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technical-visualization-haness/.work/keycloak-four-patterns/final/assets/ap3-bff-architecture/ap3-bff-architecture.mmd
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2026-07-29 18:03:21 +09:00

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%% AP3는 browser session을 BFF-owned Bearer 요청으로 바꾼다
%% question: AP3에서 OAuth token 없는 브라우저 요청은 어느 경계를 지나 내부 Resource Server Bearer 요청이 되는가?
flowchart LR
subgraph g_browser_session_zone["Browser session boundary"]
n0(["Browser"])
end
subgraph g_server_application_zone["Server-side application path"]
n1["Spring BFF"]
n2[("Authorized-client store")]
n3["Internal Resource Server"]
end
n0 -->|"AP3_SESSION · /bff/api/me"| n1
n1 -->|"현재 authorized client 조회"| n2
n1 -->|"downstream Bearer 요청"| n3
classDef external stroke-dasharray: 6 4
class n0 external