%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
require_once dirname( __DIR__ ) . '/matches/from-notfrom.php';
require_once dirname( __DIR__ ) . '/matches/from-url.php';
/**
* Matches a URL and some other condition
*/
abstract class Red_Match {
/**
* Match type
*
* @var string
*/
protected $type = '';
/**
* Constructor
*
* @param string $values Initial values.
*/
public function __construct( $values = '' ) {
if ( $values ) {
$this->load( $values );
}
}
/**
* Get match type
*
* @return string
*/
public function get_type() {
return $this->type;
}
/**
* Save the match
*
* @param array $details Details to save.
* @param boolean $no_target_url The URL when no target.
* @return array|null
*/
abstract public function save( array $details, $no_target_url = false );
/**
* Get the match name
*
* @return string
*/
abstract public function name();
/**
* Match the URL against the specific matcher conditions
*
* @param string $url Requested URL.
* @return boolean
*/
abstract public function is_match( $url );
/**
* Get the target URL for this match. Some matches may have a matched/unmatched target.
*
* @param string $original_url The client URL (not decoded).
* @param string $matched_url The URL in the redirect.
* @param Red_Source_Flags $flag Source flags.
* @param boolean $is_matched Was the match successful.
* @return string|false
*/
abstract public function get_target_url( $original_url, $matched_url, Red_Source_Flags $flag, $is_matched );
/**
* Get the match data
*
* @return array|null
*/
abstract public function get_data();
/**
* Load the match data into this instance.
*
* @param string $values Match values, as read from the database (plain text or serialized PHP).
* @return void
*/
abstract public function load( $values );
/**
* Sanitize a match URL
*
* @param string $url URL.
* @return string
*/
public function sanitize_url( $url ) {
// No new lines
$url = preg_replace( "/[\r\n\t].*?$/s", '', $url );
// Clean control codes
$url = preg_replace( '/[^\PC\s]/u', '', $url );
return $url;
}
/**
* Apply a regular expression to the target URL, replacing any values.
*
* @param string $source_url Redirect source URL.
* @param string $target_url Target URL.
* @param string $requested_url The URL being requested (decoded).
* @param Red_Source_Flags $flags Source URL flags.
* @return string
*/
protected function get_target_regex_url( $source_url, $target_url, $requested_url, Red_Source_Flags $flags ) {
$regex = new Red_Regex( $source_url, $flags->is_ignore_case() );
return $regex->replace( $target_url, $requested_url );
}
/**
* Create a Red_Match object, given a type
*
* @param string $name Match type.
* @param string $data Match data.
* @return Red_Match|null
*/
public static function create( $name, $data = '' ) {
$avail = self::available();
if ( isset( $avail[ strtolower( $name ) ] ) ) {
$classname = $name . '_match';
if ( ! class_exists( strtolower( $classname ) ) ) {
include dirname( __FILE__ ) . '/../matches/' . $avail[ strtolower( $name ) ];
}
/**
* @var Red_Match
*/
$class = new $classname( $data );
$class->type = $name;
return $class;
}
return null;
}
/**
* Get all Red_Match objects
*
* @return string[]
*/
public static function all() {
$data = [];
$avail = self::available();
foreach ( array_keys( $avail ) as $name ) {
/**
* @var Red_Match
*/
$obj = self::create( $name );
$data[ $name ] = $obj->name();
}
return $data;
}
/**
* Get list of available matches
*
* @return array
*/
public static function available() {
return [
'url' => 'url.php',
'referrer' => 'referrer.php',
'agent' => 'user-agent.php',
'login' => 'login.php',
'header' => 'http-header.php',
'custom' => 'custom-filter.php',
'cookie' => 'cookie.php',
'role' => 'user-role.php',
'server' => 'server.php',
'ip' => 'ip.php',
'page' => 'page.php',
'language' => 'language.php',
];
}
}
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