Update authenticated example - set token in echo context.. (oapi-codegen#917)

sblackstone · web-flow · commit d8fc91f69309 · 2023-05-05T14:52:58.000-07:00
* Update authenticated example so that we demonstate how to make the token available to the handlers

* Favor key instead of string
diff --git a/examples/authenticated-api/echo/server/jwt_authenticator.go b/examples/authenticated-api/echo/server/jwt_authenticator.go
@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"strings"
 
+	"github.com/deepmap/oapi-codegen/pkg/middleware"
 	"github.com/getkin/kin-openapi/openapi3filter"
 	"github.com/lestrrat-go/jwx/jwt"
 )
@@ -17,6 +18,8 @@ type JWSValidator interface {
 	ValidateJWS(jws string) (jwt.Token, error)
 }
 
+const JWTClaimsContextKey = "jwt_claims"
+
 var (
 	ErrNoAuthHeader      = errors.New("Authorization header is missing")
 	ErrInvalidAuthHeader = errors.New("Authorization header is malformed")
@@ -73,6 +76,12 @@ func Authenticate(v JWSValidator, ctx context.Context, input *openapi3filter.Aut
 	if err != nil {
 		return fmt.Errorf("token claims don't match: %w", err)
 	}
+
+	// Set the property on the echo context so the handler is able to
+	// access the claims data we generate in here.
+	eCtx := middleware.GetEchoContext(ctx)
+	eCtx.Set(JWTClaimsContextKey, token)
+
 	return nil
 }
 
