HTMLPurifier_AttrDef_URI Class Reference

Validates a URI as defined by RFC 3986. More...

Inheritance diagram for HTMLPurifier_AttrDef_URI:

Collaboration diagram for HTMLPurifier_AttrDef_URI:

Public Member Functions
	__construct ($embeds_resource=false)
	make ($string)
	validate ($uri, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef
	validate ($string, $config, $context)
	Validates and cleans passed string according to a definition. More...
	parseCDATA ($string)
	Convenience method that parses a string as if it were CDATA. More...
	make ($string)
	Factory method for creating this class from a string. More...

Protected Attributes
	$parser
	@type HTMLPurifier_URIParser More...
	$embedsResource
	@type bool More...

Additional Inherited Members
Data Fields inherited from HTMLPurifier_AttrDef
	$minimized = false
	Tells us whether or not an HTML attribute is minimized. More...
	$required = false
	Tells us whether or not an HTML attribute is required. More...
Protected Member Functions inherited from HTMLPurifier_AttrDef
	mungeRgb ($string)
	Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work properly. More...
	expandCSSEscape ($string)
	Parses a possibly escaped CSS string and returns the "pure" version of it. More...

Detailed Description

Validates a URI as defined by RFC 3986.

Note

Scheme-specific mechanics deferred to HTMLPurifier_URIScheme

Definition at line 7 of file URI.php.

Constructor & Destructor Documentation

__construct()

HTMLPurifier_AttrDef_URI::__construct

(

$embeds_resource = false

)

Parameters

bool

$embeds_resource

Does the URI here result in an extra HTTP request?

Definition at line 23 of file URI.php.

    {
        $this->parser = new HTMLPurifier_URIParser();
        $this->embedsResource = (bool)$embeds_resource;
    }

Member Function Documentation

make()

HTMLPurifier_AttrDef_URI::make

(

$string

)

Parameters

string

$string

Returns

HTMLPurifier_AttrDef_URI

Reimplemented from HTMLPurifier_AttrDef.

Definition at line 33 of file URI.php.

    {
        $embeds = ($string === 'embedded');
        return new HTMLPurifier_AttrDef_URI($embeds);
    }

validate()

HTMLPurifier_AttrDef_URI::validate	(		$uri,
			$config,
			$context
	)

Parameters

string	$uri
HTMLPurifier_Config	$config
HTMLPurifier_Context	$context

Returns

bool|string

Reimplemented from HTMLPurifier_AttrDef.

Reimplemented in HTMLPurifier_AttrDef_CSS_URI.

Definition at line 45 of file URI.php.

    {
        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();
    }

References $ok, $result, and HTMLPurifier_AttrDef\parseCDATA().

Here is the call graph for this function:

Field Documentation

$embedsResource

HTMLPurifier_AttrDef_URI::$embedsResource

protected

@type bool

Definition at line 18 of file URI.php.

$parser

HTMLPurifier_AttrDef_URI::$parser

protected

@type HTMLPurifier_URIParser

Definition at line 13 of file URI.php.

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The documentation for this class was generated from the following file:

• Services/Html/HtmlPurifier/library/HTMLPurifier/AttrDef/URI.php