package org.ibex.mail;
-// FIXME MIME: RFC2045, 2046, 2049
-// NOTE: always use Win32 line endings
-// hard line limit: 998 chars
-// soft line limit (suggested): 78 chars
-// header fields: ascii 33-126 (but no colon)
-// field body: anything ASCII except CRLF
-// folded headers: can insert CRLF anywhere that whitespace appears (before the whitespace)
-// body needs CRLF; one or the other alone is not acceptable
-// date/time parsing: see 3.3
+import org.ibex.crypto.*;
+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
+// 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
-public class Message {
-
- public final String allHeaders; // pristine headers
- public final Hashtable headers; // hash of headers (not including resent's and traces)
-
- // parsed header fields
- 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;
- public final Hashtable[] resent;
- public final Trace[] traces;
+// FEATURE: lazy body
+// FIXME RFC822 1,000-char limit per line
- // envelope fields
- public final Address envelopeFrom;
- public final Address[] envelopeTo;
+/**
+ * [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 {
- public static class StoredMessage extends Message {
- public final int uid;
- public boolean deleted = false;
- public boolean read = false;
- public boolean answered = false;
- }
+ // Envelope //////////////////////////////////////////////////////////////////////////////
- public static class Address {
- public final String user;
- public final String host;
- public final String description;
- public Address(String user, String host, String description) {
- this.user = user; this.host = host; this.description = description;
- }
- public Address(String s) {
- s = s.trim();
- String descrip = null;
- if (s.indexOf('<') != -1) {
- if (s.indexOf('>') == -1) { /* FIXME */ }
- descrip = s.substring(0, s.indexOf('<')) + s.substring(s.indexOf('>') + 1);
- s = s.substring(s.indexOf('<') + 1, s.indexOf('>'));
- }
- if (s.indexOf('@') == -1) { /* FIXME */ }
- description = descrip;
- user = s.substring(0, s.indexOf('@'));
- host = s.substring(s.indexOf('@')+1);
+ 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.get("X-org.ibex.mail.headers.envelope.To")) : e.to;
+ Address from = e.from == null ? Address.parse(h.get("X-org.ibex.mail.headers.envelope.From")) : e.from;
+ return new Envelope(from, to, e.arrival);
}
}
- public class Trace {
- final String returnPath = null;
- final Element[] elements;
- public class Element {
- final String fromDomain;
- final String fromIP;
- final String toDomain;
- final String forWhom;
- final Date date;
- }
- }
- public static class Base36 {
- public static String encode(long l) {
- StringBuffer ret = new StringBuffer();
- while (l > 0) {
- if ((l % 36) < 10) ret.append((char)(((int)'0') + (int)(l % 36)));
- else ret.append((char)(((int)'A') + (int)((l % 36) - 10)));
- l /= 36;
- }
- }
- }
+ // Parsed Headers //////////////////////////////////////////////////////////////////////////////
- public Message(ReadStream rs) {
- String key = null;
- StringBuffer all = new StringBuffer();
- for(String s = rs.readLine(); s != null && !s.equals(""); s = rs.readLine()) {
- all.append(s);
- all.append("\r\n");
- if (Character.isSpace(s.charAt(0))) {
- if (lastKey == null) { /* FIXME */ }
- headers.put(lastKey, headers.get(lastKey) + s);
- continue;
- }
- if (s.indexOf(':') == -1) { /* FIXME */ }
-
- key = s.substring(0, s.indexOf(':'));
- String val = s.substring(0, s.indexOf(':') + 1);
- while(Character.isSpace(val.charAt(0))) val = val.substring(1);
-
- if (headers.get(key) != null)
- if (key.startsWith("Resent-")) {
- // FIXME: multi-resent headers
- } else if (key.startsWith("Return-Path:")) {
- // FIXME: parse traces, see RFC2821, section 4.4
- } else if (key.startsWith("Recieved:")) {
- // FIXME: parse traces, see RFC2821, section 4.4
- } else {
- // just append it to the previous one; valid for Comments/Keywords
- val = headers.get(key) + " " + val;
- }
-
- headers.put(key, val);
- }
- pristeneHeaders = all.toString();
- StringBuffer body = new StringBuffer();
- for(String s = rs.readLine(); s != null && !s.equals(""); s = rs.readLine()) body.append(s);
- this.body = body.toString();
+ 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 int lines; // lines in the body FIXME not accurate anymore
+
+
+ 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.get("To") == null ? envelope.to : Address.parse(headers.get("To"));
+ this.from = headers.get("From") == null ? envelope.from : Address.parse(headers.get("From"));
+ this.replyto = headers.get("Reply-To") == null ? null : Address.parse(headers.get("Reply-To"));
+ this.subject = headers.get("Subject");
+ this.messageid = headers.get("Message-Id");
+ this.cc = Address.list(headers.get("Cc"));
+ this.bcc = Address.list(headers.get("BCc"));
+ this.date = parseDate(headers.get("Date"));
+ this.lines = 0; /* FIMXE */
+ resent.copyInto(this.resent = new Hashtable[resent.size()]);
+ traces.copyInto(this.traces = new Trace[traces.size()]);
}
+
+ // 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('<');
return ret.toString();
}
- private static final Random random = new Random();
+ 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) { throw new RuntimeException("bounce not implemented"); } // FIXME!
+
+ public String summary() {
+ return
+ " Subject: " + subject + "\n" +
+ " EnvelopeFrom: " + envelope.from + "\n" +
+ " EnvelopeTo: " + envelope.to + "\n" +
+ " MessageId: " + messageid;
+ }
+
+ 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(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 = stream.readln();
+ if (s == null) break;
+ if (!s.startsWith("Received:")) { stream.unread(s); break; }
+ s = s.substring(9).trim();
+ el.addElement(new Element(s));
+ }
+ elements = new Element[el.size()];
+ el.copyInto(elements);
+ }
+ public class Element {
+ String fromDomain;
+ String fromIP;
+ String toDomain;
+ String forWhom;
+ Date date;
+ public Element(String fromDomain, String fromIP, String toDomain, String forWhom, Date date) {
+ this.fromDomain=fromDomain; this.fromIP=fromIP; this.toDomain=toDomain; this.forWhom=forWhom; this.date=date; }
+ public Element(String s) throws Trace.Malformed {
+ StringTokenizer st = new StringTokenizer(s);
+ if (!st.nextToken().equals("FROM")) throw new Trace.Malformed("trace did note have a FROM element: " + s);
+ fromDomain = st.nextToken();
+ if (!st.nextToken().equals("BY")) throw new Trace.Malformed("trace did note have a BY element: " + s);
+ toDomain = st.nextToken();
+ // FIXME not done yet
+ }
+ }
+ public class Malformed extends Message.Malformed { public Malformed(String s) { super(s); } }
+ }
+
+ public static class Malformed extends Exception { public Malformed(String s) { super(s); } }
+
}
+
+ /*
+ 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