1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
<?php
namespace Rain\Tpl\Plugin;
require_once __DIR__ . '/../Plugin.php';
class Compress extends \Rain\Tpl\Plugin
{
protected $hooks = array('beforeParse');
private $tags = array('a', 'img', 'link', 'script', 'input');
/**
* replace the path of image src, link href and a href.
* url => template_dir/url
* url# => url
* http://url => http://url
*
* @param \ArrayAccess $context
*/
public function beforeParse(\ArrayAccess $context){
// set variables
$html = $context->code;
$template_basedir = $context->template_basedir;
$tags = $this->tags;
$basecode = "<?php echo static::\$conf['base_url']; ?>";
// get the template base directory
$template_directory = $basecode . $context->conf['tpl_dir'] . $context->template_basedir;
// reduce the path
$path = str_replace( "://", "@not_replace@", $template_directory );
$path = preg_replace( "#(/+)#", "/", $path );
$path = preg_replace( "#(/\./+)#", "/", $path );
$path = str_replace( "@not_replace@", "://", $path );
while( preg_match( '#\.\./#', $path ) ){
$path = preg_replace('#\w+/\.\./#', '', $path );
}
$exp = $sub = array();
if( in_array( "img", $tags ) ){
$exp = array( '/<img(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<img(.*?)src=(?:")([^"]+?)#(?:")/i', '/<img(.*?)src="(.*?)"/', '/<img(.*?)src=(?:\@)([^"]+?)(?:\@)/i' );
$sub = array( '<img$1src=@$2://$3@', '<img$1src=@$2@', '<img$1src="' . $path . '$2"', '<img$1src="$2"' );
}
if( in_array( "script", $tags ) ){
$exp = array_merge( $exp , array( '/<script(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<script(.*?)src=(?:")([^"]+?)#(?:")/i', '/<script(.*?)src="(.*?)"/', '/<script(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
$sub = array_merge( $sub , array( '<script$1src=@$2://$3@', '<script$1src=@$2@', '<script$1src="' . $path . '$2"', '<script$1src="$2"' ) );
}
if( in_array( "link", $tags ) ){
$exp = array_merge( $exp , array( '/<link(.*?)href=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<link(.*?)href=(?:")([^"]+?)#(?:")/i', '/<link(.*?)href="(.*?)"/', '/<link(.*?)href=(?:\@)([^"]+?)(?:\@)/i' ) );
$sub = array_merge( $sub , array( '<link$1href=@$2://$3@', '<link$1href=@$2@' , '<link$1href="' . $path . '$2"', '<link$1href="$2"' ) );
}
if( in_array( "a", $tags ) ){
$exp = array_merge( $exp , array( '/<a(.*?)href=(?:")(http:\/\/|https:\/\/|javascript:|mailto:|\/|{)([^"]+?)(?:")/i','/<a(.*?)href="(.*?)"/', '/<a(.*?)href=(?:\@)([^"]+?)(?:\@)/i'));
$sub = array_merge( $sub , array( '<a$1href=@$2$3@', '<a$1href="' . $basecode . '$2"', '<a$1href="$2"' ) );
}
if( in_array( "input", $tags ) ){
$exp = array_merge( $exp , array( '/<input(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<input(.*?)src=(?:")([^"]+?)#(?:")/i', '/<input(.*?)src="(.*?)"/', '/<input(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
$sub = array_merge( $sub , array( '<input$1src=@$2://$3@', '<input$1src=@$2@', '<input$1src="' . $path . '$2"', '<input$1src="$2"' ) );
}
$context->code = preg_replace( $exp, $sub, $html );
}
public function setTags($tags) {
$this->tags = (array) $tags;
return $this;
}
}
|
