Automattic /
jetpack
| Conditions | 10 |
| Paths | 10 |
| Total Lines | 63 |
| Code Lines | 27 |
| Lines | 6 |
| Ratio | 9.52 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 51 | public static function is_usable_domain( $domain, $extra = array() ) { |
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| 52 | |||
| 53 | // If it's empty, just fail out. |
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| 54 | if ( ! $domain ) { |
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| 55 | return new WP_Error( 'fail_domain_empty', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is empty.', 'jetpack' ), $domain ) ); |
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| 56 | } |
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| 57 | |||
| 58 | /** |
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| 59 | * Skips the usuable domain check when connecting a site. |
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| 60 | * |
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| 61 | * Allows site administrators with domains that fail gethostname-based checks to pass the request to WP.com |
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| 62 | * |
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| 63 | * @since 4.1.0 |
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| 64 | * |
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| 65 | * @param bool If the check should be skipped. Default false. |
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| 66 | */ |
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| 67 | if ( apply_filters( 'jetpack_skip_usuable_domain_check', false ) ) { |
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| 68 | return true; |
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| 69 | } |
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| 70 | |||
| 71 | // None of the explicit localhosts. |
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| 72 | $forbidden_domains = array( |
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| 73 | 'wordpress.com', |
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| 74 | 'localhost', |
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| 75 | 'localhost.localdomain', |
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| 76 | '127.0.0.1', |
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| 77 | 'local.wordpress.dev', // VVV |
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| 78 | 'local.wordpress-trunk.dev', // VVV |
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| 79 | 'src.wordpress-develop.dev', // VVV |
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| 80 | 'build.wordpress-develop.dev', // VVV |
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| 81 | ); |
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| 82 | if ( in_array( $domain, $forbidden_domains ) ) { |
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| 83 | return new WP_Error( 'fail_domain_forbidden', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is in the forbidden array.', 'jetpack' ), $domain ) ); |
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| 84 | } |
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| 85 | |||
| 86 | // No .dev or .local domains |
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| 87 | View Code Duplication | if ( preg_match( '#\.(dev|local)$#i', $domain ) ) { |
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| 88 | return new WP_Error( 'fail_domain_tld', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it uses an invalid top level domain.', 'jetpack' ), $domain ) ); |
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| 89 | } |
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| 90 | |||
| 91 | // No WPCOM subdomains |
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| 92 | View Code Duplication | if ( preg_match( '#\.wordpress\.com$#i', $domain ) ) { |
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| 93 | return new WP_Error( 'fail_subdomain_wpcom', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as it is a subdomain of WordPress.com.', 'jetpack' ), $domain ) ); |
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| 94 | } |
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| 95 | |||
| 96 | // If PHP was compiled without support for the Filter module (very edge case) |
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| 97 | if ( ! function_exists( 'filter_var' ) ) { |
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| 98 | // Just pass back true for now, and let wpcom sort it out. |
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| 99 | return true; |
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| 100 | } |
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| 101 | |||
| 102 | // Check the IP to make sure it's pingable. |
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| 103 | $ip = gethostbyname( $domain ); |
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| 104 | |||
| 105 | // Doing this again as I was getting some false positives when gethostbyname() flaked out and returned the domain. |
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| 106 | $ip = filter_var( $ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 ) ? $ip : gethostbyname( $ip ); |
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| 107 | |||
| 108 | if ( ! filter_var( $ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE | FILTER_FLAG_IPV4 ) && ! self::php_bug_66229_check( $ip ) ) { |
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| 109 | return new WP_Error( 'fail_domain_bad_ip_range', sprintf( __( 'Domain `%1$s` just failed is_usable_domain check as its IP `%2$s` is either invalid, or in a reserved or private range.', 'jetpack' ), $domain, $ip ) ); |
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| 110 | } |
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| 111 | |||
| 112 | return true; |
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| 113 | } |
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| 114 | |||
| 139 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.