80 lines
2.8 KiB
C#
80 lines
2.8 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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/// <inheritdoc />
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public abstract class BaseEmailVerification : IEmailVerification
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{
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public const int HoursExpire = 1;
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private readonly VoidSettings _settings;
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private readonly ILogger<BaseEmailVerification> _logger;
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private readonly RazorPartialToStringRenderer _renderer;
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protected BaseEmailVerification(ILogger<BaseEmailVerification> logger, VoidSettings settings,
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RazorPartialToStringRenderer renderer)
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{
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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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/// <inheritdoc />
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public async ValueTask<EmailVerificationCode> SendNewCode(PrivateVoidUser user)
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{
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var token = new EmailVerificationCode(user.Id, Guid.NewGuid(), DateTime.UtcNow.AddHours(HoursExpire));
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await SaveToken(token);
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_logger.LogInformation("Saved email verification token for User={Id} Token={Token}", user.Id, token.Code);
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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", token);
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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 token;
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}
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/// <inheritdoc />
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public async ValueTask<bool> VerifyCode(PrivateVoidUser user, Guid code)
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{
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var token = await GetToken(user.Id, code);
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if (token == default) return false;
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var isValid = user.Id == token.User &&
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DateTime.SpecifyKind(token.Expires, DateTimeKind.Utc) > DateTimeOffset.UtcNow;
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if (isValid)
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{
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await DeleteToken(user.Id, code);
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}
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return isValid;
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}
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protected abstract ValueTask SaveToken(EmailVerificationCode code);
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protected abstract ValueTask<EmailVerificationCode?> GetToken(Guid user, Guid code);
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protected abstract ValueTask DeleteToken(Guid user, Guid code);
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} |