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Code Issues Releases Wiki Activity

Protected content: replaces images by place holders

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M66B 2022-10-17 21:06:35 +02:00
parent 8a1001a04a
commit e20623c64c
2 changed files with 28 additions and 1 deletions
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27
app/src/main/java/eu/faircode/email/StyleHelper.java
View file

@ -24,8 +24,11 @@ import android.content.Context;
import android.content.DialogInterface; import android.content.DialogInterface;
import android.content.Intent; import android.content.Intent;
import android.content.SharedPreferences; import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color; import android.graphics.Color;
import android.graphics.Typeface; import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build; import android.os.Build;
import android.os.Bundle; import android.os.Bundle;
import android.text.Editable; import android.text.Editable;
@ -64,6 +67,7 @@ import android.widget.Toast;
import androidx.annotation.NonNull; import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog; import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.widget.PopupMenu; import androidx.appcompat.widget.PopupMenu;
import androidx.core.content.ContextCompat;
import androidx.core.content.res.ResourcesCompat; import androidx.core.content.res.ResourcesCompat;
import androidx.lifecycle.LifecycleOwner; import androidx.lifecycle.LifecycleOwner;
import androidx.preference.PreferenceManager; import androidx.preference.PreferenceManager;
@ -73,6 +77,10 @@ import com.flask.colorpicker.builder.ColorPickerClickListener;
import com.flask.colorpicker.builder.ColorPickerDialogBuilder; import com.flask.colorpicker.builder.ColorPickerDialogBuilder;
import com.google.android.material.textfield.TextInputLayout; import com.google.android.material.textfield.TextInputLayout;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer; import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.security.SecureRandom; import java.security.SecureRandom;
@ -615,7 +623,26 @@ public class StyleHelper {
protected String onExecute(Context context, Bundle args) throws Throwable { protected String onExecute(Context context, Bundle args) throws Throwable {
Spanned text = (Spanned) args.getCharSequence("text"); Spanned text = (Spanned) args.getCharSequence("text");
String password = args.getString("password"); String password = args.getString("password");
Drawable d = ContextCompat.getDrawable(context, R.drawable.twotone_image_24);
d.setTint(Color.GRAY);
Bitmap bm = Bitmap.createBitmap(24, 24, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(bm);
d.setBounds(0, 0, c.getWidth(), c.getHeight());
d.draw(c);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, bos);
StringBuilder sb = new StringBuilder();
sb.append("data:image/png;base64,");
sb.append(Base64.encodeToString(bos.toByteArray(), Base64.NO_WRAP));
String html = HtmlHelper.toHtml(text, context); String html = HtmlHelper.toHtml(text, context);
Document doc = JsoupEx.parse(html);
for (Element img : doc.select("img"))
img.attr("src", sb.toString());
html = doc.body().html();
if (html.length() > MAX_PROTECTED_TEXT) if (html.length() > MAX_PROTECTED_TEXT)
throw new IllegalArgumentException(context.getString(R.string.title_style_protect_size)); throw new IllegalArgumentException(context.getString(R.string.title_style_protect_size));

2
decrypt/index.html
View file

@ -11,7 +11,7 @@
<meta name="robots" content="noindex"> <meta name="robots" content="noindex">
<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP --> <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
<meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; script-src 'unsafe-inline' *.faircode.eu;"> <meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src data: ; script-src 'unsafe-inline' https://*.faircode.eu;">
<style> <style>
body { padding-left: 10px; padding-right: 10px; font-family: Arial, Helvetica, sans-serif; } body { padding-left: 10px; padding-right: 10px; font-family: Arial, Helvetica, sans-serif; }