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package com.android.certinstaller;
import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.net.wifi.hotspot2.ConfigParser;
import android.net.wifi.hotspot2.PasspointConfiguration;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.DocumentsContract;
import android.text.TextUtils;
import android.util.EventLog;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
/**
* An Activity for provisioning a Hotspot 2.0 Release 1 configuration.
*/
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";
private static final String TYPE_WIFI_CONFIG = "application/x-wifi-config";
public static final int INSTALL_SUCCESS = 2;
public static final int INSTALL_FAIL = 1;
public static final int INSTALL_FAIL_NO_WIFI = 0;
private PasspointConfiguration mPasspointConfig;
private boolean mIsPasspointConfigurationValid;
@Override
protected void onCreate(Bundle savedStates) {
super.onCreate(savedStates);
getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
mIsPasspointConfigurationValid = false;
Bundle bundle = getIntent().getExtras();
if (bundle == null) {
Log.e(TAG, "Invalid inputs");
return;
}
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 : "-"));
// Make sure that the input is valid
if (data == null || data.length == 0 || TextUtils.isEmpty(uriString)) {
Log.e(TAG, "Invalid inputs");
return;
}
// Verify MIME type before parsing
if (!TextUtils.equals(mimeType, TYPE_WIFI_CONFIG)) {
Log.e(TAG, "Unexpected MIME type: " + mimeType);
EventLog.writeEvent(0x534e4554, "176756691", -1, "Invalid mime-type");
return;
}
mPasspointConfig = ConfigParser.parsePasspointConfig(mimeType, data);
if (mPasspointConfig == null) {
Log.e(TAG, "Failed to build Passpoint configuration");
EventLog.writeEvent(0x534e4554, "176756691", -1, "Invalid data in file "
+ uriString);
return;
}
if (mPasspointConfig.getHomeSp() == null) {
Log.e(TAG, "Passpoint profile missing HomeSP information");
} else {
// Passpoint configuration parsed successfully and valid. Mark to be installed.
mIsPasspointConfigurationValid = true;
}
// Delete the file only if the Passpoint configuration was parsed successfully
dropFile(Uri.parse(uriString), getApplicationContext());
}
@Override
protected void onResume() {
super.onResume();
createMainDialog();
}
/**
* Create a dialog that guides the user through Hotspot 2.0 Release 1 configuration file
* installation.
*/
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 (mIsPasspointConfigurationValid) {
WifiManager wifiManager = getSystemService(WifiManager.class);
text.setText(String.format(getResources().getString(R.string.wifi_installer_detail),
mPasspointConfig.getHomeSp().getFriendlyName()));
builder.setTitle(mPasspointConfig.getHomeSp().getFriendlyName());
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) {
Toast.makeText(WiFiInstaller.this, getString(R.string.wifi_installing_label),
Toast.LENGTH_LONG).show();
AsyncTask.execute(new Runnable() {
@Override
public void run() {
boolean success = true;
try {
wifiManager.removePasspointConfiguration(
mPasspointConfig.getHomeSp().getFqdn());
} catch (IllegalArgumentException e) {
// Do nothing. This is expected if a profile with this FQDN does not
// exist.
}
try {
wifiManager.addOrUpdatePasspointConfiguration(mPasspointConfig);
} 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,
mPasspointConfig.getHomeSp().getFriendlyName());
intent.putExtra(INSTALL_STATE, INSTALL_SUCCESS);
startActivity(intent);
} else {
Intent intent = new Intent(getApplicationContext(),
CredentialsInstallDialog.class);
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();
}
});
}
final AlertDialog alertDialog = builder.create();
alertDialog.show();
alertDialog.getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
}
/**
* Delete the file specified by the given URI.
*
* @param uri The URI of the file
* @param context The context of the current application
*/
private static void dropFile(Uri uri, Context context) {
try {
if (DocumentsContract.isDocumentUri(context, uri)) {
DocumentsContract.deleteDocument(context.getContentResolver(), uri);
} else {
context.getContentResolver().delete(uri, null, null);
}
} catch (Exception e) {
Log.e(TAG, "could not delete document " + uri);
}
}
}
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