protected override async Task <bool> HandleForbiddenAsync(ChallengeContext context)
{
var properties = new AuthenticationProperties(context.Properties);
var returnUrl = properties.RedirectUri;
if (string.IsNullOrEmpty(returnUrl))
{
returnUrl = OriginalPathBase + Request.Path + Request.QueryString;
}
var accessDeniedUri = Options.AccessDeniedPath + QueryString.Create(Options.ReturnUrlParameter, returnUrl);
var redirectContext = new PlatformRedirectContext(Context, Options, BuildRedirectUri(accessDeniedUri), properties);
await Options.Events.RedirectToAccessDenied(redirectContext);
return(true);
}
private async Task ApplyHeaders(bool shouldRedirectToReturnUrl, AuthenticationProperties properties)
{
Response.Headers[HeaderNames.CacheControl] = HeaderValueNoCache;
Response.Headers[HeaderNames.Pragma] = HeaderValueNoCache;
Response.Headers[HeaderNames.Expires] = HeaderValueMinusOne;
if (shouldRedirectToReturnUrl && Response.StatusCode == 200)
{
var query = Request.Query;
var redirectUri = query[Options.ReturnUrlParameter];
if (!StringValues.IsNullOrEmpty(redirectUri) &&
IsHostRelative(redirectUri))
{
var redirectContext = new PlatformRedirectContext(Context, Options, redirectUri, properties);
await Options.Events.RedirectToReturnUrl(redirectContext);
}
}
}
protected override async Task <bool> HandleUnauthorizedAsync(ChallengeContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var properties = new AuthenticationProperties(context.Properties);
var redirectUri = properties.RedirectUri;
if (string.IsNullOrEmpty(redirectUri))
{
redirectUri = OriginalPathBase + Request.Path + Request.QueryString;
}
var loginUri = Options.LoginPath + QueryString.Create(Options.ReturnUrlParameter, redirectUri);
var redirectContext = new PlatformRedirectContext(Context, Options, BuildRedirectUri(loginUri), properties);
await Options.Events.RedirectToLogin(redirectContext);
return(true);
}
public virtual Task RedirectToAccessDenied(PlatformRedirectContext context) => OnRedirectToAccessDenied(context);
public virtual Task RedirectToReturnUrl(PlatformRedirectContext context) => OnRedirectToReturnUrl(context);
public virtual Task RedirectToLogin(PlatformRedirectContext context) => OnRedirectToLogin(context);
