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<?php |
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|
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/** |
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* The class handles the url replacements. |
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* |
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* @package \Optml\Inc |
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* @author Optimole <friends@optimole.com> |
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*/ |
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final class Optml_Url_Replacer extends Optml_App_Replacer { |
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|
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use Optml_Validator; |
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use Optml_Normalizer; |
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|
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/** |
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* Cached object instance. |
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* |
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* @var Optml_Url_Replacer |
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*/ |
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protected static $instance = null; |
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|
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/** |
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* Class instance method. |
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* |
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* @codeCoverageIgnore |
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* @static |
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* @return Optml_Url_Replacer |
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* @since 1.0.0 |
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* @access public |
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*/ |
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public static function instance() { |
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if ( null === self::$instance ) { |
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self::$instance = new self(); |
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add_action( 'optml_replacer_setup', [ self::$instance, 'init' ] ); |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* A filter which turns a local url into an optimized CDN image url or an array of image urls. |
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* |
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* @param string $url The url which should be replaced. |
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* |
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* @return string Replaced url. |
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*/ |
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public function replace_option_url( $url ) { |
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if ( empty( $url ) ) { |
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return $url; |
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} |
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// $url might be an array or an json encoded array with urls. |
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if ( is_array( $url ) || filter_var( $url, FILTER_VALIDATE_URL ) === false ) { |
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$array = $url; |
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$encoded = false; |
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|
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// it might a json encoded array |
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if ( is_string( $url ) ) { |
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$array = json_decode( $url, true ); |
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$encoded = true; |
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} |
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|
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// in case there is an array, apply it recursively. |
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if ( is_array( $array ) ) { |
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foreach ( $array as $index => $value ) { |
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$array[ $index ] = $this->replace_option_url( $value ); |
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} |
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|
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if ( $encoded ) { |
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return json_encode( $array ); |
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} |
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|
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return $array; |
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} |
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|
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if ( filter_var( $url, FILTER_VALIDATE_URL ) === false ) { |
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return $url; |
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} |
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} |
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|
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return apply_filters( 'optml_content_url', $url ); |
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} |
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|
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/** |
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* The initialize method. |
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*/ |
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public function init() { |
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|
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add_filter( 'optml_replace_image', [ $this, 'build_url' ], 10, 2 ); |
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parent::init(); |
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|
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Optml_Quality::$default_quality = $this->to_accepted_quality( $this->settings->get_quality() ); |
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Optml_Image::$watermark = new Optml_Watermark( $this->settings->get_site_settings()['watermark'] ); |
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Optml_Resize::$default_enlarge = apply_filters( 'optml_always_enlarge', false ); |
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add_filter( 'optml_content_url', [ $this, 'build_url' ], 1, 2 ); |
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|
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} |
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|
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/** |
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* Returns a signed image url authorized to be used in our CDN. |
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* |
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* @param string $url The url which should be signed. |
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* @param array $args Dimension params; Supports `width` and `height`. |
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* |
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* @return string |
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*/ |
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public function build_url( |
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$url, $args = [ |
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'width' => 'auto', |
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'height' => 'auto', |
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] |
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) { |
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if ( apply_filters( 'optml_dont_replace_url', false, $url ) ) { |
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return $url; |
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} |
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|
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$original_url = $url; |
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|
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$is_slashed = strpos( $url, '\/' ) !== false; |
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|
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// We do a little hack here, for json unicode chars we first replace them with html special chars, |
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// we then strip slashes to normalize the URL and last we convert html special chars back to get a clean URL |
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$url = $is_slashed ? html_entity_decode( stripslashes( preg_replace( '/\\\u([\da-fA-F]{4})/', '&#x\1;', $url ) ) ) : ( $url ); |
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$is_uploaded = Optml_Media_Offload::is_not_processed_image( $url ); |
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if ( $is_uploaded === true ) { |
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$attachment_id = []; |
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preg_match( '/\/' . Optml_Media_Offload::KEYS['not_processed_flag'] . '([^\/]*)\//', $url, $attachment_id ); |
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if ( ! isset( $attachment_id[1] ) ) { |
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return $url; |
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} |
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$id_and_filename = []; |
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preg_match( '/\/(' . Optml_Media_Offload::KEYS['uploaded_flag'] . '.*)/', $url, $id_and_filename ); |
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if ( isset( $id_and_filename[0] ) ) { |
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$id_and_filename = $id_and_filename[0]; |
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} |
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$sizes = Optml_Media_Offload::parse_dimension_from_optimized_url( $url ); |
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if ( isset( $sizes[0] ) && $sizes[0] !== false ) { |
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$args['width'] = $sizes[0]; |
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} |
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if ( isset( $sizes[1] ) && $sizes[1] !== false ) { |
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$args['height'] = $sizes[1]; |
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} |
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$unoptimized_url = false; |
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if ( $attachment_id[1] === 'media_cloud' ) { |
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$tmp_url = explode( '/', $id_and_filename, 3 ); |
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if ( isset( $tmp_url[2] ) ) { |
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$unoptimized_url = $tmp_url[2]; |
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} |
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} else { |
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$unoptimized_url = Optml_Media_Offload::get_original_url( $attachment_id[1] ); |
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} |
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if ( $unoptimized_url !== false ) { |
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$url = $unoptimized_url; |
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} |
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} |
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if ( strpos( $url, Optml_Config::$service_url ) !== false ) { |
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return $original_url; |
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} |
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|
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if ( ! $this->can_replace_url( $url ) ) { |
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return $original_url; |
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} |
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|
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// Remove any query strings that might affect conversion. |
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$url = strtok( $url, '?' ); |
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$ext = $this->is_valid_mimetype_from_url( $url, self::$filters[ Optml_Settings::FILTER_TYPE_OPTIMIZE ][ Optml_Settings::FILTER_EXT ] ); |
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if ( false === $ext ) { |
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return $original_url; |
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} |
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|
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if ( isset( $args['quality'] ) && ! empty( $args['quality'] ) ) { |
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$args['quality'] = $this->to_accepted_quality( $args['quality'] ); |
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} |
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|
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if ( isset( $args['minify'] ) && ! empty( $args['minify'] ) ) { |
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$args['minify'] = $this->to_accepted_minify( $args['minify'] ); |
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} |
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|
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// this will authorize the image |
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if ( ! empty( $this->site_mappings ) ) { |
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$url = str_replace( array_keys( $this->site_mappings ), array_values( $this->site_mappings ), $url ); |
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} |
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if ( substr( $url, 0, 2 ) === '//' ) { |
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$url = sprintf( '%s:%s', is_ssl() ? 'https' : 'http', $url ); |
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} |
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if ( isset( Optml_Config::$image_extensions[ strtolower( $ext ) ] ) ) { |
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$new_url = $this->normalize_image( $url, $original_url, $args, $is_uploaded ); |
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if ( $is_uploaded ) { |
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$new_url = str_replace( '/' . $url, $id_and_filename, $new_url ); |
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} |
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} else { |
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$new_url = ( new Optml_Asset( $url, $args, $this->active_cache_buster, $this->is_css_minify_on, $this->is_js_minify_on ) )->get_url(); |
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} |
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return $is_slashed ? addcslashes( $new_url, '/' ) : $new_url; |
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} |
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|
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/** |
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* Apply extra normalization to image. |
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* |
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* @param string $url Image url. |
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* @param string $original_url Original image url. |
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* @param array $args Args. |
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* |
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* @return string |
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*/ |
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private function normalize_image( $url, $original_url, $args, $is_uploaded = false ) { |
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|
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$new_url = $this->strip_image_size_from_url( $url ); |
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|
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if ( $new_url !== $url || $is_uploaded === true ) { |
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if ( ! isset( $args['quality'] ) || $args['quality'] !== 'eco' ) { |
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if ( $is_uploaded === true ) { |
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$crop = false; |
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} |
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if ( $is_uploaded !== true ) { |
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list($args['width'], $args['height'], $crop) = $this->parse_dimensions_from_filename( $url ); |
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} |
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if ( ! $crop ) { |
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$sizes2crop = self::size_to_crop(); |
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$crop = isset( $sizes2crop[ $args['width'] . $args['height'] ] ) ? $sizes2crop[ $args['width'] . $args['height'] ] : false; |
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} |
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if ( $crop ) { |
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$args['resize'] = $this->to_optml_crop( $crop ); |
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} |
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} |
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$url = $new_url; |
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} |
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if ( ! isset( $args['width'] ) ) { |
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$args['width'] = 'auto'; |
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} |
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if ( ! isset( $args['height'] ) ) { |
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$args['height'] = 'auto'; |
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} |
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$args['width'] = (int) $args['width']; |
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$args['height'] = (int) $args['height']; |
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if ( $args['width'] > 0 && $args['height'] > 0 ) { |
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list( $args['width'], $args['height'] ) = wp_constrain_dimensions( $args['width'], $args['height'], $this->max_width, $this->max_height ); |
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} elseif ( $args['width'] > 0 ) { |
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$args['width'] = $args['width'] > $this->max_width ? $this->max_width : $args['width']; |
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} elseif ( $args['height'] > 0 ) { |
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$args['height'] = $args['height'] > $this->max_height ? $this->max_height : $args['height']; |
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} |
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if ( isset( $args['resize'], $args['resize']['gravity'] ) && $this->settings->is_smart_cropping() ) { |
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$args['resize']['gravity'] = Optml_Resize::GRAVITY_SMART; |
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} |
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$args = apply_filters( 'optml_image_args', $args, $original_url ); |
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|
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$arguments = [ |
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'apply_watermark' => apply_filters( 'optml_apply_watermark_for', true, $url ), |
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]; |
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|
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if ( isset( $args['format'] ) && ! empty( $args['format'] ) ) { |
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$arguments['format'] = $args['format']; |
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} |
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|
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return ( new Optml_Image( $url, $args, $this->active_cache_buster ) )->get_url( $arguments ); |
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|
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} |
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|
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/** |
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* Throw error on object clone |
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* |
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* The whole idea of the singleton design pattern is that there is a single |
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* object therefore, we don't want the object to be cloned. |
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* |
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* @codeCoverageIgnore |
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* @access public |
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* @return void |
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* @since 1.0.0 |
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*/ |
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public function __clone() { |
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// Cloning instances of the class is forbidden. |
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_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); |
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} |
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|
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/** |
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* Disable unserializing of the class |
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* |
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* @codeCoverageIgnore |
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* @access public |
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* @return void |
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* @since 1.0.0 |
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*/ |
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public function __wakeup() { |
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// Unserializing instances of the class is forbidden. |
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_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); |
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} |
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} |
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|
