Add CORS headers to backend responsesbackend-v2.0

Access-Control-Allow-Origin:* header added to API responses to allow
angular to access API.

Note: This allows all domains to access this API through browser javascript

See <https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS> for a
description of CORS

1 files changed, 4 insertions, 0 deletions

diff --git a/backend/main.go b/backend/main.go
index 4766de2..0a95fc8 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -31,6 +31,8 @@ func MakeAPIResponse(status int, msg string, data interface{}) *APIResponse {
 }
 
 func RecipeList(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*") //Enable CORS
+
 	if r.Method == "GET" {
 		var ids []int
 		var id int
@@ -137,6 +139,8 @@ func RecipeList(w http.ResponseWriter, r *http.Request) {
 }
 
 func SingleRecipe(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*") //Enable CORS
+
 	recipe_id, err := strconv.Atoi(r.URL.Path[len("/recipes/"):])
 	if err != nil {
 		fmt.Println("Not a valid ID")