1 |
efrain |
1 |
<?php
|
|
|
2 |
// This file is part of Moodle - http://moodle.org/
|
|
|
3 |
//
|
|
|
4 |
// Moodle is free software: you can redistribute it and/or modify
|
|
|
5 |
// it under the terms of the GNU General Public License as published by
|
|
|
6 |
// the Free Software Foundation, either version 3 of the License, or
|
|
|
7 |
// (at your option) any later version.
|
|
|
8 |
//
|
|
|
9 |
// Moodle is distributed in the hope that it will be useful,
|
|
|
10 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
11 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
12 |
// GNU General Public License for more details.
|
|
|
13 |
//
|
|
|
14 |
// You should have received a copy of the GNU General Public License
|
|
|
15 |
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
16 |
|
|
|
17 |
require_once(__DIR__ .'/../xmlbase.php');
|
|
|
18 |
require_once('cssparser.php');
|
|
|
19 |
require_once('pathutils.php');
|
|
|
20 |
|
|
|
21 |
/**
|
|
|
22 |
*
|
|
|
23 |
* Older version better suited for PHP < 5.2
|
|
|
24 |
* @deprecated
|
|
|
25 |
* @param mixed $url
|
|
|
26 |
* @return boolean
|
|
|
27 |
*/
|
|
|
28 |
function is_url_deprecated($url) {
|
|
|
29 |
if (
|
|
|
30 |
!preg_match('#^http\\:\\/\\/[a-z0-9\-]+\.([a-z0-9\-]+\.)?[a-z]+#i', $url) &&
|
|
|
31 |
!preg_match('#^https\\:\\/\\/[a-z0-9\-]+\.([a-z0-9\-]+\.)?[a-z]+#i', $url) &&
|
|
|
32 |
!preg_match('#^ftp\\:\\/\\/[a-z0-9\-]+\.([a-z0-9\-]+\.)?[a-z]+#i', $url)
|
|
|
33 |
) {
|
|
|
34 |
$status = false;
|
|
|
35 |
} else {
|
|
|
36 |
$status = true;
|
|
|
37 |
}
|
|
|
38 |
return $status;
|
|
|
39 |
}
|
|
|
40 |
|
|
|
41 |
/**
|
|
|
42 |
*
|
|
|
43 |
* validates URL
|
|
|
44 |
* @param string $url
|
|
|
45 |
* @return boolean
|
|
|
46 |
*/
|
|
|
47 |
function is_url($url) {
|
|
|
48 |
$result = filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED) !== false;
|
|
|
49 |
return $result;
|
|
|
50 |
}
|
|
|
51 |
|
|
|
52 |
function GetDepFiles($manifestroot, $fname, $folder, &$filenames) {
|
|
|
53 |
static $types = array('xhtml' => true, 'html' => true, 'htm' => true);
|
|
|
54 |
$extension = strtolower(trim(pathinfo($fname, PATHINFO_EXTENSION)));
|
|
|
55 |
$filenames = array();
|
|
|
56 |
if (isset($types[$extension])) {
|
|
|
57 |
$dcx = new XMLGenericDocument();
|
|
|
58 |
$filename = $manifestroot.$folder.$fname;
|
|
|
59 |
if (!file_exists($filename)) {
|
|
|
60 |
$filename = $manifestroot.DIRECTORY_SEPARATOR.$folder.DIRECTORY_SEPARATOR.$fname;
|
|
|
61 |
}
|
|
|
62 |
if (file_exists($filename)) {
|
|
|
63 |
$res = $dcx->loadHTMLFile($filename);
|
|
|
64 |
if ($res) {
|
|
|
65 |
GetDepFilesHTML($manifestroot, $fname, $filenames, $dcx, $folder);
|
|
|
66 |
}
|
|
|
67 |
}
|
|
|
68 |
}
|
|
|
69 |
}
|
|
|
70 |
|
|
|
71 |
function GetDepFilesHTML($manifestroot, $fname, &$filenames, &$dcx, $folder) {
|
|
|
72 |
$dcx->resetXpath();
|
|
|
73 |
$nlist = $dcx->nodeList("//img/@src | //link/@href | //script/@src | //a[not(starts-with(@href,'#'))]/@href");
|
|
|
74 |
$css_obj_array = array();
|
|
|
75 |
foreach ($nlist as $nl) {
|
|
|
76 |
$item = $folder.$nl->nodeValue;
|
|
|
77 |
$path_parts = pathinfo($item);
|
|
|
78 |
$fname = $path_parts['basename'];
|
|
|
79 |
$ext = array_key_exists('extension', $path_parts) ? $path_parts['extension'] : '';
|
|
|
80 |
if (!is_url($folder.$nl->nodeValue) && !is_url($nl->nodeValue)) {
|
|
|
81 |
$path = $folder.$nl->nodeValue;
|
|
|
82 |
$file = fullPath($path, "/");
|
|
|
83 |
toNativePath($file);
|
|
|
84 |
if (file_exists($manifestroot.DIRECTORY_SEPARATOR.$file)) {
|
|
|
85 |
$filenames[$file] = $file;
|
|
|
86 |
}
|
|
|
87 |
}
|
|
|
88 |
if ($ext == 'css') {
|
|
|
89 |
$css = new cssparser();
|
|
|
90 |
$css->Parse($dcx->filePath().$nl->nodeValue);
|
|
|
91 |
$css_obj_array[$item] = $css;
|
|
|
92 |
}
|
|
|
93 |
}
|
|
|
94 |
$nlist = $dcx->nodeList("//*/@class");
|
|
|
95 |
foreach ($nlist as $nl) {
|
|
|
96 |
$item = $folder.$nl->nodeValue;
|
|
|
97 |
foreach ($css_obj_array as $csskey => $cssobj) {
|
|
|
98 |
$bimg = $cssobj->Get($item, "background-image");
|
|
|
99 |
$limg = $cssobj->Get($item, "list-style-image");
|
|
|
100 |
$npath = pathinfo($csskey);
|
|
|
101 |
if ((!empty($bimg)) && ($bimg != 'none')) {
|
|
|
102 |
$value = stripUrl($bimg, $npath['dirname'].'/');
|
|
|
103 |
$filenames[$value] = $value;
|
|
|
104 |
} else if ((!empty($limg)) && ($limg != 'none')) {
|
|
|
105 |
$value = stripUrl($limg, $npath['dirname'].'/');
|
|
|
106 |
$filenames[$value] = $value;
|
|
|
107 |
}
|
|
|
108 |
}
|
|
|
109 |
}
|
|
|
110 |
$elems_to_check = array("body", "p", "ul", "h4", "a", "th");
|
|
|
111 |
$do_we_have_it = array();
|
|
|
112 |
foreach ($elems_to_check as $elem) {
|
|
|
113 |
$do_we_have_it[$elem] = ($dcx->nodeList("//".$elem)->length > 0);
|
|
|
114 |
}
|
|
|
115 |
foreach ($elems_to_check as $elem) {
|
|
|
116 |
if ($do_we_have_it[$elem]) {
|
|
|
117 |
foreach ($css_obj_array as $csskey => $cssobj) {
|
|
|
118 |
$sb = $cssobj->Get($elem, "background-image");
|
|
|
119 |
$sbl = $cssobj->Get($elem, "list-style-image");
|
|
|
120 |
$npath = pathinfo($csskey);
|
|
|
121 |
if ((!empty($sb)) && ($sb != 'none')) {
|
|
|
122 |
$value = stripUrl($sb, $npath['dirname'].'/');
|
|
|
123 |
$filenames[$value] = $value;
|
|
|
124 |
} else if ((!empty($sbl)) && ($sbl != 'none')) {
|
|
|
125 |
$value = stripUrl($sbl, $npath['dirname'].'/');
|
|
|
126 |
$filenames[$value] = $value;
|
|
|
127 |
}
|
|
|
128 |
}
|
|
|
129 |
}
|
|
|
130 |
}
|
|
|
131 |
}
|