package org.ibex.mail;
import org.ibex.crypto.*;
-import org.ibex.js.*;
import org.ibex.util.*;
import org.ibex.mail.protocol.*;
+import org.ibex.io.*;
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
-// folded headers: can insert CRLF anywhere that whitespace appears (before the whitespace)
// date/time parsing: see spec, 3.3
-// FEATURE: MIME RFC2045, 2046, 2049
+// 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
-public class Message extends JSReflection {
+/**
+ * [immutable] This class encapsulates a message "floating in the
+ * ether": RFC2822 data but no storage-specific flags or other
+ * metadata.
+ */
+public class Message extends MIME.Part {
- private static class CaseInsensitiveHash extends Hashtable {
- public Object get(Object o) {
- if (o instanceof String) return super.get(((String)o).toLowerCase());
- return super.get(o);
- }
- public Object put(Object k, Object v) {
- if (k instanceof String) return super.put(((String)k).toLowerCase(), v);
- else return super.put(k, v);
+ // Envelope //////////////////////////////////////////////////////////////////////////////
+
+ public final Envelope envelope;
+ public static class Envelope extends org.ibex.js.JSReflection {
+ public Envelope(Address from, Address to, Date arrival) { this.to = to; this.from = from; this.arrival = arrival; }
+ public final Date arrival;
+ public final Address to;
+ public final Address from;
+ public static Envelope augment(Envelope e, MIME.Headers h) {
+ if (e.from != null && e.to != null) return e;
+ Address to = e.to == null ? Address.parse(h.gets("X-org.ibex.mail.headers.envelope.To")) : e.to;
+ Address from = e.from == null ? Address.parse(h.gets("X-org.ibex.mail.headers.envelope.From")) : e.from;
+ return new Envelope(from, to, e.arrival);
}
}
-
- public int rfc822size() { return allHeaders.length() + 2 /* CRLF */ + body.length(); } // double check this
-
- public final String allHeaders; // pristine headers
- public final Hashtable headers; // hash of headers (not including resent's and traces)
- public final String body; // entire body
- public final int lines; // lines in the body
-
- public final Date date;
- public final Address to;
- public final Address from; // if multiple From entries, this is sender
- public final Address replyto; // if none provided, this is equal to sender
- public final String subject;
- public final String messageid;
- public final Address[] cc;
- public final Address[] bcc;
+
+
+ // Parsed Headers //////////////////////////////////////////////////////////////////////////////
+
+ public final Address to;
+ public final Address from; // if multiple From entries, this is sender
+ public final Date date;
+ public final Address replyto; // if none provided, this is equal to sender
+ public final String subject;
+ public final String messageid;
+ public final Address[] cc;
+ public final Address[] bcc;
public final Hashtable[] resent;
- public final Trace[] traces;
-
- public final Address envelopeFrom;
- public final Address[] envelopeTo;
-
- public final Date arrival; // when the message first arrived at this machine; IMAP "internal date message attr"
-
- public void dump(OutputStream os) throws IOException {
- Writer w = new OutputStreamWriter(os);
- w.write(allHeaders);
- w.write("X-IbexMail-EnvelopeFrom: " + envelopeFrom + "\r\n");
- w.write("X-IbexMail-EnvelopeTo: "); for(int i=0; i<envelopeTo.length; i++) w.write(envelopeTo[i] + " "); w.write("\r\n");
- w.write("\r\n");
- w.write(body);
- w.flush();
+
+ public Message(Stream stream, Envelope envelope) throws Malformed {
+ super(stream, null, false);
+ Vec resent = new Vec(), traces = new Vec();
+ this.envelope = Envelope.augment(envelope, headers);
+ this.to = headers.gets("To") == null ? envelope.to : Address.parse(headers.gets("To"));
+ this.from = headers.gets("From") == null ? envelope.from : Address.parse(headers.gets("From"));
+ 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"));
+ resent.copyInto(this.resent = new Hashtable[resent.size()]);
+ traces.copyInto(this.traces = new Trace[traces.size()]);
}
- /*
- public static class Persistent {
- public boolean deleted = false;
- public boolean seen = false;
- public boolean flagged = false;
- public boolean draft = false;
- public boolean answered = false;
- public boolean recent = false;
- public int uid = 0;
+
+
+ // Helpers /////////////////////////////////////////////////////////////////////////////
+
+ // http://www.jwz.org/doc/mid.html
+ private static final Random random = new Random();
+ public static String generateFreshMessageId() {
+ StringBuffer ret = new StringBuffer();
+ ret.append('<');
+ ret.append(Base36.encode(System.currentTimeMillis()));
+ ret.append('.');
+ ret.append(Base36.encode(random.nextLong()));
+ ret.append('.');
+ try { ret.append(InetAddress.getLocalHost().getHostName()); } catch (UnknownHostException e) { /* DELIBERATE */ }
+ ret.append('>');
+ return ret.toString();
}
- */
- /*
- public static class StoredMessage extends Message {
- public int uid;
- public final int uid;
- public final int uidValidity; // must be reset if mailbox is deleted and then recreated
- public final int sequenceNumber; // starts at 1; numbers reshuffled upon EXPUNGE
- public Hash keywords = new Hash();
- public boolean deleted = false;
- public boolean seen = false;
- public boolean flagged = false;
- public boolean draft = false;
- public boolean answered = false;
- public boolean recent = false; // "Message is "recently" arrived in this mailbox. This
- // session is the first session to have been notified
- // about this message;
- public StoredMessage(LineReader rs) throws IOException, MailException.Malformed { super(rs); }
+
+ public static Date parseDate(String s) { return null; } // FIXME!!!
+
+ // use null-sender for error messages (don't send errors to the null addr)
+ public Message bounce(String reason) {
+ Log.warn(Message.class, "bounce not implemented");
+ return null;
+ } // FIXME!
+
+ public String summary() { return "[" + envelope.from + " -> " + envelope.to + "] " + subject; }
+
+ public void dump(Stream s) {
+ s.setNewline("\r\n");
+ s.println(headers.raw);
+ s.println();
+ s.println(body);
+ s.flush();
}
- */
+ public int size() { return headers.raw.length() + 2 /* CRLF */ + body.length(); }
+ public String toString() { return headers.raw + "\r\n" + body; }
+
+
+ // SMTP Traces //////////////////////////////////////////////////////////////////////////////
+
+ public final Trace[] traces;
public class Trace {
final String returnPath;
final Element[] elements;
- public Trace(LineReader lr) throws Trace.Malformed, IOException {
- String retPath = lr.readLine();
+ public Trace(Stream stream) throws Trace.Malformed {
+ String retPath = stream.readln();
if (!retPath.startsWith("Return-Path:")) throw new Trace.Malformed("trace did not start with Return-Path header");
returnPath = retPath.substring(12).trim();
Vec el = new Vec();
while(true) {
- String s = lr.readLine();
+ String s = stream.readln();
if (s == null) break;
- if (!s.startsWith("Received:")) { lr.pushback(s); break; }
+ if (!s.startsWith("Received:")) { stream.unread(s); break; }
s = s.substring(9).trim();
el.addElement(new Element(s));
}
public class Malformed extends Message.Malformed { public Malformed(String s) { super(s); } }
}
- public static class Malformed extends MailException.Malformed { public Malformed(String s) { super(s); } }
- public Message(Address envelopeFrom, Address[] envelopeTo, LineReader rs) throws IOException, MailException.Malformed {
- this.envelopeFrom = envelopeFrom;
- this.envelopeTo = envelopeTo;
- this.arrival = new Date();
- this.headers = new CaseInsensitiveHash();
- String key = null;
- StringBuffer all = new StringBuffer();
- Date date = null;
- Address to = null, from = null, replyto = null;
- String subject = null, messageid = null;
- Vec cc = new Vec(), bcc = new Vec(), resent = new Vec(), traces = new Vec();
- for(String s = rs.readLine(); s != null && !s.equals(""); s = rs.readLine()) {
- all.append(s);
- all.append("\r\n");
- if (s.length() == 0 || Character.isSpace(s.charAt(0))) {
- if (key == null) throw new Malformed("Message began with a blank line; no headers");
- headers.put(key, headers.get(key) + s);
- continue;
- }
- if (s.indexOf(':') == -1) throw new Malformed("Header line does not contain colon: " + s);
- key = s.substring(0, s.indexOf(':'));
- for(int i=0; i<key.length(); i++)
- if (key.charAt(i) < 33 || key.charAt(i) > 126)
- throw new Malformed("Header key \""+key+"\" contains invalid character \"" + key.charAt(i) + "\"");
- String val = s.substring(s.indexOf(':') + 1).trim();
- while(Character.isSpace(val.charAt(0))) val = val.substring(1);
- if (key.startsWith("Resent-")) {
- if (key.startsWith("Resent-From")) resent.addElement(new Hashtable());
- ((Hashtable)resent.lastElement()).put(key.substring(7), val);
- } else if (key.startsWith("Return-Path:")) {
- rs.pushback(s); traces.addElement(new Trace(rs));
- } else {
- // just append it to the previous one; valid for Comments/Keywords
- if (headers.get(key) != null) val = headers.get(key) + " " + val;
- headers.put(key, val);
- }
- }
+ public static class Malformed extends Exception { public Malformed(String s) { super(s); } }
- this.date = (Date)headers.get("Date");
- this.to = new Address((String)headers.get("To")); // FIXME what if null?
- this.from = headers.get("From") == null ? envelopeFrom : new Address((String)headers.get("From"));
- this.replyto = headers.get("Reply-To") == null ? null : new Address((String)headers.get("Reply-To"));
- this.subject = (String)headers.get("Subject");
- this.messageid = (String)headers.get("Message-Id");
- if (headers.get("Cc") != null) {
- StringTokenizer st = new StringTokenizer((String)headers.get("Cc"));
- this.cc = new Address[st.countTokens()];
- for(int i=0; i<this.cc.length; i++) this.cc[i] = new Address(st.nextToken());
- } else {
- this.cc = new Address[0];
- }
- if (headers.get("Bcc") != null) {
- StringTokenizer st = new StringTokenizer((String)headers.get("Bcc"));
- this.bcc = new Address[st.countTokens()];
- for(int i=0; i<this.bcc.length; i++) this.bcc[i] = new Address(st.nextToken());
- } else {
- this.bcc = new Address[0];
- }
- resent.copyInto(this.resent = new Hashtable[resent.size()]);
- traces.copyInto(this.traces = new Trace[traces.size()]);
- allHeaders = all.toString();
- StringBuffer body = new StringBuffer();
- int lines = 0;
- for(String s = rs.readLine();; s = rs.readLine()) { if (s == null) break; lines++; body.append(s + "\r\n"); }
- this.lines = lines;
- this.body = body.toString();
- }
-
- // http://www.jwz.org/doc/mid.html
- private static final Random random = new Random();
- public static String generateFreshMessageId() {
- StringBuffer ret = new StringBuffer();
- ret.append('<');
- ret.append(Base36.encode(System.currentTimeMillis()));
- ret.append('.');
- ret.append(Base36.encode(random.nextLong()));
- ret.append('.');
- try { ret.append(InetAddress.getLocalHost().getHostName()); } catch (UnknownHostException e) { /* DELIBERATE */ }
- ret.append('>');
- return ret.toString();
- }
-
- public String summary() {
- return
- " Subject: " + subject + "\n" +
- " EnvelopeFrom: " + envelopeFrom + "\n" +
- " EnvelopeTo: " + envelopeTo + "\n" +
- " MessageId: " + messageid;
- }
-
- public Message bounce(String reason) {
- // use null-sender for error messages (don't send errors to the null addr)
- // FIXME
- throw new RuntimeException("bounce not implemented");
- }
}
+
+ /*
+ if (key.startsWith("Resent-")) {
+ if (resent.size() == 0 || key.startsWith("Resent-From")) resent.addElement(new Hashtable());
+ ((Hashtable)resent.lastElement()).put(key.substring(7), val);
+ } else if (key.startsWith("Return-Path")) {
+ stream.unread(s);
+ traces.addElement(new Trace(stream));
+ */
projects / org.ibex.mail.git / blobdiff