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Add basic profile spoofing detection.

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This commit is contained in:
Alex Hart
2020-11-04 16:00:12 -04:00
committed by Alan Evans
parent 2f69a9c38e
commit 3dc1614fbc
30 changed files with 1726 additions and 10 deletions
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62
app/src/main/java/org/thoughtcrime/securesms/contacts/avatars/FallbackPhoto20dp.java Normal file
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@@ -0,0 +1,62 @@
package org.thoughtcrime.securesms.contacts.avatars;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import androidx.annotation.DrawableRes;
import androidx.annotation.NonNull;
import androidx.appcompat.content.res.AppCompatResources;
import androidx.core.graphics.drawable.DrawableCompat;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.util.ThemeUtil;
import org.thoughtcrime.securesms.util.ViewUtil;
import java.util.Objects;
/**
* Fallback resource based contact photo with a 20dp icon
*/
public final class FallbackPhoto20dp implements FallbackContactPhoto {
@DrawableRes private final int drawable20dp;
public FallbackPhoto20dp(@DrawableRes int drawable20dp) {
this.drawable20dp = drawable20dp;
}
@Override
public Drawable asDrawable(Context context, int color) {
return buildDrawable(context, color);
}
@Override
public Drawable asDrawable(Context context, int color, boolean inverted) {
return buildDrawable(context, color);
}
@Override
public Drawable asSmallDrawable(Context context, int color, boolean inverted) {
return buildDrawable(context, color);
}
@Override
public Drawable asCallCard(Context context) {
throw new UnsupportedOperationException();
}
private @NonNull Drawable buildDrawable(@NonNull Context context, int color) {
Drawable background = DrawableCompat.wrap(Objects.requireNonNull(AppCompatResources.getDrawable(context, R.drawable.circle_tintable))).mutate();
Drawable foreground = AppCompatResources.getDrawable(context, drawable20dp);
Drawable gradient = ThemeUtil.getThemedDrawable(context, R.attr.resource_placeholder_gradient);
LayerDrawable drawable = new LayerDrawable(new Drawable[]{background, foreground, gradient});
int foregroundInset = ViewUtil.dpToPx(2);
DrawableCompat.setTint(background, color);
drawable.setLayerInset(1, foregroundInset, foregroundInset, foregroundInset, foregroundInset);
return drawable;
}
}

10
app/src/main/java/org/thoughtcrime/securesms/contacts/avatars/GeneratedContactPhoto.java
View File

@@ -58,7 +58,7 @@ public class GeneratedContactPhoto implements FallbackContactPhoto {
return new LayerDrawable(new Drawable[] { base, gradient });
}
return new ResourceContactPhoto(fallbackResId).asDrawable(context, color, inverted);
return newFallbackDrawable(context, color, inverted);
}
@Override
@@ -66,6 +66,14 @@ public class GeneratedContactPhoto implements FallbackContactPhoto {
return asDrawable(context, color, inverted);
}
protected @DrawableRes int getFallbackResId() {
return fallbackResId;
}
protected Drawable newFallbackDrawable(@NonNull Context context, int color, boolean inverted) {
return new ResourceContactPhoto(fallbackResId).asDrawable(context, color, inverted);
}
private @Nullable String getAbbreviation(String name) {
String[] parts = name.split(" ");
StringBuilder builder = new StringBuilder();