codeant-ai-for-open-source[bot] commented on PR #38606:
URL: https://github.com/apache/superset/pull/38606#issuecomment-4052985266
## **Sequence Diagram**
This PR enables the frontend to support SAML auth by consuming SAML
providers from bootstrap config and rendering provider login buttons. It also
ensures federated SAML flow works end to end by skipping recaptcha in bootstrap
config and exempting the SAML ACS callback from CSRF checks.
```mermaid
sequenceDiagram
participant User
participant LoginPage
participant Backend
participant IdP
User->>LoginPage: Open sign in page
LoginPage->>Backend: Request bootstrap auth config
Backend->>Backend: Build SAML auth config and skip recaptcha
Backend-->>LoginPage: Return auth type and provider list
LoginPage-->>User: Render SAML provider buttons
User->>Backend: Start SAML login with selected provider
IdP->>Backend: Post SAML response to ACS endpoint
Backend-->>User: Accept callback and complete login
```
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