Provides functionality for async postprocessing. This will allow the system to do the
postprocessing (virusscan, copying of bytes to their final destination, ...) asynchronous
to the users request. Major change when active.

#3531

Enhancement #3571: Async Upload Improvements

Collection of smaller fixes and quality of life improvements for async postprocessing,
especially the upload part. Contains unit tests, 0 byte uploads, adjusted endpoint responses
and more. Adjust mtime when requested from upload. Add etag to upload info.

Https://github.com/cs3org/reva/pull/3556

#3571

Enhancement #3801: Cache node ids

Decomposedfs now keeps an in-memory cache for node ids, sparing a lot of ReadLink calls.

#3801

Enhancement #3690: Check set project space quota permission

Instead of checking for set-space-quota we now check for Drive.ReadWriteQuota.Project
when changing project space quotas.

#3690

Enhancement #3686: User disabling functionality

Check if users are enabled or disabled

#3686

Enhancement #160: Implement the CS3 Lock API in the EOS storage driver

cs3org/cs3apis#160
#2444

Enhancement #3575: Fix skip group grant index cleanup

Turn off the index cleanup for group grants, it doesn't exist and can therefore be skipped.

#3575

Enhancement #3564: Fix tag pkg

tags pkg needed an option to build the tags struct from a slice of tags. Here it is

#3564

Enhancement #3756: Prepare for GDPR export

Prepares GDPR export (export of all data related to a user)

#3756

Enhancement #3612: Group feature changed event added

We added a group feature changed event.

#3612

Enhancement #3729: Improve decomposedfs performance, esp. with network fs/cache

We improved the performance of decomposedfs, esp. in scenarios where network storage and
caches are involed.

#3729

Enhancement #3697: Improve the ini file metadata backend

We improved the ini backend for file metadata: - Improve performance - Optionally use a reva
cache for storing the metadata, which helps tremendously when using distributed file
systems, for example - Allow for using different metadata backends for different storages

We also switched the s3ng integration tests to the ini backend so we cover both the xattrs and the
ini backend at the same time.

#3697

Enhancement #3819: Allow creating internal links without permission

Allows creating/updating/deleting internal links without PublicLink.Write permission

#3819

Enhancement #3740: Limit concurrency in decomposedfs

The number of concurrent goroutines used for listing directories in decomposedfs are now
limited to a configurable number.

#3740

Enhancement #3569: Always list shares jail when listing spaces

Changes spaces listing to always include the shares jail, even when no shares where received.
If there are no received shares the shares jail will have the etag value DECAFC00FEE.

owncloud/ocis#5190
#3569

Enhancement #3788: Make resharing configurable

Resharing was always on previously. This makes resharing configurable via the capability

#3788

Enhancement #3674: Introduce ini file based metadata backend

We added a new metadata backend for the decomposed storage driver that uses an additional
.ini file to store file metadata. This allows scaling beyond some filesystem specific xattr
limitations.

#3674
#3649

Enhancement #3728: Automatically migrate file metadata from xattrs to messagepack

We added a migration which transparently migrates existig file metadata from xattrs to the new
messagepack format.

#3728

Enhancement #3807: Name Validation

Make name validation in ocdav configurable and add a new validation: max lenght

#3807

Enhancement #3574: Opaque space group

Extend the opaque map to contain an identifier to see if it is a user or group grant.

#3574

Enhancement #3598: Pass estream to Storage Providers

Similar to the data providers we now pass the stream to the New func. This will reduce
connections from storage providers to nats.

#3598

Enhancement #3763: Add a capability for personal data export

Personal data export needs to be hidden behind a capability

#3763

Enhancement #3577: Prepare for SSE

Prepare for server sent events with some minor changes

#3577

Enhancement #3731: Add config option to enforce passwords on public links

Added a new config option to enforce passwords on public links with "Uploader, Editor,
Contributor" roles.

#3731
#3716
#3698

Enhancement #3693: Enforce the PublicLink.Write permission

Added checks for the "PublicLink.Write" permission when creating or updating public links.

#3693

Enhancement #3497: Introduce owncloud 10 publiclink manager

We can now manage the public links in the oc_share table of an owncloud 10 database.

#3497

Enhancement #3714: Add global max quota option and quota for CreateHome

Added a global max quota option to limit how much quota can be assigned to spaces. Added a max
quota value in the spacescapabilities. Added a quota parameter to CreateHome. This is a
prerequisite for setting a default quota per usertypes.

#3714
#3682
#3678
#3671