From 93d32309e876bccb98285a4b7504a5e16c5f156e Mon Sep 17 00:00:00 2001
From: "Sven.Schmalle" <sven.schmalle@ta-logistic.de>
Date: Thu, 21 Nov 2019 11:57:54 +0100
Subject: [PATCH] Die Fotos werden jetzt nicht mehr im Browser angezeigt,
 sondern zum Download angeboten

---
 main.go        | 19 +++++++++++++++++++
 web/index.html |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 38413ea..87e5554 100644
--- a/main.go
+++ b/main.go
@@ -26,6 +26,7 @@ func main() {
 	router.HandleFunc("/folder/{foldername:.*}", getFolderContent).Methods("GET")
 	router.HandleFunc("/qr/{qrlink:.*}", getQRCode).Methods("GET")
 	router.HandleFunc("/thumb/{imgname:.*}", getThumbNail).Methods("GET")
+	router.HandleFunc("/imgdl/{imgname:.*}", getImageDownload).Methods("GET")
 	router.PathPrefix("/img/").Handler(http.StripPrefix("/img/", http.FileServer(http.Dir(imgPath)))).Methods("GET")
 	router.PathPrefix("/").Handler(http.FileServer(http.Dir("web"))).Methods("GET")
 	log.Fatal(http.ListenAndServe(":8000", router))
@@ -108,6 +109,24 @@ func getThumbNail(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func getImageDownload(w http.ResponseWriter, r *http.Request) {
+
+	// Variablen auswerten
+	params := mux.Vars(r)
+	pIMGName := params["imgname"]
+
+	//  Originaldatei öffnen, welche angefragt wird
+	src, err := imaging.Open(imgPath + "/" + pIMGName)
+	if err != nil {
+		log.Fatalf("failed to open image: %v", err)
+	}
+
+	w.Header().Set("Content-Disposition", "attachment; filename=Fotobox_"+pIMGName)
+
+	png.Encode(w, src)
+
+}
+
 //--------------------------------------------------------------------------
 // Hilfsfunktionen
 //--------------------------------------------------------------------------
diff --git a/web/index.html b/web/index.html
index 2e266c7..ef96dd8 100644
--- a/web/index.html
+++ b/web/index.html
@@ -76,7 +76,7 @@
 						var ObjInhalt = content[i];	
 						$("#Ordner").append(""+
 						"<img src=\""+ServerAPI+"/thumb/"+folder+"/"+ObjInhalt+"\" width=200>"+
-						"<a href=\""+ServerAPI+"/img/"+folder+"/"+ObjInhalt+"\">"+
+						"<a href=\""+ServerAPI+"/imgdl/"+folder+"/"+ObjInhalt+"\">"+
 						ObjInhalt+"</a><hr>");
 					}
 				}