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OAuth 2.0 Implicit Grant#

The Implicit Grant :

!!! OAuth 2.0 Security Best Current Practice absolutely discourages the use of Implicit flow. Instead, use Authorization code flow with PKCE -OAuth 2.0 for Browser-Based Apps. Further reading

Sequence Diagram#

sequenceDiagram

title Implicit flow
autonumber 1

participant Resource owner User
Client->>Jans AS:Authorization Request
activate Client
activate Jans AS
Resource owner User ->>Jans AS:User login and consent
Jans AS-->>Client:Access Token in the URI fragment
deactivate Client
deactivate Jans AS

Client ->>Jans AS:Validate Access Token
activate Client
activate Jans AS
Jans AS-->>Client:Validate response
deactivate Client
deactivate Jans AS

Client ->>Web - Hosted client resource:Call API with Access Token
activate Client
activate Jans AS
Jans AS-->>Client:Protected resource
deactivate Client
deactivate Jans AS
Last update: 2023-08-07
Created: 2023-01-10