Settings: revise VpnSettings.
Make the style closer to other settings. Profiles are saved in KeyStore with optional account information. Not adapt to IConnectivityManager yet. Change-Id: I9d7a0c14b253a0b355499c5e558b0761fa24ea22
This commit is contained in:
Chia-chi Yeh
325
src/com/android/settings/vpn2/VpnDialog.java
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325
src/com/android/settings/vpn2/VpnDialog.java
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.vpn2;
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import com.android.settings.R;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.security.Credentials;
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import android.security.KeyStore;
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import android.text.Editable;
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import android.text.TextWatcher;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.CheckBox;
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import android.widget.Spinner;
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import android.widget.TextView;
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class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListener {
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private static final String DUMMY = "\r\r\r\r";
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private static String getDummy(String secret) {
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return secret.isEmpty() ? "" : DUMMY;
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}
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private static String getSecret(TextView dummy) {
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String secret = dummy.getText().toString();
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return DUMMY.equals(secret) ? "" : secret;
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}
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private final KeyStore mKeyStore = KeyStore.getInstance();
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private final DialogInterface.OnClickListener mListener;
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private final VpnProfile mProfile;
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private boolean mEditing;
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private View mView;
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private TextView mName;
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private Spinner mType;
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private TextView mServer;
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private TextView mUsername;
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private TextView mPassword;
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private TextView mDomains;
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private TextView mRoutes;
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private CheckBox mMppe;
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private TextView mL2tpSecret;
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private TextView mIpsecIdentifier;
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private TextView mIpsecSecret;
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private Spinner mIpsecUserCert;
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private Spinner mIpsecCaCert;
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private CheckBox mSaveLogin;
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VpnDialog(Context context, DialogInterface.OnClickListener listener,
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VpnProfile profile, boolean editing) {
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super(context);
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mListener = listener;
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mProfile = profile;
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mEditing = editing;
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}
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@Override
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protected void onCreate(Bundle savedState) {
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mView = getLayoutInflater().inflate(R.layout.vpn_dialog, null);
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setView(mView);
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setInverseBackgroundForced(true);
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Context context = getContext();
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// First, find out all the fields.
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mName = (TextView) mView.findViewById(R.id.name);
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mType = (Spinner) mView.findViewById(R.id.type);
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mServer = (TextView) mView.findViewById(R.id.server);
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mUsername = (TextView) mView.findViewById(R.id.username);
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mPassword = (TextView) mView.findViewById(R.id.password);
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mDomains = (TextView) mView.findViewById(R.id.domains);
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mRoutes = (TextView) mView.findViewById(R.id.routes);
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mMppe = (CheckBox) mView.findViewById(R.id.mppe);
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mL2tpSecret = (TextView) mView.findViewById(R.id.l2tp_secret);
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mIpsecIdentifier = (TextView) mView.findViewById(R.id.ipsec_identifier);
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mIpsecSecret = (TextView) mView.findViewById(R.id.ipsec_secret);
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mIpsecUserCert = (Spinner) mView.findViewById(R.id.ipsec_user_cert);
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mIpsecCaCert = (Spinner) mView.findViewById(R.id.ipsec_ca_cert);
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mSaveLogin = (CheckBox) mView.findViewById(R.id.save_login);
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// Second, copy values from the profile.
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mName.setText(mProfile.name);
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mType.setSelection(mProfile.type);
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mServer.setText(mProfile.server);
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mUsername.setText(mProfile.username);
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mPassword.setText(getDummy(mProfile.password));
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mDomains.setText(mProfile.domains);
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mRoutes.setText(mProfile.routes);
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mMppe.setChecked(mProfile.mppe);
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mL2tpSecret.setText(getDummy(mProfile.l2tpSecret));
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mIpsecIdentifier.setText(mProfile.ipsecIdentifier);
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mIpsecSecret.setText(getDummy(mProfile.ipsecSecret));
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loadCertificates(mIpsecUserCert, Credentials.USER_CERTIFICATE,
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0, mProfile.ipsecUserCert);
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loadCertificates(mIpsecUserCert, Credentials.CA_CERTIFICATE,
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R.string.vpn_no_ca_cert, mProfile.ipsecCaCert);
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mSaveLogin.setChecked(mProfile.saveLogin);
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// Third, add listeners to required fields.
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mName.addTextChangedListener(this);
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mType.setOnItemSelectedListener(this);
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mServer.addTextChangedListener(this);
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mUsername.addTextChangedListener(this);
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mPassword.addTextChangedListener(this);
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mIpsecSecret.addTextChangedListener(this);
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mIpsecUserCert.setOnItemSelectedListener(this);
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// Forth, determine to do editing or connecting.
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boolean valid = validate(true);
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mEditing = mEditing || !valid;
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if (mEditing) {
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setTitle(R.string.vpn_edit);
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// Show common fields.
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mView.findViewById(R.id.editor).setVisibility(View.VISIBLE);
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// Show type-specific fields.
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changeType(mProfile.type);
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// Create a button to save the profile.
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setButton(DialogInterface.BUTTON_POSITIVE,
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context.getString(R.string.vpn_save), mListener);
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} else {
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setTitle(context.getString(R.string.vpn_connect_to, mProfile.name));
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// Not editing, just show username and password.
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mView.findViewById(R.id.login).setVisibility(View.VISIBLE);
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// Create a button to connect the network.
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setButton(DialogInterface.BUTTON_POSITIVE,
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context.getString(R.string.vpn_connect), mListener);
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}
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// Always provide a cancel button.
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setButton(DialogInterface.BUTTON_NEGATIVE,
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context.getString(R.string.vpn_cancel), mListener);
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// Let AlertDialog create everything.
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super.onCreate(null);
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// Disable the action button if necessary.
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getButton(DialogInterface.BUTTON_POSITIVE)
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.setEnabled(mEditing ? valid : validate(false));
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}
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@Override
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public void afterTextChanged(Editable field) {
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getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(validate(mEditing));
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}
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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if (parent == mType) {
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changeType(position);
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}
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getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(validate(false));
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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}
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private void changeType(int type) {
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// First, hide everything.
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mMppe.setVisibility(View.GONE);
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mView.findViewById(R.id.l2tp).setVisibility(View.GONE);
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mView.findViewById(R.id.ipsec_psk).setVisibility(View.GONE);
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mView.findViewById(R.id.ipsec_user).setVisibility(View.GONE);
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mView.findViewById(R.id.ipsec_ca).setVisibility(View.GONE);
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// Then, unhide type-specific fields.
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switch (type) {
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case VpnProfile.TYPE_PPTP:
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mMppe.setVisibility(View.VISIBLE);
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break;
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case VpnProfile.TYPE_L2TP_IPSEC_PSK:
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mView.findViewById(R.id.l2tp).setVisibility(View.VISIBLE);
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// fall through
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case VpnProfile.TYPE_IPSEC_XAUTH_PSK:
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mView.findViewById(R.id.ipsec_psk).setVisibility(View.VISIBLE);
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break;
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case VpnProfile.TYPE_L2TP_IPSEC_RSA:
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mView.findViewById(R.id.l2tp).setVisibility(View.VISIBLE);
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// fall through
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case VpnProfile.TYPE_IPSEC_XAUTH_RSA:
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mView.findViewById(R.id.ipsec_ca).setVisibility(View.VISIBLE);
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// fall through
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case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
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mView.findViewById(R.id.ipsec_user).setVisibility(View.VISIBLE);
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break;
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}
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}
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private boolean validate(boolean editing) {
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if (!editing) {
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return mUsername.getText().length() != 0 && mPassword.getText().length() != 0;
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}
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if (mName.getText().length() == 0 || mServer.getText().length() == 0) {
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return false;
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}
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switch (mType.getSelectedItemPosition()) {
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case VpnProfile.TYPE_PPTP:
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return true;
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case VpnProfile.TYPE_L2TP_IPSEC_PSK:
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case VpnProfile.TYPE_IPSEC_XAUTH_PSK:
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return mIpsecSecret.getText().length() != 0;
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case VpnProfile.TYPE_L2TP_IPSEC_RSA:
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case VpnProfile.TYPE_IPSEC_XAUTH_RSA:
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case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
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return mIpsecUserCert.getSelectedItemPosition() != 0;
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}
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return false;
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}
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private void loadCertificates(Spinner spinner, String prefix, int firstId, String selected) {
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Context context = getContext();
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String first = (firstId == 0) ? "" : context.getString(firstId);
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String[] certs = mKeyStore.saw(prefix);
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if (certs == null || certs.length == 0) {
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certs = new String[] {first};
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} else {
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String[] array = new String[certs.length + 1];
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array[0] = first;
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System.arraycopy(certs, 0, array, 1, certs.length);
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certs = array;
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}
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ArrayAdapter<String> adapter = new ArrayAdapter<String>(
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context, android.R.layout.simple_spinner_item, certs);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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spinner.setAdapter(adapter);
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for (int i = 1; i < certs.length; ++i) {
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if (certs[i].equals(selected)) {
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spinner.setSelection(i);
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break;
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}
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}
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}
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boolean isEditing() {
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return mEditing;
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}
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VpnProfile getProfile() {
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// First, save common fields.
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VpnProfile profile = new VpnProfile(mProfile.key);
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profile.name = mName.getText().toString();
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profile.type = mType.getSelectedItemPosition();
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profile.server = mServer.getText().toString().trim();
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profile.username = mUsername.getText().toString();
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profile.password = getSecret(mPassword);
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profile.domains = mDomains.getText().toString().trim();
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profile.routes = mRoutes.getText().toString().trim();
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// Then, save type-specific fields.
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switch (profile.type) {
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case VpnProfile.TYPE_PPTP:
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profile.mppe = mMppe.isChecked();
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break;
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case VpnProfile.TYPE_L2TP_IPSEC_PSK:
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profile.l2tpSecret = getSecret(mL2tpSecret);
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// fall through
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case VpnProfile.TYPE_IPSEC_XAUTH_PSK:
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profile.ipsecSecret = getSecret(mIpsecSecret);
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break;
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case VpnProfile.TYPE_L2TP_IPSEC_RSA:
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profile.l2tpSecret = getSecret(mL2tpSecret);
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// fall through
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case VpnProfile.TYPE_IPSEC_XAUTH_RSA:
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if (mIpsecCaCert.getSelectedItemPosition() != 0) {
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profile.ipsecCaCert = (String) mIpsecCaCert.getSelectedItem();
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}
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// fall through
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case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
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if (mIpsecUserCert.getSelectedItemPosition() != 0) {
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profile.ipsecUserCert = (String) mIpsecUserCert.getSelectedItem();
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}
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break;
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}
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profile.saveLogin = mSaveLogin.isChecked();
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return profile;
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}
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}
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