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| Urls | |
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| 1 | <?php |
| 2 | /** |
| 3 | * The Jetpack Connection package Urls class file. |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Connection; |
| 9 | |
| 10 | use Automattic\Jetpack\Constants; |
| 11 | |
| 12 | /** |
| 13 | * Provides Url methods for the Connection package. |
| 14 | */ |
| 15 | class Urls { |
| 16 | |
| 17 | const HTTPS_CHECK_OPTION_PREFIX = 'jetpack_sync_https_history_'; |
| 18 | const HTTPS_CHECK_HISTORY = 5; |
| 19 | |
| 20 | /** |
| 21 | * Return URL from option or PHP constant. |
| 22 | * |
| 23 | * @param string $option_name (e.g. 'home'). |
| 24 | * |
| 25 | * @return mixed|null URL. |
| 26 | */ |
| 27 | public static function get_raw_url( $option_name ) { |
| 28 | $value = null; |
| 29 | $constant = ( 'home' === $option_name ) |
| 30 | ? 'WP_HOME' |
| 31 | : 'WP_SITEURL'; |
| 32 | |
| 33 | // Since we disregard the constant for multisites in ms-default-filters.php, |
| 34 | // let's also use the db value if this is a multisite. |
| 35 | if ( ! is_multisite() && Constants::is_defined( $constant ) ) { |
| 36 | $value = Constants::get_constant( $constant ); |
| 37 | } else { |
| 38 | // Let's get the option from the database so that we can bypass filters. This will help |
| 39 | // ensure that we get more uniform values. |
| 40 | $value = \Jetpack_Options::get_raw_option( $option_name ); |
| 41 | } |
| 42 | |
| 43 | return $value; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Normalize domains by removing www unless declared in the site's option. |
| 48 | * |
| 49 | * @param string $option Option value from the site. |
| 50 | * @param callable $url_function Function retrieving the URL to normalize. |
| 51 | * @return mixed|string URL. |
| 52 | */ |
| 53 | public static function normalize_www_in_url( $option, $url_function ) { |
| 54 | $url = wp_parse_url( call_user_func( $url_function ) ); |
| 55 | $option_url = wp_parse_url( get_option( $option ) ); |
| 56 | |
| 57 | if ( ! $option_url || ! $url ) { |
| 58 | return $url; |
| 59 | } |
| 60 | |
| 61 | if ( "www.{$option_url[ 'host' ]}" === $url['host'] ) { |
| 62 | // remove www if not present in option URL. |
| 63 | $url['host'] = $option_url['host']; |
| 64 | } |
| 65 | if ( "www.{$url[ 'host' ]}" === $option_url['host'] ) { |
| 66 | // add www if present in option URL. |
| 67 | $url['host'] = $option_url['host']; |
| 68 | } |
| 69 | |
| 70 | $normalized_url = "{$url['scheme']}://{$url['host']}"; |
| 71 | if ( isset( $url['path'] ) ) { |
| 72 | $normalized_url .= "{$url['path']}"; |
| 73 | } |
| 74 | |
| 75 | if ( isset( $url['query'] ) ) { |
| 76 | $normalized_url .= "?{$url['query']}"; |
| 77 | } |
| 78 | |
| 79 | return $normalized_url; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Return URL with a normalized protocol. |
| 84 | * |
| 85 | * @param string $callable Function name that was used to retrieve URL option. |
| 86 | * @param string $new_value URL Protocol to set URLs to. |
| 87 | * @return string Normalized URL. |
| 88 | */ |
| 89 | public static function get_protocol_normalized_url( $callable, $new_value ) { |
| 90 | $option_key = self::HTTPS_CHECK_OPTION_PREFIX . $callable; |
| 91 | |
| 92 | $parsed_url = wp_parse_url( $new_value ); |
| 93 | |
| 94 | if ( ! $parsed_url ) { |
| 95 | return $new_value; |
| 96 | } |
| 97 | if ( array_key_exists( 'scheme', $parsed_url ) ) { |
| 98 | $scheme = $parsed_url['scheme']; |
| 99 | } else { |
| 100 | $scheme = ''; |
| 101 | } |
| 102 | $scheme_history = get_option( $option_key, array() ); |
| 103 | |
| 104 | if ( ! is_array( $scheme_history ) ) { |
| 105 | $scheme_history = array(); |
| 106 | } |
| 107 | |
| 108 | $scheme_history[] = $scheme; |
| 109 | |
| 110 | // Limit length to self::HTTPS_CHECK_HISTORY. |
| 111 | $scheme_history = array_slice( $scheme_history, ( self::HTTPS_CHECK_HISTORY * -1 ) ); |
| 112 | |
| 113 | update_option( $option_key, $scheme_history ); |
| 114 | |
| 115 | $forced_scheme = in_array( 'https', $scheme_history, true ) ? 'https' : 'http'; |
| 116 | |
| 117 | return set_url_scheme( $new_value, $forced_scheme ); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Helper function that is used when getting home or siteurl values. Decides |
| 122 | * whether to get the raw or filtered value. |
| 123 | * |
| 124 | * @param string $url_type URL to get, home or siteurl. |
| 125 | * @return string |
| 126 | */ |
| 127 | public static function get_raw_or_filtered_url( $url_type ) { |
| 128 | $url_function = ( 'home' === $url_type ) |
| 129 | ? 'home_url' |
| 130 | : 'site_url'; |
| 131 | |
| 132 | if ( |
| 133 | ! Constants::is_defined( 'JETPACK_SYNC_USE_RAW_URL' ) || |
| 134 | Constants::get_constant( 'JETPACK_SYNC_USE_RAW_URL' ) |
| 135 | ) { |
| 136 | $scheme = is_ssl() ? 'https' : 'http'; |
| 137 | $url = (string) self::get_raw_url( $url_type ); |
| 138 | $url = set_url_scheme( $url, $scheme ); |
| 139 | } else { |
| 140 | $url = self::normalize_www_in_url( $url_type, $url_function ); |
| 141 | } |
| 142 | |
| 143 | return self::get_protocol_normalized_url( $url_function, $url ); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Return the escaped home_url. |
| 148 | * |
| 149 | * @return string |
| 150 | */ |
| 151 | public static function home_url() { |
| 152 | $url = self::get_raw_or_filtered_url( 'home' ); |
| 153 | |
| 154 | /** |
| 155 | * Allows overriding of the home_url value that is synced back to WordPress.com. |
| 156 | * |
| 157 | * @since 1.7.0 |
| 158 | * @since-jetpack 5.2.0 |
| 159 | * |
| 160 | * @param string $home_url |
| 161 | */ |
| 162 | return esc_url_raw( apply_filters( 'jetpack_sync_home_url', $url ) ); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Return the escaped siteurl. |
| 167 | * |
| 168 | * @return string |
| 169 | */ |
| 170 | public static function site_url() { |
| 171 | $url = self::get_raw_or_filtered_url( 'siteurl' ); |
| 172 | |
| 173 | /** |
| 174 | * Allows overriding of the site_url value that is synced back to WordPress.com. |
| 175 | * |
| 176 | * @since 1.7.0 |
| 177 | * @since-jetpack 5.2.0 |
| 178 | * |
| 179 | * @param string $site_url |
| 180 | */ |
| 181 | return esc_url_raw( apply_filters( 'jetpack_sync_site_url', $url ) ); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Return main site URL with a normalized protocol. |
| 186 | * |
| 187 | * @return string |
| 188 | */ |
| 189 | public static function main_network_site_url() { |
| 190 | return self::get_protocol_normalized_url( 'main_network_site_url', network_site_url() ); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Maybe add the origin_site_id query parameter to a URL. |
| 195 | * |
| 196 | * The parameter is only added for users who are members of the current blog. |
| 197 | * |
| 198 | * @since 7.1.0 |
| 199 | * |
| 200 | * @param string $url The URL to add the query param to. |
| 201 | * @return string The URL with the origin_site_id query parameter maybe added. |
| 202 | */ |
| 203 | public static function maybe_add_origin_site_id( $url ) { |
| 204 | $site_id = Manager::get_site_id(); |
| 205 | if ( is_wp_error( $site_id ) ) { |
| 206 | return $url; |
| 207 | } |
| 208 | |
| 209 | // Add query param to URL only for users who can access wp-admin. |
| 210 | if ( ! is_user_member_of_blog() ) { |
| 211 | return $url; |
| 212 | } |
| 213 | |
| 214 | return add_query_arg( 'origin_site_id', $site_id, $url ); |
| 215 | } |
| 216 | } |