e0f24e6f5e
Set the password fields text appearance programatically to get the appearance consistant. The style set in xml will be overriden if the field is set to password. I set the text appearance programmatically in order to keep the appearance consistent with the others. The color of the text become gray after setting the text appearance for some reason. Note that I also do changes to the password field which is not mentioned in the bug. Test: visual inspection. Bug: 127728228 Change-Id: Ie206f60877eb39addc1370ae4e2aee379597960e
550 lines
21 KiB
Java
550 lines
21 KiB
Java
/*
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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 android.content.Context;
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import android.content.DialogInterface;
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import android.net.Proxy;
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import android.net.ProxyInfo;
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import android.os.Bundle;
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import android.os.SystemProperties;
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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.view.WindowManager;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.Spinner;
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import android.widget.TextView;
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import androidx.appcompat.app.AlertDialog;
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import com.android.internal.net.VpnProfile;
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import com.android.settings.R;
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import java.net.InetAddress;
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/**
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* Dialog showing information about a VPN configuration. The dialog
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* can be launched to either edit or prompt for credentials to connect
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* to a user-added VPN.
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*
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* {@see AppDialog}
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*/
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class ConfigDialog extends AlertDialog implements TextWatcher,
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View.OnClickListener, AdapterView.OnItemSelectedListener,
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CompoundButton.OnCheckedChangeListener {
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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 boolean mExists;
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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 mSearchDomains;
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private TextView mDnsServers;
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private TextView mRoutes;
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private Spinner mProxySettings;
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private TextView mProxyHost;
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private TextView mProxyPort;
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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 Spinner mIpsecServerCert;
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private CheckBox mSaveLogin;
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private CheckBox mShowOptions;
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private CheckBox mAlwaysOnVpn;
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private TextView mAlwaysOnInvalidReason;
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ConfigDialog(Context context, DialogInterface.OnClickListener listener,
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VpnProfile profile, boolean editing, boolean exists) {
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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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mExists = exists;
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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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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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mSearchDomains = (TextView) mView.findViewById(R.id.search_domains);
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mDnsServers = (TextView) mView.findViewById(R.id.dns_servers);
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mRoutes = (TextView) mView.findViewById(R.id.routes);
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mProxySettings = (Spinner) mView.findViewById(R.id.vpn_proxy_settings);
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mProxyHost = (TextView) mView.findViewById(R.id.vpn_proxy_host);
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mProxyPort = (TextView) mView.findViewById(R.id.vpn_proxy_port);
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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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mIpsecServerCert = (Spinner) mView.findViewById(R.id.ipsec_server_cert);
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mSaveLogin = (CheckBox) mView.findViewById(R.id.save_login);
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mShowOptions = (CheckBox) mView.findViewById(R.id.show_options);
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mAlwaysOnVpn = (CheckBox) mView.findViewById(R.id.always_on_vpn);
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mAlwaysOnInvalidReason = (TextView) mView.findViewById(R.id.always_on_invalid_reason);
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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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if (mProfile.saveLogin) {
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mUsername.setText(mProfile.username);
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mPassword.setText(mProfile.password);
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}
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mSearchDomains.setText(mProfile.searchDomains);
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mDnsServers.setText(mProfile.dnsServers);
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mRoutes.setText(mProfile.routes);
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if (mProfile.proxy != null) {
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mProxyHost.setText(mProfile.proxy.getHost());
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int port = mProfile.proxy.getPort();
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mProxyPort.setText(port == 0 ? "" : Integer.toString(port));
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}
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mMppe.setChecked(mProfile.mppe);
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mL2tpSecret.setText(mProfile.l2tpSecret);
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mL2tpSecret.setTextAppearance(android.R.style.TextAppearance_DeviceDefault_Medium);
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mIpsecIdentifier.setText(mProfile.ipsecIdentifier);
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mIpsecSecret.setText(mProfile.ipsecSecret);
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loadCertificates(mIpsecUserCert, Credentials.USER_PRIVATE_KEY, 0, mProfile.ipsecUserCert);
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loadCertificates(mIpsecCaCert, Credentials.CA_CERTIFICATE,
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R.string.vpn_no_ca_cert, mProfile.ipsecCaCert);
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loadCertificates(mIpsecServerCert, Credentials.USER_CERTIFICATE,
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R.string.vpn_no_server_cert, mProfile.ipsecServerCert);
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mSaveLogin.setChecked(mProfile.saveLogin);
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mAlwaysOnVpn.setChecked(mProfile.key.equals(VpnUtils.getLockdownVpn()));
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mPassword.setTextAppearance(android.R.style.TextAppearance_DeviceDefault_Medium);
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// Hide lockdown VPN on devices that require IMS authentication
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if (SystemProperties.getBoolean("persist.radio.imsregrequired", false)) {
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mAlwaysOnVpn.setVisibility(View.GONE);
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}
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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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mDnsServers.addTextChangedListener(this);
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mRoutes.addTextChangedListener(this);
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mProxySettings.setOnItemSelectedListener(this);
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mProxyHost.addTextChangedListener(this);
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mProxyPort.addTextChangedListener(this);
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mIpsecSecret.addTextChangedListener(this);
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mIpsecUserCert.setOnItemSelectedListener(this);
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mShowOptions.setOnClickListener(this);
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mAlwaysOnVpn.setOnCheckedChangeListener(this);
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// Fourth, determine whether to do editing or connecting.
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mEditing = mEditing || !validate(true /*editing*/);
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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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// Hide 'save login' when we are editing.
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mSaveLogin.setVisibility(View.GONE);
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// Switch to advanced view immediately if any advanced options are on
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if (!mProfile.searchDomains.isEmpty() || !mProfile.dnsServers.isEmpty() ||
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!mProfile.routes.isEmpty() || (mProfile.proxy != null &&
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(!mProfile.proxy.getHost().isEmpty() || mProfile.proxy.getPort() != 0))) {
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showAdvancedOptions();
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}
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// Create a button to forget the profile if it has already been saved..
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if (mExists) {
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setButton(DialogInterface.BUTTON_NEUTRAL,
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context.getString(R.string.vpn_forget), mListener);
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}
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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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// 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(savedState);
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// Update UI controls according to the current configuration.
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updateUiControls();
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// Workaround to resize the dialog for the input method.
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getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE |
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WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
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}
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@Override
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public void onRestoreInstanceState(Bundle savedState) {
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super.onRestoreInstanceState(savedState);
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// Visibility isn't restored by super.onRestoreInstanceState, so re-show the advanced
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// options here if they were already revealed or set.
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if (mShowOptions.isChecked()) {
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showAdvancedOptions();
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}
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}
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@Override
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public void afterTextChanged(Editable field) {
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updateUiControls();
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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 onClick(View view) {
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if (view == mShowOptions) {
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showAdvancedOptions();
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}
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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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} else if (parent == mProxySettings) {
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updateProxyFieldsVisibility(position);
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}
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updateUiControls();
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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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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
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if (compoundButton == mAlwaysOnVpn) {
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updateUiControls();
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}
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}
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public boolean isVpnAlwaysOn() {
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return mAlwaysOnVpn.isChecked();
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}
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/**
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* Updates the UI according to the current configuration entered by the user.
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*
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* These include:
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* "Always-on VPN" checkbox
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* Reason for "Always-on VPN" being disabled, when necessary
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* Proxy info if manually configured
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* "Save account information" checkbox
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* "Save" and "Connect" buttons
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*/
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private void updateUiControls() {
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VpnProfile profile = getProfile();
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// Always-on VPN
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if (profile.isValidLockdownProfile()) {
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mAlwaysOnVpn.setEnabled(true);
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mAlwaysOnInvalidReason.setVisibility(View.GONE);
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} else {
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mAlwaysOnVpn.setChecked(false);
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mAlwaysOnVpn.setEnabled(false);
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if (!profile.isTypeValidForLockdown()) {
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mAlwaysOnInvalidReason.setText(R.string.vpn_always_on_invalid_reason_type);
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} else if (!profile.isServerAddressNumeric()) {
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mAlwaysOnInvalidReason.setText(R.string.vpn_always_on_invalid_reason_server);
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} else if (!profile.hasDns()) {
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mAlwaysOnInvalidReason.setText(R.string.vpn_always_on_invalid_reason_no_dns);
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} else if (!profile.areDnsAddressesNumeric()) {
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mAlwaysOnInvalidReason.setText(R.string.vpn_always_on_invalid_reason_dns);
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} else {
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mAlwaysOnInvalidReason.setText(R.string.vpn_always_on_invalid_reason_other);
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}
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mAlwaysOnInvalidReason.setVisibility(View.VISIBLE);
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}
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// Show proxy fields if any proxy field is filled.
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if (mProfile.proxy != null && (!mProfile.proxy.getHost().isEmpty() ||
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mProfile.proxy.getPort() != 0)) {
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mProxySettings.setSelection(VpnProfile.PROXY_MANUAL);
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updateProxyFieldsVisibility(VpnProfile.PROXY_MANUAL);
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}
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// Save account information
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if (mAlwaysOnVpn.isChecked()) {
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mSaveLogin.setChecked(true);
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mSaveLogin.setEnabled(false);
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} else {
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mSaveLogin.setChecked(mProfile.saveLogin);
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mSaveLogin.setEnabled(true);
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}
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// Save or Connect button
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getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(validate(mEditing));
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}
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private void updateProxyFieldsVisibility(int position) {
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final int visible = position == VpnProfile.PROXY_MANUAL ? View.VISIBLE : View.GONE;
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mView.findViewById(R.id.vpn_proxy_fields).setVisibility(visible);
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}
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private void showAdvancedOptions() {
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mView.findViewById(R.id.options).setVisibility(View.VISIBLE);
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mShowOptions.setVisibility(View.GONE);
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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_peer).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_user).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_peer).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 (mAlwaysOnVpn.isChecked() && !getProfile().isValidLockdownProfile()) {
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return false;
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}
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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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!validateAddresses(mDnsServers.getText().toString(), false) ||
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!validateAddresses(mRoutes.getText().toString(), true)) {
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return false;
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}
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if (!validateProxy()) {
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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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case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
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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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return mIpsecUserCert.getSelectedItemPosition() != 0;
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}
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return false;
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}
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private boolean validateAddresses(String addresses, boolean cidr) {
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try {
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for (String address : addresses.split(" ")) {
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if (address.isEmpty()) {
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continue;
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}
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// Legacy VPN currently only supports IPv4.
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int prefixLength = 32;
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if (cidr) {
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String[] parts = address.split("/", 2);
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address = parts[0];
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prefixLength = Integer.parseInt(parts[1]);
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}
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byte[] bytes = InetAddress.parseNumericAddress(address).getAddress();
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int integer = (bytes[3] & 0xFF) | (bytes[2] & 0xFF) << 8 |
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(bytes[1] & 0xFF) << 16 | (bytes[0] & 0xFF) << 24;
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if (bytes.length != 4 || prefixLength < 0 || prefixLength > 32 ||
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(prefixLength < 32 && (integer << prefixLength) != 0)) {
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return false;
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}
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}
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} catch (Exception e) {
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return false;
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}
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return true;
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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[] certificates = mKeyStore.list(prefix);
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if (certificates == null || certificates.length == 0) {
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certificates = new String[] {first};
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} else {
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String[] array = new String[certificates.length + 1];
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array[0] = first;
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System.arraycopy(certificates, 0, array, 1, certificates.length);
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certificates = 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, certificates);
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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 < certificates.length; ++i) {
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if (certificates[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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boolean hasProxy() {
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return mProxySettings.getSelectedItemPosition() == VpnProfile.PROXY_MANUAL;
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}
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VpnProfile getProfile() {
|
|
// First, save common fields.
|
|
VpnProfile profile = new VpnProfile(mProfile.key);
|
|
profile.name = mName.getText().toString();
|
|
profile.type = mType.getSelectedItemPosition();
|
|
profile.server = mServer.getText().toString().trim();
|
|
profile.username = mUsername.getText().toString();
|
|
profile.password = mPassword.getText().toString();
|
|
profile.searchDomains = mSearchDomains.getText().toString().trim();
|
|
profile.dnsServers = mDnsServers.getText().toString().trim();
|
|
profile.routes = mRoutes.getText().toString().trim();
|
|
if (hasProxy()) {
|
|
String proxyHost = mProxyHost.getText().toString().trim();
|
|
String proxyPort = mProxyPort.getText().toString().trim();
|
|
// 0 is a last resort default, but the interface validates that the proxy port is
|
|
// present and non-zero.
|
|
int port = proxyPort.isEmpty() ? 0 : Integer.parseInt(proxyPort);
|
|
profile.proxy = new ProxyInfo(proxyHost, port, null);
|
|
} else {
|
|
profile.proxy = null;
|
|
}
|
|
// Then, save type-specific fields.
|
|
switch (profile.type) {
|
|
case VpnProfile.TYPE_PPTP:
|
|
profile.mppe = mMppe.isChecked();
|
|
break;
|
|
|
|
case VpnProfile.TYPE_L2TP_IPSEC_PSK:
|
|
profile.l2tpSecret = mL2tpSecret.getText().toString();
|
|
// fall through
|
|
case VpnProfile.TYPE_IPSEC_XAUTH_PSK:
|
|
profile.ipsecIdentifier = mIpsecIdentifier.getText().toString();
|
|
profile.ipsecSecret = mIpsecSecret.getText().toString();
|
|
break;
|
|
|
|
case VpnProfile.TYPE_L2TP_IPSEC_RSA:
|
|
profile.l2tpSecret = mL2tpSecret.getText().toString();
|
|
// fall through
|
|
case VpnProfile.TYPE_IPSEC_XAUTH_RSA:
|
|
if (mIpsecUserCert.getSelectedItemPosition() != 0) {
|
|
profile.ipsecUserCert = (String) mIpsecUserCert.getSelectedItem();
|
|
}
|
|
// fall through
|
|
case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
|
|
if (mIpsecCaCert.getSelectedItemPosition() != 0) {
|
|
profile.ipsecCaCert = (String) mIpsecCaCert.getSelectedItem();
|
|
}
|
|
if (mIpsecServerCert.getSelectedItemPosition() != 0) {
|
|
profile.ipsecServerCert = (String) mIpsecServerCert.getSelectedItem();
|
|
}
|
|
break;
|
|
}
|
|
|
|
final boolean hasLogin = !profile.username.isEmpty() || !profile.password.isEmpty();
|
|
profile.saveLogin = mSaveLogin.isChecked() || (mEditing && hasLogin);
|
|
return profile;
|
|
}
|
|
|
|
private boolean validateProxy() {
|
|
if (!hasProxy()) {
|
|
return true;
|
|
}
|
|
|
|
final String host = mProxyHost.getText().toString().trim();
|
|
final String port = mProxyPort.getText().toString().trim();
|
|
return Proxy.validate(host, port, "") == Proxy.PROXY_VALID;
|
|
}
|
|
|
|
}
|