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mirror of https://github.com/ezyang/htmlpurifier.git synced 2025-08-05 13:47:24 +02:00

PSR-2 reformatting PHPDoc corrections

With minor corrections.

Signed-off-by: Marcus Bointon <marcus@synchromedia.co.uk>
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Marcus Bointon
2013-07-16 13:56:14 +02:00
committed by Edward Z. Yang
parent 19eee14899
commit fac747bdbd
433 changed files with 13302 additions and 6690 deletions

View File

@@ -3,19 +3,32 @@
class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
{
public function __construct() {
public function __construct()
{
parent::__construct(false); // opacity is non-negative, but we will clamp it
}
public function validate($number, $config, $context) {
/**
* @param string $number
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return string
*/
public function validate($number, $config, $context)
{
$result = parent::validate($number, $config, $context);
if ($result === false) return $result;
$float = (float) $result;
if ($float < 0.0) $result = '0';
if ($float > 1.0) $result = '1';
if ($result === false) {
return $result;
}
$float = (float)$result;
if ($float < 0.0) {
$result = '0';
}
if ($float > 1.0) {
$result = '1';
}
return $result;
}
}
// vim: et sw=4 sts=4

View File

@@ -9,11 +9,16 @@ 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 $info;
public function __construct($config) {
/**
* @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'];
@@ -22,11 +27,19 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$this->info['background-position'] = $def->info['background-position'];
}
public function validate($string, $config, $context) {
/**
* @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 ($string === '') return false;
if ($string === '') {
return false;
}
// munge rgb() decl if necessary
$string = $this->mungeRgb($string);
@@ -35,27 +48,34 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$bits = explode(' ', $string); // bits to process
$caught = array();
$caught['color'] = false;
$caught['image'] = false;
$caught['repeat'] = false;
$caught['color'] = false;
$caught['image'] = false;
$caught['repeat'] = false;
$caught['attachment'] = false;
$caught['position'] = false;
$i = 0; // number of catches
$none = false;
foreach ($bits as $bit) {
if ($bit === '') continue;
if ($bit === '') {
continue;
}
foreach ($caught as $key => $status) {
if ($key != 'position') {
if ($status !== false) continue;
if ($status !== false) {
continue;
}
$r = $this->info['background-' . $key]->validate($bit, $config, $context);
} else {
$r = $bit;
}
if ($r === false) continue;
if ($r === false) {
continue;
}
if ($key == 'position') {
if ($caught[$key] === false) $caught[$key] = '';
if ($caught[$key] === false) {
$caught[$key] = '';
}
$caught[$key] .= $r . ' ';
} else {
$caught[$key] = $r;
@@ -65,7 +85,9 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
}
}
if (!$i) return false;
if (!$i) {
return false;
}
if ($caught['position'] !== false) {
$caught['position'] = $this->info['background-position']->
validate($caught['position'], $config, $context);
@@ -73,15 +95,17 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$ret = array();
foreach ($caught as $value) {
if ($value === false) continue;
if ($value === false) {
continue;
}
$ret[] = $value;
}
if (empty($ret)) return false;
if (empty($ret)) {
return false;
}
return implode(' ', $ret);
}
}
// vim: et sw=4 sts=4

View File

@@ -44,15 +44,30 @@
class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
{
/**
* @type HTMLPurifier_AttrDef_CSS_Length
*/
protected $length;
/**
* @type HTMLPurifier_AttrDef_CSS_Percentage
*/
protected $percentage;
public function __construct() {
$this->length = new HTMLPurifier_AttrDef_CSS_Length();
public function __construct()
{
$this->length = new HTMLPurifier_AttrDef_CSS_Length();
$this->percentage = new HTMLPurifier_AttrDef_CSS_Percentage();
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string);
$bits = explode(' ', $string);
@@ -74,7 +89,9 @@ class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
);
foreach ($bits as $bit) {
if ($bit === '') continue;
if ($bit === '') {
continue;
}
// test for keyword
$lbit = ctype_lower($bit) ? $bit : strtolower($bit);
@@ -104,30 +121,37 @@ class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
$measures[] = $r;
$i++;
}
}
if (!$i) return false; // no valid values were caught
if (!$i) {
return false;
} // no valid values were caught
$ret = array();
// first keyword
if ($keywords['h']) $ret[] = $keywords['h'];
elseif ($keywords['ch']) {
if ($keywords['h']) {
$ret[] = $keywords['h'];
} elseif ($keywords['ch']) {
$ret[] = $keywords['ch'];
$keywords['cv'] = false; // prevent re-use: center = center center
} elseif (count($measures)) {
$ret[] = array_shift($measures);
}
elseif (count($measures)) $ret[] = array_shift($measures);
if ($keywords['v']) $ret[] = $keywords['v'];
elseif ($keywords['cv']) $ret[] = $keywords['cv'];
elseif (count($measures)) $ret[] = array_shift($measures);
if ($keywords['v']) {
$ret[] = $keywords['v'];
} elseif ($keywords['cv']) {
$ret[] = $keywords['cv'];
} elseif (count($measures)) {
$ret[] = array_shift($measures);
}
if (empty($ret)) return false;
if (empty($ret)) {
return false;
}
return implode(' ', $ret);
}
}
// vim: et sw=4 sts=4

View File

@@ -8,17 +8,29 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
/**
* Local copy of properties this property is shorthand for.
* @type HTMLPurifier_AttrDef[]
*/
protected $info = array();
public function __construct($config) {
/**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition();
$this->info['border-width'] = $def->info['border-width'];
$this->info['border-style'] = $def->info['border-style'];
$this->info['border-top-color'] = $def->info['border-top-color'];
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string);
$string = $this->mungeRgb($string);
$bits = explode(' ', $string);
@@ -26,7 +38,9 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
$ret = ''; // return value
foreach ($bits as $bit) {
foreach ($this->info as $propname => $validator) {
if (isset($done[$propname])) continue;
if (isset($done[$propname])) {
continue;
}
$r = $validator->validate($bit, $config, $context);
if ($r !== false) {
$ret .= $r . ' ';
@@ -37,7 +51,6 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
}
return rtrim($ret);
}
}
// vim: et sw=4 sts=4

View File

@@ -6,29 +6,47 @@
class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
{
public function validate($color, $config, $context) {
/**
* @param string $color
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($color, $config, $context)
{
static $colors = null;
if ($colors === null) $colors = $config->get('Core.ColorKeywords');
if ($colors === null) {
$colors = $config->get('Core.ColorKeywords');
}
$color = trim($color);
if ($color === '') return false;
if ($color === '') {
return false;
}
$lower = strtolower($color);
if (isset($colors[$lower])) return $colors[$lower];
if (isset($colors[$lower])) {
return $colors[$lower];
}
if (strpos($color, 'rgb(') !== false) {
// rgb literal handling
$length = strlen($color);
if (strpos($color, ')') !== $length - 1) return false;
if (strpos($color, ')') !== $length - 1) {
return false;
}
$triad = substr($color, 4, $length - 4 - 1);
$parts = explode(',', $triad);
if (count($parts) !== 3) return false;
if (count($parts) !== 3) {
return false;
}
$type = false; // to ensure that they're all the same type
$new_parts = array();
foreach ($parts as $part) {
$part = trim($part);
if ($part === '') return false;
if ($part === '') {
return false;
}
$length = strlen($part);
if ($part[$length - 1] === '%') {
// handle percents
@@ -37,9 +55,13 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
} elseif ($type !== 'percentage') {
return false;
}
$num = (float) substr($part, 0, $length - 1);
if ($num < 0) $num = 0;
if ($num > 100) $num = 100;
$num = (float)substr($part, 0, $length - 1);
if ($num < 0) {
$num = 0;
}
if ($num > 100) {
$num = 100;
}
$new_parts[] = "$num%";
} else {
// handle integers
@@ -48,10 +70,14 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
} elseif ($type !== 'integer') {
return false;
}
$num = (int) $part;
if ($num < 0) $num = 0;
if ($num > 255) $num = 255;
$new_parts[] = (string) $num;
$num = (int)$part;
if ($num < 0) {
$num = 0;
}
if ($num > 255) {
$num = 255;
}
$new_parts[] = (string)$num;
}
}
$new_triad = implode(',', $new_parts);
@@ -65,14 +91,15 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
$color = '#' . $color;
}
$length = strlen($hex);
if ($length !== 3 && $length !== 6) return false;
if (!ctype_xdigit($hex)) return false;
if ($length !== 3 && $length !== 6) {
return false;
}
if (!ctype_xdigit($hex)) {
return false;
}
}
return $color;
}
}
// vim: et sw=4 sts=4

View File

@@ -13,26 +13,36 @@ class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
{
/**
* List of HTMLPurifier_AttrDef objects that may process strings
* List of objects that may process strings.
* @type HTMLPurifier_AttrDef[]
* @todo Make protected
*/
public $defs;
/**
* @param $defs List of HTMLPurifier_AttrDef objects
* @param HTMLPurifier_AttrDef[] $defs List of HTMLPurifier_AttrDef objects
*/
public function __construct($defs) {
public function __construct($defs)
{
$this->defs = $defs;
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
foreach ($this->defs as $i => $def) {
$result = $this->defs[$i]->validate($string, $config, $context);
if ($result !== false) return $result;
if ($result !== false) {
return $result;
}
}
return false;
}
}
// vim: et sw=4 sts=4

View File

@@ -5,22 +5,38 @@
*/
class HTMLPurifier_AttrDef_CSS_DenyElementDecorator extends HTMLPurifier_AttrDef
{
public $def, $element;
/**
* @type HTMLPurifier_AttrDef
*/
public $def;
/**
* @type string
*/
public $element;
/**
* @param $def Definition to wrap
* @param $element Element to deny
* @param HTMLPurifier_AttrDef $def Definition to wrap
* @param string $element Element to deny
*/
public function __construct($def, $element) {
public function __construct($def, $element)
{
$this->def = $def;
$this->element = $element;
}
/**
* Checks if CurrentToken is set and equal to $this->element
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context) {
public function validate($string, $config, $context)
{
$token = $context->get('CurrentToken', true);
if ($token && $token->name == $this->element) return false;
if ($token && $token->name == $this->element) {
return false;
}
return $this->def->validate($string, $config, $context);
}
}

View File

@@ -7,23 +7,37 @@
*/
class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
{
/**
* @type HTMLPurifier_AttrDef_Integer
*/
protected $intValidator;
public function __construct() {
public function __construct()
{
$this->intValidator = new HTMLPurifier_AttrDef_Integer();
}
public function validate($value, $config, $context) {
/**
* @param string $value
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($value, $config, $context)
{
$value = $this->parseCDATA($value);
if ($value === 'none') return $value;
if ($value === 'none') {
return $value;
}
// if we looped this we could support multiple filters
$function_length = strcspn($value, '(');
$function = trim(substr($value, 0, $function_length));
if ($function !== 'alpha' &&
$function !== 'Alpha' &&
$function !== 'progid:DXImageTransform.Microsoft.Alpha'
) return false;
) {
return false;
}
$cursor = $function_length + 1;
$parameters_length = strcspn($value, ')', $cursor);
$parameters = substr($value, $cursor, $parameters_length);
@@ -32,15 +46,25 @@ class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
$lookup = array();
foreach ($params as $param) {
list($key, $value) = explode('=', $param);
$key = trim($key);
$key = trim($key);
$value = trim($value);
if (isset($lookup[$key])) continue;
if ($key !== 'opacity') continue;
if (isset($lookup[$key])) {
continue;
}
if ($key !== 'opacity') {
continue;
}
$value = $this->intValidator->validate($value, $config, $context);
if ($value === false) continue;
$int = (int) $value;
if ($int > 100) $value = '100';
if ($int < 0) $value = '0';
if ($value === false) {
continue;
}
$int = (int)$value;
if ($int > 100) {
$value = '100';
}
if ($int < 0) {
$value = '0';
}
$ret_params[] = "$key=$value";
$lookup[$key] = true;
}
@@ -48,7 +72,6 @@ class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
$ret_function = "$function($ret_parameters)";
return $ret_function;
}
}
// vim: et sw=4 sts=4

View File

@@ -7,8 +7,8 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
{
/**
* Local copy of component validators.
*
* Local copy of validators
* @type HTMLPurifier_AttrDef[]
* @note If we moved specific CSS property definitions to their own
* classes instead of having them be assembled at run time by
* CSSDefinition, this wouldn't be necessary. We'd instantiate
@@ -16,18 +16,28 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
*/
protected $info = array();
public function __construct($config) {
/**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition();
$this->info['font-style'] = $def->info['font-style'];
$this->info['font-style'] = $def->info['font-style'];
$this->info['font-variant'] = $def->info['font-variant'];
$this->info['font-weight'] = $def->info['font-weight'];
$this->info['font-size'] = $def->info['font-size'];
$this->info['line-height'] = $def->info['line-height'];
$this->info['font-family'] = $def->info['font-family'];
$this->info['font-weight'] = $def->info['font-weight'];
$this->info['font-size'] = $def->info['font-size'];
$this->info['line-height'] = $def->info['line-height'];
$this->info['font-family'] = $def->info['font-family'];
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $system_fonts = array(
'caption' => true,
'icon' => true,
@@ -39,7 +49,9 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
// regular pre-processing
$string = $this->parseCDATA($string);
if ($string === '') return false;
if ($string === '') {
return false;
}
// check if it's one of the keywords
$lowercase_string = strtolower($string);
@@ -54,15 +66,20 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
$final = ''; // output
for ($i = 0, $size = count($bits); $i < $size; $i++) {
if ($bits[$i] === '') continue;
if ($bits[$i] === '') {
continue;
}
switch ($stage) {
// attempting to catch font-style, font-variant or font-weight
case 0:
case 0: // attempting to catch font-style, font-variant or font-weight
foreach ($stage_1 as $validator_name) {
if (isset($caught[$validator_name])) continue;
if (isset($caught[$validator_name])) {
continue;
}
$r = $this->info[$validator_name]->validate(
$bits[$i], $config, $context);
$bits[$i],
$config,
$context
);
if ($r !== false) {
$final .= $r . ' ';
$caught[$validator_name] = true;
@@ -70,15 +87,17 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
}
}
// all three caught, continue on
if (count($caught) >= 3) $stage = 1;
if ($r !== false) break;
// attempting to catch font-size and perhaps line-height
case 1:
if (count($caught) >= 3) {
$stage = 1;
}
if ($r !== false) {
break;
}
case 1: // attempting to catch font-size and perhaps line-height
$found_slash = false;
if (strpos($bits[$i], '/') !== false) {
list($font_size, $line_height) =
explode('/', $bits[$i]);
explode('/', $bits[$i]);
if ($line_height === '') {
// ooh, there's a space after the slash!
$line_height = false;
@@ -89,14 +108,19 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
$line_height = false;
}
$r = $this->info['font-size']->validate(
$font_size, $config, $context);
$font_size,
$config,
$context
);
if ($r !== false) {
$final .= $r;
// attempt to catch line-height
if ($line_height === false) {
// we need to scroll forward
for ($j = $i + 1; $j < $size; $j++) {
if ($bits[$j] === '') continue;
if ($bits[$j] === '') {
continue;
}
if ($bits[$j] === '/') {
if ($found_slash) {
return false;
@@ -116,7 +140,10 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
if ($found_slash) {
$i = $j;
$r = $this->info['line-height']->validate(
$line_height, $config, $context);
$line_height,
$config,
$context
);
if ($r !== false) {
$final .= '/' . $r;
}
@@ -126,13 +153,14 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
break;
}
return false;
// attempting to catch font-family
case 2:
case 2: // attempting to catch font-family
$font_family =
implode(' ', array_slice($bits, $i, $size - $i));
$r = $this->info['font-family']->validate(
$font_family, $config, $context);
$font_family,
$config,
$context
);
if ($r !== false) {
$final .= $r . ' ';
// processing completed successfully
@@ -143,7 +171,6 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
}
return false;
}
}
// vim: et sw=4 sts=4

View File

@@ -8,11 +8,18 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
protected $mask = null;
public function __construct() {
public function __construct()
{
$this->mask = '_- ';
for ($c = 'a'; $c <= 'z'; $c++) $this->mask .= $c;
for ($c = 'A'; $c <= 'Z'; $c++) $this->mask .= $c;
for ($c = '0'; $c <= '9'; $c++) $this->mask .= $c; // cast-y, but should be fine
for ($c = 'a'; $c <= 'z'; $c++) {
$this->mask .= $c;
}
for ($c = 'A'; $c <= 'Z'; $c++) {
$this->mask .= $c;
}
for ($c = '0'; $c <= '9'; $c++) {
$this->mask .= $c;
} // cast-y, but should be fine
// special bytes used by UTF-8
for ($i = 0x80; $i <= 0xFF; $i++) {
// We don't bother excluding invalid bytes in this range,
@@ -39,7 +46,14 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
// possible optimization: invert the mask.
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $generic_names = array(
'serif' => true,
'sans-serif' => true,
@@ -52,9 +66,11 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
// assume that no font names contain commas in them
$fonts = explode(',', $string);
$final = '';
foreach($fonts as $font) {
foreach ($fonts as $font) {
$font = trim($font);
if ($font === '') continue;
if ($font === '') {
continue;
}
// match a generic name
if (isset($generic_names[$font])) {
if ($allowed_fonts === null || isset($allowed_fonts[$font])) {
@@ -65,9 +81,13 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
// match a quoted name
if ($font[0] === '"' || $font[0] === "'") {
$length = strlen($font);
if ($length <= 2) continue;
if ($length <= 2) {
continue;
}
$quote = $font[0];
if ($font[$length - 1] !== $quote) continue;
if ($font[$length - 1] !== $quote) {
continue;
}
$font = substr($font, 1, $length - 2);
}
@@ -188,7 +208,9 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
$final .= "'$font', ";
}
$final = rtrim($final, ', ');
if ($final === '') return false;
if ($final === '') {
return false;
}
return $final;
}

View File

@@ -6,19 +6,27 @@
class HTMLPurifier_AttrDef_CSS_Ident extends HTMLPurifier_AttrDef
{
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string);
// early abort: '' and '0' (strings that convert to false) are invalid
if (!$string) return false;
if (!$string) {
return false;
}
$pattern = '/^(-?[A-Za-z_][A-Za-z_\-0-9]*)$/';
if (!preg_match($pattern, $string)) return false;
if (!preg_match($pattern, $string)) {
return false;
}
return $string;
}
}
// vim: et sw=4 sts=4

View File

@@ -5,20 +5,34 @@
*/
class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef
{
public $def, $allow;
/**
* @type HTMLPurifier_AttrDef
*/
public $def;
/**
* @type bool
*/
public $allow;
/**
* @param $def Definition to wrap
* @param $allow Whether or not to allow !important
* @param HTMLPurifier_AttrDef $def Definition to wrap
* @param bool $allow Whether or not to allow !important
*/
public function __construct($def, $allow = false) {
public function __construct($def, $allow = false)
{
$this->def = $def;
$this->allow = $allow;
}
/**
* Intercepts and removes !important if necessary
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context) {
public function validate($string, $config, $context)
{
// test for ! and important tokens
$string = trim($string);
$is_important = false;
@@ -32,7 +46,9 @@ class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef
}
}
$string = $this->def->validate($string, $config, $context);
if ($this->allow && $is_important) $string .= ' !important';
if ($this->allow && $is_important) {
$string .= ' !important';
}
return $string;
}
}

View File

@@ -6,42 +6,72 @@
class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef
{
protected $min, $max;
/**
* @type HTMLPurifier_Length|string
*/
protected $min;
/**
* @param HTMLPurifier_Length $max Minimum length, or null for no bound. String is also acceptable.
* @param HTMLPurifier_Length $max Maximum length, or null for no bound. String is also acceptable.
* @type HTMLPurifier_Length|string
*/
public function __construct($min = null, $max = null) {
protected $max;
/**
* @param HTMLPurifier_Length|string $min Minimum length, or null for no bound. String is also acceptable.
* @param HTMLPurifier_Length|string $max Maximum length, or null for no bound. String is also acceptable.
*/
public function __construct($min = null, $max = null)
{
$this->min = $min !== null ? HTMLPurifier_Length::make($min) : null;
$this->max = $max !== null ? HTMLPurifier_Length::make($max) : null;
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string);
// Optimizations
if ($string === '') return false;
if ($string === '0') return '0';
if (strlen($string) === 1) return false;
if ($string === '') {
return false;
}
if ($string === '0') {
return '0';
}
if (strlen($string) === 1) {
return false;
}
$length = HTMLPurifier_Length::make($string);
if (!$length->isValid()) return false;
if (!$length->isValid()) {
return false;
}
if ($this->min) {
$c = $length->compareTo($this->min);
if ($c === false) return false;
if ($c < 0) return false;
if ($c === false) {
return false;
}
if ($c < 0) {
return false;
}
}
if ($this->max) {
$c = $length->compareTo($this->max);
if ($c === false) return false;
if ($c > 0) return false;
if ($c === false) {
return false;
}
if ($c > 0) {
return false;
}
}
return $length->toString();
}
}
// vim: et sw=4 sts=4

View File

@@ -8,46 +8,72 @@ class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef
{
/**
* Local copy of component validators.
* Local copy of validators.
* @type HTMLPurifier_AttrDef[]
* @note See HTMLPurifier_AttrDef_CSS_Font::$info for a similar impl.
*/
protected $info;
public function __construct($config) {
/**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition();
$this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-position'] = $def->info['list-style-position'];
$this->info['list-style-image'] = $def->info['list-style-image'];
}
public function validate($string, $config, $context) {
/**
* @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 ($string === '') return false;
if ($string === '') {
return false;
}
// assumes URI doesn't have spaces in it
$bits = explode(' ', strtolower($string)); // bits to process
$caught = array();
$caught['type'] = false;
$caught['type'] = false;
$caught['position'] = false;
$caught['image'] = false;
$caught['image'] = false;
$i = 0; // number of catches
$none = false;
foreach ($bits as $bit) {
if ($i >= 3) return; // optimization bit
if ($bit === '') continue;
if ($i >= 3) {
return;
} // optimization bit
if ($bit === '') {
continue;
}
foreach ($caught as $key => $status) {
if ($status !== false) continue;
if ($status !== false) {
continue;
}
$r = $this->info['list-style-' . $key]->validate($bit, $config, $context);
if ($r === false) continue;
if ($r === false) {
continue;
}
if ($r === 'none') {
if ($none) continue;
else $none = true;
if ($key == 'image') continue;
if ($none) {
continue;
} else {
$none = true;
}
if ($key == 'image') {
continue;
}
}
$caught[$key] = $r;
$i++;
@@ -55,24 +81,32 @@ class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef
}
}
if (!$i) return false;
if (!$i) {
return false;
}
$ret = array();
// construct type
if ($caught['type']) $ret[] = $caught['type'];
if ($caught['type']) {
$ret[] = $caught['type'];
}
// construct image
if ($caught['image']) $ret[] = $caught['image'];
if ($caught['image']) {
$ret[] = $caught['image'];
}
// construct position
if ($caught['position']) $ret[] = $caught['position'];
if ($caught['position']) {
$ret[] = $caught['position'];
}
if (empty($ret)) return false;
if (empty($ret)) {
return false;
}
return implode(' ', $ret);
}
}
// vim: et sw=4 sts=4

View File

@@ -13,9 +13,9 @@
*/
class HTMLPurifier_AttrDef_CSS_Multiple extends HTMLPurifier_AttrDef
{
/**
* Instance of component definition to defer validation to.
* @type HTMLPurifier_AttrDef
* @todo Make protected
*/
public $single;
@@ -27,32 +27,45 @@ class HTMLPurifier_AttrDef_CSS_Multiple extends HTMLPurifier_AttrDef
public $max;
/**
* @param $single HTMLPurifier_AttrDef to multiply
* @param $max Max number of values allowed (usually four)
* @param HTMLPurifier_AttrDef $single HTMLPurifier_AttrDef to multiply
* @param int $max Max number of values allowed (usually four)
*/
public function __construct($single, $max = 4) {
public function __construct($single, $max = 4)
{
$this->single = $single;
$this->max = $max;
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string);
if ($string === '') return false;
if ($string === '') {
return false;
}
$parts = explode(' ', $string); // parseCDATA replaced \r, \t and \n
$length = count($parts);
$final = '';
for ($i = 0, $num = 0; $i < $length && $num < $this->max; $i++) {
if (ctype_space($parts[$i])) continue;
if (ctype_space($parts[$i])) {
continue;
}
$result = $this->single->validate($parts[$i], $config, $context);
if ($result !== false) {
$final .= $result . ' ';
$num++;
}
}
if ($final === '') return false;
if ($final === '') {
return false;
}
return rtrim($final);
}
}
// vim: et sw=4 sts=4

View File

@@ -7,32 +7,44 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
{
/**
* Bool indicating whether or not only positive values allowed.
* Indicates whether or not only positive values are allowed.
* @type bool
*/
protected $non_negative = false;
/**
* @param $non_negative Bool indicating whether negatives are forbidden
* @param bool $non_negative indicates whether negatives are forbidden
*/
public function __construct($non_negative = false) {
public function __construct($non_negative = false)
{
$this->non_negative = $non_negative;
}
/**
* @param string $number
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return string|bool
* @warning Some contexts do not pass $config, $context. These
* variables should not be used without checking HTMLPurifier_Length
*/
public function validate($number, $config, $context) {
public function validate($number, $config, $context)
{
$number = $this->parseCDATA($number);
if ($number === '') return false;
if ($number === '0') return '0';
if ($number === '') {
return false;
}
if ($number === '0') {
return '0';
}
$sign = '';
switch ($number[0]) {
case '-':
if ($this->non_negative) return false;
if ($this->non_negative) {
return false;
}
$sign = '-';
case '+':
$number = substr($number, 1);
@@ -44,14 +56,20 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
}
// Period is the only non-numeric character allowed
if (strpos($number, '.') === false) return false;
if (strpos($number, '.') === false) {
return false;
}
list($left, $right) = explode('.', $number, 2);
if ($left === '' && $right === '') return false;
if ($left !== '' && !ctype_digit($left)) return false;
if ($left === '' && $right === '') {
return false;
}
if ($left !== '' && !ctype_digit($left)) {
return false;
}
$left = ltrim($left, '0');
$left = ltrim($left, '0');
$right = rtrim($right, '0');
if ($right === '') {
@@ -59,11 +77,8 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
} elseif (!ctype_digit($right)) {
return false;
}
return $sign . $left . '.' . $right;
}
}
// vim: et sw=4 sts=4

View File

@@ -7,34 +7,48 @@ class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef
{
/**
* Instance of HTMLPurifier_AttrDef_CSS_Number to defer number validation
* Instance to defer number validation to.
* @type HTMLPurifier_AttrDef_CSS_Number
*/
protected $number_def;
/**
* @param Bool indicating whether to forbid negative values
* @param bool $non_negative Whether to forbid negative values
*/
public function __construct($non_negative = false) {
public function __construct($non_negative = false)
{
$this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative);
}
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string);
if ($string === '') return false;
if ($string === '') {
return false;
}
$length = strlen($string);
if ($length === 1) return false;
if ($string[$length - 1] !== '%') return false;
if ($length === 1) {
return false;
}
if ($string[$length - 1] !== '%') {
return false;
}
$number = substr($string, 0, $length - 1);
$number = $this->number_def->validate($number, $config, $context);
if ($number === false) return false;
if ($number === false) {
return false;
}
return "$number%";
}
}
// vim: et sw=4 sts=4

View File

@@ -8,8 +8,14 @@
class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
{
public function validate($string, $config, $context) {
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $allowed_values = array(
'line-through' => true,
'overline' => true,
@@ -18,7 +24,9 @@ class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
$string = strtolower($this->parseCDATA($string));
if ($string === 'none') return $string;
if ($string === 'none') {
return $string;
}
$parts = explode(' ', $string);
$final = '';
@@ -28,11 +36,11 @@ class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
}
}
$final = rtrim($final);
if ($final === '') return false;
if ($final === '') {
return false;
}
return $final;
}
}
// vim: et sw=4 sts=4

View File

@@ -12,25 +12,39 @@
class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
{
public function __construct() {
public function __construct()
{
parent::__construct(true); // always embedded
}
public function validate($uri_string, $config, $context) {
/**
* @param string $uri_string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($uri_string, $config, $context)
{
// parse the URI out of the string and then pass it onto
// the parent object
$uri_string = $this->parseCDATA($uri_string);
if (strpos($uri_string, 'url(') !== 0) return false;
if (strpos($uri_string, 'url(') !== 0) {
return false;
}
$uri_string = substr($uri_string, 4);
$new_length = strlen($uri_string) - 1;
if ($uri_string[$new_length] != ')') return false;
if ($uri_string[$new_length] != ')') {
return false;
}
$uri = trim(substr($uri_string, 0, $new_length));
if (!empty($uri) && ($uri[0] == "'" || $uri[0] == '"')) {
$quote = $uri[0];
$new_length = strlen($uri) - 1;
if ($uri[$new_length] !== $quote) return false;
if ($uri[$new_length] !== $quote) {
return false;
}
$uri = substr($uri, 1, $new_length - 1);
}
@@ -38,7 +52,9 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
$result = parent::validate($uri, $config, $context);
if ($result === false) return false;
if ($result === false) {
return false;
}
// extra sanity check; should have been done by URI
$result = str_replace(array('"', "\\", "\n", "\x0c", "\r"), "", $result);
@@ -51,11 +67,8 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
// an innerHTML cycle, so a very unlucky query parameter could
// then change the meaning of the URL. Unfortunately, there's
// not much we can do about that...
return "url(\"$result\")";
}
}
// vim: et sw=4 sts=4