {
            if (LOG.isDebugEnabled()) {
              String username =
                SaslRpcServer.getIdentifier(authzid, secretManager).getUser().getUserName();
              LOG.debug("SASL server DIGEST-MD5 callback: setting "
                  + "canonicalized client ID: " + username);
            }
            ac.setAuthorizedID(authzid);
          }
        }
      }
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            NameCallback nameCb = new NameCallback("prompt", authzid);
            PasswordCallback passwordCb = new PasswordCallback("prompt", false);
            // TODO: should not get pwd as a String but as a char array...
            int passwordLen = response.length - authcidNullPosition - 1;
            String pwd = new String(response, authcidNullPosition + 1, passwordLen, "utf8");
            AuthorizeCallback authzCb = new AuthorizeCallback(authzid, authzid);
            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
            _cbh.handle(callbacks);
            String storedPwd = new String(passwordCb.getPassword());
            if (storedPwd.equals(pwd))
            {
                _complete = true;
            }
            if (authzCb.isAuthorized() && _complete)
            {
                _authorizationId = authzCb.getAuthenticationID();
                return null;
            }
            else
            {
                throw new SaslException("Authentication failed");
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            NameCallback nameCb = new NameCallback("prompt", username);
            // we do not care about the prompt but it throws if null
            PasswordCallback passwordCb = new PasswordCallback("prompt", false);
            // TODO: should not get pwd as a String but as a char array...
            String pwd = (String) ft.getString("PASSWORD");
            AuthorizeCallback authzCb = new AuthorizeCallback(username, username);
            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
            _cbh.handle(callbacks);
            String storedPwd = new String(passwordCb.getPassword());
            if (storedPwd.equals(pwd))
            {
                _complete = true;
            }
            if (authzCb.isAuthorized() && _complete)
            {
                _authorizationId = authzCb.getAuthenticationID();
                return null;
            }
            else
            {
                throw new SaslException("Authentication failed");
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    @Override
    public void handle(Callback[] callbacks) throws InvalidToken,
        UnsupportedCallbackException {
      NameCallback nc = null;
      PasswordCallback pc = null;
      AuthorizeCallback ac = null;
      for (Callback callback : callbacks) {
        if (callback instanceof AuthorizeCallback) {
          ac = (AuthorizeCallback) callback;
        } else if (callback instanceof NameCallback) {
          nc = (NameCallback) callback;
        } else if (callback instanceof PasswordCallback) {
          pc = (PasswordCallback) callback;
        } else if (callback instanceof RealmCallback) {
          continue; // realm is ignored
        } else {
          throw new UnsupportedCallbackException(callback,
              "Unrecognized SASL DIGEST-MD5 Callback");
        }
      }
      if (pc != null) {
        TokenIdentifier tokenIdentifier = getIdentifier(nc.getDefaultName(), secretManager);
        char[] password = getPassword(tokenIdentifier);
        UserGroupInformation user = null;
        user = tokenIdentifier.getUser(); // may throw exception
        connection.attemptingUser = user;
       
        if (LOG.isDebugEnabled()) {
          LOG.debug("SASL server DIGEST-MD5 callback: setting password "
              + "for client: " + tokenIdentifier.getUser());
        }
        pc.setPassword(password);
      }
      if (ac != null) {
        String authid = ac.getAuthenticationID();
        String authzid = ac.getAuthorizationID();
        if (authid.equals(authzid)) {
          ac.setAuthorized(true);
        } else {
          ac.setAuthorized(false);
        }
        if (ac.isAuthorized()) {
          if (LOG.isDebugEnabled()) {
            String username =
              getIdentifier(authzid, secretManager).getUser().getUserName();
            LOG.debug("SASL server DIGEST-MD5 callback: setting "
                + "canonicalized client ID: " + username);
          }
          ac.setAuthorizedID(authzid);
        }
      }
    }
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