autoptimize / autoptimize.php

autoptimize.php in Autoptimize 1.8.5, 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: 1.8.5
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	// Plugin dir constants (plugin url's defined later to accomodate domain mapped sites)
27	if (is_multisite()) {
28	$blog_id = get_current_blog_id();
29	define('AUTOPTIMIZE_CACHE_DIR' , WP_CONTENT_DIR.'/cache/autoptimize/'.$blog_id.'/' );
30	} else {
31	define('AUTOPTIMIZE_CACHE_DIR',WP_CONTENT_DIR.'/cache/autoptimize/');
32	}
33	define('AUTOPTIMIZE_CACHE_DELAY',true);
34	define('WP_ROOT_DIR',str_replace('/wp-content','',WP_CONTENT_DIR));
35
36	// Initialize the cache at least once
37	$conf = autoptimizeConfig::instance();
38
39	/* Check if we're updating, in which case we might need to do stuff and flush the cache
40	to avoid old versions of aggregated files lingering around */
41
42	$autoptimize_version="1.8.5";
43	$autoptimize_db_version=get_option('autoptimize_version','none');
44
45	if ($autoptimize_db_version !== $autoptimize_version) {
46	if ($autoptimize_db_version==="none") {
47	add_action('admin_notices', 'autoptimize_install_config_notice');
48	} else {
49	$autoptimize_major_version=substr($autoptimize_db_version,0,3);
50	switch($autoptimize_major_version) {
51	case "1.6":
52	// from back in the days when I did not yet consider multisite
53	// if user was on version 1.6.x, force advanced options to be shown by default
54	update_option('autoptimize_show_adv','1');
55
56	// and remove old options
57	$to_delete_options=array("autoptimize_cdn_css","autoptimize_cdn_css_url","autoptimize_cdn_js","autoptimize_cdn_js_url","autoptimize_cdn_img","autoptimize_cdn_img_url","autoptimize_css_yui","autoptimize_js_yui");
58	foreach ($to_delete_options as $del_opt) {
59	delete_option( $del_opt );
60	}
61
62	// and notify user to check result
63	add_action('admin_notices', 'autoptimize_update_config_notice');
64	case "1.7":
65	// force 3.8 dashicons in CSS exclude options when upgrading from 1.7 to 1.8
66	if ( !is_multisite() ) {
67	$css_exclude = get_option('autoptimize_css_exclude');
68	if (empty($css_exclude)) {
69	$css_exclude = "admin-bar.min.css, dashicons.min.css";
70	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
71	$css_exclude .= ", dashicons.min.css";
72	}
73	update_option('autoptimize_css_exclude',$css_exclude);
74	} else {
75	global $wpdb;
76	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
77	$original_blog_id = get_current_blog_id();
78	foreach ( $blog_ids as $blog_id ) {
79	switch_to_blog( $blog_id );
80	$css_exclude = get_option('autoptimize_css_exclude');
81	if (empty($css_exclude)) {
82	$css_exclude = "admin-bar.min.css, dashicons.min.css";
83	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
84	$css_exclude .= ", dashicons.min.css";
85	}
86	update_option('autoptimize_css_exclude',$css_exclude);
87	}
88	switch_to_blog( $original_blog_id );
89	}
90	}
91	}
92
93	autoptimizeCache::clearall();
94	update_option('autoptimize_version',$autoptimize_version);
95	$autoptimize_db_version=$autoptimize_version;
96	}
97
98	// Load translations
99	$plugin_dir = basename(dirname(__FILE__));
100	load_plugin_textdomain('autoptimize','wp-content/plugins/'.$plugin_dir.'/localization',$plugin_dir.'/localization');
101
102	function autoptimize_uninstall(){
103	autoptimizeCache::clearall();
104
105	$delete_options=array("autoptimize_cache_clean", "autoptimize_cache_nogzip", "autoptimize_css", "autoptimize_css_datauris", "autoptimize_css_justhead", "autoptimize_css_defer", "autoptimize_css_inline", "autoptimize_css_exclude", "autoptimize_html", "autoptimize_html_keepcomments", "autoptimize_js", "autoptimize_js_exclude", "autoptimize_js_forcehead", "autoptimize_js_justhead", "autoptimize_js_trycatch", "autoptimize_version", "autoptimize_show_adv", "autoptimize_cdn_url");
106
107	if ( !is_multisite() ) {
108	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
109	} else {
110	global $wpdb;
111	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
112	$original_blog_id = get_current_blog_id();
113	foreach ( $blog_ids as $blog_id )
114	{
115	switch_to_blog( $blog_id );
116	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
117	}
118	switch_to_blog( $original_blog_id );
119	}
120	}
121
122	function autoptimize_install_config_notice() {
123	echo '<div class="updated"><p>';
124	_e('Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize' );
125	echo '</p></div>';
126	}
127
128	function autoptimize_update_config_notice() {
129	echo '<div class="updated"><p>';
130	_e('Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize' );
131	echo '</p></div>';
132	}
133
134	// Set up the buffering
135	function autoptimize_start_buffering() {
136	$ao_noptimize = false;
137
138	// filter you can use to block autoptimization on your own terms
139	$ao_noptimize = (bool) apply_filters( 'autoptimize_filter_noptimize', $ao_noptimize );
140
141	// noptimize in qs to get non-optimized page for debugging
142	if (array_key_exists("ao_noptimize",$_GET)) {
143	if ($_GET["ao_noptimize"]==="1") {
144	$ao_noptimize = true;
145	}
146	}
147
148	if (!is_feed() && !$ao_noptimize && !is_admin()) {
149
150	// Config element
151	$conf = autoptimizeConfig::instance();
152
153	// Load our base class
154	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeBase.php');
155
156	// Load extra classes and set some vars
157	if($conf->get('autoptimize_html')) {
158	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeHTML.php');
159	// BUG: new minify-html does not support keeping HTML comments, skipping for now
160	// if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
161	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-html.php');
162	// } else {
163	// @include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-html.php');
164	// }
165	}
166
167	if($conf->get('autoptimize_js')) {
168	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeScripts.php');
169	if (!class_exists('JSMin')) {
170	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
171	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/jsmin-1.1.1.php');
172	} else {
173	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-jsmin.php');
174	}
175	}
176	define('CONCATENATE_SCRIPTS',false);
177	define('COMPRESS_SCRIPTS',false);
178	}
179
180	if($conf->get('autoptimize_css')) {
181	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeStyles.php');
182	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
183	if (!class_exists('Minify_CSS_Compressor')) {
184	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-css-compressor.php');
185	}
186	} else {
187	if (!class_exists('CSSmin')) {
188	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/yui-php-cssmin-2.4.8-3.php');
189	}
190	}
191	define('COMPRESS_CSS',false);
192	}
193
194	// Now, start the real thing!
195	ob_start('autoptimize_end_buffering');
196	}
197	}
198
199	// Action on end, this is where the magic happens
200	function autoptimize_end_buffering($content) {
201	if ( stripos($content,"<html") === false \|\| stripos($content,"<xsl:stylesheet") !== false ) { return $content;}
202
203	// load URL constants as late as possible to allow domain mapper to kick in
204	if (function_exists("domain_mapping_siteurl")) {
205	define('AUTOPTIMIZE_WP_SITE_URL',domain_mapping_siteurl(get_current_blog_id()));
206	define('AUTOPTIMIZE_WP_CONTENT_URL',str_replace(get_original_url(AUTOPTIMIZE_WP_SITE_URL),AUTOPTIMIZE_WP_SITE_URL,content_url()));
207	} else {
208	define('AUTOPTIMIZE_WP_SITE_URL',site_url());
209	define('AUTOPTIMIZE_WP_CONTENT_URL',content_url());
210	}
211	if ( is_multisite() ) {
212	$blog_id = get_current_blog_id();
213	define('AUTOPTIMIZE_CACHE_URL' , AUTOPTIMIZE_WP_CONTENT_URL.'/cache/autoptimize/'.$blog_id.'/' );
214	} else {
215	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.'/cache/autoptimize/');
216	}
217	define('AUTOPTIMIZE_WP_ROOT_URL',str_replace('/wp-content','',AUTOPTIMIZE_WP_CONTENT_URL));
218
219	// Config element
220	$conf = autoptimizeConfig::instance();
221
222	// Choose the classes
223	$classes = array();
224	if($conf->get('autoptimize_js'))
225	$classes[] = 'autoptimizeScripts';
226	if($conf->get('autoptimize_css'))
227	$classes[] = 'autoptimizeStyles';
228	if($conf->get('autoptimize_html'))
229	$classes[] = 'autoptimizeHTML';
230
231	// Set some options
232	$classoptions = array(
233	'autoptimizeScripts' => array(
234	'justhead' => $conf->get('autoptimize_js_justhead'),
235	'forcehead' => $conf->get('autoptimize_js_forcehead'),
236	'trycatch' => $conf->get('autoptimize_js_trycatch'),
237	'js_exclude' => $conf->get('autoptimize_js_exclude'),
238	'cdn_url' => $conf->get('autoptimize_cdn_url')
239	),
240	'autoptimizeStyles' => array(
241	'justhead' => $conf->get('autoptimize_css_justhead'),
242	'datauris' => $conf->get('autoptimize_css_datauris'),
243	'defer' => $conf->get('autoptimize_css_defer'),
244	'inline' => $conf->get('autoptimize_css_inline'),
245	'css_exclude' => $conf->get('autoptimize_css_exclude'),
246	'cdn_url' => $conf->get('autoptimize_cdn_url')
247	),
248	'autoptimizeHTML' => array(
249	'keepcomments' => $conf->get('autoptimize_html_keepcomments')
250	)
251	);
252
253
254	// Run the classes
255	foreach($classes as $name) {
256	$instance = new $name($content);
257	if($instance->read($classoptions[$name]))
258	{
259	$instance->minify();
260	$instance->cache();
261	$content = $instance->getcontent();
262	}
263	unset($instance);
264	}
265	return $content;
266	}
267
268	if(autoptimizeCache::cacheavail()) {
269	$conf = autoptimizeConfig::instance();
270	if( $conf->get('autoptimize_html') \|\| $conf->get('autoptimize_js') \|\| $conf->get('autoptimize_css') \|\| $conf->get('autoptimize_cdn_js') \|\| $conf->get('autoptimize_cdn_css')) {
271	// Hook to wordpress
272	add_action('template_redirect','autoptimize_start_buffering',2);
273	}
274	}
275
276	register_uninstall_hook(__FILE__, "autoptimize_uninstall");
277
278	// Do not pollute other plugins
279	unset($conf);
280