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204 commits

Author SHA1 Message Date
Torsten Grote
783e676be2
Optimize the restore of a single application (e.g. auto restore) 
This restores only the @pm@ keys that are really needed
and thus speeds up installation with auto restore considerably
when using cloud storage such as NextCloud for example.
 2020-01-14 10:17:37 -03:00
Torsten Grote
43184f4d23
Add note to auto-restore setting in case removable storage is used 
This warns the user that auto-restore will only work when their storage
is plugged in.
 2020-01-14 10:17:37 -03:00
Torsten Grote
22be36e2a7
When an app could not be restored, show the likely reason for it 2020-01-14 10:11:17 -03:00
Torsten Grote
74183d40d6
Add system app flag to metadata and check before installing system apps 
that they are present as an older system app on the restore system.

Also ignore system apps without data to backup.
 2020-01-14 10:11:17 -03:00
Torsten Grote
2a4ff39531
Simplify PackageService and use standard PackageManager 
@stevesoltys this removes your old way of retreiving installed packages
via getInstalledPackages(0, UserHandle.USER_SYSTEM) as I couldn't find a
difference to the official way.

Also IGNORED_PACKAGES isn't needed anymore since
filterAppsEligibleForBackupForUser() already filters those out.
 2020-01-14 07:45:41 -03:00
Torsten Grote
fea53a759f
Also back-up APKs of apps that are not allowed to have their data backed up 2020-01-14 07:45:41 -03:00
Torsten Grote
3d296e1335
Also back up APKs of apps that have no data or are above quota 
This should also affect apps that have other errors during the backup
process, but it does not affect apps that opt-out of backup completely.

First part of #65
 2020-01-14 07:45:41 -03:00
Torsten Grote
3f73119b52
Show restore data progress bar and improve readability of log messages 2020-01-14 07:45:40 -03:00
Torsten Grote
1924db7779
Move date restore view state into ViewModel to survive configuration changes 2020-01-14 07:45:40 -03:00
Torsten Grote
5632f11878
Show when package restore failed 2020-01-14 07:45:40 -03:00
Torsten Grote
9f01d09962
Don't get or write to full backup output stream before we are not sure there will be data to write 2020-01-14 07:45:39 -03:00
Torsten Grote
7b27242625
Show apps that we could not restore data for 2020-01-14 07:45:39 -03:00
Torsten Grote
690017c050
Only back up APK and write metadata when app was actually backed up 
Apps that have nothing to back up start a backup but then get a call to cancelFullBackup()
and never even call finishBackup().
Do not write metadata for such apps, the call got moved to finishBackup().
 2020-01-14 07:45:39 -03:00
Torsten Grote
2f352fe828
Show list of packages that we could restore data for 2020-01-14 07:45:39 -03:00
Torsten Grote
96a4642f4f
Show list of re-installed apps and let the user review it before restoring data 2020-01-14 07:45:38 -03:00
Torsten Grote
debaca0e2c
Ignore RestoreSets with no last backup time 2020-01-14 07:45:38 -03:00
Torsten Grote
f562857514
Expose APK backup feature as a setting, so the user can disable it 
The user might not want to have their apps copied to the storage,
because it is very slow or for other reasons.
 2020-01-14 07:45:38 -03:00
Torsten Grote
7605762631
Re-install backed-up APKs before restoring from backup 2020-01-14 07:45:37 -03:00
Torsten Grote
569e3db385
Fix device initialization and generation of new backup tokens 2020-01-14 07:45:37 -03:00
Torsten Grote
81c2031ce7
Back up APKs to storage (when they changed) and save metadata about them 2020-01-14 07:45:37 -03:00
Torsten Grote
b9cac5ea87
Introduce MetadataManager to handle all metadata related to backups 
This now updates the metadata on remote storage and internal cache
after each successful package backup.
 2020-01-14 07:45:36 -03:00
Torsten Grote
e1d55c8a4e
Add information about packages to backup metadata 
This will be needed when backing up APKs.

ATTENTION: This is a breaking change, we only do because the app hasn't
been released.
 2020-01-14 07:45:36 -03:00
Steve Soltys
01098a4d97
Merge pull request #60 from grote/check-messages 
Encrypt values of key/value backups with multiple segments if needed
 2019-12-22 20:24:33 -05:00
Torsten Grote
58a8f29b51
Encrypt values of key/value backups with multiple segments if needed 
This turned out to be necessary, because some values on production
devices are exceeding the maximum segment size.
 2019-12-19 08:55:57 -03:00
Torsten Grote
177e714001
Add error messages for unexpected state to ease debugging 2019-12-18 15:50:34 -03:00
Torsten Grote
94c7663daf
Use dependency injection with Koin 2019-12-17 09:56:45 -03:00
Torsten Grote
137e8033a7
Update time of backup progress notifications 2019-12-16 09:11:53 -03:00
Torsten Grote
d30cb309ca
Be more forgiving when checking available restore sets 2019-12-16 09:11:53 -03:00
Torsten Grote
440491425a
Work around DocumentFile bug happening with cloud-based DocumentsProviders 
These might return outdated or now content when queried,
then check their cloud storage and report back with up-to-date content.
We now detect this (when looking for backups on newly setup storage)
and wait until the content has been loaded before acting on the
response.

This is affecting and was tested with NextCloud.
 2019-12-16 09:11:52 -03:00
Torsten Grote
bbc8bdfaa5
Allow the user to leave the recovery code input if called from setup wizard 2019-12-11 13:48:00 -03:00
Torsten Grote
791f68300d
Allow to setup NextCloud account during restore 
This is especially useful when restore is only allowed during
SetupWizard and the backup was stored on a NextCloud account.
 2019-12-11 13:48:00 -03:00
Steve Soltys
cf86c57760
Merge pull request #52 from grote/about-page 
Add About page
 2019-12-07 15:13:01 -05:00
Torsten Grote
88a250ff5c
Use separate dev config and document existing config 
Attention: This also changes the action to launch restore activity
 2019-12-06 12:33:50 -03:00
Torsten Grote
49ce4b393f
Add a configurable white-list for backup storage 2019-12-06 12:21:49 -03:00
Torsten Grote
3093e3a789
Add About DialogFragment reachable from main overflow menu 2019-12-06 09:31:48 -03:00
Steve Soltys
32f558faf1 Rebrand application as 'Seedvault' 2019-10-28 21:57:47 -04:00
Torsten Grote
c9a29810fc
Remove unused code and resources 2019-09-25 11:04:24 -03:00
Torsten Grote
d81c355799
Advance a step when returning to SetupWizard from restore 2019-09-25 11:04:23 -03:00
Torsten Grote
470b5a2ccf
Tolerate backup attempts when flash drive is not plugged in 
Also remove hardcoding of PACKAGE_MANAGER_SENTINEL constant
 2019-09-23 10:29:01 -03:00
Torsten Grote
08018fcc9b
Do not allow manual backup/restore operations when removable storage is not available 2019-09-23 10:10:28 -03:00
Torsten Grote
cc2bb4a651
When selecting USB storage, do a backup right away 
This is because USB drives are rarely plugged in,
so we should use every chance we get to do a backup.
 2019-09-23 10:10:27 -03:00
Torsten Grote
26f23e95fe
Disable automatic backups when a removable USB flash drive is used 
as storage location.

The backup backoff time is not reliable for this as the system still
attempts to backup the magic @pm@ package without checking for the
backoff value.
 2019-09-23 10:10:27 -03:00
Torsten Grote
2c4d44c5b9
Grant MANAGE_USB permission, so we can get USB serial numbers 
This is needed to reliably identify USB mass storage devices.
If someone has several identical thumb drives,
this prevents a backup from being performed when non-backup drives get attached.
 2019-09-23 10:10:27 -03:00
Torsten Grote
007dd7759d
Save the time of the last backup and only do automatic flash drive backups once a day 
This commit also turns SettingsManager into a class, so we can mock
and later also inject it.
 2019-09-23 10:10:27 -03:00
Torsten Grote
b0386c8b66
Start backup automatically when flash drive used for backup is plugged in 2019-09-23 10:10:26 -03:00
Torsten Grote
650642068e
Don't try to do backups if storage is not available 2019-09-23 10:10:26 -03:00
Torsten Grote
bf28bc3338
Truncate files when writing to them explicitly 
For some reason this wasn't an issue on Pie,
but an instrumentation test caught the change in behavior on Q.
 2019-09-20 09:42:59 -03:00
Torsten Grote
e659892278
Fix CI by running tests with newer Java version, but target JDK 8 2019-09-19 12:52:31 -03:00
Torsten Grote
37ffacbafe
Upgrade to Android 10 (Q) 
If somebody wants the backup app to work on a lower Android version,
they need to maintain a branch for that which uses and targets the old API.
 2019-09-19 09:17:42 -03:00
Torsten Grote
8adb94c6c9
Explicitly tint storage root icons for system dark theme 2019-09-19 07:54:28 -03:00
Torsten Grote
0e5f9cff0f
Remove the progress bar for restore operation as progress reporting is bugyy 
This also adds an additional warning when the user is using ejectable storage
 2019-09-18 09:26:32 -03:00
Torsten Grote
55d92aec39
Adapt UI and text to the different use-cases (backup vs. restore) 2019-09-17 15:48:59 -03:00
Torsten Grote
10ad6d6b2d
Improve error message when no backups could be found for restore 2019-09-17 12:14:53 -03:00
Torsten Grote
54ad762eb1
Save more information about current storage location 
Show storage name in settings
 2019-09-17 12:14:53 -03:00
Torsten Grote
c6f83647b2
Show recovery code from top to bottom instead of from left to right 
This way it is easier to enter it.
 2019-09-17 12:14:53 -03:00
Torsten Grote
4efaa08881
Show notification right away when requesting manual backup 2019-09-17 12:14:53 -03:00
Torsten Grote
6d8178f6b1
Use the MANAGE_DOCUMENTS permission to show possible storage locations 
This also auto-grants the needed Uri permission,
so the user does not need to go through the OS folder selection activity.
 2019-09-17 12:14:51 -03:00
Torsten Grote
7455f4afb9
Remove READ_PHONE_STATE permission 2019-09-17 12:14:41 -03:00
Torsten Grote
9cede639f3
When restoring, ask for location first and then restore code 
This also checks if there's a backup at the chosen location
and requires the user to select another once,
if we can not find a backup.
 2019-09-11 17:26:03 -03:00
Torsten Grote
af43c6154d
Get rid of device folders, use unix epoch as backup token and store it 2019-09-11 15:26:10 -03:00
Torsten Grote
8b6656a350
Read RestoreSets from encrypted backup metadata file 2019-09-10 16:46:26 -03:00
Torsten Grote
f9c8b657a0
Write an encrypted metadata file for each restore set 2019-09-10 16:46:25 -03:00
Torsten Grote
044ef01ba1
Do not generate new 12-word code when restoring 
Also allow auto-completion when entering the 12-word code.
This makes testing and entering the code easier
and does not compromise security as the word list is public anyway.
 2019-09-10 13:35:58 -03:00
Torsten Grote
1a7fdfa59a
Implement restoring of backup and show progress in UI 
Note that the progress view is not exact as the progress reporting of
AOSP seems to be buggy.
 2019-09-10 13:35:58 -03:00
Torsten Grote
491789e8e0
Add a RestoreActivity that lists available RestoreSets (backups) 
and allows the user to select one to get restored.
 2019-09-10 13:35:57 -03:00
Torsten Grote
aa3aad8fb3
Return actually available RestoreSets 
Before, we were always returnign a dummy RestoreSet,
if one was actually available or not.

Now, we also include the device name.
Note that it is planned to store the actual device name
and other metadata in an encrypted file
so that the backup server will not learn it.
 2019-09-10 13:35:57 -03:00
Torsten Grote
c714a4e7e1
Show error notification when backup fails 
The implementation is rudimentary for now.
E.g. The notification is only shown when a device init fails
which seems to be triggered after the first failure.
 2019-09-02 17:07:21 -03:00
Torsten Grote
683268a15f
Add a unit test for checking word list integrity 
Also does minor clean-ups
 2019-09-02 17:03:44 -03:00
Torsten Grote
74aa62a264
Add instrumentation test for testing AES/GCM nonces are really unique 2019-09-02 09:47:53 -03:00
Torsten Grote
e955e021fd
Add a simple instrumentation test for testing on real devices 2019-09-02 09:47:52 -03:00
Torsten Grote
2685f2b48a
Don't show rejected packages (usually 0 size) as failed 
Also change notification ID to not collide with Nextcloud's ID.
 2019-09-02 09:47:52 -03:00
Torsten Grote
e2a3e3d2b7
Raise importance of backup notifications to show them in status bar 2019-09-02 09:47:52 -03:00
Torsten Grote
bd968be0b1
Remove BackupJobService as the OS is scheduling its own backups 2019-09-02 09:47:52 -03:00
Torsten Grote
a6e971609c
Implement clearing full backup data from storage 2019-09-02 09:47:51 -03:00
Torsten Grote
1ee443a3d8
Add a unique ID to the device folder name to avoid collisions 
when using several devices of the same model with the same account
 2019-09-02 09:47:51 -03:00
Torsten Grote
2ce625ac87
Huge refactoring of backup transport 
* to get rid of global state
* to have a testable architecture
* to allow for authenticated encryption
* to have a backup format version
* to potentially allow for other storage plugins
 2019-09-02 09:47:49 -03:00
Chirayu Desai
6136f589c1 Android.mk: Download prebuilt apk instead of building it 
* With the upcoming changes, and the increasing number of external
  libraries being used, plus the usage of Kotlin, it's getting harder
  and harder to build this with the AOSP build system.
* It's best to leverage the existing gradle build system instead,
  and use the apk that builds.
* Add a script which downloads the apk matching the tag if a tag is
  checked out, otherwise downloads the latest.
 2019-07-31 23:22:35 +05:30
Torsten Grote
7b1e63a37f
Fix Travis CI and add build cache 
Also remove relicts from Android.mk file
 2019-07-26 11:41:45 +02:00
Torsten Grote
87b25aa4ec
Re-implement manual backup run and show notification during manual backups 2019-07-09 10:41:58 +02:00
Torsten Grote
4c79d41963
Show Backup Location screen before letting user choose backup folder 
This screen can also be reached by tapping the previously inactive backup location setting.
 2019-07-09 10:25:30 +02:00
Torsten Grote
3e64c3686f
Use Android's hardware-backed keystore to store backup key 
This commit also disables the old UI as it does not work with the new key
 2019-07-08 13:21:32 +02:00
Torsten Grote
66c0919eb5
Let user write down recovery code on first start 2019-07-08 13:21:32 +02:00
Torsten Grote
ee6cf38312
Migrate SettingsActivity and Fragment to Kotlin 2019-07-04 08:45:23 +02:00
Torsten Grote
c801502e81
Migrate SettingsManager to Kotlin 2019-07-04 08:25:37 +02:00
Torsten Grote
3d5911d41d
Add a SettingsViewModel in Kotlin including the Kotlin deps 2019-07-03 19:44:37 +02:00
Torsten Grote
b983414295
Add custom settings UI 2019-07-03 12:46:55 +02:00
Torsten Grote
3981d3d8cc
Use latest stable AndroidX libraries 2019-07-03 12:46:54 +02:00
Torsten Grote
7fd3810fbf
Add AndroidX dependencies 2019-06-17 10:34:49 -03:00
Torsten Grote
7b95256ba5
Fix detection of the end of backup 
For the current transport it is important to know when the backup ends,
because it resets its state only then and closes the ZIP file.

The detection was broken,
because some packages didn't have data to back up (LOG_EVENT_ID_NO_DATA_TO_SEND),
so the transport's methods weren't called and the package counter not updated.

The hacky solution is to use the BackupObserver to call back into the
transport at the end of backup.
Ideally, future transports won't need to know when the backup finishes.
 2019-06-14 16:33:05 -03:00
Torsten Grote
84d91290ac
Let the BackupManager know that we use client-side encryption 2019-06-14 16:33:04 -03:00
Torsten Grote
2f2fba8305
Pre-select all packages and give option to unselect all 2019-06-14 16:33:04 -03:00
Torsten Grote
ad89ea4187
Use new IBackupManager API to filter eligable packages 
There's also a bit of refactoring for simplifying the PackageService
usage.

Fixes #26 by adding com.android.externalstorage to ignore list
 2019-06-14 07:04:21 -03:00
Torsten Grote
3a9aec56b2
Upgrade android.jar to API 28 2019-06-14 07:04:19 -03:00
Torsten Grote
d678566967
Exclude key-value backup apps for now 
We do this as a temporary fix, because our backup methods are not called
which are updating the package counter. So our mechanism to find out
about the end of the backup is broken. Excluding key-value backups fixes
it for now.
 2019-06-12 11:01:56 -03:00
Torsten Grote
7fcd9aa091
Resolve review comments about backup compontent refactoring 2019-06-12 09:19:38 -03:00
Torsten Grote
92ce6c1a5c
Refactor transport components to eliminate need to initialize and reset transport 2019-06-11 20:53:44 -03:00
Torsten Grote
b17a55ac57
Target API 28 2019-06-11 11:57:10 -03:00
Torsten Grote
2037291f81
Don't start transport service in foreground 
Start it on-deman instead.

This way, we don't need a foreground service and thus can target API 28
 2019-06-11 10:18:20 -03:00
Torsten Grote
540147470d
Allow the user to schedule full background backups 2019-06-11 09:28:03 -03:00
Torsten Grote
8a0fe3c513
Store backup passphrase insecurely for now 
This is being done to implement automatic background updates
and not supposed to be part of a release.

The backup key will later be generated and shown to the user instead of
allowing them to choose their own.
 2019-06-05 16:45:04 -03:00