@startuml oauth2-implicit.png

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Copyright 2012-2013 ForgeRock AS

To generate a sequence diagram from this file, process

it with PlantUML, http://plantuml.sourceforge.net/sequence.html

'/

title OAuth 2.0 Implicit Grant

autonumber

participant "Resource Owner\nUser-Agent" as Owner

participant "Client" as Client

participant "OpenAM\nAuthorization Server" as AuthzServer

participant "Web-Hosted Client Resource" as ClientResource

participant "Resource Server" as ResourceServer

Client->Owner: Redirect...

Owner->AuthzServer: ...with client_id, scope, state, redirect_uri

Owner<->AuthzServer: Authenticate resource owner and\nconfirm resource access

AuthzServer->Owner: Redirect with redirect_uri, access token in URI fragment...

Owner->ClientResource: ...to request redirect_uri without the fragment

ClientResource->Owner: Return web page with embedded script to extract access token

Owner->Owner: Execute script to retrieve access token

Owner->Client: Return access token

Client->ResourceServer: Request resource with access token

ResourceServer->AuthzServer: Request access token validation and information

AuthzServer->ResourceServer: If access token is valid, respond with information

ResourceServer->Client: If access token is valid, return protected resource

@enduml