diff options
Diffstat (limited to 'lib/htmlpurifier/library/HTMLPurifier/URIScheme.php')
-rw-r--r-- | lib/htmlpurifier/library/HTMLPurifier/URIScheme.php | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/URIScheme.php b/lib/htmlpurifier/library/HTMLPurifier/URIScheme.php deleted file mode 100644 index 7be958143..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/URIScheme.php +++ /dev/null @@ -1,95 +0,0 @@ -<?php - -/** - * Validator for the components of a URI for a specific scheme - */ -abstract class HTMLPurifier_URIScheme -{ - - /** - * Scheme's default port (integer). If an explicit port number is - * specified that coincides with the default port, it will be - * elided. - */ - public $default_port = null; - - /** - * Whether or not URIs of this schem are locatable by a browser - * http and ftp are accessible, while mailto and news are not. - */ - public $browsable = false; - - /** - * Whether or not data transmitted over this scheme is encrypted. - * https is secure, http is not. - */ - public $secure = false; - - /** - * Whether or not the URI always uses <hier_part>, resolves edge cases - * with making relative URIs absolute - */ - public $hierarchical = false; - - /** - * Whether or not the URI may omit a hostname when the scheme is - * explicitly specified, ala file:///path/to/file. As of writing, - * 'file' is the only scheme that browsers support his properly. - */ - public $may_omit_host = false; - - /** - * Validates the components of a URI for a specific scheme. - * @param $uri Reference to a HTMLPurifier_URI object - * @param $config HTMLPurifier_Config object - * @param $context HTMLPurifier_Context object - * @return Bool success or failure - */ - public abstract function doValidate(&$uri, $config, $context); - - /** - * Public interface for validating components of a URI. Performs a - * bunch of default actions. Don't overload this method. - * @param $uri Reference to a HTMLPurifier_URI object - * @param $config HTMLPurifier_Config object - * @param $context HTMLPurifier_Context object - * @return Bool success or failure - */ - public function validate(&$uri, $config, $context) { - if ($this->default_port == $uri->port) $uri->port = null; - // kludge: browsers do funny things when the scheme but not the - // authority is set - if (!$this->may_omit_host && - // if the scheme is present, a missing host is always in error - (!is_null($uri->scheme) && ($uri->host === '' || is_null($uri->host))) || - // if the scheme is not present, a *blank* host is in error, - // since this translates into '///path' which most browsers - // interpret as being 'http://path'. - (is_null($uri->scheme) && $uri->host === '') - ) { - do { - if (is_null($uri->scheme)) { - if (substr($uri->path, 0, 2) != '//') { - $uri->host = null; - break; - } - // URI is '////path', so we cannot nullify the - // host to preserve semantics. Try expanding the - // hostname instead (fall through) - } - // first see if we can manually insert a hostname - $host = $config->get('URI.Host'); - if (!is_null($host)) { - $uri->host = $host; - } else { - // we can't do anything sensible, reject the URL. - return false; - } - } while (false); - } - return $this->doValidate($uri, $config, $context); - } - -} - -// vim: et sw=4 sts=4 |