diff options
Diffstat (limited to 'org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java')
| -rw-r--r-- | org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java | 940 |
1 files changed, 0 insertions, 940 deletions
diff --git a/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java b/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java deleted file mode 100644 index f1de44312..000000000 --- a/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java +++ /dev/null @@ -1,940 +0,0 @@ -/* - * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de> - * 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.ui; - -import org.spongycastle.openpgp.PGPPublicKeyRing; -import org.thialfihar.android.apg.Constants; -import org.thialfihar.android.apg.Id; -import org.thialfihar.android.apg.helper.FileHelper; -import org.thialfihar.android.apg.helper.OtherHelper; -import org.thialfihar.android.apg.helper.PGPHelper; -import org.thialfihar.android.apg.helper.PGPMain; -import org.thialfihar.android.apg.provider.ProviderHelper; -import org.thialfihar.android.apg.service.ApgIntentServiceHandler; -import org.thialfihar.android.apg.service.ApgIntentService; -import org.thialfihar.android.apg.service.PassphraseCacheService; -import org.thialfihar.android.apg.ui.dialog.DeleteFileDialogFragment; -import org.thialfihar.android.apg.ui.dialog.FileDialogFragment; -import org.thialfihar.android.apg.ui.dialog.LookupUnknownKeyDialogFragment; -import org.thialfihar.android.apg.ui.dialog.PassphraseDialogFragment; -import org.thialfihar.android.apg.util.Compatibility; -import org.thialfihar.android.apg.R; - -import com.actionbarsherlock.app.SherlockFragmentActivity; -import com.actionbarsherlock.view.Menu; -import com.actionbarsherlock.view.MenuItem; - -import android.app.ProgressDialog; -import android.content.Intent; -import android.net.Uri; -import android.os.Bundle; -import android.os.Handler; -import android.os.Message; -import android.os.Messenger; -import org.thialfihar.android.apg.util.Log; -import android.view.View; -import android.view.View.OnClickListener; -import android.view.animation.AnimationUtils; -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; -import android.widget.ViewFlipper; - -import java.io.ByteArrayInputStream; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.InputStream; -import java.util.regex.Matcher; - -public class DecryptActivity extends SherlockFragmentActivity { - - // possible intent actions for this activity - public static final String ACTION_DECRYPT = Constants.INTENT_PREFIX + "DECRYPT"; - public static final String ACTION_DECRYPT_FILE = Constants.INTENT_PREFIX + "DECRYPT_FILE"; - public static final String ACTION_DECRYPT_AND_RETURN = Constants.INTENT_PREFIX - + "DECRYPT_AND_RETURN"; - - // possible extra keys - public static final String EXTRA_TEXT = "text"; - public static final String EXTRA_DATA = "data"; - public static final String EXTRA_REPLY_TO = "replyTo"; - public static final String EXTRA_SUBJECT = "subject"; - public static final String EXTRA_BINARY = "binary"; - - private long mSignatureKeyId = 0; - - private boolean mReturnResult = false; - private String mReplyTo = null; - private String mSubject = null; - private boolean mSignedOnly = false; - private boolean mAssumeSymmetricEncryption = false; - - private EditText mMessage = null; - private LinearLayout mSignatureLayout = null; - private ImageView mSignatureStatusImage = null; - private TextView mUserId = null; - private TextView mUserIdRest = null; - - private ViewFlipper mSource = null; - private TextView mSourceLabel = null; - private ImageView mSourcePrevious = null; - private ImageView mSourceNext = null; - - private boolean mDecryptEnabled = true; - private String mDecryptString = ""; - private boolean mReplyEnabled = true; - private String mReplyString = ""; - - private int mDecryptTarget; - - private EditText mFilename = null; - private CheckBox mDeleteAfter = null; - private ImageButton mBrowse = null; - - private String mInputFilename = null; - private String mOutputFilename = null; - - private Uri mContentUri = null; - private byte[] mDataBytes = null; - private boolean mReturnBinary = false; - - private long mUnknownSignatureKeyId = 0; - - private long mSecretKeyId = Id.key.none; - - private FileDialogFragment mFileDialog; - - private boolean mLookupUnknownKey = true; - - @Override - public boolean onCreateOptionsMenu(Menu menu) { - - if (mDecryptEnabled) { - menu.add(1, Id.menu.option.decrypt, 0, mDecryptString).setShowAsAction( - MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT); - } - if (mReplyEnabled) { - menu.add(1, Id.menu.option.reply, 1, mReplyString).setShowAsAction( - MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT); - } - - return true; - } - - @Override - public boolean onOptionsItemSelected(MenuItem item) { - switch (item.getItemId()) { - - case android.R.id.home: - // app icon in Action Bar clicked; go home - Intent intent = new Intent(this, MainActivity.class); - intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); - startActivity(intent); - return true; - - case Id.menu.option.decrypt: { - decryptClicked(); - - return true; - } - case Id.menu.option.reply: { - replyClicked(); - - return true; - } - - default: { - return super.onOptionsItemSelected(item); - } - } - } - - @Override - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - - // check permissions for intent actions without user interaction - String[] restrictedActions = new String[] { ACTION_DECRYPT_AND_RETURN }; - OtherHelper.checkPackagePermissionForActions(this, this.getCallingPackage(), - Constants.PERMISSION_ACCESS_API, getIntent().getAction(), restrictedActions); - - setContentView(R.layout.decrypt); - - // set actionbar without home button if called from another app - OtherHelper.setActionBarBackButton(this); - - 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(DecryptActivity.this, - R.anim.push_right_in)); - mSource.setOutAnimation(AnimationUtils.loadAnimation(DecryptActivity.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(DecryptActivity.this, - R.anim.push_left_in)); - mSource.setOutAnimation(AnimationUtils.loadAnimation(DecryptActivity.this, - R.anim.push_left_out)); - mSource.showNext(); - updateSource(); - } - }; - mSourceNext.setOnClickListener(nextSourceClickListener); - - mSourceLabel.setClickable(true); - mSourceLabel.setOnClickListener(nextSourceClickListener); - - mMessage = (EditText) findViewById(R.id.message); - mSignatureLayout = (LinearLayout) findViewById(R.id.signature); - mSignatureStatusImage = (ImageView) findViewById(R.id.ic_signature_status); - mUserId = (TextView) findViewById(R.id.mainUserId); - mUserIdRest = (TextView) findViewById(R.id.mainUserIdRest); - - // 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) { - FileHelper.openFile(DecryptActivity.this, mFilename.getText().toString(), "*/*", - Id.request.filename); - } - }); - - mDeleteAfter = (CheckBox) findViewById(R.id.deleteAfterDecryption); - - // default: message source - mSource.setInAnimation(null); - mSource.setOutAnimation(null); - while (mSource.getCurrentView().getId() != R.id.sourceMessage) { - mSource.showNext(); - } - - boolean decryptImmediately = false; - - // Get intent, action and MIME type - Intent intent = getIntent(); - String action = intent.getAction(); - String type = intent.getType(); - - if (Intent.ACTION_VIEW.equals(action)) { - // Android's Action when opening file associated to APG (see AndroidManifest.xml) - - // This gets the Uri, where an inputStream can be opened from - mContentUri = intent.getData(); - - // TODO: old implementation of ACTION_VIEW. Is this used in K9? - // Uri uri = mIntent.getData(); - // try { - // InputStream attachment = getContentResolver().openInputStream(uri); - // ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); - // byte bytes[] = new byte[1 << 16]; - // int length; - // while ((length = attachment.read(bytes)) > 0) { - // byteOut.write(bytes, 0, length); - // } - // byteOut.close(); - // String data = new String(byteOut.toByteArray()); - // mMessage.setText(data); - // } catch (FileNotFoundException e) { - // // ignore, then - // } catch (IOException e) { - // // ignore, then - // } - - // same as ACTION_DECRYPT_FILE but decrypt it immediately - handleActionDecryptFile(intent); - decryptImmediately = true; - } else if (Intent.ACTION_SEND.equals(action) && type != null) { - // Android's Action when sending to APG Decrypt - - if ("text/plain".equals(type)) { - // plain text - String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT); - if (sharedText != null) { - intent.putExtra(EXTRA_TEXT, sharedText); - handleActionDecrypt(intent); - decryptImmediately = true; - } - } else { - // binary via content provider (could also be files) - Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM); - if (uri != null) { - mContentUri = uri; - } - } - } else if (ACTION_DECRYPT.equals(action)) { - handleActionDecrypt(intent); - } else if (ACTION_DECRYPT_FILE.equals(action)) { - handleActionDecryptFile(intent); - } else if (ACTION_DECRYPT_AND_RETURN.equals(action)) { - handleActionDecryptAndReturn(intent); - } - - if (mSource.getCurrentView().getId() == R.id.sourceMessage - && mMessage.getText().length() == 0) { - - CharSequence clipboardText = Compatibility.getClipboardText(this); - - String data = ""; - if (clipboardText != null) { - Matcher matcher = PGPMain.PGP_MESSAGE.matcher(clipboardText); - if (!matcher.matches()) { - matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(clipboardText); - } - if (matcher.matches()) { - data = matcher.group(1); - mMessage.setText(data); - Toast.makeText(this, R.string.usingClipboardContent, Toast.LENGTH_SHORT).show(); - } - } - } - - mSignatureLayout.setVisibility(View.GONE); - mSignatureLayout.setOnClickListener(new OnClickListener() { - public void onClick(View v) { - if (mSignatureKeyId == 0) { - return; - } - PGPPublicKeyRing key = ProviderHelper.getPGPPublicKeyRingByKeyId( - DecryptActivity.this, mSignatureKeyId); - if (key != null) { - Intent intent = new Intent(DecryptActivity.this, KeyServerQueryActivity.class); - intent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID); - intent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, mSignatureKeyId); - startActivity(intent); - } - } - }); - - mReplyEnabled = false; - - // build new actionbar - invalidateOptionsMenu(); - - 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); - } - - updateSource(); - - if (decryptImmediately - || (mSource.getCurrentView().getId() == R.id.sourceMessage && (mMessage.getText() - .length() > 0 || mDataBytes != null || mContentUri != null))) { - decryptClicked(); - } - } - - /** - * Handles activity intent with ACTION_DECRYPT - * - * @param intent - */ - private void handleActionDecrypt(Intent intent) { - Log.d(Constants.TAG, "Apg Intent DECRYPT startet"); - - Bundle extras = intent.getExtras(); - if (extras == null) { - Log.d(Constants.TAG, "extra bundle was null"); - extras = new Bundle(); - } else { - Log.d(Constants.TAG, "got extras"); - } - - mDataBytes = extras.getByteArray(EXTRA_DATA); - String textData = null; - if (mDataBytes == null) { - Log.d(Constants.TAG, "EXTRA_DATA was null"); - textData = extras.getString(EXTRA_TEXT); - } else { - Log.d(Constants.TAG, "Got data from EXTRA_DATA"); - } - if (textData != null) { - Log.d(Constants.TAG, "textData null, matching text ..."); - Matcher matcher = PGPMain.PGP_MESSAGE.matcher(textData); - if (matcher.matches()) { - Log.d(Constants.TAG, "PGP_MESSAGE matched"); - textData = matcher.group(1); - // replace non breakable spaces - textData = textData.replaceAll("\\xa0", " "); - mMessage.setText(textData); - } else { - matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(textData); - if (matcher.matches()) { - Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched"); - textData = matcher.group(1); - // replace non breakable spaces - textData = textData.replaceAll("\\xa0", " "); - mMessage.setText(textData); - - mDecryptString = getString(R.string.btn_verify); - // build new action bar - invalidateOptionsMenu(); - } else { - Log.d(Constants.TAG, "Nothing matched!"); - } - } - } - mReplyTo = extras.getString(EXTRA_REPLY_TO); - mSubject = extras.getString(EXTRA_SUBJECT); - } - - /** - * Handles activity intent with ACTION_DECRYPT_FILE - * - * @param intent - */ - private void handleActionDecryptFile(Intent intent) { - mInputFilename = intent.getData().getPath(); - mFilename.setText(mInputFilename); - guessOutputFilename(); - mSource.setInAnimation(null); - mSource.setOutAnimation(null); - while (mSource.getCurrentView().getId() != R.id.sourceFile) { - mSource.showNext(); - } - } - - /** - * Handles activity intent with ACTION_DECRYPT_AND_RETURN - * - * @param intent - */ - private void handleActionDecryptAndReturn(Intent intent) { - Bundle extras = intent.getExtras(); - if (extras == null) { - extras = new Bundle(); - } - - mReturnBinary = extras.getBoolean(EXTRA_BINARY, false); - - if (mContentUri == null) { - mDataBytes = extras.getByteArray(EXTRA_DATA); - String data = extras.getString(EXTRA_TEXT); - if (data != null) { - Matcher matcher = PGPMain.PGP_MESSAGE.matcher(data); - if (matcher.matches()) { - data = matcher.group(1); - // replace non breakable spaces - data = data.replaceAll("\\xa0", " "); - mMessage.setText(data); - } else { - matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(data); - if (matcher.matches()) { - data = matcher.group(1); - // replace non breakable spaces - data = data.replaceAll("\\xa0", " "); - mMessage.setText(data); - mDecryptString = getString(R.string.btn_verify); - - // build new action bar - invalidateOptionsMenu(); - } - } - } - } - mReturnResult = true; - } - - private void guessOutputFilename() { - mInputFilename = mFilename.getText().toString(); - File file = new File(mInputFilename); - String filename = file.getName(); - if (filename.endsWith(".asc") || filename.endsWith(".gpg") || filename.endsWith(".pgp")) { - filename = filename.substring(0, filename.length() - 4); - } - mOutputFilename = Constants.path.APP_DIR + "/" + filename; - } - - private void updateSource() { - switch (mSource.getCurrentView().getId()) { - case R.id.sourceFile: { - mSourceLabel.setText(R.string.label_file); - mDecryptString = getString(R.string.btn_decrypt); - - // build new action bar - invalidateOptionsMenu(); - break; - } - - case R.id.sourceMessage: { - mSourceLabel.setText(R.string.label_message); - mDecryptString = getString(R.string.btn_decrypt); - - // build new action bar - invalidateOptionsMenu(); - break; - } - - default: { - break; - } - } - } - - private void decryptClicked() { - if (mSource.getCurrentView().getId() == R.id.sourceFile) { - mDecryptTarget = Id.target.file; - } else { - mDecryptTarget = Id.target.message; - } - initiateDecryption(); - } - - private void initiateDecryption() { - if (mDecryptTarget == 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("file")) { - 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; - } - } - } - - if (mDecryptTarget == Id.target.message) { - String messageData = mMessage.getText().toString(); - Matcher matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(messageData); - if (matcher.matches()) { - mSignedOnly = true; - decryptStart(); - return; - } - } - - // else treat it as an decrypted message/file - mSignedOnly = false; - - getDecryptionKeyFromInputStream(); - - // if we need a symmetric passphrase or a passphrase to use a secret key ask for it - if (mSecretKeyId == Id.key.symmetric - || PassphraseCacheService.getCachedPassphrase(this, mSecretKeyId) == null) { - showPassphraseDialog(); - } else { - if (mDecryptTarget == Id.target.file) { - askForOutputFilename(); - } else { - decryptStart(); - } - } - } - - /** - * Shows passphrase dialog to cache a new passphrase the user enters for using it later for - * encryption. Based on mSecretKeyId it asks for a passphrase to open a private key or it asks - * for a symmetric passphrase - */ - private void showPassphraseDialog() { - // Message is received after passphrase is cached - Handler returnHandler = new Handler() { - @Override - public void handleMessage(Message message) { - if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) { - if (mDecryptTarget == Id.target.file) { - askForOutputFilename(); - } else { - decryptStart(); - } - } - } - }; - - // Create a new Messenger for the communication back - Messenger messenger = new Messenger(returnHandler); - - try { - PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(this, - messenger, mSecretKeyId); - - passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog"); - } catch (PGPMain.ApgGeneralException e) { - Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!"); - // send message to handler to start encryption directly - returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY); - } - } - - /** - * TODO: Rework function, remove global variables - */ - private void getDecryptionKeyFromInputStream() { - InputStream inStream = null; - if (mContentUri != null) { - try { - inStream = getContentResolver().openInputStream(mContentUri); - } catch (FileNotFoundException e) { - Log.e(Constants.TAG, "File not found!", e); - Toast.makeText(this, getString(R.string.error_fileNotFound, e.getMessage()), - Toast.LENGTH_SHORT).show(); - } - } else if (mDecryptTarget == Id.target.file) { - // check if storage is ready - if (!FileHelper.isStorageMounted(mInputFilename)) { - Toast.makeText(this, getString(R.string.error_externalStorageNotReady), - Toast.LENGTH_SHORT).show(); - return; - } - - try { - inStream = new FileInputStream(mInputFilename); - } catch (FileNotFoundException e) { - Log.e(Constants.TAG, "File not found!", e); - Toast.makeText(this, getString(R.string.error_fileNotFound, e.getMessage()), - Toast.LENGTH_SHORT).show(); - } - } else { - if (mDataBytes != null) { - inStream = new ByteArrayInputStream(mDataBytes); - } else { - inStream = new ByteArrayInputStream(mMessage.getText().toString().getBytes()); - } - } - - // get decryption key for this inStream - try { - try { - mSecretKeyId = PGPMain.getDecryptionKeyId(this, inStream); - if (mSecretKeyId == Id.key.none) { - throw new PGPMain.ApgGeneralException( - getString(R.string.error_noSecretKeyFound)); - } - mAssumeSymmetricEncryption = false; - } catch (PGPMain.NoAsymmetricEncryptionException e) { - mSecretKeyId = Id.key.symmetric; - if (!PGPMain.hasSymmetricEncryption(this, inStream)) { - throw new PGPMain.ApgGeneralException( - getString(R.string.error_noKnownEncryptionFound)); - } - mAssumeSymmetricEncryption = true; - } - } catch (Exception e) { - Toast.makeText(this, getString(R.string.errorMessage, e.getMessage()), - Toast.LENGTH_SHORT).show(); - } - } - - private void replyClicked() { - Intent intent = new Intent(this, EncryptActivity.class); - intent.setAction(EncryptActivity.ACTION_ENCRYPT); - String data = mMessage.getText().toString(); - data = data.replaceAll("(?m)^", "> "); - data = "\n\n" + data; - intent.putExtra(EncryptActivity.EXTRA_TEXT, data); - intent.putExtra(EncryptActivity.EXTRA_SUBJECT, "Re: " + mSubject); - intent.putExtra(EncryptActivity.EXTRA_SEND_TO, mReplyTo); - intent.putExtra(EncryptActivity.EXTRA_SIGNATURE_KEY_ID, mSecretKeyId); - intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, new long[] { mSignatureKeyId }); - startActivity(intent); - } - - private void askForOutputFilename() { - // Message is received after passphrase is cached - Handler returnHandler = new Handler() { - @Override - public void handleMessage(Message message) { - if (message.what == FileDialogFragment.MESSAGE_OKAY) { - Bundle data = message.getData(); - mOutputFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME); - decryptStart(); - } - } - }; - - // Create a new Messenger for the communication back - Messenger messenger = new Messenger(returnHandler); - - mFileDialog = FileDialogFragment.newInstance(messenger, - getString(R.string.title_decryptToFile), - getString(R.string.specifyFileToDecryptTo), mOutputFilename, null, - Id.request.output_filename); - - mFileDialog.show(getSupportFragmentManager(), "fileDialog"); - } - - private void lookupUnknownKey(long unknownKeyId) { - // Message is received after passphrase is cached - Handler returnHandler = new Handler() { - @Override - public void handleMessage(Message message) { - if (message.what == LookupUnknownKeyDialogFragment.MESSAGE_OKAY) { - // the result is handled by onActivityResult() as LookupUnknownKeyDialogFragment - // starts a new Intent which then returns data - } else if (message.what == LookupUnknownKeyDialogFragment.MESSAGE_CANCEL) { - // decrypt again, but don't lookup unknown keys! - mLookupUnknownKey = false; - decryptStart(); - } - } - }; - - // Create a new Messenger for the communication back - Messenger messenger = new Messenger(returnHandler); - - LookupUnknownKeyDialogFragment lookupKeyDialog = LookupUnknownKeyDialogFragment - .newInstance(messenger, unknownKeyId); - - lookupKeyDialog.show(getSupportFragmentManager(), "unknownKeyDialog"); - } - - private void decryptStart() { - Log.d(Constants.TAG, "decryptStart"); - - // Send all information needed to service to decrypt in other thread - Intent intent = new Intent(this, ApgIntentService.class); - - // fill values for this action - Bundle data = new Bundle(); - - intent.putExtra(ApgIntentService.EXTRA_ACTION, ApgIntentService.ACTION_DECRYPT_VERIFY); - - // choose action based on input: decrypt stream, file or bytes - if (mContentUri != null) { - data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_STREAM); - - data.putParcelable(ApgIntentService.PROVIDER_URI, mContentUri); - } else if (mDecryptTarget == Id.target.file) { - data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_FILE); - - Log.d(Constants.TAG, "mInputFilename=" + mInputFilename + ", mOutputFilename=" - + mOutputFilename); - - data.putString(ApgIntentService.INPUT_FILE, mInputFilename); - data.putString(ApgIntentService.OUTPUT_FILE, mOutputFilename); - } else { - data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_BYTES); - - if (mDataBytes != null) { - data.putByteArray(ApgIntentService.CIPHERTEXT_BYTES, mDataBytes); - } else { - String message = mMessage.getText().toString(); - data.putByteArray(ApgIntentService.CIPHERTEXT_BYTES, message.getBytes()); - } - } - - data.putLong(ApgIntentService.SECRET_KEY_ID, mSecretKeyId); - - data.putBoolean(ApgIntentService.SIGNED_ONLY, mSignedOnly); - data.putBoolean(ApgIntentService.LOOKUP_UNKNOWN_KEY, mLookupUnknownKey); - data.putBoolean(ApgIntentService.RETURN_BYTES, mReturnBinary); - data.putBoolean(ApgIntentService.ASSUME_SYMMETRIC, mAssumeSymmetricEncryption); - - intent.putExtra(ApgIntentService.EXTRA_DATA, data); - - // Message is received after encrypting is done in ApgService - ApgIntentServiceHandler saveHandler = new ApgIntentServiceHandler(this, - R.string.progress_decrypting, ProgressDialog.STYLE_HORIZONTAL) { - public void handleMessage(Message message) { - // handle messages by standard ApgHandler first - super.handleMessage(message); - - if (message.arg1 == ApgIntentServiceHandler.MESSAGE_OKAY) { - // get returned data bundle - Bundle returnData = message.getData(); - - // if key is unknown show lookup dialog - if (returnData.getBoolean(ApgIntentService.RESULT_SIGNATURE_LOOKUP_KEY) - && mLookupUnknownKey) { - mUnknownSignatureKeyId = returnData - .getLong(ApgIntentService.RESULT_SIGNATURE_KEY_ID); - lookupUnknownKey(mUnknownSignatureKeyId); - return; - } - - mSignatureKeyId = 0; - mSignatureLayout.setVisibility(View.GONE); - mReplyEnabled = false; - - // build new action bar - invalidateOptionsMenu(); - - Toast.makeText(DecryptActivity.this, R.string.decryptionSuccessful, - Toast.LENGTH_SHORT).show(); - if (mReturnResult) { - Intent intent = new Intent(); - intent.putExtras(returnData); - setResult(RESULT_OK, intent); - finish(); - return; - } - - switch (mDecryptTarget) { - case Id.target.message: - String decryptedMessage = returnData - .getString(ApgIntentService.RESULT_DECRYPTED_STRING); - mMessage.setText(decryptedMessage); - mMessage.setHorizontallyScrolling(false); - mReplyEnabled = false; - - // build new action bar - invalidateOptionsMenu(); - break; - - case Id.target.file: - if (mDeleteAfter.isChecked()) { - // Create and show dialog to delete original file - DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment - .newInstance(mInputFilename); - deleteFileDialog.show(getSupportFragmentManager(), "deleteDialog"); - } - break; - - default: - // shouldn't happen - break; - - } - - if (returnData.getBoolean(ApgIntentService.RESULT_SIGNATURE)) { - String userId = returnData - .getString(ApgIntentService.RESULT_SIGNATURE_USER_ID); - mSignatureKeyId = returnData - .getLong(ApgIntentService.RESULT_SIGNATURE_KEY_ID); - mUserIdRest - .setText("id: " + PGPHelper.getSmallFingerPrint(mSignatureKeyId)); - if (userId == null) { - userId = getResources().getString(R.string.unknownUserId); - } - String chunks[] = userId.split(" <", 2); - userId = chunks[0]; - if (chunks.length > 1) { - mUserIdRest.setText("<" + chunks[1]); - } - mUserId.setText(userId); - - if (returnData.getBoolean(ApgIntentService.RESULT_SIGNATURE_SUCCESS)) { - mSignatureStatusImage.setImageResource(R.drawable.overlay_ok); - } else if (returnData.getBoolean(ApgIntentService.RESULT_SIGNATURE_UNKNOWN)) { - mSignatureStatusImage.setImageResource(R.drawable.overlay_error); - Toast.makeText(DecryptActivity.this, - R.string.unknownSignatureKeyTouchToLookUp, Toast.LENGTH_LONG) - .show(); - } else { - mSignatureStatusImage.setImageResource(R.drawable.overlay_error); - } - mSignatureLayout.setVisibility(View.VISIBLE); - } - } - }; - }; - - // Create a new Messenger for the communication back - Messenger messenger = new Messenger(saveHandler); - intent.putExtra(ApgIntentService.EXTRA_MESSENGER, messenger); - - // show progress dialog - saveHandler.showProgressDialog(this); - - // start service with intent - startService(intent); - } - - @Override - protected void onActivityResult(int requestCode, int resultCode, Intent data) { - switch (requestCode) { - case Id.request.filename: { - if (resultCode == RESULT_OK && data != null) { - try { - String path = FileHelper.getPath(this, data.getData()); - Log.d(Constants.TAG, "path=" + path); - - mFilename.setText(path); - } catch (NullPointerException e) { - Log.e(Constants.TAG, "Nullpointer while retrieving path!"); - } - } - return; - } - - case Id.request.output_filename: { - if (resultCode == RESULT_OK && data != null) { - try { - String path = data.getData().getPath(); - Log.d(Constants.TAG, "path=" + path); - - mFileDialog.setFilename(path); - } catch (NullPointerException e) { - Log.e(Constants.TAG, "Nullpointer while retrieving path!"); - } - } - return; - } - - // this request is returned after LookupUnknownKeyDialogFragment started - // KeyServerQueryActivity and user looked uo key - case Id.request.look_up_key_id: { - Log.d(Constants.TAG, "Returning from Lookup Key..."); - // decrypt again without lookup - mLookupUnknownKey = false; - decryptStart(); - return; - } - - default: { - break; - } - } - - super.onActivityResult(requestCode, resultCode, data); - } - -} |