|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
You may not change or alter any portion of this comment or credits |
|
4
|
|
|
of supporting developers from this source code or any supporting source code |
|
5
|
|
|
which is considered copyrighted (c) material of the original comment or credit authors. |
|
6
|
|
|
|
|
7
|
|
|
This program is distributed in the hope that it will be useful, |
|
8
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
9
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Xoops\Core\Text\Sanitizer\Extensions; |
|
13
|
|
|
|
|
14
|
|
|
use Xoops\Core\Text\Sanitizer; |
|
15
|
|
|
use Xoops\Core\Text\Sanitizer\FilterAbstract; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* TextSanitizer filter - clean up HTML text |
|
19
|
|
|
* |
|
20
|
|
|
* @category Sanitizer |
|
21
|
|
|
* @package Xoops\Core\Text |
|
22
|
|
|
* @author Richard Griffith <[email protected]> |
|
23
|
|
|
* @copyright 2015-2016 XOOPS Project (http://xoops.org) |
|
24
|
|
|
* @license GNU GPL 2 (http://www.gnu.org/licenses/gpl-2.0.html) |
|
25
|
|
|
* @link http://xoops.org |
|
26
|
|
|
*/ |
|
27
|
|
|
class Embed extends FilterAbstract |
|
28
|
|
|
{ |
|
29
|
|
|
/** |
|
30
|
|
|
* @var array default configuration values |
|
31
|
|
|
*/ |
|
32
|
|
|
protected static $defaultConfiguration = [ |
|
33
|
|
|
'enabled' => true, |
|
34
|
|
|
'cache_time' => 15552000, // 180 days in seconds |
|
35
|
|
|
]; |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Make and URL's in the text clickable links |
|
39
|
|
|
* |
|
40
|
|
|
* @param string $text text string to filter |
|
41
|
|
|
* |
|
42
|
|
|
* @return mixed |
|
43
|
|
|
*/ |
|
44
|
15 |
|
public function applyFilter($text) |
|
45
|
|
|
{ |
|
46
|
15 |
|
if (!$this->config['enabled']) { |
|
47
|
|
|
return $text; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
15 |
|
$pattern = '/^(https?:\/\/([\p{L}\p{N}]{1,}\.){1,}[\p{L}\p{N}]{2,}[\/\?\.\-_&=:#\p{L}\p{N}]{0,})$/m'; |
|
51
|
|
|
|
|
52
|
15 |
|
$text = preg_replace_callback( |
|
53
|
15 |
|
$pattern, |
|
54
|
15 |
|
[$this, 'decorateUrl'], |
|
55
|
|
|
$text |
|
56
|
|
|
); |
|
57
|
|
|
|
|
58
|
15 |
|
return $text; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* decorate a bare url with the help of embed/embed |
|
63
|
|
|
* |
|
64
|
|
|
* @param string $match string to be truncated |
|
65
|
|
|
* |
|
66
|
|
|
* @return string |
|
67
|
|
|
*/ |
|
68
|
|
|
protected function decorateUrl($match) { |
|
69
|
|
|
$url = $match[1]; |
|
70
|
|
|
$decorated = null; |
|
|
|
|
|
|
71
|
|
|
$xoops = \Xoops::getInstance(); |
|
72
|
|
|
$md5 = md5($url); |
|
73
|
|
|
$crc = hash("crc32b", $url); |
|
74
|
|
|
$key = implode('/', ['embed', substr($crc, -2), $md5]); |
|
75
|
|
|
//$xoops->cache()->delete($key); |
|
76
|
|
|
$decorated = $xoops->cache()->cacheRead( |
|
77
|
|
|
$key, |
|
78
|
|
|
function ($url) { |
|
79
|
|
|
$return = null; |
|
80
|
|
|
try { |
|
81
|
|
|
$info = \Embed\Embed::create($url); |
|
82
|
|
|
} catch (\Exception $e) { |
|
83
|
|
|
$info = null; |
|
84
|
|
|
} |
|
85
|
|
|
if (is_object($info)) { |
|
86
|
|
|
$return = $info->code; |
|
87
|
|
|
if (empty($return)) { |
|
88
|
|
|
return $this->mediaBox($info->url, $info->image, $info->title, $info->description); |
|
89
|
|
|
} |
|
90
|
|
|
$height = $info->getHeight(); |
|
91
|
|
|
$width = $info->getWidth(); |
|
92
|
|
|
if ($this->enableResponsive($return) && !empty($height) && !empty($width)) { |
|
93
|
|
|
$ratio = (1.5 > ($width/$height)) ? '4by3' : '16by9'; |
|
94
|
|
|
$return = '<div class="embed-responsive embed-responsive-' . $ratio . '">' . $return . '</div>'; |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
if (empty($return)) { |
|
98
|
|
|
$return = $url; |
|
99
|
|
|
} |
|
100
|
|
|
return $return; |
|
101
|
|
|
}, |
|
102
|
|
|
$this->config['cache_time'], |
|
103
|
|
|
$url |
|
104
|
|
|
); |
|
105
|
|
|
return $decorated; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
protected function mediaBox($link, $imageSrc, $title, $description) |
|
109
|
|
|
{ |
|
110
|
|
|
$htmlTemplate = <<<'EOT' |
|
111
|
|
|
<div class="media"> |
|
112
|
|
|
<a class="pull-left" href="%1$s" rel="external"> |
|
113
|
|
|
<img src="%2$s" class="media-object" style="max-height: 128px; max-width: 128px;"> |
|
114
|
|
|
</a> |
|
115
|
|
|
<div class="media-body"> |
|
116
|
|
|
<h4 class="media-heading">%3$s</h4> |
|
117
|
|
|
%4$s |
|
118
|
|
|
</div> |
|
119
|
|
|
</div> |
|
120
|
|
|
EOT; |
|
121
|
|
|
|
|
122
|
|
|
if(empty($imageSrc)) { |
|
123
|
|
|
$imageSrc = \Xoops::getInstance()->url('media/xoops/images/icons/link-ext.svg'); |
|
124
|
|
|
} |
|
125
|
|
|
$box = sprintf($htmlTemplate, $link, $imageSrc, $title, $description); |
|
126
|
|
|
return $box; |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* Check for know issues if wrapped in embed-responsive div |
|
131
|
|
|
* |
|
132
|
|
|
* @param string $code embed code to stest |
|
133
|
|
|
* |
|
134
|
|
|
* @return bool true if responsive should be enabled, false otherwise |
|
135
|
|
|
*/ |
|
136
|
|
|
protected function enableResponsive($code) |
|
137
|
|
|
{ |
|
138
|
|
|
// sites in this list are known to have problems |
|
139
|
|
|
$excludeList = [ |
|
140
|
|
|
'circuitlab.com', |
|
141
|
|
|
]; |
|
142
|
|
|
|
|
143
|
|
|
foreach ($excludeList as $test) { |
|
144
|
|
|
if (false !== stripos($code, $test)) { |
|
145
|
|
|
return false; |
|
146
|
|
|
} |
|
147
|
|
|
} |
|
148
|
|
|
return true; |
|
149
|
|
|
} |
|
150
|
|
|
} |
|
151
|
|
|
|
XOOPS /
XoopsCore
Loading history...