| 1 |
<?php |
| 2 |
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
| 3 |
|
| 4 |
abstract class autoptimizeBase { |
| 5 |
protected $content = ''; |
| 6 |
protected $tagWarning = false; |
| 7 |
|
| 8 |
public function __construct($content) { |
| 9 |
$this->content = $content; |
| 10 |
} |
| 11 |
|
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//Reads the page and collects tags |
| 13 |
abstract public function read($justhead); |
| 14 |
|
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//Joins and optimizes collected things |
| 16 |
abstract public function minify(); |
| 17 |
|
| 18 |
//Caches the things |
| 19 |
abstract public function cache(); |
| 20 |
|
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//Returns the content |
| 22 |
abstract public function getcontent(); |
| 23 |
|
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//Converts an URL to a full path |
| 25 |
protected function getpath($url) { |
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$url=apply_filters( 'autoptimize_filter_cssjs_alter_url', $url); |
| 27 |
|
| 28 |
if (strpos($url,'%')!==false) { |
| 29 |
$url=urldecode($url); |
| 30 |
} |
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|
| 32 |
$siteHost=parse_url(AUTOPTIMIZE_WP_SITE_URL,PHP_URL_HOST); |
| 33 |
$contentHost=parse_url(AUTOPTIMIZE_WP_ROOT_URL,PHP_URL_HOST); |
| 34 |
|
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// normalize |
| 36 |
if (strpos($url,'//')===0) { |
| 37 |
if (is_ssl()) { |
| 38 |
$url = "https:".$url; |
| 39 |
} else { |
| 40 |
$url = "http:".$url; |
| 41 |
} |
| 42 |
} else if ((strpos($url,'//')===false) && (strpos($url,$siteHost)===false)) { |
| 43 |
if (AUTOPTIMIZE_WP_SITE_URL === $siteHost) { |
| 44 |
$url = AUTOPTIMIZE_WP_SITE_URL.$url; |
| 45 |
} else { |
| 46 |
$subdir_levels=substr_count(preg_replace("/https?:\/\//","",AUTOPTIMIZE_WP_SITE_URL),"/"); |
| 47 |
$url = AUTOPTIMIZE_WP_SITE_URL.str_repeat("/..",$subdir_levels).$url; |
| 48 |
} |
| 49 |
} |
| 50 |
|
| 51 |
if ($siteHost !== $contentHost) { |
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$url=str_replace(AUTOPTIMIZE_WP_CONTENT_URL,AUTOPTIMIZE_WP_SITE_URL.AUTOPTIMIZE_WP_CONTENT_NAME,$url); |
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} |
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|
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// first check; hostname wp site should be hostname of url |
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$thisHost=@parse_url($url,PHP_URL_HOST); |
| 57 |
if ($thisHost !== $siteHost) { |
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/* |
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* first try to get all domains from WPML (if available) |
| 60 |
* then explicitely declare $this->cdn_url as OK as well |
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* then apply own filter autoptimize_filter_cssjs_multidomain takes an array of hostnames |
| 62 |
* each item in that array will be considered part of the same WP multisite installation |
| 63 |
*/ |
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$multidomains = array(); |
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|
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$multidomainsWPML = apply_filters('wpml_setting', array(), 'language_domains'); |
| 67 |
if (!empty($multidomainsWPML)) { |
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$multidomains = array_map(array($this,"ao_getDomain"),$multidomainsWPML); |
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} |
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|
| 71 |
if (!empty($this->cdn_url)) { |
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$multidomains[]=parse_url($this->cdn_url,PHP_URL_HOST); |
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} |
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|
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$multidomains = apply_filters('autoptimize_filter_cssjs_multidomain', $multidomains); |
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|
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if (!empty($multidomains)) { |
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if (in_array($thisHost,$multidomains)) { |
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$url=str_replace($thisHost, parse_url(AUTOPTIMIZE_WP_SITE_URL,PHP_URL_HOST), $url); |
| 80 |
} else { |
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return false; |
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} |
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} else { |
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return false; |
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} |
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} |
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|
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// try to remove "wp root url" from url while not minding http<>https |
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$tmp_ao_root = preg_replace('/https?:/','',AUTOPTIMIZE_WP_ROOT_URL); |
| 90 |
if ($siteHost !== $contentHost) { |
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// as we replaced the content-domain with the site-domain, we should match against that |
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$tmp_ao_root = preg_replace('/https?:/','',AUTOPTIMIZE_WP_SITE_URL); |
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} |
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$tmp_url = preg_replace('/https?:/','',$url); |
| 95 |
$path = str_replace($tmp_ao_root,'',$tmp_url); |
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|
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// if path starts with :// or //, this is not a URL in the WP context and we have to assume we can't aggregate |
| 98 |
if (preg_match('#^:?//#',$path)) { |
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/** External script/css (adsense, etc) */ |
| 100 |
return false; |
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} |
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|
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// prepend with WP_ROOT_DIR to have full path to file |
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$path = str_replace('//','/',WP_ROOT_DIR.$path); |
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|
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// final check: does file exist and is it readable |
| 107 |
if (file_exists($path) && is_file($path) && is_readable($path)) { |
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return $path; |
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} else { |
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return false; |
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} |
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} |
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|
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// needed for WPML-filter |
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protected function ao_getDomain($in) { |
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// make sure the url starts with something vaguely resembling a protocol |
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if ((strpos($in,"http")!==0) && (strpos($in,"//")!==0)) { |
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$in="http://".$in; |
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} |
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|
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// do the actual parse_url |
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$out = parse_url($in,PHP_URL_HOST); |
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|
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// fallback if parse_url does not understand the url is in fact a url |
| 125 |
if (empty($out)) $out=$in; |
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|
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return $out; |
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} |
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|
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|
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// logger |
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protected function ao_logger($logmsg,$appendHTML=true) { |
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if ($appendHTML) { |
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$logmsg="<!--noptimize--><!-- ".$logmsg." --><!--/noptimize-->"; |
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$this->content.=$logmsg; |
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} else { |
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error_log("Autoptimize: ".$logmsg); |
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} |
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} |
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|
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// hide everything between noptimize-comment tags |
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protected function hide_noptimize($noptimize_in) { |
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if ( preg_match( '/<!--\s?noptimize\s?-->/', $noptimize_in ) ) { |
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$noptimize_out = preg_replace_callback( |
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'#<!--\s?noptimize\s?-->.*?<!--\s?/\s?noptimize\s?-->#is', |
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create_function( |
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'$matches', |
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'return "%%NOPTIMIZE".AUTOPTIMIZE_HASH."%%".base64_encode($matches[0])."%%NOPTIMIZE%%";' |
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), |
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$noptimize_in |
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); |
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} else { |
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$noptimize_out = $noptimize_in; |
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} |
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return $noptimize_out; |
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} |
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|
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// unhide noptimize-tags |
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protected function restore_noptimize($noptimize_in) { |
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if ( strpos( $noptimize_in, '%%NOPTIMIZE%%' ) !== false ) { |
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$noptimize_out = preg_replace_callback( |
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'#%%NOPTIMIZE'.AUTOPTIMIZE_HASH.'%%(.*?)%%NOPTIMIZE%%#is', |
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create_function( |
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'$matches', |
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'return base64_decode($matches[1]);' |
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), |
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$noptimize_in |
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); |
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} else { |
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$noptimize_out = $noptimize_in; |
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} |
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return $noptimize_out; |
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} |
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|
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protected function hide_iehacks($iehacks_in) { |
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if ( strpos( $iehacks_in, '<!--[if' ) !== false ) { |
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$iehacks_out = preg_replace_callback( |
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'#<!--\[if.*?\[endif\]-->#is', |
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create_function( |
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'$matches', |
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'return "%%IEHACK".AUTOPTIMIZE_HASH."%%".base64_encode($matches[0])."%%IEHACK%%";' |
| 182 |
), |
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$iehacks_in |
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); |
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} else { |
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$iehacks_out = $iehacks_in; |
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} |
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return $iehacks_out; |
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} |
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|
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protected function restore_iehacks($iehacks_in) { |
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if ( strpos( $iehacks_in, '%%IEHACK%%' ) !== false ) { |
| 193 |
$iehacks_out = preg_replace_callback( |
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'#%%IEHACK'.AUTOPTIMIZE_HASH.'%%(.*?)%%IEHACK%%#is', |
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create_function( |
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'$matches', |
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'return base64_decode($matches[1]);' |
| 198 |
), |
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$iehacks_in |
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); |
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} else { |
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$iehacks_out=$iehacks_in; |
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} |
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return $iehacks_out; |
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} |
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|
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protected function hide_comments($comments_in) { |
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if ( strpos( $comments_in, '<!--' ) !== false ) { |
| 209 |
$comments_out = preg_replace_callback( |
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'#<!--.*?-->#is', |
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create_function( |
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'$matches', |
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'return "%%COMMENTS".AUTOPTIMIZE_HASH."%%".base64_encode($matches[0])."%%COMMENTS%%";' |
| 214 |
), |
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$comments_in |
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); |
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} else { |
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$comments_out = $comments_in; |
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} |
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return $comments_out; |
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} |
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|
| 223 |
protected function restore_comments($comments_in) { |
| 224 |
if ( strpos( $comments_in, '%%COMMENTS%%' ) !== false ) { |
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$comments_out = preg_replace_callback( |
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'#%%COMMENTS'.AUTOPTIMIZE_HASH.'%%(.*?)%%COMMENTS%%#is', |
| 227 |
create_function( |
| 228 |
'$matches', |
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'return base64_decode($matches[1]);' |
| 230 |
), |
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$comments_in |
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); |
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} else { |
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$comments_out=$comments_in; |
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} |
| 236 |
return $comments_out; |
| 237 |
} |
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|
| 239 |
protected function url_replace_cdn( $url ) { |
| 240 |
// API filter to change base CDN URL |
| 241 |
$cdn_url = apply_filters( 'autoptimize_filter_base_cdnurl', $this->cdn_url ); |
| 242 |
|
| 243 |
if ( !empty($cdn_url) ) { |
| 244 |
// prepend domain-less absolute URL's |
| 245 |
if ( ( substr( $url, 0, 1 ) === '/' ) && ( substr( $url, 1, 1 ) !== '/' ) ) { |
| 246 |
$url = rtrim( $cdn_url, '/' ) . $url; |
| 247 |
} else { |
| 248 |
// get wordpress base URL |
| 249 |
$WPSiteBreakdown = parse_url( AUTOPTIMIZE_WP_SITE_URL ); |
| 250 |
$WPBaseUrl = $WPSiteBreakdown['scheme'] . '://' . $WPSiteBreakdown['host']; |
| 251 |
if ( ! empty( $WPSiteBreakdown['port'] ) ) { |
| 252 |
$WPBaseUrl .= ":" . $WPSiteBreakdown['port']; |
| 253 |
} |
| 254 |
// replace full url's with scheme |
| 255 |
$tmp_url = str_replace( $WPBaseUrl, rtrim( $cdn_url, '/' ), $url ); |
| 256 |
if ( $tmp_url === $url ) { |
| 257 |
// last attempt; replace scheme-less URL's |
| 258 |
$url = str_replace( preg_replace( '/https?:/', '', $WPBaseUrl ), rtrim( $cdn_url, '/' ), $url ); |
| 259 |
} else { |
| 260 |
$url = $tmp_url; |
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} |
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} |
| 263 |
} |
| 264 |
|
| 265 |
// allow API filter to alter URL after CDN replacement |
| 266 |
$url = apply_filters( 'autoptimize_filter_base_replace_cdn', $url ); |
| 267 |
return $url; |
| 268 |
} |
| 269 |
|
| 270 |
protected function inject_in_html($payload,$replaceTag) { |
| 271 |
if (strpos($this->content,$replaceTag[0])!== false) { |
| 272 |
if ($replaceTag[1]==="after") { |
| 273 |
$replaceBlock=$replaceTag[0].$payload; |
| 274 |
} else if ($replaceTag[1]==="replace"){ |
| 275 |
$replaceBlock=$payload; |
| 276 |
} else { |
| 277 |
$replaceBlock=$payload.$replaceTag[0]; |
| 278 |
} |
| 279 |
$this->content = substr_replace($this->content,$replaceBlock,strpos($this->content,$replaceTag[0]),strlen($replaceTag[0])); |
| 280 |
} else { |
| 281 |
$this->content .= $payload; |
| 282 |
if (!$this->tagWarning) { |
| 283 |
$this->content .= "<!--noptimize--><!-- Autoptimize found a problem with the HTML in your Theme, tag \"".str_replace(array("<",">"),"",$replaceTag[0])."\" missing --><!--/noptimize-->"; |
| 284 |
$this->tagWarning=true; |
| 285 |
} |
| 286 |
} |
| 287 |
} |
| 288 |
|
| 289 |
protected function isremovable($tag, $removables) { |
| 290 |
foreach ($removables as $match) { |
| 291 |
if (strpos($tag,$match)!==false) { |
| 292 |
return true; |
| 293 |
} |
| 294 |
} |
| 295 |
return false; |
| 296 |
} |
| 297 |
|
| 298 |
// inject already minified code in optimized JS/CSS |
| 299 |
protected function inject_minified($in) { |
| 300 |
if ( strpos( $in, '%%INJECTLATER%%' ) !== false ) { |
| 301 |
$out = preg_replace_callback( |
| 302 |
'#\/\*\!%%INJECTLATER'.AUTOPTIMIZE_HASH.'%%(.*?)%%INJECTLATER%%\*\/#is', |
| 303 |
create_function( |
| 304 |
'$matches', |
| 305 |
'$filepath=base64_decode(strtok($matches[1],"|")); |
| 306 |
$filecontent=file_get_contents($filepath); |
| 307 |
|
| 308 |
// remove BOM |
| 309 |
$filecontent = preg_replace("#\x{EF}\x{BB}\x{BF}#","",$filecontent); |
| 310 |
|
| 311 |
// remove comments and blank lines |
| 312 |
if (substr($filepath,-3,3)===".js") { |
| 313 |
$filecontent=preg_replace("#^\s*\/\/.*$#Um","",$filecontent); |
| 314 |
} |
| 315 |
|
| 316 |
$filecontent=preg_replace("#^\s*\/\*[^!].*\*\/\s?#Um","",$filecontent); |
| 317 |
$filecontent=preg_replace("#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#", "\n", $filecontent); |
| 318 |
|
| 319 |
// differentiate between JS, CSS and other files |
| 320 |
if (substr($filepath,-3,3)===".js") { |
| 321 |
if ((substr($filecontent,-1,1)!==";")&&(substr($filecontent,-1,1)!=="}")) { |
| 322 |
$filecontent.=";"; |
| 323 |
} |
| 324 |
|
| 325 |
if (get_option("autoptimize_js_trycatch")==="on") { |
| 326 |
$filecontent="try{".$filecontent."}catch(e){}"; |
| 327 |
} |
| 328 |
} else if ((substr($filepath,-4,4)===".css")) { |
| 329 |
$filecontent=autoptimizeStyles::fixurls($filepath,$filecontent); |
| 330 |
} else { |
| 331 |
$filecontent=""; |
| 332 |
} |
| 333 |
|
| 334 |
// return |
| 335 |
return "\n".$filecontent;' |
| 336 |
), |
| 337 |
$in |
| 338 |
); |
| 339 |
} else { |
| 340 |
$out = $in; |
| 341 |
} |
| 342 |
return $out; |
| 343 |
} |
| 344 |
|
| 345 |
protected function minify_single($pathIn) { |
| 346 |
// determine JS or CSS and set var (also mimetype), return false if neither |
| 347 |
if ( $this->str_ends_in($pathIn,".js") === true ) { |
| 348 |
$codeType="js"; |
| 349 |
$codeMime="text/javascript"; |
| 350 |
} else if ( $this->str_ends_in($pathIn,".css") === true ) { |
| 351 |
$codeType="css"; |
| 352 |
$codeMime="text/css"; |
| 353 |
} else { |
| 354 |
return false; |
| 355 |
} |
| 356 |
|
| 357 |
// if min.js or min.css return false |
| 358 |
if (( $this->str_ends_in($pathIn,"-min.".$codeType) === true ) || ( $this->str_ends_in($pathIn,".min.".$codeType) === true ) || ( $this->str_ends_in($pathIn,"js/jquery/jquery.js") === true ) ) { |
| 359 |
return false; |
| 360 |
} |
| 361 |
|
| 362 |
// read file, return false if empty |
| 363 |
$_toMinify = file_get_contents($pathIn); |
| 364 |
if ( empty($_toMinify) ) return false; |
| 365 |
|
| 366 |
// check cache |
| 367 |
$_md5hash = "single_".md5($_toMinify); |
| 368 |
$_cache = new autoptimizeCache($_md5hash,$codeType); |
| 369 |
if ($_cache->check() ) { |
| 370 |
$_CachedMinifiedUrl = AUTOPTIMIZE_CACHE_URL.$_cache->getname(); |
| 371 |
} else { |
| 372 |
// if not in cache first minify |
| 373 |
$_Minified = $_toMinify; |
| 374 |
if ($codeType === "js") { |
| 375 |
if (class_exists('JSMin') && apply_filters( 'autoptimize_js_do_minify' , true)) { |
| 376 |
if (@is_callable(array("JSMin","minify"))) { |
| 377 |
$tmp_code = trim(JSMin::minify($_toMinify)); |
| 378 |
} |
| 379 |
} |
| 380 |
} else if ($codeType === "css") { |
| 381 |
if (class_exists('Minify_CSS_Compressor')) { |
| 382 |
$tmp_code = trim(Minify_CSS_Compressor::process($_toMinify)); |
| 383 |
} else if(class_exists('CSSmin')) { |
| 384 |
$cssmin = new CSSmin(); |
| 385 |
if (method_exists($cssmin,"run")) { |
| 386 |
$tmp_code = trim($cssmin->run($_toMinify)); |
| 387 |
} elseif (@is_callable(array($cssmin,"minify"))) { |
| 388 |
$tmp_code = trim(CssMin::minify($_toMinify)); |
| 389 |
} |
| 390 |
} |
| 391 |
} |
| 392 |
if (!empty($tmp_code)) { |
| 393 |
$_Minified = $tmp_code; |
| 394 |
unset($tmp_code); |
| 395 |
} |
| 396 |
// and then cache |
| 397 |
$_cache->cache($_Minified,$codeMime); |
| 398 |
$_CachedMinifiedUrl = AUTOPTIMIZE_CACHE_URL.$_cache->getname(); |
| 399 |
} |
| 400 |
unset($_cache); |
| 401 |
|
| 402 |
// if CDN, then CDN |
| 403 |
$_CachedMinifiedUrl = $this->url_replace_cdn($_CachedMinifiedUrl); |
| 404 |
|
| 405 |
return $_CachedMinifiedUrl; |
| 406 |
} |
| 407 |
|
| 408 |
protected function str_ends_in($haystack,$needle) { |
| 409 |
$needleLength = strlen($needle); |
| 410 |
$haystackLength = strlen($haystack); |
| 411 |
$lastPos=strrpos($haystack,$needle); |
| 412 |
if ($lastPos === $haystackLength - $needleLength) { |
| 413 |
return true; |
| 414 |
} else { |
| 415 |
return false; |
| 416 |
} |
| 417 |
} |
| 418 |
} |
| 419 |
|
