new EncryptActivity to handle message and file encryption all in one

1 files changed, 0 insertions, 520 deletions

diff --git a/src/org/thialfihar/android/apg/EncryptFileActivity.java b/src/org/thialfihar/android/apg/EncryptFileActivity.java
deleted file mode 100644
index dee9a3e39..000000000
--- a/src/org/thialfihar/android/apg/EncryptFileActivity.java
+++ /dev/null
@@ -1,520 +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.NoSuchAlgorithmException;

-import java.security.NoSuchProviderException;

-import java.security.SignatureException;

-

-import org.bouncycastle2.openpgp.PGPEncryptedData;

-import org.bouncycastle2.openpgp.PGPException;

-import org.bouncycastle2.openpgp.PGPSecretKey;

-import org.bouncycastle2.openpgp.PGPSecretKeyRing;

-import org.openintents.intents.FileManager;

-import org.thialfihar.android.apg.Apg.GeneralException;

-import org.thialfihar.android.apg.utils.Choice;

-

-import android.app.Dialog;

-import android.content.ActivityNotFoundException;

-import android.content.Intent;

-import android.net.Uri;

-import android.os.Bundle;

-import android.os.Environment;

-import android.os.Message;

-import android.view.View;

-import android.view.ViewGroup;

-import android.view.View.OnClickListener;

-import android.widget.ArrayAdapter;

-import android.widget.Button;

-import android.widget.CheckBox;

-import android.widget.EditText;

-import android.widget.ImageButton;

-import android.widget.RadioGroup;

-import android.widget.Spinner;

-import android.widget.TextView;

-import android.widget.Toast;

-import android.widget.RadioGroup.OnCheckedChangeListener;

-

-public class EncryptFileActivity extends BaseActivity {

-    private EditText mFilename = null;

-    private CheckBox mDeleteAfter = null;

-    private ImageButton mBrowse = null;

-    private CheckBox mSign = null;

-    private TextView mMainUserId = null;

-    private TextView mMainUserIdRest = null;

-    private Spinner mAlgorithm = null;

-    private EditText mPassPhrase = null;

-    private EditText mPassPhraseAgain = null;

-    private CheckBox mAsciiArmour = null;

-    private RadioGroup mEncryptionMode = null;

-    private ViewGroup mAsymmetricLayout = null;

-    private ViewGroup mSymmetricLayout = null;

-    private Button mEncryptButton = null;

-    private Button mSelectKeysButton = null;

-

-    private long mEncryptionKeyIds[] = null;

-    private String mInputFilename = null;

-    private String mOutputFilename = null;

-

-

-    @Override

-    protected void onCreate(Bundle savedInstanceState) {

-        super.onCreate(savedInstanceState);

-        setContentView(R.layout.encrypt_file);

-

-        mAsciiArmour = (CheckBox) findViewById(R.id.ascii_armour);

-        mAsciiArmour.setChecked(getDefaultAsciiArmour());

-        mAsciiArmour.setOnClickListener(new OnClickListener() {

-

-            @Override

-            public void onClick(View view) {

-                guessOutputFilename();

-            }

-        });

-

-        // asymmetric tab

-        mSelectKeysButton = (Button) findViewById(R.id.btn_selectEncryptKeys);

-        mSelectKeysButton.setOnClickListener(new OnClickListener() {

-            @Override

-            public void onClick(View v) {

-                selectPublicKeys();

-            }

-        });

-

-        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_encryption);

-

-        mEncryptButton = (Button) findViewById(R.id.btn_encrypt);

-        mSign = (CheckBox) findViewById(R.id.sign);

-        mMainUserId = (TextView) findViewById(R.id.main_user_id);

-        mMainUserIdRest = (TextView) findViewById(R.id.main_user_id_rest);

-

-        mSign.setOnClickListener(new OnClickListener() {

-            @Override

-            public void onClick(View v) {

-                CheckBox checkBox = (CheckBox) v;

-                if (checkBox.isChecked()) {

-                    selectSecretKey();

-                } else {

-                    setSecretKeyId(0);

-                    Apg.setPassPhrase(null);

-                    updateView();

-                }

-            }

-        });

-

-        // symmetric tab

-

-        mAlgorithm = (Spinner) findViewById(R.id.algorithm);

-        Choice choices[] = {

-                new Choice(PGPEncryptedData.AES_128, "AES 128"),

-                new Choice(PGPEncryptedData.AES_192, "AES 192"),

-                new Choice(PGPEncryptedData.AES_256, "AES 256"),

-                new Choice(PGPEncryptedData.BLOWFISH, "Blowfish"),

-                new Choice(PGPEncryptedData.TWOFISH, "Twofish"),

-                new Choice(PGPEncryptedData.CAST5, "CAST5"),

-                new Choice(PGPEncryptedData.DES, "DES"),

-                new Choice(PGPEncryptedData.TRIPLE_DES, "Triple DES"),

-                new Choice(PGPEncryptedData.IDEA, "IDEA"),

-        };

-        ArrayAdapter<Choice> adapter =

-                new ArrayAdapter<Choice>(this, android.R.layout.simple_spinner_item, choices);

-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

-        mAlgorithm.setAdapter(adapter);

-        for (int i = 0; i < choices.length; ++i) {

-            if (choices[i].getId() == getDefaultEncryptionAlgorithm()) {

-                mAlgorithm.setSelection(i);

-                break;

-            }

-        }

-

-        mEncryptionMode = (RadioGroup) findViewById(R.id.encryption_mode);

-        mAsymmetricLayout = (ViewGroup) findViewById(R.id.layout_asymmetric);

-        mSymmetricLayout = (ViewGroup) findViewById(R.id.layout_symmetric);

-        mPassPhrase = (EditText) findViewById(R.id.pass_phrase);

-        mPassPhraseAgain = (EditText) findViewById(R.id.pass_phrase_again);

-

-        mEncryptionMode.check(R.id.use_asymmetric);

-        mEncryptionMode.setOnCheckedChangeListener(new OnCheckedChangeListener() {

-            @Override

-            public void onCheckedChanged(RadioGroup group, int checkedId) {

-                if (checkedId == R.id.use_symmetric) {

-                    mAsymmetricLayout.setVisibility(ViewGroup.GONE);

-                    mSymmetricLayout.setVisibility(ViewGroup.VISIBLE);

-                    mEncryptionKeyIds = null;

-                    setSecretKeyId(0);

-                } else {

-                    mAsymmetricLayout.setVisibility(ViewGroup.VISIBLE);

-                    mSymmetricLayout.setVisibility(ViewGroup.GONE);

-                    mPassPhrase.setText("");

-                    mPassPhraseAgain.setText("");

-                }

-                updateView();

-            }

-        });

-        if (mEncryptionMode.getCheckedRadioButtonId() == R.id.use_symmetric) {

-            mAsymmetricLayout.setVisibility(ViewGroup.GONE);

-            mSymmetricLayout.setVisibility(ViewGroup.VISIBLE);

-        } else {

-            mAsymmetricLayout.setVisibility(ViewGroup.VISIBLE);

-            mSymmetricLayout.setVisibility(ViewGroup.GONE);

-        }

-

-        mEncryptButton.setOnClickListener(new OnClickListener() {

-            @Override

-            public void onClick(View v) {

-                encryptClicked();

-            }

-        });

-

-        updateView();

-    }

-

-    private void updateView() {

-        if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {

-            mSelectKeysButton.setText(R.string.no_keys_selected);

-        } else if (mEncryptionKeyIds.length == 1) {

-            mSelectKeysButton.setText(R.string.one_key_selected);

-        } else {

-            mSelectKeysButton.setText("" + mEncryptionKeyIds.length + " " +

-                                      getResources().getString(R.string.n_keys_selected));

-        }

-

-        if (getSecretKeyId() == 0) {

-            mSign.setChecked(false);

-            mMainUserId.setText("");

-            mMainUserIdRest.setText("");

-        } else {

-            String uid = getResources().getString(R.string.unknown_user_id);

-            String uidExtra = "";

-            PGPSecretKeyRing keyRing = Apg.getSecretKeyRing(getSecretKeyId());

-            if (keyRing != null) {

-                PGPSecretKey key = Apg.getMasterKey(keyRing);

-                if (key != null) {

-                    String userId = Apg.getMainUserIdSafe(this, key);

-                    String chunks[] = userId.split(" <", 2);

-                    uid = chunks[0];

-                    if (chunks.length > 1) {

-                        uidExtra = "<" + chunks[1];

-                    }

-                }

-            }

-            mMainUserId.setText(uid);

-            mMainUserIdRest.setText(uidExtra);

-            mSign.setChecked(true);

-        }

-    }

-

-    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 encrypt...");

-        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 selectSecretKey() {

-        Intent intent = new Intent(this, SelectSecretKeyListActivity.class);

-        startActivityForResult(intent, Id.request.secret_keys);

-    }

-

-    private void selectPublicKeys() {

-        Intent intent = new Intent(this, SelectPublicKeyListActivity.class);

-        intent.putExtra("selection", mEncryptionKeyIds);

-        startActivityForResult(intent, Id.request.public_keys);

-    }

-

-    private void guessOutputFilename() {

-        mInputFilename = mFilename.getText().toString();

-        File file = new File(mInputFilename);

-        String ending = (mAsciiArmour.isChecked() ? ".asc" : ".gpg");

-        mOutputFilename = Constants.path.app_dir + "/" + file.getName() + ending;

-    }

-

-    private void encryptClicked() {

-        String currentFilename = mFilename.getText().toString();

-        if (mInputFilename == null || !mInputFilename.equals(currentFilename)) {

-            guessOutputFilename();

-        }

-

-        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;

-        }

-

-        // symmetric encryption

-        if (mEncryptionMode.getCheckedRadioButtonId() == R.id.use_symmetric) {

-            boolean gotPassPhrase = false;

-            String passPhrase = mPassPhrase.getText().toString();

-            String passPhraseAgain = mPassPhraseAgain.getText().toString();

-            if (!passPhrase.equals(passPhraseAgain)) {

-                Toast.makeText(this, "Pass phrases don't match.",

-                               Toast.LENGTH_SHORT).show();

-                return;

-            }

-

-            gotPassPhrase = (passPhrase.length() != 0);

-            if (!gotPassPhrase) {

-                Toast.makeText(this, "Enter a pass phrase.",

-                               Toast.LENGTH_SHORT).show();

-                return;

-            }

-        } else {

-            boolean encryptIt = mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0;

-            // for now require at least one form of encryption

-            if (!encryptIt) {

-                Toast.makeText(this, "Select at least one encryption key.",

-                               Toast.LENGTH_SHORT).show();

-                return;

-            }

-

-            if (getSecretKeyId() != 0 && Apg.getPassPhrase() == null) {

-                showDialog(Id.dialog.pass_phrase);

-                return;

-            }

-        }

-

-        askForOutputFilename();

-    }

-

-    @Override

-    public void passPhraseCallback(String passPhrase) {

-        super.passPhraseCallback(passPhrase);

-        askForOutputFilename();

-    }

-

-    private void askForOutputFilename() {

-        showDialog(Id.dialog.output_filename);

-    }

-

-    private void encryptStart() {

-        showDialog(Id.dialog.encrypting);

-        startThread();

-    }

-

-    @Override

-    public void run() {

-        String error = null;

-        Bundle data = new Bundle();

-        Message msg = new Message();

-

-        try {

-            if (mInputFilename.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath()) ||

-                mOutputFilename.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {

-                if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {

-                    throw new GeneralException("external storage not ready");

-                }

-            }

-

-            InputStream in = new FileInputStream(mInputFilename);

-            OutputStream out = new FileOutputStream(mOutputFilename);

-

-            String passPhrase = null;

-            if (mEncryptionMode.getCheckedRadioButtonId() == R.id.use_symmetric) {

-                passPhrase = mPassPhrase.getText().toString();

-                if (passPhrase.length() == 0) {

-                    passPhrase = null;

-                }

-            }

-

-            File file = new File(mInputFilename);

-            long fileSize = file.length();

-

-            Apg.encrypt(in, out, fileSize, mAsciiArmour.isChecked(),

-                        mEncryptionKeyIds, getSecretKeyId(),

-                        Apg.getPassPhrase(), this,

-                        ((Choice) mAlgorithm.getSelectedItem()).getId(),

-                        getDefaultHashAlgorithm(),

-                        passPhrase);

-

-            out.close();

-        } catch (FileNotFoundException e) {

-            error = "file not found: " + e.getMessage();

-        }

-        catch (IOException e) {

-            error = e.getMessage();

-        } catch (PGPException e) {

-            error = e.getMessage();

-        } catch (NoSuchProviderException e) {

-            error = e.getMessage();

-        } catch (NoSuchAlgorithmException e) {

-            error = e.getMessage();

-        } catch (SignatureException e) {

-            error = e.getMessage();

-        } 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, "Encrypt to file",

-                                        "Please specify which file to encrypt 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;

-                                                encryptStart();

-                                            }

-

-                                            @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;

-            }

-

-            case Id.request.secret_keys: {

-                if (resultCode == RESULT_OK) {

-                    super.onActivityResult(requestCode, resultCode, data);

-                }

-                updateView();

-                break;

-            }

-

-            case Id.request.public_keys: {

-                if (resultCode == RESULT_OK) {

-                    Bundle bundle = data.getExtras();

-                    mEncryptionKeyIds = bundle.getLongArray("selection");

-                }

-                updateView();

-                break;

-            }

-

-            default: {

-                break;

-            }

-        }

-        super.onActivityResult(requestCode, resultCode, data);

-    }

-

-    @Override

-    public void doneCallback(Message msg) {

-        super.doneCallback(msg);

-        Bundle data = msg.getData();

-        removeDialog(Id.dialog.encrypting);

-

-        String error = data.getString("error");

-        if (error != null) {

-            Toast.makeText(EncryptFileActivity.this,

-                           "Error: " + data.getString("error"),

-                           Toast.LENGTH_SHORT).show();

-        } else {

-            Toast.makeText(EncryptFileActivity.this,

-                           "Successfully encrypted.",

-                           Toast.LENGTH_SHORT).show();

-            if (mDeleteAfter.isChecked()) {

-                setDeleteFile(mInputFilename);

-                showDialog(Id.dialog.delete_file);

-            }

-        }

-    }

-}