Implement secure oidc logout endpoint and sql function #1141
+389
−25
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Add a secure OIDC logout endpoint and a
sqlpage.oidc_logout_urlfunction to provide CSRF-protected logout functionality.The logout endpoint uses HMAC-signed tokens for CSRF protection, as SQLPage functions cannot directly set cookies for traditional CSRF tokens. This ensures the logout link is self-verifying and secure. It also handles redirection to the OIDC provider's
end_session_endpointif available, otherwise performs local logout.