1. https://s1.ulsu.ru:8443/realms/ulsu/protocol/openid-connect/auth?client_id=test-oidc&client_secret=619ah0KYlB1swu8GCeTsaPf2v9poo2Yk&redirect_uri=https%3A%2F%2Fmarket.ulsu.ru%2Fcallback.php&response_type=code&scope=openid&code_challenge=p4cEqliKei0yxnw3AfEDrgkwCimhtWlTFsqXR6-uGfY&code_challenge_method=S256