public PKCE Build(CodeChallengeMethods method)
{
var result = new PKCE();
result.CodeVerifier = GetCodeVerifier();
result.CodeChallenge = GetCodeChallenge(result.CodeVerifier, method);
return(result);
}
/// <summary>
/// Gets the string respresentation of a <see cref="CodeChallengeMethods"/>.
/// </summary>
/// <param name="codeChallengeMethod">The <see cref="CodeChallengeMethods"/>.</param>
/// <returns>A <see cref="string"/> representing the <see cref="CodeChallengeMethods"/>.</returns>
public static string ParseCodeChallengeMethod(CodeChallengeMethods codeChallengeMethod)
{
string result = string.Empty;
if (codeChallengeMethod == CodeChallengeMethods.S256)
{
result = "S256";
}
return(result);
}
private static string GetCodeChallenge(string codeVerifier, CodeChallengeMethods method)
{
if (method == CodeChallengeMethods.Plain)
{
return(codeVerifier);
}
var hashed = SHA256.Create().ComputeHash(Encoding.ASCII.GetBytes(codeVerifier));
return(hashed.Base64EncodeBytes());
}
/// <summary>
/// Gets the string respresentation of a <see cref="CodeChallengeMethods"/>.
/// </summary>
/// <param name="codeChallengeMethod">The <see cref="CodeChallengeMethods"/>.</param>
/// <returns>A <see cref="string"/> representing the <see cref="CodeChallengeMethods"/>.</returns>
public static string ParseCodeChallengeMethod(CodeChallengeMethods codeChallengeMethod)
{
string result = string.Empty;
switch (codeChallengeMethod)
{
case CodeChallengeMethods.S256:
result = "S256";
break;
}
return(result);
}
