1 NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
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4 = KEY ====================
10 ==========================
12 4.9.0, unknown release date
13 ! %URI.DefaultScheme can now be set to null, in which case
14 all relative paths are removed.
16 4.8.0, released 2016-07-16
17 # By default, when a link has a target attribute associated
18 with it, we now also add rel="noreferrer" in order to
19 prevent the new window from being able to overwrite
20 the original frame. To disable this protection,
21 set %HTML.TargetNoreferrer to FALSE.
22 ! Full PHP 7 compatibility, the test suite is ALL GO.
23 ! %CSS.AllowDuplicates permits duplicate CSS properties.
24 ! Support for 'tel' URIs.
25 ! Partial support for 'border-radius' properties when %CSS.AllowProprietary is true.
26 The slash syntax, i.e., 'border-radius: 2em 1em 4em / 0.5em 3em' is not
28 ! %Attr.ID.HTML5 turns on HTML5-style ID handling.
29 - alt truncation could result in malformed UTF-8 sequence. Don't
30 truncate. Thanks Brandon Farber for reporting.
31 - Linkify regex is smarter, based off of Gruber's regex.
32 - IDNA supported natively on PHP 5.3 and later.
33 - Non all-numeric top-level names (e.g., foo.1f, 1f) are now
35 - Minor bounds error fix to squash a PHP 7 notice.
36 - Support non-/tmp temporary directories for data:// validation
37 - Give a better error message when a user attempts to allow
38 ul/ol without allowing li.
39 - On some versions of PHP, the Serializer DefinitionCache could
40 infinite loop when the directory exists but is not listable. (#49)
41 - Don't match for <body> inside comments with
42 %Core.ConvertDocumentToFragment. (#67)
43 - SafeObject is now less case sensitive. (#57)
44 - AutoFormat.RemoveEmpty.Predicate now correctly renders in
47 4.7.0, released 2015-08-04
48 # opacity is now considered a "tricky" CSS property rather than a
50 ! %AutoFormat.RemoveEmpty.Predicate for specifying exactly when
51 an element should be considered "empty" (maybe preserve if it
52 has attributes), and modify iframe support so that the iframe
53 is removed if it is missing a src attribute. Thanks meeva for
55 - Don't truncate upon encountering </div> when using DOMLex. Thanks
56 Myrto Christina for finally convincing me to fix this.
57 - Update YouTube filter for new code.
58 - Fix parsing of rgb() values with spaces in them for 'border'
60 - Don't remove foo="" attributes if foo is a boolean attribute. Thanks
63 4.6.0, released 2013-11-30
64 # Secure URI munge hashing algorithm has changed to hash_hmac("sha256", $url, $secret).
65 Please update any verification scripts you may have.
66 # URI parsing algorithm was made more strict, so only prefixes which
67 looks like schemes will actually be schemes. Thanks
68 Michael Gusev <mgusev@sugarcrm.com> for fixing.
69 # %Core.EscapeInvalidChildren is no longer supported, and no longer does
71 ! New directive %Core.AllowHostnameUnderscore which allows underscores
73 - Eliminate quadratic behavior in DOMLex by using a proper queue.
74 Thanks Ole Laursen for noticing this.
75 - Rewritten MakeWellFormed/FixNesting implementation eliminates quadratic
76 behavior in the rest of the purificaiton pipeline. Thanks Chedburn
77 Networks for sponsoring this work.
78 - Made Linkify URL parser a bit less permissive, so that non-breaking
79 spaces and commas are not included as part of URL. Thanks nAS for fixing.
80 - Fix some bad interactions with %HTML.Allowed and injectors. Thanks
81 David Hirtz for reporting.
82 - Fix infinite loop in DirectLex. Thanks Ashar Javed (@soaj1664ashar)
85 4.5.0, released 2013-02-17
86 # Fix bug where stacked attribute transforms clobber each other;
87 this also means it's no longer possible to override attribute
88 transforms in later modules. No internal code was using this
89 but this may break some clients.
90 # We now use SHA-1 to identify cached definitions, instead of MD5.
91 ! Support display:inline-block
92 ! Support for more white-space CSS values.
93 ! Permit underscores in font families
94 ! Support for page-break-* CSS3 properties when proprietary properties
96 ! New directive %Core.DisableExcludes; can be set to 'true' to turn off
97 SGML excludes checking. If HTML Purifier is removing too much text
98 and you don't care about full standards compliance, try setting this to
100 - Use prepend for SPL autoloading on PHP 5.3 and later.
101 - Fix bug with nofollow transform when pre-existing rel exists.
102 - Fix bug where background:url() always gets lower-cased
103 (but not background-image:url())
104 - Fix bug with non lower-case color names in HTML
105 - Fix bug where data URI validation doesn't remove temporary files.
106 Thanks Javier Marín Ros <javiermarinros@gmail.com> for reporting.
107 - Don't remove certain empty tags on RemoveEmpty.
109 4.4.0, released 2012-01-18
110 # Removed PEARSax3 handler.
111 # URI.Munge now munges URIs inside the same host that go from https
112 to http. Reported by Neike Taika-Tessaro.
113 # Core.EscapeNonASCIICharacters now always transforms entities to
114 entities, even if target encoding is UTF-8.
115 # Tighten up selector validation in ExtractStyleBlocks.
116 Non-syntactically valid selectors are now rejected, along with
117 some of the more obscure ones such as attribute selectors, the
118 :lang pseudoselector, and anything not in CSS2.1. Furthermore,
119 ID and class selectors now work properly with the relevant
120 configuration attributes. Also, mute errors when parsing CSS
121 with CSS Tidy. Reported by Mario Heiderich and Norman Hippert.
122 ! Added support for 'scope' attribute on tables.
123 ! Added %HTML.TargetBlank, which adds target="blank" to all outgoing links.
124 ! Properly handle sub-lists directly nested inside of lists in
125 a standards compliant way, by moving them into the preceding <li>
126 ! Added %HTML.AllowedComments and %HTML.AllowedCommentsRegexp for
127 limited allowed comments in untrusted situations.
128 ! Implement iframes, and allow them to be used in untrusted mode with
129 %HTML.SafeIframe and %URI.SafeIframeRegexp. Thanks Bradley M. Froehle
130 <brad.froehle@gmail.com> for submitting an initial version of the patch.
131 ! The Forms module now works properly for transitional doctypes.
132 ! Added support for internationalized domain names. You need the PEAR
133 Net_IDNA2 module to be in your path; if it is installed, ensure the
134 class can be loaded and then set %Core.EnableIDNA to true.
135 - Color keywords are now case insensitive. Thanks Yzmir Ramirez
136 <yramirez-htmlpurifier@adicio.com> for reporting.
137 - Explicitly initialize anonModule variable to null.
138 - Do not duplicate nofollow if already present. Thanks 178
140 - Do not add nofollow if hostname matches our current host. Thanks 178
141 for reporting, and Neike Taika-Tessaro for helping diagnose.
142 - Do not unset parser variable; this fixes intermittent serialization
143 problems. Thanks Neike Taika-Tessaro for reporting, bill
144 <10010tiger@gmail.com> for diagnosing.
145 - Fix iconv truncation bug, where non-UTF-8 target encodings see
146 output truncated after around 8000 characters. Thanks Jörg Ludwig
147 <joerg.ludwig@iserv.eu> for reporting.
148 - Fix broken table content model for XHTML1.1 (and also earlier
149 versions, although the W3C validator doesn't catch those violations).
150 Thanks GlitchMr <glitch.mr@gmail.com> for reporting.
152 4.3.0, released 2011-03-27
153 # Fixed broken caching of customized raw definitions, but requires an
154 API change. The old API still works but will emit a warning,
155 see http://htmlpurifier.org/docs/enduser-customize.html#optimized
156 for how to upgrade your code.
157 # Protect against Internet Explorer innerHTML behavior by specially
158 treating attributes with backticks but no angled brackets, quotes or
159 spaces. This constitutes a slight semantic change, which can be
160 reverted using %Output.FixInnerHTML. Reported by Neike Taika-Tessaro
162 # Protect against cssText/innerHTML by restricting allowed characters
163 used in fonts further than mandated by the specification and encoding
164 some extra special characters in URLs. Reported by Neike
165 Taika-Tessaro and Mario Heiderich.
166 ! Added %HTML.Nofollow to add rel="nofollow" to external links.
167 ! More types of SPL autoloaders allowed on later versions of PHP.
168 ! Implementations for position, top, left, right, bottom, z-index
169 when %CSS.Trusted is on.
170 ! Add %Cache.SerializerPermissions option for custom serializer
171 directory/file permissions
172 ! Fix longstanding bug in Flash support for non-IE browsers, and
173 allow more wmode attributes.
174 ! Add %CSS.AllowedFonts to restrict permissible font names.
175 - Switch to an iterative traversal of the DOM, which prevents us
176 from running out of stack space for deeply nested documents.
177 Thanks Maxim Krizhanovsky for contributing a patch.
178 - Make removal of conditional IE comments ungreedy; thanks Bernd
180 - Escape CDATA before removing Internet Explorer comments.
181 - Fix removal of id attributes under certain conditions by ensuring
182 armor attributes are preserved when recreating tags.
183 - Check if schema.ser was corrupted.
184 - Check if zend.ze1_compatibility_mode is on, and error out if it is.
185 This safety check is only done for HTMLPurifier.auto.php; if you
186 are using standalone or the specialized includes files, you're
187 expected to know what you're doing.
188 - Stop repeatedly writing the cache file after I'm done customizing a
189 raw definition. Reported by ajh.
190 - Switch to using require_once in the Bootstrap to work around bad
191 interaction with Zend Debugger and APC. Reported by Antonio Parraga.
192 - Fix URI handling when hostname is missing but scheme is present.
193 Reported by Neike Taika-Tessaro.
194 - Fix missing numeric entities on DirectLex; thanks Neike Taika-Tessaro
196 - Fix harmless notice from indexing into empty string. Thanks Matthijs
197 Kooijman <matthijs@stdin.nl> for reporting.
198 - Don't autoclose no parent elements are able to support the element
199 that triggered the autoclose. In particular fixes strange behavior
200 of stray <li> tags. Thanks pkuliga@gmail.com for reporting and
201 Neike Taika-Tessaro <pinkgothic@gmail.com> for debugging assistance.
203 4.2.0, released 2010-09-15
204 ! Added %Core.RemoveProcessingInstructions, which lets you remove
205 <? ... ?> statements.
206 ! Added %URI.DisableResources functionality; the directive originally
207 did nothing. Thanks David Rothstein for reporting.
208 ! Add documentation about configuration directive types.
209 ! Add %CSS.ForbiddenProperties configuration directive.
210 ! Add %HTML.FlashAllowFullScreen to permit embedded Flash objects
211 to utilize full-screen mode.
212 ! Add optional support for the <code>file</code> URI scheme, enable
213 by explicitly setting %URI.AllowedSchemes.
214 ! Add %Core.NormalizeNewlines options to allow turning off newline
216 - Fix improper handling of Internet Explorer conditional comments
217 by parser. Thanks zmonteca for reporting.
218 - Fix missing attributes bug when running on Mac Snow Leopard and APC.
219 Thanks sidepodcast for the fix.
220 - Warn if an element is allowed, but an attribute it requires is
223 4.1.1, released 2010-05-31
224 - Fix undefined index warnings in maintenance scripts.
225 - Fix bug in DirectLex for parsing elements with a single attribute
227 - Rewrite CSS output logic for font-family and url(). Thanks Mario
228 Heiderich <mario.heiderich@googlemail.com> for reporting and Takeshi
229 Terada <t-terada@violet.plala.or.jp> for suggesting the fix.
230 - Emit an error for CollectErrors if a body is extracted
231 - Fix bug where in background-position for center keyword handling.
232 - Fix infinite loop when a wrapper element is inserted in a context
233 where it's not allowed. Thanks Lars <lars@renoz.dk> for reporting.
234 - Remove +x bit and shebang from index.php; only supported mode is to
235 explicitly call it with php.
236 - Make test script less chatty when log_errors is on.
238 4.1.0, released 2010-04-26
239 ! Support proprietary height attribute on table element
240 ! Support YouTube slideshows that contain /cp/ in their URL.
241 ! Support for data: URI scheme; not enabled by default, add it using
243 ! Support flashvars when using %HTML.SafeObject and %HTML.SafeEmbed.
244 ! Support for Internet Explorer compatibility with %HTML.SafeObject
245 using %Output.FlashCompat.
246 ! Handle <ol><ol> properly, by inserting the necessary <li> tag.
247 - Always quote the insides of url(...) in CSS.
249 4.0.0, released 2009-07-07
250 # APIs for ConfigSchema subsystem have substantially changed. See
251 docs/dev-config-bcbreaks.txt for details; in essence, anything that
252 had both namespace and directive now have a single unified key.
253 # Some configuration directives were renamed, specifically:
254 %AutoFormatParam.PurifierLinkifyDocURL -> %AutoFormat.PurifierLinkify.DocURL
255 %FilterParam.ExtractStyleBlocksEscaping -> %Filter.ExtractStyleBlocks.Escaping
256 %FilterParam.ExtractStyleBlocksScope -> %Filter.ExtractStyleBlocks.Scope
257 %FilterParam.ExtractStyleBlocksTidyImpl -> %Filter.ExtractStyleBlocks.TidyImpl
258 As usual, the old directive names will still work, but will throw E_NOTICE
260 # The allowed values for class have been relaxed to allow all of CDATA for
261 doctypes that are not XHTML 1.1 or XHTML 2.0. For old behavior, set
262 %Attr.ClassUseCDATA to false.
263 # Instead of appending the content model to an old content model, a blank
264 element will replace the old content model. You can use #SUPER to get
265 the old content model.
266 ! More robust support for name="" and id=""
267 ! HTMLPurifier_Config::inherit($config) allows you to inherit one
268 configuration, and have changes to that configuration be propagated
269 to all of its children.
270 ! Implement %HTML.Attr.Name.UseCDATA, which relaxes validation rules on
271 the name attribute when set. Use with care. Thanks Ian Cook for
273 ! Implement %AutoFormat.RemoveEmpty.RemoveNbsp, which removes empty
274 tags that contain non-breaking spaces as well other whitespace. You
275 can also modify which tags should have maintained with
276 %AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions.
277 ! Implement %Attr.AllowedClasses, which allows administrators to restrict
278 classes users can use to a specified finite set of classes, and
279 %Attr.ForbiddenClasses, which is the logical inverse.
280 ! You can now maintain your own configuration schema directories by
281 creating a config-schema.php file or passing an extra argument. Check
282 docs/dev-config-schema.html for more details.
283 ! Added HTMLPurifier_Config->serialize() method, which lets you save away
284 your configuration in a compact serial file, which you can unserialize
285 and use directly without having to go through the overhead of setup.
286 - Fix bug where URIDefinition would not get cleared if it's directives got
288 - Fix fatal error in HTMLPurifier_Encoder on certain platforms (probably NetBSD 5.0)
289 - Fix bug in Linkify autoformatter involving <a><span>http://foo</span></a>
290 - Make %URI.Munge not apply to links that have the same host as your host.
291 - Prevent stray </body> tag from truncating output, if a second </body>
293 . Created script maintenance/rename-config.php for renaming a configuration
294 directive while maintaining its alias. This script does not change source code.
295 . Implement namespace locking for definition construction, to prevent
296 bugs where a directive is used for definition construction but is not
297 used to construct the cache hash.
299 3.3.0, released 2009-02-16
300 ! Implement CSS property 'overflow' when %CSS.AllowTricky is true.
301 ! Implement generic property list classess
302 - Fix bug with testEncodingSupportsASCII() algorithm when iconv() implementation
303 does not do the "right thing" with characters not supported in the output
305 - Spellcheck UTF-8: The Secret To Character Encoding
306 - Fix improper removal of the contents of elements with only whitespace. Thanks
307 Eric Wald for reporting.
308 - Fix broken test suite in versions of PHP without spl_autoload_register()
309 - Fix degenerate case with YouTube filter involving double hyphens.
310 Thanks Pierre Attar for reporting.
311 - Fix YouTube rendering problem on certain versions of Firefox.
312 - Fix CSSDefinition Printer problems with decorators
313 - Add text parameter to unit tests, forces text output
314 . Add verbose mode to command line test runner, use (--verbose)
315 . Turn on unit tests for UnitConverter
316 . Fix missing version number in configuration %Attr.DefaultImageAlt (added 3.2.0)
317 . Fix newline errors that caused spurious failures when CRLF HTML Purifier was
319 . Removed trailing whitespace from all text files, see
320 remote-trailing-whitespace.php maintenance script.
321 . Convert configuration to use property list backend.
323 3.2.0, released 2008-10-31
324 # Using %Core.CollectErrors forces line number/column tracking on, whereas
325 previously you could theoretically turn it off.
326 # HTMLPurifier_Injector->notifyEnd() is formally deprecated. Please
327 use handleEnd() instead.
328 ! %Output.AttrSort for when you need your attributes in alphabetical order to
329 deal with a bug in FCKEditor. Requested by frank farmer.
330 ! Enable HTML comments when %HTML.Trusted is on. Requested by Waldo Jaquith.
331 ! Proper support for name attribute. It is now allowed and equivalent to the id
332 attribute in a and img tags, and is only converted to id when %HTML.TidyLevel
333 is heavy (for all doctypes).
334 ! %AutoFormat.RemoveEmpty to remove some empty tags from documents. Please don't
335 use on hand-written HTML.
336 ! Add error-cases for unsupported elements in MakeWellFormed. This enables
337 the strategy to be used, standalone, on untrusted input.
338 ! %Core.AggressivelyFixLt is on by default. This causes more sensible
339 processing of left angled brackets in smileys and other whatnot.
340 ! Test scripts now have a 'type' parameter, which lets you say 'htmlpurifier',
341 'phpt', 'vtest', etc. in order to only execute those tests. This supercedes
342 the --only-phpt parameter, although for backwards-compatibility the flag
344 ! AutoParagraph auto-formatter will now preserve double-newlines upon output.
345 Users who are not performing inbound filtering, this may seem a little
346 useless, but as a bonus, the test suite and handling of edge cases is also
348 ! Experimental implementation of forms for %HTML.Trusted
349 ! Track column numbers when maintain line numbers is on
350 ! Proprietary 'background' attribute on table-related elements converted into
351 corresponding CSS. Thanks Fusemail for sponsoring this feature!
352 ! Add forward(), forwardUntilEndToken(), backward() and current() to Injector
354 ! HTMLPurifier_Injector->handleEnd() permits modification to end tokens. The
355 time of operation varies slightly from notifyEnd() as *all* end tokens are
356 processed by the injector before they are subject to the well-formedness rules.
357 ! %Attr.DefaultImageAlt allows overriding default behavior of setting alt to
358 basename of image when not present.
359 ! %AutoFormat.DisplayLinkURI neuters <a> tags into plain text URLs.
360 - Fix two bugs in %URI.MakeAbsolute; one involving empty paths in base URLs,
361 the other involving an undefined $is_folder error.
362 - Throw error when %Core.Encoding is set to a spurious value. Previously,
363 this errored silently and returned false.
364 - Redirected stderr to stdout for flush error output.
365 - %URI.DisableExternal will now use the host in %URI.Base if %URI.Host is not
367 - Do not re-munge URL if the output URL has the same host as the input URL.
369 - Fix error in documentation regarding %Filter.ExtractStyleBlocks
370 - Prevent <![CDATA[<body></body>]]> from triggering %Core.ConvertDocumentToFragment
371 - Fix bug with inline elements in blockquotes conflicting with strict doctype
372 - Detect if HTML support is disabled for DOM by checking for loadHTML() method.
373 - Fix bug where dots and double-dots in absolute URLs without hostname were
374 not collapsed by URIFilter_MakeAbsolute.
375 - Fix bug with anonymous modules operating on SafeEmbed or SafeObject elements
376 by reordering their addition.
377 - Will now throw exception on many error conditions during lexer creation; also
378 throw an exception when MaintainLineNumbers is true, but a non-tracksLineNumbers
380 - Detect if domxml extension is loaded, and use DirectLEx accordingly.
381 - Improve handling of big numbers with floating point arithmetic in UnitConverter.
382 Reported by David Morton.
383 . Strategy_MakeWellFormed now operates in-place, saving memory and allowing
384 for more interesting filter-backtracking
385 . New HTMLPurifier_Injector->rewind() functionality, allows injectors to rewind
386 index to reprocess tokens.
387 . StringHashParser now allows for multiline sections with "empty" content;
388 previously the section would remain undefined.
389 . Added --quick option to multitest.php, which tests only the most recent
390 release for each series.
391 . Added --distro option to multitest.php, which accepts either 'normal' or
392 'standalone'. This supercedes --exclude-normal and --exclude-standalone
394 3.1.1, released 2008-06-19
395 # %URI.Munge now, by default, does not munge resources (for example, <img src="">)
396 In order to enable this again, please set %URI.MungeResources to true.
397 ! More robust imagecrash protection with height/width CSS with %CSS.MaxImgLength,
398 and height/width HTML with %HTML.MaxImgLength.
399 ! %URI.MungeSecretKey for secure URI munging. Thanks Chris
400 for sponsoring this feature. Check out the corresponding documentation
401 for details. (Att Nightly testers: The API for this feature changed before
402 the general release. Namely, rename your directives %URI.SecureMungeSecretKey =>
403 %URI.MungeSecretKey and and %URI.SecureMunge => %URI.Munge)
404 ! Implemented post URI filtering. Set member variable $post to true to set
406 ! Allow modules to define injectors via $info_injector. Injectors are
407 automatically disabled if injector's needed elements are not found.
408 ! Support for "safe" objects added, use %HTML.SafeObject and %HTML.SafeEmbed.
409 Thanks Chris for sponsoring. If you've been using ad hoc code from the
410 forums, PLEASE use this instead.
411 ! Added substitutions for %e, %n, %a and %p in %URI.Munge (in order,
412 embedded, tag name, attribute name, CSS property name). See %URI.Munge
413 for more details. Requested by Jochem Blok.
414 - Disable percent height/width attributes for img.
415 - AttrValidator operations are now atomic; updates to attributes are not
416 manifest in token until end of operations. This prevents naughty internal
417 code from directly modifying CurrentToken when they're not supposed to.
418 This semantics change was requested by frank farmer.
419 - Percent encoding checks enabled for URI query and fragment
420 - Fix stray backslashes in font-family; CSS Unicode character escapes are
421 now properly resolved (although *only* in font-family). Thanks Takeshi Terada
423 - Improve parseCDATA algorithm to take into account newline normalization
424 - Account for browser confusion between Yen character and backslash in
425 Shift_JIS encoding. This fix generalizes to any other encoding which is not
426 a strict superset of printable ASCII. Thanks Takeshi Terada for reporting.
427 - Fix missing configuration parameter in Generator calls. Thanks vs for the
429 - Improved adherence to Unicode by checking for non-character codepoints.
430 Thanks Geoffrey Sneddon for reporting. This may result in degraded
431 performance for extremely large inputs.
432 - Allow CSS property-value pair ''text-decoration: none''. Thanks Jochem Blok
434 . Added HTMLPurifier_UnitConverter and HTMLPurifier_Length for convenient
435 handling of CSS-style lengths. HTMLPurifier_AttrDef_CSS_Length now uses
437 . API of HTMLPurifier_AttrDef_CSS_Length changed from __construct($disable_negative)
438 to __construct($min, $max). __construct(true) is equivalent to
440 . Added HTMLPurifier_AttrDef_Switch class
441 . Rename HTMLPurifier_HTMLModule_Tidy->construct() to setup() and bubble method
442 up inheritance hierarchy to HTMLPurifier_HTMLModule. All HTMLModules
443 get this called with the configuration object. All modules now
444 use this rather than __construct(), although legacy code using constructors
445 will still work--the new format, however, lets modules access the
446 configuration object for HTML namespace dependant tweaks.
447 . AttrDef_HTML_Pixels now takes a single construction parameter, pixels.
448 . ConfigSchema data-structure heavily optimized; on average it uses a third
449 the memory it did previously. The interface has changed accordingly,
450 consult changes to HTMLPurifier_Config for details.
451 . Variable parsing types now are magic integers instead of strings
452 . Added benchmark for ConfigSchema
453 . HTMLPurifier_Generator requires $config and $context parameters. If you
454 don't know what they should be, use HTMLPurifier_Config::createDefault()
455 and new HTMLPurifier_Context().
456 . Printers now properly distinguish between output configuration, and
457 target configuration. This is not applicable to scripts using
458 the Printers for HTML Purifier related tasks.
459 . HTML/CSS Printers must be primed with prepareGenerator($gen_config), otherwise
460 fatal errors will ensue.
461 . URIFilter->prepare can return false in order to abort loading of the filter
462 . Factory for AttrDef_URI implemented, URI#embedded to indicate URI that embeds
463 an external resource.
464 . %URI.Munge functionality factored out into a post-filter class.
465 . Added CurrentCSSProperty context variable during CSS validation
467 3.1.0, released 2008-05-18
468 # Unnecessary references to objects (vestiges of PHP4) removed from method
469 signatures. The following methods do not need references when assigning from
470 them and will result in E_STRICT errors if you try:
471 + HTMLPurifier_Config->get*Definition() [* = HTML, CSS]
472 + HTMLPurifier_ConfigSchema::instance()
473 + HTMLPurifier_DefinitionCacheFactory::instance()
474 + HTMLPurifier_DefinitionCacheFactory->create()
475 + HTMLPurifier_DoctypeRegistry->register()
476 + HTMLPurifier_DoctypeRegistry->get()
477 + HTMLPurifier_HTMLModule->addElement()
478 + HTMLPurifier_HTMLModule->addBlankElement()
479 + HTMLPurifier_LanguageFactory::instance()
480 # Printer_ConfigForm's get*() functions were static-ified
481 # %HTML.ForbiddenAttributes requires attribute declarations to be in the
482 form of tag@attr, NOT tag.attr (which will throw an error and won't do
483 anything). This is for forwards compatibility with XML; you'd do best
484 to migrate an %HTML.AllowedAttributes directives to this syntax too.
485 ! Allow index to be false for config from form creation
486 ! Added HTMLPurifier::VERSION constant
487 ! Commas, not dashes, used for serializer IDs. This change is forwards-compatible
488 and allows for version numbers like "3.1.0-dev".
489 ! %HTML.Allowed deals gracefully with whitespace anywhere, anytime!
490 ! HTML Purifier's URI handling is a lot more robust, with much stricter
491 validation checks and better percent encoding handling. Thanks Gareth Heyes
492 for indicating security vulnerabilities from lax percent encoding.
493 ! Bootstrap autoloader deals more robustly with classes that don't exist,
494 preventing class_exists($class, true) from barfing.
495 - InterchangeBuilder now alphabetizes its lists
496 - Validation error in configdoc output fixed
497 - Iconv and other encoding errors muted even with custom error handlers that
498 do not honor error_reporting
499 - Add protection against imagecrash attack with CSS height/width
500 - HTMLPurifier::instance() created for consistency, is equivalent to getInstance()
501 - Fixed and revamped broken ConfigForm smoketest
502 - Bug with bool/null fields in Printer_ConfigForm fixed
503 - Bug with global forbidden attributes fixed
504 - Improved error messages for allowed and forbidden HTML elements and attributes
505 - Missing (or null) in configdoc documentation restored
506 - If DOM throws and exception during parsing with PH5P (occurs in newer versions
507 of DOM), HTML Purifier punts to DirectLex
508 - Fatal error with unserialization of ScriptRequired
509 - Created directories are now chmod'ed properly
510 - Fixed bug with fallback languages in LanguageFactory
511 - Standalone testing setup properly with autoload
512 . Out-of-date documentation revised
513 . UTF-8 encoding check optimization as suggested by Diego
514 . HTMLPurifier_Error removed in favor of exceptions
515 . More copy() function removed; should use clone instead
516 . More extensive unit tests for HTMLDefinition
517 . assertPurification moved to central harness
518 . HTMLPurifier_Generator accepts $config and $context parameters during
519 instantiation, not runtime
520 . Double-quotes outside of attribute values are now unescaped
522 3.1.0rc1, released 2008-04-22
523 # Autoload support added. Internal require_once's removed in favor of an
524 explicit require list or autoloading. To use HTML Purifier,
525 you must now either use HTMLPurifier.auto.php
526 or HTMLPurifier.includes.php; setting the include path and including
527 HTMLPurifier.php is insufficient--in such cases include HTMLPurifier.autoload.php
528 as well to register our autoload handler (or modify your autoload function
529 to check HTMLPurifier_Bootstrap::getPath($class)). You can also use
530 HTMLPurifier.safe-includes.php for a less performance friendly but more
531 user-friendly library load.
532 # HTMLPurifier_ConfigSchema static functions are officially deprecated. Schema
533 information is stored in the ConfigSchema directory, and the
534 maintenance/generate-schema-cache.php generates the schema.ser file, which
535 is now instantiated. Support for userland schema changes coming soon!
536 # HTMLPurifier_Config will now throw E_USER_NOTICE when you use a directive
537 alias; to get rid of these errors just modify your configuration to use
538 the new directive name.
539 # HTMLPurifier->addFilter is deprecated; built-in filters can now be
540 enabled using %Filter.$filter_name or by setting your own filters using
542 # Directive-level safety properties superceded in favor of module-level
543 safety. Internal method HTMLModule->addElement() has changed, although
544 the externally visible HTMLDefinition->addElement has *not* changed.
545 ! Extra utility classes for testing and non-library operations can
546 be found in extras/. Specifically, these are FSTools and ConfigDoc.
547 You may find a use for these in your own project, but right now they
548 are highly experimental and volatile.
549 ! Integration with PHPT allows for automated smoketests
550 ! Limited support for proprietary HTML elements, namely <marquee>, sponsored
551 by Chris. You can enable them with %HTML.Proprietary if your client
553 ! Support for !important CSS cascade modifier. By default, this will be stripped
554 from CSS, but you can enable it using %CSS.AllowImportant
555 ! Support for display and visibility CSS properties added, set %CSS.AllowTricky
557 ! HTML Purifier now has its own Exception hierarchy under HTMLPurifier_Exception.
558 Developer error (not enduser error) can cause these to be triggered.
559 ! Experimental kses() wrapper introduced with HTMLPurifier.kses.php
560 ! Finally %CSS.AllowedProperties for tweaking allowed CSS properties without
561 mucking around with HTMLPurifier_CSSDefinition
562 ! ConfigDoc output has been enhanced with version and deprecation info.
563 ! %HTML.ForbiddenAttributes and %HTML.ForbiddenElements implemented.
564 - Autoclose now operates iteratively, i.e. <span><span><div> now has
565 both span tags closed.
566 - Various HTMLPurifier_Config convenience functions now accept another parameter
567 $schema which defines what HTMLPurifier_ConfigSchema to use besides the
569 - Fix bug with trusted script handling in libxml versions later than 2.6.28.
570 - Fix bug in ExtractStyleBlocks with comments in style tags
571 - Fix bug in comment parsing for DirectLex
572 - Flush output now displayed when in command line mode for unit tester
573 - Fix bug with rgb(0, 1, 2) color syntax with spaces inside shorthand syntax
574 - HTMLPurifier_HTMLDefinition->addAttribute can now be called multiple times
575 on the same element without emitting errors.
576 - Fixed fatal error in PH5P lexer with invalid tag names
577 . Plugins now get their own changelogs according to project conventions.
578 . Convert tokens to use instanceof, reducing memory footprint and
579 improving comparison speed.
580 . Dry runs now supported in SimpleTest; testing facilities improved
581 . Bootstrap class added for handling autoloading functionality
582 . Implemented recursive glob at FSTools->globr
583 . ConfigSchema now has instance methods for all corresponding define*
585 . A couple of new historical maintenance scripts were added.
586 . HTMLPurifier/HTMLModule/Tidy/XHTMLAndHTML4.php split into two files
587 . tests/index.php can now be run from any directory.
588 . HTMLPurifier_Token subclasses split into seperate files
589 . HTMLPURIFIER_PREFIX now is defined in Bootstrap.php, NOT HTMLPurifier.php
590 . HTMLPURIFIER_PREFIX can now be defined outside of HTML Purifier
591 . New --php=php flag added, allows PHP executable to be specified (command
593 . htmlpurifier_add_test() preferred method to translate test files in to
594 classes, because it handles PHPT files too.
595 . Debugger class is deprecated and will be removed soon.
596 . Command line argument parsing for testing scripts revamped, now --opt value
598 . Smoketests now cleanup after magic quotes
599 . Generator now can output comments (however, comments are still stripped
600 from HTML Purifier output)
601 . HTMLPurifier_ConfigSchema->validate() deprecated in favor of
602 HTMLPurifier_VarParser->parse()
603 . Integers auto-cast into float type by VarParser.
604 . HTMLPURIFIER_STRICT removed; no validation is performed on runtime, only
605 during cache generation
606 . Reordered script calls in maintenance/flush.php
607 . Command line scripts now honor exit codes
608 . When --flush fails in unit testers, abort tests and print message
609 . Improved documentation in docs/dev-flush.html about the maintenance scripts
610 . copy() methods removed in favor of clone keyword
612 3.0.0, released 2008-01-06
613 # HTML Purifier is PHP 5 only! The 2.1.x branch will be maintained
614 until PHP 4 is completely deprecated, but no new features will be added
616 + Visibility declarations added
617 + Constructor methods renamed to __construct()
618 + PHP4 reference cruft removed (in progress)
619 ! CSS properties are now case-insensitive
620 ! DefinitionCacheFactory now can register new implementations
621 ! New HTMLPurifier_Filter_ExtractStyleBlocks for extracting <style> from
622 documents and cleaning their contents up. Requires the CSSTidy library
623 <http://csstidy.sourceforge.net/>. You can access the blocks with the
624 'StyleBlocks' Context variable ($purifier->context->get('StyleBlocks')).
625 The output CSS can also be "scoped" for a specific element, use:
626 %Filter.ExtractStyleBlocksScope
627 ! Experimental support for some proprietary CSS attributes allowed:
628 opacity (and all of the browser-specific equivalents) and scrollbar colors.
629 Enable by setting %CSS.Proprietary to true.
630 - Colors missing # but in hex form will be corrected
631 - CSS Number algorithm improved
632 - Unit testing and multi-testing now on steroids: command lines,
633 XML output, and other goodies now added.
634 . Unit tests for Injector improved
636 + HTMLPurifier_AttrDef_CSS_AlphaValue
637 + HTMLPurifier_AttrDef_CSS_Filter
638 . Multitest now has a file docblock
640 2.1.3, released 2007-11-05
641 ! tests/multitest.php allows you to test multiple versions by running
642 tests/index.php through multiple interpreters using `phpv` shell
643 script (you must provide this script!)
644 - Fixed poor include ordering for Email URI AttrDefs, causes fatal errors
646 - Injector algorithm further refined: off-by-one error regarding skip
647 counts for dormant injectors fixed
648 - Corrective blockquote definition now enabled for HTML 4.01 Strict
649 - Fatal error when <img> tag (or any other element with required attributes)
650 has 'id' attribute fixed, thanks NykO18 for reporting
651 - Fix warning emitted when a non-supported URI scheme is passed to the
652 MakeAbsolute URIFilter, thanks NykO18 (again)
653 - Further refine AutoParagraph injector. Behavior inside of elements
654 allowing paragraph tags clarified: only inline content delimeted by
655 double newlines (not block elements) are paragraphed.
656 - Buggy treatment of end tags of elements that have required attributes
657 fixed (does not manifest on default tag-set)
658 - Spurious internal content reorganization error suppressed
659 - HTMLDefinition->addElement now returns a reference to the created
660 element object, as implied by the documentation
661 - Phorum mod's HTML Purifier help message expanded (unreleased elsewhere)
662 - Fix a theoretical class of infinite loops from DirectLex reported
664 - Work around unnecessary DOMElement type-cast in PH5P that caused errors
666 - Work around PHP 4 SimpleTest lack-of-error complaining for one-time-only
667 HTMLDefinition errors, this may indicate problems with error-collecting
669 - Make ErrorCollectorEMock work in both PHP 4 and PHP 5
670 - Make PH5P work with PHP 5.0 by removing unnecessary array parameter typedef
671 . %Core.AcceptFullDocuments renamed to %Core.ConvertDocumentToFragment
672 to better communicate its purpose
673 . Error unit tests can now specify the expectation of no errors. Future
674 iterations of the harness will be extremely strict about what errors
676 . Extend Injector hooks to allow for more powerful injector routines
677 . HTMLDefinition->addBlankElement created, as according to the HTMLModule
679 . Doxygen configuration file updated, with minor improvements
680 . Test runner now checks for similarly named files in conf/ directory too.
681 . Minor cosmetic change to flush-definition-cache.php: trailing newline is
683 . Maintenance script for generating PH5P patch added, original PH5P source
684 file also added under version control
685 . Full unit test runner script title made more descriptive with PHP version
686 . Updated INSTALL file to state that 4.3.7 is the earliest version we
689 2.1.2, released 2007-09-03
690 ! Implemented Object module for trusted users
691 ! Implemented experimental HTML5 parsing mode using PH5P. To use, add
693 require_once 'HTMLPurifier/Lexer/PH5P.php';
694 $config->set('Core', 'LexerImpl', 'PH5P');
695 Note that this Lexer introduces some classes not in the HTMLPurifier
696 namespace. Also, this is PHP5 only.
697 ! CSS property border-spacing implemented
698 - Fix non-visible parsing error in DirectLex with empty tags that have
699 slashes inside attribute values.
700 - Fix typo in CSS definition: border-collapse:seperate; was incorrectly
701 accepted as valid CSS. Usually non-visible, because this styling is the
702 default for tables in most browsers. Thanks Brett Zamir for pointing
704 - Fix validation errors in configuration form
705 - Hammer out a bunch of edge-case bugs in the standalone distribution
706 - Inclusion reflection removed from URISchemeRegistry; you must manually
707 include any new schema files you wish to use
708 - Numerous typo fixes in documentation thanks to Brett Zamir
709 . Unit test refactoring for one logical test per test function
710 . Config and context parameters in ComplexHarness deprecated: instead, edit
711 the $config and $context member variables
712 . HTML wrapper in DOMLex now takes DTD identifiers into account; doesn't
713 really make a difference, but is good for completeness sake
714 . merge-library.php script refactored for greater code reusability and
717 2.1.1, released 2007-08-04
718 - Fix show-stopper bug in %URI.MakeAbsolute functionality
719 - Fix PHP4 syntax error in standalone version
720 . Add prefix directory to include path for standalone, this prevents
721 other installations from clobbering the standalone's URI schemes
722 . Single test methods can be invoked by prefixing with __only
724 2.1.0, released 2007-08-02
725 # flush-htmldefinition-cache.php superseded in favor of a generic
726 flush-definition-cache.php script, you can clear a specific cache
727 by passing its name as a parameter to the script
728 ! Phorum mod implemented for HTML Purifier
729 ! With %Core.AggressivelyFixLt, <3 and similar emoticons no longer
730 trigger HTML removal in PHP5 (DOMLex). This directive is not necessary
731 for PHP4 (DirectLex).
732 ! Standalone file now available, which greatly reduces the amount of
733 includes (although there are still a few files that reside in the
735 ! Relative URIs can now be transformed into their absolute equivalents
736 using %URI.Base and %URI.MakeAbsolute
737 ! Ruby implemented for XHTML 1.1
738 ! You can now define custom URI filtering behavior, see enduser-uri-filter.html
740 ! UTF-8 font names now supported in CSS
741 - AutoFormatters emit friendly error messages if tags or attributes they
743 - ConfigForm's compactification of directive names is now configurable
744 - AutoParagraph autoformatter algorithm refined after field-testing
745 - XHTML 1.1 now applies XHTML 1.0 Strict cleanup routines, namely
747 - Contents of <style> tags removed by default when tags are removed
748 . HTMLPurifier_Config->getSerial() implemented, this is extremely useful
749 for output cache invalidation
750 . ConfigForm printer now can retrieve CSS and JS files as strings, in
751 case HTML Purifier's directory is not publically accessible
752 . Introduce new text/itext configuration directive values: these represent
753 longer strings that would be more appropriately edited with a textarea
754 . Allow newlines to act as separators for lists, hashes, lookups and
756 . ConfigForm generates textareas instead of text inputs for lists, hashes,
757 lookups, text and itext fields
758 . Hidden element content removal genericized: %Core.HiddenElements can
759 be used to customize this behavior, by default <script> and <style> are
761 . Added HTMLPURIFIER_PREFIX constant, should be used instead of dirname(__FILE__)
762 . Custom ChildDef added to default include list
763 . URIScheme reflection improved: will not attempt to include file if class
764 already exists. May clobber autoload, so I need to keep an eye on it
765 . ConfigSchema heavily optimized, will only collect information and validate
766 definitions when HTMLPURIFIER_SCHEMA_STRICT is true.
767 . AttrDef_URI unit tests and implementation refactored
768 . benchmarks/ directory now protected from public view with .htaccess file;
769 run the tests via command line
770 . URI scheme is munged off if there is no authority and the scheme is the
772 . All unit tests inherit from HTMLPurifier_Harness, not UnitTestCase
773 . Interface for URIScheme changed
774 . Generic URI object to hold components of URI added, most systems involved
775 in URI validation have been migrated to use it
776 . Custom filtering for URIs factored out to URIDefinition interface for
777 maximum extensibility
779 2.0.1, released 2007-06-27
780 ! Tag auto-closing now based on a ChildDef heuristic rather than a
781 manually set auto_close array; some behavior may change
782 ! Experimental AutoFormat functionality added: auto-paragraph and
783 linkify your HTML input by setting %AutoFormat.AutoParagraph and
784 %AutoFormat.Linkify to true
785 ! Newlines normalized internally, and then converted back to the
786 value of PHP_EOL. If this is not desired, set your newline format
787 using %Output.Newline.
788 ! Beta error collection, messages are implemented for the most generic
789 cases involving Lexing or Strategies
790 - Clean up special case code for <script> tags
791 - Reorder includes for DefinitionCache decorators, fixes a possible
793 - Fixed bug where manually modified definitions were not saved via cache
794 (mostly harmless, except for the fact that it would be a little slower)
795 - Configuration objects with different serials do not clobber each
796 others when revision numbers are unequal
797 - Improve Serializer DefinitionCache directory permissions checks
798 - DefinitionCache no longer throws errors when it encounters old
799 serial files that do not conform to the current style
800 - Stray xmlns attributes removed from configuration documentation
801 - configForm.php smoketest no longer has XSS vulnerability due to
802 unescaped print_r output
803 - Printer adheres to configuration's directives on output format
804 - Fix improperly named form field in ConfigForm printer
805 . Rewire some test-cases to swallow errors rather than expect them
806 . HTMLDefinition printer updated with some of the new attributes
807 . DefinitionCache keys reordered to reflect precedence: version number,
808 hash, then revision number
809 . %Core.DefinitionCache renamed to %Cache.DefinitionImpl
810 . Interlinking in configuration documentation added using
811 Injector_PurifierLinkify
812 . Directives now keep track of aliases to themselves
813 . Error collector now requires a severity to be passed, use PHP's internal
814 error constants for this
815 . HTMLPurifier_Config::getAllowedDirectivesForForm implemented, allows
816 much easier selective embedding of configuration values
817 . Doctype objects now accept public and system DTD identifiers
818 . %HTML.Doctype is now constrained by specific values, to specify a custom
819 doctype use new %HTML.CustomDoctype
820 . ConfigForm truncates long directives to keep the form small, and does
821 not re-output namespaces
823 2.0.0, released 2007-06-20
824 # Completely refactored HTMLModuleManager, decentralizing safety
826 # Transform modules changed to Tidy modules, which offer more flexibility
827 and better modularization
828 # Configuration object now finalizes itself when a read operation is
829 performed on it, ensuring that its internal state stays consistent.
830 To revert this behavior, you can set the $autoFinalize member variable
831 off, but it's not recommended.
832 # New compact syntax for AttrDef objects that can be used to instantiate
833 new objects via make()
834 # Definitions (esp. HTMLDefinition) are now cached for a significant
835 performance boost. You can disable caching by setting %Core.DefinitionCache
836 to null. You CANNOT edit raw definitions without setting the corresponding
837 DefinitionID directive (%HTML.DefinitionID for HTMLDefinition).
838 # Contents between <script> tags are now completely removed if <script>
840 # Prototype-declarations for Lexer removed in favor of configuration
841 determination of Lexer implementations.
842 ! HTML Purifier now works in PHP 4.3.2.
843 ! Configuration form-editing API makes tweaking HTMLPurifier_Config a
845 ! Configuration directives that accept hashes now allow new string
846 format: key1:value1,key2:value2
847 ! ConfigDoc now factored into OOP design
848 ! All deprecated elements now natively supported
849 ! Implement TinyMCE styled whitelist specification format in
851 ! Config object gives more friendly error messages when things go wrong
852 ! Advanced API implemented: easy functions for creating elements (addElement)
853 and attributes (addAttribute) on HTMLDefinition
854 ! Add native support for required attributes
855 - Deprecated and removed EnableRedundantUTF8Cleaning. It didn't even work!
856 - DOMLex will not emit errors when a custom error handler that does not
857 honor error_reporting is used
858 - StrictBlockquote child definition refrains from wrapping whitespace
860 - Bug resulting from tag transforms to non-allowed elements fixed
861 - ChildDef_Custom's regex generation has been improved, removing several
863 . Unit test for ElementDef created, ElementDef behavior modified to
865 . Added convenience functions for HTMLModule constructors
866 . AttrTypes now has accessor functions that should be used instead
867 of directly manipulating info
868 . TagTransform_Center deprecated in favor of generic TagTransform_Simple
869 . Add extra protection in AttrDef_URI against phantom Schemes
870 . Doctype object added to HTMLDefinition which describes certain aspects
871 of the operational document type
872 . Lexer is now pre-emptively included, with a conditional include for the
874 . HTMLDefinition and CSSDefinition have a common parent class: Definition.
875 . DirectLex can now track line-numbers
876 . Preliminary error collector is in place, although no code actually reports
878 . Factor out most of ValidateAttributes to new AttrValidator class
880 1.6.1, released 2007-05-05
881 ! Support for more deprecated attributes via transformations:
882 + hspace and vspace in img
883 + size and noshade in hr
886 + align in caption, table, img and hr
887 + type in ul, ol and li
888 ! DirectLex now preserves text in which a < bracket is followed by
889 a non-alphanumeric character. This means that certain emoticons
891 ! %Core.RemoveInvalidImg is now operational, when set to false invalid
892 images will hang around with an empty src
893 ! target attribute in a tag supported, use %Attr.AllowedFrameTargets
895 ! CSS property white-space now allows nowrap (supported in all modern
896 browsers) but not others (which have spotty browser implementations)
897 ! XHTML 1.1 mode now sort-of works without any fatal errors, and
898 lang is now moved over to xml:lang.
899 ! Attribute transformation smoketest available at smoketests/attrTransform.php
900 ! Transformation of font's size attribute now handles super-large numbers
901 - Possibly fatal bug with __autoload() fixed in module manager
902 - Invert HTMLModuleManager->addModule() processing order to check
903 prefixes first and then the literal module
904 - Empty strings get converted to empty arrays instead of arrays with
905 an empty string in them.
906 - Merging in attribute lists now works.
907 . Demo script removed: it has been added to the website's repository
908 . Basic.php script modified to work out of the box
909 . Refactor AttrTransform classes to reduce duplication
910 . AttrTransform_TextAlign axed in favor of a more general
911 AttrTransform_EnumToCSS, refer to HTMLModule/TransformToStrict.php to
912 see how the new equivalent is implemented
913 . Unit tests now use exclusively assertIdentical
915 1.6.0, released 2007-04-01
916 ! Support for most common deprecated attributes via transformations:
917 + bgcolor in td, th, tr and table
920 + width in td, th and hr
922 ! Support for CSS attribute 'height' added
923 ! Support for rel and rev attributes in a tags added, use %Attr.AllowedRel
924 and %Attr.AllowedRev to activate
925 - You can define ID blacklists using regular expressions via
926 %Attr.IDBlacklistRegexp
927 - Error messages are emitted when you attempt to "allow" elements or
928 attributes that HTML Purifier does not support
929 - Fix segfault in unit test. The problem is not very reproduceable and
930 I don't know what causes it, but a six line patch fixed it.
932 1.5.0, released 2007-03-23
933 ! Added a rudimentary I18N and L10N system modeled off MediaWiki. It
934 doesn't actually do anything yet, but keep your eyes peeled.
935 ! docs/enduser-utf8.html explains how to use UTF-8 and HTML Purifier
936 ! Newly structured HTMLDefinition modeled off of XHTML 1.1 modules.
937 I am loathe to release beta quality APIs, but this is exactly that;
938 don't use the internal interfaces if you're not willing to do migration
940 - Allow 'x' subtag in language codes
941 - Fixed buggy chameleon-support for ins and del
942 . Added support for IDREF attributes (i.e. for)
943 . Renamed HTMLPurifier_AttrDef_Class to HTMLPurifier_AttrDef_Nmtokens
944 . Removed context variable ParentType, replaced with IsInline, which
945 is false when you're not inline and an integer of the parent that
946 caused you to become inline when you are (so possibly zero)
947 . Removed ElementDef->type in favor of ElementDef->descendants_are_inline
948 and HTMLDefinition->content_sets
949 . StrictBlockquote now reports what elements its supposed to allow,
950 rather than what it does allow
951 . Removed HTMLDefinition->info_flow_elements in favor of
952 HTMLDefinition->content_sets['Flow']
953 . Removed redundant "exclusionary" definitions from DTD roster
954 . StrictBlockquote now requires a construction parameter as if it
955 were an Required ChildDef, this is the "real" set of allowed elements
956 . AttrDef partitioned into HTML, CSS and URI segments
957 . Modify Youtube filter regexp to be multiline
958 . Require both PHP5 and DOM extension in order to use DOMLex, fixes
959 some edge cases where a DOMDocument class exists in a PHP4 environment
960 due to DOM XML extension.
962 1.4.1, released 2007-01-21
963 ! docs/enduser-youtube.html updated according to new functionality
964 - YouTube IDs can have underscores and dashes
966 1.4.0, released 2007-01-21
967 ! Implemented list-style-image, URIs now allowed in list-style
968 ! Implemented background-image, background-repeat, background-attachment
969 and background-position CSS properties. Shorthand property background
970 supports all of these properties.
971 ! Configuration documentation looks nicer
972 ! Added %Core.EscapeNonASCIICharacters to workaround loss of Unicode
973 characters while %Core.Encoding is set to a non-UTF-8 encoding.
974 ! Support for configuration directive aliases added
975 ! Config object can now be instantiated from ini files
976 ! YouTube preservation code added to the core, with two lines of code
977 you can add it as a filter to your code. See smoketests/preserveYouTube.php
979 ! Moved SLOW to docs/enduser-slow.html and added code examples
980 - Replaced version check with functionality check for DOM (thanks Stephen
982 . Added smoketest 'all.php', which loads all other smoketests via frames
983 . Implemented AttrDef_CSSURI for url(http://google.com) style declarations
984 . Added convenient single test selector form on test runner
986 1.3.2, released 2006-12-25
987 ! HTMLPurifier object now accepts configuration arrays, no need to manually
988 instantiate a configuration object
989 ! Context object now accessible to outside
990 ! Added enduser-youtube.html, explains how to embed YouTube videos. See
991 also corresponding smoketest preserveYouTube.php.
992 ! Added purifyArray(), which takes a list of HTML and purifies it all
993 ! Added static member variable $version to HTML Purifier with PHP-compatible
994 version number string.
995 - Fixed fatal error thrown by upper-cased language attributes
996 - printDefinition.php: added labels, added better clarification
997 . HTMLPurifier_Config::create() added, takes mixed variable and converts into
998 a HTMLPurifier_Config object.
1000 1.3.1, released 2006-12-06
1001 ! Added HTMLPurifier.func.php stub for a convenient function to call the library
1002 - Fixed bug in RemoveInvalidImg code that caused all images to be dropped
1003 (thanks to .mario for reporting this)
1004 . Standardized all attribute handling variables to attr, made it plural
1006 1.3.0, released 2006-11-26
1007 # Invalid images are now removed, rather than replaced with a dud
1008 <img src="" alt="Invalid image" />. Previous behavior can be restored
1009 with new directive %Core.RemoveInvalidImg set to false.
1010 ! (X)HTML Strict now supported
1011 + Transparently handles inline elements in block context (blockquote)
1012 ! Added GET method to demo for easier validation, added 50kb max input size
1013 ! New directive %HTML.BlockWrapper, for block-ifying inline elements
1014 ! New directive %HTML.Parent, allows you to only allow inline content
1015 ! New directives %HTML.AllowedElements and %HTML.AllowedAttributes to let
1016 users narrow the set of allowed tags
1017 ! <li value="4"> and <ul start="2"> now allowed in loose mode
1018 ! New directives %URI.DisableExternalResources and %URI.DisableResources
1019 ! New directive %Attr.DisableURI, which eliminates all hyperlinking
1020 ! New directive %URI.Munge, munges URI so you can use some sort of redirector
1021 service to avoid PageRank leaks or warn users that they are exiting your site.
1022 ! Added spiffy new smoketest printDefinition.php, which lets you twiddle with
1023 the configuration settings and see how the internal rules are affected.
1024 ! New directive %URI.HostBlacklist for blocking links to bad hosts.
1025 xssAttacks.php smoketest updated accordingly.
1026 - Added missing type to ChildDef_Chameleon
1027 - Remove Tidy option from demo if there is not Tidy available
1028 . ChildDef_Required guards against empty tags
1029 . Lookup table HTMLDefinition->info_flow_elements added
1030 . Added peace-of-mind variable initialization to Strategy_FixNesting
1031 . Added HTMLPurifier->info_parent_def, parent child processing made special
1032 . Added internal documents briefly summarizing future progression of HTML
1033 . HTMLPurifier_Config->getBatch($namespace) added
1034 . More lenient casting to bool from string in HTMLPurifier_ConfigSchema
1035 . Refactored ChildDef classes into their own files
1037 1.2.0, released 2006-11-19
1038 # ID attributes now disabled by default. New directives:
1039 + %HTML.EnableAttrID - restores old behavior by allowing IDs
1040 + %Attr.IDPrefix - %Attr.IDBlacklist alternative that munges all user IDs
1041 so that they don't collide with your IDs
1042 + %Attr.IDPrefixLocal - Same as above, but for when there are multiple
1043 instances of user content on the page
1044 + Profuse documentation on how to use these available in docs/enduser-id.txt
1045 ! Added MODx plugin <http://modxcms.com/forums/index.php/topic,6604.0.html>
1046 ! Added percent encoding normalization
1047 ! XSS attacks smoketest given facelift
1048 ! Configuration documentation now has table of contents
1049 ! Added %URI.DisableExternal, which prevents links to external websites. You
1050 can also use %URI.Host to permit absolute linking to subdomains
1051 ! Non-accessible resources (ex. mailto) blocked from embedded URIs (img src)
1052 - Type variable in HTMLDefinition was not being set properly, fixed
1053 - Documentation updated
1054 + TODO added request Phalanger
1055 + TODO added request Native compression
1056 + TODO added request Remove redundant tags
1057 + TODO added possible plaintext formatter for HTML Purifier documentation
1058 + Updated ConfigDoc TODO
1059 + Improved inline comments in AttrDef/Class.php, AttrDef/CSS.php
1060 and AttrDef/Host.php
1061 + Revamped documentation into HTML, along with misc updates
1062 - HTMLPurifier_Context doesn't throw a variable reference error if you attempt
1063 to retrieve a non-existent variable
1064 . Switched to purify()-wide Context object registry
1065 . Refactored unit tests to minimize duplication
1066 . XSS attack sheet updated
1067 . configdoc.xml now has xml:space attached to default value nodes
1068 . Allow configuration directives to permit null values
1069 . Cleaned up test-cases to remove unnecessary swallowErrors()
1071 1.1.2, released 2006-09-30
1072 ! Add HTMLPurifier.auto.php stub file that configures include_path
1073 - Documentation updated
1074 + INSTALL document rewritten
1075 + TODO added semi-lossy conversion
1076 + API Doxygen docs' file exclusions updated
1077 + Added notes on HTML versus XML attribute whitespace handling
1078 + Noted that HTMLPurifier_ChildDef_Custom isn't being used
1079 + Noted that config object's definitions are cached versions
1080 - Fixed lack of attribute parsing in HTMLPurifier_Lexer_PEARSax3
1081 - ftp:// URIs now have their typecodes checked
1082 - Hooked up HTMLPurifier_ChildDef_Custom's unit tests (they weren't being run)
1083 . Line endings standardized throughout project (svn:eol-style standardized)
1084 . Refactored parseData() to general Lexer class
1085 . Tester named "HTML Purifier" not "HTMLPurifier"
1087 1.1.1, released 2006-09-24
1088 ! Configuration option to optionally Tidy up output for indentation to make up
1089 for dropped whitespace by DOMLex (pretty-printing for the entire application
1090 should be done by a page-wide Tidy)
1091 - Various documentation updates
1092 - Fixed parse error in configuration documentation script
1093 - Fixed fatal error in benchmark scripts, slightly augmented
1094 - As far as possible, whitespace is preserved in-between table children
1095 - Sample test-settings.php file included
1097 1.1.0, released 2006-09-16
1098 ! Directive documentation generation using XSLT
1099 ! XHTML can now be turned off, output becomes <br>
1100 - Made URI validator more forgiving: will ignore leading and trailing
1101 quotes, apostrophes and less than or greater than signs.
1102 - Enforce alphanumeric namespace and directive names for configuration.
1103 - Table child definition made more flexible, will fix up poorly ordered elements
1104 . Renamed ConfigDef to ConfigSchema
1106 1.0.1, released 2006-09-04
1107 - Fixed slight bug in DOMLex attribute parsing
1108 - Fixed rejection of case-insensitive configuration values when there is a
1109 set of allowed values. This manifested in %Core.Encoding.
1110 - Fixed rejection of inline style declarations that had lots of extra
1111 space in them. This manifested in TinyMCE.
1113 1.0.0, released 2006-09-01
1114 ! Shorthand CSS properties implemented: font, border, background, list-style
1115 ! Basic color keywords translated into hexadecimal values
1116 ! Table CSS properties implemented
1117 ! Support for charsets other than UTF-8 (defined by iconv)
1118 ! Malformed UTF-8 and non-SGML character detection and cleaning implemented
1119 - Fixed broken numeric entity conversion
1120 - API documentation completed
1121 . (HTML|CSS)Definition de-singleton-ized
1123 1.0.0beta, released 2006-08-16
1124 ! First public release, most functionality implemented. Notable omissions are:
1125 + Shorthand CSS properties
1126 + Table CSS properties
1127 + Deprecated attribute transformations