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1 | <?php | |
2 | /** | |
3 | * poche, a read it later open source system | |
4 | * | |
5 | * @category poche | |
6 | * @author Nicolas Lœuillet <support@inthepoche.com> | |
7 | * @copyright 2013 | |
8 | * @license http://www.wtfpl.net/ see COPYING file | |
9 | */ | |
10 | ||
11 | /** | |
12 | * On modifie les URLS des images dans le corps de l'article | |
13 | */ | |
14 | function filtre_picture($content, $url, $id) | |
15 | { | |
16 | $matches = array(); | |
17 | preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); | |
18 | foreach($matches as $i => $link) | |
19 | { | |
20 | $link[1] = trim($link[1]); | |
21 | if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) ) | |
22 | { | |
23 | $absolute_path = get_absolute_link($link[2],$url); | |
24 | $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); | |
25 | $directory = create_assets_directory($id); | |
26 | $fullpath = $directory . '/' . $filename; | |
27 | download_pictures($absolute_path, $fullpath); | |
28 | $content = str_replace($matches[$i][2], $fullpath, $content); | |
29 | } | |
30 | ||
31 | } | |
32 | ||
33 | return $content; | |
34 | } | |
35 | ||
36 | /** | |
37 | * Retourne le lien absolu | |
38 | */ | |
39 | function get_absolute_link($relative_link, $url) | |
40 | { | |
41 | /* return if already absolute URL */ | |
42 | if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link; | |
43 | ||
44 | /* queries and anchors */ | |
45 | if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link; | |
46 | ||
47 | /* parse base URL and convert to local variables: | |
48 | $scheme, $host, $path */ | |
49 | extract(parse_url($url)); | |
50 | ||
51 | /* remove non-directory element from path */ | |
52 | $path = preg_replace('#/[^/]*$#', '', $path); | |
53 | ||
54 | /* destroy path if relative url points to root */ | |
55 | if ($relative_link[0] == '/') $path = ''; | |
56 | ||
57 | /* dirty absolute URL */ | |
58 | $abs = $host . $path . '/' . $relative_link; | |
59 | ||
60 | /* replace '//' or '/./' or '/foo/../' with '/' */ | |
61 | $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); | |
62 | for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} | |
63 | ||
64 | /* absolute URL is ready! */ | |
65 | return $scheme.'://'.$abs; | |
66 | } | |
67 | ||
68 | /** | |
69 | * Téléchargement des images | |
70 | */ | |
71 | ||
72 | function download_pictures($absolute_path, $fullpath) | |
73 | { | |
74 | $rawdata = get_external_file($absolute_path); | |
75 | ||
76 | if(file_exists($fullpath)) { | |
77 | unlink($fullpath); | |
78 | } | |
79 | $fp = fopen($fullpath, 'x'); | |
80 | fwrite($fp, $rawdata); | |
81 | fclose($fp); | |
82 | } | |
83 | ||
84 | /** | |
85 | * Crée un répertoire de médias pour l'article | |
86 | */ | |
87 | function create_assets_directory($id) | |
88 | { | |
89 | $assets_path = ABS_PATH; | |
90 | if(!is_dir($assets_path)) { | |
91 | mkdir($assets_path, 0705); | |
92 | } | |
93 | ||
94 | $article_directory = $assets_path . $id; | |
95 | if(!is_dir($article_directory)) { | |
96 | mkdir($article_directory, 0705); | |
97 | } | |
98 | ||
99 | return $article_directory; | |
100 | } | |
101 | ||
102 | /** | |
103 | * Suppression du répertoire d'images | |
104 | */ | |
105 | function remove_directory($directory) | |
106 | { | |
107 | if(is_dir($directory)) { | |
108 | $files = array_diff(scandir($directory), array('.','..')); | |
109 | foreach ($files as $file) { | |
110 | (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file"); | |
111 | } | |
112 | return rmdir($directory); | |
113 | } | |
114 | } |