| 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 android.widget.Toast; |
| import android.os.AsyncTask; |
| |
| 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; |
| } 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) { |
| final boolean wifiEnabled = mWifiManager.isWifiEnabled(); |
| if (wifiEnabled) { |
| Toast.makeText(WiFiInstaller.this, getString(R.string.wifi_installing_label), |
| Toast.LENGTH_LONG).show(); |
| } |
| AsyncTask.execute(new Runnable() { |
| @Override |
| public void run() { |
| boolean success = false; |
| if (wifiEnabled) { |
| List<String> newDomain = splitDomain(mWifiConfiguration.FQDN); |
| for (WifiConfiguration config : |
| mWifiManager.getConfiguredNetworks()) { |
| if (sameBaseDomain(newDomain, config.FQDN)) { |
| mWifiManager.removeNetwork(config.networkId); |
| break; |
| } |
| } |
| 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 (!wifiEnabled) { |
| intent.putExtra(INSTALL_STATE, INSTALL_FAIL_NO_WIFI); |
| } else { |
| intent.putExtra(INSTALL_STATE, INSTALL_FAIL); |
| } |
| startActivity(intent); |
| } |
| finish(); |
| } |
| }); |
| dialog.dismiss(); |
| } |
| }); |
| |
| 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(); |
| } |
| } |