Software Design

SSO Identity Provider Integration Flow

Use Case Diagrams · made in Skemio

Use case diagram showing IT Admin claiming domains, configuring SAML metadata, and external IdP driving Just-In-Time user provisioning and group mapping.
Use case diagram showing IT Admin claiming domains, configuring SAML metadata, and external IdP driving Just-In-Time user provisioning and group mapping.
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What it shows

  • Claim apex domains via DNS TXT records before activating SAML or OIDC
  • Use Just-In-Time (JIT) provisioning to automatically hydrate user records
  • Map SAML attribute statements to default tenant roles during callback verification

The takeaway

Verify domain ownership prior to metadata exchange to prevent account takeover risks in multi-tenant SSO.

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