import java.net.*;
import java.io.*;
-// FIXME this is important
-// folded headers: can insert CRLF anywhere that whitespace appears (before the whitespace)
+// 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
// 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
/**
* [immutable] This class encapsulates a message "floating in the
* ether": RFC2822 data but no storage-specific flags or other
* metadata.
*/
-public class Message extends org.ibex.js.JSReflection {
+public class Message extends MIME.Part {
+
+ // Envelope //////////////////////////////////////////////////////////////////////////////
+
+ public final Envelope envelope;
+ public static class Envelope {
+ public Envelope(Address to, Address from, 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(to, from, e.arrival);
+ }
+ }
+
- public final String allHeaders; // pristine headers
- public final CaseInsensitiveHash headers; // hash of headers (not including resent's and traces)
- public final String body; // entire body
- public final int lines; // lines in the body
+ // Parsed Headers //////////////////////////////////////////////////////////////////////////////
- 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 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 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()]);
+ }
- public final Address envelopeFrom;
- public final Address envelopeTo;
- public final boolean mime; // true iff Mime-Version is 1.0
+ // Helpers /////////////////////////////////////////////////////////////////////////////
- public final Date arrival; // when the message first arrived at this machine; IMAP "internal date message attr"
-
- public int size() { return allHeaders.length() + 2 /* CRLF */ + body.length(); }
- public String toString() { return allHeaders + "\r\n" + body; }
+ // 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 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("X-org.ibex.mail.headers.envelope.From: " + envelopeFrom);
- s.println("X-org.ibex.mail.headers.envelope.To: " + envelopeTo);
- s.println(allHeaders);
+ 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 static class Malformed extends Exception { public Malformed(String s) { super(s); } }
- public Message(Address from, Address to, String s, Date arrival) throws Malformed {this(from,to,new Stream(s), arrival); }
- public Message(Address from, Address to, Stream in) throws Malformed { this(from, to, in, new Date()); }
- public Message(Address envelopeFrom, Address envelopeTo, Stream stream, Date arrival) throws Malformed {
- this.arrival = arrival;
- this.headers = new CaseInsensitiveHash();
- Vec envelopeToHeader = new Vec();
- 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();
- int lines = 0;
- for(String s = stream.readln(); s != null && !s.equals(""); s = stream.readln()) {
- all.append(s);
- lines++;
- all.append("\r\n");
-
- // FIXME RFC822 1,000-char limit per line
-
-
- // FIXME only iff Mime 1.0 (?)
- // RFC 2047
- try { while (s.indexOf("=?") != -1) {
- String pre = s.substring(0, s.indexOf("=?"));
- s = s.substring(s.indexOf("=?") + 2);
-
- // MIME charset; FIXME use this
- String charset = s.substring(0, s.indexOf('?')).toLowerCase();
- s = s.substring(s.indexOf('?') + 1);
-
- String encoding = s.substring(0, s.indexOf('?')).toLowerCase();
- s = s.substring(s.indexOf('?') + 1);
-
- String encodedText = s.substring(0, s.indexOf("?="));
-
- if (encoding.equals("b")) encodedText = new String(Base64.decode(encodedText));
-
- // except that ANY char can be endoed (unlike real qp)
- else if (encoding.equals("q")) encodedText = MIME.QuotedPrintable.decode(encodedText, true);
- else Log.warn(this, "unknown RFC2047 encoding \""+encoding+"\"");
-
- String post = s.substring(s.indexOf("?=") + 2);
- s = pre + encodedText + post;
-
- // FIXME re-encode when transmitting
-
- } } catch (Exception e) {
- Log.warn(this, "error trying to decode RFC2047 encoded-word: \""+s+"\"");
- Log.warn(this, e);
- }
+}
- if (s.length() == 0 || Character.isSpace(s.charAt(0))) {
- if (key == null) throw new Malformed("Message began with a blank line; no headers");
- ((CaseInsensitiveHash)headers).add(key, headers.get(key) + s.trim());
- 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(val.length() > 0 && Character.isSpace(val.charAt(0))) val = val.substring(1);
+ /*
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));
- } else if (key.equals("X-org.ibex.mail.headers.envelope.From")) {
- try { if (envelopeFrom == null) envelopeFrom = new Address(val);
- } catch (Address.Malformed a) { Log.warn(this, a); }
- } else if (key.equals("X-org.ibex.mail.headers.envelope.To")) {
- try {if (envelopeTo == null) envelopeTo = new Address(val);
- } catch (Address.Malformed a) { Log.warn(this, a); }
- } else {
- // just append it to the previous one; valid for Comments/Keywords
- if (headers.get(key) != null) val = headers.get(key) + " " + val;
- ((CaseInsensitiveHash)headers).add(key, val);
- }
- }
-
- // FIXME what if all are null?
- this.to = headers.get("To") == null ? envelopeTo : Address.parse((String)headers.get("To"));
- this.from = headers.get("From") == null ? envelopeFrom : Address.parse((String)headers.get("From"));
- this.envelopeFrom = envelopeFrom == null ? this.from : envelopeFrom;
- this.envelopeTo = envelopeTo == null ? this.to : envelopeTo;
- this.mime = headers.get("mime-version") != null && headers.get("mime-version").toString().trim().startsWith("1.0");
-
- this.date = new Date(); // FIXME (Date)headers.get("Date");
- this.replyto = headers.get("Reply-To") == null ? null : Address.parse((String)headers.get("Reply-To"));
- this.subject = (String)headers.get("Subject");
- this.messageid = (String)headers.get("Message-Id");
- if (headers.get("Cc") != null) {
- // FIXME: tokenize better
- 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] = Address.parse(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] = Address.parse(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();
- for(String s = stream.readln();; s = stream.readln()) {
- if (s == null) break;
- lines++;
- body.append(s); // FIXME: we're assuming all mail messages fit in memory
- body.append("\r\n");
- }
- this.lines = lines;
- this.body = body.toString();
- }
-
- public static class Part {
- public final String type;
- public final String subtype;
- public final Hash parameters = new Hash();
- public final Part[] subparts;
- public final String payload;
- public final String id;
- public final String description;
-
- public final boolean composite;
- public final boolean alternative;
-
- // FIXME charsets US-ASCII, ISO-8559-X,
- public Part(String contentTypeHeader, String transferEncoding,
- String id, String description, String payload) throws Malformed {
- this.id = id;
- this.description = description;
-
- // NOTE: it is not valid to send a multipart message as base64 or quoted-printable; you must encode each section
- if (transferEncoding == null) transferEncoding = "7bit";
- transferEncoding = transferEncoding.toLowerCase();
- if (transferEncoding.equals("quoted-printable")) {
- this.payload = MIME.QuotedPrintable.decode(payload, false);
- subparts = null;
- } else if (transferEncoding.equals("base64")) {
- this.payload = new String(Base64.decode(payload));
- subparts = null;
- } else if (transferEncoding.equals("7bit") || transferEncoding.equals("8bit") ||
- transferEncoding.equals("binary")) {
- this.payload = payload;
-
- // multipart/mixed -- default
- // multipart/parallel -- order of components does not matter
- // multipart/alternative -- same data, different versions
- // multipart/digest -- default content-type of components is message/rfc822
-
- // message/rfc822
- // message/partial -- not supported; see RFC 2046, section 5.2.2
- // message/external-body -- not supported; see RFC 2046, section 5.2.3
-
- /* FIXME
- if (composite) {
- // FIXME: StringTokenizer doesn't really work like this
- String boundary = "--" + parameters.get("boundary"); // CRLF, delimiter, optional whitespace, plus CRLF
- // preceeding CRLF is part of delimiter
- // boundary (including --) cannot be > 70 chars
- // delimiter after final part also has a '--' on the end
- // first part begins with a boundary delimiter
- StringTokenizer st = new StringTokenizer(payload, boundary);
- Vec v = new Vec();
- while(st.hasMoreTokens()) {
- st.nextToken();
- Part p = new Part();
- v.addElement(p);
- }
- v.copyInto(subparts = new Part[v.size()]);
- } else {
- }
- */
- subparts = null;
- } else {
- Log.warn(this, "unknown Content-Transfer-Encoding \"" + transferEncoding +
- "\"; forcing Content-Type to application/octet-stream (originally \""+contentTypeHeader+"\"");
- contentTypeHeader = "application/octet-stream";
- this.payload = payload;
- subparts = null;
- }
-
- if (contentTypeHeader == null) {
- type = "text";
- subtype = "plain";
- parameters.put("charset", "us-ascii");
- } else {
- contentTypeHeader = contentTypeHeader.trim();
- if (contentTypeHeader.endsWith(")")) // remove RFC822 comments
- contentTypeHeader = contentTypeHeader.substring(0, contentTypeHeader.lastIndexOf('('));
- if (contentTypeHeader.indexOf('/') == -1)
- throw new Malformed("content-type header lacks a forward slash: \"" + contentTypeHeader + "\"");
- type = contentTypeHeader.substring(0, contentTypeHeader.indexOf('/')).toLowerCase();
- contentTypeHeader = contentTypeHeader.substring(contentTypeHeader.indexOf('/') + 1);
- if (contentTypeHeader.indexOf(';') == -1) {
- subtype = contentTypeHeader.toLowerCase();
- } else {
- subtype = contentTypeHeader.substring(0, contentTypeHeader.indexOf(';')).toLowerCase();
- StringTokenizer st = new StringTokenizer(contentTypeHeader.substring(contentTypeHeader.indexOf(';') + 1), ";");
- while(st.hasMoreTokens()) {
- String key = st.nextToken().trim();
- if (key.indexOf('=') == -1)
- throw new Malformed("content-type parameter lacks an equals sign: \""+key+"\"");
- String val = key.substring(key.indexOf('=')+1).trim();
- if (val.startsWith("\"") && val.endsWith("\"")) val = val.substring(1, val.length() - 2);
- key = key.substring(0, key.indexOf('=')+1).toLowerCase();
- parameters.put(key, val);
- }
- }
- }
-
- composite = type.equals("message") || type.equals("multipart");
- alternative = composite && subtype.equals("alternative");
-
-
- // fixme: message/rfc822
-
- // body parts need only contain Content-Foo headers (or none at all); they need not be rfc822 compliant
-
- }
- }
-
- // 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();
- }
-
- // 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 static class CaseInsensitiveHash extends org.ibex.js.JSReflection {
- private Hashtable stuff = new Hashtable();
- public Object get(Object o) { return stuff.get(((String)o).toLowerCase()); }
- void add(Object k, Object v) { if (k instanceof String) stuff.put(((String)k).toLowerCase(), v); else stuff.put(k, v); }
- }
-
- public String summary() {
- return
- " Subject: " + subject + "\n" +
- " EnvelopeFrom: " + envelopeFrom + "\n" +
- " EnvelopeTo: " + envelopeTo + "\n" +
- " MessageId: " + messageid;
- }
-}
+ stream.unread(s);
+ traces.addElement(new Trace(stream));
+ */