1 /* 2 * Copyright (C) 2017 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 package com.example.android.autofill.service; 17 18 import android.app.PendingIntent; 19 import android.app.assist.AssistStructure; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentSender; 23 import android.content.SharedPreferences; 24 import android.os.Bundle; 25 import android.service.autofill.Dataset; 26 import android.service.autofill.FillResponse; 27 import android.support.annotation.Nullable; 28 import android.support.v7.app.AppCompatActivity; 29 import android.text.Editable; 30 import android.widget.EditText; 31 import android.widget.RemoteViews; 32 import android.widget.Toast; 33 34 import com.example.android.autofill.service.data.ClientViewMetadata; 35 import com.example.android.autofill.service.data.ClientViewMetadataBuilder; 36 import com.example.android.autofill.service.data.DataCallback; 37 import com.example.android.autofill.service.data.adapter.DatasetAdapter; 38 import com.example.android.autofill.service.data.adapter.ResponseAdapter; 39 import com.example.android.autofill.service.data.source.DefaultFieldTypesSource; 40 import com.example.android.autofill.service.data.source.local.DefaultFieldTypesLocalJsonSource; 41 import com.example.android.autofill.service.data.source.local.DigitalAssetLinksRepository; 42 import com.example.android.autofill.service.data.source.local.LocalAutofillDataSource; 43 import com.example.android.autofill.service.data.source.local.dao.AutofillDao; 44 import com.example.android.autofill.service.data.source.local.db.AutofillDatabase; 45 import com.example.android.autofill.service.model.DatasetWithFilledAutofillFields; 46 import com.example.android.autofill.service.model.FieldTypeWithHeuristics; 47 import com.example.android.autofill.service.settings.MyPreferences; 48 import com.example.android.autofill.service.util.AppExecutors; 49 import com.google.gson.GsonBuilder; 50 51 import java.util.HashMap; 52 import java.util.List; 53 54 import static android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE; 55 import static android.view.autofill.AutofillManager.EXTRA_AUTHENTICATION_RESULT; 56 import static com.example.android.autofill.service.util.Util.EXTRA_DATASET_NAME; 57 import static com.example.android.autofill.service.util.Util.EXTRA_FOR_RESPONSE; 58 import static com.example.android.autofill.service.util.Util.logw; 59 60 61 /** 62 * This Activity controls the UI for logging in to the Autofill service. 63 * It is launched when an Autofill Response or specific Dataset within the Response requires 64 * authentication to access. It bundles the result in an Intent. 65 */ 66 public class AuthActivity extends AppCompatActivity { 67 68 // Unique id for dataset intents. 69 private static int sDatasetPendingIntentId = 0; 70 71 private LocalAutofillDataSource mLocalAutofillDataSource; 72 private DigitalAssetLinksRepository mDalRepository; 73 private EditText mMasterPassword; 74 private DatasetAdapter mDatasetAdapter; 75 private ResponseAdapter mResponseAdapter; 76 private ClientViewMetadata mClientViewMetadata; 77 private String mPackageName; 78 private Intent mReplyIntent; 79 private MyPreferences mPreferences; 80 81 public static IntentSender getAuthIntentSenderForResponse(Context context) { 82 final Intent intent = new Intent(context, AuthActivity.class); 83 return PendingIntent.getActivity(context, 0, intent, 84 PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender(); 85 } 86 87 public static IntentSender getAuthIntentSenderForDataset(Context originContext, 88 String datasetName) { 89 Intent intent = new Intent(originContext, AuthActivity.class); 90 intent.putExtra(EXTRA_DATASET_NAME, datasetName); 91 intent.putExtra(EXTRA_FOR_RESPONSE, false); 92 return PendingIntent.getActivity(originContext, ++sDatasetPendingIntentId, intent, 93 PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender(); 94 } 95 96 @Override 97 protected void onCreate(@Nullable Bundle savedInstanceState) { 98 super.onCreate(savedInstanceState); 99 setContentView(R.layout.multidataset_service_auth_activity); 100 SharedPreferences sharedPreferences = 101 getSharedPreferences(LocalAutofillDataSource.SHARED_PREF_KEY, Context.MODE_PRIVATE); 102 DefaultFieldTypesSource defaultFieldTypesSource = 103 DefaultFieldTypesLocalJsonSource.getInstance(getResources(), 104 new GsonBuilder().create()); 105 AutofillDao autofillDao = AutofillDatabase.getInstance(this, 106 defaultFieldTypesSource, new AppExecutors()).autofillDao(); 107 mLocalAutofillDataSource = LocalAutofillDataSource.getInstance(sharedPreferences, 108 autofillDao, new AppExecutors()); 109 mDalRepository = DigitalAssetLinksRepository.getInstance(getPackageManager()); 110 mMasterPassword = findViewById(R.id.master_password); 111 mPackageName = getPackageName(); 112 mPreferences = MyPreferences.getInstance(this); 113 findViewById(R.id.login).setOnClickListener((view) -> login()); 114 findViewById(R.id.cancel).setOnClickListener((view) -> { 115 onFailure(); 116 AuthActivity.this.finish(); 117 }); 118 } 119 120 private void login() { 121 Editable password = mMasterPassword.getText(); 122 String correctPassword = MyPreferences.getInstance(AuthActivity.this).getMasterPassword(); 123 if (password.toString().equals(correctPassword)) { 124 onSuccess(); 125 } else { 126 Toast.makeText(this, "Password incorrect", Toast.LENGTH_SHORT).show(); 127 onFailure(); 128 } 129 } 130 131 @Override 132 public void finish() { 133 if (mReplyIntent != null) { 134 setResult(RESULT_OK, mReplyIntent); 135 } else { 136 setResult(RESULT_CANCELED); 137 } 138 super.finish(); 139 } 140 141 private void onFailure() { 142 logw("Failed auth."); 143 mReplyIntent = null; 144 } 145 146 private void onSuccess() { 147 Intent intent = getIntent(); 148 boolean forResponse = intent.getBooleanExtra(EXTRA_FOR_RESPONSE, true); 149 AssistStructure structure = intent.getParcelableExtra(EXTRA_ASSIST_STRUCTURE); 150 ClientParser clientParser = new ClientParser(structure); 151 mReplyIntent = new Intent(); 152 mLocalAutofillDataSource.getFieldTypeByAutofillHints( 153 new DataCallback<HashMap<String, FieldTypeWithHeuristics>>() { 154 @Override 155 public void onLoaded(HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint) { 156 ClientViewMetadataBuilder builder = new ClientViewMetadataBuilder(clientParser, 157 fieldTypesByAutofillHint); 158 mClientViewMetadata = builder.buildClientViewMetadata(); 159 mDatasetAdapter = new DatasetAdapter(clientParser); 160 mResponseAdapter = new ResponseAdapter(AuthActivity.this, 161 mClientViewMetadata, mPackageName, mDatasetAdapter); 162 if (forResponse) { 163 fetchAllDatasetsAndSetIntent(fieldTypesByAutofillHint); 164 } else { 165 String datasetName = intent.getStringExtra(EXTRA_DATASET_NAME); 166 fetchDatasetAndSetIntent(fieldTypesByAutofillHint, datasetName); 167 } 168 } 169 170 @Override 171 public void onDataNotAvailable(String msg, Object... params) { 172 173 } 174 }); 175 } 176 177 private void fetchDatasetAndSetIntent( 178 HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint, String datasetName) { 179 mLocalAutofillDataSource.getAutofillDataset(mClientViewMetadata.getAllHints(), 180 datasetName, new DataCallback<DatasetWithFilledAutofillFields>() { 181 @Override 182 public void onLoaded(DatasetWithFilledAutofillFields dataset) { 183 String datasetName = dataset.autofillDataset.getDatasetName(); 184 RemoteViews remoteViews = RemoteViewsHelper.viewsWithNoAuth( 185 mPackageName, datasetName); 186 setDatasetIntent(mDatasetAdapter.buildDataset(fieldTypesByAutofillHint, 187 dataset, remoteViews)); 188 finish(); 189 } 190 191 @Override 192 public void onDataNotAvailable(String msg, Object... params) { 193 logw(msg, params); 194 finish(); 195 } 196 }); 197 } 198 199 private void fetchAllDatasetsAndSetIntent( 200 HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint) { 201 mLocalAutofillDataSource.getAutofillDatasets(mClientViewMetadata.getAllHints(), 202 new DataCallback<List<DatasetWithFilledAutofillFields>>() { 203 @Override 204 public void onLoaded(List<DatasetWithFilledAutofillFields> datasets) { 205 boolean datasetAuth = mPreferences.isDatasetAuth(); 206 FillResponse fillResponse = mResponseAdapter.buildResponse( 207 fieldTypesByAutofillHint, datasets, datasetAuth); 208 setResponseIntent(fillResponse); 209 finish(); 210 } 211 212 @Override 213 public void onDataNotAvailable(String msg, Object... params) { 214 logw(msg, params); 215 finish(); 216 } 217 }); 218 } 219 220 private void setResponseIntent(FillResponse fillResponse) { 221 mReplyIntent.putExtra(EXTRA_AUTHENTICATION_RESULT, fillResponse); 222 } 223 224 private void setDatasetIntent(Dataset dataset) { 225 mReplyIntent.putExtra(EXTRA_AUTHENTICATION_RESULT, dataset); 226 } 227 } 228
