1 files changed, 111 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php
new file mode 100644
index 00000000..ecd6e276
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php
@@ -0,0 +1,111 @@
+<?php
+/**
+ * Validates shorthand CSS property background.
+ * @warning Does not support url tokens that have internal spaces.
+ */
+class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
+{
+    /**
+     * Local copy of component validators.
+     * @type HTMLPurifier_AttrDef[]
+     * @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
+     */
+    protected $info;
+    /**
+     * @param HTMLPurifier_Config $config
+     */
+    public function __construct($config)
+    {
+        $def = $config->getCSSDefinition();
+        $this->info['background-color'] = $def->info['background-color'];
+        $this->info['background-image'] = $def->info['background-image'];
+        $this->info['background-repeat'] = $def->info['background-repeat'];
+        $this->info['background-attachment'] = $def->info['background-attachment'];
+        $this->info['background-position'] = $def->info['background-position'];
+    }
+    /**
+     * @param string $string
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return bool|string
+     */
+    public function validate($string, $config, $context)
+    {
+        // regular pre-processing
+        $string = $this->parseCDATA($string);
+        if ($string === '') {
+            return false;
+        }
+        // munge rgb() decl if necessary
+        $string = $this->mungeRgb($string);
+        // assumes URI doesn't have spaces in it
+        $bits = explode(' ', $string); // bits to process
+        $caught = array();
+        $caught['color'] = false;
+        $caught['image'] = false;
+        $caught['repeat'] = false;
+        $caught['attachment'] = false;
+        $caught['position'] = false;
+        $i = 0; // number of catches
+        foreach ($bits as $bit) {
+            if ($bit === '') {
+                continue;
+            }
+            foreach ($caught as $key => $status) {
+                if ($key != 'position') {
+                    if ($status !== false) {
+                        continue;
+                    }
+                    $r = $this->info['background-' . $key]->validate($bit, $config, $context);
+                } else {
+                    $r = $bit;
+                }
+                if ($r === false) {
+                    continue;
+                }
+                if ($key == 'position') {
+                    if ($caught[$key] === false) {
+                        $caught[$key] = '';
+                    }
+                    $caught[$key] .= $r . ' ';
+                } else {
+                    $caught[$key] = $r;
+                }
+                $i++;
+                break;
+            }
+        }
+        if (!$i) {
+            return false;
+        }
+        if ($caught['position'] !== false) {
+            $caught['position'] = $this->info['background-position']->
+                validate($caught['position'], $config, $context);
+        }
+        $ret = array();
+        foreach ($caught as $value) {
+            if ($value === false) {
+                continue;
+            }
+            $ret[] = $value;
+        }
+        if (empty($ret)) {
+            return false;
+        }
+        return implode(' ', $ret);
+    }
+}
+// vim: et sw=4 sts=4

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php new file mode 100644 index 00000000..ecd6e276 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Background.php
@@ -0,0 +1,111 @@
	1	<?php
	2
	3	/**
	4	* Validates shorthand CSS property background.
	5	* @warning Does not support url tokens that have internal spaces.
	6	*/
	7	class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
	8	{
	9
	10	/**
	11	* Local copy of component validators.
	12	* @type HTMLPurifier_AttrDef[]
	13	* @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
	14	*/
	15	protected $info;
	16
	17	/**
	18	* @param HTMLPurifier_Config $config
	19	*/
	20	public function __construct($config)
	21	{
	22	$def = $config->getCSSDefinition();
	23	$this->info['background-color'] = $def->info['background-color'];
	24	$this->info['background-image'] = $def->info['background-image'];
	25	$this->info['background-repeat'] = $def->info['background-repeat'];
	26	$this->info['background-attachment'] = $def->info['background-attachment'];
	27	$this->info['background-position'] = $def->info['background-position'];
	28	}
	29
	30	/**
	31	* @param string $string
	32	* @param HTMLPurifier_Config $config
	33	* @param HTMLPurifier_Context $context
	34	* @return bool\|string
	35	*/
	36	public function validate($string, $config, $context)
	37	{
	38	// regular pre-processing
	39	$string = $this->parseCDATA($string);
	40	if ($string === '') {
	41	return false;
	42	}
	43
	44	// munge rgb() decl if necessary
	45	$string = $this->mungeRgb($string);
	46
	47	// assumes URI doesn't have spaces in it
	48	$bits = explode(' ', $string); // bits to process
	49
	50	$caught = array();
	51	$caught['color'] = false;
	52	$caught['image'] = false;
	53	$caught['repeat'] = false;
	54	$caught['attachment'] = false;
	55	$caught['position'] = false;
	56
	57	$i = 0; // number of catches
	58
	59	foreach ($bits as $bit) {
	60	if ($bit === '') {
	61	continue;
	62	}
	63	foreach ($caught as $key => $status) {
	64	if ($key != 'position') {
	65	if ($status !== false) {
	66	continue;
	67	}
	68	$r = $this->info['background-' . $key]->validate($bit, $config, $context);
	69	} else {
	70	$r = $bit;
	71	}
	72	if ($r === false) {
	73	continue;
	74	}
	75	if ($key == 'position') {
	76	if ($caught[$key] === false) {
	77	$caught[$key] = '';
	78	}
	79	$caught[$key] .= $r . ' ';
	80	} else {
	81	$caught[$key] = $r;
	82	}
	83	$i++;
	84	break;
	85	}
	86	}
	87
	88	if (!$i) {
	89	return false;
	90	}
	91	if ($caught['position'] !== false) {
	92	$caught['position'] = $this->info['background-position']->
	93	validate($caught['position'], $config, $context);
	94	}
	95
	96	$ret = array();
	97	foreach ($caught as $value) {
	98	if ($value === false) {
	99	continue;
	100	}
	101	$ret[] = $value;
	102	}
	103
	104	if (empty($ret)) {
	105	return false;
	106	}
	107	return implode(' ', $ret);
	108	}
	109	}
	110
	111	// vim: et sw=4 sts=4