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content/base/src/nsTreeSanitizer.cpp@deefc01c0e14 (annotated)

content/base/src/nsTreeSanitizer.cpp

Thu, 15 Jan 2015 21:03:48 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 21:03:48 +0100

branch

TOR_BUG_9701

changeset 11

deefc01c0e14

permissions

-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim: set sw=2 ts=2 et tw=80: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "mozilla/ArrayUtils.h"
michael@0	8
michael@0	9	#include "nsTreeSanitizer.h"
michael@0	10	#include "nsCSSParser.h"
michael@0	11	#include "nsCSSProperty.h"
michael@0	12	#include "mozilla/css/Declaration.h"
michael@0	13	#include "mozilla/css/StyleRule.h"
michael@0	14	#include "mozilla/css/Rule.h"
michael@0	15	#include "nsUnicharInputStream.h"
michael@0	16	#include "nsCSSStyleSheet.h"
michael@0	17	#include "nsIDOMCSSRule.h"
michael@0	18	#include "nsAttrName.h"
michael@0	19	#include "nsIScriptSecurityManager.h"
michael@0	20	#include "nsNetUtil.h"
michael@0	21	#include "nsComponentManagerUtils.h"
michael@0	22	#include "nsNullPrincipal.h"
michael@0	23	#include "nsContentUtils.h"
michael@0	24	#include "nsIParserUtils.h"
michael@0	25	#include "nsIDocument.h"
michael@0	26
michael@0	27	using namespace mozilla;
michael@0	28
michael@0	29	//
michael@0	30	// Thanks to Mark Pilgrim and Sam Ruby for the initial whitelist
michael@0	31	//
michael@0	32	nsIAtom** const kElementsHTML[] = {
michael@0	33	&nsGkAtoms::a,
michael@0	34	&nsGkAtoms::abbr,
michael@0	35	&nsGkAtoms::acronym,
michael@0	36	&nsGkAtoms::address,
michael@0	37	&nsGkAtoms::area,
michael@0	38	&nsGkAtoms::article,
michael@0	39	&nsGkAtoms::aside,
michael@0	40	&nsGkAtoms::audio,
michael@0	41	&nsGkAtoms::b,
michael@0	42	&nsGkAtoms::bdi,
michael@0	43	&nsGkAtoms::bdo,
michael@0	44	&nsGkAtoms::big,
michael@0	45	&nsGkAtoms::blockquote,
michael@0	46	// body checked specially
michael@0	47	&nsGkAtoms::br,
michael@0	48	&nsGkAtoms::button,
michael@0	49	&nsGkAtoms::canvas,
michael@0	50	&nsGkAtoms::caption,
michael@0	51	&nsGkAtoms::center,
michael@0	52	&nsGkAtoms::cite,
michael@0	53	&nsGkAtoms::code,
michael@0	54	&nsGkAtoms::col,
michael@0	55	&nsGkAtoms::colgroup,
michael@0	56	&nsGkAtoms::command,
michael@0	57	&nsGkAtoms::datalist,
michael@0	58	&nsGkAtoms::dd,
michael@0	59	&nsGkAtoms::del,
michael@0	60	&nsGkAtoms::details,
michael@0	61	&nsGkAtoms::dfn,
michael@0	62	&nsGkAtoms::dir,
michael@0	63	&nsGkAtoms::div,
michael@0	64	&nsGkAtoms::dl,
michael@0	65	&nsGkAtoms::dt,
michael@0	66	&nsGkAtoms::em,
michael@0	67	&nsGkAtoms::fieldset,
michael@0	68	&nsGkAtoms::figcaption,
michael@0	69	&nsGkAtoms::figure,
michael@0	70	&nsGkAtoms::font,
michael@0	71	&nsGkAtoms::footer,
michael@0	72	&nsGkAtoms::form,
michael@0	73	&nsGkAtoms::h1,
michael@0	74	&nsGkAtoms::h2,
michael@0	75	&nsGkAtoms::h3,
michael@0	76	&nsGkAtoms::h4,
michael@0	77	&nsGkAtoms::h5,
michael@0	78	&nsGkAtoms::h6,
michael@0	79	// head checked specially
michael@0	80	&nsGkAtoms::header,
michael@0	81	&nsGkAtoms::hgroup,
michael@0	82	&nsGkAtoms::hr,
michael@0	83	// html checked specially
michael@0	84	&nsGkAtoms::i,
michael@0	85	&nsGkAtoms::img,
michael@0	86	&nsGkAtoms::input,
michael@0	87	&nsGkAtoms::ins,
michael@0	88	&nsGkAtoms::kbd,
michael@0	89	&nsGkAtoms::label,
michael@0	90	&nsGkAtoms::legend,
michael@0	91	&nsGkAtoms::li,
michael@0	92	&nsGkAtoms::link,
michael@0	93	&nsGkAtoms::listing,
michael@0	94	&nsGkAtoms::map,
michael@0	95	&nsGkAtoms::mark,
michael@0	96	&nsGkAtoms::menu,
michael@0	97	&nsGkAtoms::meta,
michael@0	98	&nsGkAtoms::meter,
michael@0	99	&nsGkAtoms::nav,
michael@0	100	&nsGkAtoms::nobr,
michael@0	101	&nsGkAtoms::noscript,
michael@0	102	&nsGkAtoms::ol,
michael@0	103	&nsGkAtoms::optgroup,
michael@0	104	&nsGkAtoms::option,
michael@0	105	&nsGkAtoms::output,
michael@0	106	&nsGkAtoms::p,
michael@0	107	&nsGkAtoms::pre,
michael@0	108	&nsGkAtoms::progress,
michael@0	109	&nsGkAtoms::q,
michael@0	110	&nsGkAtoms::rp,
michael@0	111	&nsGkAtoms::rt,
michael@0	112	&nsGkAtoms::ruby,
michael@0	113	&nsGkAtoms::s,
michael@0	114	&nsGkAtoms::samp,
michael@0	115	&nsGkAtoms::section,
michael@0	116	&nsGkAtoms::select,
michael@0	117	&nsGkAtoms::small,
michael@0	118	&nsGkAtoms::source,
michael@0	119	&nsGkAtoms::span,
michael@0	120	&nsGkAtoms::strike,
michael@0	121	&nsGkAtoms::strong,
michael@0	122	&nsGkAtoms::sub,
michael@0	123	&nsGkAtoms::summary,
michael@0	124	&nsGkAtoms::sup,
michael@0	125	// style checked specially
michael@0	126	&nsGkAtoms::table,
michael@0	127	&nsGkAtoms::tbody,
michael@0	128	&nsGkAtoms::td,
michael@0	129	&nsGkAtoms::textarea,
michael@0	130	&nsGkAtoms::tfoot,
michael@0	131	&nsGkAtoms::th,
michael@0	132	&nsGkAtoms::thead,
michael@0	133	&nsGkAtoms::time,
michael@0	134	// title checked specially
michael@0	135	&nsGkAtoms::tr,
michael@0	136	&nsGkAtoms::track,
michael@0	137	&nsGkAtoms::tt,
michael@0	138	&nsGkAtoms::u,
michael@0	139	&nsGkAtoms::ul,
michael@0	140	&nsGkAtoms::var,
michael@0	141	&nsGkAtoms::video,
michael@0	142	&nsGkAtoms::wbr,
michael@0	143	nullptr
michael@0	144	};
michael@0	145
michael@0	146	nsIAtom** const kAttributesHTML[] = {
michael@0	147	&nsGkAtoms::abbr,
michael@0	148	&nsGkAtoms::accept,
michael@0	149	&nsGkAtoms::acceptcharset,
michael@0	150	&nsGkAtoms::accesskey,
michael@0	151	&nsGkAtoms::action,
michael@0	152	&nsGkAtoms::alt,
michael@0	153	&nsGkAtoms::autocomplete,
michael@0	154	&nsGkAtoms::autofocus,
michael@0	155	&nsGkAtoms::autoplay,
michael@0	156	&nsGkAtoms::axis,
michael@0	157	&nsGkAtoms::_char,
michael@0	158	&nsGkAtoms::charoff,
michael@0	159	&nsGkAtoms::charset,
michael@0	160	&nsGkAtoms::checked,
michael@0	161	&nsGkAtoms::cite,
michael@0	162	&nsGkAtoms::_class,
michael@0	163	&nsGkAtoms::cols,
michael@0	164	&nsGkAtoms::colspan,
michael@0	165	&nsGkAtoms::content,
michael@0	166	&nsGkAtoms::contenteditable,
michael@0	167	&nsGkAtoms::contextmenu,
michael@0	168	&nsGkAtoms::controls,
michael@0	169	&nsGkAtoms::coords,
michael@0	170	&nsGkAtoms::datetime,
michael@0	171	&nsGkAtoms::dir,
michael@0	172	&nsGkAtoms::disabled,
michael@0	173	&nsGkAtoms::draggable,
michael@0	174	&nsGkAtoms::enctype,
michael@0	175	&nsGkAtoms::face,
michael@0	176	&nsGkAtoms::_for,
michael@0	177	&nsGkAtoms::frame,
michael@0	178	&nsGkAtoms::headers,
michael@0	179	&nsGkAtoms::height,
michael@0	180	&nsGkAtoms::hidden,
michael@0	181	&nsGkAtoms::high,
michael@0	182	&nsGkAtoms::href,
michael@0	183	&nsGkAtoms::hreflang,
michael@0	184	&nsGkAtoms::icon,
michael@0	185	&nsGkAtoms::id,
michael@0	186	&nsGkAtoms::ismap,
michael@0	187	&nsGkAtoms::itemid,
michael@0	188	&nsGkAtoms::itemprop,
michael@0	189	&nsGkAtoms::itemref,
michael@0	190	&nsGkAtoms::itemscope,
michael@0	191	&nsGkAtoms::itemtype,
michael@0	192	&nsGkAtoms::kind,
michael@0	193	&nsGkAtoms::label,
michael@0	194	&nsGkAtoms::lang,
michael@0	195	&nsGkAtoms::list,
michael@0	196	&nsGkAtoms::longdesc,
michael@0	197	&nsGkAtoms::loop,
michael@0	198	&nsGkAtoms::low,
michael@0	199	&nsGkAtoms::max,
michael@0	200	&nsGkAtoms::maxlength,
michael@0	201	&nsGkAtoms::media,
michael@0	202	&nsGkAtoms::method,
michael@0	203	&nsGkAtoms::min,
michael@0	204	&nsGkAtoms::mozdonotsend,
michael@0	205	&nsGkAtoms::multiple,
michael@0	206	&nsGkAtoms::muted,
michael@0	207	&nsGkAtoms::name,
michael@0	208	&nsGkAtoms::nohref,
michael@0	209	&nsGkAtoms::novalidate,
michael@0	210	&nsGkAtoms::nowrap,
michael@0	211	&nsGkAtoms::open,
michael@0	212	&nsGkAtoms::optimum,
michael@0	213	&nsGkAtoms::pattern,
michael@0	214	&nsGkAtoms::placeholder,
michael@0	215	&nsGkAtoms::playbackrate,
michael@0	216	&nsGkAtoms::poster,
michael@0	217	&nsGkAtoms::preload,
michael@0	218	&nsGkAtoms::prompt,
michael@0	219	&nsGkAtoms::pubdate,
michael@0	220	&nsGkAtoms::radiogroup,
michael@0	221	&nsGkAtoms::readonly,
michael@0	222	&nsGkAtoms::rel,
michael@0	223	&nsGkAtoms::required,
michael@0	224	&nsGkAtoms::rev,
michael@0	225	&nsGkAtoms::reversed,
michael@0	226	&nsGkAtoms::role,
michael@0	227	&nsGkAtoms::rows,
michael@0	228	&nsGkAtoms::rowspan,
michael@0	229	&nsGkAtoms::rules,
michael@0	230	&nsGkAtoms::scoped,
michael@0	231	&nsGkAtoms::scope,
michael@0	232	&nsGkAtoms::selected,
michael@0	233	&nsGkAtoms::shape,
michael@0	234	&nsGkAtoms::span,
michael@0	235	&nsGkAtoms::spellcheck,
michael@0	236	&nsGkAtoms::src,
michael@0	237	&nsGkAtoms::srclang,
michael@0	238	&nsGkAtoms::start,
michael@0	239	&nsGkAtoms::summary,
michael@0	240	&nsGkAtoms::tabindex,
michael@0	241	&nsGkAtoms::target,
michael@0	242	&nsGkAtoms::title,
michael@0	243	&nsGkAtoms::type,
michael@0	244	&nsGkAtoms::usemap,
michael@0	245	&nsGkAtoms::value,
michael@0	246	&nsGkAtoms::width,
michael@0	247	&nsGkAtoms::wrap,
michael@0	248	nullptr
michael@0	249	};
michael@0	250
michael@0	251	nsIAtom** const kPresAttributesHTML[] = {
michael@0	252	&nsGkAtoms::align,
michael@0	253	&nsGkAtoms::background,
michael@0	254	&nsGkAtoms::bgcolor,
michael@0	255	&nsGkAtoms::border,
michael@0	256	&nsGkAtoms::cellpadding,
michael@0	257	&nsGkAtoms::cellspacing,
michael@0	258	&nsGkAtoms::color,
michael@0	259	&nsGkAtoms::compact,
michael@0	260	&nsGkAtoms::clear,
michael@0	261	&nsGkAtoms::hspace,
michael@0	262	&nsGkAtoms::noshade,
michael@0	263	&nsGkAtoms::pointSize,
michael@0	264	&nsGkAtoms::size,
michael@0	265	&nsGkAtoms::valign,
michael@0	266	&nsGkAtoms::vspace,
michael@0	267	nullptr
michael@0	268	};
michael@0	269
michael@0	270	nsIAtom** const kURLAttributesHTML[] = {
michael@0	271	&nsGkAtoms::action,
michael@0	272	&nsGkAtoms::href,
michael@0	273	&nsGkAtoms::src,
michael@0	274	&nsGkAtoms::longdesc,
michael@0	275	&nsGkAtoms::cite,
michael@0	276	&nsGkAtoms::background,
michael@0	277	nullptr
michael@0	278	};
michael@0	279
michael@0	280	nsIAtom** const kElementsSVG[] = {
michael@0	281	&nsGkAtoms::a, // a
michael@0	282	&nsGkAtoms::altGlyph, // altGlyph
michael@0	283	&nsGkAtoms::altGlyphDef, // altGlyphDef
michael@0	284	&nsGkAtoms::altGlyphItem, // altGlyphItem
michael@0	285	&nsGkAtoms::animate, // animate
michael@0	286	&nsGkAtoms::animateColor, // animateColor
michael@0	287	&nsGkAtoms::animateMotion, // animateMotion
michael@0	288	&nsGkAtoms::animateTransform, // animateTransform
michael@0	289	&nsGkAtoms::circle, // circle
michael@0	290	&nsGkAtoms::clipPath, // clipPath
michael@0	291	&nsGkAtoms::colorProfile, // color-profile
michael@0	292	&nsGkAtoms::cursor, // cursor
michael@0	293	&nsGkAtoms::defs, // defs
michael@0	294	&nsGkAtoms::desc, // desc
michael@0	295	&nsGkAtoms::ellipse, // ellipse
michael@0	296	&nsGkAtoms::elevation, // elevation
michael@0	297	&nsGkAtoms::erode, // erode
michael@0	298	&nsGkAtoms::ex, // ex
michael@0	299	&nsGkAtoms::exact, // exact
michael@0	300	&nsGkAtoms::exponent, // exponent
michael@0	301	&nsGkAtoms::feBlend, // feBlend
michael@0	302	&nsGkAtoms::feColorMatrix, // feColorMatrix
michael@0	303	&nsGkAtoms::feComponentTransfer, // feComponentTransfer
michael@0	304	&nsGkAtoms::feComposite, // feComposite
michael@0	305	&nsGkAtoms::feConvolveMatrix, // feConvolveMatrix
michael@0	306	&nsGkAtoms::feDiffuseLighting, // feDiffuseLighting
michael@0	307	&nsGkAtoms::feDisplacementMap, // feDisplacementMap
michael@0	308	&nsGkAtoms::feDistantLight, // feDistantLight
michael@0	309	&nsGkAtoms::feDropShadow, // feDropShadow
michael@0	310	&nsGkAtoms::feFlood, // feFlood
michael@0	311	&nsGkAtoms::feFuncA, // feFuncA
michael@0	312	&nsGkAtoms::feFuncB, // feFuncB
michael@0	313	&nsGkAtoms::feFuncG, // feFuncG
michael@0	314	&nsGkAtoms::feFuncR, // feFuncR
michael@0	315	&nsGkAtoms::feGaussianBlur, // feGaussianBlur
michael@0	316	&nsGkAtoms::feImage, // feImage
michael@0	317	&nsGkAtoms::feMerge, // feMerge
michael@0	318	&nsGkAtoms::feMergeNode, // feMergeNode
michael@0	319	&nsGkAtoms::feMorphology, // feMorphology
michael@0	320	&nsGkAtoms::feOffset, // feOffset
michael@0	321	&nsGkAtoms::fePointLight, // fePointLight
michael@0	322	&nsGkAtoms::feSpecularLighting, // feSpecularLighting
michael@0	323	&nsGkAtoms::feSpotLight, // feSpotLight
michael@0	324	&nsGkAtoms::feTile, // feTile
michael@0	325	&nsGkAtoms::feTurbulence, // feTurbulence
michael@0	326	&nsGkAtoms::filter, // filter
michael@0	327	&nsGkAtoms::font, // font
michael@0	328	&nsGkAtoms::font_face, // font-face
michael@0	329	&nsGkAtoms::font_face_format, // font-face-format
michael@0	330	&nsGkAtoms::font_face_name, // font-face-name
michael@0	331	&nsGkAtoms::font_face_src, // font-face-src
michael@0	332	&nsGkAtoms::font_face_uri, // font-face-uri
michael@0	333	&nsGkAtoms::foreignObject, // foreignObject
michael@0	334	&nsGkAtoms::g, // g
michael@0	335	&nsGkAtoms::glyph, // glyph
michael@0	336	&nsGkAtoms::glyphRef, // glyphRef
michael@0	337	&nsGkAtoms::hkern, // hkern
michael@0	338	&nsGkAtoms::image, // image
michael@0	339	&nsGkAtoms::line, // line
michael@0	340	&nsGkAtoms::linearGradient, // linearGradient
michael@0	341	&nsGkAtoms::marker, // marker
michael@0	342	&nsGkAtoms::mask, // mask
michael@0	343	&nsGkAtoms::metadata, // metadata
michael@0	344	&nsGkAtoms::missingGlyph, // missingGlyph
michael@0	345	&nsGkAtoms::mpath, // mpath
michael@0	346	&nsGkAtoms::path, // path
michael@0	347	&nsGkAtoms::pattern, // pattern
michael@0	348	&nsGkAtoms::polygon, // polygon
michael@0	349	&nsGkAtoms::polyline, // polyline
michael@0	350	&nsGkAtoms::radialGradient, // radialGradient
michael@0	351	&nsGkAtoms::rect, // rect
michael@0	352	&nsGkAtoms::set, // set
michael@0	353	&nsGkAtoms::stop, // stop
michael@0	354	&nsGkAtoms::svg, // svg
michael@0	355	&nsGkAtoms::svgSwitch, // switch
michael@0	356	&nsGkAtoms::symbol, // symbol
michael@0	357	&nsGkAtoms::text, // text
michael@0	358	&nsGkAtoms::textPath, // textPath
michael@0	359	&nsGkAtoms::title, // title
michael@0	360	&nsGkAtoms::tref, // tref
michael@0	361	&nsGkAtoms::tspan, // tspan
michael@0	362	&nsGkAtoms::use, // use
michael@0	363	&nsGkAtoms::view, // view
michael@0	364	&nsGkAtoms::vkern, // vkern
michael@0	365	nullptr
michael@0	366	};
michael@0	367
michael@0	368	nsIAtom** const kAttributesSVG[] = {
michael@0	369	// accent-height
michael@0	370	&nsGkAtoms::accumulate, // accumulate
michael@0	371	&nsGkAtoms::additive, // additive
michael@0	372	&nsGkAtoms::alignment_baseline, // alignment-baseline
michael@0	373	// alphabetic
michael@0	374	&nsGkAtoms::amplitude, // amplitude
michael@0	375	// arabic-form
michael@0	376	// ascent
michael@0	377	&nsGkAtoms::attributeName, // attributeName
michael@0	378	&nsGkAtoms::attributeType, // attributeType
michael@0	379	&nsGkAtoms::azimuth, // azimuth
michael@0	380	&nsGkAtoms::baseFrequency, // baseFrequency
michael@0	381	&nsGkAtoms::baseline_shift, // baseline-shift
michael@0	382	// baseProfile
michael@0	383	// bbox
michael@0	384	&nsGkAtoms::begin, // begin
michael@0	385	&nsGkAtoms::bias, // bias
michael@0	386	&nsGkAtoms::by, // by
michael@0	387	&nsGkAtoms::calcMode, // calcMode
michael@0	388	// cap-height
michael@0	389	&nsGkAtoms::_class, // class
michael@0	390	&nsGkAtoms::clip_path, // clip-path
michael@0	391	&nsGkAtoms::clip_rule, // clip-rule
michael@0	392	&nsGkAtoms::clipPathUnits, // clipPathUnits
michael@0	393	&nsGkAtoms::color, // color
michael@0	394	&nsGkAtoms::colorInterpolation, // color-interpolation
michael@0	395	&nsGkAtoms::colorInterpolationFilters, // color-interpolation-filters
michael@0	396	// contentScriptType
michael@0	397	// contentStyleType
michael@0	398	&nsGkAtoms::cursor, // cursor
michael@0	399	&nsGkAtoms::cx, // cx
michael@0	400	&nsGkAtoms::cy, // cy
michael@0	401	&nsGkAtoms::d, // d
michael@0	402	// descent
michael@0	403	&nsGkAtoms::diffuseConstant, // diffuseConstant
michael@0	404	&nsGkAtoms::direction, // direction
michael@0	405	&nsGkAtoms::display, // display
michael@0	406	&nsGkAtoms::divisor, // divisor
michael@0	407	&nsGkAtoms::dominant_baseline, // dominant-baseline
michael@0	408	&nsGkAtoms::dur, // dur
michael@0	409	&nsGkAtoms::dx, // dx
michael@0	410	&nsGkAtoms::dy, // dy
michael@0	411	&nsGkAtoms::edgeMode, // edgeMode
michael@0	412	&nsGkAtoms::elevation, // elevation
michael@0	413	// enable-background
michael@0	414	&nsGkAtoms::end, // end
michael@0	415	&nsGkAtoms::fill, // fill
michael@0	416	&nsGkAtoms::fill_opacity, // fill-opacity
michael@0	417	&nsGkAtoms::fill_rule, // fill-rule
michael@0	418	&nsGkAtoms::filter, // filter
michael@0	419	&nsGkAtoms::filterRes, // filterRes
michael@0	420	&nsGkAtoms::filterUnits, // filterUnits
michael@0	421	&nsGkAtoms::flood_color, // flood-color
michael@0	422	&nsGkAtoms::flood_opacity, // flood-opacity
michael@0	423	// XXX focusable
michael@0	424	&nsGkAtoms::font, // font
michael@0	425	&nsGkAtoms::font_family, // font-family
michael@0	426	&nsGkAtoms::font_size, // font-size
michael@0	427	&nsGkAtoms::font_size_adjust, // font-size-adjust
michael@0	428	&nsGkAtoms::font_stretch, // font-stretch
michael@0	429	&nsGkAtoms::font_style, // font-style
michael@0	430	&nsGkAtoms::font_variant, // font-variant
michael@0	431	&nsGkAtoms::fontWeight, // font-weight
michael@0	432	&nsGkAtoms::format, // format
michael@0	433	&nsGkAtoms::from, // from
michael@0	434	&nsGkAtoms::fx, // fx
michael@0	435	&nsGkAtoms::fy, // fy
michael@0	436	// g1
michael@0	437	// g2
michael@0	438	// glyph-name
michael@0	439	// glyphRef
michael@0	440	&nsGkAtoms::glyph_orientation_horizontal, // glyph-orientation-horizontal
michael@0	441	&nsGkAtoms::glyph_orientation_vertical, // glyph-orientation-vertical
michael@0	442	&nsGkAtoms::gradientTransform, // gradientTransform
michael@0	443	&nsGkAtoms::gradientUnits, // gradientUnits
michael@0	444	&nsGkAtoms::height, // height
michael@0	445	// horiz-adv-x
michael@0	446	// horiz-origin-x
michael@0	447	// horiz-origin-y
michael@0	448	&nsGkAtoms::id, // id
michael@0	449	// ideographic
michael@0	450	&nsGkAtoms::image_rendering, // image-rendering
michael@0	451	&nsGkAtoms::in, // in
michael@0	452	&nsGkAtoms::in2, // in2
michael@0	453	&nsGkAtoms::intercept, // intercept
michael@0	454	// k
michael@0	455	&nsGkAtoms::k1, // k1
michael@0	456	&nsGkAtoms::k2, // k2
michael@0	457	&nsGkAtoms::k3, // k3
michael@0	458	&nsGkAtoms::k4, // k4
michael@0	459	&nsGkAtoms::kerning, // kerning
michael@0	460	&nsGkAtoms::kernelMatrix, // kernelMatrix
michael@0	461	&nsGkAtoms::kernelUnitLength, // kernelUnitLength
michael@0	462	&nsGkAtoms::keyPoints, // keyPoints
michael@0	463	&nsGkAtoms::keySplines, // keySplines
michael@0	464	&nsGkAtoms::keyTimes, // keyTimes
michael@0	465	&nsGkAtoms::lang, // lang
michael@0	466	// lengthAdjust
michael@0	467	&nsGkAtoms::letter_spacing, // letter-spacing
michael@0	468	&nsGkAtoms::lighting_color, // lighting-color
michael@0	469	&nsGkAtoms::limitingConeAngle, // limitingConeAngle
michael@0	470	// local
michael@0	471	&nsGkAtoms::marker, // marker
michael@0	472	&nsGkAtoms::marker_end, // marker-end
michael@0	473	&nsGkAtoms::marker_mid, // marker-mid
michael@0	474	&nsGkAtoms::marker_start, // marker-start
michael@0	475	&nsGkAtoms::markerHeight, // markerHeight
michael@0	476	&nsGkAtoms::markerUnits, // markerUnits
michael@0	477	&nsGkAtoms::markerWidth, // markerWidth
michael@0	478	&nsGkAtoms::mask, // mask
michael@0	479	&nsGkAtoms::maskContentUnits, // maskContentUnits
michael@0	480	&nsGkAtoms::maskUnits, // maskUnits
michael@0	481	// mathematical
michael@0	482	&nsGkAtoms::max, // max
michael@0	483	&nsGkAtoms::media, // media
michael@0	484	&nsGkAtoms::method, // method
michael@0	485	&nsGkAtoms::min, // min
michael@0	486	&nsGkAtoms::mode, // mode
michael@0	487	&nsGkAtoms::name, // name
michael@0	488	&nsGkAtoms::numOctaves, // numOctaves
michael@0	489	&nsGkAtoms::offset, // offset
michael@0	490	&nsGkAtoms::opacity, // opacity
michael@0	491	&nsGkAtoms::_operator, // operator
michael@0	492	&nsGkAtoms::order, // order
michael@0	493	&nsGkAtoms::orient, // orient
michael@0	494	&nsGkAtoms::orientation, // orientation
michael@0	495	// origin
michael@0	496	// overline-position
michael@0	497	// overline-thickness
michael@0	498	&nsGkAtoms::overflow, // overflow
michael@0	499	// panose-1
michael@0	500	&nsGkAtoms::path, // path
michael@0	501	&nsGkAtoms::pathLength, // pathLength
michael@0	502	&nsGkAtoms::patternContentUnits, // patternContentUnits
michael@0	503	&nsGkAtoms::patternTransform, // patternTransform
michael@0	504	&nsGkAtoms::patternUnits, // patternUnits
michael@0	505	&nsGkAtoms::pointer_events, // pointer-events XXX is this safe?
michael@0	506	&nsGkAtoms::points, // points
michael@0	507	&nsGkAtoms::pointsAtX, // pointsAtX
michael@0	508	&nsGkAtoms::pointsAtY, // pointsAtY
michael@0	509	&nsGkAtoms::pointsAtZ, // pointsAtZ
michael@0	510	&nsGkAtoms::preserveAlpha, // preserveAlpha
michael@0	511	&nsGkAtoms::preserveAspectRatio, // preserveAspectRatio
michael@0	512	&nsGkAtoms::primitiveUnits, // primitiveUnits
michael@0	513	&nsGkAtoms::r, // r
michael@0	514	&nsGkAtoms::radius, // radius
michael@0	515	&nsGkAtoms::refX, // refX
michael@0	516	&nsGkAtoms::refY, // refY
michael@0	517	&nsGkAtoms::repeatCount, // repeatCount
michael@0	518	&nsGkAtoms::repeatDur, // repeatDur
michael@0	519	&nsGkAtoms::requiredExtensions, // requiredExtensions
michael@0	520	&nsGkAtoms::requiredFeatures, // requiredFeatures
michael@0	521	&nsGkAtoms::restart, // restart
michael@0	522	&nsGkAtoms::result, // result
michael@0	523	&nsGkAtoms::rotate, // rotate
michael@0	524	&nsGkAtoms::rx, // rx
michael@0	525	&nsGkAtoms::ry, // ry
michael@0	526	&nsGkAtoms::scale, // scale
michael@0	527	&nsGkAtoms::seed, // seed
michael@0	528	&nsGkAtoms::shape_rendering, // shape-rendering
michael@0	529	&nsGkAtoms::slope, // slope
michael@0	530	&nsGkAtoms::spacing, // spacing
michael@0	531	&nsGkAtoms::specularConstant, // specularConstant
michael@0	532	&nsGkAtoms::specularExponent, // specularExponent
michael@0	533	&nsGkAtoms::spreadMethod, // spreadMethod
michael@0	534	&nsGkAtoms::startOffset, // startOffset
michael@0	535	&nsGkAtoms::stdDeviation, // stdDeviation
michael@0	536	// stemh
michael@0	537	// stemv
michael@0	538	&nsGkAtoms::stitchTiles, // stitchTiles
michael@0	539	&nsGkAtoms::stop_color, // stop-color
michael@0	540	&nsGkAtoms::stop_opacity, // stop-opacity
michael@0	541	// strikethrough-position
michael@0	542	// strikethrough-thickness
michael@0	543	&nsGkAtoms::string, // string
michael@0	544	&nsGkAtoms::stroke, // stroke
michael@0	545	&nsGkAtoms::stroke_dasharray, // stroke-dasharray
michael@0	546	&nsGkAtoms::stroke_dashoffset, // stroke-dashoffset
michael@0	547	&nsGkAtoms::stroke_linecap, // stroke-linecap
michael@0	548	&nsGkAtoms::stroke_linejoin, // stroke-linejoin
michael@0	549	&nsGkAtoms::stroke_miterlimit, // stroke-miterlimit
michael@0	550	&nsGkAtoms::stroke_opacity, // stroke-opacity
michael@0	551	&nsGkAtoms::stroke_width, // stroke-width
michael@0	552	&nsGkAtoms::surfaceScale, // surfaceScale
michael@0	553	&nsGkAtoms::systemLanguage, // systemLanguage
michael@0	554	&nsGkAtoms::tableValues, // tableValues
michael@0	555	&nsGkAtoms::target, // target
michael@0	556	&nsGkAtoms::targetX, // targetX
michael@0	557	&nsGkAtoms::targetY, // targetY
michael@0	558	&nsGkAtoms::text_anchor, // text-anchor
michael@0	559	&nsGkAtoms::text_decoration, // text-decoration
michael@0	560	// textLength
michael@0	561	&nsGkAtoms::text_rendering, // text-rendering
michael@0	562	&nsGkAtoms::title, // title
michael@0	563	&nsGkAtoms::to, // to
michael@0	564	&nsGkAtoms::transform, // transform
michael@0	565	&nsGkAtoms::type, // type
michael@0	566	// u1
michael@0	567	// u2
michael@0	568	// underline-position
michael@0	569	// underline-thickness
michael@0	570	// unicode
michael@0	571	&nsGkAtoms::unicode_bidi, // unicode-bidi
michael@0	572	// unicode-range
michael@0	573	// units-per-em
michael@0	574	// v-alphabetic
michael@0	575	// v-hanging
michael@0	576	// v-ideographic
michael@0	577	// v-mathematical
michael@0	578	&nsGkAtoms::values, // values
michael@0	579	&nsGkAtoms::vector_effect, // vector-effect
michael@0	580	// vert-adv-y
michael@0	581	// vert-origin-x
michael@0	582	// vert-origin-y
michael@0	583	&nsGkAtoms::viewBox, // viewBox
michael@0	584	&nsGkAtoms::viewTarget, // viewTarget
michael@0	585	&nsGkAtoms::visibility, // visibility
michael@0	586	&nsGkAtoms::width, // width
michael@0	587	// widths
michael@0	588	&nsGkAtoms::word_spacing, // word-spacing
michael@0	589	// writing-mode
michael@0	590	&nsGkAtoms::x, // x
michael@0	591	// x-height
michael@0	592	&nsGkAtoms::x1, // x1
michael@0	593	&nsGkAtoms::x2, // x2
michael@0	594	&nsGkAtoms::xChannelSelector, // xChannelSelector
michael@0	595	&nsGkAtoms::y, // y
michael@0	596	&nsGkAtoms::y1, // y1
michael@0	597	&nsGkAtoms::y2, // y2
michael@0	598	&nsGkAtoms::yChannelSelector, // yChannelSelector
michael@0	599	&nsGkAtoms::z, // z
michael@0	600	&nsGkAtoms::zoomAndPan, // zoomAndPan
michael@0	601	nullptr
michael@0	602	};
michael@0	603
michael@0	604	nsIAtom** const kURLAttributesSVG[] = {
michael@0	605	nullptr
michael@0	606	};
michael@0	607
michael@0	608	nsIAtom** const kElementsMathML[] = {
michael@0	609	&nsGkAtoms::abs_, // abs
michael@0	610	&nsGkAtoms::_and, // and
michael@0	611	&nsGkAtoms::annotation_, // annotation
michael@0	612	&nsGkAtoms::annotation_xml_, // annotation-xml
michael@0	613	&nsGkAtoms::apply_, // apply
michael@0	614	&nsGkAtoms::approx_, // approx
michael@0	615	&nsGkAtoms::arccos_, // arccos
michael@0	616	&nsGkAtoms::arccosh_, // arccosh
michael@0	617	&nsGkAtoms::arccot_, // arccot
michael@0	618	&nsGkAtoms::arccoth_, // arccoth
michael@0	619	&nsGkAtoms::arccsc_, // arccsc
michael@0	620	&nsGkAtoms::arccsch_, // arccsch
michael@0	621	&nsGkAtoms::arcsec_, // arcsec
michael@0	622	&nsGkAtoms::arcsech_, // arcsech
michael@0	623	&nsGkAtoms::arcsin_, // arcsin
michael@0	624	&nsGkAtoms::arcsinh_, // arcsinh
michael@0	625	&nsGkAtoms::arctan_, // arctan
michael@0	626	&nsGkAtoms::arctanh_, // arctanh
michael@0	627	&nsGkAtoms::arg_, // arg
michael@0	628	&nsGkAtoms::bind_, // bind
michael@0	629	&nsGkAtoms::bvar_, // bvar
michael@0	630	&nsGkAtoms::card_, // card
michael@0	631	&nsGkAtoms::cartesianproduct_, // cartesianproduct
michael@0	632	&nsGkAtoms::cbytes_, // cbytes
michael@0	633	&nsGkAtoms::ceiling, // ceiling
michael@0	634	&nsGkAtoms::cerror_, // cerror
michael@0	635	&nsGkAtoms::ci_, // ci
michael@0	636	&nsGkAtoms::cn_, // cn
michael@0	637	&nsGkAtoms::codomain_, // codomain
michael@0	638	&nsGkAtoms::complexes_, // complexes
michael@0	639	&nsGkAtoms::compose_, // compose
michael@0	640	&nsGkAtoms::condition_, // condition
michael@0	641	&nsGkAtoms::conjugate_, // conjugate
michael@0	642	&nsGkAtoms::cos_, // cos
michael@0	643	&nsGkAtoms::cosh_, // cosh
michael@0	644	&nsGkAtoms::cot_, // cot
michael@0	645	&nsGkAtoms::coth_, // coth
michael@0	646	&nsGkAtoms::cs_, // cs
michael@0	647	&nsGkAtoms::csc_, // csc
michael@0	648	&nsGkAtoms::csch_, // csch
michael@0	649	&nsGkAtoms::csymbol_, // csymbol
michael@0	650	&nsGkAtoms::curl_, // curl
michael@0	651	&nsGkAtoms::declare, // declare
michael@0	652	&nsGkAtoms::degree_, // degree
michael@0	653	&nsGkAtoms::determinant_, // determinant
michael@0	654	&nsGkAtoms::diff_, // diff
michael@0	655	&nsGkAtoms::divergence_, // divergence
michael@0	656	&nsGkAtoms::divide_, // divide
michael@0	657	&nsGkAtoms::domain_, // domain
michael@0	658	&nsGkAtoms::domainofapplication_, // domainofapplication
michael@0	659	&nsGkAtoms::el_, // el
michael@0	660	&nsGkAtoms::emptyset_, // emptyset
michael@0	661	&nsGkAtoms::eq_, // eq
michael@0	662	&nsGkAtoms::equivalent_, // equivalent
michael@0	663	&nsGkAtoms::eulergamma_, // eulergamma
michael@0	664	&nsGkAtoms::exists_, // exists
michael@0	665	&nsGkAtoms::exp_, // exp
michael@0	666	&nsGkAtoms::exponentiale_, // exponentiale
michael@0	667	&nsGkAtoms::factorial_, // factorial
michael@0	668	&nsGkAtoms::factorof_, // factorof
michael@0	669	&nsGkAtoms::_false, // false
michael@0	670	&nsGkAtoms::floor, // floor
michael@0	671	&nsGkAtoms::fn_, // fn
michael@0	672	&nsGkAtoms::forall_, // forall
michael@0	673	&nsGkAtoms::gcd_, // gcd
michael@0	674	&nsGkAtoms::geq_, // geq
michael@0	675	&nsGkAtoms::grad, // grad
michael@0	676	&nsGkAtoms::gt_, // gt
michael@0	677	&nsGkAtoms::ident_, // ident
michael@0	678	&nsGkAtoms::image, // image
michael@0	679	&nsGkAtoms::imaginary_, // imaginary
michael@0	680	&nsGkAtoms::imaginaryi_, // imaginaryi
michael@0	681	&nsGkAtoms::implies_, // implies
michael@0	682	&nsGkAtoms::in, // in
michael@0	683	&nsGkAtoms::infinity, // infinity
michael@0	684	&nsGkAtoms::int_, // int
michael@0	685	&nsGkAtoms::integers_, // integers
michael@0	686	&nsGkAtoms::intersect_, // intersect
michael@0	687	&nsGkAtoms::interval_, // interval
michael@0	688	&nsGkAtoms::inverse_, // inverse
michael@0	689	&nsGkAtoms::lambda_, // lambda
michael@0	690	&nsGkAtoms::laplacian_, // laplacian
michael@0	691	&nsGkAtoms::lcm_, // lcm
michael@0	692	&nsGkAtoms::leq_, // leq
michael@0	693	&nsGkAtoms::limit_, // limit
michael@0	694	&nsGkAtoms::list_, // list
michael@0	695	&nsGkAtoms::ln_, // ln
michael@0	696	&nsGkAtoms::log_, // log
michael@0	697	&nsGkAtoms::logbase_, // logbase
michael@0	698	&nsGkAtoms::lowlimit_, // lowlimit
michael@0	699	&nsGkAtoms::lt_, // lt
michael@0	700	&nsGkAtoms::maction_, // maction
michael@0	701	&nsGkAtoms::maligngroup_, // maligngroup
michael@0	702	&nsGkAtoms::malignmark_, // malignmark
michael@0	703	&nsGkAtoms::math, // math
michael@0	704	&nsGkAtoms::matrix, // matrix
michael@0	705	&nsGkAtoms::matrixrow_, // matrixrow
michael@0	706	&nsGkAtoms::max, // max
michael@0	707	&nsGkAtoms::mean_, // mean
michael@0	708	&nsGkAtoms::median_, // median
michael@0	709	&nsGkAtoms::menclose_, // menclose
michael@0	710	&nsGkAtoms::merror_, // merror
michael@0	711	&nsGkAtoms::mfenced_, // mfenced
michael@0	712	&nsGkAtoms::mfrac_, // mfrac
michael@0	713	&nsGkAtoms::mglyph_, // mglyph
michael@0	714	&nsGkAtoms::mi_, // mi
michael@0	715	&nsGkAtoms::min, // min
michael@0	716	&nsGkAtoms::minus_, // minus
michael@0	717	&nsGkAtoms::mlabeledtr_, // mlabeledtr
michael@0	718	&nsGkAtoms::mlongdiv_, // mlongdiv
michael@0	719	&nsGkAtoms::mmultiscripts_, // mmultiscripts
michael@0	720	&nsGkAtoms::mn_, // mn
michael@0	721	&nsGkAtoms::mo_, // mo
michael@0	722	&nsGkAtoms::mode, // mode
michael@0	723	&nsGkAtoms::moment_, // moment
michael@0	724	&nsGkAtoms::momentabout_, // momentabout
michael@0	725	&nsGkAtoms::mover_, // mover
michael@0	726	&nsGkAtoms::mpadded_, // mpadded
michael@0	727	&nsGkAtoms::mphantom_, // mphantom
michael@0	728	&nsGkAtoms::mprescripts_, // mprescripts
michael@0	729	&nsGkAtoms::mroot_, // mroot
michael@0	730	&nsGkAtoms::mrow_, // mrow
michael@0	731	&nsGkAtoms::ms_, // ms
michael@0	732	&nsGkAtoms::mscarries_, // mscarries
michael@0	733	&nsGkAtoms::mscarry_, // mscarry
michael@0	734	&nsGkAtoms::msgroup_, // msgroup
michael@0	735	&nsGkAtoms::msline_, // msline
michael@0	736	&nsGkAtoms::mspace_, // mspace
michael@0	737	&nsGkAtoms::msqrt_, // msqrt
michael@0	738	&nsGkAtoms::msrow_, // msrow
michael@0	739	&nsGkAtoms::mstack_, // mstack
michael@0	740	&nsGkAtoms::mstyle_, // mstyle
michael@0	741	&nsGkAtoms::msub_, // msub
michael@0	742	&nsGkAtoms::msubsup_, // msubsup
michael@0	743	&nsGkAtoms::msup_, // msup
michael@0	744	&nsGkAtoms::mtable_, // mtable
michael@0	745	&nsGkAtoms::mtd_, // mtd
michael@0	746	&nsGkAtoms::mtext_, // mtext
michael@0	747	&nsGkAtoms::mtr_, // mtr
michael@0	748	&nsGkAtoms::munder_, // munder
michael@0	749	&nsGkAtoms::munderover_, // munderover
michael@0	750	&nsGkAtoms::naturalnumbers_, // naturalnumbers
michael@0	751	&nsGkAtoms::neq_, // neq
michael@0	752	&nsGkAtoms::none, // none
michael@0	753	&nsGkAtoms::_not, // not
michael@0	754	&nsGkAtoms::notanumber_, // notanumber
michael@0	755	&nsGkAtoms::note_, // note
michael@0	756	&nsGkAtoms::notin_, // notin
michael@0	757	&nsGkAtoms::notprsubset_, // notprsubset
michael@0	758	&nsGkAtoms::notsubset_, // notsubset
michael@0	759	&nsGkAtoms::_or, // or
michael@0	760	&nsGkAtoms::otherwise, // otherwise
michael@0	761	&nsGkAtoms::outerproduct_, // outerproduct
michael@0	762	&nsGkAtoms::partialdiff_, // partialdiff
michael@0	763	&nsGkAtoms::pi_, // pi
michael@0	764	&nsGkAtoms::piece_, // piece
michael@0	765	&nsGkAtoms::piecewise_, // piecewise
michael@0	766	&nsGkAtoms::plus_, // plus
michael@0	767	&nsGkAtoms::power_, // power
michael@0	768	&nsGkAtoms::primes_, // primes
michael@0	769	&nsGkAtoms::product_, // product
michael@0	770	&nsGkAtoms::prsubset_, // prsubset
michael@0	771	&nsGkAtoms::quotient_, // quotient
michael@0	772	&nsGkAtoms::rationals_, // rationals
michael@0	773	&nsGkAtoms::real_, // real
michael@0	774	&nsGkAtoms::reals_, // reals
michael@0	775	&nsGkAtoms::reln_, // reln
michael@0	776	&nsGkAtoms::rem, // rem
michael@0	777	&nsGkAtoms::root_, // root
michael@0	778	&nsGkAtoms::scalarproduct_, // scalarproduct
michael@0	779	&nsGkAtoms::sdev_, // sdev
michael@0	780	&nsGkAtoms::sec_, // sec
michael@0	781	&nsGkAtoms::sech_, // sech
michael@0	782	&nsGkAtoms::selector_, // selector
michael@0	783	&nsGkAtoms::semantics_, // semantics
michael@0	784	&nsGkAtoms::sep_, // sep
michael@0	785	&nsGkAtoms::set_, // set
michael@0	786	&nsGkAtoms::setdiff_, // setdiff
michael@0	787	&nsGkAtoms::share_, // share
michael@0	788	&nsGkAtoms::sin_, // sin
michael@0	789	&nsGkAtoms::sinh_, // sinh
michael@0	790	&nsGkAtoms::subset_, // subset
michael@0	791	&nsGkAtoms::sum, // sum
michael@0	792	&nsGkAtoms::tan_, // tan
michael@0	793	&nsGkAtoms::tanh_, // tanh
michael@0	794	&nsGkAtoms::tendsto_, // tendsto
michael@0	795	&nsGkAtoms::times_, // times
michael@0	796	&nsGkAtoms::transpose_, // transpose
michael@0	797	&nsGkAtoms::_true, // true
michael@0	798	&nsGkAtoms::union_, // union
michael@0	799	&nsGkAtoms::uplimit_, // uplimit
michael@0	800	&nsGkAtoms::variance_, // variance
michael@0	801	&nsGkAtoms::vector_, // vector
michael@0	802	&nsGkAtoms::vectorproduct_, // vectorproduct
michael@0	803	&nsGkAtoms::xor_, // xor
michael@0	804	nullptr
michael@0	805	};
michael@0	806
michael@0	807	nsIAtom** const kAttributesMathML[] = {
michael@0	808	&nsGkAtoms::accent_, // accent
michael@0	809	&nsGkAtoms::accentunder_, // accentunder
michael@0	810	&nsGkAtoms::actiontype_, // actiontype
michael@0	811	&nsGkAtoms::align, // align
michael@0	812	&nsGkAtoms::alignmentscope_, // alignmentscope
michael@0	813	&nsGkAtoms::alt, // alt
michael@0	814	&nsGkAtoms::altimg_, // altimg
michael@0	815	&nsGkAtoms::altimg_height_, // altimg-height
michael@0	816	&nsGkAtoms::altimg_valign_, // altimg-valign
michael@0	817	&nsGkAtoms::altimg_width_, // altimg-width
michael@0	818	&nsGkAtoms::background, // background
michael@0	819	&nsGkAtoms::base, // base
michael@0	820	&nsGkAtoms::bevelled_, // bevelled
michael@0	821	&nsGkAtoms::cd_, // cd
michael@0	822	&nsGkAtoms::cdgroup_, // cdgroup
michael@0	823	&nsGkAtoms::charalign_, // charalign
michael@0	824	&nsGkAtoms::close, // close
michael@0	825	&nsGkAtoms::closure_, // closure
michael@0	826	&nsGkAtoms::color, // color
michael@0	827	&nsGkAtoms::columnalign_, // columnalign
michael@0	828	&nsGkAtoms::columnalignment_, // columnalignment
michael@0	829	&nsGkAtoms::columnlines_, // columnlines
michael@0	830	&nsGkAtoms::columnspacing_, // columnspacing
michael@0	831	&nsGkAtoms::columnspan_, // columnspan
michael@0	832	&nsGkAtoms::columnwidth_, // columnwidth
michael@0	833	&nsGkAtoms::crossout_, // crossout
michael@0	834	&nsGkAtoms::decimalpoint_, // decimalpoint
michael@0	835	&nsGkAtoms::definitionURL_, // definitionURL
michael@0	836	&nsGkAtoms::denomalign_, // denomalign
michael@0	837	&nsGkAtoms::depth_, // depth
michael@0	838	&nsGkAtoms::dir, // dir
michael@0	839	&nsGkAtoms::display, // display
michael@0	840	&nsGkAtoms::displaystyle_, // displaystyle
michael@0	841	&nsGkAtoms::edge_, // edge
michael@0	842	&nsGkAtoms::encoding, // encoding
michael@0	843	&nsGkAtoms::equalcolumns_, // equalcolumns
michael@0	844	&nsGkAtoms::equalrows_, // equalrows
michael@0	845	&nsGkAtoms::fence_, // fence
michael@0	846	&nsGkAtoms::fontfamily_, // fontfamily
michael@0	847	&nsGkAtoms::fontsize_, // fontsize
michael@0	848	&nsGkAtoms::fontstyle_, // fontstyle
michael@0	849	&nsGkAtoms::fontweight_, // fontweight
michael@0	850	&nsGkAtoms::form, // form
michael@0	851	&nsGkAtoms::frame, // frame
michael@0	852	&nsGkAtoms::framespacing_, // framespacing
michael@0	853	&nsGkAtoms::groupalign_, // groupalign
michael@0	854	&nsGkAtoms::height, // height
michael@0	855	&nsGkAtoms::href, // href
michael@0	856	&nsGkAtoms::id, // id
michael@0	857	&nsGkAtoms::indentalign_, // indentalign
michael@0	858	&nsGkAtoms::indentalignfirst_, // indentalignfirst
michael@0	859	&nsGkAtoms::indentalignlast_, // indentalignlast
michael@0	860	&nsGkAtoms::indentshift_, // indentshift
michael@0	861	&nsGkAtoms::indentshiftfirst_, // indentshiftfirst
michael@0	862	&nsGkAtoms::indenttarget_, // indenttarget
michael@0	863	&nsGkAtoms::index, // index
michael@0	864	&nsGkAtoms::integer, // integer
michael@0	865	&nsGkAtoms::largeop_, // largeop
michael@0	866	&nsGkAtoms::length, // length
michael@0	867	&nsGkAtoms::linebreak_, // linebreak
michael@0	868	&nsGkAtoms::linebreakmultchar_, // linebreakmultchar
michael@0	869	&nsGkAtoms::linebreakstyle_, // linebreakstyle
michael@0	870	&nsGkAtoms::linethickness_, // linethickness
michael@0	871	&nsGkAtoms::location_, // location
michael@0	872	&nsGkAtoms::longdivstyle_, // longdivstyle
michael@0	873	&nsGkAtoms::lquote_, // lquote
michael@0	874	&nsGkAtoms::lspace_, // lspace
michael@0	875	&nsGkAtoms::ltr, // ltr
michael@0	876	&nsGkAtoms::mathbackground_, // mathbackground
michael@0	877	&nsGkAtoms::mathcolor_, // mathcolor
michael@0	878	&nsGkAtoms::mathsize_, // mathsize
michael@0	879	&nsGkAtoms::mathvariant_, // mathvariant
michael@0	880	&nsGkAtoms::maxsize_, // maxsize
michael@0	881	&nsGkAtoms::minlabelspacing_, // minlabelspacing
michael@0	882	&nsGkAtoms::minsize_, // minsize
michael@0	883	&nsGkAtoms::movablelimits_, // movablelimits
michael@0	884	&nsGkAtoms::msgroup_, // msgroup
michael@0	885	&nsGkAtoms::name, // name
michael@0	886	&nsGkAtoms::newline, // newline
michael@0	887	&nsGkAtoms::notation_, // notation
michael@0	888	&nsGkAtoms::numalign_, // numalign
michael@0	889	&nsGkAtoms::number, // number
michael@0	890	&nsGkAtoms::open, // open
michael@0	891	&nsGkAtoms::order, // order
michael@0	892	&nsGkAtoms::other_, // other
michael@0	893	&nsGkAtoms::overflow, // overflow
michael@0	894	&nsGkAtoms::position, // position
michael@0	895	&nsGkAtoms::role, // role
michael@0	896	&nsGkAtoms::rowalign_, // rowalign
michael@0	897	&nsGkAtoms::rowlines_, // rowlines
michael@0	898	&nsGkAtoms::rowspacing_, // rowspacing
michael@0	899	&nsGkAtoms::rowspan, // rowspan
michael@0	900	&nsGkAtoms::rquote_, // rquote
michael@0	901	&nsGkAtoms::rspace_, // rspace
michael@0	902	&nsGkAtoms::schemaLocation_, // schemaLocation
michael@0	903	&nsGkAtoms::scriptlevel_, // scriptlevel
michael@0	904	&nsGkAtoms::scriptminsize_, // scriptminsize
michael@0	905	&nsGkAtoms::scriptsize_, // scriptsize
michael@0	906	&nsGkAtoms::scriptsizemultiplier_, // scriptsizemultiplier
michael@0	907	&nsGkAtoms::selection_, // selection
michael@0	908	&nsGkAtoms::separator_, // separator
michael@0	909	&nsGkAtoms::separators_, // separators
michael@0	910	&nsGkAtoms::shift_, // shift
michael@0	911	&nsGkAtoms::side_, // side
michael@0	912	&nsGkAtoms::src, // src
michael@0	913	&nsGkAtoms::stackalign_, // stackalign
michael@0	914	&nsGkAtoms::stretchy_, // stretchy
michael@0	915	&nsGkAtoms::subscriptshift_, // subscriptshift
michael@0	916	&nsGkAtoms::superscriptshift_, // superscriptshift
michael@0	917	&nsGkAtoms::symmetric_, // symmetric
michael@0	918	&nsGkAtoms::type, // type
michael@0	919	&nsGkAtoms::voffset_, // voffset
michael@0	920	&nsGkAtoms::width, // width
michael@0	921	&nsGkAtoms::xref_, // xref
michael@0	922	nullptr
michael@0	923	};
michael@0	924
michael@0	925	nsIAtom** const kURLAttributesMathML[] = {
michael@0	926	&nsGkAtoms::href,
michael@0	927	&nsGkAtoms::src,
michael@0	928	&nsGkAtoms::cdgroup_,
michael@0	929	&nsGkAtoms::altimg_,
michael@0	930	&nsGkAtoms::definitionURL_,
michael@0	931	nullptr
michael@0	932	};
michael@0	933
michael@0	934	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sElementsHTML = nullptr;
michael@0	935	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sAttributesHTML = nullptr;
michael@0	936	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sPresAttributesHTML = nullptr;
michael@0	937	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sElementsSVG = nullptr;
michael@0	938	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sAttributesSVG = nullptr;
michael@0	939	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sElementsMathML = nullptr;
michael@0	940	nsTHashtable<nsISupportsHashKey>* nsTreeSanitizer::sAttributesMathML = nullptr;
michael@0	941	nsIPrincipal* nsTreeSanitizer::sNullPrincipal = nullptr;
michael@0	942
michael@0	943	nsTreeSanitizer::nsTreeSanitizer(uint32_t aFlags)
michael@0	944	: mAllowStyles(aFlags & nsIParserUtils::SanitizerAllowStyle)
michael@0	945	, mAllowComments(aFlags & nsIParserUtils::SanitizerAllowComments)
michael@0	946	, mDropNonCSSPresentation(aFlags &
michael@0	947	nsIParserUtils::SanitizerDropNonCSSPresentation)
michael@0	948	, mDropForms(aFlags & nsIParserUtils::SanitizerDropForms)
michael@0	949	, mCidEmbedsOnly(aFlags &
michael@0	950	nsIParserUtils::SanitizerCidEmbedsOnly)
michael@0	951	, mDropMedia(aFlags & nsIParserUtils::SanitizerDropMedia)
michael@0	952	, mFullDocument(false)
michael@0	953	{
michael@0	954	if (mCidEmbedsOnly) {
michael@0	955	// Sanitizing styles for external references is not supported.
michael@0	956	mAllowStyles = false;
michael@0	957	}
michael@0	958	if (!sElementsHTML) {
michael@0	959	// Initialize lazily to avoid having to initialize at all if the user
michael@0	960	// doesn't paste HTML or load feeds.
michael@0	961	InitializeStatics();
michael@0	962	}
michael@0	963	}
michael@0	964
michael@0	965	bool
michael@0	966	nsTreeSanitizer::MustFlatten(int32_t aNamespace, nsIAtom* aLocal)
michael@0	967	{
michael@0	968	if (aNamespace == kNameSpaceID_XHTML) {
michael@0	969	if (mDropNonCSSPresentation && (nsGkAtoms::font == aLocal ||
michael@0	970	nsGkAtoms::center == aLocal)) {
michael@0	971	return true;
michael@0	972	}
michael@0	973	if (mDropForms && (nsGkAtoms::form == aLocal ||
michael@0	974	nsGkAtoms::input == aLocal ||
michael@0	975	nsGkAtoms::keygen == aLocal ||
michael@0	976	nsGkAtoms::option == aLocal ||
michael@0	977	nsGkAtoms::optgroup == aLocal)) {
michael@0	978	return true;
michael@0	979	}
michael@0	980	if (mFullDocument && (nsGkAtoms::title == aLocal ||
michael@0	981	nsGkAtoms::html == aLocal ||
michael@0	982	nsGkAtoms::head == aLocal ||
michael@0	983	nsGkAtoms::body == aLocal)) {
michael@0	984	return false;
michael@0	985	}
michael@0	986	return !sElementsHTML->GetEntry(aLocal);
michael@0	987	}
michael@0	988	if (aNamespace == kNameSpaceID_SVG) {
michael@0	989	if (mCidEmbedsOnly || mDropMedia) {
michael@0	990	// Sanitizing CSS-based URL references inside SVG presentational
michael@0	991	// attributes is not supported, so flattening for cid: embed case.
michael@0	992	return true;
michael@0	993	}
michael@0	994	return !sElementsSVG->GetEntry(aLocal);
michael@0	995	}
michael@0	996	if (aNamespace == kNameSpaceID_MathML) {
michael@0	997	return !sElementsMathML->GetEntry(aLocal);
michael@0	998	}
michael@0	999	return true;
michael@0	1000	}
michael@0	1001
michael@0	1002	bool
michael@0	1003	nsTreeSanitizer::IsURL(nsIAtom*** aURLs, nsIAtom* aLocalName)
michael@0	1004	{
michael@0	1005	nsIAtom** atomPtrPtr;
michael@0	1006	while ((atomPtrPtr = *aURLs)) {
michael@0	1007	if (*atomPtrPtr == aLocalName) {
michael@0	1008	return true;
michael@0	1009	}
michael@0	1010	++aURLs;
michael@0	1011	}
michael@0	1012	return false;
michael@0	1013	}
michael@0	1014
michael@0	1015	bool
michael@0	1016	nsTreeSanitizer::MustPrune(int32_t aNamespace,
michael@0	1017	nsIAtom* aLocal,
michael@0	1018	mozilla::dom::Element* aElement)
michael@0	1019	{
michael@0	1020	// To avoid attacks where a MathML script becomes something that gets
michael@0	1021	// serialized in a way that it parses back as an HTML script, let's just
michael@0	1022	// drop elements with the local name 'script' regardless of namespace.
michael@0	1023	if (nsGkAtoms::script == aLocal) {
michael@0	1024	return true;
michael@0	1025	}
michael@0	1026	if (aNamespace == kNameSpaceID_XHTML) {
michael@0	1027	if (nsGkAtoms::title == aLocal && !mFullDocument) {
michael@0	1028	// emulate the quirks of the old parser
michael@0	1029	return true;
michael@0	1030	}
michael@0	1031	if (mDropForms && (nsGkAtoms::select == aLocal ||
michael@0	1032	nsGkAtoms::button == aLocal ||
michael@0	1033	nsGkAtoms::datalist == aLocal)) {
michael@0	1034	return true;
michael@0	1035	}
michael@0	1036	if (mDropMedia && (nsGkAtoms::img == aLocal ||
michael@0	1037	nsGkAtoms::video == aLocal ||
michael@0	1038	nsGkAtoms::audio == aLocal ||
michael@0	1039	nsGkAtoms::source == aLocal)) {
michael@0	1040	return true;
michael@0	1041	}
michael@0	1042	if (nsGkAtoms::meta == aLocal &&
michael@0	1043	(aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::charset) ||
michael@0	1044	aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::httpEquiv))) {
michael@0	1045	// Throw away charset declarations even if they also have microdata
michael@0	1046	// which they can't validly have.
michael@0	1047	return true;
michael@0	1048	}
michael@0	1049	if (((!mFullDocument && nsGkAtoms::meta == aLocal) ||
michael@0	1050	nsGkAtoms::link == aLocal) &&
michael@0	1051	!(aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::itemprop) ||
michael@0	1052	aElement->HasAttr(kNameSpaceID_None, nsGkAtoms::itemscope))) {
michael@0	1053	// emulate old behavior for non-Microdata <meta> and <link> presumably
michael@0	1054	// in <head>. <meta> and <link> are whitelisted in order to avoid
michael@0	1055	// corrupting Microdata when they appear in <body>. Note that
michael@0	1056	// SanitizeAttributes() will remove the rel attribute from <link> and
michael@0	1057	// the name attribute from <meta>.
michael@0	1058	return true;
michael@0	1059	}
michael@0	1060	}
michael@0	1061	if (mAllowStyles) {
michael@0	1062	if (nsGkAtoms::style == aLocal && !(aNamespace == kNameSpaceID_XHTML
michael@0	1063	|| aNamespace == kNameSpaceID_SVG)) {
michael@0	1064	return true;
michael@0	1065	}
michael@0	1066	return false;
michael@0	1067	}
michael@0	1068	if (nsGkAtoms::style == aLocal) {
michael@0	1069	return true;
michael@0	1070	}
michael@0	1071	return false;
michael@0	1072	}
michael@0	1073
michael@0	1074	bool
michael@0	1075	nsTreeSanitizer::SanitizeStyleRule(mozilla::css::StyleRule *aRule,
michael@0	1076	nsAutoString &aRuleText)
michael@0	1077	{
michael@0	1078	bool didSanitize = false;
michael@0	1079	aRuleText.Truncate();
michael@0	1080	mozilla::css::Declaration* style = aRule->GetDeclaration();
michael@0	1081	if (style) {
michael@0	1082	didSanitize = style->HasProperty(eCSSProperty_binding);
michael@0	1083	style->RemoveProperty(eCSSProperty_binding);
michael@0	1084	style->ToString(aRuleText);
michael@0	1085	}
michael@0	1086	return didSanitize;
michael@0	1087	}
michael@0	1088
michael@0	1089	bool
michael@0	1090	nsTreeSanitizer::SanitizeStyleSheet(const nsAString& aOriginal,
michael@0	1091	nsAString& aSanitized,
michael@0	1092	nsIDocument* aDocument,
michael@0	1093	nsIURI* aBaseURI)
michael@0	1094	{
michael@0	1095	nsresult rv;
michael@0	1096	aSanitized.Truncate();
michael@0	1097	// aSanitized will hold the permitted CSS text.
michael@0	1098	// -moz-binding is blacklisted.
michael@0	1099	bool didSanitize = false;
michael@0	1100	// Create a sheet to hold the parsed CSS
michael@0	1101	nsRefPtr<nsCSSStyleSheet> sheet = new nsCSSStyleSheet(CORS_NONE);
michael@0	1102	sheet->SetURIs(aDocument->GetDocumentURI(), nullptr, aBaseURI);
michael@0	1103	sheet->SetPrincipal(aDocument->NodePrincipal());
michael@0	1104	// Create the CSS parser, and parse the CSS text.
michael@0	1105	nsCSSParser parser(nullptr, sheet);
michael@0	1106	rv = parser.ParseSheet(aOriginal, aDocument->GetDocumentURI(), aBaseURI,
michael@0	1107	aDocument->NodePrincipal(), 0, false);
michael@0	1108	NS_ENSURE_SUCCESS(rv, true);
michael@0	1109	// Mark the sheet as complete.
michael@0	1110	NS_ABORT_IF_FALSE(!sheet->IsModified(),
michael@0	1111	"should not get marked modified during parsing");
michael@0	1112	sheet->SetComplete();
michael@0	1113	// Loop through all the rules found in the CSS text
michael@0	1114	int32_t ruleCount = sheet->StyleRuleCount();
michael@0	1115	for (int32_t i = 0; i < ruleCount; ++i) {
michael@0	1116	mozilla::css::Rule* rule = sheet->GetStyleRuleAt(i);
michael@0	1117	if (!rule)
michael@0	1118	continue;
michael@0	1119	switch (rule->GetType()) {
michael@0	1120	default:
michael@0	1121	didSanitize = true;
michael@0	1122	// Ignore these rule types.
michael@0	1123	break;
michael@0	1124	case mozilla::css::Rule::NAMESPACE_RULE:
michael@0	1125	case mozilla::css::Rule::FONT_FACE_RULE: {
michael@0	1126	// Append @namespace and @font-face rules verbatim.
michael@0	1127	nsAutoString cssText;
michael@0	1128	nsCOMPtr<nsIDOMCSSRule> styleRule = do_QueryInterface(rule);
michael@0	1129	if (styleRule) {
michael@0	1130	rv = styleRule->GetCssText(cssText);
michael@0	1131	if (NS_SUCCEEDED(rv)) {
michael@0	1132	aSanitized.Append(cssText);
michael@0	1133	}
michael@0	1134	}
michael@0	1135	break;
michael@0	1136	}
michael@0	1137	case mozilla::css::Rule::STYLE_RULE: {
michael@0	1138	// For style rules, we will just look for and remove the
michael@0	1139	// -moz-binding properties.
michael@0	1140	nsRefPtr<mozilla::css::StyleRule> styleRule = do_QueryObject(rule);
michael@0	1141	NS_ASSERTION(styleRule, "Must be a style rule");
michael@0	1142	nsAutoString decl;
michael@0	1143	bool sanitized = SanitizeStyleRule(styleRule, decl);
michael@0	1144	didSanitize = sanitized || didSanitize;
michael@0	1145	if (!sanitized) {
michael@0	1146	styleRule->GetCssText(decl);
michael@0	1147	}
michael@0	1148	aSanitized.Append(decl);
michael@0	1149	}
michael@0	1150	}
michael@0	1151	}
michael@0	1152	return didSanitize;
michael@0	1153	}
michael@0	1154
michael@0	1155	void
michael@0	1156	nsTreeSanitizer::SanitizeAttributes(mozilla::dom::Element* aElement,
michael@0	1157	nsTHashtable<nsISupportsHashKey>* aAllowed,
michael@0	1158	nsIAtom*** aURLs,
michael@0	1159	bool aAllowXLink,
michael@0	1160	bool aAllowStyle,
michael@0	1161	bool aAllowDangerousSrc)
michael@0	1162	{
michael@0	1163	uint32_t ac = aElement->GetAttrCount();
michael@0	1164
michael@0	1165	nsresult rv;
michael@0	1166
michael@0	1167	for (int32_t i = ac - 1; i >= 0; --i) {
michael@0	1168	rv = NS_OK;
michael@0	1169	const nsAttrName* attrName = aElement->GetAttrNameAt(i);
michael@0	1170	int32_t attrNs = attrName->NamespaceID();
michael@0	1171	nsCOMPtr<nsIAtom> attrLocal = attrName->LocalName();
michael@0	1172
michael@0	1173	if (kNameSpaceID_None == attrNs) {
michael@0	1174	if (aAllowStyle && nsGkAtoms::style == attrLocal) {
michael@0	1175	nsCOMPtr<nsIURI> baseURI = aElement->GetBaseURI();
michael@0	1176	nsIDocument* document = aElement->OwnerDoc();
michael@0	1177	// Pass the CSS Loader object to the parser, to allow parser error
michael@0	1178	// reports to include the outer window ID.
michael@0	1179	nsCSSParser parser(document->CSSLoader());
michael@0	1180	nsRefPtr<mozilla::css::StyleRule> rule;
michael@0	1181	nsAutoString value;
michael@0	1182	aElement->GetAttr(attrNs, attrLocal, value);
michael@0	1183	rv = parser.ParseStyleAttribute(value,
michael@0	1184	document->GetDocumentURI(),
michael@0	1185	baseURI,
michael@0	1186	document->NodePrincipal(),
michael@0	1187	getter_AddRefs(rule));
michael@0	1188	if (NS_SUCCEEDED(rv)) {
michael@0	1189	nsAutoString cleanValue;
michael@0	1190	if (SanitizeStyleRule(rule, cleanValue)) {
michael@0	1191	aElement->SetAttr(kNameSpaceID_None,
michael@0	1192	nsGkAtoms::style,
michael@0	1193	cleanValue,
michael@0	1194	false);
michael@0	1195	}
michael@0	1196	}
michael@0	1197	continue;
michael@0	1198	}
michael@0	1199	if (aAllowDangerousSrc && nsGkAtoms::src == attrLocal) {
michael@0	1200	continue;
michael@0	1201	}
michael@0	1202	if (IsURL(aURLs, attrLocal)) {
michael@0	1203	if (SanitizeURL(aElement, attrNs, attrLocal)) {
michael@0	1204	// in case the attribute removal shuffled the attribute order, start
michael@0	1205	// the loop again.
michael@0	1206	--ac;
michael@0	1207	i = ac; // i will be decremented immediately thanks to the for loop
michael@0	1208	continue;
michael@0	1209	}
michael@0	1210	// else fall through to see if there's another reason to drop this
michael@0	1211	// attribute (in particular if the attribute is background="" on an
michael@0	1212	// HTML element)
michael@0	1213	}
michael@0	1214	if (!mDropNonCSSPresentation &&
michael@0	1215	(aAllowed == sAttributesHTML) && // element is HTML
michael@0	1216	sPresAttributesHTML->GetEntry(attrLocal)) {
michael@0	1217	continue;
michael@0	1218	}
michael@0	1219	if (aAllowed->GetEntry(attrLocal) &&
michael@0	1220	!((attrLocal == nsGkAtoms::rel &&
michael@0	1221	aElement->IsHTML(nsGkAtoms::link)) ||
michael@0	1222	(!mFullDocument &&
michael@0	1223	attrLocal == nsGkAtoms::name &&
michael@0	1224	aElement->IsHTML(nsGkAtoms::meta)))) {
michael@0	1225	// name="" and rel="" are whitelisted, but treat them as blacklisted
michael@0	1226	// for <meta name> (fragment case) and <link rel> (all cases) to avoid
michael@0	1227	// document-wide metadata or styling overrides with non-conforming
michael@0	1228	// <meta name itemprop> or
michael@0	1229	// <link rel itemprop>
michael@0	1230	continue;
michael@0	1231	}
michael@0	1232	const char16_t* localStr = attrLocal->GetUTF16String();
michael@0	1233	// Allow underscore to cater to the MCE editor library.
michael@0	1234	// Allow data-* on SVG and MathML, too, as a forward-compat measure.
michael@0	1235	if (*localStr == '_' || (attrLocal->GetLength() > 5 && localStr[0] == 'd'
michael@0	1236	&& localStr[1] == 'a' && localStr[2] == 't' && localStr[3] == 'a'
michael@0	1237	&& localStr[4] == '-')) {
michael@0	1238	continue;
michael@0	1239	}
michael@0	1240	// else not allowed
michael@0	1241	} else if (kNameSpaceID_XML == attrNs) {
michael@0	1242	if (nsGkAtoms::base == attrLocal) {
michael@0	1243	if (SanitizeURL(aElement, attrNs, attrLocal)) {
michael@0	1244	// in case the attribute removal shuffled the attribute order, start
michael@0	1245	// the loop again.
michael@0	1246	--ac;
michael@0	1247	i = ac; // i will be decremented immediately thanks to the for loop
michael@0	1248	}
michael@0	1249	continue;
michael@0	1250	}
michael@0	1251	if (nsGkAtoms::lang == attrLocal || nsGkAtoms::space == attrLocal) {
michael@0	1252	continue;
michael@0	1253	}
michael@0	1254	// else not allowed
michael@0	1255	} else if (aAllowXLink && kNameSpaceID_XLink == attrNs) {
michael@0	1256	if (nsGkAtoms::href == attrLocal) {
michael@0	1257	if (SanitizeURL(aElement, attrNs, attrLocal)) {
michael@0	1258	// in case the attribute removal shuffled the attribute order, start
michael@0	1259	// the loop again.
michael@0	1260	--ac;
michael@0	1261	i = ac; // i will be decremented immediately thanks to the for loop
michael@0	1262	}
michael@0	1263	continue;
michael@0	1264	}
michael@0	1265	if (nsGkAtoms::type == attrLocal || nsGkAtoms::title == attrLocal
michael@0	1266	|| nsGkAtoms::show == attrLocal || nsGkAtoms::actuate == attrLocal) {
michael@0	1267	continue;
michael@0	1268	}
michael@0	1269	// else not allowed
michael@0	1270	}
michael@0	1271	aElement->UnsetAttr(kNameSpaceID_None, attrLocal, false);
michael@0	1272	// in case the attribute removal shuffled the attribute order, start the
michael@0	1273	// loop again.
michael@0	1274	--ac;
michael@0	1275	i = ac; // i will be decremented immediately thanks to the for loop
michael@0	1276	}
michael@0	1277
michael@0	1278	// If we've got HTML audio or video, add the controls attribute, because
michael@0	1279	// otherwise the content is unplayable with scripts removed.
michael@0	1280	if (aElement->IsHTML(nsGkAtoms::video) ||
michael@0	1281	aElement->IsHTML(nsGkAtoms::audio)) {
michael@0	1282	aElement->SetAttr(kNameSpaceID_None,
michael@0	1283	nsGkAtoms::controls,
michael@0	1284	EmptyString(),
michael@0	1285	false);
michael@0	1286	}
michael@0	1287	}
michael@0	1288
michael@0	1289	bool
michael@0	1290	nsTreeSanitizer::SanitizeURL(mozilla::dom::Element* aElement,
michael@0	1291	int32_t aNamespace,
michael@0	1292	nsIAtom* aLocalName)
michael@0	1293	{
michael@0	1294	nsAutoString value;
michael@0	1295	aElement->GetAttr(aNamespace, aLocalName, value);
michael@0	1296
michael@0	1297	// Get value and remove mandatory quotes
michael@0	1298	static const char* kWhitespace = "\n\r\t\b";
michael@0	1299	const nsAString& v =
michael@0	1300	nsContentUtils::TrimCharsInSet(kWhitespace, value);
michael@0	1301
michael@0	1302	nsIScriptSecurityManager* secMan = nsContentUtils::GetSecurityManager();
michael@0	1303	uint32_t flags = nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL;
michael@0	1304
michael@0	1305	nsCOMPtr<nsIURI> baseURI = aElement->GetBaseURI();
michael@0	1306	nsCOMPtr<nsIURI> attrURI;
michael@0	1307	nsresult rv = NS_NewURI(getter_AddRefs(attrURI), v, nullptr, baseURI);
michael@0	1308	if (NS_SUCCEEDED(rv)) {
michael@0	1309	if (mCidEmbedsOnly &&
michael@0	1310	kNameSpaceID_None == aNamespace) {
michael@0	1311	if (nsGkAtoms::src == aLocalName || nsGkAtoms::background == aLocalName) {
michael@0	1312	// comm-central uses a hack that makes nsIURIs created with cid: specs
michael@0	1313	// actually have an about:blank spec. Therefore, nsIURI facilities are
michael@0	1314	// useless for cid: when comm-central code is participating.
michael@0	1315	if (!(v.Length() > 4 &&
michael@0	1316	(v[0] == 'c' || v[0] == 'C') &&
michael@0	1317	(v[1] == 'i' || v[1] == 'I') &&
michael@0	1318	(v[2] == 'd' || v[2] == 'D') &&
michael@0	1319	v[3] == ':')) {
michael@0	1320	rv = NS_ERROR_FAILURE;
michael@0	1321	}
michael@0	1322	} else if (nsGkAtoms::cdgroup_ == aLocalName ||
michael@0	1323	nsGkAtoms::altimg_ == aLocalName ||
michael@0	1324	nsGkAtoms::definitionURL_ == aLocalName) {
michael@0	1325	// Gecko doesn't fetch these now and shouldn't in the future, but
michael@0	1326	// in case someone goofs with these in the future, let's drop them.
michael@0	1327	rv = NS_ERROR_FAILURE;
michael@0	1328	} else {
michael@0	1329	rv = secMan->CheckLoadURIWithPrincipal(sNullPrincipal, attrURI, flags);
michael@0	1330	}
michael@0	1331	} else {
michael@0	1332	rv = secMan->CheckLoadURIWithPrincipal(sNullPrincipal, attrURI, flags);
michael@0	1333	}
michael@0	1334	}
michael@0	1335	if (NS_FAILED(rv)) {
michael@0	1336	aElement->UnsetAttr(aNamespace, aLocalName, false);
michael@0	1337	return true;
michael@0	1338	}
michael@0	1339	return false;
michael@0	1340	}
michael@0	1341
michael@0	1342	void
michael@0	1343	nsTreeSanitizer::Sanitize(nsIContent* aFragment)
michael@0	1344	{
michael@0	1345	// If you want to relax these preconditions, be sure to check the code in
michael@0	1346	// here that notifies / does not notify or that fires mutation events if
michael@0	1347	// in tree.
michael@0	1348	NS_PRECONDITION(aFragment->IsNodeOfType(nsINode::eDOCUMENT_FRAGMENT),
michael@0	1349	"Argument was not DOM fragment.");
michael@0	1350	NS_PRECONDITION(!aFragment->IsInDoc(), "The fragment is in doc?");
michael@0	1351
michael@0	1352	mFullDocument = false;
michael@0	1353	SanitizeChildren(aFragment);
michael@0	1354	}
michael@0	1355
michael@0	1356	void
michael@0	1357	nsTreeSanitizer::Sanitize(nsIDocument* aDocument)
michael@0	1358	{
michael@0	1359	// If you want to relax these preconditions, be sure to check the code in
michael@0	1360	// here that notifies / does not notify or that fires mutation events if
michael@0	1361	// in tree.
michael@0	1362	#ifdef DEBUG
michael@0	1363	NS_PRECONDITION(!aDocument->GetContainer(), "The document is in a shell.");
michael@0	1364	nsRefPtr<mozilla::dom::Element> root = aDocument->GetRootElement();
michael@0	1365	NS_PRECONDITION(root->IsHTML(nsGkAtoms::html), "Not HTML root.");
michael@0	1366	#endif
michael@0	1367
michael@0	1368	mFullDocument = true;
michael@0	1369	SanitizeChildren(aDocument);
michael@0	1370	}
michael@0	1371
michael@0	1372	void
michael@0	1373	nsTreeSanitizer::SanitizeChildren(nsINode* aRoot)
michael@0	1374	{
michael@0	1375	nsIContent* node = aRoot->GetFirstChild();
michael@0	1376	while (node) {
michael@0	1377	if (node->IsElement()) {
michael@0	1378	mozilla::dom::Element* elt = node->AsElement();
michael@0	1379	nsINodeInfo* nodeInfo = node->NodeInfo();
michael@0	1380	nsIAtom* localName = nodeInfo->NameAtom();
michael@0	1381	int32_t ns = nodeInfo->NamespaceID();
michael@0	1382
michael@0	1383	if (MustPrune(ns, localName, elt)) {
michael@0	1384	RemoveAllAttributes(node);
michael@0	1385	nsIContent* descendant = node;
michael@0	1386	while ((descendant = descendant->GetNextNode(node))) {
michael@0	1387	RemoveAllAttributes(descendant);
michael@0	1388	}
michael@0	1389	nsIContent* next = node->GetNextNonChildNode(aRoot);
michael@0	1390	node->RemoveFromParent();
michael@0	1391	node = next;
michael@0	1392	continue;
michael@0	1393	}
michael@0	1394	if (nsGkAtoms::style == localName) {
michael@0	1395	// If styles aren't allowed, style elements got pruned above. Even
michael@0	1396	// if styles are allowed, non-HTML, non-SVG style elements got pruned
michael@0	1397	// above.
michael@0	1398	NS_ASSERTION(ns == kNameSpaceID_XHTML || ns == kNameSpaceID_SVG,
michael@0	1399	"Should have only HTML or SVG here!");
michael@0	1400	nsAutoString styleText;
michael@0	1401	if (!nsContentUtils::GetNodeTextContent(node, false, styleText)) {
michael@0	1402	NS_RUNTIMEABORT("OOM");
michael@0	1403	}
michael@0	1404	nsAutoString sanitizedStyle;
michael@0	1405	nsCOMPtr<nsIURI> baseURI = node->GetBaseURI();
michael@0	1406	if (SanitizeStyleSheet(styleText,
michael@0	1407	sanitizedStyle,
michael@0	1408	aRoot->OwnerDoc(),
michael@0	1409	baseURI)) {
michael@0	1410	nsContentUtils::SetNodeTextContent(node, sanitizedStyle, true);
michael@0	1411	} else {
michael@0	1412	// If the node had non-text child nodes, this operation zaps those.
michael@0	1413	nsContentUtils::SetNodeTextContent(node, styleText, true);
michael@0	1414	}
michael@0	1415	if (ns == kNameSpaceID_XHTML) {
michael@0	1416	SanitizeAttributes(elt,
michael@0	1417	sAttributesHTML,
michael@0	1418	(nsIAtom***)kURLAttributesHTML,
michael@0	1419	false,
michael@0	1420	mAllowStyles,
michael@0	1421	false);
michael@0	1422	} else {
michael@0	1423	SanitizeAttributes(elt,
michael@0	1424	sAttributesSVG,
michael@0	1425	(nsIAtom***)kURLAttributesSVG,
michael@0	1426	true,
michael@0	1427	mAllowStyles,
michael@0	1428	false);
michael@0	1429	}
michael@0	1430	node = node->GetNextNonChildNode(aRoot);
michael@0	1431	continue;
michael@0	1432	}
michael@0	1433	if (MustFlatten(ns, localName)) {
michael@0	1434	RemoveAllAttributes(node);
michael@0	1435	nsIContent* next = node->GetNextNode(aRoot);
michael@0	1436	nsIContent* parent = node->GetParent();
michael@0	1437	nsCOMPtr<nsIContent> child; // Must keep the child alive during move
michael@0	1438	ErrorResult rv;
michael@0	1439	while ((child = node->GetFirstChild())) {
michael@0	1440	parent->InsertBefore(*child, node, rv);
michael@0	1441	if (rv.Failed()) {
michael@0	1442	break;
michael@0	1443	}
michael@0	1444	}
michael@0	1445	node->RemoveFromParent();
michael@0	1446	node = next;
michael@0	1447	continue;
michael@0	1448	}
michael@0	1449	NS_ASSERTION(ns == kNameSpaceID_XHTML ||
michael@0	1450	ns == kNameSpaceID_SVG ||
michael@0	1451	ns == kNameSpaceID_MathML,
michael@0	1452	"Should have only HTML, MathML or SVG here!");
michael@0	1453	if (ns == kNameSpaceID_XHTML) {
michael@0	1454	SanitizeAttributes(elt,
michael@0	1455	sAttributesHTML,
michael@0	1456	(nsIAtom***)kURLAttributesHTML,
michael@0	1457	false, mAllowStyles,
michael@0	1458	(nsGkAtoms::img == localName) &&
michael@0	1459	!mCidEmbedsOnly);
michael@0	1460	} else if (ns == kNameSpaceID_SVG) {
michael@0	1461	SanitizeAttributes(elt,
michael@0	1462	sAttributesSVG,
michael@0	1463	(nsIAtom***)kURLAttributesSVG,
michael@0	1464	true,
michael@0	1465	mAllowStyles,
michael@0	1466	false);
michael@0	1467	} else {
michael@0	1468	SanitizeAttributes(elt,
michael@0	1469	sAttributesMathML,
michael@0	1470	(nsIAtom***)kURLAttributesMathML,
michael@0	1471	true,
michael@0	1472	false,
michael@0	1473	false);
michael@0	1474	}
michael@0	1475	node = node->GetNextNode(aRoot);
michael@0	1476	continue;
michael@0	1477	}
michael@0	1478	NS_ASSERTION(!node->GetFirstChild(), "How come non-element node had kids?");
michael@0	1479	nsIContent* next = node->GetNextNonChildNode(aRoot);
michael@0	1480	if (!mAllowComments && node->IsNodeOfType(nsINode::eCOMMENT)) {
michael@0	1481	node->RemoveFromParent();
michael@0	1482	}
michael@0	1483	node = next;
michael@0	1484	}
michael@0	1485	}
michael@0	1486
michael@0	1487	void
michael@0	1488	nsTreeSanitizer::RemoveAllAttributes(nsIContent* aElement)
michael@0	1489	{
michael@0	1490	const nsAttrName* attrName;
michael@0	1491	while ((attrName = aElement->GetAttrNameAt(0))) {
michael@0	1492	int32_t attrNs = attrName->NamespaceID();
michael@0	1493	nsCOMPtr<nsIAtom> attrLocal = attrName->LocalName();
michael@0	1494	aElement->UnsetAttr(attrNs, attrLocal, false);
michael@0	1495	}
michael@0	1496	}
michael@0	1497
michael@0	1498	void
michael@0	1499	nsTreeSanitizer::InitializeStatics()
michael@0	1500	{
michael@0	1501	NS_PRECONDITION(!sElementsHTML, "Initializing a second time.");
michael@0	1502
michael@0	1503	sElementsHTML = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kElementsHTML));
michael@0	1504	for (uint32_t i = 0; kElementsHTML[i]; i++) {
michael@0	1505	sElementsHTML->PutEntry(*kElementsHTML[i]);
michael@0	1506	}
michael@0	1507
michael@0	1508	sAttributesHTML = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kAttributesHTML));
michael@0	1509	for (uint32_t i = 0; kAttributesHTML[i]; i++) {
michael@0	1510	sAttributesHTML->PutEntry(*kAttributesHTML[i]);
michael@0	1511	}
michael@0	1512
michael@0	1513	sPresAttributesHTML = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kPresAttributesHTML));
michael@0	1514	for (uint32_t i = 0; kPresAttributesHTML[i]; i++) {
michael@0	1515	sPresAttributesHTML->PutEntry(*kPresAttributesHTML[i]);
michael@0	1516	}
michael@0	1517
michael@0	1518	sElementsSVG = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kElementsSVG));
michael@0	1519	for (uint32_t i = 0; kElementsSVG[i]; i++) {
michael@0	1520	sElementsSVG->PutEntry(*kElementsSVG[i]);
michael@0	1521	}
michael@0	1522
michael@0	1523	sAttributesSVG = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kAttributesSVG));
michael@0	1524	for (uint32_t i = 0; kAttributesSVG[i]; i++) {
michael@0	1525	sAttributesSVG->PutEntry(*kAttributesSVG[i]);
michael@0	1526	}
michael@0	1527
michael@0	1528	sElementsMathML = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kElementsMathML));
michael@0	1529	for (uint32_t i = 0; kElementsMathML[i]; i++) {
michael@0	1530	sElementsMathML->PutEntry(*kElementsMathML[i]);
michael@0	1531	}
michael@0	1532
michael@0	1533	sAttributesMathML = new nsTHashtable<nsISupportsHashKey>(ArrayLength(kAttributesMathML));
michael@0	1534	for (uint32_t i = 0; kAttributesMathML[i]; i++) {
michael@0	1535	sAttributesMathML->PutEntry(*kAttributesMathML[i]);
michael@0	1536	}
michael@0	1537
michael@0	1538	nsCOMPtr<nsIPrincipal> principal =
michael@0	1539	do_CreateInstance(NS_NULLPRINCIPAL_CONTRACTID);
michael@0	1540	principal.forget(&sNullPrincipal);
michael@0	1541	}
michael@0	1542
michael@0	1543	void
michael@0	1544	nsTreeSanitizer::ReleaseStatics()
michael@0	1545	{
michael@0	1546	delete sElementsHTML;
michael@0	1547	sElementsHTML = nullptr;
michael@0	1548
michael@0	1549	delete sAttributesHTML;
michael@0	1550	sAttributesHTML = nullptr;
michael@0	1551
michael@0	1552	delete sPresAttributesHTML;
michael@0	1553	sPresAttributesHTML = nullptr;
michael@0	1554
michael@0	1555	delete sElementsSVG;
michael@0	1556	sElementsSVG = nullptr;
michael@0	1557
michael@0	1558	delete sAttributesSVG;
michael@0	1559	sAttributesSVG = nullptr;
michael@0	1560
michael@0	1561	delete sElementsMathML;
michael@0	1562	sElementsMathML = nullptr;
michael@0	1563
michael@0	1564	delete sAttributesMathML;
michael@0	1565	sAttributesMathML = nullptr;
michael@0	1566
michael@0	1567	NS_IF_RELEASE(sNullPrincipal);
michael@0	1568	}