public IActionResult loginexternal(string provider, string returnUrl = null)
{
var redirectUrl = Url.Action(nameof(loginexternalcallback), "account", new { returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
return(new ChallengeResult(provider, properties));
}
public IActionResult ExternalLogin(string provider, string returnUrl = null)
{
// Request a redirect to the external login provider.
var redirectUrl = Url.Action("ExternalLoginCallback", "Account", new { ReturnUrl = returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
return(Challenge(properties, provider));
}
public IActionResult OnPost(string provider, string returnUrl = null)
{
// Request a redirect to the external login provider.
var redirectUrl = Url.Page("./ExternalLogin", pageHandler: "Callback", values: new { returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
return(new ChallengeResult(provider, properties));
}
public async Task <IActionResult> LinkLogin(string provider)
{
// Clear the existing external cookie to ensure a clean login process
await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
// Request a redirect to the external login provider to link a login for the current user
var redirectUrl = Url.Action(nameof(LinkLoginCallback));
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl, _userManager.GetUserId(User));
return(new ChallengeResult(provider, properties));
}
public async Task <AuthenticationProperties> ConfigureExternalAuthenticationProperties(string provider, string redirectUrl, ClaimsPrincipal identityUser = null)
{
string userId = null;
if (identityUser != null)
{
var user = await GetApplicationUser(identityUser);
userId = user.Id;
}
return(_signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl, userId));
}
