src/org/cacert/gigi/email/Sendmail.java

   1 package org.cacert.gigi.email;
   2
   3 import java.io.BufferedReader;
   4 import java.io.IOException;
   5 import java.io.InputStreamReader;
   6 import java.io.PrintWriter;
   7 import java.net.Socket;
   8 import java.text.SimpleDateFormat;
   9 import java.util.Base64;
  10 import java.util.Date;
  11 import java.util.Locale;
  12 import java.util.Properties;
  13 import java.util.regex.Pattern;
  14
  15 public class Sendmail extends EmailProvider {
  16         protected Sendmail(Properties props) {
  17         }
  18
  19         private static final Pattern NON_ASCII = Pattern.compile("[^a-zA-Z0-9 .-\\[\\]!_@]");
  20
  21         @Override
  22         public void sendmail(String to, String subject, String message, String from, String replyto, String toname,
  23                 String fromname, String errorsto, boolean extra) throws IOException {
  24
  25                 String[] bits = from.split(",");
  26
  27                 Socket smtp = new Socket("dogcraft.de", 25);
  28                 PrintWriter out = new PrintWriter(smtp.getOutputStream());
  29                 BufferedReader in = new BufferedReader(new InputStreamReader(smtp.getInputStream()));
  30                 readResponse(in);
  31                 out.print("HELO www.cacert.org\r\n");
  32                 out.flush();
  33                 readResponse(in);
  34                 out.print("MAIL FROM:<returns@cacert.org>\r\n");
  35                 out.flush();
  36                 readResponse(in);
  37                 bits = to.split(",");
  38                 for (String user : bits) {
  39                         out.print("RCPT TO:<" + user.trim() + ">\r\n");
  40                         out.flush();
  41                         readResponse(in);
  42                 }
  43                 out.print("DATA\r\n");
  44                 out.flush();
  45                 readResponse(in);
  46                 out.print("X-Mailer: CAcert.org Website\r\n");
  47                 // if (array_key_exists("REMOTE_ADDR", $_SERVER)) {
  48                 // out.print("X-OriginatingIP: ".$_SERVER["REMOTE_ADDR"]."\r\n");
  49                 // }
  50                 // TODO
  51                 SimpleDateFormat emailDate = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss ZZZZ (z)", Locale.ENGLISH);
  52                 out.print("Date: " + emailDate.format(new Date(System.currentTimeMillis())) + "\r\n");
  53                 out.print("Sender: " + errorsto + "\r\n");
  54                 out.print("Errors-To: " + errorsto + "\r\n");
  55                 if (replyto != null) {
  56                         out.print("Reply-To: " + replyto + "\r\n");
  57                 } else {
  58                         out.print("Reply-To: " + from + "\r\n");
  59                 }
  60                 out.print("From: " + from + "\r\n");
  61                 out.print("To: " + to + "\r\n");
  62                 if (NON_ASCII.matcher(subject).matches()) {
  63
  64                         out.print("Subject: =?utf-8?B?" + Base64.getEncoder().encodeToString(subject.getBytes()) + "?=\r\n");
  65                 } else {
  66                         out.print("Subject: " + subject + "\r\n");
  67                 }
  68                 out.print("Mime-Version: 1.0\r\n");
  69                 if (!extra) {
  70                         out.print("Content-Type: text/plain; charset=\"utf-8\"\r\n");
  71                         out.print("Content-Transfer-Encoding: 8bit\r\n");
  72                 } else {
  73                         out.print("Content-Type: text/plain; charset=\"iso-8859-1\"\r\n");
  74                         out.print("Content-Transfer-Encoding: quoted-printable\r\n");
  75                         out.print("Content-Disposition: inline\r\n");
  76                 }
  77                 // out.print("Content-Transfer-Encoding: BASE64\r\n");
  78                 out.print("\r\n");
  79                 // out.print(chunk_split(base64_encode(recode("html..utf-8",
  80                 // $message)))."\r\n.\r\n");
  81                 message = message + "\r\n";
  82
  83                 String sendM = message.replace("\r", "").replace("\n.\n", "\n").replace("\n.\n", "\n").replace("\n", "\r\n")
  84                         + ".\r\n";
  85                 out.print(sendM);
  86                 out.flush();
  87                 readResponse(in);
  88                 out.print("QUIT\n");
  89                 out.flush();
  90                 readResponse(in);
  91                 smtp.close();
  92         }
  93
  94         private static void readResponse(BufferedReader in) throws IOException {
  95                 String line;
  96                 while ((line = in.readLine()) != null && line.matches("\\d+-")) {
  97                 }
  98
  99         }
 100
 101 }