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Code Issues Releases Wiki Activity

Allow saving EML attachments

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This commit is contained in:
M66B 2019-11-10 13:45:13 +01:00
parent ddb476fffe
commit d6525eaa68
4 changed files with 202 additions and 28 deletions
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153
app/src/main/java/eu/faircode/email/ActivityEML.java
View file

@ -23,26 +23,36 @@ import android.Manifest;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.net.Uri;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.text.Spanned;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.constraintlayout.widget.Group;
import com.google.android.material.snackbar.Snackbar;
import com.sun.mail.imap.IMAPFolder;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
@ -50,12 +60,17 @@ import java.util.Properties;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.ContentType;
import javax.mail.internet.MimeMessage;
public class ActivityEML extends ActivityBase {
private Uri uri;
private Result result;
private MessageHelper.AttachmentPart apart;
private static final int REQUEST_ATTACHMENT = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -67,11 +82,28 @@ public class ActivityEML extends ActivityBase {
final TextView tvTo = findViewById(R.id.tvTo);
final TextView tvFrom = findViewById(R.id.tvFrom);
final TextView tvSubject = findViewById(R.id.tvSubject);
final TextView tvAttachments = findViewById(R.id.tvAttachments);
final ListView lvAttachment = findViewById(R.id.lvAttachment);
final TextView tvBody = findViewById(R.id.tvBody);
final ContentLoadingProgressBar pbWait = findViewById(R.id.pbWait);
final Group grpReady = findViewById(R.id.grpReady);
lvAttachment.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
apart = result.parts.getAttachmentParts().get(position);
Intent create = new Intent(Intent.ACTION_CREATE_DOCUMENT);
create.addCategory(Intent.CATEGORY_OPENABLE);
create.setType(apart.attachment.getMimeType());
if (!TextUtils.isEmpty(apart.attachment.name))
create.putExtra(Intent.EXTRA_TITLE, apart.attachment.name);
if (create.resolveActivity(getPackageManager()) == null)
ToastEx.makeText(ActivityEML.this, R.string.title_no_saf, Toast.LENGTH_LONG).show();
else
startActivityForResult(Helper.getChooser(ActivityEML.this, create), REQUEST_ATTACHMENT);
}
});
grpReady.setVisibility(View.GONE);
uri = getIntent().getData();
@ -117,23 +149,9 @@ public class ActivityEML extends ActivityBase {
result.from = MessageHelper.formatAddresses(helper.getFrom());
result.to = MessageHelper.formatAddresses(helper.getTo());
result.subject = helper.getSubject();
result.parts = helper.getMessageParts();
MessageHelper.MessageParts parts = helper.getMessageParts();
StringBuilder sb = new StringBuilder();
for (MessageHelper.AttachmentPart apart : parts.getAttachmentParts()) {
if (sb.length() > 0)
sb.append("<br>");
ContentType ct = new ContentType(apart.part.getContentType());
sb.append(ct.getBaseType().toLowerCase(Locale.ROOT));
if (apart.disposition != null)
sb.append(' ').append(apart.disposition);
if (apart.filename != null)
sb.append(' ').append(apart.filename);
}
result.attachments = HtmlHelper.fromHtml(sb.toString());
String html = parts.getHtml(context);
String html = result.parts.getHtml(context);
if (html != null)
result.body = HtmlHelper.fromHtml(HtmlHelper.sanitize(context, html, false));
@ -143,10 +161,32 @@ public class ActivityEML extends ActivityBase {
@Override
protected void onExecuted(Bundle args, Result result) {
ActivityEML.this.result = result;
tvFrom.setText(result.from);
tvTo.setText(result.to);
tvSubject.setText(result.subject);
tvAttachments.setText(result.attachments);
List<String> attachments = new ArrayList<>();
for (MessageHelper.AttachmentPart apart : result.parts.getAttachmentParts()) {
StringBuilder sb = new StringBuilder();
try {
ContentType ct = new ContentType(apart.part.getContentType());
sb.append(ct.getBaseType().toLowerCase(Locale.ROOT));
} catch (MessagingException ex) {
sb.append(ex.getMessage());
}
if (apart.disposition != null)
sb.append(' ').append(apart.disposition);
if (apart.filename != null)
sb.append(' ').append(apart.filename);
attachments.add(sb.toString());
}
ArrayAdapter adapter = new ArrayAdapter<>(
ActivityEML.this, R.layout.list_item1, android.R.id.text1, attachments);
lvAttachment.setAdapter(adapter);
tvBody.setText(result.body);
grpReady.setVisibility(View.VISIBLE);
}
@ -161,6 +201,81 @@ public class ActivityEML extends ActivityBase {
}.execute(this, args, "eml:decode");
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
try {
switch (requestCode) {
case REQUEST_ATTACHMENT:
if (resultCode == RESULT_OK && data != null)
onSaveAttachment(data);
break;
}
} catch (Throwable ex) {
Log.e(ex);
}
}
private void onSaveAttachment(Intent data) {
Bundle args = new Bundle();
args.putParcelable("uri", data.getData());
new SimpleTask<Void>() {
@Override
protected Void onExecute(Context context, Bundle args) throws Throwable {
Uri uri = args.getParcelable("uri");
if (!"content".equals(uri.getScheme())) {
Log.w("Save attachment uri=" + uri);
throw new IllegalArgumentException(context.getString(R.string.title_no_stream));
}
ParcelFileDescriptor pfd = null;
OutputStream os = null;
InputStream is;
try {
pfd = getContentResolver().openFileDescriptor(uri, "w");
os = new FileOutputStream(pfd.getFileDescriptor());
is = apart.part.getInputStream();
byte[] buffer = new byte[Helper.BUFFER_SIZE];
int read;
while ((read = is.read(buffer)) != -1)
os.write(buffer, 0, read);
} finally {
try {
if (pfd != null)
pfd.close();
} catch (Throwable ex) {
Log.w(ex);
}
try {
if (os != null)
os.close();
} catch (Throwable ex) {
Log.w(ex);
}
}
return null;
}
@Override
protected void onExecuted(Bundle args, Void data) {
ToastEx.makeText(ActivityEML.this, R.string.title_attachment_saved, Toast.LENGTH_LONG).show();
}
@Override
protected void onException(Bundle args, Throwable ex) {
if (ex instanceof IllegalArgumentException || ex instanceof FileNotFoundException)
ToastEx.makeText(ActivityEML.this, ex.getMessage(), Toast.LENGTH_LONG).show();
else
Helper.unexpectedError(getSupportFragmentManager(), ex);
}
}.execute(this, args, "eml:attachment");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
@ -282,7 +397,7 @@ public class ActivityEML extends ActivityBase {
String from;
String to;
String subject;
Spanned attachments;
MessageHelper.MessageParts parts;
Spanned body;
}
}

46
app/src/main/java/eu/faircode/email/ListViewEx.java Normal file
View file

@ -0,0 +1,46 @@
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 <http://www.gnu.org/licenses/>.
Copyright 2018-2019 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.util.AttributeSet;
import android.widget.ListView;
public class ListViewEx extends ListView {
public ListViewEx(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ListViewEx(Context context) {
super(context);
}
public ListViewEx(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(
widthMeasureSpec,
MeasureSpec.makeMeasureSpec(
Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST));
}
}

14
app/src/main/res/layout/activity_eml.xml
View file

@ -103,17 +103,13 @@
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tvSubject" />
<TextView
android:id="@+id/tvAttachments"
<eu.faircode.email.ListViewEx
android:id="@+id/lvAttachment"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:text="Attachments"
android:textAppearance="@style/TextAppearance.AppCompat.Small"
android:textIsSelectable="true"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/vSeparatorAttachments" />
app:layout_constraintTop_toBottomOf="@+id/vSeparatorAttachments" />
<View
android:id="@+id/vSeparatorBody"
@ -123,7 +119,7 @@
android:background="?attr/colorSeparator"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tvAttachments" />
app:layout_constraintTop_toBottomOf="@id/lvAttachment" />
<TextView
android:id="@+id/tvBody"
@ -146,7 +142,7 @@
vSeparatorHeader,tvFromTitle,tvFrom,
tvToTitle,tvTo,
tvSubject,
vSeparatorAttachments,tvAttachments,
vSeparatorAttachments,lvAttachment,
vSeparatorBody,tvBody" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>

17
app/src/main/res/layout/list_item1.xml Normal file
View file

@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="3dp">
<TextView
android:id="@android:id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Text1"
android:textAppearance="@style/TextAppearance.AppCompat.Small"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>