autoptimize / classes / autoptimizeBase.php

autoptimizeBase.php in Autoptimize 1.9.0, at classes/autoptimizeBase.php

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1	<?php
2	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
3
4	abstract class autoptimizeBase
5	{
6	protected $content = '';
7
8	public function __construct($content)
9	{
10	$this->content = $content;
11	//Best place to catch errors
12	}
13
14	//Reads the page and collects tags
15	abstract public function read($justhead);
16
17	//Joins and optimizes collected things
18	abstract public function minify();
19
20	//Caches the things
21	abstract public function cache();
22
23	//Returns the content
24	abstract public function getcontent();
25
26	//Converts an URL to a full path
27	protected function getpath($url) {
28	if (strpos($url,'%')!==false) {
29	$url=urldecode($url);
30	}
31
32	// normalize
33	if (strpos($url,'//')===0) {
34	if (is_ssl()) {
35	$url = "https:".$url;
36	} else {
37	$url = "http:".$url;
38	}
39	} else if ((strpos($url,'//')===false) && (strpos($url,parse_url(AUTOPTIMIZE_WP_SITE_URL,PHP_URL_HOST))===false)) {
40	$url = AUTOPTIMIZE_WP_SITE_URL.$url;
41	}
42
43	// first check; hostname wp site should be hostname of url
44	if (parse_url($url,PHP_URL_HOST)!==parse_url(AUTOPTIMIZE_WP_SITE_URL,PHP_URL_HOST)) {
45	return false;
46	}
47
48	// try to remove "wp root url" from url while not minding http<>https
49	$tmp_ao_root = preg_replace('/https?/','',AUTOPTIMIZE_WP_ROOT_URL);
50	$tmp_url = preg_replace('/https?/','',$url);
51	$path = str_replace($tmp_ao_root,'',$tmp_url);
52
53	// final check; if path starts with :// or //, this is not a URL in the WP context and we have to assume we can't aggregate
54	if (preg_match('#^:?//#',$path)) {
55	/** External script/css (adsense, etc) */
56	return false;
57	}
58
59	$path = str_replace('//','/',WP_ROOT_DIR.$path);
60	return $path;
61	}
62
63	// logger
64	protected function ao_logger($logmsg,$appendHTML=true) {
65	if ($appendHTML) {
66	$logmsg="<!--noptimize--><!-- ".$logmsg." --><!--/noptimize-->";
67	$this->content.=$logmsg;
68	} else {
69	$logfile=WP_CONTENT_DIR.'/ao_log.txt';
70	$logmsg.="\n--\n";
71	file_put_contents($logfile,$logmsg,FILE_APPEND);
72	}
73	}
74
75	// hide everything between noptimize-comment tags
76	protected function hide_noptimize($noptimize_in) {
77	if ( preg_match( '/<!--\s?noptimize\s?-->/', $noptimize_in ) ) {
78	$noptimize_out = preg_replace_callback(
79	'#<!--\s?noptimize\s?-->.*?<!--\s?/\s?noptimize\s?-->#is',
80	create_function(
81	'$matches',
82	'return "%%NOPTIMIZE%%".base64_encode($matches[0])."%%NOPTIMIZE%%";'
83	),
84	$noptimize_in
85	);
86	} else {
87	$noptimize_out = $noptimize_in;
88	}
89	return $noptimize_out;
90	}
91
92	// unhide noptimize-tags
93	protected function restore_noptimize($noptimize_in) {
94	if ( strpos( $noptimize_in, '%%NOPTIMIZE%%' ) !== false ) {
95	$noptimize_out = preg_replace_callback(
96	'#%%NOPTIMIZE%%(.*?)%%NOPTIMIZE%%#is',
97	create_function(
98	'$matches',
99	'return stripslashes(base64_decode($matches[1]));'
100	),
101	$noptimize_in
102	);
103	} else {
104	$noptimize_out = $noptimize_in;
105	}
106	return $noptimize_out;
107	}
108
109	protected function hide_iehacks($iehacks_in) {
110	if ( strpos( $iehacks_in, '<!--[if' ) !== false ) {
111	$iehacks_out = preg_replace_callback(
112	'#<!--\[if.*?\[endif\]-->#is',
113	create_function(
114	'$matches',
115	'return "%%IEHACK%%".base64_encode($matches[0])."%%IEHACK%%";'
116	),
117	$iehacks_in
118	);
119	} else {
120	$iehacks_out = $iehacks_in;
121	}
122	return $iehacks_out;
123	}
124
125	protected function restore_iehacks($iehacks_in) {
126	if ( strpos( $iehacks_in, '%%IEHACK%%' ) !== false ) {
127	$iehacks_out = preg_replace_callback(
128	'#%%IEHACK%%(.*?)%%IEHACK%%#is',
129	create_function(
130	'$matches',
131	'return stripslashes(base64_decode($matches[1]));'
132	),
133	$iehacks_in
134	);
135	} else {
136	$iehacks_out=$iehacks_in;
137	}
138	return $iehacks_out;
139	}
140
141	protected function hide_comments($comments_in) {
142	if ( strpos( $comments_in, '<!--' ) !== false ) {
143	$comments_out = preg_replace_callback(
144	'#<!--.*?-->#is',
145	create_function(
146	'$matches',
147	'return "%%COMMENTS%%".base64_encode($matches[0])."%%COMMENTS%%";'
148	),
149	$comments_in
150	);
151	} else {
152	$comments_out = $comments_in;
153	}
154	return $comments_out;
155	}
156
157	protected function restore_comments($comments_in) {
158	if ( strpos( $comments_in, '%%COMMENTS%%' ) !== false ) {
159	$comments_out = preg_replace_callback(
160	'#%%COMMENTS%%(.*?)%%COMMENTS%%#is',
161	create_function(
162	'$matches',
163	'return stripslashes(base64_decode($matches[1]));'
164	),
165	$comments_in
166	);
167	} else {
168	$comments_out=$comments_in;
169	}
170	return $comments_out;
171	}
172
173	protected function url_replace_cdn($url) {
174	if (!empty($this->cdn_url)) {
175	$url=str_replace(AUTOPTIMIZE_WP_SITE_URL,rtrim($this->cdn_url,'/'),$url);
176	}
177	return $url;
178	}
179
180	protected function inject_in_html($payload,$replaceTag) {
181	if (strpos($this->content,$replaceTag[0])!== false) {
182	if ($replaceTag[1]==="after") {
183	$replaceBlock=$replaceTag[0].$payload;
184	} else if ($replaceTag[1]==="replace"){
185	$replaceBlock=$payload;
186	} else {
187	$replaceBlock=$payload.$replaceTag[0];
188	}
189	$this->content = str_replace($replaceTag[0],$replaceBlock,$this->content);
190	} else {
191	$this->content .= $payload;
192	if (!$tagWarning) {
193	$this->content .= "<!--noptimize--><!-- Autoptimize found a problem with the HTML in your Theme, tag ".$replaceTag[0]." missing --><!--/noptimize-->";
194	$tagWarning=true;
195	}
196	}
197	}
198	}
199