private void CurrentPluginFailed(ExceptionDispatchInfo e)
{
var plugin = _currentMainWindow.Plugin.GetType();
_currentMainWindow.BeginHide();
TrayIconManager.GetInstance().ShowNotification("", $"Failed to preview {Path.GetFileName(_path)}", true);
Debug.WriteLine(e.ToString());
Debug.WriteLine(e.SourceException.StackTrace);
if (plugin != PluginManager.GetInstance().DefaultPlugin.GetType())
{
BeginShowNewWindow(PluginManager.GetInstance().DefaultPlugin);
}
else
{
e.Throw();
}
}
/// <summary>
/// Invoked to process incoming authentication messages.
/// </summary>
/// <returns>An <see cref="AuthenticationTicket"/> if successful.</returns>
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
// Allow login to be constrained to a specific path. Need to make this runtime configurable.
if (Options.CallbackPath.HasValue && Options.CallbackPath != (Request.PathBase + Request.Path))
{
return(null);
}
OpenIdConnectMessage openIdConnectMessage = null;
// assumption: if the ContentType is "application/x-www-form-urlencoded" it should be safe to read as it is small.
if (string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase) &&
!string.IsNullOrWhiteSpace(Request.ContentType)
// May have media/type; charset=utf-8, allow partial match.
&& Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase) &&
Request.Body.CanRead)
{
if (!Request.Body.CanSeek)
{
_logger.WriteVerbose("Buffering request body");
// Buffer in case this body was not meant for us.
MemoryStream memoryStream = new MemoryStream();
await Request.Body.CopyToAsync(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
Request.Body = memoryStream;
}
IFormCollection form = await Request.ReadFormAsync();
Request.Body.Seek(0, SeekOrigin.Begin);
// TODO: a delegate on OpenIdConnectAuthenticationOptions would allow for users to hook their own custom message.
openIdConnectMessage = new OpenIdConnectMessage(form);
}
if (openIdConnectMessage == null)
{
return(null);
}
ExceptionDispatchInfo authFailedEx = null;
try
{
var messageReceivedNotification = new MessageReceivedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage
};
await Options.Notifications.MessageReceived(messageReceivedNotification);
if (messageReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (messageReceivedNotification.Skipped)
{
return(null);
}
// runtime always adds state, if we don't find it OR we failed to 'unprotect' it this is not a message we
// should process.
AuthenticationProperties properties = GetPropertiesFromState(openIdConnectMessage.State);
if (properties == null)
{
_logger.WriteWarning("The state field is missing or invalid.");
return(null);
}
// devs will need to hook AuthenticationFailedNotification to avoid having 'raw' runtime errors displayed to users.
if (!string.IsNullOrWhiteSpace(openIdConnectMessage.Error))
{
throw new OpenIdConnectProtocolException(
string.Format(CultureInfo.InvariantCulture,
openIdConnectMessage.Error,
Resources.Exception_OpenIdConnectMessageError, openIdConnectMessage.ErrorDescription ?? string.Empty, openIdConnectMessage.ErrorUri ?? string.Empty));
}
// code is only accepted with id_token, in this version, hence check for code is inside this if
// OpenIdConnect protocol allows a Code to be received without the id_token
if (string.IsNullOrWhiteSpace(openIdConnectMessage.IdToken))
{
_logger.WriteWarning("The id_token is missing.");
return(null);
}
var securityTokenReceivedNotification = new SecurityTokenReceivedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage,
};
await Options.Notifications.SecurityTokenReceived(securityTokenReceivedNotification);
if (securityTokenReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (securityTokenReceivedNotification.Skipped)
{
return(null);
}
if (_configuration == null)
{
_configuration = await Options.ConfigurationManager.GetConfigurationAsync(Context.Request.CallCancelled);
}
// Copy and augment to avoid cross request race conditions for updated configurations.
TokenValidationParameters tvp = Options.TokenValidationParameters.Clone();
IEnumerable <string> issuers = new[] { _configuration.Issuer };
tvp.ValidIssuers = (tvp.ValidIssuers == null ? issuers : tvp.ValidIssuers.Concat(issuers));
tvp.IssuerSigningTokens = (tvp.IssuerSigningTokens == null ? _configuration.SigningTokens : tvp.IssuerSigningTokens.Concat(_configuration.SigningTokens));
SecurityToken validatedToken;
ClaimsPrincipal principal = Options.SecurityTokenHandlers.ValidateToken(openIdConnectMessage.IdToken, tvp, out validatedToken);
ClaimsIdentity claimsIdentity = principal.Identity as ClaimsIdentity;
// claims principal could have changed claim values, use bits received on wire for validation.
JwtSecurityToken jwt = validatedToken as JwtSecurityToken;
AuthenticationTicket ticket = new AuthenticationTicket(claimsIdentity, properties);
string nonce = null;
if (Options.ProtocolValidator.RequireNonce)
{
if (String.IsNullOrWhiteSpace(openIdConnectMessage.Nonce))
{
openIdConnectMessage.Nonce = jwt.Payload.Nonce;
}
// deletes the nonce cookie
nonce = RetrieveNonce(openIdConnectMessage);
}
// remember 'session_state' and 'check_session_iframe'
if (!string.IsNullOrWhiteSpace(openIdConnectMessage.SessionState))
{
ticket.Properties.Dictionary[OpenIdConnectSessionProperties.SessionState] = openIdConnectMessage.SessionState;
}
if (!string.IsNullOrWhiteSpace(_configuration.CheckSessionIframe))
{
ticket.Properties.Dictionary[OpenIdConnectSessionProperties.CheckSessionIFrame] = _configuration.CheckSessionIframe;
}
if (Options.UseTokenLifetime)
{
// Override any session persistence to match the token lifetime.
DateTime issued = jwt.ValidFrom;
if (issued != DateTime.MinValue)
{
ticket.Properties.IssuedUtc = issued.ToUniversalTime();
}
DateTime expires = jwt.ValidTo;
if (expires != DateTime.MinValue)
{
ticket.Properties.ExpiresUtc = expires.ToUniversalTime();
}
ticket.Properties.AllowRefresh = false;
}
var securityTokenValidatedNotification = new SecurityTokenValidatedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
AuthenticationTicket = ticket,
ProtocolMessage = openIdConnectMessage,
};
await Options.Notifications.SecurityTokenValidated(securityTokenValidatedNotification);
if (securityTokenValidatedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (securityTokenValidatedNotification.Skipped)
{
return(null);
}
// Flow possible changes
ticket = securityTokenValidatedNotification.AuthenticationTicket;
var protocolValidationContext = new OpenIdConnectProtocolValidationContext
{
AuthorizationCode = openIdConnectMessage.Code,
Nonce = nonce,
};
Options.ProtocolValidator.Validate(jwt, protocolValidationContext);
if (openIdConnectMessage.Code != null)
{
var authorizationCodeReceivedNotification = new AuthorizationCodeReceivedNotification(Context, Options)
{
AuthenticationTicket = ticket,
Code = openIdConnectMessage.Code,
JwtSecurityToken = jwt,
ProtocolMessage = openIdConnectMessage,
RedirectUri = ticket.Properties.Dictionary.ContainsKey(OpenIdConnectAuthenticationDefaults.RedirectUriUsedForCodeKey) ?
ticket.Properties.Dictionary[OpenIdConnectAuthenticationDefaults.RedirectUriUsedForCodeKey] : string.Empty,
};
await Options.Notifications.AuthorizationCodeReceived(authorizationCodeReceivedNotification);
if (authorizationCodeReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (authorizationCodeReceivedNotification.Skipped)
{
return(null);
}
// Flow possible changes
ticket = authorizationCodeReceivedNotification.AuthenticationTicket;
}
return(ticket);
}
catch (Exception exception)
{
// We can't await inside a catch block, capture and handle outside.
authFailedEx = ExceptionDispatchInfo.Capture(exception);
}
if (authFailedEx != null)
{
_logger.WriteError("Exception occurred while processing message: '" + authFailedEx.ToString());
// Refresh the configuration for exceptions that may be caused by key rollovers. The user can also request a refresh in the notification.
if (Options.RefreshOnIssuerKeyNotFound && authFailedEx.SourceException.GetType().Equals(typeof(SecurityTokenSignatureKeyNotFoundException)))
{
Options.ConfigurationManager.RequestRefresh();
}
var authenticationFailedNotification = new AuthenticationFailedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage,
Exception = authFailedEx.SourceException
};
await Options.Notifications.AuthenticationFailed(authenticationFailedNotification);
if (authenticationFailedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (authenticationFailedNotification.Skipped)
{
return(null);
}
authFailedEx.Throw();
}
return(null);
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
if (Options.CallbackPath.HasValue && Options.CallbackPath != (Request.PathBase + Request.Path))
{
return(null);
}
OpenIdConnectMessage openIdConnectMessage = null;
if (string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase) &&
!string.IsNullOrWhiteSpace(Request.ContentType) &&
Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase) &&
Request.Body.CanRead)
{
if (!Request.Body.CanSeek)
{
_logger.WriteVerbose("Buffering request body");
MemoryStream memoryStream = new MemoryStream();
await Request.Body.CopyToAsync(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
Request.Body = memoryStream;
}
IFormCollection form = await Request.ReadFormAsync();
Request.Body.Seek(0, SeekOrigin.Begin);
openIdConnectMessage = new OpenIdConnectMessage(form);
}
if (openIdConnectMessage == null)
{
return(null);
}
ExceptionDispatchInfo authFailedEx = null;
string policy = string.Empty;
try
{
var messageReceivedNotification = new MessageReceivedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage
};
await Options.Notifications.MessageReceived(messageReceivedNotification);
if (messageReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (messageReceivedNotification.Skipped)
{
return(null);
}
AuthenticationProperties properties = GetPropertiesFromState(openIdConnectMessage.State);
if (properties == null)
{
_logger.WriteWarning("The state field is missing or invalid.");
return(null);
}
string nonce = null;
if (Options.ProtocolValidator.RequireNonce)
{
nonce = RetrieveNonce(openIdConnectMessage);
}
if (!string.IsNullOrWhiteSpace(openIdConnectMessage.Error))
{
throw new OpenIdConnectProtocolException(
string.Format(CultureInfo.InvariantCulture,
openIdConnectMessage.Error,
"", openIdConnectMessage.ErrorDescription ?? string.Empty, openIdConnectMessage.ErrorUri ?? string.Empty));
}
if (string.IsNullOrWhiteSpace(openIdConnectMessage.IdToken))
{
_logger.WriteWarning("The id_token is missing.");
return(null);
}
var securityTokenReceivedNotification = new SecurityTokenReceivedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage,
};
await Options.Notifications.SecurityTokenReceived(securityTokenReceivedNotification);
if (securityTokenReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (securityTokenReceivedNotification.Skipped)
{
return(null);
}
// Enable Per-Policy Metadata Retreival
if (properties.Dictionary.TryGetValue(PolicyParameter, out policy))
{
B2CConfigurationManager mgr = Options.ConfigurationManager as B2CConfigurationManager;
_configuration = await mgr.GetConfigurationAsync(Context.Request.CallCancelled, policy);
}
else
{
_logger.WriteWarning("No policy identifier was found in the Authentication Properties of the request.");
return(null);
}
TokenValidationParameters tvp = Options.TokenValidationParameters.Clone();
IEnumerable <string> issuers = new[] { _configuration.Issuer };
tvp.ValidIssuers = (tvp.ValidIssuers == null ? issuers : tvp.ValidIssuers.Concat(issuers));
tvp.IssuerSigningTokens = (tvp.IssuerSigningTokens == null ? _configuration.SigningTokens : tvp.IssuerSigningTokens.Concat(_configuration.SigningTokens));
SecurityToken validatedToken;
ClaimsPrincipal principal = Options.SecurityTokenHandlers.ValidateToken(openIdConnectMessage.IdToken, tvp, out validatedToken);
ClaimsIdentity claimsIdentity = principal.Identity as ClaimsIdentity;
JwtSecurityToken jwt = validatedToken as JwtSecurityToken;
AuthenticationTicket ticket = new AuthenticationTicket(claimsIdentity, properties);
if (!string.IsNullOrWhiteSpace(openIdConnectMessage.SessionState))
{
ticket.Properties.Dictionary[OpenIdConnectSessionProperties.SessionState] = openIdConnectMessage.SessionState;
}
if (!string.IsNullOrWhiteSpace(_configuration.CheckSessionIframe))
{
ticket.Properties.Dictionary[OpenIdConnectSessionProperties.CheckSessionIFrame] = _configuration.CheckSessionIframe;
}
if (Options.UseTokenLifetime)
{
DateTime issued = jwt.ValidFrom;
if (issued != DateTime.MinValue)
{
ticket.Properties.IssuedUtc = issued.ToUniversalTime();
}
DateTime expires = jwt.ValidTo;
if (expires != DateTime.MinValue)
{
ticket.Properties.ExpiresUtc = expires.ToUniversalTime();
}
ticket.Properties.AllowRefresh = false;
}
var securityTokenValidatedNotification = new SecurityTokenValidatedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
AuthenticationTicket = ticket,
ProtocolMessage = openIdConnectMessage,
};
await Options.Notifications.SecurityTokenValidated(securityTokenValidatedNotification);
if (securityTokenValidatedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (securityTokenValidatedNotification.Skipped)
{
return(null);
}
ticket = securityTokenValidatedNotification.AuthenticationTicket;
var protocolValidationContext = new OpenIdConnectProtocolValidationContext
{
AuthorizationCode = openIdConnectMessage.Code,
Nonce = nonce,
};
Options.ProtocolValidator.Validate(jwt, protocolValidationContext);
if (openIdConnectMessage.Code != null)
{
var authorizationCodeReceivedNotification = new AuthorizationCodeReceivedNotification(Context, Options)
{
AuthenticationTicket = ticket,
Code = openIdConnectMessage.Code,
JwtSecurityToken = jwt,
ProtocolMessage = openIdConnectMessage,
RedirectUri = ticket.Properties.Dictionary.ContainsKey(OpenIdConnectAuthenticationDefaults.RedirectUriUsedForCodeKey) ?
ticket.Properties.Dictionary[OpenIdConnectAuthenticationDefaults.RedirectUriUsedForCodeKey] : string.Empty,
};
await Options.Notifications.AuthorizationCodeReceived(authorizationCodeReceivedNotification);
if (authorizationCodeReceivedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (authorizationCodeReceivedNotification.Skipped)
{
return(null);
}
ticket = authorizationCodeReceivedNotification.AuthenticationTicket;
}
return(ticket);
}
catch (Exception exception)
{
authFailedEx = ExceptionDispatchInfo.Capture(exception);
}
if (authFailedEx != null)
{
_logger.WriteError("Exception occurred while processing message: '" + authFailedEx.ToString());
if (Options.RefreshOnIssuerKeyNotFound && authFailedEx.SourceException.GetType().Equals(typeof(SecurityTokenSignatureKeyNotFoundException)))
{
B2CConfigurationManager mgr = Options.ConfigurationManager as B2CConfigurationManager;
mgr.RequestRefresh(policy);
}
var authenticationFailedNotification = new AuthenticationFailedNotification <OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
{
ProtocolMessage = openIdConnectMessage,
Exception = authFailedEx.SourceException
};
await Options.Notifications.AuthenticationFailed(authenticationFailedNotification);
if (authenticationFailedNotification.HandledResponse)
{
return(GetHandledResponseTicket());
}
if (authenticationFailedNotification.Skipped)
{
return(null);
}
authFailedEx.Throw();
}
return(null);
}
