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 
17 package android.app.backup;
18 
19 import android.annotation.SystemApi;
20 import android.app.backup.BackupAnnotations.OperationType;
21 import android.content.pm.PackageInfo;
22 import android.os.Bundle;
23 
24 /**
25  * Callback class for receiving important events during backup/restore operations.
26  * Events consist mostly of errors and exceptions, giving detailed reason on why a restore/backup
27  * failed or any time BackupManager makes an important decision.
28  * On the other hand {@link BackupObserver} will give a failure/success view without
29  * getting into details why. This callback runs on the thread it was called on because it can get
30  * a bit spammy.
31  * These callbacks will run on the binder thread.
32  *
33  * @hide
34  */
35 @SystemApi
36 public class BackupManagerMonitor {
37 
38   // Logging constants for BackupManagerMonitor
39   public static final int LOG_EVENT_CATEGORY_TRANSPORT = 1;
40   public static final int LOG_EVENT_CATEGORY_AGENT = 2;
41   public static final int LOG_EVENT_CATEGORY_BACKUP_MANAGER_POLICY = 3;
42   /** string : the package name */
43   public static final String EXTRA_LOG_EVENT_PACKAGE_NAME =
44           "android.app.backup.extra.LOG_EVENT_PACKAGE_NAME";
45   /** int : the versionCode of the package named by EXTRA_LOG_EVENT_PACKAGE_NAME
46    * @deprecated Use {@link #EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION} */
47   @Deprecated
48   public static final String EXTRA_LOG_EVENT_PACKAGE_VERSION =
49           "android.app.backup.extra.LOG_EVENT_PACKAGE_VERSION";
50   /** long : the full versionCode of the package named by EXTRA_LOG_EVENT_PACKAGE_NAME */
51   public static final String EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION =
52           "android.app.backup.extra.LOG_EVENT_PACKAGE_FULL_VERSION";
53   /** int : the id of the log message, will be a unique identifier */
54   public static final String EXTRA_LOG_EVENT_ID = "android.app.backup.extra.LOG_EVENT_ID";
55   /**
56    *  int : category will be one of
57    *  { LOG_EVENT_CATEGORY_TRANSPORT,
58    *    LOG_EVENT_CATEGORY_AGENT,
59    *    LOG_EVENT_CATEGORY_BACKUP_MANAGER_POLICY}.
60    */
61   public static final String EXTRA_LOG_EVENT_CATEGORY =
62           "android.app.backup.extra.LOG_EVENT_CATEGORY";
63 
64 
65   /**
66    * boolean: when we have an event with id LOG_EVENT_ID_KEY_VALUE_BACKUP_CANCEL we record if
67    * the call was to cancel backup of all packages
68    */
69   public static final String EXTRA_LOG_CANCEL_ALL = "android.app.backup.extra.LOG_CANCEL_ALL";
70 
71   /**
72    * string: when we have an event with id LOG_EVENT_ID_ILLEGAL_KEY we send the key that was used
73    * by the app
74    */
75   public static final String EXTRA_LOG_ILLEGAL_KEY = "android.app.backup.extra.LOG_ILLEGAL_KEY";
76 
77   /**
78    * long: when we have an event with id LOG_EVENT_ID_ERROR_PREFLIGHT we send the error code that
79    * was returned by the transport during preflight
80    */
81   public static final String EXTRA_LOG_PREFLIGHT_ERROR =
82           "android.app.backup.extra.LOG_PREFLIGHT_ERROR";
83 
84   /**
85    * string: when we have an event with id LOG_EVENT_ID_EXCEPTION_FULL_BACKUP we send the
86    * exception's stacktrace
87    */
88   public static final String EXTRA_LOG_EXCEPTION_FULL_BACKUP =
89           "android.app.backup.extra.LOG_EXCEPTION_FULL_BACKUP";
90 
91   /**
92    * int: when we have an event with id LOG_EVENT_ID_RESTORE_VERSION_HIGHER we send the
93    * restore package version
94    */
95   public static final String EXTRA_LOG_RESTORE_VERSION =
96           "android.app.backup.extra.LOG_RESTORE_VERSION";
97 
98   /**
99    * boolean: when we have an event with id LOG_EVENT_ID_RESTORE_VERSION_HIGHER we record if
100    * ApplicationInfo.FLAG_RESTORE_ANY_VERSION flag is set
101    */
102   public static final String EXTRA_LOG_RESTORE_ANYWAY =
103           "android.app.backup.extra.LOG_RESTORE_ANYWAY";
104 
105 
106   /**
107    * boolean: when we have an event with id LOG_EVENT_ID_APK_NOT_INSTALLED we record if
108    * the policy allows to install apks provided with the dataset
109    */
110   public static final String EXTRA_LOG_POLICY_ALLOW_APKS =
111           "android.app.backup.extra.LOG_POLICY_ALLOW_APKS";
112 
113 
114   /**
115    * string: when we have an event with id LOG_EVENT_ID_EXPECTED_DIFFERENT_PACKAGE we record the
116    * package name provided in the restore manifest
117    */
118   public static final String EXTRA_LOG_MANIFEST_PACKAGE_NAME =
119           "android.app.backup.extra.LOG_MANIFEST_PACKAGE_NAME";
120 
121   /**
122    * string: when we have an event with id LOG_EVENT_ID_WIDGET_METADATA_MISMATCH we record the
123    * package name provided in the widget metadata
124    */
125   public static final String EXTRA_LOG_WIDGET_PACKAGE_NAME =
126           "android.app.backup.extra.LOG_WIDGET_PACKAGE_NAME";
127 
128   /**
129    * int: when we have event of id LOG_EVENT_ID_VERSION_OF_BACKUP_OLDER we send the version
130    * of the backup.
131    */
132   public static final String EXTRA_LOG_OLD_VERSION = "android.app.backup.extra.LOG_OLD_VERSION";
133 
134   /**
135    * ParcelableList: when we have an event of id LOG_EVENT_ID_AGENT_LOGGING_RESULTS we send a list
136    * of {@link android.app.backup.BackupRestoreEventLogger.DataTypeResult}.
137    */
138   public static final String EXTRA_LOG_AGENT_LOGGING_RESULTS =
139           "android.app.backup.extra.LOG_AGENT_LOGGING_RESULTS";
140 
141   /**
142    * The operation type this log is associated with. See {@link OperationType}.
143    *
144    * @hide
145    */
146   public static final String EXTRA_LOG_OPERATION_TYPE = "android.app.backup.extra.OPERATION_TYPE";
147 
148   /**
149    * List of system components that do not support restore in a  V-> U OS downgrade, even if
150    * restoreAnyVersion is set to true.
151    * Read from Settings.Secure.V_TO_U_RESTORE_DENYLIST
152    *
153    * @hide
154    */
155   public static final String EXTRA_LOG_V_TO_U_DENYLIST = "android.app.backup.extra.V_TO_U_DENYLIST";
156 
157   /**
158    * List of system components that support restore in a  V-> U OS downgrade, even if
159    * restoreAnyVersion is set to false.
160    * Read from Settings.Secure.V_TO_U_RESTORE_ALLOWLIST
161    *
162    * @hide
163    */
164   public static final String EXTRA_LOG_V_TO_U_ALLOWLIST =
165           "android.app.backup.extra.V_TO_U_ALLOWLIST";
166 
167   // TODO complete this list with all log messages. And document properly.
168   public static final int LOG_EVENT_ID_FULL_BACKUP_CANCEL = 4;
169   public static final int LOG_EVENT_ID_ILLEGAL_KEY = 5;
170   public static final int LOG_EVENT_ID_NO_DATA_TO_SEND = 7;
171   public static final int LOG_EVENT_ID_PACKAGE_INELIGIBLE = 9;
172   public static final int LOG_EVENT_ID_PACKAGE_KEY_VALUE_PARTICIPANT = 10;
173   public static final int LOG_EVENT_ID_PACKAGE_STOPPED = 11;
174   public static final int LOG_EVENT_ID_PACKAGE_NOT_FOUND = 12;
175   public static final int LOG_EVENT_ID_BACKUP_DISABLED = 13;
176   public static final int LOG_EVENT_ID_DEVICE_NOT_PROVISIONED = 14;
177   public static final int LOG_EVENT_ID_PACKAGE_TRANSPORT_NOT_PRESENT = 15;
178   public static final int LOG_EVENT_ID_ERROR_PREFLIGHT = 16;
179   public static final int LOG_EVENT_ID_QUOTA_HIT_PREFLIGHT = 18;
180   public static final int LOG_EVENT_ID_EXCEPTION_FULL_BACKUP = 19;
181   public static final int LOG_EVENT_ID_KEY_VALUE_BACKUP_CANCEL = 21;
182   public static final int LOG_EVENT_ID_NO_RESTORE_METADATA_AVAILABLE = 22;
183   public static final int LOG_EVENT_ID_NO_PM_METADATA_RECEIVED = 23;
184   public static final int LOG_EVENT_ID_PM_AGENT_HAS_NO_METADATA = 24;
185   public static final int LOG_EVENT_ID_LOST_TRANSPORT = 25;
186   public static final int LOG_EVENT_ID_PACKAGE_NOT_PRESENT = 26;
187   public static final int LOG_EVENT_ID_RESTORE_VERSION_HIGHER = 27;
188   public static final int LOG_EVENT_ID_APP_HAS_NO_AGENT = 28;
189   public static final int LOG_EVENT_ID_SIGNATURE_MISMATCH = 29;
190   public static final int LOG_EVENT_ID_CANT_FIND_AGENT = 30;
191   public static final int LOG_EVENT_ID_KEY_VALUE_RESTORE_TIMEOUT = 31;
192   public static final int LOG_EVENT_ID_RESTORE_ANY_VERSION = 34;
193   public static final int LOG_EVENT_ID_VERSIONS_MATCH = 35;
194   public static final int LOG_EVENT_ID_VERSION_OF_BACKUP_OLDER = 36;
195   public static final int LOG_EVENT_ID_FULL_RESTORE_SIGNATURE_MISMATCH = 37;
196   public static final int LOG_EVENT_ID_SYSTEM_APP_NO_AGENT = 38;
197   public static final int LOG_EVENT_ID_FULL_RESTORE_ALLOW_BACKUP_FALSE = 39;
198   public static final int LOG_EVENT_ID_APK_NOT_INSTALLED = 40;
199   public static final int LOG_EVENT_ID_CANNOT_RESTORE_WITHOUT_APK = 41;
200   public static final int LOG_EVENT_ID_MISSING_SIGNATURE = 42;
201   public static final int LOG_EVENT_ID_EXPECTED_DIFFERENT_PACKAGE = 43;
202   public static final int LOG_EVENT_ID_UNKNOWN_VERSION = 44;
203   public static final int LOG_EVENT_ID_FULL_RESTORE_TIMEOUT = 45;
204   public static final int LOG_EVENT_ID_CORRUPT_MANIFEST = 46;
205   public static final int LOG_EVENT_ID_WIDGET_METADATA_MISMATCH = 47;
206   public static final int LOG_EVENT_ID_WIDGET_UNKNOWN_VERSION = 48;
207   public static final int LOG_EVENT_ID_NO_PACKAGES = 49;
208   public static final int LOG_EVENT_ID_TRANSPORT_IS_NULL = 50;
209   /** The transport returned {@link BackupTransport#TRANSPORT_NON_INCREMENTAL_BACKUP_REQUIRED}. */
210   public static final int LOG_EVENT_ID_TRANSPORT_NON_INCREMENTAL_BACKUP_REQUIRED = 51;
211 
212   public static final int LOG_EVENT_ID_AGENT_LOGGING_RESULTS = 52;
213   /** @hide */
214   public static final int LOG_EVENT_ID_START_SYSTEM_RESTORE = 53;
215   /** @hide */
216   public static final int LOG_EVENT_ID_START_RESTORE_AT_INSTALL = 54;
217   /** A transport error happened during {@link PerformUnifiedRestoreTask#startRestore()}
218   @hide */
219   public static final int LOG_EVENT_ID_TRANSPORT_ERROR_DURING_START_RESTORE = 55;
220   /** Unable to get the name of the next package in the queue during a restore operation
221   @hide */
222   public static final int LOG_EVENT_ID_CANNOT_GET_NEXT_PKG_NAME = 56;
223   /** Attempting a restore operation that is neither KV nor full
224   @hide */
225   public static final int LOG_EVENT_ID_UNKNOWN_RESTORE_TYPE = 57;
226   /** The package is part of KeyValue restore
227   @hide */
228   public static final int LOG_EVENT_ID_KV_RESTORE = 58;
229   /** The package is part of Full restore
230   @hide */
231   public static final int LOG_EVENT_ID_FULL_RESTORE = 59;
232   /** Unable to fetch the nest restore target in the queue
233   @hide */
234   public static final int LOG_EVENT_ID_NO_NEXT_RESTORE_TARGET = 60;
235   /** An error occurred while attempting KeyValueRestore
236   @hide */
237   public static final int LOG_EVENT_ID_KV_AGENT_ERROR = 61;
238   /** Restore operation finished for the given package
239   @hide */
240   public static final int LOG_EVENT_ID_PACKAGE_RESTORE_FINISHED= 62;
241   /** A transport error happened during
242    * {@link PerformUnifiedRestoreTask#initiateOneRestore(PackageInfo, long)}
243   @hide */
244   public static final int LOG_EVENT_ID_TRANSPORT_ERROR_KV_RESTORE = 63;
245   /** Unable to instantiate the feeder thread in full restore
246   @hide */
247   public static final int LOG_EVENT_ID_NO_FEEDER_THREAD = 64;
248   /** An error occurred while attempting Full restore
249   @hide */
250   public static final int LOG_EVENT_ID_FULL_AGENT_ERROR = 65;
251   /** A transport error happened during a full restore
252   @hide */
253   public static final int LOG_EVENT_ID_TRANSPORT_ERROR_FULL_RESTORE = 66;
254   /** Start restore operation for a given package
255   @hide */
256   public static final int LOG_EVENT_ID_START_PACKAGE_RESTORE = 67;
257   /** Whole restore operation is complete
258   @hide */
259   public static final int LOG_EVENT_ID_RESTORE_COMPLETE = 68;
260   /** Agent error during {@link PerformUnifiedRestoreTask#restoreFinished()}
261    @hide */
262   public static final int LOG_EVENT_ID_AGENT_FAILURE = 69;
263   /** V to U restore attempt, pkg is eligible
264    @hide */
265   public static final int LOG_EVENT_ID_V_TO_U_RESTORE_PKG_ELIGIBLE = 70;
266   /** V to U restore attempt, pkg is not eligible
267    @hide */
268   public static final int LOG_EVENT_ID_V_TO_U_RESTORE_PKG_NOT_ELIGIBLE = 71;
269   /** V to U restore attempt, allowlist and denlist are set
270    @hide */
271   public static final int LOG_EVENT_ID_V_TO_U_RESTORE_SET_LIST = 72;
272   /** As part of package install, {@link PackageManager} invoked restore.
273    @hide */
274   public static final int LOG_EVENT_ID_RESTORE_AT_INSTALL_INVOKED = 73;
275   /** Skipping restore at package install
276    @hide */
277   public static final int LOG_EVENT_ID_SKIP_RESTORE_AT_INSTALL = 74;
278   /** Package is eligible and is accepted for restore
279    @hide */
280   public static final int LOG_EVENT_ID_PACKAGE_ACCEPTED_FOR_RESTORE = 75;
281   /** Restore data doesn't belong to the package for which restore is started
282    @hide */
283   public static final int LOG_EVENT_ID_RESTORE_DATA_DOES_NOT_BELONG_TO_PACKAGE = 76;
284   /** Unable to create BackupAgent for package for restore
285    @hide */
286   public static final int LOG_EVENT_ID_UNABLE_TO_CREATE_AGENT_FOR_RESTORE = 77;
287   /** BackupAgent crashed after creation but before accepting any data
288    @hide */
289   public static final int LOG_EVENT_ID_AGENT_CRASHED_BEFORE_RESTORE_DATA_IS_SENT = 78;
290   /** Failure in streaming restore data to BackupAgent
291    @hide */
292   public static final int LOG_EVENT_ID_FAILED_TO_SEND_DATA_TO_AGENT_DURING_RESTORE = 79;
293   /** BackupAgent related failure during restore
294    @hide */
295   public static final int LOG_EVENT_ID_AGENT_FAILURE_DURING_RESTORE = 80;
296   /** Failure in reading data from TransportPackage during restore
297    @hide */
298   public static final int LOG_EVENT_ID_FAILED_TO_READ_DATA_FROM_TRANSPORT = 81;
299 
300   /**
301    * This method will be called each time something important happens on BackupManager.
302    *
303    * @param event bundle will contain data about event:
304    *    - event id, not optional, a unique identifier for each event.
305    *    - package name, optional, the current package we're backing up/restoring if applicable.
306    *    - package version, optional, the current package version  we're backing up/restoring
307    *          if applicable.
308    *    - category of event, not optional, one of
309    *          { LOG_EVENT_CATEGORY_TRANSPORT,
310    *            LOG_EVENT_CATEGORY_AGENT,
311    *            LOG_EVENT_CATEGORY_BACKUP_MANAGER_POLICY}
312    *
313    */
onEvent(Bundle event)314   public void onEvent(Bundle event) {
315   }
316 }
317