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<?php |
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/** |
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* Domain Mapping 3rd Party |
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* |
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* @package Jetpack. |
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*/ |
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namespace Automattic\Jetpack\Third_Party; |
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use Automattic\Jetpack\Constants; |
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/** |
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* Class Automattic\Jetpack\Third_Party\Domain_Mapping. |
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* |
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* This class contains methods that are used to provide compatibility between Jetpack sync and domain mapping plugins. |
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*/ |
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class Domain_Mapping { |
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/** |
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* Singleton holder. |
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* |
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* @var Domain_Mapping |
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**/ |
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private static $instance = null; |
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/** |
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* An array of methods that are used to hook the Jetpack sync filters for home_url and site_url to a mapping plugin. |
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* |
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* @var array |
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*/ |
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public static $test_methods = array( |
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'hook_wordpress_mu_domain_mapping', |
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'hook_wpmu_dev_domain_mapping', |
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); |
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/** |
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* Singleton constructor. |
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* |
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* @return Domain_Mapping|null |
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*/ |
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public static function init() { |
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if ( is_null( self::$instance ) ) { |
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self::$instance = new Domain_Mapping(); |
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} |
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return self::$instance; |
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} |
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/** |
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* Class Automattic\Jetpack\Third_Party\Domain_Mapping constructor. |
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*/ |
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private function __construct() { |
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add_action( 'plugins_loaded', array( $this, 'attempt_to_hook_domain_mapping_plugins' ) ); |
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} |
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/** |
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* This function is called on the plugins_loaded action and will loop through the $test_methods |
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* to try and hook a domain mapping plugin to the Jetpack sync filters for the home_url and site_url callables. |
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*/ |
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public function attempt_to_hook_domain_mapping_plugins() { |
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if ( ! Constants::is_defined( 'SUNRISE' ) ) { |
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return; |
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} |
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$hooked = false; |
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$count = count( self::$test_methods ); |
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for ( $i = 0; $i < $count && ! $hooked; $i++ ) { |
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$hooked = call_user_func( array( $this, self::$test_methods[ $i ] ) ); |
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} |
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} |
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/** |
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* This method will test for a constant and function that are known to be used with Donncha's WordPress MU |
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* Domain Mapping plugin. If conditions are met, we hook the domain_mapping_siteurl() function to Jetpack sync |
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* filters for home_url and site_url callables. |
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* |
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* @return bool |
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*/ |
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public function hook_wordpress_mu_domain_mapping() { |
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if ( ! Constants::is_defined( 'SUNRISE_LOADED' ) || ! $this->function_exists( 'domain_mapping_siteurl' ) ) { |
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return false; |
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} |
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add_filter( 'jetpack_sync_home_url', 'domain_mapping_siteurl' ); |
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add_filter( 'jetpack_sync_site_url', 'domain_mapping_siteurl' ); |
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return true; |
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} |
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/** |
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* This method will test for a class and method known to be used in WPMU Dev's domain mapping plugin. If the |
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* method exists, then we'll hook the swap_to_mapped_url() to our Jetpack sync filters for home_url and site_url. |
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* |
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* @return bool |
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*/ |
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public function hook_wpmu_dev_domain_mapping() { |
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if ( ! $this->class_exists( 'domain_map' ) || ! $this->method_exists( 'domain_map', 'utils' ) ) { |
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return false; |
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} |
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$utils = $this->get_domain_mapping_utils_instance(); |
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add_filter( 'jetpack_sync_home_url', array( $utils, 'swap_to_mapped_url' ) ); |
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add_filter( 'jetpack_sync_site_url', array( $utils, 'swap_to_mapped_url' ) ); |
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return true; |
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} |
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/* |
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* Utility Methods |
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* |
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* These methods are very minimal, and in most cases, simply pass on arguments. Why create them you ask? |
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* So that we can test. |
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*/ |
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/** |
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* Checks if a method exists. |
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* |
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* @param string $class Class name. |
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* @param string $method Method name. |
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* |
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* @return bool Returns function_exists() without modification. |
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*/ |
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public function method_exists( $class, $method ) { |
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return method_exists( $class, $method ); |
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} |
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/** |
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* Checks if a class exists. |
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* |
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* @param string $class Class name. |
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* |
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* @return bool Returns class_exists() without modification. |
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*/ |
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public function class_exists( $class ) { |
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return class_exists( $class ); |
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} |
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/** |
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* Checks if a function exists. |
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* |
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* @param string $function Function name. |
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* |
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* @return bool Returns function_exists() without modification. |
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*/ |
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public function function_exists( $function ) { |
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return function_exists( $function ); |
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} |
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/** |
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* Returns the Domain_Map::utils() instance. |
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* |
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* @see https://github.com/wpmudev/domain-mapping/blob/master/classes/Domainmap/Utils.php |
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* @return Domainmap_Utils |
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*/ |
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public function get_domain_mapping_utils_instance() { |
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return domain_map::utils(); |
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} |
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} |
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Domain_Mapping::init(); |
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Automattic /
jetpack
