// 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 3.3
+// date/time parsing: see spec, 3.3
+
+// FIXME: messages must NEVER contain 8-bit binary data; this is a violation of IMAP
-// FEATURE: MIME RFC2045, 2046, 2049
// 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
+/**
+ * [immutable] This class encapsulates a message "floating in the
+ * ether": RFC2822 data but no storage-specific flags or other
+ * metadata.
+ */
public class Message extends JSReflection {
- 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 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[] cc;
public final Address[] bcc;
public final Hashtable[] resent;
- public Trace[] traces;
+ public final Trace[] traces;
public final Address envelopeFrom;
- public final Address[] envelopeTo;
+ public final Address envelopeTo;
- public Date arrival = null; // when the message first arrived at this machine
+ 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("X-org.ibex.mail-envelopeFrom: " + envelopeFrom + "\r\n");
+ w.write("X-org.ibex.mail-envelopeTo: " + envelopeTo + "\r\n");
w.write(allHeaders);
w.write("\r\n");
w.write(body);
w.flush();
}
- public static class StoredMessage extends Message {
- public int uid;
- public boolean deleted = false;
- public boolean read = false;
- public boolean answered = false;
- public StoredMessage(LineReader rs) throws IOException, MailException.Malformed { super(rs); }
- }
-
public class Trace {
final String returnPath;
final Element[] elements;
}
public static class Malformed extends MailException.Malformed { public Malformed(String s) { super(s); } }
- public Message(LineReader rs) throws IOException, Malformed {
- String key = null;
- StringBuffer all = new StringBuffer();
- replyto = null;
- subject = null;
- messageid = null;
- cc = null;
- bcc = null;
- resent = null;
- traces = null;
- envelopeFrom = null;
- envelopeTo = null;
-
- headers = new Hashtable();
- date = null; // FIXME
- to = null;
- from = null;
- 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<s.length(); i++)
- if (s.charAt(i) < 33 || s.charAt(i) > 126)
- throw new Malformed("Header key contains invalid character \"" + s.charAt(i) + "\"");
- 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:")) {
- rs.pushback(s);
- Trace t = new Trace(rs);
- Trace[] newTraces = new Trace[traces == null ? 1 : traces.length + 1];
- if (traces != null) System.arraycopy(traces, 0, newTraces, 0, traces.length);
- traces = newTraces;
- traces[traces.length-1] = t;
+ public Message(Address envelopeFrom, Address envelopeTo, String s, Date arrival)
+ { this(envelopeFrom, envelopeTo, new LineReader(new StringReader(s)), arrival); }
+ public Message(Address envelopeFrom, Address envelopeTo, LineReader rs) { this(envelopeFrom, envelopeTo, rs, null); }
+ public Message(Address envelopeFrom, Address envelopeTo, LineReader rs, Date arrival) {
+ try {
+ this.arrival = arrival == null ? new Date() : 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();
+ 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");
+ ((CaseInsensitiveHash)headers).add(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(val.length() > 0 && 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 if (key.equals("X-org.ibex.mail.headers.envelopeFrom")) {
+ if (envelopeFrom == null) envelopeFrom = new Address(val);
+ } else if (key.equals("X-org.ibex.mail.headers.envelopeTo")) {
+ if (envelopeTo == null) envelopeTo = new Address(val);
} else {
// just append it to the previous one; valid for Comments/Keywords
- val = headers.get(key) + " " + val;
- }
-
- headers.put(key, val);
- }
+ if (headers.get(key) != null) val = headers.get(key) + " " + val;
+ ((CaseInsensitiveHash)headers).add(key, val);
+ }
+ }
- allHeaders = all.toString();
- StringBuffer body = new StringBuffer();
- for(String s = rs.readLine();; s = rs.readLine()) { if (s == null) break; else body.append(s + "\r\n"); }
- this.body = body.toString();
+ // FIXME what if all are null?
+ this.to = headers.get("To") == null ? envelopeTo : new Address((String)headers.get("To"));
+ this.from = headers.get("From") == null ? envelopeFrom : new Address((String)headers.get("From"));
+ this.envelopeFrom = envelopeFrom == null ? this.from : envelopeFrom;
+ this.envelopeTo = envelopeTo == null ? this.to : envelopeTo;
+
+ this.date = new Date(); // FIXME (Date)headers.get("Date");
+ 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();
+ } catch (IOException e) { throw new MailException.IOException(e); }
}
// 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 String rfc822() { return allHeaders + "\r\n" + body; }
+ public int rfc822size() { return allHeaders.length() + 2 /* CRLF */ + body.length(); } // FIXME: double check this
public String summary() {
return
- " Subject: " + m.subject + "\n" +
- " EnvelopeFrom: " + m.envelopeFrom + "\n" +
- " EnvelopeTo: " + m.envelopeTo + "\n" +
- " MessageId: " + m.messageid;
+ " 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
- return null;
+ // 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!
+
+ private static class CaseInsensitiveHash extends Hashtable {
+ public Object get(Object o) { return (o instanceof String) ? super.get(((String)o).toLowerCase()) : super.get(o); }
+ public Object put(Object k, Object v) { throw new Error("you cannot write to a CaseInsensitiveHash"); }
+ void add(Object k, Object v) { if (k instanceof String) super.put(((String)k).toLowerCase(), v); else super.put(k, v); }
}
+
}
projects / org.ibex.mail.git / blobdiff