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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 14 /** 15 * Lists pages which currently use a media file selected for deletion 16 * 17 * References uses the same visual as search results and share 18 * their CSS tags except pagenames won't be links. 19 * 20 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net> 21 * 22 * @param array $data 23 * @param string $id 24 */ 25 function media_filesinuse($data,$id){ 26 global $lang; 27 echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>'; 28 echo '<p>'.hsc($lang['ref_inuse']).'</p>'; 29 30 $hidden=0; //count of hits without read permission 31 foreach($data as $row){ 32 if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){ 33 echo '<div class="search_result">'; 34 echo '<span class="mediaref_ref">'.hsc($row).'</span>'; 35 echo '</div>'; 36 }else 37 $hidden++; 38 } 39 if ($hidden){ 40 print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>'; 41 } 42 } 43 44 /** 45 * Handles the saving of image meta data 46 * 47 * @author Andreas Gohr <andi@splitbrain.org> 48 * @author Kate Arzamastseva <pshns@ukr.net> 49 * 50 * @param string $id media id 51 * @param int $auth permission level 52 * @param array $data 53 * @return false|string 54 */ 55 function media_metasave($id,$auth,$data){ 56 if($auth < AUTH_UPLOAD) return false; 57 if(!checkSecurityToken()) return false; 58 global $lang; 59 global $conf; 60 $src = mediaFN($id); 61 62 $meta = new JpegMeta($src); 63 $meta->_parseAll(); 64 65 foreach($data as $key => $val){ 66 $val=trim($val); 67 if(empty($val)){ 68 $meta->deleteField($key); 69 }else{ 70 $meta->setField($key,$val); 71 } 72 } 73 74 $old = @filemtime($src); 75 if(!file_exists(mediaFN($id, $old)) && file_exists($src)) { 76 // add old revision to the attic 77 media_saveOldRevision($id); 78 } 79 $filesize_old = filesize($src); 80 if($meta->save()){ 81 if($conf['fperm']) chmod($src, $conf['fperm']); 82 @clearstatcache(true, $src); 83 $new = @filemtime($src); 84 $filesize_new = filesize($src); 85 $sizechange = $filesize_new - $filesize_old; 86 87 // add a log entry to the media changelog 88 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange); 89 90 msg($lang['metasaveok'],1); 91 return $id; 92 }else{ 93 msg($lang['metasaveerr'],-1); 94 return false; 95 } 96 } 97 98 /** 99 * check if a media is external source 100 * 101 * @author Gerrit Uitslag <klapinklapin@gmail.com> 102 * 103 * @param string $id the media ID or URL 104 * @return bool 105 */ 106 function media_isexternal($id){ 107 if (preg_match('#^(?:https?|ftp)://#i', $id)) return true; 108 return false; 109 } 110 111 /** 112 * Check if a media item is public (eg, external URL or readable by @ALL) 113 * 114 * @author Andreas Gohr <andi@splitbrain.org> 115 * 116 * @param string $id the media ID or URL 117 * @return bool 118 */ 119 function media_ispublic($id){ 120 if(media_isexternal($id)) return true; 121 $id = cleanID($id); 122 if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true; 123 return false; 124 } 125 126 /** 127 * Display the form to edit image meta data 128 * 129 * @author Andreas Gohr <andi@splitbrain.org> 130 * @author Kate Arzamastseva <pshns@ukr.net> 131 * 132 * @param string $id media id 133 * @param int $auth permission level 134 * @return bool 135 */ 136 function media_metaform($id,$auth){ 137 global $lang; 138 139 if($auth < AUTH_UPLOAD) { 140 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 141 return false; 142 } 143 144 // load the field descriptions 145 static $fields = null; 146 if(is_null($fields)){ 147 $config_files = getConfigFiles('mediameta'); 148 foreach ($config_files as $config_file) { 149 if(file_exists($config_file)) include($config_file); 150 } 151 } 152 153 $src = mediaFN($id); 154 155 // output 156 $form = new Doku_Form(array('action' => media_managerURL(array('tab_details' => 'view'), '&'), 157 'class' => 'meta')); 158 $form->addHidden('img', $id); 159 $form->addHidden('mediado', 'save'); 160 foreach($fields as $key => $field){ 161 // get current value 162 if (empty($field[0])) continue; 163 $tags = array($field[0]); 164 if(is_array($field[3])) $tags = array_merge($tags,$field[3]); 165 $value = tpl_img_getTag($tags,'',$src); 166 $value = cleanText($value); 167 168 // prepare attributes 169 $p = array(); 170 $p['class'] = 'edit'; 171 $p['id'] = 'meta__'.$key; 172 $p['name'] = 'meta['.$field[0].']'; 173 $p_attrs = array('class' => 'edit'); 174 175 $form->addElement('<div class="row">'); 176 if($field[2] == 'text'){ 177 $form->addElement( 178 form_makeField( 179 'text', 180 $p['name'], 181 $value, 182 ($lang[$field[1]]) ? $lang[$field[1]] : $field[1] . ':', 183 $p['id'], 184 $p['class'], 185 $p_attrs 186 ) 187 ); 188 }else{ 189 $att = buildAttributes($p); 190 $form->addElement('<label for="meta__'.$key.'">'.$lang[$field[1]].'</label>'); 191 $form->addElement("<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'); 192 } 193 $form->addElement('</div>'.NL); 194 } 195 $form->addElement('<div class="buttons">'); 196 $form->addElement( 197 form_makeButton( 198 'submit', 199 '', 200 $lang['btn_save'], 201 array('accesskey' => 's', 'name' => 'mediado[save]') 202 ) 203 ); 204 $form->addElement('</div>'.NL); 205 $form->printForm(); 206 207 return true; 208 } 209 210 /** 211 * Convenience function to check if a media file is still in use 212 * 213 * @author Michael Klier <chi@chimeric.de> 214 * 215 * @param string $id media id 216 * @return array|bool 217 */ 218 function media_inuse($id) { 219 global $conf; 220 221 if($conf['refcheck']){ 222 $mediareferences = ft_mediause($id,true); 223 if(!count($mediareferences)) { 224 return false; 225 } else { 226 return $mediareferences; 227 } 228 } else { 229 return false; 230 } 231 } 232 233 /** 234 * Handles media file deletions 235 * 236 * If configured, checks for media references before deletion 237 * 238 * @author Andreas Gohr <andi@splitbrain.org> 239 * 240 * @param string $id media id 241 * @param int $auth no longer used 242 * @return int One of: 0, 243 * DOKU_MEDIA_DELETED, 244 * DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS, 245 * DOKU_MEDIA_NOT_AUTH, 246 * DOKU_MEDIA_INUSE 247 */ 248 function media_delete($id,$auth){ 249 global $lang; 250 $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':')); 251 if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH; 252 if(media_inuse($id)) return DOKU_MEDIA_INUSE; 253 254 $file = mediaFN($id); 255 256 // trigger an event - MEDIA_DELETE_FILE 257 $data = array(); 258 $data['id'] = $id; 259 $data['name'] = \dokuwiki\Utf8\PhpString::basename($file); 260 $data['path'] = $file; 261 $data['size'] = (file_exists($file)) ? filesize($file) : 0; 262 263 $data['unl'] = false; 264 $data['del'] = false; 265 $evt = new Event('MEDIA_DELETE_FILE',$data); 266 if ($evt->advise_before()) { 267 $old = @filemtime($file); 268 if(!file_exists(mediaFN($id, $old)) && file_exists($file)) { 269 // add old revision to the attic 270 media_saveOldRevision($id); 271 } 272 273 $data['unl'] = @unlink($file); 274 if($data['unl']) { 275 $sizechange = 0 - $data['size']; 276 addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange); 277 278 $data['del'] = io_sweepNS($id, 'mediadir'); 279 } 280 } 281 $evt->advise_after(); 282 unset($evt); 283 284 if($data['unl'] && $data['del']){ 285 return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS; 286 } 287 288 return $data['unl'] ? DOKU_MEDIA_DELETED : 0; 289 } 290 291 /** 292 * Handle file uploads via XMLHttpRequest 293 * 294 * @param string $ns target namespace 295 * @param int $auth current auth check result 296 * @return false|string false on error, id of the new file on success 297 */ 298 function media_upload_xhr($ns,$auth){ 299 if(!checkSecurityToken()) return false; 300 global $INPUT; 301 302 $id = $INPUT->get->str('qqfile'); 303 list($ext,$mime) = mimetype($id); 304 $input = fopen("php://input", "r"); 305 if (!($tmp = io_mktmpdir())) return false; 306 $path = $tmp.'/'.md5($id); 307 $target = fopen($path, "w"); 308 $realSize = stream_copy_to_stream($input, $target); 309 fclose($target); 310 fclose($input); 311 if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){ 312 unlink($path); 313 return false; 314 } 315 316 $res = media_save( 317 array('name' => $path, 318 'mime' => $mime, 319 'ext' => $ext), 320 $ns.':'.$id, 321 (($INPUT->get->str('ow') == 'true') ? true : false), 322 $auth, 323 'copy' 324 ); 325 unlink($path); 326 if ($tmp) io_rmdir($tmp, true); 327 if (is_array($res)) { 328 msg($res[0], $res[1]); 329 return false; 330 } 331 return $res; 332 } 333 334 /** 335 * Handles media file uploads 336 * 337 * @author Andreas Gohr <andi@splitbrain.org> 338 * @author Michael Klier <chi@chimeric.de> 339 * 340 * @param string $ns target namespace 341 * @param int $auth current auth check result 342 * @param bool|array $file $_FILES member, $_FILES['upload'] if false 343 * @return false|string false on error, id of the new file on success 344 */ 345 function media_upload($ns,$auth,$file=false){ 346 if(!checkSecurityToken()) return false; 347 global $lang; 348 global $INPUT; 349 350 // get file and id 351 $id = $INPUT->post->str('mediaid'); 352 if (!$file) $file = $_FILES['upload']; 353 if(empty($id)) $id = $file['name']; 354 355 // check for errors (messages are done in lib/exe/mediamanager.php) 356 if($file['error']) return false; 357 358 // check extensions 359 list($fext,$fmime) = mimetype($file['name']); 360 list($iext,$imime) = mimetype($id); 361 if($fext && !$iext){ 362 // no extension specified in id - read original one 363 $id .= '.'.$fext; 364 $imime = $fmime; 365 }elseif($fext && $fext != $iext){ 366 // extension was changed, print warning 367 msg(sprintf($lang['mediaextchange'],$fext,$iext)); 368 } 369 370 $res = media_save(array('name' => $file['tmp_name'], 371 'mime' => $imime, 372 'ext' => $iext), $ns.':'.$id, 373 $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file'); 374 if (is_array($res)) { 375 msg($res[0], $res[1]); 376 return false; 377 } 378 return $res; 379 } 380 381 /** 382 * An alternative to move_uploaded_file that copies 383 * 384 * Using copy, makes sure any setgid bits on the media directory are honored 385 * 386 * @see move_uploaded_file() 387 * 388 * @param string $from 389 * @param string $to 390 * @return bool 391 */ 392 function copy_uploaded_file($from, $to){ 393 if(!is_uploaded_file($from)) return false; 394 $ok = copy($from, $to); 395 @unlink($from); 396 return $ok; 397 } 398 399 /** 400 * This generates an action event and delegates to _media_upload_action(). 401 * Action plugins are allowed to pre/postprocess the uploaded file. 402 * (The triggered event is preventable.) 403 * 404 * Event data: 405 * $data[0] fn_tmp: the temporary file name (read from $_FILES) 406 * $data[1] fn: the file name of the uploaded file 407 * $data[2] id: the future directory id of the uploaded file 408 * $data[3] imime: the mimetype of the uploaded file 409 * $data[4] overwrite: if an existing file is going to be overwritten 410 * $data[5] move: name of function that performs move/copy/.. 411 * 412 * @triggers MEDIA_UPLOAD_FINISH 413 * 414 * @param array $file 415 * @param string $id media id 416 * @param bool $ow overwrite? 417 * @param int $auth permission level 418 * @param string $move name of functions that performs move/copy/.. 419 * @return false|array|string 420 */ 421 function media_save($file, $id, $ow, $auth, $move) { 422 if($auth < AUTH_UPLOAD) { 423 return array("You don't have permissions to upload files.", -1); 424 } 425 426 if (!isset($file['mime']) || !isset($file['ext'])) { 427 list($ext, $mime) = mimetype($id); 428 if (!isset($file['mime'])) { 429 $file['mime'] = $mime; 430 } 431 if (!isset($file['ext'])) { 432 $file['ext'] = $ext; 433 } 434 } 435 436 global $lang, $conf; 437 438 // get filename 439 $id = cleanID($id); 440 $fn = mediaFN($id); 441 442 // get filetype regexp 443 $types = array_keys(getMimeTypes()); 444 $types = array_map( 445 function ($q) { 446 return preg_quote($q, "/"); 447 }, 448 $types 449 ); 450 $regex = join('|',$types); 451 452 // because a temp file was created already 453 if(!preg_match('/\.('.$regex.')$/i',$fn)) { 454 return array($lang['uploadwrong'],-1); 455 } 456 457 //check for overwrite 458 $overwrite = file_exists($fn); 459 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 460 if($overwrite && (!$ow || $auth < $auth_ow)) { 461 return array($lang['uploadexist'], 0); 462 } 463 // check for valid content 464 $ok = media_contentcheck($file['name'], $file['mime']); 465 if($ok == -1){ 466 return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1); 467 }elseif($ok == -2){ 468 return array($lang['uploadspam'],-1); 469 }elseif($ok == -3){ 470 return array($lang['uploadxss'],-1); 471 } 472 473 // prepare event data 474 $data = array(); 475 $data[0] = $file['name']; 476 $data[1] = $fn; 477 $data[2] = $id; 478 $data[3] = $file['mime']; 479 $data[4] = $overwrite; 480 $data[5] = $move; 481 482 // trigger event 483 return Event::createAndTrigger('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true); 484 } 485 486 /** 487 * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH 488 * 489 * @author Michael Klier <chi@chimeric.de> 490 * 491 * @param array $data event data 492 * @return false|array|string 493 */ 494 function _media_upload_action($data) { 495 // fixme do further sanity tests of given data? 496 if(is_array($data) && count($data)===6) { 497 return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 498 } else { 499 return false; //callback error 500 } 501 } 502 503 /** 504 * Saves an uploaded media file 505 * 506 * @author Andreas Gohr <andi@splitbrain.org> 507 * @author Michael Klier <chi@chimeric.de> 508 * @author Kate Arzamastseva <pshns@ukr.net> 509 * 510 * @param string $fn_tmp 511 * @param string $fn 512 * @param string $id media id 513 * @param string $imime mime type 514 * @param bool $overwrite overwrite existing? 515 * @param string $move function name 516 * @return array|string 517 */ 518 function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') { 519 global $conf; 520 global $lang; 521 global $REV; 522 523 $old = @filemtime($fn); 524 if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) { 525 // add old revision to the attic if missing 526 media_saveOldRevision($id); 527 } 528 529 // prepare directory 530 io_createNamespace($id, 'media'); 531 532 $filesize_old = file_exists($fn) ? filesize($fn) : 0; 533 534 if($move($fn_tmp, $fn)) { 535 @clearstatcache(true,$fn); 536 $new = @filemtime($fn); 537 // Set the correct permission here. 538 // Always chmod media because they may be saved with different permissions than expected from the php umask. 539 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 540 chmod($fn, $conf['fmode']); 541 msg($lang['uploadsucc'],1); 542 media_notify($id,$fn,$imime,$old,$new); 543 // add a log entry to the media changelog 544 $filesize_new = filesize($fn); 545 $sizechange = $filesize_new - $filesize_old; 546 if($REV) { 547 addMediaLogEntry( 548 $new, 549 $id, 550 DOKU_CHANGE_TYPE_REVERT, 551 sprintf($lang['restored'], dformat($REV)), 552 $REV, 553 null, 554 $sizechange 555 ); 556 } elseif($overwrite) { 557 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 558 } else { 559 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 560 } 561 return $id; 562 }else{ 563 return array($lang['uploadfail'],-1); 564 } 565 } 566 567 /** 568 * Moves the current version of media file to the media_attic 569 * directory 570 * 571 * @author Kate Arzamastseva <pshns@ukr.net> 572 * 573 * @param string $id 574 * @return int - revision date 575 */ 576 function media_saveOldRevision($id){ 577 global $conf, $lang; 578 579 $oldf = mediaFN($id); 580 if(!file_exists($oldf)) return ''; 581 $date = filemtime($oldf); 582 if (!$conf['mediarevisions']) return $date; 583 584 $medialog = new MediaChangeLog($id); 585 if (!$medialog->getRevisionInfo($date)) { 586 // there was an external edit, 587 // there is no log entry for current version of file 588 $sizechange = filesize($oldf); 589 if(!file_exists(mediaMetaFN($id, '.changes'))) { 590 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 591 } else { 592 $oldRev = $medialog->getRevisions(-1, 1); // from changelog 593 $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); 594 $filesize_old = filesize(mediaFN($id, $oldRev)); 595 $sizechange = $sizechange - $filesize_old; 596 597 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 598 } 599 } 600 601 $newf = mediaFN($id,$date); 602 io_makeFileDir($newf); 603 if(copy($oldf, $newf)) { 604 // Set the correct permission here. 605 // Always chmod media because they may be saved with different permissions than expected from the php umask. 606 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 607 chmod($newf, $conf['fmode']); 608 } 609 return $date; 610 } 611 612 /** 613 * This function checks if the uploaded content is really what the 614 * mimetype says it is. We also do spam checking for text types here. 615 * 616 * We need to do this stuff because we can not rely on the browser 617 * to do this check correctly. Yes, IE is broken as usual. 618 * 619 * @author Andreas Gohr <andi@splitbrain.org> 620 * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting 621 * @fixme check all 26 magic IE filetypes here? 622 * 623 * @param string $file path to file 624 * @param string $mime mimetype 625 * @return int 626 */ 627 function media_contentcheck($file,$mime){ 628 global $conf; 629 if($conf['iexssprotect']){ 630 $fh = @fopen($file, 'rb'); 631 if($fh){ 632 $bytes = fread($fh, 256); 633 fclose($fh); 634 if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){ 635 return -3; //XSS: possibly malicious content 636 } 637 } 638 } 639 if(substr($mime,0,6) == 'image/'){ 640 $info = @getimagesize($file); 641 if($mime == 'image/gif' && $info[2] != 1){ 642 return -1; // uploaded content did not match the file extension 643 }elseif($mime == 'image/jpeg' && $info[2] != 2){ 644 return -1; 645 }elseif($mime == 'image/png' && $info[2] != 3){ 646 return -1; 647 } 648 # fixme maybe check other images types as well 649 }elseif(substr($mime,0,5) == 'text/'){ 650 global $TEXT; 651 $TEXT = io_readFile($file); 652 if(checkwordblock()){ 653 return -2; //blocked by the spam blacklist 654 } 655 } 656 return 0; 657 } 658 659 /** 660 * Send a notify mail on uploads 661 * 662 * @author Andreas Gohr <andi@splitbrain.org> 663 * 664 * @param string $id media id 665 * @param string $file path to file 666 * @param string $mime mime type 667 * @param bool|int $old_rev revision timestamp or false 668 * @return bool 669 */ 670 function media_notify($id,$file,$mime,$old_rev=false,$current_rev=false){ 671 global $conf; 672 if(empty($conf['notify'])) return false; //notify enabled? 673 674 $subscription = new MediaSubscriptionSender(); 675 return $subscription->sendMediaDiff($conf['notify'], 'uploadmail', $id, $old_rev, $current_rev); 676 } 677 678 /** 679 * List all files in a given Media namespace 680 * 681 * @param string $ns namespace 682 * @param null|int $auth permission level 683 * @param string $jump id 684 * @param bool $fullscreenview 685 * @param bool|string $sort sorting order, false skips sorting 686 */ 687 function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){ 688 global $conf; 689 global $lang; 690 $ns = cleanID($ns); 691 692 // check auth our self if not given (needed for ajax calls) 693 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 694 695 if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL; 696 697 if($auth < AUTH_READ){ 698 // FIXME: print permission warning here instead? 699 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 700 }else{ 701 if (!$fullscreenview) { 702 media_uploadform($ns, $auth); 703 media_searchform($ns); 704 } 705 706 $dir = utf8_encodeFN(str_replace(':','/',$ns)); 707 $data = array(); 708 search($data,$conf['mediadir'],'search_media', 709 array('showmsg'=>true,'depth'=>1),$dir,1,$sort); 710 711 if(!count($data)){ 712 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 713 }else { 714 if ($fullscreenview) { 715 echo '<ul class="' . _media_get_list_type() . '">'; 716 } 717 foreach($data as $item){ 718 if (!$fullscreenview) { 719 media_printfile($item,$auth,$jump); 720 } else { 721 media_printfile_thumbs($item,$auth,$jump); 722 } 723 } 724 if ($fullscreenview) echo '</ul>'.NL; 725 } 726 } 727 } 728 729 /** 730 * Prints tabs for files list actions 731 * 732 * @author Kate Arzamastseva <pshns@ukr.net> 733 * @author Adrian Lang <mail@adrianlang.de> 734 * 735 * @param string $selected_tab - opened tab 736 */ 737 738 function media_tabs_files($selected_tab = ''){ 739 global $lang; 740 $tabs = array(); 741 foreach(array('files' => 'mediaselect', 742 'upload' => 'media_uploadtab', 743 'search' => 'media_searchtab') as $tab => $caption) { 744 $tabs[$tab] = array('href' => media_managerURL(array('tab_files' => $tab), '&'), 745 'caption' => $lang[$caption]); 746 } 747 748 html_tabs($tabs, $selected_tab); 749 } 750 751 /** 752 * Prints tabs for files details actions 753 * 754 * @author Kate Arzamastseva <pshns@ukr.net> 755 * @param string $image filename of the current image 756 * @param string $selected_tab opened tab 757 */ 758 function media_tabs_details($image, $selected_tab = ''){ 759 global $lang, $conf; 760 761 $tabs = array(); 762 $tabs['view'] = array('href' => media_managerURL(array('tab_details' => 'view'), '&'), 763 'caption' => $lang['media_viewtab']); 764 765 list(, $mime) = mimetype($image); 766 if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) { 767 $tabs['edit'] = array('href' => media_managerURL(array('tab_details' => 'edit'), '&'), 768 'caption' => $lang['media_edittab']); 769 } 770 if ($conf['mediarevisions']) { 771 $tabs['history'] = array('href' => media_managerURL(array('tab_details' => 'history'), '&'), 772 'caption' => $lang['media_historytab']); 773 } 774 775 html_tabs($tabs, $selected_tab); 776 } 777 778 /** 779 * Prints options for the tab that displays a list of all files 780 * 781 * @author Kate Arzamastseva <pshns@ukr.net> 782 */ 783 function media_tab_files_options(){ 784 global $lang; 785 global $INPUT; 786 global $ID; 787 $form = new Doku_Form(array('class' => 'options', 'method' => 'get', 788 'action' => wl($ID))); 789 $media_manager_params = media_managerURL(array(), '', false, true); 790 foreach($media_manager_params as $pKey => $pVal){ 791 $form->addHidden($pKey, $pVal); 792 } 793 $form->addHidden('sectok', null); 794 if ($INPUT->has('q')) { 795 $form->addHidden('q', $INPUT->str('q')); 796 } 797 $form->addElement('<ul>'.NL); 798 foreach(array('list' => array('listType', array('thumbs', 'rows')), 799 'sort' => array('sortBy', array('name', 'date'))) 800 as $group => $content) { 801 $checked = "_media_get_$group}_type"; 802 $checked = $checked(); 803 804 $form->addElement('<li class="' . $content[0] . '">'); 805 foreach($content[1] as $option) { 806 $attrs = array(); 807 if ($checked == $option) { 808 $attrs['checked'] = 'checked'; 809 } 810 $form->addElement(form_makeRadioField($group . '_dwmedia', $option, 811 $lang['media_' . $group . '_' . $option], 812 $content[0] . '__' . $option, 813 $option, $attrs)); 814 } 815 $form->addElement('</li>'.NL); 816 } 817 $form->addElement('<li>'); 818 $form->addElement(form_makeButton('submit', '', $lang['btn_apply'])); 819 $form->addElement('</li>'.NL); 820 $form->addElement('</ul>'.NL); 821 $form->printForm(); 822 } 823 824 /** 825 * Returns type of sorting for the list of files in media manager 826 * 827 * @author Kate Arzamastseva <pshns@ukr.net> 828 * 829 * @return string - sort type 830 */ 831 function _media_get_sort_type() { 832 return _media_get_display_param('sort', array('default' => 'name', 'date')); 833 } 834 835 /** 836 * Returns type of listing for the list of files in media manager 837 * 838 * @author Kate Arzamastseva <pshns@ukr.net> 839 * 840 * @return string - list type 841 */ 842 function _media_get_list_type() { 843 return _media_get_display_param('list', array('default' => 'thumbs', 'rows')); 844 } 845 846 /** 847 * Get display parameters 848 * 849 * @param string $param name of parameter 850 * @param array $values allowed values, where default value has index key 'default' 851 * @return string the parameter value 852 */ 853 function _media_get_display_param($param, $values) { 854 global $INPUT; 855 if (in_array($INPUT->str($param), $values)) { 856 // FIXME: Set cookie 857 return $INPUT->str($param); 858 } else { 859 $val = get_doku_pref($param, $values['default']); 860 if (!in_array($val, $values)) { 861 $val = $values['default']; 862 } 863 return $val; 864 } 865 } 866 867 /** 868 * Prints tab that displays a list of all files 869 * 870 * @author Kate Arzamastseva <pshns@ukr.net> 871 * 872 * @param string $ns 873 * @param null|int $auth permission level 874 * @param string $jump item id 875 */ 876 function media_tab_files($ns,$auth=null,$jump='') { 877 global $lang; 878 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 879 880 if($auth < AUTH_READ){ 881 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 882 }else{ 883 media_filelist($ns,$auth,$jump,true,_media_get_sort_type()); 884 } 885 } 886 887 /** 888 * Prints tab that displays uploading form 889 * 890 * @author Kate Arzamastseva <pshns@ukr.net> 891 * 892 * @param string $ns 893 * @param null|int $auth permission level 894 * @param string $jump item id 895 */ 896 function media_tab_upload($ns,$auth=null,$jump='') { 897 global $lang; 898 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 899 900 echo '<div class="upload">'.NL; 901 if ($auth >= AUTH_UPLOAD) { 902 echo '<p>' . $lang['mediaupload'] . '</p>'; 903 } 904 media_uploadform($ns, $auth, true); 905 echo '</div>'.NL; 906 } 907 908 /** 909 * Prints tab that displays search form 910 * 911 * @author Kate Arzamastseva <pshns@ukr.net> 912 * 913 * @param string $ns 914 * @param null|int $auth permission level 915 */ 916 function media_tab_search($ns,$auth=null) { 917 global $INPUT; 918 919 $do = $INPUT->str('mediado'); 920 $query = $INPUT->str('q'); 921 echo '<div class="search">'.NL; 922 923 media_searchform($ns, $query, true); 924 if ($do == 'searchlist' || $query) { 925 media_searchlist($query,$ns,$auth,true,_media_get_sort_type()); 926 } 927 echo '</div>'.NL; 928 } 929 930 /** 931 * Prints tab that displays mediafile details 932 * 933 * @author Kate Arzamastseva <pshns@ukr.net> 934 * 935 * @param string $image media id 936 * @param string $ns 937 * @param null|int $auth permission level 938 * @param string|int $rev revision timestamp or empty string 939 */ 940 function media_tab_view($image, $ns, $auth=null, $rev='') { 941 global $lang; 942 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 943 944 if ($image && $auth >= AUTH_READ) { 945 $meta = new JpegMeta(mediaFN($image, $rev)); 946 media_preview($image, $auth, $rev, $meta); 947 media_preview_buttons($image, $auth, $rev); 948 media_details($image, $auth, $rev, $meta); 949 950 } else { 951 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 952 } 953 } 954 955 /** 956 * Prints tab that displays form for editing mediafile metadata 957 * 958 * @author Kate Arzamastseva <pshns@ukr.net> 959 * 960 * @param string $image media id 961 * @param string $ns 962 * @param null|int $auth permission level 963 */ 964 function media_tab_edit($image, $ns, $auth=null) { 965 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 966 967 if ($image) { 968 list(, $mime) = mimetype($image); 969 if ($mime == 'image/jpeg') media_metaform($image,$auth); 970 } 971 } 972 973 /** 974 * Prints tab that displays mediafile revisions 975 * 976 * @author Kate Arzamastseva <pshns@ukr.net> 977 * 978 * @param string $image media id 979 * @param string $ns 980 * @param null|int $auth permission level 981 */ 982 function media_tab_history($image, $ns, $auth=null) { 983 global $lang; 984 global $INPUT; 985 986 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 987 $do = $INPUT->str('mediado'); 988 989 if ($auth >= AUTH_READ && $image) { 990 if ($do == 'diff'){ 991 media_diff($image, $ns, $auth); 992 } else { 993 $first = $INPUT->int('first'); 994 html_revisions($first, $image); 995 } 996 } else { 997 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 998 } 999 } 1000 1001 /** 1002 * Prints mediafile details 1003 * 1004 * @param string $image media id 1005 * @param int $auth permission level 1006 * @param int|string $rev revision timestamp or empty string 1007 * @param JpegMeta|bool $meta 1008 * 1009 * @author Kate Arzamastseva <pshns@ukr.net> 1010 */ 1011 function media_preview($image, $auth, $rev='', $meta=false) { 1012 1013 $size = media_image_preview_size($image, $rev, $meta); 1014 1015 if ($size) { 1016 global $lang; 1017 echo '<div class="image">'; 1018 1019 $more = array(); 1020 if ($rev) { 1021 $more['rev'] = $rev; 1022 } else { 1023 $t = @filemtime(mediaFN($image)); 1024 $more['t'] = $t; 1025 } 1026 1027 $more['w'] = $size[0]; 1028 $more['h'] = $size[1]; 1029 $src = ml($image, $more); 1030 1031 echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">'; 1032 echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />'; 1033 echo '</a>'; 1034 1035 echo '</div>'.NL; 1036 } 1037 } 1038 1039 /** 1040 * Prints mediafile action buttons 1041 * 1042 * @author Kate Arzamastseva <pshns@ukr.net> 1043 * 1044 * @param string $image media id 1045 * @param int $auth permission level 1046 * @param string|int $rev revision timestamp, or empty string 1047 */ 1048 function media_preview_buttons($image, $auth, $rev='') { 1049 global $lang, $conf; 1050 1051 echo '<ul class="actions">'.NL; 1052 1053 if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){ 1054 1055 // delete button 1056 $form = new Doku_Form(array('id' => 'mediamanager__btn_delete', 1057 'action'=>media_managerURL(array('delete' => $image), '&'))); 1058 $form->addElement(form_makeButton('submit','',$lang['btn_delete'])); 1059 echo '<li>'; 1060 $form->printForm(); 1061 echo '</li>'.NL; 1062 } 1063 1064 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1065 if($auth >= $auth_ow && !$rev){ 1066 1067 // upload new version button 1068 $form = new Doku_Form(array('id' => 'mediamanager__btn_update', 1069 'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&'))); 1070 $form->addElement(form_makeButton('submit','',$lang['media_update'])); 1071 echo '<li>'; 1072 $form->printForm(); 1073 echo '</li>'.NL; 1074 } 1075 1076 if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){ 1077 1078 // restore button 1079 $form = new Doku_Form(array('id' => 'mediamanager__btn_restore', 1080 'action'=>media_managerURL(array('image' => $image), '&'))); 1081 $form->addHidden('mediado','restore'); 1082 $form->addHidden('rev',$rev); 1083 $form->addElement(form_makeButton('submit','',$lang['media_restore'])); 1084 echo '<li>'; 1085 $form->printForm(); 1086 echo '</li>'.NL; 1087 } 1088 1089 echo '</ul>'.NL; 1090 } 1091 1092 /** 1093 * Returns image width and height for mediamanager preview panel 1094 * 1095 * @author Kate Arzamastseva <pshns@ukr.net> 1096 * @param string $image 1097 * @param int|string $rev 1098 * @param JpegMeta|bool $meta 1099 * @param int $size 1100 * @return array|false 1101 */ 1102 function media_image_preview_size($image, $rev, $meta, $size = 500) { 1103 if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false; 1104 1105 $info = getimagesize(mediaFN($image, $rev)); 1106 $w = (int) $info[0]; 1107 $h = (int) $info[1]; 1108 1109 if($meta && ($w > $size || $h > $size)){ 1110 $ratio = $meta->getResizeRatio($size, $size); 1111 $w = floor($w * $ratio); 1112 $h = floor($h * $ratio); 1113 } 1114 return array($w, $h); 1115 } 1116 1117 /** 1118 * Returns the requested EXIF/IPTC tag from the image meta 1119 * 1120 * @author Kate Arzamastseva <pshns@ukr.net> 1121 * 1122 * @param array $tags array with tags, first existing is returned 1123 * @param JpegMeta $meta 1124 * @param string $alt alternative value 1125 * @return string 1126 */ 1127 function media_getTag($tags,$meta,$alt=''){ 1128 if($meta === false) return $alt; 1129 $info = $meta->getField($tags); 1130 if($info == false) return $alt; 1131 return $info; 1132 } 1133 1134 /** 1135 * Returns mediafile tags 1136 * 1137 * @author Kate Arzamastseva <pshns@ukr.net> 1138 * 1139 * @param JpegMeta $meta 1140 * @return array list of tags of the mediafile 1141 */ 1142 function media_file_tags($meta) { 1143 // load the field descriptions 1144 static $fields = null; 1145 if(is_null($fields)){ 1146 $config_files = getConfigFiles('mediameta'); 1147 foreach ($config_files as $config_file) { 1148 if(file_exists($config_file)) include($config_file); 1149 } 1150 } 1151 1152 $tags = array(); 1153 1154 foreach($fields as $key => $tag){ 1155 $t = array(); 1156 if (!empty($tag[0])) $t = array($tag[0]); 1157 if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]); 1158 $value = media_getTag($t, $meta); 1159 $tags[] = array('tag' => $tag, 'value' => $value); 1160 } 1161 1162 return $tags; 1163 } 1164 1165 /** 1166 * Prints mediafile tags 1167 * 1168 * @author Kate Arzamastseva <pshns@ukr.net> 1169 * 1170 * @param string $image image id 1171 * @param int $auth permission level 1172 * @param string|int $rev revision timestamp, or empty string 1173 * @param bool|JpegMeta $meta image object, or create one if false 1174 */ 1175 function media_details($image, $auth, $rev='', $meta=false) { 1176 global $lang; 1177 1178 if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev)); 1179 $tags = media_file_tags($meta); 1180 1181 echo '<dl>'.NL; 1182 foreach($tags as $tag){ 1183 if ($tag['value']) { 1184 $value = cleanText($tag['value']); 1185 echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>'; 1186 if ($tag['tag'][2] == 'date') echo dformat($value); 1187 else echo hsc($value); 1188 echo '</dd>'.NL; 1189 } 1190 } 1191 echo '</dl>'.NL; 1192 echo '<dl>'.NL; 1193 echo '<dt>'.$lang['reference'].':</dt>'; 1194 $media_usage = ft_mediause($image,true); 1195 if(count($media_usage) > 0){ 1196 foreach($media_usage as $path){ 1197 echo '<dd>'.html_wikilink($path).'</dd>'; 1198 } 1199 }else{ 1200 echo '<dd>'.$lang['nothingfound'].'</dd>'; 1201 } 1202 echo '</dl>'.NL; 1203 1204 } 1205 1206 /** 1207 * Shows difference between two revisions of file 1208 * 1209 * @author Kate Arzamastseva <pshns@ukr.net> 1210 * 1211 * @param string $image image id 1212 * @param string $ns 1213 * @param int $auth permission level 1214 * @param bool $fromajax 1215 * @return false|null|string 1216 */ 1217 function media_diff($image, $ns, $auth, $fromajax = false) { 1218 global $conf; 1219 global $INPUT; 1220 1221 if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return ''; 1222 1223 $rev1 = $INPUT->int('rev'); 1224 1225 $rev2 = $INPUT->ref('rev2'); 1226 if(is_array($rev2)){ 1227 $rev1 = (int) $rev2[0]; 1228 $rev2 = (int) $rev2[1]; 1229 1230 if(!$rev1){ 1231 $rev1 = $rev2; 1232 unset($rev2); 1233 } 1234 }else{ 1235 $rev2 = $INPUT->int('rev2'); 1236 } 1237 1238 if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false; 1239 if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false; 1240 1241 if($rev1 && $rev2){ // two specific revisions wanted 1242 // make sure order is correct (older on the left) 1243 if($rev1 < $rev2){ 1244 $l_rev = $rev1; 1245 $r_rev = $rev2; 1246 }else{ 1247 $l_rev = $rev2; 1248 $r_rev = $rev1; 1249 } 1250 }elseif($rev1){ // single revision given, compare to current 1251 $r_rev = ''; 1252 $l_rev = $rev1; 1253 }else{ // no revision was given, compare previous to current 1254 $r_rev = ''; 1255 $medialog = new MediaChangeLog($image); 1256 $revs = $medialog->getRevisions(0, 1); 1257 if (file_exists(mediaFN($image, $revs[0]))) { 1258 $l_rev = $revs[0]; 1259 } else { 1260 $l_rev = ''; 1261 } 1262 } 1263 1264 // prepare event data 1265 $data = array(); 1266 $data[0] = $image; 1267 $data[1] = $l_rev; 1268 $data[2] = $r_rev; 1269 $data[3] = $ns; 1270 $data[4] = $auth; 1271 $data[5] = $fromajax; 1272 1273 // trigger event 1274 return Event::createAndTrigger('MEDIA_DIFF', $data, '_media_file_diff', true); 1275 } 1276 1277 /** 1278 * Callback for media file diff 1279 * 1280 * @param array $data event data 1281 * @return false|null 1282 */ 1283 function _media_file_diff($data) { 1284 if(is_array($data) && count($data)===6) { 1285 media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 1286 } else { 1287 return false; 1288 } 1289 } 1290 1291 /** 1292 * Shows difference between two revisions of image 1293 * 1294 * @author Kate Arzamastseva <pshns@ukr.net> 1295 * 1296 * @param string $image 1297 * @param string|int $l_rev revision timestamp, or empty string 1298 * @param string|int $r_rev revision timestamp, or empty string 1299 * @param string $ns 1300 * @param int $auth permission level 1301 * @param bool $fromajax 1302 */ 1303 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){ 1304 global $lang; 1305 global $INPUT; 1306 1307 $l_meta = new JpegMeta(mediaFN($image, $l_rev)); 1308 $r_meta = new JpegMeta(mediaFN($image, $r_rev)); 1309 1310 $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image); 1311 if ($is_img) { 1312 $l_size = media_image_preview_size($image, $l_rev, $l_meta); 1313 $r_size = media_image_preview_size($image, $r_rev, $r_meta); 1314 $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30)); 1315 1316 $difftype = $INPUT->str('difftype'); 1317 1318 if (!$fromajax) { 1319 $form = new Doku_Form(array( 1320 'action' => media_managerURL(array(), '&'), 1321 'method' => 'get', 1322 'id' => 'mediamanager__form_diffview', 1323 'class' => 'diffView' 1324 )); 1325 $form->addHidden('sectok', null); 1326 $form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>'); 1327 $form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>'); 1328 $form->addHidden('mediado', 'diff'); 1329 $form->printForm(); 1330 1331 echo NL.'<div id="mediamanager__diff" >'.NL; 1332 } 1333 1334 if ($difftype == 'opacity' || $difftype == 'portions') { 1335 media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype); 1336 if (!$fromajax) echo '</div>'; 1337 return; 1338 } 1339 } 1340 1341 list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true); 1342 1343 ?> 1344 <div class="table"> 1345 <table> 1346 <tr> 1347 <th><?php echo $l_head; ?></th> 1348 <th><?php echo $r_head; ?></th> 1349 </tr> 1350 <?php 1351 1352 echo '<tr class="image">'; 1353 echo '<td>'; 1354 media_preview($image, $auth, $l_rev, $l_meta); 1355 echo '</td>'; 1356 1357 echo '<td>'; 1358 media_preview($image, $auth, $r_rev, $r_meta); 1359 echo '</td>'; 1360 echo '</tr>'.NL; 1361 1362 echo '<tr class="actions">'; 1363 echo '<td>'; 1364 media_preview_buttons($image, $auth, $l_rev); 1365 echo '</td>'; 1366 1367 echo '<td>'; 1368 media_preview_buttons($image, $auth, $r_rev); 1369 echo '</td>'; 1370 echo '</tr>'.NL; 1371 1372 $l_tags = media_file_tags($l_meta); 1373 $r_tags = media_file_tags($r_meta); 1374 // FIXME r_tags-only stuff 1375 foreach ($l_tags as $key => $l_tag) { 1376 if ($l_tag['value'] != $r_tags[$key]['value']) { 1377 $r_tags[$key]['highlighted'] = true; 1378 $l_tags[$key]['highlighted'] = true; 1379 } else if (!$l_tag['value'] || !$r_tags[$key]['value']) { 1380 unset($r_tags[$key]); 1381 unset($l_tags[$key]); 1382 } 1383 } 1384 1385 echo '<tr>'; 1386 foreach(array($l_tags,$r_tags) as $tags){ 1387 echo '<td>'.NL; 1388 1389 echo '<dl class="img_tags">'; 1390 foreach($tags as $tag){ 1391 $value = cleanText($tag['value']); 1392 if (!$value) $value = '-'; 1393 echo '<dt>'.$lang[$tag['tag'][1]].'</dt>'; 1394 echo '<dd>'; 1395 if ($tag['highlighted']) { 1396 echo '<strong>'; 1397 } 1398 if ($tag['tag'][2] == 'date') echo dformat($value); 1399 else echo hsc($value); 1400 if ($tag['highlighted']) { 1401 echo '</strong>'; 1402 } 1403 echo '</dd>'; 1404 } 1405 echo '</dl>'.NL; 1406 1407 echo '</td>'; 1408 } 1409 echo '</tr>'.NL; 1410 1411 echo '</table>'.NL; 1412 echo '</div>'.NL; 1413 1414 if ($is_img && !$fromajax) echo '</div>'; 1415 } 1416 1417 /** 1418 * Prints two images side by side 1419 * and slider 1420 * 1421 * @author Kate Arzamastseva <pshns@ukr.net> 1422 * 1423 * @param string $image image id 1424 * @param int $l_rev revision timestamp, or empty string 1425 * @param int $r_rev revision timestamp, or empty string 1426 * @param array $l_size array with width and height 1427 * @param array $r_size array with width and height 1428 * @param string $type 1429 */ 1430 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) { 1431 if ($l_size != $r_size) { 1432 if ($r_size[0] > $l_size[0]) { 1433 $l_size = $r_size; 1434 } 1435 } 1436 1437 $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1438 $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1439 1440 $l_src = ml($image, $l_more); 1441 $r_src = ml($image, $r_more); 1442 1443 // slider 1444 echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL; 1445 1446 // two images in divs 1447 echo '<div class="imageDiff ' . $type . '">'.NL; 1448 echo '<div class="image1" style="max-width: '.$l_size[0].'px;">'; 1449 echo '<img src="'.$l_src.'" alt="" />'; 1450 echo '</div>'.NL; 1451 echo '<div class="image2" style="max-width: '.$l_size[0].'px;">'; 1452 echo '<img src="'.$r_src.'" alt="" />'; 1453 echo '</div>'.NL; 1454 echo '</div>'.NL; 1455 } 1456 1457 /** 1458 * Restores an old revision of a media file 1459 * 1460 * @param string $image media id 1461 * @param int $rev revision timestamp or empty string 1462 * @param int $auth 1463 * @return string - file's id 1464 * 1465 * @author Kate Arzamastseva <pshns@ukr.net> 1466 */ 1467 function media_restore($image, $rev, $auth){ 1468 global $conf; 1469 if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false; 1470 $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes'))); 1471 if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false; 1472 if (!$rev || !file_exists(mediaFN($image, $rev))) return false; 1473 list(,$imime,) = mimetype($image); 1474 $res = media_upload_finish(mediaFN($image, $rev), 1475 mediaFN($image), 1476 $image, 1477 $imime, 1478 true, 1479 'copy'); 1480 if (is_array($res)) { 1481 msg($res[0], $res[1]); 1482 return false; 1483 } 1484 return $res; 1485 } 1486 1487 /** 1488 * List all files found by the search request 1489 * 1490 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1491 * @author Andreas Gohr <gohr@cosmocode.de> 1492 * @author Kate Arzamastseva <pshns@ukr.net> 1493 * @triggers MEDIA_SEARCH 1494 * 1495 * @param string $query 1496 * @param string $ns 1497 * @param null|int $auth 1498 * @param bool $fullscreen 1499 * @param string $sort 1500 */ 1501 function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){ 1502 global $conf; 1503 global $lang; 1504 1505 $ns = cleanID($ns); 1506 $evdata = array( 1507 'ns' => $ns, 1508 'data' => array(), 1509 'query' => $query 1510 ); 1511 if (!blank($query)) { 1512 $evt = new Event('MEDIA_SEARCH', $evdata); 1513 if ($evt->advise_before()) { 1514 $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns'])); 1515 $quoted = preg_quote($evdata['query'],'/'); 1516 //apply globbing 1517 $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count); 1518 1519 //if we use globbing file name must match entirely but may be preceded by arbitrary namespace 1520 if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$'; 1521 1522 $pattern = '/'.$quoted.'/i'; 1523 search($evdata['data'], 1524 $conf['mediadir'], 1525 'search_media', 1526 array('showmsg'=>false,'pattern'=>$pattern), 1527 $dir, 1528 1, 1529 $sort); 1530 } 1531 $evt->advise_after(); 1532 unset($evt); 1533 } 1534 1535 if (!$fullscreen) { 1536 echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL; 1537 media_searchform($ns,$query); 1538 } 1539 1540 if(!count($evdata['data'])){ 1541 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 1542 }else { 1543 if ($fullscreen) { 1544 echo '<ul class="' . _media_get_list_type() . '">'; 1545 } 1546 foreach($evdata['data'] as $item){ 1547 if (!$fullscreen) media_printfile($item,$item['perm'],'',true); 1548 else media_printfile_thumbs($item,$item['perm'],false,true); 1549 } 1550 if ($fullscreen) echo '</ul>'.NL; 1551 } 1552 } 1553 1554 /** 1555 * Formats and prints one file in the list 1556 * 1557 * @param array $item 1558 * @param int $auth permission level 1559 * @param string $jump item id 1560 * @param bool $display_namespace 1561 */ 1562 function media_printfile($item,$auth,$jump,$display_namespace=false){ 1563 global $lang; 1564 1565 // Prepare zebra coloring 1566 // I always wanted to use this variable name :-D 1567 static $twibble = 1; 1568 $twibble *= -1; 1569 $zebra = ($twibble == -1) ? 'odd' : 'even'; 1570 1571 // Automatically jump to recent action 1572 if($jump == $item['id']) { 1573 $jump = ' id="scroll__here" '; 1574 }else{ 1575 $jump = ''; 1576 } 1577 1578 // Prepare fileicons 1579 list($ext) = mimetype($item['file'],false); 1580 $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext); 1581 $class = 'select mediafile mf_'.$class; 1582 1583 // Prepare filename 1584 $file = utf8_decodeFN($item['file']); 1585 1586 // Prepare info 1587 $info = ''; 1588 if($item['isimg']){ 1589 $info .= (int) $item['meta']->getField('File.Width'); 1590 $info .= '×'; 1591 $info .= (int) $item['meta']->getField('File.Height'); 1592 $info .= ' '; 1593 } 1594 $info .= '<i>'.dformat($item['mtime']).'</i>'; 1595 $info .= ' '; 1596 $info .= filesize_h($item['size']); 1597 1598 // output 1599 echo '<div class="'.$zebra.'"'.$jump.' title="'.hsc($item['id']).'">'.NL; 1600 if (!$display_namespace) { 1601 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> '; 1602 } else { 1603 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>'; 1604 } 1605 echo '<span class="info">('.$info.')</span>'.NL; 1606 1607 // view button 1608 $link = ml($item['id'],'',true); 1609 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '. 1610 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>'; 1611 1612 // mediamanager button 1613 $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id']))); 1614 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '. 1615 'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>'; 1616 1617 // delete button 1618 if($item['writable'] && $auth >= AUTH_DELETE){ 1619 $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']). 1620 '&sectok='.getSecurityToken(); 1621 echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'. 1622 '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '. 1623 'title="'.$lang['btn_delete'].'" class="btn" /></a>'; 1624 } 1625 1626 echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">'; 1627 echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>'; 1628 echo '</div>'; 1629 if($item['isimg']) media_printimgdetail($item); 1630 echo '<div class="clearer"></div>'.NL; 1631 echo '</div>'.NL; 1632 } 1633 1634 /** 1635 * Display a media icon 1636 * 1637 * @param string $filename media id 1638 * @param string $size the size subfolder, if not specified 16x16 is used 1639 * @return string html 1640 */ 1641 function media_printicon($filename, $size=''){ 1642 list($ext) = mimetype(mediaFN($filename),false); 1643 1644 if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) { 1645 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png'; 1646 } else { 1647 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png'; 1648 } 1649 1650 return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />'; 1651 } 1652 1653 /** 1654 * Formats and prints one file in the list in the thumbnails view 1655 * 1656 * @author Kate Arzamastseva <pshns@ukr.net> 1657 * 1658 * @param array $item 1659 * @param int $auth permission level 1660 * @param bool|string $jump item id 1661 * @param bool $display_namespace 1662 */ 1663 function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){ 1664 1665 // Prepare filename 1666 $file = utf8_decodeFN($item['file']); 1667 1668 // output 1669 echo '<li><dl title="'.hsc($item['id']).'">'.NL; 1670 1671 echo '<dt>'; 1672 if($item['isimg']) { 1673 media_printimgdetail($item, true); 1674 1675 } else { 1676 echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'. 1677 media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1678 'tab_details' => 'view')).'">'; 1679 echo media_printicon($item['id'], '32x32'); 1680 echo '</a>'; 1681 } 1682 echo '</dt>'.NL; 1683 if (!$display_namespace) { 1684 $name = hsc($file); 1685 } else { 1686 $name = hsc($item['id']); 1687 } 1688 echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1689 'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL; 1690 1691 if($item['isimg']){ 1692 $size = ''; 1693 $size .= (int) $item['meta']->getField('File.Width'); 1694 $size .= '×'; 1695 $size .= (int) $item['meta']->getField('File.Height'); 1696 echo '<dd class="size">'.$size.'</dd>'.NL; 1697 } else { 1698 echo '<dd class="size"> </dd>'.NL; 1699 } 1700 $date = dformat($item['mtime']); 1701 echo '<dd class="date">'.$date.'</dd>'.NL; 1702 $filesize = filesize_h($item['size']); 1703 echo '<dd class="filesize">'.$filesize.'</dd>'.NL; 1704 echo '</dl></li>'.NL; 1705 } 1706 1707 /** 1708 * Prints a thumbnail and metainfo 1709 * 1710 * @param array $item 1711 * @param bool $fullscreen 1712 */ 1713 function media_printimgdetail($item, $fullscreen=false){ 1714 // prepare thumbnail 1715 $size = $fullscreen ? 90 : 120; 1716 1717 $w = (int) $item['meta']->getField('File.Width'); 1718 $h = (int) $item['meta']->getField('File.Height'); 1719 if($w>$size || $h>$size){ 1720 if (!$fullscreen) { 1721 $ratio = $item['meta']->getResizeRatio($size); 1722 } else { 1723 $ratio = $item['meta']->getResizeRatio($size,$size); 1724 } 1725 $w = floor($w * $ratio); 1726 $h = floor($h * $ratio); 1727 } 1728 $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime'])); 1729 $p = array(); 1730 if (!$fullscreen) { 1731 // In fullscreen mediamanager view, image resizing is done via CSS. 1732 $p['width'] = $w; 1733 $p['height'] = $h; 1734 } 1735 $p['alt'] = $item['id']; 1736 $att = buildAttributes($p); 1737 1738 // output 1739 if ($fullscreen) { 1740 echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'. 1741 media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view']).'">'; 1742 echo '<img src="'.$src.'" '.$att.' />'; 1743 echo '</a>'; 1744 } 1745 1746 if ($fullscreen) return; 1747 1748 echo '<div class="detail">'; 1749 echo '<div class="thumb">'; 1750 echo '<a id="d_:'.$item['id'].'" class="select">'; 1751 echo '<img src="'.$src.'" '.$att.' />'; 1752 echo '</a>'; 1753 echo '</div>'; 1754 1755 // read EXIF/IPTC data 1756 $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title')); 1757 $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment', 1758 'EXIF.TIFFImageDescription', 1759 'EXIF.TIFFUserComment')); 1760 if(\dokuwiki\Utf8\PhpString::strlen($d) > 250) $d = \dokuwiki\Utf8\PhpString::substr($d,0,250).'...'; 1761 $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject')); 1762 1763 // print EXIF/IPTC data 1764 if($t || $d || $k ){ 1765 echo '<p>'; 1766 if($t) echo '<strong>'.hsc($t).'</strong><br />'; 1767 if($d) echo hsc($d).'<br />'; 1768 if($t) echo '<em>'.hsc($k).'</em>'; 1769 echo '</p>'; 1770 } 1771 echo '</div>'; 1772 } 1773 1774 /** 1775 * Build link based on the current, adding/rewriting parameters 1776 * 1777 * @author Kate Arzamastseva <pshns@ukr.net> 1778 * 1779 * @param array|bool $params 1780 * @param string $amp separator 1781 * @param bool $abs absolute url? 1782 * @param bool $params_array return the parmeters array? 1783 * @return string|array - link or link parameters 1784 */ 1785 function media_managerURL($params=false, $amp='&', $abs=false, $params_array=false) { 1786 global $ID; 1787 global $INPUT; 1788 1789 $gets = array('do' => 'media'); 1790 $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'); 1791 foreach ($media_manager_params as $x) { 1792 if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x); 1793 } 1794 1795 if ($params) { 1796 $gets = $params + $gets; 1797 } 1798 unset($gets['id']); 1799 if (isset($gets['delete'])) { 1800 unset($gets['image']); 1801 unset($gets['tab_details']); 1802 } 1803 1804 if ($params_array) return $gets; 1805 1806 return wl($ID,$gets,$abs,$amp); 1807 } 1808 1809 /** 1810 * Print the media upload form if permissions are correct 1811 * 1812 * @author Andreas Gohr <andi@splitbrain.org> 1813 * @author Kate Arzamastseva <pshns@ukr.net> 1814 * 1815 * @param string $ns 1816 * @param int $auth permission level 1817 * @param bool $fullscreen 1818 */ 1819 function media_uploadform($ns, $auth, $fullscreen = false){ 1820 global $lang; 1821 global $conf; 1822 global $INPUT; 1823 1824 if($auth < AUTH_UPLOAD) { 1825 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 1826 return; 1827 } 1828 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1829 1830 $update = false; 1831 $id = ''; 1832 if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') { 1833 $update = true; 1834 $id = cleanID($INPUT->str('image')); 1835 } 1836 1837 // The default HTML upload form 1838 $params = array('id' => 'dw__upload', 1839 'enctype' => 'multipart/form-data'); 1840 if (!$fullscreen) { 1841 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1842 } else { 1843 $params['action'] = media_managerURL(array('tab_files' => 'files', 1844 'tab_details' => 'view'), '&'); 1845 } 1846 1847 $form = new Doku_Form($params); 1848 if (!$fullscreen) echo '<div class="upload">' . $lang['mediaupload'] . '</div>'; 1849 $form->addElement(formSecurityToken()); 1850 $form->addHidden('ns', hsc($ns)); 1851 $form->addElement(form_makeOpenTag('p')); 1852 $form->addElement(form_makeFileField('upload', $lang['txt_upload'], 'upload__file')); 1853 $form->addElement(form_makeCloseTag('p')); 1854 $form->addElement(form_makeOpenTag('p')); 1855 $form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name')); 1856 $form->addElement(form_makeButton('submit', '', $lang['btn_upload'])); 1857 $form->addElement(form_makeCloseTag('p')); 1858 1859 if($auth >= $auth_ow){ 1860 $form->addElement(form_makeOpenTag('p')); 1861 $attrs = array(); 1862 if ($update) $attrs['checked'] = 'checked'; 1863 $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs)); 1864 $form->addElement(form_makeCloseTag('p')); 1865 } 1866 1867 echo NL.'<div id="mediamanager__uploader">'.NL; 1868 html_form('upload', $form); 1869 1870 echo '</div>'.NL; 1871 1872 echo '<p class="maxsize">'; 1873 printf($lang['maxuploadsize'],filesize_h(media_getuploadsize())); 1874 echo '</p>'.NL; 1875 1876 } 1877 1878 /** 1879 * Returns the size uploaded files may have 1880 * 1881 * This uses a conservative approach using the lowest number found 1882 * in any of the limiting ini settings 1883 * 1884 * @returns int size in bytes 1885 */ 1886 function media_getuploadsize(){ 1887 $okay = 0; 1888 1889 $post = (int) php_to_byte(@ini_get('post_max_size')); 1890 $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length')); 1891 $upld = (int) php_to_byte(@ini_get('upload_max_filesize')); 1892 1893 if($post && ($post < $okay || $okay == 0)) $okay = $post; 1894 if($suho && ($suho < $okay || $okay == 0)) $okay = $suho; 1895 if($upld && ($upld < $okay || $okay == 0)) $okay = $upld; 1896 1897 return $okay; 1898 } 1899 1900 /** 1901 * Print the search field form 1902 * 1903 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1904 * @author Kate Arzamastseva <pshns@ukr.net> 1905 * 1906 * @param string $ns 1907 * @param string $query 1908 * @param bool $fullscreen 1909 */ 1910 function media_searchform($ns,$query='',$fullscreen=false){ 1911 global $lang; 1912 1913 // The default HTML search form 1914 $params = array('id' => 'dw__mediasearch'); 1915 if (!$fullscreen) { 1916 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1917 } else { 1918 $params['action'] = media_managerURL(array(), '&'); 1919 } 1920 $form = new Doku_Form($params); 1921 $form->addHidden('ns', $ns); 1922 $form->addHidden($fullscreen ? 'mediado' : 'do', 'searchlist'); 1923 1924 $form->addElement(form_makeOpenTag('p')); 1925 $form->addElement( 1926 form_makeTextField( 1927 'q', 1928 $query, 1929 $lang['searchmedia'], 1930 '', 1931 '', 1932 array('title' => sprintf($lang['searchmedia_in'], hsc($ns) . ':*')) 1933 ) 1934 ); 1935 $form->addElement(form_makeButton('submit', '', $lang['btn_search'])); 1936 $form->addElement(form_makeCloseTag('p')); 1937 html_form('searchmedia', $form); 1938 } 1939 1940 /** 1941 * Build a tree outline of available media namespaces 1942 * 1943 * @author Andreas Gohr <andi@splitbrain.org> 1944 * 1945 * @param string $ns 1946 */ 1947 function media_nstree($ns){ 1948 global $conf; 1949 global $lang; 1950 1951 // currently selected namespace 1952 $ns = cleanID($ns); 1953 if(empty($ns)){ 1954 global $ID; 1955 $ns = (string)getNS($ID); 1956 } 1957 1958 $ns_dir = utf8_encodeFN(str_replace(':','/',$ns)); 1959 1960 $data = array(); 1961 search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true)); 1962 1963 // wrap a list with the root level around the other namespaces 1964 array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true', 1965 'label' => '['.$lang['mediaroot'].']')); 1966 1967 // insert the current ns into the hierarchy if it isn't already part of it 1968 $ns_parts = explode(':', $ns); 1969 $tmp_ns = ''; 1970 $pos = 0; 1971 foreach ($ns_parts as $level => $part) { 1972 if ($tmp_ns) $tmp_ns .= ':'.$part; 1973 else $tmp_ns = $part; 1974 1975 // find the namespace parts or insert them 1976 while ($data[$pos]['id'] != $tmp_ns) { 1977 if ( 1978 $pos >= count($data) || 1979 ( 1980 $data[$pos]['level'] <= $level+1 && 1981 strnatcmp(utf8_encodeFN($data[$pos]['id']), utf8_encodeFN($tmp_ns)) > 0 1982 ) 1983 ) { 1984 array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true'))); 1985 break; 1986 } 1987 ++$pos; 1988 } 1989 } 1990 1991 echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li'); 1992 } 1993 1994 /** 1995 * Userfunction for html_buildlist 1996 * 1997 * Prints a media namespace tree item 1998 * 1999 * @author Andreas Gohr <andi@splitbrain.org> 2000 * 2001 * @param array $item 2002 * @return string html 2003 */ 2004 function media_nstree_item($item){ 2005 global $INPUT; 2006 $pos = strrpos($item['id'], ':'); 2007 $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0); 2008 if(empty($item['label'])) $item['label'] = $label; 2009 2010 $ret = ''; 2011 if (!($INPUT->str('do') == 'media')) 2012 $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">'; 2013 else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files')) 2014 .'" class="idx_dir">'; 2015 $ret .= $item['label']; 2016 $ret .= '</a>'; 2017 return $ret; 2018 } 2019 2020 /** 2021 * Userfunction for html_buildlist 2022 * 2023 * Prints a media namespace tree item opener 2024 * 2025 * @author Andreas Gohr <andi@splitbrain.org> 2026 * 2027 * @param array $item 2028 * @return string html 2029 */ 2030 function media_nstree_li($item){ 2031 $class='media level'.$item['level']; 2032 if($item['open']){ 2033 $class .= ' open'; 2034 $img = DOKU_BASE.'lib/images/minus.gif'; 2035 $alt = '−'; 2036 }else{ 2037 $class .= ' closed'; 2038 $img = DOKU_BASE.'lib/images/plus.gif'; 2039 $alt = '+'; 2040 } 2041 // TODO: only deliver an image if it actually has a subtree... 2042 return '<li class="'.$class.'">'. 2043 '<img src="'.$img.'" alt="'.$alt.'" />'; 2044 } 2045 2046 /** 2047 * Resizes the given image to the given size 2048 * 2049 * @author Andreas Gohr <andi@splitbrain.org> 2050 * 2051 * @param string $file filename, path to file 2052 * @param string $ext extension 2053 * @param int $w desired width 2054 * @param int $h desired height 2055 * @return string path to resized or original size if failed 2056 */ 2057 function media_resize_image($file, $ext, $w, $h=0){ 2058 global $conf; 2059 2060 $info = @getimagesize($file); //get original size 2061 if($info == false) return $file; // that's no image - it's a spaceship! 2062 2063 if(!$h) $h = round(($w * $info[1]) / $info[0]); 2064 if(!$w) $w = round(($h * $info[0]) / $info[1]); 2065 2066 // we wont scale up to infinity 2067 if($w > 2000 || $h > 2000) return $file; 2068 2069 // resize necessary? - (w,h) = native dimensions 2070 if(($w == $info[0]) && ($h == $info[1])) return $file; 2071 2072 //cache 2073 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext); 2074 $mtime = @filemtime($local); // 0 if not exists 2075 2076 if($mtime > filemtime($file) || 2077 media_resize_imageIM($ext, $file, $info[0], $info[1], $local, $w, $h) || 2078 media_resize_imageGD($ext, $file, $info[0], $info[1], $local, $w, $h) 2079 ) { 2080 if($conf['fperm']) @chmod($local, $conf['fperm']); 2081 return $local; 2082 } 2083 //still here? resizing failed 2084 return $file; 2085 } 2086 2087 /** 2088 * Crops the given image to the wanted ratio, then calls media_resize_image to scale it 2089 * to the wanted size 2090 * 2091 * Crops are centered horizontally but prefer the upper third of an vertical 2092 * image because most pics are more interesting in that area (rule of thirds) 2093 * 2094 * @author Andreas Gohr <andi@splitbrain.org> 2095 * 2096 * @param string $file filename, path to file 2097 * @param string $ext extension 2098 * @param int $w desired width 2099 * @param int $h desired height 2100 * @return string path to resized or original size if failed 2101 */ 2102 function media_crop_image($file, $ext, $w, $h=0){ 2103 global $conf; 2104 2105 if(!$h) $h = $w; 2106 $info = @getimagesize($file); //get original size 2107 if($info == false) return $file; // that's no image - it's a spaceship! 2108 2109 // calculate crop size 2110 $fr = $info[0]/$info[1]; 2111 $tr = $w/$h; 2112 2113 // check if the crop can be handled completely by resize, 2114 // i.e. the specified width & height match the aspect ratio of the source image 2115 if ($w == round($h*$fr)) { 2116 return media_resize_image($file, $ext, $w); 2117 } 2118 2119 if($tr >= 1){ 2120 if($tr > $fr){ 2121 $cw = $info[0]; 2122 $ch = (int) ($info[0]/$tr); 2123 }else{ 2124 $cw = (int) ($info[1]*$tr); 2125 $ch = $info[1]; 2126 } 2127 }else{ 2128 if($tr < $fr){ 2129 $cw = (int) ($info[1]*$tr); 2130 $ch = $info[1]; 2131 }else{ 2132 $cw = $info[0]; 2133 $ch = (int) ($info[0]/$tr); 2134 } 2135 } 2136 // calculate crop offset 2137 $cx = (int) (($info[0]-$cw)/2); 2138 $cy = (int) (($info[1]-$ch)/3); 2139 2140 //cache 2141 $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext); 2142 $mtime = @filemtime($local); // 0 if not exists 2143 2144 if( $mtime > @filemtime($file) || 2145 media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) || 2146 media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){ 2147 if($conf['fperm']) @chmod($local, $conf['fperm']); 2148 return media_resize_image($local,$ext, $w, $h); 2149 } 2150 2151 //still here? cropping failed 2152 return media_resize_image($file,$ext, $w, $h); 2153 } 2154 2155 /** 2156 * Calculate a token to be used to verify fetch requests for resized or 2157 * cropped images have been internally generated - and prevent external 2158 * DDOS attacks via fetch 2159 * 2160 * @author Christopher Smith <chris@jalakai.co.uk> 2161 * 2162 * @param string $id id of the image 2163 * @param int $w resize/crop width 2164 * @param int $h resize/crop height 2165 * @return string token or empty string if no token required 2166 */ 2167 function media_get_token($id,$w,$h){ 2168 // token is only required for modified images 2169 if ($w || $h || media_isexternal($id)) { 2170 $token = $id; 2171 if ($w) $token .= '.'.$w; 2172 if ($h) $token .= '.'.$h; 2173 2174 return substr(\dokuwiki\PassHash::hmac('md5', $token, auth_cookiesalt()),0,6); 2175 } 2176 2177 return ''; 2178 } 2179 2180 /** 2181 * Download a remote file and return local filename 2182 * 2183 * returns false if download fails. Uses cached file if available and 2184 * wanted 2185 * 2186 * @author Andreas Gohr <andi@splitbrain.org> 2187 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2188 * 2189 * @param string $url 2190 * @param string $ext extension 2191 * @param int $cache cachetime in seconds 2192 * @return false|string path to cached file 2193 */ 2194 function media_get_from_URL($url,$ext,$cache){ 2195 global $conf; 2196 2197 // if no cache or fetchsize just redirect 2198 if ($cache==0) return false; 2199 if (!$conf['fetchsize']) return false; 2200 2201 $local = getCacheName(strtolower($url),".media.$ext"); 2202 $mtime = @filemtime($local); // 0 if not exists 2203 2204 //decide if download needed: 2205 if(($mtime == 0) || // cache does not exist 2206 ($cache != -1 && $mtime < time() - $cache) // 'recache' and cache has expired 2207 ) { 2208 if(media_image_download($url, $local)) { 2209 return $local; 2210 } else { 2211 return false; 2212 } 2213 } 2214 2215 //if cache exists use it else 2216 if($mtime) return $local; 2217 2218 //else return false 2219 return false; 2220 } 2221 2222 /** 2223 * Download image files 2224 * 2225 * @author Andreas Gohr <andi@splitbrain.org> 2226 * 2227 * @param string $url 2228 * @param string $file path to file in which to put the downloaded content 2229 * @return bool 2230 */ 2231 function media_image_download($url,$file){ 2232 global $conf; 2233 $http = new DokuHTTPClient(); 2234 $http->keep_alive = false; // we do single ops here, no need for keep-alive 2235 2236 $http->max_bodysize = $conf['fetchsize']; 2237 $http->timeout = 25; //max. 25 sec 2238 $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i'; 2239 2240 $data = $http->get($url); 2241 if(!$data) return false; 2242 2243 $fileexists = file_exists($file); 2244 $fp = @fopen($file,"w"); 2245 if(!$fp) return false; 2246 fwrite($fp,$data); 2247 fclose($fp); 2248 if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']); 2249 2250 // check if it is really an image 2251 $info = @getimagesize($file); 2252 if(!$info){ 2253 @unlink($file); 2254 return false; 2255 } 2256 2257 return true; 2258 } 2259 2260 /** 2261 * resize images using external ImageMagick convert program 2262 * 2263 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2264 * @author Andreas Gohr <andi@splitbrain.org> 2265 * 2266 * @param string $ext extension 2267 * @param string $from filename path to file 2268 * @param int $from_w original width 2269 * @param int $from_h original height 2270 * @param string $to path to resized file 2271 * @param int $to_w desired width 2272 * @param int $to_h desired height 2273 * @return bool 2274 */ 2275 function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){ 2276 global $conf; 2277 2278 // check if convert is configured 2279 if(!$conf['im_convert']) return false; 2280 2281 // prepare command 2282 $cmd = $conf['im_convert']; 2283 $cmd .= ' -resize '.$to_w.'x'.$to_h.'!'; 2284 if ($ext == 'jpg' || $ext == 'jpeg') { 2285 $cmd .= ' -quality '.$conf['jpg_quality']; 2286 } 2287 $cmd .= " $from $to"; 2288 2289 @exec($cmd,$out,$retval); 2290 if ($retval == 0) return true; 2291 return false; 2292 } 2293 2294 /** 2295 * crop images using external ImageMagick convert program 2296 * 2297 * @author Andreas Gohr <andi@splitbrain.org> 2298 * 2299 * @param string $ext extension 2300 * @param string $from filename path to file 2301 * @param int $from_w original width 2302 * @param int $from_h original height 2303 * @param string $to path to resized file 2304 * @param int $to_w desired width 2305 * @param int $to_h desired height 2306 * @param int $ofs_x offset of crop centre 2307 * @param int $ofs_y offset of crop centre 2308 * @return bool 2309 */ 2310 function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){ 2311 global $conf; 2312 2313 // check if convert is configured 2314 if(!$conf['im_convert']) return false; 2315 2316 // prepare command 2317 $cmd = $conf['im_convert']; 2318 $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y; 2319 if ($ext == 'jpg' || $ext == 'jpeg') { 2320 $cmd .= ' -quality '.$conf['jpg_quality']; 2321 } 2322 $cmd .= " $from $to"; 2323 2324 @exec($cmd,$out,$retval); 2325 if ($retval == 0) return true; 2326 return false; 2327 } 2328 2329 /** 2330 * resize or crop images using PHP's libGD support 2331 * 2332 * @author Andreas Gohr <andi@splitbrain.org> 2333 * @author Sebastian Wienecke <s_wienecke@web.de> 2334 * 2335 * @param string $ext extension 2336 * @param string $from filename path to file 2337 * @param int $from_w original width 2338 * @param int $from_h original height 2339 * @param string $to path to resized file 2340 * @param int $to_w desired width 2341 * @param int $to_h desired height 2342 * @param int $ofs_x offset of crop centre 2343 * @param int $ofs_y offset of crop centre 2344 * @return bool 2345 */ 2346 function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){ 2347 global $conf; 2348 2349 if($conf['gdlib'] < 1) return false; //no GDlib available or wanted 2350 2351 // check available memory 2352 if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){ 2353 return false; 2354 } 2355 2356 // create an image of the given filetype 2357 $image = false; 2358 if ($ext == 'jpg' || $ext == 'jpeg'){ 2359 if(!function_exists("imagecreatefromjpeg")) return false; 2360 $image = @imagecreatefromjpeg($from); 2361 }elseif($ext == 'png') { 2362 if(!function_exists("imagecreatefrompng")) return false; 2363 $image = @imagecreatefrompng($from); 2364 2365 }elseif($ext == 'gif') { 2366 if(!function_exists("imagecreatefromgif")) return false; 2367 $image = @imagecreatefromgif($from); 2368 } 2369 if(!$image) return false; 2370 2371 $newimg = false; 2372 if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){ 2373 $newimg = @imagecreatetruecolor ($to_w, $to_h); 2374 } 2375 if(!$newimg) $newimg = @imagecreate($to_w, $to_h); 2376 if(!$newimg){ 2377 imagedestroy($image); 2378 return false; 2379 } 2380 2381 //keep png alpha channel if possible 2382 if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){ 2383 imagealphablending($newimg, false); 2384 imagesavealpha($newimg,true); 2385 } 2386 2387 //keep gif transparent color if possible 2388 if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) { 2389 if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) { 2390 $transcolorindex = @imagecolortransparent($image); 2391 if($transcolorindex >= 0 ) { //transparent color exists 2392 $transcolor = @imagecolorsforindex($image, $transcolorindex); 2393 $transcolorindex = @imagecolorallocate( 2394 $newimg, 2395 $transcolor['red'], 2396 $transcolor['green'], 2397 $transcolor['blue'] 2398 ); 2399 @imagefill($newimg, 0, 0, $transcolorindex); 2400 @imagecolortransparent($newimg, $transcolorindex); 2401 }else{ //filling with white 2402 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2403 @imagefill($newimg, 0, 0, $whitecolorindex); 2404 } 2405 }else{ //filling with white 2406 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2407 @imagefill($newimg, 0, 0, $whitecolorindex); 2408 } 2409 } 2410 2411 //try resampling first 2412 if(function_exists("imagecopyresampled")){ 2413 if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) { 2414 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2415 } 2416 }else{ 2417 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2418 } 2419 2420 $okay = false; 2421 if ($ext == 'jpg' || $ext == 'jpeg'){ 2422 if(!function_exists('imagejpeg')){ 2423 $okay = false; 2424 }else{ 2425 $okay = imagejpeg($newimg, $to, $conf['jpg_quality']); 2426 } 2427 }elseif($ext == 'png') { 2428 if(!function_exists('imagepng')){ 2429 $okay = false; 2430 }else{ 2431 $okay = imagepng($newimg, $to); 2432 } 2433 }elseif($ext == 'gif') { 2434 if(!function_exists('imagegif')){ 2435 $okay = false; 2436 }else{ 2437 $okay = imagegif($newimg, $to); 2438 } 2439 } 2440 2441 // destroy GD image ressources 2442 if($image) imagedestroy($image); 2443 if($newimg) imagedestroy($newimg); 2444 2445 return $okay; 2446 } 2447 2448 /** 2449 * Return other media files with the same base name 2450 * but different extensions. 2451 * 2452 * @param string $src - ID of media file 2453 * @param string[] $exts - alternative extensions to find other files for 2454 * @return array - array(mime type => file ID) 2455 * 2456 * @author Anika Henke <anika@selfthinker.org> 2457 */ 2458 function media_alternativefiles($src, $exts){ 2459 2460 $files = array(); 2461 list($srcExt, /* $srcMime */) = mimetype($src); 2462 $filebase = substr($src, 0, -1 * (strlen($srcExt)+1)); 2463 2464 foreach($exts as $ext) { 2465 $fileid = $filebase.'.'.$ext; 2466 $file = mediaFN($fileid); 2467 if(file_exists($file)) { 2468 list(/* $fileExt */, $fileMime) = mimetype($file); 2469 $files[$fileMime] = $fileid; 2470 } 2471 } 2472 return $files; 2473 } 2474 2475 /** 2476 * Check if video/audio is supported to be embedded. 2477 * 2478 * @param string $mime - mimetype of media file 2479 * @param string $type - type of media files to check ('video', 'audio', or null for all) 2480 * @return boolean 2481 * 2482 * @author Anika Henke <anika@selfthinker.org> 2483 */ 2484 function media_supportedav($mime, $type=NULL){ 2485 $supportedAudio = array( 2486 'ogg' => 'audio/ogg', 2487 'mp3' => 'audio/mpeg', 2488 'wav' => 'audio/wav', 2489 ); 2490 $supportedVideo = array( 2491 'webm' => 'video/webm', 2492 'ogv' => 'video/ogg', 2493 'mp4' => 'video/mp4', 2494 ); 2495 if ($type == 'audio') { 2496 $supportedAv = $supportedAudio; 2497 } elseif ($type == 'video') { 2498 $supportedAv = $supportedVideo; 2499 } else { 2500 $supportedAv = array_merge($supportedAudio, $supportedVideo); 2501 } 2502 return in_array($mime, $supportedAv); 2503 } 2504 2505 /** 2506 * Return track media files with the same base name 2507 * but extensions that indicate kind and lang. 2508 * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt... 2509 * 2510 * @param string $src - ID of media file 2511 * @return array - array(mediaID => array( kind, srclang )) 2512 * 2513 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 2514 */ 2515 function media_trackfiles($src){ 2516 $kinds=array( 2517 'sub' => 'subtitles', 2518 'cap' => 'captions', 2519 'des' => 'descriptions', 2520 'cha' => 'chapters', 2521 'met' => 'metadata' 2522 ); 2523 2524 $files = array(); 2525 $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/'; 2526 $baseid=pathinfo($src, PATHINFO_FILENAME); 2527 $pattern=mediaFN($baseid).'.*.*.vtt'; 2528 $list=glob($pattern); 2529 foreach($list as $track) { 2530 if(preg_match($re, $track, $matches)){ 2531 $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array( 2532 $kinds[$matches[1]], 2533 $matches[2], 2534 ); 2535 } 2536 } 2537 return $files; 2538 } 2539 2540 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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