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Martyr2 / ValidIP.cs
Created Jun 1, 2017
A few utility functions for checking if an IP address is a IPv4 or IPv6 address.
View ValidIP.cs
/// <summary>
/// Checks if the supplied address string is an IPv4 version IP address.
/// </summary>
/// <param name="address">IP address to check for being IPv4 (minus any port)</param>
/// <returns>True if the address conforms to IPv4. False otherwise.</returns>
public static bool IsIPv4(string address)
{
string octetRegex = "([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])";
System.Text.RegularExpressions.Regex regEx = new System.Text.RegularExpressions.Regex(String.Format(@"^{0}\.{0}\.{0}\.{0}$", octetRegex));
@Martyr2
Martyr2 / EncryptDecrypt.cs
Created Jun 1, 2017
Simple encryption and decryption functions that make the process easy to use.
View EncryptDecrypt.cs
/// <summary>
/// Decrypts a string that was encrypted using the encrypt method in this library.
/// </summary>
/// <param name="input">Encrypted string in base 64</param>
/// <param name="key">Salt key used in encryption</param>
/// <returns>Decrypted string data</returns>
public static string Decrypt(string input, string key)
{
byte[] inputArray = Convert.FromBase64String(input);
@Martyr2
Martyr2 / GetRandomString.cs
Created Jun 1, 2017
Generates a random string of a specified length. Defaults to 25 characters.
View GetRandomString.cs
/// <summary>
/// Gets a random crypto string
/// </summary>
/// <param name="length">The length of the string to generate</param>
/// <remarks>Typically the length is 25</remarks>
/// <returns>Returns a random string of characters of length size.</returns>
public static string GetRandomString(int length = 25)
{
// Set the character space
string allowedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
@Martyr2
Martyr2 / GetVisitorIPAddress.cs
Created Jun 1, 2017
Gets the visitors IP address for an ASP.NET address. Will take a proxy address if real visitor IP is not forwarded along by the proxy.
View GetVisitorIPAddress.cs
/// <summary>
/// Get the IP address of the current client visiting the website.
/// </summary>
/// <returns>String representing the IP address</returns>
public static string GetVisitorIPAddress()
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
string ipAddress = context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (!string.IsNullOrEmpty(ipAddress)) {
@Martyr2
Martyr2 / Webhook.cs
Created Nov 27, 2016
A C# .NET Web API class for handling webhooks from Chargify. Supply the class with request headers and the request body from a incoming webhook event to have it work its magic.
View Webhook.cs
/// <summary>
/// Represents a webhook from Chargify.
/// </summary>
public class Webhook
{
private Dictionary<string, string> headerPayload = new Dictionary<string,string>();
private Dictionary<string, string> bodyPayload = new Dictionary<string, string>();
private string signatureHmacKey = string.Empty;
private string sharedSiteKey = <Chargify Store Site Key Here>;
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