mirror of https://github.com/M66B/FairEmail.git
304 lines
13 KiB
Java
304 lines
13 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2019 by Marcel Bokhorst (M66B)
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*/
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import android.Manifest;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.res.AssetFileDescriptor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.text.Spanned;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.ArrayAdapter;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AlertDialog;
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import androidx.constraintlayout.widget.Group;
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import com.google.android.material.snackbar.Snackbar;
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import com.sun.mail.imap.IMAPFolder;
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import java.io.InputStream;
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import java.util.List;
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import java.util.Properties;
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import javax.mail.Flags;
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import javax.mail.Folder;
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import javax.mail.Message;
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import javax.mail.Session;
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import javax.mail.internet.MimeMessage;
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public class ActivityEML extends ActivityBase {
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private Uri uri;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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getSupportActionBar().setSubtitle("EML");
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setContentView(R.layout.activity_eml);
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final TextView tvTo = findViewById(R.id.tvTo);
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final TextView tvFrom = findViewById(R.id.tvFrom);
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final TextView tvReplyTo = findViewById(R.id.tvReplyTo);
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final TextView tvCc = findViewById(R.id.tvCc);
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final TextView tvBcc = findViewById(R.id.tvBcc);
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final TextView tvSubject = findViewById(R.id.tvSubject);
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final TextView tvHeaders = findViewById(R.id.tvHeaders);
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final TextView tvParts = findViewById(R.id.tvParts);
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final TextView tvBody = findViewById(R.id.tvBody);
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final TextView tvHtml = findViewById(R.id.tvHtml);
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final ContentLoadingProgressBar pbWait = findViewById(R.id.pbWait);
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final Group grpReady = findViewById(R.id.grpReady);
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grpReady.setVisibility(View.GONE);
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uri = getIntent().getData();
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if (uri == null) {
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pbWait.setVisibility(View.GONE);
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return;
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} else
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pbWait.setVisibility(View.VISIBLE);
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Log.i("EML uri=" + uri);
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Bundle args = new Bundle();
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args.putParcelable("uri", uri);
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new SimpleTask<Result>() {
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@Override
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protected void onPostExecute(Bundle args) {
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pbWait.setVisibility(View.GONE);
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}
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@Override
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protected Result onExecute(Context context, Bundle args) throws Throwable {
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Uri uri = args.getParcelable("uri");
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if ("file".equals(uri.getScheme()) &&
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!Helper.hasPermission(context, Manifest.permission.READ_EXTERNAL_STORAGE)) {
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Log.w("EML uri=" + uri);
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throw new IllegalArgumentException(context.getString(R.string.title_no_stream));
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}
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Result result = new Result();
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ContentResolver resolver = context.getContentResolver();
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AssetFileDescriptor descriptor = resolver.openTypedAssetFileDescriptor(uri, "*/*", null);
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try (InputStream is = descriptor.createInputStream()) {
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Properties props = MessageHelper.getSessionProperties();
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Session isession = Session.getInstance(props, null);
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MimeMessage imessage = new MimeMessage(isession, is);
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MessageHelper helper = new MessageHelper(imessage);
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result.from = MessageHelper.formatAddresses(helper.getFrom());
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result.to = MessageHelper.formatAddresses(helper.getTo());
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result.replyto = MessageHelper.formatAddresses(helper.getReply());
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result.cc = MessageHelper.formatAddresses(helper.getCc());
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result.bcc = MessageHelper.formatAddresses(helper.getBcc());
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result.subject = helper.getSubject();
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result.headers = HtmlHelper.highlightHeaders(context, helper.getHeaders());
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MessageHelper.MessageParts parts = helper.getMessageParts();
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StringBuilder sb = new StringBuilder();
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for (MessageHelper.AttachmentPart apart : parts.getAttachmentParts()) {
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if (sb.length() > 0)
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sb.append("<br>");
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sb.append(apart.part.getContentType());
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if (apart.disposition != null)
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sb.append(' ').append(apart.disposition);
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if (apart.filename != null)
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sb.append(' ').append(apart.filename);
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}
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result.parts = HtmlHelper.fromHtml(sb.toString());
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result.html = parts.getHtml(context);
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if (result.html != null) {
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result.body = HtmlHelper.fromHtml(HtmlHelper.sanitize(context, result.html, false));
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if (result.html.length() > 100 * 1024)
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result.html = null;
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}
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return result;
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}
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}
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@Override
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protected void onExecuted(Bundle args, Result result) {
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tvFrom.setText(result.from);
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tvTo.setText(result.to);
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tvReplyTo.setText(result.replyto);
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tvCc.setText(result.cc);
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tvBcc.setText(result.bcc);
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tvSubject.setText(result.subject);
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tvHeaders.setText(result.headers);
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tvParts.setText(result.parts);
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tvBody.setText(result.body);
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tvHtml.setText(result.html);
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grpReady.setVisibility(View.VISIBLE);
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}
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@Override
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protected void onException(Bundle args, @NonNull Throwable ex) {
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if (ex instanceof IllegalArgumentException)
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Snackbar.make(findViewById(android.R.id.content), ex.getMessage(), Snackbar.LENGTH_LONG).show();
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else
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Helper.unexpectedError(getSupportFragmentManager(), ex);
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}
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}.execute(this, args, "eml:decode");
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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MenuInflater inflater = getMenuInflater();
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inflater.inflate(R.menu.menu_eml, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(@NonNull MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_save:
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onMenuSave();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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private void onMenuSave() {
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new SimpleTask<List<EntityAccount>>() {
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@Override
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protected List<EntityAccount> onExecute(Context context, Bundle args) {
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DB db = DB.getInstance(context);
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return db.account().getSynchronizingAccounts();
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}
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@Override
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protected void onExecuted(Bundle args, List<EntityAccount> accounts) {
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ArrayAdapter<EntityAccount> adapter =
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new ArrayAdapter<>(ActivityEML.this, R.layout.spinner_item1, android.R.id.text1);
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adapter.addAll(accounts);
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new AlertDialog.Builder(ActivityEML.this)
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.setAdapter(adapter, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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EntityAccount account = adapter.getItem(which);
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Bundle args = new Bundle();
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args.putParcelable("uri", uri);
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args.putLong("account", account.id);
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new SimpleTask<String>() {
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@Override
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protected void onPreExecute(Bundle args) {
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ToastEx.makeText(ActivityEML.this, R.string.title_executing, Toast.LENGTH_LONG).show();
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}
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@Override
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protected String onExecute(Context context, Bundle args) throws Throwable {
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Uri uri = args.getParcelable("uri");
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long aid = args.getLong("account");
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DB db = DB.getInstance(context);
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EntityAccount account = db.account().getAccount(aid);
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if (account == null)
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return null;
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EntityFolder inbox = db.folder().getFolderByType(account.id, EntityFolder.INBOX);
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if (inbox == null)
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throw new IllegalArgumentException(context.getString(R.string.title_no_folder));
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ContentResolver resolver = context.getContentResolver();
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AssetFileDescriptor descriptor = resolver.openTypedAssetFileDescriptor(uri, "*/*", null);
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try (InputStream is = descriptor.createInputStream()) {
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Properties props = MessageHelper.getSessionProperties();
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Session isession = Session.getInstance(props, null);
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MimeMessage imessage = new MimeMessage(isession, is);
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try (MailService iservice = new MailService(context, account.getProtocol(), account.realm, account.insecure, true)) {
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iservice.setPartialFetch(account.partial_fetch);
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iservice.setSeparateStoreConnection();
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iservice.connect(account);
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IMAPFolder ifolder = (IMAPFolder) iservice.getStore().getFolder(inbox.name);
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ifolder.open(Folder.READ_WRITE);
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if (ifolder.getPermanentFlags().contains(Flags.Flag.DRAFT))
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imessage.setFlag(Flags.Flag.DRAFT, false);
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ifolder.appendMessages(new Message[]{imessage});
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}
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}
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return account.name + "/" + inbox.name;
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}
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@Override
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protected void onExecuted(Bundle args, String name) {
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ToastEx.makeText(ActivityEML.this, name, Toast.LENGTH_LONG).show();
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}
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@Override
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protected void onException(Bundle args, @NonNull Throwable ex) {
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if (ex instanceof IllegalArgumentException)
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Snackbar.make(findViewById(android.R.id.content), ex.getMessage(), Snackbar.LENGTH_LONG).show();
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else
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Helper.unexpectedError(getSupportFragmentManager(), ex);
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}
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}.execute(ActivityEML.this, args, "eml:store");
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}
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})
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.setNegativeButton(android.R.string.cancel, null)
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.show();
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}
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@Override
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protected void onException(Bundle args, @NonNull Throwable ex) {
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Helper.unexpectedError(getSupportFragmentManager(), ex);
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}
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}.execute(this, new Bundle(), "messages:accounts");
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}
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private class Result {
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String from;
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String to;
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String replyto;
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String cc;
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String bcc;
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String subject;
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Spanned headers;
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Spanned parts;
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Spanned body;
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String html;
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}
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}
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