import org.ibex.crypto.*;
import org.ibex.util.*;
import org.ibex.mail.protocol.*;
+import org.ibex.js.*;
import org.ibex.io.*;
+import org.ibex.io.Fountain;
import java.util.*;
import java.net.*;
import java.io.*;
-// FIXME this is important: folded headers: can insert CRLF anywhere that whitespace appears (before the whitespace)
-
-// soft line limit (suggested): 78 chars / hard line limit: 998 chars
-// date/time parsing: see spec, 3.3
-
-// FIXME: messages must NEVER contain 8-bit binary data; this is a violation of IMAP
-
-// FEATURE: PGP-signature-parsing
-// FEATURE: mailing list header parsing
-// FEATURE: delivery status notification (and the sneaky variety)
-// FEATURE: threading as in http://www.jwz.org/doc/threading.html
-// FEATURE: lazy body
-// FIXME RFC822 1,000-char limit per line
+// FEATURE: body constraints (how to enforce without reading stream, though?)
+// - messages must NEVER contain 8-bit binary data; this is a violation of IMAP
+// - RFC822 1,000-char limit per line [soft line limit (suggested): 78 chars / hard line limit: 998 chars]
/**
* [immutable] This class encapsulates a message "floating in the
public final Address[] cc;
public final Address[] bcc;
- public static Message newMessage(Stream stream) throws Malformed { return newMessage(stream, null, null); }
- public static Message newMessage(Stream stream, Address from, Address to) throws Malformed {
- if (from == null && to == null) return new Message(stream);
- StringBuffer sb = new StringBuffer();
- boolean inheaders = true;
- if (from != null) sb.append("Return-Path: " + from.toString(true) + "\r\n");
- while(true) {
- String s = stream.readln();
- if (s == null) break;
- if (inheaders && to != null && s.toLowerCase().startsWith("envelope-to:")) continue;
- if (inheaders && from != null && s.toLowerCase().startsWith("return-path:")) continue;
- if (s.length() == 0 && inheaders) {
- inheaders = false;
- if (to != null) sb.append("Envelope-To: " + to.toString(true) + "\r\n");
- }
- sb.append(s);
- sb.append("\r\n");
- }
- return newMessage(new Stream(sb.toString()));
+ public static Message newMessage(Fountain in) throws Malformed { return new Message(in, null); }
+ public static Message newMessageFromHeadersAndBody(Headers head, Fountain body, Address from, Address to) throws Malformed {
+ return new Message(Fountain.Util.concat(head, Fountain.Util.create("\r\n"), body),
+ new String[] {
+ "Return-Path", from==null ? "<>" : from.toString(true),
+ "Envelope-To", to.toString(true)
+ });
}
- private Message(Stream stream) throws Malformed {
- super(stream, null, false);
- this.envelopeTo = headers.gets("Envelope-To") != null ? Address.parse(headers.gets("Envelope-To")) : null;
- this.envelopeFrom = headers.gets("Return-Path") != null ? Address.parse(headers.gets("Return-Path")) : null;
- this.to = headers.gets("To") != null ? Address.parse(headers.gets("To")) : this.envelopeTo;
- this.from = headers.gets("From") != null ? Address.parse(headers.gets("From")) : this.envelopeFrom;
- this.replyto = headers.gets("Reply-To") == null ? null : Address.parse(headers.gets("Reply-To"));
- this.subject = headers.gets("Subject");
- this.messageid = headers.gets("Message-Id");
- this.cc = Address.list(headers.gets("Cc"));
- this.bcc = Address.list(headers.gets("BCc"));
- this.date = parseDate(headers.gets("Date")) == null ? new Date() : parseDate(headers.gets("Date"));
- this.arrival = this.date; // FIXME wrong
+ /*
+ public static Message newMessageWithEnvelope(Fountain in, Address from, Address to) throws Malformed {
+ return new Message(in,
+ new String[] {
+ "Return-Path", from==null ? "<>" : from.toString(true),
+ "Envelope-To", to.toString(true)
+ });
+ }
+ */
+ public Message withEnvelope(Address from, Address to) {
+ return new Message(this,
+ new String[] {
+ "Return-Path", from==null ? "<>" : from.toString(true),
+ "Envelope-To", to.toString(true)
+ });
+ }
+ private Message(Fountain in, String[] keyval) throws Malformed {
+ super(in, keyval);
+
+ this.envelopeTo = headers.get("Envelope-To") != null ? Address.parse(headers.get("Envelope-To")) : null;
+ this.envelopeFrom = headers.get("Return-Path") != null ? Address.parse(headers.get("Return-Path")) : null;
+ this.to = headers.get("To") != null ? Address.parse(headers.get("To")) : this.envelopeTo;
+ this.from = headers.get("From") != null ? Address.parse(headers.get("From")) : this.envelopeFrom;
+ this.replyto = headers.get("Reply-To") == null ? null : Address.parse(headers.get("Reply-To"));
+ this.subject = headers.get("Subject");
+ String messageid = headers.get("Message-Id");
+ this.cc = Address.list(headers.get("Cc"));
+ this.bcc = Address.list(headers.get("Bcc"));
+ Date date = RobustDateParser.parseDate(headers.get("Date"));
+ this.date = date==null ? new Date() : date;
+ this.arrival = this.date; // FIXME wrong: should grab this from traces, I think?
+
+ if (messageid == null) {
+ SHA1 sha1 = new SHA1();
+ Stream s = this.getStream();
+ s.setInputDigest(sha1);
+ s.transcribe(new Stream(new NullOutputStream()));
+ byte[] end = new byte[sha1.getDigestSize()];
+ sha1.doFinal(end, 0);
+ messageid = "<synthetic.messageid." + Encode.toBase64String(end) + ">";
+ Log.info(this, "synthesized messageid " + messageid);
+ }
+ this.messageid = messageid;
}
// http://www.jwz.org/doc/mid.html
private static final Random random = new Random();
public static String generateFreshMessageId() {
+ return generateFreshMessageId(Base36.encode(System.currentTimeMillis())+'.'+
+ Base36.encode(random.nextLong()));
+ }
+ // FEATURE: sha1-based deterministic messageids? probably only useful for some virtual Mailbox impls though
+ public static String generateFreshMessageId(String seed) {
StringBuffer ret = new StringBuffer();
ret.append('<');
- ret.append(Base36.encode(System.currentTimeMillis()));
- ret.append('.');
- ret.append(Base36.encode(random.nextLong()));
- ret.append('.');
+ ret.append(seed);
+ ret.append('@');
try { ret.append(InetAddress.getLocalHost().getHostName()); } catch (UnknownHostException e) { /* DELIBERATE */ }
ret.append('>');
return ret.toString();
}
- public static Date parseDate(String s) { return null; } // FIXME!!!
-
- // use null-sender for error messages (don't send errors to the null addr)
+ // FIXME: untested. Do we really want to duplicate all the old headers???
+ public Message reply(Fountain body, Address from, boolean includeReInSubject) throws Malformed {
+ return reply(new String[0], body, from, includeReInSubject);
+ }
+ public Message reply(String[] keyval, Fountain body, Address envelopeFrom, boolean includeReInSubject) throws Malformed {
+ Address to = null;
+ if (to==null) to = Address.parse(headers.get("reply-to"));
+ if (to==null) to = Address.parse(headers.get("from"));
+ if (to==null) to = this.envelopeFrom;
+ if (to==null) throw new Malformed("cannot reply to a message without a return address");
+ String references = headers.get("references");
+ String subject = this.subject;
+ if (includeReInSubject && subject!=null && !subject.toLowerCase().trim().startsWith("re:"))
+ subject = "Re: "+subject;
+ Headers h = new Headers(new Headers(new String[] {
+ "To", to.toString(true),
+ "Message-Id", generateFreshMessageId(),
+ "Date", new Date()+"" /*FIXME!!!*/,
+ "Subject", subject,
+ "In-Reply-To", messageid,
+ "References", messageid + (references==null?"":(" "+references))
+ }), keyval);
+ return newMessageFromHeadersAndBody(h, body, from, to);
+ }
+
+ // this is belived to be compliant with QSBMF (http://cr.yp.to/proto/qsbmf.txt)
public Message bounce(String reason) {
- Log.warn(Message.class, "bounce not implemented");
- return null;
- } // FIXME!
-
- public String summary() { return "[" + envelopeFrom + " -> " + envelopeTo + "] " + subject; }
-
- public void dump(Stream s) {
- s.setNewline("\r\n");
- s.println(headers.raw);
- s.println("");
- s.println(body);
- s.flush();
+ if (envelopeFrom==null || envelopeFrom.toString().equals("")) return null;
+
+ // FIXME: limit bounce body size
+ // FIXME: include headers from bounced message
+ Log.warn(Message.class, "bouncing message due to: " + reason);
+ Headers h = new Headers(headers, new String[] {
+ "Envelope-To", envelopeFrom.toString(),
+ "Return-Path", "<>",
+ "From", "MAILER-DAEMON <>",
+ "To", envelopeFrom.toString(),
+ "Subject", "failure notice"
+ });
+
+ String error =
+ "\r\n"+
+ "Hi. This is the Ibex Mail Server. I'm afraid I wasn't able to deliver\r\n"+
+ "your message to the following addresses. This is a permanent error;\r\n"+
+ "I've given up. Sorry it didn't work out\r\n."+
+ "\r\n"+
+ "<"+envelopeTo.toString()+">:\r\n"+
+ reason+"\r\n"+
+ "\r\n"+
+ "--- Below this line is a copy of the message.\r\n"+
+ "\r\n";
+
+ try {
+ return newMessage(Fountain.Util.concat(h, Fountain.Util.create(error), getBody()));
+ } catch (Message.Malformed e) {
+ Log.error(this, "caught Message.Malformed in Message.bounce(); this should never happen");
+ Log.error(this, e);
+ return null;
+ }
}
- public int size() { return headers.raw.length() + 2 /* CRLF */ + body.length(); }
- public String toString() { return headers.raw + "\r\n" + body; }
+ public String toString() { throw new RuntimeException("Message.toString() called"); }
+ public final String summary() { return "[" + envelopeFrom + " -> " + envelopeTo + "] " + subject; }
- public static class Malformed extends Exception { public Malformed(String s) { super(s); } }
+ public static class Malformed extends MailException { public Malformed(String s) { super(s); } }
+
+ /** reads an SMTP-style dot-escaped message */
+ static Message readDotEncodedMessage(Stream conn) {
+ StringBuffer buf = new StringBuffer();
+ while(true) {
+ String s = conn.readln();
+ if (s == null) throw new RuntimeException("connection closed");
+ if (s.equals(".")) break;
+ if (s.startsWith(".")) s = s.substring(1);
+ buf.append(s);
+ buf.append("\r\n");
+ }
+ return Message.newMessage(new Fountain.StringFountain(buf.toString()));
+ }
}
projects / org.ibex.mail.git / blobdiff