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package com.android.certinstaller;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiEnterpriseConfig;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.security.Credentials;
import android.security.KeyStore;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import java.security.PrivateKey;
import java.security.interfaces.RSAPrivateKey;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
public class WiFiInstaller extends Activity {
private static final String TAG = "WifiInstaller";
private static final String NETWORK_NAME = "network_name";
private static final String INSTALL_STATE = "install_state";
public static final int INSTALL_SUCCESS = 2;
public static final int INSTALL_FAIL = 1;
public static final int INSTALL_FAIL_NO_WIFI = 0;
WifiConfiguration mWifiConfiguration;
WifiManager mWifiManager;
boolean doNotInstall;
@Override
protected void onCreate(Bundle savedStates) {
super.onCreate(savedStates);
Bundle bundle = getIntent().getExtras();
String uriString = bundle.getString(CertInstallerMain.WIFI_CONFIG_FILE);
String mimeType = bundle.getString(CertInstallerMain.WIFI_CONFIG);
byte[] data = bundle.getByteArray(CertInstallerMain.WIFI_CONFIG_DATA);
Log.d(TAG, "WiFi data for " + CertInstallerMain.WIFI_CONFIG + ": " +
mimeType + " is " + (data != null ? data.length : "-"));
mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
mWifiConfiguration = mWifiManager.buildWifiConfig(uriString, mimeType, data);
if (mWifiConfiguration != null) {
WifiEnterpriseConfig enterpriseConfig = mWifiConfiguration.enterpriseConfig;
doNotInstall = (enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TTLS
|| enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TLS)
&& enterpriseConfig.getCaCertificate() == null;
if (!doNotInstall && (enterpriseConfig.getClientCertificate() != null
|| enterpriseConfig.getCaCertificate() != null)) {
if (!KeyStore.getInstance().isUnlocked()) {
try {
startActivity(new Intent(Credentials.UNLOCK_ACTION));
} catch (ActivityNotFoundException e) {
Log.w(TAG, e);
}
}
}
} else {
Log.w(TAG, "failed to build wifi configuration");
doNotInstall = true;
}
}
@Override
protected void onResume() {
super.onResume();
createMainDialog();
}
public static List<String> splitDomain(String domain) {
if (domain.endsWith(".")) {
domain = domain.substring(0, domain.length() - 1);
}
String[] labels = domain.toLowerCase().split("\\.");
LinkedList<String> labelList = new LinkedList<>();
for (String label : labels) {
labelList.addFirst(label);
}
return labelList;
}
public static boolean sameBaseDomain(List<String> arg1, String domain) {
if (domain == null) {
return false;
}
List<String> arg2 = splitDomain(domain);
if (arg2.isEmpty()) {
return false;
}
Iterator<String> l1 = arg1.iterator();
Iterator<String> l2 = arg2.iterator();
while(l1.hasNext() && l2.hasNext()) {
if (!l1.next().equals(l2.next())) {
return false;
}
}
return true;
}
private void createMainDialog() {
Resources res = getResources();
AlertDialog.Builder builder = new AlertDialog.Builder(this);
View layout = getLayoutInflater().inflate(R.layout.wifi_main_dialog, null);
builder.setView(layout);
TextView text = (TextView) layout.findViewById(R.id.wifi_info);
if (!doNotInstall) {
text.setText(String.format(getResources().getString(R.string.wifi_installer_detail),
mWifiConfiguration.providerFriendlyName));
builder.setTitle(mWifiConfiguration.providerFriendlyName);
builder.setIcon(res.getDrawable(R.drawable.signal_wifi_4_bar_lock_black_24dp));
builder.setPositiveButton(R.string.wifi_install_label,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
List<String> newDomain = splitDomain(mWifiConfiguration.FQDN);
for (WifiConfiguration config : mWifiManager.getConfiguredNetworks()) {
if (sameBaseDomain(newDomain, config.FQDN)) {
mWifiManager.removeNetwork(config.networkId);
break;
}
}
boolean success;
try {
success = mWifiManager.addNetwork(mWifiConfiguration) != -1
&& mWifiManager.saveConfiguration();
}
catch (RuntimeException rte) {
Log.w(TAG, "Caught exception while installing wifi config: " + rte, rte);
success = false;
}
if (success) {
Intent intent = new Intent(getApplicationContext(),
CredentialsInstallDialog.class);
intent.putExtra(NETWORK_NAME, mWifiConfiguration.providerFriendlyName);
intent.putExtra(INSTALL_STATE, INSTALL_SUCCESS);
startActivity(intent);
} else {
Intent intent = new Intent(getApplicationContext(),
CredentialsInstallDialog.class);
if (!mWifiManager.isWifiEnabled()) {
intent.putExtra(INSTALL_STATE, INSTALL_FAIL_NO_WIFI);
} else {
intent.putExtra(INSTALL_STATE, INSTALL_FAIL);
}
startActivity(intent);
}
dialog.dismiss();
finish();
}
});
builder.setNegativeButton(R.string.wifi_cancel_label, new
DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
} else {
text.setText(getResources().getString(R.string.wifi_installer_download_error));
builder.setPositiveButton(R.string.done_label, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
}
builder.create().show();
}
}
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