autoptimize / autoptimize.php

autoptimize.php in Autoptimize 2.0.1, 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: 2.0.1
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	define('AUTOPTIMIZE_PLUGIN_DIR',plugin_dir_path(__FILE__));
18
19	// Load config class
20	include(AUTOPTIMIZE_PLUGIN_DIR.'classes/autoptimizeConfig.php');
21
22	// Do we gzip when caching (needed early to load autoptimizeCache.php)
23	define('AUTOPTIMIZE_CACHE_NOGZIP',(bool) get_option('autoptimize_cache_nogzip'));
24
25	// Load cache class
26	include(AUTOPTIMIZE_PLUGIN_DIR.'/classes/autoptimizeCache.php');
27
28	// wp-content dir name (automagically set, should not be needed), dirname of AO cache dir and AO-prefix can be overridden in wp-config.php
29	if (!defined('AUTOPTIMIZE_WP_CONTENT_NAME')) { define('AUTOPTIMIZE_WP_CONTENT_NAME','/'.wp_basename( WP_CONTENT_DIR )); }
30	if (!defined('AUTOPTIMIZE_CACHE_CHILD_DIR')) { define('AUTOPTIMIZE_CACHE_CHILD_DIR','/cache/autoptimize/'); }
31	if (!defined('AUTOPTIMIZE_CACHEFILE_PREFIX')) { define('AUTOPTIMIZE_CACHEFILE_PREFIX', 'autoptimize_'); }
32
33	// Plugin dir constants (plugin url's defined later to accomodate domain mapped sites)
34	if (is_multisite() && apply_filters( 'autoptimize_separate_blog_caches' , true )) {
35	$blog_id = get_current_blog_id();
36	define('AUTOPTIMIZE_CACHE_DIR', WP_CONTENT_DIR.AUTOPTIMIZE_CACHE_CHILD_DIR.$blog_id.'/' );
37	} else {
38	define('AUTOPTIMIZE_CACHE_DIR', WP_CONTENT_DIR.AUTOPTIMIZE_CACHE_CHILD_DIR);
39	}
40	define('AUTOPTIMIZE_CACHE_DELAY',true);
41	define('WP_ROOT_DIR',str_replace(AUTOPTIMIZE_WP_CONTENT_NAME,'',WP_CONTENT_DIR));
42
43	// Initialize the cache at least once
44	$conf = autoptimizeConfig::instance();
45
46	/* Check if we're updating, in which case we might need to do stuff and flush the cache
47	to avoid old versions of aggregated files lingering around */
48
49	$autoptimize_version="2.0.0";
50	$autoptimize_db_version=get_option('autoptimize_version','none');
51
52	if ($autoptimize_db_version !== $autoptimize_version) {
53	if ($autoptimize_db_version==="none") {
54	add_action('admin_notices', 'autoptimize_install_config_notice');
55	} else {
56	// updating, include the update-code
57	include(AUTOPTIMIZE_PLUGIN_DIR.'/classlesses/autoptimizeUpdateCode.php');
58	}
59
60	update_option('autoptimize_version',$autoptimize_version);
61	$autoptimize_db_version=$autoptimize_version;
62	}
63
64	// Load translations
65	load_plugin_textdomain('autoptimize',false,plugin_basename(dirname( __FILE__ )).'/localization');
66
67	function autoptimize_uninstall(){
68	autoptimizeCache::clearall();
69
70	$delete_options=array("autoptimize_cache_clean", "autoptimize_cache_nogzip", "autoptimize_css", "autoptimize_css_datauris", "autoptimize_css_justhead", "autoptimize_css_defer", "autoptimize_css_defer_inline", "autoptimize_css_inline", "autoptimize_css_exclude", "autoptimize_html", "autoptimize_html_keepcomments", "autoptimize_js", "autoptimize_js_exclude", "autoptimize_js_forcehead", "autoptimize_js_justhead", "autoptimize_js_trycatch", "autoptimize_version", "autoptimize_show_adv", "autoptimize_cdn_url", "autoptimize_cachesize_notice","autoptimize_css_include_inline","autoptimize_js_include_inline","autoptimize_css_nogooglefont");
71
72	if ( !is_multisite() ) {
73	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
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	{
80	switch_to_blog( $blog_id );
81	foreach ($delete_options as $del_opt) { delete_option( $del_opt ); }
82	}
83	switch_to_blog( $original_blog_id );
84	}
85
86	if ( wp_get_schedule( 'ao_cachechecker' ) ) {
87	wp_clear_scheduled_hook( 'ao_cachechecker' );
88	}
89	}
90
91	function autoptimize_install_config_notice() {
92	echo '<div class="updated"><p>';
93	_e('Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize' );
94	echo '</p></div>';
95	}
96
97	function autoptimize_update_config_notice() {
98	echo '<div class="updated"><p>';
99	_e('Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize' );
100	echo '</p></div>';
101	}
102
103	function autoptimize_cache_unavailable_notice() {
104	echo '<div class="error"><p>';
105	_e('Autoptimize cannot write to the cache directory (default: /wp-content/cache/autoptimize), please fix to enable CSS/ JS optimization!', 'autoptimize' );
106	echo '</p></div>';
107	}
108
109
110	// Set up the buffering
111	function autoptimize_start_buffering() {
112	$ao_noptimize = false;
113
114	// noptimize in qs to get non-optimized page for debugging
115	if (array_key_exists("ao_noptimize",$_GET)) {
116	if ( ($_GET["ao_noptimize"]==="1") && (apply_filters('autoptimize_filter_honor_qs_noptimize',true)) ) {
117	$ao_noptimize = true;
118	}
119	}
120
121	// check for DONOTMINIFY constant as used by e.g. WooCommerce POS
122	if (defined('DONOTMINIFY') && (constant('DONOTMINIFY')===true \|\| constant('DONOTMINIFY')==="true")) {
123	$ao_noptimize = true;
124	}
125
126	// filter you can use to block autoptimization on your own terms
127	$ao_noptimize = (bool) apply_filters( 'autoptimize_filter_noptimize', $ao_noptimize );
128
129	if (!is_feed() && !$ao_noptimize && !is_admin()) {
130	// Config element
131	$conf = autoptimizeConfig::instance();
132
133	// Load our base class
134	include(AUTOPTIMIZE_PLUGIN_DIR.'classes/autoptimizeBase.php');
135
136	// Load extra classes and set some vars
137	if($conf->get('autoptimize_html')) {
138	include(AUTOPTIMIZE_PLUGIN_DIR.'classes/autoptimizeHTML.php');
139	// BUG: new minify-html does not support keeping HTML comments, skipping for now
140	// if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
141	@include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/minify-html.php');
142	// } else {
143	// @include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/minify-2.1.7-html.php');
144	// }
145	}
146
147	if($conf->get('autoptimize_js')) {
148	include(AUTOPTIMIZE_PLUGIN_DIR.'classes/autoptimizeScripts.php');
149	if (!class_exists('JSMin')) {
150	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
151	@include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/jsmin-1.1.1.php');
152	} else {
153	@include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/minify-2.1.7-jsmin.php');
154	}
155	}
156	if ( ! defined( 'CONCATENATE_SCRIPTS' )) {
157	define('CONCATENATE_SCRIPTS',false);
158	}
159	if ( ! defined( 'COMPRESS_SCRIPTS' )) {
160	define('COMPRESS_SCRIPTS',false);
161	}
162	}
163
164	if($conf->get('autoptimize_css')) {
165	include(AUTOPTIMIZE_PLUGIN_DIR.'classes/autoptimizeStyles.php');
166	if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) {
167	if (!class_exists('Minify_CSS_Compressor')) {
168	@include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/minify-css-compressor.php');
169	}
170	} else {
171	if (!class_exists('CSSmin')) {
172	@include(AUTOPTIMIZE_PLUGIN_DIR.'classes/external/php/yui-php-cssmin-2.4.8-4_fgo.php');
173	}
174	}
175	if ( ! defined( 'COMPRESS_CSS' )) {
176	define('COMPRESS_CSS',false);
177	}
178	}
179
180	// Now, start the real thing!
181	ob_start('autoptimize_end_buffering');
182	}
183	}
184
185	// Action on end, this is where the magic happens
186	function autoptimize_end_buffering($content) {
187	if ( stripos($content,"<html") === false \|\| stripos($content,"<html amp") !== false \|\| stripos($content,"<html ⚡") !== false \|\|stripos($content,"<xsl:stylesheet") !== false ) { return $content;}
188
189	// load URL constants as late as possible to allow domain mapper to kick in
190	if (function_exists("domain_mapping_siteurl")) {
191	define('AUTOPTIMIZE_WP_SITE_URL',domain_mapping_siteurl(get_current_blog_id()));
192	define('AUTOPTIMIZE_WP_CONTENT_URL',str_replace(get_original_url(AUTOPTIMIZE_WP_SITE_URL),AUTOPTIMIZE_WP_SITE_URL,content_url()));
193	} else {
194	define('AUTOPTIMIZE_WP_SITE_URL',site_url());
195	define('AUTOPTIMIZE_WP_CONTENT_URL',content_url());
196	}
197
198	if ( is_multisite() && apply_filters( 'autoptimize_separate_blog_caches' , true ) ) {
199	$blog_id = get_current_blog_id();
200	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR.$blog_id.'/' );
201	} else {
202	define('AUTOPTIMIZE_CACHE_URL',AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR);
203	}
204	define('AUTOPTIMIZE_WP_ROOT_URL',str_replace(AUTOPTIMIZE_WP_CONTENT_NAME,'',AUTOPTIMIZE_WP_CONTENT_URL));
205
206	// Config element
207	$conf = autoptimizeConfig::instance();
208
209	// Choose the classes
210	$classes = array();
211	if($conf->get('autoptimize_js'))
212	$classes[] = 'autoptimizeScripts';
213	if($conf->get('autoptimize_css'))
214	$classes[] = 'autoptimizeStyles';
215	if($conf->get('autoptimize_html'))
216	$classes[] = 'autoptimizeHTML';
217
218	// Set some options
219	$classoptions = array(
220	'autoptimizeScripts' => array(
221	'justhead' => $conf->get('autoptimize_js_justhead'),
222	'forcehead' => $conf->get('autoptimize_js_forcehead'),
223	'trycatch' => $conf->get('autoptimize_js_trycatch'),
224	'js_exclude' => $conf->get('autoptimize_js_exclude'),
225	'cdn_url' => $conf->get('autoptimize_cdn_url'),
226	'include_inline' => $conf->get('autoptimize_js_include_inline')
227	),
228	'autoptimizeStyles' => array(
229	'justhead' => $conf->get('autoptimize_css_justhead'),
230	'datauris' => $conf->get('autoptimize_css_datauris'),
231	'defer' => $conf->get('autoptimize_css_defer'),
232	'defer_inline' => $conf->get('autoptimize_css_defer_inline'),
233	'inline' => $conf->get('autoptimize_css_inline'),
234	'css_exclude' => $conf->get('autoptimize_css_exclude'),
235	'cdn_url' => $conf->get('autoptimize_cdn_url'),
236	'include_inline' => $conf->get('autoptimize_css_include_inline'),
237	'nogooglefont' => $conf->get('autoptimize_css_nogooglefont')
238	),
239	'autoptimizeHTML' => array(
240	'keepcomments' => $conf->get('autoptimize_html_keepcomments')
241	)
242	);
243
244	$content = apply_filters( 'autoptimize_filter_html_before_minify', $content );
245	// Run the classes
246	foreach($classes as $name) {
247	$instance = new $name($content);
248	if($instance->read($classoptions[$name]))
249	{
250	$instance->minify();
251	$instance->cache();
252	$content = $instance->getcontent();
253	}
254	unset($instance);
255	}
256	$content = apply_filters( 'autoptimize_html_after_minify', $content );
257	return $content;
258	}
259
260	if ( autoptimizeCache::cacheavail() ) {
261	$conf = autoptimizeConfig::instance();
262	if( $conf->get('autoptimize_html') \|\| $conf->get('autoptimize_js') \|\| $conf->get('autoptimize_css') ) {
263	// Hook to wordpress
264	if (defined('AUTOPTIMIZE_INIT_EARLIER')) {
265	add_action('init','autoptimize_start_buffering',-1);
266	} else {
267	add_action('template_redirect','autoptimize_start_buffering',2);
268	}
269	}
270	} else {
271	add_action('admin_notices', 'autoptimize_cache_unavailable_notice');
272	}
273
274	register_uninstall_hook(__FILE__, "autoptimize_uninstall");
275	include_once('classlesses/autoptimizeCacheChecker.php');
276
277	// Do not pollute other plugins
278	unset($conf);
279