OAuth Sequence Diagram Template とりあえず、OAuth のお勉強用にテンプレ化。Web Sequence Diagrams すげー便利だなー。 participant User participant Consumer participant "Service Provider" note over Consumer 6.1 Obtaining an Unauthorized Request Token end note Consumer->"Service Provider": "6.1.1. Consumer Obtains a Request Token" activate "Service Provider" "Service Provider"->Consumer: "6.1.2. Service Provider Issues an Unauth