diff options
Diffstat (limited to 'src/org/thialfihar/android/apg/DecryptFileActivity.java')
| -rw-r--r-- | src/org/thialfihar/android/apg/DecryptFileActivity.java | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/src/org/thialfihar/android/apg/DecryptFileActivity.java b/src/org/thialfihar/android/apg/DecryptFileActivity.java deleted file mode 100644 index f8eeed57a..000000000 --- a/src/org/thialfihar/android/apg/DecryptFileActivity.java +++ /dev/null @@ -1,346 +0,0 @@ -/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-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.io.OutputStream;
-import java.security.Security;
-import java.security.SignatureException;
-
-import org.bouncycastle2.jce.provider.BouncyCastleProvider;
-import org.bouncycastle2.openpgp.PGPException;
-import org.openintents.intents.FileManager;
-
-import android.app.Dialog;
-import android.content.ActivityNotFoundException;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Message;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.Button;
-import android.widget.CheckBox;
-import android.widget.EditText;
-import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
-public class DecryptFileActivity extends BaseActivity {
- private EditText mFilename = null;
- private CheckBox mDeleteAfter = null;
- private ImageButton mBrowse = null;
- private Button mDecryptButton = null;
- private LinearLayout mSignatureLayout = null;
- private ImageView mSignatureStatusImage = null;
- private TextView mUserId = null;
- private TextView mUserIdRest = null;
-
- private String mInputFilename = null;
- private String mOutputFilename = null;
-
- private boolean mAssumeSymmetricEncryption = false;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.decrypt_file);
-
- mFilename = (EditText) findViewById(R.id.filename);
- mBrowse = (ImageButton) findViewById(R.id.btn_browse);
- mBrowse.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- openFile();
- }
- });
-
- mDeleteAfter = (CheckBox) findViewById(R.id.delete_after_decryption);
-
- mDecryptButton = (Button) findViewById(R.id.btn_decrypt);
- mDecryptButton.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View v) {
- decryptClicked();
- }
- });
-
- mSignatureLayout = (LinearLayout) findViewById(R.id.layout_signature);
- mSignatureStatusImage = (ImageView) findViewById(R.id.ic_signature_status);
- mUserId = (TextView) findViewById(R.id.main_user_id);
- mUserIdRest = (TextView) findViewById(R.id.main_user_id_rest);
-
- mSignatureLayout.setVisibility(View.INVISIBLE);
- }
-
- private void openFile() {
- String filename = mFilename.getText().toString();
-
- Intent intent = new Intent(FileManager.ACTION_PICK_FILE);
-
- intent.setData(Uri.parse("file://" + filename));
-
- intent.putExtra(FileManager.EXTRA_TITLE, "Select file to decrypt...");
- intent.putExtra(FileManager.EXTRA_BUTTON_TEXT, "Open");
-
- try {
- startActivityForResult(intent, Id.request.filename);
- } catch (ActivityNotFoundException e) {
- // No compatible file manager was found.
- Toast.makeText(this, R.string.no_filemanager_installed, Toast.LENGTH_SHORT).show();
- }
- }
-
- private void decryptClicked() {
- String error = null;
- String currentFilename = mFilename.getText().toString();
- if (mInputFilename == null || !mInputFilename.equals(currentFilename)) {
- mInputFilename = mFilename.getText().toString();
- File file = new File(mInputFilename);
- String filename = file.getName();
- if (filename.endsWith(".asc") || filename.endsWith(".gpg")) {
- filename = filename.substring(0, filename.length() - 4);
- }
- mOutputFilename = Constants.path.app_dir + "/" + filename;
- }
-
- if (mInputFilename.equals("")) {
- Toast.makeText(this, "Select a file first.", Toast.LENGTH_SHORT).show();
- return;
- }
-
- File file = new File(mInputFilename);
- if (!file.exists() || !file.isFile()) {
- Toast.makeText(this, "Error: file not found", Toast.LENGTH_SHORT).show();
- return;
- }
-
- try {
- InputStream in = new FileInputStream(mInputFilename);
- try {
- setSecretKeyId(Apg.getDecryptionKeyId(in));
- if (getSecretKeyId() == 0) {
- throw new Apg.GeneralException("no suitable secret key found");
- }
- mAssumeSymmetricEncryption = false;
- } catch (Apg.NoAsymmetricEncryptionException e) {
- setSecretKeyId(0);
- // reopen the file to check whether there's symmetric encryption data in there
- in = new FileInputStream(mInputFilename);
- if (!Apg.hasSymmetricEncryption(in)) {
- throw new Apg.GeneralException("no known kind of encryption found");
- }
- mAssumeSymmetricEncryption = true;
- }
-
- showDialog(Id.dialog.pass_phrase);
- } catch (FileNotFoundException e) {
- error = "file not found: " + e.getLocalizedMessage();
- } catch (IOException e) {
- error = e.getLocalizedMessage();
- } catch (Apg.GeneralException e) {
- error = e.getLocalizedMessage();
- }
- if (error != null) {
- Toast.makeText(this, "Error: " + error, Toast.LENGTH_SHORT).show();
- }
- }
-
- @Override
- public void passPhraseCallback(String passPhrase) {
- super.passPhraseCallback(passPhrase);
- askForOutputFilename();
- }
-
- private void askForOutputFilename() {
- showDialog(Id.dialog.output_filename);
- }
-
- private void decryptStart() {
- showDialog(Id.dialog.decrypting);
- startThread();
- }
-
- @Override
- public void run() {
- String error = null;
- Security.addProvider(new BouncyCastleProvider());
-
- Bundle data = new Bundle();
- Message msg = new Message();
-
- try {
- InputStream in = new FileInputStream(mInputFilename);
- OutputStream out = new FileOutputStream(mOutputFilename);
-
- data = Apg.decrypt(in, out, Apg.getPassPhrase(), this, mAssumeSymmetricEncryption);
-
- out.close();
- } catch (PGPException e) {
- error = e.getMessage();
- } catch (IOException e) {
- error = e.getMessage();
- } catch (SignatureException e) {
- error = e.getMessage();
- e.printStackTrace();
- } catch (Apg.GeneralException e) {
- error = e.getMessage();
- }
-
- data.putInt("type", Id.message.done);
-
- if (error != null) {
- data.putString("error", error);
- }
-
- msg.setData(data);
- sendMessage(msg);
- }
-
- @Override
- protected Dialog onCreateDialog(int id) {
- switch (id) {
- case Id.dialog.output_filename: {
- return FileDialog.build(this, "Decrypt to file",
- "Please specify which file to decrypt to.\n" +
- "WARNING! File will be overwritten if it exists.",
- mOutputFilename,
- new FileDialog.OnClickListener() {
-
- @Override
- public void onOkClick(String filename) {
- removeDialog(Id.dialog.output_filename);
- mOutputFilename = filename;
- decryptStart();
- }
-
- @Override
- public void onCancelClick() {
- removeDialog(Id.dialog.output_filename);
- }
- },
- getString(R.string.filemanager_title_save),
- getString(R.string.filemanager_btn_save),
- Id.request.output_filename);
- }
-
- default: {
- break;
- }
- }
-
- return super.onCreateDialog(id);
- }
-
- @Override
- protected void onActivityResult(int requestCode, int resultCode, Intent data) {
- switch (requestCode) {
- case Id.request.filename: {
- if (resultCode == RESULT_OK && data != null) {
- String filename = data.getDataString();
- if (filename != null) {
- // Get rid of URI prefix:
- if (filename.startsWith("file://")) {
- filename = filename.substring(7);
- }
- // replace %20 and so on
- filename = Uri.decode(filename);
-
- mFilename.setText(filename);
- }
- }
- return;
- }
-
- case Id.request.output_filename: {
- if (resultCode == RESULT_OK && data != null) {
- String filename = data.getDataString();
- if (filename != null) {
- // Get rid of URI prefix:
- if (filename.startsWith("file://")) {
- filename = filename.substring(7);
- }
- // replace %20 and so on
- filename = Uri.decode(filename);
-
- FileDialog.setFilename(filename);
- }
- }
- return;
- }
-
- default: {
- break;
- }
- }
- super.onActivityResult(requestCode, resultCode, data);
- }
-
- @Override
- public void doneCallback(Message msg) {
- super.doneCallback(msg);
- Bundle data = msg.getData();
- removeDialog(Id.dialog.decrypting);
-
- String error = data.getString("error");
- if (error != null) {
- Toast.makeText(DecryptFileActivity.this,
- "Error: " + data.getString("error"),
- Toast.LENGTH_SHORT).show();
- } else {
- Toast.makeText(DecryptFileActivity.this,
- "Successfully decrypted.",
- Toast.LENGTH_SHORT).show();
- if (mDeleteAfter.isChecked()) {
- setDeleteFile(mInputFilename);
- showDialog(Id.dialog.delete_file);
- }
- }
-
- mSignatureLayout.setVisibility(View.INVISIBLE);
- if (data.getBoolean("signature")) {
- String userId = data.getString("signatureUserId");
- long signatureKeyId = data.getLong("signatureKeyId");
- mUserIdRest.setText("id: " + Long.toHexString(signatureKeyId & 0xffffffffL));
- if (userId == null) {
- userId = getResources().getString(R.string.unknown_user_id);
- }
- String chunks[] = userId.split(" <", 2);
- userId = chunks[0];
- if (chunks.length > 1) {
- mUserIdRest.setText("<" + chunks[1]);
- }
- mUserId.setText(userId);
-
- if (data.getBoolean("signatureSuccess")) {
- mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
- } else if (data.getBoolean("signatureUnknown")) {
- mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
- } else {
- mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
- }
- mSignatureLayout.setVisibility(View.VISIBLE);
- }
- }
-}
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