1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]package org.xwt;
8 import org.mozilla.javascript.*;
11 * A crude HTTP[S] connection implementation with support for proxies, since not all Java libraries
12 * (particularly GCJ's) support proxies.
14 * FEATURE: implement pipelining
18 /** the URL to connect to */
21 /** the host to connect to */
24 /** the port to connect on */
27 /** true if SSL (HTTPS) should be used */
30 /** the path (URI) to retrieve on the server */
36 /** the socket's inputstream */
37 InputStream in = null;
39 /** the socket's outputstream */
40 OutputStream out = null;
42 /** the content-type of the data being received */
43 String contentType = null;
45 /** the content-length of the data being recieved */
46 int contentLength = 0;
48 /** additional headers to be transmitted */
51 /** cache for resolveAndCheckIfFirewalled() */
52 static Hashtable resolvedHosts = new Hashtable();
55 // Constructor ////////////////////////////////////////////////////////////////////////////////////////
57 public HTTP(String url) throws MalformedURLException, IOException { this(url, false); }
58 public HTTP(String url, boolean skipResolveCheck) throws MalformedURLException, IOException {
59 if (url.startsWith("https:")) { url = "http" + url.substring(5); ssl = true; }
60 if (!url.startsWith("http:")) throw new HTTPException("HTTP only supports http/https urls");
61 this.url = new URL(url);
62 port = this.url.getPort();
63 path = this.url.getFile();
64 if (port == -1) port = ssl ? 443 : 80;
65 host = this.url.getHost();
66 if (Log.on) Log.log(this, "creating HTTP object for connection to " + host + ":" + port);
67 addHeader("Host", host); // host header is always sent verbatim
68 if (!skipResolveCheck) resolveAndCheckIfFirewalled(host); // might have to use the strict IP if behind a proxy
70 ProxyInfo pi = Platform.detectProxy();
71 if (sock == null && pi != null && pi.proxyAutoConfigFunction != null) sock = attemptPAC(pi.proxyAutoConfigFunction);
72 if (sock == null && pi != null && ssl && pi.httpsProxyHost != null) sock = attemptHttpProxy(pi.httpsProxyHost, pi.httpsProxyPort);
73 if (sock == null && pi != null && pi.httpProxyHost != null) sock = attemptHttpProxy(pi.httpProxyHost, pi.httpProxyPort);
74 if (sock == null && pi != null && pi.socksProxyHost != null) sock = attemptSocksProxy(pi.socksProxyHost, pi.socksProxyPort);
75 if (sock == null) sock = attemptDirect();
76 if (sock == null) throw new HTTPException("all socket creation attempts have failed");
80 // Safeguarded DNS Resolver ///////////////////////////////////////////////////////////////////////////
83 * resolves the hostname and returns it as a string in the form "x.y.z.w", except for the special case "xmlrpc.xwt.org".
84 * @throws HTTPException if the host falls within a firewalled netblock
86 private void resolveAndCheckIfFirewalled(String host) throws HTTPException {
89 if (host.equals("xmlrpc.xwt.org")) return;
92 if (resolvedHosts.get(host) != null) return;
94 if (Log.on) Log.log(this, " resolveAndCheckIfFirewalled: resolving " + host);
96 // if all scripts are trustworthy (local FS), continue
97 if (Main.originAddr == null) return;
101 InetAddress addr = InetAddress.getByName(host);
102 byte[] quadbyte = addr.getAddress();
103 if ((quadbyte[0] == 10 ||
104 (quadbyte[0] == 192 && quadbyte[1] == 168) ||
105 (quadbyte[0] == 172 && (quadbyte[1] & 0xF0) == 16)) && !addr.equals(Main.originAddr))
106 throw new HTTPException("security violation: " + host + " [" + addr.getHostAddress() + "] is in a firewalled netblock");
108 } catch (UnknownHostException uhe) { }
110 // resolve using xmlrpc.xwt.org
111 if (Platform.detectProxy() == null) throw new HTTPException("could not resolve hostname \"" + host + "\" and no proxy configured");
112 if (Log.on) Log.log(this, " could not resolve host " + host + "; using xmlrpc.xwt.org to ensure security");
114 Object ret = new XMLRPC("http://xmlrpc.xwt.org/RPC2/", "dns.resolve").call(new Object[] { host });
115 if (ret == null || !(ret instanceof String)) throw new Exception(" xmlrpc.xwt.org returned non-String: " + ret);
116 resolvedHosts.put(host, ret);
118 } catch (Throwable e) {
119 throw new HTTPException("exception while attempting to use xmlrpc.xwt.org to resolve " + host + ": " + e);
124 // Methods to attempt socket creation /////////////////////////////////////////////////////////////////
126 /** Attempts a direct connection */
127 public Socket attemptDirect() {
129 if (Log.on) Log.log(this, "attempting to create unproxied socket to " + host + ":" + port + (ssl ? " [ssl]" : ""));
130 return Platform.getSocket(host, port, ssl, true);
131 } catch (IOException e) {
132 if (Log.on) Log.log(this, "exception in attemptDirect(): " + e);
137 /** Attempts to use an HTTP proxy, employing the CONNECT method if HTTPS is requested */
138 public Socket attemptHttpProxy(String proxyHost, int proxyPort) {
140 if (Log.on) Log.log(this, "attempting to create HTTP proxied socket using proxy " + proxyHost + ":" + proxyPort);
142 Socket sock = Platform.getSocket(proxyHost, proxyPort, ssl, false);
144 path = "http://" + host + ":" + port + path;
146 PrintWriter pw = new PrintWriter(new OutputStreamWriter(sock.getOutputStream()));
147 BufferedReader br = new BufferedReader(new InputStreamReader(sock.getInputStream()));
148 pw.print("CONNECT " + host + ":" + port + " HTTP/1.1\r\n\r\n");
150 String s = br.readLine();
151 if (s.charAt(9) != '2') throw new HTTPException("proxy refused CONNECT method: \"" + s + "\"");
152 while (br.readLine().length() > 0) { };
153 ((TinySSL)sock).negotiate();
157 } catch (IOException e) {
158 if (Log.on) Log.log(this, "exception in attemptHttpProxy(): " + e);
164 * Implements SOCKSv4 with v4a DNS extension
165 * @see http://www.socks.nec.com/protocol/socks4.protocol
166 * @see http://www.socks.nec.com/protocol/socks4a.protocol
168 public Socket attemptSocksProxy(String proxyHost, int proxyPort) {
170 // even if host is already a "x.y.z.w" string, we use this to parse it into bytes
171 InetAddress addr = null;
172 try { addr = InetAddress.getByName(host); } catch (Exception e) { }
174 if (Log.on) Log.log(this, "attempting to create SOCKSv4" + (addr == null ? "" : "a") +
175 " proxied socket using proxy " + proxyHost + ":" + proxyPort);
178 Socket sock = Platform.getSocket(proxyHost, proxyPort, ssl, false);
180 DataOutputStream dos = new DataOutputStream(sock.getOutputStream());
181 dos.writeByte(0x04); // SOCKSv4(a)
182 dos.writeByte(0x01); // CONNECT
183 dos.writeShort(port & 0xffff); // port
184 if (addr == null) dos.writeInt(0x00000001); // bogus IP
185 else dos.write(addr.getAddress()); // actual IP
186 dos.writeByte(0x00); // no userid
188 PrintWriter pw = new PrintWriter(new OutputStreamWriter(dos));
191 dos.writeByte(0x00); // hostname null terminator
195 DataInputStream dis = new DataInputStream(sock.getInputStream());
196 dis.readByte(); // reply version
197 byte success = dis.readByte(); // success/fail
198 dis.skip(6); // ip/port
200 if ((int)(success & 0xff) == 90) {
201 if (ssl) ((TinySSL)sock).negotiate();
204 if (Log.on) Log.log(this, "SOCKS server denied access, code " + (success & 0xff));
207 } catch (IOException e) {
208 if (Log.on) Log.log(this, "exception in attemptSocksProxy(): " + e);
213 /** executes the PAC script and dispatches a call to one of the other attempt methods based on the result */
214 public Socket attemptPAC(Function pacFunc) {
215 if (Log.on) Log.log(this, "evaluating PAC script");
218 Object obj = pacFunc.call(Context.enter(), ProxyInfo.proxyAutoConfigRootScope, null, new Object[] { url.toString(), url.getHost() });
219 if (Log.on) Log.log(this, " PAC script returned \"" + obj + "\"");
220 pac = obj.toString();
221 } catch (Throwable e) {
222 if (Log.on) Log.log(this, "PAC script threw exception " + e);
226 StringTokenizer st = new StringTokenizer(pac, ";", false);
227 while (st.hasMoreTokens()) {
228 String token = st.nextToken().trim();
229 if (Log.on) Log.log(this, " trying \"" + token + "\"...");
232 if (token.startsWith("DIRECT"))
233 ret = attemptDirect();
234 else if (token.startsWith("PROXY"))
235 ret = attemptHttpProxy(token.substring(token.indexOf(' ') + 1, token.indexOf(':')),
236 Integer.parseInt(token.substring(token.indexOf(':') + 1)));
237 else if (token.startsWith("SOCKS"))
238 ret = attemptSocksProxy(token.substring(token.indexOf(' ') + 1, token.indexOf(':')),
239 Integer.parseInt(token.substring(token.indexOf(':') + 1)));
240 if (ret != null) return ret;
241 } catch (Throwable e) {
242 if (Log.on) Log.log(this, "attempt at \"" + token + "\" failed due to " + e + "; trying next token");
245 if (Log.on) Log.log(this, "all PAC results exhausted");
250 // Everything Else ////////////////////////////////////////////////////////////////////////////
252 /** returns the content-type of the reply */
253 public String getContentType() throws IOException {
258 /** returns the content-length of the reply */
259 public int getContentLength() throws IOException {
261 return contentLength;
264 /** adds a header to the outbound transmission */
265 public void addHeader(String header, String value) throws HTTPException {
266 if (in != null) throw new HTTPException("attempt to add header after connection has been made");
267 headers += header + ": " + value + "\r\n";
270 public OutputStream getOutputStream(int contentLength, String contentType) throws IOException {
271 if (out != null) return out;
272 if (in != null) throw new HTTPException("attempt to getOutputStream() after getInputStream()");
273 out = sock.getOutputStream();
274 PrintWriter pw = new PrintWriter(new OutputStreamWriter(out));
275 pw.print("POST " + path + " HTTP/1.0\r\n");
276 pw.print("User-Agent: XWT\r\n");
277 pw.print("Content-length: " + contentLength + "\r\n");
279 if (contentType != null) pw.print("Content-Type: " + contentType + "\r\n");
285 public InputStream getInputStream() throws IOException {
286 if (in != null) return in;
290 PrintWriter pw = new PrintWriter(new OutputStreamWriter(sock.getOutputStream()));
291 pw.print("GET " + path + " HTTP/1.0\r\n");
292 pw.print("User-Agent: XWT\r\n");
298 in = new BufferedInputStream(sock.getInputStream());
300 // we can't use a BufferedReader directly on the input stream,
301 // since it will buffer past the end of the headers
302 byte[] buf = new byte[4096];
305 int read = in.read();
306 if (read == -1) throw new HTTPException("stream closed while reading headers");
307 buf[buflen++] = (byte)read;
308 if (buflen >= 4 && buf[buflen - 4] == '\r' && buf[buflen - 3] == '\n' && buf[buflen - 2] == '\r' && buf[buflen - 1] == '\n') break;
309 if (buflen == buf.length) {
310 byte[] newbuf = new byte[buf.length * 2];
311 System.arraycopy(buf, 0, newbuf, 0, buflen);
316 BufferedReader headerReader = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, buflen)));
317 String s = headerReader.readLine();
318 if (!s.startsWith("HTTP/")) throw new HTTPException("Expected reply to start with \"HTTP/\"");
319 String reply = s.substring(s.indexOf(' ') + 1);
320 if (!reply.startsWith("2")) throw new HTTPException("HTTP Error: " + reply);
321 while((s = headerReader.readLine()) != null) {
322 if (s.length() > 15 && s.substring(0, 15).equalsIgnoreCase("content-length: "))
323 contentLength = Integer.parseInt(s.substring(15));
331 // HTTPException ///////////////////////////////////////////////////////////////////////////////////
333 static class HTTPException extends IOException {
334 public HTTPException(String s) { super(s); }
338 // ProxyInfo ///////////////////////////////////////////////////////////////////////////////////
340 public static class ProxyInfo {
342 public ProxyInfo() { }
344 /** the HTTP Proxy host to use */
345 public String httpProxyHost = null;
347 /** the HTTP Proxy port to use */
348 public int httpProxyPort = -1;
350 /** if a seperate proxy should be used for HTTPS, this is the hostname; otherwise, httpProxyHost is used */
351 public String httpsProxyHost = null;
353 /** if a seperate proxy should be used for HTTPS, this is the port */
354 public int httpsProxyPort = -1;
356 /** the SOCKS Proxy Host to use */
357 public String socksProxyHost = null;
359 /** the SOCKS Proxy Port to use */
360 public int socksProxyPort = -1;
362 /** hosts to be excluded from proxy use; wildcards permitted */
363 public String[] excluded = null;
365 /** the PAC script */
366 public Function proxyAutoConfigFunction = null;
368 // this method has been disabled because it was causing problems -- some domains are set up so that *.foo.com resolves
369 // to a single IP, for any value of *. If the client's home domain is foo.com, then xwt-proxy-httpHost will resolve erroneously.
370 public static ProxyInfo detectProxyViaManual() {
371 ProxyInfo ret = new ProxyInfo();
373 ret.httpProxyHost = Platform.getEnv("http_proxy");
374 if (ret.httpProxyHost != null) {
375 if (ret.httpProxyHost.startsWith("http://")) ret.httpProxyHost = ret.httpProxyHost.substring(7);
376 if (ret.httpProxyHost.endsWith("/")) ret.httpProxyHost = ret.httpProxyHost.substring(0, ret.httpProxyHost.length() - 1);
377 if (ret.httpProxyHost.indexOf(':') != -1) {
378 ret.httpProxyPort = Integer.parseInt(ret.httpProxyHost.substring(ret.httpProxyHost.indexOf(':') + 1));
379 ret.httpProxyHost = ret.httpProxyHost.substring(0, ret.httpProxyHost.indexOf(':'));
381 ret.httpProxyPort = 80;
385 ret.httpsProxyHost = Platform.getEnv("https_proxy");
386 if (ret.httpsProxyHost != null) {
387 if (ret.httpsProxyHost.startsWith("https://")) ret.httpsProxyHost = ret.httpsProxyHost.substring(7);
388 if (ret.httpsProxyHost.endsWith("/")) ret.httpsProxyHost = ret.httpsProxyHost.substring(0, ret.httpsProxyHost.length() - 1);
389 if (ret.httpsProxyHost.indexOf(':') != -1) {
390 ret.httpsProxyPort = Integer.parseInt(ret.httpsProxyHost.substring(ret.httpsProxyHost.indexOf(':') + 1));
391 ret.httpsProxyHost = ret.httpsProxyHost.substring(0, ret.httpsProxyHost.indexOf(':'));
393 ret.httpsProxyPort = 80;
397 ret.socksProxyHost = Platform.getEnv("socks_proxy");
398 if (ret.socksProxyHost != null) {
399 if (ret.socksProxyHost.startsWith("socks://")) ret.socksProxyHost = ret.socksProxyHost.substring(7);
400 if (ret.socksProxyHost.endsWith("/")) ret.socksProxyHost = ret.socksProxyHost.substring(0, ret.socksProxyHost.length() - 1);
401 if (ret.socksProxyHost.indexOf(':') != -1) {
402 ret.socksProxyPort = Integer.parseInt(ret.socksProxyHost.substring(ret.socksProxyHost.indexOf(':') + 1));
403 ret.socksProxyHost = ret.socksProxyHost.substring(0, ret.socksProxyHost.indexOf(':'));
405 ret.socksProxyPort = 80;
409 String noproxy = Platform.getEnv("no_proxy");
410 if (noproxy != null) {
411 StringTokenizer st = new StringTokenizer(noproxy, ",");
412 ret.excluded = new String[st.countTokens()];
413 for(int i=0; st.hasMoreTokens(); i++) ret.excluded[i] = st.nextToken();
416 if (ret.httpProxyHost == null && ret.socksProxyHost == null) return null;
420 // FIXME: search up from default domain
421 public static ProxyInfo detectProxyViaWPAD() {
423 InetAddress wpad = InetAddress.getByName("wpad");
424 if (Log.on) Log.log(Platform.class, "using Web Proxy Auto Detection to detect proxy settings");
425 ProxyInfo ret = new ProxyInfo();
426 ret.proxyAutoConfigFunction = getProxyAutoConfigFunction("http://wpad/wpad.dat");
427 if (ret.proxyAutoConfigFunction != null) return ret;
428 } catch (UnknownHostException e) {
429 if (Log.on) Log.log(HTTP.class, "couldn't find WPAD server: " + e);
434 public static Scriptable proxyAutoConfigRootScope = new ProxyAutoConfigRootScope();
436 public static Function getProxyAutoConfigFunction(String url) {
438 Context cx = Context.enter();
439 cx.setOptimizationLevel(-1);
440 BufferedReader br = new BufferedReader(new InputStreamReader(new HTTP(url, true).getInputStream()));
443 while((s = br.readLine()) != null) script += s + "\n";
444 if (Log.on) Log.log(ProxyInfo.class, "successfully retrieved WPAD PAC:");
445 if (Log.on) Log.log(ProxyInfo.class, script);
448 Vector carpHosts = new Vector();
449 for(int i=0; i<script.length(); i++)
450 if (script.regionMatches(i, "new Node(", 0, 9)) {
451 String host = script.substring(i + 10, script.indexOf('\"', i + 11));
452 if (Log.on) Log.log(ProxyInfo.class, "Detected MS Proxy Server CARP Script, Host=" + host);
453 carpHosts.addElement(host);
455 if (carpHosts.size() > 0) {
456 script = "function FindProxyForURL(url, host) {\nreturn \"";
457 for(int i=0; i<carpHosts.size(); i++)
458 script += "PROXY " + carpHosts.elementAt(i) + "; ";
460 if (Log.on) Log.log(ProxyInfo.class, "DeCARPed PAC script:");
461 if (Log.on) Log.log(ProxyInfo.class, script);
464 Script scr = cx.compileReader(proxyAutoConfigRootScope, new StringReader(script), "PAC script at " + url, 0, null);
465 scr.exec(cx, proxyAutoConfigRootScope);
466 return (Function)proxyAutoConfigRootScope.get("FindProxyForURL", null);
467 } catch (Exception e) {
469 Log.log(Platform.class, "WPAD detection failed due to:");
470 if (e instanceof EcmaError) Log.log(HTTP.class, ((EcmaError)e).getMessage() + " at " +
471 ((EcmaError)e).getSourceName() + ":" + ((EcmaError)e).getLineNumber());
472 else Log.log(Platform.class, e);
478 public static class ProxyAutoConfigRootScope extends ScriptableObject {
480 public String getClassName() { return "ProxyAutoConfigRootScope"; }
481 ProxyAutoConfigRootScope() { Context.enter().initStandardObjects(this); }
483 public Object get(String name, Scriptable start) {
484 if (name.equals("isPlainHostName")) return isPlainHostName;
485 else if (name.equals("dnsDomainIs")) return dnsDomainIs;
486 else if (name.equals("localHostOrDomainIs")) return localHostOrDomainIs;
487 else if (name.equals("isResolvable")) return isResolvable;
488 else if (name.equals("dnsResolve")) return dnsResolve;
489 else if (name.equals("myIpAddress")) return myIpAddress;
490 else if (name.equals("dnsDomainLevels")) return dnsDomainLevels;
491 else if (name.equals("shExpMatch")) return shExpMatch;
492 else if (name.equals("weekdayRange")) return weekdayRange;
493 else if (name.equals("dateRange")) return dateRange;
494 else if (name.equals("timeRange")) return timeRange;
495 else if (name.equals("ProxyConfig")) return ProxyConfig;
496 else return super.get(name, start);
499 private static final JSObject proxyConfigBindings = new JSObject();
500 private static final JSObject ProxyConfig = new JSObject() {
501 public Object get(String name, Scriptable start) {
502 if (name.equals("bindings")) return proxyConfigBindings;
507 private static abstract class JSFunction extends JSObject implements Function {
508 JSFunction() { setSeal(true); }
509 public Scriptable construct(Context cx, Scriptable scope, java.lang.Object[] args) { return null; }
512 private static final JSFunction isPlainHostName = new JSFunction() {
513 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
514 return (args[0].toString().indexOf('.') == -1) ? Boolean.TRUE : Boolean.FALSE;
518 private static final JSFunction dnsDomainIs = new JSFunction() {
519 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
520 return (args[0].toString().endsWith(args[1].toString())) ? Boolean.TRUE : Boolean.FALSE;
524 private static final JSFunction localHostOrDomainIs = new JSFunction() {
525 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
526 return (args[0].toString().equals(args[1].toString()) ||
527 (args[0].toString().indexOf('.') == -1 && args[1].toString().startsWith(args[0].toString()))) ?
528 Boolean.TRUE : Boolean.FALSE;
532 private static final JSFunction isResolvable = new JSFunction() {
533 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
535 return (InetAddress.getByName(args[0].toString()) != null) ? Boolean.TRUE : Boolean.FALSE;
536 } catch (UnknownHostException e) {
537 return Boolean.FALSE;
542 private static final JSFunction isInNet = new JSFunction() {
543 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
544 if (args.length != 3) return Boolean.FALSE;
546 byte[] host = InetAddress.getByName(args[0].toString()).getAddress();
547 byte[] net = InetAddress.getByName(args[1].toString()).getAddress();
548 byte[] mask = InetAddress.getByName(args[2].toString()).getAddress();
549 return ((host[0] & mask[0]) == net[0] &&
550 (host[1] & mask[1]) == net[1] &&
551 (host[2] & mask[2]) == net[2] &&
552 (host[3] & mask[3]) == net[3]) ?
553 Boolean.TRUE : Boolean.FALSE;
554 } catch (Exception e) {
555 throw new JavaScriptException("exception in isInNet(): " + e);
560 private static final JSFunction dnsResolve = new JSFunction() {
561 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
563 return InetAddress.getByName(args[0].toString()).getHostAddress();
564 } catch (UnknownHostException e) {
570 private static final JSFunction myIpAddress = new JSFunction() {
571 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
573 return InetAddress.getLocalHost().getHostAddress();
574 } catch (UnknownHostException e) {
575 if (Log.on) Log.log(this, "strange... host does not know its own address");
581 private static final JSFunction dnsDomainLevels = new JSFunction() {
582 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
583 String s = args[0].toString();
585 while((i = s.indexOf('.', i)) != -1) i++;
586 return new Integer(i);
591 private static boolean match(String[] arr, String s, int index) {
592 if (index == arr.length) return true;
593 for(int i=0; i<s.length(); i++) {
594 String s2 = s.substring(i);
595 if (s2.startsWith(arr[index]) && match(arr, s.substring(arr[index].length()), index + 1)) return true;
600 private static final JSFunction shExpMatch = new JSFunction() {
601 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
602 StringTokenizer st = new StringTokenizer(args[1].toString(), "*", false);
603 String[] arr = new String[st.countTokens()];
604 String s = args[0].toString();
605 for (int i=0; st.hasMoreTokens(); i++) arr[i] = st.nextToken();
606 return match(arr, s, 0) ? Boolean.TRUE : Boolean.FALSE;
610 public static String[] days = { "SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT" };
612 private static final JSFunction weekdayRange = new JSFunction() {
613 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
614 TimeZone tz = (args.length < 3 || args[2] == null || !args[2].equals("GMT")) ? TimeZone.getTimeZone("UTC") : TimeZone.getDefault();
615 Calendar c = new GregorianCalendar();
617 c.setTime(new Date());
618 Date d = c.getTime();
619 int day = d.getDay();
621 String d1s = args[0].toString().toUpperCase();
623 for(int i=0; i<days.length; i++) if (days[i].equals(d1s)) d1 = i;
625 if (args.length == 1)
626 return d1 == day ? Boolean.TRUE : Boolean.FALSE;
628 String d2s = args[1].toString().toUpperCase();
629 for(int i=0; i<days.length; i++) if (days[i].equals(d2s)) d2 = i;
632 ((d1 <= d2 && day >= d1 && day <= d2) ||
633 (d1 > d2 && (day >= d1 || day <= d2))) ?
634 Boolean.TRUE : Boolean.FALSE;
638 private static final JSFunction dateRange = new JSFunction() {
639 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
640 throw new JavaScriptException("XWT does not support dateRange() in PAC scripts");
644 private static final JSFunction timeRange = new JSFunction() {
645 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
646 throw new JavaScriptException("XWT does not support timeRange() in PAC scripts");