import java.net.*;
import java.io.*;
-// FIXME: messages must NEVER contain 8-bit binary data; this is a violation of IMAP
-// FIXME: RFC822 1,000-char limit per line [soft line limit (suggested): 78 chars / hard line limit: 998 chars]
+// FIXME: body constraints (how to enforce?)
+// - 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]
// FEATURE: PGP-signature-parsing
// FEATURE: mailing list header parsing (?)
public static Message newMessage(Fountain in) throws Malformed { return new Message(in); }
+ /*
public Message reply(Fountain in, Address from, 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 = envelopeFrom;
+ if (to==null) throw new Malformed("cannot reply to a message without a return address");
Message ret = newMessage(in, from, to);
ret.headers.put("In-Reply-To", messageid);
String references = headers.get("references");
if (includeReInSubject && subject!=null && !subject.toLowerCase().trim().startsWith("re:"))
headers.put("subject", "Re: "+subject);
return ret;
- */
- // FIXME
- return null;
}
+ */
// FIXME
//public static Message newMessage(Headers headers, Fountain body, Address from, Address to) throws Malformed {
private Message(Fountain in) throws Malformed {
super(in);
+
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.bcc = Address.list(headers.get("Bcc"));
this.date = parseDate(headers.get("Date")) == null ? new Date() : parseDate(headers.get("Date"));
- // RFC2822 requires a "Date" field, so we synthesize one if missing
- if (headers.get("Date") == null)
- headers.set("Date", this.date.toString()); // FIXME: formatting
+ // reenable this once whitelisting is moved out of javascript
+ //if (this.messageid==null)
+ //throw new RuntimeException("every RFC2822 message must have a Message-ID: header");
+
+ /*
+ // synthesize a message-id if not provided
+ this.messageid = headers.get("Message-Id") == null ? generateFreshMessageId(sha1(in.getStream())) : headers.get("Message-Id");
+ if (headers.get("Message-Id") == null) {
+ headers = headers.set("Message-Id", this.messageid);
+ Log.warn(Message.class, "synthesizing message-id for " + summary());
+ }
+ */
this.arrival = this.date; // FIXME wrong; grab this from traces?
}
+ /*
+ private static String sha1(Stream stream) {
+ SHA1 sha1 = new SHA1();
+ byte[] b = new byte[1024];
+ while(true) {
+ int numread = stream.read(b, 0, b.length);
+ if (numread == -1) break;
+ sha1.update(b, 0, numread);
+ }
+ byte[] results = new byte[sha1.getDigestSize()];
+ sha1.doFinal(results, 0);
+ return new String(Encode.toBase64(results));
+ }
+ */
+
// Helpers /////////////////////////////////////////////////////////////////////////////
// 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()));
+ }
+ 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();
});
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";
try {
- return newMessage(new Fountain.Concatenate(new Fountain.StringFountain(h.getString()+"\r\n"+error), getBody()));
+ 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);