1 package org.cacert.gigi.email;
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.security.GeneralSecurityException;
9 import java.text.SimpleDateFormat;
10 import java.util.Base64;
11 import java.util.Date;
12 import java.util.Locale;
13 import java.util.Properties;
14 import java.util.regex.Pattern;
16 import org.cacert.gigi.util.ServerConstants;
18 public class Sendmail extends EmailProvider {
20 protected Sendmail(Properties props) {}
22 private static final Pattern NON_ASCII = Pattern.compile("[^a-zA-Z0-9 .-\\[\\]!_@]");
25 public void sendmail(String to, String subject, String message, String from, String replyto, String toname, String fromname, String errorsto, boolean extra) throws IOException {
27 String[] bits = from.split(",");
29 Socket smtp = new Socket("localhost", 25);
30 PrintWriter out = new PrintWriter(smtp.getOutputStream());
31 BufferedReader in = new BufferedReader(new InputStreamReader(smtp.getInputStream()));
33 out.print("HELO www.cacert.org\r\n");
36 out.print("MAIL FROM:<returns@cacert.org>\r\n");
40 for (String user : bits) {
41 out.print("RCPT TO:<" + user.trim() + ">\r\n");
45 out.print("DATA\r\n");
48 out.print("X-Mailer: CAcert.org Website\r\n");
49 // if (array_key_exists("REMOTE_ADDR", $_SERVER)) {
50 // out.print("X-OriginatingIP: ".$_SERVER["REMOTE_ADDR"]."\r\n");
53 SimpleDateFormat emailDate = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss ZZZZ (z)", Locale.ENGLISH);
54 out.print("Date: " + emailDate.format(new Date(System.currentTimeMillis())) + "\r\n");
55 out.print("Sender: " + errorsto + "\r\n");
56 out.print("Errors-To: " + errorsto + "\r\n");
57 if (replyto != null) {
58 out.print("Reply-To: " + replyto + "\r\n");
60 out.print("Reply-To: " + from + "\r\n");
62 out.print("From: support@" + ServerConstants.getWwwHostName().replaceAll("^www.", "") + "\r\n");
63 out.print("To: " + to + "\r\n");
64 if (NON_ASCII.matcher(subject).matches()) {
66 out.print("Subject: =?utf-8?B?" + Base64.getEncoder().encodeToString(subject.getBytes()) + "?=\r\n");
68 out.print("Subject: " + subject + "\r\n");
70 StringBuffer headers = new StringBuffer();
71 headers.append("Content-Type: text/plain; charset=\"utf-8\"\r\n");
72 headers.append("Content-Transfer-Encoding: base64\r\n");
73 // out.print(chunk_split(base64_encode(recode("html..utf-8",
74 // $message)))."\r\n.\r\n");
75 headers.append("\r\n");
76 headers.append(Base64.getEncoder().encodeToString(message.getBytes("UTF-8")).replaceAll("(.{64})(?=.)", "$1\r\n"));
77 headers.append("\r\n");
80 sendSigned(headers.toString(), out);
81 out.print("\r\n.\r\n");
83 } catch (GeneralSecurityException e) {
95 private static void readResponse(BufferedReader in) throws IOException {
97 while ((line = in.readLine()) != null && line.matches("\\d+-")) {
98 System.out.println(line);