2 lines
5.7 KiB
PHP
2 lines
5.7 KiB
PHP
<?php
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class CSSProcessor extends WP2Static { public function __construct() { $this->loadSettings( array( 'crawling', 'wpenv', 'processing', 'advanced', ) ); } public function processCSS( $css_document, $page_url ) { if ( $css_document == '' ) { return false; } $path = dirname( __FILE__ ) . '/../CSSParser/'; require_once $path . 'Parser.php'; require_once $path . 'Settings.php'; require_once $path . 'Renderable.php'; require_once $path . 'OutputFormat.php'; require_once $path . 'Comment/Comment.php'; require_once $path . 'Comment/Commentable.php'; require_once $path . 'Parsing/SourceException.php'; require_once $path . 'Parsing/OutputException.php'; require_once $path . 'Parsing/UnexpectedTokenException.php'; require_once $path . 'Property/AtRule.php'; require_once $path . 'Property/Charset.php'; require_once $path . 'Property/CSSNamespace.php'; require_once $path . 'Property/Import.php'; require_once $path . 'Property/Selector.php'; require_once $path . 'RuleSet/RuleSet.php'; require_once $path . 'Rule/Rule.php'; require_once $path . 'RuleSet/AtRuleSet.php'; require_once $path . 'RuleSet/DeclarationBlock.php'; require_once $path . 'Value/Value.php'; require_once $path . 'Value/ValueList.php'; require_once $path . 'Value/RuleValueList.php'; require_once $path . 'Value/CSSFunction.php'; require_once $path . 'Value/CalcFunction.php'; require_once $path . 'Value/CalcRuleValueList.php'; require_once $path . 'Value/PrimitiveValue.php'; require_once $path . 'Value/Color.php'; require_once $path . 'Value/CSSString.php'; require_once $path . 'Value/LineName.php'; require_once $path . 'Value/Size.php'; require_once $path . 'Value/URL.php'; require_once $path . 'CSSList/CSSList.php'; require_once $path . 'CSSList/CSSBlockList.php'; require_once $path . 'CSSList/AtRuleBlockList.php'; require_once $path . 'CSSList/Document.php'; require_once $path . 'CSSList/KeyFrame.php'; $protocol = $this->getTargetSiteProtocol( $this->settings['baseUrl'] ); $this->placeholder_url = $protocol . 'PLACEHOLDER.wpsho/'; $this->raw_css = $css_document; $this->rewriteSiteURLsToPlaceholder(); $css_parser = new Sabberworm\CSS\Parser( $this->raw_css ); $this->css_doc = $css_parser->parse(); require_once dirname( __FILE__ ) . '/../URL2/URL2.php'; $this->page_url = new Net_URL2( $page_url ); $this->detectIfURLsShouldBeHarvested(); $this->discovered_urls = array(); foreach ( $this->css_doc->getAllValues() as $node_value ) { if ( $node_value instanceof Sabberworm\CSS\Value\URL ) { $original_link = $node_value->getURL(); $original_link = trim( trim( $original_link, "'" ), '"' ); $inline_img = strpos( $original_link, 'data:image' ); if ( $inline_img !== false ) { continue; } $this->addDiscoveredURL( $original_link ); if ( $this->isInternalLink( $original_link ) ) { if ( ! isset( $this->settings['rewrite_rules'] ) ) { $this->settings['rewrite_rules'] = ''; } $this->settings['rewrite_rules'] .= PHP_EOL . $this->placeholder_url . ',' . $this->settings['baseUrl']; $rewrite_from = array(); $rewrite_to = array(); $rewrite_rules = explode( "\n", str_replace( "\r", '', $this->settings['rewrite_rules'] ) ); foreach ( $rewrite_rules as $rewrite_rule_line ) { if ( $rewrite_rule_line ) { list($from, $to) = explode( ',', $rewrite_rule_line ); $rewrite_from[] = $from; $rewrite_to[] = $to; } } $rewritten_url = str_replace( $rewrite_from, $rewrite_to, $original_link ); $rewritten_url = new Sabberworm\CSS\Value\CSSString( $rewritten_url ); $node_value->setURL( $rewritten_url ); } } } $this->writeDiscoveredURLs(); return true; } public function isInternalLink( $link, $domain = false ) { if ( ! $domain ) { $domain = $this->placeholder_url; } $is_internal_link = parse_url( $link, PHP_URL_HOST ) === parse_url( $domain, PHP_URL_HOST ); return $is_internal_link; } public function getCSS() { return $this->css_doc->render(); } public function rewriteSiteURLsToPlaceholder() { $rewritten_source = str_replace( array( $this->settings['wp_site_url'], addcslashes( $this->settings['wp_site_url'], '/' ), ), array( $this->placeholder_url, addcslashes( $this->placeholder_url, '/' ), ), $this->raw_css ); $this->raw_css = $rewritten_source; } public function detectIfURLsShouldBeHarvested() { if ( defined( 'WP_CLI' ) ) { if ( defined( 'CRAWLING_DISCOVERED' ) ) { return; } else { $this->harvest_new_urls = true; } } else { $this->harvest_new_urls = ( $_POST['ajax_action'] === 'crawl_site' ); } } public function addDiscoveredURL( $url ) { $url = strtok( $url, '#' ); $url = strtok( $url, '?' ); if ( trim( $url ) === '' ) { return; } if ( isset( $this->harvest_new_urls ) ) { if ( ! $this->isValidURL( $url ) ) { return; } if ( $this->isInternalLink( $url ) ) { $discovered_url_without_site_url = str_replace( rtrim( $this->placeholder_url, '/' ), '', $url ); $this->discovered_urls[] = $discovered_url_without_site_url; } } } public function writeDiscoveredURLs() { if ( isset( $_POST['ajax_action'] ) && $_POST['ajax_action'] === 'crawl_again' ) { return; } if ( defined( 'WP_CLI' ) ) { if ( defined( 'CRAWLING_DISCOVERED' ) ) { return; } } file_put_contents( $this->settings['wp_uploads_path'] . '/WP-STATIC-DISCOVERED-URLS.txt', PHP_EOL . implode( PHP_EOL, array_unique( $this->discovered_urls ) ), FILE_APPEND | LOCK_EX ); chmod( $this->settings['wp_uploads_path'] . '/WP-STATIC-DISCOVERED-URLS.txt', 0664 ); } public function isValidURL( $url ) { $url = trim( $url ); if ( $url == '' ) { return false; } if ( strpos( $url, '.php' ) !== false ) { return false; } if ( strpos( $url, ' ' ) !== false ) { return false; } if ( $url[0] == '#' ) { return false; } return true; } public function getTargetSiteProtocol( $url ) { $protocol = '//'; if ( strpos( $url, 'https://' ) !== false ) { $protocol = 'https://'; } elseif ( strpos( $url, 'http://' ) !== false ) { $protocol = 'http://'; } else { $protocol = '//'; } return $protocol; } }
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