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abe7e055 | 1 | <?php |
2 | /*************************************************************************** | |
e92ecb8c | 3 | * Copyright (C) 2003-2011 Polytechnique.org * |
abe7e055 | 4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | ***************************************************************************/ | |
21 | ||
22 | /** Class to store per user and per category files | |
23 | */ | |
24 | class PlUpload | |
25 | { | |
285cd12d | 26 | private $hruid; |
abe7e055 | 27 | private $category; |
28 | private $file_id; | |
29 | ||
30 | private $filename; | |
31 | private $type; | |
32 | ||
380d35f4 FB |
33 | static public $lastError; |
34 | ||
abe7e055 | 35 | /** For images |
36 | */ | |
37 | private $x; | |
38 | private $y; | |
39 | ||
285cd12d | 40 | public function __construct($hruid, $category, $filename = null) |
abe7e055 | 41 | { |
42 | $this->file_id = $filename; | |
43 | $this->category = $category; | |
285cd12d | 44 | $this->hruid = $hruid; |
abe7e055 | 45 | $this->filename = $this->makeFilename($this->file_id); |
46 | $this->checkContentType(); | |
47 | } | |
48 | ||
49 | private function makeFilename($file_id) | |
50 | { | |
51 | global $globals; | |
c31c4e6a | 52 | $filename = $globals->spoolroot . '/spool/tmp/'; |
abe7e055 | 53 | if (!file_exists($filename)) { |
54 | if (!mkdir($filename)) { | |
55 | trigger_error('can\'t create upload directory: ' . $filename, E_USER_ERROR); | |
56 | } | |
57 | } | |
285cd12d | 58 | $filename .= $this->hruid . '--' . $this->category; |
abe7e055 | 59 | if ($file_id) { |
fac5d9eb | 60 | $filename .= '--' . $file_id; |
abe7e055 | 61 | } |
62 | return $filename; | |
63 | } | |
64 | ||
65 | private function checkContentType() | |
66 | { | |
67 | if ($this->exists()) { | |
68 | $this->type = trim(mime_content_type($this->filename)); | |
fa3300aa | 69 | if ($this->type == 'text/plain') { // Workaround a bug of php 5.2.0+etch10 (mime_content_type fallback is 'text/plain') |
19ad5b5d | 70 | $this->type = preg_replace('/;.*/', '', trim(shell_exec('file -bi ' . escapeshellarg($this->filename)))); |
fa3300aa | 71 | } |
abe7e055 | 72 | } |
73 | } | |
74 | ||
75 | public function upload(array &$file) | |
76 | { | |
380d35f4 FB |
77 | if (@$file['error']) { |
78 | PlUpload::$lastError = 'Erreur de téléchargement de ' . $file['name'] . ' : '; | |
79 | switch ($file['error']) { | |
80 | case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE: | |
81 | PlUpload::$lastError .= 'le fichier est trop gros (limite : ' . ini_get('upload_max_filesize') . ')'; | |
82 | break; | |
83 | case UPLOAD_ERR_PARTIAL: case UPLOAD_ERR_NO_FILE: | |
84 | PlUpload::$lastError .= 'le fichier n\'a pas été transmis intégralement'; | |
85 | break; | |
86 | default: | |
87 | PlUpload::$lastError .= 'erreur interne'; | |
88 | break; | |
89 | } | |
90 | return false; | |
91 | } | |
abe7e055 | 92 | if (!is_uploaded_file($file['tmp_name'])) { |
93 | return false; | |
94 | } else if (!move_uploaded_file($file['tmp_name'], $this->filename)) { | |
95 | return false; | |
96 | } | |
eaf30d86 | 97 | $this->checkContentType(); |
abe7e055 | 98 | return true; |
99 | } | |
100 | ||
101 | public function copyFrom($filename) | |
102 | { | |
103 | if (!copy($filename, $this->filename)) { | |
104 | return false; | |
105 | } | |
106 | $this->checkContentType(); | |
107 | return true; | |
108 | } | |
109 | ||
110 | public function download($url) | |
111 | { | |
02838718 | 112 | if (!$url || @parse_url($url) === false) { |
113 | trigger_error('malformed URL given', E_USER_NOTICE); | |
114 | return false; | |
115 | } | |
adf0fa21 SJ |
116 | if (file_exists($url)) { |
117 | $data = file_get_contents($url); | |
118 | } else { | |
119 | return false; | |
120 | } | |
abe7e055 | 121 | if (!$data) { |
122 | return false; | |
123 | } | |
124 | if (!file_put_contents($this->filename, $data)) { | |
125 | return false; | |
126 | } | |
127 | $this->checkContentType(); | |
128 | return true; | |
129 | } | |
130 | ||
285cd12d | 131 | static public function &get(array &$file, $hruid, $category, $uniq = false) |
abe7e055 | 132 | { |
285cd12d | 133 | $upload = new PlUpload($hruid, $category, $uniq ? null : $file['name']); |
abe7e055 | 134 | if (!$upload->upload($file)) { |
135 | $upload = null; | |
136 | } | |
137 | return $upload; | |
138 | } | |
139 | ||
140 | public function rm() | |
141 | { | |
142 | @unlink($this->filename); | |
f62bd784 | 143 | @clearstatcache(); |
abe7e055 | 144 | } |
145 | ||
146 | public function rename($fn) | |
147 | { | |
148 | if (!$this->file_id) { | |
149 | return false; | |
150 | } | |
151 | $filename = $this->makeFilename($fn); | |
152 | if (rename($this->filename)) { | |
153 | $this->filename = $filename; | |
154 | $this->file_id = $fn; | |
155 | clearstatcache(); | |
156 | return true; | |
157 | } | |
158 | return false; | |
159 | } | |
160 | ||
161 | public function exists() | |
162 | { | |
163 | return file_exists($this->filename); | |
164 | } | |
165 | ||
285cd12d | 166 | static public function listRawFiles($hruid = '*', $category = '*', $uniq = false, $basename = false) |
abe7e055 | 167 | { |
168 | global $globals; | |
c31c4e6a | 169 | $filename = $globals->spoolroot . '/spool/tmp/'; |
285cd12d | 170 | $filename .= $hruid . '--' . $category; |
da419622 | 171 | if (!$uniq) { |
fac5d9eb | 172 | $filename .= '--*'; |
da419622 | 173 | } |
abe7e055 | 174 | $files = glob($filename); |
175 | if ($basename) { | |
da419622 | 176 | $files = array_map('basename', $files); |
177 | } | |
178 | return $files; | |
179 | } | |
180 | ||
285cd12d | 181 | static public function listFilenames($hruid = '*', $category = '*') |
da419622 | 182 | { |
285cd12d | 183 | $files = PlUpload::listRawFiles($hruid, $category, false, true); |
da419622 | 184 | foreach ($files as &$name) { |
285cd12d | 185 | list($hruid, $cat, $fn) = explode('--', $name, 3); |
da419622 | 186 | $name = $fn; |
abe7e055 | 187 | } |
188 | return $files; | |
189 | } | |
190 | ||
285cd12d | 191 | static public function &listFiles($hruid = '*', $category = '*', $uniq = false) |
da419622 | 192 | { |
193 | $res = array(); | |
285cd12d | 194 | $files = PlUpload::listRawFiles($hruid, $category, $uniq, true); |
da419622 | 195 | foreach ($files as $name) { |
285cd12d VZ |
196 | list($hruid, $cat, $fn) = explode('--', $name, 3); |
197 | $res[$fn] = new PlUpload($hruid, $cat, $fn); | |
da419622 | 198 | } |
199 | return $res; | |
200 | } | |
201 | ||
202 | static public function clear($user = '*', $category = '*', $uniq = false) | |
abe7e055 | 203 | { |
da419622 | 204 | $files = PlUpload::listRawFiles($user, $category, $uniq, false); |
205 | array_map('unlink', $files); | |
abe7e055 | 206 | } |
207 | ||
208 | public function contentType() | |
209 | { | |
210 | return $this->type; | |
211 | } | |
212 | ||
02838718 | 213 | public function isType($type, $subtype = null) |
214 | { | |
215 | list($mytype, $mysubtype) = explode('/', $this->type); | |
216 | if ($mytype != $type || ($subtype && $mysubtype != $subtype)) { | |
217 | return false; | |
218 | } | |
219 | return true; | |
220 | } | |
221 | ||
abe7e055 | 222 | public function imageInfo() |
223 | { | |
02838718 | 224 | static $map; |
225 | if (!isset($map)) { | |
9e1b4320 | 226 | $tmpmap = array (IMG_GIF => 'gif', IMG_JPG => 'jpeg', IMG_PNG => 'png', IMG_WBMP => 'bmp', IMG_XPM => 'xpm'); |
227 | $map = array(); | |
228 | $supported = imagetypes(); | |
229 | foreach ($tmpmap as $type=>$mime) { | |
230 | if ($supported & $type) { | |
231 | $map[$type] = $mime; | |
232 | } | |
233 | } | |
02838718 | 234 | } |
235 | $array = getimagesize($this->filename); | |
236 | $array[2] = @$map[$array[2]]; | |
237 | if (!$array[2]) { | |
ff95a302 FB |
238 | list($image, $type) = explode('/', $array['mime']); |
239 | $array[2] = $type; | |
240 | } | |
241 | if (!$array[2]) { | |
02838718 | 242 | trigger_error('unknown image type', E_USER_NOTICE); |
243 | return null; | |
244 | } | |
245 | return $array; | |
abe7e055 | 246 | } |
247 | ||
248 | public function resizeImage($max_x = -1, $max_y = -1, $min_x = 0, $min_y = 0, $maxsize = -1) | |
249 | { | |
250 | if (!$this->exists() || strpos($this->type, 'image/') !== 0) { | |
251 | trigger_error('not an image', E_USER_NOTICE); | |
252 | return false; | |
253 | } | |
254 | $image_infos = $this->imageInfo(); | |
02838718 | 255 | if (!$image_infos) { |
abe7e055 | 256 | trigger_error('invalid image', E_USER_NOTICE); |
257 | return false; | |
258 | } | |
259 | list($this->x, $this->y, $mimetype) = $image_infos; | |
abe7e055 | 260 | if ($max_x == -1) { |
261 | $max_x = $this->x; | |
262 | } | |
263 | if ($max_y == -1) { | |
264 | $max_y = $this->y; | |
265 | } | |
266 | if ($maxsize == -1) { | |
267 | $maxsize = filesize($this->filename); | |
268 | } | |
269 | if (filesize($this->filename) > $maxsize || $this->x > $max_x || $this->y > $max_y | |
270 | || $this->x < $min_x || $this->y < $min_y) { | |
271 | $img = imagecreatefromstring(file_get_contents($this->filename)); | |
272 | if (!$img) { | |
273 | trigger_error('too large image, can\'t be resized', E_USER_NOTICE); | |
274 | return false; | |
275 | } | |
276 | ||
277 | $nx = $this->x; | |
278 | $ny = $this->y; | |
279 | if ($nx > $max_x) { | |
280 | $ny = intval($ny*$max_x/$nx); | |
281 | $nx = $max_x; | |
282 | } | |
283 | if ($ny > $max_y) { | |
284 | $nx = intval($nx*$max_y/$ny); | |
285 | $ny = $max_y; | |
286 | } | |
287 | if ($nx < $min_x) { | |
288 | $ny = intval($ny*$min_x/$nx); | |
289 | $nx = $min_x; | |
290 | } | |
291 | if ($ny < $min_y) { | |
292 | $nx = intval($nx * $min_y/$ny); | |
293 | $ny = $min_y; | |
294 | } | |
295 | ||
296 | $comp = 90; | |
297 | do { | |
298 | $img2 = imagecreatetruecolor($nx, $ny); | |
299 | imagecopyresampled($img2, $img, 0, 0, 0, 0, $nx, $ny, $this->x, $this->y); | |
300 | imagejpeg($img2, $this->filename, $comp); | |
301 | $comp --; | |
302 | clearstatcache(); | |
303 | } while (filesize($this->filename) > $maxsize && $comp > 0); | |
304 | $this->type = 'image/jpeg'; | |
305 | $this->x = $nx; | |
306 | $this->y = $ny; | |
307 | } | |
308 | return true; | |
309 | } | |
310 | ||
311 | public function getContents() | |
312 | { | |
313 | if ($this->exists()) { | |
314 | return file_get_contents($this->filename); | |
315 | } | |
316 | return null; | |
317 | } | |
318 | } | |
319 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: | |
320 | ?> |