package eu.faircode.email; /* This file is part of FairEmail. FairEmail is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. FairEmail is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with FairEmail. If not, see . Copyright 2018-2023 by Marcel Bokhorst (M66B) */ import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.TextView; import androidx.annotation.NonNull; import androidx.constraintlayout.widget.Group; import androidx.preference.PreferenceManager; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.w3c.dom.css.CSSStyleSheet; import java.io.File; import java.util.List; public class ActivityHTML extends ActivityBase { private TextView tvText; private ContentLoadingProgressBar pbWait; private Group grpReady; private boolean sanitize = BuildConfig.DEBUG; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null) sanitize = savedInstanceState.getBoolean("fair:sanitize"); getSupportActionBar().setDisplayHomeAsUpEnabled(true); View view = LayoutInflater.from(this).inflate(R.layout.activity_text, null); setContentView(view); tvText = findViewById(R.id.tvText); pbWait = findViewById(R.id.pbWait); grpReady = findViewById(R.id.grpReady); // Initialize grpReady.setVisibility(View.GONE); load(); } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); setIntent(intent); load(); } @Override protected void onSaveInstanceState(Bundle outState) { outState.putBoolean("fair:sanitize", sanitize); super.onSaveInstanceState(outState); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu_html, menu); return true; } @Override public boolean onPrepareOptionsMenu(Menu menu) { SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); boolean debug = prefs.getBoolean("debug", false); menu.findItem(R.id.menu_sanitize) .setVisible(BuildConfig.DEBUG || debug) .setChecked(sanitize); return super.onPrepareOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { int itemId = item.getItemId(); if (itemId == android.R.id.home) { finish(); return true; } else if (itemId == R.id.menu_sanitize) { sanitize = !sanitize; item.setChecked(sanitize); load(); return true; } return super.onOptionsItemSelected(item); } private void load() { Intent intent = getIntent(); long id = intent.getLongExtra("id", -1L); Log.i("Text id=" + id + " sanitize=" + sanitize); Bundle args = new Bundle(); args.putLong("id", id); args.putBoolean("sanitize", sanitize); new SimpleTask() { @Override protected void onPreExecute(Bundle args) { pbWait.setVisibility(View.VISIBLE); } @Override protected void onPostExecute(Bundle args) { pbWait.setVisibility(View.GONE); } @Override protected String onExecute(Context context, Bundle args) throws Throwable { long id = args.getLong("id"); boolean sanitize = args.getBoolean("sanitize"); DB db = DB.getInstance(context); EntityMessage message = db.message().getMessage(id); if (message == null) return null; args.putString("subject", message.subject); File file = message.getFile(context); if (sanitize) { Document d = JsoupEx.parse(file); List sheets = HtmlHelper.parseStyles(d.head().select("style")); for (Element element : d.select("*")) { String computed = HtmlHelper.processStyles(context, element.tagName(), element.className(), element.attr("style"), sheets); if (!TextUtils.isEmpty(computed)) element.attr("x-computed", computed); } d = HtmlHelper.sanitizeView(context, d, false); d.outputSettings().prettyPrint(true).outline(true).indentAmount(1); return d.html(); } else return Helper.readText(file); } @Override protected void onExecuted(Bundle args, String text) { getSupportActionBar().setSubtitle(args.getString("subject")); tvText.setText(text); grpReady.setVisibility(View.VISIBLE); } @Override protected void onException(Bundle args, @NonNull Throwable ex) { Log.unexpectedError(getSupportFragmentManager(), ex, false); } }.execute(this, args, "view:text"); } }