Gulum
68366ad8c9
- IGmailMailSender (mockable) + MailKit GmailMailSender (smtp.gmail.com:587 STARTTLS, App
Password). SendReplyService builds a threaded reply: In-Reply-To = original Message-Id,
References = stored chain + original (deduped), Subject = 'Re: ' (no double-prefix); sends,
then sets Status=Answered + AnsweredAt + stores sent body in DraftReply. Never auto-sends.
- POST /api/requests/{id}/send {body}: 200 updated RequestDto; 404 unknown; 503 MailNotConfigured;
502 MailAuthFailed (UI hint: re-enter App Password). No entity change (no migration).
- Tests (fake SMTP): threading headers, Answered transition, no-double-Re, not-configured +
auth-failure keep status; BuildMimeMessage header mapping. Live send gated on App Password.
44 lines
2.0 KiB
C#
44 lines
2.0 KiB
C#
using MailKit.Net.Smtp;
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using MailKit.Security;
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using MimeKit;
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namespace GerbilManagerWebAPI.Inbox
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{
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/// <summary>
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/// Live Gmail sender over SMTP (App Password auth, STARTTLS). Builds a correctly-threaded
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/// reply so it lands in the same Gmail conversation. Gated on Julian's App Password
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/// (tests use a fake IGmailMailSender + assert BuildMimeMessage).
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/// </summary>
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public sealed class GmailMailSender : IGmailMailSender
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{
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public async Task SendAsync(MailConnection connection, OutgoingMail mail, CancellationToken ct = default)
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{
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var message = BuildMimeMessage(connection.GmailAddress, mail);
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using var client = new SmtpClient();
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await client.ConnectAsync("smtp.gmail.com", 587, SecureSocketOptions.StartTls, ct);
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await client.AuthenticateAsync(connection.GmailAddress, connection.AppPassword, ct);
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await client.SendAsync(message, ct);
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await client.DisconnectAsync(true, ct);
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}
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/// <summary>Builds the reply MimeMessage with In-Reply-To / References / Subject set for
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/// Gmail threading. Public so the threading headers are unit-testable without SMTP.</summary>
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public static MimeMessage BuildMimeMessage(string fromAddress, OutgoingMail mail)
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{
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var message = new MimeMessage();
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message.From.Add(MailboxAddress.Parse(fromAddress));
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message.To.Add(MailboxAddress.Parse(mail.To));
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message.Subject = mail.Subject;
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message.Body = new TextPart("plain") { Text = mail.Body };
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if (!string.IsNullOrWhiteSpace(mail.InReplyTo))
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message.InReplyTo = mail.InReplyTo;
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if (!string.IsNullOrWhiteSpace(mail.References))
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foreach (var id in mail.References.Split(' ', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
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message.References.Add(id);
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return message;
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}
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}
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}
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