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/*
* Copyright (c) 2012-2016 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.openvpn.fragments;
import java.io.File;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Bundle;
import androidx.preference.CheckBoxPreference;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
import androidx.preference.PreferenceFragmentCompat;
import de.blinkt.openvpn.BuildConfig;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.VpnProfile;
import de.blinkt.openvpn.activities.OpenSSLSpeed;
import de.blinkt.openvpn.api.ExternalAppDatabase;
import de.blinkt.openvpn.core.ProfileManager;
public class GeneralSettings extends PreferenceFragmentCompat implements Preference.OnPreferenceClickListener, OnClickListener, Preference.OnPreferenceChangeListener {
private ExternalAppDatabase mExtapp;
private ListPreference mAlwaysOnVPN;
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
// Load the preferences from an XML resource
addPreferencesFromResource(R.xml.general_settings);
PreferenceCategory devHacks = findPreference("device_hacks");
mAlwaysOnVPN = findPreference("alwaysOnVpn");
mAlwaysOnVPN.setOnPreferenceChangeListener(this);
Preference loadtun = findPreference("loadTunModule");
if (!isTunModuleAvailable()) {
loadtun.setEnabled(false);
devHacks.removePreference(loadtun);
}
CheckBoxPreference cm9hack = (CheckBoxPreference) findPreference("useCM9Fix");
if (!cm9hack.isChecked() && (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1)) {
devHacks.removePreference(cm9hack);
}
CheckBoxPreference useInternalFS = (CheckBoxPreference) findPreference("useInternalFileSelector");
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
devHacks.removePreference(useInternalFS);
}
/* Android P does not allow access to the file storage anymore */
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
Preference useInternalFileSelector = findPreference("useInternalFileSelector");
devHacks.removePreference(useInternalFileSelector);
}
mExtapp = new ExternalAppDatabase(getActivity());
Preference clearapi = findPreference("clearapi");
clearapi.setOnPreferenceClickListener(this);
findPreference("osslspeed").setOnPreferenceClickListener(this);
if (devHacks.getPreferenceCount() == 0)
getPreferenceScreen().removePreference(devHacks);
if (!BuildConfig.openvpn3) {
PreferenceCategory appBehaviour = (PreferenceCategory) findPreference("app_behaviour");
CheckBoxPreference ovpn3 = (CheckBoxPreference) findPreference("ovpn3");
ovpn3.setEnabled(false);
ovpn3.setChecked(false);
}
setClearApiSummary();
}
@Override
public void onResume() {
super.onResume();
VpnProfile vpn = ProfileManager.getAlwaysOnVPN(getActivity());
StringBuffer sb = new StringBuffer(getString(R.string.defaultvpnsummary));
sb.append('\n');
if (vpn == null)
sb.append(getString(R.string.novpn_selected));
else
sb.append(getString(R.string.vpnselected, vpn.getName()));
mAlwaysOnVPN.setSummary(sb.toString());
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mAlwaysOnVPN) {
VpnProfile vpn = ProfileManager.get(getActivity(), (String) newValue);
mAlwaysOnVPN.setSummary(vpn.getName());
}
return true;
}
private void setClearApiSummary() {
Preference clearapi = findPreference("clearapi");
if (mExtapp.getExtAppList().isEmpty()) {
clearapi.setEnabled(false);
clearapi.setSummary(R.string.no_external_app_allowed);
} else {
clearapi.setEnabled(true);
clearapi.setSummary(getString(R.string.allowed_apps, getExtAppList(", ")));
}
}
private String getExtAppList(String delim) {
ApplicationInfo app;
PackageManager pm = getActivity().getPackageManager();
StringBuilder applist = new StringBuilder();
for (String packagename : mExtapp.getExtAppList()) {
try {
app = pm.getApplicationInfo(packagename, 0);
if (applist.length() != 0)
applist.append(delim);
applist.append(app.loadLabel(pm));
} catch (NameNotFoundException e) {
// App not found. Remove it from the list
mExtapp.removeApp(packagename);
}
}
return applist.toString();
}
private boolean isTunModuleAvailable() {
// Check if the tun module exists on the file system
return new File("/system/lib/modules/tun.ko").length() > 10;
}
@Override
public boolean onPreferenceClick(Preference preference) {
if (preference.getKey().equals("clearapi")) {
Builder builder = new AlertDialog.Builder(getActivity());
builder.setPositiveButton(R.string.clear, this);
builder.setNegativeButton(android.R.string.cancel, null);
builder.setMessage(getString(R.string.clearappsdialog, getExtAppList("\n")));
builder.show();
} else if (preference.getKey().equals("osslspeed")) {
startActivity(new Intent(getActivity(), OpenSSLSpeed.class));
}
return true;
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == Dialog.BUTTON_POSITIVE) {
mExtapp.clearAllApiApps();
setClearApiSummary();
}
}
}
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