+++ /dev/null
-// 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.protocol;
-import org.ibex.io.*;
-import org.ibex.crypto.*;
-import org.ibex.jinetd.Listener;
-import org.ibex.mail.*;
-import org.ibex.util.*;
-import org.ibex.mail.target.*;
-import java.util.*;
-import java.net.*;
-import java.text.*;
-import java.io.*;
-
-// FIXME: this is valid LSUB "" asdfdas%*%*%*%*SFEFGWEF
-// FIXME: be very careful about where/when we quotify stuff
-// FIXME: 'UID FOO 100:*' must match at least one message even if all UIDs less than 100
-// FIXME: LIST should return INBOX if applicable
-
-// Relevant RFC's:
-// RFC 2060: IMAPv4
-// RFC 3501: IMAPv4 with clarifications
-// RFC 3691: UNSELECT
-// RFC 2971: ID
-
-// FEATURE: make sure we're being case-insensitive enough; probably want to upcase atom()
-// FEATURE: MIME-queries and BODYSTRUCTURE
-// FEATURE: READ-WRITE / READ-ONLY status on SELECT
-// FEATURE: pipelining
-// FEATURE: support [charset]
-// FEATURE: \Noselect
-// FEATURE: subscriptions
-// FEATURE: tune for efficiency
-// FEATURE: STARTTLS
-// FEATURE: asynchronous client notifications (need to re-read RFC)
-
-public class IMAP {
-
- public IMAP() { }
- public static final float version = (float)0.2;
-
- // FIXME this is evil
- public static String getBodyString(Message m) {
- StringBuffer sb = new StringBuffer();
- m.getBody().getStream().transcribe(sb);
- return sb.toString();
- }
-
- // API Class //////////////////////////////////////////////////////////////////////////////
-
- public static interface Client {
- public void expunge(int uid);
- public void list(char separator, String mailbox, boolean lsub, boolean phantom);
- public void fetch(int num, int flags, int size, Message m, int muid); // m may be null or incomplete
- }
-
- public static interface Server {
- public void setClient(IMAP.Client client);
- public String[] capability();
- public Hashtable id(Hashtable clientId);
- public void copy(Query q, String to);
- public void logout();
- public void unselect();
- public void delete(String m);
- public void create(String m);
- public void append(String m, int flags, Date arrival, String body);
- public void check();
- public void noop();
- public void close();
- public void subscribe(String mailbox);
- public void unsubscribe(String mailbox);
- public int unseen(String mailbox);
- public int recent(String mailbox);
- public int count(String mailbox);
- public int count();
- public int maxuid();
- public int uidNext(String mailbox);
- public int uidValidity(String mailbox);
- public int[] search(Query q, boolean uid);
- public void rename(String from, String to);
- public void select(String mailbox, boolean examineOnly);
- public void setFlags(Query q, int flags, boolean uid, boolean silent);
- public void removeFlags(Query q, int flags, boolean uid, boolean silent);
- public void addFlags(Query q, int flags, boolean uid, boolean silent);
- public void expunge();
- public void fetch(Query q, int spec, String[] headers, int start, int end, boolean uid);
- public void lsub(String start, String ref);
- public void list(String start, String ref);
- public static class Exn extends MailException { public Exn(String s) { super(s); } }
- public static class Bad extends Exn { public Bad(String s) { super(s); } }
- public static class No extends Exn { public No(String s) { super(s); } }
- }
-
-
- // MailboxWrapper //////////////////////////////////////////////////////////////////////////////
-
- /** wraps an IMAP.Server interface around a Mailbox */
- public static class MailboxWrapper implements Server {
-
- public static final char sep = '.';
-
- Mailbox inbox = null;
- Mailbox selected = null;
- Mailbox root = null;
- Mailbox selected() { if (selected == null) throw new Bad("no mailbox selected"); return selected; }
- final Login auth;
- final Client client;
-
- public MailboxWrapper(Login auth, Client c) { this.auth=auth; this.client=c;}
- public void setClient(IMAP.Client client) { }
-
- private Mailbox mailbox(String name, boolean create) { return mailbox(name, create, true); }
- private Mailbox mailbox(String name, boolean create, boolean throwexn) {
- if (name.equalsIgnoreCase("inbox")) return inbox;
- Mailbox m = root;
- for(StringTokenizer st = new StringTokenizer(name, sep + ""); st.hasMoreTokens();)
- if ((m = m.slash(st.nextToken(), create)) == null) {
- if (throwexn) throw new Server.No("no such mailbox " + name);
- return null;
- }
- return m;
- }
-
- // FEATURE: not accurate when a wildcard and subsequent non-wildcards both match a single component
- public void lsub(String start, String ref) { list(start, ref, true); }
- public void list(String start, String ref) { list(start, ref, false); }
- public void list(String start, String ref, boolean lsub) {
-
- // FIXME this might be wrong
- if (ref.equalsIgnoreCase("inbox")) { client.list(sep,"inbox",lsub,false); return; }
-
- if (ref.length() == 0) { client.list(sep, start, lsub, false); return; }
- while (start.endsWith(""+sep)) start = start.substring(0, start.length() - 1);
- if (ref.endsWith("%")) ref = ref + sep;
- String[] children = (start.length() == 0 ? root : mailbox(start, false)).children();
- for(int i=0; i<children.length; i++) {
- String s = children[i], pre = ref, kid = start + (start.length() > 0 ? sep+"" : "") + s;
- if (mailbox(kid, false) == null) continue;
- Mailbox phant = mailbox(kid, false, false);
- if (phant != null) {
- boolean phantom = phant.phantom();
- while(true) {
- if (pre.length() == 0) {
- if (s.length() == 0) client.list(sep, kid, lsub, phantom);
- } else switch(pre.charAt(0)) {
- case sep: if (s.length() == 0) list(kid, pre.substring(1), lsub); break;
- case '%': client.list(sep,kid,lsub,phantom);pre=pre.substring(1); s = ""; continue;
- case '*': client.list(sep,kid,lsub,phantom);list(kid,pre,lsub);pre=pre.substring(1); break;
- default: if (s.length()==0) break;
- if (s.charAt(0) != pre.charAt(0)) break;
- s = s.substring(1); pre = pre.substring(1); continue;
- }
- break;
- }
- }
- }
- }
-
- public String[] capability() { return new String[] { "IMAP4rev1" , "UNSELECT", "ID" }; }
- public Hashtable id(Hashtable clientId) {
- Hashtable response = new Hashtable();
- response.put("name", IMAP.class.getName());
- response.put("version", version + "");
- response.put("os", System.getProperty("os.name", null));
- response.put("os-version", System.getProperty("os.version", null));
- response.put("vendor", "none");
- response.put("support-url", "http://mail.ibex.org/");
- return response;
- }
-
- public void copy(Query q, String to) { copy(q, mailbox(to, false)); }
- /* */ void copy(Query q, Mailbox to) {
- for(Mailbox.Iterator it=selected().iterator(q);it.next();) to.insert(it.cur(), it.getFlags() | Mailbox.Flag.RECENT); }
-
- public void unselect() { selected = null; }
- public void delete(String m0) { delete(mailbox(m0,false)); }
- public void delete(Mailbox m) { if (!m.equals(inbox)) m.destroy(false); else throw new Bad("can't delete inbox"); }
- public void create(String m) { mailbox(m, true, false); }
- public void append(String m,int f,Date a,String b) { try {
- mailbox(m,false).insert(Message.newMessage(new Fountain.StringFountain(b)), f | Mailbox.Flag.RECENT);
- } catch (Message.Malformed e) { throw new No(e.getMessage()); } }
- public void check() { }
- public void noop() { }
- public void logout() { }
- public void close() { for(Mailbox.Iterator it=selected().iterator(Query.deleted()); it.next();) it.delete(); }
- public void expunge() { for(Mailbox.Iterator it = selected().iterator(Query.deleted());it.next();) expunge(it); }
- public void expunge(Mailbox.Iterator it) { client.expunge(it.uid()); it.delete(); }
- public void subscribe(String mailbox) { }
- public void unsubscribe(String mailbox) { }
- public int maxuid() {
- int ret = 0;
- Mailbox mb = selected();
- if (mb == null) return 0;
- for(Mailbox.Iterator it = mb.iterator(); it.next(); ) ret = it.uid();
- return ret;
- }
- public int unseen(String mailbox) { return mailbox(mailbox, false).count(Query.not(Query.seen())); }
- public int recent(String mailbox) { return mailbox(mailbox, false).count(Query.recent()); }
- public int count(String mailbox) { return mailbox(mailbox, false).count(Query.all()); }
- public int count() { return selected().count(Query.all()); }
- public int uidNext(String mailbox) { return mailbox(mailbox, false).uidNext(); }
- public int uidValidity(String mailbox) { return Math.abs(mailbox(mailbox, false).uidValidity()); }
- public void select(String mailbox, boolean examineOnly) { selected = mailbox(mailbox, false); }
-
- public int[] search(Query q, boolean uid) {
- Vec.Int vec = new Vec.Int();
- for(Mailbox.Iterator it = selected().iterator(q); it.next();) {
- vec.addElement(uid ? it.uid() : it.imapNumber());
- it.setFlag(Mailbox.Flag.RECENT, false);
- }
- return vec.dump();
- }
-
- public void setFlags(Query q, int f, boolean uid, boolean silent) { doFlags(q, f, uid, 0, silent); }
- public void addFlags(Query q, int f, boolean uid, boolean silent) { doFlags(q, f, uid, 1, silent); }
- public void removeFlags(Query q, int f, boolean uid, boolean silent) { doFlags(q, f, uid, -1, silent); }
- private void doFlags(Query q, int flags, boolean uid, int style, boolean silent) {
- for(Mailbox.Iterator it = selected().iterator(q);it.next();) {
- boolean recent = it.getFlag(Mailbox.Flag.RECENT);
- try { throw new Exception("flags " + flags); } catch (Exception e) { Log.error(this, e); }
- for(int flag : Mailbox.Flag.all)
- if (style == -1) { if ((flags & flag)!=0) it.setFlag(flag, false); }
- else if (style == 0) { it.setFlag(flag, ((flags & flag)!=0)); }
- else if (style == 1) { if ((flags & flag)!=0) it.setFlag(flag, true); }
- it.setFlag(Mailbox.Flag.RECENT, recent);
- if (!silent) client.fetch(it.imapNumber(), flags(it), -1, null, it.uid());
- }
- }
-
- public void rename(String from0, String to) {
- Mailbox from = mailbox(from0, false);
- if (from.equals(inbox)) { from.copy(Query.all(), mailbox(to, true)); }
- else if (to.equalsIgnoreCase("inbox")) { from.copy(Query.all(), mailbox(to, true)); from.destroy(false); }
- else from.rename(to);
- }
- public void fetch(Query q, int spec, String[] headers, int start, int end, boolean uid) {
- for(Mailbox.Iterator it = selected().iterator(q); it.next(); ) {
- Message message = ((spec & (BODYSTRUCTURE | ENVELOPE | INTERNALDATE | FIELDS | FIELDSNOT | RFC822 |
- RFC822TEXT | RFC822SIZE | HEADERNOT | HEADER)) != 0) ? it.cur() : null;
- int size = message == null ? 0 : message.getLength();
- client.fetch(it.imapNumber(), flags(it), size, message, it.uid());
- it.setFlag(Mailbox.Flag.RECENT, false);
- }
- }
- }
-
- private static int flags(Mailbox.Iterator it) {
- int ret = 0;
- for(int flag : Mailbox.Flag.all)
- if (it.getFlag(flag))
- ret |= flag;
- return ret;
- }
-
- // Single Session Handler //////////////////////////////////////////////////////////////////////////////
-
- /** takes an IMAP.Server and exposes it to the world as an IMAP server on a TCP socket */
- public static class Listener implements Client {
- String selectedName = null;
- Mailbox inbox = null, root = null;
- Server api;
- Parser parser = null;
- Connection conn = null;
- Login auth;
- public Listener(Login auth) { api = new IMAP.MailboxWrapper(this.auth = auth, this); }
- Parser.Token token() { return parser.token(); }
- void println(String s) { conn.println(s); }
- void newline() { parser.newline(); }
- Query query(int max) { return parser.query(max, maxn(true)); }
-
- public void login(String u, String p) {
- Object ret;
- if ((ret = auth.login(u,p,IMAP.class)) == null) throw new Server.No("Login failed.");
- if (ret instanceof IMAP.Server) {
- api = (IMAP.Server)ret;
- api.setClient(this);
- } else {
- Account account = (Account)ret;
- ((MailboxWrapper)api).root = root = account.getMailbox(IMAP.class);
- Log.warn(this, "logged in, root="+root);
- ((MailboxWrapper)api).inbox = inbox = root.slash("INBOX", false);
- if (inbox == null) ((MailboxWrapper)api).inbox = inbox = root;
- }
- }
-
- private int maxn(boolean uid) { return uid ? api.maxuid() : api.count(); }
-
- public void handleRequest(Connection conn) {
- this.conn = conn;
- parser = new Parser(conn);
- conn.setTimeout(30 * 60 * 1000);
- println("* OK " + conn.vhost + " " + IMAP.class.getName() + " IMAP4rev1 [RFC3501] v" + version + " server ready");
- for(String tag = null;;) try {
- conn.flush();
- boolean uid = false;
- tag = null; Parser.Token tok = token(); if (tok == null) return; tag = tok.astring();
- String command = token().atom();
- if (command.equalsIgnoreCase("UID")) { uid = true; command = token().atom(); }
- int commandKey = ((Integer)commands.get(command.toUpperCase())).intValue();
- switch(commandKey) {
- case LOGIN: login(token().astring(), token().astring()); break;
- case CAPABILITY: println("* CAPABILITY " + Printer.join(" ", api.capability())); break;
- case AUTHENTICATE: throw new Server.No("AUTHENTICATE not supported");
- case LOGOUT: api.logout(); println("* BYE"); conn.close(); return;
- case LIST: api.list(token().q(), token().astring()); break; /*astring is a hack for EUDORA*/
- case LSUB: api.lsub(token().q(), token().q()); break;
- case SUBSCRIBE: api.subscribe(token().astring()); break;
- case UNSUBSCRIBE: api.unsubscribe(token().astring()); break;
- case RENAME: api.rename(token().astring(), token().astring()); break;
- case DELETE: api.delete(token().atom()); break;
- case CHECK: selected(); api.check(); break;
- case NOOP: api.noop(); break;
- case CLOSE: selected(); api.close(); break;
- case EXPUNGE: selected(); api.expunge(); break;
- case UNSELECT: selected(); api.unselect(); selected = false; break;
- case CREATE: api.create(token().astring()); break;
- case FETCH: selected(); fetch(((lastuid=uid)
- ? Query.uid(token().set(maxn(uid)))
- : Query.imapNumber(token().set(maxn(uid)))),
- lastfetch=token().lx(), 0, 0, 0, uid, 0); break;
- case COPY: selected(); api.copy(uid
- ? Query.uid(token().set(maxn(uid)))
- : Query.imapNumber(token().set(maxn(uid))), token().astring()); break;
- case SEARCH: {
- selected();
- int[] result = api.search(query(maxn(uid)), uid);
- /*if (result.length > 0)*/ println("* SEARCH " + Printer.join(result));
- break;
- }
- case EXAMINE:
- case SELECT: {
- String mailbox = token().astring();
- api.select(mailbox, commandKey==EXAMINE);
- println("* FLAGS (\\Answered \\Flagged \\Deleted \\Seen \\Draft)");
- println("* " + api.count(mailbox) + " EXISTS");
- println("* " + api.recent(mailbox) + " RECENT");
- println("* OK [UNSEEN " + api.unseen(mailbox) + "]");
- println("* OK [UIDVALIDITY " + api.uidValidity(mailbox) + "] UIDs valid");
- println("* OK [UIDNEXT " + api.uidNext(mailbox) + "]");
- println("* OK [PERMANENTFLAGS (\\Seen)]");
- selected = true;
- break; }
- case STATUS: {
- String mailbox = token().astring(); // hack for GNUS buggy client
- Parser.Token[] list = token().l();
- String response = "";
- for(int i=0; i<list.length; i++) {
- String s = list[i].atom().toUpperCase();
- if (i>0) response += " ";
- if (s.equals("MESSAGES")) response += "MESSAGES " + api.count(mailbox);
- if (s.equals("RECENT")) response += "RECENT " + api.recent(mailbox);
- if (s.equals("UIDNEXT")) response += "UIDNEXT " + api.uidNext(mailbox);
- if (s.equals("UIDVALIDITY")) response += "UIDVALIDITY " + api.uidValidity(mailbox);
- if (s.equals("UNSEEN")) response += "UNSEEN " + api.unseen(mailbox);
- }
- println("* STATUS " + mailbox + " (" + response + ")");
- break;
- }
- case APPEND: {
- String m = token().astring();
- int flags = 0;
- Date arrival = new Date();
- Parser.Token t = token();
- if (t.type == t.LIST) { flags = t.flags(); t = token(); }
- if (t.type != t.QUOTED) { arrival = t.datetime(); t = token(); }
- api.append(m, flags, arrival, t.q());
- break; }
- case STORE: {
- selected();
- Query q = uid ? Query.uid(token().set(maxn(uid))) : Query.imapNumber(token().set(maxn(uid)));
- String s = token().atom().toUpperCase();
- int flags = token().flags();
- if (s.equals("FLAGS")) api.setFlags(q, flags, uid, false);
- else if (s.equals("+FLAGS")) api.addFlags(q, flags, uid, false);
- else if (s.equals("-FLAGS")) api.removeFlags(q, flags, uid, false);
- else if (s.equals("FLAGS.SILENT")) api.setFlags(q, flags, uid, true);
- else if (s.equals("+FLAGS.SILENT")) api.addFlags(q, flags, uid, true);
- else if (s.equals("-FLAGS.SILENT")) api.removeFlags(q, flags, uid, true);
- else throw new Server.Bad("unknown STORE specifier " + s);
- break; }
- default: throw new Server.Bad("unrecognized command \"" + command + "\"");
- }
- println(tag+" OK "+command+" Completed. " +
- (commandKey == LOGIN ? ("[CAPABILITY "+Printer.join(" ", api.capability())+"]") : ""));
- try {
- newline();
- } catch (Stream.EOF e) {
- Log.info(this, "connection closed");
- return;
- }
- } catch (Server.Bad b) { println(tag==null ? "* BAD Invalid tag":(tag + " Bad " + b.toString())); Log.warn(this,b);
- } catch (Server.No n) { println(tag==null?"* BAD Invalid tag":(tag+" No " + n.toString())); Log.warn(this,n); }
- }
-
- private Parser.Token[] lastfetch = null; // hack
- private boolean lastuid = false; // hack
- private boolean selected = false;
- private void selected() { if (!selected) throw new Server.Bad("no mailbox selected"); }
-
- // Callbacks //////////////////////////////////////////////////////////////////////////////
-
- public void expunge(int uid) { println("* " + uid + " EXPUNGE"); }
- public void fetch(int n, int f, int size, Message m, int muid) { fetch(m, lastfetch, n, f, size, lastuid, muid); }
- public void list(char sep, String mb, boolean sub, boolean p) {
- println("* " + (sub?"LSUB":"LIST")+" ("+(p?"\\Noselect":"")+") \""+sep+"\" \""+mb+"\"");}
-
- /**
- * Parse a fetch request <i>or</i> emit a fetch reply.
- *
- * To avoid duplicating tedious parsing logic, this function
- * performs both of the following tasks:
- * - parse the fetch request in Token[] t and return a fetch spec
- * - emit a fetch reply for the parsed spec with respect to message m
- */
- private void fetch(Object o, Parser.Token[] t, int num, int flags, int size, boolean uid, int muid) {
- Query q = o == null ? null : o instanceof Query ? (Query)o : null;
- Message m = o == null ? null : o instanceof Message ? (Message)o : null;
- boolean e = q == null;
-
- // asynchronous flags update
- if (size == -1) {
- println("* " + num + " FETCH (FLAGS " + Printer.flags(flags) + (uid?(" UID "+muid):"") + ")");
- return;
- }
-
- lastfetch = t;
- int spec = 0; // spec; see constants for flags
- String[] headers = null;
- int start = -1, end = -1;
- StringBuffer r = new StringBuffer();
- if (e) { r.append(num); r.append(" FETCH ("); }
- int initlen = r.length();
- if (uid) {
- boolean good = false;
- for(int i=0; i<t.length; i++)
- if ((t[i].type == Parser.Token.QUOTED || t[i].type == Parser.Token.ATOM) &&
- t[i].astring().equalsIgnoreCase("UID")) good = true;
- if (!good) {
- Parser.Token[] t2 = new Parser.Token[t.length + 1];
- System.arraycopy(t, 0, t2, 0, t.length);
- t2[t2.length - 1] = parser.token("UID");
- lastfetch = (t = t2);
- }
- }
- if (t.length == 0 && (t[0].type == Parser.Token.QUOTED || t[0].type == Parser.Token.ATOM)) {
- if (t[0].astring().equalsIgnoreCase("ALL"))
- t = new Parser.Token[] { parser.token("FLAGS"), parser.token("INTERNALDATE"),
- parser.token("ENVELOPE"), parser.token("RFC822.SIZE") };
- else if (t[0].astring().equalsIgnoreCase("FULL"))
- t = new Parser.Token[] { parser.token("FLAGS"), parser.token("INTERNALDATE"), parser.token("BODY"),
- parser.token("ENVELOPE"), parser.token("RFC822.SIZE") };
- else if (t[0].astring().equalsIgnoreCase("FAST"))
- t = new Parser.Token[] { parser.token("FLAGS"), parser.token("INTERNALDATE"),
- parser.token("RFC822.SIZE") };
- }
- for(int i=0; i<t.length; i++) {
- if (r.length() > initlen) r.append(" ");
- if (t[i] == null || t[i].s == null) continue;
- String s = t[i].s.toUpperCase();
- r.append(s.equalsIgnoreCase("BODY.PEEK")?"BODY":s);
- if (s.equals("BODYSTRUCTURE")) { spec|=BODYSTRUCTURE;if(e){r.append(" ");r.append(Printer.bodystructure(m));}
- } else if (s.equals("ENVELOPE")) { spec|=ENVELOPE; if(e){r.append(" ");r.append(Printer.envelope(m));}
- } else if (s.equals("FLAGS")) { spec|=FLAGS; if(e){r.append(" ");r.append(Printer.flags(flags));}
- } else if (s.equals("INTERNALDATE")) { spec|=INTERNALDATE; if(e){r.append(" ");r.append(Printer.date(m.arrival));}
- } else if (s.equals("RFC822")) { spec|=RFC822; if(e){r.append(" ");r.append(Printer.message(m));}
- } else if (s.equals("RFC822.TEXT")) { spec|=RFC822TEXT; if(e){r.append(" ");r.append(Printer.qq(getBodyString(m)));}
- } else if (s.equals("RFC822.HEADER")){ spec|=HEADER;if(e){r.append(" ");r.append(Printer.qq(m.headers.getString()+"\r\n"));}
- } else if (s.equals("RFC822.SIZE")) { spec|=RFC822SIZE; if(e){r.append(" ");r.append(m.getLength());}
- } else if (s.equals("UID")) { spec|=UID; if(e){r.append(" ");r.append(muid); }
- } else if (!(s.equals("BODY.PEEK") || s.equals("BODY"))) { throw new Server.No("unknown fetch argument: " + s);
- } else {
- if (s.equalsIgnoreCase("BODY.PEEK")) spec |= PEEK;
- //else if (e) api.addFlags(Query.imapNumber(new int[] { num, num }), Mailbox.Flag.SEEN, false, false);
- if (i >= t.length - 1 || t[i+1].type != Parser.Token.LIST) {
- spec |= BODYSTRUCTURE;
- if (e) { r.append(" "); r.append(Printer.bodystructure(m)); } continue;
- //{ if (e) { r.append(" "); r.append(Printer.qq(m.body)); } continue; }
- }
- String payload = "";
- r.append("[");
- Parser.Token[] list = t[++i].l();
- s = list.length == 0 ? "" : list[0].s.toUpperCase();
- r.append(s);
- if (list.length == 0) { spec |= RFC822TEXT; if(e) payload = m.headers.getString()+"\r\n"+getBodyString(m); }
- else if (s.equals("") || s.equals("1")) { spec |= RFC822TEXT; if(e) payload = m.headers.getString()+"\r\n"+getBodyString(m); }
- else if (s.equals("TEXT")) { spec |= RFC822TEXT; if(e) payload = getBodyString(m); }
- else if (s.equals("HEADER")) { spec |= HEADER; if(e) payload = m.headers.getString()+"\r\n"; }
- else if (s.equals("HEADER.FIELDS")) { spec |= FIELDS; payload=headers(r,t[i].l()[1].sl(),false,m,e); }
- else if (s.equals("HEADER.FIELDS.NOT")) { spec |= FIELDSNOT; payload=headers(r,t[i].l()[1].sl(),true,m,e); }
- else if (s.equals("MIME")) { throw new Server.Bad("MIME not supported"); }
- else throw new Server.Bad("unknown section type " + s);
- if (i<t.length - 1 && (t[i+1].s != null && t[i+1].s.startsWith("<"))) {
- i++;
- s = t[i].s.substring(1, t[i].s.indexOf('>'));
- int dot = s.indexOf('.');
- start = dot == -1 ? Integer.parseInt(s) : Integer.parseInt(s.substring(0, s.indexOf('.')));
- end = dot == -1 ? -1 : Integer.parseInt(s.substring(s.indexOf('.') + 1));
- if (e) { payload = payload.substring(start, Math.min(end+1,payload.length())); r.append("<"+start+">"); }
- }
- if (e) { r.append("] "); r.append(Printer.qq(payload)); }
- }
- }
- if (e) {
- r.append(")");
- println("* " + r.toString());
- } else {
- api.fetch(q, spec, headers, start, end, uid);
- }
- }
-
- private String headers(StringBuffer r, String[] headers, boolean negate, Message m, boolean e) {
- String payload = "";
- if (e) r.append(" (");
- if (!negate) {
- if(e) for(int j=0; j<headers.length; j++) {
- r.append(headers[j] + (j<headers.length-1?" ":""));
- if (m.headers.get(headers[j]) != null) payload += headers[j]+": "+m.headers.get(headers[j])+"\r\n";
- }
- } else {
- throw new Server.No("HEADERS.NOT temporarily disaled");
- /*
- if (e) for(int j=0; j<headers.length; j++) r.append(headers[j] + (j<headers.length-1?" ":""));
- if(e) { OUTER: for(Enumeration x=m.headers.keys(); x.hasMoreElements();) {
- String key = (String)x.nextElement();
- for(int j=0; j<headers.length; j++) if (key.equalsIgnoreCase(headers[j])) continue OUTER;
- payload += key + ": " + m.headers.get(key)+"\r\n";
- } }
- */
- }
- if (e) r.append(")");
- return payload + "\r\n";
- }
-
- private static final Hashtable commands = new Hashtable();
- private static final int UID = 0; static { commands.put("UID", new Integer(UID)); }
- private static final int AUTHENTICATE = 1; static { commands.put("AUTHENTICATE", new Integer(AUTHENTICATE)); }
- private static final int LIST = 2; static { commands.put("LIST", new Integer(LIST)); }
- private static final int LSUB = 3; static { commands.put("LSUB", new Integer(LSUB)); }
- private static final int SUBSCRIBE = 4; static { commands.put("SUBSCRIBE", new Integer(SUBSCRIBE)); }
- private static final int UNSUBSCRIBE = 5; static { commands.put("UNSUBSCRIBE", new Integer(UNSUBSCRIBE)); }
- private static final int CAPABILITY = 6; static { commands.put("CAPABILITY", new Integer(CAPABILITY)); }
- private static final int ID = 7; static { commands.put("ID", new Integer(ID)); }
- private static final int LOGIN = 8; static { commands.put("LOGIN", new Integer(LOGIN)); }
- private static final int LOGOUT = 9; static { commands.put("LOGOUT", new Integer(LOGOUT)); }
- private static final int RENAME = 10; static { commands.put("RENAME", new Integer(RENAME)); }
- private static final int EXAMINE = 11; static { commands.put("EXAMINE", new Integer(EXAMINE)); }
- private static final int SELECT = 12; static { commands.put("SELECT", new Integer(SELECT)); }
- private static final int COPY = 13; static { commands.put("COPY", new Integer(COPY)); }
- private static final int DELETE = 14; static { commands.put("DELETE", new Integer(DELETE)); }
- private static final int CHECK = 15; static { commands.put("CHECK", new Integer(CHECK)); }
- private static final int NOOP = 16; static { commands.put("NOOP", new Integer(NOOP)); }
- private static final int CLOSE = 17; static { commands.put("CLOSE", new Integer(CLOSE)); }
- private static final int EXPUNGE = 18; static { commands.put("EXPUNGE", new Integer(EXPUNGE)); }
- private static final int UNSELECT = 19; static { commands.put("UNSELECT", new Integer(UNSELECT)); }
- private static final int CREATE = 20; static { commands.put("CREATE", new Integer(CREATE)); }
- private static final int STATUS = 21; static { commands.put("STATUS", new Integer(STATUS)); }
- private static final int FETCH = 22; static { commands.put("FETCH", new Integer(FETCH)); }
- private static final int APPEND = 23; static { commands.put("APPEND", new Integer(APPEND)); }
- private static final int STORE = 24; static { commands.put("STORE", new Integer(STORE)); }
- private static final int SEARCH = 25; static { commands.put("SEARCH", new Integer(SEARCH)); }
- }
-
- public static class Parser {
- private Stream stream;
- public Parser(Stream from) { this.stream = from; }
- public Token token(String s) { return new Token(s); }
- protected Query query(int max, int maxuid) {
- String s = null;
- boolean not = false;
- Query q = null;
- Query ret = null;
- while(true) {
- Parser.Token t = token(false);
- if (t == null) break;
- if (t.type == t.LIST) throw new Server.No("nested queries not yet supported FIXME");
- else if (t.type == t.SET) return Query.imapNumber(t.set(max));
- s = t.atom().toUpperCase();
- if (s.equals("NOT")) return Query.not(query(max, maxuid));
- if (s.equals("OR")) return Query.or(query(max, maxuid), query(max, maxuid)); // FIXME parse rest of list
- if (s.equals("AND")) return Query.and(query(max, maxuid), query(max, maxuid));
-
- if (s.startsWith("UN")) { not = true; s = s.substring(2); }
- if (s.equals("ANSWERED")) q = Query.answered();
- else if (s.equals("DELETED")) q = Query.deleted();
- else if (s.equals("ALL")) q = Query.all();
- else if (s.equals("DRAFT")) q = Query.draft();
- else if (s.equals("FLAGGED")) q = Query.flagged();
- else if (s.equals("RECENT")) q = Query.recent();
- else if (s.equals("SEEN")) q = Query.seen();
- else if (s.equals("OLD")) { not = true; q = Query.recent(); }
- else if (s.equals("NEW")) q = Query.and(Query.recent(), Query.not(Query.seen()));
- else if (s.equals("KEYWORD")) q = Query.header("keyword", token().flag());
- else if (s.equals("HEADER")) q = Query.header(token().astring(), token().astring());
- else if (s.equals("BCC")) q = Query.header("bcc", token().astring());
- else if (s.equals("CC")) q = Query.header("cc", token().astring());
- else if (s.equals("FROM")) q = Query.header("from", token().astring());
- else if (s.equals("TO")) q = Query.header("to", token().astring());
- else if (s.equals("SUBJECT")) q = Query.header("subject", token().astring());
- else if (s.equals("LARGER")) q = Query.size(token().n(), Integer.MAX_VALUE);
- else if (s.equals("SMALLER")) q = Query.size(Integer.MIN_VALUE, token().n());
- else if (s.equals("BODY")) q = Query.body(token().astring());
- else if (s.equals("TEXT")) q = Query.full(token().astring());
- else if (s.equals("BEFORE")) q = Query.arrival(new Date(0), token().date());
- else if (s.equals("SINCE")) q = Query.arrival(token().date(), new Date(Long.MAX_VALUE));
- else if (s.equals("ON")) { Date d = token().date(); q = Query.arrival(d, new Date(d.getTime() + 24 * 60 * 60)); }
- else if (s.equals("SENTBEFORE")) q = Query.sent(new Date(0), token().date());
- else if (s.equals("SENTSINCE")) q = Query.sent(token().date(), new Date(Long.MAX_VALUE));
- else if (s.equals("SENTON")) { Date d = token().date(); q = Query.sent(d, new Date(d.getTime() + 24 * 60 * 60)); }
- else if (s.equals("UID")) q = Query.uid(token().set(max));
- q = not ? Query.not(q) : q;
- ret = ret == null ? q : Query.and(ret, q);
- }
- return ret;
- }
-
- private static void bad(String s) { throw new Server.Bad(s); }
- class Token {
- public final byte type;
- private final String s;
- private final Parser.Token[] l;
- private final int n;
- private static final byte NIL = 0, LIST = 1, QUOTED = 2, NUMBER = 3, ATOM = 4, BAREWORD = 5, SET = 6;
- public Token() { this.s = null; n = 0; l = null; type = NIL; }
- public Token(String s) { this(s, false); }
- public Token(String s, boolean quoted) { this.s = s; n = 0; l = null; type = quoted ? QUOTED : ATOM; }
- public Token(Parser.Token[] list) { this.s = null; n = 0; l = list; type = LIST; }
- public Token(int number) { this.s = null; n = number; l = null; type = NUMBER; }
-
- public String flag() { if (type != ATOM) bad("expected a flag"); return s; }
- public int n() { if (type != NUMBER) bad("expected number"); return n; }
- public int nz() { int n = n(); if (n == 0) bad("expected nonzero number"); return n; }
- public String q() { if (type == NIL) return null; if (type != QUOTED) bad("expected qstring"); return s; }
- public Parser.Token[] l() { if (type == NIL) return null; if (type != LIST) bad("expected list"); return l; }
- public Parser.Token[] lx() {
- if (type == LIST) return l;
- Vec v = new Vec();
- v.addElement(this);
- while(true) {
- Parser.Token t = token(false);
- if (t == null) break;
- v.addElement(t);
- }
- Parser.Token[] ret = new Parser.Token[v.size()];
- v.copyInto(ret);
- return ret;
- }
- public String nstring() { if (type==NIL) return null; if (type!=QUOTED) bad("expected nstring"); return s; }
- public String astring() {
- if (type != ATOM && type != QUOTED) bad("expected atom or string");
- if (s == null) bad("astring cannot be null");
- return s; }
- public String[] sl() {
- if (type == NIL) return null;
- if (type != LIST) bad("expected list");
- String[] ret = new String[l.length];
- for(int i=0; i<ret.length; i++) ret[i] = l[i].s;
- return ret;
- }
- public int flags() {
- if (type != LIST) bad("expected flag list");
- int ret = 0;
- for(int i=0; i<l.length; i++) {
- String flag = l[i].s;
- if (flag.equals("\\Deleted")) ret |= Mailbox.Flag.DELETED;
- else if (flag.equals("\\Seen")) ret |= Mailbox.Flag.SEEN;
- else if (flag.equals("\\Flagged")) ret |= Mailbox.Flag.FLAGGED;
- else if (flag.equals("\\Draft")) ret |= Mailbox.Flag.DRAFT;
- else if (flag.equals("\\Answered")) ret |= Mailbox.Flag.ANSWERED;
- else if (flag.equals("\\Recent")) ret |= Mailbox.Flag.RECENT;
- }
- return ret;
- }
- public int[] set(int largest) {
- if (type != ATOM) bad("expected a messageid set");
- Vec.Int ids = new Vec.Int();
- StringTokenizer st = new StringTokenizer(s, ",");
- while(st.hasMoreTokens()) {
- String s = st.nextToken();
- if (s.indexOf(':') == -1) {
- if (s.equals("*")) {
- ids.addElement(largest);
- ids.addElement(largest);
- } else {
- ids.addElement(Integer.parseInt(s));
- ids.addElement(Integer.parseInt(s));
- }
- continue; }
- int start = Integer.parseInt(s.substring(0, s.indexOf(':')));
- String end_s = s.substring(s.indexOf(':')+1);
- int end = end_s.equals("*") ? largest : Integer.parseInt(end_s);
- for(int j=Math.min(start,end); j<=Math.max(start,end); j++) {
- ids.addElement(j);
- ids.addElement(j);
- }
- }
- return ids.dump();
- }
- public Date date() {
- if (type != QUOTED && type != ATOM) bad("Expected quoted or unquoted date");
- try { return new SimpleDateFormat("dd-MMM-yyyy").parse(s);
- } catch (ParseException p) { throw new Server.Bad("invalid date format; " + p); }
- }
- public Date datetime() {
- if (type != QUOTED) bad("Expected quoted datetime");
- try { return new SimpleDateFormat("dd-MM-yyyy hh:mm:ss zzzz").parse(s.trim());
- } catch (ParseException p) { throw new Server.Bad("invalid datetime format " + s + " : " + p); }
- }
- public String atom() {
- if (type != ATOM) bad("expected atom");
- for(int i=0; i<s.length(); i++) {
- char c = s.charAt(i);
- if (c == '(' || c == ')' || c == '{' || c == ' ' || c == '%' || c == '*' || c == '\"' | c == '\\')
- bad("invalid char in atom: " + c);
- }
- return s;
- }
- }
-
- public void newline() { stream.readln(); }
-
- public Token token() { return token(true); }
- public Token token(boolean freak) {
- Vec toks = new Vec();
- StringBuffer sb = new StringBuffer();
- char c = stream.getc(); while (c == ' ') c = stream.getc();
- if (c == '\r' || c == '\n') { if (freak) bad("unexpected end of line"); return null; }
- else if (c == '{') {
- while(stream.peekc() != '}') sb.append(stream.getc());
- stream.getc();
- stream.println("+ Ready when you are...");
- int octets = Integer.parseInt(sb.toString());
- while(stream.peekc() == ' ') stream.getc(); // whitespace
- while(stream.peekc() == '\n' || stream.peekc() == '\r') stream.getc();
- byte[] bytes = new byte[octets];
- int numread = 0;
- while(numread < bytes.length) {
- int n = stream.read(bytes, numread, bytes.length - numread);
- if (n == -1) bad("end of stream while reading IMAP qstring");
- numread += n;
- }
- return new Token(new String(bytes), true);
- } else if (c == '\"') {
- while(true) {
- c = stream.getc();
- if (c == '\\') sb.append(stream.getc());
- else if (c == '\"') break;
- else sb.append(c);
- }
- return new Token(sb.toString(), true);
-
- // NOTE: this is technically a violation of the IMAP grammar, since atoms like FOO[BAR should be legal
- } else if (c == ']' || c == ')') { return null;
- } else if (c == '[' || c == '(') {
- Token t;
- do { t = token(); if (t != null) toks.addElement(t); } while (t != null);
- Token[] ret = new Token[toks.size()];
- toks.copyInto(ret);
- return new Token(ret);
-
- } else while(true) {
- sb.append(c);
- c = stream.peekc();
- if (c == ' ' || c == '\"' || c == '(' || c == ')' || c == '[' || c == ']' ||
- c == '{' || c == '\n' || c == '\r')
- return new Token(sb.toString(), false);
- stream.getc();
- }
- }
- }
-
- public static class Printer {
- static String quotify(String s){
- return s==null?"NIL":"\""+s.replaceAll("\\\\","\\\\").replaceAll("\"","\\\\\"")+"\"";}
- static String quotify(Date d) {
- return new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss +zzzz").format(d); }
- static String address(Address a) {
- return"("+quotify(a.description)+" NIL "+quotify(a.user)+" "+quotify(a.host)+")"; }
- public static String addressList(Object a) {
- if (a == null) return "NIL";
- if (a instanceof Address) return "("+address((Address)a)+")";
- if (a instanceof String) return "("+address(Address.parse((String)a))+")";
- Address[] aa = (Address[])a;
- StringBuffer ret = new StringBuffer();
- ret.append("(");
- for(int i=0; i<aa.length; i++) { ret.append(aa[i]); if (i < aa.length - 1) ret.append(" "); }
- ret.append(")");
- return ret.toString();
- }
- static String flags(Mailbox.Iterator it) {
- return
- (it.getFlag(Mailbox.Flag.DELETED) ? "\\Deleted " : "") +
- (it.getFlag(Mailbox.Flag.SEEN) ? "\\Seen " : "") +
- (it.getFlag(Mailbox.Flag.FLAGGED) ? "\\Flagged " : "") +
- (it.getFlag(Mailbox.Flag.DRAFT) ? "\\Draft " : "") +
- (it.getFlag(Mailbox.Flag.ANSWERED) ? "\\Answered " : "") +
- (it.getFlag(Mailbox.Flag.RECENT) ? "\\Recent " : "");
- }
- static String flags(int flags) {
- String ret = "(" +
- (((flags & Mailbox.Flag.DELETED) == Mailbox.Flag.DELETED) ? "\\Deleted " : "") +
- (((flags & Mailbox.Flag.SEEN) == Mailbox.Flag.SEEN) ? "\\Seen " : "") +
- (((flags & Mailbox.Flag.FLAGGED) == Mailbox.Flag.FLAGGED) ? "\\Flagged " : "") +
- (((flags & Mailbox.Flag.DRAFT) == Mailbox.Flag.DRAFT) ? "\\Draft " : "") +
- (((flags & Mailbox.Flag.ANSWERED) == Mailbox.Flag.ANSWERED)? "\\Answered " : "") +
- (((flags & Mailbox.Flag.RECENT) == Mailbox.Flag.RECENT) ? "\\Recent " : "");
- if (ret.endsWith(" ")) ret = ret.substring(0, ret.length() - 1);
- return ret + ")";
- }
- static String bodystructure(Message m) {
- // FIXME
- return "(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"ISO-8859-1\") NIL NIL \"7BIT\" "+m.getLength()+" "+m.getNumLines()+")";
- }
- static String message(Message m) { return m.toString(); }
- static String date(Date d) { return "\""+d.toString()+"\""; }
- static String envelope(Message m) {
- return
- "(" + quotify(m.arrival.toString()) +
- " " + quotify(m.subject) +
- " " + addressList(m.from) +
- " " + addressList(m.headers.get("sender")) +
- " " + addressList(m.replyto) +
- " " + addressList(m.to) +
- " " + addressList(m.cc) +
- " " + addressList(m.bcc) +
- " " + quotify((String)m.headers.get("in-reply-to")) +
- " " + quotify(m.messageid) +
- ")";
- }
-
- public static String qq(String s) {
- StringBuffer ret = new StringBuffer();
- ret.append('{');
- ret.append(s.getBytes().length);
- ret.append('}');
- ret.append('\r');
- ret.append('\n');
- ret.append(s);
- return ret.toString();
- }
-
- private static String join(int[] nums) {
- StringBuffer ret = new StringBuffer();
- for(int i=0; i<nums.length; i++) {
- ret.append(nums[i]);
- if (i<nums.length-1) ret.append(' ');
- }
- return ret.toString();
- }
- private static String join(String delimit, String[] stuff) {
- StringBuffer ret = new StringBuffer();
- for(int i=0; i<stuff.length; i++) {
- ret.append(stuff[i]);
- if (i<stuff.length - 1) ret.append(delimit);
- }
- return ret.toString();
- }
- }
-
-
- // Main //////////////////////////////////////////////////////////////////////////////
-
- public static final int
- PEEK=0x1, BODYSTRUCTURE=0x2, ENVELOPE=0x4, FLAGS=0x8, INTERNALDATE=0x10, FIELDS=0x800, FIELDSNOT=0x1000,
- RFC822=0x20, RFC822TEXT=0x40, RFC822SIZE=0x80, HEADERNOT=0x100, UID=0x200, HEADER=0x400;
-
-}
projects / org.ibex.mail.git / blobdiff