2016-03-21 16:41:40 +01:00
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# FROM: https://github.com/w3c/webpayments/tree/gh-pages/PaymentFlows
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@startuml
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2016-08-26 16:25:33 +02:00
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autonumber
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2016-03-21 16:41:40 +01:00
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Participant "Payee (Merchant) Site" as Payee
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Actor "Payer (Shopper) Browser" as Payer
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participant "Payer (Shopper) PSP (PayPal)" as CPSP
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note over MPSP, CPSP: HTTPS
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title PayPal Payment (REST API) (Current)
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Payee->Payer: Present Checkout Page with Pay Button
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Payer->Payer: Select PayPal Payment Method
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Payer-\Payee: Payment Page Request
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Payee<->CPSP: Create Payment
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Payee-/Payer: HTTP Redirect
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Note right: HTTP Direct now send the shopper to the PayPal site
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Payer-\CPSP: Payment Initiation
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CPSP-/Payer: Authentication Page
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Payer-\CPSP: Authenticate
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note right: Typically a username & password
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CPSP-/Payer: Payment Page
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opt
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Payer<->CPSP: Instrument Choice
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note right: Payer can change from default payment instrument
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end
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Payer->Payer: Approval
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Payer-\CPSP: Payment Approval
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CPSP-/Payer: Payment Response Redirect
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Payer-\Payee: Payment Response
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Payee<->CPSP: Execute Payment
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Payee-/Payer: Result Page
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... asynchronous notification ...
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CPSP->Payer: Payment Notification (email)
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Opt
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Payee->Payer: Payment Notification (email)
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End
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Note right: Provides out of band confirmation to protect against failure/modification at browser
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@enduml
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