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.regex.Pattern;
  13
  14 public class Sendmail extends EmailProvider {
  15         protected Sendmail() {
  16         }
  17         private static final Pattern NON_ASCII = Pattern
  18                         .compile("[^a-zA-Z0-9 .-\\[\\]!_@]");
  19
  20         @Override
  21         public void sendmail(String to, String subject, String message,
  22                         String from, String replyto, String toname, String fromname,
  23                         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(
  30                                 smtp.getInputStream()));
  31                 readResponse(in);
  32                 out.print("HELO www.cacert.org\r\n");
  33                 out.flush();
  34                 readResponse(in);
  35                 out.print("MAIL FROM:<returns@cacert.org>\r\n");
  36                 out.flush();
  37                 readResponse(in);
  38                 bits = to.split(",");
  39                 for (String user : bits) {
  40                         out.print("RCPT TO:<" + user.trim() + ">\r\n");
  41                         out.flush();
  42                         readResponse(in);
  43                 }
  44                 out.print("DATA\r\n");
  45                 out.flush();
  46                 readResponse(in);
  47                 out.print("X-Mailer: CAcert.org Website\r\n");
  48                 // if (array_key_exists("REMOTE_ADDR", $_SERVER)) {
  49                 // out.print("X-OriginatingIP: ".$_SERVER["REMOTE_ADDR"]."\r\n");
  50                 // }
  51                 // TODO
  52                 SimpleDateFormat emailDate = new SimpleDateFormat(
  53                                 "E, d MMM yyyy HH:mm:ss ZZZZ (z)", Locale.ENGLISH);
  54                 out.print("Date: "
  55                                 + emailDate.format(new Date(System.currentTimeMillis()))
  56                                 + "\r\n");
  57                 out.print("Sender: " + errorsto + "\r\n");
  58                 out.print("Errors-To: " + errorsto + "\r\n");
  59                 if (replyto != null) {
  60                         out.print("Reply-To: " + replyto + "\r\n");
  61                 } else {
  62                         out.print("Reply-To: " + from + "\r\n");
  63                 }
  64                 out.print("From: " + from + "\r\n");
  65                 out.print("To: " + to + "\r\n");
  66                 if (NON_ASCII.matcher(subject).matches()) {
  67
  68                         out.print("Subject: =?utf-8?B?"
  69                                         + Base64.getEncoder().encodeToString(subject.getBytes())
  70                                         + "?=\r\n");
  71                 } else {
  72                         out.print("Subject: " + subject + "\r\n");
  73                 }
  74                 out.print("Mime-Version: 1.0\r\n");
  75                 if (!extra) {
  76                         out.print("Content-Type: text/plain; charset=\"utf-8\"\r\n");
  77                         out.print("Content-Transfer-Encoding: 8bit\r\n");
  78                 } else {
  79                         out.print("Content-Type: text/plain; charset=\"iso-8859-1\"\r\n");
  80                         out.print("Content-Transfer-Encoding: quoted-printable\r\n");
  81                         out.print("Content-Disposition: inline\r\n");
  82                 }
  83                 // out.print("Content-Transfer-Encoding: BASE64\r\n");
  84                 out.print("\r\n");
  85                 // out.print(chunk_split(base64_encode(recode("html..utf-8",
  86                 // $message)))."\r\n.\r\n");
  87                 message = message + "\r\n";
  88
  89                 String sendM = message.replace("\r", "").replace("\n.\n", "\n")
  90                                 .replace("\n.\n", "\n").replace("\n", "\r\n")
  91                                 + ".\r\n";
  92                 out.print(sendM);
  93                 out.flush();
  94                 readResponse(in);
  95                 out.print("QUIT\n");
  96                 out.flush();
  97                 readResponse(in);
  98                 smtp.close();
  99         }
 100         private static void readResponse(BufferedReader in) throws IOException {
 101                 String line;
 102                 while ((line = in.readLine()) != null && line.matches("\\d+-")) {
 103                 }
 104
 105         }
 106
 107 }