Selector/Selector.Web/Areas/Identity/Pages/Account/Manage/DownloadPersonalData.cshtml.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Extensions.Logging;
using Selector.Web.Areas.Identity.Data;
using Selector.Model;
namespace Selector.Web.Areas.Identity.Pages.Account.Manage
{
public class DownloadPersonalDataModel : PageModel
{
private readonly UserManager<ApplicationUser> _userManager;
private readonly ILogger<DownloadPersonalDataModel> _logger;
public DownloadPersonalDataModel(
UserManager<ApplicationUser> userManager,
ILogger<DownloadPersonalDataModel> logger)
{
_userManager = userManager;
_logger = logger;
}
public async Task<IActionResult> OnPostAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
}
_logger.LogInformation("User with ID '{UserId}' asked for their personal data.", _userManager.GetUserId(User));
// Only include personal data for download
var personalData = new Dictionary<string, string>();
var personalDataProps = typeof(ApplicationUser).GetProperties().Where(
prop => Attribute.IsDefined(prop, typeof(PersonalDataAttribute)));
foreach (var p in personalDataProps)
{
personalData.Add(p.Name, p.GetValue(user)?.ToString() ?? "null");
}
var logins = await _userManager.GetLoginsAsync(user);
foreach (var l in logins)
{
personalData.Add($"{l.LoginProvider} external login provider key", l.ProviderKey);
}
Response.Headers.Add("Content-Disposition", "attachment; filename=PersonalData.json");
return new FileContentResult(JsonSerializer.SerializeToUtf8Bytes(personalData), "application/json");
}
}
}