Martyr2

/// <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

/// <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

/// <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

/// <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

/// <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>;