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-rw-r--r--lib/dokuwiki/inc/media.php1102
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diff --git a/lib/dokuwiki/inc/media.php b/lib/dokuwiki/inc/media.php
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+<?php
+/**
+ * All output and handler function needed for the media management popup
+ *
+ * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+
+if(!defined('DOKU_INC')) die('meh.');
+if(!defined('NL')) define('NL',"\n");
+require_once(DOKU_INC.'inc/html.php');
+require_once(DOKU_INC.'inc/search.php');
+require_once(DOKU_INC.'inc/JpegMeta.php');
+
+/**
+ * Lists pages which currently use a media file selected for deletion
+ *
+ * References uses the same visual as search results and share
+ * their CSS tags except pagenames won't be links.
+ *
+ * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
+ */
+function media_filesinuse($data,$id){
+ global $lang;
+ echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>';
+ echo '<p>'.hsc($lang['ref_inuse']).'</p>';
+
+ $hidden=0; //count of hits without read permission
+ foreach($data as $row){
+ if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){
+ echo '<div class="search_result">';
+ echo '<span class="mediaref_ref">'.hsc($row).'</span>';
+ echo '</div>';
+ }else
+ $hidden++;
+ }
+ if ($hidden){
+ print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>';
+ }
+}
+
+/**
+ * Handles the saving of image meta data
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_metasave($id,$auth,$data){
+ if($auth < AUTH_UPLOAD) return false;
+ if(!checkSecurityToken()) return false;
+ global $lang;
+ global $conf;
+ $src = mediaFN($id);
+
+ $meta = new JpegMeta($src);
+ $meta->_parseAll();
+
+ foreach($data as $key => $val){
+ $val=trim($val);
+ if(empty($val)){
+ $meta->deleteField($key);
+ }else{
+ $meta->setField($key,$val);
+ }
+ }
+
+ if($meta->save()){
+ if($conf['fperm']) chmod($src, $conf['fperm']);
+ msg($lang['metasaveok'],1);
+ return $id;
+ }else{
+ msg($lang['metasaveerr'],-1);
+ return false;
+ }
+}
+
+/**
+ * Display the form to edit image meta data
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_metaform($id,$auth){
+ if($auth < AUTH_UPLOAD) return false;
+ global $lang, $config_cascade;
+
+ // load the field descriptions
+ static $fields = null;
+ if(is_null($fields)){
+
+ foreach (array('default','local') as $config_group) {
+ if (empty($config_cascade['mediameta'][$config_group])) continue;
+ foreach ($config_cascade['mediameta'][$config_group] as $config_file) {
+ if(@file_exists($config_file)){
+ include($config_file);
+ }
+ }
+ }
+ }
+
+ $src = mediaFN($id);
+
+ // output
+ echo '<h1>'.hsc(noNS($id)).'</h1>'.NL;
+ echo '<form action="'.DOKU_BASE.'lib/exe/mediamanager.php" accept-charset="utf-8" method="post" class="meta">'.NL;
+ formSecurityToken();
+ foreach($fields as $key => $field){
+ // get current value
+ $tags = array($field[0]);
+ if(is_array($field[3])) $tags = array_merge($tags,$field[3]);
+ $value = tpl_img_getTag($tags,'',$src);
+ $value = cleanText($value);
+
+ // prepare attributes
+ $p = array();
+ $p['class'] = 'edit';
+ $p['id'] = 'meta__'.$key;
+ $p['name'] = 'meta['.$field[0].']';
+
+ // put label
+ echo '<div class="metafield">';
+ echo '<label for="meta__'.$key.'">';
+ echo ($lang[$field[1]]) ? $lang[$field[1]] : $field[1];
+ echo ':</label>';
+
+ // put input field
+ if($field[2] == 'text'){
+ $p['value'] = $value;
+ $p['type'] = 'text';
+ $att = buildAttributes($p);
+ echo "<input $att/>".NL;
+ }else{
+ $att = buildAttributes($p);
+ echo "<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'.NL;
+ }
+ echo '</div>'.NL;
+ }
+ echo '<div class="buttons">'.NL;
+ echo '<input type="hidden" name="img" value="'.hsc($id).'" />'.NL;
+ echo '<input name="do[save]" type="submit" value="'.$lang['btn_save'].
+ '" title="'.$lang['btn_save'].' [S]" accesskey="s" class="button" />'.NL;
+ echo '<input name="do[cancel]" type="submit" value="'.$lang['btn_cancel'].
+ '" title="'.$lang['btn_cancel'].' [C]" accesskey="c" class="button" />'.NL;
+ echo '</div>'.NL;
+ echo '</form>'.NL;
+}
+
+/**
+ * Conveinience function to check if a media file is still in use
+ *
+ * @author Michael Klier <chi@chimeric.de>
+ */
+function media_inuse($id) {
+ global $conf;
+ $mediareferences = array();
+ if($conf['refcheck']){
+ require_once(DOKU_INC.'inc/fulltext.php');
+ $mediareferences = ft_mediause($id,$conf['refshow']);
+ if(!count($mediareferences)) {
+ return false;
+ } else {
+ return $mediareferences;
+ }
+ } else {
+ return false;
+ }
+}
+
+/**
+ * Handles media file deletions
+ *
+ * If configured, checks for media references before deletion
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @return mixed false on error, true on delete or array with refs
+ */
+function media_delete($id,$auth){
+ if($auth < AUTH_DELETE) return false;
+ if(!checkSecurityToken()) return false;
+ global $conf;
+ global $lang;
+
+ $file = mediaFN($id);
+
+ // trigger an event - MEDIA_DELETE_FILE
+ $data['id'] = $id;
+ $data['name'] = basename($file);
+ $data['path'] = $file;
+ $data['size'] = (@file_exists($file)) ? filesize($file) : 0;
+
+ $data['unl'] = false;
+ $data['del'] = false;
+ $evt = new Doku_Event('MEDIA_DELETE_FILE',$data);
+ if ($evt->advise_before()) {
+ $data['unl'] = @unlink($file);
+ if($data['unl']){
+ addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE);
+ $data['del'] = io_sweepNS($id,'mediadir');
+ }
+ }
+ $evt->advise_after();
+ unset($evt);
+
+ if($data['unl'] && $data['del']){
+ // current namespace was removed. redirecting to root ns passing msg along
+ send_redirect(DOKU_URL.'lib/exe/mediamanager.php?msg1='.
+ rawurlencode(sprintf(noNS($id),$lang['deletesucc'])));
+ }
+
+ return $data['unl'];
+}
+
+/**
+ * Handles media file uploads
+ *
+ * This generates an action event and delegates to _media_upload_action().
+ * Action plugins are allowed to pre/postprocess the uploaded file.
+ * (The triggered event is preventable.)
+ *
+ * Event data:
+ * $data[0] fn_tmp: the temporary file name (read from $_FILES)
+ * $data[1] fn: the file name of the uploaded file
+ * $data[2] id: the future directory id of the uploaded file
+ * $data[3] imime: the mimetype of the uploaded file
+ * $data[4] overwrite: if an existing file is going to be overwritten
+ *
+ * @triggers MEDIA_UPLOAD_FINISH
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Michael Klier <chi@chimeric.de>
+ * @return mixed false on error, id of the new file on success
+ */
+function media_upload($ns,$auth){
+ if($auth < AUTH_UPLOAD) return false;
+ if(!checkSecurityToken()) return false;
+ require_once(DOKU_INC.'inc/confutils.php');
+ global $lang;
+ global $conf;
+
+ // get file and id
+ $id = $_POST['id'];
+ $file = $_FILES['upload'];
+ if(empty($id)) $id = $file['name'];
+
+ // check for errors (messages are done in lib/exe/mediamanager.php)
+ if($file['error']) return false;
+
+ // check extensions
+ list($fext,$fmime,$dl) = mimetype($file['name']);
+ list($iext,$imime,$dl) = mimetype($id);
+ if($fext && !$iext){
+ // no extension specified in id - read original one
+ $id .= '.'.$fext;
+ $imime = $fmime;
+ }elseif($fext && $fext != $iext){
+ // extension was changed, print warning
+ msg(sprintf($lang['mediaextchange'],$fext,$iext));
+ }
+
+ // get filename
+ $id = cleanID($ns.':'.$id,false,true);
+ $fn = mediaFN($id);
+
+ // get filetype regexp
+ $types = array_keys(getMimeTypes());
+ $types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
+ $regex = join('|',$types);
+
+ // because a temp file was created already
+ if(preg_match('/\.('.$regex.')$/i',$fn)){
+ //check for overwrite
+ $overwrite = @file_exists($fn);
+ if($overwrite && (!$_REQUEST['ow'] || $auth < AUTH_DELETE)){
+ msg($lang['uploadexist'],0);
+ return false;
+ }
+ // check for valid content
+ $ok = media_contentcheck($file['tmp_name'],$imime);
+ if($ok == -1){
+ msg(sprintf($lang['uploadbadcontent'],".$iext"),-1);
+ return false;
+ }elseif($ok == -2){
+ msg($lang['uploadspam'],-1);
+ return false;
+ }elseif($ok == -3){
+ msg($lang['uploadxss'],-1);
+ return false;
+ }
+
+ // prepare event data
+ $data[0] = $file['tmp_name'];
+ $data[1] = $fn;
+ $data[2] = $id;
+ $data[3] = $imime;
+ $data[4] = $overwrite;
+
+ // trigger event
+ return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true);
+
+ }else{
+ msg($lang['uploadwrong'],-1);
+ }
+ return false;
+}
+
+/**
+ * Callback adapter for media_upload_finish()
+ * @author Michael Klier <chi@chimeric.de>
+ */
+function _media_upload_action($data) {
+ // fixme do further sanity tests of given data?
+ if(is_array($data) && count($data)===5) {
+ return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4]);
+ } else {
+ return false; //callback error
+ }
+}
+
+/**
+ * Saves an uploaded media file
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Michael Klier <chi@chimeric.de>
+ */
+function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite) {
+ global $conf;
+ global $lang;
+
+ // prepare directory
+ io_createNamespace($id, 'media');
+
+ if(move_uploaded_file($fn_tmp, $fn)) {
+ // Set the correct permission here.
+ // Always chmod media because they may be saved with different permissions than expected from the php umask.
+ // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.)
+ chmod($fn, $conf['fmode']);
+ msg($lang['uploadsucc'],1);
+ media_notify($id,$fn,$imime);
+ // add a log entry to the media changelog
+ if ($overwrite) {
+ addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_EDIT);
+ } else {
+ addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_CREATE);
+ }
+ return $id;
+ }else{
+ msg($lang['uploadfail'],-1);
+ }
+}
+
+/**
+ * This function checks if the uploaded content is really what the
+ * mimetype says it is. We also do spam checking for text types here.
+ *
+ * We need to do this stuff because we can not rely on the browser
+ * to do this check correctly. Yes, IE is broken as usual.
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting
+ * @fixme check all 26 magic IE filetypes here?
+ */
+function media_contentcheck($file,$mime){
+ global $conf;
+ if($conf['iexssprotect']){
+ $fh = @fopen($file, 'rb');
+ if($fh){
+ $bytes = fread($fh, 256);
+ fclose($fh);
+ if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){
+ return -3;
+ }
+ }
+ }
+ if(substr($mime,0,6) == 'image/'){
+ $info = @getimagesize($file);
+ if($mime == 'image/gif' && $info[2] != 1){
+ return -1;
+ }elseif($mime == 'image/jpeg' && $info[2] != 2){
+ return -1;
+ }elseif($mime == 'image/png' && $info[2] != 3){
+ return -1;
+ }
+ # fixme maybe check other images types as well
+ }elseif(substr($mime,0,5) == 'text/'){
+ global $TEXT;
+ $TEXT = io_readFile($file);
+ if(checkwordblock()){
+ return -2;
+ }
+ }
+ return 0;
+}
+
+/**
+ * Send a notify mail on uploads
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_notify($id,$file,$mime){
+ global $lang;
+ global $conf;
+ if(empty($conf['notify'])) return; //notify enabled?
+
+ $ip = clientIP();
+
+ $text = rawLocale('uploadmail');
+ $text = str_replace('@DATE@',dformat(),$text);
+ $text = str_replace('@BROWSER@',$_SERVER['HTTP_USER_AGENT'],$text);
+ $text = str_replace('@IPADDRESS@',$ip,$text);
+ $text = str_replace('@HOSTNAME@',gethostsbyaddrs($ip),$text);
+ $text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
+ $text = str_replace('@USER@',$_SERVER['REMOTE_USER'],$text);
+ $text = str_replace('@MIME@',$mime,$text);
+ $text = str_replace('@MEDIA@',ml($id,'',true,'&',true),$text);
+ $text = str_replace('@SIZE@',filesize_h(filesize($file)),$text);
+
+ $from = $conf['mailfrom'];
+ $from = str_replace('@USER@',$_SERVER['REMOTE_USER'],$from);
+ $from = str_replace('@NAME@',$INFO['userinfo']['name'],$from);
+ $from = str_replace('@MAIL@',$INFO['userinfo']['mail'],$from);
+
+ $subject = '['.$conf['title'].'] '.$lang['mail_upload'].' '.$id;
+
+ mail_send($conf['notify'],$subject,$text,$from);
+}
+
+/**
+ * List all files in a given Media namespace
+ */
+function media_filelist($ns,$auth=null,$jump=''){
+ global $conf;
+ global $lang;
+ $ns = cleanID($ns);
+
+ // check auth our self if not given (needed for ajax calls)
+ if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
+
+ echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
+
+ if($auth < AUTH_READ){
+ // FIXME: print permission warning here instead?
+ echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
+ }else{
+ media_uploadform($ns, $auth);
+
+ $dir = utf8_encodeFN(str_replace(':','/',$ns));
+ $data = array();
+ search($data,$conf['mediadir'],'search_media',
+ array('showmsg'=>true,'depth'=>1),$dir);
+
+ if(!count($data)){
+ echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
+ }else foreach($data as $item){
+ media_printfile($item,$auth,$jump);
+ }
+ }
+ media_searchform($ns);
+}
+
+/**
+ * List all files found by the search request
+ *
+ * @author Tobias Sarnowski <sarnowski@cosmocode.de>
+ * @author Andreas Gohr <gohr@cosmocode.de>
+ * @triggers MEDIA_SEARCH
+ */
+function media_searchlist($query,$ns,$auth=null){
+ global $conf;
+ global $lang;
+ $ns = cleanID($ns);
+
+ if ($query) {
+ $evdata = array(
+ 'ns' => $ns,
+ 'data' => array(),
+ 'query' => $query
+ );
+ $evt = new Doku_Event('MEDIA_SEARCH', $evdata);
+ if ($evt->advise_before()) {
+ $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns']));
+ $pattern = '/'.preg_quote($evdata['query'],'/').'/i';
+ search($evdata['data'],
+ $conf['mediadir'],
+ 'search_media',
+ array('showmsg'=>false,'pattern'=>$pattern),
+ $dir);
+ }
+ $evt->advise_after();
+ unset($evt);
+ }
+
+ echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL;
+ media_searchform($ns,$query);
+
+ if(!count($evdata['data'])){
+ echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
+ }else foreach($evdata['data'] as $item){
+ media_printfile($item,$item['perm'],'',true);
+ }
+}
+
+/**
+ * Print action links for a file depending on filetype
+ * and available permissions
+ */
+function media_fileactions($item,$auth){
+ global $lang;
+
+ // view button
+ $link = ml($item['id'],'',true);
+ echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_MEDIA.'lib/images/magnifier.png" '.
+ 'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>';
+
+ // no further actions if not writable
+ if(!$item['writable']) return;
+
+ // delete button
+ if($auth >= AUTH_DELETE){
+ echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
+ '&amp;sectok='.getSecurityToken().'" class="btn_media_delete" title="'.$item['id'].'">'.
+ '<img src="'.DOKU_MEDIA.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
+ 'title="'.$lang['btn_delete'].'" class="btn" /></a>';
+ }
+
+ // edit button
+ if($auth >= AUTH_UPLOAD && $item['isimg'] && $item['meta']->getField('File.Mime') == 'image/jpeg'){
+ echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?edit='.rawurlencode($item['id']).'">'.
+ '<img src="'.DOKU_MEDIA.'lib/images/pencil.png" alt="'.$lang['metaedit'].'" '.
+ 'title="'.$lang['metaedit'].'" class="btn" /></a>';
+ }
+
+}
+
+/**
+ * Formats and prints one file in the list
+ */
+function media_printfile($item,$auth,$jump,$display_namespace=false){
+ global $lang;
+ global $conf;
+
+ // Prepare zebra coloring
+ // I always wanted to use this variable name :-D
+ static $twibble = 1;
+ $twibble *= -1;
+ $zebra = ($twibble == -1) ? 'odd' : 'even';
+
+ // Automatically jump to recent action
+ if($jump == $item['id']) {
+ $jump = ' id="scroll__here" ';
+ }else{
+ $jump = '';
+ }
+
+ // Prepare fileicons
+ list($ext,$mime,$dl) = mimetype($item['file'],false);
+ $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
+ $class = 'select mediafile mf_'.$class;
+
+ // Prepare filename
+ $file = utf8_decodeFN($item['file']);
+
+ // Prepare info
+ $info = '';
+ if($item['isimg']){
+ $info .= (int) $item['meta']->getField('File.Width');
+ $info .= '&#215;';
+ $info .= (int) $item['meta']->getField('File.Height');
+ $info .= ' ';
+ }
+ $info .= '<i>'.dformat($item['mtime']).'</i>';
+ $info .= ' ';
+ $info .= filesize_h($item['size']);
+
+ // output
+ echo '<div class="'.$zebra.'"'.$jump.'>'.NL;
+ if (!$display_namespace) {
+ echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> ';
+ } else {
+ echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>';
+ }
+ echo '<span class="info">('.$info.')</span>'.NL;
+ media_fileactions($item,$auth);
+ echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">';
+ echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>';
+ echo '</div>';
+ if($item['isimg']) media_printimgdetail($item);
+ echo '<div class="clearer"></div>'.NL;
+ echo '</div>'.NL;
+}
+
+/**
+ * Prints a thumbnail and metainfos
+ */
+function media_printimgdetail($item){
+ // prepare thumbnail
+ $w = (int) $item['meta']->getField('File.Width');
+ $h = (int) $item['meta']->getField('File.Height');
+ if($w>120 || $h>120){
+ $ratio = $item['meta']->getResizeRatio(120);
+ $w = floor($w * $ratio);
+ $h = floor($h * $ratio);
+ }
+ $src = ml($item['id'],array('w'=>$w,'h'=>$h));
+ $p = array();
+ $p['width'] = $w;
+ $p['height'] = $h;
+ $p['alt'] = $item['id'];
+ $p['class'] = 'thumb';
+ $att = buildAttributes($p);
+
+ // output
+ echo '<div class="detail">';
+ echo '<div class="thumb">';
+ echo '<a name="d_:'.$item['id'].'" class="select">';
+ echo '<img src="'.$src.'" '.$att.' />';
+ echo '</a>';
+ echo '</div>';
+
+ // read EXIF/IPTC data
+ $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title'));
+ $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment',
+ 'EXIF.TIFFImageDescription',
+ 'EXIF.TIFFUserComment'));
+ if(utf8_strlen($d) > 250) $d = utf8_substr($d,0,250).'...';
+ $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject'));
+
+ // print EXIF/IPTC data
+ if($t || $d || $k ){
+ echo '<p>';
+ if($t) echo '<strong>'.htmlspecialchars($t).'</strong><br />';
+ if($d) echo htmlspecialchars($d).'<br />';
+ if($t) echo '<em>'.htmlspecialchars($k).'</em>';
+ echo '</p>';
+ }
+ echo '</div>';
+}
+
+/**
+ * Print the media upload form if permissions are correct
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_uploadform($ns, $auth){
+ global $lang;
+
+ if($auth < AUTH_UPLOAD) return; //fixme print info on missing permissions?
+
+ // The default HTML upload form
+ $form = new Doku_Form(array('id' => 'dw__upload',
+ 'action' => DOKU_BASE.'lib/exe/mediamanager.php',
+ 'enctype' => 'multipart/form-data'));
+ $form->addElement('<div class="upload">' . $lang['mediaupload'] . '</div>');
+ $form->addElement(formSecurityToken());
+ $form->addHidden('ns', hsc($ns));
+ $form->addElement(form_makeOpenTag('p'));
+ $form->addElement(form_makeFileField('upload', $lang['txt_upload'].':', 'upload__file'));
+ $form->addElement(form_makeCloseTag('p'));
+ $form->addElement(form_makeOpenTag('p'));
+ $form->addElement(form_makeTextField('id', '', $lang['txt_filename'].':', 'upload__name'));
+ $form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
+ $form->addElement(form_makeCloseTag('p'));
+
+ if($auth >= AUTH_DELETE){
+ $form->addElement(form_makeOpenTag('p'));
+ $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check'));
+ $form->addElement(form_makeCloseTag('p'));
+ }
+ html_form('upload', $form);
+
+ // prepare flashvars for multiupload
+ $opt = array(
+ 'L_gridname' => $lang['mu_gridname'] ,
+ 'L_gridsize' => $lang['mu_gridsize'] ,
+ 'L_gridstat' => $lang['mu_gridstat'] ,
+ 'L_namespace' => $lang['mu_namespace'] ,
+ 'L_overwrite' => $lang['txt_overwrt'],
+ 'L_browse' => $lang['mu_browse'],
+ 'L_upload' => $lang['btn_upload'],
+ 'L_toobig' => $lang['mu_toobig'],
+ 'L_ready' => $lang['mu_ready'],
+ 'L_done' => $lang['mu_done'],
+ 'L_fail' => $lang['mu_fail'],
+ 'L_authfail' => $lang['mu_authfail'],
+ 'L_progress' => $lang['mu_progress'],
+ 'L_filetypes' => $lang['mu_filetypes'],
+ 'L_info' => $lang['mu_info'],
+ 'L_lasterr' => $lang['mu_lasterr'],
+
+ 'O_ns' => ":$ns",
+ 'O_backend' => 'mediamanager.php?'.session_name().'='.session_id(),
+ 'O_maxsize' => php_to_byte(ini_get('upload_max_filesize')),
+ 'O_extensions'=> join('|',array_keys(getMimeTypes())),
+ 'O_overwrite' => ($auth >= AUTH_DELETE),
+ 'O_sectok' => getSecurityToken(),
+ 'O_authtok' => auth_createToken(),
+ );
+ $var = buildURLparams($opt);
+ // output the flash uploader
+ ?>
+ <div id="dw__flashupload" style="display:none">
+ <div class="upload"><?php echo $lang['mu_intro']?></div>
+ <?php echo html_flashobject('multipleUpload.swf','500','190',null,$opt); ?>
+ </div>
+ <?php
+}
+
+/**
+ * Print the search field form
+ *
+ * @author Tobias Sarnowski <sarnowski@cosmocode.de>
+ */
+function media_searchform($ns,$query=''){
+ global $lang;
+
+ // The default HTML search form
+ $form = new Doku_Form(array('id' => 'dw__mediasearch', 'action' => DOKU_BASE.'lib/exe/mediamanager.php'));
+ $form->addElement('<div class="upload">' . $lang['mediasearch'] . '</div>');
+ $form->addElement(formSecurityToken());
+ $form->addHidden('ns', $ns);
+ $form->addHidden('do', 'searchlist');
+ $form->addElement(form_makeOpenTag('p'));
+ $form->addElement(form_makeTextField('q', $query,$lang['searchmedia'],'','',array('title'=>sprintf($lang['searchmedia_in'],hsc($ns).':*'))));
+ $form->addElement(form_makeButton('submit', '', $lang['btn_search']));
+ $form->addElement(form_makeCloseTag('p'));
+ html_form('searchmedia', $form);
+}
+
+/**
+ * Build a tree outline of available media namespaces
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_nstree($ns){
+ global $conf;
+ global $lang;
+
+ // currently selected namespace
+ $ns = cleanID($ns);
+ if(empty($ns)){
+ $ns = dirname(str_replace(':','/',$ID));
+ if($ns == '.') $ns ='';
+ }
+ $ns = utf8_encodeFN(str_replace(':','/',$ns));
+
+ $data = array();
+ search($data,$conf['mediadir'],'search_index',array('ns' => $ns, 'nofiles' => true));
+
+ // wrap a list with the root level around the other namespaces
+ $item = array( 'level' => 0, 'id' => '',
+ 'open' =>'true', 'label' => '['.$lang['mediaroot'].']');
+
+ echo '<ul class="idx">';
+ echo media_nstree_li($item);
+ echo media_nstree_item($item);
+ echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
+ echo '</li>';
+ echo '</ul>';
+}
+
+/**
+ * Userfunction for html_buildlist
+ *
+ * Prints a media namespace tree item
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_nstree_item($item){
+ $pos = strrpos($item['id'], ':');
+ $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
+ if(!$item['label']) $item['label'] = $label;
+
+ $ret = '';
+ $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
+ $ret .= $item['label'];
+ $ret .= '</a>';
+ return $ret;
+}
+
+/**
+ * Userfunction for html_buildlist
+ *
+ * Prints a media namespace tree item opener
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_nstree_li($item){
+ $class='media level'.$item['level'];
+ if($item['open']){
+ $class .= ' open';
+ $img = DOKU_BASE.'lib/images/minus.gif';
+ $alt = '&minus;';
+ }else{
+ $class .= ' closed';
+ $img = DOKU_BASE.'lib/images/plus.gif';
+ $alt = '+';
+ }
+ return '<li class="'.$class.'">'.
+ '<img src="'.$img.'" alt="'.$alt.'" />';
+}
+
+/**
+ * Resizes the given image to the given size
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_resize_image($file, $ext, $w, $h=0){
+ global $conf;
+
+ $info = @getimagesize($file); //get original size
+ if($info == false) return $file; // that's no image - it's a spaceship!
+
+ if(!$h) $h = round(($w * $info[1]) / $info[0]);
+
+ // we wont scale up to infinity
+ if($w > 2000 || $h > 2000) return $file;
+
+ //cache
+ $local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext);
+ $mtime = @filemtime($local); // 0 if not exists
+
+ if( $mtime > filemtime($file) ||
+ media_resize_imageIM($ext,$file,$info[0],$info[1],$local,$w,$h) ||
+ media_resize_imageGD($ext,$file,$info[0],$info[1],$local,$w,$h) ){
+ if($conf['fperm']) chmod($local, $conf['fperm']);
+ return $local;
+ }
+ //still here? resizing failed
+ return $file;
+}
+
+/**
+ * Crops the given image to the wanted ratio, then calls media_resize_image to scale it
+ * to the wanted size
+ *
+ * Crops are centered horizontally but prefer the upper third of an vertical
+ * image because most pics are more interesting in that area (rule of thirds)
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_crop_image($file, $ext, $w, $h=0){
+ global $conf;
+
+ if(!$h) $h = $w;
+ $info = @getimagesize($file); //get original size
+ if($info == false) return $file; // that's no image - it's a spaceship!
+
+ // calculate crop size
+ $fr = $info[0]/$info[1];
+ $tr = $w/$h;
+ if($tr >= 1){
+ if($tr > $fr){
+ $cw = $info[0];
+ $ch = (int) $info[0]/$tr;
+ }else{
+ $cw = (int) $info[1]*$tr;
+ $ch = $info[1];
+ }
+ }else{
+ if($tr < $fr){
+ $cw = (int) $info[1]*$tr;
+ $ch = $info[1];
+ }else{
+ $cw = $info[0];
+ $ch = (int) $info[0]/$tr;
+ }
+ }
+ // calculate crop offset
+ $cx = (int) ($info[0]-$cw)/2;
+ $cy = (int) ($info[1]-$ch)/3;
+
+ //cache
+ $local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext);
+ $mtime = @filemtime($local); // 0 if not exists
+
+ if( $mtime > filemtime($file) ||
+ media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) ||
+ media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){
+ if($conf['fperm']) chmod($local, $conf['fperm']);
+ return media_resize_image($local,$ext, $w, $h);
+ }
+
+ //still here? cropping failed
+ return media_resize_image($file,$ext, $w, $h);
+}
+
+/**
+ * Download a remote file and return local filename
+ *
+ * returns false if download fails. Uses cached file if available and
+ * wanted
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Pavel Vitis <Pavel.Vitis@seznam.cz>
+ */
+function media_get_from_URL($url,$ext,$cache){
+ global $conf;
+
+ // if no cache or fetchsize just redirect
+ if ($cache==0) return false;
+ if (!$conf['fetchsize']) return false;
+
+ $local = getCacheName(strtolower($url),".media.$ext");
+ $mtime = @filemtime($local); // 0 if not exists
+
+ //decide if download needed:
+ if( ($mtime == 0) || // cache does not exist
+ ($cache != -1 && $mtime < time()-$cache) // 'recache' and cache has expired
+ ){
+ if(media_image_download($url,$local)){
+ return $local;
+ }else{
+ return false;
+ }
+ }
+
+ //if cache exists use it else
+ if($mtime) return $local;
+
+ //else return false
+ return false;
+}
+
+/**
+ * Download image files
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_image_download($url,$file){
+ global $conf;
+ $http = new DokuHTTPClient();
+ $http->max_bodysize = $conf['fetchsize'];
+ $http->timeout = 25; //max. 25 sec
+ $http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i';
+
+ $data = $http->get($url);
+ if(!$data) return false;
+
+ $fileexists = @file_exists($file);
+ $fp = @fopen($file,"w");
+ if(!$fp) return false;
+ fwrite($fp,$data);
+ fclose($fp);
+ if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']);
+
+ // check if it is really an image
+ $info = @getimagesize($file);
+ if(!$info){
+ @unlink($file);
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * resize images using external ImageMagick convert program
+ *
+ * @author Pavel Vitis <Pavel.Vitis@seznam.cz>
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){
+ global $conf;
+
+ // check if convert is configured
+ if(!$conf['im_convert']) return false;
+
+ // prepare command
+ $cmd = $conf['im_convert'];
+ $cmd .= ' -resize '.$to_w.'x'.$to_h.'!';
+ if ($ext == 'jpg' || $ext == 'jpeg') {
+ $cmd .= ' -quality '.$conf['jpg_quality'];
+ }
+ $cmd .= " $from $to";
+
+ @exec($cmd,$out,$retval);
+ if ($retval == 0) return true;
+ return false;
+}
+
+/**
+ * crop images using external ImageMagick convert program
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){
+ global $conf;
+
+ // check if convert is configured
+ if(!$conf['im_convert']) return false;
+
+ // prepare command
+ $cmd = $conf['im_convert'];
+ $cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y;
+ if ($ext == 'jpg' || $ext == 'jpeg') {
+ $cmd .= ' -quality '.$conf['jpg_quality'];
+ }
+ $cmd .= " $from $to";
+
+ @exec($cmd,$out,$retval);
+ if ($retval == 0) return true;
+ return false;
+}
+
+/**
+ * resize or crop images using PHP's libGD support
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Sebastian Wienecke <s_wienecke@web.de>
+ */
+function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){
+ global $conf;
+
+ if($conf['gdlib'] < 1) return false; //no GDlib available or wanted
+
+ // check available memory
+ if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){
+ return false;
+ }
+
+ // create an image of the given filetype
+ if ($ext == 'jpg' || $ext == 'jpeg'){
+ if(!function_exists("imagecreatefromjpeg")) return false;
+ $image = @imagecreatefromjpeg($from);
+ }elseif($ext == 'png') {
+ if(!function_exists("imagecreatefrompng")) return false;
+ $image = @imagecreatefrompng($from);
+
+ }elseif($ext == 'gif') {
+ if(!function_exists("imagecreatefromgif")) return false;
+ $image = @imagecreatefromgif($from);
+ }
+ if(!$image) return false;
+
+ if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){
+ $newimg = @imagecreatetruecolor ($to_w, $to_h);
+ }
+ if(!$newimg) $newimg = @imagecreate($to_w, $to_h);
+ if(!$newimg){
+ imagedestroy($image);
+ return false;
+ }
+
+ //keep png alpha channel if possible
+ if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){
+ imagealphablending($newimg, false);
+ imagesavealpha($newimg,true);
+ }
+
+ //keep gif transparent color if possible
+ if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) {
+ if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) {
+ $transcolorindex = @imagecolortransparent($image);
+ if($transcolorindex >= 0 ) { //transparent color exists
+ $transcolor = @imagecolorsforindex($image, $transcolorindex);
+ $transcolorindex = @imagecolorallocate($newimg, $transcolor['red'], $transcolor['green'], $transcolor['blue']);
+ @imagefill($newimg, 0, 0, $transcolorindex);
+ @imagecolortransparent($newimg, $transcolorindex);
+ }else{ //filling with white
+ $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
+ @imagefill($newimg, 0, 0, $whitecolorindex);
+ }
+ }else{ //filling with white
+ $whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
+ @imagefill($newimg, 0, 0, $whitecolorindex);
+ }
+ }
+
+ //try resampling first
+ if(function_exists("imagecopyresampled")){
+ if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) {
+ imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
+ }
+ }else{
+ imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
+ }
+
+ $okay = false;
+ if ($ext == 'jpg' || $ext == 'jpeg'){
+ if(!function_exists('imagejpeg')){
+ $okay = false;
+ }else{
+ $okay = imagejpeg($newimg, $to, $conf['jpg_quality']);
+ }
+ }elseif($ext == 'png') {
+ if(!function_exists('imagepng')){
+ $okay = false;
+ }else{
+ $okay = imagepng($newimg, $to);
+ }
+ }elseif($ext == 'gif') {
+ if(!function_exists('imagegif')){
+ $okay = false;
+ }else{
+ $okay = imagegif($newimg, $to);
+ }
+ }
+
+ // destroy GD image ressources
+ if($image) imagedestroy($image);
+ if($newimg) imagedestroy($newimg);
+
+ return $okay;
+}
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 22:59:00 +0000