When linking - add the moodle account to the file and
organise it on the moodle side. Also allow read access with link,
but don't make any other changes to the perm/ownership.

Part of MDL-58220

Add options so the admin can control the types of files this repository can support (and the default).

Part of MDL-58220

Part of MDL-58220

We need to make sure our refresh tokens do not expire. We run a scheduled
task to update the refresh token once per hour.

Part of MDL-58220

Use latest REST API (v3) - but avoid the google client libraries
(too big, too much to update, not integrated with auth).

Part of MDL-58220

Part of MDL-58220

Provide a link to the help for setting up an OAuth 2 service.

Part of MDL-58220

Part of MDL-58220

Part of MDL-58220

Part of MDL-58220

Edit the DB files with XMLDB to detect/fix errors.

Part of MDL-58220

Instead provide buttons to quickly create pre-configured
versions of any of the known OAuth 2 services.

Part of MDL-58220

Request an oauth client with an access token retrieved with the stored refresh token from the OAuth issuer.

Part of MDL-58220

Add defaults for facebook authentication and drop behaviour field completely.

Part of MDL-58220

OAuth services working fully from config - no more subclasses for each OAuth issuer.

Part of MDL-58220

Allow the behaviour of each oauth service to be customised by config instead of
subclasses.

Part of MDL-58220

Build an admin page where OAuth 2 services can be installed and configured.

Part of MDL-58220

Long history resumed: The test relies on the first group
being the first that is created, the first group is
actually the first one ordering by name. If  is
group-999 and  is group-1000  is returned
as the first group.

It was using the pre-integration version where a group was mandatory