Module: Loofah::HTML5::SafeList
- Defined in:
- lib/loofah/html5/safelist.rb
Overview
HTML safelist lifted from HTML5lib sanitizer code:
http://code.google.com/p/html5lib/
<html5_license>
Copyright (c) 2006-2008 The Authors
Contributors:
James Graham - [email protected]
Anne van Kesteren - [email protected]
Lachlan Hunt - [email protected]
Matt McDonald - [email protected]
Sam Ruby - [email protected]
Ian Hickson (Google) - [email protected]
Thomas Broyer - [email protected]
Jacques Distler - [email protected]
Henri Sivonen - [email protected]
The Mozilla Foundation (contributions from Henri Sivonen since 2008)
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</html5_license>
Constant Summary collapse
- ACCEPTABLE_ELEMENTS =
Set.new([ "a", "abbr", "acronym", "address", "area", "article", "aside", "audio", "b", "bdi", "bdo", "big", "blockquote", "br", "button", "canvas", "caption", "center", "cite", "code", "col", "colgroup", "command", "datalist", "dd", "del", "details", "dfn", "dir", "div", "dl", "dt", "em", "fieldset", "figcaption", "figure", "font", "footer", "form", "h1", "h2", "h3", "h4", "h5", "h6", "header", "hr", "i", "img", "input", "ins", "kbd", "label", "legend", "li", "main", "map", "mark", "menu", "meter", "nav", "ol", "optgroup", "option", "output", "p", "pre", "q", "s", "samp", "section", "select", "small", "span", "strike", "strong", "sub", "summary", "sup", "table", "tbody", "td", "textarea", "tfoot", "th", "thead", "time", "tr", "tt", "u", "ul", "var", "video", "wbr", ])
- MATHML_ELEMENTS =
Set.new([ "annotation", "annotation-xml", "maction", "math", "menclose", "merror", "mfenced", "mfrac", "mi", "mmultiscripts", "mn", "mo", "mover", "mpadded", "mphantom", "mprescripts", "mroot", "mrow", "ms", "mspace", "msqrt", "mstyle", "msub", "msubsup", "msup", "mtable", "mtd", "mtext", "mtr", "munder", "munderover", "none", "semantics", ])
- SVG_ELEMENTS =
Set.new([ "a", "altGlyph", "animate", "animateColor", "animateMotion", "animateTransform", "circle", "clipPath", "cursor", "defs", "desc", "ellipse", "feGaussianBlur", "feImage", "filter", "font-face", "font-face-name", "font-face-src", "foreignObject", "g", "glyph", "hkern", "line", "linearGradient", "marker", "mask", "metadata", "missing-glyph", "mpath", "path", "pattern", "polygon", "polyline", "radialGradient", "rect", "set", "stop", "svg", "switch", "symbol", "text", "textPath", "title", "tref", "tspan", "use", ])
- ACCEPTABLE_ATTRIBUTES =
Set.new([ "abbr", "accept", "accept-charset", "accesskey", "action", "align", "alt", "axis", "border", "cellpadding", "cellspacing", "char", "charoff", "charset", "checked", "cite", "class", "clear", "color", "cols", "colspan", "compact", "contenteditable", "coords", "datetime", "dir", "disabled", "enctype", "for", "frame", "headers", "height", "href", "hreflang", "hspace", "id", "ismap", "label", "lang", "longdesc", "loop", "loopcount", "loopend", "loopstart", "maxlength", "media", "method", "multiple", "name", "nohref", "noshade", "nowrap", "poster", "preload", "prompt", "readonly", "rel", "rev", "rows", "rowspan", "rules", "scope", "selected", "shape", "size", "span", "src", "start", "style", "summary", "tabindex", "target", "title", "type", "usemap", "valign", "value", "vspace", "width", "xml:lang", ])
- MATHML_ATTRIBUTES =
Set.new([ "actiontype", "align", "close", "columnalign", "columnlines", "columnspacing", "columnspan", "depth", "dir", "display", "displaystyle", "encoding", "equalcolumns", "equalrows", "fence", "fontstyle", "fontweight", "frame", "height", "href", "linethickness", "lquote", "lspace", "mathbackground", "mathcolor", "mathsize", "mathvariant", "maxsize", "minsize", "notation", "open", "other", "rowalign", "rowlines", "rowspacing", "rowspan", "rquote", "rspace", "scriptlevel", "selection", "separator", "separators", "stretchy", "width", "xlink:href", "xlink:show", "xlink:type", "xmlns", "xmlns:xlink", ])
- SVG_ATTRIBUTES =
Set.new([ "accent-height", "accumulate", "additive", "alphabetic", "arabic-form", "ascent", "attributeName", "attributeType", "baseProfile", "bbox", "begin", "calcMode", "cap-height", "class", "clip-path", "clip-rule", "color", "color-interpolation-filters", "color-profile", "color-rendering", "content", "cursor", "cx", "cy", "d", "descent", "display", "dur", "dx", "dy", "end", "fill", "fill-opacity", "fill-rule", "filter", "filterRes", "filterUnits", "font-family", "font-size", "font-stretch", "font-style", "font-variant", "font-weight", "fx", "fy", "g1", "g2", "glyph-name", "gradientUnits", "hanging", "height", "horiz-adv-x", "horiz-origin-x", "id", "ideographic", "k", "keyPoints", "keySplines", "keyTimes", "lang", "marker", "marker-end", "marker-mid", "marker-start", "markerHeight", "markerUnits", "markerWidth", "mask", "maskContentUnits", "maskUnits", "mathematical", "max", "method", "min", "name", "offset", "opacity", "orient", "origin", "overline-position", "overline-thickness", "panose-1", "path", "pathLength", "patternContentUnits", "patternTransform", "patternUnits", "points", "preserveAspectRatio", "primitiveUnits", "r", "refX", "refY", "repeatCount", "repeatDur", "requiredExtensions", "requiredFeatures", "restart", "rotate", "rx", "ry", "slope", "spacing", "startOffset", "stdDeviation", "stemh", "stemv", "stop-color", "stop-opacity", "strikethrough-position", "strikethrough-thickness", "stroke", "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity", "stroke-width", "systemLanguage", "target", "text-anchor", "transform", "type", "u1", "u2", "underline-position", "underline-thickness", "unicode", "unicode-range", "units-per-em", "version", "viewBox", "visibility", "width", "widths", "x", "x-height", "x1", "x2", "xlink:actuate", "xlink:arcrole", "xlink:href", "xlink:role", "xlink:show", "xlink:title", "xlink:type", "xml:base", "xml:lang", "xml:space", "xmlns", "xmlns:xlink", "y", "y1", "y2", "zoomAndPan", ])
- ARIA_ATTRIBUTES =
Set.new([ "aria-activedescendant", "aria-atomic", "aria-autocomplete", "aria-braillelabel", "aria-brailleroledescription", "aria-busy", "aria-checked", "aria-colcount", "aria-colindex", "aria-colindextext", "aria-colspan", "aria-controls", "aria-current", "aria-describedby", "aria-description", "aria-details", "aria-disabled", "aria-dropeffect", "aria-errormessage", "aria-expanded", "aria-flowto", "aria-grabbed", "aria-haspopup", "aria-hidden", "aria-invalid", "aria-keyshortcuts", "aria-label", "aria-labelledby", "aria-level", "aria-live", "aria-multiline", "aria-multiselectable", "aria-orientation", "aria-owns", "aria-placeholder", "aria-posinset", "aria-pressed", "aria-readonly", "aria-relevant", "aria-required", "aria-roledescription", "aria-rowcount", "aria-rowindex", "aria-rowindextext", "aria-rowspan", "aria-selected", "aria-setsize", "aria-sort", "aria-valuemax", "aria-valuemin", "aria-valuenow", "aria-valuetext", "role", ])
- ATTR_VAL_IS_URI =
Set.new([ "action", "cite", "href", "longdesc", "poster", "preload", "src", "xlink:href", "xml:base", ])
- SVG_ATTR_VAL_ALLOWS_REF =
Set.new([ "clip-path", "color-profile", "cursor", "fill", "filter", "marker", "marker-end", "marker-mid", "marker-start", "mask", "stroke", ])
- SVG_ALLOW_LOCAL_HREF =
Set.new([ "altGlyph", "animate", "animateColor", "animateMotion", "animateTransform", "cursor", "feImage", "filter", "linearGradient", "pattern", "radialGradient", "set", "textpath", "tref", "use", ])
- ACCEPTABLE_CSS_PROPERTIES =
Set.new([ "azimuth", "align-content", "align-items", "align-self", "aspect-ratio", "background-color", "border-bottom-color", "border-collapse", "border-color", "border-left-color", "border-right-color", "border-top-color", "clear", "color", "cursor", "direction", "display", "elevation", "flex", "flex-basis", "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap", "float", "font", "font-family", "font-size", "font-style", "font-variant", "font-weight", "height", "justify-content", "letter-spacing", "line-height", "list-style", "list-style-type", "max-height", "max-width", "min-height", "min-width", "order", "overflow", "overflow-x", "overflow-y", "page-break-after", "page-break-before", "page-break-inside", "pause", "pause-after", "pause-before", "pitch", "pitch-range", "richness", "speak", "speak-header", "speak-numeral", "speak-punctuation", "speech-rate", "stress", "text-align", "text-decoration", "text-indent", "unicode-bidi", "vertical-align", "voice-family", "volume", "white-space", "width", ])
- ACCEPTABLE_CSS_KEYWORDS =
Set.new([ "!important", "auto", "block", "bold", "both", "bottom", "center", "collapse", "dashed", "dotted", "double", "groove", "hidden", "inherit", "initial", "inset", "italic", "left", "medium", "none", "normal", "nowrap", "outset", "pointer", "revert", "ridge", "right", "separate", "solid", "thick", "thin", "top", "transparent", "underline", "unset", ])
- ACCEPTABLE_CSS_COLORS =
Set.new([ "aqua", "black", "blue", "fuchsia", "gray", "green", "lime", "maroon", "navy", "olive", "purple", "red", "silver", "teal", "white", "yellow", ])
- ACCEPTABLE_CSS_EXTENDED_COLORS =
Set.new([ "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige", "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown", "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue", "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod", "darkgray", "darkgreen", "darkgrey", "darkkhaki", "darkmagenta", "darkolivegreen", "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen", "darkslateblue", "darkslategray", "darkslategrey", "darkturquoise", "darkviolet", "deeppink", "deepskyblue", "dimgray", "dimgrey", "dodgerblue", "firebrick", "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite", "gold", "goldenrod", "gray", "green", "greenyellow", "grey", "honeydew", "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender", "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral", "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightgrey", "lightpink", "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray", "lightslategrey", "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta", "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple", "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise", "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin", "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered", "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred", "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue", "purple", "red", "rosybrown", "royalblue", "saddlebrown", "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue", "slateblue", "slategray", "slategrey", "snow", "springgreen", "steelblue", "tan", "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white", "whitesmoke", "yellow", "yellowgreen", ])
- ACCEPTABLE_CSS_FUNCTIONS =
see www.quackit.com/css/functions/ omit ‘url` and `image` from that list
Set.new([ "attr", "blur", "brightness", "calc", "circle", "contrast", "counter", "counters", "cubic-bezier", "drop-shadow", "ellipse", "grayscale", "hsl", "hsla", "hue-rotate", "hwb", "inset", "invert", "linear-gradient", "matrix", "matrix3d", "opacity", "perspective", "polygon", "radial-gradient", "repeating-linear-gradient", "repeating-radial-gradient", "rgb", "rgba", "rotate", "rotate3d", "rotateX", "rotateY", "rotateZ", "saturate", "sepia", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "skew", "skewX", "skewY", "symbols", "translate", "translate3d", "translateX", "translateY", "translateZ", ])
- SHORTHAND_CSS_PROPERTIES =
Set.new([ "background", "border", "margin", "padding", ])
- ACCEPTABLE_SVG_PROPERTIES =
Set.new([ "fill", "fill-opacity", "fill-rule", "stroke", "stroke-width", "stroke-linecap", "stroke-linejoin", "stroke-opacity", ])
- PROTOCOL_SEPARATOR =
/:|(�*58)|(p)|(�*3a)|(%|%)3A/i- ACCEPTABLE_PROTOCOLS =
Set.new([ "afs", "aim", "callto", "data", "ed2k", "fax", "feed", "ftp", "gopher", "http", "https", "irc", "line", "mailto", "modem", "news", "nntp", "rsync", "rtsp", "sftp", "sms", "ssh", "tag", "tel", "telnet", "urn", "webcal", "xmpp", ])
- ACCEPTABLE_URI_DATA_MEDIATYPES =
Set.new([ "image/gif", "image/jpeg", "image/png", "text/css", "text/plain", ])
- ALLOWED_ELEMENTS =
subclasses may define their own versions of these constants
ACCEPTABLE_ELEMENTS + MATHML_ELEMENTS + SVG_ELEMENTS
- ALLOWED_ATTRIBUTES =
ACCEPTABLE_ATTRIBUTES + MATHML_ATTRIBUTES + SVG_ATTRIBUTES + ARIA_ATTRIBUTES
- ALLOWED_CSS_PROPERTIES =
ACCEPTABLE_CSS_PROPERTIES- ALLOWED_CSS_KEYWORDS =
ACCEPTABLE_CSS_KEYWORDS + ACCEPTABLE_CSS_COLORS + ACCEPTABLE_CSS_EXTENDED_COLORS
- ALLOWED_CSS_FUNCTIONS =
ACCEPTABLE_CSS_FUNCTIONS- ALLOWED_SVG_PROPERTIES =
ACCEPTABLE_SVG_PROPERTIES- ALLOWED_PROTOCOLS =
ACCEPTABLE_PROTOCOLS- ALLOWED_URI_DATA_MEDIATYPES =
ACCEPTABLE_URI_DATA_MEDIATYPES- VOID_ELEMENTS =
TODO: remove VOID_ELEMENTS in a future major release and put it in the tests (it is used only for testing, not for functional behavior)
Set.new([ "area", "br", "hr", "img", "input", ])
- TAGS_SAFE_WITH_LIBXML2 =
additional tags we should consider safe since we have libxml2 fixing up our documents.
Set.new([ "body", "head", "html", ])
- ALLOWED_ELEMENTS_WITH_LIBXML2 =
ALLOWED_ELEMENTS + TAGS_SAFE_WITH_LIBXML2