Add public endpoint to expose images

server/middlewares.go

@@ -5,9 +5,11 @@ import (
 	"fmt"
 	"io/fs"
 	"net/http"
+	"net/url"
 	"strings"
 	"time"
 
+	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/cors"
 
 	"github.com/go-chi/chi/v5/middleware"
@@ -199,3 +201,26 @@ func firstOr(or string, strings ...string) string {
 	}
 	return or
 }
+
+// URLParamsMiddleware convert Chi URL params (from Context) to query params, as expected by our REST package
+func URLParamsMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		ctx := chi.RouteContext(r.Context())
+		parts := make([]string, 0)
+		for i, key := range ctx.URLParams.Keys {
+			value := ctx.URLParams.Values[i]
+			if key == "*" {
+				continue
+			}
+			parts = append(parts, url.QueryEscape(":"+key)+"="+url.QueryEscape(value))
+		}
+		q := strings.Join(parts, "&")
+		if r.URL.RawQuery == "" {
+			r.URL.RawQuery = q
+		} else {
+			r.URL.RawQuery += "&" + q
+		}
+
+		next.ServeHTTP(w, r)
+	})
+}