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author | Nicolas Lœuillet <nicolas.loeuillet@smile.fr> | 2014-10-10 13:33:54 +0200 |
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committer | Nicolas Lœuillet <nicolas.loeuillet@smile.fr> | 2014-10-10 13:33:54 +0200 |
commit | 44d35257e805856b4913c63fcbed3c0acb64bae8 (patch) | |
tree | 11e9d276c34b1b287706cb61182bdc71729661e2 /inc/poche/pochePictures.php | |
parent | af8292c1de1886cd975d79f0f42df40e0bd1c5bd (diff) | |
parent | cf8a5e1eedbed484dbcb1ddc9f7a13fc19b7a27b (diff) | |
download | wallabag-1.8.0.tar.gz wallabag-1.8.0.tar.zst wallabag-1.8.0.zip |
Merge branch 'dev'1.8.0
Diffstat (limited to 'inc/poche/pochePictures.php')
-rw-r--r-- | inc/poche/pochePictures.php | 262 |
1 files changed, 136 insertions, 126 deletions
diff --git a/inc/poche/pochePictures.php b/inc/poche/pochePictures.php index 7c319a85..52394c70 100644 --- a/inc/poche/pochePictures.php +++ b/inc/poche/pochePictures.php | |||
@@ -5,154 +5,164 @@ | |||
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 | 12 | final class Picture |
13 | */ | ||
14 | function filtre_picture($content, $url, $id) | ||
15 | { | 13 | { |
16 | $matches = array(); | 14 | /** |
17 | $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice | 15 | * Changing pictures URL in article content |
18 | preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); | 16 | */ |
19 | foreach($matches as $i => $link) { | 17 | public static function filterPicture($content, $url, $id) |
20 | $link[1] = trim($link[1]); | 18 | { |
21 | if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) { | 19 | $matches = array(); |
22 | $absolute_path = get_absolute_link($link[2],$url); | 20 | $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice |
23 | $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); | 21 | preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); |
24 | $directory = create_assets_directory($id); | 22 | foreach($matches as $i => $link) { |
25 | $fullpath = $directory . '/' . $filename; | 23 | $link[1] = trim($link[1]); |
26 | 24 | if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) { | |
27 | if (in_array($absolute_path, $processing_pictures) === true) { | 25 | $absolute_path = self::_getAbsoluteLink($link[2], $url); |
28 | // replace picture's URL only if processing is OK : already processing -> go to next picture | 26 | $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); |
29 | continue; | 27 | $directory = self::_createAssetsDirectory($id); |
28 | $fullpath = $directory . '/' . $filename; | ||
29 | |||
30 | if (in_array($absolute_path, $processing_pictures) === true) { | ||
31 | // replace picture's URL only if processing is OK : already processing -> go to next picture | ||
32 | continue; | ||
33 | } | ||
34 | |||
35 | if (self::_downloadPictures($absolute_path, $fullpath) === true) { | ||
36 | $content = str_replace($matches[$i][2], Tools::getPocheUrl() . $fullpath, $content); | ||
37 | } | ||
38 | |||
39 | $processing_pictures[] = $absolute_path; | ||
30 | } | 40 | } |
31 | |||
32 | if (download_pictures($absolute_path, $fullpath) === true) { | ||
33 | $content = str_replace($matches[$i][2], $fullpath, $content); | ||
34 | } | ||
35 | |||
36 | $processing_pictures[] = $absolute_path; | ||
37 | } | 41 | } |
38 | 42 | ||
43 | return $content; | ||
39 | } | 44 | } |
40 | 45 | ||
41 | return $content; | 46 | /** |
42 | } | 47 | * Get absolute URL |
48 | */ | ||
49 | private static function _getAbsoluteLink($relativeLink, $url) | ||
50 | { | ||
51 | /* return if already absolute URL */ | ||
52 | if (parse_url($relativeLink, PHP_URL_SCHEME) != '') return $relativeLink; | ||
43 | 53 | ||
44 | /** | 54 | /* queries and anchors */ |
45 | * Retourne le lien absolu | 55 | if ($relativeLink[0]=='#' || $relativeLink[0]=='?') return $url . $relativeLink; |
46 | */ | ||
47 | function get_absolute_link($relative_link, $url) { | ||
48 | /* return if already absolute URL */ | ||
49 | if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link; | ||
50 | 56 | ||
51 | /* queries and anchors */ | 57 | /* parse base URL and convert to local variables: |
52 | if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link; | 58 | $scheme, $host, $path */ |
59 | extract(parse_url($url)); | ||
53 | 60 | ||
54 | /* parse base URL and convert to local variables: | 61 | /* remove non-directory element from path */ |
55 | $scheme, $host, $path */ | 62 | $path = preg_replace('#/[^/]*$#', '', $path); |
56 | extract(parse_url($url)); | ||
57 | 63 | ||
58 | /* remove non-directory element from path */ | 64 | /* destroy path if relative url points to root */ |
59 | $path = preg_replace('#/[^/]*$#', '', $path); | 65 | if ($relativeLink[0] == '/') $path = ''; |
60 | 66 | ||
61 | /* destroy path if relative url points to root */ | 67 | /* dirty absolute URL */ |
62 | if ($relative_link[0] == '/') $path = ''; | 68 | $abs = $host . $path . '/' . $relativeLink; |
63 | 69 | ||
64 | /* dirty absolute URL */ | 70 | /* replace '//' or '/./' or '/foo/../' with '/' */ |
65 | $abs = $host . $path . '/' . $relative_link; | 71 | $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); |
72 | for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} | ||
66 | 73 | ||
67 | /* replace '//' or '/./' or '/foo/../' with '/' */ | 74 | /* absolute URL is ready! */ |
68 | $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); | 75 | return $scheme.'://'.$abs; |
69 | for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} | 76 | } |
70 | 77 | ||
71 | /* absolute URL is ready! */ | 78 | /** |
72 | return $scheme.'://'.$abs; | 79 | * Downloading pictures |
73 | } | 80 | * |
81 | * @return bool true if the download and processing is OK, false else | ||
82 | */ | ||
83 | private static function _downloadPictures($absolute_path, $fullpath) | ||
84 | { | ||
85 | $rawdata = Tools::getFile($absolute_path); | ||
86 | $fullpath = urldecode($fullpath); | ||
87 | |||
88 | if(file_exists($fullpath)) { | ||
89 | unlink($fullpath); | ||
90 | } | ||
74 | 91 | ||
75 | /** | 92 | // check extension |
76 | * Téléchargement des images | 93 | $file_ext = strrchr($fullpath, '.'); |
77 | * | 94 | $whitelist = array(".jpg",".jpeg",".gif",".png"); |
78 | * @return bool true if the download and processing is OK, false else | 95 | if (!(in_array($file_ext, $whitelist))) { |
79 | */ | 96 | Tools::logm('processed image with not allowed extension. Skipping ' . $fullpath); |
80 | function download_pictures($absolute_path, $fullpath) | 97 | return false; |
81 | { | 98 | } |
82 | $rawdata = Tools::getFile($absolute_path); | ||
83 | $fullpath = urldecode($fullpath); | ||
84 | 99 | ||
85 | if(file_exists($fullpath)) { | 100 | // check headers |
86 | unlink($fullpath); | 101 | $imageinfo = getimagesize($absolute_path); |
87 | } | 102 | if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg'&& $imageinfo['mime'] != 'image/jpg'&& $imageinfo['mime'] != 'image/png') { |
88 | 103 | Tools::logm('processed image with bad header. Skipping ' . $fullpath); | |
89 | // check extension | 104 | return false; |
90 | $file_ext = strrchr($fullpath, '.'); | 105 | } |
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 | 106 | ||
128 | /** | 107 | // regenerate image |
129 | * Crée un répertoire de médias pour l'article | 108 | $im = imagecreatefromstring($rawdata); |
130 | */ | 109 | if ($im === false) { |
131 | function create_assets_directory($id) | 110 | Tools::logm('error while regenerating image ' . $fullpath); |
132 | { | 111 | return false; |
133 | $assets_path = ABS_PATH; | 112 | } |
134 | if(!is_dir($assets_path)) { | 113 | |
135 | mkdir($assets_path, 0715); | 114 | switch ($imageinfo['mime']) { |
136 | } | 115 | case 'image/gif': |
116 | $result = imagegif($im, $fullpath); | ||
117 | break; | ||
118 | case 'image/jpeg': | ||
119 | case 'image/jpg': | ||
120 | $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY); | ||
121 | break; | ||
122 | case 'image/png': | ||
123 | $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9)); | ||
124 | break; | ||
125 | } | ||
126 | imagedestroy($im); | ||
137 | 127 | ||
138 | $article_directory = $assets_path . $id; | 128 | return $result; |
139 | if(!is_dir($article_directory)) { | ||
140 | mkdir($article_directory, 0715); | ||
141 | } | 129 | } |
142 | 130 | ||
143 | return $article_directory; | 131 | /** |
144 | } | 132 | * Create a directory for an article |
133 | * | ||
134 | * @param $id ID of the article | ||
135 | * @return string | ||
136 | */ | ||
137 | private static function _createAssetsDirectory($id) | ||
138 | { | ||
139 | $assets_path = ABS_PATH; | ||
140 | if (!is_dir($assets_path)) { | ||
141 | mkdir($assets_path, 0715); | ||
142 | } | ||
145 | 143 | ||
146 | /** | 144 | $article_directory = $assets_path . $id; |
147 | * Suppression du répertoire d'images | 145 | if (!is_dir($article_directory)) { |
148 | */ | 146 | mkdir($article_directory, 0715); |
149 | function remove_directory($directory) | 147 | } |
150 | { | 148 | |
151 | if(is_dir($directory)) { | 149 | return $article_directory; |
152 | $files = array_diff(scandir($directory), array('.','..')); | 150 | } |
153 | foreach ($files as $file) { | 151 | |
154 | (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file"); | 152 | /** |
153 | * Remove the directory | ||
154 | * | ||
155 | * @param $directory | ||
156 | * @return bool | ||
157 | */ | ||
158 | public static function removeDirectory($directory) | ||
159 | { | ||
160 | if (is_dir($directory)) { | ||
161 | $files = array_diff(scandir($directory), array('.','..')); | ||
162 | foreach ($files as $file) { | ||
163 | (is_dir("$directory/$file")) ? self::removeDirectory("$directory/$file") : unlink("$directory/$file"); | ||
164 | } | ||
165 | return rmdir($directory); | ||
155 | } | 166 | } |
156 | return rmdir($directory); | ||
157 | } | 167 | } |
158 | } | 168 | } \ No newline at end of file |