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<?php |
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/** |
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* CSS contact |
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* |
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* @package PoweredCache\Optimizer |
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*/ |
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|
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//phpcs:disable Squiz.Commenting.VariableComment.Missing |
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//phpcs:disable Generic.Commenting.DocComment.MissingShort |
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//phpcs:disable Squiz.Commenting.FunctionComment.MissingParamName |
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//phpcs:disable Squiz.Commenting.FunctionComment.MissingParamTag |
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|
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namespace PoweredCache\Optimizer; |
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|
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use PoweredCache\CDN; |
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use \WP_Styles as WP_Styles; |
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|
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/** |
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* Class CSS |
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*/ |
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class CSS extends WP_Styles { |
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private $old_styles; |
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public $allow_gzip_compression; |
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public $do_minify; |
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public $enable_cdn; |
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|
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/** |
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* CSS constructor. |
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* |
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* @param object $styles WP_Styles |
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*/ |
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public function __construct( $styles ) { |
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if ( empty( $styles ) || ! ( $styles instanceof WP_Styles ) ) { |
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$this->old_styles = new WP_Styles(); |
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} else { |
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$this->old_styles = $styles; |
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} |
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|
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// Unset all the object properties except our private copy of the styles object. |
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// We have to unset everything so that the overload methods talk to $this->old_styles->whatever |
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// instead of $this->whatever. |
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foreach ( array_keys( get_object_vars( $this ) ) as $key ) { |
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if ( 'old_styles' === $key ) { |
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continue; |
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} |
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unset( $this->$key ); |
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} |
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} |
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|
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/** |
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* Prep items for concat |
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* |
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* @param bool $handles CSS handler |
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* @param bool $group CSS group |
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* |
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* @return string[] |
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*/ |
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public function do_items( $handles = false, $group = false ) { |
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$handles = false === $handles ? $this->queue : (array) $handles; |
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$stylesheets = array(); |
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/** |
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* Filters site url |
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* |
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* @hook powered_cache_fo_site_url |
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* |
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* @param {string} $base_url Site URL. |
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* |
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* @return {string} New value. |
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* @since 2.0 |
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*/ |
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$siteurl = apply_filters( 'powered_cache_fo_site_url', $this->base_url ); |
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$this->all_deps( $handles ); |
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|
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$stylesheet_group_index = 0; |
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foreach ( $this->to_do as $key => $handle ) { |
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$obj = $this->registered[ $handle ]; |
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|
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if ( $this->enable_cdn ) { // since CDN replaces hostname, it breaks is_internal_url checks. |
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remove_filter( 'style_loader_src', array( CDN::factory(), 'cdn_url' ), PHP_INT_MAX ); |
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} |
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|
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$obj->src = apply_filters( 'style_loader_src', $obj->src, $obj->handle ); |
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|
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if ( $this->enable_cdn ) { // add filter back |
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add_filter( 'style_loader_src', array( CDN::factory(), 'cdn_url' ), PHP_INT_MAX ); |
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} |
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|
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// Core is kind of broken and returns "true" for src of "colors" handle |
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// http://core.trac.wordpress.org/attachment/ticket/16827/colors-hacked-fixed.diff |
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// http://core.trac.wordpress.org/ticket/20729 |
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$css_url = $obj->src; |
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if ( 'colors' === $obj->handle && true === $css_url ) { |
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$css_url = wp_style_loader_src( $css_url, $obj->handle ); |
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} |
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|
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$css_url_parsed = wp_parse_url( $obj->src ); |
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$extra = $obj->extra; |
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|
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// Don't concat by default |
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$do_concat = false; |
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|
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// Only try to concat static css files |
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if ( false !== strpos( $css_url_parsed['path'], '.css' ) ) { |
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$do_concat = true; |
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} |
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|
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// Don't try to concat styles which are loaded conditionally (like IE stuff) |
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if ( isset( $extra['conditional'] ) ) { |
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$do_concat = false; |
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} |
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|
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// Don't concat rtl stuff for now until concat supports it correctly |
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if ( 'rtl' === $this->text_direction && ! empty( $extra['rtl'] ) ) { |
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$do_concat = false; |
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} |
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|
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// Don't try to concat externally hosted scripts |
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$is_internal_url = Helper::is_internal_url( $css_url, $siteurl ); |
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if ( ! $is_internal_url ) { |
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$do_concat = false; |
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} |
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|
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// Concat and canonicalize the paths only for |
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// existing scripts that aren't outside ABSPATH |
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$css_realpath = Helper::realpath( $css_url, $siteurl ); |
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if ( ! $css_realpath || 0 !== strpos( $css_realpath, ABSPATH ) ) { |
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$do_concat = false; |
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} else { |
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$css_url_parsed['path'] = substr( $css_realpath, strlen( ABSPATH ) - 1 ); |
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} |
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|
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if ( Helper::is_excluded_css( $css_url ) ) { |
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$do_concat = false; |
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} |
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|
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/** |
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* Allow plugins to disable concatenation of certain stylesheets. |
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* |
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* @hook powered_cache_fo_css_do_concat |
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* |
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* @param {boolean} $do_concat Contact status. |
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* @param {string} $handle Handle of registered CSS item. |
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* |
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* @return {boolean} New value. |
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* @since 2.0 |
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*/ |
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$do_concat = apply_filters( 'powered_cache_fo_css_do_concat', $do_concat, $handle ); |
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|
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if ( true === $do_concat ) { |
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$media = $obj->args; |
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if ( empty( $media ) ) { |
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$media = 'all'; |
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} |
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if ( ! isset( $stylesheets[ $stylesheet_group_index ] ) || ( isset( $stylesheets[ $stylesheet_group_index ] ) && ! is_array( $stylesheets[ $stylesheet_group_index ] ) ) ) { |
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$stylesheets[ $stylesheet_group_index ] = array(); |
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} |
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|
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$stylesheets[ $stylesheet_group_index ][ $media ][ $handle ] = $css_url_parsed['path']; |
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$this->done[] = $handle; |
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} else { |
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$stylesheet_group_index ++; |
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$stylesheets[ $stylesheet_group_index ]['noconcat'][] = $handle; |
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$stylesheet_group_index ++; |
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} |
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unset( $this->to_do[ $key ] ); |
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} |
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|
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foreach ( $stylesheets as $idx => $stylesheets_group ) { |
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foreach ( $stylesheets_group as $media => $css ) { |
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if ( 'noconcat' === $media ) { |
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|
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foreach ( $css as $handle ) { |
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if ( $this->do_item( $handle, $group ) ) { |
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$this->done[] = $handle; |
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} |
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} |
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continue; |
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} elseif ( count( $css ) > 1 ) { |
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$paths = array_map( |
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function ( $url ) { |
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return ABSPATH . $url; |
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}, |
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$css |
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); |
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$mtime = max( array_map( 'filemtime', $paths ) ); |
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$path_str = implode( ',', $css ) . "?m={$mtime}"; |
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|
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if ( $this->allow_gzip_compression ) { |
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$path_64 = base64_encode( gzcompress( $path_str ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode |
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if ( strlen( $path_str ) > ( strlen( $path_64 ) + 1 ) ) { |
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$path_str = '-' . $path_64; |
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} |
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} |
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|
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$href = Helper::get_optimized_url( $path_str, $this->do_minify ); |
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} else { |
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if ( $this->do_minify ) { |
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$href = Helper::get_optimized_url( current( $css ), $this->do_minify ); |
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} else { |
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$href = $this->cache_bust_mtime( $siteurl . current( $css ), $siteurl ); |
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} |
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} |
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|
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$handles = array_keys( $css ); |
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$css_tag = "<link rel='stylesheet' id='$media-css-$idx' href='$href' type='text/css' media='$media' />\n"; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet |
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/** |
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* Filters combined CSS tag. |
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* |
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* @hook powered_cache_fo_style_loader_tag |
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* |
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* @param {string} $css_tag CSS tag. |
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* @param {array} $handles The list of CSS handles. |
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* @param {string} $href CSS URL. |
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* @param {string} $media Media type. |
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* |
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* @return {string} New value. |
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* @since 2.0 |
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*/ |
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echo apply_filters( 'powered_cache_fo_style_loader_tag', $css_tag, $handles, $href, $media ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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array_map( array( $this, 'print_inline_style' ), array_keys( $css ) ); |
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} |
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} |
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|
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return $this->done; |
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} |
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|
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/** |
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* Bust cache |
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* |
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* @param string $url CSS URL |
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* @param string $siteurl Site URL |
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* |
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* @return string |
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*/ |
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public function cache_bust_mtime( $url, $siteurl ) { |
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if ( strpos( $url, '?m=' ) ) { |
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return $url; |
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} |
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|
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$parts = wp_parse_url( $url ); |
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if ( ! isset( $parts['path'] ) || empty( $parts['path'] ) ) { |
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return $url; |
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} |
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|
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$file = Helper::realpath( $url, $siteurl ); |
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|
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$mtime = false; |
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if ( file_exists( $file ) ) { |
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$mtime = filemtime( $file ); |
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} |
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|
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if ( ! $mtime ) { |
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return $url; |
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} |
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|
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if ( false === strpos( $url, '?' ) ) { |
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$q = ''; |
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} else { |
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list( $url, $q ) = explode( '?', $url, 2 ); |
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if ( strlen( $q ) ) { |
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$q = '&' . $q; |
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} |
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} |
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|
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return "$url?m={$mtime}g{$q}"; |
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} |
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|
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function __isset( $key ) { |
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return isset( $this->old_styles->$key ); |
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} |
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|
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/** |
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* @param $key |
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*/ |
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public function __unset( $key ) { |
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unset( $this->old_styles->$key ); |
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} |
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|
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/** |
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* @param $key |
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* |
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* @return mixed |
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*/ |
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public function &__get( $key ) { |
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return $this->old_styles->$key; |
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} |
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|
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/** |
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* @param $key |
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* @param $value |
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*/ |
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public function __set( $key, $value ) { |
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$this->old_styles->$key = $value; |
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} |
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} |
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|
