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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 use dokuwiki\ChangeLog\MediaChangeLog; 10 use dokuwiki\HTTP\DokuHTTPClient; 11 use dokuwiki\Subscriptions\MediaSubscriptionSender; 12 use dokuwiki\Extension\Event; 13 use dokuwiki\Utf8\Sort; 14 15 /** 16 * Lists pages which currently use a media file selected for deletion 17 * 18 * References uses the same visual as search results and share 19 * their CSS tags except pagenames won't be links. 20 * 21 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net> 22 * 23 * @param array $data 24 * @param string $id 25 */ 26 function media_filesinuse($data,$id){ 27 global $lang; 28 echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>'; 29 echo '<p>'.hsc($lang['ref_inuse']).'</p>'; 30 31 $hidden=0; //count of hits without read permission 32 foreach($data as $row){ 33 if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){ 34 echo '<div class="search_result">'; 35 echo '<span class="mediaref_ref">'.hsc($row).'</span>'; 36 echo '</div>'; 37 }else 38 $hidden++; 39 } 40 if ($hidden){ 41 print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>'; 42 } 43 } 44 45 /** 46 * Handles the saving of image meta data 47 * 48 * @author Andreas Gohr <andi@splitbrain.org> 49 * @author Kate Arzamastseva <pshns@ukr.net> 50 * 51 * @param string $id media id 52 * @param int $auth permission level 53 * @param array $data 54 * @return false|string 55 */ 56 function media_metasave($id,$auth,$data){ 57 if($auth < AUTH_UPLOAD) return false; 58 if(!checkSecurityToken()) return false; 59 global $lang; 60 global $conf; 61 $src = mediaFN($id); 62 63 $meta = new JpegMeta($src); 64 $meta->_parseAll(); 65 66 foreach($data as $key => $val){ 67 $val=trim($val); 68 if(empty($val)){ 69 $meta->deleteField($key); 70 }else{ 71 $meta->setField($key,$val); 72 } 73 } 74 75 $old = @filemtime($src); 76 if(!file_exists(mediaFN($id, $old)) && file_exists($src)) { 77 // add old revision to the attic 78 media_saveOldRevision($id); 79 } 80 $filesize_old = filesize($src); 81 if($meta->save()){ 82 if($conf['fperm']) chmod($src, $conf['fperm']); 83 @clearstatcache(true, $src); 84 $new = @filemtime($src); 85 $filesize_new = filesize($src); 86 $sizechange = $filesize_new - $filesize_old; 87 88 // add a log entry to the media changelog 89 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange); 90 91 msg($lang['metasaveok'],1); 92 return $id; 93 }else{ 94 msg($lang['metasaveerr'],-1); 95 return false; 96 } 97 } 98 99 /** 100 * check if a media is external source 101 * 102 * @author Gerrit Uitslag <klapinklapin@gmail.com> 103 * 104 * @param string $id the media ID or URL 105 * @return bool 106 */ 107 function media_isexternal($id){ 108 if (preg_match('#^(?:https?|ftp)://#i', $id)) return true; 109 return false; 110 } 111 112 /** 113 * Check if a media item is public (eg, external URL or readable by @ALL) 114 * 115 * @author Andreas Gohr <andi@splitbrain.org> 116 * 117 * @param string $id the media ID or URL 118 * @return bool 119 */ 120 function media_ispublic($id){ 121 if(media_isexternal($id)) return true; 122 $id = cleanID($id); 123 if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true; 124 return false; 125 } 126 127 /** 128 * Display the form to edit image meta data 129 * 130 * @author Andreas Gohr <andi@splitbrain.org> 131 * @author Kate Arzamastseva <pshns@ukr.net> 132 * 133 * @param string $id media id 134 * @param int $auth permission level 135 * @return bool 136 */ 137 function media_metaform($id,$auth){ 138 global $lang; 139 140 if($auth < AUTH_UPLOAD) { 141 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 142 return false; 143 } 144 145 // load the field descriptions 146 static $fields = null; 147 if(is_null($fields)){ 148 $config_files = getConfigFiles('mediameta'); 149 foreach ($config_files as $config_file) { 150 if(file_exists($config_file)) include($config_file); 151 } 152 } 153 154 $src = mediaFN($id); 155 156 // output 157 $form = new Doku_Form(array('action' => media_managerURL(array('tab_details' => 'view'), '&'), 158 'class' => 'meta')); 159 $form->addHidden('img', $id); 160 $form->addHidden('mediado', 'save'); 161 foreach($fields as $key => $field){ 162 // get current value 163 if (empty($field[0])) continue; 164 $tags = array($field[0]); 165 if(is_array($field[3])) $tags = array_merge($tags,$field[3]); 166 $value = tpl_img_getTag($tags,'',$src); 167 $value = cleanText($value); 168 169 // prepare attributes 170 $p = array(); 171 $p['class'] = 'edit'; 172 $p['id'] = 'meta__'.$key; 173 $p['name'] = 'meta['.$field[0].']'; 174 $p_attrs = array('class' => 'edit'); 175 176 $form->addElement('<div class="row">'); 177 if($field[2] == 'text'){ 178 $form->addElement( 179 form_makeField( 180 'text', 181 $p['name'], 182 $value, 183 ($lang[$field[1]]) ? $lang[$field[1]] : $field[1] . ':', 184 $p['id'], 185 $p['class'], 186 $p_attrs 187 ) 188 ); 189 }else{ 190 $att = buildAttributes($p); 191 $form->addElement('<label for="meta__'.$key.'">'.$lang[$field[1]].'</label>'); 192 $form->addElement("<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'); 193 } 194 $form->addElement('</div>'.NL); 195 } 196 $form->addElement('<div class="buttons">'); 197 $form->addElement( 198 form_makeButton( 199 'submit', 200 '', 201 $lang['btn_save'], 202 array('accesskey' => 's', 'name' => 'mediado[save]') 203 ) 204 ); 205 $form->addElement('</div>'.NL); 206 $form->printForm(); 207 208 return true; 209 } 210 211 /** 212 * Convenience function to check if a media file is still in use 213 * 214 * @author Michael Klier <chi@chimeric.de> 215 * 216 * @param string $id media id 217 * @return array|bool 218 */ 219 function media_inuse($id) { 220 global $conf; 221 222 if($conf['refcheck']){ 223 $mediareferences = ft_mediause($id,true); 224 if(!count($mediareferences)) { 225 return false; 226 } else { 227 return $mediareferences; 228 } 229 } else { 230 return false; 231 } 232 } 233 234 /** 235 * Handles media file deletions 236 * 237 * If configured, checks for media references before deletion 238 * 239 * @author Andreas Gohr <andi@splitbrain.org> 240 * 241 * @param string $id media id 242 * @param int $auth no longer used 243 * @return int One of: 0, 244 * DOKU_MEDIA_DELETED, 245 * DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS, 246 * DOKU_MEDIA_NOT_AUTH, 247 * DOKU_MEDIA_INUSE 248 */ 249 function media_delete($id,$auth){ 250 global $lang; 251 $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':')); 252 if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH; 253 if(media_inuse($id)) return DOKU_MEDIA_INUSE; 254 255 $file = mediaFN($id); 256 257 // trigger an event - MEDIA_DELETE_FILE 258 $data = array(); 259 $data['id'] = $id; 260 $data['name'] = \dokuwiki\Utf8\PhpString::basename($file); 261 $data['path'] = $file; 262 $data['size'] = (file_exists($file)) ? filesize($file) : 0; 263 264 $data['unl'] = false; 265 $data['del'] = false; 266 $evt = new Event('MEDIA_DELETE_FILE',$data); 267 if ($evt->advise_before()) { 268 $old = @filemtime($file); 269 if(!file_exists(mediaFN($id, $old)) && file_exists($file)) { 270 // add old revision to the attic 271 media_saveOldRevision($id); 272 } 273 274 $data['unl'] = @unlink($file); 275 if($data['unl']) { 276 $sizechange = 0 - $data['size']; 277 addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange); 278 279 $data['del'] = io_sweepNS($id, 'mediadir'); 280 } 281 } 282 $evt->advise_after(); 283 unset($evt); 284 285 if($data['unl'] && $data['del']){ 286 return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS; 287 } 288 289 return $data['unl'] ? DOKU_MEDIA_DELETED : 0; 290 } 291 292 /** 293 * Handle file uploads via XMLHttpRequest 294 * 295 * @param string $ns target namespace 296 * @param int $auth current auth check result 297 * @return false|string false on error, id of the new file on success 298 */ 299 function media_upload_xhr($ns,$auth){ 300 if(!checkSecurityToken()) return false; 301 global $INPUT; 302 303 $id = $INPUT->get->str('qqfile'); 304 list($ext,$mime) = mimetype($id); 305 $input = fopen("php://input", "r"); 306 if (!($tmp = io_mktmpdir())) return false; 307 $path = $tmp.'/'.md5($id); 308 $target = fopen($path, "w"); 309 $realSize = stream_copy_to_stream($input, $target); 310 fclose($target); 311 fclose($input); 312 if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){ 313 unlink($path); 314 return false; 315 } 316 317 $res = media_save( 318 array('name' => $path, 319 'mime' => $mime, 320 'ext' => $ext), 321 $ns.':'.$id, 322 (($INPUT->get->str('ow') == 'true') ? true : false), 323 $auth, 324 'copy' 325 ); 326 unlink($path); 327 if ($tmp) io_rmdir($tmp, true); 328 if (is_array($res)) { 329 msg($res[0], $res[1]); 330 return false; 331 } 332 return $res; 333 } 334 335 /** 336 * Handles media file uploads 337 * 338 * @author Andreas Gohr <andi@splitbrain.org> 339 * @author Michael Klier <chi@chimeric.de> 340 * 341 * @param string $ns target namespace 342 * @param int $auth current auth check result 343 * @param bool|array $file $_FILES member, $_FILES['upload'] if false 344 * @return false|string false on error, id of the new file on success 345 */ 346 function media_upload($ns,$auth,$file=false){ 347 if(!checkSecurityToken()) return false; 348 global $lang; 349 global $INPUT; 350 351 // get file and id 352 $id = $INPUT->post->str('mediaid'); 353 if (!$file) $file = $_FILES['upload']; 354 if(empty($id)) $id = $file['name']; 355 356 // check for errors (messages are done in lib/exe/mediamanager.php) 357 if($file['error']) return false; 358 359 // check extensions 360 list($fext,$fmime) = mimetype($file['name']); 361 list($iext,$imime) = mimetype($id); 362 if($fext && !$iext){ 363 // no extension specified in id - read original one 364 $id .= '.'.$fext; 365 $imime = $fmime; 366 }elseif($fext && $fext != $iext){ 367 // extension was changed, print warning 368 msg(sprintf($lang['mediaextchange'],$fext,$iext)); 369 } 370 371 $res = media_save(array('name' => $file['tmp_name'], 372 'mime' => $imime, 373 'ext' => $iext), $ns.':'.$id, 374 $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file'); 375 if (is_array($res)) { 376 msg($res[0], $res[1]); 377 return false; 378 } 379 return $res; 380 } 381 382 /** 383 * An alternative to move_uploaded_file that copies 384 * 385 * Using copy, makes sure any setgid bits on the media directory are honored 386 * 387 * @see move_uploaded_file() 388 * 389 * @param string $from 390 * @param string $to 391 * @return bool 392 */ 393 function copy_uploaded_file($from, $to){ 394 if(!is_uploaded_file($from)) return false; 395 $ok = copy($from, $to); 396 @unlink($from); 397 return $ok; 398 } 399 400 /** 401 * This generates an action event and delegates to _media_upload_action(). 402 * Action plugins are allowed to pre/postprocess the uploaded file. 403 * (The triggered event is preventable.) 404 * 405 * Event data: 406 * $data[0] fn_tmp: the temporary file name (read from $_FILES) 407 * $data[1] fn: the file name of the uploaded file 408 * $data[2] id: the future directory id of the uploaded file 409 * $data[3] imime: the mimetype of the uploaded file 410 * $data[4] overwrite: if an existing file is going to be overwritten 411 * $data[5] move: name of function that performs move/copy/.. 412 * 413 * @triggers MEDIA_UPLOAD_FINISH 414 * 415 * @param array $file 416 * @param string $id media id 417 * @param bool $ow overwrite? 418 * @param int $auth permission level 419 * @param string $move name of functions that performs move/copy/.. 420 * @return false|array|string 421 */ 422 function media_save($file, $id, $ow, $auth, $move) { 423 if($auth < AUTH_UPLOAD) { 424 return array("You don't have permissions to upload files.", -1); 425 } 426 427 if (!isset($file['mime']) || !isset($file['ext'])) { 428 list($ext, $mime) = mimetype($id); 429 if (!isset($file['mime'])) { 430 $file['mime'] = $mime; 431 } 432 if (!isset($file['ext'])) { 433 $file['ext'] = $ext; 434 } 435 } 436 437 global $lang, $conf; 438 439 // get filename 440 $id = cleanID($id); 441 $fn = mediaFN($id); 442 443 // get filetype regexp 444 $types = array_keys(getMimeTypes()); 445 $types = array_map( 446 function ($q) { 447 return preg_quote($q, "/"); 448 }, 449 $types 450 ); 451 $regex = join('|',$types); 452 453 // because a temp file was created already 454 if(!preg_match('/\.('.$regex.')$/i',$fn)) { 455 return array($lang['uploadwrong'],-1); 456 } 457 458 //check for overwrite 459 $overwrite = file_exists($fn); 460 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 461 if($overwrite && (!$ow || $auth < $auth_ow)) { 462 return array($lang['uploadexist'], 0); 463 } 464 // check for valid content 465 $ok = media_contentcheck($file['name'], $file['mime']); 466 if($ok == -1){ 467 return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1); 468 }elseif($ok == -2){ 469 return array($lang['uploadspam'],-1); 470 }elseif($ok == -3){ 471 return array($lang['uploadxss'],-1); 472 } 473 474 // prepare event data 475 $data = array(); 476 $data[0] = $file['name']; 477 $data[1] = $fn; 478 $data[2] = $id; 479 $data[3] = $file['mime']; 480 $data[4] = $overwrite; 481 $data[5] = $move; 482 483 // trigger event 484 return Event::createAndTrigger('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true); 485 } 486 487 /** 488 * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH 489 * 490 * @author Michael Klier <chi@chimeric.de> 491 * 492 * @param array $data event data 493 * @return false|array|string 494 */ 495 function _media_upload_action($data) { 496 // fixme do further sanity tests of given data? 497 if(is_array($data) && count($data)===6) { 498 return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 499 } else { 500 return false; //callback error 501 } 502 } 503 504 /** 505 * Saves an uploaded media file 506 * 507 * @author Andreas Gohr <andi@splitbrain.org> 508 * @author Michael Klier <chi@chimeric.de> 509 * @author Kate Arzamastseva <pshns@ukr.net> 510 * 511 * @param string $fn_tmp 512 * @param string $fn 513 * @param string $id media id 514 * @param string $imime mime type 515 * @param bool $overwrite overwrite existing? 516 * @param string $move function name 517 * @return array|string 518 */ 519 function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') { 520 global $conf; 521 global $lang; 522 global $REV; 523 524 $old = @filemtime($fn); 525 if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) { 526 // add old revision to the attic if missing 527 media_saveOldRevision($id); 528 } 529 530 // prepare directory 531 io_createNamespace($id, 'media'); 532 533 $filesize_old = file_exists($fn) ? filesize($fn) : 0; 534 535 if($move($fn_tmp, $fn)) { 536 @clearstatcache(true,$fn); 537 $new = @filemtime($fn); 538 // Set the correct permission here. 539 // Always chmod media because they may be saved with different permissions than expected from the php umask. 540 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 541 chmod($fn, $conf['fmode']); 542 msg($lang['uploadsucc'],1); 543 media_notify($id,$fn,$imime,$old,$new); 544 // add a log entry to the media changelog 545 $filesize_new = filesize($fn); 546 $sizechange = $filesize_new - $filesize_old; 547 if($REV) { 548 addMediaLogEntry( 549 $new, 550 $id, 551 DOKU_CHANGE_TYPE_REVERT, 552 sprintf($lang['restored'], dformat($REV)), 553 $REV, 554 null, 555 $sizechange 556 ); 557 } elseif($overwrite) { 558 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 559 } else { 560 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 561 } 562 return $id; 563 }else{ 564 return array($lang['uploadfail'],-1); 565 } 566 } 567 568 /** 569 * Moves the current version of media file to the media_attic 570 * directory 571 * 572 * @author Kate Arzamastseva <pshns@ukr.net> 573 * 574 * @param string $id 575 * @return int - revision date 576 */ 577 function media_saveOldRevision($id){ 578 global $conf, $lang; 579 580 $oldf = mediaFN($id); 581 if(!file_exists($oldf)) return ''; 582 $date = filemtime($oldf); 583 if (!$conf['mediarevisions']) return $date; 584 585 $medialog = new MediaChangeLog($id); 586 if (!$medialog->getRevisionInfo($date)) { 587 // there was an external edit, 588 // there is no log entry for current version of file 589 $sizechange = filesize($oldf); 590 if(!file_exists(mediaMetaFN($id, '.changes'))) { 591 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 592 } else { 593 $oldRev = $medialog->getRevisions(-1, 1); // from changelog 594 $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); 595 $filesize_old = filesize(mediaFN($id, $oldRev)); 596 $sizechange = $sizechange - $filesize_old; 597 598 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 599 } 600 } 601 602 $newf = mediaFN($id,$date); 603 io_makeFileDir($newf); 604 if(copy($oldf, $newf)) { 605 // Set the correct permission here. 606 // Always chmod media because they may be saved with different permissions than expected from the php umask. 607 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 608 chmod($newf, $conf['fmode']); 609 } 610 return $date; 611 } 612 613 /** 614 * This function checks if the uploaded content is really what the 615 * mimetype says it is. We also do spam checking for text types here. 616 * 617 * We need to do this stuff because we can not rely on the browser 618 * to do this check correctly. Yes, IE is broken as usual. 619 * 620 * @author Andreas Gohr <andi@splitbrain.org> 621 * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting 622 * @fixme check all 26 magic IE filetypes here? 623 * 624 * @param string $file path to file 625 * @param string $mime mimetype 626 * @return int 627 */ 628 function media_contentcheck($file,$mime){ 629 global $conf; 630 if($conf['iexssprotect']){ 631 $fh = @fopen($file, 'rb'); 632 if($fh){ 633 $bytes = fread($fh, 256); 634 fclose($fh); 635 if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){ 636 return -3; //XSS: possibly malicious content 637 } 638 } 639 } 640 if(substr($mime,0,6) == 'image/'){ 641 $info = @getimagesize($file); 642 if($mime == 'image/gif' && $info[2] != 1){ 643 return -1; // uploaded content did not match the file extension 644 }elseif($mime == 'image/jpeg' && $info[2] != 2){ 645 return -1; 646 }elseif($mime == 'image/png' && $info[2] != 3){ 647 return -1; 648 } 649 # fixme maybe check other images types as well 650 }elseif(substr($mime,0,5) == 'text/'){ 651 global $TEXT; 652 $TEXT = io_readFile($file); 653 if(checkwordblock()){ 654 return -2; //blocked by the spam blacklist 655 } 656 } 657 return 0; 658 } 659 660 /** 661 * Send a notify mail on uploads 662 * 663 * @author Andreas Gohr <andi@splitbrain.org> 664 * 665 * @param string $id media id 666 * @param string $file path to file 667 * @param string $mime mime type 668 * @param bool|int $old_rev revision timestamp or false 669 * @return bool 670 */ 671 function media_notify($id,$file,$mime,$old_rev=false,$current_rev=false){ 672 global $conf; 673 if(empty($conf['notify'])) return false; //notify enabled? 674 675 $subscription = new MediaSubscriptionSender(); 676 return $subscription->sendMediaDiff($conf['notify'], 'uploadmail', $id, $old_rev, $current_rev); 677 } 678 679 /** 680 * List all files in a given Media namespace 681 * 682 * @param string $ns namespace 683 * @param null|int $auth permission level 684 * @param string $jump id 685 * @param bool $fullscreenview 686 * @param bool|string $sort sorting order, false skips sorting 687 */ 688 function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){ 689 global $conf; 690 global $lang; 691 $ns = cleanID($ns); 692 693 // check auth our self if not given (needed for ajax calls) 694 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 695 696 if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL; 697 698 if($auth < AUTH_READ){ 699 // FIXME: print permission warning here instead? 700 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 701 }else{ 702 if (!$fullscreenview) { 703 media_uploadform($ns, $auth); 704 media_searchform($ns); 705 } 706 707 $dir = utf8_encodeFN(str_replace(':','/',$ns)); 708 $data = array(); 709 search($data,$conf['mediadir'],'search_media', 710 array('showmsg'=>true,'depth'=>1),$dir,1,$sort); 711 712 if(!count($data)){ 713 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 714 }else { 715 if ($fullscreenview) { 716 echo '<ul class="' . _media_get_list_type() . '">'; 717 } 718 foreach($data as $item){ 719 if (!$fullscreenview) { 720 media_printfile($item,$auth,$jump); 721 } else { 722 media_printfile_thumbs($item,$auth,$jump); 723 } 724 } 725 if ($fullscreenview) echo '</ul>'.NL; 726 } 727 } 728 } 729 730 /** 731 * Prints tabs for files list actions 732 * 733 * @author Kate Arzamastseva <pshns@ukr.net> 734 * @author Adrian Lang <mail@adrianlang.de> 735 * 736 * @param string $selected_tab - opened tab 737 */ 738 739 function media_tabs_files($selected_tab = ''){ 740 global $lang; 741 $tabs = array(); 742 foreach(array('files' => 'mediaselect', 743 'upload' => 'media_uploadtab', 744 'search' => 'media_searchtab') as $tab => $caption) { 745 $tabs[$tab] = array('href' => media_managerURL(array('tab_files' => $tab), '&'), 746 'caption' => $lang[$caption]); 747 } 748 749 html_tabs($tabs, $selected_tab); 750 } 751 752 /** 753 * Prints tabs for files details actions 754 * 755 * @author Kate Arzamastseva <pshns@ukr.net> 756 * @param string $image filename of the current image 757 * @param string $selected_tab opened tab 758 */ 759 function media_tabs_details($image, $selected_tab = ''){ 760 global $lang, $conf; 761 762 $tabs = array(); 763 $tabs['view'] = array('href' => media_managerURL(array('tab_details' => 'view'), '&'), 764 'caption' => $lang['media_viewtab']); 765 766 list(, $mime) = mimetype($image); 767 if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) { 768 $tabs['edit'] = array('href' => media_managerURL(array('tab_details' => 'edit'), '&'), 769 'caption' => $lang['media_edittab']); 770 } 771 if ($conf['mediarevisions']) { 772 $tabs['history'] = array('href' => media_managerURL(array('tab_details' => 'history'), '&'), 773 'caption' => $lang['media_historytab']); 774 } 775 776 html_tabs($tabs, $selected_tab); 777 } 778 779 /** 780 * Prints options for the tab that displays a list of all files 781 * 782 * @author Kate Arzamastseva <pshns@ukr.net> 783 */ 784 function media_tab_files_options(){ 785 global $lang; 786 global $INPUT; 787 global $ID; 788 $form = new Doku_Form(array('class' => 'options', 'method' => 'get', 789 'action' => wl($ID))); 790 $media_manager_params = media_managerURL(array(), '', false, true); 791 foreach($media_manager_params as $pKey => $pVal){ 792 $form->addHidden($pKey, $pVal); 793 } 794 $form->addHidden('sectok', null); 795 if ($INPUT->has('q')) { 796 $form->addHidden('q', $INPUT->str('q')); 797 } 798 $form->addElement('<ul>'.NL); 799 foreach(array('list' => array('listType', array('thumbs', 'rows')), 800 'sort' => array('sortBy', array('name', 'date'))) 801 as $group => $content) { 802 $checked = "_media_get_$group}_type"; 803 $checked = $checked(); 804 805 $form->addElement('<li class="' . $content[0] . '">'); 806 foreach($content[1] as $option) { 807 $attrs = array(); 808 if ($checked == $option) { 809 $attrs['checked'] = 'checked'; 810 } 811 $form->addElement(form_makeRadioField($group . '_dwmedia', $option, 812 $lang['media_' . $group . '_' . $option], 813 $content[0] . '__' . $option, 814 $option, $attrs)); 815 } 816 $form->addElement('</li>'.NL); 817 } 818 $form->addElement('<li>'); 819 $form->addElement(form_makeButton('submit', '', $lang['btn_apply'])); 820 $form->addElement('</li>'.NL); 821 $form->addElement('</ul>'.NL); 822 $form->printForm(); 823 } 824 825 /** 826 * Returns type of sorting for the list of files in media manager 827 * 828 * @author Kate Arzamastseva <pshns@ukr.net> 829 * 830 * @return string - sort type 831 */ 832 function _media_get_sort_type() { 833 return _media_get_display_param('sort', array('default' => 'name', 'date')); 834 } 835 836 /** 837 * Returns type of listing for the list of files in media manager 838 * 839 * @author Kate Arzamastseva <pshns@ukr.net> 840 * 841 * @return string - list type 842 */ 843 function _media_get_list_type() { 844 return _media_get_display_param('list', array('default' => 'thumbs', 'rows')); 845 } 846 847 /** 848 * Get display parameters 849 * 850 * @param string $param name of parameter 851 * @param array $values allowed values, where default value has index key 'default' 852 * @return string the parameter value 853 */ 854 function _media_get_display_param($param, $values) { 855 global $INPUT; 856 if (in_array($INPUT->str($param), $values)) { 857 // FIXME: Set cookie 858 return $INPUT->str($param); 859 } else { 860 $val = get_doku_pref($param, $values['default']); 861 if (!in_array($val, $values)) { 862 $val = $values['default']; 863 } 864 return $val; 865 } 866 } 867 868 /** 869 * Prints tab that displays a list of all files 870 * 871 * @author Kate Arzamastseva <pshns@ukr.net> 872 * 873 * @param string $ns 874 * @param null|int $auth permission level 875 * @param string $jump item id 876 */ 877 function media_tab_files($ns,$auth=null,$jump='') { 878 global $lang; 879 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 880 881 if($auth < AUTH_READ){ 882 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 883 }else{ 884 media_filelist($ns,$auth,$jump,true,_media_get_sort_type()); 885 } 886 } 887 888 /** 889 * Prints tab that displays uploading form 890 * 891 * @author Kate Arzamastseva <pshns@ukr.net> 892 * 893 * @param string $ns 894 * @param null|int $auth permission level 895 * @param string $jump item id 896 */ 897 function media_tab_upload($ns,$auth=null,$jump='') { 898 global $lang; 899 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 900 901 echo '<div class="upload">'.NL; 902 if ($auth >= AUTH_UPLOAD) { 903 echo '<p>' . $lang['mediaupload'] . '</p>'; 904 } 905 media_uploadform($ns, $auth, true); 906 echo '</div>'.NL; 907 } 908 909 /** 910 * Prints tab that displays search form 911 * 912 * @author Kate Arzamastseva <pshns@ukr.net> 913 * 914 * @param string $ns 915 * @param null|int $auth permission level 916 */ 917 function media_tab_search($ns,$auth=null) { 918 global $INPUT; 919 920 $do = $INPUT->str('mediado'); 921 $query = $INPUT->str('q'); 922 echo '<div class="search">'.NL; 923 924 media_searchform($ns, $query, true); 925 if ($do == 'searchlist' || $query) { 926 media_searchlist($query,$ns,$auth,true,_media_get_sort_type()); 927 } 928 echo '</div>'.NL; 929 } 930 931 /** 932 * Prints tab that displays mediafile details 933 * 934 * @author Kate Arzamastseva <pshns@ukr.net> 935 * 936 * @param string $image media id 937 * @param string $ns 938 * @param null|int $auth permission level 939 * @param string|int $rev revision timestamp or empty string 940 */ 941 function media_tab_view($image, $ns, $auth=null, $rev='') { 942 global $lang; 943 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 944 945 if ($image && $auth >= AUTH_READ) { 946 $meta = new JpegMeta(mediaFN($image, $rev)); 947 media_preview($image, $auth, $rev, $meta); 948 media_preview_buttons($image, $auth, $rev); 949 media_details($image, $auth, $rev, $meta); 950 951 } else { 952 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 953 } 954 } 955 956 /** 957 * Prints tab that displays form for editing mediafile metadata 958 * 959 * @author Kate Arzamastseva <pshns@ukr.net> 960 * 961 * @param string $image media id 962 * @param string $ns 963 * @param null|int $auth permission level 964 */ 965 function media_tab_edit($image, $ns, $auth=null) { 966 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 967 968 if ($image) { 969 list(, $mime) = mimetype($image); 970 if ($mime == 'image/jpeg') media_metaform($image,$auth); 971 } 972 } 973 974 /** 975 * Prints tab that displays mediafile revisions 976 * 977 * @author Kate Arzamastseva <pshns@ukr.net> 978 * 979 * @param string $image media id 980 * @param string $ns 981 * @param null|int $auth permission level 982 */ 983 function media_tab_history($image, $ns, $auth=null) { 984 global $lang; 985 global $INPUT; 986 987 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 988 $do = $INPUT->str('mediado'); 989 990 if ($auth >= AUTH_READ && $image) { 991 if ($do == 'diff'){ 992 media_diff($image, $ns, $auth); 993 } else { 994 $first = $INPUT->int('first'); 995 html_revisions($first, $image); 996 } 997 } else { 998 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 999 } 1000 } 1001 1002 /** 1003 * Prints mediafile details 1004 * 1005 * @param string $image media id 1006 * @param int $auth permission level 1007 * @param int|string $rev revision timestamp or empty string 1008 * @param JpegMeta|bool $meta 1009 * 1010 * @author Kate Arzamastseva <pshns@ukr.net> 1011 */ 1012 function media_preview($image, $auth, $rev='', $meta=false) { 1013 1014 $size = media_image_preview_size($image, $rev, $meta); 1015 1016 if ($size) { 1017 global $lang; 1018 echo '<div class="image">'; 1019 1020 $more = array(); 1021 if ($rev) { 1022 $more['rev'] = $rev; 1023 } else { 1024 $t = @filemtime(mediaFN($image)); 1025 $more['t'] = $t; 1026 } 1027 1028 $more['w'] = $size[0]; 1029 $more['h'] = $size[1]; 1030 $src = ml($image, $more); 1031 1032 echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">'; 1033 echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />'; 1034 echo '</a>'; 1035 1036 echo '</div>'.NL; 1037 } 1038 } 1039 1040 /** 1041 * Prints mediafile action buttons 1042 * 1043 * @author Kate Arzamastseva <pshns@ukr.net> 1044 * 1045 * @param string $image media id 1046 * @param int $auth permission level 1047 * @param string|int $rev revision timestamp, or empty string 1048 */ 1049 function media_preview_buttons($image, $auth, $rev='') { 1050 global $lang, $conf; 1051 1052 echo '<ul class="actions">'.NL; 1053 1054 if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){ 1055 1056 // delete button 1057 $form = new Doku_Form(array('id' => 'mediamanager__btn_delete', 1058 'action'=>media_managerURL(array('delete' => $image), '&'))); 1059 $form->addElement(form_makeButton('submit','',$lang['btn_delete'])); 1060 echo '<li>'; 1061 $form->printForm(); 1062 echo '</li>'.NL; 1063 } 1064 1065 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1066 if($auth >= $auth_ow && !$rev){ 1067 1068 // upload new version button 1069 $form = new Doku_Form(array('id' => 'mediamanager__btn_update', 1070 'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&'))); 1071 $form->addElement(form_makeButton('submit','',$lang['media_update'])); 1072 echo '<li>'; 1073 $form->printForm(); 1074 echo '</li>'.NL; 1075 } 1076 1077 if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){ 1078 1079 // restore button 1080 $form = new Doku_Form(array('id' => 'mediamanager__btn_restore', 1081 'action'=>media_managerURL(array('image' => $image), '&'))); 1082 $form->addHidden('mediado','restore'); 1083 $form->addHidden('rev',$rev); 1084 $form->addElement(form_makeButton('submit','',$lang['media_restore'])); 1085 echo '<li>'; 1086 $form->printForm(); 1087 echo '</li>'.NL; 1088 } 1089 1090 echo '</ul>'.NL; 1091 } 1092 1093 /** 1094 * Returns image width and height for mediamanager preview panel 1095 * 1096 * @author Kate Arzamastseva <pshns@ukr.net> 1097 * @param string $image 1098 * @param int|string $rev 1099 * @param JpegMeta|bool $meta 1100 * @param int $size 1101 * @return array|false 1102 */ 1103 function media_image_preview_size($image, $rev, $meta, $size = 500) { 1104 if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false; 1105 1106 $info = getimagesize(mediaFN($image, $rev)); 1107 $w = (int) $info[0]; 1108 $h = (int) $info[1]; 1109 1110 if($meta && ($w > $size || $h > $size)){ 1111 $ratio = $meta->getResizeRatio($size, $size); 1112 $w = floor($w * $ratio); 1113 $h = floor($h * $ratio); 1114 } 1115 return array($w, $h); 1116 } 1117 1118 /** 1119 * Returns the requested EXIF/IPTC tag from the image meta 1120 * 1121 * @author Kate Arzamastseva <pshns@ukr.net> 1122 * 1123 * @param array $tags array with tags, first existing is returned 1124 * @param JpegMeta $meta 1125 * @param string $alt alternative value 1126 * @return string 1127 */ 1128 function media_getTag($tags,$meta,$alt=''){ 1129 if($meta === false) return $alt; 1130 $info = $meta->getField($tags); 1131 if($info == false) return $alt; 1132 return $info; 1133 } 1134 1135 /** 1136 * Returns mediafile tags 1137 * 1138 * @author Kate Arzamastseva <pshns@ukr.net> 1139 * 1140 * @param JpegMeta $meta 1141 * @return array list of tags of the mediafile 1142 */ 1143 function media_file_tags($meta) { 1144 // load the field descriptions 1145 static $fields = null; 1146 if(is_null($fields)){ 1147 $config_files = getConfigFiles('mediameta'); 1148 foreach ($config_files as $config_file) { 1149 if(file_exists($config_file)) include($config_file); 1150 } 1151 } 1152 1153 $tags = array(); 1154 1155 foreach($fields as $key => $tag){ 1156 $t = array(); 1157 if (!empty($tag[0])) $t = array($tag[0]); 1158 if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]); 1159 $value = media_getTag($t, $meta); 1160 $tags[] = array('tag' => $tag, 'value' => $value); 1161 } 1162 1163 return $tags; 1164 } 1165 1166 /** 1167 * Prints mediafile tags 1168 * 1169 * @author Kate Arzamastseva <pshns@ukr.net> 1170 * 1171 * @param string $image image id 1172 * @param int $auth permission level 1173 * @param string|int $rev revision timestamp, or empty string 1174 * @param bool|JpegMeta $meta image object, or create one if false 1175 */ 1176 function media_details($image, $auth, $rev='', $meta=false) { 1177 global $lang; 1178 1179 if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev)); 1180 $tags = media_file_tags($meta); 1181 1182 echo '<dl>'.NL; 1183 foreach($tags as $tag){ 1184 if ($tag['value']) { 1185 $value = cleanText($tag['value']); 1186 echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>'; 1187 if ($tag['tag'][2] == 'date') echo dformat($value); 1188 else echo hsc($value); 1189 echo '</dd>'.NL; 1190 } 1191 } 1192 echo '</dl>'.NL; 1193 echo '<dl>'.NL; 1194 echo '<dt>'.$lang['reference'].':</dt>'; 1195 $media_usage = ft_mediause($image,true); 1196 if(count($media_usage) > 0){ 1197 foreach($media_usage as $path){ 1198 echo '<dd>'.html_wikilink($path).'</dd>'; 1199 } 1200 }else{ 1201 echo '<dd>'.$lang['nothingfound'].'</dd>'; 1202 } 1203 echo '</dl>'.NL; 1204 1205 } 1206 1207 /** 1208 * Shows difference between two revisions of file 1209 * 1210 * @author Kate Arzamastseva <pshns@ukr.net> 1211 * 1212 * @param string $image image id 1213 * @param string $ns 1214 * @param int $auth permission level 1215 * @param bool $fromajax 1216 * @return false|null|string 1217 */ 1218 function media_diff($image, $ns, $auth, $fromajax = false) { 1219 global $conf; 1220 global $INPUT; 1221 1222 if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return ''; 1223 1224 $rev1 = $INPUT->int('rev'); 1225 1226 $rev2 = $INPUT->ref('rev2'); 1227 if(is_array($rev2)){ 1228 $rev1 = (int) $rev2[0]; 1229 $rev2 = (int) $rev2[1]; 1230 1231 if(!$rev1){ 1232 $rev1 = $rev2; 1233 unset($rev2); 1234 } 1235 }else{ 1236 $rev2 = $INPUT->int('rev2'); 1237 } 1238 1239 if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false; 1240 if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false; 1241 1242 if($rev1 && $rev2){ // two specific revisions wanted 1243 // make sure order is correct (older on the left) 1244 if($rev1 < $rev2){ 1245 $l_rev = $rev1; 1246 $r_rev = $rev2; 1247 }else{ 1248 $l_rev = $rev2; 1249 $r_rev = $rev1; 1250 } 1251 }elseif($rev1){ // single revision given, compare to current 1252 $r_rev = ''; 1253 $l_rev = $rev1; 1254 }else{ // no revision was given, compare previous to current 1255 $r_rev = ''; 1256 $medialog = new MediaChangeLog($image); 1257 $revs = $medialog->getRevisions(0, 1); 1258 if (file_exists(mediaFN($image, $revs[0]))) { 1259 $l_rev = $revs[0]; 1260 } else { 1261 $l_rev = ''; 1262 } 1263 } 1264 1265 // prepare event data 1266 $data = array(); 1267 $data[0] = $image; 1268 $data[1] = $l_rev; 1269 $data[2] = $r_rev; 1270 $data[3] = $ns; 1271 $data[4] = $auth; 1272 $data[5] = $fromajax; 1273 1274 // trigger event 1275 return Event::createAndTrigger('MEDIA_DIFF', $data, '_media_file_diff', true); 1276 } 1277 1278 /** 1279 * Callback for media file diff 1280 * 1281 * @param array $data event data 1282 * @return false|null 1283 */ 1284 function _media_file_diff($data) { 1285 if(is_array($data) && count($data)===6) { 1286 media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 1287 } else { 1288 return false; 1289 } 1290 } 1291 1292 /** 1293 * Shows difference between two revisions of image 1294 * 1295 * @author Kate Arzamastseva <pshns@ukr.net> 1296 * 1297 * @param string $image 1298 * @param string|int $l_rev revision timestamp, or empty string 1299 * @param string|int $r_rev revision timestamp, or empty string 1300 * @param string $ns 1301 * @param int $auth permission level 1302 * @param bool $fromajax 1303 */ 1304 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){ 1305 global $lang; 1306 global $INPUT; 1307 1308 $l_meta = new JpegMeta(mediaFN($image, $l_rev)); 1309 $r_meta = new JpegMeta(mediaFN($image, $r_rev)); 1310 1311 $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image); 1312 if ($is_img) { 1313 $l_size = media_image_preview_size($image, $l_rev, $l_meta); 1314 $r_size = media_image_preview_size($image, $r_rev, $r_meta); 1315 $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30)); 1316 1317 $difftype = $INPUT->str('difftype'); 1318 1319 if (!$fromajax) { 1320 $form = new Doku_Form(array( 1321 'action' => media_managerURL(array(), '&'), 1322 'method' => 'get', 1323 'id' => 'mediamanager__form_diffview', 1324 'class' => 'diffView' 1325 )); 1326 $form->addHidden('sectok', null); 1327 $form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>'); 1328 $form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>'); 1329 $form->addHidden('mediado', 'diff'); 1330 $form->printForm(); 1331 1332 echo NL.'<div id="mediamanager__diff" >'.NL; 1333 } 1334 1335 if ($difftype == 'opacity' || $difftype == 'portions') { 1336 media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype); 1337 if (!$fromajax) echo '</div>'; 1338 return; 1339 } 1340 } 1341 1342 list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true); 1343 1344 ?> 1345 <div class="table"> 1346 <table> 1347 <tr> 1348 <th><?php echo $l_head; ?></th> 1349 <th><?php echo $r_head; ?></th> 1350 </tr> 1351 <?php 1352 1353 echo '<tr class="image">'; 1354 echo '<td>'; 1355 media_preview($image, $auth, $l_rev, $l_meta); 1356 echo '</td>'; 1357 1358 echo '<td>'; 1359 media_preview($image, $auth, $r_rev, $r_meta); 1360 echo '</td>'; 1361 echo '</tr>'.NL; 1362 1363 echo '<tr class="actions">'; 1364 echo '<td>'; 1365 media_preview_buttons($image, $auth, $l_rev); 1366 echo '</td>'; 1367 1368 echo '<td>'; 1369 media_preview_buttons($image, $auth, $r_rev); 1370 echo '</td>'; 1371 echo '</tr>'.NL; 1372 1373 $l_tags = media_file_tags($l_meta); 1374 $r_tags = media_file_tags($r_meta); 1375 // FIXME r_tags-only stuff 1376 foreach ($l_tags as $key => $l_tag) { 1377 if ($l_tag['value'] != $r_tags[$key]['value']) { 1378 $r_tags[$key]['highlighted'] = true; 1379 $l_tags[$key]['highlighted'] = true; 1380 } else if (!$l_tag['value'] || !$r_tags[$key]['value']) { 1381 unset($r_tags[$key]); 1382 unset($l_tags[$key]); 1383 } 1384 } 1385 1386 echo '<tr>'; 1387 foreach(array($l_tags,$r_tags) as $tags){ 1388 echo '<td>'.NL; 1389 1390 echo '<dl class="img_tags">'; 1391 foreach($tags as $tag){ 1392 $value = cleanText($tag['value']); 1393 if (!$value) $value = '-'; 1394 echo '<dt>'.$lang[$tag['tag'][1]].'</dt>'; 1395 echo '<dd>'; 1396 if ($tag['highlighted']) { 1397 echo '<strong>'; 1398 } 1399 if ($tag['tag'][2] == 'date') echo dformat($value); 1400 else echo hsc($value); 1401 if ($tag['highlighted']) { 1402 echo '</strong>'; 1403 } 1404 echo '</dd>'; 1405 } 1406 echo '</dl>'.NL; 1407 1408 echo '</td>'; 1409 } 1410 echo '</tr>'.NL; 1411 1412 echo '</table>'.NL; 1413 echo '</div>'.NL; 1414 1415 if ($is_img && !$fromajax) echo '</div>'; 1416 } 1417 1418 /** 1419 * Prints two images side by side 1420 * and slider 1421 * 1422 * @author Kate Arzamastseva <pshns@ukr.net> 1423 * 1424 * @param string $image image id 1425 * @param int $l_rev revision timestamp, or empty string 1426 * @param int $r_rev revision timestamp, or empty string 1427 * @param array $l_size array with width and height 1428 * @param array $r_size array with width and height 1429 * @param string $type 1430 */ 1431 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) { 1432 if ($l_size != $r_size) { 1433 if ($r_size[0] > $l_size[0]) { 1434 $l_size = $r_size; 1435 } 1436 } 1437 1438 $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1439 $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1440 1441 $l_src = ml($image, $l_more); 1442 $r_src = ml($image, $r_more); 1443 1444 // slider 1445 echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL; 1446 1447 // two images in divs 1448 echo '<div class="imageDiff ' . $type . '">'.NL; 1449 echo '<div class="image1" style="max-width: '.$l_size[0].'px;">'; 1450 echo '<img src="'.$l_src.'" alt="" />'; 1451 echo '</div>'.NL; 1452 echo '<div class="image2" style="max-width: '.$l_size[0].'px;">'; 1453 echo '<img src="'.$r_src.'" alt="" />'; 1454 echo '</div>'.NL; 1455 echo '</div>'.NL; 1456 } 1457 1458 /** 1459 * Restores an old revision of a media file 1460 * 1461 * @param string $image media id 1462 * @param int $rev revision timestamp or empty string 1463 * @param int $auth 1464 * @return string - file's id 1465 * 1466 * @author Kate Arzamastseva <pshns@ukr.net> 1467 */ 1468 function media_restore($image, $rev, $auth){ 1469 global $conf; 1470 if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false; 1471 $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes'))); 1472 if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false; 1473 if (!$rev || !file_exists(mediaFN($image, $rev))) return false; 1474 list(,$imime,) = mimetype($image); 1475 $res = media_upload_finish(mediaFN($image, $rev), 1476 mediaFN($image), 1477 $image, 1478 $imime, 1479 true, 1480 'copy'); 1481 if (is_array($res)) { 1482 msg($res[0], $res[1]); 1483 return false; 1484 } 1485 return $res; 1486 } 1487 1488 /** 1489 * List all files found by the search request 1490 * 1491 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1492 * @author Andreas Gohr <gohr@cosmocode.de> 1493 * @author Kate Arzamastseva <pshns@ukr.net> 1494 * @triggers MEDIA_SEARCH 1495 * 1496 * @param string $query 1497 * @param string $ns 1498 * @param null|int $auth 1499 * @param bool $fullscreen 1500 * @param string $sort 1501 */ 1502 function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){ 1503 global $conf; 1504 global $lang; 1505 1506 $ns = cleanID($ns); 1507 $evdata = array( 1508 'ns' => $ns, 1509 'data' => array(), 1510 'query' => $query 1511 ); 1512 if (!blank($query)) { 1513 $evt = new Event('MEDIA_SEARCH', $evdata); 1514 if ($evt->advise_before()) { 1515 $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns'])); 1516 $quoted = preg_quote($evdata['query'],'/'); 1517 //apply globbing 1518 $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count); 1519 1520 //if we use globbing file name must match entirely but may be preceded by arbitrary namespace 1521 if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$'; 1522 1523 $pattern = '/'.$quoted.'/i'; 1524 search($evdata['data'], 1525 $conf['mediadir'], 1526 'search_media', 1527 array('showmsg'=>false,'pattern'=>$pattern), 1528 $dir, 1529 1, 1530 $sort); 1531 } 1532 $evt->advise_after(); 1533 unset($evt); 1534 } 1535 1536 if (!$fullscreen) { 1537 echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL; 1538 media_searchform($ns,$query); 1539 } 1540 1541 if(!count($evdata['data'])){ 1542 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 1543 }else { 1544 if ($fullscreen) { 1545 echo '<ul class="' . _media_get_list_type() . '">'; 1546 } 1547 foreach($evdata['data'] as $item){ 1548 if (!$fullscreen) media_printfile($item,$item['perm'],'',true); 1549 else media_printfile_thumbs($item,$item['perm'],false,true); 1550 } 1551 if ($fullscreen) echo '</ul>'.NL; 1552 } 1553 } 1554 1555 /** 1556 * Formats and prints one file in the list 1557 * 1558 * @param array $item 1559 * @param int $auth permission level 1560 * @param string $jump item id 1561 * @param bool $display_namespace 1562 */ 1563 function media_printfile($item,$auth,$jump,$display_namespace=false){ 1564 global $lang; 1565 1566 // Prepare zebra coloring 1567 // I always wanted to use this variable name :-D 1568 static $twibble = 1; 1569 $twibble *= -1; 1570 $zebra = ($twibble == -1) ? 'odd' : 'even'; 1571 1572 // Automatically jump to recent action 1573 if($jump == $item['id']) { 1574 $jump = ' id="scroll__here" '; 1575 }else{ 1576 $jump = ''; 1577 } 1578 1579 // Prepare fileicons 1580 list($ext) = mimetype($item['file'],false); 1581 $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext); 1582 $class = 'select mediafile mf_'.$class; 1583 1584 // Prepare filename 1585 $file = utf8_decodeFN($item['file']); 1586 1587 // Prepare info 1588 $info = ''; 1589 if($item['isimg']){ 1590 $info .= (int) $item['meta']->getField('File.Width'); 1591 $info .= '×'; 1592 $info .= (int) $item['meta']->getField('File.Height'); 1593 $info .= ' '; 1594 } 1595 $info .= '<i>'.dformat($item['mtime']).'</i>'; 1596 $info .= ' '; 1597 $info .= filesize_h($item['size']); 1598 1599 // output 1600 echo '<div class="'.$zebra.'"'.$jump.' title="'.hsc($item['id']).'">'.NL; 1601 if (!$display_namespace) { 1602 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> '; 1603 } else { 1604 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>'; 1605 } 1606 echo '<span class="info">('.$info.')</span>'.NL; 1607 1608 // view button 1609 $link = ml($item['id'],'',true); 1610 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '. 1611 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>'; 1612 1613 // mediamanager button 1614 $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id']))); 1615 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '. 1616 'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>'; 1617 1618 // delete button 1619 if($item['writable'] && $auth >= AUTH_DELETE){ 1620 $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']). 1621 '&sectok='.getSecurityToken(); 1622 echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'. 1623 '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '. 1624 'title="'.$lang['btn_delete'].'" class="btn" /></a>'; 1625 } 1626 1627 echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">'; 1628 echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>'; 1629 echo '</div>'; 1630 if($item['isimg']) media_printimgdetail($item); 1631 echo '<div class="clearer"></div>'.NL; 1632 echo '</div>'.NL; 1633 } 1634 1635 /** 1636 * Display a media icon 1637 * 1638 * @param string $filename media id 1639 * @param string $size the size subfolder, if not specified 16x16 is used 1640 * @return string html 1641 */ 1642 function media_printicon($filename, $size=''){ 1643 list($ext) = mimetype(mediaFN($filename),false); 1644 1645 if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) { 1646 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png'; 1647 } else { 1648 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png'; 1649 } 1650 1651 return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />'; 1652 } 1653 1654 /** 1655 * Formats and prints one file in the list in the thumbnails view 1656 * 1657 * @author Kate Arzamastseva <pshns@ukr.net> 1658 * 1659 * @param array $item 1660 * @param int $auth permission level 1661 * @param bool|string $jump item id 1662 * @param bool $display_namespace 1663 */ 1664 function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){ 1665 1666 // Prepare filename 1667 $file = utf8_decodeFN($item['file']); 1668 1669 // output 1670 echo '<li><dl title="'.hsc($item['id']).'">'.NL; 1671 1672 echo '<dt>'; 1673 if($item['isimg']) { 1674 media_printimgdetail($item, true); 1675 1676 } else { 1677 echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'. 1678 media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1679 'tab_details' => 'view')).'">'; 1680 echo media_printicon($item['id'], '32x32'); 1681 echo '</a>'; 1682 } 1683 echo '</dt>'.NL; 1684 if (!$display_namespace) { 1685 $name = hsc($file); 1686 } else { 1687 $name = hsc($item['id']); 1688 } 1689 echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1690 'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL; 1691 1692 if($item['isimg']){ 1693 $size = ''; 1694 $size .= (int) $item['meta']->getField('File.Width'); 1695 $size .= '×'; 1696 $size .= (int) $item['meta']->getField('File.Height'); 1697 echo '<dd class="size">'.$size.'</dd>'.NL; 1698 } else { 1699 echo '<dd class="size"> </dd>'.NL; 1700 } 1701 $date = dformat($item['mtime']); 1702 echo '<dd class="date">'.$date.'</dd>'.NL; 1703 $filesize = filesize_h($item['size']); 1704 echo '<dd class="filesize">'.$filesize.'</dd>'.NL; 1705 echo '</dl></li>'.NL; 1706 } 1707 1708 /** 1709 * Prints a thumbnail and metainfo 1710 * 1711 * @param array $item 1712 * @param bool $fullscreen 1713 */ 1714 function media_printimgdetail($item, $fullscreen=false){ 1715 // prepare thumbnail 1716 $size = $fullscreen ? 90 : 120; 1717 1718 $w = (int) $item['meta']->getField('File.Width'); 1719 $h = (int) $item['meta']->getField('File.Height'); 1720 if($w>$size || $h>$size){ 1721 if (!$fullscreen) { 1722 $ratio = $item['meta']->getResizeRatio($size); 1723 } else { 1724 $ratio = $item['meta']->getResizeRatio($size,$size); 1725 } 1726 $w = floor($w * $ratio); 1727 $h = floor($h * $ratio); 1728 } 1729 $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime'])); 1730 $p = array(); 1731 if (!$fullscreen) { 1732 // In fullscreen mediamanager view, image resizing is done via CSS. 1733 $p['width'] = $w; 1734 $p['height'] = $h; 1735 } 1736 $p['alt'] = $item['id']; 1737 $att = buildAttributes($p); 1738 1739 // output 1740 if ($fullscreen) { 1741 echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'. 1742 media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view']).'">'; 1743 echo '<img src="'.$src.'" '.$att.' />'; 1744 echo '</a>'; 1745 } 1746 1747 if ($fullscreen) return; 1748 1749 echo '<div class="detail">'; 1750 echo '<div class="thumb">'; 1751 echo '<a id="d_:'.$item['id'].'" class="select">'; 1752 echo '<img src="'.$src.'" '.$att.' />'; 1753 echo '</a>'; 1754 echo '</div>'; 1755 1756 // read EXIF/IPTC data 1757 $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title')); 1758 $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment', 1759 'EXIF.TIFFImageDescription', 1760 'EXIF.TIFFUserComment')); 1761 if(\dokuwiki\Utf8\PhpString::strlen($d) > 250) $d = \dokuwiki\Utf8\PhpString::substr($d,0,250).'...'; 1762 $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject')); 1763 1764 // print EXIF/IPTC data 1765 if($t || $d || $k ){ 1766 echo '<p>'; 1767 if($t) echo '<strong>'.hsc($t).'</strong><br />'; 1768 if($d) echo hsc($d).'<br />'; 1769 if($t) echo '<em>'.hsc($k).'</em>'; 1770 echo '</p>'; 1771 } 1772 echo '</div>'; 1773 } 1774 1775 /** 1776 * Build link based on the current, adding/rewriting parameters 1777 * 1778 * @author Kate Arzamastseva <pshns@ukr.net> 1779 * 1780 * @param array|bool $params 1781 * @param string $amp separator 1782 * @param bool $abs absolute url? 1783 * @param bool $params_array return the parmeters array? 1784 * @return string|array - link or link parameters 1785 */ 1786 function media_managerURL($params=false, $amp='&', $abs=false, $params_array=false) { 1787 global $ID; 1788 global $INPUT; 1789 1790 $gets = array('do' => 'media'); 1791 $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'); 1792 foreach ($media_manager_params as $x) { 1793 if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x); 1794 } 1795 1796 if ($params) { 1797 $gets = $params + $gets; 1798 } 1799 unset($gets['id']); 1800 if (isset($gets['delete'])) { 1801 unset($gets['image']); 1802 unset($gets['tab_details']); 1803 } 1804 1805 if ($params_array) return $gets; 1806 1807 return wl($ID,$gets,$abs,$amp); 1808 } 1809 1810 /** 1811 * Print the media upload form if permissions are correct 1812 * 1813 * @author Andreas Gohr <andi@splitbrain.org> 1814 * @author Kate Arzamastseva <pshns@ukr.net> 1815 * 1816 * @param string $ns 1817 * @param int $auth permission level 1818 * @param bool $fullscreen 1819 */ 1820 function media_uploadform($ns, $auth, $fullscreen = false){ 1821 global $lang; 1822 global $conf; 1823 global $INPUT; 1824 1825 if($auth < AUTH_UPLOAD) { 1826 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 1827 return; 1828 } 1829 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1830 1831 $update = false; 1832 $id = ''; 1833 if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') { 1834 $update = true; 1835 $id = cleanID($INPUT->str('image')); 1836 } 1837 1838 // The default HTML upload form 1839 $params = array('id' => 'dw__upload', 1840 'enctype' => 'multipart/form-data'); 1841 if (!$fullscreen) { 1842 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1843 } else { 1844 $params['action'] = media_managerURL(array('tab_files' => 'files', 1845 'tab_details' => 'view'), '&'); 1846 } 1847 1848 $form = new Doku_Form($params); 1849 if (!$fullscreen) echo '<div class="upload">' . $lang['mediaupload'] . '</div>'; 1850 $form->addElement(formSecurityToken()); 1851 $form->addHidden('ns', hsc($ns)); 1852 $form->addElement(form_makeOpenTag('p')); 1853 $form->addElement(form_makeFileField('upload', $lang['txt_upload'], 'upload__file')); 1854 $form->addElement(form_makeCloseTag('p')); 1855 $form->addElement(form_makeOpenTag('p')); 1856 $form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name')); 1857 $form->addElement(form_makeButton('submit', '', $lang['btn_upload'])); 1858 $form->addElement(form_makeCloseTag('p')); 1859 1860 if($auth >= $auth_ow){ 1861 $form->addElement(form_makeOpenTag('p')); 1862 $attrs = array(); 1863 if ($update) $attrs['checked'] = 'checked'; 1864 $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs)); 1865 $form->addElement(form_makeCloseTag('p')); 1866 } 1867 1868 echo NL.'<div id="mediamanager__uploader">'.NL; 1869 html_form('upload', $form); 1870 1871 echo '</div>'.NL; 1872 1873 echo '<p class="maxsize">'; 1874 printf($lang['maxuploadsize'],filesize_h(media_getuploadsize())); 1875 echo ' <a class="allowedmime" href="#">' . $lang['allowedmime'] . '</a>'; 1876 echo ' <span>' . implode(', ', array_keys(getMimeTypes())) .'</span>'; 1877 echo '</p>'.NL; 1878 } 1879 1880 /** 1881 * Returns the size uploaded files may have 1882 * 1883 * This uses a conservative approach using the lowest number found 1884 * in any of the limiting ini settings 1885 * 1886 * @returns int size in bytes 1887 */ 1888 function media_getuploadsize(){ 1889 $okay = 0; 1890 1891 $post = (int) php_to_byte(@ini_get('post_max_size')); 1892 $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length')); 1893 $upld = (int) php_to_byte(@ini_get('upload_max_filesize')); 1894 1895 if($post && ($post < $okay || $okay == 0)) $okay = $post; 1896 if($suho && ($suho < $okay || $okay == 0)) $okay = $suho; 1897 if($upld && ($upld < $okay || $okay == 0)) $okay = $upld; 1898 1899 return $okay; 1900 } 1901 1902 /** 1903 * Print the search field form 1904 * 1905 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1906 * @author Kate Arzamastseva <pshns@ukr.net> 1907 * 1908 * @param string $ns 1909 * @param string $query 1910 * @param bool $fullscreen 1911 */ 1912 function media_searchform($ns,$query='',$fullscreen=false){ 1913 global $lang; 1914 1915 // The default HTML search form 1916 $params = array('id' => 'dw__mediasearch'); 1917 if (!$fullscreen) { 1918 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1919 } else { 1920 $params['action'] = media_managerURL(array(), '&'); 1921 } 1922 $form = new Doku_Form($params); 1923 $form->addHidden('ns', $ns); 1924 $form->addHidden($fullscreen ? 'mediado' : 'do', 'searchlist'); 1925 1926 $form->addElement(form_makeOpenTag('p')); 1927 $form->addElement( 1928 form_makeTextField( 1929 'q', 1930 $query, 1931 $lang['searchmedia'], 1932 '', 1933 '', 1934 array('title' => sprintf($lang['searchmedia_in'], hsc($ns) . ':*')) 1935 ) 1936 ); 1937 $form->addElement(form_makeButton('submit', '', $lang['btn_search'])); 1938 $form->addElement(form_makeCloseTag('p')); 1939 html_form('searchmedia', $form); 1940 } 1941 1942 /** 1943 * Build a tree outline of available media namespaces 1944 * 1945 * @author Andreas Gohr <andi@splitbrain.org> 1946 * 1947 * @param string $ns 1948 */ 1949 function media_nstree($ns){ 1950 global $conf; 1951 global $lang; 1952 1953 // currently selected namespace 1954 $ns = cleanID($ns); 1955 if(empty($ns)){ 1956 global $ID; 1957 $ns = (string)getNS($ID); 1958 } 1959 1960 $ns_dir = utf8_encodeFN(str_replace(':','/',$ns)); 1961 1962 $data = array(); 1963 search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true)); 1964 1965 // wrap a list with the root level around the other namespaces 1966 array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true', 1967 'label' => '['.$lang['mediaroot'].']')); 1968 1969 // insert the current ns into the hierarchy if it isn't already part of it 1970 $ns_parts = explode(':', $ns); 1971 $tmp_ns = ''; 1972 $pos = 0; 1973 foreach ($ns_parts as $level => $part) { 1974 if ($tmp_ns) $tmp_ns .= ':'.$part; 1975 else $tmp_ns = $part; 1976 1977 // find the namespace parts or insert them 1978 while ($data[$pos]['id'] != $tmp_ns) { 1979 if ( 1980 $pos >= count($data) || 1981 ($data[$pos]['level'] <= $level+1 && Sort::strcmp($data[$pos]['id'], $tmp_ns) > 0) 1982 ) { 1983 array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true'))); 1984 break; 1985 } 1986 ++$pos; 1987 } 1988 } 1989 1990 echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li'); 1991 } 1992 1993 /** 1994 * Userfunction for html_buildlist 1995 * 1996 * Prints a media namespace tree item 1997 * 1998 * @author Andreas Gohr <andi@splitbrain.org> 1999 * 2000 * @param array $item 2001 * @return string html 2002 */ 2003 function media_nstree_item($item){ 2004 global $INPUT; 2005 $pos = strrpos($item['id'], ':'); 2006 $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0); 2007 if(empty($item['label'])) $item['label'] = $label; 2008 2009 $ret = ''; 2010 if (!($INPUT->str('do') == 'media')) 2011 $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">'; 2012 else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files')) 2013 .'" class="idx_dir">'; 2014 $ret .= $item['label']; 2015 $ret .= '</a>'; 2016 return $ret; 2017 } 2018 2019 /** 2020 * Userfunction for html_buildlist 2021 * 2022 * Prints a media namespace tree item opener 2023 * 2024 * @author Andreas Gohr <andi@splitbrain.org> 2025 * 2026 * @param array $item 2027 * @return string html 2028 */ 2029 function media_nstree_li($item){ 2030 $class='media level'.$item['level']; 2031 if($item['open']){ 2032 $class .= ' open'; 2033 $img = DOKU_BASE.'lib/images/minus.gif'; 2034 $alt = '−'; 2035 }else{ 2036 $class .= ' closed'; 2037 $img = DOKU_BASE.'lib/images/plus.gif'; 2038 $alt = '+'; 2039 } 2040 // TODO: only deliver an image if it actually has a subtree... 2041 return '<li class="'.$class.'">'. 2042 '<img src="'.$img.'" alt="'.$alt.'" />'; 2043 } 2044 2045 /** 2046 * Resizes the given image to the given size 2047 * 2048 * @author Andreas Gohr <andi@splitbrain.org> 2049 * 2050 * @param string $file filename, path to file 2051 * @param string $ext extension 2052 * @param int $w desired width 2053 * @param int $h desired height 2054 * @return string path to resized or original size if failed 2055 */ 2056 function media_resize_image($file, $ext, $w, $h=0){ 2057 global $conf; 2058 2059 $info = @getimagesize($file); //get original size 2060 if($info == false) return $file; // that's no image - it's a spaceship! 2061 2062 if(!$h) $h = round(($w * $info[1]) / $info[0]); 2063 if(!$w) $w = round(($h * $info[0]) / $info[1]); 2064 2065 // we wont scale up to infinity 2066 if($w > 2000 || $h > 2000) return $file; 2067 2068 // resize necessary? - (w,h) = native dimensions 2069 if(($w == $info[0]) && ($h == $info[1])) return $file; 2070 2071 //cache 2072 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext); 2073 $mtime = @filemtime($local); // 0 if not exists 2074 2075 if($mtime > filemtime($file) || 2076 media_resize_imageIM($ext, $file, $info[0], $info[1], $local, $w, $h) || 2077 media_resize_imageGD($ext, $file, $info[0], $info[1], $local, $w, $h) 2078 ) { 2079 if($conf['fperm']) @chmod($local, $conf['fperm']); 2080 return $local; 2081 } 2082 //still here? resizing failed 2083 return $file; 2084 } 2085 2086 /** 2087 * Crops the given image to the wanted ratio, then calls media_resize_image to scale it 2088 * to the wanted size 2089 * 2090 * Crops are centered horizontally but prefer the upper third of an vertical 2091 * image because most pics are more interesting in that area (rule of thirds) 2092 * 2093 * @author Andreas Gohr <andi@splitbrain.org> 2094 * 2095 * @param string $file filename, path to file 2096 * @param string $ext extension 2097 * @param int $w desired width 2098 * @param int $h desired height 2099 * @return string path to resized or original size if failed 2100 */ 2101 function media_crop_image($file, $ext, $w, $h=0){ 2102 global $conf; 2103 2104 if(!$h) $h = $w; 2105 $info = @getimagesize($file); //get original size 2106 if($info == false) return $file; // that's no image - it's a spaceship! 2107 2108 // calculate crop size 2109 $fr = $info[0]/$info[1]; 2110 $tr = $w/$h; 2111 2112 // check if the crop can be handled completely by resize, 2113 // i.e. the specified width & height match the aspect ratio of the source image 2114 if ($w == round($h*$fr)) { 2115 return media_resize_image($file, $ext, $w); 2116 } 2117 2118 if($tr >= 1){ 2119 if($tr > $fr){ 2120 $cw = $info[0]; 2121 $ch = (int) ($info[0]/$tr); 2122 }else{ 2123 $cw = (int) ($info[1]*$tr); 2124 $ch = $info[1]; 2125 } 2126 }else{ 2127 if($tr < $fr){ 2128 $cw = (int) ($info[1]*$tr); 2129 $ch = $info[1]; 2130 }else{ 2131 $cw = $info[0]; 2132 $ch = (int) ($info[0]/$tr); 2133 } 2134 } 2135 // calculate crop offset 2136 $cx = (int) (($info[0]-$cw)/2); 2137 $cy = (int) (($info[1]-$ch)/3); 2138 2139 //cache 2140 $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext); 2141 $mtime = @filemtime($local); // 0 if not exists 2142 2143 if( $mtime > @filemtime($file) || 2144 media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) || 2145 media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){ 2146 if($conf['fperm']) @chmod($local, $conf['fperm']); 2147 return media_resize_image($local,$ext, $w, $h); 2148 } 2149 2150 //still here? cropping failed 2151 return media_resize_image($file,$ext, $w, $h); 2152 } 2153 2154 /** 2155 * Calculate a token to be used to verify fetch requests for resized or 2156 * cropped images have been internally generated - and prevent external 2157 * DDOS attacks via fetch 2158 * 2159 * @author Christopher Smith <chris@jalakai.co.uk> 2160 * 2161 * @param string $id id of the image 2162 * @param int $w resize/crop width 2163 * @param int $h resize/crop height 2164 * @return string token or empty string if no token required 2165 */ 2166 function media_get_token($id,$w,$h){ 2167 // token is only required for modified images 2168 if ($w || $h || media_isexternal($id)) { 2169 $token = $id; 2170 if ($w) $token .= '.'.$w; 2171 if ($h) $token .= '.'.$h; 2172 2173 return substr(\dokuwiki\PassHash::hmac('md5', $token, auth_cookiesalt()),0,6); 2174 } 2175 2176 return ''; 2177 } 2178 2179 /** 2180 * Download a remote file and return local filename 2181 * 2182 * returns false if download fails. Uses cached file if available and 2183 * wanted 2184 * 2185 * @author Andreas Gohr <andi@splitbrain.org> 2186 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2187 * 2188 * @param string $url 2189 * @param string $ext extension 2190 * @param int $cache cachetime in seconds 2191 * @return false|string path to cached file 2192 */ 2193 function media_get_from_URL($url,$ext,$cache){ 2194 global $conf; 2195 2196 // if no cache or fetchsize just redirect 2197 if ($cache==0) return false; 2198 if (!$conf['fetchsize']) return false; 2199 2200 $local = getCacheName(strtolower($url),".media.$ext"); 2201 $mtime = @filemtime($local); // 0 if not exists 2202 2203 //decide if download needed: 2204 if(($mtime == 0) || // cache does not exist 2205 ($cache != -1 && $mtime < time() - $cache) // 'recache' and cache has expired 2206 ) { 2207 if(media_image_download($url, $local)) { 2208 return $local; 2209 } else { 2210 return false; 2211 } 2212 } 2213 2214 //if cache exists use it else 2215 if($mtime) return $local; 2216 2217 //else return false 2218 return false; 2219 } 2220 2221 /** 2222 * Download image files 2223 * 2224 * @author Andreas Gohr <andi@splitbrain.org> 2225 * 2226 * @param string $url 2227 * @param string $file path to file in which to put the downloaded content 2228 * @return bool 2229 */ 2230 function media_image_download($url,$file){ 2231 global $conf; 2232 $http = new DokuHTTPClient(); 2233 $http->keep_alive = false; // we do single ops here, no need for keep-alive 2234 2235 $http->max_bodysize = $conf['fetchsize']; 2236 $http->timeout = 25; //max. 25 sec 2237 $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i'; 2238 2239 $data = $http->get($url); 2240 if(!$data) return false; 2241 2242 $fileexists = file_exists($file); 2243 $fp = @fopen($file,"w"); 2244 if(!$fp) return false; 2245 fwrite($fp,$data); 2246 fclose($fp); 2247 if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']); 2248 2249 // check if it is really an image 2250 $info = @getimagesize($file); 2251 if(!$info){ 2252 @unlink($file); 2253 return false; 2254 } 2255 2256 return true; 2257 } 2258 2259 /** 2260 * resize images using external ImageMagick convert program 2261 * 2262 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2263 * @author Andreas Gohr <andi@splitbrain.org> 2264 * 2265 * @param string $ext extension 2266 * @param string $from filename path to file 2267 * @param int $from_w original width 2268 * @param int $from_h original height 2269 * @param string $to path to resized file 2270 * @param int $to_w desired width 2271 * @param int $to_h desired height 2272 * @return bool 2273 */ 2274 function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){ 2275 global $conf; 2276 2277 // check if convert is configured 2278 if(!$conf['im_convert']) return false; 2279 2280 // prepare command 2281 $cmd = $conf['im_convert']; 2282 $cmd .= ' -resize '.$to_w.'x'.$to_h.'!'; 2283 if ($ext == 'jpg' || $ext == 'jpeg') { 2284 $cmd .= ' -quality '.$conf['jpg_quality']; 2285 } 2286 $cmd .= " $from $to"; 2287 2288 @exec($cmd,$out,$retval); 2289 if ($retval == 0) return true; 2290 return false; 2291 } 2292 2293 /** 2294 * crop images using external ImageMagick convert program 2295 * 2296 * @author Andreas Gohr <andi@splitbrain.org> 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 $ofs_y offset of crop centre 2307 * @return bool 2308 */ 2309 function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){ 2310 global $conf; 2311 2312 // check if convert is configured 2313 if(!$conf['im_convert']) return false; 2314 2315 // prepare command 2316 $cmd = $conf['im_convert']; 2317 $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y; 2318 if ($ext == 'jpg' || $ext == 'jpeg') { 2319 $cmd .= ' -quality '.$conf['jpg_quality']; 2320 } 2321 $cmd .= " $from $to"; 2322 2323 @exec($cmd,$out,$retval); 2324 if ($retval == 0) return true; 2325 return false; 2326 } 2327 2328 /** 2329 * resize or crop images using PHP's libGD support 2330 * 2331 * @author Andreas Gohr <andi@splitbrain.org> 2332 * @author Sebastian Wienecke <s_wienecke@web.de> 2333 * 2334 * @param string $ext extension 2335 * @param string $from filename path to file 2336 * @param int $from_w original width 2337 * @param int $from_h original height 2338 * @param string $to path to resized file 2339 * @param int $to_w desired width 2340 * @param int $to_h desired height 2341 * @param int $ofs_x offset of crop centre 2342 * @param int $ofs_y offset of crop centre 2343 * @return bool 2344 */ 2345 function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){ 2346 global $conf; 2347 2348 if($conf['gdlib'] < 1) return false; //no GDlib available or wanted 2349 2350 // check available memory 2351 if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){ 2352 return false; 2353 } 2354 2355 // create an image of the given filetype 2356 $image = false; 2357 if ($ext == 'jpg' || $ext == 'jpeg'){ 2358 if(!function_exists("imagecreatefromjpeg")) return false; 2359 $image = @imagecreatefromjpeg($from); 2360 }elseif($ext == 'png') { 2361 if(!function_exists("imagecreatefrompng")) return false; 2362 $image = @imagecreatefrompng($from); 2363 2364 }elseif($ext == 'gif') { 2365 if(!function_exists("imagecreatefromgif")) return false; 2366 $image = @imagecreatefromgif($from); 2367 } 2368 if(!$image) return false; 2369 2370 $newimg = false; 2371 if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){ 2372 $newimg = @imagecreatetruecolor ($to_w, $to_h); 2373 } 2374 if(!$newimg) $newimg = @imagecreate($to_w, $to_h); 2375 if(!$newimg){ 2376 imagedestroy($image); 2377 return false; 2378 } 2379 2380 //keep png alpha channel if possible 2381 if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){ 2382 imagealphablending($newimg, false); 2383 imagesavealpha($newimg,true); 2384 } 2385 2386 //keep gif transparent color if possible 2387 if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) { 2388 if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) { 2389 $transcolorindex = @imagecolortransparent($image); 2390 if($transcolorindex >= 0 ) { //transparent color exists 2391 $transcolor = @imagecolorsforindex($image, $transcolorindex); 2392 $transcolorindex = @imagecolorallocate( 2393 $newimg, 2394 $transcolor['red'], 2395 $transcolor['green'], 2396 $transcolor['blue'] 2397 ); 2398 @imagefill($newimg, 0, 0, $transcolorindex); 2399 @imagecolortransparent($newimg, $transcolorindex); 2400 }else{ //filling with white 2401 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2402 @imagefill($newimg, 0, 0, $whitecolorindex); 2403 } 2404 }else{ //filling with white 2405 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2406 @imagefill($newimg, 0, 0, $whitecolorindex); 2407 } 2408 } 2409 2410 //try resampling first 2411 if(function_exists("imagecopyresampled")){ 2412 if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) { 2413 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2414 } 2415 }else{ 2416 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2417 } 2418 2419 $okay = false; 2420 if ($ext == 'jpg' || $ext == 'jpeg'){ 2421 if(!function_exists('imagejpeg')){ 2422 $okay = false; 2423 }else{ 2424 $okay = imagejpeg($newimg, $to, $conf['jpg_quality']); 2425 } 2426 }elseif($ext == 'png') { 2427 if(!function_exists('imagepng')){ 2428 $okay = false; 2429 }else{ 2430 $okay = imagepng($newimg, $to); 2431 } 2432 }elseif($ext == 'gif') { 2433 if(!function_exists('imagegif')){ 2434 $okay = false; 2435 }else{ 2436 $okay = imagegif($newimg, $to); 2437 } 2438 } 2439 2440 // destroy GD image ressources 2441 if($image) imagedestroy($image); 2442 if($newimg) imagedestroy($newimg); 2443 2444 return $okay; 2445 } 2446 2447 /** 2448 * Return other media files with the same base name 2449 * but different extensions. 2450 * 2451 * @param string $src - ID of media file 2452 * @param string[] $exts - alternative extensions to find other files for 2453 * @return array - array(mime type => file ID) 2454 * 2455 * @author Anika Henke <anika@selfthinker.org> 2456 */ 2457 function media_alternativefiles($src, $exts){ 2458 2459 $files = array(); 2460 list($srcExt, /* $srcMime */) = mimetype($src); 2461 $filebase = substr($src, 0, -1 * (strlen($srcExt)+1)); 2462 2463 foreach($exts as $ext) { 2464 $fileid = $filebase.'.'.$ext; 2465 $file = mediaFN($fileid); 2466 if(file_exists($file)) { 2467 list(/* $fileExt */, $fileMime) = mimetype($file); 2468 $files[$fileMime] = $fileid; 2469 } 2470 } 2471 return $files; 2472 } 2473 2474 /** 2475 * Check if video/audio is supported to be embedded. 2476 * 2477 * @param string $mime - mimetype of media file 2478 * @param string $type - type of media files to check ('video', 'audio', or null for all) 2479 * @return boolean 2480 * 2481 * @author Anika Henke <anika@selfthinker.org> 2482 */ 2483 function media_supportedav($mime, $type=NULL){ 2484 $supportedAudio = array( 2485 'ogg' => 'audio/ogg', 2486 'mp3' => 'audio/mpeg', 2487 'wav' => 'audio/wav', 2488 ); 2489 $supportedVideo = array( 2490 'webm' => 'video/webm', 2491 'ogv' => 'video/ogg', 2492 'mp4' => 'video/mp4', 2493 ); 2494 if ($type == 'audio') { 2495 $supportedAv = $supportedAudio; 2496 } elseif ($type == 'video') { 2497 $supportedAv = $supportedVideo; 2498 } else { 2499 $supportedAv = array_merge($supportedAudio, $supportedVideo); 2500 } 2501 return in_array($mime, $supportedAv); 2502 } 2503 2504 /** 2505 * Return track media files with the same base name 2506 * but extensions that indicate kind and lang. 2507 * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt... 2508 * 2509 * @param string $src - ID of media file 2510 * @return array - array(mediaID => array( kind, srclang )) 2511 * 2512 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 2513 */ 2514 function media_trackfiles($src){ 2515 $kinds=array( 2516 'sub' => 'subtitles', 2517 'cap' => 'captions', 2518 'des' => 'descriptions', 2519 'cha' => 'chapters', 2520 'met' => 'metadata' 2521 ); 2522 2523 $files = array(); 2524 $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/'; 2525 $baseid=pathinfo($src, PATHINFO_FILENAME); 2526 $pattern=mediaFN($baseid).'.*.*.vtt'; 2527 $list=glob($pattern); 2528 foreach($list as $track) { 2529 if(preg_match($re, $track, $matches)){ 2530 $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array( 2531 $kinds[$matches[1]], 2532 $matches[2], 2533 ); 2534 } 2535 } 2536 return $files; 2537 } 2538 2539 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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