@ -1,4 +1,5 @@
using Dapplo.Microsoft.Extensions.Hosting.WinForms ; using Dapplo.Microsoft.Extensions.Hosting.WinForms ;
using OpenIddict.Abstractions ;
using OpenIddict.Client ; using OpenIddict.Client ;
using static OpenIddict . Abstractions . OpenIddictConstants ; using static OpenIddict . Abstractions . OpenIddictConstants ;
using static OpenIddict . Abstractions . OpenIddictExceptions ; using static OpenIddict . Abstractions . OpenIddictExceptions ;
@ -20,88 +21,112 @@ public partial class MainForm : Form, IWinFormsShell
private async void LocalLoginButton_Click ( object sender , EventArgs e ) private async void LocalLoginButton_Click ( object sender , EventArgs e )
= > await AuthenticateAsync ( "Local" ) ; = > await AuthenticateAsync ( "Local" ) ;
private async void LocalLoginWithGitHubButton_Click ( object sender , EventArgs e )
= > await AuthenticateAsync ( "Local" , new ( )
{
[Parameters.IdentityProvider] = Providers . GitHub
} ) ;
private async void GitHubLoginButton_Click ( object sender , EventArgs e ) private async void GitHubLoginButton_Click ( object sender , EventArgs e )
= > await AuthenticateAsync ( Providers . GitHub ) ; = > await AuthenticateAsync ( Providers . GitHub ) ;
private async Task AuthenticateAsync ( string provider ) private async Task AuthenticateAsync ( string provider , Dictionary < string , OpenIddictParameter > ? parameters = null )
{ {
using var source = new CancellationTokenSource ( delay : TimeSpan . FromSeconds ( 9 0 ) ) ; // Disable the login buttons to prevent concurrent authentication operations.
LocalLogin . Enabled = false ;
LocalLoginWithGitHub . Enabled = false ;
GitHubLogin . Enabled = false ;
try try
{ {
// Ask OpenIddict to initiate the authentication flow (typically, by starting the system browser).
using var source = new CancellationTokenSource ( delay : TimeSpan . FromSeconds ( 9 0 ) ) ;
var result = await _ service . ChallengeInteractivelyAsync ( new ( )
{
CancellationToken = source . Token ,
ProviderName = provider
} ) ;
// Wait for the user to complete the authorization process.
try
var principal = ( await _ service . AuthenticateInteractivelyAsync ( new ( )
{ {
Nonce = result . Nonce // Ask OpenIddict to initiate the authentication flow (typically, by starting the system browser).
} ) ) . Principal ; var result = await _ service . ChallengeInteractivelyAsync ( new ( )
{
AdditionalAuthorizationRequestParameters = parameters ,
CancellationToken = source . Token ,
ProviderName = provider
} ) ;
// Wait for the user to complete the authorization process.
var principal = ( await _ service . AuthenticateInteractivelyAsync ( new ( )
{
CancellationToken = source . Token ,
Nonce = result . Nonce
} ) ) . Principal ;
#if SUPPORTS_WINFORMS_TASK_DIALOG
#if SUPPORTS_WINFORMS_TASK_DIALOG
TaskDialog . ShowDialog ( new TaskDialogPage TaskDialog . ShowDialog ( new TaskDialogPage
{ {
Caption = "Authentication successful" , Caption = "Authentication successful" ,
Heading = "Authentication successful" , Heading = "Authentication successful" ,
Icon = TaskDialogIcon . ShieldSuccessGreenBar , Icon = TaskDialogIcon . ShieldSuccessGreenBar ,
Text = $"Welcome, {principal.FindFirst(Claims.Name)!.Value}." Text = $"Welcome, {principal.FindFirst(Claims.Name)!.Value}."
} ) ; } ) ;
#else
#else
MessageBox . Show ( $"Welcome, {principal.FindFirst(Claims.Name)!.Value}." , MessageBox . Show ( $"Welcome, {principal.FindFirst(Claims.Name)!.Value}." ,
"Authentication successful" , MessageBoxButtons . OK , MessageBoxIcon . Information ) ; "Authentication successful" , MessageBoxButtons . OK , MessageBoxIcon . Information ) ;
#endif
#endif
} }
catch ( OperationCanceledException ) catch ( OperationCanceledException )
{
#if SUPPORTS_WINFORMS_TASK_DIALOG
TaskDialog . ShowDialog ( new TaskDialogPage
{ {
Caption = "Authentication timed out" , #if SUPPORTS_WINFORMS_TASK_DIALOG
Heading = "Authentication timed out" , TaskDialog . ShowDialog ( new TaskDialogPage
Icon = TaskDialogIcon . Warning , {
Text = "The authentication process was aborted." Caption = "Authentication timed out" ,
} ) ; Heading = "Authentication timed out" ,
Icon = TaskDialogIcon . Warning ,
Text = "The authentication process was aborted."
} ) ;
#else
#else
MessageBox . Show ( "The authentication process was aborted." , MessageBox . Show ( "The authentication process was aborted." ,
"Authentication timed out" , MessageBoxButtons . OK , MessageBoxIcon . Warning ) ; "Authentication timed out" , MessageBoxButtons . OK , MessageBoxIcon . Warning ) ;
#endif
#endif
} }
catch ( ProtocolException exception ) when ( exception . Error is Errors . AccessDenied ) catch ( ProtocolException exception ) when ( exception . Error is Errors . AccessDenied )
{
#if SUPPORTS_WINFORMS_TASK_DIALOG
TaskDialog . ShowDialog ( new TaskDialogPage
{ {
Caption = "Authorization denied" , #if SUPPORTS_WINFORMS_TASK_DIALOG
Heading = "Authorization denied" , TaskDialog . ShowDialog ( new TaskDialogPage
Icon = TaskDialogIcon . Warning , {
Text = "The authorization was denied by the end user." Caption = "Authorization denied" ,
} ) ; Heading = "Authorization denied" ,
Icon = TaskDialogIcon . Warning ,
Text = "The authorization was denied by the end user."
} ) ;
#else
#else
MessageBox . Show ( "The authorization was denied by the end user." , MessageBox . Show ( "The authorization was denied by the end user." ,
"Authorization denied" , MessageBoxButtons . OK , MessageBoxIcon . Warning ) ; "Authorization denied" , MessageBoxButtons . OK , MessageBoxIcon . Warning ) ;
#endif
#endif
} }
catch catch
{
#if SUPPORTS_WINFORMS_TASK_DIALOG
TaskDialog . ShowDialog ( new TaskDialogPage
{ {
Caption = "Authentication failed" , #if SUPPORTS_WINFORMS_TASK_DIALOG
Heading = "Authentication failed" , TaskDialog . ShowDialog ( new TaskDialogPage
Icon = TaskDialogIcon . Error , {
Text = "An error occurred while trying to authenticate the user." Caption = "Authentication failed" ,
} ) ; Heading = "Authentication failed" ,
Icon = TaskDialogIcon . Error ,
Text = "An error occurred while trying to authenticate the user."
} ) ;
#else
#else
MessageBox . Show ( "An error occurred while trying to authenticate the user." , MessageBox . Show ( "An error occurred while trying to authenticate the user." ,
"Authentication failed" , MessageBoxButtons . OK , MessageBoxIcon . Error ) ; "Authentication failed" , MessageBoxButtons . OK , MessageBoxIcon . Error ) ;
#endif
#endif
}
}
finally
{
// Re-enable the login buttons to allow starting a new authentication operation.
LocalLogin . Enabled = true ;
LocalLoginWithGitHub . Enabled = true ;
GitHubLogin . Enabled = true ;
} }
} }
} }
Kévin Chalet
2 years ago