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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\Form\Form; 14 use dokuwiki\Utf8\Sort; 15 16 /** 17 * Lists pages which currently use a media file selected for deletion 18 * 19 * References uses the same visual as search results and share 20 * their CSS tags except pagenames won't be links. 21 * 22 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net> 23 * 24 * @param array $data 25 * @param string $id 26 */ 27 function media_filesinuse($data,$id){ 28 global $lang; 29 echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>'; 30 echo '<p>'.hsc($lang['ref_inuse']).'</p>'; 31 32 $hidden=0; //count of hits without read permission 33 foreach($data as $row){ 34 if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){ 35 echo '<div class="search_result">'; 36 echo '<span class="mediaref_ref">'.hsc($row).'</span>'; 37 echo '</div>'; 38 }else 39 $hidden++; 40 } 41 if ($hidden){ 42 print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>'; 43 } 44 } 45 46 /** 47 * Handles the saving of image meta data 48 * 49 * @author Andreas Gohr <andi@splitbrain.org> 50 * @author Kate Arzamastseva <pshns@ukr.net> 51 * 52 * @param string $id media id 53 * @param int $auth permission level 54 * @param array $data 55 * @return false|string 56 */ 57 function media_metasave($id,$auth,$data){ 58 if($auth < AUTH_UPLOAD) return false; 59 if(!checkSecurityToken()) return false; 60 global $lang; 61 global $conf; 62 $src = mediaFN($id); 63 64 $meta = new JpegMeta($src); 65 $meta->_parseAll(); 66 67 foreach($data as $key => $val){ 68 $val=trim($val); 69 if(empty($val)){ 70 $meta->deleteField($key); 71 }else{ 72 $meta->setField($key,$val); 73 } 74 } 75 76 $old = @filemtime($src); 77 if(!file_exists(mediaFN($id, $old)) && file_exists($src)) { 78 // add old revision to the attic 79 media_saveOldRevision($id); 80 } 81 $filesize_old = filesize($src); 82 if($meta->save()){ 83 if($conf['fperm']) chmod($src, $conf['fperm']); 84 @clearstatcache(true, $src); 85 $new = @filemtime($src); 86 $filesize_new = filesize($src); 87 $sizechange = $filesize_new - $filesize_old; 88 89 // add a log entry to the media changelog 90 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange); 91 92 msg($lang['metasaveok'],1); 93 return $id; 94 }else{ 95 msg($lang['metasaveerr'],-1); 96 return false; 97 } 98 } 99 100 /** 101 * check if a media is external source 102 * 103 * @author Gerrit Uitslag <klapinklapin@gmail.com> 104 * 105 * @param string $id the media ID or URL 106 * @return bool 107 */ 108 function media_isexternal($id){ 109 if (preg_match('#^(?:https?|ftp)://#i', $id)) return true; 110 return false; 111 } 112 113 /** 114 * Check if a media item is public (eg, external URL or readable by @ALL) 115 * 116 * @author Andreas Gohr <andi@splitbrain.org> 117 * 118 * @param string $id the media ID or URL 119 * @return bool 120 */ 121 function media_ispublic($id){ 122 if(media_isexternal($id)) return true; 123 $id = cleanID($id); 124 if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true; 125 return false; 126 } 127 128 /** 129 * Display the form to edit image meta data 130 * 131 * @author Andreas Gohr <andi@splitbrain.org> 132 * @author Kate Arzamastseva <pshns@ukr.net> 133 * 134 * @param string $id media id 135 * @param int $auth permission level 136 * @return bool 137 */ 138 function media_metaform($id, $auth) { 139 global $lang; 140 141 if ($auth < AUTH_UPLOAD) { 142 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.DOKU_LF; 143 return false; 144 } 145 146 // load the field descriptions 147 static $fields = null; 148 if ($fields === null) { 149 $config_files = getConfigFiles('mediameta'); 150 foreach ($config_files as $config_file) { 151 if (file_exists($config_file)) include($config_file); 152 } 153 } 154 155 $src = mediaFN($id); 156 157 // output 158 $form = new Form([ 159 'action' => media_managerURL(['tab_details' => 'view'], '&'), 160 'class' => 'meta' 161 ]); 162 $form->addTagOpen('div')->addClass('no'); 163 $form->setHiddenField('img', $id); 164 $form->setHiddenField('mediado', 'save'); 165 foreach ($fields as $key => $field) { 166 // get current value 167 if (empty($field[0])) continue; 168 $tags = array($field[0]); 169 if (is_array($field[3])) $tags = array_merge($tags, $field[3]); 170 $value = tpl_img_getTag($tags, '', $src); 171 $value = cleanText($value); 172 173 // prepare attributes 174 $p = array( 175 'class' => 'edit', 176 'id' => 'meta__'.$key, 177 'name' => 'meta['.$field[0].']', 178 ); 179 180 $form->addTagOpen('div')->addClass('row'); 181 if ($field[2] == 'text') { 182 $form->addTextInput( 183 $p['name'], 184 ($lang[$field[1]] ? $lang[$field[1]] : $field[1] . ':') 185 )->id($p['id'])->addClass($p['class'])->val($value); 186 } else { 187 $form->addTextarea($p['name'], $lang[$field[1]])->id($p['id']) 188 ->val(formText($value)) 189 ->addClass($p['class']) 190 ->attr('rows', '6')->attr('cols', '50'); 191 } 192 $form->addTagClose('div'); 193 } 194 $form->addTagOpen('div')->addClass('buttons'); 195 $form->addButton('mediado[save]', $lang['btn_save'])->attr('type', 'submit') 196 ->attrs(['accesskey' => 's']); 197 $form->addTagClose('div'); 198 199 $form->addTagClose('div'); 200 echo $form->toHTML(); 201 return true; 202 } 203 204 /** 205 * Convenience function to check if a media file is still in use 206 * 207 * @author Michael Klier <chi@chimeric.de> 208 * 209 * @param string $id media id 210 * @return array|bool 211 */ 212 function media_inuse($id) { 213 global $conf; 214 215 if($conf['refcheck']){ 216 $mediareferences = ft_mediause($id,true); 217 if(!count($mediareferences)) { 218 return false; 219 } else { 220 return $mediareferences; 221 } 222 } else { 223 return false; 224 } 225 } 226 227 /** 228 * Handles media file deletions 229 * 230 * If configured, checks for media references before deletion 231 * 232 * @author Andreas Gohr <andi@splitbrain.org> 233 * 234 * @param string $id media id 235 * @param int $auth no longer used 236 * @return int One of: 0, 237 * DOKU_MEDIA_DELETED, 238 * DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS, 239 * DOKU_MEDIA_NOT_AUTH, 240 * DOKU_MEDIA_INUSE 241 */ 242 function media_delete($id,$auth){ 243 global $lang; 244 $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':')); 245 if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH; 246 if(media_inuse($id)) return DOKU_MEDIA_INUSE; 247 248 $file = mediaFN($id); 249 250 // trigger an event - MEDIA_DELETE_FILE 251 $data = array(); 252 $data['id'] = $id; 253 $data['name'] = \dokuwiki\Utf8\PhpString::basename($file); 254 $data['path'] = $file; 255 $data['size'] = (file_exists($file)) ? filesize($file) : 0; 256 257 $data['unl'] = false; 258 $data['del'] = false; 259 $evt = new Event('MEDIA_DELETE_FILE',$data); 260 if ($evt->advise_before()) { 261 $old = @filemtime($file); 262 if(!file_exists(mediaFN($id, $old)) && file_exists($file)) { 263 // add old revision to the attic 264 media_saveOldRevision($id); 265 } 266 267 $data['unl'] = @unlink($file); 268 if($data['unl']) { 269 $sizechange = 0 - $data['size']; 270 addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange); 271 272 $data['del'] = io_sweepNS($id, 'mediadir'); 273 } 274 } 275 $evt->advise_after(); 276 unset($evt); 277 278 if($data['unl'] && $data['del']){ 279 return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS; 280 } 281 282 return $data['unl'] ? DOKU_MEDIA_DELETED : 0; 283 } 284 285 /** 286 * Handle file uploads via XMLHttpRequest 287 * 288 * @param string $ns target namespace 289 * @param int $auth current auth check result 290 * @return false|string false on error, id of the new file on success 291 */ 292 function media_upload_xhr($ns,$auth){ 293 if(!checkSecurityToken()) return false; 294 global $INPUT; 295 296 $id = $INPUT->get->str('qqfile'); 297 list($ext,$mime) = mimetype($id); 298 $input = fopen("php://input", "r"); 299 if (!($tmp = io_mktmpdir())) return false; 300 $path = $tmp.'/'.md5($id); 301 $target = fopen($path, "w"); 302 $realSize = stream_copy_to_stream($input, $target); 303 fclose($target); 304 fclose($input); 305 if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){ 306 unlink($path); 307 return false; 308 } 309 310 $res = media_save( 311 array('name' => $path, 312 'mime' => $mime, 313 'ext' => $ext), 314 $ns.':'.$id, 315 (($INPUT->get->str('ow') == 'true') ? true : false), 316 $auth, 317 'copy' 318 ); 319 unlink($path); 320 if ($tmp) io_rmdir($tmp, true); 321 if (is_array($res)) { 322 msg($res[0], $res[1]); 323 return false; 324 } 325 return $res; 326 } 327 328 /** 329 * Handles media file uploads 330 * 331 * @author Andreas Gohr <andi@splitbrain.org> 332 * @author Michael Klier <chi@chimeric.de> 333 * 334 * @param string $ns target namespace 335 * @param int $auth current auth check result 336 * @param bool|array $file $_FILES member, $_FILES['upload'] if false 337 * @return false|string false on error, id of the new file on success 338 */ 339 function media_upload($ns,$auth,$file=false){ 340 if(!checkSecurityToken()) return false; 341 global $lang; 342 global $INPUT; 343 344 // get file and id 345 $id = $INPUT->post->str('mediaid'); 346 if (!$file) $file = $_FILES['upload']; 347 if(empty($id)) $id = $file['name']; 348 349 // check for errors (messages are done in lib/exe/mediamanager.php) 350 if($file['error']) return false; 351 352 // check extensions 353 list($fext,$fmime) = mimetype($file['name']); 354 list($iext,$imime) = mimetype($id); 355 if($fext && !$iext){ 356 // no extension specified in id - read original one 357 $id .= '.'.$fext; 358 $imime = $fmime; 359 }elseif($fext && $fext != $iext){ 360 // extension was changed, print warning 361 msg(sprintf($lang['mediaextchange'],$fext,$iext)); 362 } 363 364 $res = media_save(array('name' => $file['tmp_name'], 365 'mime' => $imime, 366 'ext' => $iext), $ns.':'.$id, 367 $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file'); 368 if (is_array($res)) { 369 msg($res[0], $res[1]); 370 return false; 371 } 372 return $res; 373 } 374 375 /** 376 * An alternative to move_uploaded_file that copies 377 * 378 * Using copy, makes sure any setgid bits on the media directory are honored 379 * 380 * @see move_uploaded_file() 381 * 382 * @param string $from 383 * @param string $to 384 * @return bool 385 */ 386 function copy_uploaded_file($from, $to){ 387 if(!is_uploaded_file($from)) return false; 388 $ok = copy($from, $to); 389 @unlink($from); 390 return $ok; 391 } 392 393 /** 394 * This generates an action event and delegates to _media_upload_action(). 395 * Action plugins are allowed to pre/postprocess the uploaded file. 396 * (The triggered event is preventable.) 397 * 398 * Event data: 399 * $data[0] fn_tmp: the temporary file name (read from $_FILES) 400 * $data[1] fn: the file name of the uploaded file 401 * $data[2] id: the future directory id of the uploaded file 402 * $data[3] imime: the mimetype of the uploaded file 403 * $data[4] overwrite: if an existing file is going to be overwritten 404 * $data[5] move: name of function that performs move/copy/.. 405 * 406 * @triggers MEDIA_UPLOAD_FINISH 407 * 408 * @param array $file 409 * @param string $id media id 410 * @param bool $ow overwrite? 411 * @param int $auth permission level 412 * @param string $move name of functions that performs move/copy/.. 413 * @return false|array|string 414 */ 415 function media_save($file, $id, $ow, $auth, $move) { 416 if($auth < AUTH_UPLOAD) { 417 return array("You don't have permissions to upload files.", -1); 418 } 419 420 if (!isset($file['mime']) || !isset($file['ext'])) { 421 list($ext, $mime) = mimetype($id); 422 if (!isset($file['mime'])) { 423 $file['mime'] = $mime; 424 } 425 if (!isset($file['ext'])) { 426 $file['ext'] = $ext; 427 } 428 } 429 430 global $lang, $conf; 431 432 // get filename 433 $id = cleanID($id); 434 $fn = mediaFN($id); 435 436 // get filetype regexp 437 $types = array_keys(getMimeTypes()); 438 $types = array_map( 439 function ($q) { 440 return preg_quote($q, "/"); 441 }, 442 $types 443 ); 444 $regex = join('|',$types); 445 446 // because a temp file was created already 447 if(!preg_match('/\.('.$regex.')$/i',$fn)) { 448 return array($lang['uploadwrong'],-1); 449 } 450 451 //check for overwrite 452 $overwrite = file_exists($fn); 453 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 454 if($overwrite && (!$ow || $auth < $auth_ow)) { 455 return array($lang['uploadexist'], 0); 456 } 457 // check for valid content 458 $ok = media_contentcheck($file['name'], $file['mime']); 459 if($ok == -1){ 460 return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1); 461 }elseif($ok == -2){ 462 return array($lang['uploadspam'],-1); 463 }elseif($ok == -3){ 464 return array($lang['uploadxss'],-1); 465 } 466 467 // prepare event data 468 $data = array(); 469 $data[0] = $file['name']; 470 $data[1] = $fn; 471 $data[2] = $id; 472 $data[3] = $file['mime']; 473 $data[4] = $overwrite; 474 $data[5] = $move; 475 476 // trigger event 477 return Event::createAndTrigger('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true); 478 } 479 480 /** 481 * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH 482 * 483 * @author Michael Klier <chi@chimeric.de> 484 * 485 * @param array $data event data 486 * @return false|array|string 487 */ 488 function _media_upload_action($data) { 489 // fixme do further sanity tests of given data? 490 if(is_array($data) && count($data)===6) { 491 return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 492 } else { 493 return false; //callback error 494 } 495 } 496 497 /** 498 * Saves an uploaded media file 499 * 500 * @author Andreas Gohr <andi@splitbrain.org> 501 * @author Michael Klier <chi@chimeric.de> 502 * @author Kate Arzamastseva <pshns@ukr.net> 503 * 504 * @param string $fn_tmp 505 * @param string $fn 506 * @param string $id media id 507 * @param string $imime mime type 508 * @param bool $overwrite overwrite existing? 509 * @param string $move function name 510 * @return array|string 511 */ 512 function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') { 513 global $conf; 514 global $lang; 515 global $REV; 516 517 $old = @filemtime($fn); 518 if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) { 519 // add old revision to the attic if missing 520 media_saveOldRevision($id); 521 } 522 523 // prepare directory 524 io_createNamespace($id, 'media'); 525 526 $filesize_old = file_exists($fn) ? filesize($fn) : 0; 527 528 if($move($fn_tmp, $fn)) { 529 @clearstatcache(true,$fn); 530 $new = @filemtime($fn); 531 // Set the correct permission here. 532 // Always chmod media because they may be saved with different permissions than expected from the php umask. 533 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 534 chmod($fn, $conf['fmode']); 535 msg($lang['uploadsucc'],1); 536 media_notify($id,$fn,$imime,$old,$new); 537 // add a log entry to the media changelog 538 $filesize_new = filesize($fn); 539 $sizechange = $filesize_new - $filesize_old; 540 if($REV) { 541 addMediaLogEntry( 542 $new, 543 $id, 544 DOKU_CHANGE_TYPE_REVERT, 545 sprintf($lang['restored'], dformat($REV)), 546 $REV, 547 null, 548 $sizechange 549 ); 550 } elseif($overwrite) { 551 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 552 } else { 553 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 554 } 555 return $id; 556 }else{ 557 return array($lang['uploadfail'],-1); 558 } 559 } 560 561 /** 562 * Moves the current version of media file to the media_attic 563 * directory 564 * 565 * @author Kate Arzamastseva <pshns@ukr.net> 566 * 567 * @param string $id 568 * @return int - revision date 569 */ 570 function media_saveOldRevision($id){ 571 global $conf, $lang; 572 573 $oldf = mediaFN($id); 574 if(!file_exists($oldf)) return ''; 575 $date = filemtime($oldf); 576 if (!$conf['mediarevisions']) return $date; 577 578 $medialog = new MediaChangeLog($id); 579 if (!$medialog->getRevisionInfo($date)) { 580 // there was an external edit, 581 // there is no log entry for current version of file 582 $sizechange = filesize($oldf); 583 if(!file_exists(mediaMetaFN($id, '.changes'))) { 584 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 585 } else { 586 $oldRev = $medialog->getRevisions(-1, 1); // from changelog 587 $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); 588 $filesize_old = filesize(mediaFN($id, $oldRev)); 589 $sizechange = $sizechange - $filesize_old; 590 591 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 592 } 593 } 594 595 $newf = mediaFN($id,$date); 596 io_makeFileDir($newf); 597 if(copy($oldf, $newf)) { 598 // Set the correct permission here. 599 // Always chmod media because they may be saved with different permissions than expected from the php umask. 600 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 601 chmod($newf, $conf['fmode']); 602 } 603 return $date; 604 } 605 606 /** 607 * This function checks if the uploaded content is really what the 608 * mimetype says it is. We also do spam checking for text types here. 609 * 610 * We need to do this stuff because we can not rely on the browser 611 * to do this check correctly. Yes, IE is broken as usual. 612 * 613 * @author Andreas Gohr <andi@splitbrain.org> 614 * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting 615 * @fixme check all 26 magic IE filetypes here? 616 * 617 * @param string $file path to file 618 * @param string $mime mimetype 619 * @return int 620 */ 621 function media_contentcheck($file,$mime){ 622 global $conf; 623 if($conf['iexssprotect']){ 624 $fh = @fopen($file, 'rb'); 625 if($fh){ 626 $bytes = fread($fh, 256); 627 fclose($fh); 628 if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){ 629 return -3; //XSS: possibly malicious content 630 } 631 } 632 } 633 if(substr($mime,0,6) == 'image/'){ 634 $info = @getimagesize($file); 635 if($mime == 'image/gif' && $info[2] != 1){ 636 return -1; // uploaded content did not match the file extension 637 }elseif($mime == 'image/jpeg' && $info[2] != 2){ 638 return -1; 639 }elseif($mime == 'image/png' && $info[2] != 3){ 640 return -1; 641 } 642 # fixme maybe check other images types as well 643 }elseif(substr($mime,0,5) == 'text/'){ 644 global $TEXT; 645 $TEXT = io_readFile($file); 646 if(checkwordblock()){ 647 return -2; //blocked by the spam blacklist 648 } 649 } 650 return 0; 651 } 652 653 /** 654 * Send a notify mail on uploads 655 * 656 * @author Andreas Gohr <andi@splitbrain.org> 657 * 658 * @param string $id media id 659 * @param string $file path to file 660 * @param string $mime mime type 661 * @param bool|int $old_rev revision timestamp or false 662 * @return bool 663 */ 664 function media_notify($id,$file,$mime,$old_rev=false,$current_rev=false){ 665 global $conf; 666 if(empty($conf['notify'])) return false; //notify enabled? 667 668 $subscription = new MediaSubscriptionSender(); 669 return $subscription->sendMediaDiff($conf['notify'], 'uploadmail', $id, $old_rev, $current_rev); 670 } 671 672 /** 673 * List all files in a given Media namespace 674 * 675 * @param string $ns namespace 676 * @param null|int $auth permission level 677 * @param string $jump id 678 * @param bool $fullscreenview 679 * @param bool|string $sort sorting order, false skips sorting 680 */ 681 function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){ 682 global $conf; 683 global $lang; 684 $ns = cleanID($ns); 685 686 // check auth our self if not given (needed for ajax calls) 687 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 688 689 if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL; 690 691 if($auth < AUTH_READ){ 692 // FIXME: print permission warning here instead? 693 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 694 }else{ 695 if (!$fullscreenview) { 696 media_uploadform($ns, $auth); 697 media_searchform($ns); 698 } 699 700 $dir = utf8_encodeFN(str_replace(':','/',$ns)); 701 $data = array(); 702 search($data,$conf['mediadir'],'search_media', 703 array('showmsg'=>true,'depth'=>1),$dir,1,$sort); 704 705 if(!count($data)){ 706 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 707 }else { 708 if ($fullscreenview) { 709 echo '<ul class="' . _media_get_list_type() . '">'; 710 } 711 foreach($data as $item){ 712 if (!$fullscreenview) { 713 media_printfile($item,$auth,$jump); 714 } else { 715 media_printfile_thumbs($item,$auth,$jump); 716 } 717 } 718 if ($fullscreenview) echo '</ul>'.NL; 719 } 720 } 721 } 722 723 /** 724 * Prints tabs for files list actions 725 * 726 * @author Kate Arzamastseva <pshns@ukr.net> 727 * @author Adrian Lang <mail@adrianlang.de> 728 * 729 * @param string $selected_tab - opened tab 730 */ 731 732 function media_tabs_files($selected_tab = ''){ 733 global $lang; 734 $tabs = array(); 735 foreach(array('files' => 'mediaselect', 736 'upload' => 'media_uploadtab', 737 'search' => 'media_searchtab') as $tab => $caption) { 738 $tabs[$tab] = array('href' => media_managerURL(['tab_files' => $tab], '&'), 739 'caption' => $lang[$caption]); 740 } 741 742 html_tabs($tabs, $selected_tab); 743 } 744 745 /** 746 * Prints tabs for files details actions 747 * 748 * @author Kate Arzamastseva <pshns@ukr.net> 749 * @param string $image filename of the current image 750 * @param string $selected_tab opened tab 751 */ 752 function media_tabs_details($image, $selected_tab = '') { 753 global $lang, $conf; 754 755 $tabs = array(); 756 $tabs['view'] = array('href' => media_managerURL(['tab_details' => 'view'], '&'), 757 'caption' => $lang['media_viewtab']); 758 759 list(, $mime) = mimetype($image); 760 if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) { 761 $tabs['edit'] = array('href' => media_managerURL(['tab_details' => 'edit'], '&'), 762 'caption' => $lang['media_edittab']); 763 } 764 if ($conf['mediarevisions']) { 765 $tabs['history'] = array('href' => media_managerURL(['tab_details' => 'history'], '&'), 766 'caption' => $lang['media_historytab']); 767 } 768 769 html_tabs($tabs, $selected_tab); 770 } 771 772 /** 773 * Prints options for the tab that displays a list of all files 774 * 775 * @author Kate Arzamastseva <pshns@ukr.net> 776 */ 777 function media_tab_files_options() { 778 global $lang; 779 global $INPUT; 780 global $ID; 781 782 $form = new Form([ 783 'method' => 'get', 784 'action' => wl($ID), 785 'class' => 'options' 786 ]); 787 $form->addTagOpen('div')->addClass('no'); 788 $form->setHiddenField('sectok', null); 789 $media_manager_params = media_managerURL([], '', false, true); 790 foreach ($media_manager_params as $pKey => $pVal) { 791 $form->setHiddenField($pKey, $pVal); 792 } 793 if ($INPUT->has('q')) { 794 $form->setHiddenField('q', $INPUT->str('q')); 795 } 796 $form->addHTML('<ul>'.NL); 797 foreach (array('list' => array('listType', array('thumbs', 'rows')), 798 'sort' => array('sortBy', array('name', 'date'))) 799 as $group => $content) { 800 $checked = "_media_get_$group}_type"; 801 $checked = $checked(); 802 803 $form->addHTML('<li class="'. $content[0] .'">'); 804 foreach ($content[1] as $option) { 805 $attrs = array(); 806 if ($checked == $option) { 807 $attrs['checked'] = 'checked'; 808 } 809 $radio = $form->addRadioButton( 810 $group.'_dwmedia', 811 $lang['media_'.$group.'_'.$option] 812 )->val($option)->id($content[0].'__'.$option)->addClass($option); 813 $radio->attrs($attrs); 814 } 815 $form->addHTML('</li>'.NL); 816 } 817 $form->addHTML('<li>'); 818 $form->addButton('', $lang['btn_apply'])->attr('type', 'submit'); 819 $form->addHTML('</li>'.NL); 820 $form->addHTML('</ul>'.NL); 821 $form->addTagClose('div'); 822 print $form->toHTML(); 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, $conf; 1051 1052 echo '<ul class="actions">'.DOKU_LF; 1053 1054 if ($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))) { 1055 1056 // delete button 1057 $form = new Form([ 1058 'id' => 'mediamanager__btn_delete', 1059 'action' => media_managerURL(['delete' => $image], '&'), 1060 ]); 1061 $form->addTagOpen('div')->addClass('no'); 1062 $form->addButton('', $lang['btn_delete'])->attr('type', 'submit'); 1063 $form->addTagClose('div'); 1064 echo '<li>'; 1065 echo $form->toHTML(); 1066 echo '</li>'.DOKU_LF; 1067 } 1068 1069 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1070 if ($auth >= $auth_ow && !$rev) { 1071 1072 // upload new version button 1073 $form = new Form([ 1074 'id' => 'mediamanager__btn_update', 1075 'action' => media_managerURL(['image' => $image, 'mediado' => 'update'], '&'), 1076 ]); 1077 $form->addTagOpen('div')->addClass('no'); 1078 $form->addButton('', $lang['media_update'])->attr('type', 'submit'); 1079 $form->addTagClose('div'); 1080 echo '<li>'; 1081 echo $form->toHTML(); 1082 echo '</li>'.DOKU_LF; 1083 } 1084 1085 if ($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))) { 1086 1087 // restore button 1088 $form = new Form([ 1089 'id' => 'mediamanager__btn_restore', 1090 'action'=>media_managerURL(['image' => $image], '&'), 1091 ]); 1092 $form->addTagOpen('div')->addClass('no'); 1093 $form->setHiddenField('mediado', 'restore'); 1094 $form->setHiddenField('rev', $rev); 1095 $form->addButton('', $lang['media_restore'])->attr('type', 'submit'); 1096 $form->addTagClose('div'); 1097 echo '<li>'; 1098 echo $form->toHTML(); 1099 echo '</li>'.DOKU_LF; 1100 } 1101 1102 echo '</ul>'.DOKU_LF; 1103 } 1104 1105 /** 1106 * Returns image width and height for mediamanager preview panel 1107 * 1108 * @author Kate Arzamastseva <pshns@ukr.net> 1109 * @param string $image 1110 * @param int|string $rev 1111 * @param JpegMeta|bool $meta 1112 * @param int $size 1113 * @return array|false 1114 */ 1115 function media_image_preview_size($image, $rev, $meta, $size = 500) { 1116 if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false; 1117 1118 $info = getimagesize(mediaFN($image, $rev)); 1119 $w = (int) $info[0]; 1120 $h = (int) $info[1]; 1121 1122 if($meta && ($w > $size || $h > $size)){ 1123 $ratio = $meta->getResizeRatio($size, $size); 1124 $w = floor($w * $ratio); 1125 $h = floor($h * $ratio); 1126 } 1127 return array($w, $h); 1128 } 1129 1130 /** 1131 * Returns the requested EXIF/IPTC tag from the image meta 1132 * 1133 * @author Kate Arzamastseva <pshns@ukr.net> 1134 * 1135 * @param array $tags array with tags, first existing is returned 1136 * @param JpegMeta $meta 1137 * @param string $alt alternative value 1138 * @return string 1139 */ 1140 function media_getTag($tags,$meta,$alt=''){ 1141 if($meta === false) return $alt; 1142 $info = $meta->getField($tags); 1143 if($info == false) return $alt; 1144 return $info; 1145 } 1146 1147 /** 1148 * Returns mediafile tags 1149 * 1150 * @author Kate Arzamastseva <pshns@ukr.net> 1151 * 1152 * @param JpegMeta $meta 1153 * @return array list of tags of the mediafile 1154 */ 1155 function media_file_tags($meta) { 1156 // load the field descriptions 1157 static $fields = null; 1158 if(is_null($fields)){ 1159 $config_files = getConfigFiles('mediameta'); 1160 foreach ($config_files as $config_file) { 1161 if(file_exists($config_file)) include($config_file); 1162 } 1163 } 1164 1165 $tags = array(); 1166 1167 foreach($fields as $key => $tag){ 1168 $t = array(); 1169 if (!empty($tag[0])) $t = array($tag[0]); 1170 if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]); 1171 $value = media_getTag($t, $meta); 1172 $tags[] = array('tag' => $tag, 'value' => $value); 1173 } 1174 1175 return $tags; 1176 } 1177 1178 /** 1179 * Prints mediafile tags 1180 * 1181 * @author Kate Arzamastseva <pshns@ukr.net> 1182 * 1183 * @param string $image image id 1184 * @param int $auth permission level 1185 * @param string|int $rev revision timestamp, or empty string 1186 * @param bool|JpegMeta $meta image object, or create one if false 1187 */ 1188 function media_details($image, $auth, $rev='', $meta=false) { 1189 global $lang; 1190 1191 if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev)); 1192 $tags = media_file_tags($meta); 1193 1194 echo '<dl>'.NL; 1195 foreach($tags as $tag){ 1196 if ($tag['value']) { 1197 $value = cleanText($tag['value']); 1198 echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>'; 1199 if ($tag['tag'][2] == 'date') echo dformat($value); 1200 else echo hsc($value); 1201 echo '</dd>'.NL; 1202 } 1203 } 1204 echo '</dl>'.NL; 1205 echo '<dl>'.NL; 1206 echo '<dt>'.$lang['reference'].':</dt>'; 1207 $media_usage = ft_mediause($image,true); 1208 if(count($media_usage) > 0){ 1209 foreach($media_usage as $path){ 1210 echo '<dd>'.html_wikilink($path).'</dd>'; 1211 } 1212 }else{ 1213 echo '<dd>'.$lang['nothingfound'].'</dd>'; 1214 } 1215 echo '</dl>'.NL; 1216 1217 } 1218 1219 /** 1220 * Shows difference between two revisions of file 1221 * 1222 * @author Kate Arzamastseva <pshns@ukr.net> 1223 * 1224 * @param string $image image id 1225 * @param string $ns 1226 * @param int $auth permission level 1227 * @param bool $fromajax 1228 * @return false|null|string 1229 */ 1230 function media_diff($image, $ns, $auth, $fromajax = false) { 1231 global $conf; 1232 global $INPUT; 1233 1234 if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return ''; 1235 1236 $rev1 = $INPUT->int('rev'); 1237 1238 $rev2 = $INPUT->ref('rev2'); 1239 if(is_array($rev2)){ 1240 $rev1 = (int) $rev2[0]; 1241 $rev2 = (int) $rev2[1]; 1242 1243 if(!$rev1){ 1244 $rev1 = $rev2; 1245 unset($rev2); 1246 } 1247 }else{ 1248 $rev2 = $INPUT->int('rev2'); 1249 } 1250 1251 if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false; 1252 if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false; 1253 1254 if($rev1 && $rev2){ // two specific revisions wanted 1255 // make sure order is correct (older on the left) 1256 if($rev1 < $rev2){ 1257 $l_rev = $rev1; 1258 $r_rev = $rev2; 1259 }else{ 1260 $l_rev = $rev2; 1261 $r_rev = $rev1; 1262 } 1263 }elseif($rev1){ // single revision given, compare to current 1264 $r_rev = ''; 1265 $l_rev = $rev1; 1266 }else{ // no revision was given, compare previous to current 1267 $r_rev = ''; 1268 $medialog = new MediaChangeLog($image); 1269 $revs = $medialog->getRevisions(0, 1); 1270 if (file_exists(mediaFN($image, $revs[0]))) { 1271 $l_rev = $revs[0]; 1272 } else { 1273 $l_rev = ''; 1274 } 1275 } 1276 1277 // prepare event data 1278 $data = array(); 1279 $data[0] = $image; 1280 $data[1] = $l_rev; 1281 $data[2] = $r_rev; 1282 $data[3] = $ns; 1283 $data[4] = $auth; 1284 $data[5] = $fromajax; 1285 1286 // trigger event 1287 return Event::createAndTrigger('MEDIA_DIFF', $data, '_media_file_diff', true); 1288 } 1289 1290 /** 1291 * Callback for media file diff 1292 * 1293 * @param array $data event data 1294 * @return false|null 1295 */ 1296 function _media_file_diff($data) { 1297 if(is_array($data) && count($data)===6) { 1298 media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 1299 } else { 1300 return false; 1301 } 1302 } 1303 1304 /** 1305 * Shows difference between two revisions of image 1306 * 1307 * @author Kate Arzamastseva <pshns@ukr.net> 1308 * 1309 * @param string $image 1310 * @param string|int $l_rev revision timestamp, or empty string 1311 * @param string|int $r_rev revision timestamp, or empty string 1312 * @param string $ns 1313 * @param int $auth permission level 1314 * @param bool $fromajax 1315 */ 1316 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax) { 1317 global $lang; 1318 global $INPUT; 1319 1320 $l_meta = new JpegMeta(mediaFN($image, $l_rev)); 1321 $r_meta = new JpegMeta(mediaFN($image, $r_rev)); 1322 1323 $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image); 1324 if ($is_img) { 1325 $l_size = media_image_preview_size($image, $l_rev, $l_meta); 1326 $r_size = media_image_preview_size($image, $r_rev, $r_meta); 1327 $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30)); 1328 1329 $difftype = $INPUT->str('difftype'); 1330 1331 if (!$fromajax) { 1332 $form = new Form([ 1333 'id' => 'mediamanager__form_diffview', 1334 'action' => media_managerURL([], '&'), 1335 'method' => 'get', 1336 'class' => 'diffView', 1337 ]); 1338 $form->addTagOpen('div')->addClass('no'); 1339 $form->setHiddenField('sectok', null); 1340 $form->setHiddenField('mediado', 'diff'); 1341 $form->setHiddenField('rev2[0]', $l_rev); 1342 $form->setHiddenField('rev2[1]', $r_rev); 1343 echo $form->toHTML(); 1344 1345 echo NL.'<div id="mediamanager__diff" >'.NL; 1346 } 1347 1348 if ($difftype == 'opacity' || $difftype == 'portions') { 1349 media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype); 1350 if (!$fromajax) echo '</div>'; 1351 return; 1352 } 1353 } 1354 1355 list($l_head, $r_head) = (new dokuwiki\Ui\Diff)->diffHead($l_rev, $r_rev, $image, true); 1356 1357 ?> 1358 <div class="table"> 1359 <table> 1360 <tr> 1361 <th><?php echo $l_head; ?></th> 1362 <th><?php echo $r_head; ?></th> 1363 </tr> 1364 <?php 1365 1366 echo '<tr class="image">'; 1367 echo '<td>'; 1368 media_preview($image, $auth, $l_rev, $l_meta); 1369 echo '</td>'; 1370 1371 echo '<td>'; 1372 media_preview($image, $auth, $r_rev, $r_meta); 1373 echo '</td>'; 1374 echo '</tr>'.NL; 1375 1376 echo '<tr class="actions">'; 1377 echo '<td>'; 1378 media_preview_buttons($image, $auth, $l_rev); 1379 echo '</td>'; 1380 1381 echo '<td>'; 1382 media_preview_buttons($image, $auth, $r_rev); 1383 echo '</td>'; 1384 echo '</tr>'.NL; 1385 1386 $l_tags = media_file_tags($l_meta); 1387 $r_tags = media_file_tags($r_meta); 1388 // FIXME r_tags-only stuff 1389 foreach ($l_tags as $key => $l_tag) { 1390 if ($l_tag['value'] != $r_tags[$key]['value']) { 1391 $r_tags[$key]['highlighted'] = true; 1392 $l_tags[$key]['highlighted'] = true; 1393 } else if (!$l_tag['value'] || !$r_tags[$key]['value']) { 1394 unset($r_tags[$key]); 1395 unset($l_tags[$key]); 1396 } 1397 } 1398 1399 echo '<tr>'; 1400 foreach(array($l_tags,$r_tags) as $tags){ 1401 echo '<td>'.NL; 1402 1403 echo '<dl class="img_tags">'; 1404 foreach($tags as $tag){ 1405 $value = cleanText($tag['value']); 1406 if (!$value) $value = '-'; 1407 echo '<dt>'.$lang[$tag['tag'][1]].'</dt>'; 1408 echo '<dd>'; 1409 if ($tag['highlighted']) { 1410 echo '<strong>'; 1411 } 1412 if ($tag['tag'][2] == 'date') echo dformat($value); 1413 else echo hsc($value); 1414 if ($tag['highlighted']) { 1415 echo '</strong>'; 1416 } 1417 echo '</dd>'; 1418 } 1419 echo '</dl>'.NL; 1420 1421 echo '</td>'; 1422 } 1423 echo '</tr>'.NL; 1424 1425 echo '</table>'.NL; 1426 echo '</div>'.NL; 1427 1428 if ($is_img && !$fromajax) echo '</div>'; 1429 } 1430 1431 /** 1432 * Prints two images side by side 1433 * and slider 1434 * 1435 * @author Kate Arzamastseva <pshns@ukr.net> 1436 * 1437 * @param string $image image id 1438 * @param int $l_rev revision timestamp, or empty string 1439 * @param int $r_rev revision timestamp, or empty string 1440 * @param array $l_size array with width and height 1441 * @param array $r_size array with width and height 1442 * @param string $type 1443 */ 1444 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) { 1445 if ($l_size != $r_size) { 1446 if ($r_size[0] > $l_size[0]) { 1447 $l_size = $r_size; 1448 } 1449 } 1450 1451 $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1452 $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1453 1454 $l_src = ml($image, $l_more); 1455 $r_src = ml($image, $r_more); 1456 1457 // slider 1458 echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL; 1459 1460 // two images in divs 1461 echo '<div class="imageDiff ' . $type . '">'.NL; 1462 echo '<div class="image1" style="max-width: '.$l_size[0].'px;">'; 1463 echo '<img src="'.$l_src.'" alt="" />'; 1464 echo '</div>'.NL; 1465 echo '<div class="image2" style="max-width: '.$l_size[0].'px;">'; 1466 echo '<img src="'.$r_src.'" alt="" />'; 1467 echo '</div>'.NL; 1468 echo '</div>'.NL; 1469 } 1470 1471 /** 1472 * Restores an old revision of a media file 1473 * 1474 * @param string $image media id 1475 * @param int $rev revision timestamp or empty string 1476 * @param int $auth 1477 * @return string - file's id 1478 * 1479 * @author Kate Arzamastseva <pshns@ukr.net> 1480 */ 1481 function media_restore($image, $rev, $auth){ 1482 global $conf; 1483 if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false; 1484 $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes'))); 1485 if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false; 1486 if (!$rev || !file_exists(mediaFN($image, $rev))) return false; 1487 list(,$imime,) = mimetype($image); 1488 $res = media_upload_finish(mediaFN($image, $rev), 1489 mediaFN($image), 1490 $image, 1491 $imime, 1492 true, 1493 'copy'); 1494 if (is_array($res)) { 1495 msg($res[0], $res[1]); 1496 return false; 1497 } 1498 return $res; 1499 } 1500 1501 /** 1502 * List all files found by the search request 1503 * 1504 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1505 * @author Andreas Gohr <gohr@cosmocode.de> 1506 * @author Kate Arzamastseva <pshns@ukr.net> 1507 * @triggers MEDIA_SEARCH 1508 * 1509 * @param string $query 1510 * @param string $ns 1511 * @param null|int $auth 1512 * @param bool $fullscreen 1513 * @param string $sort 1514 */ 1515 function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){ 1516 global $conf; 1517 global $lang; 1518 1519 $ns = cleanID($ns); 1520 $evdata = array( 1521 'ns' => $ns, 1522 'data' => array(), 1523 'query' => $query 1524 ); 1525 if (!blank($query)) { 1526 $evt = new Event('MEDIA_SEARCH', $evdata); 1527 if ($evt->advise_before()) { 1528 $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns'])); 1529 $quoted = preg_quote($evdata['query'],'/'); 1530 //apply globbing 1531 $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count); 1532 1533 //if we use globbing file name must match entirely but may be preceded by arbitrary namespace 1534 if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$'; 1535 1536 $pattern = '/'.$quoted.'/i'; 1537 search($evdata['data'], 1538 $conf['mediadir'], 1539 'search_media', 1540 array('showmsg'=>false,'pattern'=>$pattern), 1541 $dir, 1542 1, 1543 $sort); 1544 } 1545 $evt->advise_after(); 1546 unset($evt); 1547 } 1548 1549 if (!$fullscreen) { 1550 echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL; 1551 media_searchform($ns,$query); 1552 } 1553 1554 if(!count($evdata['data'])){ 1555 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 1556 }else { 1557 if ($fullscreen) { 1558 echo '<ul class="' . _media_get_list_type() . '">'; 1559 } 1560 foreach($evdata['data'] as $item){ 1561 if (!$fullscreen) media_printfile($item,$item['perm'],'',true); 1562 else media_printfile_thumbs($item,$item['perm'],false,true); 1563 } 1564 if ($fullscreen) echo '</ul>'.NL; 1565 } 1566 } 1567 1568 /** 1569 * Formats and prints one file in the list 1570 * 1571 * @param array $item 1572 * @param int $auth permission level 1573 * @param string $jump item id 1574 * @param bool $display_namespace 1575 */ 1576 function media_printfile($item,$auth,$jump,$display_namespace=false){ 1577 global $lang; 1578 1579 // Prepare zebra coloring 1580 // I always wanted to use this variable name :-D 1581 static $twibble = 1; 1582 $twibble *= -1; 1583 $zebra = ($twibble == -1) ? 'odd' : 'even'; 1584 1585 // Automatically jump to recent action 1586 if($jump == $item['id']) { 1587 $jump = ' id="scroll__here" '; 1588 }else{ 1589 $jump = ''; 1590 } 1591 1592 // Prepare fileicons 1593 list($ext) = mimetype($item['file'],false); 1594 $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext); 1595 $class = 'select mediafile mf_'.$class; 1596 1597 // Prepare filename 1598 $file = utf8_decodeFN($item['file']); 1599 1600 // Prepare info 1601 $info = ''; 1602 if($item['isimg']){ 1603 $info .= (int) $item['meta']->getField('File.Width'); 1604 $info .= '×'; 1605 $info .= (int) $item['meta']->getField('File.Height'); 1606 $info .= ' '; 1607 } 1608 $info .= '<i>'.dformat($item['mtime']).'</i>'; 1609 $info .= ' '; 1610 $info .= filesize_h($item['size']); 1611 1612 // output 1613 echo '<div class="'.$zebra.'"'.$jump.' title="'.hsc($item['id']).'">'.NL; 1614 if (!$display_namespace) { 1615 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> '; 1616 } else { 1617 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>'; 1618 } 1619 echo '<span class="info">('.$info.')</span>'.NL; 1620 1621 // view button 1622 $link = ml($item['id'],'',true); 1623 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '. 1624 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>'; 1625 1626 // mediamanager button 1627 $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id']))); 1628 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '. 1629 'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>'; 1630 1631 // delete button 1632 if($item['writable'] && $auth >= AUTH_DELETE){ 1633 $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']). 1634 '&sectok='.getSecurityToken(); 1635 echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'. 1636 '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '. 1637 'title="'.$lang['btn_delete'].'" class="btn" /></a>'; 1638 } 1639 1640 echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">'; 1641 echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>'; 1642 echo '</div>'; 1643 if($item['isimg']) media_printimgdetail($item); 1644 echo '<div class="clearer"></div>'.NL; 1645 echo '</div>'.NL; 1646 } 1647 1648 /** 1649 * Display a media icon 1650 * 1651 * @param string $filename media id 1652 * @param string $size the size subfolder, if not specified 16x16 is used 1653 * @return string html 1654 */ 1655 function media_printicon($filename, $size=''){ 1656 list($ext) = mimetype(mediaFN($filename),false); 1657 1658 if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) { 1659 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png'; 1660 } else { 1661 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png'; 1662 } 1663 1664 return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />'; 1665 } 1666 1667 /** 1668 * Formats and prints one file in the list in the thumbnails view 1669 * 1670 * @author Kate Arzamastseva <pshns@ukr.net> 1671 * 1672 * @param array $item 1673 * @param int $auth permission level 1674 * @param bool|string $jump item id 1675 * @param bool $display_namespace 1676 */ 1677 function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){ 1678 1679 // Prepare filename 1680 $file = utf8_decodeFN($item['file']); 1681 1682 // output 1683 echo '<li><dl title="'.hsc($item['id']).'">'.NL; 1684 1685 echo '<dt>'; 1686 if($item['isimg']) { 1687 media_printimgdetail($item, true); 1688 1689 } else { 1690 echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'. 1691 media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 1692 'tab_details' => 'view']).'">'; 1693 echo media_printicon($item['id'], '32x32'); 1694 echo '</a>'; 1695 } 1696 echo '</dt>'.NL; 1697 if (!$display_namespace) { 1698 $name = hsc($file); 1699 } else { 1700 $name = hsc($item['id']); 1701 } 1702 echo '<dd class="name"><a href="'.media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 1703 'tab_details' => 'view']).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL; 1704 1705 if($item['isimg']){ 1706 $size = ''; 1707 $size .= (int) $item['meta']->getField('File.Width'); 1708 $size .= '×'; 1709 $size .= (int) $item['meta']->getField('File.Height'); 1710 echo '<dd class="size">'.$size.'</dd>'.NL; 1711 } else { 1712 echo '<dd class="size"> </dd>'.NL; 1713 } 1714 $date = dformat($item['mtime']); 1715 echo '<dd class="date">'.$date.'</dd>'.NL; 1716 $filesize = filesize_h($item['size']); 1717 echo '<dd class="filesize">'.$filesize.'</dd>'.NL; 1718 echo '</dl></li>'.NL; 1719 } 1720 1721 /** 1722 * Prints a thumbnail and metainfo 1723 * 1724 * @param array $item 1725 * @param bool $fullscreen 1726 */ 1727 function media_printimgdetail($item, $fullscreen=false){ 1728 // prepare thumbnail 1729 $size = $fullscreen ? 90 : 120; 1730 1731 $w = (int) $item['meta']->getField('File.Width'); 1732 $h = (int) $item['meta']->getField('File.Height'); 1733 if($w>$size || $h>$size){ 1734 if (!$fullscreen) { 1735 $ratio = $item['meta']->getResizeRatio($size); 1736 } else { 1737 $ratio = $item['meta']->getResizeRatio($size,$size); 1738 } 1739 $w = floor($w * $ratio); 1740 $h = floor($h * $ratio); 1741 } 1742 $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime'])); 1743 $p = array(); 1744 if (!$fullscreen) { 1745 // In fullscreen mediamanager view, image resizing is done via CSS. 1746 $p['width'] = $w; 1747 $p['height'] = $h; 1748 } 1749 $p['alt'] = $item['id']; 1750 $att = buildAttributes($p); 1751 1752 // output 1753 if ($fullscreen) { 1754 echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'. 1755 media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view']).'">'; 1756 echo '<img src="'.$src.'" '.$att.' />'; 1757 echo '</a>'; 1758 } 1759 1760 if ($fullscreen) return; 1761 1762 echo '<div class="detail">'; 1763 echo '<div class="thumb">'; 1764 echo '<a id="d_:'.$item['id'].'" class="select">'; 1765 echo '<img src="'.$src.'" '.$att.' />'; 1766 echo '</a>'; 1767 echo '</div>'; 1768 1769 // read EXIF/IPTC data 1770 $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title')); 1771 $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment', 1772 'EXIF.TIFFImageDescription', 1773 'EXIF.TIFFUserComment')); 1774 if(\dokuwiki\Utf8\PhpString::strlen($d) > 250) $d = \dokuwiki\Utf8\PhpString::substr($d,0,250).'...'; 1775 $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject')); 1776 1777 // print EXIF/IPTC data 1778 if($t || $d || $k ){ 1779 echo '<p>'; 1780 if($t) echo '<strong>'.hsc($t).'</strong><br />'; 1781 if($d) echo hsc($d).'<br />'; 1782 if($t) echo '<em>'.hsc($k).'</em>'; 1783 echo '</p>'; 1784 } 1785 echo '</div>'; 1786 } 1787 1788 /** 1789 * Build link based on the current, adding/rewriting parameters 1790 * 1791 * @author Kate Arzamastseva <pshns@ukr.net> 1792 * 1793 * @param array|bool $params 1794 * @param string $amp separator 1795 * @param bool $abs absolute url? 1796 * @param bool $params_array return the parmeters array? 1797 * @return string|array - link or link parameters 1798 */ 1799 function media_managerURL($params = false, $amp = '&', $abs = false, $params_array = false) { 1800 global $ID; 1801 global $INPUT; 1802 1803 $gets = array('do' => 'media'); 1804 $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'); 1805 foreach ($media_manager_params as $x) { 1806 if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x); 1807 } 1808 1809 if ($params) { 1810 $gets = $params + $gets; 1811 } 1812 unset($gets['id']); 1813 if (isset($gets['delete'])) { 1814 unset($gets['image']); 1815 unset($gets['tab_details']); 1816 } 1817 1818 if ($params_array) return $gets; 1819 1820 return wl($ID,$gets,$abs,$amp); 1821 } 1822 1823 /** 1824 * Print the media upload form if permissions are correct 1825 * 1826 * @author Andreas Gohr <andi@splitbrain.org> 1827 * @author Kate Arzamastseva <pshns@ukr.net> 1828 * 1829 * @param string $ns 1830 * @param int $auth permission level 1831 * @param bool $fullscreen 1832 */ 1833 function media_uploadform($ns, $auth, $fullscreen = false) { 1834 global $lang; 1835 global $conf; 1836 global $INPUT; 1837 1838 if ($auth < AUTH_UPLOAD) { 1839 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 1840 return; 1841 } 1842 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1843 1844 $update = false; 1845 $id = ''; 1846 if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') { 1847 $update = true; 1848 $id = cleanID($INPUT->str('image')); 1849 } 1850 1851 // The default HTML upload form 1852 $form = new Form([ 1853 'id' => 'dw__upload', 1854 'enctype' => 'multipart/form-data', 1855 'action' => ($fullscreen) 1856 ? media_managerURL(['tab_files' => 'files', 'tab_details' => 'view'], '&') 1857 : DOKU_BASE.'lib/exe/mediamanager.php', 1858 ]); 1859 $form->addTagOpen('div')->addClass('no'); 1860 $form->setHiddenField('ns', hsc($ns)); // FIXME hsc required? 1861 $form->addTagOpen('p'); 1862 $form->addTextInput('upload', $lang['txt_upload'])->id('upload__file') 1863 ->attrs(['type' => 'file']); 1864 $form->addTagClose('p'); 1865 $form->addTagOpen('p'); 1866 $form->addTextInput('mediaid', $lang['txt_filename'])->id('upload__name') 1867 ->val(noNS($id)); 1868 $form->addButton('', $lang['btn_upload'])->attr('type', 'submit'); 1869 $form->addTagClose('p'); 1870 if ($auth >= $auth_ow){ 1871 $form->addTagOpen('p'); 1872 $attrs = array(); 1873 if ($update) $attrs['checked'] = 'checked'; 1874 $form->addCheckbox('ow', $lang['txt_overwrt'])->id('dw__ow')->val('1') 1875 ->addClass('check')->attrs($attrs); 1876 $form->addTagClose('p'); 1877 } 1878 $form->addTagClose('div'); 1879 1880 if (!$fullscreen) { 1881 echo '<div class="upload">'. $lang['mediaupload'] .'</div>'.DOKU_LF; 1882 } else { 1883 echo DOKU_LF; 1884 } 1885 1886 echo '<div id="mediamanager__uploader">'.DOKU_LF; 1887 echo $form->toHTML('Upload'); 1888 echo '</div>'.DOKU_LF; 1889 1890 echo '<p class="maxsize">'; 1891 printf($lang['maxuploadsize'], filesize_h(media_getuploadsize())); 1892 echo ' <a class="allowedmime" href="#">'. $lang['allowedmime'] .'</a>'; 1893 echo ' <span>'. implode(', ', array_keys(getMimeTypes())) .'</span>'; 1894 echo '</p>'.DOKU_LF; 1895 } 1896 1897 /** 1898 * Returns the size uploaded files may have 1899 * 1900 * This uses a conservative approach using the lowest number found 1901 * in any of the limiting ini settings 1902 * 1903 * @returns int size in bytes 1904 */ 1905 function media_getuploadsize(){ 1906 $okay = 0; 1907 1908 $post = (int) php_to_byte(@ini_get('post_max_size')); 1909 $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length')); 1910 $upld = (int) php_to_byte(@ini_get('upload_max_filesize')); 1911 1912 if($post && ($post < $okay || $okay == 0)) $okay = $post; 1913 if($suho && ($suho < $okay || $okay == 0)) $okay = $suho; 1914 if($upld && ($upld < $okay || $okay == 0)) $okay = $upld; 1915 1916 return $okay; 1917 } 1918 1919 /** 1920 * Print the search field form 1921 * 1922 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1923 * @author Kate Arzamastseva <pshns@ukr.net> 1924 * 1925 * @param string $ns 1926 * @param string $query 1927 * @param bool $fullscreen 1928 */ 1929 function media_searchform($ns, $query = '', $fullscreen = false) { 1930 global $lang; 1931 1932 // The default HTML search form 1933 $form = new Form([ 1934 'id' => 'dw__mediasearch', 1935 'action' => ($fullscreen) 1936 ? media_managerURL([], '&') 1937 : DOKU_BASE.'lib/exe/mediamanager.php', 1938 ]); 1939 $form->addTagOpen('div')->addClass('no'); 1940 $form->setHiddenField('ns', $ns); 1941 $form->setHiddenField($fullscreen ? 'mediado' : 'do', 'searchlist'); 1942 1943 $form->addTagOpen('p'); 1944 $form->addTextInput('q', $lang['searchmedia']) 1945 ->attr('title', sprintf($lang['searchmedia_in'], hsc($ns) .':*')) 1946 ->val($query); 1947 $form->addHTML(' '); 1948 $form->addButton('', $lang['btn_search'])->attr('type', 'submit'); 1949 $form->addTagClose('p'); 1950 $form->addTagClose('div'); 1951 print $form->toHTML('SearchMedia'); 1952 } 1953 1954 /** 1955 * Build a tree outline of available media namespaces 1956 * 1957 * @author Andreas Gohr <andi@splitbrain.org> 1958 * 1959 * @param string $ns 1960 */ 1961 function media_nstree($ns){ 1962 global $conf; 1963 global $lang; 1964 1965 // currently selected namespace 1966 $ns = cleanID($ns); 1967 if(empty($ns)){ 1968 global $ID; 1969 $ns = (string)getNS($ID); 1970 } 1971 1972 $ns_dir = utf8_encodeFN(str_replace(':','/',$ns)); 1973 1974 $data = array(); 1975 search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true)); 1976 1977 // wrap a list with the root level around the other namespaces 1978 array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true', 1979 'label' => '['.$lang['mediaroot'].']')); 1980 1981 // insert the current ns into the hierarchy if it isn't already part of it 1982 $ns_parts = explode(':', $ns); 1983 $tmp_ns = ''; 1984 $pos = 0; 1985 foreach ($ns_parts as $level => $part) { 1986 if ($tmp_ns) $tmp_ns .= ':'.$part; 1987 else $tmp_ns = $part; 1988 1989 // find the namespace parts or insert them 1990 while ($data[$pos]['id'] != $tmp_ns) { 1991 if ( 1992 $pos >= count($data) || 1993 ($data[$pos]['level'] <= $level+1 && Sort::strcmp($data[$pos]['id'], $tmp_ns) > 0) 1994 ) { 1995 array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true'))); 1996 break; 1997 } 1998 ++$pos; 1999 } 2000 } 2001 2002 echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li'); 2003 } 2004 2005 /** 2006 * Userfunction for html_buildlist 2007 * 2008 * Prints a media namespace tree item 2009 * 2010 * @author Andreas Gohr <andi@splitbrain.org> 2011 * 2012 * @param array $item 2013 * @return string html 2014 */ 2015 function media_nstree_item($item){ 2016 global $INPUT; 2017 $pos = strrpos($item['id'], ':'); 2018 $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0); 2019 if(empty($item['label'])) $item['label'] = $label; 2020 2021 $ret = ''; 2022 if (!($INPUT->str('do') == 'media')) 2023 $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">'; 2024 else $ret .= '<a href="'.media_managerURL(['ns' => idfilter($item['id'], false), 'tab_files' => 'files']) 2025 .'" class="idx_dir">'; 2026 $ret .= $item['label']; 2027 $ret .= '</a>'; 2028 return $ret; 2029 } 2030 2031 /** 2032 * Userfunction for html_buildlist 2033 * 2034 * Prints a media namespace tree item opener 2035 * 2036 * @author Andreas Gohr <andi@splitbrain.org> 2037 * 2038 * @param array $item 2039 * @return string html 2040 */ 2041 function media_nstree_li($item){ 2042 $class='media level'.$item['level']; 2043 if($item['open']){ 2044 $class .= ' open'; 2045 $img = DOKU_BASE.'lib/images/minus.gif'; 2046 $alt = '−'; 2047 }else{ 2048 $class .= ' closed'; 2049 $img = DOKU_BASE.'lib/images/plus.gif'; 2050 $alt = '+'; 2051 } 2052 // TODO: only deliver an image if it actually has a subtree... 2053 return '<li class="'.$class.'">'. 2054 '<img src="'.$img.'" alt="'.$alt.'" />'; 2055 } 2056 2057 /** 2058 * Resizes the given image to the given size 2059 * 2060 * @author Andreas Gohr <andi@splitbrain.org> 2061 * 2062 * @param string $file filename, path to file 2063 * @param string $ext extension 2064 * @param int $w desired width 2065 * @param int $h desired height 2066 * @return string path to resized or original size if failed 2067 */ 2068 function media_resize_image($file, $ext, $w, $h=0){ 2069 global $conf; 2070 if(!$h) $h = $w; 2071 // we wont scale up to infinity 2072 if($w > 2000 || $h > 2000) return $file; 2073 2074 //cache 2075 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext); 2076 $mtime = (int) @filemtime($local); // 0 if not exists 2077 2078 $options = [ 2079 'quality' => $conf['jpg_quality'], 2080 'imconvert' => $conf['im_convert'], 2081 ]; 2082 2083 if( $mtime <= (int) @filemtime($file) ) { 2084 try { 2085 \splitbrain\slika\Slika::run($file, $options) 2086 ->autorotate() 2087 ->resize($w, $h) 2088 ->save($local, $ext); 2089 if($conf['fperm']) @chmod($local, $conf['fperm']); 2090 } catch (\splitbrain\slika\Exception $e) { 2091 dbglog($e->getMessage()); 2092 return $file; 2093 } 2094 } 2095 2096 return $local; 2097 } 2098 2099 /** 2100 * Center crops the given image to the wanted size 2101 * 2102 * @author Andreas Gohr <andi@splitbrain.org> 2103 * 2104 * @param string $file filename, path to file 2105 * @param string $ext extension 2106 * @param int $w desired width 2107 * @param int $h desired height 2108 * @return string path to resized or original size if failed 2109 */ 2110 function media_crop_image($file, $ext, $w, $h=0){ 2111 global $conf; 2112 if(!$h) $h = $w; 2113 // we wont scale up to infinity 2114 if($w > 2000 || $h > 2000) return $file; 2115 2116 //cache 2117 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.crop.'.$ext); 2118 $mtime = (int) @filemtime($local); // 0 if not exists 2119 2120 $options = [ 2121 'quality' => $conf['jpg_quality'], 2122 'imconvert' => $conf['im_convert'], 2123 ]; 2124 2125 if( $mtime <= (int) @filemtime($file) ) { 2126 try { 2127 \splitbrain\slika\Slika::run($file, $options) 2128 ->autorotate() 2129 ->crop($w, $h) 2130 ->save($local, $ext); 2131 if($conf['fperm']) @chmod($local, $conf['fperm']); 2132 } catch (\splitbrain\slika\Exception $e) { 2133 dbglog($e->getMessage()); 2134 return $file; 2135 } 2136 } 2137 2138 return $local; 2139 } 2140 2141 /** 2142 * Calculate a token to be used to verify fetch requests for resized or 2143 * cropped images have been internally generated - and prevent external 2144 * DDOS attacks via fetch 2145 * 2146 * @author Christopher Smith <chris@jalakai.co.uk> 2147 * 2148 * @param string $id id of the image 2149 * @param int $w resize/crop width 2150 * @param int $h resize/crop height 2151 * @return string token or empty string if no token required 2152 */ 2153 function media_get_token($id,$w,$h){ 2154 // token is only required for modified images 2155 if ($w || $h || media_isexternal($id)) { 2156 $token = $id; 2157 if ($w) $token .= '.'.$w; 2158 if ($h) $token .= '.'.$h; 2159 2160 return substr(\dokuwiki\PassHash::hmac('md5', $token, auth_cookiesalt()),0,6); 2161 } 2162 2163 return ''; 2164 } 2165 2166 /** 2167 * Download a remote file and return local filename 2168 * 2169 * returns false if download fails. Uses cached file if available and 2170 * wanted 2171 * 2172 * @author Andreas Gohr <andi@splitbrain.org> 2173 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2174 * 2175 * @param string $url 2176 * @param string $ext extension 2177 * @param int $cache cachetime in seconds 2178 * @return false|string path to cached file 2179 */ 2180 function media_get_from_URL($url,$ext,$cache){ 2181 global $conf; 2182 2183 // if no cache or fetchsize just redirect 2184 if ($cache==0) return false; 2185 if (!$conf['fetchsize']) return false; 2186 2187 $local = getCacheName(strtolower($url),".media.$ext"); 2188 $mtime = @filemtime($local); // 0 if not exists 2189 2190 //decide if download needed: 2191 if(($mtime == 0) || // cache does not exist 2192 ($cache != -1 && $mtime < time() - $cache) // 'recache' and cache has expired 2193 ) { 2194 if(media_image_download($url, $local)) { 2195 return $local; 2196 } else { 2197 return false; 2198 } 2199 } 2200 2201 //if cache exists use it else 2202 if($mtime) return $local; 2203 2204 //else return false 2205 return false; 2206 } 2207 2208 /** 2209 * Download image files 2210 * 2211 * @author Andreas Gohr <andi@splitbrain.org> 2212 * 2213 * @param string $url 2214 * @param string $file path to file in which to put the downloaded content 2215 * @return bool 2216 */ 2217 function media_image_download($url,$file){ 2218 global $conf; 2219 $http = new DokuHTTPClient(); 2220 $http->keep_alive = false; // we do single ops here, no need for keep-alive 2221 2222 $http->max_bodysize = $conf['fetchsize']; 2223 $http->timeout = 25; //max. 25 sec 2224 $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i'; 2225 2226 $data = $http->get($url); 2227 if(!$data) return false; 2228 2229 $fileexists = file_exists($file); 2230 $fp = @fopen($file,"w"); 2231 if(!$fp) return false; 2232 fwrite($fp,$data); 2233 fclose($fp); 2234 if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']); 2235 2236 // check if it is really an image 2237 $info = @getimagesize($file); 2238 if(!$info){ 2239 @unlink($file); 2240 return false; 2241 } 2242 2243 return true; 2244 } 2245 2246 /** 2247 * resize images using external ImageMagick convert program 2248 * 2249 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2250 * @author Andreas Gohr <andi@splitbrain.org> 2251 * 2252 * @param string $ext extension 2253 * @param string $from filename path to file 2254 * @param int $from_w original width 2255 * @param int $from_h original height 2256 * @param string $to path to resized file 2257 * @param int $to_w desired width 2258 * @param int $to_h desired height 2259 * @return bool 2260 */ 2261 function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){ 2262 global $conf; 2263 2264 // check if convert is configured 2265 if(!$conf['im_convert']) return false; 2266 2267 // prepare command 2268 $cmd = $conf['im_convert']; 2269 $cmd .= ' -resize '.$to_w.'x'.$to_h.'!'; 2270 if ($ext == 'jpg' || $ext == 'jpeg') { 2271 $cmd .= ' -quality '.$conf['jpg_quality']; 2272 } 2273 $cmd .= " $from $to"; 2274 2275 @exec($cmd,$out,$retval); 2276 if ($retval == 0) return true; 2277 return false; 2278 } 2279 2280 /** 2281 * crop images using external ImageMagick convert program 2282 * 2283 * @author Andreas Gohr <andi@splitbrain.org> 2284 * 2285 * @param string $ext extension 2286 * @param string $from filename path to file 2287 * @param int $from_w original width 2288 * @param int $from_h original height 2289 * @param string $to path to resized file 2290 * @param int $to_w desired width 2291 * @param int $to_h desired height 2292 * @param int $ofs_x offset of crop centre 2293 * @param int $ofs_y offset of crop centre 2294 * @return bool 2295 * @deprecated 2020-09-01 2296 */ 2297 function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){ 2298 global $conf; 2299 dbg_deprecated('splitbrain\\Slika'); 2300 2301 // check if convert is configured 2302 if(!$conf['im_convert']) return false; 2303 2304 // prepare command 2305 $cmd = $conf['im_convert']; 2306 $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y; 2307 if ($ext == 'jpg' || $ext == 'jpeg') { 2308 $cmd .= ' -quality '.$conf['jpg_quality']; 2309 } 2310 $cmd .= " $from $to"; 2311 2312 @exec($cmd,$out,$retval); 2313 if ($retval == 0) return true; 2314 return false; 2315 } 2316 2317 /** 2318 * resize or crop images using PHP's libGD support 2319 * 2320 * @author Andreas Gohr <andi@splitbrain.org> 2321 * @author Sebastian Wienecke <s_wienecke@web.de> 2322 * 2323 * @param string $ext extension 2324 * @param string $from filename path to file 2325 * @param int $from_w original width 2326 * @param int $from_h original height 2327 * @param string $to path to resized file 2328 * @param int $to_w desired width 2329 * @param int $to_h desired height 2330 * @param int $ofs_x offset of crop centre 2331 * @param int $ofs_y offset of crop centre 2332 * @return bool 2333 * @deprecated 2020-09-01 2334 */ 2335 function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){ 2336 global $conf; 2337 dbg_deprecated('splitbrain\\Slika'); 2338 2339 if($conf['gdlib'] < 1) return false; //no GDlib available or wanted 2340 2341 // check available memory 2342 if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){ 2343 return false; 2344 } 2345 2346 // create an image of the given filetype 2347 $image = false; 2348 if ($ext == 'jpg' || $ext == 'jpeg'){ 2349 if(!function_exists("imagecreatefromjpeg")) return false; 2350 $image = @imagecreatefromjpeg($from); 2351 }elseif($ext == 'png') { 2352 if(!function_exists("imagecreatefrompng")) return false; 2353 $image = @imagecreatefrompng($from); 2354 2355 }elseif($ext == 'gif') { 2356 if(!function_exists("imagecreatefromgif")) return false; 2357 $image = @imagecreatefromgif($from); 2358 } 2359 if(!$image) return false; 2360 2361 $newimg = false; 2362 if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){ 2363 $newimg = @imagecreatetruecolor ($to_w, $to_h); 2364 } 2365 if(!$newimg) $newimg = @imagecreate($to_w, $to_h); 2366 if(!$newimg){ 2367 imagedestroy($image); 2368 return false; 2369 } 2370 2371 //keep png alpha channel if possible 2372 if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){ 2373 imagealphablending($newimg, false); 2374 imagesavealpha($newimg,true); 2375 } 2376 2377 //keep gif transparent color if possible 2378 if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) { 2379 if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) { 2380 $transcolorindex = @imagecolortransparent($image); 2381 if($transcolorindex >= 0 ) { //transparent color exists 2382 $transcolor = @imagecolorsforindex($image, $transcolorindex); 2383 $transcolorindex = @imagecolorallocate( 2384 $newimg, 2385 $transcolor['red'], 2386 $transcolor['green'], 2387 $transcolor['blue'] 2388 ); 2389 @imagefill($newimg, 0, 0, $transcolorindex); 2390 @imagecolortransparent($newimg, $transcolorindex); 2391 }else{ //filling with white 2392 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2393 @imagefill($newimg, 0, 0, $whitecolorindex); 2394 } 2395 }else{ //filling with white 2396 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2397 @imagefill($newimg, 0, 0, $whitecolorindex); 2398 } 2399 } 2400 2401 //try resampling first 2402 if(function_exists("imagecopyresampled")){ 2403 if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) { 2404 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2405 } 2406 }else{ 2407 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2408 } 2409 2410 $okay = false; 2411 if ($ext == 'jpg' || $ext == 'jpeg'){ 2412 if(!function_exists('imagejpeg')){ 2413 $okay = false; 2414 }else{ 2415 $okay = imagejpeg($newimg, $to, $conf['jpg_quality']); 2416 } 2417 }elseif($ext == 'png') { 2418 if(!function_exists('imagepng')){ 2419 $okay = false; 2420 }else{ 2421 $okay = imagepng($newimg, $to); 2422 } 2423 }elseif($ext == 'gif') { 2424 if(!function_exists('imagegif')){ 2425 $okay = false; 2426 }else{ 2427 $okay = imagegif($newimg, $to); 2428 } 2429 } 2430 2431 // destroy GD image ressources 2432 if($image) imagedestroy($image); 2433 if($newimg) imagedestroy($newimg); 2434 2435 return $okay; 2436 } 2437 2438 /** 2439 * Return other media files with the same base name 2440 * but different extensions. 2441 * 2442 * @param string $src - ID of media file 2443 * @param string[] $exts - alternative extensions to find other files for 2444 * @return array - array(mime type => file ID) 2445 * 2446 * @author Anika Henke <anika@selfthinker.org> 2447 */ 2448 function media_alternativefiles($src, $exts){ 2449 2450 $files = array(); 2451 list($srcExt, /* $srcMime */) = mimetype($src); 2452 $filebase = substr($src, 0, -1 * (strlen($srcExt)+1)); 2453 2454 foreach($exts as $ext) { 2455 $fileid = $filebase.'.'.$ext; 2456 $file = mediaFN($fileid); 2457 if(file_exists($file)) { 2458 list(/* $fileExt */, $fileMime) = mimetype($file); 2459 $files[$fileMime] = $fileid; 2460 } 2461 } 2462 return $files; 2463 } 2464 2465 /** 2466 * Check if video/audio is supported to be embedded. 2467 * 2468 * @param string $mime - mimetype of media file 2469 * @param string $type - type of media files to check ('video', 'audio', or null for all) 2470 * @return boolean 2471 * 2472 * @author Anika Henke <anika@selfthinker.org> 2473 */ 2474 function media_supportedav($mime, $type=NULL){ 2475 $supportedAudio = array( 2476 'ogg' => 'audio/ogg', 2477 'mp3' => 'audio/mpeg', 2478 'wav' => 'audio/wav', 2479 ); 2480 $supportedVideo = array( 2481 'webm' => 'video/webm', 2482 'ogv' => 'video/ogg', 2483 'mp4' => 'video/mp4', 2484 ); 2485 if ($type == 'audio') { 2486 $supportedAv = $supportedAudio; 2487 } elseif ($type == 'video') { 2488 $supportedAv = $supportedVideo; 2489 } else { 2490 $supportedAv = array_merge($supportedAudio, $supportedVideo); 2491 } 2492 return in_array($mime, $supportedAv); 2493 } 2494 2495 /** 2496 * Return track media files with the same base name 2497 * but extensions that indicate kind and lang. 2498 * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt... 2499 * 2500 * @param string $src - ID of media file 2501 * @return array - array(mediaID => array( kind, srclang )) 2502 * 2503 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 2504 */ 2505 function media_trackfiles($src){ 2506 $kinds=array( 2507 'sub' => 'subtitles', 2508 'cap' => 'captions', 2509 'des' => 'descriptions', 2510 'cha' => 'chapters', 2511 'met' => 'metadata' 2512 ); 2513 2514 $files = array(); 2515 $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/'; 2516 $baseid=pathinfo($src, PATHINFO_FILENAME); 2517 $pattern=mediaFN($baseid).'.*.*.vtt'; 2518 $list=glob($pattern); 2519 foreach($list as $track) { 2520 if(preg_match($re, $track, $matches)){ 2521 $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array( 2522 $kinds[$matches[1]], 2523 $matches[2], 2524 ); 2525 } 2526 } 2527 return $files; 2528 } 2529 2530 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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