public static async Task <AuthenticationHeaderValue> GetAuthHeaderValueAsync(
this ILocalStorageService localStorage)
{
string accessToken = await localStorage.GetAccessTokenAsync();
return(new AuthenticationHeaderValue("Bearer", accessToken));
}
public async Task <ClaimsPrincipal> GetAuthenticatedUserAsync()
{
string encodedToken = await _localStorage.GetAccessTokenAsync();
if (string.IsNullOrWhiteSpace(encodedToken))
{
return(null);
}
var accessToken = new JwtSecurityToken(encodedToken);
if (!VerifyTokenLifetime(accessToken))
{
string accessTokenString = await GetNewAccessTokenAsync();
if (accessTokenString != null)
{
await _localStorage.SetAccessTokenAsync(accessTokenString);
accessToken = new JwtSecurityToken(accessTokenString);
}
else
{
return(null);
}
}
string userId = accessToken.Claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value;
string userName = accessToken.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value;
if (userId != null && userName != null)
{
var identity = new ClaimsIdentity(new[]
{
new Claim(ClaimTypes.NameIdentifier, userId),
new Claim(ClaimTypes.Name, userName),
}, "Bearer");
return(new ClaimsPrincipal(identity));
}
else
{
throw new Exception("Invalid access token received");
}
}
