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abe7e055 | 1 | <?php |
2 | /*************************************************************************** | |
179afa7f | 3 | * Copyright (C) 2003-2008 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 | { | |
26 | private $forlife; | |
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 $y; | |
39 | ||
40 | public function __construct($forlife, $category, $filename = null) | |
41 | { | |
42 | $this->file_id = $filename; | |
43 | $this->category = $category; | |
44 | $this->forlife = $forlife; | |
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 | } | |
fac5d9eb | 58 | $filename .= $this->forlife . '--' . $this->category; |
abe7e055 | 59 | if ($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 | } | |
abe7e055 | 116 | $data = file_get_contents($url); |
117 | if (!$data) { | |
118 | return false; | |
119 | } | |
120 | if (!file_put_contents($this->filename, $data)) { | |
121 | return false; | |
122 | } | |
123 | $this->checkContentType(); | |
124 | return true; | |
125 | } | |
126 | ||
127 | static public function &get(array &$file, $forlife, $category, $uniq = false) | |
128 | { | |
129 | $upload = new PlUpload($forlife, $category, $uniq ? null : $file['name']); | |
130 | if (!$upload->upload($file)) { | |
131 | $upload = null; | |
132 | } | |
133 | return $upload; | |
134 | } | |
135 | ||
136 | public function rm() | |
137 | { | |
138 | @unlink($this->filename); | |
f62bd784 | 139 | @clearstatcache(); |
abe7e055 | 140 | } |
141 | ||
142 | public function rename($fn) | |
143 | { | |
144 | if (!$this->file_id) { | |
145 | return false; | |
146 | } | |
147 | $filename = $this->makeFilename($fn); | |
148 | if (rename($this->filename)) { | |
149 | $this->filename = $filename; | |
150 | $this->file_id = $fn; | |
151 | clearstatcache(); | |
152 | return true; | |
153 | } | |
154 | return false; | |
155 | } | |
156 | ||
157 | public function exists() | |
158 | { | |
159 | return file_exists($this->filename); | |
160 | } | |
161 | ||
da419622 | 162 | static public function listRawFiles($forlife = '*', $category = '*', $uniq = false, $basename = false) |
abe7e055 | 163 | { |
164 | global $globals; | |
c31c4e6a | 165 | $filename = $globals->spoolroot . '/spool/tmp/'; |
fac5d9eb | 166 | $filename .= $forlife . '--' . $category; |
da419622 | 167 | if (!$uniq) { |
fac5d9eb | 168 | $filename .= '--*'; |
da419622 | 169 | } |
abe7e055 | 170 | $files = glob($filename); |
171 | if ($basename) { | |
da419622 | 172 | $files = array_map('basename', $files); |
173 | } | |
174 | return $files; | |
175 | } | |
176 | ||
177 | static public function listFilenames($forlife = '*', $category = '*') | |
178 | { | |
179 | $files = PlUpload::listRawFiles($forlife, $category, false, true); | |
180 | foreach ($files as &$name) { | |
fac5d9eb | 181 | list($forlife, $cat, $fn) = explode('--', $name, 3); |
da419622 | 182 | $name = $fn; |
abe7e055 | 183 | } |
184 | return $files; | |
185 | } | |
186 | ||
da419622 | 187 | static public function &listFiles($forlife = '*', $category = '*', $uniq = false) |
188 | { | |
189 | $res = array(); | |
190 | $files = PlUpload::listRawFiles($forlife, $category, $uniq, true); | |
191 | foreach ($files as $name) { | |
fac5d9eb | 192 | list($forlife, $cat, $fn) = explode('--', $name, 3); |
da419622 | 193 | $res[$fn] = new PlUpload($forlife, $cat, $fn); |
194 | } | |
195 | return $res; | |
196 | } | |
197 | ||
198 | static public function clear($user = '*', $category = '*', $uniq = false) | |
abe7e055 | 199 | { |
da419622 | 200 | $files = PlUpload::listRawFiles($user, $category, $uniq, false); |
201 | array_map('unlink', $files); | |
abe7e055 | 202 | } |
203 | ||
204 | public function contentType() | |
205 | { | |
206 | return $this->type; | |
207 | } | |
208 | ||
02838718 | 209 | public function isType($type, $subtype = null) |
210 | { | |
211 | list($mytype, $mysubtype) = explode('/', $this->type); | |
212 | if ($mytype != $type || ($subtype && $mysubtype != $subtype)) { | |
213 | return false; | |
214 | } | |
215 | return true; | |
216 | } | |
217 | ||
abe7e055 | 218 | public function imageInfo() |
219 | { | |
02838718 | 220 | static $map; |
221 | if (!isset($map)) { | |
9e1b4320 | 222 | $tmpmap = array (IMG_GIF => 'gif', IMG_JPG => 'jpeg', IMG_PNG => 'png', IMG_WBMP => 'bmp', IMG_XPM => 'xpm'); |
223 | $map = array(); | |
224 | $supported = imagetypes(); | |
225 | foreach ($tmpmap as $type=>$mime) { | |
226 | if ($supported & $type) { | |
227 | $map[$type] = $mime; | |
228 | } | |
229 | } | |
02838718 | 230 | } |
231 | $array = getimagesize($this->filename); | |
232 | $array[2] = @$map[$array[2]]; | |
233 | if (!$array[2]) { | |
ff95a302 FB |
234 | list($image, $type) = explode('/', $array['mime']); |
235 | $array[2] = $type; | |
236 | } | |
237 | if (!$array[2]) { | |
02838718 | 238 | trigger_error('unknown image type', E_USER_NOTICE); |
239 | return null; | |
240 | } | |
241 | return $array; | |
abe7e055 | 242 | } |
243 | ||
244 | public function resizeImage($max_x = -1, $max_y = -1, $min_x = 0, $min_y = 0, $maxsize = -1) | |
245 | { | |
246 | if (!$this->exists() || strpos($this->type, 'image/') !== 0) { | |
247 | trigger_error('not an image', E_USER_NOTICE); | |
248 | return false; | |
249 | } | |
250 | $image_infos = $this->imageInfo(); | |
02838718 | 251 | if (!$image_infos) { |
abe7e055 | 252 | trigger_error('invalid image', E_USER_NOTICE); |
253 | return false; | |
254 | } | |
255 | list($this->x, $this->y, $mimetype) = $image_infos; | |
abe7e055 | 256 | if ($max_x == -1) { |
257 | $max_x = $this->x; | |
258 | } | |
259 | if ($max_y == -1) { | |
260 | $max_y = $this->y; | |
261 | } | |
262 | if ($maxsize == -1) { | |
263 | $maxsize = filesize($this->filename); | |
264 | } | |
265 | if (filesize($this->filename) > $maxsize || $this->x > $max_x || $this->y > $max_y | |
266 | || $this->x < $min_x || $this->y < $min_y) { | |
267 | $img = imagecreatefromstring(file_get_contents($this->filename)); | |
268 | if (!$img) { | |
269 | trigger_error('too large image, can\'t be resized', E_USER_NOTICE); | |
270 | return false; | |
271 | } | |
272 | ||
273 | $nx = $this->x; | |
274 | $ny = $this->y; | |
275 | if ($nx > $max_x) { | |
276 | $ny = intval($ny*$max_x/$nx); | |
277 | $nx = $max_x; | |
278 | } | |
279 | if ($ny > $max_y) { | |
280 | $nx = intval($nx*$max_y/$ny); | |
281 | $ny = $max_y; | |
282 | } | |
283 | if ($nx < $min_x) { | |
284 | $ny = intval($ny*$min_x/$nx); | |
285 | $nx = $min_x; | |
286 | } | |
287 | if ($ny < $min_y) { | |
288 | $nx = intval($nx * $min_y/$ny); | |
289 | $ny = $min_y; | |
290 | } | |
291 | ||
292 | $comp = 90; | |
293 | do { | |
294 | $img2 = imagecreatetruecolor($nx, $ny); | |
295 | imagecopyresampled($img2, $img, 0, 0, 0, 0, $nx, $ny, $this->x, $this->y); | |
296 | imagejpeg($img2, $this->filename, $comp); | |
297 | $comp --; | |
298 | clearstatcache(); | |
299 | } while (filesize($this->filename) > $maxsize && $comp > 0); | |
300 | $this->type = 'image/jpeg'; | |
301 | $this->x = $nx; | |
302 | $this->y = $ny; | |
303 | } | |
304 | return true; | |
305 | } | |
306 | ||
307 | public function getContents() | |
308 | { | |
309 | if ($this->exists()) { | |
310 | return file_get_contents($this->filename); | |
311 | } | |
312 | return null; | |
313 | } | |
314 | } | |
315 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: | |
316 | ?> |