Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.keychain; |
| 18 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 19 | import android.app.Activity; |
Robin Lee | 8eb453b | 2015-02-17 14:13:36 +0000 | [diff] [blame] | 20 | import android.app.ActivityManagerNative; |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 21 | import android.app.admin.IDevicePolicyManager; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 22 | import android.app.AlertDialog; |
| 23 | import android.app.Dialog; |
| 24 | import android.app.PendingIntent; |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 25 | import android.content.Context; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 26 | import android.content.DialogInterface; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 27 | import android.content.Intent; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 28 | import android.content.pm.PackageManager; |
| 29 | import android.content.res.Resources; |
Robin Lee | 606d9d0 | 2015-05-05 15:57:13 +0100 | [diff] [blame^] | 30 | import android.net.Uri; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 31 | import android.os.AsyncTask; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 32 | import android.os.Bundle; |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 33 | import android.os.IBinder; |
| 34 | import android.os.RemoteException; |
| 35 | import android.os.ServiceManager; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 36 | import android.security.Credentials; |
Brian Carlstrom | f5b50a4 | 2011-06-09 16:05:09 -0700 | [diff] [blame] | 37 | import android.security.IKeyChainAliasCallback; |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 38 | import android.security.KeyChain; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 39 | import android.security.KeyStore; |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 40 | import android.util.Log; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 41 | import android.view.LayoutInflater; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 42 | import android.view.View; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 43 | import android.view.ViewGroup; |
Selim Gurun | 9c2b71c | 2012-03-22 15:51:14 -0700 | [diff] [blame] | 44 | import android.widget.AdapterView; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 45 | import android.widget.BaseAdapter; |
| 46 | import android.widget.Button; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 47 | import android.widget.ListView; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 48 | import android.widget.RadioButton; |
| 49 | import android.widget.TextView; |
| 50 | import com.android.org.bouncycastle.asn1.x509.X509Name; |
| 51 | import java.io.ByteArrayInputStream; |
| 52 | import java.io.InputStream; |
| 53 | import java.security.cert.CertificateException; |
| 54 | import java.security.cert.CertificateFactory; |
| 55 | import java.security.cert.X509Certificate; |
| 56 | import java.util.ArrayList; |
| 57 | import java.util.Arrays; |
| 58 | import java.util.Collections; |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 59 | import java.util.concurrent.ExecutionException; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 60 | import java.util.List; |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 61 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 62 | import javax.security.auth.x500.X500Principal; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 63 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 64 | public class KeyChainActivity extends Activity { |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 65 | private static final String TAG = "KeyChain"; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 66 | |
| 67 | private static String KEY_STATE = "state"; |
| 68 | |
| 69 | private static final int REQUEST_UNLOCK = 1; |
| 70 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 71 | private int mSenderUid; |
| 72 | |
| 73 | private PendingIntent mSender; |
| 74 | |
Kenny Root | 6ba32f2 | 2014-07-31 14:03:16 -0700 | [diff] [blame] | 75 | private static enum State { INITIAL, UNLOCK_REQUESTED, UNLOCK_CANCELED }; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 76 | |
| 77 | private State mState; |
| 78 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 79 | // beware that some of these KeyStore operations such as saw and |
| 80 | // get do file I/O in the remote keystore process and while they |
| 81 | // do not cause StrictMode violations, they logically should not |
| 82 | // be done on the UI thread. |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 83 | private KeyStore mKeyStore = KeyStore.getInstance(); |
| 84 | |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 85 | @Override public void onCreate(Bundle savedState) { |
| 86 | super.onCreate(savedState); |
| 87 | if (savedState == null) { |
| 88 | mState = State.INITIAL; |
| 89 | } else { |
| 90 | mState = (State) savedState.getSerializable(KEY_STATE); |
| 91 | if (mState == null) { |
| 92 | mState = State.INITIAL; |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | @Override public void onResume() { |
| 98 | super.onResume(); |
| 99 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 100 | mSender = getIntent().getParcelableExtra(KeyChain.EXTRA_SENDER); |
| 101 | if (mSender == null) { |
| 102 | // if no sender, bail, we need to identify the app to the user securely. |
| 103 | finish(null); |
| 104 | return; |
| 105 | } |
| 106 | try { |
| 107 | mSenderUid = getPackageManager().getPackageInfo( |
| 108 | mSender.getIntentSender().getTargetPackage(), 0).applicationInfo.uid; |
| 109 | } catch (PackageManager.NameNotFoundException e) { |
| 110 | // if unable to find the sender package info bail, |
| 111 | // we need to identify the app to the user securely. |
| 112 | finish(null); |
| 113 | return; |
| 114 | } |
| 115 | |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 116 | // see if KeyStore has been unlocked, if not start activity to do so |
| 117 | switch (mState) { |
| 118 | case INITIAL: |
Kenny Root | 4ff2296 | 2013-02-14 10:17:06 -0800 | [diff] [blame] | 119 | if (!mKeyStore.isUnlocked()) { |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 120 | mState = State.UNLOCK_REQUESTED; |
| 121 | this.startActivityForResult(new Intent(Credentials.UNLOCK_ACTION), |
| 122 | REQUEST_UNLOCK); |
| 123 | // Note that Credentials.unlock will start an |
| 124 | // Activity and we will be paused but then resumed |
| 125 | // when the unlock Activity completes and our |
| 126 | // onActivityResult is called with REQUEST_UNLOCK |
| 127 | return; |
| 128 | } |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 129 | chooseCertificate(); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 130 | return; |
| 131 | case UNLOCK_REQUESTED: |
| 132 | // we've already asked, but have not heard back, probably just rotated. |
| 133 | // wait to hear back via onActivityResult |
| 134 | return; |
Kenny Root | 6ba32f2 | 2014-07-31 14:03:16 -0700 | [diff] [blame] | 135 | case UNLOCK_CANCELED: |
| 136 | // User wanted to cancel the request, so exit. |
| 137 | mState = State.INITIAL; |
Kenny Root | 13e867c | 2014-11-14 08:34:57 -0800 | [diff] [blame] | 138 | finish(null); |
Kenny Root | 6ba32f2 | 2014-07-31 14:03:16 -0700 | [diff] [blame] | 139 | return; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 140 | default: |
| 141 | throw new AssertionError(); |
| 142 | } |
| 143 | } |
| 144 | |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 145 | private void chooseCertificate() { |
| 146 | // Start loading the set of certs to choose from now- if device policy doesn't return an |
| 147 | // alias, having aliases loading already will save some time waiting for UI to start. |
| 148 | final AliasLoader loader = new AliasLoader(); |
| 149 | loader.execute(); |
| 150 | |
| 151 | final IKeyChainAliasCallback.Stub callback = new IKeyChainAliasCallback.Stub() { |
| 152 | @Override public void alias(String alias) { |
| 153 | // Use policy-suggested alias if provided |
| 154 | if (alias != null) { |
| 155 | finish(alias); |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | // No suggested alias - instead finish loading and show UI to pick one |
| 160 | final CertificateAdapter certAdapter; |
| 161 | try { |
| 162 | certAdapter = loader.get(); |
| 163 | } catch (InterruptedException | ExecutionException e) { |
| 164 | Log.e(TAG, "Loading certificate aliases interrupted", e); |
| 165 | finish(null); |
| 166 | return; |
| 167 | } |
| 168 | runOnUiThread(new Runnable() { |
| 169 | @Override public void run() { |
| 170 | displayCertChooserDialog(certAdapter); |
| 171 | } |
| 172 | }); |
| 173 | } |
| 174 | }; |
| 175 | |
| 176 | // Give a profile or device owner the chance to intercept the request, if a private key |
| 177 | // access listener is registered with the DevicePolicyManagerService. |
| 178 | IDevicePolicyManager devicePolicyManager = IDevicePolicyManager.Stub.asInterface( |
| 179 | ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); |
| 180 | |
Robin Lee | 606d9d0 | 2015-05-05 15:57:13 +0100 | [diff] [blame^] | 181 | Uri uri = getIntent().getParcelableExtra(KeyChain.EXTRA_URI); |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 182 | String alias = getIntent().getStringExtra(KeyChain.EXTRA_ALIAS); |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 183 | try { |
Robin Lee | 8eb453b | 2015-02-17 14:13:36 +0000 | [diff] [blame] | 184 | int uid = ActivityManagerNative.getDefault().getLaunchedFromUid(getActivityToken()); |
Robin Lee | 606d9d0 | 2015-05-05 15:57:13 +0100 | [diff] [blame^] | 185 | devicePolicyManager.choosePrivateKeyAlias(uid, uri, alias, callback); |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 186 | } catch (RemoteException e) { |
Robin Lee | 8eb453b | 2015-02-17 14:13:36 +0000 | [diff] [blame] | 187 | Log.e(TAG, "Unable to request alias from DevicePolicyManager", e); |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 188 | // Proceed without a suggested alias. |
| 189 | try { |
| 190 | callback.alias(null); |
| 191 | } catch (RemoteException shouldNeverHappen) { |
| 192 | finish(null); |
| 193 | } |
| 194 | } |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 195 | } |
| 196 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 197 | private class AliasLoader extends AsyncTask<Void, Void, CertificateAdapter> { |
| 198 | @Override protected CertificateAdapter doInBackground(Void... params) { |
| 199 | String[] aliasArray = mKeyStore.saw(Credentials.USER_PRIVATE_KEY); |
| 200 | List<String> aliasList = ((aliasArray == null) |
| 201 | ? Collections.<String>emptyList() |
| 202 | : Arrays.asList(aliasArray)); |
| 203 | Collections.sort(aliasList); |
| 204 | return new CertificateAdapter(aliasList); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 205 | } |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 206 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 207 | |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 208 | private void displayCertChooserDialog(final CertificateAdapter adapter) { |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 209 | AlertDialog.Builder builder = new AlertDialog.Builder(this); |
Brian Carlstrom | df17230 | 2011-06-26 17:13:54 -0700 | [diff] [blame] | 210 | |
Brian Carlstrom | 4bf9e1a | 2011-06-28 21:45:31 -0700 | [diff] [blame] | 211 | TextView contextView = (TextView) View.inflate(this, R.layout.cert_chooser_header, null); |
| 212 | View footer = View.inflate(this, R.layout.cert_chooser_footer, null); |
| 213 | |
| 214 | final ListView lv = (ListView) View.inflate(this, R.layout.cert_chooser, null); |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 215 | lv.addHeaderView(contextView, null, false); |
| 216 | lv.addFooterView(footer, null, false); |
Brian Carlstrom | 4bf9e1a | 2011-06-28 21:45:31 -0700 | [diff] [blame] | 217 | lv.setAdapter(adapter); |
| 218 | builder.setView(lv); |
Brian Carlstrom | df17230 | 2011-06-26 17:13:54 -0700 | [diff] [blame] | 219 | |
Selim Gurun | 9c2b71c | 2012-03-22 15:51:14 -0700 | [diff] [blame] | 220 | lv.setOnItemClickListener(new AdapterView.OnItemClickListener() { |
| 221 | |
| 222 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| 223 | lv.setItemChecked(position, true); |
| 224 | } |
| 225 | }); |
| 226 | |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 227 | boolean empty = adapter.mAliases.isEmpty(); |
Brian Carlstrom | df17230 | 2011-06-26 17:13:54 -0700 | [diff] [blame] | 228 | int negativeLabel = empty ? android.R.string.cancel : R.string.deny_button; |
| 229 | builder.setNegativeButton(negativeLabel, new DialogInterface.OnClickListener() { |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 230 | @Override public void onClick(DialogInterface dialog, int id) { |
| 231 | dialog.cancel(); // will cause OnDismissListener to be called |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 232 | } |
| 233 | }); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 234 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 235 | String title; |
Brian Carlstrom | df17230 | 2011-06-26 17:13:54 -0700 | [diff] [blame] | 236 | Resources res = getResources(); |
| 237 | if (empty) { |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 238 | title = res.getString(R.string.title_no_certs); |
| 239 | } else { |
| 240 | title = res.getString(R.string.title_select_cert); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 241 | String alias = getIntent().getStringExtra(KeyChain.EXTRA_ALIAS); |
| 242 | if (alias != null) { |
Brian Carlstrom | 6231655 | 2011-07-10 12:26:12 -0700 | [diff] [blame] | 243 | // if alias was requested, set it if found |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 244 | int adapterPosition = adapter.mAliases.indexOf(alias); |
| 245 | if (adapterPosition != -1) { |
| 246 | int listViewPosition = adapterPosition+1; |
| 247 | lv.setItemChecked(listViewPosition, true); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 248 | } |
Brian Carlstrom | 6231655 | 2011-07-10 12:26:12 -0700 | [diff] [blame] | 249 | } else if (adapter.mAliases.size() == 1) { |
| 250 | // if only one choice, preselect it |
| 251 | int adapterPosition = 0; |
| 252 | int listViewPosition = adapterPosition+1; |
| 253 | lv.setItemChecked(listViewPosition, true); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | builder.setPositiveButton(R.string.allow_button, new DialogInterface.OnClickListener() { |
| 257 | @Override public void onClick(DialogInterface dialog, int id) { |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 258 | int listViewPosition = lv.getCheckedItemPosition(); |
| 259 | int adapterPosition = listViewPosition-1; |
| 260 | String alias = ((adapterPosition >= 0) |
| 261 | ? adapter.getItem(adapterPosition) |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 262 | : null); |
| 263 | finish(alias); |
| 264 | } |
| 265 | }); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 266 | } |
| 267 | builder.setTitle(title); |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 268 | final Dialog dialog = builder.create(); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 269 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 270 | |
| 271 | // getTargetPackage guarantees that the returned string is |
| 272 | // supplied by the system, so that an application can not |
| 273 | // spoof its package. |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 274 | String pkg = mSender.getIntentSender().getTargetPackage(); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 275 | PackageManager pm = getPackageManager(); |
| 276 | CharSequence applicationLabel; |
| 277 | try { |
| 278 | applicationLabel = pm.getApplicationLabel(pm.getApplicationInfo(pkg, 0)).toString(); |
| 279 | } catch (PackageManager.NameNotFoundException e) { |
| 280 | applicationLabel = pkg; |
| 281 | } |
| 282 | String appMessage = String.format(res.getString(R.string.requesting_application), |
| 283 | applicationLabel); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 284 | String contextMessage = appMessage; |
Robin Lee | 606d9d0 | 2015-05-05 15:57:13 +0100 | [diff] [blame^] | 285 | Uri uri = getIntent().getParcelableExtra(KeyChain.EXTRA_URI); |
| 286 | if (uri != null) { |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 287 | String hostMessage = String.format(res.getString(R.string.requesting_server), |
Robin Lee | 606d9d0 | 2015-05-05 15:57:13 +0100 | [diff] [blame^] | 288 | uri.getAuthority()); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 289 | if (contextMessage == null) { |
| 290 | contextMessage = hostMessage; |
| 291 | } else { |
| 292 | contextMessage += " " + hostMessage; |
| 293 | } |
| 294 | } |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 295 | contextView.setText(contextMessage); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 296 | |
| 297 | String installMessage = String.format(res.getString(R.string.install_new_cert_message), |
| 298 | Credentials.EXTENSION_PFX, Credentials.EXTENSION_P12); |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 299 | TextView installText = (TextView) footer.findViewById(R.id.cert_chooser_install_message); |
| 300 | installText.setText(installMessage); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 301 | |
Brian Carlstrom | 4bf9e1a | 2011-06-28 21:45:31 -0700 | [diff] [blame] | 302 | Button installButton = (Button) footer.findViewById(R.id.cert_chooser_install_button); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 303 | installButton.setOnClickListener(new View.OnClickListener() { |
| 304 | @Override public void onClick(View v) { |
| 305 | // remove dialog so that we will recreate with |
| 306 | // possibly new content after install returns |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 307 | dialog.dismiss(); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 308 | Credentials.getInstance().install(KeyChainActivity.this); |
| 309 | } |
| 310 | }); |
| 311 | |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 312 | dialog.setOnCancelListener(new DialogInterface.OnCancelListener() { |
| 313 | @Override public void onCancel(DialogInterface dialog) { |
| 314 | finish(null); |
| 315 | } |
| 316 | }); |
Brian Carlstrom | 91940e7 | 2011-06-28 20:37:31 -0700 | [diff] [blame] | 317 | dialog.show(); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | private class CertificateAdapter extends BaseAdapter { |
| 321 | private final List<String> mAliases; |
| 322 | private final List<String> mSubjects = new ArrayList<String>(); |
| 323 | private CertificateAdapter(List<String> aliases) { |
| 324 | mAliases = aliases; |
| 325 | mSubjects.addAll(Collections.nCopies(aliases.size(), (String) null)); |
| 326 | } |
| 327 | @Override public int getCount() { |
| 328 | return mAliases.size(); |
| 329 | } |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 330 | @Override public String getItem(int adapterPosition) { |
| 331 | return mAliases.get(adapterPosition); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 332 | } |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 333 | @Override public long getItemId(int adapterPosition) { |
| 334 | return adapterPosition; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 335 | } |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 336 | @Override public View getView(final int adapterPosition, View view, ViewGroup parent) { |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 337 | ViewHolder holder; |
| 338 | if (view == null) { |
| 339 | LayoutInflater inflater = LayoutInflater.from(KeyChainActivity.this); |
| 340 | view = inflater.inflate(R.layout.cert_item, parent, false); |
| 341 | holder = new ViewHolder(); |
| 342 | holder.mAliasTextView = (TextView) view.findViewById(R.id.cert_item_alias); |
| 343 | holder.mSubjectTextView = (TextView) view.findViewById(R.id.cert_item_subject); |
| 344 | holder.mRadioButton = (RadioButton) view.findViewById(R.id.cert_item_selected); |
| 345 | view.setTag(holder); |
| 346 | } else { |
| 347 | holder = (ViewHolder) view.getTag(); |
| 348 | } |
| 349 | |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 350 | String alias = mAliases.get(adapterPosition); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 351 | |
| 352 | holder.mAliasTextView.setText(alias); |
| 353 | |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 354 | String subject = mSubjects.get(adapterPosition); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 355 | if (subject == null) { |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 356 | new CertLoader(adapterPosition, holder.mSubjectTextView).execute(); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 357 | } else { |
| 358 | holder.mSubjectTextView.setText(subject); |
| 359 | } |
| 360 | |
| 361 | ListView lv = (ListView)parent; |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 362 | int listViewCheckedItemPosition = lv.getCheckedItemPosition(); |
| 363 | int adapterCheckedItemPosition = listViewCheckedItemPosition-1; |
| 364 | holder.mRadioButton.setChecked(adapterPosition == adapterCheckedItemPosition); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 365 | return view; |
| 366 | } |
| 367 | |
| 368 | private class CertLoader extends AsyncTask<Void, Void, String> { |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 369 | private final int mAdapterPosition; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 370 | private final TextView mSubjectView; |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 371 | private CertLoader(int adapterPosition, TextView subjectView) { |
| 372 | mAdapterPosition = adapterPosition; |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 373 | mSubjectView = subjectView; |
| 374 | } |
| 375 | @Override protected String doInBackground(Void... params) { |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 376 | String alias = mAliases.get(mAdapterPosition); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 377 | byte[] bytes = mKeyStore.get(Credentials.USER_CERTIFICATE + alias); |
| 378 | if (bytes == null) { |
| 379 | return null; |
| 380 | } |
| 381 | InputStream in = new ByteArrayInputStream(bytes); |
| 382 | X509Certificate cert; |
| 383 | try { |
| 384 | CertificateFactory cf = CertificateFactory.getInstance("X.509"); |
| 385 | cert = (X509Certificate)cf.generateCertificate(in); |
| 386 | } catch (CertificateException ignored) { |
| 387 | return null; |
| 388 | } |
| 389 | // bouncycastle can handle the emailAddress OID of 1.2.840.113549.1.9.1 |
| 390 | X500Principal subjectPrincipal = cert.getSubjectX500Principal(); |
| 391 | X509Name subjectName = X509Name.getInstance(subjectPrincipal.getEncoded()); |
| 392 | String subjectString = subjectName.toString(true, X509Name.DefaultSymbols); |
| 393 | return subjectString; |
| 394 | } |
| 395 | @Override protected void onPostExecute(String subjectString) { |
Brian Carlstrom | 5dd41f6 | 2011-06-29 18:51:34 -0700 | [diff] [blame] | 396 | mSubjects.set(mAdapterPosition, subjectString); |
Brian Carlstrom | 65e649e | 2011-06-24 02:13:28 -0700 | [diff] [blame] | 397 | mSubjectView.setText(subjectString); |
| 398 | } |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | private static class ViewHolder { |
| 403 | TextView mAliasTextView; |
| 404 | TextView mSubjectTextView; |
| 405 | RadioButton mRadioButton; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { |
| 409 | switch (requestCode) { |
| 410 | case REQUEST_UNLOCK: |
Kenny Root | 4ff2296 | 2013-02-14 10:17:06 -0800 | [diff] [blame] | 411 | if (mKeyStore.isUnlocked()) { |
Kenny Root | 6ba32f2 | 2014-07-31 14:03:16 -0700 | [diff] [blame] | 412 | mState = State.INITIAL; |
Robin Lee | b46e493 | 2015-02-03 18:17:39 +0000 | [diff] [blame] | 413 | chooseCertificate(); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 414 | } else { |
| 415 | // user must have canceled unlock, give up |
Kenny Root | 6ba32f2 | 2014-07-31 14:03:16 -0700 | [diff] [blame] | 416 | mState = State.UNLOCK_CANCELED; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 417 | } |
| 418 | return; |
| 419 | default: |
| 420 | throw new AssertionError(); |
| 421 | } |
| 422 | } |
| 423 | |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 424 | private void finish(String alias) { |
| 425 | if (alias == null) { |
| 426 | setResult(RESULT_CANCELED); |
| 427 | } else { |
| 428 | Intent result = new Intent(); |
| 429 | result.putExtra(Intent.EXTRA_TEXT, alias); |
| 430 | setResult(RESULT_OK, result); |
| 431 | } |
Brian Carlstrom | f5b50a4 | 2011-06-09 16:05:09 -0700 | [diff] [blame] | 432 | IKeyChainAliasCallback keyChainAliasResponse |
| 433 | = IKeyChainAliasCallback.Stub.asInterface( |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 434 | getIntent().getIBinderExtra(KeyChain.EXTRA_RESPONSE)); |
| 435 | if (keyChainAliasResponse != null) { |
Brian Carlstrom | 7d9aa75 | 2011-07-07 11:52:27 -0700 | [diff] [blame] | 436 | new ResponseSender(keyChainAliasResponse, alias).execute(); |
| 437 | return; |
| 438 | } |
| 439 | finish(); |
| 440 | } |
| 441 | |
| 442 | private class ResponseSender extends AsyncTask<Void, Void, Void> { |
| 443 | private IKeyChainAliasCallback mKeyChainAliasResponse; |
| 444 | private String mAlias; |
| 445 | private ResponseSender(IKeyChainAliasCallback keyChainAliasResponse, String alias) { |
| 446 | mKeyChainAliasResponse = keyChainAliasResponse; |
| 447 | mAlias = alias; |
| 448 | } |
| 449 | @Override protected Void doInBackground(Void... unused) { |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 450 | try { |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 451 | if (mAlias != null) { |
| 452 | KeyChain.KeyChainConnection connection = KeyChain.bind(KeyChainActivity.this); |
| 453 | try { |
| 454 | connection.getService().setGrant(mSenderUid, mAlias, true); |
| 455 | } finally { |
| 456 | connection.close(); |
| 457 | } |
| 458 | } |
Brian Carlstrom | 7d9aa75 | 2011-07-07 11:52:27 -0700 | [diff] [blame] | 459 | mKeyChainAliasResponse.alias(mAlias); |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 460 | } catch (InterruptedException ignored) { |
| 461 | Thread.currentThread().interrupt(); |
| 462 | Log.d(TAG, "interrupted while granting access", ignored); |
Brian Carlstrom | 2a85883 | 2011-05-26 09:30:26 -0700 | [diff] [blame] | 463 | } catch (Exception ignored) { |
| 464 | // don't just catch RemoteException, caller could |
| 465 | // throw back a RuntimeException across processes |
| 466 | // which we should protect against. |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 467 | Log.e(TAG, "error while granting access", ignored); |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 468 | } |
Brian Carlstrom | 7d9aa75 | 2011-07-07 11:52:27 -0700 | [diff] [blame] | 469 | return null; |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 470 | } |
Brian Carlstrom | 7d9aa75 | 2011-07-07 11:52:27 -0700 | [diff] [blame] | 471 | @Override protected void onPostExecute(Void unused) { |
| 472 | finish(); |
| 473 | } |
Brian Carlstrom | bb04f70 | 2011-05-24 21:54:51 -0700 | [diff] [blame] | 474 | } |
| 475 | |
Brian Carlstrom | 9e606df | 2011-06-07 12:03:08 -0700 | [diff] [blame] | 476 | @Override public void onBackPressed() { |
| 477 | finish(null); |
| 478 | } |
| 479 | |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 480 | @Override protected void onSaveInstanceState(Bundle savedState) { |
| 481 | super.onSaveInstanceState(savedState); |
| 482 | if (mState != State.INITIAL) { |
| 483 | savedState.putSerializable(KEY_STATE, mState); |
| 484 | } |
| 485 | } |
| 486 | } |