:arrow_up: Update HTML Purifier library.

Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.

20 files changed, 0 insertions, 818 deletions

diff --git a/library/HTMLPurifier/AttrTransform/Background.php b/library/HTMLPurifier/AttrTransform/Background.php
deleted file mode 100644
index 2f72869a5..000000000
--- a/library/HTMLPurifier/AttrTransform/Background.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes proprietary background attribute to CSS.
- */
-class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['background'])) {
-            return $attr;
-        }
-
-        $background = $this->confiscateAttr($attr, 'background');
-        // some validation should happen here
-
-        $this->prependCSS($attr, "background-image:url($background);");
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/BdoDir.php b/library/HTMLPurifier/AttrTransform/BdoDir.php
deleted file mode 100644
index d66c04a5b..000000000
--- a/library/HTMLPurifier/AttrTransform/BdoDir.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-// this MUST be placed in post, as it assumes that any value in dir is valid
-
-/**
- * Post-trasnform that ensures that bdo tags have the dir attribute set.
- */
-class HTMLPurifier_AttrTransform_BdoDir extends HTMLPurifier_AttrTransform
-{
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (isset($attr['dir'])) {
-            return $attr;
-        }
-        $attr['dir'] = $config->get('Attr.DefaultTextDir');
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/BgColor.php b/library/HTMLPurifier/AttrTransform/BgColor.php
deleted file mode 100644
index 0f51fd2ce..000000000
--- a/library/HTMLPurifier/AttrTransform/BgColor.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes deprecated bgcolor attribute to CSS.
- */
-class HTMLPurifier_AttrTransform_BgColor extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['bgcolor'])) {
-            return $attr;
-        }
-
-        $bgcolor = $this->confiscateAttr($attr, 'bgcolor');
-        // some validation should happen here
-
-        $this->prependCSS($attr, "background-color:$bgcolor;");
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/BoolToCSS.php b/library/HTMLPurifier/AttrTransform/BoolToCSS.php
deleted file mode 100644
index f25cd0195..000000000
--- a/library/HTMLPurifier/AttrTransform/BoolToCSS.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes converts a boolean attribute to fixed CSS
- */
-class HTMLPurifier_AttrTransform_BoolToCSS extends HTMLPurifier_AttrTransform
-{
-    /**
-     * Name of boolean attribute that is trigger.
-     * @type string
-     */
-    protected $attr;
-
-    /**
-     * CSS declarations to add to style, needs trailing semicolon.
-     * @type string
-     */
-    protected $css;
-
-    /**
-     * @param string $attr attribute name to convert from
-     * @param string $css CSS declarations to add to style (needs semicolon)
-     */
-    public function __construct($attr, $css)
-    {
-        $this->attr = $attr;
-        $this->css = $css;
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr[$this->attr])) {
-            return $attr;
-        }
-        unset($attr[$this->attr]);
-        $this->prependCSS($attr, $this->css);
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Border.php b/library/HTMLPurifier/AttrTransform/Border.php
deleted file mode 100644
index 057dc017f..000000000
--- a/library/HTMLPurifier/AttrTransform/Border.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes deprecated border attribute to CSS.
- */
-class HTMLPurifier_AttrTransform_Border extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['border'])) {
-            return $attr;
-        }
-        $border_width = $this->confiscateAttr($attr, 'border');
-        // some validation should happen here
-        $this->prependCSS($attr, "border:{$border_width}px solid;");
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/EnumToCSS.php b/library/HTMLPurifier/AttrTransform/EnumToCSS.php
deleted file mode 100644
index 7ccd0e3fb..000000000
--- a/library/HTMLPurifier/AttrTransform/EnumToCSS.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-/**
- * Generic pre-transform that converts an attribute with a fixed number of
- * values (enumerated) to CSS.
- */
-class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform
-{
-    /**
-     * Name of attribute to transform from.
-     * @type string
-     */
-    protected $attr;
-
-    /**
-     * Lookup array of attribute values to CSS.
-     * @type array
-     */
-    protected $enumToCSS = array();
-
-    /**
-     * Case sensitivity of the matching.
-     * @type bool
-     * @warning Currently can only be guaranteed to work with ASCII
-     *          values.
-     */
-    protected $caseSensitive = false;
-
-    /**
-     * @param string $attr Attribute name to transform from
-     * @param array $enum_to_css Lookup array of attribute values to CSS
-     * @param bool $case_sensitive Case sensitivity indicator, default false
-     */
-    public function __construct($attr, $enum_to_css, $case_sensitive = false)
-    {
-        $this->attr = $attr;
-        $this->enumToCSS = $enum_to_css;
-        $this->caseSensitive = (bool)$case_sensitive;
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr[$this->attr])) {
-            return $attr;
-        }
-
-        $value = trim($attr[$this->attr]);
-        unset($attr[$this->attr]);
-
-        if (!$this->caseSensitive) {
-            $value = strtolower($value);
-        }
-
-        if (!isset($this->enumToCSS[$value])) {
-            return $attr;
-        }
-        $this->prependCSS($attr, $this->enumToCSS[$value]);
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/ImgRequired.php b/library/HTMLPurifier/AttrTransform/ImgRequired.php
deleted file mode 100644
index 7df6cb3e1..000000000
--- a/library/HTMLPurifier/AttrTransform/ImgRequired.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-// must be called POST validation
-
-/**
- * Transform that supplies default values for the src and alt attributes
- * in img tags, as well as prevents the img tag from being removed
- * because of a missing alt tag. This needs to be registered as both
- * a pre and post attribute transform.
- */
-class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
-{
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        $src = true;
-        if (!isset($attr['src'])) {
-            if ($config->get('Core.RemoveInvalidImg')) {
-                return $attr;
-            }
-            $attr['src'] = $config->get('Attr.DefaultInvalidImage');
-            $src = false;
-        }
-
-        if (!isset($attr['alt'])) {
-            if ($src) {
-                $alt = $config->get('Attr.DefaultImageAlt');
-                if ($alt === null) {
-                    // truncate if the alt is too long
-                    $attr['alt'] = substr(basename($attr['src']), 0, 40);
-                } else {
-                    $attr['alt'] = $alt;
-                }
-            } else {
-                $attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt');
-            }
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/ImgSpace.php b/library/HTMLPurifier/AttrTransform/ImgSpace.php
deleted file mode 100644
index 350b3358f..000000000
--- a/library/HTMLPurifier/AttrTransform/ImgSpace.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes deprecated hspace and vspace attributes to CSS
- */
-class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type string
-     */
-    protected $attr;
-
-    /**
-     * @type array
-     */
-    protected $css = array(
-        'hspace' => array('left', 'right'),
-        'vspace' => array('top', 'bottom')
-    );
-
-    /**
-     * @param string $attr
-     */
-    public function __construct($attr)
-    {
-        $this->attr = $attr;
-        if (!isset($this->css[$attr])) {
-            trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
-        }
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr[$this->attr])) {
-            return $attr;
-        }
-
-        $width = $this->confiscateAttr($attr, $this->attr);
-        // some validation could happen here
-
-        if (!isset($this->css[$this->attr])) {
-            return $attr;
-        }
-
-        $style = '';
-        foreach ($this->css[$this->attr] as $suffix) {
-            $property = "margin-$suffix";
-            $style .= "$property:{$width}px;";
-        }
-        $this->prependCSS($attr, $style);
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Input.php b/library/HTMLPurifier/AttrTransform/Input.php
deleted file mode 100644
index 3ab47ed8c..000000000
--- a/library/HTMLPurifier/AttrTransform/Input.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-
-/**
- * Performs miscellaneous cross attribute validation and filtering for
- * input elements. This is meant to be a post-transform.
- */
-class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type HTMLPurifier_AttrDef_HTML_Pixels
-     */
-    protected $pixels;
-
-    public function __construct()
-    {
-        $this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels();
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['type'])) {
-            $t = 'text';
-        } else {
-            $t = strtolower($attr['type']);
-        }
-        if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') {
-            unset($attr['checked']);
-        }
-        if (isset($attr['maxlength']) && $t !== 'text' && $t !== 'password') {
-            unset($attr['maxlength']);
-        }
-        if (isset($attr['size']) && $t !== 'text' && $t !== 'password') {
-            $result = $this->pixels->validate($attr['size'], $config, $context);
-            if ($result === false) {
-                unset($attr['size']);
-            } else {
-                $attr['size'] = $result;
-            }
-        }
-        if (isset($attr['src']) && $t !== 'image') {
-            unset($attr['src']);
-        }
-        if (!isset($attr['value']) && ($t === 'radio' || $t === 'checkbox')) {
-            $attr['value'] = '';
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Lang.php b/library/HTMLPurifier/AttrTransform/Lang.php
deleted file mode 100644
index 5b0aff0e4..000000000
--- a/library/HTMLPurifier/AttrTransform/Lang.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-/**
- * Post-transform that copies lang's value to xml:lang (and vice-versa)
- * @note Theoretically speaking, this could be a pre-transform, but putting
- *       post is more efficient.
- */
-class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
-{
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        $lang = isset($attr['lang']) ? $attr['lang'] : false;
-        $xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false;
-
-        if ($lang !== false && $xml_lang === false) {
-            $attr['xml:lang'] = $lang;
-        } elseif ($xml_lang !== false) {
-            $attr['lang'] = $xml_lang;
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Length.php b/library/HTMLPurifier/AttrTransform/Length.php
deleted file mode 100644
index 853f33549..000000000
--- a/library/HTMLPurifier/AttrTransform/Length.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-
-/**
- * Class for handling width/height length attribute transformations to CSS
- */
-class HTMLPurifier_AttrTransform_Length extends HTMLPurifier_AttrTransform
-{
-
-    /**
-     * @type string
-     */
-    protected $name;
-
-    /**
-     * @type string
-     */
-    protected $cssName;
-
-    public function __construct($name, $css_name = null)
-    {
-        $this->name = $name;
-        $this->cssName = $css_name ? $css_name : $name;
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr[$this->name])) {
-            return $attr;
-        }
-        $length = $this->confiscateAttr($attr, $this->name);
-        if (ctype_digit($length)) {
-            $length .= 'px';
-        }
-        $this->prependCSS($attr, $this->cssName . ":$length;");
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Name.php b/library/HTMLPurifier/AttrTransform/Name.php
deleted file mode 100644
index 63cce6837..000000000
--- a/library/HTMLPurifier/AttrTransform/Name.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/**
- * Pre-transform that changes deprecated name attribute to ID if necessary
- */
-class HTMLPurifier_AttrTransform_Name extends HTMLPurifier_AttrTransform
-{
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        // Abort early if we're using relaxed definition of name
-        if ($config->get('HTML.Attr.Name.UseCDATA')) {
-            return $attr;
-        }
-        if (!isset($attr['name'])) {
-            return $attr;
-        }
-        $id = $this->confiscateAttr($attr, 'name');
-        if (isset($attr['id'])) {
-            return $attr;
-        }
-        $attr['id'] = $id;
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/NameSync.php b/library/HTMLPurifier/AttrTransform/NameSync.php
deleted file mode 100644
index 36079b786..000000000
--- a/library/HTMLPurifier/AttrTransform/NameSync.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-
-/**
- * Post-transform that performs validation to the name attribute; if
- * it is present with an equivalent id attribute, it is passed through;
- * otherwise validation is performed.
- */
-class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform
-{
-
-    public function __construct()
-    {
-        $this->idDef = new HTMLPurifier_AttrDef_HTML_ID();
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['name'])) {
-            return $attr;
-        }
-        $name = $attr['name'];
-        if (isset($attr['id']) && $attr['id'] === $name) {
-            return $attr;
-        }
-        $result = $this->idDef->validate($name, $config, $context);
-        if ($result === false) {
-            unset($attr['name']);
-        } else {
-            $attr['name'] = $result;
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Nofollow.php b/library/HTMLPurifier/AttrTransform/Nofollow.php
deleted file mode 100644
index 1057ebee1..000000000
--- a/library/HTMLPurifier/AttrTransform/Nofollow.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-// must be called POST validation
-
-/**
- * Adds rel="nofollow" to all outbound links.  This transform is
- * only attached if Attr.Nofollow is TRUE.
- */
-class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type HTMLPurifier_URIParser
-     */
-    private $parser;
-
-    public function __construct()
-    {
-        $this->parser = new HTMLPurifier_URIParser();
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['href'])) {
-            return $attr;
-        }
-
-        // XXX Kind of inefficient
-        $url = $this->parser->parse($attr['href']);
-        $scheme = $url->getSchemeObj($config, $context);
-
-        if ($scheme->browsable && !$url->isLocal($config, $context)) {
-            if (isset($attr['rel'])) {
-                $rels = explode(' ', $attr['rel']);
-                if (!in_array('nofollow', $rels)) {
-                    $rels[] = 'nofollow';
-                }
-                $attr['rel'] = implode(' ', $rels);
-            } else {
-                $attr['rel'] = 'nofollow';
-            }
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/SafeEmbed.php b/library/HTMLPurifier/AttrTransform/SafeEmbed.php
deleted file mode 100644
index 231c81a3f..000000000
--- a/library/HTMLPurifier/AttrTransform/SafeEmbed.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-class HTMLPurifier_AttrTransform_SafeEmbed extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type string
-     */
-    public $name = "SafeEmbed";
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        $attr['allowscriptaccess'] = 'never';
-        $attr['allownetworking'] = 'internal';
-        $attr['type'] = 'application/x-shockwave-flash';
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/SafeObject.php b/library/HTMLPurifier/AttrTransform/SafeObject.php
deleted file mode 100644
index d1f3a4d2e..000000000
--- a/library/HTMLPurifier/AttrTransform/SafeObject.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-/**
- * Writes default type for all objects. Currently only supports flash.
- */
-class HTMLPurifier_AttrTransform_SafeObject extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type string
-     */
-    public $name = "SafeObject";
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['type'])) {
-            $attr['type'] = 'application/x-shockwave-flash';
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/SafeParam.php b/library/HTMLPurifier/AttrTransform/SafeParam.php
deleted file mode 100644
index 1143b4b49..000000000
--- a/library/HTMLPurifier/AttrTransform/SafeParam.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<?php
-
-/**
- * Validates name/value pairs in param tags to be used in safe objects. This
- * will only allow name values it recognizes, and pre-fill certain attributes
- * with required values.
- *
- * @note
- *      This class only supports Flash. In the future, Quicktime support
- *      may be added.
- *
- * @warning
- *      This class expects an injector to add the necessary parameters tags.
- */
-class HTMLPurifier_AttrTransform_SafeParam extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type string
-     */
-    public $name = "SafeParam";
-
-    /**
-     * @type HTMLPurifier_AttrDef_URI
-     */
-    private $uri;
-
-    public function __construct()
-    {
-        $this->uri = new HTMLPurifier_AttrDef_URI(true); // embedded
-        $this->wmode = new HTMLPurifier_AttrDef_Enum(array('window', 'opaque', 'transparent'));
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        // If we add support for other objects, we'll need to alter the
-        // transforms.
-        switch ($attr['name']) {
-            // application/x-shockwave-flash
-            // Keep this synchronized with Injector/SafeObject.php
-            case 'allowScriptAccess':
-                $attr['value'] = 'never';
-                break;
-            case 'allowNetworking':
-                $attr['value'] = 'internal';
-                break;
-            case 'allowFullScreen':
-                if ($config->get('HTML.FlashAllowFullScreen')) {
-                    $attr['value'] = ($attr['value'] == 'true') ? 'true' : 'false';
-                } else {
-                    $attr['value'] = 'false';
-                }
-                break;
-            case 'wmode':
-                $attr['value'] = $this->wmode->validate($attr['value'], $config, $context);
-                break;
-            case 'movie':
-            case 'src':
-                $attr['name'] = "movie";
-                $attr['value'] = $this->uri->validate($attr['value'], $config, $context);
-                break;
-            case 'flashvars':
-                // we're going to allow arbitrary inputs to the SWF, on
-                // the reasoning that it could only hack the SWF, not us.
-                break;
-            // add other cases to support other param name/value pairs
-            default:
-                $attr['name'] = $attr['value'] = null;
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/ScriptRequired.php b/library/HTMLPurifier/AttrTransform/ScriptRequired.php
deleted file mode 100644
index b7057bbf8..000000000
--- a/library/HTMLPurifier/AttrTransform/ScriptRequired.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-/**
- * Implements required attribute stipulation for <script>
- */
-class HTMLPurifier_AttrTransform_ScriptRequired extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['type'])) {
-            $attr['type'] = 'text/javascript';
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/TargetBlank.php b/library/HTMLPurifier/AttrTransform/TargetBlank.php
deleted file mode 100644
index dd63ea89c..000000000
--- a/library/HTMLPurifier/AttrTransform/TargetBlank.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-
-// must be called POST validation
-
-/**
- * Adds target="blank" to all outbound links.  This transform is
- * only attached if Attr.TargetBlank is TRUE.  This works regardless
- * of whether or not Attr.AllowedFrameTargets
- */
-class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @type HTMLPurifier_URIParser
-     */
-    private $parser;
-
-    public function __construct()
-    {
-        $this->parser = new HTMLPurifier_URIParser();
-    }
-
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        if (!isset($attr['href'])) {
-            return $attr;
-        }
-
-        // XXX Kind of inefficient
-        $url = $this->parser->parse($attr['href']);
-        $scheme = $url->getSchemeObj($config, $context);
-
-        if ($scheme->browsable && !$url->isBenign($config, $context)) {
-            $attr['target'] = '_blank';
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/AttrTransform/Textarea.php b/library/HTMLPurifier/AttrTransform/Textarea.php
deleted file mode 100644
index 6a9f33a0c..000000000
--- a/library/HTMLPurifier/AttrTransform/Textarea.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-/**
- * Sets height/width defaults for <textarea>
- */
-class HTMLPurifier_AttrTransform_Textarea extends HTMLPurifier_AttrTransform
-{
-    /**
-     * @param array $attr
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return array
-     */
-    public function transform($attr, $config, $context)
-    {
-        // Calculated from Firefox
-        if (!isset($attr['cols'])) {
-            $attr['cols'] = '22';
-        }
-        if (!isset($attr['rows'])) {
-            $attr['rows'] = '3';
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4