本文整理汇总了PHP中HTMLPurifier_Context类的典型用法代码示例。如果您正苦于以下问题:PHP HTMLPurifier_Context类的具体用法?PHP HTMLPurifier_Context怎么用?PHP HTMLPurifier_Context使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了HTMLPurifier_Context类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: filter
/**
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function filter(&$uri, $config, $context)
{
// check if filter not applicable
if (!$config->get('HTML.SafeIframe')) {
return true;
}
// check if the filter should actually trigger
if (!$context->get('EmbeddedURI', true)) {
return true;
}
$token = $context->get('CurrentToken', true);
if (!($token && $token->name == 'iframe')) {
return true;
}
// check if we actually have some whitelists enabled
if ($this->regexp === null) {
return false;
}
// actually check the whitelists
if (!preg_match($this->regexp, $uri->toString())) {
return false;
}
// Make sure that if we're an HTTPS site, the iframe is also HTTPS
if (is_https() && $uri->scheme == 'http') {
// Convert it to a protocol-relative URL
$uri->scheme = null;
}
return $uri;
}
示例2: filter
/**
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function filter(&$uri, $config, $context)
{
if (!$context->get('EmbeddedURI', true)) {
return true;
}
return parent::filter($uri, $config, $context);
}
示例3: __construct
/**
* @param HTMLPurifier_Context $context
*/
public function __construct($context)
{
$this->locale =& $context->get('Locale');
$this->context = $context;
$this->_current =& $this->_stacks[0];
$this->errors =& $this->_stacks[0];
}
示例4: testNull
public function testNull()
{
$context = new HTMLPurifier_Context();
$var = NULL;
$context->register('var', $var);
$this->assertNull($context->get('var'));
$context->destroy('var');
}
示例5: validateChildren
/**
* @param HTMLPurifier_Node[] $children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function validateChildren($children, $config, $context)
{
if ($context->get('IsInline') === false) {
return $this->block->validateChildren($children, $config, $context);
} else {
return $this->inline->validateChildren($children, $config, $context);
}
}
示例6: validate
/**
* 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)
{
$token = $context->get('CurrentToken', true);
if ($token && $token->name == $this->element) {
return false;
}
return $this->def->validate($string, $config, $context);
}
示例7: purify
/**
* Filters an HTML snippet/document to be XSS-free and standards-compliant.
*
* @param $html String of HTML to purify
* @param $config HTMLPurifier_Config object for this operation, if omitted,
* defaults to the config object specified during this
* object's construction. The parameter can also be any type
* that HTMLPurifier_Config::create() supports.
* @return Purified HTML
*/
public function purify($html, $config = null)
{
// :TODO: make the config merge in, instead of replace
$config = $config ? HTMLPurifier_Config::create($config) : $this->config;
// implementation is partially environment dependant, partially
// configuration dependant
$lexer = HTMLPurifier_Lexer::create($config);
$context = new HTMLPurifier_Context();
// setup HTML generator
$this->generator = new HTMLPurifier_Generator($config, $context);
$context->register('Generator', $this->generator);
// set up global context variables
if ($config->get('Core.CollectErrors')) {
// may get moved out if other facilities use it
$language_factory = HTMLPurifier_LanguageFactory::instance();
$language = $language_factory->create($config, $context);
$context->register('Locale', $language);
$error_collector = new HTMLPurifier_ErrorCollector($context);
$context->register('ErrorCollector', $error_collector);
}
// setup id_accumulator context, necessary due to the fact that
// AttrValidator can be called from many places
$id_accumulator = HTMLPurifier_IDAccumulator::build($config, $context);
$context->register('IDAccumulator', $id_accumulator);
$html = HTMLPurifier_Encoder::convertToUTF8($html, $config, $context);
// setup filters
$filter_flags = $config->getBatch('Filter');
$custom_filters = $filter_flags['Custom'];
unset($filter_flags['Custom']);
$filters = array();
foreach ($filter_flags as $filter => $flag) {
if (!$flag) {
continue;
}
if (strpos($filter, '.') !== false) {
continue;
}
$class = "HTMLPurifier_Filter_{$filter}";
$filters[] = new $class();
}
foreach ($custom_filters as $filter) {
// maybe "HTMLPurifier_Filter_$filter", but be consistent with AutoFormat
$filters[] = $filter;
}
$filters = array_merge($filters, $this->filters);
// maybe prepare(), but later
for ($i = 0, $filter_size = count($filters); $i < $filter_size; $i++) {
$html = $filters[$i]->preFilter($html, $config, $context);
}
// purified HTML
$html = $this->generator->generateFromTokens($this->strategy->execute($lexer->tokenizeHTML($html, $config, $context), $config, $context));
for ($i = $filter_size - 1; $i >= 0; $i--) {
$html = $filters[$i]->postFilter($html, $config, $context);
}
$html = HTMLPurifier_Encoder::convertFromUTF8($html, $config, $context);
$this->context =& $context;
return $html;
}
示例8: validate
/**
* @param string $id
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($id, $config, $context)
{
if (!$this->selector && !$config->get('Attr.EnableID')) {
return false;
}
$id = trim($id);
// trim it first
if ($id === '') {
return false;
}
$prefix = $config->get('Attr.IDPrefix');
if ($prefix !== '') {
$prefix .= $config->get('Attr.IDPrefixLocal');
// prevent re-appending the prefix
if (strpos($id, $prefix) !== 0) {
$id = $prefix . $id;
}
} elseif ($config->get('Attr.IDPrefixLocal') !== '') {
trigger_error('%Attr.IDPrefixLocal cannot be used unless ' . '%Attr.IDPrefix is set', E_USER_WARNING);
}
if (!$this->selector) {
$id_accumulator =& $context->get('IDAccumulator');
if (isset($id_accumulator->ids[$id])) {
return false;
}
}
// we purposely avoid using regex, hopefully this is faster
if ($config->get('Attr.ID.HTML5') === true) {
if (preg_match('/[\\t\\n\\x0b\\x0c ]/', $id)) {
return false;
}
} else {
if (ctype_alpha($id)) {
// OK
} else {
if (!ctype_alpha(@$id[0])) {
return false;
}
// primitive style of regexps, I suppose
$trim = trim($id, 'A..Za..z0..9:-._');
if ($trim !== '') {
return false;
}
}
}
$regexp = $config->get('Attr.IDBlacklistRegexp');
if ($regexp && preg_match($regexp, $id)) {
return false;
}
if (!$this->selector) {
$id_accumulator->add($id);
}
// if no change was made to the ID, return the result
// else, return the new id if stripping whitespace made it
// valid, or return false.
return $id;
}
示例9: validate
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$token = $context->get('CurrentToken', true);
if (!$token || $token->name !== $this->tag) {
return $this->withoutTag->validate($string, $config, $context);
} else {
return $this->withTag->validate($string, $config, $context);
}
}
示例10: filter
/**
* filter
*
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return boolean
*/
public function filter(&$uri, $config, $context)
{
$result = TRUE;
$token = $context->get('CurrentToken', true);
if (Tinebase_Core::isLogLevel(Zend_Log::TRACE)) {
Tinebase_Core::getLogger()->trace(__METHOD__ . '::' . __LINE__ . ' URI: ' . var_export($uri, TRUE) . ' ' . ' TOKEN: ' . var_export($token, TRUE));
}
if ($uri->host) {
$result = $this->_checkExternalUrl($uri, $token);
}
return $result;
}
示例11: validate
/**
* @param string $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($uri, $config, $context)
{
if ($config->get('URI.Disable')) {
return false;
}
$uri = $this->parseCDATA($uri);
// parse the URI
$uri = $this->parser->parse($uri);
if ($uri === false) {
return false;
}
// add embedded flag to context for validators
$context->register('EmbeddedURI', $this->embedsResource);
$ok = false;
do {
// generic validation
$result = $uri->validate($config, $context);
if (!$result) {
break;
}
// chained filtering
$uri_def = $config->getDefinition('URI');
$result = $uri_def->filter($uri, $config, $context);
if (!$result) {
break;
}
// scheme-specific validation
$scheme_obj = $uri->getSchemeObj($config, $context);
if (!$scheme_obj) {
break;
}
if ($this->embedsResource && !$scheme_obj->browsable) {
break;
}
$result = $scheme_obj->validate($uri, $config, $context);
if (!$result) {
break;
}
// Post chained filtering
$result = $uri_def->postFilter($uri, $config, $context);
if (!$result) {
break;
}
// survived gauntlet
$ok = true;
} while (false);
$context->destroy('EmbeddedURI');
if (!$ok) {
return false;
}
// back to string
return $uri->toString();
}
示例12: test_formatMessage_tokenParameter
public function test_formatMessage_tokenParameter()
{
$config = HTMLPurifier_Config::createDefault();
$context = new HTMLPurifier_Context();
$generator = new HTMLPurifier_Generator($config, $context);
// replace with mock if this gets icky
$context->register('Generator', $generator);
$lang = new HTMLPurifier_Language($config, $context);
$lang->_loaded = true;
$lang->messages['LanguageTest: Element info'] = 'Element Token: $1.Name, $1.Serialized, $1.Compact, $1.Line';
$lang->messages['LanguageTest: Data info'] = 'Data Token: $1.Data, $1.Serialized, $1.Compact, $1.Line';
$this->assertIdentical($lang->formatMessage('LanguageTest: Element info', array(1 => new HTMLPurifier_Token_Start('a', array('href' => 'http://example.com'), 18))), 'Element Token: a, <a href="http://example.com">, <a>, 18');
$this->assertIdentical($lang->formatMessage('LanguageTest: Data info', array(1 => new HTMLPurifier_Token_Text('data>', 23))), 'Data Token: data>, data>, data>, 23');
}
示例13: assertTransformation
/**
* Asserts that a transformation happens
*
* This assertion performs several tests on the transform:
*
* -# Transforms a start tag with only $name and no attributes
* -# Transforms a start tag with $name and $attributes
* -# Transform an end tag
* -# Transform an empty tag with only $name and no attributes
* -# Transform an empty tag with $name and $attributes
*
* In its current form, it assumes that start and empty tags would be
* treated the same, and is really ensuring that the tag transform doesn't
* do anything wonky to the tag type.
*
* @param $transformer HTMLPurifier_TagTransform class to test
* @param $name Name of the original tag
* @param $attributes Attributes of the original tag
* @param $expect_name Name of output tag
* @param $expect_attributes Attributes of output tag when $attributes
* is included.
* @param $expect_added_attributes Attributes of output tag when $attributes
* are omitted.
* @param $config_array Configuration array for HTMLPurifier_Config
* @param $context_array Context array for HTMLPurifier_Context
*/
protected function assertTransformation($transformer, $name, $attributes, $expect_name, $expect_attributes, $expect_added_attributes = array(), $config_array = array(), $context_array = array())
{
$config = HTMLPurifier_Config::createDefault();
$config->loadArray($config_array);
$context = new HTMLPurifier_Context();
$context->loadArray($context_array);
// start tag transform
$this->assertIdentical(new HTMLPurifier_Token_Start($expect_name, $expect_added_attributes), $transformer->transform(new HTMLPurifier_Token_Start($name), $config, $context));
// start tag transform with attributes
$this->assertIdentical(new HTMLPurifier_Token_Start($expect_name, $expect_attributes), $transformer->transform(new HTMLPurifier_Token_Start($name, $attributes), $config, $context));
// end tag transform
$this->assertIdentical(new HTMLPurifier_Token_End($expect_name), $transformer->transform(new HTMLPurifier_Token_End($name), $config, $context));
// empty tag transform
$this->assertIdentical(new HTMLPurifier_Token_Empty($expect_name, $expect_added_attributes), $transformer->transform(new HTMLPurifier_Token_Empty($name), $config, $context));
// empty tag transform with attributes
$this->assertIdentical(new HTMLPurifier_Token_Empty($expect_name, $expect_attributes), $transformer->transform(new HTMLPurifier_Token_Empty($name, $attributes), $config, $context));
}
示例14: purify
public function purify($html, $config = null)
{
$config = $config ? HTMLPurifier_Config::create($config) : $this->config;
$lexer = HTMLPurifier_Lexer::create($config);
$context = new HTMLPurifier_Context();
$this->generator = new HTMLPurifier_Generator($config, $context);
$context->register('Generator', $this->generator);
if ($config->get('Core.CollectErrors')) {
$language_factory = HTMLPurifier_LanguageFactory::instance();
$language = $language_factory->create($config, $context);
$context->register('Locale', $language);
$error_collector = new HTMLPurifier_ErrorCollector($context);
$context->register('ErrorCollector', $error_collector);
}
$id_accumulator = HTMLPurifier_IDAccumulator::build($config, $context);
$context->register('IDAccumulator', $id_accumulator);
$html = HTMLPurifier_Encoder::convertToUTF8($html, $config, $context);
$filter_flags = $config->getBatch('Filter');
$custom_filters = $filter_flags['Custom'];
unset($filter_flags['Custom']);
$filters = array();
foreach ($filter_flags as $filter => $flag) {
if (!$flag) {
continue;
}
if (strpos($filter, '.') !== false) {
continue;
}
$class = "HTMLPurifier_Filter_{$filter}";
$filters[] = new $class();
}
foreach ($custom_filters as $filter) {
$filters[] = $filter;
}
$filters = array_merge($filters, $this->filters);
for ($i = 0, $filter_size = count($filters); $i < $filter_size; $i++) {
$html = $filters[$i]->preFilter($html, $config, $context);
}
$html = $this->generator->generateFromTokens($this->strategy->execute($lexer->tokenizeHTML($html, $config, $context), $config, $context));
for ($i = $filter_size - 1; $i >= 0; $i--) {
$html = $filters[$i]->postFilter($html, $config, $context);
}
$html = HTMLPurifier_Encoder::convertFromUTF8($html, $config, $context);
$this->context =& $context;
return $html;
}
示例15: test_loadArray
function test_loadArray()
{
// references can be *really* wonky!
$context_manual = new HTMLPurifier_Context();
$context_load = new HTMLPurifier_Context();
$var1 = 1;
$var2 = 2;
$context_manual->register('var1', $var1);
$context_manual->register('var2', $var2);
// you MUST set up the references when constructing the array,
// otherwise the registered version will be a copy
$array = array('var1' => &$var1, 'var2' => &$var2);
$context_load->loadArray($array);
$this->assertIdentical($context_manual, $context_load);
$var1 = 10;
$var2 = 20;
$this->assertIdentical($context_manual, $context_load);
}