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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 <andi@splitbrain.org> 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 <matthiasgrimm@users.sourceforge.net> 19 * 20 * @param array $data 21 * @param string $id 22 */ 23 function media_filesinuse($data,$id){ 24 global $lang; 25 echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>'; 26 echo '<p>'.hsc($lang['ref_inuse']).'</p>'; 27 28 $hidden=0; //count of hits without read permission 29 foreach($data as $row){ 30 if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){ 31 echo '<div class="search_result">'; 32 echo '<span class="mediaref_ref">'.hsc($row).'</span>'; 33 echo '</div>'; 34 }else 35 $hidden++; 36 } 37 if ($hidden){ 38 print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>'; 39 } 40 } 41 42 /** 43 * Handles the saving of image meta data 44 * 45 * @author Andreas Gohr <andi@splitbrain.org> 46 * @author Kate Arzamastseva <pshns@ukr.net> 47 * 48 * @param string $id media id 49 * @param int $auth permission level 50 * @param array $data 51 * @return false|string 52 */ 53 function media_metasave($id,$auth,$data){ 54 if($auth < AUTH_UPLOAD) return false; 55 if(!checkSecurityToken()) return false; 56 global $lang; 57 global $conf; 58 $src = mediaFN($id); 59 60 $meta = new JpegMeta($src); 61 $meta->_parseAll(); 62 63 foreach($data as $key => $val){ 64 $val=trim($val); 65 if(empty($val)){ 66 $meta->deleteField($key); 67 }else{ 68 $meta->setField($key,$val); 69 } 70 } 71 72 $old = @filemtime($src); 73 if(!file_exists(mediaFN($id, $old)) && file_exists($src)) { 74 // add old revision to the attic 75 media_saveOldRevision($id); 76 } 77 $filesize_old = filesize($src); 78 if($meta->save()){ 79 if($conf['fperm']) chmod($src, $conf['fperm']); 80 @clearstatcache(true, $src); 81 $new = @filemtime($src); 82 $filesize_new = filesize($src); 83 $sizechange = $filesize_new - $filesize_old; 84 85 // add a log entry to the media changelog 86 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange); 87 88 msg($lang['metasaveok'],1); 89 return $id; 90 }else{ 91 msg($lang['metasaveerr'],-1); 92 return false; 93 } 94 } 95 96 /** 97 * check if a media is external source 98 * 99 * @author Gerrit Uitslag <klapinklapin@gmail.com> 100 * 101 * @param string $id the media ID or URL 102 * @return bool 103 */ 104 function media_isexternal($id){ 105 if (preg_match('#^(?:https?|ftp)://#i', $id)) return true; 106 return false; 107 } 108 109 /** 110 * Check if a media item is public (eg, external URL or readable by @ALL) 111 * 112 * @author Andreas Gohr <andi@splitbrain.org> 113 * 114 * @param string $id the media ID or URL 115 * @return bool 116 */ 117 function media_ispublic($id){ 118 if(media_isexternal($id)) return true; 119 $id = cleanID($id); 120 if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true; 121 return false; 122 } 123 124 /** 125 * Display the form to edit image meta data 126 * 127 * @author Andreas Gohr <andi@splitbrain.org> 128 * @author Kate Arzamastseva <pshns@ukr.net> 129 * 130 * @param string $id media id 131 * @param int $auth permission level 132 * @return bool 133 */ 134 function media_metaform($id,$auth){ 135 global $lang; 136 137 if($auth < AUTH_UPLOAD) { 138 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 139 return false; 140 } 141 142 // load the field descriptions 143 static $fields = null; 144 if(is_null($fields)){ 145 $config_files = getConfigFiles('mediameta'); 146 foreach ($config_files as $config_file) { 147 if(file_exists($config_file)) include($config_file); 148 } 149 } 150 151 $src = mediaFN($id); 152 153 // output 154 $form = new Doku_Form(array('action' => media_managerURL(array('tab_details' => 'view'), '&'), 155 'class' => 'meta')); 156 $form->addHidden('img', $id); 157 $form->addHidden('mediado', 'save'); 158 foreach($fields as $key => $field){ 159 // get current value 160 if (empty($field[0])) continue; 161 $tags = array($field[0]); 162 if(is_array($field[3])) $tags = array_merge($tags,$field[3]); 163 $value = tpl_img_getTag($tags,'',$src); 164 $value = cleanText($value); 165 166 // prepare attributes 167 $p = array(); 168 $p['class'] = 'edit'; 169 $p['id'] = 'meta__'.$key; 170 $p['name'] = 'meta['.$field[0].']'; 171 $p_attrs = array('class' => 'edit'); 172 173 $form->addElement('<div class="row">'); 174 if($field[2] == 'text'){ 175 $form->addElement(form_makeField('text', $p['name'], $value, ($lang[$field[1]]) ? $lang[$field[1]] : $field[1] . ':', $p['id'], $p['class'], $p_attrs)); 176 }else{ 177 $att = buildAttributes($p); 178 $form->addElement('<label for="meta__'.$key.'">'.$lang[$field[1]].'</label>'); 179 $form->addElement("<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'); 180 } 181 $form->addElement('</div>'.NL); 182 } 183 $form->addElement('<div class="buttons">'); 184 $form->addElement(form_makeButton('submit', '', $lang['btn_save'], array('accesskey' => 's', 'name' => 'mediado[save]'))); 185 $form->addElement('</div>'.NL); 186 $form->printForm(); 187 188 return true; 189 } 190 191 /** 192 * Convenience function to check if a media file is still in use 193 * 194 * @author Michael Klier <chi@chimeric.de> 195 * 196 * @param string $id media id 197 * @return array|bool 198 */ 199 function media_inuse($id) { 200 global $conf; 201 202 if($conf['refcheck']){ 203 $mediareferences = ft_mediause($id,true); 204 if(!count($mediareferences)) { 205 return false; 206 } else { 207 return $mediareferences; 208 } 209 } else { 210 return false; 211 } 212 } 213 214 define('DOKU_MEDIA_DELETED', 1); 215 define('DOKU_MEDIA_NOT_AUTH', 2); 216 define('DOKU_MEDIA_INUSE', 4); 217 define('DOKU_MEDIA_EMPTY_NS', 8); 218 219 /** 220 * Handles media file deletions 221 * 222 * If configured, checks for media references before deletion 223 * 224 * @author Andreas Gohr <andi@splitbrain.org> 225 * 226 * @param string $id media id 227 * @param int $auth no longer used 228 * @return int One of: 0, 229 * DOKU_MEDIA_DELETED, 230 * DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS, 231 * DOKU_MEDIA_NOT_AUTH, 232 * DOKU_MEDIA_INUSE 233 */ 234 function media_delete($id,$auth){ 235 global $lang; 236 $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':')); 237 if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH; 238 if(media_inuse($id)) return DOKU_MEDIA_INUSE; 239 240 $file = mediaFN($id); 241 242 // trigger an event - MEDIA_DELETE_FILE 243 $data = array(); 244 $data['id'] = $id; 245 $data['name'] = utf8_basename($file); 246 $data['path'] = $file; 247 $data['size'] = (file_exists($file)) ? filesize($file) : 0; 248 249 $data['unl'] = false; 250 $data['del'] = false; 251 $evt = new Doku_Event('MEDIA_DELETE_FILE',$data); 252 if ($evt->advise_before()) { 253 $old = @filemtime($file); 254 if(!file_exists(mediaFN($id, $old)) && file_exists($file)) { 255 // add old revision to the attic 256 media_saveOldRevision($id); 257 } 258 259 $data['unl'] = @unlink($file); 260 if($data['unl']) { 261 $sizechange = 0 - $data['size']; 262 addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange); 263 264 $data['del'] = io_sweepNS($id, 'mediadir'); 265 } 266 } 267 $evt->advise_after(); 268 unset($evt); 269 270 if($data['unl'] && $data['del']){ 271 return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS; 272 } 273 274 return $data['unl'] ? DOKU_MEDIA_DELETED : 0; 275 } 276 277 /** 278 * Handle file uploads via XMLHttpRequest 279 * 280 * @param string $ns target namespace 281 * @param int $auth current auth check result 282 * @return false|string false on error, id of the new file on success 283 */ 284 function media_upload_xhr($ns,$auth){ 285 if(!checkSecurityToken()) return false; 286 global $INPUT; 287 288 $id = $INPUT->get->str('qqfile'); 289 list($ext,$mime) = mimetype($id); 290 $input = fopen("php://input", "r"); 291 if (!($tmp = io_mktmpdir())) return false; 292 $path = $tmp.'/'.md5($id); 293 $target = fopen($path, "w"); 294 $realSize = stream_copy_to_stream($input, $target); 295 fclose($target); 296 fclose($input); 297 if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){ 298 unlink($path); 299 return false; 300 } 301 302 $res = media_save( 303 array('name' => $path, 304 'mime' => $mime, 305 'ext' => $ext), 306 $ns.':'.$id, 307 (($INPUT->get->str('ow') == 'true') ? true : false), 308 $auth, 309 'copy' 310 ); 311 unlink($path); 312 if ($tmp) io_rmdir($tmp, true); 313 if (is_array($res)) { 314 msg($res[0], $res[1]); 315 return false; 316 } 317 return $res; 318 } 319 320 /** 321 * Handles media file uploads 322 * 323 * @author Andreas Gohr <andi@splitbrain.org> 324 * @author Michael Klier <chi@chimeric.de> 325 * 326 * @param string $ns target namespace 327 * @param int $auth current auth check result 328 * @param bool|array $file $_FILES member, $_FILES['upload'] if false 329 * @return false|string false on error, id of the new file on success 330 */ 331 function media_upload($ns,$auth,$file=false){ 332 if(!checkSecurityToken()) return false; 333 global $lang; 334 global $INPUT; 335 336 // get file and id 337 $id = $INPUT->post->str('mediaid'); 338 if (!$file) $file = $_FILES['upload']; 339 if(empty($id)) $id = $file['name']; 340 341 // check for errors (messages are done in lib/exe/mediamanager.php) 342 if($file['error']) return false; 343 344 // check extensions 345 list($fext,$fmime) = mimetype($file['name']); 346 list($iext,$imime) = mimetype($id); 347 if($fext && !$iext){ 348 // no extension specified in id - read original one 349 $id .= '.'.$fext; 350 $imime = $fmime; 351 }elseif($fext && $fext != $iext){ 352 // extension was changed, print warning 353 msg(sprintf($lang['mediaextchange'],$fext,$iext)); 354 } 355 356 $res = media_save(array('name' => $file['tmp_name'], 357 'mime' => $imime, 358 'ext' => $iext), $ns.':'.$id, 359 $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file'); 360 if (is_array($res)) { 361 msg($res[0], $res[1]); 362 return false; 363 } 364 return $res; 365 } 366 367 /** 368 * An alternative to move_uploaded_file that copies 369 * 370 * Using copy, makes sure any setgid bits on the media directory are honored 371 * 372 * @see move_uploaded_file() 373 * 374 * @param string $from 375 * @param string $to 376 * @return bool 377 */ 378 function copy_uploaded_file($from, $to){ 379 if(!is_uploaded_file($from)) return false; 380 $ok = copy($from, $to); 381 @unlink($from); 382 return $ok; 383 } 384 385 /** 386 * This generates an action event and delegates to _media_upload_action(). 387 * Action plugins are allowed to pre/postprocess the uploaded file. 388 * (The triggered event is preventable.) 389 * 390 * Event data: 391 * $data[0] fn_tmp: the temporary file name (read from $_FILES) 392 * $data[1] fn: the file name of the uploaded file 393 * $data[2] id: the future directory id of the uploaded file 394 * $data[3] imime: the mimetype of the uploaded file 395 * $data[4] overwrite: if an existing file is going to be overwritten 396 * $data[5] move: name of function that performs move/copy/.. 397 * 398 * @triggers MEDIA_UPLOAD_FINISH 399 * 400 * @param array $file 401 * @param string $id media id 402 * @param bool $ow overwrite? 403 * @param int $auth permission level 404 * @param string $move name of functions that performs move/copy/.. 405 * @return false|array|string 406 */ 407 function media_save($file, $id, $ow, $auth, $move) { 408 if($auth < AUTH_UPLOAD) { 409 return array("You don't have permissions to upload files.", -1); 410 } 411 412 if (!isset($file['mime']) || !isset($file['ext'])) { 413 list($ext, $mime) = mimetype($id); 414 if (!isset($file['mime'])) { 415 $file['mime'] = $mime; 416 } 417 if (!isset($file['ext'])) { 418 $file['ext'] = $ext; 419 } 420 } 421 422 global $lang, $conf; 423 424 // get filename 425 $id = cleanID($id); 426 $fn = mediaFN($id); 427 428 // get filetype regexp 429 $types = array_keys(getMimeTypes()); 430 $types = array_map( 431 function ($q) { 432 return preg_quote($q, "/"); 433 }, 434 $types 435 ); 436 $regex = join('|',$types); 437 438 // because a temp file was created already 439 if(!preg_match('/\.('.$regex.')$/i',$fn)) { 440 return array($lang['uploadwrong'],-1); 441 } 442 443 //check for overwrite 444 $overwrite = file_exists($fn); 445 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 446 if($overwrite && (!$ow || $auth < $auth_ow)) { 447 return array($lang['uploadexist'], 0); 448 } 449 // check for valid content 450 $ok = media_contentcheck($file['name'], $file['mime']); 451 if($ok == -1){ 452 return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1); 453 }elseif($ok == -2){ 454 return array($lang['uploadspam'],-1); 455 }elseif($ok == -3){ 456 return array($lang['uploadxss'],-1); 457 } 458 459 // prepare event data 460 $data = array(); 461 $data[0] = $file['name']; 462 $data[1] = $fn; 463 $data[2] = $id; 464 $data[3] = $file['mime']; 465 $data[4] = $overwrite; 466 $data[5] = $move; 467 468 // trigger event 469 return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true); 470 } 471 472 /** 473 * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH 474 * 475 * @author Michael Klier <chi@chimeric.de> 476 * 477 * @param array $data event data 478 * @return false|array|string 479 */ 480 function _media_upload_action($data) { 481 // fixme do further sanity tests of given data? 482 if(is_array($data) && count($data)===6) { 483 return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 484 } else { 485 return false; //callback error 486 } 487 } 488 489 /** 490 * Saves an uploaded media file 491 * 492 * @author Andreas Gohr <andi@splitbrain.org> 493 * @author Michael Klier <chi@chimeric.de> 494 * @author Kate Arzamastseva <pshns@ukr.net> 495 * 496 * @param string $fn_tmp 497 * @param string $fn 498 * @param string $id media id 499 * @param string $imime mime type 500 * @param bool $overwrite overwrite existing? 501 * @param string $move function name 502 * @return array|string 503 */ 504 function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') { 505 global $conf; 506 global $lang; 507 global $REV; 508 509 $old = @filemtime($fn); 510 if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) { 511 // add old revision to the attic if missing 512 media_saveOldRevision($id); 513 } 514 515 // prepare directory 516 io_createNamespace($id, 'media'); 517 518 $filesize_old = file_exists($fn) ? filesize($fn) : 0; 519 520 if($move($fn_tmp, $fn)) { 521 @clearstatcache(true,$fn); 522 $new = @filemtime($fn); 523 // Set the correct permission here. 524 // Always chmod media because they may be saved with different permissions than expected from the php umask. 525 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 526 chmod($fn, $conf['fmode']); 527 msg($lang['uploadsucc'],1); 528 media_notify($id,$fn,$imime,$old); 529 // add a log entry to the media changelog 530 $filesize_new = filesize($fn); 531 $sizechange = $filesize_new - $filesize_old; 532 if($REV) { 533 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_REVERT, sprintf($lang['restored'], dformat($REV)), $REV, null, $sizechange); 534 } elseif($overwrite) { 535 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 536 } else { 537 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 538 } 539 return $id; 540 }else{ 541 return array($lang['uploadfail'],-1); 542 } 543 } 544 545 /** 546 * Moves the current version of media file to the media_attic 547 * directory 548 * 549 * @author Kate Arzamastseva <pshns@ukr.net> 550 * 551 * @param string $id 552 * @return int - revision date 553 */ 554 function media_saveOldRevision($id){ 555 global $conf, $lang; 556 557 $oldf = mediaFN($id); 558 if(!file_exists($oldf)) return ''; 559 $date = filemtime($oldf); 560 if (!$conf['mediarevisions']) return $date; 561 562 $medialog = new MediaChangeLog($id); 563 if (!$medialog->getRevisionInfo($date)) { 564 // there was an external edit, 565 // there is no log entry for current version of file 566 $sizechange = filesize($oldf); 567 if(!file_exists(mediaMetaFN($id, '.changes'))) { 568 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 569 } else { 570 $oldRev = $medialog->getRevisions(-1, 1); // from changelog 571 $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); 572 $filesize_old = filesize(mediaFN($id, $oldRev)); 573 $sizechange = $sizechange - $filesize_old; 574 575 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 576 } 577 } 578 579 $newf = mediaFN($id,$date); 580 io_makeFileDir($newf); 581 if(copy($oldf, $newf)) { 582 // Set the correct permission here. 583 // Always chmod media because they may be saved with different permissions than expected from the php umask. 584 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 585 chmod($newf, $conf['fmode']); 586 } 587 return $date; 588 } 589 590 /** 591 * This function checks if the uploaded content is really what the 592 * mimetype says it is. We also do spam checking for text types here. 593 * 594 * We need to do this stuff because we can not rely on the browser 595 * to do this check correctly. Yes, IE is broken as usual. 596 * 597 * @author Andreas Gohr <andi@splitbrain.org> 598 * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting 599 * @fixme check all 26 magic IE filetypes here? 600 * 601 * @param string $file path to file 602 * @param string $mime mimetype 603 * @return int 604 */ 605 function media_contentcheck($file,$mime){ 606 global $conf; 607 if($conf['iexssprotect']){ 608 $fh = @fopen($file, 'rb'); 609 if($fh){ 610 $bytes = fread($fh, 256); 611 fclose($fh); 612 if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){ 613 return -3; //XSS: possibly malicious content 614 } 615 } 616 } 617 if(substr($mime,0,6) == 'image/'){ 618 $info = @getimagesize($file); 619 if($mime == 'image/gif' && $info[2] != 1){ 620 return -1; // uploaded content did not match the file extension 621 }elseif($mime == 'image/jpeg' && $info[2] != 2){ 622 return -1; 623 }elseif($mime == 'image/png' && $info[2] != 3){ 624 return -1; 625 } 626 # fixme maybe check other images types as well 627 }elseif(substr($mime,0,5) == 'text/'){ 628 global $TEXT; 629 $TEXT = io_readFile($file); 630 if(checkwordblock()){ 631 return -2; //blocked by the spam blacklist 632 } 633 } 634 return 0; 635 } 636 637 /** 638 * Send a notify mail on uploads 639 * 640 * @author Andreas Gohr <andi@splitbrain.org> 641 * 642 * @param string $id media id 643 * @param string $file path to file 644 * @param string $mime mime type 645 * @param bool|int $old_rev revision timestamp or false 646 * @return bool 647 */ 648 function media_notify($id,$file,$mime,$old_rev=false){ 649 global $conf; 650 if(empty($conf['notify'])) return false; //notify enabled? 651 652 $subscription = new Subscription(); 653 return $subscription->send_media_diff($conf['notify'], 'uploadmail', $id, $old_rev); 654 } 655 656 /** 657 * List all files in a given Media namespace 658 * 659 * @param string $ns namespace 660 * @param null|int $auth permission level 661 * @param string $jump id 662 * @param bool $fullscreenview 663 * @param bool|string $sort sorting order, false skips sorting 664 */ 665 function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){ 666 global $conf; 667 global $lang; 668 $ns = cleanID($ns); 669 670 // check auth our self if not given (needed for ajax calls) 671 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 672 673 if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL; 674 675 if($auth < AUTH_READ){ 676 // FIXME: print permission warning here instead? 677 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 678 }else{ 679 if (!$fullscreenview) { 680 media_uploadform($ns, $auth); 681 media_searchform($ns); 682 } 683 684 $dir = utf8_encodeFN(str_replace(':','/',$ns)); 685 $data = array(); 686 search($data,$conf['mediadir'],'search_media', 687 array('showmsg'=>true,'depth'=>1),$dir,1,$sort); 688 689 if(!count($data)){ 690 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 691 }else { 692 if ($fullscreenview) { 693 echo '<ul class="' . _media_get_list_type() . '">'; 694 } 695 foreach($data as $item){ 696 if (!$fullscreenview) { 697 media_printfile($item,$auth,$jump); 698 } else { 699 media_printfile_thumbs($item,$auth,$jump); 700 } 701 } 702 if ($fullscreenview) echo '</ul>'.NL; 703 } 704 } 705 } 706 707 /** 708 * Prints tabs for files list actions 709 * 710 * @author Kate Arzamastseva <pshns@ukr.net> 711 * @author Adrian Lang <mail@adrianlang.de> 712 * 713 * @param string $selected_tab - opened tab 714 */ 715 716 function media_tabs_files($selected_tab = ''){ 717 global $lang; 718 $tabs = array(); 719 foreach(array('files' => 'mediaselect', 720 'upload' => 'media_uploadtab', 721 'search' => 'media_searchtab') as $tab => $caption) { 722 $tabs[$tab] = array('href' => media_managerURL(array('tab_files' => $tab), '&'), 723 'caption' => $lang[$caption]); 724 } 725 726 html_tabs($tabs, $selected_tab); 727 } 728 729 /** 730 * Prints tabs for files details actions 731 * 732 * @author Kate Arzamastseva <pshns@ukr.net> 733 * @param string $image filename of the current image 734 * @param string $selected_tab opened tab 735 */ 736 function media_tabs_details($image, $selected_tab = ''){ 737 global $lang, $conf; 738 739 $tabs = array(); 740 $tabs['view'] = array('href' => media_managerURL(array('tab_details' => 'view'), '&'), 741 'caption' => $lang['media_viewtab']); 742 743 list(, $mime) = mimetype($image); 744 if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) { 745 $tabs['edit'] = array('href' => media_managerURL(array('tab_details' => 'edit'), '&'), 746 'caption' => $lang['media_edittab']); 747 } 748 if ($conf['mediarevisions']) { 749 $tabs['history'] = array('href' => media_managerURL(array('tab_details' => 'history'), '&'), 750 'caption' => $lang['media_historytab']); 751 } 752 753 html_tabs($tabs, $selected_tab); 754 } 755 756 /** 757 * Prints options for the tab that displays a list of all files 758 * 759 * @author Kate Arzamastseva <pshns@ukr.net> 760 */ 761 function media_tab_files_options(){ 762 global $lang; 763 global $INPUT; 764 global $ID; 765 $form = new Doku_Form(array('class' => 'options', 'method' => 'get', 766 'action' => wl($ID))); 767 $media_manager_params = media_managerURL(array(), '', false, true); 768 foreach($media_manager_params as $pKey => $pVal){ 769 $form->addHidden($pKey, $pVal); 770 } 771 $form->addHidden('sectok', null); 772 if ($INPUT->has('q')) { 773 $form->addHidden('q', $INPUT->str('q')); 774 } 775 $form->addElement('<ul>'.NL); 776 foreach(array('list' => array('listType', array('thumbs', 'rows')), 777 'sort' => array('sortBy', array('name', 'date'))) 778 as $group => $content) { 779 $checked = "_media_get_$group}_type"; 780 $checked = $checked(); 781 782 $form->addElement('<li class="' . $content[0] . '">'); 783 foreach($content[1] as $option) { 784 $attrs = array(); 785 if ($checked == $option) { 786 $attrs['checked'] = 'checked'; 787 } 788 $form->addElement(form_makeRadioField($group . '_dwmedia', $option, 789 $lang['media_' . $group . '_' . $option], 790 $content[0] . '__' . $option, 791 $option, $attrs)); 792 } 793 $form->addElement('</li>'.NL); 794 } 795 $form->addElement('<li>'); 796 $form->addElement(form_makeButton('submit', '', $lang['btn_apply'])); 797 $form->addElement('</li>'.NL); 798 $form->addElement('</ul>'.NL); 799 $form->printForm(); 800 } 801 802 /** 803 * Returns type of sorting for the list of files in media manager 804 * 805 * @author Kate Arzamastseva <pshns@ukr.net> 806 * 807 * @return string - sort type 808 */ 809 function _media_get_sort_type() { 810 return _media_get_display_param('sort', array('default' => 'name', 'date')); 811 } 812 813 /** 814 * Returns type of listing for the list of files in media manager 815 * 816 * @author Kate Arzamastseva <pshns@ukr.net> 817 * 818 * @return string - list type 819 */ 820 function _media_get_list_type() { 821 return _media_get_display_param('list', array('default' => 'thumbs', 'rows')); 822 } 823 824 /** 825 * Get display parameters 826 * 827 * @param string $param name of parameter 828 * @param array $values allowed values, where default value has index key 'default' 829 * @return string the parameter value 830 */ 831 function _media_get_display_param($param, $values) { 832 global $INPUT; 833 if (in_array($INPUT->str($param), $values)) { 834 // FIXME: Set cookie 835 return $INPUT->str($param); 836 } else { 837 $val = get_doku_pref($param, $values['default']); 838 if (!in_array($val, $values)) { 839 $val = $values['default']; 840 } 841 return $val; 842 } 843 } 844 845 /** 846 * Prints tab that displays a list of all files 847 * 848 * @author Kate Arzamastseva <pshns@ukr.net> 849 * 850 * @param string $ns 851 * @param null|int $auth permission level 852 * @param string $jump item id 853 */ 854 function media_tab_files($ns,$auth=null,$jump='') { 855 global $lang; 856 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 857 858 if($auth < AUTH_READ){ 859 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 860 }else{ 861 media_filelist($ns,$auth,$jump,true,_media_get_sort_type()); 862 } 863 } 864 865 /** 866 * Prints tab that displays uploading form 867 * 868 * @author Kate Arzamastseva <pshns@ukr.net> 869 * 870 * @param string $ns 871 * @param null|int $auth permission level 872 * @param string $jump item id 873 */ 874 function media_tab_upload($ns,$auth=null,$jump='') { 875 global $lang; 876 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 877 878 echo '<div class="upload">'.NL; 879 if ($auth >= AUTH_UPLOAD) { 880 echo '<p>' . $lang['mediaupload'] . '</p>'; 881 } 882 media_uploadform($ns, $auth, true); 883 echo '</div>'.NL; 884 } 885 886 /** 887 * Prints tab that displays search form 888 * 889 * @author Kate Arzamastseva <pshns@ukr.net> 890 * 891 * @param string $ns 892 * @param null|int $auth permission level 893 */ 894 function media_tab_search($ns,$auth=null) { 895 global $INPUT; 896 897 $do = $INPUT->str('mediado'); 898 $query = $INPUT->str('q'); 899 echo '<div class="search">'.NL; 900 901 media_searchform($ns, $query, true); 902 if ($do == 'searchlist' || $query) { 903 media_searchlist($query,$ns,$auth,true,_media_get_sort_type()); 904 } 905 echo '</div>'.NL; 906 } 907 908 /** 909 * Prints tab that displays mediafile details 910 * 911 * @author Kate Arzamastseva <pshns@ukr.net> 912 * 913 * @param string $image media id 914 * @param string $ns 915 * @param null|int $auth permission level 916 * @param string|int $rev revision timestamp or empty string 917 */ 918 function media_tab_view($image, $ns, $auth=null, $rev='') { 919 global $lang; 920 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 921 922 if ($image && $auth >= AUTH_READ) { 923 $meta = new JpegMeta(mediaFN($image, $rev)); 924 media_preview($image, $auth, $rev, $meta); 925 media_preview_buttons($image, $auth, $rev); 926 media_details($image, $auth, $rev, $meta); 927 928 } else { 929 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 930 } 931 } 932 933 /** 934 * Prints tab that displays form for editing mediafile metadata 935 * 936 * @author Kate Arzamastseva <pshns@ukr.net> 937 * 938 * @param string $image media id 939 * @param string $ns 940 * @param null|int $auth permission level 941 */ 942 function media_tab_edit($image, $ns, $auth=null) { 943 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 944 945 if ($image) { 946 list(, $mime) = mimetype($image); 947 if ($mime == 'image/jpeg') media_metaform($image,$auth); 948 } 949 } 950 951 /** 952 * Prints tab that displays mediafile revisions 953 * 954 * @author Kate Arzamastseva <pshns@ukr.net> 955 * 956 * @param string $image media id 957 * @param string $ns 958 * @param null|int $auth permission level 959 */ 960 function media_tab_history($image, $ns, $auth=null) { 961 global $lang; 962 global $INPUT; 963 964 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 965 $do = $INPUT->str('mediado'); 966 967 if ($auth >= AUTH_READ && $image) { 968 if ($do == 'diff'){ 969 media_diff($image, $ns, $auth); 970 } else { 971 $first = $INPUT->int('first'); 972 html_revisions($first, $image); 973 } 974 } else { 975 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 976 } 977 } 978 979 /** 980 * Prints mediafile details 981 * 982 * @param string $image media id 983 * @param int $auth permission level 984 * @param int|string $rev revision timestamp or empty string 985 * @param JpegMeta|bool $meta 986 * 987 * @author Kate Arzamastseva <pshns@ukr.net> 988 */ 989 function media_preview($image, $auth, $rev='', $meta=false) { 990 991 $size = media_image_preview_size($image, $rev, $meta); 992 993 if ($size) { 994 global $lang; 995 echo '<div class="image">'; 996 997 $more = array(); 998 if ($rev) { 999 $more['rev'] = $rev; 1000 } else { 1001 $t = @filemtime(mediaFN($image)); 1002 $more['t'] = $t; 1003 } 1004 1005 $more['w'] = $size[0]; 1006 $more['h'] = $size[1]; 1007 $src = ml($image, $more); 1008 1009 echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">'; 1010 echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />'; 1011 echo '</a>'; 1012 1013 echo '</div>'.NL; 1014 } 1015 } 1016 1017 /** 1018 * Prints mediafile action buttons 1019 * 1020 * @author Kate Arzamastseva <pshns@ukr.net> 1021 * 1022 * @param string $image media id 1023 * @param int $auth permission level 1024 * @param string|int $rev revision timestamp, or empty string 1025 */ 1026 function media_preview_buttons($image, $auth, $rev='') { 1027 global $lang, $conf; 1028 1029 echo '<ul class="actions">'.NL; 1030 1031 if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){ 1032 1033 // delete button 1034 $form = new Doku_Form(array('id' => 'mediamanager__btn_delete', 1035 'action'=>media_managerURL(array('delete' => $image), '&'))); 1036 $form->addElement(form_makeButton('submit','',$lang['btn_delete'])); 1037 echo '<li>'; 1038 $form->printForm(); 1039 echo '</li>'.NL; 1040 } 1041 1042 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1043 if($auth >= $auth_ow && !$rev){ 1044 1045 // upload new version button 1046 $form = new Doku_Form(array('id' => 'mediamanager__btn_update', 1047 'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&'))); 1048 $form->addElement(form_makeButton('submit','',$lang['media_update'])); 1049 echo '<li>'; 1050 $form->printForm(); 1051 echo '</li>'.NL; 1052 } 1053 1054 if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){ 1055 1056 // restore button 1057 $form = new Doku_Form(array('id' => 'mediamanager__btn_restore', 1058 'action'=>media_managerURL(array('image' => $image), '&'))); 1059 $form->addHidden('mediado','restore'); 1060 $form->addHidden('rev',$rev); 1061 $form->addElement(form_makeButton('submit','',$lang['media_restore'])); 1062 echo '<li>'; 1063 $form->printForm(); 1064 echo '</li>'.NL; 1065 } 1066 1067 echo '</ul>'.NL; 1068 } 1069 1070 /** 1071 * Returns image width and height for mediamanager preview panel 1072 * 1073 * @author Kate Arzamastseva <pshns@ukr.net> 1074 * @param string $image 1075 * @param int|string $rev 1076 * @param JpegMeta|bool $meta 1077 * @param int $size 1078 * @return array|false 1079 */ 1080 function media_image_preview_size($image, $rev, $meta, $size = 500) { 1081 if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false; 1082 1083 $info = getimagesize(mediaFN($image, $rev)); 1084 $w = (int) $info[0]; 1085 $h = (int) $info[1]; 1086 1087 if($meta && ($w > $size || $h > $size)){ 1088 $ratio = $meta->getResizeRatio($size, $size); 1089 $w = floor($w * $ratio); 1090 $h = floor($h * $ratio); 1091 } 1092 return array($w, $h); 1093 } 1094 1095 /** 1096 * Returns the requested EXIF/IPTC tag from the image meta 1097 * 1098 * @author Kate Arzamastseva <pshns@ukr.net> 1099 * 1100 * @param array $tags array with tags, first existing is returned 1101 * @param JpegMeta $meta 1102 * @param string $alt alternative value 1103 * @return string 1104 */ 1105 function media_getTag($tags,$meta,$alt=''){ 1106 if($meta === false) return $alt; 1107 $info = $meta->getField($tags); 1108 if($info == false) return $alt; 1109 return $info; 1110 } 1111 1112 /** 1113 * Returns mediafile tags 1114 * 1115 * @author Kate Arzamastseva <pshns@ukr.net> 1116 * 1117 * @param JpegMeta $meta 1118 * @return array list of tags of the mediafile 1119 */ 1120 function media_file_tags($meta) { 1121 // load the field descriptions 1122 static $fields = null; 1123 if(is_null($fields)){ 1124 $config_files = getConfigFiles('mediameta'); 1125 foreach ($config_files as $config_file) { 1126 if(file_exists($config_file)) include($config_file); 1127 } 1128 } 1129 1130 $tags = array(); 1131 1132 foreach($fields as $key => $tag){ 1133 $t = array(); 1134 if (!empty($tag[0])) $t = array($tag[0]); 1135 if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]); 1136 $value = media_getTag($t, $meta); 1137 $tags[] = array('tag' => $tag, 'value' => $value); 1138 } 1139 1140 return $tags; 1141 } 1142 1143 /** 1144 * Prints mediafile tags 1145 * 1146 * @author Kate Arzamastseva <pshns@ukr.net> 1147 * 1148 * @param string $image image id 1149 * @param int $auth permission level 1150 * @param string|int $rev revision timestamp, or empty string 1151 * @param bool|JpegMeta $meta image object, or create one if false 1152 */ 1153 function media_details($image, $auth, $rev='', $meta=false) { 1154 global $lang; 1155 1156 if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev)); 1157 $tags = media_file_tags($meta); 1158 1159 echo '<dl>'.NL; 1160 foreach($tags as $tag){ 1161 if ($tag['value']) { 1162 $value = cleanText($tag['value']); 1163 echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>'; 1164 if ($tag['tag'][2] == 'date') echo dformat($value); 1165 else echo hsc($value); 1166 echo '</dd>'.NL; 1167 } 1168 } 1169 echo '</dl>'.NL; 1170 echo '<dl>'.NL; 1171 echo '<dt>'.$lang['reference'].':</dt>'; 1172 $media_usage = ft_mediause($image,true); 1173 if(count($media_usage) > 0){ 1174 foreach($media_usage as $path){ 1175 echo '<dd>'.html_wikilink($path).'</dd>'; 1176 } 1177 }else{ 1178 echo '<dd>'.$lang['nothingfound'].'</dd>'; 1179 } 1180 echo '</dl>'.NL; 1181 1182 } 1183 1184 /** 1185 * Shows difference between two revisions of file 1186 * 1187 * @author Kate Arzamastseva <pshns@ukr.net> 1188 * 1189 * @param string $image image id 1190 * @param string $ns 1191 * @param int $auth permission level 1192 * @param bool $fromajax 1193 * @return false|null|string 1194 */ 1195 function media_diff($image, $ns, $auth, $fromajax = false) { 1196 global $conf; 1197 global $INPUT; 1198 1199 if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return ''; 1200 1201 $rev1 = $INPUT->int('rev'); 1202 1203 $rev2 = $INPUT->ref('rev2'); 1204 if(is_array($rev2)){ 1205 $rev1 = (int) $rev2[0]; 1206 $rev2 = (int) $rev2[1]; 1207 1208 if(!$rev1){ 1209 $rev1 = $rev2; 1210 unset($rev2); 1211 } 1212 }else{ 1213 $rev2 = $INPUT->int('rev2'); 1214 } 1215 1216 if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false; 1217 if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false; 1218 1219 if($rev1 && $rev2){ // two specific revisions wanted 1220 // make sure order is correct (older on the left) 1221 if($rev1 < $rev2){ 1222 $l_rev = $rev1; 1223 $r_rev = $rev2; 1224 }else{ 1225 $l_rev = $rev2; 1226 $r_rev = $rev1; 1227 } 1228 }elseif($rev1){ // single revision given, compare to current 1229 $r_rev = ''; 1230 $l_rev = $rev1; 1231 }else{ // no revision was given, compare previous to current 1232 $r_rev = ''; 1233 $medialog = new MediaChangeLog($image); 1234 $revs = $medialog->getRevisions(0, 1); 1235 if (file_exists(mediaFN($image, $revs[0]))) { 1236 $l_rev = $revs[0]; 1237 } else { 1238 $l_rev = ''; 1239 } 1240 } 1241 1242 // prepare event data 1243 $data = array(); 1244 $data[0] = $image; 1245 $data[1] = $l_rev; 1246 $data[2] = $r_rev; 1247 $data[3] = $ns; 1248 $data[4] = $auth; 1249 $data[5] = $fromajax; 1250 1251 // trigger event 1252 return trigger_event('MEDIA_DIFF', $data, '_media_file_diff', true); 1253 } 1254 1255 /** 1256 * Callback for media file diff 1257 * 1258 * @param array $data event data 1259 * @return false|null 1260 */ 1261 function _media_file_diff($data) { 1262 if(is_array($data) && count($data)===6) { 1263 media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 1264 } else { 1265 return false; 1266 } 1267 } 1268 1269 /** 1270 * Shows difference between two revisions of image 1271 * 1272 * @author Kate Arzamastseva <pshns@ukr.net> 1273 * 1274 * @param string $image 1275 * @param string|int $l_rev revision timestamp, or empty string 1276 * @param string|int $r_rev revision timestamp, or empty string 1277 * @param string $ns 1278 * @param int $auth permission level 1279 * @param bool $fromajax 1280 */ 1281 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){ 1282 global $lang; 1283 global $INPUT; 1284 1285 $l_meta = new JpegMeta(mediaFN($image, $l_rev)); 1286 $r_meta = new JpegMeta(mediaFN($image, $r_rev)); 1287 1288 $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image); 1289 if ($is_img) { 1290 $l_size = media_image_preview_size($image, $l_rev, $l_meta); 1291 $r_size = media_image_preview_size($image, $r_rev, $r_meta); 1292 $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30)); 1293 1294 $difftype = $INPUT->str('difftype'); 1295 1296 if (!$fromajax) { 1297 $form = new Doku_Form(array( 1298 'action' => media_managerURL(array(), '&'), 1299 'method' => 'get', 1300 'id' => 'mediamanager__form_diffview', 1301 'class' => 'diffView' 1302 )); 1303 $form->addHidden('sectok', null); 1304 $form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>'); 1305 $form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>'); 1306 $form->addHidden('mediado', 'diff'); 1307 $form->printForm(); 1308 1309 echo NL.'<div id="mediamanager__diff" >'.NL; 1310 } 1311 1312 if ($difftype == 'opacity' || $difftype == 'portions') { 1313 media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype); 1314 if (!$fromajax) echo '</div>'; 1315 return; 1316 } 1317 } 1318 1319 list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true); 1320 1321 ?> 1322 <div class="table"> 1323 <table> 1324 <tr> 1325 <th><?php echo $l_head; ?></th> 1326 <th><?php echo $r_head; ?></th> 1327 </tr> 1328 <?php 1329 1330 echo '<tr class="image">'; 1331 echo '<td>'; 1332 media_preview($image, $auth, $l_rev, $l_meta); 1333 echo '</td>'; 1334 1335 echo '<td>'; 1336 media_preview($image, $auth, $r_rev, $r_meta); 1337 echo '</td>'; 1338 echo '</tr>'.NL; 1339 1340 echo '<tr class="actions">'; 1341 echo '<td>'; 1342 media_preview_buttons($image, $auth, $l_rev); 1343 echo '</td>'; 1344 1345 echo '<td>'; 1346 media_preview_buttons($image, $auth, $r_rev); 1347 echo '</td>'; 1348 echo '</tr>'.NL; 1349 1350 $l_tags = media_file_tags($l_meta); 1351 $r_tags = media_file_tags($r_meta); 1352 // FIXME r_tags-only stuff 1353 foreach ($l_tags as $key => $l_tag) { 1354 if ($l_tag['value'] != $r_tags[$key]['value']) { 1355 $r_tags[$key]['highlighted'] = true; 1356 $l_tags[$key]['highlighted'] = true; 1357 } else if (!$l_tag['value'] || !$r_tags[$key]['value']) { 1358 unset($r_tags[$key]); 1359 unset($l_tags[$key]); 1360 } 1361 } 1362 1363 echo '<tr>'; 1364 foreach(array($l_tags,$r_tags) as $tags){ 1365 echo '<td>'.NL; 1366 1367 echo '<dl class="img_tags">'; 1368 foreach($tags as $tag){ 1369 $value = cleanText($tag['value']); 1370 if (!$value) $value = '-'; 1371 echo '<dt>'.$lang[$tag['tag'][1]].'</dt>'; 1372 echo '<dd>'; 1373 if ($tag['highlighted']) { 1374 echo '<strong>'; 1375 } 1376 if ($tag['tag'][2] == 'date') echo dformat($value); 1377 else echo hsc($value); 1378 if ($tag['highlighted']) { 1379 echo '</strong>'; 1380 } 1381 echo '</dd>'; 1382 } 1383 echo '</dl>'.NL; 1384 1385 echo '</td>'; 1386 } 1387 echo '</tr>'.NL; 1388 1389 echo '</table>'.NL; 1390 echo '</div>'.NL; 1391 1392 if ($is_img && !$fromajax) echo '</div>'; 1393 } 1394 1395 /** 1396 * Prints two images side by side 1397 * and slider 1398 * 1399 * @author Kate Arzamastseva <pshns@ukr.net> 1400 * 1401 * @param string $image image id 1402 * @param int $l_rev revision timestamp, or empty string 1403 * @param int $r_rev revision timestamp, or empty string 1404 * @param array $l_size array with width and height 1405 * @param array $r_size array with width and height 1406 * @param string $type 1407 */ 1408 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) { 1409 if ($l_size != $r_size) { 1410 if ($r_size[0] > $l_size[0]) { 1411 $l_size = $r_size; 1412 } 1413 } 1414 1415 $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1416 $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1417 1418 $l_src = ml($image, $l_more); 1419 $r_src = ml($image, $r_more); 1420 1421 // slider 1422 echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL; 1423 1424 // two images in divs 1425 echo '<div class="imageDiff ' . $type . '">'.NL; 1426 echo '<div class="image1" style="max-width: '.$l_size[0].'px;">'; 1427 echo '<img src="'.$l_src.'" alt="" />'; 1428 echo '</div>'.NL; 1429 echo '<div class="image2" style="max-width: '.$l_size[0].'px;">'; 1430 echo '<img src="'.$r_src.'" alt="" />'; 1431 echo '</div>'.NL; 1432 echo '</div>'.NL; 1433 } 1434 1435 /** 1436 * Restores an old revision of a media file 1437 * 1438 * @param string $image media id 1439 * @param int $rev revision timestamp or empty string 1440 * @param int $auth 1441 * @return string - file's id 1442 * 1443 * @author Kate Arzamastseva <pshns@ukr.net> 1444 */ 1445 function media_restore($image, $rev, $auth){ 1446 global $conf; 1447 if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false; 1448 $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes'))); 1449 if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false; 1450 if (!$rev || !file_exists(mediaFN($image, $rev))) return false; 1451 list(,$imime,) = mimetype($image); 1452 $res = media_upload_finish(mediaFN($image, $rev), 1453 mediaFN($image), 1454 $image, 1455 $imime, 1456 true, 1457 'copy'); 1458 if (is_array($res)) { 1459 msg($res[0], $res[1]); 1460 return false; 1461 } 1462 return $res; 1463 } 1464 1465 /** 1466 * List all files found by the search request 1467 * 1468 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1469 * @author Andreas Gohr <gohr@cosmocode.de> 1470 * @author Kate Arzamastseva <pshns@ukr.net> 1471 * @triggers MEDIA_SEARCH 1472 * 1473 * @param string $query 1474 * @param string $ns 1475 * @param null|int $auth 1476 * @param bool $fullscreen 1477 * @param string $sort 1478 */ 1479 function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){ 1480 global $conf; 1481 global $lang; 1482 1483 $ns = cleanID($ns); 1484 $evdata = array( 1485 'ns' => $ns, 1486 'data' => array(), 1487 'query' => $query 1488 ); 1489 if (!blank($query)) { 1490 $evt = new Doku_Event('MEDIA_SEARCH', $evdata); 1491 if ($evt->advise_before()) { 1492 $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns'])); 1493 $quoted = preg_quote($evdata['query'],'/'); 1494 //apply globbing 1495 $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count); 1496 1497 //if we use globbing file name must match entirely but may be preceded by arbitrary namespace 1498 if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$'; 1499 1500 $pattern = '/'.$quoted.'/i'; 1501 search($evdata['data'], 1502 $conf['mediadir'], 1503 'search_media', 1504 array('showmsg'=>false,'pattern'=>$pattern), 1505 $dir, 1506 1, 1507 $sort); 1508 } 1509 $evt->advise_after(); 1510 unset($evt); 1511 } 1512 1513 if (!$fullscreen) { 1514 echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL; 1515 media_searchform($ns,$query); 1516 } 1517 1518 if(!count($evdata['data'])){ 1519 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 1520 }else { 1521 if ($fullscreen) { 1522 echo '<ul class="' . _media_get_list_type() . '">'; 1523 } 1524 foreach($evdata['data'] as $item){ 1525 if (!$fullscreen) media_printfile($item,$item['perm'],'',true); 1526 else media_printfile_thumbs($item,$item['perm'],false,true); 1527 } 1528 if ($fullscreen) echo '</ul>'.NL; 1529 } 1530 } 1531 1532 /** 1533 * Formats and prints one file in the list 1534 * 1535 * @param array $item 1536 * @param int $auth permission level 1537 * @param string $jump item id 1538 * @param bool $display_namespace 1539 */ 1540 function media_printfile($item,$auth,$jump,$display_namespace=false){ 1541 global $lang; 1542 1543 // Prepare zebra coloring 1544 // I always wanted to use this variable name :-D 1545 static $twibble = 1; 1546 $twibble *= -1; 1547 $zebra = ($twibble == -1) ? 'odd' : 'even'; 1548 1549 // Automatically jump to recent action 1550 if($jump == $item['id']) { 1551 $jump = ' id="scroll__here" '; 1552 }else{ 1553 $jump = ''; 1554 } 1555 1556 // Prepare fileicons 1557 list($ext) = mimetype($item['file'],false); 1558 $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext); 1559 $class = 'select mediafile mf_'.$class; 1560 1561 // Prepare filename 1562 $file = utf8_decodeFN($item['file']); 1563 1564 // Prepare info 1565 $info = ''; 1566 if($item['isimg']){ 1567 $info .= (int) $item['meta']->getField('File.Width'); 1568 $info .= '×'; 1569 $info .= (int) $item['meta']->getField('File.Height'); 1570 $info .= ' '; 1571 } 1572 $info .= '<i>'.dformat($item['mtime']).'</i>'; 1573 $info .= ' '; 1574 $info .= filesize_h($item['size']); 1575 1576 // output 1577 echo '<div class="'.$zebra.'"'.$jump.' title="'.hsc($item['id']).'">'.NL; 1578 if (!$display_namespace) { 1579 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> '; 1580 } else { 1581 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>'; 1582 } 1583 echo '<span class="info">('.$info.')</span>'.NL; 1584 1585 // view button 1586 $link = ml($item['id'],'',true); 1587 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '. 1588 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>'; 1589 1590 // mediamanager button 1591 $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id']))); 1592 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '. 1593 'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>'; 1594 1595 // delete button 1596 if($item['writable'] && $auth >= AUTH_DELETE){ 1597 $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']). 1598 '&sectok='.getSecurityToken(); 1599 echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'. 1600 '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '. 1601 'title="'.$lang['btn_delete'].'" class="btn" /></a>'; 1602 } 1603 1604 echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">'; 1605 echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>'; 1606 echo '</div>'; 1607 if($item['isimg']) media_printimgdetail($item); 1608 echo '<div class="clearer"></div>'.NL; 1609 echo '</div>'.NL; 1610 } 1611 1612 /** 1613 * Display a media icon 1614 * 1615 * @param string $filename media id 1616 * @param string $size the size subfolder, if not specified 16x16 is used 1617 * @return string html 1618 */ 1619 function media_printicon($filename, $size=''){ 1620 list($ext) = mimetype(mediaFN($filename),false); 1621 1622 if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) { 1623 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png'; 1624 } else { 1625 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png'; 1626 } 1627 1628 return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />'; 1629 } 1630 1631 /** 1632 * Formats and prints one file in the list in the thumbnails view 1633 * 1634 * @author Kate Arzamastseva <pshns@ukr.net> 1635 * 1636 * @param array $item 1637 * @param int $auth permission level 1638 * @param bool|string $jump item id 1639 * @param bool $display_namespace 1640 */ 1641 function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){ 1642 1643 // Prepare filename 1644 $file = utf8_decodeFN($item['file']); 1645 1646 // output 1647 echo '<li><dl title="'.hsc($item['id']).'">'.NL; 1648 1649 echo '<dt>'; 1650 if($item['isimg']) { 1651 media_printimgdetail($item, true); 1652 1653 } else { 1654 echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'. 1655 media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1656 'tab_details' => 'view')).'">'; 1657 echo media_printicon($item['id'], '32x32'); 1658 echo '</a>'; 1659 } 1660 echo '</dt>'.NL; 1661 if (!$display_namespace) { 1662 $name = hsc($file); 1663 } else { 1664 $name = hsc($item['id']); 1665 } 1666 echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1667 'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL; 1668 1669 if($item['isimg']){ 1670 $size = ''; 1671 $size .= (int) $item['meta']->getField('File.Width'); 1672 $size .= '×'; 1673 $size .= (int) $item['meta']->getField('File.Height'); 1674 echo '<dd class="size">'.$size.'</dd>'.NL; 1675 } else { 1676 echo '<dd class="size"> </dd>'.NL; 1677 } 1678 $date = dformat($item['mtime']); 1679 echo '<dd class="date">'.$date.'</dd>'.NL; 1680 $filesize = filesize_h($item['size']); 1681 echo '<dd class="filesize">'.$filesize.'</dd>'.NL; 1682 echo '</dl></li>'.NL; 1683 } 1684 1685 /** 1686 * Prints a thumbnail and metainfo 1687 * 1688 * @param array $item 1689 * @param bool $fullscreen 1690 */ 1691 function media_printimgdetail($item, $fullscreen=false){ 1692 // prepare thumbnail 1693 $size = $fullscreen ? 90 : 120; 1694 1695 $w = (int) $item['meta']->getField('File.Width'); 1696 $h = (int) $item['meta']->getField('File.Height'); 1697 if($w>$size || $h>$size){ 1698 if (!$fullscreen) { 1699 $ratio = $item['meta']->getResizeRatio($size); 1700 } else { 1701 $ratio = $item['meta']->getResizeRatio($size,$size); 1702 } 1703 $w = floor($w * $ratio); 1704 $h = floor($h * $ratio); 1705 } 1706 $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime'])); 1707 $p = array(); 1708 if (!$fullscreen) { 1709 // In fullscreen mediamanager view, image resizing is done via CSS. 1710 $p['width'] = $w; 1711 $p['height'] = $h; 1712 } 1713 $p['alt'] = $item['id']; 1714 $att = buildAttributes($p); 1715 1716 // output 1717 if ($fullscreen) { 1718 echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'. 1719 media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view')).'">'; 1720 echo '<img src="'.$src.'" '.$att.' />'; 1721 echo '</a>'; 1722 } 1723 1724 if ($fullscreen) return; 1725 1726 echo '<div class="detail">'; 1727 echo '<div class="thumb">'; 1728 echo '<a id="d_:'.$item['id'].'" class="select">'; 1729 echo '<img src="'.$src.'" '.$att.' />'; 1730 echo '</a>'; 1731 echo '</div>'; 1732 1733 // read EXIF/IPTC data 1734 $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title')); 1735 $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment', 1736 'EXIF.TIFFImageDescription', 1737 'EXIF.TIFFUserComment')); 1738 if(utf8_strlen($d) > 250) $d = utf8_substr($d,0,250).'...'; 1739 $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject')); 1740 1741 // print EXIF/IPTC data 1742 if($t || $d || $k ){ 1743 echo '<p>'; 1744 if($t) echo '<strong>'.hsc($t).'</strong><br />'; 1745 if($d) echo hsc($d).'<br />'; 1746 if($t) echo '<em>'.hsc($k).'</em>'; 1747 echo '</p>'; 1748 } 1749 echo '</div>'; 1750 } 1751 1752 /** 1753 * Build link based on the current, adding/rewriting parameters 1754 * 1755 * @author Kate Arzamastseva <pshns@ukr.net> 1756 * 1757 * @param array|bool $params 1758 * @param string $amp separator 1759 * @param bool $abs absolute url? 1760 * @param bool $params_array return the parmeters array? 1761 * @return string|array - link or link parameters 1762 */ 1763 function media_managerURL($params=false, $amp='&', $abs=false, $params_array=false) { 1764 global $ID; 1765 global $INPUT; 1766 1767 $gets = array('do' => 'media'); 1768 $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'); 1769 foreach ($media_manager_params as $x) { 1770 if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x); 1771 } 1772 1773 if ($params) { 1774 $gets = $params + $gets; 1775 } 1776 unset($gets['id']); 1777 if (isset($gets['delete'])) { 1778 unset($gets['image']); 1779 unset($gets['tab_details']); 1780 } 1781 1782 if ($params_array) return $gets; 1783 1784 return wl($ID,$gets,$abs,$amp); 1785 } 1786 1787 /** 1788 * Print the media upload form if permissions are correct 1789 * 1790 * @author Andreas Gohr <andi@splitbrain.org> 1791 * @author Kate Arzamastseva <pshns@ukr.net> 1792 * 1793 * @param string $ns 1794 * @param int $auth permission level 1795 * @param bool $fullscreen 1796 */ 1797 function media_uploadform($ns, $auth, $fullscreen = false){ 1798 global $lang; 1799 global $conf; 1800 global $INPUT; 1801 1802 if($auth < AUTH_UPLOAD) { 1803 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 1804 return; 1805 } 1806 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1807 1808 $update = false; 1809 $id = ''; 1810 if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') { 1811 $update = true; 1812 $id = cleanID($INPUT->str('image')); 1813 } 1814 1815 // The default HTML upload form 1816 $params = array('id' => 'dw__upload', 1817 'enctype' => 'multipart/form-data'); 1818 if (!$fullscreen) { 1819 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1820 } else { 1821 $params['action'] = media_managerURL(array('tab_files' => 'files', 1822 'tab_details' => 'view'), '&'); 1823 } 1824 1825 $form = new Doku_Form($params); 1826 if (!$fullscreen) echo '<div class="upload">' . $lang['mediaupload'] . '</div>'; 1827 $form->addElement(formSecurityToken()); 1828 $form->addHidden('ns', hsc($ns)); 1829 $form->addElement(form_makeOpenTag('p')); 1830 $form->addElement(form_makeFileField('upload', $lang['txt_upload'], 'upload__file')); 1831 $form->addElement(form_makeCloseTag('p')); 1832 $form->addElement(form_makeOpenTag('p')); 1833 $form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name')); 1834 $form->addElement(form_makeButton('submit', '', $lang['btn_upload'])); 1835 $form->addElement(form_makeCloseTag('p')); 1836 1837 if($auth >= $auth_ow){ 1838 $form->addElement(form_makeOpenTag('p')); 1839 $attrs = array(); 1840 if ($update) $attrs['checked'] = 'checked'; 1841 $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs)); 1842 $form->addElement(form_makeCloseTag('p')); 1843 } 1844 1845 echo NL.'<div id="mediamanager__uploader">'.NL; 1846 html_form('upload', $form); 1847 1848 echo '</div>'.NL; 1849 1850 echo '<p class="maxsize">'; 1851 printf($lang['maxuploadsize'],filesize_h(media_getuploadsize())); 1852 echo '</p>'.NL; 1853 1854 } 1855 1856 /** 1857 * Returns the size uploaded files may have 1858 * 1859 * This uses a conservative approach using the lowest number found 1860 * in any of the limiting ini settings 1861 * 1862 * @returns int size in bytes 1863 */ 1864 function media_getuploadsize(){ 1865 $okay = 0; 1866 1867 $post = (int) php_to_byte(@ini_get('post_max_size')); 1868 $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length')); 1869 $upld = (int) php_to_byte(@ini_get('upload_max_filesize')); 1870 1871 if($post && ($post < $okay || $okay == 0)) $okay = $post; 1872 if($suho && ($suho < $okay || $okay == 0)) $okay = $suho; 1873 if($upld && ($upld < $okay || $okay == 0)) $okay = $upld; 1874 1875 return $okay; 1876 } 1877 1878 /** 1879 * Print the search field form 1880 * 1881 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1882 * @author Kate Arzamastseva <pshns@ukr.net> 1883 * 1884 * @param string $ns 1885 * @param string $query 1886 * @param bool $fullscreen 1887 */ 1888 function media_searchform($ns,$query='',$fullscreen=false){ 1889 global $lang; 1890 1891 // The default HTML search form 1892 $params = array('id' => 'dw__mediasearch'); 1893 if (!$fullscreen) { 1894 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1895 } else { 1896 $params['action'] = media_managerURL(array(), '&'); 1897 } 1898 $form = new Doku_Form($params); 1899 $form->addHidden('ns', $ns); 1900 $form->addHidden($fullscreen ? 'mediado' : 'do', 'searchlist'); 1901 1902 $form->addElement(form_makeOpenTag('p')); 1903 $form->addElement(form_makeTextField('q', $query,$lang['searchmedia'],'','',array('title'=>sprintf($lang['searchmedia_in'],hsc($ns).':*')))); 1904 $form->addElement(form_makeButton('submit', '', $lang['btn_search'])); 1905 $form->addElement(form_makeCloseTag('p')); 1906 html_form('searchmedia', $form); 1907 } 1908 1909 /** 1910 * Build a tree outline of available media namespaces 1911 * 1912 * @author Andreas Gohr <andi@splitbrain.org> 1913 * 1914 * @param string $ns 1915 */ 1916 function media_nstree($ns){ 1917 global $conf; 1918 global $lang; 1919 1920 // currently selected namespace 1921 $ns = cleanID($ns); 1922 if(empty($ns)){ 1923 global $ID; 1924 $ns = (string)getNS($ID); 1925 } 1926 1927 $ns_dir = utf8_encodeFN(str_replace(':','/',$ns)); 1928 1929 $data = array(); 1930 search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true)); 1931 1932 // wrap a list with the root level around the other namespaces 1933 array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true', 1934 'label' => '['.$lang['mediaroot'].']')); 1935 1936 // insert the current ns into the hierarchy if it isn't already part of it 1937 $ns_parts = explode(':', $ns); 1938 $tmp_ns = ''; 1939 $pos = 0; 1940 foreach ($ns_parts as $level => $part) { 1941 if ($tmp_ns) $tmp_ns .= ':'.$part; 1942 else $tmp_ns = $part; 1943 1944 // find the namespace parts or insert them 1945 while ($data[$pos]['id'] != $tmp_ns) { 1946 if ($pos >= count($data) || ($data[$pos]['level'] <= $level+1 && strnatcmp(utf8_encodeFN($data[$pos]['id']), utf8_encodeFN($tmp_ns)) > 0)) { 1947 array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true'))); 1948 break; 1949 } 1950 ++$pos; 1951 } 1952 } 1953 1954 echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li'); 1955 } 1956 1957 /** 1958 * Userfunction for html_buildlist 1959 * 1960 * Prints a media namespace tree item 1961 * 1962 * @author Andreas Gohr <andi@splitbrain.org> 1963 * 1964 * @param array $item 1965 * @return string html 1966 */ 1967 function media_nstree_item($item){ 1968 global $INPUT; 1969 $pos = strrpos($item['id'], ':'); 1970 $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0); 1971 if(empty($item['label'])) $item['label'] = $label; 1972 1973 $ret = ''; 1974 if (!($INPUT->str('do') == 'media')) 1975 $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">'; 1976 else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files')) 1977 .'" class="idx_dir">'; 1978 $ret .= $item['label']; 1979 $ret .= '</a>'; 1980 return $ret; 1981 } 1982 1983 /** 1984 * Userfunction for html_buildlist 1985 * 1986 * Prints a media namespace tree item opener 1987 * 1988 * @author Andreas Gohr <andi@splitbrain.org> 1989 * 1990 * @param array $item 1991 * @return string html 1992 */ 1993 function media_nstree_li($item){ 1994 $class='media level'.$item['level']; 1995 if($item['open']){ 1996 $class .= ' open'; 1997 $img = DOKU_BASE.'lib/images/minus.gif'; 1998 $alt = '−'; 1999 }else{ 2000 $class .= ' closed'; 2001 $img = DOKU_BASE.'lib/images/plus.gif'; 2002 $alt = '+'; 2003 } 2004 // TODO: only deliver an image if it actually has a subtree... 2005 return '<li class="'.$class.'">'. 2006 '<img src="'.$img.'" alt="'.$alt.'" />'; 2007 } 2008 2009 /** 2010 * Resizes the given image to the given size 2011 * 2012 * @author Andreas Gohr <andi@splitbrain.org> 2013 * 2014 * @param string $file filename, path to file 2015 * @param string $ext extension 2016 * @param int $w desired width 2017 * @param int $h desired height 2018 * @return string path to resized or original size if failed 2019 */ 2020 function media_resize_image($file, $ext, $w, $h=0){ 2021 global $conf; 2022 2023 $info = @getimagesize($file); //get original size 2024 if($info == false) return $file; // that's no image - it's a spaceship! 2025 2026 if(!$h) $h = round(($w * $info[1]) / $info[0]); 2027 if(!$w) $w = round(($h * $info[0]) / $info[1]); 2028 2029 // we wont scale up to infinity 2030 if($w > 2000 || $h > 2000) return $file; 2031 2032 // resize necessary? - (w,h) = native dimensions 2033 if(($w == $info[0]) && ($h == $info[1])) return $file; 2034 2035 //cache 2036 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext); 2037 $mtime = @filemtime($local); // 0 if not exists 2038 2039 if($mtime > filemtime($file) || 2040 media_resize_imageIM($ext, $file, $info[0], $info[1], $local, $w, $h) || 2041 media_resize_imageGD($ext, $file, $info[0], $info[1], $local, $w, $h) 2042 ) { 2043 if(!empty($conf['fperm'])) @chmod($local, $conf['fperm']); 2044 return $local; 2045 } 2046 //still here? resizing failed 2047 return $file; 2048 } 2049 2050 /** 2051 * Crops the given image to the wanted ratio, then calls media_resize_image to scale it 2052 * to the wanted size 2053 * 2054 * Crops are centered horizontally but prefer the upper third of an vertical 2055 * image because most pics are more interesting in that area (rule of thirds) 2056 * 2057 * @author Andreas Gohr <andi@splitbrain.org> 2058 * 2059 * @param string $file filename, path to file 2060 * @param string $ext extension 2061 * @param int $w desired width 2062 * @param int $h desired height 2063 * @return string path to resized or original size if failed 2064 */ 2065 function media_crop_image($file, $ext, $w, $h=0){ 2066 global $conf; 2067 2068 if(!$h) $h = $w; 2069 $info = @getimagesize($file); //get original size 2070 if($info == false) return $file; // that's no image - it's a spaceship! 2071 2072 // calculate crop size 2073 $fr = $info[0]/$info[1]; 2074 $tr = $w/$h; 2075 2076 // check if the crop can be handled completely by resize, 2077 // i.e. the specified width & height match the aspect ratio of the source image 2078 if ($w == round($h*$fr)) { 2079 return media_resize_image($file, $ext, $w); 2080 } 2081 2082 if($tr >= 1){ 2083 if($tr > $fr){ 2084 $cw = $info[0]; 2085 $ch = (int) ($info[0]/$tr); 2086 }else{ 2087 $cw = (int) ($info[1]*$tr); 2088 $ch = $info[1]; 2089 } 2090 }else{ 2091 if($tr < $fr){ 2092 $cw = (int) ($info[1]*$tr); 2093 $ch = $info[1]; 2094 }else{ 2095 $cw = $info[0]; 2096 $ch = (int) ($info[0]/$tr); 2097 } 2098 } 2099 // calculate crop offset 2100 $cx = (int) (($info[0]-$cw)/2); 2101 $cy = (int) (($info[1]-$ch)/3); 2102 2103 //cache 2104 $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext); 2105 $mtime = @filemtime($local); // 0 if not exists 2106 2107 if( $mtime > @filemtime($file) || 2108 media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) || 2109 media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){ 2110 if(!empty($conf['fperm'])) @chmod($local, $conf['fperm']); 2111 return media_resize_image($local,$ext, $w, $h); 2112 } 2113 2114 //still here? cropping failed 2115 return media_resize_image($file,$ext, $w, $h); 2116 } 2117 2118 /** 2119 * Calculate a token to be used to verify fetch requests for resized or 2120 * cropped images have been internally generated - and prevent external 2121 * DDOS attacks via fetch 2122 * 2123 * @author Christopher Smith <chris@jalakai.co.uk> 2124 * 2125 * @param string $id id of the image 2126 * @param int $w resize/crop width 2127 * @param int $h resize/crop height 2128 * @return string token or empty string if no token required 2129 */ 2130 function media_get_token($id,$w,$h){ 2131 // token is only required for modified images 2132 if ($w || $h || media_isexternal($id)) { 2133 $token = $id; 2134 if ($w) $token .= '.'.$w; 2135 if ($h) $token .= '.'.$h; 2136 2137 return substr(PassHash::hmac('md5', $token, auth_cookiesalt()),0,6); 2138 } 2139 2140 return ''; 2141 } 2142 2143 /** 2144 * Download a remote file and return local filename 2145 * 2146 * returns false if download fails. Uses cached file if available and 2147 * wanted 2148 * 2149 * @author Andreas Gohr <andi@splitbrain.org> 2150 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2151 * 2152 * @param string $url 2153 * @param string $ext extension 2154 * @param int $cache cachetime in seconds 2155 * @return false|string path to cached file 2156 */ 2157 function media_get_from_URL($url,$ext,$cache){ 2158 global $conf; 2159 2160 // if no cache or fetchsize just redirect 2161 if ($cache==0) return false; 2162 if (!$conf['fetchsize']) return false; 2163 2164 $local = getCacheName(strtolower($url),".media.$ext"); 2165 $mtime = @filemtime($local); // 0 if not exists 2166 2167 //decide if download needed: 2168 if(($mtime == 0) || // cache does not exist 2169 ($cache != -1 && $mtime < time() - $cache) // 'recache' and cache has expired 2170 ) { 2171 if(media_image_download($url, $local)) { 2172 return $local; 2173 } else { 2174 return false; 2175 } 2176 } 2177 2178 //if cache exists use it else 2179 if($mtime) return $local; 2180 2181 //else return false 2182 return false; 2183 } 2184 2185 /** 2186 * Download image files 2187 * 2188 * @author Andreas Gohr <andi@splitbrain.org> 2189 * 2190 * @param string $url 2191 * @param string $file path to file in which to put the downloaded content 2192 * @return bool 2193 */ 2194 function media_image_download($url,$file){ 2195 global $conf; 2196 $http = new DokuHTTPClient(); 2197 $http->keep_alive = false; // we do single ops here, no need for keep-alive 2198 2199 $http->max_bodysize = $conf['fetchsize']; 2200 $http->timeout = 25; //max. 25 sec 2201 $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i'; 2202 2203 $data = $http->get($url); 2204 if(!$data) return false; 2205 2206 $fileexists = file_exists($file); 2207 $fp = @fopen($file,"w"); 2208 if(!$fp) return false; 2209 fwrite($fp,$data); 2210 fclose($fp); 2211 if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']); 2212 2213 // check if it is really an image 2214 $info = @getimagesize($file); 2215 if(!$info){ 2216 @unlink($file); 2217 return false; 2218 } 2219 2220 return true; 2221 } 2222 2223 /** 2224 * resize images using external ImageMagick convert program 2225 * 2226 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2227 * @author Andreas Gohr <andi@splitbrain.org> 2228 * 2229 * @param string $ext extension 2230 * @param string $from filename path to file 2231 * @param int $from_w original width 2232 * @param int $from_h original height 2233 * @param string $to path to resized file 2234 * @param int $to_w desired width 2235 * @param int $to_h desired height 2236 * @return bool 2237 */ 2238 function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){ 2239 global $conf; 2240 2241 // check if convert is configured 2242 if(!$conf['im_convert']) return false; 2243 2244 // prepare command 2245 $cmd = $conf['im_convert']; 2246 $cmd .= ' -resize '.$to_w.'x'.$to_h.'!'; 2247 if ($ext == 'jpg' || $ext == 'jpeg') { 2248 $cmd .= ' -quality '.$conf['jpg_quality']; 2249 } 2250 $cmd .= " $from $to"; 2251 2252 @exec($cmd,$out,$retval); 2253 if ($retval == 0) return true; 2254 return false; 2255 } 2256 2257 /** 2258 * crop images using external ImageMagick convert program 2259 * 2260 * @author Andreas Gohr <andi@splitbrain.org> 2261 * 2262 * @param string $ext extension 2263 * @param string $from filename path to file 2264 * @param int $from_w original width 2265 * @param int $from_h original height 2266 * @param string $to path to resized file 2267 * @param int $to_w desired width 2268 * @param int $to_h desired height 2269 * @param int $ofs_x offset of crop centre 2270 * @param int $ofs_y offset of crop centre 2271 * @return bool 2272 */ 2273 function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){ 2274 global $conf; 2275 2276 // check if convert is configured 2277 if(!$conf['im_convert']) return false; 2278 2279 // prepare command 2280 $cmd = $conf['im_convert']; 2281 $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y; 2282 if ($ext == 'jpg' || $ext == 'jpeg') { 2283 $cmd .= ' -quality '.$conf['jpg_quality']; 2284 } 2285 $cmd .= " $from $to"; 2286 2287 @exec($cmd,$out,$retval); 2288 if ($retval == 0) return true; 2289 return false; 2290 } 2291 2292 /** 2293 * resize or crop images using PHP's libGD support 2294 * 2295 * @author Andreas Gohr <andi@splitbrain.org> 2296 * @author Sebastian Wienecke <s_wienecke@web.de> 2297 * 2298 * @param string $ext extension 2299 * @param string $from filename path to file 2300 * @param int $from_w original width 2301 * @param int $from_h original height 2302 * @param string $to path to resized file 2303 * @param int $to_w desired width 2304 * @param int $to_h desired height 2305 * @param int $ofs_x offset of crop centre 2306 * @param int $ofs_y offset of crop centre 2307 * @return bool 2308 */ 2309 function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){ 2310 global $conf; 2311 2312 if($conf['gdlib'] < 1) return false; //no GDlib available or wanted 2313 2314 // check available memory 2315 if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){ 2316 return false; 2317 } 2318 2319 // create an image of the given filetype 2320 $image = false; 2321 if ($ext == 'jpg' || $ext == 'jpeg'){ 2322 if(!function_exists("imagecreatefromjpeg")) return false; 2323 $image = @imagecreatefromjpeg($from); 2324 }elseif($ext == 'png') { 2325 if(!function_exists("imagecreatefrompng")) return false; 2326 $image = @imagecreatefrompng($from); 2327 2328 }elseif($ext == 'gif') { 2329 if(!function_exists("imagecreatefromgif")) return false; 2330 $image = @imagecreatefromgif($from); 2331 } 2332 if(!$image) return false; 2333 2334 $newimg = false; 2335 if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){ 2336 $newimg = @imagecreatetruecolor ($to_w, $to_h); 2337 } 2338 if(!$newimg) $newimg = @imagecreate($to_w, $to_h); 2339 if(!$newimg){ 2340 imagedestroy($image); 2341 return false; 2342 } 2343 2344 //keep png alpha channel if possible 2345 if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){ 2346 imagealphablending($newimg, false); 2347 imagesavealpha($newimg,true); 2348 } 2349 2350 //keep gif transparent color if possible 2351 if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) { 2352 if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) { 2353 $transcolorindex = @imagecolortransparent($image); 2354 if($transcolorindex >= 0 ) { //transparent color exists 2355 $transcolor = @imagecolorsforindex($image, $transcolorindex); 2356 $transcolorindex = @imagecolorallocate($newimg, $transcolor['red'], $transcolor['green'], $transcolor['blue']); 2357 @imagefill($newimg, 0, 0, $transcolorindex); 2358 @imagecolortransparent($newimg, $transcolorindex); 2359 }else{ //filling with white 2360 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2361 @imagefill($newimg, 0, 0, $whitecolorindex); 2362 } 2363 }else{ //filling with white 2364 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2365 @imagefill($newimg, 0, 0, $whitecolorindex); 2366 } 2367 } 2368 2369 //try resampling first 2370 if(function_exists("imagecopyresampled")){ 2371 if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) { 2372 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2373 } 2374 }else{ 2375 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2376 } 2377 2378 $okay = false; 2379 if ($ext == 'jpg' || $ext == 'jpeg'){ 2380 if(!function_exists('imagejpeg')){ 2381 $okay = false; 2382 }else{ 2383 $okay = imagejpeg($newimg, $to, $conf['jpg_quality']); 2384 } 2385 }elseif($ext == 'png') { 2386 if(!function_exists('imagepng')){ 2387 $okay = false; 2388 }else{ 2389 $okay = imagepng($newimg, $to); 2390 } 2391 }elseif($ext == 'gif') { 2392 if(!function_exists('imagegif')){ 2393 $okay = false; 2394 }else{ 2395 $okay = imagegif($newimg, $to); 2396 } 2397 } 2398 2399 // destroy GD image ressources 2400 if($image) imagedestroy($image); 2401 if($newimg) imagedestroy($newimg); 2402 2403 return $okay; 2404 } 2405 2406 /** 2407 * Return other media files with the same base name 2408 * but different extensions. 2409 * 2410 * @param string $src - ID of media file 2411 * @param string[] $exts - alternative extensions to find other files for 2412 * @return array - array(mime type => file ID) 2413 * 2414 * @author Anika Henke <anika@selfthinker.org> 2415 */ 2416 function media_alternativefiles($src, $exts){ 2417 2418 $files = array(); 2419 list($srcExt, /* $srcMime */) = mimetype($src); 2420 $filebase = substr($src, 0, -1 * (strlen($srcExt)+1)); 2421 2422 foreach($exts as $ext) { 2423 $fileid = $filebase.'.'.$ext; 2424 $file = mediaFN($fileid); 2425 if(file_exists($file)) { 2426 list(/* $fileExt */, $fileMime) = mimetype($file); 2427 $files[$fileMime] = $fileid; 2428 } 2429 } 2430 return $files; 2431 } 2432 2433 /** 2434 * Check if video/audio is supported to be embedded. 2435 * 2436 * @param string $mime - mimetype of media file 2437 * @param string $type - type of media files to check ('video', 'audio', or null for all) 2438 * @return boolean 2439 * 2440 * @author Anika Henke <anika@selfthinker.org> 2441 */ 2442 function media_supportedav($mime, $type=NULL){ 2443 $supportedAudio = array( 2444 'ogg' => 'audio/ogg', 2445 'mp3' => 'audio/mpeg', 2446 'wav' => 'audio/wav', 2447 ); 2448 $supportedVideo = array( 2449 'webm' => 'video/webm', 2450 'ogv' => 'video/ogg', 2451 'mp4' => 'video/mp4', 2452 ); 2453 if ($type == 'audio') { 2454 $supportedAv = $supportedAudio; 2455 } elseif ($type == 'video') { 2456 $supportedAv = $supportedVideo; 2457 } else { 2458 $supportedAv = array_merge($supportedAudio, $supportedVideo); 2459 } 2460 return in_array($mime, $supportedAv); 2461 } 2462 2463 /** 2464 * Return track media files with the same base name 2465 * but extensions that indicate kind and lang. 2466 * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt... 2467 * 2468 * @param string $src - ID of media file 2469 * @return array - array(mediaID => array( kind, srclang )) 2470 * 2471 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 2472 */ 2473 function media_trackfiles($src){ 2474 $kinds=array( 2475 'sub' => 'subtitles', 2476 'cap' => 'captions', 2477 'des' => 'descriptions', 2478 'cha' => 'chapters', 2479 'met' => 'metadata' 2480 ); 2481 2482 $files = array(); 2483 $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/'; 2484 $baseid=pathinfo($src, PATHINFO_FILENAME); 2485 $pattern=mediaFN($baseid).'.*.*.vtt'; 2486 $list=glob($pattern); 2487 foreach($list as $track) { 2488 if(preg_match($re, $track, $matches)){ 2489 $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array( 2490 $kinds[$matches[1]], 2491 $matches[2], 2492 ); 2493 } 2494 } 2495 return $files; 2496 } 2497 2498 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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