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Code Issues Releases Wiki Activity

Added option to require validated connection

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This commit is contained in:
M66B 2021-03-17 12:48:44 +01:00
parent c667f48511
commit 8ebfab6093
4 changed files with 42 additions and 8 deletions
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21
app/src/main/java/eu/faircode/email/ConnectionHelper.java
View file

@ -210,6 +210,10 @@ public class ConnectionHelper {
}
private static Boolean isMetered(Context context) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean standalone_vpn = prefs.getBoolean("standalone_vpn", false);
boolean require_validated = prefs.getBoolean("require_validated", false);
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) {
Log.i("isMetered: no connectivity manager");
@ -248,10 +252,17 @@ public class ConnectionHelper {
Log.i("isMetered: active caps=" + caps);
if (caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN) &&
!caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) {
Log.i("isMetered: no internet");
return null;
if (caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN)) {
if (!caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) {
Log.i("isMetered: no internet");
return null;
}
if (require_validated &&
Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
!caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)) {
Log.i("isMetered: not validated");
return null;
}
}
if (!caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED)) {
@ -265,8 +276,6 @@ public class ConnectionHelper {
return null;
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean standalone_vpn = prefs.getBoolean("standalone_vpn", false);
if (standalone_vpn ||
caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN)) {
// NET_CAPABILITY_NOT_METERED is unreliable on older Android versions

15
app/src/main/java/eu/faircode/email/FragmentOptionsConnection.java
View file

@ -59,6 +59,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
private Spinner spDownload;
private SwitchCompat swRoaming;
private SwitchCompat swRlah;
private SwitchCompat swValidated;
private EditText etTimeout;
private SwitchCompat swPreferIp4;
private SwitchCompat swStandaloneVpn;
@ -71,7 +72,8 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
private TextView tvNetworkInfo;
private final static String[] RESET_OPTIONS = new String[]{
"metered", "download", "roaming", "rlah", "timeout", "prefer_ip4", "standalone_vpn", "tcp_keep_alive", "ssl_harden"
"metered", "download", "roaming", "rlah",
"require_validated", "timeout", "prefer_ip4", "standalone_vpn", "tcp_keep_alive", "ssl_harden"
};
@Override
@ -88,6 +90,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
spDownload = view.findViewById(R.id.spDownload);
swRoaming = view.findViewById(R.id.swRoaming);
swRlah = view.findViewById(R.id.swRlah);
swValidated = view.findViewById(R.id.swValidated);
etTimeout = view.findViewById(R.id.etTimeout);
swPreferIp4 = view.findViewById(R.id.swPreferIp4);
swStandaloneVpn = view.findViewById(R.id.swStandaloneVpn);
@ -141,6 +144,14 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
}
});
swValidated.setVisibility(Build.VERSION.SDK_INT < Build.VERSION_CODES.M ? View.GONE : View.VISIBLE);
swValidated.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
prefs.edit().putBoolean("require_validated", checked).apply();
}
});
etTimeout.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
@ -307,6 +318,8 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
swRoaming.setChecked(prefs.getBoolean("roaming", true));
swRlah.setChecked(prefs.getBoolean("rlah", true));
swValidated.setChecked(prefs.getBoolean("require_validated", false));
int timeout = prefs.getInt("timeout", 0);
etTimeout.setText(timeout == 0 ? null : Integer.toString(timeout));
etTimeout.setHint(Integer.toString(EmailService.DEFAULT_CONNECT_TIMEOUT));

13
app/src/main/res/layout/fragment_options_connection.xml
View file

@ -163,6 +163,17 @@
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tvRlahHint" />
<androidx.appcompat.widget.SwitchCompat
android:id="@+id/swValidated"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="12dp"
android:text="@string/title_advanced_validated"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tvAdvanced"
app:switchPadding="12dp" />
<eu.faircode.email.FixedTextView
android:id="@+id/tvTimeout"
android:layout_width="0dp"
@ -174,7 +185,7 @@
android:textColor="?android:attr/textColorPrimary"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tvAdvanced" />
app:layout_constraintTop_toBottomOf="@id/swValidated" />
<eu.faircode.email.FixedTextView
android:id="@+id/tvTimeoutHint"

1
app/src/main/res/values/strings.xml
View file

@ -337,6 +337,7 @@
<string name="title_advanced_download">Automatically download messages and attachments on a metered connection up to</string>
<string name="title_advanced_roaming">Download messages and attachments while roaming</string>
<string name="title_advanced_rlah">Roam like at home</string>
<string name="title_advanced_validated">Require a validated (checked) connection</string>
<string name="title_advanced_timeout">Connection timeout (seconds)</string>
<string name="title_advanced_prefer_ip4">Prefer IPv4 over IPv6</string>
<string name="title_advanced_standalone_vpn" translatable="false">Standalone VPN (debug only)</string>