autoptimize / autoptimize.php

autoptimize.php in Autoptimize 1.8.4, 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: 1.8.4
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	define('AUTOPTIMIZE_CACHE_DIR',WP_CONTENT_DIR.'/cache/autoptimize/');
28	define('AUTOPTIMIZE_CACHE_DELAY',true);
29	define('WP_ROOT_DIR',str_replace('/wp-content','',WP_CONTENT_DIR));
30
31	// Initialize the cache at least once
32	$conf = autoptimizeConfig::instance();
33
34	/* Check if we're updating, in which case we might need to do stuff and flush the cache
35	to avoid old versions of aggregated files lingering around */
36
37	$autoptimize_version="1.8.4";
38	$autoptimize_db_version=get_option('autoptimize_version','none');
39
40	if ($autoptimize_db_version !== $autoptimize_version) {
41	if ($autoptimize_db_version==="none") {
42	add_action('admin_notices', 'autoptimize_install_config_notice');
43	} else {
44	$autoptimize_major_version=substr($autoptimize_db_version,0,3);
45	switch($autoptimize_major_version) {
46	case "1.6":
47	// from back in the days when I did not yet consider multisite
48	// if user was on version 1.6.x, force advanced options to be shown by default
49	update_option('autoptimize_show_adv','1');
50
51	// and remove old options
52	$to_delete_options=array("autoptimize_cdn_css","autoptimize_cdn_css_url","autoptimize_cdn_js","autoptimize_cdn_js_url","autoptimize_cdn_img","autoptimize_cdn_img_url","autoptimize_css_yui","autoptimize_js_yui");
53	foreach ($to_delete_options as $del_opt) {
54	delete_option( $del_opt );
55	}
56
57	// and notify user to check result
58	add_action('admin_notices', 'autoptimize_update_config_notice');
59	case "1.7":
60	// force 3.8 dashicons in CSS exclude options when upgrading from 1.7 to 1.8
61	if ( !is_multisite() ) {
62	$css_exclude = get_option('autoptimize_css_exclude');
63	if (empty($css_exclude)) {
64	$css_exclude = "admin-bar.min.css, dashicons.min.css";
65	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
66	$css_exclude .= ", dashicons.min.css";
67	}
68	update_option('autoptimize_css_exclude',$css_exclude);
69	} else {
70	global $wpdb;
71	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
72	$original_blog_id = get_current_blog_id();
73	foreach ( $blog_ids as $blog_id ) {
74	switch_to_blog( $blog_id );
75	$css_exclude = get_option('autoptimize_css_exclude');
76	if (empty($css_exclude)) {
77	$css_exclude = "admin-bar.min.css, dashicons.min.css";
78	} else if (strpos($css_exclude,"dashicons.min.css")===false) {
79	$css_exclude .= ", dashicons.min.css";
80	}
81	update_option('autoptimize_css_exclude',$css_exclude);
82	}
83	switch_to_blog( $original_blog_id );
84	}
85	}
86	}
87
88	autoptimizeCache::clearall();
89	update_option('autoptimize_version',$autoptimize_version);
90	$autoptimize_db_version=$autoptimize_version;
91	}
92
93	// Load translations
94	$plugin_dir = basename(dirname(__FILE__));
95	load_plugin_textdomain('autoptimize','wp-content/plugins/'.$plugin_dir.'/localization',$plugin_dir.'/localization');
96
97	function autoptimize_uninstall(){
98	autoptimizeCache::clearall();
99
100	$delete_options=array("autoptimize_cache_clean", "autoptimize_cache_nogzip", "autoptimize_css", "autoptimize_css_datauris", "autoptimize_css_justhead", "autoptimize_css_defer", "autoptimize_css_inline", "autoptimize_css_exclude", "autoptimize_html", "autoptimize_html_keepcomments", "autoptimize_js", "autoptimize_js_exclude", "autoptimize_js_forcehead", "autoptimize_js_justhead", "autoptimize_js_trycatch", "autoptimize_version", "autoptimize_show_adv", "autoptimize_cdn_url");
101
102	if ( !is_multisite() ) {
103	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
104	} else {
105	global $wpdb;
106	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
107	$original_blog_id = get_current_blog_id();
108	foreach ( $blog_ids as $blog_id )
109	{
110	switch_to_blog( $blog_id );
111	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
112	}
113	switch_to_blog( $original_blog_id );
114	}
115	}
116
117	function autoptimize_install_config_notice() {
118	echo '<div class="updated"><p>';
119	_e('Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize' );
120	echo '</p></div>';
121	}
122
123	function autoptimize_update_config_notice() {
124	echo '<div class="updated"><p>';
125	_e('Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize' );
126	echo '</p></div>';
127	}
128
129	// Set up the buffering
130	function autoptimize_start_buffering() {
131	$ao_noptimize = false;
132
133	// filter you can use to block autoptimization on your own terms
134	$ao_noptimize = (bool) apply_filters( 'autoptimize_filter_noptimize', $ao_noptimize );
135
136	// noptimize in qs to get non-optimized page for debugging
137	if (array_key_exists("ao_noptimize",$_GET)) {
138	if ($_GET["ao_noptimize"]==="1") {
139	$ao_noptimize = true;
140	}
141	}
142
143	if (!is_feed() && !$ao_noptimize ) {
144
145	// Config element
146	$conf = autoptimizeConfig::instance();
147
148	// Load our base class
149	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeBase.php');
150
151	// Load extra classes and set some vars
152	if($conf->get('autoptimize_html')) {
153	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeHTML.php');
154	// BUG: new minify-html does not support keeping HTML comments, skipping for now
155	// if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
156	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-html.php');
157	// } else {
158	// @include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-html.php');
159	// }
160	}
161
162	if($conf->get('autoptimize_js')) {
163	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeScripts.php');
164	if (!class_exists('JSMin')) {
165	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
166	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/jsmin-1.1.1.php');
167	} else {
168	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-2.1.7-jsmin.php');
169	}
170	}
171	define('CONCATENATE_SCRIPTS',false);
172	define('COMPRESS_SCRIPTS',false);
173	}
174
175	if($conf->get('autoptimize_css')) {
176	include(WP_PLUGIN_DIR.'/autoptimize/classes/autoptimizeStyles.php');
177	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
178	if (!class_exists('Minify_CSS_Compressor')) {
179	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/minify-css-compressor.php');
180	}
181	} else {
182	if (!class_exists('CSSmin')) {
183	@include(WP_PLUGIN_DIR.'/autoptimize/classes/external/php/yui-php-cssmin-2.4.8-2_fgo.php');
184	}
185	}
186	define('COMPRESS_CSS',false);
187	}
188
189	// Now, start the real thing!
190	ob_start('autoptimize_end_buffering');
191	}
192	}
193
194	// Action on end, this is where the magic happens
195	function autoptimize_end_buffering($content) {
196	if ( stripos($content,"<html") === false \|\| stripos($content,"<xsl:stylesheet") !== false ) { return $content;}
197
198	// load URL constants as late as possible to allow domain mapper to kick in
199	if (function_exists("domain_mapping_siteurl")) {
200	define('AUTOPTIMIZE_WP_SITE_URL',domain_mapping_siteurl(get_current_blog_id()));
201	define('AUTOPTIMIZE_WP_CONTENT_URL',str_replace(get_original_url(AUTOPTIMIZE_WP_SITE_URL),AUTOPTIMIZE_WP_SITE_URL,content_url()));
202	} else {
203	define('AUTOPTIMIZE_WP_SITE_URL',site_url());
204	define('AUTOPTIMIZE_WP_CONTENT_URL',content_url());
205	}
206	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.'/cache/autoptimize/');
207	define('AUTOPTIMIZE_WP_ROOT_URL',str_replace('/wp-content','',AUTOPTIMIZE_WP_CONTENT_URL));
208
209	// Config element
210	$conf = autoptimizeConfig::instance();
211
212	// Choose the classes
213	$classes = array();
214	if($conf->get('autoptimize_js'))
215	$classes[] = 'autoptimizeScripts';
216	if($conf->get('autoptimize_css'))
217	$classes[] = 'autoptimizeStyles';
218	if($conf->get('autoptimize_html'))
219	$classes[] = 'autoptimizeHTML';
220
221	// Set some options
222	$classoptions = array(
223	'autoptimizeScripts' => array(
224	'justhead' => $conf->get('autoptimize_js_justhead'),
225	'forcehead' => $conf->get('autoptimize_js_forcehead'),
226	'trycatch' => $conf->get('autoptimize_js_trycatch'),
227	'js_exclude' => $conf->get('autoptimize_js_exclude'),
228	'cdn_url' => $conf->get('autoptimize_cdn_url')
229	),
230	'autoptimizeStyles' => array(
231	'justhead' => $conf->get('autoptimize_css_justhead'),
232	'datauris' => $conf->get('autoptimize_css_datauris'),
233	'defer' => $conf->get('autoptimize_css_defer'),
234	'inline' => $conf->get('autoptimize_css_inline'),
235	'css_exclude' => $conf->get('autoptimize_css_exclude'),
236	'cdn_url' => $conf->get('autoptimize_cdn_url')
237	),
238	'autoptimizeHTML' => array(
239	'keepcomments' => $conf->get('autoptimize_html_keepcomments')
240	)
241	);
242
243
244	// Run the classes
245	foreach($classes as $name) {
246	$instance = new $name($content);
247	if($instance->read($classoptions[$name]))
248	{
249	$instance->minify();
250	$instance->cache();
251	$content = $instance->getcontent();
252	}
253	unset($instance);
254	}
255	return $content;
256	}
257
258	if(autoptimizeCache::cacheavail()) {
259	$conf = autoptimizeConfig::instance();
260	if( $conf->get('autoptimize_html') \|\| $conf->get('autoptimize_js') \|\| $conf->get('autoptimize_css') \|\| $conf->get('autoptimize_cdn_js') \|\| $conf->get('autoptimize_cdn_css')) {
261	// Hook to wordpress
262	add_action('template_redirect','autoptimize_start_buffering',2);
263	}
264	}
265
266	register_uninstall_hook(__FILE__, "autoptimize_uninstall");
267
268	// Do not pollute other plugins
269	unset($conf);
270