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PairedUrl.php
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148 lines (132 loc) · 3.53 KB
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<?php
/**
* Class PairedUrl.
*
* @package AmpProject\AmpWP
*/
namespace AmpProject\AmpWP;
use AmpProject\AmpWP\Infrastructure\Service;
/**
* Service for manipulating a paired URL.
*
* @package AmpProject\AmpWP
* @since 2.1
*/
final class PairedUrl implements Service {
/**
* Strip paired query var.
*
* @param string $url URL (or REQUEST_URI).
* @return string URL.
*/
public function remove_query_var( $url ) {
$url = remove_query_arg( amp_get_slug(), $url );
$url = str_replace( '?#', '#', $url ); // See <https://core.trac.wordpress.org/ticket/44499>.
return $url;
}
/**
* Determine whether the given URL has the endpoint suffix.
*
* @param string $url URL (or REQUEST_URI).
* @return bool Has endpoint suffix.
*/
public function has_path_suffix( $url ) {
$path = wp_parse_url( $url, PHP_URL_PATH );
$pattern = sprintf(
':/%s/?$:',
preg_quote( amp_get_slug(), ':' )
);
return (bool) preg_match( $pattern, $path );
}
/**
* Strip paired endpoint suffix.
*
* @param string $url URL (or REQUEST_URI).
* @return string URL.
*/
public function remove_path_suffix( $url ) {
return preg_replace(
sprintf(
':/%s(?=/?(\?|#|$)):',
preg_quote( amp_get_slug(), ':' )
),
'',
$url
);
}
/**
* Determine whether the given URL has the query var.
*
* @param string $url URL (or REQUEST_URI).
* @return bool Has query var.
*/
public function has_query_var( $url ) {
$parsed_url = wp_parse_url( $url );
if ( ! empty( $parsed_url['query'] ) ) {
$query_vars = [];
wp_parse_str( $parsed_url['query'], $query_vars );
if ( isset( $query_vars[ amp_get_slug() ] ) ) {
return true;
}
}
return false;
}
/**
* Get paired AMP URL using query var (`?amp=1`).
*
* @param string $url URL (or REQUEST_URI).
* @param string $value Value. Defaults to 1.
* @return string AMP URL.
*/
public function add_query_var( $url, $value = '1' ) {
return add_query_arg( amp_get_slug(), $value, $url );
}
/**
* Get paired AMP URL using a endpoint suffix.
*
* @todo The URL parsing and serialization logic here should ideally be put into a reusable class.
*
* @param string $url URL (or REQUEST_URI).
* @return string AMP URL.
*/
public function add_path_suffix( $url ) {
$url = $this->remove_path_suffix( $url );
$parsed_url = wp_parse_url( $url );
if ( false === $parsed_url ) {
$parsed_url = [];
}
$parsed_url = array_merge(
wp_parse_url( home_url( '/' ) ),
$parsed_url
);
if ( empty( $parsed_url['scheme'] ) ) {
$parsed_url['scheme'] = is_ssl() ? 'https' : 'http';
}
if ( empty( $parsed_url['host'] ) ) {
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$parsed_url['host'] = ! empty( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : 'localhost';
}
$parsed_url['path'] = trailingslashit( $parsed_url['path'] );
$parsed_url['path'] .= user_trailingslashit( amp_get_slug(), 'amp' );
$amp_url = $parsed_url['scheme'] . '://';
if ( ! empty( $parsed_url['user'] ) ) {
$amp_url .= $parsed_url['user'];
if ( ! empty( $parsed_url['pass'] ) ) {
$amp_url .= ':' . $parsed_url['pass'];
}
$amp_url .= '@';
}
$amp_url .= $parsed_url['host'];
if ( ! empty( $parsed_url['port'] ) ) {
$amp_url .= ':' . $parsed_url['port'];
}
$amp_url .= $parsed_url['path'];
if ( ! empty( $parsed_url['query'] ) ) {
$amp_url .= '?' . $parsed_url['query'];
}
if ( ! empty( $parsed_url['fragment'] ) ) {
$amp_url .= '#' . $parsed_url['fragment'];
}
return $amp_url;
}
}