refactor: Add Go 1.22 HTTP method matching

go.mod

@@ -1,3 +1,3 @@
 module git.hamburg.ccc.de/ccchh/spaceapid
 
-go 1.21
+go 1.22

handlers/util.go

@@ -10,8 +10,7 @@ import (
 	"git.hamburg.ccc.de/ccchh/spaceapid/util"
 )
 
-// updateEndpointValidator checks BasicAuth credentials,
-// checks for correct HTTP method and then returns the request body
+// updateEndpointValidator checks BasicAuth credentials and then returns the request body
 func updateEndpointValidator(
 	authDB config.HTTPBACredentials, validCredentials []config.HTTPBACredentialID,
 	w http.ResponseWriter, r *http.Request,
@@ -24,13 +23,6 @@ func updateEndpointValidator(
 		return []byte{}, errors.New(fmt.Sprintf("Unauthorized request from %s Username: %s Password: %s", r.RemoteAddr, username, password))
 	}
 
-	// Check if PUT method
-	if r.Method != http.MethodPut {
-		w.Header().Set("Allow", http.MethodPut)
-		http.Error(w, "", http.StatusMethodNotAllowed)
-		return []byte{}, errors.New(fmt.Sprintf("Wrong Method: %s from %s at %s", r.Method, r.RemoteAddr, r.RequestURI))
-	}
-
 	// Read request body
 	body, err := io.ReadAll(r.Body)
 	if err != nil {

main.go

@@ -51,20 +51,20 @@ func main() {
 	}(&conf.Response)
 
 	// Register HTTP handlers
-	http.HandleFunc("/",
+	http.HandleFunc("GET /{$}",
 		handlers.Root(&conf.Response),
 	)
-	http.HandleFunc("/state/open",
+	http.HandleFunc("PUT /state/open",
 		handlers.StateOpen(conf.Credentials, conf.Dynamic.State.Open.AllowedCredentials, &conf.Response.State),
 	)
-	// Register handlers for environmental sensors
+	// Register handler for environmental sensors
 	for sensorType, envSensorConfigs := range conf.Dynamic.Sensors {
 		for i, envSensorConfig := range envSensorConfigs {
-			urlPath := util.GetSensorURLPath(
+			urlPattern := "PUT " + util.GetSensorURLPath(
 				sensorType, envSensorConfig.SensorData.Location, envSensorConfig.SensorData.Name,
 			)
 			http.HandleFunc(
-				urlPath,
+				urlPattern,
 				handlers.EnvironmentSensor(
 					conf.Credentials, envSensorConfig.AllowedCredentials, &conf.Response.Sensors[sensorType][i],
 				),