upd: rename sendmail to sendMail

[gigi.git] / src / org / cacert / gigi / email / SendMail.java

diff --git a/src/org/cacert/gigi/email/SendMail.java b/src/org/cacert/gigi/email/SendMail.java
new file mode 100644 (file)
index 0000000..43c07e8
--- /dev/null
+++ b/src/org/cacert/gigi/email/SendMail.java
@@ -0,0 +1,116 @@
+package org.cacert.gigi.email;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.Socket;
+import java.security.GeneralSecurityException;
+import java.text.SimpleDateFormat;
+import java.util.Base64;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Properties;
+import java.util.regex.Pattern;
+
+import org.cacert.gigi.util.PEM;
+import org.cacert.gigi.util.ServerConstants;
+
+public class SendMail extends EmailProvider {
+
+    private final String targetHost;
+
+    private final int targetPort;
+
+    protected SendMail(Properties props) {
+        targetHost = props.getProperty("emailProvider.smtpHost", "localhost");
+        targetPort = Integer.parseInt(props.getProperty("emailProvider.smtpPort", "25"));
+    }
+
+    private static final Pattern NON_ASCII = Pattern.compile("[^a-zA-Z0-9 .-\\[\\]!_@]");
+
+    @Override
+    public void sendMail(String to, String subject, String message, String from, String replyto, String toname, String fromname, String errorsto, boolean extra) throws IOException {
+
+        String[] bits = from.split(",");
+
+        try (Socket smtp = new Socket(targetHost, targetPort); PrintWriter out = new PrintWriter(new OutputStreamWriter(smtp.getOutputStream(), "UTF-8")); BufferedReader in = new BufferedReader(new InputStreamReader(smtp.getInputStream(), "UTF-8"));) {
+            readSMTPResponse(in, 220);
+            out.print("HELO www.cacert.org\r\n");
+            out.flush();
+            readSMTPResponse(in, 250);
+            out.print("MAIL FROM:<returns@cacert.org>\r\n");
+            out.flush();
+            readSMTPResponse(in, 250);
+            bits = to.split(",");
+            for (String user : bits) {
+                out.print("RCPT TO:<" + user.trim() + ">\r\n");
+                out.flush();
+                readSMTPResponse(in, 250);
+            }
+            out.print("DATA\r\n");
+            out.flush();
+            readSMTPResponse(in, 250);
+            out.print("X-Mailer: SomeCA.org Website\r\n");
+            // if (array_key_exists("REMOTE_ADDR", $_SERVER)) {
+            // out.print("X-OriginatingIP: ".$_SERVER["REMOTE_ADDR"]."\r\n");
+            // }
+            // TODO
+            SimpleDateFormat emailDate = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss ZZZZ (z)", Locale.ENGLISH);
+            out.print("Date: " + emailDate.format(new Date(System.currentTimeMillis())) + "\r\n");
+            if (errorsto != null) {
+                out.print("Sender: " + errorsto + "\r\n");
+                out.print("Errors-To: " + errorsto + "\r\n");
+            }
+            if (replyto != null) {
+                out.print("Reply-To: " + replyto + "\r\n");
+            } else {
+                out.print("Reply-To: " + from + "\r\n");
+            }
+            out.print("From: support@" + ServerConstants.getWwwHostName().replaceAll("^www.", "") + "\r\n");
+            out.print("To: " + to + "\r\n");
+            if (NON_ASCII.matcher(subject).matches()) {
+
+                out.print("Subject: =?utf-8?B?" + Base64.getEncoder().encodeToString(subject.getBytes("UTF-8")) + "?=\r\n");
+            } else {
+                out.print("Subject: " + subject + "\r\n");
+            }
+            StringBuffer headers = new StringBuffer();
+            headers.append("Content-Type: text/plain; charset=\"utf-8\"\r\n");
+            headers.append("Content-Transfer-Encoding: base64\r\n");
+            // out.print(chunk_split(base64_encode(recode("html..utf-8",
+            // $message)))."\r\n.\r\n");
+            headers.append("\r\n");
+            headers.append(PEM.formatBase64(message.getBytes("UTF-8")));
+            headers.append("\r\n");
+
+            try {
+                sendSigned(headers.toString(), out);
+                out.print("\r\n.\r\n");
+                out.flush();
+            } catch (GeneralSecurityException e) {
+                e.printStackTrace();
+                return;
+            }
+            readSMTPResponse(in, 250);
+            out.print("QUIT\n");
+            out.flush();
+            readSMTPResponse(in, 221);
+        }
+    }
+
+    public static boolean readSMTPResponse(BufferedReader in, int code) throws IOException {
+        String line;
+        while ((line = in.readLine()) != null) {
+            if (line.startsWith(code + " ")) {
+                return true;
+            } else if ( !line.startsWith(code + "-")) {
+                return false;
+            }
+        }
+        return false;
+
+    }
+
+}