Generate HTTP endpoints for environment sensors

- Move update request sanity checks to new method in handlers/util.go
- Change EnvironmentSensor.Value type because ParseFloat returns float64

handlers/state.go

@@ -9,7 +9,6 @@ import (
 
 	"gitlab.hamburg.ccc.de/ccchh/spaceapid/config"
 	"gitlab.hamburg.ccc.de/ccchh/spaceapid/types"
-	"gitlab.hamburg.ccc.de/ccchh/spaceapid/util"
 )
 
 func StateOpen(
@@ -17,31 +16,7 @@ func StateOpen(
 	resp *types.SpaceAPIResponseV14,
 ) func(http.ResponseWriter, *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// Check BasicAuth credentials
-		username, password, ok := r.BasicAuth()
-		if !ok || !util.CheckCredentials(authDB, validCredentials, username, password) {
-			log.Println("Unauthorized request from", r.RemoteAddr)
-			w.Header().Set("WWW-Authenticate", "Basic realm=\"space-api\"")
-			w.WriteHeader(http.StatusUnauthorized)
-			return
-		}
-
-		// Check if PUT method
-		if r.Method != http.MethodPut {
-			log.Println("Wrong METHOD from", r.RemoteAddr)
-			w.Header().Set("Allow", http.MethodPut)
-			w.WriteHeader(http.StatusMethodNotAllowed)
-			return
-		}
-
-		// Read request body
-		body, err := io.ReadAll(r.Body)
-		if err != nil {
-			log.Println("Failed to read request body from", r.RemoteAddr)
-			w.WriteHeader(http.StatusInternalServerError)
-			_, _ = io.WriteString(w, "Failed reading HTTP request body")
-			return
-		}
+		body := updateEndpointValidator(authDB, validCredentials, w, r)
 
 		// Parse request body
 		newState, err := strconv.ParseBool(string(body))