1 // all utility functions go in here

     2 

     3 function makeUrl(page, query, html_friendly)

     4 {

     5   url = contentPath+page;

     6   if(url.indexOf('?') > 0) sep = '&';

     7   else sep = '?';

     8   if(query)

     9   {

    10     url = url + sep + query;

    11   }

    12   if(html_friendly)

    13   {

    14     url = url.replace('&', '&');

    15     url = url.replace('<', '&lt;');

    16     url = url.replace('>', '>');

    17   }

    18   return url;

    19 }

    20 

    21 function makeUrlNS(namespace, page, query, html_friendly)

    22 {

    23   var url = contentPath+namespace_list[namespace]+(page.replace(/ /g, '_'));

    24   if(url.indexOf('?') > 0) sep = '&';

    25   else sep = '?';

    26   if(query)

    27   {

    28     url = url + sep + query;

    29   }

    30   if(html_friendly)

    31   {

    32     url = url.replace('&', '&');

    33     url = url.replace('<', '&lt;');

    34     url = url.replace('>', '>');

    35   }

    36   return append_sid(url);

    37 }

    38 

    39 function strToPageID(string)

    40 {

    41   // Convert Special:UploadFile to ['UploadFile', 'Special'], but convert 'Image:Enano.png' to ['Enano.png', 'File']

    42   for(var i in namespace_list)

    43     if(namespace_list[i] != '')

    44       if(namespace_list[i] == string.substr(0, namespace_list[i].length))

    45         return [string.substr(namespace_list[i].length), i];

    46   return [string, 'Article'];

    47 }

    48 

    49 function append_sid(url)

    50 {

    51   sep = ( url.indexOf('?') > 0 ) ? '&' : '?';

    52   if(ENANO_SID.length > 10)

    53   {

    54     url = url + sep + 'auth=' + ENANO_SID;

    55     sep = '&';

    56   }

    57   if ( pagepass.length > 0 )

    58   {

    59     url = url + sep + 'pagepass=' + pagepass;

    60   }

    61   return url;

    62 }

    63 

    64 var stdAjaxPrefix = append_sid(scriptPath+'/ajax.php?title='+title);

    65 

    66 /**

    67  * Core AJAX library

    68  */

    69 

    70 function ajaxMakeXHR()

    71 {

    72   var ajax;

    73   if (window.XMLHttpRequest) {

    74     ajax = new XMLHttpRequest();

    75   } else {

    76     if (window.ActiveXObject) {           

    77       ajax = new ActiveXObject("Microsoft.XMLHTTP");

    78     } else {

    79       alert('Enano client-side runtime error: No AJAX support, unable to continue');

    80       return;

    81     }

    82   }

    83   return ajax;

    84 }

    85 

    86 function ajaxGet(uri, f, call_editor_safe) {

    87   // Is the editor open?

    88   if ( editor_open && !call_editor_safe )

    89   {

    90     // Make sure the user is willing to close the editor

    91     var conf = confirm($lang.get('editor_msg_confirm_ajax'));

    92     if ( !conf )

    93     {

    94       // Kill off any "loading" windows, etc. and cancel the request

    95       unsetAjaxLoading();

    96       return false;

    97     }

    98     // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation.

    99     editor_open = false;

   100     enableUnload();

   101   }

   102   ajax = ajaxMakeXHR();

   103   if ( !ajax )

   104   {

   105     console.error('ajaxMakeXHR() failed');

   106     return false;

   107   }

   108   ajax.onreadystatechange = f;

   109   ajax.open('GET', uri, true);

   110   ajax.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" );

   111   ajax.send(null);

   112 }

   113 

   114 function ajaxPost(uri, parms, f, call_editor_safe) {

   115   // Is the editor open?

   116   if ( editor_open && !call_editor_safe )

   117   {

   118     // Make sure the user is willing to close the editor

   119     var conf = confirm($lang.get('editor_msg_confirm_ajax'));

   120     if ( !conf )

   121     {

   122       // Kill off any "loading" windows, etc. and cancel the request

   123       unsetAjaxLoading();

   124       return false;

   125     }

   126     // The user allowed the editor to be closed. Reset flags and knock out the on-close confirmation.

   127     editor_open = false;

   128     enableUnload();

   129   }

   130   ajax = ajaxMakeXHR();

   131   if ( !ajax )

   132   {

   133     console.error('ajaxMakeXHR() failed');

   134     return false;

   135   }

   136   ajax.onreadystatechange = f;

   137   ajax.open('POST', uri, true);

   138   ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

   139   // Setting Content-length in Safari triggers a warning

   140   if ( !is_Safari )

   141   {

   142     ajax.setRequestHeader("Content-length", parms.length);

   143   }

   144   ajax.setRequestHeader("Connection", "close");

   145   ajax.send(parms);

   146 }

   147 

   148 /**

   149  * Show a friendly error message depicting an AJAX response that is not valid JSON

   150  * @param string Response text

   151  * @param string Custom error message. If omitted, the default will be shown.

   152  */

   153 

   154 function handle_invalid_json(response, customerror)

   155 {

   156   var mainwin = $dynano('ajaxEditContainer').object;

   157   mainwin.innerHTML = '';

   158   

   159   // Title

   160   var h3 = document.createElement('h3');

   161   h3.appendChild(document.createTextNode('The site encountered an error while processing your request.'));

   162   mainwin.appendChild(h3);

   163   

   164   if ( typeof(customerror) == 'string' )

   165   {

   166     var el = document.createElement('p');

   167     el.appendChild(document.createTextNode(customerror));

   168     mainwin.appendChild(el);

   169   }

   170   else

   171   {

   172     customerror  = 'We unexpectedly received the following response from the server. The response should have been in the JSON ';

   173     customerror += 'serialization format, but the response wasn\'t composed only of the JSON response. There are three possible triggers ';

   174     customerror += 'for this problem:';

   175     var el = document.createElement('p');

   176     el.appendChild(document.createTextNode(customerror));

   177     mainwin.appendChild(el);

   178     var ul = document.createElement('ul');

   179     var li1 = document.createElement('li');

   180     var li2 = document.createElement('li');

   181     var li3 = document.createElement('li');

   182     li1.appendChild(document.createTextNode('The server sent back a bad HTTP response code and thus sent an error page instead of running Enano. This indicates a possible problem with your server, and is not likely to be a bug with Enano.'));

   183     var osc_exception = ( window.location.hostname == 'demo.opensourcecms.com' ) ? ' This is KNOWN to be the case with the OpenSourceCMS.com demo version of Enano.' : '';

   184     li2.appendChild(document.createTextNode('The server sent back the expected JSON response, but also injected some code into the response that should not be there. Typically this consists of advertisement code. In this case, the administrator of this site will have to contact their web host to have advertisements disabled.' + osc_exception));

   185     li3.appendChild(document.createTextNode('It\'s possible that Enano triggered a PHP error or warning. In this case, you may be looking at a bug in Enano.'));

   186       

   187     ul.appendChild(li1);

   188     ul.appendChild(li2);

   189     ul.appendChild(li3);

   190     mainwin.appendChild(ul);

   191   }

   192   

   193   var p2 = document.createElement('p');

   194   p2.appendChild(document.createTextNode('The response received from the server is as follows:'));

   195   mainwin.appendChild(p2);

   196   

   197   var pre = document.createElement('pre');

   198   pre.appendChild(document.createTextNode(response));

   199   mainwin.appendChild(pre);

   200   

   201   var p3 = document.createElement('p');

   202   p3.appendChild(document.createTextNode('You may also choose to view the response as HTML. '));

   203   var a = document.createElement('a');

   204   a.appendChild(document.createTextNode('View as HTML...'));

   205   a._resp = response;

   206   a.id = 'invalidjson_link';

   207   a.onclick = function()

   208   {

   209     var mb = new MessageBox(MB_YESNO | MB_ICONEXCLAMATION, 'Do you really want to view this response as HTML?', 'If the response was changed during transmission to include malicious code, you may be allowing that malicious code to run by viewing the response as HTML. Only do this if you have reviewed the response text and have found no suspicious code in it.');

   210     mb.onclick['Yes'] = function()

   211     {

   212       var html = $dynano('invalidjson_link').object._resp;

   213       var win = window.open('about:blank', 'invalidjson_htmlwin', 'width=550,height=400,status=no,toolbars=no,toolbar=no,address=no,scroll=yes');

   214       win.document.write(html);

   215     }

   216     return false;

   217   }

   218   a.href = '#';

   219   p3.appendChild(a);

   220   mainwin.appendChild(p3);

   221 }

   222 

   223 function ajaxEscape(text)

   224 {

   225   /*

   226   text = escape(text);

   227   text = text.replace(/\+/g, '%2B', text);

   228   */

   229   text = window.encodeURIComponent(text);

   230   return text;

   231 }

   232 

   233 /**

   234  * String functions

   235  */

   236 

   237 // Equivalent to PHP trim() function

   238 function trim(text)

   239 {

   240   text = text.replace(/^([\s]+)/, '');

   241   text = text.replace(/([\s]+)$/, '');

   242   return text;

   243 }

   244 

   245 // Equivalent to PHP implode() function

   246 function implode(chr, arr)

   247 {

   248   if ( typeof ( arr.toJSONString ) == 'function' )

   249     delete(arr.toJSONString);

   250   

   251   var ret = '';

   252   var c = 0;

   253   for ( var i in arr )

   254   {

   255     if(i=='toJSONString')continue;

   256     if ( c > 0 )

   257       ret += chr;

   258     ret += arr[i];

   259     c++;

   260   }

   261   return ret;

   262 }

   263 

   264 function form_fetch_field(form, name)

   265 {

   266   var fields = form.getElementsByTagName('input');

   267   if ( fields.length < 1 )

   268     return false;

   269   for ( var i = 0; i < fields.length; i++ )

   270   {

   271     var field = fields[i];

   272     if ( field.name == name )

   273       return field;

   274   }

   275   return false;

   276 }

   277 

   278 function get_parent_form(o)

   279 {

   280   if ( !o.parentNode )

   281     return false;

   282   if ( o.tagName == 'FORM' )

   283     return o;

   284   var p = o.parentNode;

   285   while(true)

   286   {

   287     if ( p.tagName == 'FORM' )

   288       return p;

   289     else if ( !p )

   290       return false;

   291     else

   292       p = p.parentNode;

   293   }

   294 }

   295 

   296 function findParentForm(o)

   297 {

   298   return get_parent_form(o);

   299 }

   300 

   301 function domObjChangeOpac(opacity, id) {

   302     var object = id.style;

   303     object.opacity = (opacity / 100);

   304     object.MozOpacity = (opacity / 100);

   305     object.KhtmlOpacity = (opacity / 100);

   306     object.filter = "alpha(opacity=" + opacity + ")";

   307 }

   308 

   309 function getScrollOffset()

   310 {

   311   var position;

   312   if (self.pageYOffset)

   313   {

   314     position = self.pageYOffset;

   315   }

   316   else if (document.documentElement && document.documentElement.scrollTop)

   317   {

   318     position = document.documentElement.scrollTop;

   319   }

   320   else if (document.body)

   321   {

   322     position = document.body.scrollTop;

   323   }

   324   return position;

   325 }

   326 

   327 // Function to fade classes info-box, warning-box, error-box, etc.

   328 

   329 function fadeInfoBoxes()

   330 {

   331   var divs = new Array();

   332   d = document.getElementsByTagName('div');

   333   j = 0;

   334   for(var i in d)

   335   {

   336     if ( !d[i] )

   337       continue;

   338     if ( !d[i].tagName )

   339       continue;

   340     if(d[i].className=='info-box' || d[i].className=='error-box' || d[i].className=='warning-box' || d[i].className=='question-box')

   341     {

   342       divs[j] = d[i];

   343       j++;

   344     }

   345   }

   346   if(divs.length < 1) return;

   347   load_component('fat');

   348   for(i in divs)

   349   {

   350     if(!divs[i].id) divs[i].id = 'autofade_'+Math.floor(Math.random() * 100000);

   351     switch(divs[i].className)

   352     {

   353       case 'info-box':

   354       default:

   355         from = '#3333FF';

   356         break;

   357       case 'error-box':

   358         from = '#FF3333';

   359         break;

   360       case 'warning-box':

   361         from = '#FFFF33';

   362         break;

   363       case 'question-box':

   364         from = '#33FF33';

   365         break;

   366     }

   367     Fat.fade_element(divs[i].id,30,2000,from,Fat.get_bgcolor(divs[i].id));

   368   }

   369 }

   370 

   371 addOnloadHook(fadeInfoBoxes);

   372 

   373 // Alpha fades

   374 

   375 function opacity(id, opacStart, opacEnd, millisec)

   376 {

   377     var object = document.getElementById(id);

   378     domOpacity(object, opacStart, opacEnd, millisec);

   379 }

   380 

   381 var opacityDOMCache = new Object();

   382 function domOpacity(obj, opacStart, opacEnd, millisec) {

   383     //speed for each frame

   384     var speed = Math.round(millisec / 100);

   385     var timer = 0;

   386     

   387     // unique ID for this animation

   388     var uniqid = Math.floor(Math.random() * 1000000);

   389     opacityDOMCache[uniqid] = obj;

   390 

   391     //determine the direction for the blending, if start and end are the same nothing happens

   392     if(opacStart > opacEnd) {

   393         for(i = opacStart; i >= opacEnd; i--) {

   394             setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));

   395             timer++;

   396         }

   397     } else if(opacStart < opacEnd) {

   398         for(i = opacStart; i <= opacEnd; i++)

   399             {

   400             setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));

   401             timer++;

   402         }

   403     }

   404     setTimeout("delete(opacityDOMCache["+uniqid+"]);",(timer * speed));

   405 }

   406 

   407 // change the opacity for different browsers

   408 function changeOpac(opacity, id)

   409 {

   410   var object = document.getElementById(id);

   411   return domObjChangeOpac(opacity, object);

   412 }

   413 

   414 // draw a white ajax-ey "loading" box over an object

   415 function whiteOutElement(el)

   416 {

   417   var top = $(el).Top();

   418   var left = $(el).Left();

   419   var width = $(el).Width();

   420   var height = $(el).Height();

   421   

   422   var blackout = document.createElement('div');

   423   blackout.style.position = 'absolute';

   424   blackout.style.top = top + 'px';

   425   blackout.style.left = left + 'px';

   426   blackout.style.width = width + 'px';

   427   blackout.style.height = height + 'px';

   428   

   429   blackout.style.backgroundColor = '#FFFFFF';

   430   domObjChangeOpac(60, blackout);

   431   blackout.style.backgroundImage = 'url(' + scriptPath + '/includes/clientside/tinymce/themes/advanced/skins/default/img/progress.gif)';

   432   blackout.style.backgroundPosition = 'center center';

   433   blackout.style.backgroundRepeat = 'no-repeat';

   434   blackout.style.zIndex = getHighestZ() + 2;

   435   

   436   var body = document.getElementsByTagName('body')[0];

   437   body.appendChild(blackout);

   438   

   439   return blackout;

   440 }

   441 

   442 // other DHTML functions

   443 

   444 function fetch_offset(obj)

   445 {

   446   var left_offset = obj.offsetLeft;

   447   var top_offset = obj.offsetTop;

   448   while ((obj = obj.offsetParent) != null) {

   449     left_offset += obj.offsetLeft;

   450     top_offset += obj.offsetTop;

   451   }

   452   return { 'left' : left_offset, 'top' : top_offset };

   453 }

   454 

   455 function fetch_dimensions(o) {

   456   var w = o.offsetWidth;

   457   var h = o.offsetHeight;

   458   return { 'w' : w, 'h' : h };

   459 }

   460 

   461 function findParentForm(o)

   462 {

   463   if ( o.tagName == 'FORM' )

   464     return o;

   465   while(true)

   466   {

   467     o = o.parentNode;

   468     if ( !o )

   469       return false;

   470     if ( o.tagName == 'FORM' )

   471       return o;

   472   }

   473   return false;

   474 }

   475 

   476 function bannerOn(text)

   477 {

   478   darken(true);

   479   var thediv = document.createElement('div');

   480   thediv.className = 'mdg-comment';

   481   thediv.style.padding = '0';

   482   thediv.style.marginLeft = '0';

   483   thediv.style.position = 'absolute';

   484   thediv.style.display = 'none';

   485   thediv.style.padding = '4px';

   486   thediv.style.fontSize = '14pt';

   487   thediv.id = 'mdgDynamic_bannerDiv_'+Math.floor(Math.random() * 1000000);

   488   thediv.innerHTML = text;

   489   

   490   var body = document.getElementsByTagName('body');

   491   body = body[0];

   492   body.appendChild(thediv);

   493   body.style.cursor = 'wait';

   494   

   495   thediv.style.display = 'block';

   496   dim = fetch_dimensions(thediv);

   497   thediv.style.display = 'none';

   498   bdim = { 'w' : getWidth(), 'h' : getHeight() };

   499   so = getScrollOffset();

   500   

   501   var left = (bdim['w'] / 2) - ( dim['w'] / 2 );

   502   

   503   var top  = (bdim['h'] / 2);

   504   top  = top - ( dim['h'] / 2 );

   505   

   506   top = top + so;

   507   

   508   thediv.style.top  = top  + 'px';

   509   thediv.style.left = left + 'px';

   510   

   511   thediv.style.display = 'block';

   512   

   513   return thediv.id;

   514 }

   515 

   516 function bannerOff(id)

   517 {

   518   e = document.getElementById(id);

   519   if(!e) return;

   520   e.innerHTML = '';

   521   e.style.display = 'none';

   522   var body = document.getElementsByTagName('body');

   523   body = body[0];

   524   body.style.cursor = 'default';

   525   enlighten(true);

   526 }

   527 

   528 function disableUnload(message)

   529 {

   530   if(typeof message != 'string') message = 'You may want to save your changes first.';

   531   window._unloadmsg = message;

   532   window.onbeforeunload = function(e)

   533   {

   534     if ( !e )

   535       e = window.event;

   536     e.returnValue = window._unloadmsg;

   537   }

   538 }

   539 

   540 function enableUnload()

   541 {

   542   window._unloadmsg = null;

   543   window.onbeforeunload = null;

   544 }

   545 

   546 /**

   547  * Gets the highest z-index of all divs in the document

   548  * @return integer

   549  */

   550 function getHighestZ()

   551 {

   552   z = 0;

   553   var divs = document.getElementsByTagName('div');

   554   for(var i = 0; i < divs.length; i++)

   555   {

   556     if(divs[i].style.zIndex > z) z = divs[i].style.zIndex;

   557   }

   558   return z;

   559 }

   560 

   561 function isKeyPressed(event)

   562 {

   563   if (event.shiftKey==1)

   564   {

   565     shift = true;

   566   }

   567   else

   568   {

   569     shift = false;

   570   }

   571 }

   572 

   573 function moveDiv(div, newparent)

   574 {

   575   var backup = div;

   576   var oldparent = div.parentNode;

   577   oldparent.removeChild(div);

   578   newparent.appendChild(backup);

   579 }

   580 

   581 var busyBannerID;

   582 function goBusy(msg)

   583 {

   584   if(!msg) msg = 'Please wait...';

   585   body = document.getElementsByTagName('body');

   586   body = body[0];

   587   body.style.cursor = 'wait';

   588   busyBannerID = bannerOn(msg);

   589 }

   590 

   591 function unBusy()

   592 {

   593   body = document.getElementsByTagName('body');

   594   body = body[0];

   595   body.style.cursor = 'default';

   596   bannerOff(busyBannerID);

   597 }

   598 

   599 function setAjaxLoading()

   600 {

   601   if ( document.getElementById('ajaxloadicon') )

   602   {

   603     document.getElementById('ajaxloadicon').src=ajax_load_icon;

   604   }

   605 }

   606 

   607 function unsetAjaxLoading()

   608 {

   609   if ( document.getElementById('ajaxloadicon') )

   610   {

   611     document.getElementById('ajaxloadicon').src=scriptPath + '/images/spacer.gif';

   612   }

   613 }

   614 

   615 function readCookie(name) {var nameEQ = name + "=";var ca = document.cookie.split(';');for(var i=0;i < ca.length;i++){var c = ca[i];while (c.charAt(0)==' ') c = c.substring(1,c.length);if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);}return null;}

   616 function createCookie(name,value,days){if (days){var date = new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires = "; expires="+date.toGMTString();}else var expires = "";document.cookie = name+"="+value+expires+"; path=/";}

   617 function eraseCookie(name) {createCookie(name,"",-1);}

   618 

   619 /*

   620  * AJAX login box (experimental)

   621  * Moved / rewritten in login.js

   622  */

   623 

   624 // Included only for API-compatibility

   625 function ajaxPromptAdminAuth(call_on_ok, level)

   626 {

   627   ajaxLogonInit(call_on_ok, level);

   628 }

   629 

   630 /**

   631  * Insert a DOM object _after_ the specified child.

   632  * @param object Parent node

   633  * @param object Node to insert

   634  * @param object Node to insert after

   635  */

   636 

   637 function insertAfter(parent, baby, bigsister)

   638 {

   639   try

   640   {

   641     if ( parent.childNodes[parent.childNodes.length-1] == bigsister )

   642       parent.appendChild(baby);

   643     else

   644       parent.insertBefore(baby, bigsister.nextSibling);

   645   }

   646   catch(e)

   647   {

   648     alert(e.toString());

   649     if ( window.console )

   650     {

   651       // Firebug support

   652       window.console.warn(e);

   653     }

   654   }

   655 }

   656 

   657 /**

   658  * Validates an e-mail address.

   659  * @param string E-mail address

   660  * @return bool

   661  */

   662 

   663 function validateEmail(email)

   664 {

   665   return ( email.match(/^(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*@[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*|(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037]*(?:(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037]*)*<[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:@[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*(?:,[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*@[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*)*:[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)?(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|"[^\\\x80-\xff\n\015"]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015"]*)*")[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*@[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:\.[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\x80-\xff\n\015\[\]]|\\[^\x80-\xff])*\])[\040\t]*(?:\([^\\\x80-\xff\n\015()]*(?:(?:\\[^\x80-\xff]|\([^\\\x80-\xff\n\015()]*(?:\\[^\x80-\xff][^\\\x80-\xff\n\015()]*)*\))[^\\\x80-\xff\n\015()]*)*\)[\040\t]*)*)*>)$/) ) ? true : false;

   666 }

   667 

   668 /**

   669  * Validates a username.

   670  * @param string Username to test

   671  * @return bool

   672  */

   673 

   674 function validateUsername(username)

   675 {

   676   var regex = new RegExp('^[^<>&\?\'"%\n\r/]+$', '');

   677   return ( username.match(regex) ) ? true : false;

   678 }

   679 

   680 /*

   681  * Utility functions, moved from windows.js

   682  */

   683 

   684 function getHeight() {

   685   var myHeight = 0;

   686   if( typeof( window.innerWidth ) == 'number' ) {

   687     myHeight = window.innerHeight;

   688   } else if( document.documentElement &&

   689       ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {

   690     myHeight = document.documentElement.clientHeight;

   691   } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {

   692     myHeight = document.body.clientHeight;

   693   }

   694   return myHeight;

   695 }

   696 

   697 function getWidth() {

   698   var myWidth = 0;

   699   if( typeof( window.innerWidth ) == 'number' ) {

   700     myWidth = window.innerWidth;

   701   } else if( document.documentElement &&

   702       ( document.documentElement.clientWidth || document.documentElement.clientWidth ) ) {

   703     myWidth = document.documentElement.clientWidth;

   704   } else if( document.body && ( document.body.clientWidth || document.body.clientWidth ) ) {

   705     myWidth = document.body.clientWidth;

   706   }

   707   return myWidth;

   708 }

   709 

   710 /**

   711  * Sanitizes a page URL string so that it can safely be stored in the database.

   712  * @param string Page ID to sanitize

   713  * @return string Cleaned text

   714  */

   715 

   716 function sanitize_page_id(page_id)

   717 {

   718   // Remove character escapes

   719   page_id = dirtify_page_id(page_id);

   720 

   721   var regex = new RegExp('[A-Za-z0-9\\[\\]\./:;\(\)@_-]', 'g');

   722   pid_clean = page_id.replace(regex, 'X');

   723   var pid_dirty = [];

   724   for ( var i = 0; i < pid_clean.length; i++ )

   725     pid_dirty[i] = pid_clean.substr(i, 1);

   726 

   727   for ( var i = 0; i < pid_dirty.length; i++ )

   728   {

   729     var chr = pid_dirty[i];

   730     if ( chr == 'X' )

   731       continue;

   732     var cid = chr.charCodeAt(0);

   733     cid = cid.toString(16).toUpperCase();

   734     if ( cid.length < 2 )

   735     {

   736       cid = '0' + cid;

   737     }

   738     pid_dirty[i] = "." + cid;

   739   }

   740   

   741   var pid_chars = [];

   742   for ( var i = 0; i < page_id.length; i++ )

   743     pid_chars[i] = page_id.substr(i, 1);

   744   

   745   var page_id_cleaned = '';

   746 

   747   for ( var id in pid_chars )

   748   {

   749     var chr = pid_chars[id];

   750     if ( pid_dirty[id] == 'X' )

   751       page_id_cleaned += chr;

   752     else

   753       page_id_cleaned += pid_dirty[id];

   754   }

   755   

   756   return page_id_cleaned;

   757 }

   758 

   759 /**

   760  * Removes character escapes in a page ID string

   761  * @param string Page ID string to dirty up

   762  * @return string

   763  */

   764 

   765 function dirtify_page_id(page_id)

   766 {

   767   // First, replace spaces with underscores

   768   page_id = page_id.replace(/ /g, '_');

   769 

   770   var matches = page_id.match(/\.[A-Fa-f0-9][A-Fa-f0-9]/g);

   771   

   772   if ( matches != null )

   773   {

   774     for ( var i = 0; i < matches.length; i++ )

   775     {

   776       var match = matches[i];

   777       var byt = (match.substr(1)).toUpperCase();

   778       var code = eval("0x" + byt);

   779       var regex = new RegExp('\\.' + byt, 'g');

   780       page_id = page_id.replace(regex, String.fromCharCode(code));

   781     }

   782   }

   783   

   784   return page_id;

   785 }

   786 

   787 /**

   788  * Equivalent to PHP's in_array function.

   789  */

   790 

   791 function in_array(needle, haystack)

   792 {

   793   for(var i in haystack)

   794   {

   795     if(haystack[i] == needle) return i;

   796   }

   797   return false;

   798 }