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Validate ip address and port

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Stef
2021-11-17 21:54:34 +01:00
parent dc8b43574f
commit 78b3557635
1 changed files with 27 additions and 3 deletions
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30
Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/ViewModels/AddConnectionViewModel.cs
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@@ -9,7 +9,9 @@
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Text.RegularExpressions;
using Acr.UserDialogs;
using Xamarin.Essentials;
using Xamarin.Forms;
@@ -41,7 +43,7 @@ namespace Xamarin.Neo4j.ViewModels
Commands.Add("Test", new Command(async () =>
{
// TODO: Validate input.
if (!ValidateInput()) return;
var connectionString = BuildConnectionString();
@@ -52,7 +54,7 @@ namespace Xamarin.Neo4j.ViewModels
Commands.Add("Save", new Command(async () =>
{
// TODO: Validate input.
if (!ValidateInput()) return;
var connectionString = BuildConnectionString();
@@ -70,7 +72,7 @@ namespace Xamarin.Neo4j.ViewModels
Commands.Add("Connect", new Command(async () =>
{
// TODO: Validate input.
if (!ValidateInput()) return;
var connectionString = BuildConnectionString();
@@ -103,6 +105,28 @@ namespace Xamarin.Neo4j.ViewModels
};
}
private bool ValidateInput()
{
// Username and Password not checked because username- and passwordless connections are allowed
var ipRegex = new Regex(@"\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b");
var portRegex = new Regex(@"^([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$");
if (!ipRegex.IsMatch(Host))
{
UserDialogs.Instance.AlertAsync("Incorrect host format");
return false;
}
if (!portRegex.IsMatch(Port.ToString()))
{
UserDialogs.Instance.AlertAsync("Incorrect port format");
return false;
}
return true;
}
#region Bindable Properties
public bool Encrypted