introspect

pkg/op/token_intospection.go

@@ -0,0 +1,58 @@
+package op
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/caos/oidc/pkg/oidc"
+	"github.com/caos/oidc/pkg/utils"
+)
+
+type Introspector interface {
+	Decoder() utils.Decoder
+	Crypto() Crypto
+	Storage() Storage
+	AccessTokenVerifier() AccessTokenVerifier
+}
+
+func introspectionHandler(introspector Introspector) func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		Introspect(w, r, introspector)
+	}
+}
+
+func Introspect(w http.ResponseWriter, r *http.Request, introspector Introspector) {
+	//validate authorization
+
+	response := oidc.NewIntrospectionResponse()
+	token, err := ParseTokenInrospectionRequest(r, introspector.Decoder())
+	if err != nil {
+		utils.MarshalJSON(w, response)
+		return
+	}
+	tokenID, subject, ok := getTokenIDAndSubject(r.Context(), introspector, token)
+	if !ok {
+		utils.MarshalJSON(w, response)
+		return
+	}
+	err = introspector.Storage().SetUserinfoFromToken(r.Context(), response, tokenID, subject, r.Header.Get("origin"))
+	if err != nil {
+		utils.MarshalJSON(w, response)
+		return
+	}
+	response.SetActive(true)
+	utils.MarshalJSON(w, response)
+}
+
+func ParseTokenInrospectionRequest(r *http.Request, decoder utils.Decoder) (string, error) {
+	err := r.ParseForm()
+	if err != nil {
+		return "", errors.New("unable to parse request")
+	}
+	req := new(oidc.IntrospectionRequest)
+	err = decoder.Decode(req, r.Form)
+	if err != nil {
+		return "", errors.New("unable to parse request")
+	}
+	return req.Token, nil
+}