79 lines
2.7 KiB
C#
79 lines
2.7 KiB
C#
using System.Net;
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using System.Net.Mail;
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using VoidCat.Model;
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using VoidCat.Services.Abstractions;
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namespace VoidCat.Services.Users;
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public class EmailVerification : IEmailVerification
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{
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private readonly ICache _cache;
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private readonly VoidSettings _settings;
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private readonly ILogger<EmailVerification> _logger;
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private readonly RazorPartialToStringRenderer _renderer;
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public EmailVerification(ICache cache, ILogger<EmailVerification> logger, VoidSettings settings, RazorPartialToStringRenderer renderer)
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{
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_cache = cache;
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_logger = logger;
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_settings = settings;
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_renderer = renderer;
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}
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public async ValueTask<EmailVerificationCode> SendNewCode(PrivateVoidUser user)
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{
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const int codeExpire = 1;
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var code = new EmailVerificationCode()
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{
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UserId = user.Id,
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Expires = DateTimeOffset.UtcNow.AddHours(codeExpire)
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};
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await _cache.Set(MapToken(code.Id), code, TimeSpan.FromHours(codeExpire));
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_logger.LogInformation("Saved email verification token for User={Id} Token={Token}", user.Id, code.Id);
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// send email
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try
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{
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var conf = _settings.Smtp;
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using var sc = new SmtpClient();
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sc.Host = conf?.Server?.Host!;
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sc.Port = conf?.Server?.Port ?? 25;
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sc.EnableSsl = conf?.Server?.Scheme == "tls";
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sc.Credentials = new NetworkCredential(conf?.Username, conf?.Password);
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var msgContent = await _renderer.RenderPartialToStringAsync("~/Pages/EmailCode.cshtml", code);
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var msg = new MailMessage();
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msg.From = new MailAddress(conf?.Username ?? "no-reply@void.cat");
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msg.To.Add(user.Email);
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msg.Subject = "Email verification code";
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msg.IsBodyHtml = true;
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msg.Body = msgContent;
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var cts = new CancellationTokenSource();
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cts.CancelAfter(TimeSpan.FromMinutes(1));
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await sc.SendMailAsync(msg, cts.Token);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to send email verification code {Error}", ex.Message);
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}
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return code;
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}
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public async ValueTask<bool> VerifyCode(PrivateVoidUser user, Guid code)
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{
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var token = await _cache.Get<EmailVerificationCode>(MapToken(code));
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if (token == default) return false;
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var isValid = user.Id == token.UserId && token.Expires > DateTimeOffset.UtcNow;
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if (isValid)
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{
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await _cache.Delete(MapToken(code));
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}
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return isValid;
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}
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private static string MapToken(Guid id) => $"email-code:{id}";
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} |