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smart-app-launch

README.md

SMART App Launch with Aidbox and Keycloak

This demo showcases the Smart App EHR and Patient launch flows.

Components

  1. Aidbox FHIR server with SMART-on-FHIR support.
  2. Keycloak
    Identity and Access Management solution that integrates with Aidbox through the IdentityProvider resource.
  3. Growth Chart Smart App
    A SMART pediatric web application that displays patient growth charts based on their observations.
  4. Demo Launcher Page
    A web page that emulates EHR patient context selection.

Prerequisites

To clone the repository and navigate to the smart-app-launch directory, run:

git clone [email protected]:Aidbox/examples.git && cd examples/smart-app-launch

Step 1: Run Demo Components

Start all the demo components by running:

docker compose up

Wait until all components are pulled and started. The components are accessible at:

Step 2: Open launcher Page

Open the Demo Launcher Page.

  • Left Side: A list of patients retrieved from Aidbox, simulating EHR patient context selection.

  • Right Side: A Patient Standalone Launch with a pre-selected patient context, simulating a launch directly from the SMART App.

Step 3: Perform EHR Launch

3.1 Select a patient from the list on the left side and click the Launch Growth Chart App button to start the launch process.
3.2 On the Aidbox login screen, click the Sign in with Keycloak button.
3.3 Log in to Keycloak with username patient and password password
3.4 On the consent screen, allow all requested scopes.
3.5 View the patient's data in the Growth Chart app.

Step 4: Perform Patient Standalone Launch

4.1 Go back to the Demo Launcher
4.2 On the right side of the screen, click the Launch Growth Chart App button under Patient Standalone Launch.
4.2 On the consent screen, allow all requested scopes.
4.3 View the patient's data in the Growth Chart app.

EHR Launch Interaction Diagram

sequenceDiagram
    actor Customer as User
    participant EHR as EHR <br> (Demo Launcher)
    participant Aidbox as Aidbox 
    participant Keycloak as Keycloak 
    participant Smart App as Growth Chart <br> (SMART App)
    Note right of EHR: Communicates with Aidbox <br> using HTTP basic auth
    Customer ->> EHR: Launch Smart App
    activate EHR
    EHR ->> Smart App: Launch context
    deactivate EHR
    activate Smart App
    Smart App ->> Aidbox: Redirect to /auth/login?response_type=code&client_id....
    deactivate Smart App
    activate Aidbox
    Aidbox ->> Keycloak: Redirect to Keycloak Login page 
    deactivate Aidbox
    activate Keycloak 
    Note right of Keycloak: Login with Keycloak credentials
    Keycloak ->> Aidbox: Response with code
    deactivate Keycloak
    activate Aidbox
    Aidbox ->> Keycloak: Request to exchange code to token
    deactivate Aidbox 
    activate Keycloak 
    Keycloak ->> Aidbox: Return token 
    deactivate Keycloak
    activate Aidbox
    Aidbox ->> Keycloak: Request user info
    deactivate Aidbox 
    activate Keycloak
    Keycloak ->> Aidbox: Return user info 
    deactivate Keycloak
    activate Aidbox
    Aidbox ->> Aidbox: Create User resource in Aidbox  
    Aidbox ->> Customer: Show the Grant screen 
    deactivate Aidbox 
    activate Customer
    Customer ->> Aidbox: Allow requested scopes  
    deactivate Customer
    activate Aidbox
    Aidbox ->> Aidbox: Check granted permissions
    Aidbox ->> Smart App: Redirect with code
    deactivate Aidbox 
    activate Smart App
    Smart App ->> Aidbox: Request /auth/token <br> to exchange code to token
    deactivate Smart App
    activate Aidbox
    Aidbox ->> Smart App: Return token
    deactivate Aidbox 
    activate Smart App
    Smart App ->> Aidbox: Request /Observation and /Patient/<pt-id> with token
    deactivate Smart App
    activate Aidbox
    Aidbox ->> Aidbox: Validate scopes from token
    Aidbox ->> Smart App: Return Observations and Patient
    deactivate Aidbox 
    activate Smart App
    Smart App ->> Customer: Show patient's data
    deactivate Smart App
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