+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
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;
-
- // envelope fields
- public final Address envelopeFrom;
- public final Address[] envelopeTo;
-
- public static class StoredMessage extends Message {
- public final int uid;
- public boolean deleted = false;
- public boolean read = false;
- public boolean answered = false;
- }
+// FEATURE: lazy body
+// FIXME RFC822 1,000-char limit per line
- 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);
- }
- }
+/**
+ * [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 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;
- }
- }
+ // Parsed Headers //////////////////////////////////////////////////////////////////////////////
- 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;
- }
- }
- }
+ public final Address to;
+ public final Address from; // if multiple From entries, this is sender
+ public final Address envelopeFrom;
+ public final Address envelopeTo;
+ public final Date date;
+ public final Date arrival;
+ 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 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;
+ 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");
}
- 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);
+ sb.append(s);
+ sb.append("\r\n");
}
- 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();
+ return newMessage(new Stream(sb.toString()));
+ }
+ 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
}
+
+ // 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) {
+ 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();
+ }
+
+ public int size() { return headers.raw.length() + 2 /* CRLF */ + body.length(); }
+ public String toString() { return headers.raw + "\r\n" + body; }
+
+ public static class Malformed extends Exception { public Malformed(String s) { super(s); } }
}
+
projects / org.ibex.mail.git / blobdiff