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1
22
23 package org.meshcms.core;
24
25 import java.io.*;
26 import java.nio.charset.*;
27 import java.net.*;
28 import java.text.*;
29 import java.util.*;
30 import javax.activation.*;
31 import javax.servlet.*;
32 import javax.servlet.http.*;
33 import javax.servlet.jsp.*;
34 import javax.xml.parsers.*;
35 import org.w3c.dom.*;
36 import org.meshcms.util.*;
37
38
41 public final class WebUtils {
42 public static final SimpleDateFormat numericDateFormatter =
43 new SimpleDateFormat("yyyyMMddHHmmss");
44
45
48 public static final String  FN_CHARS =
49 "'()-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
50
51
54 public static final String FN_CHARMAP =
55 "________________________________" +
56 "__'____'()..--._0123456789..(-)." +
57 "_ABCDEFGHIJKLMNOPQRSTUVWXYZ(_)__" +
58 "'abcdefghijklmnopqrstuvwxyz(_)-_" +
59 "________________________________" +
60 "__cL.Y_P_Ca(__R-o-23'mP._10)423_" +
61 "AAAAAAACEEEEIIIIENOOOOOxOUUUUYTS" +
62 "aaaaaaaceeeeiiiienooooo-ouuuuyty";
63
64
67 public static final String FN_SPACERS = "_!'()-";
68
69
73 public static final String [] DEFAULT_WELCOME_FILES =
74 {"index.html", "index.htm", "index.jsp"};
75
76 public static Properties NUMBER_TO_ENTITY;
77 public static Properties ENTITY_TO_NUMBER;
78
79 static {
80 String [] entities = {
81 "39", "#39", "160", "nbsp", "161", "iexcl", "162", "cent", "163", "pound",
82 "164", "curren", "165", "yen", "166", "brvbar", "167", "sect",
83 "168", "uml", "169", "copy", "170", "ordf", "171", "laquo", "172", "not",
84 "173", "shy", "174", "reg", "175", "macr", "176", "deg", "177", "plusmn",
85 "178", "sup2", "179", "sup3", "180", "acute", "181", "micro",
86 "182", "para", "183", "middot", "184", "cedil", "185", "sup1",
87 "186", "ordm", "187", "raquo", "188", "frac14", "189", "frac12",
88 "190", "frac34", "191", "iquest", "192", "Agrave", "193", "Aacute",
89 "194", "Acirc", "195", "Atilde", "196", "Auml", "197", "Aring",
90 "198", "AElig", "199", "Ccedil", "200", "Egrave", "201", "Eacute",
91 "202", "Ecirc", "203", "Euml", "204", "Igrave", "205", "Iacute",
92 "206", "Icirc", "207", "Iuml", "208", "ETH", "209", "Ntilde",
93 "210", "Ograve", "211", "Oacute", "212", "Ocirc", "213", "Otilde",
94 "214", "Ouml", "215", "times", "216", "Oslash", "217", "Ugrave",
95 "218", "Uacute", "219", "Ucirc", "220", "Uuml", "221", "Yacute",
96 "222", "THORN", "223", "szlig", "224", "agrave", "225", "aacute",
97 "226", "acirc", "227", "atilde", "228", "auml", "229", "aring",
98 "230", "aelig", "231", "ccedil", "232", "egrave", "233", "eacute",
99 "234", "ecirc", "235", "euml", "236", "igrave", "237", "iacute",
100 "238", "icirc", "239", "iuml", "240", "eth", "241", "ntilde",
101 "242", "ograve", "243", "oacute", "244", "ocirc", "245", "otilde",
102 "246", "ouml", "247", "divide", "248", "oslash", "249", "ugrave",
103 "250", "uacute", "251", "ucirc", "252", "uuml", "253", "yacute",
104 "254", "thorn", "255", "yuml", "402", "fnof", "913", "Alpha",
105 "914", "Beta", "915", "Gamma", "916", "Delta", "917", "Epsilon",
106 "918", "Zeta", "919", "Eta", "920", "Theta", "921", "Iota",
107 "922", "Kappa", "923", "Lambda", "924", "Mu", "925", "Nu", "926", "Xi",
108 "927", "Omicron", "928", "Pi", "929", "Rho", "931", "Sigma", "932", "Tau",
109 "933", "Upsilon", "934", "Phi", "935", "Chi", "936", "Psi",
110 "937", "Omega", "945", "alpha", "946", "beta", "947", "gamma",
111 "948", "delta", "949", "epsilon", "950", "zeta", "951", "eta",
112 "952", "theta", "953", "iota", "954", "kappa", "955", "lambda",
113 "956", "mu", "957", "nu", "958", "xi", "959", "omicron", "960", "pi",
114 "961", "rho", "962", "sigmaf", "963", "sigma", "964", "tau",
115 "965", "upsilon", "966", "phi", "967", "chi", "968", "psi",
116 "969", "omega", "977", "thetasym", "978", "upsih", "982", "piv",
117 "8226", "bull", "8230", "hellip", "8242", "prime", "8243", "Prime",
118 "8254", "oline", "8260", "frasl", "8472", "weierp", "8465", "image",
119 "8476", "real", "8482", "trade", "8501", "alefsym", "8592", "larr",
120 "8593", "uarr", "8594", "rarr", "8595", "darr", "8596", "harr",
121 "8629", "crarr", "8656", "lArr", "8657", "uArr", "8658", "rArr",
122 "8659", "dArr", "8660", "hArr", "8704", "forall", "8706", "part",
123 "8707", "exist", "8709", "empty", "8711", "nabla", "8712", "isin",
124 "8713", "notin", "8715", "ni", "8719", "prod", "8721", "sum",
125 "8722", "minus", "8727", "lowast", "8730", "radic", "8733", "prop",
126 "8734", "infin", "8736", "ang", "8743", "and", "8744", "or",
127 "8745", "cap", "8746", "cup", "8747", "int", "8756", "there4",
128 "8764", "sim", "8773", "cong", "8776", "asymp", "8800", "ne",
129 "8801", "equiv", "8804", "le", "8805", "ge", "8834", "sub", "8835", "sup",
130 "8836", "nsub", "8838", "sube", "8839", "supe", "8853", "oplus",
131 "8855", "otimes", "8869", "perp", "8901", "sdot", "8968", "lceil",
132 "8969", "rceil", "8970", "lfloor", "8971", "rfloor", "9001", "lang",
133 "9002", "rang", "9674", "loz", "9824", "spades", "9827", "clubs",
134 "9829", "hearts", "9830", "diams", "34", "quot", "38", "amp", "60", "lt",
135 "62", "gt", "338", "OElig", "339", "oelig", "352", "Scaron",
136 "353", "scaron", "376", "Yuml", "710", "circ", "732", "tilde",
137 "8194", "ensp", "8195", "emsp", "8201", "thinsp", "8204", "zwnj",
138 "8205", "zwj", "8206", "lrm", "8207", "rlm", "8211", "ndash",
139 "8212", "mdash", "8216", "lsquo", "8217", "rsquo", "8218", "sbquo",
140 "8220", "ldquo", "8221", "rdquo", "8222", "bdquo", "8224", "dagger",
141 "8225", "Dagger", "8240", "permil", "8249", "lsaquo", "8250", "rsaquo",
142 "8364", "euro"
143 };
144
145 NUMBER_TO_ENTITY = new Properties();
146 ENTITY_TO_NUMBER = new Properties();
147
148 for (int i = 0; i < entities.length; i += 2) {
149 NUMBER_TO_ENTITY.setProperty(entities[i], entities[i + 1]);
150 ENTITY_TO_NUMBER.setProperty(entities[i + 1], entities[i]);
151 }
152 }
153
154 public static String convertToHTMLEntities(String s, boolean encodeTags) {
155 StringBuffer sb = new StringBuffer (s.length());
156
157 for (int i = 0; i < s.length(); i++) {
158 char c = s.charAt(i);
159 int n = ((int) c) & 0xFFFF;
160
161 if (n > 127) {
162 String ent = NUMBER_TO_ENTITY.getProperty(Integer.toString(c));
163
164 if (ent == null) {
165 sb.append("&#").append(n).append(';');
166 } else {
167 sb.append('&').append(ent).append(';');
168 }
169 } else if (encodeTags && (n == 34 || n == 39 || n == 60 || n == 62)) {
170 sb.append('&').append(NUMBER_TO_ENTITY.getProperty(Integer.toString(c))).append(';');
171 } else {
172 sb.append(c);
173 }
174 }
175
176 return sb.toString();
177 }
178
179
187 public static String [] getWelcomeFiles(ServletContext sc) {
188 File webXml = new File(sc.getRealPath("/WEB-INF/web.xml"));
189 String [] welcomeFiles = null;
190
191 try {
192 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
193 DocumentBuilder parser = factory.newDocumentBuilder();
194 Document document = parser.parse(webXml);
195 Element root = document.getDocumentElement();
196 Element wfl = (Element)
197 (root.getElementsByTagName("welcome-file-list").item(0));
198 NodeList wfnl = wfl.getElementsByTagName("welcome-file");
199 welcomeFiles = new String [wfnl.getLength()];
200
201 for (int i = 0; i < welcomeFiles.length; i++) {
202 welcomeFiles[i] = wfnl.item(i).getFirstChild().getNodeValue();
203 }
204 } catch (Exception ex) {
205 ex.printStackTrace();
206 }
207
208 if (welcomeFiles == null || welcomeFiles.length == 0) {
209 welcomeFiles = DEFAULT_WELCOME_FILES;
210 }
211
212 return welcomeFiles;
213 }
214
215
219 public static String getFullParameter(HttpServletRequest request, String name) {
220 String value = request.getParameter(name);
221 return (value == null) ? "" : "&" + name + "=" + value;
222 }
223
224
227 public static String getPathInContext(HttpServletRequest request, Path path) {
228 return request.getContextPath() + "/" + path;
229 }
230
231
236 public static String getFullRequestURL(HttpServletRequest request) {
237 StringBuffer sb = request.getRequestURL();
238 String qs = request.getQueryString();
239
240 if (!Utils.isNullOrEmpty(qs)) {
241 sb.append('?').append(qs);
242 }
243
244 return sb.toString();
245 }
246
247
251 public static StringBuffer getContextHomeURL(HttpServletRequest request) {
252 StringBuffer sb = new StringBuffer ();
253 String scheme = request.getScheme();
254 sb.append(scheme).append("://");
255 sb.append(request.getServerName());
256 int port = request.getServerPort();
257
258 if (!(("http".equals(scheme) && port == 80) ||
259 ("https".equals(scheme) && port == 443))) {
260 sb.append(':').append(port);
261 }
262
263 return sb.append(request.getContextPath());
264 }
265
266
272 public static String getFullThemeFolder(HttpServletRequest request) {
273 Path themePath = (Path) request.getAttribute(HitFilter.THEME_PATH_ATTRIBUTE);
274
275 return (themePath == null) ? "" :
276 request.getContextPath() + "/" + themePath;
277 }
278
279
285 public static String getFullThemeFile(HttpServletRequest request) {
286 return getFullThemeFolder(request) + "/" + SiteMap.THEME_DECORATOR;
287 }
288
289
295 public static String getFullThemeCSS(HttpServletRequest request) {
296 return getFullThemeFolder(request) + "/" + SiteMap.THEME_CSS;
297 }
298
299
306 public static String getFullMeshCSS(WebSite webSite, HttpServletRequest request) {
307 Path themePath = (Path) request.getAttribute(HitFilter.THEME_PATH_ATTRIBUTE);
308 Path cssPath = themePath.add(SiteMap.MESHCMS_CSS);
309
310 if (!webSite.getFile(cssPath).exists()) {
311 cssPath = webSite.getAdminThemePath().add(SiteMap.MESHCMS_CSS);
312 }
313
314 return request.getContextPath() + "/" + cssPath;
315 }
316
317
323 public static int getMenuCode(Object o) {
324 return o.hashCode() & 0x7FFFFFFF;
325 }
326
327
330 public static String get2ndLevelDomain(HttpServletRequest request) {
331 return get2ndLevelDomain(request.getRequestURL().toString());
332 }
333
334
337 public static String get2ndLevelDomain(String urlString) {
338 try {
339 URL url = new URL(urlString);
340 String host = url.getHost();
341 int dot = host.lastIndexOf('.');
342
343 if (dot != -1) {
344 String partial = host.substring(0, dot);
345 dot = partial.lastIndexOf('.');
346
347 if (dot != -1) {
348 host = host.substring(dot + 1);
349 }
350
351 return host;
352 }
353 } catch (Exception ex) {}
354
355 return null;
356 }
357
358
363 public static void setBlockCache(HttpServletRequest request) {
364 request.setAttribute(HitFilter.BLOCK_CACHE_ATTRIBUTE,
365 HitFilter.BLOCK_CACHE_ATTRIBUTE);
366 }
367
368
372 public static boolean isCacheBlocked(HttpServletRequest request) {
373 return request.getAttribute(HitFilter.BLOCK_CACHE_ATTRIBUTE) != null;
374 }
375
376
381 public static Locale getPageLocale(PageContext pageContext) {
382 Locale locale = null;
383
384 UserInfo userInfo = (UserInfo) pageContext.getAttribute("userInfo",
385 PageContext.SESSION_SCOPE);
386
387 if (userInfo != null) {
388 locale = Utils.getLocale(userInfo.getPreferredLocaleCode());
389 }
390
391 if (locale == null) {
392 locale = (Locale) pageContext.getAttribute(HitFilter.LOCALE_ATTRIBUTE,
393 PageContext.PAGE_SCOPE);
394 }
395
396 Enumeration en = pageContext.getAttributeNamesInScope(PageContext.PAGE_SCOPE);
397
398 while (locale == null && en.hasMoreElements()) {
399 Object obj = pageContext.getAttribute((String ) en.nextElement());
400
401 if (obj instanceof Locale) {
402 locale = (Locale) obj;
403 }
404 }
405
406 if (locale == null) {
407 locale = (Locale) pageContext.getAttribute(HitFilter.LOCALE_ATTRIBUTE,
408 PageContext.REQUEST_SCOPE);
409 }
410
411 en = pageContext.getAttributeNamesInScope(PageContext.REQUEST_SCOPE);
412
413 while (locale == null && en.hasMoreElements()) {
414 Object obj = pageContext.getAttribute((String ) en.nextElement(),
415 PageContext.REQUEST_SCOPE);
416
417 if (obj instanceof Locale) {
418 locale = (Locale) obj;
419 }
420 }
421
422 if (locale == null) {
423 locale = pageContext.getRequest().getLocale();
424 }
425
426 if (locale == null) {
427 locale = Locale.getDefault();
428 }
429
430 return locale;
431 }
432
433
439 public static ResourceBundle getPageResourceBundle(PageContext pageContext) {
440 Enumeration en = pageContext.getAttributeNamesInScope(PageContext.PAGE_SCOPE);
441
442 while (en.hasMoreElements()) {
443 Object obj = pageContext.getAttribute((String ) en.nextElement());
444
445 if (obj instanceof ResourceBundle) {
446 return (ResourceBundle) obj;
447 } else if (obj instanceof javax.servlet.jsp.jstl.fmt.LocalizationContext) {
448 return ((javax.servlet.jsp.jstl.fmt.LocalizationContext) obj).getResourceBundle();
449 }
450 }
451
452 en = pageContext.getAttributeNamesInScope(PageContext.REQUEST_SCOPE);
453
454 while (en.hasMoreElements()) {
455 Object obj = pageContext.getAttribute((String ) en.nextElement(),
456 PageContext.REQUEST_SCOPE);
457
458 if (obj instanceof ResourceBundle) {
459 return (ResourceBundle) obj;
460 } else if (obj instanceof javax.servlet.jsp.jstl.fmt.LocalizationContext) {
461 return ((javax.servlet.jsp.jstl.fmt.LocalizationContext) obj).getResourceBundle();
462 }
463 }
464
465 return null;
466 }
467
468
472 public static String fixFileName(String name, boolean useSpacers) {
473 name = name.trim();
474 StringBuffer sb = new StringBuffer (name.length());
475 boolean addSpacer = false;
476 char spacer = FN_SPACERS.charAt(0);
477 char c;
478
479 for (int i = 0; i < name.length(); i++) {
480 c = name.charAt(i);
481
482 if (c < 256) {
483 c = FN_CHARMAP.charAt(c);
484 } else {
485 c = spacer;
486 }
487
488 if (FN_SPACERS.indexOf(c) < 0) { if (addSpacer) { if (useSpacers && sb.length() > 0) { sb.append(spacer);
492 }
493
494 addSpacer = false;
495 }
496
497 sb.append(c);
498 } else {
499 addSpacer = true; }
501 }
502
503 while(sb.length() > 0 && sb.charAt(sb.length() - 1) == '.') {
504 sb.deleteCharAt(sb.length() - 1);
505 }
506
507 if (sb.length() == 0) {
508 sb.append(spacer);
509 }
510
511 return sb.toString();
512 }
513
514
518 public static String formatFileLength(long length, Locale locale,
519 ResourceBundle bundle) {
520 NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);
521 DecimalFormat format = (DecimalFormat) numberFormat;
522 format.applyPattern("###0.##");
523 double num = length;
524 String unit;
525
526 if (length < Utils.KBYTE) {
527 unit = "genericUnitBytes";
528 } else if (length < Utils.MBYTE) {
529 num /= Utils.KBYTE;
530 unit = "genericUnitKilobytes";
531 } else if (length < Utils.GBYTE) {
532 num /= Utils.MBYTE;
533 unit = "genericUnitMegabytes";
534 } else {
535 num /= Utils.GBYTE;
536 unit = "genericUnitGigabytes";
537 }
538
539 return format.format(num) + bundle.getString(unit);
540 }
541
542 public static String getCharsetCanonicalName(String charsetName) {
543 Charset suggestedCharset;
544
545 try {
546 suggestedCharset = Charset.forName(charsetName);
547 charsetName = suggestedCharset.name();
548 } catch (Exception ex) {}
549
550 return charsetName;
551 }
552
553 public static String parseCharset(String fullValue) {
554 try {
555 return new MimeType(fullValue).getParameter("charset");
556 } catch (MimeTypeParseException ex) {
557 return null;
558 }
559 }
560
561 public static void updateLastModifiedTime(HttpServletRequest request, File file) {
562 updateLastModifiedTime(request, file.lastModified());
563 }
564
565 public static void updateLastModifiedTime(HttpServletRequest request, long time) {
566 if (time > getLastModifiedTime(request)) {
567 request.setAttribute(HitFilter.LAST_MODIFIED_ATTRIBUTE, new Long (time));
568 }
569 }
570
571 public static long getLastModifiedTime(HttpServletRequest request) {
572 long time = 0L;
573
574 try {
575 time = ((Long ) request.getAttribute(HitFilter.LAST_MODIFIED_ATTRIBUTE)).longValue();
576 } catch (Exception ex) {}
577
578 return time;
579 }
580
581 public static javax.mail.Session getMailSession(WebSite webSite) {
582 Properties props = new Properties();
583 props.put("mail.smtp.host", webSite.getConfiguration().getMailServer());
584 final String smtpUsername = webSite.getConfiguration().getSmtpUsername();
585 final String smtpPassword = webSite.getConfiguration().getSmtpPassword();
586
587 if (!Utils.isNullOrWhitespace(smtpUsername)) {
588 props.put("mail.smtp.auth", "true");
589 }
590
591 javax.mail.Session mailSession = javax.mail.Session.getInstance(props,
592 new javax.mail.Authenticator () {
593 protected javax.mail.PasswordAuthentication getPasswordAuthentication() {
594 return new javax.mail.PasswordAuthentication (smtpUsername, smtpPassword);
595 }
596 });
597
598 return mailSession;
599 }
600
601 public static File getCacheFile(WebSite webSite, SiteMap siteMap, Path pagePath) {
602 if (siteMap == null) {
603 siteMap = webSite.getSiteMap();
604 }
605
606 pagePath = siteMap.getServedPath(pagePath);
607 File cacheFile = webSite.getRepositoryFile(pagePath, HitFilter.CACHE_FILE_NAME);
608 if (cacheFile.exists() && cacheFile.length() > 256 &&
610 cacheFile.lastModified() > siteMap.getLastModified()) {
611 return cacheFile;
612 }
613
614 return null;
615 }
616
617 public static boolean isCached(WebSite webSite, SiteMap siteMap, Path pagePath) {
618 if (siteMap == null) {
619 siteMap = webSite.getSiteMap();
620 }
621
622 int cacheType = webSite.getConfiguration().getCacheType();
623 pagePath = siteMap.getServedPath(pagePath);
624
625 if (cacheType == Configuration.IN_MEMORY_CACHE) {
626 return siteMap.isCached(pagePath);
627 } else if (cacheType == Configuration.ON_DISK_CACHE) {
628 return getCacheFile(webSite, siteMap, pagePath) != null;
629 }
630
631 return false;
632 }
633
634 public static void removeFromCache(WebSite webSite, SiteMap siteMap, Path pagePath) {
635 if (siteMap == null) {
636 siteMap = webSite.getSiteMap();
637 }
638
639 int cacheType = webSite.getConfiguration().getCacheType();
640 pagePath = siteMap.getServedPath(pagePath);
641
642 if (cacheType == Configuration.IN_MEMORY_CACHE) {
643 siteMap.removeFromCache(pagePath);
644 } else if (cacheType == Configuration.ON_DISK_CACHE) {
645 File cacheFile = getCacheFile(webSite, siteMap, pagePath);
646
647 if (cacheFile != null && cacheFile.exists()) {
648 Utils.forceDelete(cacheFile);
649 }
650 }
651 }
652
653
656 public static String encodeHTML(String html) {
657 return Utils.encodeHTML(html);
658 }
659
660 public static Path getCorrespondingPath(WebSite webSite, Path path,
661 String otherRoot) {
662 Path cPath = path.replace(0, otherRoot);
663 return webSite.getFile(cPath).exists() ? cPath : new Path(otherRoot);
664 }
665
666 public static String [] getAcceptedLanguages(HttpServletRequest request) {
667 Enumeration alEnum = request.getHeaders("Accept-Language");
668 List list = new ArrayList();
669
670 while (alEnum.hasMoreElements()) {
671 String s = (String ) alEnum.nextElement();
672 StringTokenizer st = new StringTokenizer(s, ",");
673
674 while (st.hasMoreTokens()) {
675 String token = st.nextToken();
676 int sc = token.indexOf(';');
677
678 if (sc >= 0) {
679 token = token.substring(0, sc);
680 }
681
682 token = token.trim();
683 token = Utils.replace(token, '-', "_");
684
685 if (!list.contains(token)) {
686 list.add(token);
687 }
688 }
689 }
690
691 int n = list.size();
694
695 for (int i = 0; i < n; i++) {
696 String token = (String ) list.get(i);
697 int us = token.indexOf('_');
698
699 if (us >= 0) {
700 token = token.substring(0, us);
701
702 if (!list.contains(token)) {
703 list.add(token);
704 }
705 }
706 }
707
708 return (String []) list.toArray(new String [list.size()]);
709 }
710 }
711 |
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