appbase.gateway.smtp source code

1 module appbase.gateway.smtp;
2 
3 import std.net.curl : SMTP;
4 import std.typecons : Tuple;
5 import std.string : split;
6 import std.algorithm.iteration : each;
7 
8 public import appbase.gateway.smtp.attachment;
9 public import appbase.gateway.smtp.message;
10 
11 /++
12     Send a email.
13     recipients: a@xx.com;b@xx.com...
14 +/
15 Tuple!(int, string) sendMail(const string server,
16     const string senderAccount, const string senderPassword, const string senderNicename,
17     const string recipients, const string subject, const string content)
18 {
19     Tuple!(int, string) result;
20 
21     auto client = SMTP("smtp://" ~ server);
22 
23     try
24     {
25         client.setAuthentication(senderAccount, senderPassword);
26     }
27     catch (Exception e)
28     {
29         client.shutdown();
30 
31         result[0] = -1;
32         result[1] = e.msg;
33 
34         return result;
35     }
36 
37     string[] addressees = recipients.split(";");
38     Recipient[] _recipients;
39     addressees.each!((a) => (_recipients ~= Recipient(a, "")));
40     addressees.each!((ref a) => (a = "<" ~ a ~ ">"));
41     client.mailTo = cast(const(char)[][])addressees;
42     client.mailFrom = "<" ~ senderAccount ~ ">";
43 
44     auto message = SmtpMessage(
45         Recipient(senderAccount, senderNicename),
46         _recipients,
47         subject,
48         content,
49         "",
50     );
51     client.message = message.toString();
52 
53     int trys;
54     label_send: try
55     {
56         client.perform();
57     }
58     catch (Exception e)
59     {
60         if (++trys < 3)
61         {
62             goto label_send;
63         }
64 
65         client.shutdown();
66 
67         result[0] = -2;
68         result[1] = e.msg;
69 
70         return result;
71     }
72 
73     return result;
74 }