Implement a dedicated plugin for SSO functionalities

[HungNgien]

Add UI for setting page of generating sso keys

Add sign-in buttons for MediaWiki, Google and Github

This PR resolves #454

Summary by Sourcery

Implement a dedicated plugin for SSO functionalities, including UI for generating SSO keys and sign-in buttons for MediaWiki, Google, and GitHub. Enhance the global settings with SSO configuration capabilities and update project dependencies to support social authentication.

New Features:

• Introduce a dedicated plugin for Single Sign-On (SSO) functionalities, allowing users to log in using MediaWiki, Google, and GitHub accounts.
• Add a new UI for generating SSO keys, providing a user-friendly interface for managing OAuth applications.

Enhancements:

• Enhance the global settings view by adding a new SSO configuration form and view, enabling administrators to manage OAuth applications directly from the admin panel.

Build:

• Add 'django-allauth' and its social account providers to the project dependencies, facilitating social authentication.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR implements a dedicated SSO (Single Sign-On) plugin that enables social login functionality through MediaWiki, Google, and GitHub. The implementation includes a new UI for managing OAuth applications and keys, integration with Django Allauth for social authentication, and the necessary backend infrastructure to support these features.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added SSO management interface in the admin panel	Created new SSOView class to handle OAuth application management Implemented form for generating new OAuth applications Added interface for viewing and deleting existing OAuth applications Created template for SSO management page	src/pretix/control/views/global_settings.py src/pretix/control/forms/global_settings.py src/pretix/control/templates/pretixcontrol/global_sso.html src/pretix/control/urls.py src/pretix/control/navigation.py
Implemented social authentication plugin infrastructure	Created custom social account adapter for handling authentication errors Implemented authentication backends for MediaWiki, Google, and GitHub Added OAuth return view for handling social login callbacks Set up plugin configuration and initialization	src/pretix/plugins/socialauth/adapter.py src/pretix/plugins/socialauth/backends.py src/pretix/plugins/socialauth/views.py src/pretix/plugins/socialauth/apps.py src/pretix/plugins/socialauth/urls.py
Configured Django Allauth integration	Added Django Allauth and its social account providers to installed apps Configured authentication backends to include Allauth Set up social account provider settings for MediaWiki, Google, and GitHub Added Allauth URL patterns	src/pretix/settings.py src/pretix/urls.py pyproject.toml

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#454	Implement SSO functionality in a dedicated plugin with support for eventyay-talk and video	✅
#454	Add support for additional SSO providers (Wikipedia/Wikimedia, Google, GitHub)	✅
#454	Add a section in the admin dashboard for SSO configuration	✅

Possibly linked issues

• Implement a dedicated plugin for SSO functionalities #454: The PR implements the SSO functionalities requested in the issue, including MediaWiki, Google, and GitHub.
• Implement a dedicated plugin for SSO functionalities #454: The PR implements SSO functionalities, directly addressing the issue's requirement for SSO options.

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[sourcery-ai]

Hey @HungNgien - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding user feedback for authentication failures instead of silently redirecting to index in the CustomSocialAccountAdapter
• Add a confirmation dialog before allowing OAuth application deletion to prevent accidental removals

Here's what I looked at during the review

• 🟡 General issues: 2 issues found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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