1 package org.ibex.mail.protocol;
2 import org.ibex.util.*;
4 import org.ibex.mail.*;
5 import org.ibex.mail.target.*;
6 import org.ibex.jinetd.*;
12 /** NNTP send/recieve */
15 // FIXME: command lines limited to 512 chars
17 public static class No extends RuntimeException { int code = 0; } // 4xx response codes
18 public static class Bad extends RuntimeException { int code = 0; } // 5xx response codes
20 public static class Group {
21 public Group(String n, boolean p, int f, int l, int c) { this.name=n;this.post=p;this.first=f;this.last=l;this.count=c;}
22 public final String name;
23 public final boolean post;
24 public final int first;
25 public final int last;
26 public final int count;
29 public static class Article {
30 public Article(String messageid, int num, Message message) { this.message=message;this.messageid=messageid;this.num=num;}
31 public final String messageid;
33 public final Message message;
36 public static interface Server {
37 public Group group(String s);
38 public boolean ihave(String messageid);
39 public Article next();
40 public Article last();
41 public boolean post(Message m);
42 public Article article(String messageid, boolean head, boolean body);
43 public Article article(int messagenum, boolean head, boolean body);
44 public Group[] list();
45 public Group[] newgroups(Date d, String[] distributions);
46 public String[] newnews(String[] groups, Date d, String[] distributions);
49 public static class MailboxWrapper implements Server {
50 private final Mailbox root;
51 private Mailbox current;
53 public MailboxWrapper(Mailbox root) { this.root = root; }
54 public Group group(String s) { ptr = 0; setgroup(s); return getgroup(s); }
55 public boolean ihave(String messageid) { /* FEATURE */ return false; }
56 public boolean post(Message m) { /* FEATURE */ return false; }
57 public Article next() { return article(ptr++, false, false); }
58 public Article last() { return article(ptr--, false, false); }
59 public Article article(String i, boolean h, boolean b) { return article(Query.header("message-id",i),h,b); }
60 public Article article(int n, boolean h, boolean b) { ptr = n; return article(Query.messagenum(n,n),h,b); }
61 private Article article(Query q, boolean head, boolean body) {
62 Mailbox.Iterator it = current.iterator(q);
63 if (!it.next()) return null;
64 //Message m = body ? it.cur() : it.head();
65 Message m = it.cur(); // FIXME
66 return new Article(m.messageid, it.num(), m);
68 public Group[] list() { return list(root, ""); }
69 private Group[] list(Mailbox who, String prefix) {
71 if (who == null) who = root;
72 String[] s = who.children();
73 for(int i=0; i<s.length; i++) {
74 v.addElement(new Group(prefix + s[i], true, 0, 0, 0)); // FIXME numbers
75 Group[] g2 = list(who.slash(s[i], false), prefix + s[i] + ".");
76 for(int j=0; j<g2.length; j++) v.addElement(g2[j]);
78 Group[] ret = new Group[v.size()];
83 private void setgroup(String s) {
85 for(StringTokenizer st = new StringTokenizer(s, ".");
87 current = current.slash(st.nextToken(), false));
89 private Group getgroup(String s) {
91 for(StringTokenizer st = new StringTokenizer(s, "."); st.hasMoreTokens(); box = box.slash(st.nextToken(), false));
92 return new Group(s, true, 1, box.count(Query.all()), box.count(Query.all()));
95 public Group[] newgroups(Date d, String[] distributions) { /* FEATURE */ return new Group[] { }; }
96 public String[] newnews(String[] groups, Date d, String[] distributions) { /* FIXME */ return null; }
99 public static class Listener implements Worker {
100 private Server api = null;
102 private Connection conn;
103 public Listener(Login l) { this.login = l; }
105 private void println(String s) { Log.warn("[nntp-write]", s); conn.println(s); }
106 private void println() { Log.warn("[nntp-write]", ""); conn.println(); }
108 private void article(String numOrMessageId, boolean head, boolean body) {
109 String s = numOrMessageId.trim();
111 if (s.startsWith("<")) a = api.article(s.substring(0, s.length() - 1), head, body);
112 else a = api.article(Integer.parseInt(s), head, body);
114 println("423 No such article.");
117 int code = (head && body) ? 220 : head ? 221 : body ? 222 : 223;
118 println(code + " " + a.num + " <" + a.messageid + "> get ready for some stuff...");
119 if (head) println(a.message.headers.raw);
120 if (head && body) println();
121 if (body) println(a.message.body);
124 public void handleRequest(Connection conn) {
126 conn.setTimeout(30 * 60 * 1000);
127 println("200 " + conn.vhost + " [" + NNTP.class.getName() + "]");
130 Account account = login.anonymous();
131 this.api = account == null ? null : new MailboxWrapper(account.getMailbox(NNTP.class));
132 for(String line = conn.readln(); line != null; line = conn.readln()) try {
133 Log.warn("[nntp-read]", line);
134 StringTokenizer st = new StringTokenizer(line, " ");
135 String command = st.nextToken().toUpperCase();
136 if (command.equals("AUTHINFO")) {
137 String uop = st.nextToken().toUpperCase();
138 if (uop.equals("USER")) user = st.nextToken();
139 else if (uop.equals("PASS")) pass = st.nextToken();
142 if (this.api == null) {
143 if (user == null) { println("480 Authentication required"); continue; }
144 if (pass == null) { println("381 Password required"); continue; }
145 account = login.login(user, pass);
146 if (account == null) { println("502 Invalid"); continue; }
147 this.api = new MailboxWrapper(account.getMailbox(NNTP.class));
148 println("281 Good to go");
151 if (command.equals("ARTICLE")) { article(st.hasMoreTokens() ? st.nextToken() : null, true, true);
152 } else if (command.equals("HEAD")) { article(st.hasMoreTokens() ? st.nextToken() : null, true, false);
153 } else if (command.equals("MODE")) { println("201 Hello, you can post.");
154 } else if (command.equals("BODY")) { article(st.hasMoreTokens() ? st.nextToken() : null, false, true);
155 } else if (command.equals("STAT")) { article(st.hasMoreTokens() ? st.nextToken() : null, false, false);
156 } else if (command.equals("HELP")) { println("100 you are beyond help."); println(".");
157 } else if (command.equals("SLAVE")) { println("220 I don't care");
158 } else if (command.equals("XOVER")) {
159 println("224 Overview information follows");
160 MailboxWrapper api = (MailboxWrapper)this.api;
161 String range = st.hasMoreTokens() ? st.nextToken() : (api.ptr+"-"+api.ptr);
162 int start = Integer.parseInt(range.substring(0, range.indexOf('-')));
163 int end = Integer.parseInt(range.substring(range.indexOf('-') + 1));
164 Mailbox.Iterator it = api.current.iterator(Query.messagenum(start, end));
166 Message m = it.cur();
167 println(it.num()+"\t"+m.subject+"\t"+m.from+"\t"+m.date+"\t"+m.messageid+"\t"+
168 m.headers.gets("references") + "\t" + m.size() + "\t" + m.lines);
171 } else if (command.equals("LAST")) { Article a = api.last(); println("223 "+a.num+" "+a.messageid+" ok");
172 } else if (command.equals("NEXT")) { Article a = api.next(); println("223 "+a.num+" "+a.messageid+" ok");
173 } else if (command.equals("QUIT")) { println("205 Bye."); conn.close(); return;
174 } else if (command.equals("GROUP")) {
175 Group g = api.group(st.nextToken().toLowerCase());
176 println("211 " + g.count + " " + g.first + " " + g.last + " " + g.name);
177 } else if (command.equals("NEWGROUPS") || command.equals("NEWNEWS")) {
178 String groups = command.equals("NEWNEWS") ? st.nextToken() : null;
179 String datetime = st.nextToken() + " " + st.nextToken();
180 String gmt = st.nextToken();
181 String distributions = gmt.equals("GMT") ? (st.hasMoreTokens() ? st.nextToken() : null) : gmt;
182 while(st.hasMoreTokens()) distributions += " " + st.nextToken();
183 // FIXME deal with GMT
186 d = new SimpleDateFormat("YYMMDD HHMMSS").parse(gmt);
187 } catch (ParseException pe) {
190 distributions = distributions.trim();
191 if (distributions.startsWith("<")) distributions = distributions.substring(1, distributions.length() - 1);
193 st = new StringTokenizer(distributions, ",");
194 String[] dists = new String[st.countTokens()];
195 for(int i=0; st.hasMoreTokens(); i++) dists[i] = st.nextToken();
197 if (command.equals("NEWGROUPS")) {
198 Group[] g = api.newgroups(d, dists);
199 println("231 list of groups follows");
200 for(int i=0; i<g.length; i++)
201 println(g[i].name + " " + g[i].last + " " + g[i].first + " " + (g[i].post ? "y" : "n"));
204 st = new StringTokenizer(groups, ",");
205 String[] g = new String[st.countTokens()];
206 for(int i=0; st.hasMoreTokens(); i++) g[i] = st.nextToken();
207 String[] a = api.newnews(g, d, dists);
208 println("230 list of article messageids follows");
209 for(int i=0; i<a.length; i++) println(a[i]);
213 } else if (command.equals("POST")) {
216 boolean postok = api.post();
218 println("440 no posting allowed");
221 println("340 send the article");
222 // FIME read the article here
223 println("240 article posted ok");
226 } else if (command.equals("LIST")) {
227 Group[] g = api.list();
228 println("215 list of groups follows");
229 for(int i=0; i<g.length; i++)
230 println(g[i].name + " " + g[i].last + " " + g[i].first + " " + (g[i].post ? "y" : "n"));
233 } else if (command.equals("IHAVE")) {
234 boolean want = api.ihave(st.nextToken());
236 println("435 No thanks");
238 println("335 Proceed");
239 // FIXME read article here
240 println("235 Got it");
243 } catch (No n) { println(n.code + " " + n.getMessage());
244 } catch (Bad b) { println(b.code + " " + b.getMessage()); Log.warn(this, b); }