Fix Dashlane Cloudflare captcha by implementing official CLI protocol

example/Dashlane/Program.cs

@@ -8,13 +8,20 @@
 
 namespace PasswordManagerAccess.Example.Dashlane
 {
-    class TextUi : Ui
+    class TextUi(string totpSecret) : Ui
     {
         public override Passcode ProvideGoogleAuthPasscode(int attempt)
         {
             if (attempt > 0)
                 Bad("Google Authenticator code is invalid, try again");
 
+            if (!string.IsNullOrEmpty(totpSecret))
+            {
+                var totp = Util.CalculateGoogleAuthTotp(totpSecret);
+                Console.WriteLine($"Auto-generated TOTP: {totp}");
+                return new Passcode(totp, false);
+            }
+
             return GetPasscode($"Please enter Google Authenticator code {ToCancel}");
         }
 
@@ -35,6 +42,15 @@ public override Passcode ProvideEmailPasscode(int attempt)
             }
         }
 
+        public override bool OpenInBrowser(string url, int attempt)
+        {
+            Console.WriteLine("Please open the following URL in your browser to trigger the email token:");
+            Console.WriteLine(url);
+            Console.WriteLine("Press ENTER when you're done or type 'c' to cancel");
+
+            return Console.ReadLine()?.Trim().ToLower() != "c";
+        }
+
         //
         // Private
         //
@@ -83,12 +99,13 @@ static void Main(string[] args)
 
             var username = config["username"];
             var password = config["password"];
+            config.TryGetValue("google-auth-totp-secret", out var totpSecret);
 
             try
             {
                 // Fetch and parse first.
                 Console.WriteLine("Fetching and parsing the remote vault");
-                var vault = Vault.Open(username, password, new TextUi(), new PlainStorage());
+                var vault = Vault.Open(username, password, new TextUi(totpSecret), new PlainStorage());
 
                 // And then dump the accounts.
                 Console.WriteLine("The vault has {0} account(s) in it:", vault.Accounts.Length);

src/Dashlane/Account.cs

@@ -1,25 +1,6 @@
 // Copyright (C) Dmitry Yakimenko (detunized@gmail.com).
 // Licensed under the terms of the MIT license. See LICENCE for details.
 
-namespace PasswordManagerAccess.Dashlane
-{
-    public class Account
-    {
-        public Account(string id, string name, string username, string password, string url, string note)
-        {
-            Id = id;
-            Name = name;
-            Username = username;
-            Password = password;
-            Url = url;
-            Note = note;
-        }
+namespace PasswordManagerAccess.Dashlane;
 
-        public string Id { get; private set; }
-        public string Name { get; private set; }
-        public string Username { get; private set; }
-        public string Password { get; private set; }
-        public string Url { get; private set; }
-        public string Note { get; private set; }
-    }
-}
+public record Account(string Id, string Name, string Username, string Password, string Url, string Note);