diff options
Diffstat (limited to 'src/org/apg/ui/EncryptActivity.java')
| -rw-r--r-- | src/org/apg/ui/EncryptActivity.java | 998 |
1 files changed, 998 insertions, 0 deletions
diff --git a/src/org/apg/ui/EncryptActivity.java b/src/org/apg/ui/EncryptActivity.java new file mode 100644 index 000000000..603d1a04d --- /dev/null +++ b/src/org/apg/ui/EncryptActivity.java @@ -0,0 +1,998 @@ +/* + * 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.apg.ui; + +import org.apg.Apg; +import org.apg.Constants; +import org.apg.DataDestination; +import org.apg.DataSource; +import org.apg.FileDialog; +import org.apg.Id; +import org.apg.InputData; +import org.apg.provider.DataProvider; +import org.apg.util.Choice; +import org.apg.util.Compatibility; +import org.spongycastle.openpgp.PGPException; +import org.spongycastle.openpgp.PGPPublicKey; +import org.spongycastle.openpgp.PGPPublicKeyRing; +import org.spongycastle.openpgp.PGPSecretKey; +import org.spongycastle.openpgp.PGPSecretKeyRing; +import org.apg.R; + +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.view.animation.AnimationUtils; +import android.widget.ArrayAdapter; +import android.widget.Button; +import android.widget.CheckBox; +import android.widget.EditText; +import android.widget.ImageButton; +import android.widget.ImageView; +import android.widget.Spinner; +import android.widget.TextView; +import android.widget.Toast; +import android.widget.ViewFlipper; + +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.security.NoSuchAlgorithmException; +import java.security.NoSuchProviderException; +import java.security.SignatureException; +import java.util.Vector; + +public class EncryptActivity extends BaseActivity { + private Intent mIntent = null; + private String mSubject = null; + private String mSendTo = null; + + private long mEncryptionKeyIds[] = null; + + private boolean mReturnResult = false; + private EditText mMessage = null; + private Button mSelectKeysButton = null; + private Button mEncryptButton = null; + private Button mEncryptToClipboardButton = null; + private CheckBox mSign = null; + private TextView mMainUserId = null; + private TextView mMainUserIdRest = null; + + private ViewFlipper mSource = null; + private TextView mSourceLabel = null; + private ImageView mSourcePrevious = null; + private ImageView mSourceNext = null; + + private ViewFlipper mMode = null; + private TextView mModeLabel = null; + private ImageView mModePrevious = null; + private ImageView mModeNext = null; + + private int mEncryptTarget; + + private EditText mPassPhrase = null; + private EditText mPassPhraseAgain = null; + private CheckBox mAsciiArmour = null; + private Spinner mFileCompression = null; + + private EditText mFilename = null; + private CheckBox mDeleteAfter = null; + private ImageButton mBrowse = null; + + private String mInputFilename = null; + private String mOutputFilename = null; + + private boolean mAsciiArmourDemand = false; + private boolean mOverrideAsciiArmour = false; + private Uri mContentUri = null; + private byte[] mData = null; + + private DataSource mDataSource = null; + private DataDestination mDataDestination = null; + + private boolean mGenerateSignature = false; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.encrypt); + + mGenerateSignature = false; + + mSource = (ViewFlipper) findViewById(R.id.source); + mSourceLabel = (TextView) findViewById(R.id.sourceLabel); + mSourcePrevious = (ImageView) findViewById(R.id.sourcePrevious); + mSourceNext = (ImageView) findViewById(R.id.sourceNext); + + mSourcePrevious.setClickable(true); + mSourcePrevious.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mSource.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_right_in)); + mSource.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_right_out)); + mSource.showPrevious(); + updateSource(); + } + }); + + mSourceNext.setClickable(true); + OnClickListener nextSourceClickListener = new OnClickListener() { + public void onClick(View v) { + mSource.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_left_in)); + mSource.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_left_out)); + mSource.showNext(); + updateSource(); + } + }; + mSourceNext.setOnClickListener(nextSourceClickListener); + + mSourceLabel.setClickable(true); + mSourceLabel.setOnClickListener(nextSourceClickListener); + + mMode = (ViewFlipper) findViewById(R.id.mode); + mModeLabel = (TextView) findViewById(R.id.modeLabel); + mModePrevious = (ImageView) findViewById(R.id.modePrevious); + mModeNext = (ImageView) findViewById(R.id.modeNext); + + mModePrevious.setClickable(true); + mModePrevious.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mMode.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_right_in)); + mMode.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_right_out)); + mMode.showPrevious(); + updateMode(); + } + }); + + OnClickListener nextModeClickListener = new OnClickListener() { + public void onClick(View v) { + mMode.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_left_in)); + mMode.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this, + R.anim.push_left_out)); + mMode.showNext(); + updateMode(); + } + }; + mModeNext.setOnClickListener(nextModeClickListener); + + mModeLabel.setClickable(true); + mModeLabel.setOnClickListener(nextModeClickListener); + + mMessage = (EditText) findViewById(R.id.message); + mSelectKeysButton = (Button) findViewById(R.id.btn_selectEncryptKeys); + mEncryptButton = (Button) findViewById(R.id.btn_encrypt); + mEncryptToClipboardButton = (Button) findViewById(R.id.btn_encryptToClipboard); + mSign = (CheckBox) findViewById(R.id.sign); + mMainUserId = (TextView) findViewById(R.id.mainUserId); + mMainUserIdRest = (TextView) findViewById(R.id.mainUserIdRest); + + mPassPhrase = (EditText) findViewById(R.id.passPhrase); + mPassPhraseAgain = (EditText) findViewById(R.id.passPhraseAgain); + + // measure the height of the source_file view and set the message view's min height to that, + // so it fills mSource fully... bit of a hack. + View tmp = findViewById(R.id.sourceFile); + tmp.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED); + int height = tmp.getMeasuredHeight(); + mMessage.setMinimumHeight(height); + + mFilename = (EditText) findViewById(R.id.filename); + mBrowse = (ImageButton) findViewById(R.id.btn_browse); + mBrowse.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + openFile(); + } + }); + + mFileCompression = (Spinner) findViewById(R.id.fileCompression); + Choice[] choices = new Choice[] { + new Choice(Id.choice.compression.none, getString(R.string.choice_none) + " (" + + getString(R.string.fast) + ")"), + new Choice(Id.choice.compression.zip, "ZIP (" + getString(R.string.fast) + ")"), + new Choice(Id.choice.compression.zlib, "ZLIB (" + getString(R.string.fast) + ")"), + new Choice(Id.choice.compression.bzip2, "BZIP2 (" + getString(R.string.very_slow) + + ")"), }; + ArrayAdapter<Choice> adapter = new ArrayAdapter<Choice>(this, + android.R.layout.simple_spinner_item, choices); + adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); + mFileCompression.setAdapter(adapter); + + int defaultFileCompression = mPreferences.getDefaultFileCompression(); + for (int i = 0; i < choices.length; ++i) { + if (choices[i].getId() == defaultFileCompression) { + mFileCompression.setSelection(i); + break; + } + } + + mDeleteAfter = (CheckBox) findViewById(R.id.deleteAfterEncryption); + + mAsciiArmour = (CheckBox) findViewById(R.id.asciiArmour); + mAsciiArmour.setChecked(mPreferences.getDefaultAsciiArmour()); + mAsciiArmour.setOnClickListener(new OnClickListener() { + public void onClick(View view) { + guessOutputFilename(); + } + }); + + mEncryptToClipboardButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + encryptToClipboardClicked(); + } + }); + + mEncryptButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + encryptClicked(); + } + }); + + mSelectKeysButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + selectPublicKeys(); + } + }); + + mSign.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + CheckBox checkBox = (CheckBox) v; + if (checkBox.isChecked()) { + selectSecretKey(); + } else { + setSecretKeyId(Id.key.none); + updateView(); + } + } + }); + + mIntent = getIntent(); + if (Apg.Intent.ENCRYPT.equals(mIntent.getAction()) + || Apg.Intent.ENCRYPT_FILE.equals(mIntent.getAction()) + || Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) + || Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) { + mContentUri = mIntent.getData(); + Bundle extras = mIntent.getExtras(); + if (extras == null) { + extras = new Bundle(); + } + + if (Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) + || Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) { + mReturnResult = true; + } + + if (Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) { + mGenerateSignature = true; + mOverrideAsciiArmour = true; + mAsciiArmourDemand = false; + } + + if (extras.containsKey(Apg.EXTRA_ASCII_ARMOUR)) { + mAsciiArmourDemand = extras.getBoolean(Apg.EXTRA_ASCII_ARMOUR, true); + mOverrideAsciiArmour = true; + mAsciiArmour.setChecked(mAsciiArmourDemand); + } + + mData = extras.getByteArray(Apg.EXTRA_DATA); + String textData = null; + if (mData == null) { + textData = extras.getString(Apg.EXTRA_TEXT); + } + mSendTo = extras.getString(Apg.EXTRA_SEND_TO); + mSubject = extras.getString(Apg.EXTRA_SUBJECT); + long signatureKeyId = extras.getLong(Apg.EXTRA_SIGNATURE_KEY_ID); + long encryptionKeyIds[] = extras.getLongArray(Apg.EXTRA_ENCRYPTION_KEY_IDS); + if (signatureKeyId != 0) { + PGPSecretKeyRing keyRing = Apg.getSecretKeyRing(signatureKeyId); + PGPSecretKey masterKey = null; + if (keyRing != null) { + masterKey = Apg.getMasterKey(keyRing); + if (masterKey != null) { + Vector<PGPSecretKey> signKeys = Apg.getUsableSigningKeys(keyRing); + if (signKeys.size() > 0) { + setSecretKeyId(masterKey.getKeyID()); + } + } + } + } + + if (encryptionKeyIds != null) { + Vector<Long> goodIds = new Vector<Long>(); + for (int i = 0; i < encryptionKeyIds.length; ++i) { + PGPPublicKeyRing keyRing = Apg.getPublicKeyRing(encryptionKeyIds[i]); + PGPPublicKey masterKey = null; + if (keyRing == null) { + continue; + } + masterKey = Apg.getMasterKey(keyRing); + if (masterKey == null) { + continue; + } + Vector<PGPPublicKey> encryptKeys = Apg.getUsableEncryptKeys(keyRing); + if (encryptKeys.size() == 0) { + continue; + } + goodIds.add(masterKey.getKeyID()); + } + if (goodIds.size() > 0) { + mEncryptionKeyIds = new long[goodIds.size()]; + for (int i = 0; i < goodIds.size(); ++i) { + mEncryptionKeyIds[i] = goodIds.get(i); + } + } + } + + if (Apg.Intent.ENCRYPT.equals(mIntent.getAction()) + || Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) + || Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) { + if (textData != null) { + mMessage.setText(textData); + } + mSource.setInAnimation(null); + mSource.setOutAnimation(null); + while (mSource.getCurrentView().getId() != R.id.sourceMessage) { + mSource.showNext(); + } + } else if (Apg.Intent.ENCRYPT_FILE.equals(mIntent.getAction())) { + if ("file".equals(mIntent.getScheme())) { + mInputFilename = Uri.decode(mIntent.getDataString().replace("file://", "")); + mFilename.setText(mInputFilename); + guessOutputFilename(); + } + mSource.setInAnimation(null); + mSource.setOutAnimation(null); + while (mSource.getCurrentView().getId() != R.id.sourceFile) { + mSource.showNext(); + } + } + } + + updateView(); + updateSource(); + updateMode(); + + if (mReturnResult) { + mSourcePrevious.setClickable(false); + mSourcePrevious.setEnabled(false); + mSourcePrevious.setVisibility(View.INVISIBLE); + + mSourceNext.setClickable(false); + mSourceNext.setEnabled(false); + mSourceNext.setVisibility(View.INVISIBLE); + + mSourceLabel.setClickable(false); + mSourceLabel.setEnabled(false); + } + + updateButtons(); + + if (mReturnResult + && (mMessage.getText().length() > 0 || mData != null || mContentUri != null) + && ((mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0) || getSecretKeyId() != 0)) { + encryptClicked(); + } + } + + private void openFile() { + String filename = mFilename.getText().toString(); + + Intent intent = new Intent(Intent.ACTION_GET_CONTENT); + intent.addCategory(Intent.CATEGORY_OPENABLE); + + intent.setData(Uri.parse("file://" + filename)); + intent.setType("*/*"); + + try { + startActivityForResult(intent, Id.request.filename); + } catch (ActivityNotFoundException e) { + // No compatible file manager was found. + Toast.makeText(this, R.string.noFilemanagerInstalled, Toast.LENGTH_SHORT).show(); + } + } + + 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 updateSource() { + switch (mSource.getCurrentView().getId()) { + case R.id.sourceFile: { + mSourceLabel.setText(R.string.label_file); + break; + } + + case R.id.sourceMessage: { + mSourceLabel.setText(R.string.label_message); + break; + } + + default: { + break; + } + } + updateButtons(); + } + + private void updateButtons() { + switch (mSource.getCurrentView().getId()) { + case R.id.sourceFile: { + mEncryptToClipboardButton.setVisibility(View.INVISIBLE); + mEncryptButton.setText(R.string.btn_encrypt); + break; + } + + case R.id.sourceMessage: { + mSourceLabel.setText(R.string.label_message); + if (mReturnResult) { + mEncryptToClipboardButton.setVisibility(View.INVISIBLE); + } else { + mEncryptToClipboardButton.setVisibility(View.VISIBLE); + } + if (mMode.getCurrentView().getId() == R.id.modeSymmetric) { + if (mReturnResult) { + mEncryptButton.setText(R.string.btn_encrypt); + } else { + mEncryptButton.setText(R.string.btn_encryptAndEmail); + } + mEncryptButton.setEnabled(true); + mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard); + mEncryptToClipboardButton.setEnabled(true); + } else { + if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) { + if (getSecretKeyId() == 0) { + if (mReturnResult) { + mEncryptButton.setText(R.string.btn_encrypt); + } else { + mEncryptButton.setText(R.string.btn_encryptAndEmail); + } + mEncryptButton.setEnabled(false); + mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard); + mEncryptToClipboardButton.setEnabled(false); + } else { + if (mReturnResult) { + mEncryptButton.setText(R.string.btn_sign); + } else { + mEncryptButton.setText(R.string.btn_signAndEmail); + } + mEncryptButton.setEnabled(true); + mEncryptToClipboardButton.setText(R.string.btn_signToClipboard); + mEncryptToClipboardButton.setEnabled(true); + } + } else { + if (mReturnResult) { + mEncryptButton.setText(R.string.btn_encrypt); + } else { + mEncryptButton.setText(R.string.btn_encryptAndEmail); + } + mEncryptButton.setEnabled(true); + mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard); + mEncryptToClipboardButton.setEnabled(true); + } + } + break; + } + + default: { + break; + } + } + } + + private void updateMode() { + switch (mMode.getCurrentView().getId()) { + case R.id.modeAsymmetric: { + mModeLabel.setText(R.string.label_asymmetric); + break; + } + + case R.id.modeSymmetric: { + mModeLabel.setText(R.string.label_symmetric); + break; + } + + default: { + break; + } + } + updateButtons(); + } + + private void encryptToClipboardClicked() { + mEncryptTarget = Id.target.clipboard; + initiateEncryption(); + } + + private void encryptClicked() { + if (mSource.getCurrentView().getId() == R.id.sourceFile) { + mEncryptTarget = Id.target.file; + } else { + mEncryptTarget = Id.target.email; + } + initiateEncryption(); + } + + private void initiateEncryption() { + if (mEncryptTarget == Id.target.file) { + String currentFilename = mFilename.getText().toString(); + if (mInputFilename == null || !mInputFilename.equals(currentFilename)) { + guessOutputFilename(); + } + + if (mInputFilename.equals("")) { + Toast.makeText(this, R.string.noFileSelected, Toast.LENGTH_SHORT).show(); + return; + } + + if (!mInputFilename.startsWith("content")) { + File file = new File(mInputFilename); + if (!file.exists() || !file.isFile()) { + Toast.makeText( + this, + getString(R.string.errorMessage, getString(R.string.error_fileNotFound)), + Toast.LENGTH_SHORT).show(); + return; + } + } + } + + // symmetric encryption + if (mMode.getCurrentView().getId() == R.id.modeSymmetric) { + boolean gotPassPhrase = false; + String passPhrase = mPassPhrase.getText().toString(); + String passPhraseAgain = mPassPhraseAgain.getText().toString(); + if (!passPhrase.equals(passPhraseAgain)) { + Toast.makeText(this, R.string.passPhrasesDoNotMatch, Toast.LENGTH_SHORT).show(); + return; + } + + gotPassPhrase = (passPhrase.length() != 0); + if (!gotPassPhrase) { + Toast.makeText(this, R.string.passPhraseMustNotBeEmpty, Toast.LENGTH_SHORT).show(); + return; + } + } else { + boolean encryptIt = (mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0); + // for now require at least one form of encryption for files + if (!encryptIt && mEncryptTarget == Id.target.file) { + Toast.makeText(this, R.string.selectEncryptionKey, Toast.LENGTH_SHORT).show(); + return; + } + + if (!encryptIt && getSecretKeyId() == 0) { + Toast.makeText(this, R.string.selectEncryptionOrSignatureKey, Toast.LENGTH_SHORT) + .show(); + return; + } + + if (getSecretKeyId() != 0 && Apg.getCachedPassPhrase(getSecretKeyId()) == null) { + showDialog(Id.dialog.pass_phrase); + return; + } + } + + if (mEncryptTarget == Id.target.file) { + askForOutputFilename(); + } else { + encryptStart(); + } + } + + private void askForOutputFilename() { + showDialog(Id.dialog.output_filename); + } + + @Override + public void passPhraseCallback(long keyId, String passPhrase) { + super.passPhraseCallback(keyId, passPhrase); + if (mEncryptTarget == Id.target.file) { + askForOutputFilename(); + } else { + encryptStart(); + } + } + + private void encryptStart() { + showDialog(Id.dialog.encrypting); + startThread(); + } + + @Override + public void run() { + String error = null; + Bundle data = new Bundle(); + Message msg = new Message(); + + try { + InputData in; + OutputStream out; + boolean useAsciiArmour = true; + long encryptionKeyIds[] = null; + long signatureKeyId = 0; + int compressionId = 0; + boolean signOnly = false; + + String passPhrase = null; + if (mMode.getCurrentView().getId() == R.id.modeSymmetric) { + passPhrase = mPassPhrase.getText().toString(); + if (passPhrase.length() == 0) { + passPhrase = null; + } + } else { + encryptionKeyIds = mEncryptionKeyIds; + signatureKeyId = getSecretKeyId(); + signOnly = (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0); + } + + fillDataSource(signOnly && !mReturnResult); + fillDataDestination(); + + // streams + in = mDataSource.getInputData(this, true); + out = mDataDestination.getOutputStream(this); + + if (mEncryptTarget == Id.target.file) { + useAsciiArmour = mAsciiArmour.isChecked(); + compressionId = ((Choice) mFileCompression.getSelectedItem()).getId(); + } else { + useAsciiArmour = true; + compressionId = mPreferences.getDefaultMessageCompression(); + } + + if (mOverrideAsciiArmour) { + useAsciiArmour = mAsciiArmourDemand; + } + + if (mGenerateSignature) { + Apg.generateSignature(this, in, out, useAsciiArmour, mDataSource.isBinary(), + getSecretKeyId(), Apg.getCachedPassPhrase(getSecretKeyId()), + mPreferences.getDefaultHashAlgorithm(), + mPreferences.getForceV3Signatures(), this); + } else if (signOnly) { + Apg.signText(this, in, out, getSecretKeyId(), + Apg.getCachedPassPhrase(getSecretKeyId()), + mPreferences.getDefaultHashAlgorithm(), + mPreferences.getForceV3Signatures(), this); + } else { + Apg.encrypt(this, in, out, useAsciiArmour, encryptionKeyIds, signatureKeyId, + Apg.getCachedPassPhrase(signatureKeyId), this, + mPreferences.getDefaultEncryptionAlgorithm(), + mPreferences.getDefaultHashAlgorithm(), compressionId, + mPreferences.getForceV3Signatures(), passPhrase); + } + + out.close(); + if (mEncryptTarget != Id.target.file) { + + if (out instanceof ByteArrayOutputStream) { + if (useAsciiArmour) { + String extraData = new String(((ByteArrayOutputStream) out).toByteArray()); + if (mGenerateSignature) { + data.putString(Apg.EXTRA_SIGNATURE_TEXT, extraData); + } else { + data.putString(Apg.EXTRA_ENCRYPTED_MESSAGE, extraData); + } + } else { + byte extraData[] = ((ByteArrayOutputStream) out).toByteArray(); + if (mGenerateSignature) { + data.putByteArray(Apg.EXTRA_SIGNATURE_DATA, extraData); + } else { + data.putByteArray(Apg.EXTRA_ENCRYPTED_DATA, extraData); + } + } + } else if (out instanceof FileOutputStream) { + String fileName = mDataDestination.getStreamFilename(); + String uri = "content://" + DataProvider.AUTHORITY + "/data/" + fileName; + data.putString(Apg.EXTRA_RESULT_URI, uri); + } else { + throw new Apg.GeneralException("No output-data found."); + } + } + } catch (IOException e) { + error = "" + e; + } catch (PGPException e) { + error = "" + e; + } catch (NoSuchProviderException e) { + error = "" + e; + } catch (NoSuchAlgorithmException e) { + error = "" + e; + } catch (SignatureException e) { + error = "" + e; + } catch (Apg.GeneralException e) { + error = "" + e; + } + + data.putInt(Constants.extras.status, Id.message.done); + + if (error != null) { + data.putString(Apg.EXTRA_ERROR, error); + } + + msg.setData(data); + sendMessage(msg); + } + + private void updateView() { + if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) { + mSelectKeysButton.setText(R.string.noKeysSelected); + } else if (mEncryptionKeyIds.length == 1) { + mSelectKeysButton.setText(R.string.oneKeySelected); + } else { + mSelectKeysButton.setText("" + mEncryptionKeyIds.length + " " + + getResources().getString(R.string.nKeysSelected)); + } + + if (getSecretKeyId() == 0) { + mSign.setChecked(false); + mMainUserId.setText(""); + mMainUserIdRest.setText(""); + } else { + String uid = getResources().getString(R.string.unknownUserId); + 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); + } + + updateButtons(); + } + + private void selectPublicKeys() { + Intent intent = new Intent(this, SelectPublicKeyListActivity.class); + Vector<Long> keyIds = new Vector<Long>(); + if (getSecretKeyId() != 0) { + keyIds.add(getSecretKeyId()); + } + if (mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0) { + for (int i = 0; i < mEncryptionKeyIds.length; ++i) { + keyIds.add(mEncryptionKeyIds[i]); + } + } + long[] initialKeyIds = null; + if (keyIds.size() > 0) { + initialKeyIds = new long[keyIds.size()]; + for (int i = 0; i < keyIds.size(); ++i) { + initialKeyIds[i] = keyIds.get(i); + } + } + intent.putExtra(Apg.EXTRA_SELECTION, initialKeyIds); + startActivityForResult(intent, Id.request.public_keys); + } + + private void selectSecretKey() { + Intent intent = new Intent(this, SelectSecretKeyListActivity.class); + startActivityForResult(intent, Id.request.secret_keys); + } + + @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(Apg.EXTRA_SELECTION); + } + updateView(); + break; + } + + default: { + break; + } + } + + super.onActivityResult(requestCode, resultCode, data); + } + + @Override + public void doneCallback(Message msg) { + super.doneCallback(msg); + + removeDialog(Id.dialog.encrypting); + + Bundle data = msg.getData(); + String error = data.getString(Apg.EXTRA_ERROR); + if (error != null) { + Toast.makeText(this, getString(R.string.errorMessage, error), Toast.LENGTH_SHORT) + .show(); + return; + } + switch (mEncryptTarget) { + case Id.target.clipboard: { + String message = data.getString(Apg.EXTRA_ENCRYPTED_MESSAGE); + Compatibility.copyToClipboard(this, message); + Toast.makeText(this, R.string.encryptionToClipboardSuccessful, Toast.LENGTH_SHORT) + .show(); + break; + } + + case Id.target.email: { + if (mReturnResult) { + Intent intent = new Intent(); + intent.putExtras(data); + setResult(RESULT_OK, intent); + finish(); + return; + } + + String message = data.getString(Apg.EXTRA_ENCRYPTED_MESSAGE); + Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); + emailIntent.setType("text/plain; charset=utf-8"); + emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, message); + if (mSubject != null) { + emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, mSubject); + } + if (mSendTo != null) { + emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[] { mSendTo }); + } + EncryptActivity.this.startActivity(Intent.createChooser(emailIntent, + getString(R.string.title_sendEmail))); + break; + } + + case Id.target.file: { + Toast.makeText(this, R.string.encryptionSuccessful, Toast.LENGTH_SHORT).show(); + if (mDeleteAfter.isChecked()) { + setDeleteFile(mInputFilename); + showDialog(Id.dialog.delete_file); + } + break; + } + + default: { + // shouldn't happen + break; + } + } + } + + @Override + protected Dialog onCreateDialog(int id) { + switch (id) { + case Id.dialog.output_filename: { + return FileDialog.build(this, getString(R.string.title_encryptToFile), + getString(R.string.specifyFileToEncryptTo), mOutputFilename, + new FileDialog.OnClickListener() { + public void onOkClick(String filename, boolean checked) { + removeDialog(Id.dialog.output_filename); + mOutputFilename = filename; + encryptStart(); + } + + public void onCancelClick() { + removeDialog(Id.dialog.output_filename); + } + }, getString(R.string.filemanager_titleSave), + getString(R.string.filemanager_btnSave), null, Id.request.output_filename); + } + + default: { + break; + } + } + + return super.onCreateDialog(id); + } + + protected void fillDataSource(boolean fixContent) { + mDataSource = new DataSource(); + if (mContentUri != null) { + mDataSource.setUri(mContentUri); + } else if (mEncryptTarget == Id.target.file) { + mDataSource.setUri(mInputFilename); + } else { + if (mData != null) { + mDataSource.setData(mData); + } else { + String message = mMessage.getText().toString(); + if (fixContent) { + // fix the message a bit, trailing spaces and newlines break stuff, + // because GMail sends as HTML and such things fuck up the + // signature, + // TODO: things like "<" and ">" also fuck up the signature + message = message.replaceAll(" +\n", "\n"); + message = message.replaceAll("\n\n+", "\n\n"); + message = message.replaceFirst("^\n+", ""); + // make sure there'll be exactly one newline at the end + message = message.replaceFirst("\n*$", "\n"); + } + mDataSource.setText(message); + } + } + } + + protected void fillDataDestination() { + mDataDestination = new DataDestination(); + if (mContentUri != null) { + mDataDestination.setMode(Id.mode.stream); + } else if (mEncryptTarget == Id.target.file) { + mDataDestination.setFilename(mOutputFilename); + mDataDestination.setMode(Id.mode.file); + } else { + mDataDestination.setMode(Id.mode.byte_array); + } + } +} |