1 | <?php
|
---|
2 | /**
|
---|
3 | * All output and handler function needed for the media management popup
|
---|
4 | *
|
---|
5 | * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
|
---|
6 | * @author Andreas Gohr <[email protected]>
|
---|
7 | */
|
---|
8 |
|
---|
9 | if(!defined('DOKU_INC')) die('meh.');
|
---|
10 | if(!defined('NL')) define('NL',"\n");
|
---|
11 |
|
---|
12 | /**
|
---|
13 | * Lists pages which currently use a media file selected for deletion
|
---|
14 | *
|
---|
15 | * References uses the same visual as search results and share
|
---|
16 | * their CSS tags except pagenames won't be links.
|
---|
17 | *
|
---|
18 | * @author Matthias Grimm <[email protected]>
|
---|
19 | */
|
---|
20 | function media_filesinuse($data,$id){
|
---|
21 | global $lang;
|
---|
22 | echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>';
|
---|
23 | echo '<p>'.hsc($lang['ref_inuse']).'</p>';
|
---|
24 |
|
---|
25 | $hidden=0; //count of hits without read permission
|
---|
26 | foreach($data as $row){
|
---|
27 | if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){
|
---|
28 | echo '<div class="search_result">';
|
---|
29 | echo '<span class="mediaref_ref">'.hsc($row).'</span>';
|
---|
30 | echo '</div>';
|
---|
31 | }else
|
---|
32 | $hidden++;
|
---|
33 | }
|
---|
34 | if ($hidden){
|
---|
35 | print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>';
|
---|
36 | }
|
---|
37 | }
|
---|
38 |
|
---|
39 | /**
|
---|
40 | * Handles the saving of image meta data
|
---|
41 | *
|
---|
42 | * @author Andreas Gohr <[email protected]>
|
---|
43 | */
|
---|
44 | function media_metasave($id,$auth,$data){
|
---|
45 | if($auth < AUTH_UPLOAD) return false;
|
---|
46 | if(!checkSecurityToken()) return false;
|
---|
47 | global $lang;
|
---|
48 | global $conf;
|
---|
49 | $src = mediaFN($id);
|
---|
50 |
|
---|
51 | $meta = new JpegMeta($src);
|
---|
52 | $meta->_parseAll();
|
---|
53 |
|
---|
54 | foreach($data as $key => $val){
|
---|
55 | $val=trim($val);
|
---|
56 | if(empty($val)){
|
---|
57 | $meta->deleteField($key);
|
---|
58 | }else{
|
---|
59 | $meta->setField($key,$val);
|
---|
60 | }
|
---|
61 | }
|
---|
62 |
|
---|
63 | if($meta->save()){
|
---|
64 | if($conf['fperm']) chmod($src, $conf['fperm']);
|
---|
65 | msg($lang['metasaveok'],1);
|
---|
66 | return $id;
|
---|
67 | }else{
|
---|
68 | msg($lang['metasaveerr'],-1);
|
---|
69 | return false;
|
---|
70 | }
|
---|
71 | }
|
---|
72 |
|
---|
73 | /**
|
---|
74 | * Display the form to edit image meta data
|
---|
75 | *
|
---|
76 | * @author Andreas Gohr <[email protected]>
|
---|
77 | */
|
---|
78 | function media_metaform($id,$auth){
|
---|
79 | if($auth < AUTH_UPLOAD) return false;
|
---|
80 | global $lang, $config_cascade;
|
---|
81 |
|
---|
82 | // load the field descriptions
|
---|
83 | static $fields = null;
|
---|
84 | if(is_null($fields)){
|
---|
85 |
|
---|
86 | foreach (array('default','local') as $config_group) {
|
---|
87 | if (empty($config_cascade['mediameta'][$config_group])) continue;
|
---|
88 | foreach ($config_cascade['mediameta'][$config_group] as $config_file) {
|
---|
89 | if(@file_exists($config_file)){
|
---|
90 | include($config_file);
|
---|
91 | }
|
---|
92 | }
|
---|
93 | }
|
---|
94 | }
|
---|
95 |
|
---|
96 | $src = mediaFN($id);
|
---|
97 |
|
---|
98 | // output
|
---|
99 | echo '<h1>'.hsc(noNS($id)).'</h1>'.NL;
|
---|
100 | echo '<form action="'.DOKU_BASE.'lib/exe/mediamanager.php" accept-charset="utf-8" method="post" class="meta">'.NL;
|
---|
101 | formSecurityToken();
|
---|
102 | foreach($fields as $key => $field){
|
---|
103 | // get current value
|
---|
104 | $tags = array($field[0]);
|
---|
105 | if(is_array($field[3])) $tags = array_merge($tags,$field[3]);
|
---|
106 | $value = tpl_img_getTag($tags,'',$src);
|
---|
107 | $value = cleanText($value);
|
---|
108 |
|
---|
109 | // prepare attributes
|
---|
110 | $p = array();
|
---|
111 | $p['class'] = 'edit';
|
---|
112 | $p['id'] = 'meta__'.$key;
|
---|
113 | $p['name'] = 'meta['.$field[0].']';
|
---|
114 |
|
---|
115 | // put label
|
---|
116 | echo '<div class="metafield">';
|
---|
117 | echo '<label for="meta__'.$key.'">';
|
---|
118 | echo ($lang[$field[1]]) ? $lang[$field[1]] : $field[1];
|
---|
119 | echo ':</label>';
|
---|
120 |
|
---|
121 | // put input field
|
---|
122 | if($field[2] == 'text'){
|
---|
123 | $p['value'] = $value;
|
---|
124 | $p['type'] = 'text';
|
---|
125 | $att = buildAttributes($p);
|
---|
126 | echo "<input $att/>".NL;
|
---|
127 | }else{
|
---|
128 | $att = buildAttributes($p);
|
---|
129 | echo "<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'.NL;
|
---|
130 | }
|
---|
131 | echo '</div>'.NL;
|
---|
132 | }
|
---|
133 | echo '<div class="buttons">'.NL;
|
---|
134 | echo '<input type="hidden" name="img" value="'.hsc($id).'" />'.NL;
|
---|
135 | echo '<input name="do[save]" type="submit" value="'.$lang['btn_save'].
|
---|
136 | '" title="'.$lang['btn_save'].' [S]" accesskey="s" class="button" />'.NL;
|
---|
137 | echo '<input name="do[cancel]" type="submit" value="'.$lang['btn_cancel'].
|
---|
138 | '" title="'.$lang['btn_cancel'].' [C]" accesskey="c" class="button" />'.NL;
|
---|
139 | echo '</div>'.NL;
|
---|
140 | echo '</form>'.NL;
|
---|
141 | }
|
---|
142 |
|
---|
143 | /**
|
---|
144 | * Convenience function to check if a media file is still in use
|
---|
145 | *
|
---|
146 | * @author Michael Klier <[email protected]>
|
---|
147 | */
|
---|
148 | function media_inuse($id) {
|
---|
149 | global $conf;
|
---|
150 | $mediareferences = array();
|
---|
151 | if($conf['refcheck']){
|
---|
152 | $mediareferences = ft_mediause($id,$conf['refshow']);
|
---|
153 | if(!count($mediareferences)) {
|
---|
154 | return false;
|
---|
155 | } else {
|
---|
156 | return $mediareferences;
|
---|
157 | }
|
---|
158 | } else {
|
---|
159 | return false;
|
---|
160 | }
|
---|
161 | }
|
---|
162 |
|
---|
163 | define('DOKU_MEDIA_DELETED', 1);
|
---|
164 | define('DOKU_MEDIA_NOT_AUTH', 2);
|
---|
165 | define('DOKU_MEDIA_INUSE', 4);
|
---|
166 | define('DOKU_MEDIA_EMPTY_NS', 8);
|
---|
167 |
|
---|
168 | /**
|
---|
169 | * Handles media file deletions
|
---|
170 | *
|
---|
171 | * If configured, checks for media references before deletion
|
---|
172 | *
|
---|
173 | * @author Andreas Gohr <[email protected]>
|
---|
174 | * @return int One of: 0,
|
---|
175 | DOKU_MEDIA_DELETED,
|
---|
176 | DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS,
|
---|
177 | DOKU_MEDIA_NOT_AUTH,
|
---|
178 | DOKU_MEDIA_INUSE
|
---|
179 | */
|
---|
180 | function media_delete($id,$auth){
|
---|
181 | if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH;
|
---|
182 | if(media_inuse($id)) return DOKU_MEDIA_INUSE;
|
---|
183 |
|
---|
184 | $file = mediaFN($id);
|
---|
185 |
|
---|
186 | // trigger an event - MEDIA_DELETE_FILE
|
---|
187 | $data['id'] = $id;
|
---|
188 | $data['name'] = basename($file);
|
---|
189 | $data['path'] = $file;
|
---|
190 | $data['size'] = (@file_exists($file)) ? filesize($file) : 0;
|
---|
191 |
|
---|
192 | $data['unl'] = false;
|
---|
193 | $data['del'] = false;
|
---|
194 | $evt = new Doku_Event('MEDIA_DELETE_FILE',$data);
|
---|
195 | if ($evt->advise_before()) {
|
---|
196 | $data['unl'] = @unlink($file);
|
---|
197 | if($data['unl']){
|
---|
198 | addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE);
|
---|
199 | $data['del'] = io_sweepNS($id,'mediadir');
|
---|
200 | }
|
---|
201 | }
|
---|
202 | $evt->advise_after();
|
---|
203 | unset($evt);
|
---|
204 |
|
---|
205 | if($data['unl'] && $data['del']){
|
---|
206 | return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS;
|
---|
207 | }
|
---|
208 |
|
---|
209 | return $data['unl'] ? DOKU_MEDIA_DELETED : 0;
|
---|
210 | }
|
---|
211 |
|
---|
212 | /**
|
---|
213 | * Handles media file uploads
|
---|
214 | *
|
---|
215 | * @author Andreas Gohr <[email protected]>
|
---|
216 | * @author Michael Klier <[email protected]>
|
---|
217 | * @return mixed false on error, id of the new file on success
|
---|
218 | */
|
---|
219 | function media_upload($ns,$auth){
|
---|
220 | if(!checkSecurityToken()) return false;
|
---|
221 | global $lang;
|
---|
222 |
|
---|
223 | // get file and id
|
---|
224 | $id = $_POST['id'];
|
---|
225 | $file = $_FILES['upload'];
|
---|
226 | if(empty($id)) $id = $file['name'];
|
---|
227 |
|
---|
228 | // check for errors (messages are done in lib/exe/mediamanager.php)
|
---|
229 | if($file['error']) return false;
|
---|
230 |
|
---|
231 | // check extensions
|
---|
232 | list($fext,$fmime,$dl) = mimetype($file['name']);
|
---|
233 | list($iext,$imime,$dl) = mimetype($id);
|
---|
234 | if($fext && !$iext){
|
---|
235 | // no extension specified in id - read original one
|
---|
236 | $id .= '.'.$fext;
|
---|
237 | $imime = $fmime;
|
---|
238 | }elseif($fext && $fext != $iext){
|
---|
239 | // extension was changed, print warning
|
---|
240 | msg(sprintf($lang['mediaextchange'],$fext,$iext));
|
---|
241 | }
|
---|
242 |
|
---|
243 | $res = media_save(array('name' => $file['tmp_name'],
|
---|
244 | 'mime' => $imime,
|
---|
245 | 'ext' => $iext), $ns.':'.$id,
|
---|
246 | $_REQUEST['ow'], $auth, 'move_uploaded_file');
|
---|
247 | if (is_array($res)) {
|
---|
248 | msg($res[0], $res[1]);
|
---|
249 | return false;
|
---|
250 | }
|
---|
251 | return $res;
|
---|
252 | }
|
---|
253 |
|
---|
254 | /**
|
---|
255 | * This generates an action event and delegates to _media_upload_action().
|
---|
256 | * Action plugins are allowed to pre/postprocess the uploaded file.
|
---|
257 | * (The triggered event is preventable.)
|
---|
258 | *
|
---|
259 | * Event data:
|
---|
260 | * $data[0] fn_tmp: the temporary file name (read from $_FILES)
|
---|
261 | * $data[1] fn: the file name of the uploaded file
|
---|
262 | * $data[2] id: the future directory id of the uploaded file
|
---|
263 | * $data[3] imime: the mimetype of the uploaded file
|
---|
264 | * $data[4] overwrite: if an existing file is going to be overwritten
|
---|
265 | *
|
---|
266 | * @triggers MEDIA_UPLOAD_FINISH
|
---|
267 | */
|
---|
268 | function media_save($file, $id, $ow, $auth, $move) {
|
---|
269 | if($auth < AUTH_UPLOAD) {
|
---|
270 | return array("You don't have permissions to upload files.", -1);
|
---|
271 | }
|
---|
272 |
|
---|
273 | if (!isset($file['mime']) || !isset($file['ext'])) {
|
---|
274 | list($ext, $mime) = mimetype($id);
|
---|
275 | if (!isset($file['mime'])) {
|
---|
276 | $file['mime'] = $mime;
|
---|
277 | }
|
---|
278 | if (!isset($file['ext'])) {
|
---|
279 | $file['ext'] = $ext;
|
---|
280 | }
|
---|
281 | }
|
---|
282 |
|
---|
283 | global $lang;
|
---|
284 |
|
---|
285 | // get filename
|
---|
286 | $id = cleanID($id,false,true);
|
---|
287 | $fn = mediaFN($id);
|
---|
288 |
|
---|
289 | // get filetype regexp
|
---|
290 | $types = array_keys(getMimeTypes());
|
---|
291 | $types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
|
---|
292 | $regex = join('|',$types);
|
---|
293 |
|
---|
294 | // because a temp file was created already
|
---|
295 | if(!preg_match('/\.('.$regex.')$/i',$fn)) {
|
---|
296 | return array($lang['uploadwrong'],-1);
|
---|
297 | }
|
---|
298 |
|
---|
299 | //check for overwrite
|
---|
300 | $overwrite = @file_exists($fn);
|
---|
301 | if($overwrite && (!$ow || $auth < AUTH_DELETE)) {
|
---|
302 | return array($lang['uploadexist'], 0);
|
---|
303 | }
|
---|
304 | // check for valid content
|
---|
305 | $ok = media_contentcheck($file['name'], $file['mime']);
|
---|
306 | if($ok == -1){
|
---|
307 | return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1);
|
---|
308 | }elseif($ok == -2){
|
---|
309 | return array($lang['uploadspam'],-1);
|
---|
310 | }elseif($ok == -3){
|
---|
311 | return array($lang['uploadxss'],-1);
|
---|
312 | }
|
---|
313 |
|
---|
314 | // prepare event data
|
---|
315 | $data[0] = $file['name'];
|
---|
316 | $data[1] = $fn;
|
---|
317 | $data[2] = $id;
|
---|
318 | $data[3] = $file['mime'];
|
---|
319 | $data[4] = $overwrite;
|
---|
320 | $data[5] = $move;
|
---|
321 |
|
---|
322 | // trigger event
|
---|
323 | return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true);
|
---|
324 | }
|
---|
325 |
|
---|
326 | /**
|
---|
327 | * Callback adapter for media_upload_finish()
|
---|
328 | * @author Michael Klier <[email protected]>
|
---|
329 | */
|
---|
330 | function _media_upload_action($data) {
|
---|
331 | // fixme do further sanity tests of given data?
|
---|
332 | if(is_array($data) && count($data)===6) {
|
---|
333 | return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]);
|
---|
334 | } else {
|
---|
335 | return false; //callback error
|
---|
336 | }
|
---|
337 | }
|
---|
338 |
|
---|
339 | /**
|
---|
340 | * Saves an uploaded media file
|
---|
341 | *
|
---|
342 | * @author Andreas Gohr <[email protected]>
|
---|
343 | * @author Michael Klier <[email protected]>
|
---|
344 | */
|
---|
345 | function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') {
|
---|
346 | global $conf;
|
---|
347 | global $lang;
|
---|
348 |
|
---|
349 | // prepare directory
|
---|
350 | io_createNamespace($id, 'media');
|
---|
351 |
|
---|
352 | if($move($fn_tmp, $fn)) {
|
---|
353 | // Set the correct permission here.
|
---|
354 | // Always chmod media because they may be saved with different permissions than expected from the php umask.
|
---|
355 | // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.)
|
---|
356 | chmod($fn, $conf['fmode']);
|
---|
357 | msg($lang['uploadsucc'],1);
|
---|
358 | media_notify($id,$fn,$imime);
|
---|
359 | // add a log entry to the media changelog
|
---|
360 | if ($overwrite) {
|
---|
361 | addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_EDIT);
|
---|
362 | } else {
|
---|
363 | addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_CREATE);
|
---|
364 | }
|
---|
365 | return $id;
|
---|
366 | }else{
|
---|
367 | return array($lang['uploadfail'],-1);
|
---|
368 | }
|
---|
369 | }
|
---|
370 |
|
---|
371 | /**
|
---|
372 | * This function checks if the uploaded content is really what the
|
---|
373 | * mimetype says it is. We also do spam checking for text types here.
|
---|
374 | *
|
---|
375 | * We need to do this stuff because we can not rely on the browser
|
---|
376 | * to do this check correctly. Yes, IE is broken as usual.
|
---|
377 | *
|
---|
378 | * @author Andreas Gohr <[email protected]>
|
---|
379 | * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting
|
---|
380 | * @fixme check all 26 magic IE filetypes here?
|
---|
381 | */
|
---|
382 | function media_contentcheck($file,$mime){
|
---|
383 | global $conf;
|
---|
384 | if($conf['iexssprotect']){
|
---|
385 | $fh = @fopen($file, 'rb');
|
---|
386 | if($fh){
|
---|
387 | $bytes = fread($fh, 256);
|
---|
388 | fclose($fh);
|
---|
389 | if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){
|
---|
390 | return -3;
|
---|
391 | }
|
---|
392 | }
|
---|
393 | }
|
---|
394 | if(substr($mime,0,6) == 'image/'){
|
---|
395 | $info = @getimagesize($file);
|
---|
396 | if($mime == 'image/gif' && $info[2] != 1){
|
---|
397 | return -1;
|
---|
398 | }elseif($mime == 'image/jpeg' && $info[2] != 2){
|
---|
399 | return -1;
|
---|
400 | }elseif($mime == 'image/png' && $info[2] != 3){
|
---|
401 | return -1;
|
---|
402 | }
|
---|
403 | # fixme maybe check other images types as well
|
---|
404 | }elseif(substr($mime,0,5) == 'text/'){
|
---|
405 | global $TEXT;
|
---|
406 | $TEXT = io_readFile($file);
|
---|
407 | if(checkwordblock()){
|
---|
408 | return -2;
|
---|
409 | }
|
---|
410 | }
|
---|
411 | return 0;
|
---|
412 | }
|
---|
413 |
|
---|
414 | /**
|
---|
415 | * Send a notify mail on uploads
|
---|
416 | *
|
---|
417 | * @author Andreas Gohr <[email protected]>
|
---|
418 | */
|
---|
419 | function media_notify($id,$file,$mime){
|
---|
420 | global $lang;
|
---|
421 | global $conf;
|
---|
422 | global $INFO;
|
---|
423 | if(empty($conf['notify'])) return; //notify enabled?
|
---|
424 |
|
---|
425 | $ip = clientIP();
|
---|
426 |
|
---|
427 | $text = rawLocale('uploadmail');
|
---|
428 | $text = str_replace('@DATE@',dformat(),$text);
|
---|
429 | $text = str_replace('@BROWSER@',$_SERVER['HTTP_USER_AGENT'],$text);
|
---|
430 | $text = str_replace('@IPADDRESS@',$ip,$text);
|
---|
431 | $text = str_replace('@HOSTNAME@',gethostsbyaddrs($ip),$text);
|
---|
432 | $text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
|
---|
433 | $text = str_replace('@USER@',$_SERVER['REMOTE_USER'],$text);
|
---|
434 | $text = str_replace('@MIME@',$mime,$text);
|
---|
435 | $text = str_replace('@MEDIA@',ml($id,'',true,'&',true),$text);
|
---|
436 | $text = str_replace('@SIZE@',filesize_h(filesize($file)),$text);
|
---|
437 |
|
---|
438 | $subject = '['.$conf['title'].'] '.$lang['mail_upload'].' '.$id;
|
---|
439 |
|
---|
440 | mail_send($conf['notify'],$subject,$text,$conf['mailfrom']);
|
---|
441 | }
|
---|
442 |
|
---|
443 | /**
|
---|
444 | * List all files in a given Media namespace
|
---|
445 | */
|
---|
446 | function media_filelist($ns,$auth=null,$jump=''){
|
---|
447 | global $conf;
|
---|
448 | global $lang;
|
---|
449 | $ns = cleanID($ns);
|
---|
450 |
|
---|
451 | // check auth our self if not given (needed for ajax calls)
|
---|
452 | if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
|
---|
453 |
|
---|
454 | echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
|
---|
455 |
|
---|
456 | if($auth < AUTH_READ){
|
---|
457 | // FIXME: print permission warning here instead?
|
---|
458 | echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
|
---|
459 | }else{
|
---|
460 | media_uploadform($ns, $auth);
|
---|
461 |
|
---|
462 | $dir = utf8_encodeFN(str_replace(':','/',$ns));
|
---|
463 | $data = array();
|
---|
464 | search($data,$conf['mediadir'],'search_media',
|
---|
465 | array('showmsg'=>true,'depth'=>1),$dir);
|
---|
466 |
|
---|
467 | if(!count($data)){
|
---|
468 | echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
|
---|
469 | }else foreach($data as $item){
|
---|
470 | media_printfile($item,$auth,$jump);
|
---|
471 | }
|
---|
472 | }
|
---|
473 | media_searchform($ns);
|
---|
474 | }
|
---|
475 |
|
---|
476 | /**
|
---|
477 | * List all files found by the search request
|
---|
478 | *
|
---|
479 | * @author Tobias Sarnowski <[email protected]>
|
---|
480 | * @author Andreas Gohr <[email protected]>
|
---|
481 | * @triggers MEDIA_SEARCH
|
---|
482 | */
|
---|
483 | function media_searchlist($query,$ns,$auth=null){
|
---|
484 | global $conf;
|
---|
485 | global $lang;
|
---|
486 | $ns = cleanID($ns);
|
---|
487 |
|
---|
488 | if ($query) {
|
---|
489 | $evdata = array(
|
---|
490 | 'ns' => $ns,
|
---|
491 | 'data' => array(),
|
---|
492 | 'query' => $query
|
---|
493 | );
|
---|
494 | $evt = new Doku_Event('MEDIA_SEARCH', $evdata);
|
---|
495 | if ($evt->advise_before()) {
|
---|
496 | $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns']));
|
---|
497 | $pattern = '/'.preg_quote($evdata['query'],'/').'/i';
|
---|
498 | search($evdata['data'],
|
---|
499 | $conf['mediadir'],
|
---|
500 | 'search_media',
|
---|
501 | array('showmsg'=>false,'pattern'=>$pattern),
|
---|
502 | $dir);
|
---|
503 | }
|
---|
504 | $evt->advise_after();
|
---|
505 | unset($evt);
|
---|
506 | }
|
---|
507 |
|
---|
508 | echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL;
|
---|
509 | media_searchform($ns,$query);
|
---|
510 |
|
---|
511 | if(!count($evdata['data'])){
|
---|
512 | echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
|
---|
513 | }else foreach($evdata['data'] as $item){
|
---|
514 | media_printfile($item,$item['perm'],'',true);
|
---|
515 | }
|
---|
516 | }
|
---|
517 |
|
---|
518 | /**
|
---|
519 | * Print action links for a file depending on filetype
|
---|
520 | * and available permissions
|
---|
521 | */
|
---|
522 | function media_fileactions($item,$auth){
|
---|
523 | global $lang;
|
---|
524 |
|
---|
525 | // view button
|
---|
526 | $link = ml($item['id'],'',true);
|
---|
527 | echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '.
|
---|
528 | 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>';
|
---|
529 |
|
---|
530 | // no further actions if not writable
|
---|
531 | if(!$item['writable']) return;
|
---|
532 |
|
---|
533 | // delete button
|
---|
534 | if($auth >= AUTH_DELETE){
|
---|
535 | echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
|
---|
536 | '&sectok='.getSecurityToken().'" class="btn_media_delete" title="'.$item['id'].'">'.
|
---|
537 | '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
|
---|
538 | 'title="'.$lang['btn_delete'].'" class="btn" /></a>';
|
---|
539 | }
|
---|
540 |
|
---|
541 | // edit button
|
---|
542 | if($auth >= AUTH_UPLOAD && $item['isimg'] && $item['meta']->getField('File.Mime') == 'image/jpeg'){
|
---|
543 | echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?edit='.rawurlencode($item['id']).'">'.
|
---|
544 | '<img src="'.DOKU_BASE.'lib/images/pencil.png" alt="'.$lang['metaedit'].'" '.
|
---|
545 | 'title="'.$lang['metaedit'].'" class="btn" /></a>';
|
---|
546 | }
|
---|
547 |
|
---|
548 | }
|
---|
549 |
|
---|
550 | /**
|
---|
551 | * Formats and prints one file in the list
|
---|
552 | */
|
---|
553 | function media_printfile($item,$auth,$jump,$display_namespace=false){
|
---|
554 | global $lang;
|
---|
555 | global $conf;
|
---|
556 |
|
---|
557 | // Prepare zebra coloring
|
---|
558 | // I always wanted to use this variable name :-D
|
---|
559 | static $twibble = 1;
|
---|
560 | $twibble *= -1;
|
---|
561 | $zebra = ($twibble == -1) ? 'odd' : 'even';
|
---|
562 |
|
---|
563 | // Automatically jump to recent action
|
---|
564 | if($jump == $item['id']) {
|
---|
565 | $jump = ' id="scroll__here" ';
|
---|
566 | }else{
|
---|
567 | $jump = '';
|
---|
568 | }
|
---|
569 |
|
---|
570 | // Prepare fileicons
|
---|
571 | list($ext,$mime,$dl) = mimetype($item['file'],false);
|
---|
572 | $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
|
---|
573 | $class = 'select mediafile mf_'.$class;
|
---|
574 |
|
---|
575 | // Prepare filename
|
---|
576 | $file = utf8_decodeFN($item['file']);
|
---|
577 |
|
---|
578 | // Prepare info
|
---|
579 | $info = '';
|
---|
580 | if($item['isimg']){
|
---|
581 | $info .= (int) $item['meta']->getField('File.Width');
|
---|
582 | $info .= '×';
|
---|
583 | $info .= (int) $item['meta']->getField('File.Height');
|
---|
584 | $info .= ' ';
|
---|
585 | }
|
---|
586 | $info .= '<i>'.dformat($item['mtime']).'</i>';
|
---|
587 | $info .= ' ';
|
---|
588 | $info .= filesize_h($item['size']);
|
---|
589 |
|
---|
590 | // output
|
---|
591 | echo '<div class="'.$zebra.'"'.$jump.'>'.NL;
|
---|
592 | if (!$display_namespace) {
|
---|
593 | echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> ';
|
---|
594 | } else {
|
---|
595 | echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>';
|
---|
596 | }
|
---|
597 | echo '<span class="info">('.$info.')</span>'.NL;
|
---|
598 | media_fileactions($item,$auth);
|
---|
599 | echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">';
|
---|
600 | echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>';
|
---|
601 | echo '</div>';
|
---|
602 | if($item['isimg']) media_printimgdetail($item);
|
---|
603 | echo '<div class="clearer"></div>'.NL;
|
---|
604 | echo '</div>'.NL;
|
---|
605 | }
|
---|
606 |
|
---|
607 | /**
|
---|
608 | * Prints a thumbnail and metainfos
|
---|
609 | */
|
---|
610 | function media_printimgdetail($item){
|
---|
611 | // prepare thumbnail
|
---|
612 | $w = (int) $item['meta']->getField('File.Width');
|
---|
613 | $h = (int) $item['meta']->getField('File.Height');
|
---|
614 | if($w>120 || $h>120){
|
---|
615 | $ratio = $item['meta']->getResizeRatio(120);
|
---|
616 | $w = floor($w * $ratio);
|
---|
617 | $h = floor($h * $ratio);
|
---|
618 | }
|
---|
619 | $src = ml($item['id'],array('w'=>$w,'h'=>$h));
|
---|
620 | $p = array();
|
---|
621 | $p['width'] = $w;
|
---|
622 | $p['height'] = $h;
|
---|
623 | $p['alt'] = $item['id'];
|
---|
624 | $p['class'] = 'thumb';
|
---|
625 | $att = buildAttributes($p);
|
---|
626 |
|
---|
627 | // output
|
---|
628 | echo '<div class="detail">';
|
---|
629 | echo '<div class="thumb">';
|
---|
630 | echo '<a name="d_:'.$item['id'].'" class="select">';
|
---|
631 | echo '<img src="'.$src.'" '.$att.' />';
|
---|
632 | echo '</a>';
|
---|
633 | echo '</div>';
|
---|
634 |
|
---|
635 | // read EXIF/IPTC data
|
---|
636 | $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title'));
|
---|
637 | $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment',
|
---|
638 | 'EXIF.TIFFImageDescription',
|
---|
639 | 'EXIF.TIFFUserComment'));
|
---|
640 | if(utf8_strlen($d) > 250) $d = utf8_substr($d,0,250).'...';
|
---|
641 | $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject'));
|
---|
642 |
|
---|
643 | // print EXIF/IPTC data
|
---|
644 | if($t || $d || $k ){
|
---|
645 | echo '<p>';
|
---|
646 | if($t) echo '<strong>'.htmlspecialchars($t).'</strong><br />';
|
---|
647 | if($d) echo htmlspecialchars($d).'<br />';
|
---|
648 | if($t) echo '<em>'.htmlspecialchars($k).'</em>';
|
---|
649 | echo '</p>';
|
---|
650 | }
|
---|
651 | echo '</div>';
|
---|
652 | }
|
---|
653 |
|
---|
654 | /**
|
---|
655 | * Print the media upload form if permissions are correct
|
---|
656 | *
|
---|
657 | * @author Andreas Gohr <[email protected]>
|
---|
658 | */
|
---|
659 | function media_uploadform($ns, $auth){
|
---|
660 | global $lang;
|
---|
661 |
|
---|
662 | if($auth < AUTH_UPLOAD) return; //fixme print info on missing permissions?
|
---|
663 |
|
---|
664 | // The default HTML upload form
|
---|
665 | $form = new Doku_Form(array('id' => 'dw__upload',
|
---|
666 | 'action' => DOKU_BASE.'lib/exe/mediamanager.php',
|
---|
667 | 'enctype' => 'multipart/form-data'));
|
---|
668 | $form->addElement('<div class="upload">' . $lang['mediaupload'] . '</div>');
|
---|
669 | $form->addElement(formSecurityToken());
|
---|
670 | $form->addHidden('ns', hsc($ns));
|
---|
671 | $form->addElement(form_makeOpenTag('p'));
|
---|
672 | $form->addElement(form_makeFileField('upload', $lang['txt_upload'].':', 'upload__file'));
|
---|
673 | $form->addElement(form_makeCloseTag('p'));
|
---|
674 | $form->addElement(form_makeOpenTag('p'));
|
---|
675 | $form->addElement(form_makeTextField('id', '', $lang['txt_filename'].':', 'upload__name'));
|
---|
676 | $form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
|
---|
677 | $form->addElement(form_makeCloseTag('p'));
|
---|
678 |
|
---|
679 | if($auth >= AUTH_DELETE){
|
---|
680 | $form->addElement(form_makeOpenTag('p'));
|
---|
681 | $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check'));
|
---|
682 | $form->addElement(form_makeCloseTag('p'));
|
---|
683 | }
|
---|
684 | html_form('upload', $form);
|
---|
685 |
|
---|
686 | // prepare flashvars for multiupload
|
---|
687 | $opt = array(
|
---|
688 | 'L_gridname' => $lang['mu_gridname'] ,
|
---|
689 | 'L_gridsize' => $lang['mu_gridsize'] ,
|
---|
690 | 'L_gridstat' => $lang['mu_gridstat'] ,
|
---|
691 | 'L_namespace' => $lang['mu_namespace'] ,
|
---|
692 | 'L_overwrite' => $lang['txt_overwrt'],
|
---|
693 | 'L_browse' => $lang['mu_browse'],
|
---|
694 | 'L_upload' => $lang['btn_upload'],
|
---|
695 | 'L_toobig' => $lang['mu_toobig'],
|
---|
696 | 'L_ready' => $lang['mu_ready'],
|
---|
697 | 'L_done' => $lang['mu_done'],
|
---|
698 | 'L_fail' => $lang['mu_fail'],
|
---|
699 | 'L_authfail' => $lang['mu_authfail'],
|
---|
700 | 'L_progress' => $lang['mu_progress'],
|
---|
701 | 'L_filetypes' => $lang['mu_filetypes'],
|
---|
702 | 'L_info' => $lang['mu_info'],
|
---|
703 | 'L_lasterr' => $lang['mu_lasterr'],
|
---|
704 |
|
---|
705 | 'O_ns' => ":$ns",
|
---|
706 | 'O_backend' => 'mediamanager.php?'.session_name().'='.session_id(),
|
---|
707 | 'O_maxsize' => php_to_byte(ini_get('upload_max_filesize')),
|
---|
708 | 'O_extensions'=> join('|',array_keys(getMimeTypes())),
|
---|
709 | 'O_overwrite' => ($auth >= AUTH_DELETE),
|
---|
710 | 'O_sectok' => getSecurityToken(),
|
---|
711 | 'O_authtok' => auth_createToken(),
|
---|
712 | );
|
---|
713 | $var = buildURLparams($opt);
|
---|
714 | // output the flash uploader
|
---|
715 | ?>
|
---|
716 | <div id="dw__flashupload" style="display:none">
|
---|
717 | <div class="upload"><?php echo $lang['mu_intro']?></div>
|
---|
718 | <?php echo html_flashobject('multipleUpload.swf','500','190',null,$opt); ?>
|
---|
719 | </div>
|
---|
720 | <?php
|
---|
721 | }
|
---|
722 |
|
---|
723 | /**
|
---|
724 | * Print the search field form
|
---|
725 | *
|
---|
726 | * @author Tobias Sarnowski <[email protected]>
|
---|
727 | */
|
---|
728 | function media_searchform($ns,$query=''){
|
---|
729 | global $lang;
|
---|
730 |
|
---|
731 | // The default HTML search form
|
---|
732 | $form = new Doku_Form(array('id' => 'dw__mediasearch', 'action' => DOKU_BASE.'lib/exe/mediamanager.php'));
|
---|
733 | $form->addElement('<div class="upload">' . $lang['mediasearch'] . '</div>');
|
---|
734 | $form->addElement(formSecurityToken());
|
---|
735 | $form->addHidden('ns', $ns);
|
---|
736 | $form->addHidden('do', 'searchlist');
|
---|
737 | $form->addElement(form_makeOpenTag('p'));
|
---|
738 | $form->addElement(form_makeTextField('q', $query,$lang['searchmedia'],'','',array('title'=>sprintf($lang['searchmedia_in'],hsc($ns).':*'))));
|
---|
739 | $form->addElement(form_makeButton('submit', '', $lang['btn_search']));
|
---|
740 | $form->addElement(form_makeCloseTag('p'));
|
---|
741 | html_form('searchmedia', $form);
|
---|
742 | }
|
---|
743 |
|
---|
744 | /**
|
---|
745 | * Build a tree outline of available media namespaces
|
---|
746 | *
|
---|
747 | * @author Andreas Gohr <[email protected]>
|
---|
748 | */
|
---|
749 | function media_nstree($ns){
|
---|
750 | global $conf;
|
---|
751 | global $lang;
|
---|
752 |
|
---|
753 | // currently selected namespace
|
---|
754 | $ns = cleanID($ns);
|
---|
755 | if(empty($ns)){
|
---|
756 | global $ID;
|
---|
757 | $ns = dirname(str_replace(':','/',$ID));
|
---|
758 | if($ns == '.') $ns ='';
|
---|
759 | }
|
---|
760 | $ns = utf8_encodeFN(str_replace(':','/',$ns));
|
---|
761 |
|
---|
762 | $data = array();
|
---|
763 | search($data,$conf['mediadir'],'search_index',array('ns' => $ns, 'nofiles' => true));
|
---|
764 |
|
---|
765 | // wrap a list with the root level around the other namespaces
|
---|
766 | $item = array( 'level' => 0, 'id' => '',
|
---|
767 | 'open' =>'true', 'label' => '['.$lang['mediaroot'].']');
|
---|
768 |
|
---|
769 | echo '<ul class="idx">';
|
---|
770 | echo media_nstree_li($item);
|
---|
771 | echo media_nstree_item($item);
|
---|
772 | echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
|
---|
773 | echo '</li>';
|
---|
774 | echo '</ul>';
|
---|
775 | }
|
---|
776 |
|
---|
777 | /**
|
---|
778 | * Userfunction for html_buildlist
|
---|
779 | *
|
---|
780 | * Prints a media namespace tree item
|
---|
781 | *
|
---|
782 | * @author Andreas Gohr <[email protected]>
|
---|
783 | */
|
---|
784 | function media_nstree_item($item){
|
---|
785 | $pos = strrpos($item['id'], ':');
|
---|
786 | $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
|
---|
787 | if(!$item['label']) $item['label'] = $label;
|
---|
788 |
|
---|
789 | $ret = '';
|
---|
790 | $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
|
---|
791 | $ret .= $item['label'];
|
---|
792 | $ret .= '</a>';
|
---|
793 | return $ret;
|
---|
794 | }
|
---|
795 |
|
---|
796 | /**
|
---|
797 | * Userfunction for html_buildlist
|
---|
798 | *
|
---|
799 | * Prints a media namespace tree item opener
|
---|
800 | *
|
---|
801 | * @author Andreas Gohr <[email protected]>
|
---|
802 | */
|
---|
803 | function media_nstree_li($item){
|
---|
804 | $class='media level'.$item['level'];
|
---|
805 | if($item['open']){
|
---|
806 | $class .= ' open';
|
---|
807 | $img = DOKU_BASE.'lib/images/minus.gif';
|
---|
808 | $alt = '−';
|
---|
809 | }else{
|
---|
810 | $class .= ' closed';
|
---|
811 | $img = DOKU_BASE.'lib/images/plus.gif';
|
---|
812 | $alt = '+';
|
---|
813 | }
|
---|
814 | return '<li class="'.$class.'">'.
|
---|
815 | '<img src="'.$img.'" alt="'.$alt.'" />';
|
---|
816 | }
|
---|
817 |
|
---|
818 | /**
|
---|
819 | * Resizes the given image to the given size
|
---|
820 | *
|
---|
821 | * @author Andreas Gohr <[email protected]>
|
---|
822 | */
|
---|
823 | function media_resize_image($file, $ext, $w, $h=0){
|
---|
824 | global $conf;
|
---|
825 |
|
---|
826 | $info = @getimagesize($file); //get original size
|
---|
827 | if($info == false) return $file; // that's no image - it's a spaceship!
|
---|
828 |
|
---|
829 | if(!$h) $h = round(($w * $info[1]) / $info[0]);
|
---|
830 |
|
---|
831 | // we wont scale up to infinity
|
---|
832 | if($w > 2000 || $h > 2000) return $file;
|
---|
833 |
|
---|
834 | //cache
|
---|
835 | $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext);
|
---|
836 | $mtime = @filemtime($local); // 0 if not exists
|
---|
837 |
|
---|
838 | if( $mtime > filemtime($file) ||
|
---|
839 | media_resize_imageIM($ext,$file,$info[0],$info[1],$local,$w,$h) ||
|
---|
840 | media_resize_imageGD($ext,$file,$info[0],$info[1],$local,$w,$h) ){
|
---|
841 | if($conf['fperm']) chmod($local, $conf['fperm']);
|
---|
842 | return $local;
|
---|
843 | }
|
---|
844 | //still here? resizing failed
|
---|
845 | return $file;
|
---|
846 | }
|
---|
847 |
|
---|
848 | /**
|
---|
849 | * Crops the given image to the wanted ratio, then calls media_resize_image to scale it
|
---|
850 | * to the wanted size
|
---|
851 | *
|
---|
852 | * Crops are centered horizontally but prefer the upper third of an vertical
|
---|
853 | * image because most pics are more interesting in that area (rule of thirds)
|
---|
854 | *
|
---|
855 | * @author Andreas Gohr <[email protected]>
|
---|
856 | */
|
---|
857 | function media_crop_image($file, $ext, $w, $h=0){
|
---|
858 | global $conf;
|
---|
859 |
|
---|
860 | if(!$h) $h = $w;
|
---|
861 | $info = @getimagesize($file); //get original size
|
---|
862 | if($info == false) return $file; // that's no image - it's a spaceship!
|
---|
863 |
|
---|
864 | // calculate crop size
|
---|
865 | $fr = $info[0]/$info[1];
|
---|
866 | $tr = $w/$h;
|
---|
867 | if($tr >= 1){
|
---|
868 | if($tr > $fr){
|
---|
869 | $cw = $info[0];
|
---|
870 | $ch = (int) $info[0]/$tr;
|
---|
871 | }else{
|
---|
872 | $cw = (int) $info[1]*$tr;
|
---|
873 | $ch = $info[1];
|
---|
874 | }
|
---|
875 | }else{
|
---|
876 | if($tr < $fr){
|
---|
877 | $cw = (int) $info[1]*$tr;
|
---|
878 | $ch = $info[1];
|
---|
879 | }else{
|
---|
880 | $cw = $info[0];
|
---|
881 | $ch = (int) $info[0]/$tr;
|
---|
882 | }
|
---|
883 | }
|
---|
884 | // calculate crop offset
|
---|
885 | $cx = (int) ($info[0]-$cw)/2;
|
---|
886 | $cy = (int) ($info[1]-$ch)/3;
|
---|
887 |
|
---|
888 | //cache
|
---|
889 | $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext);
|
---|
890 | $mtime = @filemtime($local); // 0 if not exists
|
---|
891 |
|
---|
892 | if( $mtime > filemtime($file) ||
|
---|
893 | media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) ||
|
---|
894 | media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){
|
---|
895 | if($conf['fperm']) chmod($local, $conf['fperm']);
|
---|
896 | return media_resize_image($local,$ext, $w, $h);
|
---|
897 | }
|
---|
898 |
|
---|
899 | //still here? cropping failed
|
---|
900 | return media_resize_image($file,$ext, $w, $h);
|
---|
901 | }
|
---|
902 |
|
---|
903 | /**
|
---|
904 | * Download a remote file and return local filename
|
---|
905 | *
|
---|
906 | * returns false if download fails. Uses cached file if available and
|
---|
907 | * wanted
|
---|
908 | *
|
---|
909 | * @author Andreas Gohr <[email protected]>
|
---|
910 | * @author Pavel Vitis <[email protected]>
|
---|
911 | */
|
---|
912 | function media_get_from_URL($url,$ext,$cache){
|
---|
913 | global $conf;
|
---|
914 |
|
---|
915 | // if no cache or fetchsize just redirect
|
---|
916 | if ($cache==0) return false;
|
---|
917 | if (!$conf['fetchsize']) return false;
|
---|
918 |
|
---|
919 | $local = getCacheName(strtolower($url),".media.$ext");
|
---|
920 | $mtime = @filemtime($local); // 0 if not exists
|
---|
921 |
|
---|
922 | //decide if download needed:
|
---|
923 | if( ($mtime == 0) || // cache does not exist
|
---|
924 | ($cache != -1 && $mtime < time()-$cache) // 'recache' and cache has expired
|
---|
925 | ){
|
---|
926 | if(media_image_download($url,$local)){
|
---|
927 | return $local;
|
---|
928 | }else{
|
---|
929 | return false;
|
---|
930 | }
|
---|
931 | }
|
---|
932 |
|
---|
933 | //if cache exists use it else
|
---|
934 | if($mtime) return $local;
|
---|
935 |
|
---|
936 | //else return false
|
---|
937 | return false;
|
---|
938 | }
|
---|
939 |
|
---|
940 | /**
|
---|
941 | * Download image files
|
---|
942 | *
|
---|
943 | * @author Andreas Gohr <[email protected]>
|
---|
944 | */
|
---|
945 | function media_image_download($url,$file){
|
---|
946 | global $conf;
|
---|
947 | $http = new DokuHTTPClient();
|
---|
948 | $http->max_bodysize = $conf['fetchsize'];
|
---|
949 | $http->timeout = 25; //max. 25 sec
|
---|
950 | $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i';
|
---|
951 |
|
---|
952 | $data = $http->get($url);
|
---|
953 | if(!$data) return false;
|
---|
954 |
|
---|
955 | $fileexists = @file_exists($file);
|
---|
956 | $fp = @fopen($file,"w");
|
---|
957 | if(!$fp) return false;
|
---|
958 | fwrite($fp,$data);
|
---|
959 | fclose($fp);
|
---|
960 | if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']);
|
---|
961 |
|
---|
962 | // check if it is really an image
|
---|
963 | $info = @getimagesize($file);
|
---|
964 | if(!$info){
|
---|
965 | @unlink($file);
|
---|
966 | return false;
|
---|
967 | }
|
---|
968 |
|
---|
969 | return true;
|
---|
970 | }
|
---|
971 |
|
---|
972 | /**
|
---|
973 | * resize images using external ImageMagick convert program
|
---|
974 | *
|
---|
975 | * @author Pavel Vitis <[email protected]>
|
---|
976 | * @author Andreas Gohr <[email protected]>
|
---|
977 | */
|
---|
978 | function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){
|
---|
979 | global $conf;
|
---|
980 |
|
---|
981 | // check if convert is configured
|
---|
982 | if(!$conf['im_convert']) return false;
|
---|
983 |
|
---|
984 | // prepare command
|
---|
985 | $cmd = $conf['im_convert'];
|
---|
986 | $cmd .= ' -resize '.$to_w.'x'.$to_h.'!';
|
---|
987 | if ($ext == 'jpg' || $ext == 'jpeg') {
|
---|
988 | $cmd .= ' -quality '.$conf['jpg_quality'];
|
---|
989 | }
|
---|
990 | $cmd .= " $from $to";
|
---|
991 |
|
---|
992 | @exec($cmd,$out,$retval);
|
---|
993 | if ($retval == 0) return true;
|
---|
994 | return false;
|
---|
995 | }
|
---|
996 |
|
---|
997 | /**
|
---|
998 | * crop images using external ImageMagick convert program
|
---|
999 | *
|
---|
1000 | * @author Andreas Gohr <[email protected]>
|
---|
1001 | */
|
---|
1002 | function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){
|
---|
1003 | global $conf;
|
---|
1004 |
|
---|
1005 | // check if convert is configured
|
---|
1006 | if(!$conf['im_convert']) return false;
|
---|
1007 |
|
---|
1008 | // prepare command
|
---|
1009 | $cmd = $conf['im_convert'];
|
---|
1010 | $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y;
|
---|
1011 | if ($ext == 'jpg' || $ext == 'jpeg') {
|
---|
1012 | $cmd .= ' -quality '.$conf['jpg_quality'];
|
---|
1013 | }
|
---|
1014 | $cmd .= " $from $to";
|
---|
1015 |
|
---|
1016 | @exec($cmd,$out,$retval);
|
---|
1017 | if ($retval == 0) return true;
|
---|
1018 | return false;
|
---|
1019 | }
|
---|
1020 |
|
---|
1021 | /**
|
---|
1022 | * resize or crop images using PHP's libGD support
|
---|
1023 | *
|
---|
1024 | * @author Andreas Gohr <[email protected]>
|
---|
1025 | * @author Sebastian Wienecke <[email protected]>
|
---|
1026 | */
|
---|
1027 | function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){
|
---|
1028 | global $conf;
|
---|
1029 |
|
---|
1030 | if($conf['gdlib'] < 1) return false; //no GDlib available or wanted
|
---|
1031 |
|
---|
1032 | // check available memory
|
---|
1033 | if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){
|
---|
1034 | return false;
|
---|
1035 | }
|
---|
1036 |
|
---|
1037 | // create an image of the given filetype
|
---|
1038 | if ($ext == 'jpg' || $ext == 'jpeg'){
|
---|
1039 | if(!function_exists("imagecreatefromjpeg")) return false;
|
---|
1040 | $image = @imagecreatefromjpeg($from);
|
---|
1041 | }elseif($ext == 'png') {
|
---|
1042 | if(!function_exists("imagecreatefrompng")) return false;
|
---|
1043 | $image = @imagecreatefrompng($from);
|
---|
1044 |
|
---|
1045 | }elseif($ext == 'gif') {
|
---|
1046 | if(!function_exists("imagecreatefromgif")) return false;
|
---|
1047 | $image = @imagecreatefromgif($from);
|
---|
1048 | }
|
---|
1049 | if(!$image) return false;
|
---|
1050 |
|
---|
1051 | if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){
|
---|
1052 | $newimg = @imagecreatetruecolor ($to_w, $to_h);
|
---|
1053 | }
|
---|
1054 | if(!$newimg) $newimg = @imagecreate($to_w, $to_h);
|
---|
1055 | if(!$newimg){
|
---|
1056 | imagedestroy($image);
|
---|
1057 | return false;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | //keep png alpha channel if possible
|
---|
1061 | if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){
|
---|
1062 | imagealphablending($newimg, false);
|
---|
1063 | imagesavealpha($newimg,true);
|
---|
1064 | }
|
---|
1065 |
|
---|
1066 | //keep gif transparent color if possible
|
---|
1067 | if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) {
|
---|
1068 | if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) {
|
---|
1069 | $transcolorindex = @imagecolortransparent($image);
|
---|
1070 | if($transcolorindex >= 0 ) { //transparent color exists
|
---|
1071 | $transcolor = @imagecolorsforindex($image, $transcolorindex);
|
---|
1072 | $transcolorindex = @imagecolorallocate($newimg, $transcolor['red'], $transcolor['green'], $transcolor['blue']);
|
---|
1073 | @imagefill($newimg, 0, 0, $transcolorindex);
|
---|
1074 | @imagecolortransparent($newimg, $transcolorindex);
|
---|
1075 | }else{ //filling with white
|
---|
1076 | $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
|
---|
1077 | @imagefill($newimg, 0, 0, $whitecolorindex);
|
---|
1078 | }
|
---|
1079 | }else{ //filling with white
|
---|
1080 | $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
|
---|
1081 | @imagefill($newimg, 0, 0, $whitecolorindex);
|
---|
1082 | }
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | //try resampling first
|
---|
1086 | if(function_exists("imagecopyresampled")){
|
---|
1087 | if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) {
|
---|
1088 | imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
|
---|
1089 | }
|
---|
1090 | }else{
|
---|
1091 | imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | $okay = false;
|
---|
1095 | if ($ext == 'jpg' || $ext == 'jpeg'){
|
---|
1096 | if(!function_exists('imagejpeg')){
|
---|
1097 | $okay = false;
|
---|
1098 | }else{
|
---|
1099 | $okay = imagejpeg($newimg, $to, $conf['jpg_quality']);
|
---|
1100 | }
|
---|
1101 | }elseif($ext == 'png') {
|
---|
1102 | if(!function_exists('imagepng')){
|
---|
1103 | $okay = false;
|
---|
1104 | }else{
|
---|
1105 | $okay = imagepng($newimg, $to);
|
---|
1106 | }
|
---|
1107 | }elseif($ext == 'gif') {
|
---|
1108 | if(!function_exists('imagegif')){
|
---|
1109 | $okay = false;
|
---|
1110 | }else{
|
---|
1111 | $okay = imagegif($newimg, $to);
|
---|
1112 | }
|
---|
1113 | }
|
---|
1114 |
|
---|
1115 | // destroy GD image ressources
|
---|
1116 | if($image) imagedestroy($image);
|
---|
1117 | if($newimg) imagedestroy($newimg);
|
---|
1118 |
|
---|
1119 | return $okay;
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
---|