feat: update CredentialProvider

Author: KirillKurdyukov

src/Ydb.Sdk/src/Ado/YdbConnectionStringBuilder.cs

@@ -220,14 +220,12 @@ public override object this[string keyword]
 
     internal Task<Driver> BuildDriver()
     {
-        var credentialsProvider = CredentialsProvider ??
-                                  (User != null ? new StaticCredentialsProvider(User, Password) : null);
         var cert = RootCertificate != null ? X509Certificate.CreateFromCertFile(RootCertificate) : null;
 
         return Driver.CreateInitialized(new DriverConfig(
             endpoint: Endpoint,
             database: Database,
-            credentials: credentialsProvider,
+            credentials: CredentialsProvider,
             customServerCertificate: cert,
             customServerCertificates: ServerCertificates
         )
@@ -237,7 +235,9 @@ internal Task<Driver> BuildDriver()
                 : TimeSpan.FromSeconds(KeepAlivePingDelay),
             KeepAlivePingTimeout = KeepAlivePingTimeout == 0
                 ? Timeout.InfiniteTimeSpan
-                : TimeSpan.FromSeconds(KeepAlivePingTimeout)
+                : TimeSpan.FromSeconds(KeepAlivePingTimeout),
+            User = User,
+            Password = Password
         }, LoggerFactory);
     }
 

src/Ydb.Sdk/src/Auth/AnonymousProvider.cs

@@ -1,13 +1,11 @@
-using Ydb.Sdk.Services.Auth;
-
-namespace Ydb.Sdk.Auth;
+namespace Ydb.Sdk.Auth;
 
 public interface ICredentialsProvider
 {
-    // For removal in 1.*
-    string? GetAuthInfo();
-
-    ValueTask<string?> GetAuthInfoAsync() => ValueTask.FromResult(GetAuthInfo());
-
-    Task ProvideAuthClient(AuthClient authClient) => Task.CompletedTask;
+    ValueTask<string> GetAuthInfoAsync();
 }
+
+public interface IAuthClient
+{
+    ValueTask<TokenResponse> FetchToken();
+}