Merge pull request #10641 from overleaf/jpa-fix-passport-saml-authn-context

[server-pro] fix parsing of authnContext in passport-saml options

GitOrigin-RevId: c02ad92caff5d6ccff1fff70e5ccefb08154e624

server-ce/settings.js

@@ -582,7 +582,9 @@ if (process.env.SHARELATEX_SAML_ENTRYPOINT) {
       identifierFormat: process.env.SHARELATEX_SAML_IDENTIFIER_FORMAT,
       attributeConsumingServiceIndex:
         process.env.SHARELATEX_SAML_ATTRIBUTE_CONSUMING_SERVICE_INDEX,
-      authnContext: process.env.SHARELATEX_SAML_AUTHN_CONTEXT,
+      authnContext:
+        process.env.SHARELATEX_SAML_AUTHN_CONTEXT &&
+        process.env.SHARELATEX_SAML_AUTHN_CONTEXT.split(','),
       authnRequestBinding: process.env.SHARELATEX_SAML_AUTHN_REQUEST_BINDING,
       validateInResponseTo: process.env.SHARELATEX_SAML_VALIDATE_IN_RESPONSE_TO,
       cacheProvider: process.env.SHARELATEX_SAML_CACHE_PROVIDER,