262 lines
11 KiB
Java
262 lines
11 KiB
Java
/*
|
|
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package org.sufficientlysecure.keychain.ui;
|
|
|
|
import android.content.Intent;
|
|
import android.os.Bundle;
|
|
import android.support.v4.app.Fragment;
|
|
import android.view.View;
|
|
import android.widget.ImageView;
|
|
import android.widget.LinearLayout;
|
|
import android.widget.TextView;
|
|
|
|
import org.openintents.openpgp.OpenPgpSignatureResult;
|
|
import org.sufficientlysecure.keychain.R;
|
|
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
|
|
import org.sufficientlysecure.keychain.pgp.KeyRing;
|
|
import org.sufficientlysecure.keychain.provider.KeychainContract;
|
|
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
|
|
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
|
|
import org.sufficientlysecure.keychain.util.Passphrase;
|
|
|
|
public abstract class DecryptFragment extends Fragment {
|
|
private static final int RESULT_CODE_LOOKUP_KEY = 0x00007006;
|
|
|
|
public static final int REQUEST_CODE_PASSPHRASE = 0x00008001;
|
|
public static final int REQUEST_CODE_NFC_DECRYPT = 0x00008002;
|
|
|
|
protected long mSignatureKeyId = 0;
|
|
|
|
protected LinearLayout mResultLayout;
|
|
|
|
protected ImageView mEncryptionIcon;
|
|
protected TextView mEncryptionText;
|
|
protected ImageView mSignatureIcon;
|
|
protected TextView mSignatureText;
|
|
|
|
protected View mSignatureLayout;
|
|
protected View mSignatureDivider1;
|
|
protected View mSignatureDivider2;
|
|
protected TextView mSignatureName;
|
|
protected TextView mSignatureEmail;
|
|
protected TextView mSignatureAction;
|
|
|
|
|
|
// State
|
|
protected Passphrase mPassphrase;
|
|
protected byte[] mNfcDecryptedSessionKey;
|
|
|
|
@Override
|
|
public void onActivityCreated(Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
|
|
mResultLayout = (LinearLayout) getView().findViewById(R.id.result_main_layout);
|
|
mResultLayout.setVisibility(View.GONE);
|
|
|
|
mEncryptionIcon = (ImageView) getView().findViewById(R.id.result_encryption_icon);
|
|
mEncryptionText = (TextView) getView().findViewById(R.id.result_encryption_text);
|
|
mSignatureIcon = (ImageView) getView().findViewById(R.id.result_signature_icon);
|
|
mSignatureText = (TextView) getView().findViewById(R.id.result_signature_text);
|
|
mSignatureLayout = getView().findViewById(R.id.result_signature_layout);
|
|
mSignatureDivider1 = getView().findViewById(R.id.result_signature_divider1);
|
|
mSignatureDivider2 = getView().findViewById(R.id.result_signature_divider2);
|
|
mSignatureName = (TextView) getView().findViewById(R.id.result_signature_name);
|
|
mSignatureEmail = (TextView) getView().findViewById(R.id.result_signature_email);
|
|
mSignatureAction = (TextView) getView().findViewById(R.id.result_signature_action);
|
|
|
|
}
|
|
|
|
private void lookupUnknownKey(long unknownKeyId) {
|
|
Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
|
|
intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER);
|
|
intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, unknownKeyId);
|
|
startActivityForResult(intent, RESULT_CODE_LOOKUP_KEY);
|
|
}
|
|
|
|
private void showKey(long keyId) {
|
|
Intent viewKeyIntent = new Intent(getActivity(), ViewKeyActivity.class);
|
|
viewKeyIntent.setData(KeychainContract.KeyRings
|
|
.buildGenericKeyRingUri(keyId));
|
|
startActivity(viewKeyIntent);
|
|
}
|
|
|
|
protected void startPassphraseDialog(long subkeyId) {
|
|
Intent intent = new Intent(getActivity(), PassphraseDialogActivity.class);
|
|
intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, subkeyId);
|
|
startActivityForResult(intent, REQUEST_CODE_PASSPHRASE);
|
|
}
|
|
|
|
protected void startNfcDecrypt(long subKeyId, Passphrase pin, byte[] encryptedSessionKey) {
|
|
// build PendingIntent for Yubikey NFC operations
|
|
Intent intent = new Intent(getActivity(), NfcActivity.class);
|
|
intent.setAction(NfcActivity.ACTION_DECRYPT_SESSION_KEY);
|
|
intent.putExtra(NfcActivity.EXTRA_DATA, new Intent()); // not used, only relevant to OpenPgpService
|
|
intent.putExtra(NfcActivity.EXTRA_KEY_ID, subKeyId);
|
|
intent.putExtra(NfcActivity.EXTRA_PIN, pin);
|
|
|
|
intent.putExtra(NfcActivity.EXTRA_NFC_ENC_SESSION_KEY, encryptedSessionKey);
|
|
|
|
startActivityForResult(intent, REQUEST_CODE_NFC_DECRYPT);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return returns false if signature is invalid, key is revoked or expired.
|
|
*/
|
|
protected boolean onResult(DecryptVerifyResult decryptVerifyResult) {
|
|
final OpenPgpSignatureResult signatureResult = decryptVerifyResult.getSignatureResult();
|
|
|
|
boolean valid = false;
|
|
|
|
mSignatureKeyId = 0;
|
|
mResultLayout.setVisibility(View.VISIBLE);
|
|
if (signatureResult != null) {
|
|
mSignatureKeyId = signatureResult.getKeyId();
|
|
|
|
String userId = signatureResult.getPrimaryUserId();
|
|
KeyRing.UserId userIdSplit = KeyRing.splitUserId(userId);
|
|
if (userIdSplit.name != null) {
|
|
mSignatureName.setText(userIdSplit.name);
|
|
} else {
|
|
mSignatureName.setText(R.string.user_id_no_name);
|
|
}
|
|
if (userIdSplit.email != null) {
|
|
mSignatureEmail.setText(userIdSplit.email);
|
|
} else {
|
|
mSignatureEmail.setText(KeyFormattingUtils.beautifyKeyIdWithPrefix(getActivity(), mSignatureKeyId));
|
|
}
|
|
|
|
if (signatureResult.isSignatureOnly()) {
|
|
mEncryptionText.setText(R.string.decrypt_result_not_encrypted);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mEncryptionIcon, mEncryptionText, State.NOT_ENCRYPTED);
|
|
} else {
|
|
mEncryptionText.setText(R.string.decrypt_result_encrypted);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mEncryptionIcon, mEncryptionText, State.ENCRYPTED);
|
|
}
|
|
|
|
switch (signatureResult.getStatus()) {
|
|
case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED: {
|
|
mSignatureText.setText(R.string.decrypt_result_signature_certified);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.VERIFIED);
|
|
|
|
setSignatureLayoutVisibility(View.VISIBLE);
|
|
setShowAction(mSignatureKeyId);
|
|
|
|
valid = true;
|
|
break;
|
|
}
|
|
|
|
case OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED: {
|
|
mSignatureText.setText(R.string.decrypt_result_signature_uncertified);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.UNVERIFIED);
|
|
|
|
setSignatureLayoutVisibility(View.VISIBLE);
|
|
setShowAction(mSignatureKeyId);
|
|
|
|
valid = true;
|
|
break;
|
|
}
|
|
|
|
case OpenPgpSignatureResult.SIGNATURE_KEY_MISSING: {
|
|
mSignatureText.setText(R.string.decrypt_result_signature_missing_key);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.UNKNOWN_KEY);
|
|
|
|
setSignatureLayoutVisibility(View.VISIBLE);
|
|
mSignatureAction.setText(R.string.decrypt_result_action_Lookup);
|
|
mSignatureAction.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_file_download_grey_24dp, 0);
|
|
mSignatureLayout.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
lookupUnknownKey(mSignatureKeyId);
|
|
}
|
|
});
|
|
|
|
valid = true;
|
|
break;
|
|
}
|
|
|
|
case OpenPgpSignatureResult.SIGNATURE_KEY_EXPIRED: {
|
|
mSignatureText.setText(R.string.decrypt_result_signature_expired_key);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.EXPIRED);
|
|
|
|
setSignatureLayoutVisibility(View.VISIBLE);
|
|
setShowAction(mSignatureKeyId);
|
|
|
|
valid = false;
|
|
break;
|
|
}
|
|
|
|
case OpenPgpSignatureResult.SIGNATURE_KEY_REVOKED: {
|
|
mSignatureText.setText(R.string.decrypt_result_signature_revoked_key);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.REVOKED);
|
|
|
|
setSignatureLayoutVisibility(View.VISIBLE);
|
|
setShowAction(mSignatureKeyId);
|
|
|
|
valid = false;
|
|
break;
|
|
}
|
|
|
|
case OpenPgpSignatureResult.SIGNATURE_ERROR: {
|
|
mSignatureText.setText(R.string.decrypt_result_invalid_signature);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.INVALID);
|
|
|
|
setSignatureLayoutVisibility(View.GONE);
|
|
|
|
valid = false;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
setSignatureLayoutVisibility(View.GONE);
|
|
|
|
mSignatureText.setText(R.string.decrypt_result_no_signature);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mSignatureIcon, mSignatureText, State.NOT_SIGNED);
|
|
mEncryptionText.setText(R.string.decrypt_result_encrypted);
|
|
KeyFormattingUtils.setStatusImage(getActivity(), mEncryptionIcon, mEncryptionText, State.ENCRYPTED);
|
|
|
|
valid = true;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
private void setSignatureLayoutVisibility(int visibility) {
|
|
mSignatureLayout.setVisibility(visibility);
|
|
mSignatureDivider1.setVisibility(visibility);
|
|
mSignatureDivider2.setVisibility(visibility);
|
|
}
|
|
|
|
private void setShowAction(final long signatureKeyId) {
|
|
mSignatureAction.setText(R.string.decrypt_result_action_show);
|
|
mSignatureAction.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_vpn_key_grey_24dp, 0);
|
|
mSignatureLayout.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
showKey(signatureKeyId);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Should be overridden by MessageFragment and FileFragment to start actual decryption
|
|
*/
|
|
protected abstract void decryptStart();
|
|
|
|
}
|