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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 define('DOKU_MEDIA_DELETED', 1); 234 define('DOKU_MEDIA_NOT_AUTH', 2); 235 define('DOKU_MEDIA_INUSE', 4); 236 define('DOKU_MEDIA_EMPTY_NS', 8); 237 238 /** 239 * Handles media file deletions 240 * 241 * If configured, checks for media references before deletion 242 * 243 * @author Andreas Gohr <andi@splitbrain.org> 244 * 245 * @param string $id media id 246 * @param int $auth no longer used 247 * @return int One of: 0, 248 * DOKU_MEDIA_DELETED, 249 * DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS, 250 * DOKU_MEDIA_NOT_AUTH, 251 * DOKU_MEDIA_INUSE 252 */ 253 function media_delete($id,$auth){ 254 global $lang; 255 $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':')); 256 if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH; 257 if(media_inuse($id)) return DOKU_MEDIA_INUSE; 258 259 $file = mediaFN($id); 260 261 // trigger an event - MEDIA_DELETE_FILE 262 $data = array(); 263 $data['id'] = $id; 264 $data['name'] = \dokuwiki\Utf8\PhpString::basename($file); 265 $data['path'] = $file; 266 $data['size'] = (file_exists($file)) ? filesize($file) : 0; 267 268 $data['unl'] = false; 269 $data['del'] = false; 270 $evt = new Event('MEDIA_DELETE_FILE',$data); 271 if ($evt->advise_before()) { 272 $old = @filemtime($file); 273 if(!file_exists(mediaFN($id, $old)) && file_exists($file)) { 274 // add old revision to the attic 275 media_saveOldRevision($id); 276 } 277 278 $data['unl'] = @unlink($file); 279 if($data['unl']) { 280 $sizechange = 0 - $data['size']; 281 addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange); 282 283 $data['del'] = io_sweepNS($id, 'mediadir'); 284 } 285 } 286 $evt->advise_after(); 287 unset($evt); 288 289 if($data['unl'] && $data['del']){ 290 return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS; 291 } 292 293 return $data['unl'] ? DOKU_MEDIA_DELETED : 0; 294 } 295 296 /** 297 * Handle file uploads via XMLHttpRequest 298 * 299 * @param string $ns target namespace 300 * @param int $auth current auth check result 301 * @return false|string false on error, id of the new file on success 302 */ 303 function media_upload_xhr($ns,$auth){ 304 if(!checkSecurityToken()) return false; 305 global $INPUT; 306 307 $id = $INPUT->get->str('qqfile'); 308 list($ext,$mime) = mimetype($id); 309 $input = fopen("php://input", "r"); 310 if (!($tmp = io_mktmpdir())) return false; 311 $path = $tmp.'/'.md5($id); 312 $target = fopen($path, "w"); 313 $realSize = stream_copy_to_stream($input, $target); 314 fclose($target); 315 fclose($input); 316 if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){ 317 unlink($path); 318 return false; 319 } 320 321 $res = media_save( 322 array('name' => $path, 323 'mime' => $mime, 324 'ext' => $ext), 325 $ns.':'.$id, 326 (($INPUT->get->str('ow') == 'true') ? true : false), 327 $auth, 328 'copy' 329 ); 330 unlink($path); 331 if ($tmp) io_rmdir($tmp, true); 332 if (is_array($res)) { 333 msg($res[0], $res[1]); 334 return false; 335 } 336 return $res; 337 } 338 339 /** 340 * Handles media file uploads 341 * 342 * @author Andreas Gohr <andi@splitbrain.org> 343 * @author Michael Klier <chi@chimeric.de> 344 * 345 * @param string $ns target namespace 346 * @param int $auth current auth check result 347 * @param bool|array $file $_FILES member, $_FILES['upload'] if false 348 * @return false|string false on error, id of the new file on success 349 */ 350 function media_upload($ns,$auth,$file=false){ 351 if(!checkSecurityToken()) return false; 352 global $lang; 353 global $INPUT; 354 355 // get file and id 356 $id = $INPUT->post->str('mediaid'); 357 if (!$file) $file = $_FILES['upload']; 358 if(empty($id)) $id = $file['name']; 359 360 // check for errors (messages are done in lib/exe/mediamanager.php) 361 if($file['error']) return false; 362 363 // check extensions 364 list($fext,$fmime) = mimetype($file['name']); 365 list($iext,$imime) = mimetype($id); 366 if($fext && !$iext){ 367 // no extension specified in id - read original one 368 $id .= '.'.$fext; 369 $imime = $fmime; 370 }elseif($fext && $fext != $iext){ 371 // extension was changed, print warning 372 msg(sprintf($lang['mediaextchange'],$fext,$iext)); 373 } 374 375 $res = media_save(array('name' => $file['tmp_name'], 376 'mime' => $imime, 377 'ext' => $iext), $ns.':'.$id, 378 $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file'); 379 if (is_array($res)) { 380 msg($res[0], $res[1]); 381 return false; 382 } 383 return $res; 384 } 385 386 /** 387 * An alternative to move_uploaded_file that copies 388 * 389 * Using copy, makes sure any setgid bits on the media directory are honored 390 * 391 * @see move_uploaded_file() 392 * 393 * @param string $from 394 * @param string $to 395 * @return bool 396 */ 397 function copy_uploaded_file($from, $to){ 398 if(!is_uploaded_file($from)) return false; 399 $ok = copy($from, $to); 400 @unlink($from); 401 return $ok; 402 } 403 404 /** 405 * This generates an action event and delegates to _media_upload_action(). 406 * Action plugins are allowed to pre/postprocess the uploaded file. 407 * (The triggered event is preventable.) 408 * 409 * Event data: 410 * $data[0] fn_tmp: the temporary file name (read from $_FILES) 411 * $data[1] fn: the file name of the uploaded file 412 * $data[2] id: the future directory id of the uploaded file 413 * $data[3] imime: the mimetype of the uploaded file 414 * $data[4] overwrite: if an existing file is going to be overwritten 415 * $data[5] move: name of function that performs move/copy/.. 416 * 417 * @triggers MEDIA_UPLOAD_FINISH 418 * 419 * @param array $file 420 * @param string $id media id 421 * @param bool $ow overwrite? 422 * @param int $auth permission level 423 * @param string $move name of functions that performs move/copy/.. 424 * @return false|array|string 425 */ 426 function media_save($file, $id, $ow, $auth, $move) { 427 if($auth < AUTH_UPLOAD) { 428 return array("You don't have permissions to upload files.", -1); 429 } 430 431 if (!isset($file['mime']) || !isset($file['ext'])) { 432 list($ext, $mime) = mimetype($id); 433 if (!isset($file['mime'])) { 434 $file['mime'] = $mime; 435 } 436 if (!isset($file['ext'])) { 437 $file['ext'] = $ext; 438 } 439 } 440 441 global $lang, $conf; 442 443 // get filename 444 $id = cleanID($id); 445 $fn = mediaFN($id); 446 447 // get filetype regexp 448 $types = array_keys(getMimeTypes()); 449 $types = array_map( 450 function ($q) { 451 return preg_quote($q, "/"); 452 }, 453 $types 454 ); 455 $regex = join('|',$types); 456 457 // because a temp file was created already 458 if(!preg_match('/\.('.$regex.')$/i',$fn)) { 459 return array($lang['uploadwrong'],-1); 460 } 461 462 //check for overwrite 463 $overwrite = file_exists($fn); 464 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 465 if($overwrite && (!$ow || $auth < $auth_ow)) { 466 return array($lang['uploadexist'], 0); 467 } 468 // check for valid content 469 $ok = media_contentcheck($file['name'], $file['mime']); 470 if($ok == -1){ 471 return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1); 472 }elseif($ok == -2){ 473 return array($lang['uploadspam'],-1); 474 }elseif($ok == -3){ 475 return array($lang['uploadxss'],-1); 476 } 477 478 // prepare event data 479 $data = array(); 480 $data[0] = $file['name']; 481 $data[1] = $fn; 482 $data[2] = $id; 483 $data[3] = $file['mime']; 484 $data[4] = $overwrite; 485 $data[5] = $move; 486 487 // trigger event 488 return Event::createAndTrigger('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true); 489 } 490 491 /** 492 * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH 493 * 494 * @author Michael Klier <chi@chimeric.de> 495 * 496 * @param array $data event data 497 * @return false|array|string 498 */ 499 function _media_upload_action($data) { 500 // fixme do further sanity tests of given data? 501 if(is_array($data) && count($data)===6) { 502 return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 503 } else { 504 return false; //callback error 505 } 506 } 507 508 /** 509 * Saves an uploaded media file 510 * 511 * @author Andreas Gohr <andi@splitbrain.org> 512 * @author Michael Klier <chi@chimeric.de> 513 * @author Kate Arzamastseva <pshns@ukr.net> 514 * 515 * @param string $fn_tmp 516 * @param string $fn 517 * @param string $id media id 518 * @param string $imime mime type 519 * @param bool $overwrite overwrite existing? 520 * @param string $move function name 521 * @return array|string 522 */ 523 function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') { 524 global $conf; 525 global $lang; 526 global $REV; 527 528 $old = @filemtime($fn); 529 if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) { 530 // add old revision to the attic if missing 531 media_saveOldRevision($id); 532 } 533 534 // prepare directory 535 io_createNamespace($id, 'media'); 536 537 $filesize_old = file_exists($fn) ? filesize($fn) : 0; 538 539 if($move($fn_tmp, $fn)) { 540 @clearstatcache(true,$fn); 541 $new = @filemtime($fn); 542 // Set the correct permission here. 543 // Always chmod media because they may be saved with different permissions than expected from the php umask. 544 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 545 chmod($fn, $conf['fmode']); 546 msg($lang['uploadsucc'],1); 547 media_notify($id,$fn,$imime,$old,$new); 548 // add a log entry to the media changelog 549 $filesize_new = filesize($fn); 550 $sizechange = $filesize_new - $filesize_old; 551 if($REV) { 552 addMediaLogEntry( 553 $new, 554 $id, 555 DOKU_CHANGE_TYPE_REVERT, 556 sprintf($lang['restored'], dformat($REV)), 557 $REV, 558 null, 559 $sizechange 560 ); 561 } elseif($overwrite) { 562 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 563 } else { 564 addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 565 } 566 return $id; 567 }else{ 568 return array($lang['uploadfail'],-1); 569 } 570 } 571 572 /** 573 * Moves the current version of media file to the media_attic 574 * directory 575 * 576 * @author Kate Arzamastseva <pshns@ukr.net> 577 * 578 * @param string $id 579 * @return int - revision date 580 */ 581 function media_saveOldRevision($id){ 582 global $conf, $lang; 583 584 $oldf = mediaFN($id); 585 if(!file_exists($oldf)) return ''; 586 $date = filemtime($oldf); 587 if (!$conf['mediarevisions']) return $date; 588 589 $medialog = new MediaChangeLog($id); 590 if (!$medialog->getRevisionInfo($date)) { 591 // there was an external edit, 592 // there is no log entry for current version of file 593 $sizechange = filesize($oldf); 594 if(!file_exists(mediaMetaFN($id, '.changes'))) { 595 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange); 596 } else { 597 $oldRev = $medialog->getRevisions(-1, 1); // from changelog 598 $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); 599 $filesize_old = filesize(mediaFN($id, $oldRev)); 600 $sizechange = $sizechange - $filesize_old; 601 602 addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange); 603 } 604 } 605 606 $newf = mediaFN($id,$date); 607 io_makeFileDir($newf); 608 if(copy($oldf, $newf)) { 609 // Set the correct permission here. 610 // Always chmod media because they may be saved with different permissions than expected from the php umask. 611 // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.) 612 chmod($newf, $conf['fmode']); 613 } 614 return $date; 615 } 616 617 /** 618 * This function checks if the uploaded content is really what the 619 * mimetype says it is. We also do spam checking for text types here. 620 * 621 * We need to do this stuff because we can not rely on the browser 622 * to do this check correctly. Yes, IE is broken as usual. 623 * 624 * @author Andreas Gohr <andi@splitbrain.org> 625 * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting 626 * @fixme check all 26 magic IE filetypes here? 627 * 628 * @param string $file path to file 629 * @param string $mime mimetype 630 * @return int 631 */ 632 function media_contentcheck($file,$mime){ 633 global $conf; 634 if($conf['iexssprotect']){ 635 $fh = @fopen($file, 'rb'); 636 if($fh){ 637 $bytes = fread($fh, 256); 638 fclose($fh); 639 if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){ 640 return -3; //XSS: possibly malicious content 641 } 642 } 643 } 644 if(substr($mime,0,6) == 'image/'){ 645 $info = @getimagesize($file); 646 if($mime == 'image/gif' && $info[2] != 1){ 647 return -1; // uploaded content did not match the file extension 648 }elseif($mime == 'image/jpeg' && $info[2] != 2){ 649 return -1; 650 }elseif($mime == 'image/png' && $info[2] != 3){ 651 return -1; 652 } 653 # fixme maybe check other images types as well 654 }elseif(substr($mime,0,5) == 'text/'){ 655 global $TEXT; 656 $TEXT = io_readFile($file); 657 if(checkwordblock()){ 658 return -2; //blocked by the spam blacklist 659 } 660 } 661 return 0; 662 } 663 664 /** 665 * Send a notify mail on uploads 666 * 667 * @author Andreas Gohr <andi@splitbrain.org> 668 * 669 * @param string $id media id 670 * @param string $file path to file 671 * @param string $mime mime type 672 * @param bool|int $old_rev revision timestamp or false 673 * @return bool 674 */ 675 function media_notify($id,$file,$mime,$old_rev=false,$current_rev=false){ 676 global $conf; 677 if(empty($conf['notify'])) return false; //notify enabled? 678 679 $subscription = new MediaSubscriptionSender(); 680 return $subscription->sendMediaDiff($conf['notify'], 'uploadmail', $id, $old_rev, $current_rev); 681 } 682 683 /** 684 * List all files in a given Media namespace 685 * 686 * @param string $ns namespace 687 * @param null|int $auth permission level 688 * @param string $jump id 689 * @param bool $fullscreenview 690 * @param bool|string $sort sorting order, false skips sorting 691 */ 692 function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){ 693 global $conf; 694 global $lang; 695 $ns = cleanID($ns); 696 697 // check auth our self if not given (needed for ajax calls) 698 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 699 700 if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL; 701 702 if($auth < AUTH_READ){ 703 // FIXME: print permission warning here instead? 704 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 705 }else{ 706 if (!$fullscreenview) { 707 media_uploadform($ns, $auth); 708 media_searchform($ns); 709 } 710 711 $dir = utf8_encodeFN(str_replace(':','/',$ns)); 712 $data = array(); 713 search($data,$conf['mediadir'],'search_media', 714 array('showmsg'=>true,'depth'=>1),$dir,1,$sort); 715 716 if(!count($data)){ 717 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 718 }else { 719 if ($fullscreenview) { 720 echo '<ul class="' . _media_get_list_type() . '">'; 721 } 722 foreach($data as $item){ 723 if (!$fullscreenview) { 724 media_printfile($item,$auth,$jump); 725 } else { 726 media_printfile_thumbs($item,$auth,$jump); 727 } 728 } 729 if ($fullscreenview) echo '</ul>'.NL; 730 } 731 } 732 } 733 734 /** 735 * Prints tabs for files list actions 736 * 737 * @author Kate Arzamastseva <pshns@ukr.net> 738 * @author Adrian Lang <mail@adrianlang.de> 739 * 740 * @param string $selected_tab - opened tab 741 */ 742 743 function media_tabs_files($selected_tab = ''){ 744 global $lang; 745 $tabs = array(); 746 foreach(array('files' => 'mediaselect', 747 'upload' => 'media_uploadtab', 748 'search' => 'media_searchtab') as $tab => $caption) { 749 $tabs[$tab] = array('href' => media_managerURL(array('tab_files' => $tab), '&'), 750 'caption' => $lang[$caption]); 751 } 752 753 html_tabs($tabs, $selected_tab); 754 } 755 756 /** 757 * Prints tabs for files details actions 758 * 759 * @author Kate Arzamastseva <pshns@ukr.net> 760 * @param string $image filename of the current image 761 * @param string $selected_tab opened tab 762 */ 763 function media_tabs_details($image, $selected_tab = ''){ 764 global $lang, $conf; 765 766 $tabs = array(); 767 $tabs['view'] = array('href' => media_managerURL(array('tab_details' => 'view'), '&'), 768 'caption' => $lang['media_viewtab']); 769 770 list(, $mime) = mimetype($image); 771 if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) { 772 $tabs['edit'] = array('href' => media_managerURL(array('tab_details' => 'edit'), '&'), 773 'caption' => $lang['media_edittab']); 774 } 775 if ($conf['mediarevisions']) { 776 $tabs['history'] = array('href' => media_managerURL(array('tab_details' => 'history'), '&'), 777 'caption' => $lang['media_historytab']); 778 } 779 780 html_tabs($tabs, $selected_tab); 781 } 782 783 /** 784 * Prints options for the tab that displays a list of all files 785 * 786 * @author Kate Arzamastseva <pshns@ukr.net> 787 */ 788 function media_tab_files_options(){ 789 global $lang; 790 global $INPUT; 791 global $ID; 792 $form = new Doku_Form(array('class' => 'options', 'method' => 'get', 793 'action' => wl($ID))); 794 $media_manager_params = media_managerURL(array(), '', false, true); 795 foreach($media_manager_params as $pKey => $pVal){ 796 $form->addHidden($pKey, $pVal); 797 } 798 $form->addHidden('sectok', null); 799 if ($INPUT->has('q')) { 800 $form->addHidden('q', $INPUT->str('q')); 801 } 802 $form->addElement('<ul>'.NL); 803 foreach(array('list' => array('listType', array('thumbs', 'rows')), 804 'sort' => array('sortBy', array('name', 'date'))) 805 as $group => $content) { 806 $checked = "_media_get_$group}_type"; 807 $checked = $checked(); 808 809 $form->addElement('<li class="' . $content[0] . '">'); 810 foreach($content[1] as $option) { 811 $attrs = array(); 812 if ($checked == $option) { 813 $attrs['checked'] = 'checked'; 814 } 815 $form->addElement(form_makeRadioField($group . '_dwmedia', $option, 816 $lang['media_' . $group . '_' . $option], 817 $content[0] . '__' . $option, 818 $option, $attrs)); 819 } 820 $form->addElement('</li>'.NL); 821 } 822 $form->addElement('<li>'); 823 $form->addElement(form_makeButton('submit', '', $lang['btn_apply'])); 824 $form->addElement('</li>'.NL); 825 $form->addElement('</ul>'.NL); 826 $form->printForm(); 827 } 828 829 /** 830 * Returns type of sorting for the list of files in media manager 831 * 832 * @author Kate Arzamastseva <pshns@ukr.net> 833 * 834 * @return string - sort type 835 */ 836 function _media_get_sort_type() { 837 return _media_get_display_param('sort', array('default' => 'name', 'date')); 838 } 839 840 /** 841 * Returns type of listing for the list of files in media manager 842 * 843 * @author Kate Arzamastseva <pshns@ukr.net> 844 * 845 * @return string - list type 846 */ 847 function _media_get_list_type() { 848 return _media_get_display_param('list', array('default' => 'thumbs', 'rows')); 849 } 850 851 /** 852 * Get display parameters 853 * 854 * @param string $param name of parameter 855 * @param array $values allowed values, where default value has index key 'default' 856 * @return string the parameter value 857 */ 858 function _media_get_display_param($param, $values) { 859 global $INPUT; 860 if (in_array($INPUT->str($param), $values)) { 861 // FIXME: Set cookie 862 return $INPUT->str($param); 863 } else { 864 $val = get_doku_pref($param, $values['default']); 865 if (!in_array($val, $values)) { 866 $val = $values['default']; 867 } 868 return $val; 869 } 870 } 871 872 /** 873 * Prints tab that displays a list of all files 874 * 875 * @author Kate Arzamastseva <pshns@ukr.net> 876 * 877 * @param string $ns 878 * @param null|int $auth permission level 879 * @param string $jump item id 880 */ 881 function media_tab_files($ns,$auth=null,$jump='') { 882 global $lang; 883 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 884 885 if($auth < AUTH_READ){ 886 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 887 }else{ 888 media_filelist($ns,$auth,$jump,true,_media_get_sort_type()); 889 } 890 } 891 892 /** 893 * Prints tab that displays uploading form 894 * 895 * @author Kate Arzamastseva <pshns@ukr.net> 896 * 897 * @param string $ns 898 * @param null|int $auth permission level 899 * @param string $jump item id 900 */ 901 function media_tab_upload($ns,$auth=null,$jump='') { 902 global $lang; 903 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 904 905 echo '<div class="upload">'.NL; 906 if ($auth >= AUTH_UPLOAD) { 907 echo '<p>' . $lang['mediaupload'] . '</p>'; 908 } 909 media_uploadform($ns, $auth, true); 910 echo '</div>'.NL; 911 } 912 913 /** 914 * Prints tab that displays search form 915 * 916 * @author Kate Arzamastseva <pshns@ukr.net> 917 * 918 * @param string $ns 919 * @param null|int $auth permission level 920 */ 921 function media_tab_search($ns,$auth=null) { 922 global $INPUT; 923 924 $do = $INPUT->str('mediado'); 925 $query = $INPUT->str('q'); 926 echo '<div class="search">'.NL; 927 928 media_searchform($ns, $query, true); 929 if ($do == 'searchlist' || $query) { 930 media_searchlist($query,$ns,$auth,true,_media_get_sort_type()); 931 } 932 echo '</div>'.NL; 933 } 934 935 /** 936 * Prints tab that displays mediafile details 937 * 938 * @author Kate Arzamastseva <pshns@ukr.net> 939 * 940 * @param string $image media id 941 * @param string $ns 942 * @param null|int $auth permission level 943 * @param string|int $rev revision timestamp or empty string 944 */ 945 function media_tab_view($image, $ns, $auth=null, $rev='') { 946 global $lang; 947 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 948 949 if ($image && $auth >= AUTH_READ) { 950 $meta = new JpegMeta(mediaFN($image, $rev)); 951 media_preview($image, $auth, $rev, $meta); 952 media_preview_buttons($image, $auth, $rev); 953 media_details($image, $auth, $rev, $meta); 954 955 } else { 956 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 957 } 958 } 959 960 /** 961 * Prints tab that displays form for editing mediafile metadata 962 * 963 * @author Kate Arzamastseva <pshns@ukr.net> 964 * 965 * @param string $image media id 966 * @param string $ns 967 * @param null|int $auth permission level 968 */ 969 function media_tab_edit($image, $ns, $auth=null) { 970 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 971 972 if ($image) { 973 list(, $mime) = mimetype($image); 974 if ($mime == 'image/jpeg') media_metaform($image,$auth); 975 } 976 } 977 978 /** 979 * Prints tab that displays mediafile revisions 980 * 981 * @author Kate Arzamastseva <pshns@ukr.net> 982 * 983 * @param string $image media id 984 * @param string $ns 985 * @param null|int $auth permission level 986 */ 987 function media_tab_history($image, $ns, $auth=null) { 988 global $lang; 989 global $INPUT; 990 991 if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*"); 992 $do = $INPUT->str('mediado'); 993 994 if ($auth >= AUTH_READ && $image) { 995 if ($do == 'diff'){ 996 media_diff($image, $ns, $auth); 997 } else { 998 $first = $INPUT->int('first'); 999 html_revisions($first, $image); 1000 } 1001 } else { 1002 echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL; 1003 } 1004 } 1005 1006 /** 1007 * Prints mediafile details 1008 * 1009 * @param string $image media id 1010 * @param int $auth permission level 1011 * @param int|string $rev revision timestamp or empty string 1012 * @param JpegMeta|bool $meta 1013 * 1014 * @author Kate Arzamastseva <pshns@ukr.net> 1015 */ 1016 function media_preview($image, $auth, $rev='', $meta=false) { 1017 1018 $size = media_image_preview_size($image, $rev, $meta); 1019 1020 if ($size) { 1021 global $lang; 1022 echo '<div class="image">'; 1023 1024 $more = array(); 1025 if ($rev) { 1026 $more['rev'] = $rev; 1027 } else { 1028 $t = @filemtime(mediaFN($image)); 1029 $more['t'] = $t; 1030 } 1031 1032 $more['w'] = $size[0]; 1033 $more['h'] = $size[1]; 1034 $src = ml($image, $more); 1035 1036 echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">'; 1037 echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />'; 1038 echo '</a>'; 1039 1040 echo '</div>'.NL; 1041 } 1042 } 1043 1044 /** 1045 * Prints mediafile action buttons 1046 * 1047 * @author Kate Arzamastseva <pshns@ukr.net> 1048 * 1049 * @param string $image media id 1050 * @param int $auth permission level 1051 * @param string|int $rev revision timestamp, or empty string 1052 */ 1053 function media_preview_buttons($image, $auth, $rev='') { 1054 global $lang, $conf; 1055 1056 echo '<ul class="actions">'.NL; 1057 1058 if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){ 1059 1060 // delete button 1061 $form = new Doku_Form(array('id' => 'mediamanager__btn_delete', 1062 'action'=>media_managerURL(array('delete' => $image), '&'))); 1063 $form->addElement(form_makeButton('submit','',$lang['btn_delete'])); 1064 echo '<li>'; 1065 $form->printForm(); 1066 echo '</li>'.NL; 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 Doku_Form(array('id' => 'mediamanager__btn_update', 1074 'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&'))); 1075 $form->addElement(form_makeButton('submit','',$lang['media_update'])); 1076 echo '<li>'; 1077 $form->printForm(); 1078 echo '</li>'.NL; 1079 } 1080 1081 if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){ 1082 1083 // restore button 1084 $form = new Doku_Form(array('id' => 'mediamanager__btn_restore', 1085 'action'=>media_managerURL(array('image' => $image), '&'))); 1086 $form->addHidden('mediado','restore'); 1087 $form->addHidden('rev',$rev); 1088 $form->addElement(form_makeButton('submit','',$lang['media_restore'])); 1089 echo '<li>'; 1090 $form->printForm(); 1091 echo '</li>'.NL; 1092 } 1093 1094 echo '</ul>'.NL; 1095 } 1096 1097 /** 1098 * Returns image width and height for mediamanager preview panel 1099 * 1100 * @author Kate Arzamastseva <pshns@ukr.net> 1101 * @param string $image 1102 * @param int|string $rev 1103 * @param JpegMeta|bool $meta 1104 * @param int $size 1105 * @return array|false 1106 */ 1107 function media_image_preview_size($image, $rev, $meta, $size = 500) { 1108 if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false; 1109 1110 $info = getimagesize(mediaFN($image, $rev)); 1111 $w = (int) $info[0]; 1112 $h = (int) $info[1]; 1113 1114 if($meta && ($w > $size || $h > $size)){ 1115 $ratio = $meta->getResizeRatio($size, $size); 1116 $w = floor($w * $ratio); 1117 $h = floor($h * $ratio); 1118 } 1119 return array($w, $h); 1120 } 1121 1122 /** 1123 * Returns the requested EXIF/IPTC tag from the image meta 1124 * 1125 * @author Kate Arzamastseva <pshns@ukr.net> 1126 * 1127 * @param array $tags array with tags, first existing is returned 1128 * @param JpegMeta $meta 1129 * @param string $alt alternative value 1130 * @return string 1131 */ 1132 function media_getTag($tags,$meta,$alt=''){ 1133 if($meta === false) return $alt; 1134 $info = $meta->getField($tags); 1135 if($info == false) return $alt; 1136 return $info; 1137 } 1138 1139 /** 1140 * Returns mediafile tags 1141 * 1142 * @author Kate Arzamastseva <pshns@ukr.net> 1143 * 1144 * @param JpegMeta $meta 1145 * @return array list of tags of the mediafile 1146 */ 1147 function media_file_tags($meta) { 1148 // load the field descriptions 1149 static $fields = null; 1150 if(is_null($fields)){ 1151 $config_files = getConfigFiles('mediameta'); 1152 foreach ($config_files as $config_file) { 1153 if(file_exists($config_file)) include($config_file); 1154 } 1155 } 1156 1157 $tags = array(); 1158 1159 foreach($fields as $key => $tag){ 1160 $t = array(); 1161 if (!empty($tag[0])) $t = array($tag[0]); 1162 if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]); 1163 $value = media_getTag($t, $meta); 1164 $tags[] = array('tag' => $tag, 'value' => $value); 1165 } 1166 1167 return $tags; 1168 } 1169 1170 /** 1171 * Prints mediafile tags 1172 * 1173 * @author Kate Arzamastseva <pshns@ukr.net> 1174 * 1175 * @param string $image image id 1176 * @param int $auth permission level 1177 * @param string|int $rev revision timestamp, or empty string 1178 * @param bool|JpegMeta $meta image object, or create one if false 1179 */ 1180 function media_details($image, $auth, $rev='', $meta=false) { 1181 global $lang; 1182 1183 if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev)); 1184 $tags = media_file_tags($meta); 1185 1186 echo '<dl>'.NL; 1187 foreach($tags as $tag){ 1188 if ($tag['value']) { 1189 $value = cleanText($tag['value']); 1190 echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>'; 1191 if ($tag['tag'][2] == 'date') echo dformat($value); 1192 else echo hsc($value); 1193 echo '</dd>'.NL; 1194 } 1195 } 1196 echo '</dl>'.NL; 1197 echo '<dl>'.NL; 1198 echo '<dt>'.$lang['reference'].':</dt>'; 1199 $media_usage = ft_mediause($image,true); 1200 if(count($media_usage) > 0){ 1201 foreach($media_usage as $path){ 1202 echo '<dd>'.html_wikilink($path).'</dd>'; 1203 } 1204 }else{ 1205 echo '<dd>'.$lang['nothingfound'].'</dd>'; 1206 } 1207 echo '</dl>'.NL; 1208 1209 } 1210 1211 /** 1212 * Shows difference between two revisions of file 1213 * 1214 * @author Kate Arzamastseva <pshns@ukr.net> 1215 * 1216 * @param string $image image id 1217 * @param string $ns 1218 * @param int $auth permission level 1219 * @param bool $fromajax 1220 * @return false|null|string 1221 */ 1222 function media_diff($image, $ns, $auth, $fromajax = false) { 1223 global $conf; 1224 global $INPUT; 1225 1226 if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return ''; 1227 1228 $rev1 = $INPUT->int('rev'); 1229 1230 $rev2 = $INPUT->ref('rev2'); 1231 if(is_array($rev2)){ 1232 $rev1 = (int) $rev2[0]; 1233 $rev2 = (int) $rev2[1]; 1234 1235 if(!$rev1){ 1236 $rev1 = $rev2; 1237 unset($rev2); 1238 } 1239 }else{ 1240 $rev2 = $INPUT->int('rev2'); 1241 } 1242 1243 if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false; 1244 if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false; 1245 1246 if($rev1 && $rev2){ // two specific revisions wanted 1247 // make sure order is correct (older on the left) 1248 if($rev1 < $rev2){ 1249 $l_rev = $rev1; 1250 $r_rev = $rev2; 1251 }else{ 1252 $l_rev = $rev2; 1253 $r_rev = $rev1; 1254 } 1255 }elseif($rev1){ // single revision given, compare to current 1256 $r_rev = ''; 1257 $l_rev = $rev1; 1258 }else{ // no revision was given, compare previous to current 1259 $r_rev = ''; 1260 $medialog = new MediaChangeLog($image); 1261 $revs = $medialog->getRevisions(0, 1); 1262 if (file_exists(mediaFN($image, $revs[0]))) { 1263 $l_rev = $revs[0]; 1264 } else { 1265 $l_rev = ''; 1266 } 1267 } 1268 1269 // prepare event data 1270 $data = array(); 1271 $data[0] = $image; 1272 $data[1] = $l_rev; 1273 $data[2] = $r_rev; 1274 $data[3] = $ns; 1275 $data[4] = $auth; 1276 $data[5] = $fromajax; 1277 1278 // trigger event 1279 return Event::createAndTrigger('MEDIA_DIFF', $data, '_media_file_diff', true); 1280 } 1281 1282 /** 1283 * Callback for media file diff 1284 * 1285 * @param array $data event data 1286 * @return false|null 1287 */ 1288 function _media_file_diff($data) { 1289 if(is_array($data) && count($data)===6) { 1290 media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]); 1291 } else { 1292 return false; 1293 } 1294 } 1295 1296 /** 1297 * Shows difference between two revisions of image 1298 * 1299 * @author Kate Arzamastseva <pshns@ukr.net> 1300 * 1301 * @param string $image 1302 * @param string|int $l_rev revision timestamp, or empty string 1303 * @param string|int $r_rev revision timestamp, or empty string 1304 * @param string $ns 1305 * @param int $auth permission level 1306 * @param bool $fromajax 1307 */ 1308 function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){ 1309 global $lang; 1310 global $INPUT; 1311 1312 $l_meta = new JpegMeta(mediaFN($image, $l_rev)); 1313 $r_meta = new JpegMeta(mediaFN($image, $r_rev)); 1314 1315 $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image); 1316 if ($is_img) { 1317 $l_size = media_image_preview_size($image, $l_rev, $l_meta); 1318 $r_size = media_image_preview_size($image, $r_rev, $r_meta); 1319 $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30)); 1320 1321 $difftype = $INPUT->str('difftype'); 1322 1323 if (!$fromajax) { 1324 $form = new Doku_Form(array( 1325 'action' => media_managerURL(array(), '&'), 1326 'method' => 'get', 1327 'id' => 'mediamanager__form_diffview', 1328 'class' => 'diffView' 1329 )); 1330 $form->addHidden('sectok', null); 1331 $form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>'); 1332 $form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>'); 1333 $form->addHidden('mediado', 'diff'); 1334 $form->printForm(); 1335 1336 echo NL.'<div id="mediamanager__diff" >'.NL; 1337 } 1338 1339 if ($difftype == 'opacity' || $difftype == 'portions') { 1340 media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype); 1341 if (!$fromajax) echo '</div>'; 1342 return; 1343 } 1344 } 1345 1346 list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true); 1347 1348 ?> 1349 <div class="table"> 1350 <table> 1351 <tr> 1352 <th><?php echo $l_head; ?></th> 1353 <th><?php echo $r_head; ?></th> 1354 </tr> 1355 <?php 1356 1357 echo '<tr class="image">'; 1358 echo '<td>'; 1359 media_preview($image, $auth, $l_rev, $l_meta); 1360 echo '</td>'; 1361 1362 echo '<td>'; 1363 media_preview($image, $auth, $r_rev, $r_meta); 1364 echo '</td>'; 1365 echo '</tr>'.NL; 1366 1367 echo '<tr class="actions">'; 1368 echo '<td>'; 1369 media_preview_buttons($image, $auth, $l_rev); 1370 echo '</td>'; 1371 1372 echo '<td>'; 1373 media_preview_buttons($image, $auth, $r_rev); 1374 echo '</td>'; 1375 echo '</tr>'.NL; 1376 1377 $l_tags = media_file_tags($l_meta); 1378 $r_tags = media_file_tags($r_meta); 1379 // FIXME r_tags-only stuff 1380 foreach ($l_tags as $key => $l_tag) { 1381 if ($l_tag['value'] != $r_tags[$key]['value']) { 1382 $r_tags[$key]['highlighted'] = true; 1383 $l_tags[$key]['highlighted'] = true; 1384 } else if (!$l_tag['value'] || !$r_tags[$key]['value']) { 1385 unset($r_tags[$key]); 1386 unset($l_tags[$key]); 1387 } 1388 } 1389 1390 echo '<tr>'; 1391 foreach(array($l_tags,$r_tags) as $tags){ 1392 echo '<td>'.NL; 1393 1394 echo '<dl class="img_tags">'; 1395 foreach($tags as $tag){ 1396 $value = cleanText($tag['value']); 1397 if (!$value) $value = '-'; 1398 echo '<dt>'.$lang[$tag['tag'][1]].'</dt>'; 1399 echo '<dd>'; 1400 if ($tag['highlighted']) { 1401 echo '<strong>'; 1402 } 1403 if ($tag['tag'][2] == 'date') echo dformat($value); 1404 else echo hsc($value); 1405 if ($tag['highlighted']) { 1406 echo '</strong>'; 1407 } 1408 echo '</dd>'; 1409 } 1410 echo '</dl>'.NL; 1411 1412 echo '</td>'; 1413 } 1414 echo '</tr>'.NL; 1415 1416 echo '</table>'.NL; 1417 echo '</div>'.NL; 1418 1419 if ($is_img && !$fromajax) echo '</div>'; 1420 } 1421 1422 /** 1423 * Prints two images side by side 1424 * and slider 1425 * 1426 * @author Kate Arzamastseva <pshns@ukr.net> 1427 * 1428 * @param string $image image id 1429 * @param int $l_rev revision timestamp, or empty string 1430 * @param int $r_rev revision timestamp, or empty string 1431 * @param array $l_size array with width and height 1432 * @param array $r_size array with width and height 1433 * @param string $type 1434 */ 1435 function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) { 1436 if ($l_size != $r_size) { 1437 if ($r_size[0] > $l_size[0]) { 1438 $l_size = $r_size; 1439 } 1440 } 1441 1442 $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1443 $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]); 1444 1445 $l_src = ml($image, $l_more); 1446 $r_src = ml($image, $r_more); 1447 1448 // slider 1449 echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL; 1450 1451 // two images in divs 1452 echo '<div class="imageDiff ' . $type . '">'.NL; 1453 echo '<div class="image1" style="max-width: '.$l_size[0].'px;">'; 1454 echo '<img src="'.$l_src.'" alt="" />'; 1455 echo '</div>'.NL; 1456 echo '<div class="image2" style="max-width: '.$l_size[0].'px;">'; 1457 echo '<img src="'.$r_src.'" alt="" />'; 1458 echo '</div>'.NL; 1459 echo '</div>'.NL; 1460 } 1461 1462 /** 1463 * Restores an old revision of a media file 1464 * 1465 * @param string $image media id 1466 * @param int $rev revision timestamp or empty string 1467 * @param int $auth 1468 * @return string - file's id 1469 * 1470 * @author Kate Arzamastseva <pshns@ukr.net> 1471 */ 1472 function media_restore($image, $rev, $auth){ 1473 global $conf; 1474 if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false; 1475 $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes'))); 1476 if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false; 1477 if (!$rev || !file_exists(mediaFN($image, $rev))) return false; 1478 list(,$imime,) = mimetype($image); 1479 $res = media_upload_finish(mediaFN($image, $rev), 1480 mediaFN($image), 1481 $image, 1482 $imime, 1483 true, 1484 'copy'); 1485 if (is_array($res)) { 1486 msg($res[0], $res[1]); 1487 return false; 1488 } 1489 return $res; 1490 } 1491 1492 /** 1493 * List all files found by the search request 1494 * 1495 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1496 * @author Andreas Gohr <gohr@cosmocode.de> 1497 * @author Kate Arzamastseva <pshns@ukr.net> 1498 * @triggers MEDIA_SEARCH 1499 * 1500 * @param string $query 1501 * @param string $ns 1502 * @param null|int $auth 1503 * @param bool $fullscreen 1504 * @param string $sort 1505 */ 1506 function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){ 1507 global $conf; 1508 global $lang; 1509 1510 $ns = cleanID($ns); 1511 $evdata = array( 1512 'ns' => $ns, 1513 'data' => array(), 1514 'query' => $query 1515 ); 1516 if (!blank($query)) { 1517 $evt = new Event('MEDIA_SEARCH', $evdata); 1518 if ($evt->advise_before()) { 1519 $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns'])); 1520 $quoted = preg_quote($evdata['query'],'/'); 1521 //apply globbing 1522 $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count); 1523 1524 //if we use globbing file name must match entirely but may be preceded by arbitrary namespace 1525 if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$'; 1526 1527 $pattern = '/'.$quoted.'/i'; 1528 search($evdata['data'], 1529 $conf['mediadir'], 1530 'search_media', 1531 array('showmsg'=>false,'pattern'=>$pattern), 1532 $dir, 1533 1, 1534 $sort); 1535 } 1536 $evt->advise_after(); 1537 unset($evt); 1538 } 1539 1540 if (!$fullscreen) { 1541 echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL; 1542 media_searchform($ns,$query); 1543 } 1544 1545 if(!count($evdata['data'])){ 1546 echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL; 1547 }else { 1548 if ($fullscreen) { 1549 echo '<ul class="' . _media_get_list_type() . '">'; 1550 } 1551 foreach($evdata['data'] as $item){ 1552 if (!$fullscreen) media_printfile($item,$item['perm'],'',true); 1553 else media_printfile_thumbs($item,$item['perm'],false,true); 1554 } 1555 if ($fullscreen) echo '</ul>'.NL; 1556 } 1557 } 1558 1559 /** 1560 * Formats and prints one file in the list 1561 * 1562 * @param array $item 1563 * @param int $auth permission level 1564 * @param string $jump item id 1565 * @param bool $display_namespace 1566 */ 1567 function media_printfile($item,$auth,$jump,$display_namespace=false){ 1568 global $lang; 1569 1570 // Prepare zebra coloring 1571 // I always wanted to use this variable name :-D 1572 static $twibble = 1; 1573 $twibble *= -1; 1574 $zebra = ($twibble == -1) ? 'odd' : 'even'; 1575 1576 // Automatically jump to recent action 1577 if($jump == $item['id']) { 1578 $jump = ' id="scroll__here" '; 1579 }else{ 1580 $jump = ''; 1581 } 1582 1583 // Prepare fileicons 1584 list($ext) = mimetype($item['file'],false); 1585 $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext); 1586 $class = 'select mediafile mf_'.$class; 1587 1588 // Prepare filename 1589 $file = utf8_decodeFN($item['file']); 1590 1591 // Prepare info 1592 $info = ''; 1593 if($item['isimg']){ 1594 $info .= (int) $item['meta']->getField('File.Width'); 1595 $info .= '×'; 1596 $info .= (int) $item['meta']->getField('File.Height'); 1597 $info .= ' '; 1598 } 1599 $info .= '<i>'.dformat($item['mtime']).'</i>'; 1600 $info .= ' '; 1601 $info .= filesize_h($item['size']); 1602 1603 // output 1604 echo '<div class="'.$zebra.'"'.$jump.' title="'.hsc($item['id']).'">'.NL; 1605 if (!$display_namespace) { 1606 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> '; 1607 } else { 1608 echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>'; 1609 } 1610 echo '<span class="info">('.$info.')</span>'.NL; 1611 1612 // view button 1613 $link = ml($item['id'],'',true); 1614 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '. 1615 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>'; 1616 1617 // mediamanager button 1618 $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id']))); 1619 echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '. 1620 'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>'; 1621 1622 // delete button 1623 if($item['writable'] && $auth >= AUTH_DELETE){ 1624 $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']). 1625 '&sectok='.getSecurityToken(); 1626 echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'. 1627 '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '. 1628 'title="'.$lang['btn_delete'].'" class="btn" /></a>'; 1629 } 1630 1631 echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">'; 1632 echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>'; 1633 echo '</div>'; 1634 if($item['isimg']) media_printimgdetail($item); 1635 echo '<div class="clearer"></div>'.NL; 1636 echo '</div>'.NL; 1637 } 1638 1639 /** 1640 * Display a media icon 1641 * 1642 * @param string $filename media id 1643 * @param string $size the size subfolder, if not specified 16x16 is used 1644 * @return string html 1645 */ 1646 function media_printicon($filename, $size=''){ 1647 list($ext) = mimetype(mediaFN($filename),false); 1648 1649 if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) { 1650 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png'; 1651 } else { 1652 $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png'; 1653 } 1654 1655 return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />'; 1656 } 1657 1658 /** 1659 * Formats and prints one file in the list in the thumbnails view 1660 * 1661 * @author Kate Arzamastseva <pshns@ukr.net> 1662 * 1663 * @param array $item 1664 * @param int $auth permission level 1665 * @param bool|string $jump item id 1666 * @param bool $display_namespace 1667 */ 1668 function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){ 1669 1670 // Prepare filename 1671 $file = utf8_decodeFN($item['file']); 1672 1673 // output 1674 echo '<li><dl title="'.hsc($item['id']).'">'.NL; 1675 1676 echo '<dt>'; 1677 if($item['isimg']) { 1678 media_printimgdetail($item, true); 1679 1680 } else { 1681 echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'. 1682 media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1683 'tab_details' => 'view')).'">'; 1684 echo media_printicon($item['id'], '32x32'); 1685 echo '</a>'; 1686 } 1687 echo '</dt>'.NL; 1688 if (!$display_namespace) { 1689 $name = hsc($file); 1690 } else { 1691 $name = hsc($item['id']); 1692 } 1693 echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 1694 'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL; 1695 1696 if($item['isimg']){ 1697 $size = ''; 1698 $size .= (int) $item['meta']->getField('File.Width'); 1699 $size .= '×'; 1700 $size .= (int) $item['meta']->getField('File.Height'); 1701 echo '<dd class="size">'.$size.'</dd>'.NL; 1702 } else { 1703 echo '<dd class="size"> </dd>'.NL; 1704 } 1705 $date = dformat($item['mtime']); 1706 echo '<dd class="date">'.$date.'</dd>'.NL; 1707 $filesize = filesize_h($item['size']); 1708 echo '<dd class="filesize">'.$filesize.'</dd>'.NL; 1709 echo '</dl></li>'.NL; 1710 } 1711 1712 /** 1713 * Prints a thumbnail and metainfo 1714 * 1715 * @param array $item 1716 * @param bool $fullscreen 1717 */ 1718 function media_printimgdetail($item, $fullscreen=false){ 1719 // prepare thumbnail 1720 $size = $fullscreen ? 90 : 120; 1721 1722 $w = (int) $item['meta']->getField('File.Width'); 1723 $h = (int) $item['meta']->getField('File.Height'); 1724 if($w>$size || $h>$size){ 1725 if (!$fullscreen) { 1726 $ratio = $item['meta']->getResizeRatio($size); 1727 } else { 1728 $ratio = $item['meta']->getResizeRatio($size,$size); 1729 } 1730 $w = floor($w * $ratio); 1731 $h = floor($h * $ratio); 1732 } 1733 $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime'])); 1734 $p = array(); 1735 if (!$fullscreen) { 1736 // In fullscreen mediamanager view, image resizing is done via CSS. 1737 $p['width'] = $w; 1738 $p['height'] = $h; 1739 } 1740 $p['alt'] = $item['id']; 1741 $att = buildAttributes($p); 1742 1743 // output 1744 if ($fullscreen) { 1745 echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'. 1746 media_managerURL(['image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view']).'">'; 1747 echo '<img src="'.$src.'" '.$att.' />'; 1748 echo '</a>'; 1749 } 1750 1751 if ($fullscreen) return; 1752 1753 echo '<div class="detail">'; 1754 echo '<div class="thumb">'; 1755 echo '<a id="d_:'.$item['id'].'" class="select">'; 1756 echo '<img src="'.$src.'" '.$att.' />'; 1757 echo '</a>'; 1758 echo '</div>'; 1759 1760 // read EXIF/IPTC data 1761 $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title')); 1762 $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment', 1763 'EXIF.TIFFImageDescription', 1764 'EXIF.TIFFUserComment')); 1765 if(\dokuwiki\Utf8\PhpString::strlen($d) > 250) $d = \dokuwiki\Utf8\PhpString::substr($d,0,250).'...'; 1766 $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject')); 1767 1768 // print EXIF/IPTC data 1769 if($t || $d || $k ){ 1770 echo '<p>'; 1771 if($t) echo '<strong>'.hsc($t).'</strong><br />'; 1772 if($d) echo hsc($d).'<br />'; 1773 if($t) echo '<em>'.hsc($k).'</em>'; 1774 echo '</p>'; 1775 } 1776 echo '</div>'; 1777 } 1778 1779 /** 1780 * Build link based on the current, adding/rewriting parameters 1781 * 1782 * @author Kate Arzamastseva <pshns@ukr.net> 1783 * 1784 * @param array|bool $params 1785 * @param string $amp separator 1786 * @param bool $abs absolute url? 1787 * @param bool $params_array return the parmeters array? 1788 * @return string|array - link or link parameters 1789 */ 1790 function media_managerURL($params=false, $amp='&', $abs=false, $params_array=false) { 1791 global $ID; 1792 global $INPUT; 1793 1794 $gets = array('do' => 'media'); 1795 $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort'); 1796 foreach ($media_manager_params as $x) { 1797 if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x); 1798 } 1799 1800 if ($params) { 1801 $gets = $params + $gets; 1802 } 1803 unset($gets['id']); 1804 if (isset($gets['delete'])) { 1805 unset($gets['image']); 1806 unset($gets['tab_details']); 1807 } 1808 1809 if ($params_array) return $gets; 1810 1811 return wl($ID,$gets,$abs,$amp); 1812 } 1813 1814 /** 1815 * Print the media upload form if permissions are correct 1816 * 1817 * @author Andreas Gohr <andi@splitbrain.org> 1818 * @author Kate Arzamastseva <pshns@ukr.net> 1819 * 1820 * @param string $ns 1821 * @param int $auth permission level 1822 * @param bool $fullscreen 1823 */ 1824 function media_uploadform($ns, $auth, $fullscreen = false){ 1825 global $lang; 1826 global $conf; 1827 global $INPUT; 1828 1829 if($auth < AUTH_UPLOAD) { 1830 echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL; 1831 return; 1832 } 1833 $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE); 1834 1835 $update = false; 1836 $id = ''; 1837 if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') { 1838 $update = true; 1839 $id = cleanID($INPUT->str('image')); 1840 } 1841 1842 // The default HTML upload form 1843 $params = array('id' => 'dw__upload', 1844 'enctype' => 'multipart/form-data'); 1845 if (!$fullscreen) { 1846 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1847 } else { 1848 $params['action'] = media_managerURL(array('tab_files' => 'files', 1849 'tab_details' => 'view'), '&'); 1850 } 1851 1852 $form = new Doku_Form($params); 1853 if (!$fullscreen) echo '<div class="upload">' . $lang['mediaupload'] . '</div>'; 1854 $form->addElement(formSecurityToken()); 1855 $form->addHidden('ns', hsc($ns)); 1856 $form->addElement(form_makeOpenTag('p')); 1857 $form->addElement(form_makeFileField('upload', $lang['txt_upload'], 'upload__file')); 1858 $form->addElement(form_makeCloseTag('p')); 1859 $form->addElement(form_makeOpenTag('p')); 1860 $form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name')); 1861 $form->addElement(form_makeButton('submit', '', $lang['btn_upload'])); 1862 $form->addElement(form_makeCloseTag('p')); 1863 1864 if($auth >= $auth_ow){ 1865 $form->addElement(form_makeOpenTag('p')); 1866 $attrs = array(); 1867 if ($update) $attrs['checked'] = 'checked'; 1868 $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs)); 1869 $form->addElement(form_makeCloseTag('p')); 1870 } 1871 1872 echo NL.'<div id="mediamanager__uploader">'.NL; 1873 html_form('upload', $form); 1874 1875 echo '</div>'.NL; 1876 1877 echo '<p class="maxsize">'; 1878 printf($lang['maxuploadsize'],filesize_h(media_getuploadsize())); 1879 echo '</p>'.NL; 1880 1881 } 1882 1883 /** 1884 * Returns the size uploaded files may have 1885 * 1886 * This uses a conservative approach using the lowest number found 1887 * in any of the limiting ini settings 1888 * 1889 * @returns int size in bytes 1890 */ 1891 function media_getuploadsize(){ 1892 $okay = 0; 1893 1894 $post = (int) php_to_byte(@ini_get('post_max_size')); 1895 $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length')); 1896 $upld = (int) php_to_byte(@ini_get('upload_max_filesize')); 1897 1898 if($post && ($post < $okay || $okay == 0)) $okay = $post; 1899 if($suho && ($suho < $okay || $okay == 0)) $okay = $suho; 1900 if($upld && ($upld < $okay || $okay == 0)) $okay = $upld; 1901 1902 return $okay; 1903 } 1904 1905 /** 1906 * Print the search field form 1907 * 1908 * @author Tobias Sarnowski <sarnowski@cosmocode.de> 1909 * @author Kate Arzamastseva <pshns@ukr.net> 1910 * 1911 * @param string $ns 1912 * @param string $query 1913 * @param bool $fullscreen 1914 */ 1915 function media_searchform($ns,$query='',$fullscreen=false){ 1916 global $lang; 1917 1918 // The default HTML search form 1919 $params = array('id' => 'dw__mediasearch'); 1920 if (!$fullscreen) { 1921 $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php'; 1922 } else { 1923 $params['action'] = media_managerURL(array(), '&'); 1924 } 1925 $form = new Doku_Form($params); 1926 $form->addHidden('ns', $ns); 1927 $form->addHidden($fullscreen ? 'mediado' : 'do', 'searchlist'); 1928 1929 $form->addElement(form_makeOpenTag('p')); 1930 $form->addElement( 1931 form_makeTextField( 1932 'q', 1933 $query, 1934 $lang['searchmedia'], 1935 '', 1936 '', 1937 array('title' => sprintf($lang['searchmedia_in'], hsc($ns) . ':*')) 1938 ) 1939 ); 1940 $form->addElement(form_makeButton('submit', '', $lang['btn_search'])); 1941 $form->addElement(form_makeCloseTag('p')); 1942 html_form('searchmedia', $form); 1943 } 1944 1945 /** 1946 * Build a tree outline of available media namespaces 1947 * 1948 * @author Andreas Gohr <andi@splitbrain.org> 1949 * 1950 * @param string $ns 1951 */ 1952 function media_nstree($ns){ 1953 global $conf; 1954 global $lang; 1955 1956 // currently selected namespace 1957 $ns = cleanID($ns); 1958 if(empty($ns)){ 1959 global $ID; 1960 $ns = (string)getNS($ID); 1961 } 1962 1963 $ns_dir = utf8_encodeFN(str_replace(':','/',$ns)); 1964 1965 $data = array(); 1966 search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true)); 1967 1968 // wrap a list with the root level around the other namespaces 1969 array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true', 1970 'label' => '['.$lang['mediaroot'].']')); 1971 1972 // insert the current ns into the hierarchy if it isn't already part of it 1973 $ns_parts = explode(':', $ns); 1974 $tmp_ns = ''; 1975 $pos = 0; 1976 foreach ($ns_parts as $level => $part) { 1977 if ($tmp_ns) $tmp_ns .= ':'.$part; 1978 else $tmp_ns = $part; 1979 1980 // find the namespace parts or insert them 1981 while ($data[$pos]['id'] != $tmp_ns) { 1982 if ( 1983 $pos >= count($data) || 1984 ( 1985 $data[$pos]['level'] <= $level+1 && 1986 strnatcmp(utf8_encodeFN($data[$pos]['id']), utf8_encodeFN($tmp_ns)) > 0 1987 ) 1988 ) { 1989 array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true'))); 1990 break; 1991 } 1992 ++$pos; 1993 } 1994 } 1995 1996 echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li'); 1997 } 1998 1999 /** 2000 * Userfunction for html_buildlist 2001 * 2002 * Prints a media namespace tree item 2003 * 2004 * @author Andreas Gohr <andi@splitbrain.org> 2005 * 2006 * @param array $item 2007 * @return string html 2008 */ 2009 function media_nstree_item($item){ 2010 global $INPUT; 2011 $pos = strrpos($item['id'], ':'); 2012 $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0); 2013 if(empty($item['label'])) $item['label'] = $label; 2014 2015 $ret = ''; 2016 if (!($INPUT->str('do') == 'media')) 2017 $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">'; 2018 else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files')) 2019 .'" class="idx_dir">'; 2020 $ret .= $item['label']; 2021 $ret .= '</a>'; 2022 return $ret; 2023 } 2024 2025 /** 2026 * Userfunction for html_buildlist 2027 * 2028 * Prints a media namespace tree item opener 2029 * 2030 * @author Andreas Gohr <andi@splitbrain.org> 2031 * 2032 * @param array $item 2033 * @return string html 2034 */ 2035 function media_nstree_li($item){ 2036 $class='media level'.$item['level']; 2037 if($item['open']){ 2038 $class .= ' open'; 2039 $img = DOKU_BASE.'lib/images/minus.gif'; 2040 $alt = '−'; 2041 }else{ 2042 $class .= ' closed'; 2043 $img = DOKU_BASE.'lib/images/plus.gif'; 2044 $alt = '+'; 2045 } 2046 // TODO: only deliver an image if it actually has a subtree... 2047 return '<li class="'.$class.'">'. 2048 '<img src="'.$img.'" alt="'.$alt.'" />'; 2049 } 2050 2051 /** 2052 * Resizes the given image to the given size 2053 * 2054 * @author Andreas Gohr <andi@splitbrain.org> 2055 * 2056 * @param string $file filename, path to file 2057 * @param string $ext extension 2058 * @param int $w desired width 2059 * @param int $h desired height 2060 * @return string path to resized or original size if failed 2061 */ 2062 function media_resize_image($file, $ext, $w, $h=0){ 2063 global $conf; 2064 2065 $info = @getimagesize($file); //get original size 2066 if($info == false) return $file; // that's no image - it's a spaceship! 2067 2068 if(!$h) $h = round(($w * $info[1]) / $info[0]); 2069 if(!$w) $w = round(($h * $info[0]) / $info[1]); 2070 2071 // we wont scale up to infinity 2072 if($w > 2000 || $h > 2000) return $file; 2073 2074 // resize necessary? - (w,h) = native dimensions 2075 if(($w == $info[0]) && ($h == $info[1])) return $file; 2076 2077 //cache 2078 $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext); 2079 $mtime = @filemtime($local); // 0 if not exists 2080 2081 if($mtime > filemtime($file) || 2082 media_resize_imageIM($ext, $file, $info[0], $info[1], $local, $w, $h) || 2083 media_resize_imageGD($ext, $file, $info[0], $info[1], $local, $w, $h) 2084 ) { 2085 if(!empty($conf['fperm'])) @chmod($local, $conf['fperm']); 2086 return $local; 2087 } 2088 //still here? resizing failed 2089 return $file; 2090 } 2091 2092 /** 2093 * Crops the given image to the wanted ratio, then calls media_resize_image to scale it 2094 * to the wanted size 2095 * 2096 * Crops are centered horizontally but prefer the upper third of an vertical 2097 * image because most pics are more interesting in that area (rule of thirds) 2098 * 2099 * @author Andreas Gohr <andi@splitbrain.org> 2100 * 2101 * @param string $file filename, path to file 2102 * @param string $ext extension 2103 * @param int $w desired width 2104 * @param int $h desired height 2105 * @return string path to resized or original size if failed 2106 */ 2107 function media_crop_image($file, $ext, $w, $h=0){ 2108 global $conf; 2109 2110 if(!$h) $h = $w; 2111 $info = @getimagesize($file); //get original size 2112 if($info == false) return $file; // that's no image - it's a spaceship! 2113 2114 // calculate crop size 2115 $fr = $info[0]/$info[1]; 2116 $tr = $w/$h; 2117 2118 // check if the crop can be handled completely by resize, 2119 // i.e. the specified width & height match the aspect ratio of the source image 2120 if ($w == round($h*$fr)) { 2121 return media_resize_image($file, $ext, $w); 2122 } 2123 2124 if($tr >= 1){ 2125 if($tr > $fr){ 2126 $cw = $info[0]; 2127 $ch = (int) ($info[0]/$tr); 2128 }else{ 2129 $cw = (int) ($info[1]*$tr); 2130 $ch = $info[1]; 2131 } 2132 }else{ 2133 if($tr < $fr){ 2134 $cw = (int) ($info[1]*$tr); 2135 $ch = $info[1]; 2136 }else{ 2137 $cw = $info[0]; 2138 $ch = (int) ($info[0]/$tr); 2139 } 2140 } 2141 // calculate crop offset 2142 $cx = (int) (($info[0]-$cw)/2); 2143 $cy = (int) (($info[1]-$ch)/3); 2144 2145 //cache 2146 $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext); 2147 $mtime = @filemtime($local); // 0 if not exists 2148 2149 if( $mtime > @filemtime($file) || 2150 media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) || 2151 media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){ 2152 if(!empty($conf['fperm'])) @chmod($local, $conf['fperm']); 2153 return media_resize_image($local,$ext, $w, $h); 2154 } 2155 2156 //still here? cropping failed 2157 return media_resize_image($file,$ext, $w, $h); 2158 } 2159 2160 /** 2161 * Calculate a token to be used to verify fetch requests for resized or 2162 * cropped images have been internally generated - and prevent external 2163 * DDOS attacks via fetch 2164 * 2165 * @author Christopher Smith <chris@jalakai.co.uk> 2166 * 2167 * @param string $id id of the image 2168 * @param int $w resize/crop width 2169 * @param int $h resize/crop height 2170 * @return string token or empty string if no token required 2171 */ 2172 function media_get_token($id,$w,$h){ 2173 // token is only required for modified images 2174 if ($w || $h || media_isexternal($id)) { 2175 $token = $id; 2176 if ($w) $token .= '.'.$w; 2177 if ($h) $token .= '.'.$h; 2178 2179 return substr(\dokuwiki\PassHash::hmac('md5', $token, auth_cookiesalt()),0,6); 2180 } 2181 2182 return ''; 2183 } 2184 2185 /** 2186 * Download a remote file and return local filename 2187 * 2188 * returns false if download fails. Uses cached file if available and 2189 * wanted 2190 * 2191 * @author Andreas Gohr <andi@splitbrain.org> 2192 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2193 * 2194 * @param string $url 2195 * @param string $ext extension 2196 * @param int $cache cachetime in seconds 2197 * @return false|string path to cached file 2198 */ 2199 function media_get_from_URL($url,$ext,$cache){ 2200 global $conf; 2201 2202 // if no cache or fetchsize just redirect 2203 if ($cache==0) return false; 2204 if (!$conf['fetchsize']) return false; 2205 2206 $local = getCacheName(strtolower($url),".media.$ext"); 2207 $mtime = @filemtime($local); // 0 if not exists 2208 2209 //decide if download needed: 2210 if(($mtime == 0) || // cache does not exist 2211 ($cache != -1 && $mtime < time() - $cache) // 'recache' and cache has expired 2212 ) { 2213 if(media_image_download($url, $local)) { 2214 return $local; 2215 } else { 2216 return false; 2217 } 2218 } 2219 2220 //if cache exists use it else 2221 if($mtime) return $local; 2222 2223 //else return false 2224 return false; 2225 } 2226 2227 /** 2228 * Download image files 2229 * 2230 * @author Andreas Gohr <andi@splitbrain.org> 2231 * 2232 * @param string $url 2233 * @param string $file path to file in which to put the downloaded content 2234 * @return bool 2235 */ 2236 function media_image_download($url,$file){ 2237 global $conf; 2238 $http = new DokuHTTPClient(); 2239 $http->keep_alive = false; // we do single ops here, no need for keep-alive 2240 2241 $http->max_bodysize = $conf['fetchsize']; 2242 $http->timeout = 25; //max. 25 sec 2243 $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i'; 2244 2245 $data = $http->get($url); 2246 if(!$data) return false; 2247 2248 $fileexists = file_exists($file); 2249 $fp = @fopen($file,"w"); 2250 if(!$fp) return false; 2251 fwrite($fp,$data); 2252 fclose($fp); 2253 if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']); 2254 2255 // check if it is really an image 2256 $info = @getimagesize($file); 2257 if(!$info){ 2258 @unlink($file); 2259 return false; 2260 } 2261 2262 return true; 2263 } 2264 2265 /** 2266 * resize images using external ImageMagick convert program 2267 * 2268 * @author Pavel Vitis <Pavel.Vitis@seznam.cz> 2269 * @author Andreas Gohr <andi@splitbrain.org> 2270 * 2271 * @param string $ext extension 2272 * @param string $from filename path to file 2273 * @param int $from_w original width 2274 * @param int $from_h original height 2275 * @param string $to path to resized file 2276 * @param int $to_w desired width 2277 * @param int $to_h desired height 2278 * @return bool 2279 */ 2280 function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){ 2281 global $conf; 2282 2283 // check if convert is configured 2284 if(!$conf['im_convert']) return false; 2285 2286 // prepare command 2287 $cmd = $conf['im_convert']; 2288 $cmd .= ' -resize '.$to_w.'x'.$to_h.'!'; 2289 if ($ext == 'jpg' || $ext == 'jpeg') { 2290 $cmd .= ' -quality '.$conf['jpg_quality']; 2291 } 2292 $cmd .= " $from $to"; 2293 2294 @exec($cmd,$out,$retval); 2295 if ($retval == 0) return true; 2296 return false; 2297 } 2298 2299 /** 2300 * crop images using external ImageMagick convert program 2301 * 2302 * @author Andreas Gohr <andi@splitbrain.org> 2303 * 2304 * @param string $ext extension 2305 * @param string $from filename path to file 2306 * @param int $from_w original width 2307 * @param int $from_h original height 2308 * @param string $to path to resized file 2309 * @param int $to_w desired width 2310 * @param int $to_h desired height 2311 * @param int $ofs_x offset of crop centre 2312 * @param int $ofs_y offset of crop centre 2313 * @return bool 2314 */ 2315 function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){ 2316 global $conf; 2317 2318 // check if convert is configured 2319 if(!$conf['im_convert']) return false; 2320 2321 // prepare command 2322 $cmd = $conf['im_convert']; 2323 $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y; 2324 if ($ext == 'jpg' || $ext == 'jpeg') { 2325 $cmd .= ' -quality '.$conf['jpg_quality']; 2326 } 2327 $cmd .= " $from $to"; 2328 2329 @exec($cmd,$out,$retval); 2330 if ($retval == 0) return true; 2331 return false; 2332 } 2333 2334 /** 2335 * resize or crop images using PHP's libGD support 2336 * 2337 * @author Andreas Gohr <andi@splitbrain.org> 2338 * @author Sebastian Wienecke <s_wienecke@web.de> 2339 * 2340 * @param string $ext extension 2341 * @param string $from filename path to file 2342 * @param int $from_w original width 2343 * @param int $from_h original height 2344 * @param string $to path to resized file 2345 * @param int $to_w desired width 2346 * @param int $to_h desired height 2347 * @param int $ofs_x offset of crop centre 2348 * @param int $ofs_y offset of crop centre 2349 * @return bool 2350 */ 2351 function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){ 2352 global $conf; 2353 2354 if($conf['gdlib'] < 1) return false; //no GDlib available or wanted 2355 2356 // check available memory 2357 if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){ 2358 return false; 2359 } 2360 2361 // create an image of the given filetype 2362 $image = false; 2363 if ($ext == 'jpg' || $ext == 'jpeg'){ 2364 if(!function_exists("imagecreatefromjpeg")) return false; 2365 $image = @imagecreatefromjpeg($from); 2366 }elseif($ext == 'png') { 2367 if(!function_exists("imagecreatefrompng")) return false; 2368 $image = @imagecreatefrompng($from); 2369 2370 }elseif($ext == 'gif') { 2371 if(!function_exists("imagecreatefromgif")) return false; 2372 $image = @imagecreatefromgif($from); 2373 } 2374 if(!$image) return false; 2375 2376 $newimg = false; 2377 if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){ 2378 $newimg = @imagecreatetruecolor ($to_w, $to_h); 2379 } 2380 if(!$newimg) $newimg = @imagecreate($to_w, $to_h); 2381 if(!$newimg){ 2382 imagedestroy($image); 2383 return false; 2384 } 2385 2386 //keep png alpha channel if possible 2387 if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){ 2388 imagealphablending($newimg, false); 2389 imagesavealpha($newimg,true); 2390 } 2391 2392 //keep gif transparent color if possible 2393 if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) { 2394 if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) { 2395 $transcolorindex = @imagecolortransparent($image); 2396 if($transcolorindex >= 0 ) { //transparent color exists 2397 $transcolor = @imagecolorsforindex($image, $transcolorindex); 2398 $transcolorindex = @imagecolorallocate( 2399 $newimg, 2400 $transcolor['red'], 2401 $transcolor['green'], 2402 $transcolor['blue'] 2403 ); 2404 @imagefill($newimg, 0, 0, $transcolorindex); 2405 @imagecolortransparent($newimg, $transcolorindex); 2406 }else{ //filling with white 2407 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2408 @imagefill($newimg, 0, 0, $whitecolorindex); 2409 } 2410 }else{ //filling with white 2411 $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255); 2412 @imagefill($newimg, 0, 0, $whitecolorindex); 2413 } 2414 } 2415 2416 //try resampling first 2417 if(function_exists("imagecopyresampled")){ 2418 if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) { 2419 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2420 } 2421 }else{ 2422 imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h); 2423 } 2424 2425 $okay = false; 2426 if ($ext == 'jpg' || $ext == 'jpeg'){ 2427 if(!function_exists('imagejpeg')){ 2428 $okay = false; 2429 }else{ 2430 $okay = imagejpeg($newimg, $to, $conf['jpg_quality']); 2431 } 2432 }elseif($ext == 'png') { 2433 if(!function_exists('imagepng')){ 2434 $okay = false; 2435 }else{ 2436 $okay = imagepng($newimg, $to); 2437 } 2438 }elseif($ext == 'gif') { 2439 if(!function_exists('imagegif')){ 2440 $okay = false; 2441 }else{ 2442 $okay = imagegif($newimg, $to); 2443 } 2444 } 2445 2446 // destroy GD image ressources 2447 if($image) imagedestroy($image); 2448 if($newimg) imagedestroy($newimg); 2449 2450 return $okay; 2451 } 2452 2453 /** 2454 * Return other media files with the same base name 2455 * but different extensions. 2456 * 2457 * @param string $src - ID of media file 2458 * @param string[] $exts - alternative extensions to find other files for 2459 * @return array - array(mime type => file ID) 2460 * 2461 * @author Anika Henke <anika@selfthinker.org> 2462 */ 2463 function media_alternativefiles($src, $exts){ 2464 2465 $files = array(); 2466 list($srcExt, /* $srcMime */) = mimetype($src); 2467 $filebase = substr($src, 0, -1 * (strlen($srcExt)+1)); 2468 2469 foreach($exts as $ext) { 2470 $fileid = $filebase.'.'.$ext; 2471 $file = mediaFN($fileid); 2472 if(file_exists($file)) { 2473 list(/* $fileExt */, $fileMime) = mimetype($file); 2474 $files[$fileMime] = $fileid; 2475 } 2476 } 2477 return $files; 2478 } 2479 2480 /** 2481 * Check if video/audio is supported to be embedded. 2482 * 2483 * @param string $mime - mimetype of media file 2484 * @param string $type - type of media files to check ('video', 'audio', or null for all) 2485 * @return boolean 2486 * 2487 * @author Anika Henke <anika@selfthinker.org> 2488 */ 2489 function media_supportedav($mime, $type=NULL){ 2490 $supportedAudio = array( 2491 'ogg' => 'audio/ogg', 2492 'mp3' => 'audio/mpeg', 2493 'wav' => 'audio/wav', 2494 ); 2495 $supportedVideo = array( 2496 'webm' => 'video/webm', 2497 'ogv' => 'video/ogg', 2498 'mp4' => 'video/mp4', 2499 ); 2500 if ($type == 'audio') { 2501 $supportedAv = $supportedAudio; 2502 } elseif ($type == 'video') { 2503 $supportedAv = $supportedVideo; 2504 } else { 2505 $supportedAv = array_merge($supportedAudio, $supportedVideo); 2506 } 2507 return in_array($mime, $supportedAv); 2508 } 2509 2510 /** 2511 * Return track media files with the same base name 2512 * but extensions that indicate kind and lang. 2513 * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt... 2514 * 2515 * @param string $src - ID of media file 2516 * @return array - array(mediaID => array( kind, srclang )) 2517 * 2518 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 2519 */ 2520 function media_trackfiles($src){ 2521 $kinds=array( 2522 'sub' => 'subtitles', 2523 'cap' => 'captions', 2524 'des' => 'descriptions', 2525 'cha' => 'chapters', 2526 'met' => 'metadata' 2527 ); 2528 2529 $files = array(); 2530 $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/'; 2531 $baseid=pathinfo($src, PATHINFO_FILENAME); 2532 $pattern=mediaFN($baseid).'.*.*.vtt'; 2533 $list=glob($pattern); 2534 foreach($list as $track) { 2535 if(preg_match($re, $track, $matches)){ 2536 $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array( 2537 $kinds[$matches[1]], 2538 $matches[2], 2539 ); 2540 } 2541 } 2542 return $files; 2543 } 2544 2545 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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