/**
* If an Intent gives a signatureMasterKeyId and/or encryptionMasterKeyIds, preselect those!
*
* @param preselectedSignatureKeyId
* @param preselectedEncryptionKeyIds
*/
private void preselectKeys(
long preselectedSignatureKeyId,
long[] preselectedEncryptionKeyIds,
ProviderHelper providerHelper) {
if (preselectedSignatureKeyId != 0) {
// TODO: don't use bouncy castle objects!
try {
PGPSecretKeyRing keyRing =
providerHelper.getPGPSecretKeyRingWithKeyId(preselectedSignatureKeyId);
PGPSecretKey masterKey = keyRing.getSecretKey();
if (masterKey != null) {
PGPSecretKey signKey = PgpKeyHelper.getFirstSigningSubkey(keyRing);
if (signKey != null) {
setSignatureKeyId(masterKey.getKeyID());
}
}
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
if (preselectedEncryptionKeyIds != null) {
Vector<Long> goodIds = new Vector<Long>();
for (int i = 0; i < preselectedEncryptionKeyIds.length; ++i) {
// TODO One query per selected key?! wtf
try {
long id =
providerHelper.getMasterKeyId(
KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(
Long.toString(preselectedEncryptionKeyIds[i])));
goodIds.add(id);
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
if (goodIds.size() > 0) {
long[] keyIds = new long[goodIds.size()];
for (int i = 0; i < goodIds.size(); ++i) {
keyIds[i] = goodIds.get(i);
}
setEncryptionKeyIds(keyIds);
}
}
}
@SuppressWarnings("unchecked")
public static Vector<PGPSecretKey> getCertificationKeys(PGPSecretKeyRing keyRing) {
Vector<PGPSecretKey> signingKeys = new Vector<PGPSecretKey>();
for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
if (isCertificationKey(key)) {
signingKeys.add(key);
}
}
return signingKeys;
}
@SuppressWarnings("unchecked")
public static PGPSecretKey getMasterKey(PGPSecretKeyRing keyRing) {
if (keyRing == null) {
return null;
}
for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
if (key.isMasterKey()) {
return key;
}
}
return null;
}
@SuppressWarnings("unchecked")
public static PGPSecretKey getKeyNum(PGPSecretKeyRing keyRing, long num) {
long cnt = 0;
if (keyRing == null) {
return null;
}
for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
if (cnt == num) {
return key;
}
cnt++;
}
return null;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.edit_key);
mActionBar = getSupportActionBar();
mActionBar.setDisplayShowTitleEnabled(true);
// set actionbar without home button if called from another app
if (getCallingPackage() != null && getCallingPackage().equals(Constants.PACKAGE_NAME)) {
mActionBar.setDisplayHomeAsUpEnabled(true);
mActionBar.setHomeButtonEnabled(true);
} else {
mActionBar.setDisplayHomeAsUpEnabled(false);
mActionBar.setHomeButtonEnabled(false);
}
// find views
mChangePassPhrase = (Button) findViewById(R.id.edit_key_btn_change_pass_phrase);
mNoPassphrase = (CheckBox) findViewById(R.id.edit_key_no_passphrase);
mUserIds = new Vector<String>();
mKeys = new Vector<PGPSecretKey>();
mKeysUsages = new Vector<Integer>();
// Catch Intents opened from other apps
mIntent = getIntent();
// Handle intents
Bundle extras = mIntent.getExtras();
if (ACTION_CREATE_KEY.equals(mIntent.getAction())) {
mActionBar.setTitle(R.string.title_createKey);
mCurrentPassPhrase = "";
if (extras != null) {
// if userId is given, prefill the fields
if (extras.containsKey(EXTRA_USER_IDS)) {
Log.d(Constants.TAG, "UserIds are given!");
mUserIds.add(extras.getString(EXTRA_USER_IDS));
}
// if no passphrase is given
if (extras.containsKey(EXTRA_NO_PASSPHRASE)) {
boolean noPassphrase = extras.getBoolean(EXTRA_NO_PASSPHRASE);
if (noPassphrase) {
// check "no passphrase" checkbox and remove button
mNoPassphrase.setChecked(true);
mChangePassPhrase.setVisibility(View.GONE);
}
}
// generate key
if (extras.containsKey(EXTRA_GENERATE_DEFAULT_KEYS)) {
boolean generateDefaultKeys = extras.getBoolean(EXTRA_GENERATE_DEFAULT_KEYS);
if (generateDefaultKeys) {
// build layout in handler after generating keys not directly in onCreate
mBuildLayout = false;
// Send all information needed to service generate keys in other thread
Intent intent = new Intent(this, ApgService.class);
intent.putExtra(ApgService.EXTRA_ACTION, ApgService.ACTION_GENERATE_DEFAULT_RSA_KEYS);
// fill values for this action
Bundle data = new Bundle();
data.putString(ApgService.SYMMETRIC_PASSPHRASE, mCurrentPassPhrase);
intent.putExtra(ApgService.EXTRA_DATA, data);
// show progress dialog
mGeneratingDialog =
ProgressDialogFragment.newInstance(
R.string.progress_generating, ProgressDialog.STYLE_SPINNER);
// Message is received after generating is done in ApgService
ApgHandler saveHandler =
new ApgHandler(this, mGeneratingDialog) {
public void handleMessage(Message message) {
// handle messages by standard ApgHandler first
super.handleMessage(message);
if (message.arg1 == ApgHandler.MESSAGE_OKAY) {
// get new key from data bundle returned from service
Bundle data = message.getData();
PGPSecretKeyRing masterKeyRing =
PGPConversionHelper.BytesToPGPSecretKeyRing(
data.getByteArray(ApgService.RESULT_NEW_KEY));
PGPSecretKeyRing subKeyRing =
PGPConversionHelper.BytesToPGPSecretKeyRing(
data.getByteArray(ApgService.RESULT_NEW_KEY2));
// add master key
Iterator<PGPSecretKey> masterIt = masterKeyRing.getSecretKeys();
mKeys.add(masterIt.next());
mKeysUsages.add(Id.choice.usage.sign_only);
// add sub key
Iterator<PGPSecretKey> subIt = subKeyRing.getSecretKeys();
subIt.next(); // masterkey
mKeys.add(subIt.next());
mKeysUsages.add(Id.choice.usage.encrypt_only);
buildLayout();
}
};
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(ApgService.EXTRA_MESSENGER, messenger);
mGeneratingDialog.show(getSupportFragmentManager(), "dialog");
// start service with intent
startService(intent);
}
}
}
} else if (ACTION_EDIT_KEY.equals(mIntent.getAction())) {
mActionBar.setTitle(R.string.title_editKey);
mCurrentPassPhrase = PGPMain.getEditPassPhrase();
if (mCurrentPassPhrase == null) {
mCurrentPassPhrase = "";
}
if (mCurrentPassPhrase.equals("")) {
// check "no passphrase" checkbox and remove button
mNoPassphrase.setChecked(true);
mChangePassPhrase.setVisibility(View.GONE);
}
if (extras != null) {
if (extras.containsKey(EXTRA_KEY_ID)) {
long keyId = mIntent.getExtras().getLong(EXTRA_KEY_ID);
if (keyId != 0) {
PGPSecretKey masterKey = null;
mKeyRing = PGPMain.getSecretKeyRing(keyId);
if (mKeyRing != null) {
masterKey = PGPHelper.getMasterKey(mKeyRing);
for (PGPSecretKey key :
new IterableIterator<PGPSecretKey>(mKeyRing.getSecretKeys())) {
mKeys.add(key);
mKeysUsages.add(-1); // get usage when view is created
}
}
if (masterKey != null) {
for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) {
mUserIds.add(userId);
}
}
}
}
}
}
mChangePassPhrase.setOnClickListener(
new OnClickListener() {
public void onClick(View v) {
showDialog(Id.dialog.new_pass_phrase);
}
});
// disable passphrase when no passphrase checkobox is checked!
mNoPassphrase.setOnCheckedChangeListener(
new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
// remove passphrase
mNewPassPhrase = null;
mChangePassPhrase.setVisibility(View.GONE);
} else {
mChangePassPhrase.setVisibility(View.VISIBLE);
}
}
});
if (mBuildLayout) {
buildLayout();
}
}