aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/twbs/bootstrap/js/dist/util/sanitizer.js.map
blob: 8a96b3fd8ff159269577a17c230b74ca48275d98 (plain) (blame)
1
{"version":3,"file":"sanitizer.js","sources":["../../src/util/sanitizer.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap util/sanitizer.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst uriAttributes = new Set([\n  'background',\n  'cite',\n  'href',\n  'itemtype',\n  'longdesc',\n  'poster',\n  'src',\n  'xlink:href'\n])\n\n/**\n * A pattern that recognizes a commonly useful subset of URLs that are safe.\n *\n * Shout-out to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i\n\n/**\n * A pattern that matches safe data URLs. Only matches image, video and audio types.\n *\n * Shout-out to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst DATA_URL_PATTERN = /^data:(?:image\\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\\/(?:mpeg|mp4|ogg|webm)|audio\\/(?:mp3|oga|ogg|opus));base64,[\\d+/a-z]+=*$/i\n\nconst allowedAttribute = (attribute, allowedAttributeList) => {\n  const attributeName = attribute.nodeName.toLowerCase()\n\n  if (allowedAttributeList.includes(attributeName)) {\n    if (uriAttributes.has(attributeName)) {\n      return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue) || DATA_URL_PATTERN.test(attribute.nodeValue))\n    }\n\n    return true\n  }\n\n  // Check if a regular expression validates the attribute.\n  return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp)\n    .some(regex => regex.test(attributeName))\n}\n\n// js-docs-start allow-list\nconst ARIA_ATTRIBUTE_PATTERN = /^aria-[\\w-]*$/i\n\nexport const DefaultAllowlist = {\n  // Global attributes allowed on any supplied element below.\n  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],\n  a: ['target', 'href', 'title', 'rel'],\n  area: [],\n  b: [],\n  br: [],\n  col: [],\n  code: [],\n  div: [],\n  em: [],\n  hr: [],\n  h1: [],\n  h2: [],\n  h3: [],\n  h4: [],\n  h5: [],\n  h6: [],\n  i: [],\n  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],\n  li: [],\n  ol: [],\n  p: [],\n  pre: [],\n  s: [],\n  small: [],\n  span: [],\n  sub: [],\n  sup: [],\n  strong: [],\n  u: [],\n  ul: []\n}\n// js-docs-end allow-list\n\nexport function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {\n  if (!unsafeHtml.length) {\n    return unsafeHtml\n  }\n\n  if (sanitizeFunction && typeof sanitizeFunction === 'function') {\n    return sanitizeFunction(unsafeHtml)\n  }\n\n  const domParser = new window.DOMParser()\n  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')\n  const elements = [].concat(...createdDocument.body.querySelectorAll('*'))\n\n  for (const element of elements) {\n    const elementName = element.nodeName.toLowerCase()\n\n    if (!Object.keys(allowList).includes(elementName)) {\n      element.remove()\n\n      continue\n    }\n\n    const attributeList = [].concat(...element.attributes)\n    const allowedAttributes = [].concat(allowList['*'] || [], allowList[elementName] || [])\n\n    for (const attribute of attributeList) {\n      if (!allowedAttribute(attribute, allowedAttributes)) {\n        element.removeAttribute(attribute.nodeName)\n      }\n    }\n  }\n\n  return createdDocument.body.innerHTML\n}\n"],"names":["uriAttributes","Set","SAFE_URL_PATTERN","DATA_URL_PATTERN","allowedAttribute","attribute","allowedAttributeList","attributeName","nodeName","toLowerCase","includes","has","Boolean","test","nodeValue","filter","attributeRegex","RegExp","some","regex","ARIA_ATTRIBUTE_PATTERN","DefaultAllowlist","a","area","b","br","col","code","div","em","hr","h1","h2","h3","h4","h5","h6","i","img","li","ol","p","pre","s","small","span","sub","sup","strong","u","ul","sanitizeHtml","unsafeHtml","allowList","sanitizeFunction","length","domParser","window","DOMParser","createdDocument","parseFromString","elements","concat","body","querySelectorAll","element","elementName","Object","keys","remove","attributeList","attributes","allowedAttributes","removeAttribute","innerHTML"],"mappings":";;;;;;;;;;;EAAA;EACA;EACA;EACA;EACA;EACA;;EAEA,MAAMA,aAAa,GAAG,IAAIC,GAAG,CAAC,CAC5B,YAAY,EACZ,MAAM,EACN,MAAM,EACN,UAAU,EACV,UAAU,EACV,QAAQ,EACR,KAAK,EACL,YAAY,CACb,CAAC,CAAA;;EAEF;EACA;EACA;EACA;EACA;EACA,MAAMC,gBAAgB,GAAG,gEAAgE,CAAA;;EAEzF;EACA;EACA;EACA;EACA;EACA,MAAMC,gBAAgB,GAAG,oIAAoI,CAAA;EAE7J,MAAMC,gBAAgB,GAAGA,CAACC,SAAS,EAAEC,oBAAoB,KAAK;EAC5D,EAAA,MAAMC,aAAa,GAAGF,SAAS,CAACG,QAAQ,CAACC,WAAW,EAAE,CAAA;EAEtD,EAAA,IAAIH,oBAAoB,CAACI,QAAQ,CAACH,aAAa,CAAC,EAAE;EAChD,IAAA,IAAIP,aAAa,CAACW,GAAG,CAACJ,aAAa,CAAC,EAAE;EACpC,MAAA,OAAOK,OAAO,CAACV,gBAAgB,CAACW,IAAI,CAACR,SAAS,CAACS,SAAS,CAAC,IAAIX,gBAAgB,CAACU,IAAI,CAACR,SAAS,CAACS,SAAS,CAAC,CAAC,CAAA;EAC1G,KAAA;EAEA,IAAA,OAAO,IAAI,CAAA;EACb,GAAA;;EAEA;IACA,OAAOR,oBAAoB,CAACS,MAAM,CAACC,cAAc,IAAIA,cAAc,YAAYC,MAAM,CAAC,CACnFC,IAAI,CAACC,KAAK,IAAIA,KAAK,CAACN,IAAI,CAACN,aAAa,CAAC,CAAC,CAAA;EAC7C,CAAC,CAAA;;EAED;EACA,MAAMa,sBAAsB,GAAG,gBAAgB,CAAA;AAExC,QAAMC,gBAAgB,GAAG;EAC9B;EACA,EAAA,GAAG,EAAE,CAAC,OAAO,EAAE,KAAK,EAAE,IAAI,EAAE,MAAM,EAAE,MAAM,EAAED,sBAAsB,CAAC;IACnEE,CAAC,EAAE,CAAC,QAAQ,EAAE,MAAM,EAAE,OAAO,EAAE,KAAK,CAAC;EACrCC,EAAAA,IAAI,EAAE,EAAE;EACRC,EAAAA,CAAC,EAAE,EAAE;EACLC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,GAAG,EAAE,EAAE;EACPC,EAAAA,IAAI,EAAE,EAAE;EACRC,EAAAA,GAAG,EAAE,EAAE;EACPC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,CAAC,EAAE,EAAE;EACLC,EAAAA,GAAG,EAAE,CAAC,KAAK,EAAE,QAAQ,EAAE,KAAK,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC;EACzDC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,EAAE,EAAE,EAAE;EACNC,EAAAA,CAAC,EAAE,EAAE;EACLC,EAAAA,GAAG,EAAE,EAAE;EACPC,EAAAA,CAAC,EAAE,EAAE;EACLC,EAAAA,KAAK,EAAE,EAAE;EACTC,EAAAA,IAAI,EAAE,EAAE;EACRC,EAAAA,GAAG,EAAE,EAAE;EACPC,EAAAA,GAAG,EAAE,EAAE;EACPC,EAAAA,MAAM,EAAE,EAAE;EACVC,EAAAA,CAAC,EAAE,EAAE;EACLC,EAAAA,EAAE,EAAE,EAAA;EACN,EAAC;EACD;;EAEO,SAASC,YAAYA,CAACC,UAAU,EAAEC,SAAS,EAAEC,gBAAgB,EAAE;EACpE,EAAA,IAAI,CAACF,UAAU,CAACG,MAAM,EAAE;EACtB,IAAA,OAAOH,UAAU,CAAA;EACnB,GAAA;EAEA,EAAA,IAAIE,gBAAgB,IAAI,OAAOA,gBAAgB,KAAK,UAAU,EAAE;MAC9D,OAAOA,gBAAgB,CAACF,UAAU,CAAC,CAAA;EACrC,GAAA;EAEA,EAAA,MAAMI,SAAS,GAAG,IAAIC,MAAM,CAACC,SAAS,EAAE,CAAA;IACxC,MAAMC,eAAe,GAAGH,SAAS,CAACI,eAAe,CAACR,UAAU,EAAE,WAAW,CAAC,CAAA;EAC1E,EAAA,MAAMS,QAAQ,GAAG,EAAE,CAACC,MAAM,CAAC,GAAGH,eAAe,CAACI,IAAI,CAACC,gBAAgB,CAAC,GAAG,CAAC,CAAC,CAAA;EAEzE,EAAA,KAAK,MAAMC,OAAO,IAAIJ,QAAQ,EAAE;EAC9B,IAAA,MAAMK,WAAW,GAAGD,OAAO,CAACzD,QAAQ,CAACC,WAAW,EAAE,CAAA;EAElD,IAAA,IAAI,CAAC0D,MAAM,CAACC,IAAI,CAACf,SAAS,CAAC,CAAC3C,QAAQ,CAACwD,WAAW,CAAC,EAAE;QACjDD,OAAO,CAACI,MAAM,EAAE,CAAA;EAEhB,MAAA,SAAA;EACF,KAAA;MAEA,MAAMC,aAAa,GAAG,EAAE,CAACR,MAAM,CAAC,GAAGG,OAAO,CAACM,UAAU,CAAC,CAAA;EACtD,IAAA,MAAMC,iBAAiB,GAAG,EAAE,CAACV,MAAM,CAACT,SAAS,CAAC,GAAG,CAAC,IAAI,EAAE,EAAEA,SAAS,CAACa,WAAW,CAAC,IAAI,EAAE,CAAC,CAAA;EAEvF,IAAA,KAAK,MAAM7D,SAAS,IAAIiE,aAAa,EAAE;EACrC,MAAA,IAAI,CAAClE,gBAAgB,CAACC,SAAS,EAAEmE,iBAAiB,CAAC,EAAE;EACnDP,QAAAA,OAAO,CAACQ,eAAe,CAACpE,SAAS,CAACG,QAAQ,CAAC,CAAA;EAC7C,OAAA;EACF,KAAA;EACF,GAAA;EAEA,EAAA,OAAOmD,eAAe,CAACI,IAAI,CAACW,SAAS,CAAA;EACvC;;;;;;;;;;;"}