autoptimize / autoptimize.php

autoptimize.php in Autoptimize 1.9.2, at autoptimize.php

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1	<?php
2	/*
3	Plugin Name: Autoptimize
4	Plugin URI: http://blog.futtta.be/autoptimize
5	Description: Optimizes your website, concatenating the CSS and JavaScript code, and compressing it.
6	Version: 1.9.2
7	Author: Frank Goossens (futtta)
8	Author URI: http://blog.futtta.be/
9	Domain Path: localization/
10	Text Domain: autoptimize
11	Released under the GNU General Public License (GPL)
12	http://www.gnu.org/licenses/gpl.txt
13	*/
14
15	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
16
17	// Load config class
18	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeConfig.php');
19
20	// Do we gzip when caching (needed early to load autoptimizeCache.php)
21	define('AUTOPTIMIZE_CACHE_NOGZIP',(bool) get_option('autoptimize_cache_nogzip'));
22
23	// Load cache class
24	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeCache.php');
25
26	// wp-content dir, dirname of AO cache dir and AO-prefix can be overridden in wp-config.php
27	if (!defined('AUTOPTIMIZE_CACHE_CHILD_DIR')) { define('AUTOPTIMIZE_CACHE_CHILD_DIR','/cache/autoptimize/'); }
28	if (!defined('AUTOPTIMIZE_WP_CONTENT_NAME')) { define('AUTOPTIMIZE_WP_CONTENT_NAME','/wp-content'); }
29	if (!defined('AUTOPTIMIZE_CACHEFILE_PREFIX')) { define('AUTOPTIMIZE_CACHEFILE_PREFIX', 'autoptimize_'); }
30
31	// Plugin dir constants (plugin url's defined later to accomodate domain mapped sites)
32	if (is_multisite()) {
33	$blog_id = get_current_blog_id();
34	define('AUTOPTIMIZE_CACHE_DIR' , WP_CONTENT_DIR.AUTOPTIMIZE_CACHE_CHILD_DIR.$blog_id.'/' );
35	} else {
36	define('AUTOPTIMIZE_CACHE_DIR',WP_CONTENT_DIR.AUTOPTIMIZE_CACHE_CHILD_DIR);
37	}
38	define('AUTOPTIMIZE_CACHE_DELAY',true);
39	define('WP_ROOT_DIR',str_replace(AUTOPTIMIZE_WP_CONTENT_NAME,'',WP_CONTENT_DIR));
40
41	// Initialize the cache at least once
42	$conf = autoptimizeConfig::instance();
43
44	/* Check if we're updating, in which case we might need to do stuff and flush the cache
45	to avoid old versions of aggregated files lingering around */
46
47	$autoptimize_version="1.9.2";
48	$autoptimize_db_version=get_option('autoptimize_version','none');
49
50	if ($autoptimize_db_version !== $autoptimize_version) {
51	if ($autoptimize_db_version==="none") {
52	add_action('admin_notices', 'autoptimize_install_config_notice');
53	} else {
54	$autoptimize_major_version=substr($autoptimize_db_version,0,3);
55	switch($autoptimize_major_version) {
56	case "1.6":
57	// from back in the days when I did not yet consider multisite
58	// if user was on version 1.6.x, force advanced options to be shown by default
59	update_option('autoptimize_show_adv','1');
60
61	// and remove old options
62	$to_delete_options=array("autoptimize_cdn_css","autoptimize_cdn_css_url","autoptimize_cdn_js","autoptimize_cdn_js_url","autoptimize_cdn_img","autoptimize_cdn_img_url","autoptimize_css_yui","autoptimize_js_yui");
63	foreach ($to_delete_options as $del_opt) {
64	delete_option( $del_opt );
65	}
66
67	// and notify user to check result
68	add_action('admin_notices', 'autoptimize_update_config_notice');
69	case "1.7":
70	// force 3.8 dashicons in CSS exclude options when upgrading from 1.7 to 1.8
71	if ( !is_multisite() ) {
72	$css_exclude = get_option('autoptimize_css_exclude');
73	if (empty($css_exclude)) {
74	$css_exclude = "admin-bar.min.css, dashicons.min.css";
75	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
76	$css_exclude .= ", dashicons.min.css";
77	}
78	update_option('autoptimize_css_exclude',$css_exclude);
79	} else {
80	global $wpdb;
81	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
82	$original_blog_id = get_current_blog_id();
83	foreach ( $blog_ids as $blog_id ) {
84	switch_to_blog( $blog_id );
85	$css_exclude = get_option('autoptimize_css_exclude');
86	if (empty($css_exclude)) {
87	$css_exclude = "admin-bar.min.css, dashicons.min.css";
88	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
89	$css_exclude .= ", dashicons.min.css";
90	}
91	update_option('autoptimize_css_exclude',$css_exclude);
92	}
93	switch_to_blog( $original_blog_id );
94	}
95	}
96	}
97
98	autoptimizeCache::clearall();
99	update_option('autoptimize_version',$autoptimize_version);
100	$autoptimize_db_version=$autoptimize_version;
101	}
102
103	// Load translations
104	$plugin_dir = basename(dirname(__FILE__));
105	load_plugin_textdomain('autoptimize','wp-content/plugins/'.$plugin_dir.'/localization',$plugin_dir.'/localization');
106
107	function autoptimize_uninstall(){
108	autoptimizeCache::clearall();
109
110	$delete_options=array("autoptimize_cache_clean", "autoptimize_cache_nogzip", "autoptimize_css", "autoptimize_css_datauris", "autoptimize_css_justhead", "autoptimize_css_defer", "autoptimize_css_defer_inline", "autoptimize_css_inline", "autoptimize_css_exclude", "autoptimize_html", "autoptimize_html_keepcomments", "autoptimize_js", "autoptimize_js_exclude", "autoptimize_js_forcehead", "autoptimize_js_justhead", "autoptimize_js_trycatch", "autoptimize_version", "autoptimize_show_adv", "autoptimize_cdn_url");
111
112	if ( !is_multisite() ) {
113	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
114	} else {
115	global $wpdb;
116	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
117	$original_blog_id = get_current_blog_id();
118	foreach ( $blog_ids as $blog_id )
119	{
120	switch_to_blog( $blog_id );
121	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
122	}
123	switch_to_blog( $original_blog_id );
124	}
125	}
126
127	function autoptimize_install_config_notice() {
128	echo '<div class="updated"><p>';
129	_e('Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize' );
130	echo '</p></div>';
131	}
132
133	function autoptimize_update_config_notice() {
134	echo '<div class="updated"><p>';
135	_e('Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize' );
136	echo '</p></div>';
137	}
138
139	// Set up the buffering
140	function autoptimize_start_buffering() {
141	$ao_noptimize = false;
142
143	// filter you can use to block autoptimization on your own terms
144	$ao_noptimize = (bool) apply_filters( 'autoptimize_filter_noptimize', $ao_noptimize );
145
146	// noptimize in qs to get non-optimized page for debugging
147	if (array_key_exists("ao_noptimize",$_GET)) {
148	if ($_GET["ao_noptimize"]==="1") {
149	$ao_noptimize = true;
150	}
151	}
152
153	if (!is_feed() && !$ao_noptimize && !is_admin()) {
154
155	// Config element
156	$conf = autoptimizeConfig::instance();
157
158	// Load our base class
159	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeBase.php');
160
161	// Load extra classes and set some vars
162	if($conf->get('autoptimize_html')) {
163	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeHTML.php');
164	// BUG: new minify-html does not support keeping HTML comments, skipping for now
165	// if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
166	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-html.php');
167	// } else {
168	// @include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-html.php');
169	// }
170	}
171
172	if($conf->get('autoptimize_js')) {
173	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeScripts.php');
174	if (!class_exists('JSMin')) {
175	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
176	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/jsmin-1.1.1.php');
177	} else {
178	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-jsmin.php');
179	}
180	}
181	define('CONCATENATE_SCRIPTS',false);
182	define('COMPRESS_SCRIPTS',false);
183	}
184
185	if($conf->get('autoptimize_css')) {
186	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeStyles.php');
187	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
188	if (!class_exists('Minify_CSS_Compressor')) {
189	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-css-compressor.php');
190	}
191	} else {
192	if (!class_exists('CSSmin')) {
193	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/yui-php-cssmin-2.4.8-3_fixes.php');
194	}
195	}
196	define('COMPRESS_CSS',false);
197	}
198
199	// Now, start the real thing!
200	ob_start('autoptimize_end_buffering');
201	}
202	}
203
204	// Action on end, this is where the magic happens
205	function autoptimize_end_buffering($content) {
206	if ( stripos($content,"<html") === false \|\| stripos($content,"<xsl:stylesheet") !== false ) { return $content;}
207
208	// load URL constants as late as possible to allow domain mapper to kick in
209	if (function_exists("domain_mapping_siteurl")) {
210	define('AUTOPTIMIZE_WP_SITE_URL',domain_mapping_siteurl(get_current_blog_id()));
211	define('AUTOPTIMIZE_WP_CONTENT_URL',str_replace(get_original_url(AUTOPTIMIZE_WP_SITE_URL),AUTOPTIMIZE_WP_SITE_URL,content_url()));
212	} else {
213	define('AUTOPTIMIZE_WP_SITE_URL',site_url());
214	define('AUTOPTIMIZE_WP_CONTENT_URL',content_url());
215	}
216
217	if ( is_multisite() ) {
218	$blog_id = get_current_blog_id();
219	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR.$blog_id.'/' );
220	} else {
221	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR);
222	}
223	define('AUTOPTIMIZE_WP_ROOT_URL',str_replace(AUTOPTIMIZE_WP_CONTENT_NAME,'',AUTOPTIMIZE_WP_CONTENT_URL));
224
225	// Config element
226	$conf = autoptimizeConfig::instance();
227
228	// Choose the classes
229	$classes = array();
230	if($conf->get('autoptimize_js'))
231	$classes[] = 'autoptimizeScripts';
232	if($conf->get('autoptimize_css'))
233	$classes[] = 'autoptimizeStyles';
234	if($conf->get('autoptimize_html'))
235	$classes[] = 'autoptimizeHTML';
236
237	// Set some options
238	$classoptions = array(
239	'autoptimizeScripts' => array(
240	'justhead' => $conf->get('autoptimize_js_justhead'),
241	'forcehead' => $conf->get('autoptimize_js_forcehead'),
242	'trycatch' => $conf->get('autoptimize_js_trycatch'),
243	'js_exclude' => $conf->get('autoptimize_js_exclude'),
244	'cdn_url' => $conf->get('autoptimize_cdn_url')
245	),
246	'autoptimizeStyles' => array(
247	'justhead' => $conf->get('autoptimize_css_justhead'),
248	'datauris' => $conf->get('autoptimize_css_datauris'),
249	'defer' => $conf->get('autoptimize_css_defer'),
250	'defer_inline' => $conf->get('autoptimize_css_defer_inline'),
251	'inline' => $conf->get('autoptimize_css_inline'),
252	'css_exclude' => $conf->get('autoptimize_css_exclude'),
253	'cdn_url' => $conf->get('autoptimize_cdn_url')
254	),
255	'autoptimizeHTML' => array(
256	'keepcomments' => $conf->get('autoptimize_html_keepcomments')
257	)
258	);
259
260	// Run the classes
261	foreach($classes as $name) {
262	$instance = new $name($content);
263	if($instance->read($classoptions[$name]))
264	{
265	$instance->minify();
266	$instance->cache();
267	$content = $instance->getcontent();
268	}
269	unset($instance);
270	}
271	$content = apply_filters( 'autoptimize_html_after_minify', $content );
272	return $content;
273	}
274
275	function autoptimize_flush_pagecache($nothing) {
276	if(function_exists('wp_cache_clear_cache')) {
277	if (is_multisite()) {
278	$blog_id = get_current_blog_id();
279	wp_cache_clear_cache($blog_id);
280	} else {
281	wp_cache_clear_cache();
282	}
283	} else if ( has_action('cachify_flush_cache') ) {
284	do_action('cachify_flush_cache');
285	} else if ( function_exists('w3tc_pgcache_flush') ) {
286	w3tc_pgcache_flush(); // w3 total cache
287	} else if ( function_exists('hyper_cache_invalidate') ) {
288	hyper_cache_invalidate(); // hypercache
289	} else if ( function_exists('wp_fast_cache_bulk_delete_all') ) {
290	wp_fast_cache_bulk_delete_all(); // wp fast cache
291	} else if (class_exists("WpFastestCache")) {
292	$wpfc = new WpFastestCache(); // wp fastest cache
293	$wpfc -> deleteCache();
294	} else if ( class_exists("c_ws_plugin__qcache_purging_routines") ) {
295	c_ws_plugin__qcache_purging_routines::purge_cache_dir(); // quick cache
296	} else if(file_exists(WP_CONTENT_DIR.'/wp-cache-config.php') && function_exists('prune_super_cache')){
297	// fallback for WP-Super-Cache
298	global $cache_path;
299	if (is_multisite()) {
300	$blog_id = get_current_blog_id();
301	prune_super_cache( get_supercache_dir( $blog_id ), true );
302	prune_super_cache( $cache_path . 'blogs/', true );
303	} else {
304	prune_super_cache($cache_path.'supercache/',true);
305	prune_super_cache($cache_path,true);
306	}
307	}
308	}
309	add_action('ao_flush_pagecache','autoptimize_flush_pagecache',10,1);
310
311	if(autoptimizeCache::cacheavail()) {
312	$conf = autoptimizeConfig::instance();
313	if( $conf->get('autoptimize_html') \|\| $conf->get('autoptimize_js') \|\| $conf->get('autoptimize_css') \|\| $conf->get('autoptimize_cdn_js') \|\| $conf->get('autoptimize_cdn_css')) {
314	// Hook to wordpress
315	add_action('template_redirect','autoptimize_start_buffering',2);
316	}
317	}
318
319	register_uninstall_hook(__FILE__, "autoptimize_uninstall");
320
321	// Do not pollute other plugins
322	unset($conf);
323