Implement banner images in a more standard way

cmd/frontend/images.go

@@ -5,6 +5,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
@@ -69,20 +70,8 @@ func UploadBanner(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate
 			return
 		}
 
-		base64Img, err := b.ServeBase64Image(c, filename)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data := new(struct {
-			BannerImage string
-			URL         string
-		})
-
-		data.BannerImage = base64Img
-		data.URL = c.Domain + "/image/serve/" + filename
+		data := new(struct{ BannerImage string })
+		data.BannerImage = filename
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/" + htmlFile)
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, htmlTemplate, data); err != nil {
@@ -92,3 +81,22 @@ func UploadBanner(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate
 		}
 	}
 }
+
+func ServeImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if _, err := getSession(w, r, c, s); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		absFilepath, err := filepath.Abs(c.PicsDir)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		http.ServeFile(w, r, absFilepath+"/"+r.PathValue("img"))
+	}
+}