🦋

pkg/api/handler/base.go

@@ -0,0 +1,49 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/aykhans/bsky-feedgen/pkg/api/response"
+	"github.com/whyrusleeping/go-did"
+)
+
+type BaseHandler struct {
+	WellKnownDIDDoc did.Document
+}
+
+func NewBaseHandler(serviceEndpoint *url.URL, serviceDID *did.DID) (*BaseHandler, error) {
+	serviceID, err := did.ParseDID("#bsky_fg")
+	if err != nil {
+		return nil, fmt.Errorf("service ID parse error: %v", err)
+	}
+
+	return &BaseHandler{
+		WellKnownDIDDoc: did.Document{
+			Context: []string{did.CtxDIDv1},
+			ID:      *serviceDID,
+			Service: []did.Service{
+				{
+					ID:              serviceID,
+					Type:            "BskyFeedGenerator",
+					ServiceEndpoint: serviceEndpoint.String(),
+				},
+			},
+		},
+	}, nil
+}
+
+type WellKnownDidResponse struct {
+	Context []string      `json:"@context"`
+	ID      string        `json:"id"`
+	Service []did.Service `json:"service"`
+}
+
+func (handler *BaseHandler) GetWellKnownDIDDoc(w http.ResponseWriter, r *http.Request) {
+	response.JSON(w, 200, WellKnownDidResponse{
+		Context: handler.WellKnownDIDDoc.Context,
+		ID:      handler.WellKnownDIDDoc.ID.String(),
+		Service: handler.WellKnownDIDDoc.Service,
+	})
+}