1 // Some additional DHTML functions

     2 

     3 function fetch_offset(obj) {

     4   var left_offset = obj.offsetLeft;

     5   var top_offset = obj.offsetTop;

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

     7     left_offset += obj.offsetLeft;

     8     top_offset += obj.offsetTop;

     9   }

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

    11 }

    12 

    13 function fetch_dimensions(o) {

    14   var w = o.offsetWidth;

    15   var h = o.offsetHeight;

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

    17 }

    18 

    19 function findParentForm(o)

    20 {

    21   // Not implemented - someone please let me know how to do this, what I need to do is

    22   // find the first parent <form> tag above param 'o', not sure how to do it with DOM

    23 }

    24 

    25 function ajaxReverseDNS(o, text)

    26 {

    27   if(text) var ipaddr = text;

    28   else var ipaddr = o.innerHTML;

    29   rDnsObj = o;

    30   rDnsBannerObj = bannerOn('Retrieving reverse DNS info...');

    31   ajaxGet(stdAjaxPrefix+'&_mode=rdns&ip='+ipaddr, function() {

    32       if(ajax.readyState == 4)

    33       {

    34         off = fetch_offset(rDnsObj);

    35         dim = fetch_dimensions(rDnsObj);

    36         right = off['left'] + dim['w'];

    37         top = off['top'] + dim['h'];

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

    39         thediv.className = 'info-box';

    40         thediv.style.margin = '0';

    41         thediv.style.position = 'absolute';

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

    43         thediv.style.display = 'none';

    44         thediv.style.zIndex = getHighestZ() + 2;

    45         thediv.id = 'mdgDynamic_rDnsInfoDiv_'+Math.floor(Math.random() * 1000000);

    46         thediv.innerHTML = '<b>Reverse DNS:</b><br />'+ajax.responseText+' <a href="#" onclick="elem = document.getElementById(\''+thediv.id+'\'); elem.innerHTML = \'\'; elem.style.display = \'none\';return false;">Close</a>';

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

    48         body = body[0];

    49         bannerOff(rDnsBannerObj);

    50         body.appendChild(thediv);

    51         thediv.style.display = 'block';

    52         left = fetch_dimensions(thediv);

    53         thediv.style.display = 'none';

    54         left = right - left['w'];

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

    56         thediv.style.display = 'block';

    57         fadeInfoBoxes();

    58       }

    59     });

    60 }

    61 

    62 function bannerOn(text)

    63 {

    64   darken(true);

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

    66   thediv.className = 'mdg-comment';

    67   thediv.style.padding = '0';

    68   thediv.style.marginLeft = '0';

    69   thediv.style.position = 'absolute';

    70   thediv.style.display = 'none';

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

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

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

    74   thediv.innerHTML = text;

    75   

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

    77   body = body[0];

    78   body.appendChild(thediv);

    79   body.style.cursor = 'wait';

    80   

    81   thediv.style.display = 'block';

    82   dim = fetch_dimensions(thediv);

    83   thediv.style.display = 'none';

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

    85   so = getScrollOffset();

    86   

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

    88   top  = (bdim['h'] / 2) - ( dim['h'] / 2 ) + so;

    89   

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

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

    92   

    93   thediv.style.display = 'block';

    94   

    95   return thediv.id;

    96 }

    97 

    98 function bannerOff(id)

    99 {

   100   e = document.getElementById(id);

   101   if(!e) return;

   102   e.innerHTML = '';

   103   e.style.display = 'none';

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

   105   body = body[0];

   106   body.style.cursor = 'default';

   107   enlighten(true);

   108 }

   109 

   110 function disableUnload(message)

   111 {

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

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

   114   body = body[0];

   115   body.onbeforeunload='return unescape(\''+escape(message)+'\')';

   116 }

   117 

   118 function enableUnload()

   119 {

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

   121   body = body[0];

   122   body.onbeforeunload = null;

   123 }

   124 

   125 /**

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

   127  * @return integer

   128  */

   129 function getHighestZ()

   130 {

   131   z = 0;

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

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

   134   {

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

   136   }

   137   return z;

   138 }

   139 

   140 function isKeyPressed(event)

   141 {

   142   if (event.shiftKey==1)

   143   {

   144     shift = true;

   145   }

   146   else

   147   {

   148     shift = false;

   149   }

   150 }

   151 

   152 function moveDiv(div, newparent)

   153 {

   154   var backup = div;

   155   var oldparent = div.parentNode;

   156   oldparent.removeChild(div);

   157   newparent.appendChild(backup);

   158 }

   159 

   160 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;}

   161 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=/";}

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

   163 

   164 var busyBannerID;

   165 function goBusy(msg)

   166 {

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

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

   169   body = body[0];

   170   body.style.cursor = 'wait';

   171   busyBannerID = bannerOn(msg);

   172 }

   173 

   174 function unBusy()

   175 {

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

   177   body = body[0];

   178   body.style.cursor = 'default';

   179   bannerOff(busyBannerID);

   180 }

   181 

   182 function setAjaxLoading()

   183 {

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

   185   {

   186     document.getElementById('ajaxloadicon').src=scriptPath + '/images/loading.gif';

   187   }

   188 }

   189 

   190 function unsetAjaxLoading()

   191 {

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

   193   {

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

   195   }

   196 }

   197 

   198 /*

   199  * Search boxes

   200  */

   201  

   202 function buildSearchBoxes()

   203 {

   204   var divs = document.getElementsByTagName('*');

   205   var boxes = new Array();

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

   207   {

   208     if ( divs[i].className)

   209     {

   210       if ( divs[i].className.substr(0, 9) == 'searchbox' )

   211       {

   212         boxes.push(divs[i]);

   213       }

   214     }

   215   }

   216   for ( var i = 0; i < boxes.length; i++ )

   217   {

   218     if ( boxes[i].className.match(/^searchbox\[([0-9]+)px\]$/) )

   219     {

   220       var width = boxes[i].className.match(/^searchbox\[([0-9]+)px\]$/);

   221       width = parseInt(width[1]);

   222     }

   223     else

   224     {

   225       var width = 120;

   226     }

   227     createSearchBox(boxes[i], width);

   228   }

   229 }

   230 

   231 function createSearchBox(parent, width)

   232 {

   233   if ( typeof(parent) != 'object')

   234   {

   235     alert('BUG: createSearchBox(): parent is not an object');

   236     return false;

   237   }

   238   //parent.style.padding = '0px';

   239   //parent.style.textAlign = 'center';

   240   parent.style.width = width + 'px';

   241   var submit = document.createElement('div');

   242   submit.onclick = function() { searchFormSubmit(this); };

   243   submit.className = 'js-search-submit';

   244   var input = document.createElement('input');

   245   input.className = 'js-search-box';

   246   input.value = 'Search';

   247   input.name = 'q';

   248   input.style.width = ( width - 28 ) + 'px';

   249   input.onfocus = function() { if ( this.value == 'Search' ) this.value = ''; };

   250   input.onblur  = function() { if ( this.value == '' ) this.value = 'Search'; };

   251   parent.appendChild(input);

   252   var off = fetch_offset(input);

   253   var top = off['top'] + 'px';

   254   var left = ( parseInt(off['left']) + ( width - 24 ) ) + 'px';

   255   submit.style.top = top;

   256   submit.style.left = left;

   257   parent.appendChild(submit);

   258 }

   259 

   260 function searchFormSubmit(obj)

   261 {

   262   var input = obj.previousSibling;

   263   if ( input.value == 'Search' || input.value == '' )

   264     return false;

   265   var p = obj;

   266   while(true)

   267   {

   268     p = p.parentNode;

   269     if ( !p )

   270       break;

   271     if ( typeof(p.tagName) != 'string' )

   272       break;

   273     else if ( p.tagName.toLowerCase() == 'form' )

   274     {

   275       p.submit();

   276     }

   277     else if ( p.tagName.toLowerCase() == 'body' )

   278     {

   279       break;

   280     }

   281   }

   282 }

   283 

   284 /*

   285  * AJAX login box (experimental)

   286  */

   287 

   288 var ajax_auth_prompt_cache = false;

   289 var ajax_auth_mb_cache = false;

   290 var ajax_auth_level_cache = false;

   291 

   292 function ajaxPromptAdminAuth(call_on_ok, level)

   293 {

   294   if ( typeof(call_on_ok) == 'function' )

   295   {

   296     ajax_auth_prompt_cache = call_on_ok;

   297   }

   298   if ( !level )

   299     level = 2;

   300   ajax_auth_level_cache = level;

   301   var loading_win = '<div align="center" style="text-align: center;"> \

   302       <p>Fetching an encryption key...</p> \

   303       <p><small>Not working? Use the <a href="'+makeUrlNS('Special', 'Login/' + title)+'">alternate login form</a>.</p> \

   304       <p><img alt="Please wait..." src="'+scriptPath+'/images/loading-big.gif" /></p> \

   305     </div>';

   306   ajax_auth_mb_cache = new messagebox(MB_OKCANCEL|MB_ICONLOCK, 'Please enter your username and password to continue.', loading_win);

   307   ajax_auth_mb_cache.onbeforeclick['OK'] = ajaxValidateLogin;

   308   ajaxAuthLoginInnerSetup();

   309 }

   310 

   311 function ajaxAuthLoginInnerSetup()

   312 {

   313   ajaxGet(makeUrlNS('Special', 'Login', 'act=getkey'), function() {

   314       if ( ajax.readyState == 4 )

   315       {

   316         var response = ajax.responseText;

   317         if ( response.substr(0,1) != '{' )

   318         {

   319           alert('Invalid JSON response from server: ' + response);

   320           return false;

   321         }

   322         response = parseJSON(response);

   323         var form_html = ' \

   324           <table border="0" align="center"> \

   325             <tr> \

   326               <td>Username:</td><td><input tabindex="1" id="ajaxlogin_user" type="text"     size="25" /> \

   327             </tr> \

   328             <tr> \

   329               <td>Password:</td><td><input tabindex="2" id="ajaxlogin_pass" type="password" size="25" /> \

   330             </tr> \

   331             <tr> \

   332               <td colspan="2" style="text-align: center;"> \

   333                 <br /><small>Trouble logging in? Try the <a href="'+makeUrlNS('Special', 'Login/' + title)+'">full login form</a>.<br /> \

   334                 Did you <a href="'+makeUrlNS('Special', 'PasswordReset')+'">forget your password</a>?<br /> \

   335                 Maybe you need to <a href="'+makeUrlNS('Special', 'Register')+'">create an account</a>.</small> \

   336               </td> \

   337             </tr> \

   338           </table> \

   339           <input type="hidden" id="ajaxlogin_crypt_key"       value="' + response.key + '" /> \

   340           <input type="hidden" id="ajaxlogin_crypt_challenge" value="' + response.challenge + '" /> \

   341         </form>';

   342         ajax_auth_mb_cache.updateContent(form_html);

   343         $('messageBox').object.nextSibling.firstChild.tabindex = '3';

   344         $('ajaxlogin_user').object.focus();

   345         $('ajaxlogin_pass').object.onblur = function() { $('messageBox').object.nextSibling.firstChild.focus(); };

   346       }

   347     });

   348 }

   349 

   350 function ajaxValidateLogin()

   351 {

   352   var username,password,auth_enabled,crypt_key,crypt_data,challenge_salt,challenge_data;

   353   username = document.getElementById('ajaxlogin_user');

   354   if ( !username )

   355     return false;

   356   username = document.getElementById('ajaxlogin_user').value;

   357   password = document.getElementById('ajaxlogin_pass').value;

   358   auth_enabled = false;

   359   

   360   disableJSONExts();

   361   

   362   //

   363   // Encryption test

   364   //

   365   

   366   var str = '';

   367   for(i=0;i<keySizeInBits/4;i++)

   368   {

   369     str+='0';

   370   }

   371   str = hexToByteArray(str);

   372   var ct  = rijndaelEncrypt(str, str, 'ECB');

   373   ct      = byteArrayToHex(ct);

   374   var v;

   375   switch(keySizeInBits)

   376   {

   377     case 128:

   378       v = '66e94bd4ef8a2c3b884cfa59ca342b2e';

   379       break;

   380     case 192:

   381       v = 'aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7';

   382       break;

   383     case 256:

   384       v = 'dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087';

   385       break;

   386   }

   387   auth_enabled = ( ct == v && md5_vm_test() );

   388   if ( !auth_enabled )

   389   {

   390     alert('Login error: encryption sanity check failed\n');

   391     return true;

   392   }

   393   

   394   crypt_key = document.getElementById('ajaxlogin_crypt_key').value;

   395   challenge_salt = document.getElementById('ajaxlogin_crypt_challenge').value;

   396   

   397   var crypt_key_md5 = hex_md5(crypt_key);

   398   

   399   challenge_data = hex_md5(password + challenge_salt) + challenge_salt;

   400   

   401   password = stringToByteArray(password);

   402   crypt_key = hexToByteArray(crypt_key);

   403   

   404   crypt_data = rijndaelEncrypt(password, crypt_key, 'ECB');

   405   crypt_data = byteArrayToHex(crypt_data);

   406   

   407   var json_data = {

   408     'username' : username,

   409     'crypt_key' : crypt_key_md5,

   410     'challenge' : challenge_data,

   411     'crypt_data' : crypt_data,

   412     'level' : ajax_auth_level_cache

   413   };

   414   

   415   json_data = toJSONString(json_data);

   416   json_data = ajaxEscape(json_data);

   417   

   418   var loading_win = '<div align="center" style="text-align: center;"> \

   419       <p>Logging in...</p> \

   420       <p><img alt="Please wait..." src="'+scriptPath+'/images/loading-big.gif" /></p> \

   421     </div>';

   422     

   423   ajax_auth_mb_cache.updateContent(loading_win);

   424   

   425   ajaxPost(makeUrlNS('Special', 'Login', 'act=ajaxlogin'), 'params=' + json_data, function() {

   426       if ( ajax.readyState == 4 )

   427       {

   428         var response = ajax.responseText;

   429         if ( response.substr(0,1) != '{' )

   430         {

   431           alert('Invalid JSON response from server: ' + response);

   432           ajaxAuthLoginInnerSetup();

   433           return false;

   434         }

   435         response = parseJSON(response);

   436         switch(response.result)

   437         {

   438           case 'success':

   439             if ( typeof(ajax_auth_prompt_cache) == 'function' )

   440             {

   441               ajax_auth_prompt_cache(response.key);

   442             }

   443             break;

   444           case 'error':

   445             alert(response.error);

   446             ajaxAuthLoginInnerSetup();

   447             break;

   448           default:

   449             alert(ajax.responseText);

   450             break;

   451         }

   452       }

   453     });

   454   

   455   return true;

   456   

   457 }

   458 

   459 // This code is in the public domain. Feel free to link back to http://jan.moesen.nu/

   460 function sprintf()

   461 {

   462   if (!arguments || arguments.length < 1 || !RegExp)

   463   {

   464     return;

   465   }

   466   var str = arguments[0];

   467   var re = /([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X)(.*)/;

   468   var a = b = [], numSubstitutions = 0, numMatches = 0;

   469   while (a = re.exec(str))

   470   {

   471     var leftpart = a[1], pPad = a[2], pJustify = a[3], pMinLength = a[4];

   472     var pPrecision = a[5], pType = a[6], rightPart = a[7];

   473     

   474     //alert(a + '\n' + [a[0], leftpart, pPad, pJustify, pMinLength, pPrecision);

   475 

   476     numMatches++;

   477     if (pType == '%')

   478     {

   479       subst = '%';

   480     }

   481     else

   482     {

   483       numSubstitutions++;

   484       if (numSubstitutions >= arguments.length)

   485       {

   486         alert('Error! Not enough function arguments (' + (arguments.length - 1) + ', excluding the string)\nfor the number of substitution parameters in string (' + numSubstitutions + ' so far).');

   487       }

   488       var param = arguments[numSubstitutions];

   489       var pad = '';

   490              if (pPad && pPad.substr(0,1) == "'") pad = leftpart.substr(1,1);

   491         else if (pPad) pad = pPad;

   492       var justifyRight = true;

   493              if (pJustify && pJustify === "-") justifyRight = false;

   494       var minLength = -1;

   495              if (pMinLength) minLength = parseInt(pMinLength);

   496       var precision = -1;

   497              if (pPrecision && pType == 'f') precision = parseInt(pPrecision.substring(1));

   498       var subst = param;

   499              if (pType == 'b') subst = parseInt(param).toString(2);

   500         else if (pType == 'c') subst = String.fromCharCode(parseInt(param));

   501         else if (pType == 'd') subst = parseInt(param) ? parseInt(param) : 0;

   502         else if (pType == 'u') subst = Math.abs(param);

   503         else if (pType == 'f') subst = (precision > -1) ? Math.round(parseFloat(param) * Math.pow(10, precision)) / Math.pow(10, precision): parseFloat(param);

   504         else if (pType == 'o') subst = parseInt(param).toString(8);

   505         else if (pType == 's') subst = param;

   506         else if (pType == 'x') subst = ('' + parseInt(param).toString(16)).toLowerCase();

   507         else if (pType == 'X') subst = ('' + parseInt(param).toString(16)).toUpperCase();

   508     }

   509     str = leftpart + subst + rightPart;

   510   }

   511   return str;

   512 }

   513 

   514 function paginator_goto(parentobj, this_page, num_pages, perpage, url_string)

   515 {

   516   var height = $(parentobj).Height();

   517   var width  = $(parentobj).Width();

   518   var left   = $(parentobj).Left();

   519   var top    = $(parentobj).Top();

   520   var left_pos = left + width ;

   521   var top_pos = height + top;

   522   var div = document.createElement('div');

   523   div.style.position = 'absolute';

   524   div.style.top = top_pos + 'px';

   525   div.className = 'question-box';

   526   div.style.margin = '1px 0 0 2px';

   527   var vtmp = 'input_' + Math.floor(Math.random() * 1000000);

   528   div.innerHTML = 'Go to page:<br /><input type="text" size="2" style="padding: 1px; font-size: 8pt;" value="'+(parseInt(this_page)+1)+'" id="'+vtmp+'" />&emsp;<a href="#" onclick="paginator_submit(this, '+num_pages+', '+perpage+', unescape(\'' + escape(url_string) + '\')); return false;" style="font-size: 14pt; text-decoration: none;">&raquo;</a>&emsp;<a href="#" onclick="fly_out_top(this.parentNode, false, true); return false;" style="font-size: 14pt; text-decoration: none;">&times;</a>';

   529   

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

   531   body.appendChild(div);

   532   

   533   document.getElementById(vtmp).onkeypress = function(e){if(e.keyCode==13)this.nextSibling.nextSibling.onclick();};

   534   document.getElementById(vtmp).focus();

   535   

   536   // fade the div

   537   /*

   538   if(!div.id) div.id = 'autofade_'+Math.floor(Math.random() * 100000);

   539   var from = '#33FF33';

   540   Fat.fade_element(div.id,30,2000,from,Fat.get_bgcolor(div.id));

   541   */

   542   fly_in_bottom(div, false, true);

   543   

   544   var divh = $(div).Width();

   545   left_pos = left_pos - divh;

   546   div.style.left = left_pos + 'px';

   547 }

   548 

   549 function paginator_submit(obj, max, perpage, formatstring)

   550 {

   551   var userinput = obj.previousSibling.previousSibling.value;

   552   userinput = parseInt(userinput);

   553   var offset = ( userinput - 1 ) * perpage;

   554   if ( userinput > max || isNaN(userinput) || userinput < 1 )

   555   {

   556     new messagebox(MB_OK|MB_ICONSTOP, 'Invalid entry', 'Please enter a page number between 1 and ' + max + '.');

   557     return false;

   558   }

   559   var url = sprintf(formatstring, String(offset));

   560   fly_out_top(obj.parentNode, false, true);

   561   window.location = url;

   562 }

   563