private async Task <IExternalUser> GetExternalUserAsync(ExternalAuthenticationCommand command)
{
IExternalUser externalUser = null;
try
{
var externalProviderAuthenticator = this.externalProviderAuthenticatorFactory.GetAuthenticator(command.ExternalProvider);
if (command.ClaimsPrincipal != null)
{
externalUser = await externalProviderAuthenticator.GetExternalUserAsync(command.ClaimsPrincipal);
}
if (command.ExternalAuthenticationData != null)
{
externalUser = await externalProviderAuthenticator.GetExternalUserAsync(
command.ExternalAuthenticationData.Provider,
command.ExternalAuthenticationData.AccessToken);
}
}
catch (Exception ex)
{
await this.logger.LogErrorAsync(ex);
}
return(externalUser);
}
internal ExternalAccountPreview(IExternalUser externalUser, IOAuthProvider provider)
{
var pid = externalUser.ProviderId;
this.Id = externalUser.Id;
this.Username = externalUser.Username;
this.Provider = new LoginProviderPreview(pid, provider.GetName(pid), provider.GetColour(pid));
}
private async Task AddExternalProviderToUserAsync(Guid userId, IExternalUser externalUser)
{
try
{
var userLoginInfo = new UserLoginInfo(externalUser.Provider, externalUser.Id, externalUser.Provider);
var user = await this.userManager.FindUserByIdAsync(userId);
await this.userManager.AddLoginAsync(user, userLoginInfo);
}
catch (Exception ex)
{
await this.logger.LogErrorAsync(ex);
}
}
private async Task <IUser> RegisterUserViaExternalProviderUserAsync(IExternalUser externalUser)
{
try
{
var user = this.userManager.CreateUserObject(externalUser.EmailAddress, externalUser.Name, true);
var registerResult = await this.userManager.CreateAsync(user);
if (registerResult.Succeeded)
{
await this.AddExternalProviderToUserAsync(user.Id, externalUser);
await this.userManager.AddToRoleAsync(user, ApplicationRoles.User);
// apply avatar
var avatarUrl = await this.userAvatarService.CreateAvatarFromUrlAsync(externalUser.PictureUrl);
await this.userAvatarService.ApplyAvatarToUserAsync(user.Id, avatarUrl);
return(user);
}
return(default);
/// <inheritdoc/>
public async Task <BearerAuthenticationResult> BuildJwtTokenForExternalUserAsync(IExternalUser externalUser)
{
try
{
var user = await this.userManager.FindByLoginAsync(externalUser.Provider, externalUser.Id);
return(await this.BuildJwtTokenForUserAsync(user.Id));
}
catch (Exception ex)
{
await this.logger.LogErrorAsync(ex);
return(null);
}
}
