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  1. NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
  2. |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
  3. = KEY ====================
  4. # Breaks back-compat
  5. ! Feature
  6. - Bugfix
  7. + Sub-comment
  8. . Internal change
  9. ==========================
  10. 4.8.0, released 2016-07-16
  11. # By default, when a link has a target attribute associated
  12. with it, we now also add rel="noreferrer" in order to
  13. prevent the new window from being able to overwrite
  14. the original frame. To disable this protection,
  15. set %HTML.TargetNoreferrer to FALSE.
  16. ! Full PHP 7 compatibility, the test suite is ALL GO.
  17. ! %CSS.AllowDuplicates permits duplicate CSS properties.
  18. ! Support for 'tel' URIs.
  19. ! Partial support for 'border-radius' properties when %CSS.AllowProprietary is true.
  20. The slash syntax, i.e., 'border-radius: 2em 1em 4em / 0.5em 3em' is not
  21. yet supported.
  22. ! %Attr.ID.HTML5 turns on HTML5-style ID handling.
  23. - alt truncation could result in malformed UTF-8 sequence. Don't
  24. truncate. Thanks Brandon Farber for reporting.
  25. - Linkify regex is smarter, based off of Gruber's regex.
  26. - IDNA supported natively on PHP 5.3 and later.
  27. - Non all-numeric top-level names (e.g., foo.1f, 1f) are now
  28. allowed.
  29. - Minor bounds error fix to squash a PHP 7 notice.
  30. - Support non-/tmp temporary directories for data:// validation
  31. - Give a better error message when a user attempts to allow
  32. ul/ol without allowing li.
  33. - On some versions of PHP, the Serializer DefinitionCache could
  34. infinite loop when the directory exists but is not listable. (#49)
  35. - Don't match for <body> inside comments with
  36. %Core.ConvertDocumentToFragment. (#67)
  37. - SafeObject is now less case sensitive. (#57)
  38. - AutoFormat.RemoveEmpty.Predicate now correctly renders in
  39. web form. (#85)
  40. 4.7.0, released 2015-08-04
  41. # opacity is now considered a "tricky" CSS property rather than a
  42. proprietary one.
  43. ! %AutoFormat.RemoveEmpty.Predicate for specifying exactly when
  44. an element should be considered "empty" (maybe preserve if it
  45. has attributes), and modify iframe support so that the iframe
  46. is removed if it is missing a src attribute. Thanks meeva for
  47. reporting.
  48. - Don't truncate upon encountering </div> when using DOMLex. Thanks
  49. Myrto Christina for finally convincing me to fix this.
  50. - Update YouTube filter for new code.
  51. - Fix parsing of rgb() values with spaces in them for 'border'
  52. attribute.
  53. - Don't remove foo="" attributes if foo is a boolean attribute. Thanks
  54. valME for reporting.
  55. 4.6.0, released 2013-11-30
  56. # Secure URI munge hashing algorithm has changed to hash_hmac("sha256", $url, $secret).
  57. Please update any verification scripts you may have.
  58. # URI parsing algorithm was made more strict, so only prefixes which
  59. looks like schemes will actually be schemes. Thanks
  60. Michael Gusev <mgusev@sugarcrm.com> for fixing.
  61. # %Core.EscapeInvalidChildren is no longer supported, and no longer does
  62. anything.
  63. ! New directive %Core.AllowHostnameUnderscore which allows underscores
  64. in hostnames.
  65. - Eliminate quadratic behavior in DOMLex by using a proper queue.
  66. Thanks Ole Laursen for noticing this.
  67. - Rewritten MakeWellFormed/FixNesting implementation eliminates quadratic
  68. behavior in the rest of the purificaiton pipeline. Thanks Chedburn
  69. Networks for sponsoring this work.
  70. - Made Linkify URL parser a bit less permissive, so that non-breaking
  71. spaces and commas are not included as part of URL. Thanks nAS for fixing.
  72. - Fix some bad interactions with %HTML.Allowed and injectors. Thanks
  73. David Hirtz for reporting.
  74. - Fix infinite loop in DirectLex. Thanks Ashar Javed (@soaj1664ashar)
  75. for reporting.
  76. 4.5.0, released 2013-02-17
  77. # Fix bug where stacked attribute transforms clobber each other;
  78. this also means it's no longer possible to override attribute
  79. transforms in later modules. No internal code was using this
  80. but this may break some clients.
  81. # We now use SHA-1 to identify cached definitions, instead of MD5.
  82. ! Support display:inline-block
  83. ! Support for more white-space CSS values.
  84. ! Permit underscores in font families
  85. ! Support for page-break-* CSS3 properties when proprietary properties
  86. are enabled.
  87. ! New directive %Core.DisableExcludes; can be set to 'true' to turn off
  88. SGML excludes checking. If HTML Purifier is removing too much text
  89. and you don't care about full standards compliance, try setting this to
  90. 'true'.
  91. - Use prepend for SPL autoloading on PHP 5.3 and later.
  92. - Fix bug with nofollow transform when pre-existing rel exists.
  93. - Fix bug where background:url() always gets lower-cased
  94. (but not background-image:url())
  95. - Fix bug with non lower-case color names in HTML
  96. - Fix bug where data URI validation doesn't remove temporary files.
  97. Thanks Javier Marín Ros <javiermarinros@gmail.com> for reporting.
  98. - Don't remove certain empty tags on RemoveEmpty.
  99. 4.4.0, released 2012-01-18
  100. # Removed PEARSax3 handler.
  101. # URI.Munge now munges URIs inside the same host that go from https
  102. to http. Reported by Neike Taika-Tessaro.
  103. # Core.EscapeNonASCIICharacters now always transforms entities to
  104. entities, even if target encoding is UTF-8.
  105. # Tighten up selector validation in ExtractStyleBlocks.
  106. Non-syntactically valid selectors are now rejected, along with
  107. some of the more obscure ones such as attribute selectors, the
  108. :lang pseudoselector, and anything not in CSS2.1. Furthermore,
  109. ID and class selectors now work properly with the relevant
  110. configuration attributes. Also, mute errors when parsing CSS
  111. with CSS Tidy. Reported by Mario Heiderich and Norman Hippert.
  112. ! Added support for 'scope' attribute on tables.
  113. ! Added %HTML.TargetBlank, which adds target="blank" to all outgoing links.
  114. ! Properly handle sub-lists directly nested inside of lists in
  115. a standards compliant way, by moving them into the preceding <li>
  116. ! Added %HTML.AllowedComments and %HTML.AllowedCommentsRegexp for
  117. limited allowed comments in untrusted situations.
  118. ! Implement iframes, and allow them to be used in untrusted mode with
  119. %HTML.SafeIframe and %URI.SafeIframeRegexp. Thanks Bradley M. Froehle
  120. <brad.froehle@gmail.com> for submitting an initial version of the patch.
  121. ! The Forms module now works properly for transitional doctypes.
  122. ! Added support for internationalized domain names. You need the PEAR
  123. Net_IDNA2 module to be in your path; if it is installed, ensure the
  124. class can be loaded and then set %Core.EnableIDNA to true.
  125. - Color keywords are now case insensitive. Thanks Yzmir Ramirez
  126. <yramirez-htmlpurifier@adicio.com> for reporting.
  127. - Explicitly initialize anonModule variable to null.
  128. - Do not duplicate nofollow if already present. Thanks 178
  129. for reporting.
  130. - Do not add nofollow if hostname matches our current host. Thanks 178
  131. for reporting, and Neike Taika-Tessaro for helping diagnose.
  132. - Do not unset parser variable; this fixes intermittent serialization
  133. problems. Thanks Neike Taika-Tessaro for reporting, bill
  134. <10010tiger@gmail.com> for diagnosing.
  135. - Fix iconv truncation bug, where non-UTF-8 target encodings see
  136. output truncated after around 8000 characters. Thanks Jörg Ludwig
  137. <joerg.ludwig@iserv.eu> for reporting.
  138. - Fix broken table content model for XHTML1.1 (and also earlier
  139. versions, although the W3C validator doesn't catch those violations).
  140. Thanks GlitchMr <glitch.mr@gmail.com> for reporting.
  141. 4.3.0, released 2011-03-27
  142. # Fixed broken caching of customized raw definitions, but requires an
  143. API change. The old API still works but will emit a warning,
  144. see http://htmlpurifier.org/docs/enduser-customize.html#optimized
  145. for how to upgrade your code.
  146. # Protect against Internet Explorer innerHTML behavior by specially
  147. treating attributes with backticks but no angled brackets, quotes or
  148. spaces. This constitutes a slight semantic change, which can be
  149. reverted using %Output.FixInnerHTML. Reported by Neike Taika-Tessaro
  150. and Mario Heiderich.
  151. # Protect against cssText/innerHTML by restricting allowed characters
  152. used in fonts further than mandated by the specification and encoding
  153. some extra special characters in URLs. Reported by Neike
  154. Taika-Tessaro and Mario Heiderich.
  155. ! Added %HTML.Nofollow to add rel="nofollow" to external links.
  156. ! More types of SPL autoloaders allowed on later versions of PHP.
  157. ! Implementations for position, top, left, right, bottom, z-index
  158. when %CSS.Trusted is on.
  159. ! Add %Cache.SerializerPermissions option for custom serializer
  160. directory/file permissions
  161. ! Fix longstanding bug in Flash support for non-IE browsers, and
  162. allow more wmode attributes.
  163. ! Add %CSS.AllowedFonts to restrict permissible font names.
  164. - Switch to an iterative traversal of the DOM, which prevents us
  165. from running out of stack space for deeply nested documents.
  166. Thanks Maxim Krizhanovsky for contributing a patch.
  167. - Make removal of conditional IE comments ungreedy; thanks Bernd
  168. for reporting.
  169. - Escape CDATA before removing Internet Explorer comments.
  170. - Fix removal of id attributes under certain conditions by ensuring
  171. armor attributes are preserved when recreating tags.
  172. - Check if schema.ser was corrupted.
  173. - Check if zend.ze1_compatibility_mode is on, and error out if it is.
  174. This safety check is only done for HTMLPurifier.auto.php; if you
  175. are using standalone or the specialized includes files, you're
  176. expected to know what you're doing.
  177. - Stop repeatedly writing the cache file after I'm done customizing a
  178. raw definition. Reported by ajh.
  179. - Switch to using require_once in the Bootstrap to work around bad
  180. interaction with Zend Debugger and APC. Reported by Antonio Parraga.
  181. - Fix URI handling when hostname is missing but scheme is present.
  182. Reported by Neike Taika-Tessaro.
  183. - Fix missing numeric entities on DirectLex; thanks Neike Taika-Tessaro
  184. for reporting.
  185. - Fix harmless notice from indexing into empty string. Thanks Matthijs
  186. Kooijman <matthijs@stdin.nl> for reporting.
  187. - Don't autoclose no parent elements are able to support the element
  188. that triggered the autoclose. In particular fixes strange behavior
  189. of stray <li> tags. Thanks pkuliga@gmail.com for reporting and
  190. Neike Taika-Tessaro <pinkgothic@gmail.com> for debugging assistance.
  191. 4.2.0, released 2010-09-15
  192. ! Added %Core.RemoveProcessingInstructions, which lets you remove
  193. <? ... ?> statements.
  194. ! Added %URI.DisableResources functionality; the directive originally
  195. did nothing. Thanks David Rothstein for reporting.
  196. ! Add documentation about configuration directive types.
  197. ! Add %CSS.ForbiddenProperties configuration directive.
  198. ! Add %HTML.FlashAllowFullScreen to permit embedded Flash objects
  199. to utilize full-screen mode.
  200. ! Add optional support for the <code>file</code> URI scheme, enable
  201. by explicitly setting %URI.AllowedSchemes.
  202. ! Add %Core.NormalizeNewlines options to allow turning off newline
  203. normalization.
  204. - Fix improper handling of Internet Explorer conditional comments
  205. by parser. Thanks zmonteca for reporting.
  206. - Fix missing attributes bug when running on Mac Snow Leopard and APC.
  207. Thanks sidepodcast for the fix.
  208. - Warn if an element is allowed, but an attribute it requires is
  209. not allowed.
  210. 4.1.1, released 2010-05-31
  211. - Fix undefined index warnings in maintenance scripts.
  212. - Fix bug in DirectLex for parsing elements with a single attribute
  213. with entities.
  214. - Rewrite CSS output logic for font-family and url(). Thanks Mario
  215. Heiderich <mario.heiderich@googlemail.com> for reporting and Takeshi
  216. Terada <t-terada@violet.plala.or.jp> for suggesting the fix.
  217. - Emit an error for CollectErrors if a body is extracted
  218. - Fix bug where in background-position for center keyword handling.
  219. - Fix infinite loop when a wrapper element is inserted in a context
  220. where it's not allowed. Thanks Lars <lars@renoz.dk> for reporting.
  221. - Remove +x bit and shebang from index.php; only supported mode is to
  222. explicitly call it with php.
  223. - Make test script less chatty when log_errors is on.
  224. 4.1.0, released 2010-04-26
  225. ! Support proprietary height attribute on table element
  226. ! Support YouTube slideshows that contain /cp/ in their URL.
  227. ! Support for data: URI scheme; not enabled by default, add it using
  228. %URI.AllowedSchemes
  229. ! Support flashvars when using %HTML.SafeObject and %HTML.SafeEmbed.
  230. ! Support for Internet Explorer compatibility with %HTML.SafeObject
  231. using %Output.FlashCompat.
  232. ! Handle <ol><ol> properly, by inserting the necessary <li> tag.
  233. - Always quote the insides of url(...) in CSS.
  234. 4.0.0, released 2009-07-07
  235. # APIs for ConfigSchema subsystem have substantially changed. See
  236. docs/dev-config-bcbreaks.txt for details; in essence, anything that
  237. had both namespace and directive now have a single unified key.
  238. # Some configuration directives were renamed, specifically:
  239. %AutoFormatParam.PurifierLinkifyDocURL -> %AutoFormat.PurifierLinkify.DocURL
  240. %FilterParam.ExtractStyleBlocksEscaping -> %Filter.ExtractStyleBlocks.Escaping
  241. %FilterParam.ExtractStyleBlocksScope -> %Filter.ExtractStyleBlocks.Scope
  242. %FilterParam.ExtractStyleBlocksTidyImpl -> %Filter.ExtractStyleBlocks.TidyImpl
  243. As usual, the old directive names will still work, but will throw E_NOTICE
  244. errors.
  245. # The allowed values for class have been relaxed to allow all of CDATA for
  246. doctypes that are not XHTML 1.1 or XHTML 2.0. For old behavior, set
  247. %Attr.ClassUseCDATA to false.
  248. # Instead of appending the content model to an old content model, a blank
  249. element will replace the old content model. You can use #SUPER to get
  250. the old content model.
  251. ! More robust support for name="" and id=""
  252. ! HTMLPurifier_Config::inherit($config) allows you to inherit one
  253. configuration, and have changes to that configuration be propagated
  254. to all of its children.
  255. ! Implement %HTML.Attr.Name.UseCDATA, which relaxes validation rules on
  256. the name attribute when set. Use with care. Thanks Ian Cook for
  257. sponsoring.
  258. ! Implement %AutoFormat.RemoveEmpty.RemoveNbsp, which removes empty
  259. tags that contain non-breaking spaces as well other whitespace. You
  260. can also modify which tags should have &nbsp; maintained with
  261. %AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions.
  262. ! Implement %Attr.AllowedClasses, which allows administrators to restrict
  263. classes users can use to a specified finite set of classes, and
  264. %Attr.ForbiddenClasses, which is the logical inverse.
  265. ! You can now maintain your own configuration schema directories by
  266. creating a config-schema.php file or passing an extra argument. Check
  267. docs/dev-config-schema.html for more details.
  268. ! Added HTMLPurifier_Config->serialize() method, which lets you save away
  269. your configuration in a compact serial file, which you can unserialize
  270. and use directly without having to go through the overhead of setup.
  271. - Fix bug where URIDefinition would not get cleared if it's directives got
  272. changed.
  273. - Fix fatal error in HTMLPurifier_Encoder on certain platforms (probably NetBSD 5.0)
  274. - Fix bug in Linkify autoformatter involving <a><span>http://foo</span></a>
  275. - Make %URI.Munge not apply to links that have the same host as your host.
  276. - Prevent stray </body> tag from truncating output, if a second </body>
  277. is present.
  278. . Created script maintenance/rename-config.php for renaming a configuration
  279. directive while maintaining its alias. This script does not change source code.
  280. . Implement namespace locking for definition construction, to prevent
  281. bugs where a directive is used for definition construction but is not
  282. used to construct the cache hash.
  283. 3.3.0, released 2009-02-16
  284. ! Implement CSS property 'overflow' when %CSS.AllowTricky is true.
  285. ! Implement generic property list classess
  286. - Fix bug with testEncodingSupportsASCII() algorithm when iconv() implementation
  287. does not do the "right thing" with characters not supported in the output
  288. set.
  289. - Spellcheck UTF-8: The Secret To Character Encoding
  290. - Fix improper removal of the contents of elements with only whitespace. Thanks
  291. Eric Wald for reporting.
  292. - Fix broken test suite in versions of PHP without spl_autoload_register()
  293. - Fix degenerate case with YouTube filter involving double hyphens.
  294. Thanks Pierre Attar for reporting.
  295. - Fix YouTube rendering problem on certain versions of Firefox.
  296. - Fix CSSDefinition Printer problems with decorators
  297. - Add text parameter to unit tests, forces text output
  298. . Add verbose mode to command line test runner, use (--verbose)
  299. . Turn on unit tests for UnitConverter
  300. . Fix missing version number in configuration %Attr.DefaultImageAlt (added 3.2.0)
  301. . Fix newline errors that caused spurious failures when CRLF HTML Purifier was
  302. tested on Linux.
  303. . Removed trailing whitespace from all text files, see
  304. remote-trailing-whitespace.php maintenance script.
  305. . Convert configuration to use property list backend.
  306. 3.2.0, released 2008-10-31
  307. # Using %Core.CollectErrors forces line number/column tracking on, whereas
  308. previously you could theoretically turn it off.
  309. # HTMLPurifier_Injector->notifyEnd() is formally deprecated. Please
  310. use handleEnd() instead.
  311. ! %Output.AttrSort for when you need your attributes in alphabetical order to
  312. deal with a bug in FCKEditor. Requested by frank farmer.
  313. ! Enable HTML comments when %HTML.Trusted is on. Requested by Waldo Jaquith.
  314. ! Proper support for name attribute. It is now allowed and equivalent to the id
  315. attribute in a and img tags, and is only converted to id when %HTML.TidyLevel
  316. is heavy (for all doctypes).
  317. ! %AutoFormat.RemoveEmpty to remove some empty tags from documents. Please don't
  318. use on hand-written HTML.
  319. ! Add error-cases for unsupported elements in MakeWellFormed. This enables
  320. the strategy to be used, standalone, on untrusted input.
  321. ! %Core.AggressivelyFixLt is on by default. This causes more sensible
  322. processing of left angled brackets in smileys and other whatnot.
  323. ! Test scripts now have a 'type' parameter, which lets you say 'htmlpurifier',
  324. 'phpt', 'vtest', etc. in order to only execute those tests. This supercedes
  325. the --only-phpt parameter, although for backwards-compatibility the flag
  326. will still work.
  327. ! AutoParagraph auto-formatter will now preserve double-newlines upon output.
  328. Users who are not performing inbound filtering, this may seem a little
  329. useless, but as a bonus, the test suite and handling of edge cases is also
  330. improved.
  331. ! Experimental implementation of forms for %HTML.Trusted
  332. ! Track column numbers when maintain line numbers is on
  333. ! Proprietary 'background' attribute on table-related elements converted into
  334. corresponding CSS. Thanks Fusemail for sponsoring this feature!
  335. ! Add forward(), forwardUntilEndToken(), backward() and current() to Injector
  336. supertype.
  337. ! HTMLPurifier_Injector->handleEnd() permits modification to end tokens. The
  338. time of operation varies slightly from notifyEnd() as *all* end tokens are
  339. processed by the injector before they are subject to the well-formedness rules.
  340. ! %Attr.DefaultImageAlt allows overriding default behavior of setting alt to
  341. basename of image when not present.
  342. ! %AutoFormat.DisplayLinkURI neuters <a> tags into plain text URLs.
  343. - Fix two bugs in %URI.MakeAbsolute; one involving empty paths in base URLs,
  344. the other involving an undefined $is_folder error.
  345. - Throw error when %Core.Encoding is set to a spurious value. Previously,
  346. this errored silently and returned false.
  347. - Redirected stderr to stdout for flush error output.
  348. - %URI.DisableExternal will now use the host in %URI.Base if %URI.Host is not
  349. available.
  350. - Do not re-munge URL if the output URL has the same host as the input URL.
  351. Requested by Chris.
  352. - Fix error in documentation regarding %Filter.ExtractStyleBlocks
  353. - Prevent <![CDATA[<body></body>]]> from triggering %Core.ConvertDocumentToFragment
  354. - Fix bug with inline elements in blockquotes conflicting with strict doctype
  355. - Detect if HTML support is disabled for DOM by checking for loadHTML() method.
  356. - Fix bug where dots and double-dots in absolute URLs without hostname were
  357. not collapsed by URIFilter_MakeAbsolute.
  358. - Fix bug with anonymous modules operating on SafeEmbed or SafeObject elements
  359. by reordering their addition.
  360. - Will now throw exception on many error conditions during lexer creation; also
  361. throw an exception when MaintainLineNumbers is true, but a non-tracksLineNumbers
  362. is being used.
  363. - Detect if domxml extension is loaded, and use DirectLEx accordingly.
  364. - Improve handling of big numbers with floating point arithmetic in UnitConverter.
  365. Reported by David Morton.
  366. . Strategy_MakeWellFormed now operates in-place, saving memory and allowing
  367. for more interesting filter-backtracking
  368. . New HTMLPurifier_Injector->rewind() functionality, allows injectors to rewind
  369. index to reprocess tokens.
  370. . StringHashParser now allows for multiline sections with "empty" content;
  371. previously the section would remain undefined.
  372. . Added --quick option to multitest.php, which tests only the most recent
  373. release for each series.
  374. . Added --distro option to multitest.php, which accepts either 'normal' or
  375. 'standalone'. This supercedes --exclude-normal and --exclude-standalone
  376. 3.1.1, released 2008-06-19
  377. # %URI.Munge now, by default, does not munge resources (for example, <img src="">)
  378. In order to enable this again, please set %URI.MungeResources to true.
  379. ! More robust imagecrash protection with height/width CSS with %CSS.MaxImgLength,
  380. and height/width HTML with %HTML.MaxImgLength.
  381. ! %URI.MungeSecretKey for secure URI munging. Thanks Chris
  382. for sponsoring this feature. Check out the corresponding documentation
  383. for details. (Att Nightly testers: The API for this feature changed before
  384. the general release. Namely, rename your directives %URI.SecureMungeSecretKey =>
  385. %URI.MungeSecretKey and and %URI.SecureMunge => %URI.Munge)
  386. ! Implemented post URI filtering. Set member variable $post to true to set
  387. a URIFilter as such.
  388. ! Allow modules to define injectors via $info_injector. Injectors are
  389. automatically disabled if injector's needed elements are not found.
  390. ! Support for "safe" objects added, use %HTML.SafeObject and %HTML.SafeEmbed.
  391. Thanks Chris for sponsoring. If you've been using ad hoc code from the
  392. forums, PLEASE use this instead.
  393. ! Added substitutions for %e, %n, %a and %p in %URI.Munge (in order,
  394. embedded, tag name, attribute name, CSS property name). See %URI.Munge
  395. for more details. Requested by Jochem Blok.
  396. - Disable percent height/width attributes for img.
  397. - AttrValidator operations are now atomic; updates to attributes are not
  398. manifest in token until end of operations. This prevents naughty internal
  399. code from directly modifying CurrentToken when they're not supposed to.
  400. This semantics change was requested by frank farmer.
  401. - Percent encoding checks enabled for URI query and fragment
  402. - Fix stray backslashes in font-family; CSS Unicode character escapes are
  403. now properly resolved (although *only* in font-family). Thanks Takeshi Terada
  404. for reporting.
  405. - Improve parseCDATA algorithm to take into account newline normalization
  406. - Account for browser confusion between Yen character and backslash in
  407. Shift_JIS encoding. This fix generalizes to any other encoding which is not
  408. a strict superset of printable ASCII. Thanks Takeshi Terada for reporting.
  409. - Fix missing configuration parameter in Generator calls. Thanks vs for the
  410. partial patch.
  411. - Improved adherence to Unicode by checking for non-character codepoints.
  412. Thanks Geoffrey Sneddon for reporting. This may result in degraded
  413. performance for extremely large inputs.
  414. - Allow CSS property-value pair ''text-decoration: none''. Thanks Jochem Blok
  415. for reporting.
  416. . Added HTMLPurifier_UnitConverter and HTMLPurifier_Length for convenient
  417. handling of CSS-style lengths. HTMLPurifier_AttrDef_CSS_Length now uses
  418. this class.
  419. . API of HTMLPurifier_AttrDef_CSS_Length changed from __construct($disable_negative)
  420. to __construct($min, $max). __construct(true) is equivalent to
  421. __construct('0').
  422. . Added HTMLPurifier_AttrDef_Switch class
  423. . Rename HTMLPurifier_HTMLModule_Tidy->construct() to setup() and bubble method
  424. up inheritance hierarchy to HTMLPurifier_HTMLModule. All HTMLModules
  425. get this called with the configuration object. All modules now
  426. use this rather than __construct(), although legacy code using constructors
  427. will still work--the new format, however, lets modules access the
  428. configuration object for HTML namespace dependant tweaks.
  429. . AttrDef_HTML_Pixels now takes a single construction parameter, pixels.
  430. . ConfigSchema data-structure heavily optimized; on average it uses a third
  431. the memory it did previously. The interface has changed accordingly,
  432. consult changes to HTMLPurifier_Config for details.
  433. . Variable parsing types now are magic integers instead of strings
  434. . Added benchmark for ConfigSchema
  435. . HTMLPurifier_Generator requires $config and $context parameters. If you
  436. don't know what they should be, use HTMLPurifier_Config::createDefault()
  437. and new HTMLPurifier_Context().
  438. . Printers now properly distinguish between output configuration, and
  439. target configuration. This is not applicable to scripts using
  440. the Printers for HTML Purifier related tasks.
  441. . HTML/CSS Printers must be primed with prepareGenerator($gen_config), otherwise
  442. fatal errors will ensue.
  443. . URIFilter->prepare can return false in order to abort loading of the filter
  444. . Factory for AttrDef_URI implemented, URI#embedded to indicate URI that embeds
  445. an external resource.
  446. . %URI.Munge functionality factored out into a post-filter class.
  447. . Added CurrentCSSProperty context variable during CSS validation
  448. 3.1.0, released 2008-05-18
  449. # Unnecessary references to objects (vestiges of PHP4) removed from method
  450. signatures. The following methods do not need references when assigning from
  451. them and will result in E_STRICT errors if you try:
  452. + HTMLPurifier_Config->get*Definition() [* = HTML, CSS]
  453. + HTMLPurifier_ConfigSchema::instance()
  454. + HTMLPurifier_DefinitionCacheFactory::instance()
  455. + HTMLPurifier_DefinitionCacheFactory->create()
  456. + HTMLPurifier_DoctypeRegistry->register()
  457. + HTMLPurifier_DoctypeRegistry->get()
  458. + HTMLPurifier_HTMLModule->addElement()
  459. + HTMLPurifier_HTMLModule->addBlankElement()
  460. + HTMLPurifier_LanguageFactory::instance()
  461. # Printer_ConfigForm's get*() functions were static-ified
  462. # %HTML.ForbiddenAttributes requires attribute declarations to be in the
  463. form of tag@attr, NOT tag.attr (which will throw an error and won't do
  464. anything). This is for forwards compatibility with XML; you'd do best
  465. to migrate an %HTML.AllowedAttributes directives to this syntax too.
  466. ! Allow index to be false for config from form creation
  467. ! Added HTMLPurifier::VERSION constant
  468. ! Commas, not dashes, used for serializer IDs. This change is forwards-compatible
  469. and allows for version numbers like "3.1.0-dev".
  470. ! %HTML.Allowed deals gracefully with whitespace anywhere, anytime!
  471. ! HTML Purifier's URI handling is a lot more robust, with much stricter
  472. validation checks and better percent encoding handling. Thanks Gareth Heyes
  473. for indicating security vulnerabilities from lax percent encoding.
  474. ! Bootstrap autoloader deals more robustly with classes that don't exist,
  475. preventing class_exists($class, true) from barfing.
  476. - InterchangeBuilder now alphabetizes its lists
  477. - Validation error in configdoc output fixed
  478. - Iconv and other encoding errors muted even with custom error handlers that
  479. do not honor error_reporting
  480. - Add protection against imagecrash attack with CSS height/width
  481. - HTMLPurifier::instance() created for consistency, is equivalent to getInstance()
  482. - Fixed and revamped broken ConfigForm smoketest
  483. - Bug with bool/null fields in Printer_ConfigForm fixed
  484. - Bug with global forbidden attributes fixed
  485. - Improved error messages for allowed and forbidden HTML elements and attributes
  486. - Missing (or null) in configdoc documentation restored
  487. - If DOM throws and exception during parsing with PH5P (occurs in newer versions
  488. of DOM), HTML Purifier punts to DirectLex
  489. - Fatal error with unserialization of ScriptRequired
  490. - Created directories are now chmod'ed properly
  491. - Fixed bug with fallback languages in LanguageFactory
  492. - Standalone testing setup properly with autoload
  493. . Out-of-date documentation revised
  494. . UTF-8 encoding check optimization as suggested by Diego
  495. . HTMLPurifier_Error removed in favor of exceptions
  496. . More copy() function removed; should use clone instead
  497. . More extensive unit tests for HTMLDefinition
  498. . assertPurification moved to central harness
  499. . HTMLPurifier_Generator accepts $config and $context parameters during
  500. instantiation, not runtime
  501. . Double-quotes outside of attribute values are now unescaped
  502. 3.1.0rc1, released 2008-04-22
  503. # Autoload support added. Internal require_once's removed in favor of an
  504. explicit require list or autoloading. To use HTML Purifier,
  505. you must now either use HTMLPurifier.auto.php
  506. or HTMLPurifier.includes.php; setting the include path and including
  507. HTMLPurifier.php is insufficient--in such cases include HTMLPurifier.autoload.php
  508. as well to register our autoload handler (or modify your autoload function
  509. to check HTMLPurifier_Bootstrap::getPath($class)). You can also use
  510. HTMLPurifier.safe-includes.php for a less performance friendly but more
  511. user-friendly library load.
  512. # HTMLPurifier_ConfigSchema static functions are officially deprecated. Schema
  513. information is stored in the ConfigSchema directory, and the
  514. maintenance/generate-schema-cache.php generates the schema.ser file, which
  515. is now instantiated. Support for userland schema changes coming soon!
  516. # HTMLPurifier_Config will now throw E_USER_NOTICE when you use a directive
  517. alias; to get rid of these errors just modify your configuration to use
  518. the new directive name.
  519. # HTMLPurifier->addFilter is deprecated; built-in filters can now be
  520. enabled using %Filter.$filter_name or by setting your own filters using
  521. %Filter.Custom
  522. # Directive-level safety properties superceded in favor of module-level
  523. safety. Internal method HTMLModule->addElement() has changed, although
  524. the externally visible HTMLDefinition->addElement has *not* changed.
  525. ! Extra utility classes for testing and non-library operations can
  526. be found in extras/. Specifically, these are FSTools and ConfigDoc.
  527. You may find a use for these in your own project, but right now they
  528. are highly experimental and volatile.
  529. ! Integration with PHPT allows for automated smoketests
  530. ! Limited support for proprietary HTML elements, namely <marquee>, sponsored
  531. by Chris. You can enable them with %HTML.Proprietary if your client
  532. demands them.
  533. ! Support for !important CSS cascade modifier. By default, this will be stripped
  534. from CSS, but you can enable it using %CSS.AllowImportant
  535. ! Support for display and visibility CSS properties added, set %CSS.AllowTricky
  536. to true to use them.
  537. ! HTML Purifier now has its own Exception hierarchy under HTMLPurifier_Exception.
  538. Developer error (not enduser error) can cause these to be triggered.
  539. ! Experimental kses() wrapper introduced with HTMLPurifier.kses.php
  540. ! Finally %CSS.AllowedProperties for tweaking allowed CSS properties without
  541. mucking around with HTMLPurifier_CSSDefinition
  542. ! ConfigDoc output has been enhanced with version and deprecation info.
  543. ! %HTML.ForbiddenAttributes and %HTML.ForbiddenElements implemented.
  544. - Autoclose now operates iteratively, i.e. <span><span><div> now has
  545. both span tags closed.
  546. - Various HTMLPurifier_Config convenience functions now accept another parameter
  547. $schema which defines what HTMLPurifier_ConfigSchema to use besides the
  548. global default.
  549. - Fix bug with trusted script handling in libxml versions later than 2.6.28.
  550. - Fix bug in ExtractStyleBlocks with comments in style tags
  551. - Fix bug in comment parsing for DirectLex
  552. - Flush output now displayed when in command line mode for unit tester
  553. - Fix bug with rgb(0, 1, 2) color syntax with spaces inside shorthand syntax
  554. - HTMLPurifier_HTMLDefinition->addAttribute can now be called multiple times
  555. on the same element without emitting errors.
  556. - Fixed fatal error in PH5P lexer with invalid tag names
  557. . Plugins now get their own changelogs according to project conventions.
  558. . Convert tokens to use instanceof, reducing memory footprint and
  559. improving comparison speed.
  560. . Dry runs now supported in SimpleTest; testing facilities improved
  561. . Bootstrap class added for handling autoloading functionality
  562. . Implemented recursive glob at FSTools->globr
  563. . ConfigSchema now has instance methods for all corresponding define*
  564. static methods.
  565. . A couple of new historical maintenance scripts were added.
  566. . HTMLPurifier/HTMLModule/Tidy/XHTMLAndHTML4.php split into two files
  567. . tests/index.php can now be run from any directory.
  568. . HTMLPurifier_Token subclasses split into seperate files
  569. . HTMLPURIFIER_PREFIX now is defined in Bootstrap.php, NOT HTMLPurifier.php
  570. . HTMLPURIFIER_PREFIX can now be defined outside of HTML Purifier
  571. . New --php=php flag added, allows PHP executable to be specified (command
  572. line only!)
  573. . htmlpurifier_add_test() preferred method to translate test files in to
  574. classes, because it handles PHPT files too.
  575. . Debugger class is deprecated and will be removed soon.
  576. . Command line argument parsing for testing scripts revamped, now --opt value
  577. format is supported.
  578. . Smoketests now cleanup after magic quotes
  579. . Generator now can output comments (however, comments are still stripped
  580. from HTML Purifier output)
  581. . HTMLPurifier_ConfigSchema->validate() deprecated in favor of
  582. HTMLPurifier_VarParser->parse()
  583. . Integers auto-cast into float type by VarParser.
  584. . HTMLPURIFIER_STRICT removed; no validation is performed on runtime, only
  585. during cache generation
  586. . Reordered script calls in maintenance/flush.php
  587. . Command line scripts now honor exit codes
  588. . When --flush fails in unit testers, abort tests and print message
  589. . Improved documentation in docs/dev-flush.html about the maintenance scripts
  590. . copy() methods removed in favor of clone keyword
  591. 3.0.0, released 2008-01-06
  592. # HTML Purifier is PHP 5 only! The 2.1.x branch will be maintained
  593. until PHP 4 is completely deprecated, but no new features will be added
  594. to it.
  595. + Visibility declarations added
  596. + Constructor methods renamed to __construct()
  597. + PHP4 reference cruft removed (in progress)
  598. ! CSS properties are now case-insensitive
  599. ! DefinitionCacheFactory now can register new implementations
  600. ! New HTMLPurifier_Filter_ExtractStyleBlocks for extracting <style> from
  601. documents and cleaning their contents up. Requires the CSSTidy library
  602. <http://csstidy.sourceforge.net/>. You can access the blocks with the
  603. 'StyleBlocks' Context variable ($purifier->context->get('StyleBlocks')).
  604. The output CSS can also be "scoped" for a specific element, use:
  605. %Filter.ExtractStyleBlocksScope
  606. ! Experimental support for some proprietary CSS attributes allowed:
  607. opacity (and all of the browser-specific equivalents) and scrollbar colors.
  608. Enable by setting %CSS.Proprietary to true.
  609. - Colors missing # but in hex form will be corrected
  610. - CSS Number algorithm improved
  611. - Unit testing and multi-testing now on steroids: command lines,
  612. XML output, and other goodies now added.
  613. . Unit tests for Injector improved
  614. . New classes:
  615. + HTMLPurifier_AttrDef_CSS_AlphaValue
  616. + HTMLPurifier_AttrDef_CSS_Filter
  617. . Multitest now has a file docblock
  618. 2.1.3, released 2007-11-05
  619. ! tests/multitest.php allows you to test multiple versions by running
  620. tests/index.php through multiple interpreters using `phpv` shell
  621. script (you must provide this script!)
  622. - Fixed poor include ordering for Email URI AttrDefs, causes fatal errors
  623. on some systems.
  624. - Injector algorithm further refined: off-by-one error regarding skip
  625. counts for dormant injectors fixed
  626. - Corrective blockquote definition now enabled for HTML 4.01 Strict
  627. - Fatal error when <img> tag (or any other element with required attributes)
  628. has 'id' attribute fixed, thanks NykO18 for reporting
  629. - Fix warning emitted when a non-supported URI scheme is passed to the
  630. MakeAbsolute URIFilter, thanks NykO18 (again)
  631. - Further refine AutoParagraph injector. Behavior inside of elements
  632. allowing paragraph tags clarified: only inline content delimeted by
  633. double newlines (not block elements) are paragraphed.
  634. - Buggy treatment of end tags of elements that have required attributes
  635. fixed (does not manifest on default tag-set)
  636. - Spurious internal content reorganization error suppressed
  637. - HTMLDefinition->addElement now returns a reference to the created
  638. element object, as implied by the documentation
  639. - Phorum mod's HTML Purifier help message expanded (unreleased elsewhere)
  640. - Fix a theoretical class of infinite loops from DirectLex reported
  641. by Nate Abele
  642. - Work around unnecessary DOMElement type-cast in PH5P that caused errors
  643. in PHP 5.1
  644. - Work around PHP 4 SimpleTest lack-of-error complaining for one-time-only
  645. HTMLDefinition errors, this may indicate problems with error-collecting
  646. facilities in PHP 5
  647. - Make ErrorCollectorEMock work in both PHP 4 and PHP 5
  648. - Make PH5P work with PHP 5.0 by removing unnecessary array parameter typedef
  649. . %Core.AcceptFullDocuments renamed to %Core.ConvertDocumentToFragment
  650. to better communicate its purpose
  651. . Error unit tests can now specify the expectation of no errors. Future
  652. iterations of the harness will be extremely strict about what errors
  653. are allowed
  654. . Extend Injector hooks to allow for more powerful injector routines
  655. . HTMLDefinition->addBlankElement created, as according to the HTMLModule
  656. method
  657. . Doxygen configuration file updated, with minor improvements
  658. . Test runner now checks for similarly named files in conf/ directory too.
  659. . Minor cosmetic change to flush-definition-cache.php: trailing newline is
  660. outputted
  661. . Maintenance script for generating PH5P patch added, original PH5P source
  662. file also added under version control
  663. . Full unit test runner script title made more descriptive with PHP version
  664. . Updated INSTALL file to state that 4.3.7 is the earliest version we
  665. are actively testing
  666. 2.1.2, released 2007-09-03
  667. ! Implemented Object module for trusted users
  668. ! Implemented experimental HTML5 parsing mode using PH5P. To use, add
  669. this to your code:
  670. require_once 'HTMLPurifier/Lexer/PH5P.php';
  671. $config->set('Core', 'LexerImpl', 'PH5P');
  672. Note that this Lexer introduces some classes not in the HTMLPurifier
  673. namespace. Also, this is PHP5 only.
  674. ! CSS property border-spacing implemented
  675. - Fix non-visible parsing error in DirectLex with empty tags that have
  676. slashes inside attribute values.
  677. - Fix typo in CSS definition: border-collapse:seperate; was incorrectly
  678. accepted as valid CSS. Usually non-visible, because this styling is the
  679. default for tables in most browsers. Thanks Brett Zamir for pointing
  680. this out.
  681. - Fix validation errors in configuration form
  682. - Hammer out a bunch of edge-case bugs in the standalone distribution
  683. - Inclusion reflection removed from URISchemeRegistry; you must manually
  684. include any new schema files you wish to use
  685. - Numerous typo fixes in documentation thanks to Brett Zamir
  686. . Unit test refactoring for one logical test per test function
  687. . Config and context parameters in ComplexHarness deprecated: instead, edit
  688. the $config and $context member variables
  689. . HTML wrapper in DOMLex now takes DTD identifiers into account; doesn't
  690. really make a difference, but is good for completeness sake
  691. . merge-library.php script refactored for greater code reusability and
  692. PHP4 compatibility
  693. 2.1.1, released 2007-08-04
  694. - Fix show-stopper bug in %URI.MakeAbsolute functionality
  695. - Fix PHP4 syntax error in standalone version
  696. . Add prefix directory to include path for standalone, this prevents
  697. other installations from clobbering the standalone's URI schemes
  698. . Single test methods can be invoked by prefixing with __only
  699. 2.1.0, released 2007-08-02
  700. # flush-htmldefinition-cache.php superseded in favor of a generic
  701. flush-definition-cache.php script, you can clear a specific cache
  702. by passing its name as a parameter to the script
  703. ! Phorum mod implemented for HTML Purifier
  704. ! With %Core.AggressivelyFixLt, <3 and similar emoticons no longer
  705. trigger HTML removal in PHP5 (DOMLex). This directive is not necessary
  706. for PHP4 (DirectLex).
  707. ! Standalone file now available, which greatly reduces the amount of
  708. includes (although there are still a few files that reside in the
  709. standalone folder)
  710. ! Relative URIs can now be transformed into their absolute equivalents
  711. using %URI.Base and %URI.MakeAbsolute
  712. ! Ruby implemented for XHTML 1.1
  713. ! You can now define custom URI filtering behavior, see enduser-uri-filter.html
  714. for more details
  715. ! UTF-8 font names now supported in CSS
  716. - AutoFormatters emit friendly error messages if tags or attributes they
  717. need are not allowed
  718. - ConfigForm's compactification of directive names is now configurable
  719. - AutoParagraph autoformatter algorithm refined after field-testing
  720. - XHTML 1.1 now applies XHTML 1.0 Strict cleanup routines, namely
  721. blockquote wrapping
  722. - Contents of <style> tags removed by default when tags are removed
  723. . HTMLPurifier_Config->getSerial() implemented, this is extremely useful
  724. for output cache invalidation
  725. . ConfigForm printer now can retrieve CSS and JS files as strings, in
  726. case HTML Purifier's directory is not publically accessible
  727. . Introduce new text/itext configuration directive values: these represent
  728. longer strings that would be more appropriately edited with a textarea
  729. . Allow newlines to act as separators for lists, hashes, lookups and
  730. %HTML.Allowed
  731. . ConfigForm generates textareas instead of text inputs for lists, hashes,
  732. lookups, text and itext fields
  733. . Hidden element content removal genericized: %Core.HiddenElements can
  734. be used to customize this behavior, by default <script> and <style> are
  735. hidden
  736. . Added HTMLPURIFIER_PREFIX constant, should be used instead of dirname(__FILE__)
  737. . Custom ChildDef added to default include list
  738. . URIScheme reflection improved: will not attempt to include file if class
  739. already exists. May clobber autoload, so I need to keep an eye on it
  740. . ConfigSchema heavily optimized, will only collect information and validate
  741. definitions when HTMLPURIFIER_SCHEMA_STRICT is true.
  742. . AttrDef_URI unit tests and implementation refactored
  743. . benchmarks/ directory now protected from public view with .htaccess file;
  744. run the tests via command line
  745. . URI scheme is munged off if there is no authority and the scheme is the
  746. default one
  747. . All unit tests inherit from HTMLPurifier_Harness, not UnitTestCase
  748. . Interface for URIScheme changed
  749. . Generic URI object to hold components of URI added, most systems involved
  750. in URI validation have been migrated to use it
  751. . Custom filtering for URIs factored out to URIDefinition interface for
  752. maximum extensibility
  753. 2.0.1, released 2007-06-27
  754. ! Tag auto-closing now based on a ChildDef heuristic rather than a
  755. manually set auto_close array; some behavior may change
  756. ! Experimental AutoFormat functionality added: auto-paragraph and
  757. linkify your HTML input by setting %AutoFormat.AutoParagraph and
  758. %AutoFormat.Linkify to true
  759. ! Newlines normalized internally, and then converted back to the
  760. value of PHP_EOL. If this is not desired, set your newline format
  761. using %Output.Newline.
  762. ! Beta error collection, messages are implemented for the most generic
  763. cases involving Lexing or Strategies
  764. - Clean up special case code for <script> tags
  765. - Reorder includes for DefinitionCache decorators, fixes a possible
  766. missing class error
  767. - Fixed bug where manually modified definitions were not saved via cache
  768. (mostly harmless, except for the fact that it would be a little slower)
  769. - Configuration objects with different serials do not clobber each
  770. others when revision numbers are unequal
  771. - Improve Serializer DefinitionCache directory permissions checks
  772. - DefinitionCache no longer throws errors when it encounters old
  773. serial files that do not conform to the current style
  774. - Stray xmlns attributes removed from configuration documentation
  775. - configForm.php smoketest no longer has XSS vulnerability due to
  776. unescaped print_r output
  777. - Printer adheres to configuration's directives on output format
  778. - Fix improperly named form field in ConfigForm printer
  779. . Rewire some test-cases to swallow errors rather than expect them
  780. . HTMLDefinition printer updated with some of the new attributes
  781. . DefinitionCache keys reordered to reflect precedence: version number,
  782. hash, then revision number
  783. . %Core.DefinitionCache renamed to %Cache.DefinitionImpl
  784. . Interlinking in configuration documentation added using
  785. Injector_PurifierLinkify
  786. . Directives now keep track of aliases to themselves
  787. . Error collector now requires a severity to be passed, use PHP's internal
  788. error constants for this
  789. . HTMLPurifier_Config::getAllowedDirectivesForForm implemented, allows
  790. much easier selective embedding of configuration values
  791. . Doctype objects now accept public and system DTD identifiers
  792. . %HTML.Doctype is now constrained by specific values, to specify a custom
  793. doctype use new %HTML.CustomDoctype
  794. . ConfigForm truncates long directives to keep the form small, and does
  795. not re-output namespaces
  796. 2.0.0, released 2007-06-20
  797. # Completely refactored HTMLModuleManager, decentralizing safety
  798. information
  799. # Transform modules changed to Tidy modules, which offer more flexibility
  800. and better modularization
  801. # Configuration object now finalizes itself when a read operation is
  802. performed on it, ensuring that its internal state stays consistent.
  803. To revert this behavior, you can set the $autoFinalize member variable
  804. off, but it's not recommended.
  805. # New compact syntax for AttrDef objects that can be used to instantiate
  806. new objects via make()
  807. # Definitions (esp. HTMLDefinition) are now cached for a significant
  808. performance boost. You can disable caching by setting %Core.DefinitionCache
  809. to null. You CANNOT edit raw definitions without setting the corresponding
  810. DefinitionID directive (%HTML.DefinitionID for HTMLDefinition).
  811. # Contents between <script> tags are now completely removed if <script>
  812. is not allowed
  813. # Prototype-declarations for Lexer removed in favor of configuration
  814. determination of Lexer implementations.
  815. ! HTML Purifier now works in PHP 4.3.2.
  816. ! Configuration form-editing API makes tweaking HTMLPurifier_Config a
  817. breeze!
  818. ! Configuration directives that accept hashes now allow new string
  819. format: key1:value1,key2:value2
  820. ! ConfigDoc now factored into OOP design
  821. ! All deprecated elements now natively supported
  822. ! Implement TinyMCE styled whitelist specification format in
  823. %HTML.Allowed
  824. ! Config object gives more friendly error messages when things go wrong
  825. ! Advanced API implemented: easy functions for creating elements (addElement)
  826. and attributes (addAttribute) on HTMLDefinition
  827. ! Add native support for required attributes
  828. - Deprecated and removed EnableRedundantUTF8Cleaning. It didn't even work!
  829. - DOMLex will not emit errors when a custom error handler that does not
  830. honor error_reporting is used
  831. - StrictBlockquote child definition refrains from wrapping whitespace
  832. in tags now.
  833. - Bug resulting from tag transforms to non-allowed elements fixed
  834. - ChildDef_Custom's regex generation has been improved, removing several
  835. false positives
  836. . Unit test for ElementDef created, ElementDef behavior modified to
  837. be more flexible
  838. . Added convenience functions for HTMLModule constructors
  839. . AttrTypes now has accessor functions that should be used instead
  840. of directly manipulating info
  841. . TagTransform_Center deprecated in favor of generic TagTransform_Simple
  842. . Add extra protection in AttrDef_URI against phantom Schemes
  843. . Doctype object added to HTMLDefinition which describes certain aspects
  844. of the operational document type
  845. . Lexer is now pre-emptively included, with a conditional include for the
  846. PHP5 only version.
  847. . HTMLDefinition and CSSDefinition have a common parent class: Definition.
  848. . DirectLex can now track line-numbers
  849. . Preliminary error collector is in place, although no code actually reports
  850. errors yet
  851. . Factor out most of ValidateAttributes to new AttrValidator class
  852. 1.6.1, released 2007-05-05
  853. ! Support for more deprecated attributes via transformations:
  854. + hspace and vspace in img
  855. + size and noshade in hr
  856. + nowrap in td
  857. + clear in br
  858. + align in caption, table, img and hr
  859. + type in ul, ol and li
  860. ! DirectLex now preserves text in which a < bracket is followed by
  861. a non-alphanumeric character. This means that certain emoticons
  862. are now preserved.
  863. ! %Core.RemoveInvalidImg is now operational, when set to false invalid
  864. images will hang around with an empty src
  865. ! target attribute in a tag supported, use %Attr.AllowedFrameTargets
  866. to enable
  867. ! CSS property white-space now allows nowrap (supported in all modern
  868. browsers) but not others (which have spotty browser implementations)
  869. ! XHTML 1.1 mode now sort-of works without any fatal errors, and
  870. lang is now moved over to xml:lang.
  871. ! Attribute transformation smoketest available at smoketests/attrTransform.php
  872. ! Transformation of font's size attribute now handles super-large numbers
  873. - Possibly fatal bug with __autoload() fixed in module manager
  874. - Invert HTMLModuleManager->addModule() processing order to check
  875. prefixes first and then the literal module
  876. - Empty strings get converted to empty arrays instead of arrays with
  877. an empty string in them.
  878. - Merging in attribute lists now works.
  879. . Demo script removed: it has been added to the website's repository
  880. . Basic.php script modified to work out of the box
  881. . Refactor AttrTransform classes to reduce duplication
  882. . AttrTransform_TextAlign axed in favor of a more general
  883. AttrTransform_EnumToCSS, refer to HTMLModule/TransformToStrict.php to
  884. see how the new equivalent is implemented
  885. . Unit tests now use exclusively assertIdentical
  886. 1.6.0, released 2007-04-01
  887. ! Support for most common deprecated attributes via transformations:
  888. + bgcolor in td, th, tr and table
  889. + border in img
  890. + name in a and img
  891. + width in td, th and hr
  892. + height in td, th
  893. ! Support for CSS attribute 'height' added
  894. ! Support for rel and rev attributes in a tags added, use %Attr.AllowedRel
  895. and %Attr.AllowedRev to activate
  896. - You can define ID blacklists using regular expressions via
  897. %Attr.IDBlacklistRegexp
  898. - Error messages are emitted when you attempt to "allow" elements or
  899. attributes that HTML Purifier does not support
  900. - Fix segfault in unit test. The problem is not very reproduceable and
  901. I don't know what causes it, but a six line patch fixed it.
  902. 1.5.0, released 2007-03-23
  903. ! Added a rudimentary I18N and L10N system modeled off MediaWiki. It
  904. doesn't actually do anything yet, but keep your eyes peeled.
  905. ! docs/enduser-utf8.html explains how to use UTF-8 and HTML Purifier
  906. ! Newly structured HTMLDefinition modeled off of XHTML 1.1 modules.
  907. I am loathe to release beta quality APIs, but this is exactly that;
  908. don't use the internal interfaces if you're not willing to do migration
  909. later on.
  910. - Allow 'x' subtag in language codes
  911. - Fixed buggy chameleon-support for ins and del
  912. . Added support for IDREF attributes (i.e. for)
  913. . Renamed HTMLPurifier_AttrDef_Class to HTMLPurifier_AttrDef_Nmtokens
  914. . Removed context variable ParentType, replaced with IsInline, which
  915. is false when you're not inline and an integer of the parent that
  916. caused you to become inline when you are (so possibly zero)
  917. . Removed ElementDef->type in favor of ElementDef->descendants_are_inline
  918. and HTMLDefinition->content_sets
  919. . StrictBlockquote now reports what elements its supposed to allow,
  920. rather than what it does allow
  921. . Removed HTMLDefinition->info_flow_elements in favor of
  922. HTMLDefinition->content_sets['Flow']
  923. . Removed redundant "exclusionary" definitions from DTD roster
  924. . StrictBlockquote now requires a construction parameter as if it
  925. were an Required ChildDef, this is the "real" set of allowed elements
  926. . AttrDef partitioned into HTML, CSS and URI segments
  927. . Modify Youtube filter regexp to be multiline
  928. . Require both PHP5 and DOM extension in order to use DOMLex, fixes
  929. some edge cases where a DOMDocument class exists in a PHP4 environment
  930. due to DOM XML extension.
  931. 1.4.1, released 2007-01-21
  932. ! docs/enduser-youtube.html updated according to new functionality
  933. - YouTube IDs can have underscores and dashes
  934. 1.4.0, released 2007-01-21
  935. ! Implemented list-style-image, URIs now allowed in list-style
  936. ! Implemented background-image, background-repeat, background-attachment
  937. and background-position CSS properties. Shorthand property background
  938. supports all of these properties.
  939. ! Configuration documentation looks nicer
  940. ! Added %Core.EscapeNonASCIICharacters to workaround loss of Unicode
  941. characters while %Core.Encoding is set to a non-UTF-8 encoding.
  942. ! Support for configuration directive aliases added
  943. ! Config object can now be instantiated from ini files
  944. ! YouTube preservation code added to the core, with two lines of code
  945. you can add it as a filter to your code. See smoketests/preserveYouTube.php
  946. for sample code.
  947. ! Moved SLOW to docs/enduser-slow.html and added code examples
  948. - Replaced version check with functionality check for DOM (thanks Stephen
  949. Khoo)
  950. . Added smoketest 'all.php', which loads all other smoketests via frames
  951. . Implemented AttrDef_CSSURI for url(http://google.com) style declarations
  952. . Added convenient single test selector form on test runner
  953. 1.3.2, released 2006-12-25
  954. ! HTMLPurifier object now accepts configuration arrays, no need to manually
  955. instantiate a configuration object
  956. ! Context object now accessible to outside
  957. ! Added enduser-youtube.html, explains how to embed YouTube videos. See
  958. also corresponding smoketest preserveYouTube.php.
  959. ! Added purifyArray(), which takes a list of HTML and purifies it all
  960. ! Added static member variable $version to HTML Purifier with PHP-compatible
  961. version number string.
  962. - Fixed fatal error thrown by upper-cased language attributes
  963. - printDefinition.php: added labels, added better clarification
  964. . HTMLPurifier_Config::create() added, takes mixed variable and converts into
  965. a HTMLPurifier_Config object.
  966. 1.3.1, released 2006-12-06
  967. ! Added HTMLPurifier.func.php stub for a convenient function to call the library
  968. - Fixed bug in RemoveInvalidImg code that caused all images to be dropped
  969. (thanks to .mario for reporting this)
  970. . Standardized all attribute handling variables to attr, made it plural
  971. 1.3.0, released 2006-11-26
  972. # Invalid images are now removed, rather than replaced with a dud
  973. <img src="" alt="Invalid image" />. Previous behavior can be restored
  974. with new directive %Core.RemoveInvalidImg set to false.
  975. ! (X)HTML Strict now supported
  976. + Transparently handles inline elements in block context (blockquote)
  977. ! Added GET method to demo for easier validation, added 50kb max input size
  978. ! New directive %HTML.BlockWrapper, for block-ifying inline elements
  979. ! New directive %HTML.Parent, allows you to only allow inline content
  980. ! New directives %HTML.AllowedElements and %HTML.AllowedAttributes to let
  981. users narrow the set of allowed tags
  982. ! <li value="4"> and <ul start="2"> now allowed in loose mode
  983. ! New directives %URI.DisableExternalResources and %URI.DisableResources
  984. ! New directive %Attr.DisableURI, which eliminates all hyperlinking
  985. ! New directive %URI.Munge, munges URI so you can use some sort of redirector
  986. service to avoid PageRank leaks or warn users that they are exiting your site.
  987. ! Added spiffy new smoketest printDefinition.php, which lets you twiddle with
  988. the configuration settings and see how the internal rules are affected.
  989. ! New directive %URI.HostBlacklist for blocking links to bad hosts.
  990. xssAttacks.php smoketest updated accordingly.
  991. - Added missing type to ChildDef_Chameleon
  992. - Remove Tidy option from demo if there is not Tidy available
  993. . ChildDef_Required guards against empty tags
  994. . Lookup table HTMLDefinition->info_flow_elements added
  995. . Added peace-of-mind variable initialization to Strategy_FixNesting
  996. . Added HTMLPurifier->info_parent_def, parent child processing made special
  997. . Added internal documents briefly summarizing future progression of HTML
  998. . HTMLPurifier_Config->getBatch($namespace) added
  999. . More lenient casting to bool from string in HTMLPurifier_ConfigSchema
  1000. . Refactored ChildDef classes into their own files
  1001. 1.2.0, released 2006-11-19
  1002. # ID attributes now disabled by default. New directives:
  1003. + %HTML.EnableAttrID - restores old behavior by allowing IDs
  1004. + %Attr.IDPrefix - %Attr.IDBlacklist alternative that munges all user IDs
  1005. so that they don't collide with your IDs
  1006. + %Attr.IDPrefixLocal - Same as above, but for when there are multiple
  1007. instances of user content on the page
  1008. + Profuse documentation on how to use these available in docs/enduser-id.txt
  1009. ! Added MODx plugin <http://modxcms.com/forums/index.php/topic,6604.0.html>
  1010. ! Added percent encoding normalization
  1011. ! XSS attacks smoketest given facelift
  1012. ! Configuration documentation now has table of contents
  1013. ! Added %URI.DisableExternal, which prevents links to external websites. You
  1014. can also use %URI.Host to permit absolute linking to subdomains
  1015. ! Non-accessible resources (ex. mailto) blocked from embedded URIs (img src)
  1016. - Type variable in HTMLDefinition was not being set properly, fixed
  1017. - Documentation updated
  1018. + TODO added request Phalanger
  1019. + TODO added request Native compression
  1020. + TODO added request Remove redundant tags
  1021. + TODO added possible plaintext formatter for HTML Purifier documentation
  1022. + Updated ConfigDoc TODO
  1023. + Improved inline comments in AttrDef/Class.php, AttrDef/CSS.php
  1024. and AttrDef/Host.php
  1025. + Revamped documentation into HTML, along with misc updates
  1026. - HTMLPurifier_Context doesn't throw a variable reference error if you attempt
  1027. to retrieve a non-existent variable
  1028. . Switched to purify()-wide Context object registry
  1029. . Refactored unit tests to minimize duplication
  1030. . XSS attack sheet updated
  1031. . configdoc.xml now has xml:space attached to default value nodes
  1032. . Allow configuration directives to permit null values
  1033. . Cleaned up test-cases to remove unnecessary swallowErrors()
  1034. 1.1.2, released 2006-09-30
  1035. ! Add HTMLPurifier.auto.php stub file that configures include_path
  1036. - Documentation updated
  1037. + INSTALL document rewritten
  1038. + TODO added semi-lossy conversion
  1039. + API Doxygen docs' file exclusions updated
  1040. + Added notes on HTML versus XML attribute whitespace handling
  1041. + Noted that HTMLPurifier_ChildDef_Custom isn't being used
  1042. + Noted that config object's definitions are cached versions
  1043. - Fixed lack of attribute parsing in HTMLPurifier_Lexer_PEARSax3
  1044. - ftp:// URIs now have their typecodes checked
  1045. - Hooked up HTMLPurifier_ChildDef_Custom's unit tests (they weren't being run)
  1046. . Line endings standardized throughout project (svn:eol-style standardized)
  1047. . Refactored parseData() to general Lexer class
  1048. . Tester named "HTML Purifier" not "HTMLPurifier"
  1049. 1.1.1, released 2006-09-24
  1050. ! Configuration option to optionally Tidy up output for indentation to make up
  1051. for dropped whitespace by DOMLex (pretty-printing for the entire application
  1052. should be done by a page-wide Tidy)
  1053. - Various documentation updates
  1054. - Fixed parse error in configuration documentation script
  1055. - Fixed fatal error in benchmark scripts, slightly augmented
  1056. - As far as possible, whitespace is preserved in-between table children
  1057. - Sample test-settings.php file included
  1058. 1.1.0, released 2006-09-16
  1059. ! Directive documentation generation using XSLT
  1060. ! XHTML can now be turned off, output becomes <br>
  1061. - Made URI validator more forgiving: will ignore leading and trailing
  1062. quotes, apostrophes and less than or greater than signs.
  1063. - Enforce alphanumeric namespace and directive names for configuration.
  1064. - Table child definition made more flexible, will fix up poorly ordered elements
  1065. . Renamed ConfigDef to ConfigSchema
  1066. 1.0.1, released 2006-09-04
  1067. - Fixed slight bug in DOMLex attribute parsing
  1068. - Fixed rejection of case-insensitive configuration values when there is a
  1069. set of allowed values. This manifested in %Core.Encoding.
  1070. - Fixed rejection of inline style declarations that had lots of extra
  1071. space in them. This manifested in TinyMCE.
  1072. 1.0.0, released 2006-09-01
  1073. ! Shorthand CSS properties implemented: font, border, background, list-style
  1074. ! Basic color keywords translated into hexadecimal values
  1075. ! Table CSS properties implemented
  1076. ! Support for charsets other than UTF-8 (defined by iconv)
  1077. ! Malformed UTF-8 and non-SGML character detection and cleaning implemented
  1078. - Fixed broken numeric entity conversion
  1079. - API documentation completed
  1080. . (HTML|CSS)Definition de-singleton-ized
  1081. 1.0.0beta, released 2006-08-16
  1082. ! First public release, most functionality implemented. Notable omissions are:
  1083. + Shorthand CSS properties
  1084. + Table CSS properties
  1085. + Deprecated attribute transformations
  1086. vim: et sw=4 sts=4