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/*
ConnectBot: simple, powerful, open-source SSH client for Android
Copyright (C) 2007-2008 Kenny Root, Jeffrey Sharkey
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.connectbot;
import java.security.PublicKey;
import java.util.EventListener;
import org.connectbot.util.PubkeyDatabase;
import org.connectbot.util.PubkeyUtils;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.ClipboardManager;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.MenuItem.OnMenuItemClickListener;
import android.widget.AdapterView;
import android.widget.CursorAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
public class PubkeyListActivity extends ListActivity implements EventListener {
public final static String TAG = PubkeyListActivity.class.toString();
protected PubkeyDatabase pubkeydb;
protected Cursor pubkeys;
protected int COL_ID, COL_NICKNAME, COL_TYPE, COL_PRIVATE, COL_PUBLIC, COL_ENCRYPTED, COL_STARTUP;
protected ClipboardManager clipboard;
@Override
public void onStart() {
super.onStart();
if(this.pubkeydb == null)
this.pubkeydb = new PubkeyDatabase(this);
ListView list = this.getListView();
this.registerForContextMenu(list);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.act_pubkeylist);
// connect with hosts database and populate list
this.pubkeydb = new PubkeyDatabase(this);
this.updateCursor();
this.COL_ID = pubkeys.getColumnIndexOrThrow("_id");
this.COL_NICKNAME = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_NICKNAME);
this.COL_TYPE = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_TYPE);
this.COL_PRIVATE = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_PRIVATE);
this.COL_PUBLIC = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_PUBLIC);
this.COL_ENCRYPTED = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_ENCRYPTED);
this.COL_STARTUP = pubkeys.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_STARTUP);
this.clipboard = (ClipboardManager)this.getSystemService(CLIPBOARD_SERVICE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuItem generatekey = menu.add(R.string.pubkey_generate);
generatekey.setIcon(android.R.drawable.ic_lock_lock);
generatekey.setIntent(new Intent(PubkeyListActivity.this, GeneratePubkeyActivity.class));
// TODO: allow importing of keys
//MenuItem importkey = menu.add("Import");
//importkey.setIcon(android.R.drawable.ic_lock_lock);
//importkey.setIntent(new Intent(PubkeyListActivity.this, ImportPubkeyActivity.class));
return true;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
// Create menu to handle deleting and editing pubkey
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
Cursor cursor = (Cursor) this.getListView().getItemAtPosition(info.position);
final String nickname = cursor.getString(COL_NICKNAME);
menu.setHeaderTitle(nickname);
final int id = cursor.getInt(COL_ID);
final byte[] pubkeyEncoded = cursor.getBlob(COL_PUBLIC);
final String keyType = cursor.getString(COL_TYPE);
MenuItem delete = menu.add(R.string.pubkey_delete);
delete.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// prompt user to make sure they really want this
new AlertDialog.Builder(PubkeyListActivity.this)
.setMessage(getString(R.string.delete_message, nickname))
.setPositiveButton(R.string.delete_pos, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
pubkeydb.deletePubkey(id);
updateHandler.sendEmptyMessage(-1);
}
})
.setNegativeButton(R.string.delete_neg, null).create().show();
return true;
}
});
MenuItem copyToClipboard = menu.add(R.string.pubkey_copy_clipboard);
copyToClipboard.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
try {
Log.d(TAG, "Trying to decode public key format: " + keyType);
PublicKey pk = PubkeyUtils.decodePublic(pubkeyEncoded, keyType);
String openSSHPubkey = new String(PubkeyUtils.convertToOpenSSHFormat(pk));
Log.d(TAG, "OpenSSH format: " + openSSHPubkey);
clipboard.setText(openSSHPubkey);
} catch (Exception e) {
e.printStackTrace();
}
return true;
}
});
}
public Handler updateHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
PubkeyListActivity.this.updateCursor();
}
};
protected void updateCursor() {
if (this.pubkeys != null) {
pubkeys.requery();
return;
}
this.pubkeys = this.pubkeydb.allPubkeys();
this.setListAdapter(new PubkeyCursorAdapter(this, this.pubkeys));
this.startManagingCursor(pubkeys);
}
class PubkeyCursorAdapter extends CursorAdapter {
private final LayoutInflater mInflater;
private final int mNickname;
private final int mPubkey;
private final int mKeyType;
private final int mEncrypted;
public PubkeyCursorAdapter(Context context, Cursor c) {
super(context, c);
mInflater = LayoutInflater.from(context);
mNickname = c.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_NICKNAME);
mPubkey = c.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_PUBLIC);
mEncrypted = c.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_ENCRYPTED);
mKeyType = c.getColumnIndexOrThrow(PubkeyDatabase.FIELD_PUBKEY_TYPE);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
TextView text1 = (TextView) view.findViewById(android.R.id.text1);
TextView text2 = (TextView) view.findViewById(android.R.id.text2);
ImageView icon1 = (ImageView) view.findViewById(android.R.id.icon1);
text1.setText(cursor.getString(mNickname));
String keyType = cursor.getString(mKeyType);
int encrypted = cursor.getInt(mEncrypted);
PublicKey pk;
try {
pk = PubkeyUtils.decodePublic(cursor.getBlob(mPubkey), keyType);
text2.setText(PubkeyUtils.describeKey(pk, encrypted));
} catch (Exception e) {
e.printStackTrace();
text2.setText(R.string.pubkey_unknown_format);
Log.e(TAG, "Error decoding public key at " + cursor.toString());
}
if (encrypted == 0)
icon1.setImageResource(R.drawable.pubkey_unlocked);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
final LinearLayout view = (LinearLayout) mInflater.inflate(
R.layout.item_pubkey, parent, false);
return view;
}
}
}
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