package com.termux.filepicker;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.provider.OpenableColumns;
import android.util.Log;
import android.util.Patterns;
import com.termux.R;
import com.termux.app.DialogUtils;
import com.termux.app.TermuxService;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
public class TermuxFileReceiverActivity extends Activity {
static final String TERMUX_RECEIVEDIR = TermuxService.FILES_PATH + "/home/downloads";
static final String EDITOR_PROGRAM = TermuxService.HOME_PATH + "/bin/termux-file-editor";
static final String URL_OPENER_PROGRAM = TermuxService.HOME_PATH + "/bin/termux-url-opener";
/**
* If the activity should be finished when the name input dialog is dismissed. This is disabled
* before showing an error dialog, since the act of showing the error dialog will cause the
* name input dialog to be implicitly dismissed, and we do not want to finish the activity directly
* when showing the error dialog.
*/
boolean mFinishOnDismissNameDialog = true;
@Override
protected void onResume() {
super.onResume();
final Intent intent = getIntent();
final String action = intent.getAction();
final String type = intent.getType();
final String scheme = intent.getScheme();
if (Intent.ACTION_SEND.equals(action) && type != null) {
final String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
final Uri sharedUri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (sharedText != null) {
if (Patterns.WEB_URL.matcher(sharedText).matches()) {
handleUrlAndFinish(sharedText);
} else {
String subject = intent.getStringExtra(Intent.EXTRA_SUBJECT);
if (subject == null) subject = intent.getStringExtra(Intent.EXTRA_TITLE);
if (subject != null) subject += ".txt";
promptNameAndSave(new ByteArrayInputStream(sharedText.getBytes(StandardCharsets.UTF_8)), subject);
}
} else if (sharedUri != null) {
handleContentUri(sharedUri, intent.getStringExtra(Intent.EXTRA_TITLE));
} else {
showErrorDialogAndQuit("Send action without content - nothing to save.");
}
} else if ("content".equals(scheme)) {
handleContentUri(intent.getData(), intent.getStringExtra(Intent.EXTRA_TITLE));
} else if ("file".equals(scheme)) {
// When e.g. clicking on a downloaded apk:
String path = intent.getData().getPath();
File file = new File(path);
try {
FileInputStream in = new FileInputStream(file);
promptNameAndSave(in, file.getName());
} catch (FileNotFoundException e) {
showErrorDialogAndQuit("Cannot open file: " + e.getMessage() + ".");
}
} else {
showErrorDialogAndQuit("Unable to receive any file or URL.");
}
}
void showErrorDialogAndQuit(String message) {
mFinishOnDismissNameDialog = false;
new AlertDialog.Builder(this).setMessage(message).setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
finish();
}
}).setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
}).show();
}
void handleContentUri(final Uri uri, String subjectFromIntent) {
try {
String attachmentFileName = null;
String[] projection = new String[]{OpenableColumns.DISPLAY_NAME};
try (Cursor c = getContentResolver().query(uri, projection, null, null, null)) {
if (c != null && c.moveToFirst()) {
final int fileNameColumnId = c.getColumnIndex(OpenableColumns.DISPLAY_NAME);
if (fileNameColumnId >= 0) attachmentFileName = c.getString(fileNameColumnId);
}
}
if (attachmentFileName == null) attachmentFileName = subjectFromIntent;
InputStream in = getContentResolver().openInputStream(uri);
promptNameAndSave(in, attachmentFileName);
} catch (Exception e) {
showErrorDialogAndQuit("Unable to handle shared content:\n\n" + e.getMessage());
Log.e("termux", "handleContentUri(uri=" + uri + ") failed", e);
}
}
void promptNameAndSave(final InputStream in, final String attachmentFileName) {
DialogUtils.textInput(this, R.string.file_received_title, attachmentFileName, R.string.file_received_edit_button, new DialogUtils.TextSetListener() {
@Override
public void onTextSet(String text) {
File outFile = saveStreamWithName(in, text);
if (outFile == null) return;
final File editorProgramFile = new File(EDITOR_PROGRAM);
if (!editorProgramFile.isFile()) {
showErrorDialogAndQuit("The following file does not exist:\n$HOME/bin/termux-file-editor\n\n"
+ "Create this file as a script or a symlink - it will be called with the received file as only argument.");
return;
}
// Do this for the user if necessary:
//noinspection ResultOfMethodCallIgnored
editorProgramFile.setExecutable(true);
final Uri scriptUri = new Uri.Builder().scheme("file").path(EDITOR_PROGRAM).build();
Intent executeIntent = new Intent(TermuxService.ACTION_EXECUTE, scriptUri);
executeIntent.setClass(TermuxFileReceiverActivity.this, TermuxService.class);
executeIntent.putExtra(TermuxService.EXTRA_ARGUMENTS, new String[]{outFile.getAbsolutePath()});
startService(executeIntent);
finish();
}
},
R.string.file_received_open_folder_button, new DialogUtils.TextSetListener() {
@Override
public void onTextSet(String text) {
if (saveStreamWithName(in, text) == null) return;
Intent executeIntent = new Intent(TermuxService.ACTION_EXECUTE);
executeIntent.putExtra(TermuxService.EXTRA_CURRENT_WORKING_DIRECTORY, TERMUX_RECEIVEDIR);
executeIntent.setClass(TermuxFileReceiverActivity.this, TermuxService.class);
startService(executeIntent);
finish();
}
},
android.R.string.cancel, new DialogUtils.TextSetListener() {
@Override
public void onTextSet(final String text) {
finish();
}
}, new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
if (mFinishOnDismissNameDialog) finish();
}
});
}
public File saveStreamWithName(InputStream in, String attachmentFileName) {
File receiveDir = new File(TERMUX_RECEIVEDIR);
if (!receiveDir.isDirectory() && !receiveDir.mkdirs()) {
showErrorDialogAndQuit("Cannot create directory: " + receiveDir.getAbsolutePath());
return null;
}
try {
final File outFile = new File(receiveDir, attachmentFileName);
try (FileOutputStream f = new FileOutputStream(outFile)) {
byte[] buffer = new byte[4096];
int readBytes;
while ((readBytes = in.read(buffer)) > 0) {
f.write(buffer, 0, readBytes);
}
}
return outFile;
} catch (IOException e) {
showErrorDialogAndQuit("Error saving file:\n\n" + e);
Log.e("termux", "Error saving file", e);
return null;
}
}
void handleUrlAndFinish(final String url) {
final File urlOpenerProgramFile = new File(URL_OPENER_PROGRAM);
if (!urlOpenerProgramFile.isFile()) {
showErrorDialogAndQuit("The following file does not exist:\n$HOME/bin/termux-url-opener\n\n"
+ "Create this file as a script or a symlink - it will be called with the shared URL as only argument.");
return;
}
// Do this for the user if necessary:
//noinspection ResultOfMethodCallIgnored
urlOpenerProgramFile.setExecutable(true);
final Uri urlOpenerProgramUri = new Uri.Builder().scheme("file").path(URL_OPENER_PROGRAM).build();
Intent executeIntent = new Intent(TermuxService.ACTION_EXECUTE, urlOpenerProgramUri);
executeIntent.setClass(TermuxFileReceiverActivity.this, TermuxService.class);
executeIntent.putExtra(TermuxService.EXTRA_ARGUMENTS, new String[]{url});
startService(executeIntent);
finish();
}
}