Start to support Overleaf 5.1.1

[armanddidierjean]

Hello,

This PR was made to try to make #50 progress.

I used two great sources to begin this pull request:

• Branch 5.0.6, by @smhaller was really interesting, but a bit complex: it did not support Overleaf 5.1.1 and tried to integrate new features like the TrackChange manager and the login page bypass when only OAuth is enabled.
• @davrot made really useful modifications in his fork but did not support the promise based syntax.

The purpose behind this PR is to propose only changes related to 5.1.1 support. This pull request does not provide a complete support for 5.1.1

Suggestions and review are really welcome. If this PR can help someone in the process of updating ldap-overleaf-sl to support Overleaf 5.1.1, feel free to use it and improve it.

Implemented changes

• Update diff files over overleaf 5.1.1 codebase
• Use the new promise based syntax instead of the previous callback based one
• Update environment variables to prefix them with OVERLEAF
• Use Mongo 5 in docker compose examples
• Replace navbar.pug by navbar-website-redesign.pug

OAuth 2

OAuth 2 was tried against a provider, and should work. Only a few changes were related to OAuth.

LDAP

LDAP features are partially updated for 5.1.1. Changes made are mostly related to the use of the promise based syntax.
Currently, LDAP features does not work, and are commented out in this PR.
If someone manages to fix them, help would be really appreciated.

Update to V5

Migrations steps are required to update to V5, especially for the database migration.
Users should also update environment variables and volume mounts : https://github.com/overleaf/overleaf/wiki/Release-Notes-5.x.x#mongodb-upgrade-to-v5
Documentation needs to be written on this subject

close #50

[yzx9]

Great work! It seems that there may be an issue with LDAP. I should have some time later to take a look at it.

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Updated: Sorry for the delay. I have to mention that this project requires a better development environment. it's quite difficult to debug with LDAP at the moment.

[maurerle]

Hi, is there any update on this?