reworked auth

validators.js

@@ -1,15 +1,235 @@
+function validate_housenumber(housenumber){
 
-function validate_password(password) {
-    var re = /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}$/;
-
-    if(re.test(password)){
-        if(password.length > 8 && password.length < 255){
-            return true
-        }
+    if(!housenumber){
+        return "error_housenumber_invalid";
     }
-    return false;
+
+    if(housenumber.length < 1){
+        return "error_housenumber_short";
+    }
+
+    if(housenumber.length > 20){
+        return "error_housenumber_long";
+    }
+
+    if(!housenumber.match(/^[0-9]*$/)){
+        return "error_housenumber_invalid";
+    }
+
+    return 0;
+}
+
+function validate_postcode(postcode){
+
+    if(!postcode){
+        return "error_postcode_invalid";
+    }
+
+    if(postcode.length < 1){
+        return "error_postcode_short";
+    }
+
+    if(postcode.length > 20){
+        return "error_postcode_long";
+    }
+
+    if(!postcode.match(/^[0-9]*$/)){
+        return "error_postcode_invalid";
+    }
+
+    return 0;
+}
+
+
+function validate_country(country){
+
+    if(!country){
+        return "error_country_invalid";
+    }
+
+    if(country.length < 1){
+        return "error_country_short";
+    }
+
+    if(country.length > 80){
+        return "error_country_long";
+    }
+
+    if(!country.match(/^[a-zA-Zßäöü-\s]*$/)){
+        return "error_country_invalid";
+    }
+
+    return 0;
+}
+
+function validate_city(city){
+
+    if(!city){
+        return "error_city_invalid";
+    }
+
+    if(city.length < 1){
+        return "error_city_short";
+    }
+
+    if(city.length > 80){
+        return "error_city_long";
+    }
+
+    if(!city.match(/^[a-zA-Zßäöü-\s]*$/)){
+        return "error_city_invalid";
+    }
+
+    return 0;
+}
+
+function validate_street(street){
+
+    if(!street){
+        return "error_street_invalid";
+    }
+
+    if(street.length < 1){
+        return "error_street_short";
+    }
+
+    if(street.length > 80){
+        return "error_street_long";
+    }
+
+    if(!street.match(/^[a-zA-Zßäöü.-\s]*$/)){
+        return "error_street_invalid";
+    }
+
+    return 0;
+}
+
+function validate_gender(gender){
+
+    if(!gender){
+        return "error_gender_invalid";
+    }
+
+    if(gender.length < 1){
+        return "error_gender_short";
+    }
+
+    if(gender.length > 15){
+        return "error_gender_long";
+    }
+
+    if(!gender.match(/^[a-zA-Z0-9ßäöü.-\s]*$/)){
+        return "error_gender_invalid";
+    }
+
+    return 0;
+}
+
+function validate_lastname(lastname){
+    
+    if(!lastname){
+        return "error_lastname_invalid"     
+    }
+
+    if(lastname.length < 1){
+        return "error_lastname_short";
+    }
+
+    if(lastname.length > 80){
+        return "error_lastname_long";
+    }
+
+    if(!lastname.match(/^[a-zA-Z0-9ßäöü-]*$/)){
+        return "error_lastname_invalid";
+    }
+
+    return 0;
+}
+
+function validate_username(username){
+    
+    if(!username){
+        return "error_username_invalid";
+    }
+
+    if(username.length < 3){
+        return "error_username_short";
+    }
+
+    if(username.length > 30){
+        return "error_username_long";
+    }
+
+    if(!username.match(/^[a-zA-Z0-9_]*$/)){
+        return "error_username_invalid";
+    }
+
+    return 0;
+}
+
+function validate_firstname(firstname){
+    if(!firstname){
+        return "error_firstname_invalid2";
+    }
+
+    if(firstname.length < 1){
+        return "error_firstname_length_short";
+    }
+
+    if(firstname.length > 80){
+        return "error_firstname_length_long";
+    }
+
+    if(!firstname.match(/^[a-zA-Z0-9ßäöü]*$/)){
+        return "error_firstname_invalid";
+    }
+
+    return 0;
+}
+
+function validate_email(email){
+    if(!email){
+        return "error_email_invalid";
+    }
+
+    if(email.length < 3 || !email.includes("@") || !email.includes(".")){
+        return "error_email_invalid"
+    } 
+
+    return 0;
+    
+}
+
+function validate_passwords(password, confirm_password) {
+    const maxLength = 200;
+    const minLength = 8;
+
+    if(!password){
+        return "error_password_invalid"
+    }
+
+    if(password.length < minLength){
+        return "error_password_short"
+    }
+
+    if(password.length > maxLength){
+        return "error_password_long"
+    }
+
+    // check password for invalid character
+    if(!password.match(/^[a-zA-Z0-9!@#$%^&*.,;:]*$/)){
+        return "error_password_invalid"
+    }
+
+    if(password != confirm_password){
+        return "error_password_mismatch"
+    }
+
+
+    return 0;
 }
 
 module.exports = {
-    validate_password
+    validate_passwords, validate_email , validate_username, validate_firstname,
+     validate_lastname, validate_gender, validate_street, validate_country, validate_city, validate_postcode, validate_housenumber
 }