open-keychain/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyServerQueryActivity.java
2013-01-16 14:31:16 +01:00

354 lines
13 KiB
Java

/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
*
* 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 java.util.ArrayList;
import java.util.List;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.helper.PgpHelper;
import org.sufficientlysecure.keychain.helper.Preferences;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.KeyServer.KeyInfo;
import org.sufficientlysecure.keychain.R;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.MenuItem;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
public class KeyServerQueryActivity extends SherlockFragmentActivity {
// possible intent actions for this activity
public static final String ACTION_LOOK_UP_KEY_ID = Constants.INTENT_PREFIX + "LOOK_UP_KEY_ID";
public static final String ACTION_LOOK_UP_KEY_ID_AND_RETURN = Constants.INTENT_PREFIX
+ "LOOK_UP_KEY_ID_AND_RETURN";
public static final String EXTRA_KEY_ID = "keyId";
public static final String RESULT_EXTRA_TEXT = "text";
private ListView mList;
private EditText mQuery;
private Button mSearch;
private KeyInfoListAdapter mAdapter;
private Spinner mKeyServer;
private int mQueryType;
private String mQueryString;
private long mQueryId;
private volatile List<KeyInfo> mSearchResult;
private volatile String mKeyData;
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// app icon in Action Bar clicked; go home
Intent intent = new Intent(this, KeyListPublicActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
default:
break;
}
return false;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.key_server_query_layout);
mQuery = (EditText) findViewById(R.id.query);
mSearch = (Button) findViewById(R.id.btn_search);
mList = (ListView) findViewById(R.id.list);
mAdapter = new KeyInfoListAdapter(this);
mList.setAdapter(mAdapter);
mKeyServer = (Spinner) findViewById(R.id.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);
mKeyServer.setAdapter(adapter);
if (adapter.getCount() > 0) {
mKeyServer.setSelection(0);
} else {
mSearch.setEnabled(false);
}
mList.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapter, View view, int position, long keyId) {
get(keyId);
}
});
mSearch.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
String query = mQuery.getText().toString();
search(query);
}
});
Intent intent = getIntent();
String action = intent.getAction();
if (ACTION_LOOK_UP_KEY_ID.equals(action) || ACTION_LOOK_UP_KEY_ID_AND_RETURN.equals(action)) {
long keyId = intent.getLongExtra(EXTRA_KEY_ID, 0);
if (keyId != 0) {
String query = "0x" + PgpHelper.keyToHex(keyId);
mQuery.setText(query);
search(query);
}
}
}
private void search(String query) {
mQueryType = Id.keyserver.search;
mQueryString = query;
mAdapter.setKeys(new ArrayList<KeyInfo>());
start();
}
private void get(long keyId) {
mQueryType = Id.keyserver.get;
mQueryId = keyId;
start();
}
private void start() {
Log.d(Constants.TAG, "start search with service");
// Send all information needed to service to query keys in other thread
Intent intent = new Intent(this, KeychainIntentService.class);
intent.putExtra(KeychainIntentService.EXTRA_ACTION, KeychainIntentService.ACTION_QUERY_KEYRING);
// fill values for this action
Bundle data = new Bundle();
String server = (String) mKeyServer.getSelectedItem();
data.putString(KeychainIntentService.QUERY_KEY_SERVER, server);
data.putInt(KeychainIntentService.QUERY_KEY_TYPE, mQueryType);
if (mQueryType == Id.keyserver.search) {
data.putString(KeychainIntentService.QUERY_KEY_STRING, mQueryString);
} else if (mQueryType == Id.keyserver.get) {
data.putLong(KeychainIntentService.QUERY_KEY_ID, mQueryId);
}
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
// Message is received after querying is done in ApgService
KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
R.string.progress_querying, ProgressDialog.STYLE_SPINNER) {
public void handleMessage(Message message) {
// handle messages by standard ApgHandler first
super.handleMessage(message);
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
// get returned data bundle
Bundle returnData = message.getData();
if (mQueryType == Id.keyserver.search) {
mSearchResult = returnData
.getParcelableArrayList(KeychainIntentService.RESULT_QUERY_KEY_SEARCH_RESULT);
} else if (mQueryType == Id.keyserver.get) {
mKeyData = returnData.getString(KeychainIntentService.RESULT_QUERY_KEY_KEY_DATA);
}
// TODO: IMPROVE CODE!!! some global variables can be avoided!!!
if (mQueryType == Id.keyserver.search) {
if (mSearchResult != null) {
Toast.makeText(KeyServerQueryActivity.this,
getString(R.string.keysFound, mSearchResult.size()),
Toast.LENGTH_SHORT).show();
mAdapter.setKeys(mSearchResult);
}
} else if (mQueryType == Id.keyserver.get) {
Intent orgIntent = getIntent();
if (ACTION_LOOK_UP_KEY_ID_AND_RETURN.equals(orgIntent.getAction())) {
if (mKeyData != null) {
Intent intent = new Intent();
intent.putExtra(RESULT_EXTRA_TEXT, mKeyData);
setResult(RESULT_OK, intent);
} else {
setResult(RESULT_CANCELED);
}
finish();
} else {
if (mKeyData != null) {
Intent intent = new Intent(KeyServerQueryActivity.this,
ImportKeysActivity.class);
intent.setAction(ImportKeysActivity.ACTION_IMPORT);
intent.putExtra(ImportKeysActivity.EXTRA_TEXT, mKeyData);
startActivity(intent);
}
}
}
}
};
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(this);
// start service with intent
startService(intent);
}
public class KeyInfoListAdapter extends BaseAdapter {
protected LayoutInflater mInflater;
protected Activity mActivity;
protected List<KeyInfo> mKeys;
public KeyInfoListAdapter(Activity activity) {
mActivity = activity;
mInflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mKeys = new ArrayList<KeyInfo>();
}
public void setKeys(List<KeyInfo> keys) {
mKeys = keys;
notifyDataSetChanged();
}
@Override
public boolean hasStableIds() {
return true;
}
public int getCount() {
return mKeys.size();
}
public Object getItem(int position) {
return mKeys.get(position);
}
public long getItemId(int position) {
return mKeys.get(position).keyId;
}
public View getView(int position, View convertView, ViewGroup parent) {
KeyInfo keyInfo = mKeys.get(position);
View view = mInflater.inflate(R.layout.key_server_query_result_item, null);
TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
mainUserId.setText(R.string.unknownUserId);
TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
mainUserIdRest.setText("");
TextView keyId = (TextView) view.findViewById(R.id.keyId);
keyId.setText(R.string.noKey);
TextView algorithm = (TextView) view.findViewById(R.id.algorithm);
algorithm.setText("");
TextView status = (TextView) view.findViewById(R.id.status);
status.setText("");
String userId = keyInfo.userIds.get(0);
if (userId != null) {
String chunks[] = userId.split(" <", 2);
userId = chunks[0];
if (chunks.length > 1) {
mainUserIdRest.setText("<" + chunks[1]);
}
mainUserId.setText(userId);
}
keyId.setText(PgpHelper.getSmallFingerPrint(keyInfo.keyId));
if (mainUserIdRest.getText().length() == 0) {
mainUserIdRest.setVisibility(View.GONE);
}
algorithm.setText("" + keyInfo.size + "/" + keyInfo.algorithm);
if (keyInfo.revoked != null) {
status.setText("revoked");
} else {
status.setVisibility(View.GONE);
}
LinearLayout ll = (LinearLayout) view.findViewById(R.id.list);
if (keyInfo.userIds.size() == 1) {
ll.setVisibility(View.GONE);
} else {
boolean first = true;
boolean second = true;
for (String uid : keyInfo.userIds) {
if (first) {
first = false;
continue;
}
if (!second) {
View sep = new View(mActivity);
sep.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, 1));
sep.setBackgroundResource(android.R.drawable.divider_horizontal_dark);
ll.addView(sep);
}
TextView uidView = (TextView) mInflater.inflate(
R.layout.key_server_query_result_user_id, null);
uidView.setText(uid);
ll.addView(uidView);
second = false;
}
}
return view;
}
}
}