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/*
* Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.NavUtils;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.app.ActionBar;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.WrappedSignature;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.Log;
import java.util.Date;
public class ViewCertActivity extends BaseActivity
implements LoaderManager.LoaderCallbacks<Cursor> {
// These are the rows that we will retrieve.
static final String[] PROJECTION = new String[]{
Certs.MASTER_KEY_ID,
Certs.USER_ID,
Certs.TYPE,
Certs.CREATION,
Certs.KEY_ID_CERTIFIER,
Certs.SIGNER_UID,
Certs.DATA,
};
private static final int INDEX_MASTER_KEY_ID = 0;
private static final int INDEX_USER_ID = 1;
private static final int INDEX_TYPE = 2;
private static final int INDEX_CREATION = 3;
private static final int INDEX_KEY_ID_CERTIFIER = 4;
private static final int INDEX_SIGNER_UID = 5;
private static final int INDEX_DATA = 6;
private Uri mDataUri;
private long mCertifierKeyId;
private TextView mSigneeKey, mSigneeUid, mAlgorithm, mType, mReason, mCreation;
private TextView mCertifierKey, mCertifierUid, mStatus;
private View mRowReason;
private View mViewCertifierButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
mSigneeKey = (TextView) findViewById(R.id.signee_key);
mSigneeUid = (TextView) findViewById(R.id.signee_uid);
mAlgorithm = (TextView) findViewById(R.id.algorithm);
mType = (TextView) findViewById(R.id.signature_type);
mReason = (TextView) findViewById(R.id.reason);
mCreation = (TextView) findViewById(R.id.creation);
mCertifierKey = (TextView) findViewById(R.id.signer_key_id);
mCertifierUid = (TextView) findViewById(R.id.signer_uid);
mRowReason = findViewById(R.id.row_reason);
mViewCertifierButton = findViewById(R.id.view_cert_view_cert_key);
mDataUri = getIntent().getData();
if (mDataUri == null) {
Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!");
finish();
return;
}
getSupportLoaderManager().initLoader(0, null, this);
}
@Override
protected void initLayout() {
setContentView(R.layout.view_cert_activity);
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
return new CursorLoader(this, mDataUri, PROJECTION, null, null, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
if (data.moveToFirst()) {
mSigneeKey.setText(KeyFormattingUtils.beautifyKeyId(data.getLong(INDEX_MASTER_KEY_ID)));
String signeeUid = data.getString(INDEX_USER_ID);
mSigneeUid.setText(signeeUid);
Date creationDate = new Date(data.getLong(INDEX_CREATION) * 1000);
mCreation.setText(DateFormat.getDateFormat(getApplicationContext()).format(creationDate));
mCertifierKeyId = data.getLong(INDEX_KEY_ID_CERTIFIER);
mCertifierKey.setText(KeyFormattingUtils.beautifyKeyId(mCertifierKeyId));
String certifierUid = data.getString(INDEX_SIGNER_UID);
if (certifierUid != null) {
mCertifierUid.setText(certifierUid);
} else {
mCertifierUid.setText(R.string.unknown_uid);
}
WrappedSignature sig = WrappedSignature.fromBytes(data.getBlob(INDEX_DATA));
String algorithmStr = KeyFormattingUtils.getAlgorithmInfo(this, sig.getKeyAlgorithm(), null, null);
mAlgorithm.setText(algorithmStr);
mRowReason.setVisibility(View.GONE);
switch (data.getInt(INDEX_TYPE)) {
case WrappedSignature.DEFAULT_CERTIFICATION:
mType.setText(R.string.cert_default);
break;
case WrappedSignature.NO_CERTIFICATION:
mType.setText(R.string.cert_none);
break;
case WrappedSignature.CASUAL_CERTIFICATION:
mType.setText(R.string.cert_casual);
break;
case WrappedSignature.POSITIVE_CERTIFICATION:
mType.setText(R.string.cert_positive);
break;
case WrappedSignature.CERTIFICATION_REVOCATION: {
mType.setText(R.string.cert_revoke);
try {
if (! TextUtils.isEmpty(sig.getRevocationReason())) {
mReason.setText(sig.getRevocationReason());
} else {
mReason.setText(R.string.none);
}
} catch (PgpGeneralException e) {
mReason.setText(R.string.none);
}
mRowReason.setVisibility(View.VISIBLE);
break;
}
}
}
// can't do this before the data is initialized
mViewCertifierButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent viewIntent = new Intent(ViewCertActivity.this, ViewKeyActivity.class);
try {
ProviderHelper providerHelper = new ProviderHelper(ViewCertActivity.this);
long signerMasterKeyId = providerHelper.getCachedPublicKeyRing(
KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(mCertifierKeyId)).getMasterKeyId();
viewIntent.setData(KeyRings.buildGenericKeyRingUri(signerMasterKeyId));
startActivity(viewIntent);
} catch (PgpKeyNotFoundException e) {
// TODO notify user of this, maybe offer download?
Log.e(Constants.TAG, "key not found!", e);
}
}
});
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home: {
Intent viewIntent = NavUtils.getParentActivityIntent(this);
viewIntent.setData(KeyRings.buildGenericKeyRingUri(mDataUri));
NavUtils.navigateUpTo(this, viewIntent);
return true;
}
}
return super.onOptionsItemSelected(item);
}
}
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