proxy de imagem para suportar imagem em canvas

controller.go

@@ -11,6 +11,7 @@ import (
 	"log"
 	"io/ioutil"
 	"encoding/json"
+	"github.com/parnurzeal/gorequest"
 )
 
 type DefaultMessage struct {
@@ -284,6 +285,22 @@ func PostSalvarTime(response http.ResponseWriter, request *http.Request) {
 }
 
 
+func Proxy(response http.ResponseWriter, request *http.Request) {
+	url := request.URL.Query().Get("url")
+	if url == "" {
+		response.WriteHeader(http.StatusNoContent)
+		return
+	}
+	responseProxy, by, errs := gorequest.New().Get(url).EndBytes()
+	if len(errs) > 0 {
+		response.WriteHeader(http.StatusNoContent)
+		return
+	}
+	response.Header().Set("content-type", responseProxy.Header.Get("content-type"))
+	response.Write(by)
+	response.WriteHeader(responseProxy.StatusCode)
+}
+
 
 func responseDefault(w http.ResponseWriter) {
 	w.Header().Set("Access-Control-Allow-Origin", "*")

routes.go

@@ -24,4 +24,6 @@ func BuildRoutes(mux *chi.Mux){
 	mux.Post("/login/cartolafc", PostLogin)
 	mux.Get("/time/info", GetMeuTime)
 	mux.Post("/time/salvar", PostSalvarTime)
+
+	mux.Get("/proxy", Proxy)
 }