refactor(Configurations): move to common

EnvelopeGenerator.Application/Common/Configurations/AuthenticatorParams.cs

@@ -0,0 +1,33 @@
+namespace EnvelopeGenerator.Application.Common.Configurations;
+
+/// <summary>
+/// 
+/// </summary>
+public class AuthenticatorParams
+{
+    /// <summary>
+    /// Default value is 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890123456789012345678901234567890123456789'
+    /// </summary>
+    public string CharPool { get; init; } = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890123456789012345678901234567890123456789";
+
+    //TODO: Increase the DefaultTotpSecretKeyLength (e.g. to 32) but make sure that the QR code is generated correctly and can be scanned by the authenticator.
+    /// <summary>
+    /// Default value is 20
+    /// </summary>
+    public int DefaultTotpSecretKeyLength { get; init; } = 20;
+
+    /// <summary>
+    /// Default value is 
+    /// </summary>
+    public string TotpIssuer { get; init; } = "signFlow";
+
+    /// <summary>
+    /// 0 is user email, 1 is secret key and 2 is issuer.
+    /// </summary>
+    public string TotpUrlFormat { get; init; } = "otpauth://totp/{0}?secret={1}&issuer={2}";
+
+    /// <summary>
+    /// Default value is 20.
+    /// </summary>
+    public int TotpQRPixelsPerModule { get; init; } = 20;
+}