private void shareKey(Uri dataUri, boolean fingerprintOnly) {
String content;
if (fingerprintOnly) {
byte[] fingerprintBlob = ProviderHelper.getFingerprint(this, dataUri);
String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob, false);
content = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
} else {
// get public keyring as ascii armored string
long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
ArrayList<String> keyringArmored =
ProviderHelper.getKeyRingsAsArmoredString(this, dataUri, new long[] {masterKeyId});
content = keyringArmored.get(0);
// Android will fail with android.os.TransactionTooLargeException if key is too big
// see http://www.lonestarprod.com/?p=34
if (content.length() >= 86389) {
Toast.makeText(getApplicationContext(), R.string.key_too_big_for_sharing, Toast.LENGTH_LONG)
.show();
return;
}
}
// let user choose application
Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, content);
sendIntent.setType("text/plain");
startActivity(
Intent.createChooser(sendIntent, getResources().getText(R.string.action_share_key_with)));
}
public void drawPublicKey() {
PGPPublicKeyRing pubring = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(this, mPubKeyId);
if (pubring != null) {
PGPPublicKey key = PgpKeyHelper.getMasterKey(pubring);
String masterKeyIdHex = PgpKeyHelper.convertKeyIdToHex(mPubKeyId);
// get relevant UI elements
TextView keyIdHex = (TextView) findViewById(R.id.public_key_master_key_hex);
TextView keyUserId = (TextView) findViewById(R.id.public_key_user_id);
TextView keyUserIdRest = (TextView) findViewById(R.id.public_key_user_id_rest);
if (key != null) {
String userId = PgpKeyHelper.getMainUserIdSafe(this, key);
String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
String userName, userEmail;
if (userIdSplit[0] != null) {
userName = userIdSplit[0];
} else {
userName = getResources().getString(R.string.user_id_no_name);
}
if (userIdSplit[1] != null) {
userEmail = userIdSplit[1];
} else {
userEmail = getResources().getString(R.string.error_user_id_no_email);
}
keyIdHex.setText(masterKeyIdHex);
keyUserId.setText(userName);
keyUserIdRest.setText(userEmail);
keyUserId.setVisibility(View.VISIBLE);
keyUserIdRest.setVisibility(View.VISIBLE);
} else {
Log.e(Constants.TAG, "this shouldn't happen. key == 0!");
finish();
return;
}
} else {
Log.e(Constants.TAG, "this shouldn't happen. pubring == 0!");
finish();
return;
}
}
private void updateFromKeyserver(Uri dataUri, ProviderHelper providerHelper)
throws ProviderHelper.NotFoundException {
byte[] blob =
(byte[])
providerHelper.getGenericData(
KeychainContract.KeyRings.buildUnifiedKeyRingUri(dataUri),
KeychainContract.Keys.FINGERPRINT,
ProviderHelper.FIELD_TYPE_BLOB);
String fingerprint = PgpKeyHelper.convertFingerprintToHex(blob);
Intent queryIntent = new Intent(getActivity(), ImportKeysActivity.class);
queryIntent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_RESULT);
queryIntent.putExtra(ImportKeysActivity.EXTRA_FINGERPRINT, fingerprint);
startActivityForResult(queryIntent, 0);
}
/**
* 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);
}
}
}
private void updateView() {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
mSelectKeysButton.setText(getString(R.string.select_keys_button_default));
} else {
mSelectKeysButton.setText(
getResources()
.getQuantityString(
R.plurals.select_keys_button,
mEncryptionKeyIds.length,
mEncryptionKeyIds.length));
}
if (mSecretKeyId == Constants.key.none) {
mSign.setChecked(false);
mMainUserId.setText("");
mMainUserIdRest.setText("");
} else {
// See if we can get a user_id from a unified query
String[] userId;
try {
String userIdResult =
(String)
mProviderHelper.getUnifiedData(
mSecretKeyId, KeyRings.USER_ID, ProviderHelper.FIELD_TYPE_STRING);
userId = PgpKeyHelper.splitUserId(userIdResult);
} catch (ProviderHelper.NotFoundException e) {
userId = null;
}
if (userId != null && userId[0] != null) {
mMainUserId.setText(userId[0]);
} else {
mMainUserId.setText(getResources().getString(R.string.user_id_no_name));
}
if (userId != null && userId[1] != null) {
mMainUserIdRest.setText(userId[1]);
} else {
mMainUserIdRest.setText("");
}
mSign.setChecked(true);
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_KEYRING:
if (data.moveToFirst()) {
// get name, email, and comment from USER_ID
String[] mainUserId = PgpKeyHelper.splitUserId(data.getString(KEYRING_INDEX_USER_ID));
if (mainUserId[0] != null) {
getActivity().setTitle(mainUserId[0]);
mName.setText(mainUserId[0]);
} else {
getActivity().setTitle(R.string.user_id_no_name);
mName.setText(R.string.user_id_no_name);
}
mEmail.setText(mainUserId[1]);
mComment.setText(mainUserId[2]);
}
break;
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(data);
break;
case LOADER_ID_KEYS:
// the first key here is our master key
if (data.moveToFirst()) {
// get key id from MASTER_KEY_ID
long keyId = data.getLong(KEYS_INDEX_KEY_ID);
String keyIdStr = PgpKeyHelper.convertKeyIdToHex(keyId);
mKeyId.setText(keyIdStr);
// get creation date from CREATION
if (data.isNull(KEYS_INDEX_CREATION)) {
mCreation.setText(R.string.none);
} else {
Date creationDate = new Date(data.getLong(KEYS_INDEX_CREATION) * 1000);
mCreation.setText(
DateFormat.getDateFormat(getActivity().getApplicationContext())
.format(creationDate));
}
// get expiry date from EXPIRY
if (data.isNull(KEYS_INDEX_EXPIRY)) {
mExpiry.setText(R.string.none);
} else {
Date expiryDate = new Date(data.getLong(KEYS_INDEX_EXPIRY) * 1000);
mExpiry.setText(
DateFormat.getDateFormat(getActivity().getApplicationContext()).format(expiryDate));
}
String algorithmStr =
PgpKeyHelper.getAlgorithmInfo(
data.getInt(KEYS_INDEX_ALGORITHM), data.getInt(KEYS_INDEX_KEY_SIZE));
mAlgorithm.setText(algorithmStr);
byte[] fingerprintBlob = data.getBlob(KEYS_INDEX_FINGERPRINT);
if (fingerprintBlob == null) {
// FALLBACK for old database entries
fingerprintBlob = ProviderHelper.getFingerprint(getActivity(), mDataUri);
}
String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob, true);
mFingerprint.setText(OtherHelper.colorizeFingerprint(fingerprint));
}
mKeysAdapter.swapCursor(data);
break;
default:
break;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.certify_key_activity);
final ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setDisplayHomeAsUpEnabled(false);
actionBar.setHomeButtonEnabled(false);
mSelectKeyFragment =
(SelectSecretKeyLayoutFragment)
getSupportFragmentManager().findFragmentById(R.id.sign_key_select_key_fragment);
mSelectKeyFragment.setCallback(this);
mSelectKeyFragment.setFilterCertify(true);
mSelectKeyserverSpinner = (Spinner) findViewById(R.id.sign_key_keyserver);
ArrayAdapter<String> adapter =
new ArrayAdapter<String>(
this,
android.R.layout.simple_spinner_item,
Preferences.getPreferences(this).getKeyServers());
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mSelectKeyserverSpinner.setAdapter(adapter);
mUploadKeyCheckbox = (CheckBox) findViewById(R.id.sign_key_upload_checkbox);
if (!mUploadKeyCheckbox.isChecked()) {
mSelectKeyserverSpinner.setEnabled(false);
} else {
mSelectKeyserverSpinner.setEnabled(true);
}
mUploadKeyCheckbox.setOnCheckedChangeListener(
new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (!isChecked) {
mSelectKeyserverSpinner.setEnabled(false);
} else {
mSelectKeyserverSpinner.setEnabled(true);
}
}
});
mSignButton = (BootstrapButton) findViewById(R.id.sign_key_sign_button);
mSignButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
if (mPubKeyId != 0) {
if (mMasterKeyId == 0) {
mSelectKeyFragment.setError(getString(R.string.select_key_to_sign));
} else {
initiateSigning();
}
}
}
});
mDataUri = getIntent().getData();
if (mDataUri == null) {
Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!");
finish();
return;
}
PGPPublicKeyRing signKey = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, mDataUri);
if (signKey != null) {
mPubKeyId = PgpKeyHelper.getMasterKey(signKey).getKeyID();
drawPublicKey();
}
if (mPubKeyId == 0) {
Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!");
finish();
return;
}
}