testing with hard coded variable of the cozy stack caller

to check if the token post error is from a wrong redirect_uri stored in the document.

main.go

@@ -94,18 +94,64 @@ func main() {
 	
 	})
 
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	mux.HandleFunc("/test", func(w http.ResponseWriter, r *http.Request) {
 		query := r.URL.Query()
 		fmt.Println(query)
-		state := strings.Split(query.Get("state"), "-")[0]
-		host := strings.Split(query.Get("state"), "-")[1]
-		fmt.Println(host)
-		fmt.Println(state)
-		usagePointId := query.Get("usage_point_id")
-		code := query.Get("code")
-		redir := "https://" + host + "/accounts/enedisoauth/redirect?code=" + code + "&state="+ state +"&usage_point_id=" + usagePointId
-		fmt.Println(redir)
-		http.Redirect(w, r, redir, 302)
+		clientId := query.Get("client_id")
+		cozyOrigin := "hugo.pchugo.wf.alpha.grandlyon.com"
+		state := query.Get("state")
+		authReq := "https://gw.hml.api.enedis.fr/group/espace-particuliers/consentement-linky/oauth2/authorize?client_id="+ clientId +"&duration=P6M&redirect_uri=https://oauth-proxy.wf.alpha.grandlyon.com/&response_type=code&state="+ state +"-"+ cozyOrigin
+		fmt.Println(authReq)
+		response, err := http.Get(authReq)
+		if err != nil {
+			fmt.Println(err)
+		} else {
+			defer response.Body.Close()
+			contents, err := ioutil.ReadAll(response.Body)
+			if err != nil {
+				fmt.Println(err)
+			}
+			pageContent := string(contents)
+			codeStartIndex := strings.Index(pageContent, "?code=")
+			if codeStartIndex == -1 {
+				fmt.Println("No code found")
+			}
+			codeStartIndex += 6
+			codeEndIndex := strings.Index(pageContent, "&state=")
+			if codeEndIndex == -1 {
+				fmt.Println("No closing tag for code found.")
+			}
+			stateStartIndex := strings.Index(pageContent, "&state=")
+			if stateStartIndex == -1 {
+				fmt.Println("No state found")
+			}
+			stateStartIndex += 7
+			stateEndIndex := strings.Index(pageContent, "&usage_point_id=")
+			if stateEndIndex == -1 {
+				fmt.Println("No closing tag for state found.")
+			}
+			usageStartIndex := strings.Index(pageContent, "&usage_point_id=")
+			if usageStartIndex == -1 {
+				fmt.Println("No usage found")
+			}
+			usageStartIndex += 16
+			usageEndIndex := strings.Index(pageContent, "&usage_point_id=")
+			if usageEndIndex == -1 {
+				fmt.Println("No closing tag for usage found.")
+			}
+			usageEndIndex += 30
+			pageCode := string([]byte(pageContent[codeStartIndex:codeEndIndex]))
+			pageState := string([]byte(pageContent[stateStartIndex:stateEndIndex]))
+			pageUsage := string([]byte(pageContent[usageStartIndex:usageEndIndex]))
+			fmt.Printf("Page code: %s\n", pageCode)
+			fmt.Printf("Page state: %s\n", pageState)
+			fmt.Printf("Page usage: %s\n", pageUsage)
+			state := strings.Split(pageState, "-")[0]
+			host := strings.Split(pageState, "-")[1]
+			redir := "https://" + host + "/accounts/enedisoauth/redirect?code=" + pageCode + "&state="+ state +"&usage_point_id=" + pageUsage
+			fmt.Println(redir)
+			http.Redirect(w, r, redir, 302)
+		}
 	})
 
 	http.ListenAndServe(":"+strconv.Itoa(*httpPort), mux)