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7; 8/** 9 * For jQuery versions less than 3.4.0, this replaces the jQuery.extend 10 * function with the one from jQuery 3.4.0, slightly modified (documented 11 * below) to be compatible with older jQuery versions and browsers. 12 * 13 * This provides the Object.prototype pollution vulnerability fix to Drupal 14 * installations running older jQuery versions, including the versions shipped 15 * with Drupal core and https://www.drupal.org/project/jquery_update. 16 * 17 * @see https://github.com/jquery/jquery/pull/4333 18 */ 19 20(function (jQuery) { 21 22// Do not override jQuery.extend() if the jQuery version is already >=3.4.0. 23var versionParts = jQuery.fn.jquery.split('.'); 24var majorVersion = parseInt(versionParts[0]); 25var minorVersion = parseInt(versionParts[1]); 26var patchVersion = parseInt(versionParts[2]); 27var isPreReleaseVersion = (patchVersion.toString() !== versionParts[2]); 28if ( 29 (majorVersion > 3) || 30 (majorVersion === 3 && minorVersion > 4) || 31 (majorVersion === 3 && minorVersion === 4 && patchVersion > 0) || 32 (majorVersion === 3 && minorVersion === 4 && patchVersion === 0 && !isPreReleaseVersion) 33) { 34 return; 35} 36 37/** 38 * This is almost verbatim copied from jQuery 3.4.0. 39 * 40 * Only two minor changes have been made: 41 * - The call to isFunction() is changed to jQuery.isFunction(). 42 * - The two calls to Array.isArray() is changed to jQuery.isArray(). 43 * 44 * The above two changes ensure compatibility with all older jQuery versions 45 * (1.4.4 - 3.3.1) and older browser versions (e.g., IE8). 46 */ 47jQuery.extend = jQuery.fn.extend = function() { 48 var options, name, src, copy, copyIsArray, clone, 49 target = arguments[ 0 ] || {}, 50 i = 1, 51 length = arguments.length, 52 deep = false; 53 54 // Handle a deep copy situation 55 if ( typeof target === "boolean" ) { 56 deep = target; 57 58 // Skip the boolean and the target 59 target = arguments[ i ] || {}; 60 i++; 61 } 62 63 // Handle case when target is a string or something (possible in deep copy) 64 if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { 65 target = {}; 66 } 67 68 // Extend jQuery itself if only one argument is passed 69 if ( i === length ) { 70 target = this; 71 i--; 72 } 73 74 for ( ; i < length; i++ ) { 75 76 // Only deal with non-null/undefined values 77 if ( ( options = arguments[ i ] ) != null ) { 78 79 // Extend the base object 80 for ( name in options ) { 81 copy = options[ name ]; 82 83 // Prevent Object.prototype pollution 84 // Prevent never-ending loop 85 if ( name === "__proto__" || target === copy ) { 86 continue; 87 } 88 89 // Recurse if we're merging plain objects or arrays 90 if ( deep && copy && ( jQuery.isPlainObject( copy ) || 91 ( copyIsArray = jQuery.isArray( copy ) ) ) ) { 92 src = target[ name ]; 93 94 // Ensure proper type for the source value 95 if ( copyIsArray && !jQuery.isArray( src ) ) { 96 clone = []; 97 } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { 98 clone = {}; 99 } else { 100 clone = src; 101 } 102 copyIsArray = false; 103 104 // Never move original objects, clone them 105 target[ name ] = jQuery.extend( deep, clone, copy ); 106 107 // Don't bring in undefined values 108 } else if ( copy !== undefined ) { 109 target[ name ] = copy; 110 } 111 } 112 } 113 } 114 115 // Return the modified object 116 return target; 117}; 118 119})(jQuery); 120; 121/** 122 * For jQuery versions less than 3.5.0, this replaces the jQuery.htmlPrefilter() 123 * function with one that fixes these security vulnerabilities while also 124 * retaining the pre-3.5.0 behavior where it's safe to do so. 125 * - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11022 126 * - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11023 127 * 128 * Additionally, for jQuery versions that do not have a jQuery.htmlPrefilter() 129 * function (1.x prior to 1.12 and 2.x prior to 2.2), this adds it, and 130 * extends the functions that need to call it to do so. 131 * 132 * Drupal core's jQuery version is 1.4.4, but jQuery Update can provide a 133 * different version, so this covers all versions between 1.4.4 and 3.4.1. 134 * The GitHub links in the code comments below link to jQuery 1.5 code, be
134cause 135 * 1.4.4 isn't on GitHub, but the referenced code didn't change from 1.4.4 to 136 * 1.5. 137 */ 138 139(function (jQuery) { 140 141 // Parts of this backport differ by jQuery version. 142 var versionParts = jQuery.fn.jquery.split('.'); 143 var majorVersion = parseInt(versionParts[0]); 144 var minorVersion = parseInt(versionParts[1]); 145 146 // No backport is needed if we're already on jQuery 3.5 or higher. 147 if ( (majorVersion > 3) || (majorVersion === 3 && minorVersion >= 5) ) { 148 return; 149 } 150 151 // Prior to jQuery 3.5, jQuery converted XHTML-style self-closing tags to 152 // their XML equivalent: e.g., "<div />" to "<div></div>". This is 153 // problematic for several reasons, including that it's vulnerable to XSS 154 // attacks. However, since this was jQuery's behavior for many years, many 155 // Drupal modules and jQuery plugins may be relying on it. Therefore, we 156 // preserve that behavior, but for a limited set of tags only, that we believe 157 // to not be vulnerable. This is the set of HTML tags that satisfy all of the 158 // following conditions: 159 // - In DOMPurify's list of HTML tags. If an HTML tag isn't safe enough to 160 // appear in that list, then we don't want to mess with it here either. 161 // @see https://github.com/cure53/DOMPurify/blob/2.0.11/dist/purify.js#L128 162 // - A normal element (not a void, template, text, or foreign element). 163 // @see https://html.spec.whatwg.org/multipage/syntax.html#elements-2 164 // - An element that is still defined by the current HTML specification 165 // (not a deprecated element), because we do not want to rely on how 166 // browsers parse deprecated elements. 167 // @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element 168 // - Not 'html', 'head', or 'body', because this pseudo-XHTML expansion is 169 // designed for fragments, not entire documents. 170 // - Not 'colgroup', because due to an idiosyncrasy of jQuery's original 171 // regular expression, it didn't match on colgroup, and we don't want to 172 // introduce a behavior change for that. 173 var selfClosingTagsToReplace = [ 174 'a', 'abbr', 'address', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 175 'blockquote', 'button', 'canvas', 'caption', 'cite', 'code', 'data', 176 'datalist', 'dd', 'del', 'details', 'dfn', 'div', 'dl', 'dt', 'em', 177 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 178 'h4', 'h5', 'h6', 'header', 'hgroup', 'i', 'ins', 'kbd', 'label', 'legend', 179 'li', 'main', 'map', 'mark', 'menu', 'meter', 'nav', 'ol', 'optgroup', 180 'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt', 181 'ruby', 's', 'samp', 'section', 'select', 'small', 'source', 'span', 182 'strong', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 183 'thead', 'time', 'tr', 'u', 'ul', 'var', 'video' 184 ]; 185 186 // Define regular expressions for <TAG/> and <TAG ATTRIBUTES/>. Doing this as 187 // two expressions makes it easier to target <a/> without also targeting 188 // every tag that starts with "a". 189 var xhtmlRegExpGroup = '(' + selfClosingTagsToReplace.join('|') + ')'; 190 var whitespace = '[\\x20\\t\\r\\n\\f]'; 191 var rxhtmlTagWithoutSpaceOrAttributes = new RegExp('<' + xhtmlRegExpGroup + '\\/>', 'gi'); 192 var rxhtmlTagWithSpaceAndMaybeAttributes = new RegExp('<' + xhtmlRegExpGroup + '(' + whitespace + '[^>]*)\\/>', 'gi'); 193 194 // jQuery 3.5 also fixed a vulnerability for when </select> appears within 195 // an <option> or <optgroup>, but it did that in local code that we can't 196 // backport directly. Instead, we filter such cases out. To do so, we need to 197 // determine when jQuery would otherwise invoke the vulnerable code, which it 198 // uses this regular expression to determine. The regular expression changed 199 // for version 3.0.0 and changed again for 3.4.0. 200 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4958 201 // @see https://github.com/jquery/jquery/blob/3.0.0/dist/jquery.js#L4584 202 // @see https://github.com/jquery/jquery/blob/3.4.0/dist/jquery.js#L4712 203 var rtagName; 204 if (majorVersion < 3) { 205 rtagName = /<([\w:]+)/; 206 } 207 else if (minorVersion < 4) { 208 rtagName = /<([a-z][^\/\0>\x20\t\r\n\f]+)/i; 209 } 210 else { 211 rtagName = /<([a-z][^\/\0>\x20\t\r\n\f]*)/i; 212 } 213 214 // The regular expression that jQuery uses to determine which self-closing 215 // tags to expand to open and close tags. This is vulnerable, because it 216 // matches all tag names except the few excluded ones. We only use this 217 // expression for determining vulnerability. The expression changed for 218 // version 3, but we only need to check for vulnerability in versions 1 and 2, 219 // so we use the expression from those versions. 220 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4957 221 var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi; 222 223 jQuery.extend({ 224 htmlPrefilter: function (html) { 225 // This is how jQuery determines the first tag in the HTML. 226 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5521 227 var tag = ( rtagName.exec( html ) || [ "", "" ] )[ 1 ].toLowerCase(); 228
229 // It is not valid HTML for <option> or <optgroup> to have <select> as 230 // either a descendant or sibling, and attempts to inject one can cause 231 // XSS on jQuery versions before 3.5. Since this is invalid HTML and a 232 // possible XSS attack, reject the entire string. 233 // @see https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11023 234 if ((tag === 'option' || tag === 'optgroup') && html.match(/<\/?select/i)) { 235 html = ''; 236 } 237 238 // Retain jQuery's prior to 3.5 conversion of pseudo-XHTML, but for only 239 // the tags in the `selfClosingTagsToReplace` list defined above. 240 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5518 241 // @see https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11022 242 html = html.replace(rxhtmlTagWithoutSpaceOrAttributes, "<$1></$1>"); 243 html = html.replace(rxhtmlTagWithSpaceAndMaybeAttributes, "<$1$2></$1>"); 244 245 // Prior to jQuery 1.12 and 2.2, this function gets called (via code later 246 // in this file) in addition to, rather than instead of, the unsafe 247 // expansion of self-closing tags (including ones not in the list above). 248 // We can't prevent that unsafe expansion from running, so instead we 249 // check to make sure that it doesn't affect the DOM returned by the 250 // browser's parsing logic. If it does affect it, then it's vulnerable to 251 // XSS, so we reject the entire string. 252 if ( (majorVersion === 1 && minorVersion < 12) || (majorVersion === 2 && minorVersion < 2) ) { 253 var htmlRisky = html.replace(rxhtmlTag, "<$1></$2>"); 254 if (htmlRisky !== html) { 255 // Even though htmlRisky and html are different strings, they might 256 // represent the same HTML structure once parsed, in which case, 257 // htmlRisky is actually safe. We can ask the browser to parse both 258 // to find out, but the browser can't parse table fragments (e.g., a 259 // root-level "<td>"), so we need to wrap them. We just need this 260 // technique to work on all supported browsers; we don't need to 261 // copy from the specific jQuery version we're using. 262 // @see https://github.com/jquery/jquery/blob/3.5.1/dist/jquery.js#L4939 263 var wrapMap = { 264 thead: [ 1, "<table>", "</table>" ], 265 col: [ 2, "<table><colgroup>", "</colgroup></table>" ], 266 tr: [ 2, "<table><tbody>", "</tbody></table>" ], 267 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], 268 }; 269 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; 270 wrapMap.th = wrapMap.td; 271 272 // Function to wrap HTML into something that a browser can parse. 273 // @see https://github.com/jquery/jquery/blob/3.5.1/dist/jquery.js#L5032 274 var getWrappedHtml = function (html) { 275 var wrap = wrapMap[tag]; 276 if (wrap) { 277 html = wrap[1] + html + wrap[2]; 278 } 279 return html; 280 }; 281 282 // Function to return canonical HTML after parsing it. This parses 283 // only; it doesn't execute scripts. 284 // @see https://github.com/jquery/jquery-migrate/blob/3.3.0/src/jquery/manipulation.js#L5 285 var getParsedHtml = function (html) { 286 var doc = window.document.implementation.createHTMLDocument( "" ); 287 doc.body.innerHTML = html; 288 return doc.body ? doc.body.innerHTML : ''; 289 }; 290 291 // If the browser couldn't parse either one successfully, or if 292 // htmlRisky parses differently than html, then html is vulnerable, 293 // so reject it. 294 var htmlParsed = getParsedHtml(getWrappedHtml(html)); 295 var htmlRiskyParsed = getParsedHtml(getWrappedHtml(htmlRisky)); 296 if (htmlRiskyParsed === '' || htmlParsed === '' || (htmlRiskyParsed !== htmlParsed)) { 297 html = ''; 298 } 299 } 300 } 301 302 return html; 303 } 304 }); 305 306 // Prior to jQuery 1.12 and 2.2, jQuery.clean(), jQuery.buildFragment(), and 307 // jQuery.fn.html() did not call jQuery.htmlPrefilter(), so we add that. 308 if ( (majorVersion === 1 && minorVersion < 12) || (majorVersion === 2 && minorVersion < 2) ) { 309 // Filter the HTML coming into jQuery.fn.html(). 310 var fnOriginalHtml = jQuery.fn.html; 311 jQuery.fn.extend({ 312 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5147 313 html: function (value) { 314 if (typeof value === "string") { 315 value = jQuery.htmlPrefilter(value); 316 } 317 // .html() can be called as a setter (with an argument) or as a getter 318 // (without an argument), so invoke fnOriginalHtml() the same way that 319 // we were invoked. 320 return fnOriginalHtml.apply(this, arguments.length ? [value] : []); 321 } 322 }); 323 324 // The regular expression that jQuery uses to determine if a string is HTML. 325 // Used by both clean() and buildFragment(). 326 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4960
327 var rhtml = /<|&#?\w+;/; 328 329 // Filter HTML coming into: 330 // - jQuery.clean() for versions prior to 1.9. 331 // - jQuery.buildFragment() for 1.9 and above. 332 // 333 // The looping constructs in the two functions might be essentially 334 // identical, but they're each expressed here in the way that most closely 335 // matches their original expression in jQuery, so that we filter all of 336 // the items and only the items that jQuery will treat as HTML strings. 337 if (majorVersion === 1 && minorVersion < 9) { 338 var originalClean = jQuery.clean; 339 jQuery.extend({ 340 // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5493 341 'clean': function (elems, context, fragment, scripts) { 342 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { 343 if ( typeof elem === "string" && rhtml.test( elem ) ) { 344 elems[i] = elem = jQuery.htmlPrefilter(elem); 345 } 346 } 347 return originalClean.call(this, elems, context, fragment, scripts); 348 } 349 }); 350 } 351 else { 352 var originalBuildFragment = jQuery.buildFragment; 353 jQuery.extend({ 354 // @see https://github.com/jquery/jquery/blob/1.9.0/jquery.js#L6419 355 'buildFragment': function (elems, context, scripts, selection) { 356 var l = elems.length; 357 for ( var i = 0; i < l; i++ ) { 358 var elem = elems[i]; 359 if (elem || elem === 0) { 360 if ( jQuery.type( elem ) !== "object" && rhtml.test( elem ) ) { 361 elems[i] = elem = jQuery.htmlPrefilter(elem); 362 } 363 } 364 } 365 return originalBuildFragment.call(this, elems, context, scripts, selection); 366 } 367 }); 368 } 369 } 370 371})(jQuery); 372; 373 374/** 375 * jQuery Once Plugin v1.2 376 * http://plugins.jquery.com/project/once 377 * 378 * Dual licensed under the MIT and GPL licenses: 379 * http://www.opensource.org/licenses/mit-license.php 380 * http://www.gnu.org/licenses/gpl.html 381 */ 382 383(function ($) { 384 var cache = {}, uuid = 0; 385 386 /** 387 * Filters elements by whether they have not yet been processed. 388 * 389 * @param id 390 * (Optional) If this is a string, then it will be used as the CSS class 391 * name that is applied to the elements for determining whether it has 392 * already been processed. The elements will get a class in the form of 393 * "id-processed". 394 * 395 * If the id parameter is a function, it will be passed off to the fn 396 * parameter and the id will become a unique identifier, represented as a 397 * number. 398 * 399 * When the id is neither a string or a function, it becomes a unique 400 * identifier, depicted as a number. The element's class will then be 401 * represented in the form of "jquery-once-#-processed". 402 * 403 * Take note that the id must be valid for usage as an element's class name. 404 * @param fn 405 * (Optional) If given, this function will be called for each element that 406 * has not yet been processed. The function's return value follows the same 407 * logic as $.each(). Returning true will continue to the next matched 408 * element in the set, while returning false will entirely break the 409 * iteration. 410 */ 411 $.fn.once = function (id, fn) { 412 if (typeof id != 'string') { 413 // Generate a numeric ID if the id passed can't be used as a CSS class. 414 if (!(id in cache)) { 415 cache[id] = ++uuid; 416 } 417 // When the fn parameter is not passed, we interpret it from the id. 418 if (!fn) { 419 fn = id; 420 } 421 id = 'jquery-once-' + cache[id]; 422 } 423 // Remove elements from the set that have already been processed. 424 var name = id + '-processed'; 425 var elements = this.not('.' + name).addClass(name); 426 427 return $.isFunction(fn) ? elements.each(fn) : elements; 428 }; 429 430 /** 431 * Filters elements that have been processed once already. 432 * 433 * @param id 434 * A required string representing the name of the class which should be used 435 * when filtering the elements. This only filters elements that have already 436 * been processed by the once function. The id should be the same id that 437 * was originally passed to the once() function. 438 * @param fn 439 * (Optional) If given, this function will be called for each element that 440 * has not yet been processed. The function's return value follows the same 441 * logic as $.each(). Returning true will continue to the next matched 442 * element in the set, while returning false will entirely break the 443 * iteration. 444 */ 445 $.fn.removeOnce = function (id, fn) { 446 var name = id + '-processed'; 447 var elements = this.filter('.' + name).removeClass(name); 448 449 return $.isFunction(fn) ? elements.each(fn) : elements; 450 }; 451})(jQuery); 452; 453 454var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'locale': {} }; 455 456// Allow other JavaScript libraries to use $. 457jQuery.noConflict(); 458 459(function ($) { 460 461/** 462 * Override jQuery.fn.init to guard against XSS attacks. 463 * 464 * See http://bugs.jquery.com/ticket/9521 465 */ 466var jquery_init = $.fn.init; 467$.fn.init = function (selector, context, rootjQuery) { 468 // If the string contains a "#" before a "<", treat it as invali
468d HTML. 469 if (selector && typeof selector === 'string') { 470 var hash_position = selector.indexOf('#'); 471 if (hash_position >= 0) { 472 var bracket_position = selector.indexOf('<'); 473 if (bracket_position > hash_position) { 474 throw 'Syntax error, unrecognized expression: ' + selector; 475 } 476 } 477 } 478 return jquery_init.call(this, selector, context, rootjQuery); 479}; 480$.fn.init.prototype = jquery_init.prototype; 481 482/** 483 * Pre-filter Ajax requests to guard against XSS attacks. 484 * 485 * See https://github.com/jquery/jquery/issues/2432 486 */ 487if ($.ajaxPrefilter) { 488 // For newer versions of jQuery, use an Ajax prefilter to prevent 489 // auto-executing script tags from untrusted domains. This is similar to the 490 // fix that is built in to jQuery 3.0 and higher. 491 $.ajaxPrefilter(function (s) { 492 if (s.crossDomain) { 493 s.contents.script = false; 494 } 495 }); 496} 497else if ($.httpData) { 498 // For the version of jQuery that ships with Drupal core, override 499 // jQuery.httpData to prevent auto-detecting "script" data types from 500 // untrusted domains. 501 var jquery_httpData = $.httpData; 502 $.httpData = function (xhr, type, s) { 503 // @todo Consider backporting code from newer jQuery versions to check for 504 // a cross-domain request here, rather than using Drupal.urlIsLocal() to 505 // block scripts from all URLs that are not on the same site. 506 if (!type && !Drupal.urlIsLocal(s.url)) { 507 var content_type = xhr.getResponseHeader('content-type') || ''; 508 if (content_type.indexOf('javascript') >= 0) { 509 // Default to a safe data type. 510 type = 'text'; 511 } 512 } 513 return jquery_httpData.call(this, xhr, type, s); 514 }; 515 $.httpData.prototype = jquery_httpData.prototype; 516} 517 518/** 519 * Attach all registered behaviors to a page element. 520 * 521 * Behaviors are event-triggered actions that attach to page elements, enhancing 522 * default non-JavaScript UIs. Behaviors are registered in the Drupal.behaviors 523 * object using the method 'attach' and optionally also 'detach' as follows: 524 * @code 525 * Drupal.behaviors.behaviorName = { 526 * attach: function (context, settings) { 527 * ... 528 * }, 529 * detach: function (context, settings, trigger) { 530 * ... 531 * } 532 * }; 533 * @endcode 534 * 535 * Drupal.attachBehaviors is added below to the jQuery ready event and so 536 * runs on initial page load. Developers implementing AHAH/Ajax in their 537 * solutions should also call this function after new page content has been 538 * loaded, feeding in an element to be processed, in order to attach all 539 * behaviors to the new content. 540 * 541 * Behaviors should use 542 * @code 543 * $(selector).once('behavior-name', function () { 544 * ... 545 * }); 546 * @endcode 547 * to ensure the behavior is attached only once to a given element. (Doing so 548 * enables the reprocessing of given elements, which may be needed on occasion 549 * despite the ability to limit behavior attachment to a particular element.) 550 * 551 * @param context 552 * An element to attach behaviors to. If none is given, the document element 553 * is used. 554 * @param settings 555 * An object containing settings for the current context. If none given, the 556 * global Drupal.settings object is used. 557 */ 558Drupal.attachBehaviors = function (context, settings) { 559 context = context || document; 560 settings = settings || Drupal.settings; 561 // Execute all of them. 562 $.each(Drupal.behaviors, function () { 563 if ($.isFunction(this.attach)) { 564 this.attach(context, settings); 565 } 566 }); 567}; 568 569/** 570 * Detach registered behaviors from a page element. 571 * 572 * Developers implementing AHAH/Ajax in their solutions should call this 573 * function before page content is about to be removed, feeding in an element 574 * to be processed, in order to allow special behaviors to detach from the 575 * content. 576 * 577 * Such implementations should look for the class name that was added in their 578 * corresponding Drupal.behaviors.behaviorName.attach implementation, i.e. 579 * behaviorName-processed, to ensure the behavior is detached only from 580 * previously processed elements. 581 * 582 * @param context 583 * An element to detach behaviors from. If none is given, the document element 584 * is used. 585 * @param settings
586 * An object containing settings for the current context. If none given, the 587 * global Drupal.settings object is used. 588 * @param trigger 589 * A string containing what's causing the behaviors to be detached. The 590 * possible triggers are: 591 * - unload: (default) The context element is being removed from the DOM. 592 * - move: The element is about to be moved within the DOM (for example, 593 * during a tabledrag row swap). After the move is completed, 594 * Drupal.attachBehaviors() is called, so that the behavior can undo 595 * whatever it did in response to the move. Many behaviors won't need to 596 * do anything simply in response to the element being moved, but because 597 * IFRAME elements reload their "src" when being moved within the DOM, 598 * behaviors bound to IFRAME elements (like WYSIWYG editors) may need to 599 * take some action. 600 * - serialize: When an Ajax form is submitted, this is called with the 601 * form as the context. This provides every behavior within the form an 602 * opportunity to ensure that the field elements have correct content 603 * in them before the form is serialized. The canonical use-case is so 604 * that WYSIWYG editors can update the hidden textarea to which they are 605 * bound. 606 * 607 * @see Drupal.attachBehaviors 608 */ 609Drupal.detachBehaviors = function (context, settings, trigger) { 610 context = context || document; 611 settings = settings || Drupal.settings; 612 trigger = trigger || 'unload'; 613 // Execute all of them. 614 $.each(Drupal.behaviors, function () { 615 if ($.isFunction(this.detach)) { 616 this.detach(context, settings, trigger); 617 } 618 }); 619}; 620 621/** 622 * Encode special characters in a plain-text string for display as HTML. 623 * 624 * @ingroup sanitization 625 */ 626Drupal.checkPlain = function (str) { 627 var character, regex, 628 replace = { '&': '&', "'": ''', '"': '"', '<': '<', '>': '>' }; 629 str = String(str); 630 for (character in replace) { 631 if (replace.hasOwnProperty(character)) { 632 regex = new RegExp(character, 'g'); 633 str = str.replace(regex, replace[character]); 634 } 635 } 636 return str; 637}; 638 639/** 640 * Replace placeholders with sanitized values in a string. 641 * 642 * @param str 643 * A string with placeholders. 644 * @param args 645 * An object of replacements pairs to make. Incidences of any key in this 646 * array are replaced with the corresponding value. Based on the first 647 * character of the key, the value is escaped and/or themed: 648 * - !variable: inserted as is 649 * - @variable: escape plain text to HTML (Drupal.checkPlain) 650 * - %variable: escape text and theme as a placeholder for user-submitted 651 * content (checkPlain + Drupal.theme('placeholder')) 652 * 653 * @see Drupal.t() 654 * @ingroup sanitization 655 */ 656Drupal.formatString = function(str, args) { 657 // Transform arguments before inserting them. 658 for (var key in args) { 659 if (args.hasOwnProperty(key)) { 660 switch (key.charAt(0)) { 661 // Escaped only. 662 case '@': 663 args[key] = Drupal.checkPlain(args[key]); 664 break; 665 // Pass-through. 666 case '!': 667 break; 668 // Escaped and placeholder. 669 default: 670 args[key] = Drupal.theme('placeholder', args[key]); 671 break; 672 } 673 } 674 } 675 676 return Drupal.stringReplace(str, args, null); 677}; 678 679/** 680 * Replace substring. 681 * 682 * The longest keys will be tried first. Once a substring has been replaced, 683 * its new value will not be searched again. 684 * 685 * @param {String} str 686 * A string with placeholders. 687 * @param {Object} args 688 * Key-value pairs. 689 * @param {Array|null} keys 690 * Array of keys from the "args". Internal use only. 691 * 692 * @return {String} 693 * Returns the replaced string. 694 */ 695Drupal.stringReplace = function (str, args, keys) { 696 if (str.length === 0) { 697 return str; 698 } 699 700 // If the array of keys is not passed then collect the keys from the args. 701 if (!$.isArray(keys)) { 702 keys = []; 703 for (var k in args) { 704 if (args.hasOwnProperty(k)) { 705 keys.push(k); 706 } 707 } 708 709 // Order the keys by the character length. The shortest one is the first. 710 keys.sort(function (a, b) { return a.length - b.length; }); 711 } 712 713 if (keys.length === 0) { 714 return str; 715 } 716 717 // Take next longest one from the end. 718 var key = keys.pop(); 719 var fragments = str.split(key); 720 721 if (keys.length) { 722 for (var i = 0; i < fragments.length; i++) { 723 // Process each fragment with a copy of remaining keys. 724 fragments[i] = Drupal.stringReplace(fragments[i], args, keys.slice(0)); 725 } 726 } 727 728 return fragments.join(args[key]); 729}; 730 731/** 732 * Translate strings to the page language or a given language. 733 * 734 * See the documentation of the server-side t() function for further details. 735 * 736 * @param str 737 * A string containing the English string to translate. 738 * @param args 739 * An object of replacements pairs to make after translation. Incidences 740 * of any key in this array are replaced with the corresponding value. 741 * See Drupal.formatString(). 742 * 743 * @param options 744 * - 'context' (defaults to the empty context): The context the source string 745 * belongs to. 746 * 747 * @return 748 * The translated string. 749 */ 750Drupal.t = function (str, args, options) { 751 options = options || {}; 752 options.context = options.context || ''; 753 754 // Fetch the localized version of the string. 755 if (Drupal.locale.strings && Drupal.locale.strings[options.context] && Drupal.locale.strings[options.context][str]) { 756 str = Drupal.locale.strings[options.context][str]; 757 } 758 759 if (args) { 760 str = Drupal.formatString(str, args); 761 } 762 return str; 763}; 764 765/** 766 * Format a string containing a count of items. 767 * 768 * This function ensures that the string is pluralized correctly. Since Drupal.t() is 769 * called by this function, make sure not to pass already-localized strings to it. 770 * 771 * See the documentation of the server-side format_plural() function for further details. 772 * 773 * @param count 774 * The item count to display. 775 * @param singular 776 * The string for the singular case. Please make sure it is clear this is 777 * singular, to ease translation (e.g. use "1 new comment" instead of "1 new"). 778 * Do not use @count in the singular string. 779 * @param plural 780 * The string for the plural case. Please make sure it is clear this is plural, 781 * to ease translation. Use @count in place of the item count, as in "@count 782 * new comments". 783 * @param args 784 * An object of replacements pairs to make after translation. Incidences 785 * of any key in this array are replaced with the corresponding value. 786 * See Drupal.formatString(). 787 * Note that you do not need to include @count in this array.
788 * This replacement is done automatically for the plural case. 789 * @param options 790 * The options to pass to the Drupal.t() function. 791 * @return 792 * A translated string. 793 */ 794Drupal.formatPlural = function (count, singular, plural, args, options) { 795 args = args || {}; 796 args['@count'] = count; 797 // Determine the index of the plural form. 798 var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1); 799 800 if (index == 0) { 801 return Drupal.t(singular, args, options); 802 } 803 else if (index == 1) { 804 return Drupal.t(plural, args, options); 805 } 806 else { 807 args['@count[' + index + ']'] = args['@count']; 808 delete args['@count']; 809 return Drupal.t(plural.replace('@count', '@count[' + index + ']'), args, options); 810 } 811}; 812 813/** 814 * Returns the passed in URL as an absolute URL. 815 * 816 * @param url 817 * The URL string to be normalized to an absolute URL. 818 * 819 * @return 820 * The normalized, absolute URL. 821 * 822 * @see https://github.com/angular/angular.js/blob/v1.4.4/src/ng/urlUtils.js 823 * @see https://grack.com/blog/2009/11/17/absolutizing-url-in-javascript 824 * @see https://github.com/jquery/jquery-ui/blob/1.11.4/ui/tabs.js#L53 825 */ 826Drupal.absoluteUrl = function (url) { 827 var urlParsingNode = document.createElement('a'); 828 829 // Decode the URL first; this is required by IE <= 6. Decoding non-UTF-8 830 // strings may throw an exception. 831 try { 832 url = decodeURIComponent(url); 833 } catch (e) {} 834 835 urlParsingNode.setAttribute('href', url); 836 837 // IE <= 7 normalizes the URL when assigned to the anchor node similar to 838 // the other browsers. 839 return urlParsingNode.cloneNode(false).href; 840}; 841 842/** 843 * Returns true if the URL is within Drupal's base path. 844 * 845 * @param url 846 * The URL string to be tested. 847 * 848 * @return 849 * Boolean true if local. 850 * 851 * @see https://github.com/jquery/jquery-ui/blob/1.11.4/ui/tabs.js#L58 852 */ 853Drupal.urlIsLocal = function (url) { 854 // Always use browser-derived absolute URLs in the comparison, to avoid 855 // attempts to break out of the base path using directory traversal. 856 var absoluteUrl = Drupal.absoluteUrl(url); 857 var protocol = location.protocol; 858 859 // Consider URLs that match this site's base URL but use HTTPS instead of HTTP 860 // as local as well. 861 if (protocol === 'http:' && absoluteUrl.indexOf('https:') === 0) { 862 protocol = 'https:'; 863 } 864 var baseUrl = protocol + '//' + location.host + Drupal.settings.basePath.slice(0, -1); 865 866 // Decoding non-UTF-8 strings may throw an exception. 867 try { 868 absoluteUrl = decodeURIComponent(absoluteUrl); 869 } catch (e) {} 870 try { 871 baseUrl = decodeURIComponent(baseUrl); 872 } catch (e) {} 873 874 // The given URL matches the site's base URL, or has a path under the site's 875 // base URL. 876 return absoluteUrl === baseUrl || absoluteUrl.indexOf(baseUrl + '/') === 0; 877}; 878 879/** 880 * Sanitizes a URL for use with jQuery.ajax(). 881 * 882 * @param url 883 * The URL string to be sanitized. 884 * 885 * @return 886 * The sanitized URL. 887 */ 888Drupal.sanitizeAjaxUrl = function (url) { 889 var regex = /\=\?(&|$)/; 890 while (url.match(regex)) { 891 url = url.replace(regex, ''); 892 } 893 return url; 894} 895 896/** 897 * Generate the themed representation of a Drupal object. 898 * 899 * All requests for themed output must go through this function. It examines 900 * the request and routes it to the appropriate theme function. If the current 901 * theme does not provide an override function, the generic theme function is 902 * called. 903 * 904 * For example, to retrieve the HTML for text that should be emphasized and 905 * displayed as a placeholder inside a sentence, call 906 * Drupal.theme('placeholder', text). 907 * 908 * @param func 909 * The name of the theme function to call. 910 * @param ... 911 * Additional arguments to pass along to the theme function. 912 * @return 913 * Any data the theme function returns. This could be a plain HTML string, 914 * but also a complex object. 915 */ 916Drupal.theme = function (func) { 917 var args = Array.prototype.slice.apply(arguments, [1]); 918 919 return (Drupal.theme[func] || Drupal.theme.prototype[func]).apply(this, args); 920}; 921 922/** 923 * Freeze the current body height (as minimum height). Used to prevent 924 * unnecessary upwards scrolling when doing DOM manipulations. 925 */ 926Drupal.freezeHeight = function () { 927 Drupal.unfreezeHeight(); 928 $('<div id="freeze-height"></div>').css({ 929 position: 'absolute', 930 top: '0px', 931 left: '0px', 932 width: '1px', 933 height: $('body').css('height') 934 }).appendTo('body'); 935}; 936 937/** 938 * Unfreeze the body height. 939 */ 940Drupal.unfreezeHeight = function () { 941 $('#freeze-height').remove(); 942}; 943 944/** 945 * Encodes a Drupal path for use in a URL. 946 * 947 * For aesthetic reasons slashes are not escaped. 948 */ 949Drupal.encodePath = function (item, uri) { 950 uri = uri || location.href; 951 return encodeURIComponent(item).replace(/%2F/g, '/'); 952}; 953 954/** 955 * Get the text selection in a textarea. 956 */ 957Drupal.getSelection = function (element) { 958 if (typeof element.selectionStart != 'number' && document.selection) { 959 // The current selection. 960 var range1 = document.selection.createRange(); 961 var range2 = range1.duplicate(); 962 // Select all text. 963 range2.moveToElementText(element); 964 // Now move 'dummy' end point to end point of original range.
965 range2.setEndPoint('EndToEnd', range1); 966 // Now we can calculate start and end points. 967 var start = range2.text.length - range1.text.length; 968 var end = start + range1.text.length; 969 return { 'start': start, 'end': end }; 970 } 971 return { 'start': element.selectionStart, 'end': element.selectionEnd }; 972}; 973 974/** 975 * Add a global variable which determines if the window is being unloaded. 976 * 977 * This is primarily used by Drupal.displayAjaxError(). 978 */ 979Drupal.beforeUnloadCalled = false; 980$(window).bind('beforeunload pagehide', function () { 981 Drupal.beforeUnloadCalled = true; 982}); 983 984/** 985 * Displays a JavaScript error from an Ajax response when appropriate to do so. 986 */ 987Drupal.displayAjaxError = function (message) { 988 // Skip displaying the message if the user deliberately aborted (for example, 989 // by reloading the page or navigating to a different page) while the Ajax 990 // request was still ongoing. See, for example, the discussion at 991 // http://stackoverflow.com/questions/699941/handle-ajax-error-when-a-user-clicks-refresh. 992 if (!Drupal.beforeUnloadCalled) { 993 alert(message); 994 } 995}; 996 997/** 998 * Build an error message from an Ajax response. 999 */ 1000Drupal.ajaxError = function (xmlhttp, uri, customMessage) { 1001 var statusCode, statusText, pathText, responseText, readyStateText, message; 1002 if (xmlhttp.status) { 1003 statusCode = "\n" + Drupal.t("An AJAX HTTP error occurred.") + "\n" + Drupal.t("HTTP Result Code: !status", {'!status': xmlhttp.status}); 1004 } 1005 else { 1006 statusCode = "\n" + Drupal.t("An AJAX HTTP request terminated abnormally."); 1007 } 1008 statusCode += "\n" + Drupal.t("Debugging information follows."); 1009 pathText = "\n" + Drupal.t("Path: !uri", {'!uri': uri} ); 1010 statusText = ''; 1011 // In some cases, when statusCode == 0, xmlhttp.statusText may not be defined. 1012 // Unfortunately, testing for it with typeof, etc, doesn't seem to catch that 1013 // and the test causes an exception. So we need to catch the exception here. 1014 try { 1015 statusText = "\n" + Drupal.t("StatusText: !statusText", {'!statusText': $.trim(xmlhttp.statusText)}); 1016 } 1017 catch (e) {} 1018 1019 responseText = ''; 1020 // Again, we don't have a way to know for sure whether accessing 1021 // xmlhttp.responseText is going to throw an exception. So we'll catch it. 1022 try { 1023 responseText = "\n" + Drupal.t("ResponseText: !responseText", {'!responseText': $.trim(xmlhttp.responseText) } ); 1024 } catch (e) {} 1025 1026 // Make the responseText more readable by stripping HTML tags and newlines. 1027 responseText = responseText.replace(/<("[^"]*"|'[^']*'|[^'">])*>/gi,""); 1028 responseText = responseText.replace(/[\n]+\s+/g,"\n"); 1029 1030 // We don't need readyState except for status == 0. 1031 readyStateText = xmlhttp.status == 0 ? ("\n" + Drupal.t("ReadyState: !readyState", {'!readyState': xmlhttp.readyState})) : ""; 1032 1033 // Additional message beyond what the xmlhttp object provides. 1034 customMessage = customMessage ? ("\n" + Drupal.t("CustomMessage: !customMessage", {'!customMessage': customMessage})) : ""; 1035 1036 message = statusCode + pathText + statusText + customMessage + responseText + readyStateText; 1037 return message; 1038}; 1039 1040// Class indicating that JS is enabled; used for styling purpose. 1041$('html').addClass('js'); 1042 1043$(function () { 1044 if (Drupal.settings.setHasJsCookie === 1) { 1045 // 'js enabled' cookie. 1046 document.cookie = 'has_js=1; path=/; SameSite=Lax'; 1047 } 1048}); 1049 1050/** 1051 * Additions to jQuery.support. 1052 */ 1053$(function () { 1054 /** 1055 * Boolean indicating whether or not position:fixed is supported. 1056 */ 1057 if (jQuery.support.positionFixed === undefined) { 1058 var el = $('<div style="position:fixed; top:10px" />').appendTo(document.body); 1059 jQuery.support.positionFixed = el[0].offsetTop === 10; 1060 el.remove(); 1061 } 1062}); 1063 1064//Attach all behaviors. 1065$(function () { 1066 Drupal.attachBehaviors(document, Drupal.settings); 1067}); 1068 1069/** 1070 * The default themes. 1071 */ 1072Drupal.theme.prototype = { 1073 1074 /** 1075 * Formats text for emphasized display in a placeholder inside a sentence. 1076 * 1077 * @param str 1078 * The text to format (plain-text). 1079 * @return 1080 * The formatted text (html). 1081 */ 1082 placeholder: function (str) { 1083 return '<em class="placeholder">' + Drupal.checkPlain(str) + '</em>'; 1084 } 1085}; 1086 1087})(jQuery); 1088;
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