Retrieves a scheme object corresponding to the URI's scheme/default
public getSchemeObj ( HTMLPurifier_Config $config, HTMLPurifier_Context $context ) : HTMLPurifier_URIScheme | ||
$config | HTMLPurifier_Config | |
$context | HTMLPurifier_Context | |
return | HTMLPurifier_URIScheme | Scheme object appropriate for validating this URI |
/** * @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) && !$this->doEmbed) { return true; } $scheme_obj = $uri->getSchemeObj($config, $context); if (!$scheme_obj) { return true; } // ignore unknown schemes, maybe another postfilter did it if (!$scheme_obj->browsable) { return true; } // ignore non-browseable schemes, since we can't munge those in a reasonable way if ($uri->isBenign($config, $context)) { return true; } // don't redirect if a benign URL $this->makeReplace($uri, $config, $context); $this->replace = array_map('rawurlencode', $this->replace); $new_uri = strtr($this->target, $this->replace); $new_uri = $this->parser->parse($new_uri); // don't redirect if the target host is the same as the // starting host if ($uri->host === $new_uri->host) { return true; } $uri = $new_uri; // overwrite return true; }