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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2011 Senecaso
*
* 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.sufficientlysecure.keychain.ui;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.text.format.DateFormat;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import org.spongycastle.openpgp.PGPSignature;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.PgpConversionHelper;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.Log;
import java.util.Date;
/**
* Swag
*/
public class ViewCertActivity extends ActionBarActivity
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.EXPIRY,
Certs.KEY_ID_CERTIFIER,
Certs.SIGNER_UID,
Certs.TYPE
};
private static final int INDEX_MASTER_KEY_ID = 1;
private static final int INDEX_USER_ID = 2;
private static final int INDEX_TYPE = 3;
private static final int INDEX_CREATION = 4;
private static final int INDEX_EXPIRY = 5;
private static final int INDEX_KEY_ID_CERTIFIER = 6;
private static final int INDEX_UID_CERTIFIER = 7;
private static final int INDEX_KEY_TYPE = 8;
private Uri mDataUri;
private long mSignerKeyId;
private TextView mSigneeKey, mSigneeUid, mRank, mAlgorithm, mType, mCreation, mExpiry;
private TextView mSignerKey, mSignerUid;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.view_cert_activity);
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);
mCreation = (TextView) findViewById(R.id.creation);
mExpiry = (TextView) findViewById(R.id.expiry);
mSignerKey = (TextView) findViewById(R.id.signer_key_id);
mSignerUid = (TextView) findViewById(R.id.signer_uid);
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
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()) {
String signeeKey = "0x" + PgpKeyHelper.convertKeyIdToHex(data.getLong(INDEX_MASTER_KEY_ID));
mSigneeKey.setText(signeeKey);
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));
mSignerKeyId = data.getLong(INDEX_KEY_ID_CERTIFIER);
String signerKey = "0x" + PgpKeyHelper.convertKeyIdToHex(mSignerKeyId);
mSignerKey.setText(signerKey);
String signerUid = data.getString(INDEX_UID_CERTIFIER);
if(signerUid != null)
mSignerUid.setText(signerUid);
else
mSignerUid.setText(R.string.unknown_uid);
// String algorithmStr = PgpKeyHelper.getAlgorithmInfo(sig.getKeyAlgorithm(), 0);
// mAlgorithm.setText(algorithmStr);
switch(data.getInt(INDEX_TYPE)) {
case PGPSignature.DEFAULT_CERTIFICATION:
mType.setText(R.string.sig_type_default); break;
case PGPSignature.NO_CERTIFICATION:
mType.setText(R.string.sig_type_none); break;
case PGPSignature.CASUAL_CERTIFICATION:
mType.setText(R.string.sig_type_casual); break;
case PGPSignature.POSITIVE_CERTIFICATION:
mType.setText(R.string.sig_type_positive); break;
}
long expiry = data.getLong(INDEX_EXPIRY);
if(expiry == 0)
mExpiry.setText("never");
else {
Date expiryDate = new Date(creationDate.getTime() + expiry * 1000);
mExpiry.setText(DateFormat.getDateFormat(getApplicationContext()).format(expiryDate));
}
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.view_cert, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_view_cert_verify:
// TODO verification routine
return true;
case R.id.menu_view_cert_view_signer:
// can't do this before the data is initialized
Intent viewIntent = null;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
viewIntent = new Intent(this, ViewKeyActivity.class);
} else {
viewIntent = new Intent(this, ViewKeyActivityJB.class);
}
//
long signerMasterKeyId = ProviderHelper.getMasterKeyId(this,
KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(Long.toString(mSignerKeyId))
);
// TODO notify user of this, maybe offer download?
if(mSignerKeyId == 0L)
return true;
viewIntent.setData(KeyRings.buildGenericKeyRingUri(
Long.toString(signerMasterKeyId))
);
startActivity(viewIntent);
return true;
}
return super.onOptionsItemSelected(item);
}
}
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