src/org/ibex/mail/target/Script.java

   1 // Copyright 2000-2005 the Contributors, as shown in the revision logs.
   2 // Licensed under the Apache Public Source License 2.0 ("the License").
   3 // You may not use this file except in compliance with the License.
   4
   5 package org.ibex.mail.target;
   6 import org.ibex.js.*;
   7 import org.ibex.util.*;
   8 import org.ibex.mail.*;
   9 import org.ibex.mail.filter.*;
  10 import org.ibex.mail.target.*;
  11 import java.io.*;
  12 import java.util.*;
  13
  14 public class Script extends JS.Obj implements Target {
  15
  16     private static final JS.Method METHOD = new JS.Method();
  17
  18     private static Script root = null;
  19     private static final String DEFAULT_CONF = File.separatorChar + "etc" + File.separatorChar + "org.ibex.mail.conf";
  20     public static Script root() {
  21         try {
  22             if (root == null) root = new Script(System.getProperty("ibex.mail.conf", DEFAULT_CONF));
  23             return root;
  24         } catch (Exception e) {
  25             Log.error(Script.class, e);
  26             return null;
  27         }
  28     }
  29
  30     final JS js;
  31     private Message m = null;
  32     private String filePath = null;
  33     public Script(String filePath) throws JSExn, IOException {
  34         this.filePath = filePath;
  35         js = JSU.cloneWithNewGlobalScope(JSU.fromReader(filePath, 1, new InputStreamReader(new FileInputStream(filePath))),
  36                                          new ScriptScope()); }
  37
  38     private class ScriptScope extends JS.Immutable {
  39         ScriptEnv env = new ScriptEnv();
  40         public JS get(JS name) throws JSExn {
  41             //#jsswitch(name)
  42             case "m": return m;
  43             case "ibex": return env;
  44             default: return null;
  45             //#end
  46             return null;
  47         }
  48     }
  49
  50     public void accept(Message m) throws IOException, MailException {
  51         try {
  52             new Script(filePath).reallyAccept(m);
  53         } catch (JSExn e) {
  54             Log.error(this, e);
  55             throw new MailException(e.toString());
  56         }
  57     }
  58
  59     private synchronized void reallyAccept(Message m) throws IOException, MailException, JSExn {
  60         this.m = m;
  61         try {
  62             Object ret = js.call(null, new JS[] { m });
  63             Log.debug(this, "configuration script returned " + ret);
  64             if (ret == null) throw new IOException("configuration script returned null");
  65             while (ret instanceof JSReflection.Wrapper) ret = ((JSReflection.Wrapper)ret).unwrap();
  66             if (ret instanceof Target)      ((Target)ret).accept(m);
  67             //else if (ret instanceof Filter) ((Filter)ret).process(m);
  68             else throw new IOException("configuration script returned a " + ret.getClass().getName());
  69         } catch (JSExn e) {
  70             Log.warn(this, e);
  71             throw new IOException("configuration script threw an exception");
  72         }
  73     }
  74
  75     // FIXME: this should extend org.ibex.core.Ibex
  76     public class ScriptEnv extends JS.Obj {
  77
  78         private PropertyFile prefs = null;
  79             /*
  80         static {
  81             try {
  82                 // FIXME
  83                 prefs = new PropertyFile(new File("/etc/org.ibex.mail.properties"));
  84             } catch (IOException e) {
  85                 Log.error(ScriptEnv.class, e);
  86             }
  87         }
  88             */
  89
  90         /** lets us put multi-level get/put/call keys all in the same method */
  91         private class Sub extends JS.Immutable {
  92             String key;
  93             Sub(String key) { this.key = key; }
  94             public void put(JS key, JS val) throws JSExn {
  95                 ScriptEnv.this.put(JSU.S(this.key + "." + JSU.toString(key)), val); }
  96             public JS get(JS key) throws JSExn { return ScriptEnv.this.get(JSU.S(this.key + "." + JSU.toString(key))); }
  97             public JS call(JS method, JS[] args) throws JSExn {
  98                 return ScriptEnv.this.call(JSU.S(this.key + "." + JSU.toString(method)), args);
  99             }
 100         }
 101         private Sub getSub(String s) { return new Sub(s); }
 102
 103         public JS get(JS name) throws JSExn {
 104             //#jsswitch(name)
 105             case "math": return ibexMath;
 106             case "string": return ibexString;
 107             case "date": return METHOD;
 108             case "regexp": return METHOD;
 109             case "log": return getSub("log");
 110             case "log.debug": return METHOD;
 111             case "log.info": return METHOD;
 112             case "log.warn": return METHOD;
 113             case "log.error": return METHOD;
 114             case "list": return getSub("list");
 115             case "url": return getSub("url");
 116             case "url.encode": return METHOD;
 117             case "mail": return getSub("mail");
 118             case "mail.forward": return METHOD;
 119             case "mail.forward2": return METHOD;
 120             case "mail.send": return METHOD;
 121             case "mail.attempt": return METHOD;
 122             case "mail.later": return Later.instance;
 123             case "mail.drop": return METHOD;
 124             case "mail.razor": return getSub("mail.razor");
 125             case "mail.razor.check": return METHOD;
 126             case "mail.dcc": return getSub("mail.dcc");
 127             case "mail.dcc.check": return METHOD;
 128             case "mail.bounce": return METHOD;
 129             case "mail.reject": return METHOD;
 130             case "mail.my": return getSub("mail.my");
 131             case "mail.dir": return METHOD;
 132             case "mail.shell": return METHOD;
 133             case "mail.my.prefs": try {
 134                     return new org.ibex.js.Directory(new File("/etc/org.ibex.mail.prefs"));
 135             } catch (IOException e) { throw new JSExn(e.toString()); }
 136             case "mail.my.mailbox":
 137                 FileBasedMailbox root = FileBasedMailbox.getFileBasedMailbox(Mailbox.STORAGE_ROOT, true);
 138                 return root.slash("user", true).slash("megacz", true).slash("newmail", true);
 139             case "mail.list": return METHOD;
 140             //#end
 141             return super.get(name);
 142         }
 143
 144         public JS call(JS name0, JS[] args) throws JSExn {
 145             final JS a = args.length >= 1 ? args[0] : null;
 146             final JS b = args.length >= 2 ? args[1] : null;
 147             final JS c = args.length >= 3 ? args[2] : null;
 148             final int nargs = args.length;
 149             String name = JSU.toString(name0);
 150             try {
 151                 if (name.equals("url.encode")) return JSU.S(java.net.URLEncoder.encode(JSU.toString(args[0])));
 152                 if (name.equals("mail.list")) return JSReflection.wrap(MailingList.getMailingList(JSU.toString(args[0])));
 153                 if (name.equals("mail.dir")) {
 154                     return new org.ibex.js.Directory(new File(JSU.toString(args[0])));
 155                 }
 156                 if (name.equals("mail.shell")) {
 157                     // FIXME: EEEEEVIL!
 158                     Log.warn("dbug", args[0].getClass().getName());
 159                     Log.warn("dbug", args[1].getClass().getName());
 160                     final Process p = Runtime.getRuntime().exec(JSU.toString(args[1]));
 161                     Message m = (Message)args[0];
 162                     new Thread() {
 163                         public void run() {
 164                             try {
 165                                 BufferedReader br = new BufferedReader(new InputStreamReader(p.getErrorStream()));
 166                                 String s = null;
 167                                 while((s = br.readLine())!=null)
 168                                     Log.warn("shell", s);
 169                             } catch (Exception e) { e.printStackTrace(); }
 170                         }
 171                     }.start();
 172                     OutputStream os = p.getOutputStream();
 173                     Stream stream = new Stream(os);
 174                     m.getStream().transcribe(stream);
 175                     stream.close();
 176                     p.waitFor();
 177                     return null;
 178                 }
 179                 if (name.equals("date")) { return new JSDate(args); }
 180                 if (name.equals("mail.send") || name.equals("send") || name.equals("mail.attempt") || name.equals("attempt")) {
 181                     boolean attempt = name.equals("mail.attempt") || name.equals("attempt");
 182                     JS m = (JS)a;
 183                     StringBuffer headers = new StringBuffer();
 184                     String body = "";
 185                     Address from = null, to = null, envelopeFrom = null, envelopeTo = null;
 186                     JS.Enumeration e = m.keys();
 187                     for(; e.hasNext();) {
 188                         JS key = (JS)e.next();
 189                         JS val = m.get(key) == null ? null : m.get(key);
 190                         if ("body".equalsIgnoreCase(JSU.toString(key))) body = JSU.toString(val);
 191                         else headers.append(JSU.toString(key) + ": " + JSU.toString(val) + "\r\n");
 192                         if ("from".equalsIgnoreCase(JSU.toString(key))) from = Address.parse(JSU.toString(val));
 193                         if ("to".equalsIgnoreCase(JSU.toString(key))) to = Address.parse(JSU.toString(val));
 194                         if ("envelopeFrom".equalsIgnoreCase(JSU.toString(key))) envelopeFrom = Address.parse(JSU.toString(val));
 195                         if ("envelopeTo".equalsIgnoreCase(JSU.toString(key))) envelopeTo = Address.parse(JSU.toString(val));
 196                     }
 197                     if (envelopeTo == null) envelopeTo = to;
 198                     if (envelopeFrom == null) envelopeFrom = from;
 199                     Message message =
 200                         Message.newMessage(new org.ibex.io.Fountain.StringFountain(headers.toString() + "\r\n" + body),
 201                                            envelopeFrom,
 202                                            envelopeTo
 203                                            );
 204
 205                     boolean ok = false;
 206                     try {
 207                         if (attempt) {
 208                             org.ibex.mail.protocol.SMTP.Outgoing.attempt(message);
 209                         } else {
 210                             org.ibex.mail.protocol.SMTP.Outgoing.accept(message);
 211                         }
 212                         ok = true;
 213                     } catch (Exception ex) {
 214                         if (!attempt) Log.warn(this, ex);
 215                     }
 216                     if (!ok && !attempt) throw new JSExn("SMTP server rejected message");
 217                     return JSU.B(ok);
 218                 }
 219                 if (name.equals("mail.razor.check")) {
 220                     Process p = Runtime.getRuntime().exec("razor-check");
 221                     ((Message)args[0]).getStream().transcribe(new Stream(p.getOutputStream()), true);
 222                     return JSU.N(p.waitFor());
 223                 }
 224                 if (name.equals("mail.dcc.check")) {
 225                     Process p = Runtime.getRuntime().exec(new String[] { "dccproc", "-H" });
 226                     ((Message)args[0]).getStream().transcribe(new Stream(p.getOutputStream()), true);
 227                     StringBuffer ret = new StringBuffer();
 228                     new Stream(p.getInputStream()).transcribe(ret);
 229                     p.waitFor();
 230                     return JSU.S(ret.toString());
 231                 }
 232                 if (name.equals("mail.drop")) {
 233                     return args.length==0 ? new Drop() : new Drop(JSU.toString(args[0]));
 234                 }
 235                 if (name.equals("mail.bounce")) {
 236                     return new JSTarget() {
 237                             public void accept(Message m) throws MailException {
 238                                 try {
 239                                     Message m2 = m.bounce(JSU.toString(a));
 240                                     org.ibex.mail.protocol.SMTP.Outgoing.accept(m2);
 241                                     Log.error(this, "BOUNCING! " + m2.summary());
 242                                 } catch (Exception e) {
 243                                     Log.warn(this, e);
 244                                 }
 245                             } };
 246                 }
 247                 if (name.equals("mail.forward2") || name.equals("forward2")) {
 248                     try {
 249                         Message m2 = Message.newMessage(new org.ibex.io.Fountain.StringFountain(m.toString()),
 250                                                         m.envelopeFrom,
 251                                                         new Address(JSU.toString(a)));
 252                         org.ibex.mail.protocol.SMTP.Outgoing.accept(m2);
 253                     } catch (Exception e) {
 254                         Log.warn(this, e);
 255                         throw new JSExn(e.toString());
 256                     }
 257                     return null;
 258                 }
 259                 if (name.equals("mail.forward") || name.equals("forward")) {
 260                     Message m2 = Message.newMessage(Script.this.m, Script.this.m.envelopeFrom, new Address(JSU.toString(a)));
 261                     org.ibex.mail.protocol.SMTP.Outgoing.attempt(m2, false);
 262                     return Drop.instance;
 263                 }
 264                 if (name.equals("mail.reject"))
 265                     return new Reject(JSU.toString(a));
 266                 if (name.equals("log.debug") || name.equals("debug")) {    JSU.debug(a== null ? "**null**" : JSU.toString(a)); return null; }
 267                 if (name.equals("log.info") || name.equals("info")) {     JSU.info(a== null ? "**null**" : JSU.toString(a)); return null; }
 268                 if (name.equals("log.warn") || name.equals("warn")) {     JSU.warn(a== null ? "**null**" : JSU.toString(a)); return null; }
 269                 if (name.equals("log.error") || name.equals("error")) {    JSU.error(a== null ? "**null**" : JSU.toString(a)); return null; }
 270                 switch (nargs) {
 271                 case 1:
 272                     if (name.equals("regexp")) {return new JSRegexp(a, null); }
 273                     break;
 274                 case 2:
 275                     if (name.equals("regexp")) {return new JSRegexp(a, b); }
 276                 }
 277             } catch (MailException e) { throw e;
 278             } catch (Exception e) {
 279                 Log.warn(this, "ibex."+name+"() threw: " + e);
 280                 Log.warn(this, e);
 281                 if (e instanceof JSExn) throw ((JSExn)e);
 282                 throw new JSExn("invalid argument for ibex object method "+JSU.toString(name0)+"()");
 283             }
 284             throw new JSExn("invalid number of arguments ("+nargs+") for ibex object method "+JSU.toString(name0)+"()");
 285         }
 286
 287         public final JSMath ibexMath = new JSMath() {
 288                 public JS get(JS name) throws JSExn {
 289                     // FIXME!!!
 290                     /*
 291                     case "isNaN": return gs.get(name);
 292                     case "isFinite": return gs.get(name);
 293                     case "NaN": return gs.get(name);
 294                     case "Infinity": return gs.get(name);
 295                     */
 296                     return null;
 297                 }
 298             };
 299
 300         public final JS ibexString = new JS.Immutable() {
 301                 public JS get(JS name) throws JSExn {
 302                     // FIXME!!!
 303                     /*
 304                     case "parseInt": return gs.get(JSU.S("parseInt"));
 305                     case "parseFloat": return gs.get(JSU.S("parseFloat"));
 306                     case "decodeURI": return gs.get(JSU.S("decodeURI"));
 307                     case "decodeURIComponent": return gs.get(JSU.S("decodeURIComponent"));
 308                     case "encodeURI": return gs.get(JSU.S("encodeURI"));
 309                     case "encodeURIComponent": return gs.get(JSU.S("encodeURIComponent"));
 310                     case "escape": return gs.get(JSU.S("escape"));
 311                     case "unescape": return gs.get(JSU.S("unescape"));
 312                     case "fromCharCode": return gs.get(JSU.S("stringFromCharCode"));
 313                     */
 314                     return null;
 315                 }
 316             };
 317     }
 318
 319     private static abstract class JSTarget extends JS.Obj implements Target { }
 320 }