♻️ Refactor OpenID: Phase 3: Async Flow Modernization
- Added async GetAuthorizationUrlAsync() methods to all OIDC providers - Updated base OidcService with abstract async contract and backward-compatible sync wrapper - Modified OidcController to use async authorization URL generation - Removed sync blocks using .GetAwaiter().GetResult() in Google provider - Maintained backward compatibility with existing sync method calls - Eliminated thread blocking and improved async flow throughout auth pipeline - Enhanced scalability by allowing non-blocking async authorization URL generation
This commit is contained in:
		@@ -17,6 +17,11 @@ public class AfdianOidcService(
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    protected override string DiscoveryEndpoint => ""; // Afdian doesn't have a standard OIDC discovery endpoint
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    protected override string ConfigSectionName => "Afdian";
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    public override Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        return Task.FromResult(GetAuthorizationUrl(state, nonce));
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    }
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    public override string GetAuthorizationUrl(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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@@ -90,4 +95,4 @@ public class AfdianOidcService(
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            throw;
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        }
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    }
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}
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}
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@@ -27,6 +27,30 @@ public class AppleOidcService(
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    protected override string DiscoveryEndpoint => "https://appleid.apple.com/.well-known/openid-configuration";
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    protected override string ConfigSectionName => "Apple";
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    public override async Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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        var discoveryDocument = await GetDiscoveryDocumentAsync();
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        if (discoveryDocument?.AuthorizationEndpoint == null)
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        {
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            throw new InvalidOperationException("Authorization endpoint not found in discovery document");
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        }
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        var queryParams = BuildAuthorizationParameters(
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            config.ClientId,
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            config.RedirectUri,
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            "name email",
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            "code id_token",
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            state,
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            nonce,
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            "form_post"
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        );
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        var queryString = string.Join("&", queryParams.Select(p => $"{p.Key}={Uri.EscapeDataString(p.Value)}"));
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        return $"{discoveryDocument.AuthorizationEndpoint}?{queryString}";
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    }
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    public override string GetAuthorizationUrl(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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@@ -276,4 +300,4 @@ public class AppleKey
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        return Convert.FromBase64String(output);
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    }
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}
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}
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@@ -16,6 +16,11 @@ public class DiscordOidcService(
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    protected override string DiscoveryEndpoint => ""; // Discord doesn't have a standard OIDC discovery endpoint
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    protected override string ConfigSectionName => "Discord";
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    public override Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        return Task.FromResult(GetAuthorizationUrl(state, nonce));
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    }
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    public override string GetAuthorizationUrl(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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@@ -111,4 +116,4 @@ public class DiscordOidcService(
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            Provider = ProviderName
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        };
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    }
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}
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}
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@@ -16,6 +16,11 @@ public class GitHubOidcService(
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    protected override string DiscoveryEndpoint => ""; // GitHub doesn't have a standard OIDC discovery endpoint
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    protected override string ConfigSectionName => "GitHub";
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    public override Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        return Task.FromResult(GetAuthorizationUrl(state, nonce));
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    }
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    public override string GetAuthorizationUrl(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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@@ -123,4 +128,4 @@ public class GitHubOidcService(
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        public bool Primary { get; set; }
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        public bool Verified { get; set; }
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    }
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}
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}
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@@ -19,10 +19,10 @@ public class GoogleOidcService(
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    protected override string DiscoveryEndpoint => "https://accounts.google.com/.well-known/openid-configuration";
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    protected override string ConfigSectionName => "Google";
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    public override string GetAuthorizationUrl(string state, string nonce)
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    public override async Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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        var discoveryDocument = GetDiscoveryDocumentAsync().GetAwaiter().GetResult();
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        var discoveryDocument = await GetDiscoveryDocumentAsync();
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        if (discoveryDocument?.AuthorizationEndpoint == null)
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        {
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@@ -48,7 +48,7 @@ public class GoogleOidcService(
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        // Store code verifier in cache for later token exchange
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        var codeVerifierKey = $"pkce:{state}";
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        cache.SetAsync(codeVerifierKey, codeVerifier, TimeSpan.FromMinutes(15)).GetAwaiter().GetResult();
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        await cache.SetAsync(codeVerifierKey, codeVerifier, TimeSpan.FromMinutes(15));
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        var queryString = string.Join("&", queryParams.Select(p => $"{p.Key}={Uri.EscapeDataString(p.Value)}"));
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        return $"{discoveryDocument.AuthorizationEndpoint}?{queryString}";
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@@ -20,6 +20,27 @@ public class MicrosoftOidcService(
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    protected override string ConfigSectionName => "Microsoft";
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    public override async Task<string> GetAuthorizationUrlAsync(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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        var discoveryDocument = await GetDiscoveryDocumentAsync();
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        if (discoveryDocument?.AuthorizationEndpoint == null)
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            throw new InvalidOperationException("Authorization endpoint not found in discovery document.");
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        var queryParams = BuildAuthorizationParameters(
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            config.ClientId,
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            config.RedirectUri,
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            "openid profile email",
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            "code",
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            state,
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            nonce
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        );
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        var queryString = string.Join("&", queryParams.Select(p => $"{p.Key}={Uri.EscapeDataString(p.Value)}"));
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        return $"{discoveryDocument.AuthorizationEndpoint}?{queryString}";
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    }
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    public override string GetAuthorizationUrl(string state, string nonce)
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    {
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        var config = GetProviderConfig();
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@@ -120,4 +141,4 @@ public class MicrosoftOidcService(
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            Provider = ProviderName
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        };
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    }
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}
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}
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@@ -43,7 +43,7 @@ public class OidcController(
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                await cache.SetAsync($"{StateCachePrefix}{state}", oidcState, StateExpiration);
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                // The state parameter sent to the provider is the GUID key for the cache.
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                var authUrl = oidcService.GetAuthorizationUrl(state, nonce);
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                var authUrl = await oidcService.GetAuthorizationUrlAsync(state, nonce);
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                return Redirect(authUrl);
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            }
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            else // Otherwise, proceed with the login / registration flow
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@@ -54,7 +54,7 @@ public class OidcController(
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                // Create login state with return URL and device ID
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                var oidcState = OidcState.ForLogin(returnUrl ?? "/", deviceId);
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                await cache.SetAsync($"{StateCachePrefix}{state}", oidcState, StateExpiration);
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                var authUrl = oidcService.GetAuthorizationUrl(state, nonce);
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                var authUrl = await oidcService.GetAuthorizationUrlAsync(state, nonce);
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                return Redirect(authUrl);
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            }
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        }
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@@ -194,4 +194,4 @@ public class OidcController(
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        return newAccount;
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    }
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}
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}
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@@ -42,9 +42,17 @@ public abstract class OidcService(
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    protected abstract string ConfigSectionName { get; }
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    /// <summary>
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    /// Gets the authorization URL for initiating the authentication flow
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    /// Gets the authorization URL for initiating the authentication flow (async)
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    /// </summary>
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    public abstract string GetAuthorizationUrl(string state, string nonce);
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    public abstract Task<string> GetAuthorizationUrlAsync(string state, string nonce);
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    /// <summary>
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    /// Gets the authorization URL for initiating the authentication flow (sync for backward compatibility)
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    /// </summary>
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    public virtual string GetAuthorizationUrl(string state, string nonce)
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    {
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        return GetAuthorizationUrlAsync(state, nonce).GetAwaiter().GetResult();
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    }
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    /// <summary>
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    /// Builds common authorization URL query parameters
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