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Diffstat (limited to 'plugins/jetpack/class.jetpack-data.php')
| -rw-r--r-- | plugins/jetpack/class.jetpack-data.php | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/plugins/jetpack/class.jetpack-data.php b/plugins/jetpack/class.jetpack-data.php new file mode 100644 index 00000000..13b15bbc --- /dev/null +++ b/plugins/jetpack/class.jetpack-data.php @@ -0,0 +1,128 @@ +<?php + +class Jetpack_Data { + /** + * Gets locally stored token + * + * @return object|false + */ + public static function get_access_token( $user_id = false ) { + if ( $user_id ) { + if ( !$tokens = Jetpack_Options::get_option( 'user_tokens' ) ) { + return false; + } + if ( $user_id === JETPACK_MASTER_USER ) { + if ( !$user_id = Jetpack_Options::get_option( 'master_user' ) ) { + return false; + } + } + if ( !isset( $tokens[$user_id] ) || !$token = $tokens[$user_id] ) { + return false; + } + $token_chunks = explode( '.', $token ); + if ( empty( $token_chunks[1] ) || empty( $token_chunks[2] ) ) { + return false; + } + if ( $user_id != $token_chunks[2] ) { + return false; + } + $token = "{$token_chunks[0]}.{$token_chunks[1]}"; + } else { + $token = Jetpack_Options::get_option( 'blog_token' ); + if ( empty( $token ) ) { + return false; + } + } + + return (object) array( + 'secret' => $token, + 'external_user_id' => (int) $user_id, + ); + } + + /** + * This function mirrors Jetpack_Data::is_usable_domain() in the WPCOM codebase. + * + * @param $domain + * @param array $extra + * + * @return bool|WP_Error + */ + public static function is_usable_domain( $domain, $extra = array() ) { + + // If it's empty, just fail out. + if ( ! $domain ) { + return new WP_Error( 'fail_domain_empty', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is empty.', 'jetpack' ), $domain ) ); + } + + /** + * Skips the usuable domain check when connecting a site. + * + * Allows site administrators with domains that fail gethostname-based checks to pass the request to WP.com + * + * @since 4.1.0 + * + * @param bool If the check should be skipped. Default false. + */ + if ( apply_filters( 'jetpack_skip_usuable_domain_check', false ) ) { + return true; + } + + // None of the explicit localhosts. + $forbidden_domains = array( + 'wordpress.com', + 'localhost', + 'localhost.localdomain', + '127.0.0.1', + 'local.wordpress.test', // VVV + 'local.wordpress-trunk.test', // VVV + 'src.wordpress-develop.test', // VVV + 'build.wordpress-develop.test', // VVV + ); + if ( in_array( $domain, $forbidden_domains ) ) { + return new WP_Error( 'fail_domain_forbidden', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is in the forbidden array.', 'jetpack' ), $domain ) ); + } + + // No .test or .local domains + if ( preg_match( '#\.(test|local)$#i', $domain ) ) { + return new WP_Error( 'fail_domain_tld', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it uses an invalid top level domain.', 'jetpack' ), $domain ) ); + } + + // No WPCOM subdomains + if ( preg_match( '#\.wordpress\.com$#i', $domain ) ) { + return new WP_Error( 'fail_subdomain_wpcom', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is a subdomain of WordPress.com.', 'jetpack' ), $domain ) ); + } + + // If PHP was compiled without support for the Filter module (very edge case) + if ( ! function_exists( 'filter_var' ) ) { + // Just pass back true for now, and let wpcom sort it out. + return true; + } + + return true; + } + + /** + * Returns true if the IP address passed in should not be in a reserved range, even if PHP says that it is. + * See: https://bugs.php.net/bug.php?id=66229 and https://github.com/php/php-src/commit/d1314893fd1325ca6aa0831101896e31135a2658 + * + * This function mirrors Jetpack_Data::php_bug_66229_check() in the WPCOM codebase. + */ + public static function php_bug_66229_check( $ip ) { + if ( ! filter_var( $ip, FILTER_VALIDATE_IP ) ) { + return false; + } + + $ip_arr = array_map( 'intval', explode( '.', $ip ) ); + + if ( 128 == $ip_arr[0] && 0 == $ip_arr[1] ) { + return true; + } + + if ( 191 == $ip_arr[0] && 255 == $ip_arr[1] ) { + return true; + } + + return false; + } +} |