reset encryptionVersion to '1' if a file was stream copied

[schiessle]

reset encryptionVersion to '1' if a file was stream copied, because this means that we basically write the file from scratch

Steps to test:

• enable server side encryption
• relogin
• create a non-empty text file
• copy the file to a sub folder with the copy operation of the web interface
• try to open the copy (fails if the file was copied without this PR and works if the file was copied with this PR)

fix#8989

[rullzer]

🐘

[MorrisJobke]

Tested and works 👍

[MorrisJobke]

Unit tests fail:

1) Test\Files\Storage\Wrapper\EncryptionTest::testCopyBetweenStorage with data set #0 (true, true, true)
Expectation failed for method name is equal to "put" when invoked 1 time(s)
Parameter 1 for invocation OC\Files\Cache\Cache::put('file.txt', Array (...)) does not match expected value.
Failed asserting that two arrays are equal.
--- Expected
+++ Actual
@@ @@
Array (
'encrypted' => true
- 'encryptedVersion' => 12345
+ 'encryptedVersion' => 1
/drone/src/github.com/nextcloud/server/lib/private/Files/Storage/Wrapper/Encryption.php:682
/drone/src/github.com/nextcloud/server/lib/private/Files/Storage/Wrapper/Encryption.php:761
/drone/src/github.com/nextcloud/server/tests/lib/TestCase.php:210
/drone/src/github.com/nextcloud/server/tests/lib/Files/Storage/Wrapper/EncryptionTest.php:814

[codecov]

Codecov Report

Merging #9018 into master will decrease coverage by 16.93%.
The diff coverage is 0%.

@@ Coverage Diff @@## master #9018 +/- ##
=============================================
- Coverage 51.89% 34.95% -16.94% + Complexity 25282 25281 -1 
=============================================
Files 1601 1601 Lines 94959 94957 -2 Branches 1388 1388 =============================================
- Hits 49278 33196 -16082 - Misses 45681 61761 +16080

Impacted Files	Coverage Δ	Complexity Δ
lib/private/Files/Storage/Wrapper/Encryption.php	49.76% <0%> (-21.47%)	144 <7> (+1)
apps/user_ldap/lib/GroupPluginManager.php	0% <0%> (-100%)	17% <0%> (ø)
core/Command/TwoFactorAuth/Disable.php	0% <0%> (-100%)	4% <0%> (ø)
.../Contacts/ContactsMenu/Providers/EMailProvider.php	0% <0%> (-100%)	4% <0%> (ø)
lib/public/RichObjectStrings/Definitions.php	0% <0%> (-100%)	2% <0%> (ø)
lib/private/App/AppStore/Version/Version.php	0% <0%> (-100%)	3% <0%> (ø)
...s/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php	0% <0%> (-100%)	7% <0%> (ø)
...ware/Security/Exceptions/NotConfirmedException.php	0% <0%> (-100%)	1% <0%> (ø)
...curity/Exceptions/StrictCookieMissingException.php	0% <0%> (-100%)	1% <0%> (ø)
apps/files/lib/Activity/Settings/FileDeleted.php	0% <0%> (-100%)	8% <0%> (ø)
... and 522 more

[schiessle]

test should be fixed now... if all tests passed this can be merged

[MorrisJobke]

@schiessle Please also remove the backport-request label once you opened the backport PR ;)