| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Embeds webfonts in styles. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @package     Kirki | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @category    Core | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @author      Aristeides Stathopoulos | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright   Copyright (c) 2017, Aristeides Stathopoulos | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @since       3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * Manages the way Google Fonts are enqueued. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | final class Kirki_Modules_Webfonts_Embed { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 * The config ID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 	 * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	protected $config_id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 * The Kirki_Modules_Webfonts object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	 * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @var object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	protected $webfonts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	 * The Kirki_Fonts_Google object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	 * @var object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	protected $googlefonts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	 * The google link | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	 * @access public | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	 * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	public $link = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * Constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	 * @access public | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	 * @since 3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	 * @param string $config_id   The config-ID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	 * @param object $webfonts    The Kirki_Modules_Webfonts object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	 * @param object $googlefonts The Kirki_Fonts_Google object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	 * @param array  $args        Extra args we want to pass. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	public function __construct( $config_id, $webfonts, $googlefonts, $args = array() ) { | 
                            
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                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 		$this->config_id   = $config_id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 		$this->webfonts    = $webfonts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 		$this->googlefonts = $googlefonts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 		add_filter( "kirki/{$config_id}/dynamic_css", array( $this, 'embed_css' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 		add_action( 'wp_enqueue_scripts', array( $this, 'inline_css' ), 999 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	 * Adds inline css. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	 * @access public | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 78 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  | 	public function inline_css() { | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  | 		wp_add_inline_style( 'kirki-styles', $this->embed_css() ); | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 	 * Embeds the CSS from googlefonts API inside the Kirki output CSS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	 * @access public | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	 * @param string $css The original CSS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	 * @return string     The modified CSS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	public function embed_css( $css = '' ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 		// Go through our fields and populate $this->fonts. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 		$this->webfonts->loop_fields( $this->config_id ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 		$this->googlefonts->fonts = apply_filters( 'kirki/enqueue_google_fonts', $this->googlefonts->fonts ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 		// Goes through $this->fonts and adds or removes things as needed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		$this->googlefonts->process_fonts(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 		// Go through $this->fonts and populate $this->link. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 		$link_obj = new Kirki_Modules_Webfonts_Link( $this->config_id, $this->webfonts, $this->googlefonts ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 		$link_obj->create_link(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 		$this->link = $link_obj->link; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 		// If $this->link is not empty then enqueue it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 		if ( '' !== $this->link ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 			return $this->get_url_contents( $this->link ) . "\n" . $css; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 		return $css; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 	 * Get the contents of a remote google-fonts link. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	 * Responses get cached for 1 day. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	 * @since 3.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 	 * @param string $url The link we want to get. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 	 * @return string|false Returns false if there's an error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 	protected function get_url_contents( $url = '' ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 		// If $url is not set, use $this->link. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 		$url = ( '' === $url ) ? $this->link : $url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 		// Sanitize the URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 		$url = esc_url_raw( $url ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 		// The transient name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 		$transient_name = 'kirki_googlefonts_contents_' . md5( $url ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 		// Get the transient value. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 		$data = get_transient( $transient_name ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		// Check for transient, if none, grab remote HTML file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 		if ( false === $data ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 			// Get remote HTML file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 			$response = wp_remote_get( $url ); | 
                            
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                | 141 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 			// Check for error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 			if ( is_wp_error( $response ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 				set_transient( 'kirki_googlefonts_fallback_to_link', 'yes', HOUR_IN_SECONDS ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 				return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 			if ( ! isset( $response['response'] ) || ! is_array( $response['response'] ) || ! isset( $response['response']['code'] ) || 200 !== $response['response']['code'] ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 				return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 			// Parse remote HTML file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 			$data = wp_remote_retrieve_body( $response ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 			// Check for error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 			if ( is_wp_error( $data ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 				set_transient( 'kirki_googlefonts_fallback_to_link', 'yes', HOUR_IN_SECONDS ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 				return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 			// Return false if the data is empty. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 			if ( ! $data ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 				set_transient( 'kirki_googlefonts_fallback_to_link', 'yes', HOUR_IN_SECONDS ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 				return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 			// Store remote HTML file in transient, expire after 24 hours. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 			set_transient( $transient_name, $data, DAY_IN_SECONDS ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 			set_transient( 'kirki_googlefonts_fallback_to_link', 'no', DAY_IN_SECONDS ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 		return $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 175 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 176 |  |  |  | 
            
                        
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.