1018 lines
27 KiB
PHP
1018 lines
27 KiB
PHP
<?php
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namespace W3TC;
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// Define repeated regex to simplify changes
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define( 'MINIFY_AUTO_FILENAME_REGEX', '([a-zA-Z0-9-_]+)\\.(css|js)([?].*)?' );
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define( 'MINIFY_MANUAL_FILENAME_REGEX', '([a-f0-9]+)\\.(.+)\\.(include(\\-(footer|body))?)\\.[a-f0-9]+\\.(css|js)' );
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/**
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* class Minify_MinifiedFileRequestHandler
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*/
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class Minify_MinifiedFileRequestHandler {
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/**
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* Config
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*/
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var $_config = null;
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/**
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* Tracks if an error has occurred.
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*
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* @var bool
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*/
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var $_error_occurred = false;
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/**
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* PHP5 constructor
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*/
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function __construct() {
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$this->_config = Dispatcher::config();
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}
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/**
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* Runs minify
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*
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* @param string|null $file
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*
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* @return void
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*/
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function process( $file = NULL, $quiet = false ) {
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/**
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* Check for rewrite test request
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*/
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$rewrite_marker = 'rewrite_test.css';
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if ( substr( $file, strlen( $file ) - strlen( $rewrite_marker ) ) ==
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$rewrite_marker ) {
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echo 'Minify OK';
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exit();
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}
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$filelength_test_marker = 'XXX.css';
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if ( substr( $file, strlen( $file ) - strlen( $filelength_test_marker ) ) ==
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$filelength_test_marker ) {
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$cache = $this->_get_cache();
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header( 'Content-type: text/css' );
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if ( ! $cache->store( basename( $file ), array( 'content' => 'content ok' ) ) ) {
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echo 'error storing';
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} else {
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if ( ( function_exists( 'brotli_compress' ) &&
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$this->_config->get_boolean( 'browsercache.enabled' ) &&
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$this->_config->get_boolean( 'browsercache.cssjs.brotli' ) ) )
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if ( !$cache->store( basename( $file ) . '_br',
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array( 'content' => brotli_compress( 'content ok' ) ) ) ) {
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echo 'error storing';
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exit();
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}
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if ( ( function_exists( 'gzencode' ) &&
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$this->_config->get_boolean( 'browsercache.enabled' ) &&
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$this->_config->get_boolean( 'browsercache.cssjs.compression' ) ) )
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if ( !$cache->store( basename( $file ) . '_gzip',
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array( 'content' => gzencode( 'content ok' ) ) ) ) {
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echo 'error storing';
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exit();
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}
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$v = $cache->fetch( basename( $file ) );
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if ( $v['content'] == 'content ok' )
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echo 'content ok';
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else
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echo 'error storing';
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}
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exit();
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}
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// remove querystring
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if ( preg_match( '~(.+)(\?x[0-9]{5})$~', $file, $m ) )
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$file = $m[1];
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// remove blog_id
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$levels = '';
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if ( defined( 'W3TC_BLOG_LEVELS' ) ) {
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for ( $n = 0; $n < W3TC_BLOG_LEVELS; $n++ )
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$levels .= '[0-9]+\/';
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}
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if ( preg_match( '~^(' . $levels . '[0-9]+)\/(.+)$~', $file, $matches ) )
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$file = $matches[2];
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// normalize according to browsercache
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$file = Dispatcher::requested_minify_filename( $this->_config, $file );
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// parse file
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$hash = '';
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$matches = null;
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$location = '';
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$type = '';
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if ( preg_match( '~^' . MINIFY_AUTO_FILENAME_REGEX .'$~', $file, $matches ) ) {
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list( , $hash, $type ) = $matches;
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} elseif ( preg_match( '~^' . MINIFY_MANUAL_FILENAME_REGEX . '$~', $file, $matches ) ) {
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list( , $theme, $template, $location, , , $type ) = $matches;
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} else {
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return $this->finish_with_error( sprintf( 'Bad file param format: "%s"', $file ), $quiet, false );
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}
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/**
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* Set cache engine
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*/
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$cache = $this->_get_cache();
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\W3TCL\Minify\Minify::setCache( $cache );
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/**
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* Set cache ID
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*/
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$cache_id = $this->get_cache_id( $file );
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\W3TCL\Minify\Minify::setCacheId( $file );
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/**
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* Set logger
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*/
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\W3TCL\Minify\Minify_Logger::setLogger( array(
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$this,
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'debug_error' ) );
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/**
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* Set options
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*/
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$browsercache = $this->_config->get_boolean( 'browsercache.enabled' );
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$serve_options = array_merge( $this->_config->get_array( 'minify.options' ), array(
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'debug' => $this->_config->get_boolean( 'minify.debug' ),
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'maxAge' => $this->_config->get_integer( 'browsercache.cssjs.lifetime' ),
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'encodeOutput' => ( $browsercache &&
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!defined( 'W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF' ) &&
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!$quiet &&
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( $this->_config->get_boolean( 'browsercache.cssjs.compression' ) ||
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$this->_config->get_boolean( 'browsercache.cssjs.brotli' ) ) ),
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'bubbleCssImports' => ( $this->_config->get_string( 'minify.css.imports' ) == 'bubble' ),
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'processCssImports' => ( $this->_config->get_string( 'minify.css.imports' ) == 'process' ),
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'cacheHeaders' => array(
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'use_etag' => ( $browsercache && $this->_config->get_boolean( 'browsercache.cssjs.etag' ) ),
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'expires_enabled' => ( $browsercache && $this->_config->get_boolean( 'browsercache.cssjs.expires' ) ),
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'cacheheaders_enabled' => ( $browsercache && $this->_config->get_boolean( 'browsercache.cssjs.cache.control' ) ),
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'cacheheaders' => $this->_config->get_string( 'browsercache.cssjs.cache.policy' )
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),
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'disable_304' => $quiet, // when requested for service needs - need content instead of 304
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'quiet' => $quiet
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) );
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/**
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* Set sources
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*/
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if ( $hash ) {
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$_GET['f_array'] = $this->minify_filename_to_filenames_for_minification( $hash, $type );
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$_GET['ext'] = $type;
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} else {
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$_GET['g'] = $location;
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$serve_options['minApp']['groups'] = $this->get_groups( $theme, $template, $type );
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}
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/**
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* Set minifier
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*/
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$w3_minifier = Dispatcher::component( 'Minify_ContentMinifier' );
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if ( $type == 'js' ) {
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$minifier_type = 'application/x-javascript';
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switch ( true ) {
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case ( $hash && $this->_config->get_string( 'minify.js.method' ) == 'combine' ):
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case ( $location == 'include' && $this->_config->get_boolean( 'minify.js.combine.header' ) ):
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case ( $location == 'include-body' && $this->_config->get_boolean( 'minify.js.combine.body' ) ):
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case ( $location == 'include-footer' && $this->_config->get_boolean( 'minify.js.combine.footer' ) ):
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$engine = 'combinejs';
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break;
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default:
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$engine = $this->_config->get_string( 'minify.js.engine' );
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if ( !$w3_minifier->exists( $engine ) || !$w3_minifier->available( $engine ) ) {
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$engine = 'js';
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}
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break;
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}
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} elseif ( $type == 'css' ) {
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$minifier_type = 'text/css';
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if ( ( $hash || $location == 'include' ) && $this->_config->get_string( 'minify.css.method' ) == 'combine' ) {
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$engine = 'combinecss';
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} else {
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$engine = $this->_config->get_string( 'minify.css.engine' );
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if ( !$w3_minifier->exists( $engine ) || !$w3_minifier->available( $engine ) ) {
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$engine = 'css';
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}
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}
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}
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/**
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* Initialize minifier
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*/
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$w3_minifier->init( $engine );
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$serve_options['minifiers'][$minifier_type] = $w3_minifier->get_minifier( $engine );
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$serve_options['minifierOptions'][$minifier_type] = $w3_minifier->get_options( $engine );
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/**
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* Send X-Powered-By header
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*/
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if ( !$quiet && $browsercache && $this->_config->get_boolean( 'browsercache.cssjs.w3tc' ) ) {
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@header( 'X-Powered-By: ' . Util_Environment::w3tc_header() );
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}
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if ( empty( Util_Request::get( 'f_array' ) ) && empty( Util_Request::get_string( 'g' ) ) ) {
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return $this->finish_with_error( 'Nothing to minify', $quiet, false );
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}
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// Minify
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$serve_options = apply_filters(
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'w3tc_minify_file_handler_minify_options',
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$serve_options );
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$return = array();
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try {
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$return = \W3TCL\Minify\Minify::serve( 'MinApp', $serve_options );
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} catch ( \Exception $exception ) {
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return $this->finish_with_error( $exception->getMessage(), $quiet );
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}
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if ( !is_null( \W3TCL\Minify\Minify::$recoverableError ) )
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$this->_handle_error( \W3TCL\Minify\Minify::$recoverableError );
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$state = Dispatcher::config_state_master();
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if ( !$this->_error_occurred && $state->get_boolean( 'minify.show_note_minify_error' ) ) {
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$error_file = $state->get_string( 'minify.error.file' );
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if ( $error_file == $file ) {
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$state->set( 'minify.show_note_minify_error', false );
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$state->save();
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}
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}
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return $return;
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}
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public function w3tc_usage_statistics_of_request( $storage ) {
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$stats = \W3TCL\Minify\Minify::getUsageStatistics();
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if ( count( $stats ) > 0 ) {
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$storage->counter_add( 'minify_requests_total', 1 );
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if ( $stats['content_type'] == 'text/css' ) {
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$storage->counter_add( 'minify_original_length_css',
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(int)( $stats['content_original_length'] / 102.4 ) );
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$storage->counter_add( 'minify_output_length_css',
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(int)( $stats['content_output_length'] / 102.4 ) );
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} else {
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$storage->counter_add( 'minify_original_length_js',
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(int)( $stats['content_original_length'] / 102.4 ) );
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$storage->counter_add( 'minify_output_length_js',
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(int)( $stats['content_output_length'] / 102.4 ) );
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}
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}
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}
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/**
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* Returns size statistics about cache files
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*/
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public function get_stats_size( $timeout_time ) {
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$cache = $this->_get_cache();
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if ( method_exists( $cache, 'get_stats_size' ) )
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return $cache->get_stats_size( $timeout_time );
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return array();
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}
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/**
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* Flushes cache.
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*
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* @return bool
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*/
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public function flush( $extras = array() ) {
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$cache = $this->_get_cache();
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// Used to debug - which plugin calls flush all the time and breaks performance.
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if ( $this->_config->get_boolean( 'minify.debug' ) ) {
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Minify_Core::log( 'Minify flush called from' );
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Minify_Core::log( wp_json_encode( debug_backtrace() ) );
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}
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/*
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* Cleanup of map too often is risky since breaks all old minify urls.
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* Particularly minified urls in browsercached/cdn cached html becomes invalid.
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*/
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if ( isset( $extras['ui_action'] ) && 'flush_button' === $extras['ui_action'] ) {
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global $wpdb;
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$wpdb->query( "DELETE FROM $wpdb->options WHERE `option_name` = 'w3tc_minify' OR `option_name` LIKE 'w3tc_minify_%'" );
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}
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return $cache->flush();
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}
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/**
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* Returns custom data storage for minify file, based on url
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*
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* @param string $url
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* @return mixed
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*/
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function get_url_custom_data( $url ) {
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if ( preg_match( '~/' . MINIFY_AUTO_FILENAME_REGEX .'$~', $url, $matches ) ) {
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list( , $hash, $type ) = $matches;
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$key = $this->get_custom_data_key( $hash, $type );
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return $this->_cache_get( $key );
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}
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return null;
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}
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/**
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* Returns custom data storage for minify file
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*
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* @param string $file
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* @param mixed $data
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*/
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function set_file_custom_data( $file, $data ) {
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if ( preg_match( '~' . MINIFY_AUTO_FILENAME_REGEX .'$~', $file, $matches ) ) {
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list( , $hash, $type ) = $matches;
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$key = $this->get_custom_data_key( $hash, $type );
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$this->_cache_set( $key, $data );
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}
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}
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/**
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* Returns minify groups
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*
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* @param string $theme
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* @param string $template
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* @param string $type
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* @return array
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*/
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function get_groups( $theme, $template, $type ) {
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$result = array();
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switch ( $type ) {
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case 'css':
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$groups = $this->_config->get_array( 'minify.css.groups' );
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break;
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case 'js':
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$groups = $this->_config->get_array( 'minify.js.groups' );
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break;
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default:
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return $result;
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}
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if ( isset( $groups[$theme]['default'] ) ) {
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$locations = (array) $groups[$theme]['default'];
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} else {
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$locations = array();
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}
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if ( $template != 'default' && isset( $groups[$theme][$template] ) ) {
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$locations = array_merge_recursive( $locations, (array) $groups[$theme][$template] );
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}
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foreach ( $locations as $location => $config ) {
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if ( !empty( $config['files'] ) ) {
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foreach ( (array) $config['files'] as $url ) {
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if ( !Util_Environment::is_url( $url ) )
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$url = Util_Environment::home_domain_root_url() . '/' .
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ltrim( $url, '/' );
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$file = Util_Environment::url_to_docroot_filename( $url );
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if ( is_null( $file ) ) {
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// it's external url
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$precached_file = $this->_precache_file( $url, $type );
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if ( $precached_file ) {
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$result[$location][$url] = $precached_file;
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} else {
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Minify_Core::debug_error( sprintf( 'Unable to cache remote url: "%s"', $url ) );
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}
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} else {
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$path = Util_Environment::document_root() . '/' . $file;
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if ( file_exists( $path ) ) {
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$result[$location][$file] = '//' . $file;
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} else {
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Minify_Core::debug_error( sprintf( 'File "%s" doesn\'t exist', $path ) );
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}
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}
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}
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}
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}
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return $result;
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}
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/**
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* Returns minify cache ID
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*
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* @param string $file
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* @return string
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*/
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function get_cache_id( $file ) {
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return $file;
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}
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|
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/**
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* Returns array of group sources
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*
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* @param string $theme
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* @param string $template
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* @param string $location
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* @param string $type
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* @return array
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*/
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function get_sources_group( $theme, $template, $location, $type ) {
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$sources = array();
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$groups = $this->get_groups( $theme, $template, $type );
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if ( isset( $groups[$location] ) ) {
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$files = (array) $groups[$location];
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$document_root = Util_Environment::document_root();
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foreach ( $files as $file ) {
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if ( is_a( $file, '\W3TCL\Minify\Minify_Source' ) ) {
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$path = $file->filepath;
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} else {
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$path = rtrim( $document_root, '/' ) . '/' . ltrim( $file, '/' );
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}
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$sources[] = $path;
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}
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}
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return $sources;
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}
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|
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/**
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* Returns ID key for group
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*
|
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* @param unknown $theme
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* @param unknown $template
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* @param unknown $location
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* @param unknown $type
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* @return string
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*/
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function get_id_key_group( $theme, $template, $location, $type ) {
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return sprintf( '%s/%s.%s.%s.id', $theme, $template, $location, $type );
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}
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|
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/**
|
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* Returns id for group
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*
|
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* @param string $theme
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* @param string $template
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* @param string $location
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* @param string $type
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* @return integer
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*/
|
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function get_id_group( $theme, $template, $location, $type ) {
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$key = $this->get_id_key_group( $theme, $template, $location, $type );
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$id = $this->_cache_get( $key );
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if ( $id === false ) {
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$sources = $this->get_sources_group( $theme, $template, $location, $type );
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if ( count( $sources ) ) {
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$id = $this->_generate_id( $sources, $type );
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if ( $id ) {
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$this->_cache_set( $key, $id );
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}
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}
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}
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return $id;
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}
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|
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/**
|
|
* Returns custom files key
|
|
*
|
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* @param string $hash
|
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* @param string $type
|
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* @return string
|
|
*/
|
|
function get_custom_data_key( $hash, $type ) {
|
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return sprintf( '%s.%s.customdata', $hash, $type );
|
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}
|
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|
|
/**
|
|
* Returns custom files
|
|
*
|
|
* @param string $hash
|
|
* @param string $type
|
|
* @return array
|
|
*/
|
|
function minify_filename_to_filenames_for_minification( $hash, $type ) {
|
|
// if bad data passed as get parameter - it shouldn't fire internal errors
|
|
try {
|
|
$files = Minify_Core::minify_filename_to_urls_for_minification(
|
|
$hash, $type );
|
|
} catch ( \Exception $e ) {
|
|
$files = array();
|
|
}
|
|
|
|
$result = array();
|
|
if ( is_array( $files ) && count( $files ) > 0 ) {
|
|
foreach ( $files as $file ) {
|
|
$docroot_filename = Util_Environment::url_to_docroot_filename( $file );
|
|
|
|
if ( Util_Environment::is_url( $file ) && is_null( $docroot_filename ) ) {
|
|
// it's external url
|
|
$precached_file = $this->_precache_file( $file, $type );
|
|
|
|
if ( $precached_file ) {
|
|
$result[] = $precached_file;
|
|
} else {
|
|
Minify_Core::debug_error( sprintf( 'Unable to cache remote file: "%s"', $file ) );
|
|
}
|
|
} else {
|
|
$path = Util_Environment::docroot_to_full_filename( $docroot_filename );
|
|
|
|
if ( @file_exists( $path ) ) {
|
|
$result[] = $file;
|
|
} else {
|
|
Minify_Core::debug_error( sprintf( 'File "%s" doesn\'t exist', $file ) );
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
Minify_Core::debug_error( sprintf( 'Unable to fetch custom files list: "%s.%s"', $hash, $type ), false, 404 );
|
|
}
|
|
|
|
Minify_Core::log( implode("\n", $files ) );
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Sends error response
|
|
*
|
|
* @param string $error
|
|
* @param boolean $handle
|
|
* @param integer $status
|
|
* @return void
|
|
*/
|
|
function finish_with_error( $error, $quiet = false, $report_about_error = true ) {
|
|
$this->_error_occurred = true;
|
|
|
|
Minify_Core::debug_error( $error );
|
|
|
|
if ( $report_about_error ) {
|
|
$this->_handle_error( $error );
|
|
}
|
|
|
|
$message = '<h1>W3TC Minify Error</h1>';
|
|
|
|
if ( $this->_config->get_boolean( 'minify.debug' ) ) {
|
|
$message .= sprintf( '<p>%s.</p>', $error );
|
|
} else {
|
|
$message .= '<p>Enable debug mode to see error message.</p>';
|
|
}
|
|
|
|
if ( $quiet ) {
|
|
return array(
|
|
'content' => $message
|
|
);
|
|
}
|
|
|
|
if ( defined( 'W3TC_IN_MINIFY' ) ) {
|
|
status_header( 400 );
|
|
echo esc_html( $message );
|
|
die();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
public function debug_error( $error ) {
|
|
Minify_Core::debug_error( $error );
|
|
}
|
|
|
|
/**
|
|
* Pre-caches external file
|
|
*
|
|
* @param string $url
|
|
* @param string $type
|
|
* @return string
|
|
*/
|
|
function _precache_file( $url, $type ) {
|
|
$lifetime = $this->_config->get_integer( 'minify.lifetime' );
|
|
$cache_path = sprintf( '%s/minify_%s.%s', Util_Environment::cache_blog_dir( 'minify' ), md5( $url ), $type );
|
|
|
|
if ( !file_exists( $cache_path ) || @filemtime( $cache_path ) < ( time() - $lifetime ) ) {
|
|
if ( !@is_dir( dirname( $cache_path ) ) ) {
|
|
Util_File::mkdir_from_safe( dirname( $cache_path ), W3TC_CACHE_DIR );
|
|
}
|
|
|
|
// google-fonts (most used for external inclusion)
|
|
// doesnt return full content (unicode-range) for simple useragents
|
|
Util_Http::download( $url, $cache_path,
|
|
array( 'user-agent' =>
|
|
'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.92' ) );
|
|
}
|
|
|
|
return file_exists( $cache_path ) ? $this->_get_minify_source( $cache_path, $url ) : false;
|
|
}
|
|
|
|
/**
|
|
* Returns minify source
|
|
*
|
|
* @param unknown $file_path
|
|
* @param unknown $url
|
|
* @return Minify_Source
|
|
*/
|
|
function _get_minify_source( $file_path, $url ) {
|
|
return new \W3TCL\Minify\Minify_Source( array(
|
|
'filepath' => $file_path,
|
|
'minifyOptions' => array(
|
|
'prependRelativePath' => $url
|
|
)
|
|
) );
|
|
}
|
|
|
|
/**
|
|
* Returns minify cache object
|
|
*
|
|
* @return object
|
|
*/
|
|
function _get_cache() {
|
|
static $cache = null;
|
|
|
|
if ( is_null( $cache ) ) {
|
|
$inner_cache = null;
|
|
|
|
switch ( $this->_config->get_string( 'minify.engine' ) ) {
|
|
case 'memcached':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify',
|
|
'servers' => $this->_config->get_array( 'minify.memcached.servers' ),
|
|
'persistent' => $this->_config->get_boolean( 'minify.memcached.persistent' ),
|
|
'aws_autodiscovery' => $this->_config->get_boolean( 'minify.memcached.aws_autodiscovery' ),
|
|
'username' => $this->_config->get_string( 'minify.memcached.username' ),
|
|
'password' => $this->_config->get_string( 'minify.memcached.password' ),
|
|
'binary_protocol' => $this->_config->get_boolean( 'minify.memcached.binary_protocol' )
|
|
);
|
|
if ( class_exists( 'Memcached' ) ) {
|
|
$inner_cache = new Cache_Memcached( $config );
|
|
} elseif ( class_exists( 'Memcache' ) ) {
|
|
$inner_cache = new Cache_Memcache( $config );
|
|
}
|
|
break;
|
|
|
|
case 'redis':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify',
|
|
'servers' => $this->_config->get_array( 'minify.redis.servers' ),
|
|
'verify_tls_certificates' => $this->_config->get_boolean( 'minify.redis.verify_tls_certificates' ),
|
|
'persistent' => $this->_config->get_boolean( 'minify.redis.persistent' ),
|
|
'timeout' => $this->_config->get_integer( 'minify.redis.timeout' ),
|
|
'retry_interval' => $this->_config->get_integer( 'minify.redis.retry_interval' ),
|
|
'read_timeout' => $this->_config->get_integer( 'minify.redis.read_timeout' ),
|
|
'dbid' => $this->_config->get_integer( 'minify.redis.dbid' ),
|
|
'password' => $this->_config->get_string( 'minify.redis.password' )
|
|
);
|
|
$inner_cache = new Cache_Redis( $config );
|
|
|
|
break;
|
|
|
|
case 'apc':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify'
|
|
);
|
|
|
|
if ( function_exists( 'apcu_store' ) ) {
|
|
$inner_cache = new Cache_Apcu( $config );
|
|
} elseif ( function_exists( 'apc_store' ) ) {
|
|
$inner_cache = new Cache_Apc( $config );
|
|
}
|
|
break;
|
|
|
|
case 'eaccelerator':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify'
|
|
);
|
|
$inner_cache = new Cache_Eaccelerator( $config );
|
|
break;
|
|
|
|
case 'xcache':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify'
|
|
);
|
|
$inner_cache = new Cache_Xcache( $config );
|
|
break;
|
|
|
|
case 'wincache':
|
|
$config = array(
|
|
'blog_id' => Util_Environment::blog_id(),
|
|
'instance_id' => Util_Environment::instance_id(),
|
|
'host' => Util_Environment::host(),
|
|
'module' => 'minify'
|
|
);
|
|
$inner_cache = new Cache_Wincache( $config );
|
|
break;
|
|
}
|
|
|
|
if ( !is_null( $inner_cache ) ) {
|
|
$cache = new \W3TCL\Minify\Minify_Cache_W3TCDerived( $inner_cache );
|
|
} else {
|
|
// case 'file' or fallback
|
|
|
|
$cache = new \W3TCL\Minify\Minify_Cache_File(
|
|
Util_Environment::cache_blog_minify_dir(),
|
|
array(
|
|
'.htaccess',
|
|
'index.html',
|
|
'*_old'
|
|
),
|
|
$this->_config->get_boolean( 'minify.file.locking' ),
|
|
$this->_config->get_integer( 'timelimit.cache_flush' ),
|
|
( Util_Environment::blog_id() == 0 ? W3TC_CACHE_MINIFY_DIR : null )
|
|
);
|
|
}
|
|
}
|
|
|
|
return $cache;
|
|
}
|
|
|
|
/**
|
|
* Handle minify error
|
|
*
|
|
* @param string $error
|
|
* @return void
|
|
*/
|
|
function _handle_error( $error ) {
|
|
$notification = $this->_config->get_string( 'minify.error.notification' );
|
|
|
|
if ( $notification ) {
|
|
$file = Util_Request::get_string( 'file' );
|
|
$state = Dispatcher::config_state_master();
|
|
|
|
if ( $file ) {
|
|
$state->set( 'minify.error.file', $file );
|
|
}
|
|
|
|
if ( stristr( $notification, 'admin' ) !== false ) {
|
|
$state->set( 'minify.error.last', $error );
|
|
$state->set( 'minify.show_note_minify_error', true );
|
|
}
|
|
|
|
if ( stristr( $notification, 'email' ) !== false ) {
|
|
$last = $state->get_integer( 'minify.error.notification.last' );
|
|
|
|
/**
|
|
* Prevent email flood: send email every 5 min
|
|
*/
|
|
if ( ( time() - $last ) > 300 ) {
|
|
$state->set( 'minify.error.notification.last', time() );
|
|
$this->_send_notification();
|
|
}
|
|
}
|
|
|
|
$state->save();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send E-mail notification when error occurred
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function _send_notification() {
|
|
$from_email = 'wordpress@' . Util_Environment::host();
|
|
$from_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
|
|
$to_name = $to_email = get_option( 'admin_email' );
|
|
$body = @file_get_contents( W3TC_INC_DIR . '/email/minify_error_notification.php' );
|
|
|
|
$headers = array(
|
|
sprintf( 'From: "%s" <%s>', addslashes( $from_name ), $from_email ),
|
|
sprintf( 'Reply-To: "%s" <%s>', addslashes( $to_name ), $to_email ),
|
|
'Content-Type: text/html; charset=utf-8'
|
|
);
|
|
|
|
@set_time_limit( $this->_config->get_integer( 'timelimit.email_send' ) );
|
|
|
|
$result = @wp_mail( $to_email, 'W3 Total Cache Error Notification', $body, implode( "\n", $headers ) );
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Generates file ID
|
|
*
|
|
* @param array $sources
|
|
* @param string $type
|
|
* @return string
|
|
*/
|
|
function _generate_id( $sources, $type ) {
|
|
$values =array();
|
|
foreach ( $sources as $source )
|
|
if ( is_string( $source ) )
|
|
$values[] = $source;
|
|
else
|
|
$values[] = $source->filepath;
|
|
foreach ( $sources as $source ) {
|
|
if ( is_string( $source ) && file_exists( $source ) ) {
|
|
$data = @file_get_contents( $source );
|
|
|
|
if ( $data !== false ) {
|
|
$values[] = md5( $data );
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
$headers = @get_headers( $source->minifyOptions['prependRelativePath'] );
|
|
if ( strpos( $headers[0], '200' ) !== false ) {
|
|
$segments = explode( '.', $source->minifyOptions['prependRelativePath'] );
|
|
$ext = strtolower( array_pop( $segments ) );
|
|
$pc_source = $this->_precache_file( $source->minifyOptions['prependRelativePath'], $ext );
|
|
$data = @file_get_contents( $pc_source->filepath );
|
|
|
|
if ( $data !== false ) {
|
|
$values[] = md5( $data );
|
|
} else {
|
|
return false;
|
|
}
|
|
}else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
$keys = array(
|
|
'minify.debug',
|
|
'minify.engine',
|
|
'minify.options',
|
|
'minify.symlinks',
|
|
);
|
|
|
|
if ( $type == 'js' ) {
|
|
$engine = $this->_config->get_string( 'minify.js.engine' );
|
|
|
|
if ( $this->_config->get_boolean( 'minify.auto' ) ) {
|
|
$keys[] = 'minify.js.method';
|
|
} else {
|
|
array_merge(
|
|
$keys,
|
|
array(
|
|
'minify.js.combine.header',
|
|
'minify.js.combine.body',
|
|
'minify.js.combine.footer',
|
|
)
|
|
);
|
|
}
|
|
|
|
switch ( $engine ) {
|
|
case 'js':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.js.strip.comments',
|
|
'minify.js.strip.crlf',
|
|
) );
|
|
break;
|
|
|
|
case 'yuijs':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.yuijs.options.line-break',
|
|
'minify.yuijs.options.nomunge',
|
|
'minify.yuijs.options.preserve-semi',
|
|
'minify.yuijs.options.disable-optimizations',
|
|
) );
|
|
break;
|
|
|
|
case 'ccjs':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.ccjs.options.compilation_level',
|
|
'minify.ccjs.options.formatting',
|
|
) );
|
|
break;
|
|
}
|
|
} elseif ( $type == 'css' ) {
|
|
$engine = $this->_config->get_string( 'minify.css.engine' );
|
|
$keys[] = 'minify.css.method';
|
|
|
|
switch ( $engine ) {
|
|
case 'css':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.css.strip.comments',
|
|
'minify.css.strip.crlf',
|
|
'minify.css.imports',
|
|
) );
|
|
break;
|
|
|
|
case 'yuicss':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.yuicss.options.line-break',
|
|
) );
|
|
break;
|
|
|
|
case 'csstidy':
|
|
$keys = array_merge( $keys, array(
|
|
'minify.csstidy.options.remove_bslash',
|
|
'minify.csstidy.options.compress_colors',
|
|
'minify.csstidy.options.compress_font-weight',
|
|
'minify.csstidy.options.lowercase_s',
|
|
'minify.csstidy.options.optimise_shorthands',
|
|
'minify.csstidy.options.remove_last_;',
|
|
'minify.csstidy.options.remove_space_before_important',
|
|
'minify.csstidy.options.case_properties',
|
|
'minify.csstidy.options.sort_properties',
|
|
'minify.csstidy.options.sort_selectors',
|
|
'minify.csstidy.options.merge_selectors',
|
|
'minify.csstidy.options.discard_invalid_selectors',
|
|
'minify.csstidy.options.discard_invalid_properties',
|
|
'minify.csstidy.options.css_level',
|
|
'minify.csstidy.options.preserve_css',
|
|
'minify.csstidy.options.timestamp',
|
|
'minify.csstidy.options.template',
|
|
) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
foreach ( $keys as $key ) {
|
|
$values[] = $this->_config->get( $key );
|
|
}
|
|
|
|
$id = substr( md5( implode( '', $this->_flatten_array( $values ) ) ), 0, 6 );
|
|
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* Takes a multidimensional array and makes it singledimensional
|
|
*
|
|
* @param unknown $values
|
|
* @return array
|
|
*/
|
|
private function _flatten_array( $values ) {
|
|
$flatten = array();
|
|
|
|
foreach ( $values as $key => $value ) {
|
|
if ( is_array( $value ) )
|
|
$flatten = array_merge( $flatten, $this->_flatten_array( $value ) );
|
|
else
|
|
$flatten[$key] = $value;
|
|
}
|
|
return $flatten;
|
|
}
|
|
|
|
/**
|
|
* Returns cache data
|
|
*
|
|
* @param string $key
|
|
* @return bool|array
|
|
*/
|
|
function _cache_get( $key ) {
|
|
$cache = $this->_get_cache();
|
|
|
|
$data = $cache->fetch( $key );
|
|
|
|
if ( isset( $data['content'] ) ) {
|
|
$value = @unserialize( $data['content'] );
|
|
|
|
return $value;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Sets cache date
|
|
*
|
|
* @param string $key
|
|
* @param string $value
|
|
* @return boolean
|
|
*/
|
|
function _cache_set( $key, $value ) {
|
|
$cache = $this->_get_cache();
|
|
|
|
return $cache->store( $key, array( 'content' => serialize( $value ) ) );
|
|
}
|
|
}
|