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-rw-r--r--inc/poche/pochePictures.php267
1 files changed, 141 insertions, 126 deletions
diff --git a/inc/poche/pochePictures.php b/inc/poche/pochePictures.php
index 7c319a85..26bf0706 100644
--- a/inc/poche/pochePictures.php
+++ b/inc/poche/pochePictures.php
@@ -5,154 +5,169 @@
5 * @category wallabag 5 * @category wallabag
6 * @author Nicolas Lœuillet <nicolas@loeuillet.org> 6 * @author Nicolas Lœuillet <nicolas@loeuillet.org>
7 * @copyright 2013 7 * @copyright 2013
8 * @license http://www.wtfpl.net/ see COPYING file 8 * @license http://opensource.org/licenses/MIT see COPYING file
9 */ 9 */
10 10
11/** 11
12 * On modifie les URLS des images dans le corps de l'article 12final class Picture
13 */
14function filtre_picture($content, $url, $id)
15{ 13{
16 $matches = array(); 14 private function __construct()
17 $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice 15 {
18 preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); 16
19 foreach($matches as $i => $link) { 17 }
20 $link[1] = trim($link[1]); 18
21 if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) { 19 /**
22 $absolute_path = get_absolute_link($link[2],$url); 20 * Changing pictures URL in article content
23 $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); 21 */
24 $directory = create_assets_directory($id); 22 public static function filterPicture($content, $url, $id)
25 $fullpath = $directory . '/' . $filename; 23 {
26 24 $matches = array();
27 if (in_array($absolute_path, $processing_pictures) === true) { 25 $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice
28 // replace picture's URL only if processing is OK : already processing -> go to next picture 26 preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER);
29 continue; 27 foreach($matches as $i => $link) {
30 } 28 $link[1] = trim($link[1]);
31 29 if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) {
32 if (download_pictures($absolute_path, $fullpath) === true) { 30 $absolute_path = self::_getAbsoluteLink($link[2], $url);
33 $content = str_replace($matches[$i][2], $fullpath, $content); 31 $filename = basename(parse_url($absolute_path, PHP_URL_PATH));
32 $directory = self::_createAssetsDirectory($id);
33 $fullpath = $directory . '/' . $filename;
34
35 if (in_array($absolute_path, $processing_pictures) === true) {
36 // replace picture's URL only if processing is OK : already processing -> go to next picture
37 continue;
38 }
39
40 if (self::_downloadPictures($absolute_path, $fullpath) === true) {
41 $content = str_replace($matches[$i][2], $fullpath, $content);
42 }
43
44 $processing_pictures[] = $absolute_path;
34 } 45 }
35
36 $processing_pictures[] = $absolute_path;
37 } 46 }
38 47
48 return $content;
39 } 49 }
40 50
41 return $content; 51 /**
42} 52 * Get absolute URL
53 */
54 private static function _getAbsoluteLink($relativeLink, $url)
55 {
56 /* return if already absolute URL */
57 if (parse_url($relativeLink, PHP_URL_SCHEME) != '') return $relativeLink;
43 58
44/** 59 /* queries and anchors */
45 * Retourne le lien absolu 60 if ($relativeLink[0]=='#' || $relativeLink[0]=='?') return $url . $relativeLink;
46 */
47function get_absolute_link($relative_link, $url) {
48 /* return if already absolute URL */
49 if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link;
50 61
51 /* queries and anchors */ 62 /* parse base URL and convert to local variables:
52 if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link; 63 $scheme, $host, $path */
64 extract(parse_url($url));
53 65
54 /* parse base URL and convert to local variables: 66 /* remove non-directory element from path */
55 $scheme, $host, $path */ 67 $path = preg_replace('#/[^/]*$#', '', $path);
56 extract(parse_url($url));
57 68
58 /* remove non-directory element from path */ 69 /* destroy path if relative url points to root */
59 $path = preg_replace('#/[^/]*$#', '', $path); 70 if ($relativeLink[0] == '/') $path = '';
60 71
61 /* destroy path if relative url points to root */ 72 /* dirty absolute URL */
62 if ($relative_link[0] == '/') $path = ''; 73 $abs = $host . $path . '/' . $relativeLink;
63 74
64 /* dirty absolute URL */ 75 /* replace '//' or '/./' or '/foo/../' with '/' */
65 $abs = $host . $path . '/' . $relative_link; 76 $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
77 for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {}
66 78
67 /* replace '//' or '/./' or '/foo/../' with '/' */ 79 /* absolute URL is ready! */
68 $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); 80 return $scheme.'://'.$abs;
69 for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} 81 }
70 82
71 /* absolute URL is ready! */ 83 /**
72 return $scheme.'://'.$abs; 84 * Downloading pictures
73} 85 *
86 * @return bool true if the download and processing is OK, false else
87 */
88 private static function _downloadPictures($absolute_path, $fullpath)
89 {
90 $rawdata = Tools::getFile($absolute_path);
91 $fullpath = urldecode($fullpath);
92
93 if(file_exists($fullpath)) {
94 unlink($fullpath);
95 }
74 96
75/** 97 // check extension
76 * Téléchargement des images 98 $file_ext = strrchr($fullpath, '.');
77 * 99 $whitelist = array(".jpg",".jpeg",".gif",".png");
78 * @return bool true if the download and processing is OK, false else 100 if (!(in_array($file_ext, $whitelist))) {
79 */ 101 Tools::logm('processed image with not allowed extension. Skipping ' . $fullpath);
80function download_pictures($absolute_path, $fullpath) 102 return false;
81{ 103 }
82 $rawdata = Tools::getFile($absolute_path);
83 $fullpath = urldecode($fullpath);
84 104
85 if(file_exists($fullpath)) { 105 // check headers
86 unlink($fullpath); 106 $imageinfo = getimagesize($absolute_path);
87 } 107 if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg'&& $imageinfo['mime'] != 'image/jpg'&& $imageinfo['mime'] != 'image/png') {
88 108 Tools::logm('processed image with bad header. Skipping ' . $fullpath);
89 // check extension 109 return false;
90 $file_ext = strrchr($fullpath, '.'); 110 }
91 $whitelist = array(".jpg",".jpeg",".gif",".png");
92 if (!(in_array($file_ext, $whitelist))) {
93 Tools::logm('processed image with not allowed extension. Skipping ' . $fullpath);
94 return false;
95 }
96
97 // check headers
98 $imageinfo = getimagesize($absolute_path);
99 if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg'&& $imageinfo['mime'] != 'image/jpg'&& $imageinfo['mime'] != 'image/png') {
100 Tools::logm('processed image with bad header. Skipping ' . $fullpath);
101 return false;
102 }
103
104 // regenerate image
105 $im = imagecreatefromstring($rawdata);
106 if ($im === false) {
107 Tools::logm('error while regenerating image ' . $fullpath);
108 return false;
109 }
110
111 switch ($imageinfo['mime']) {
112 case 'image/gif':
113 $result = imagegif($im, $fullpath);
114 break;
115 case 'image/jpeg':
116 case 'image/jpg':
117 $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY);
118 break;
119 case 'image/png':
120 $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9));
121 break;
122 }
123 imagedestroy($im);
124
125 return $result;
126}
127 111
128/** 112 // regenerate image
129 * Crée un répertoire de médias pour l'article 113 $im = imagecreatefromstring($rawdata);
130 */ 114 if ($im === false) {
131function create_assets_directory($id) 115 Tools::logm('error while regenerating image ' . $fullpath);
132{ 116 return false;
133 $assets_path = ABS_PATH; 117 }
134 if(!is_dir($assets_path)) { 118
135 mkdir($assets_path, 0715); 119 switch ($imageinfo['mime']) {
136 } 120 case 'image/gif':
121 $result = imagegif($im, $fullpath);
122 break;
123 case 'image/jpeg':
124 case 'image/jpg':
125 $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY);
126 break;
127 case 'image/png':
128 $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9));
129 break;
130 }
131 imagedestroy($im);
137 132
138 $article_directory = $assets_path . $id; 133 return $result;
139 if(!is_dir($article_directory)) {
140 mkdir($article_directory, 0715);
141 } 134 }
142 135
143 return $article_directory; 136 /**
144} 137 * Create a directory for an article
138 *
139 * @param $id ID of the article
140 * @return string
141 */
142 private static function _createAssetsDirectory($id)
143 {
144 $assets_path = ABS_PATH;
145 if (!is_dir($assets_path)) {
146 mkdir($assets_path, 0715);
147 }
145 148
146/** 149 $article_directory = $assets_path . $id;
147 * Suppression du répertoire d'images 150 if (!is_dir($article_directory)) {
148 */ 151 mkdir($article_directory, 0715);
149function remove_directory($directory) 152 }
150{ 153
151 if(is_dir($directory)) { 154 return $article_directory;
152 $files = array_diff(scandir($directory), array('.','..')); 155 }
153 foreach ($files as $file) { 156
154 (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file"); 157 /**
158 * Remove the directory
159 *
160 * @param $directory
161 * @return bool
162 */
163 public static function removeDirectory($directory)
164 {
165 if (is_dir($directory)) {
166 $files = array_diff(scandir($directory), array('.','..'));
167 foreach ($files as $file) {
168 (is_dir("$directory/$file")) ? self::removeDirectory("$directory/$file") : unlink("$directory/$file");
169 }
170 return rmdir($directory);
155 } 171 }
156 return rmdir($directory);
157 } 172 }
158} 173} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 05:56:54 +0000