autoptimize / classes / autoptimizeBase.php

autoptimizeBase.php in Autoptimize 1.8.2, 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,'//')===0) {
29	$url = "http:".$url;
30	} else if ((strpos($url,'//')===false) && (strpos($url,parse_url(AUTOPTIMIZE_WP_SITE_URL,PHP_URL_HOST))===false)) {
31	$url = AUTOPTIMIZE_WP_SITE_URL.$url;
32	}
33	$path = str_replace(AUTOPTIMIZE_WP_ROOT_URL,'',$url);
34	if(preg_match('#^((https?\|ftp):)?//#i',$path)) {
35	/** External script/css (adsense, etc) */
36	return false;
37	}
38	$path = str_replace('//','/',WP_ROOT_DIR.$path);
39	return $path;
40	}
41
42	// logger
43	protected function ao_logger($logmsg) {
44	$logfile=WP_CONTENT_DIR.'/ao_log.txt';
45	$logmsg.="\n";
46	file_put_contents($logfile,$logmsg,FILE_APPEND);
47	}
48
49	// hide everything between noptimize-comment tags
50	protected function hide_noptimize($noptimize_in) {
51	if ( preg_match( '/<!--\s?noptimize\s?-->/', $noptimize_in ) ) {
52	$noptimize_out = preg_replace_callback(
53	'#<!--\s?noptimize\s?-->.*?<!--\s?/\s?noptimize\s?-->#is',
54	create_function(
55	'$matches',
56	'return "%%NOPTIMIZE%%".base64_encode($matches[0])."%%NOPTIMIZE%%";'
57	),
58	$noptimize_in
59	);
60	} else {
61	$noptimize_out = $noptimize_in;
62	}
63	return $noptimize_out;
64	}
65
66	// unhide noptimize-tags
67	protected function restore_noptimize($noptimize_in) {
68	if ( strpos( $noptimize_in, '%%NOPTIMIZE%%' ) !== false ) {
69	$noptimize_out = preg_replace_callback(
70	'#%%NOPTIMIZE%%(.*?)%%NOPTIMIZE%%#is',
71	create_function(
72	'$matches',
73	'return stripslashes(base64_decode($matches[1]));'
74	),
75	$noptimize_in
76	);
77	} else {
78	$noptimize_out = $noptimize_in;
79	}
80	return $noptimize_out;
81	}
82
83	protected function hide_iehacks($iehacks_in) {
84	if ( strpos( $iehacks_in, '<!--[if' ) !== false ) {
85	$iehacks_out = preg_replace_callback(
86	'#<!--\[if.*?\[endif\]-->#is',
87	create_function(
88	'$matches',
89	'return "%%IEHACK%%".base64_encode($matches[0])."%%IEHACK%%";'
90	),
91	$iehacks_in
92	);
93	} else {
94	$iehacks_out = $iehacks_in;
95	}
96	return $iehacks_out;
97	}
98
99	protected function restore_iehacks($iehacks_in) {
100	if ( strpos( $iehacks_in, '%%IEHACK%%' ) !== false ) {
101	$iehacks_out = preg_replace_callback(
102	'#%%IEHACK%%(.*?)%%IEHACK%%#is',
103	create_function(
104	'$matches',
105	'return stripslashes(base64_decode($matches[1]));'
106	),
107	$iehacks_in
108	);
109	} else {
110	$iehacks_out=$iehacks_in;
111	}
112	return $iehacks_out;
113	}
114
115	protected function hide_comments($comments_in) {
116	if ( strpos( $comments_in, '<!--' ) !== false ) {
117	$comments_out = preg_replace_callback(
118	'#<!--.*?-->#is',
119	create_function(
120	'$matches',
121	'return "%%COMMENTS%%".base64_encode($matches[0])."%%COMMENTS%%";'
122	),
123	$comments_in
124	);
125	} else {
126	$comments_out = $comments_in;
127	}
128	return $comments_out;
129	}
130
131	protected function restore_comments($comments_in) {
132	if ( strpos( $comments_in, '%%COMMENTS%%' ) !== false ) {
133	$comments_out = preg_replace_callback(
134	'#%%COMMENTS%%(.*?)%%COMMENTS%%#is',
135	create_function(
136	'$matches',
137	'return stripslashes(base64_decode($matches[1]));'
138	),
139	$comments_in
140	);
141	} else {
142	$comments_out=$comments_in;
143	}
144	return $comments_out;
145	}
146
147	protected function url_replace_cdn($url) {
148	if (!empty($this->cdn_url)) {
149	$url=str_replace(AUTOPTIMIZE_WP_SITE_URL,rtrim($this->cdn_url,'/'),$url);
150	}
151	return $url;
152	}
153
154	protected function warn_html() {
155	$this->content .= "<!--noptimize--><!-- Autoptimize found a problem with the HTML in your Theme, check if the title or body-tags are missing --><!--/noptimize-->";
156	}
157	}
158