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Code Issues Packages Projects 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
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@@ -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;
}
}