removed dokuwiki

1 files changed, 0 insertions, 2498 deletions

diff --git a/wiki/inc/media.php b/wiki/inc/media.php
deleted file mode 100644
index 1284660..0000000
--- a/wiki/inc/media.php
+++ /dev/null
@@ -1,2498 +0,0 @@
-<?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");
-
-/**
- * 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>
- *
- * @param array $data
- * @param string $id
- */
-function media_filesinuse($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>
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $id media id
- * @param int $auth permission level
- * @param array $data
- * @return false|string
- */
-function media_metasave($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);
-        }
-    }
-
-    $old = @filemtime($src);
-    if(!file_exists(mediaFN($id, $old)) && file_exists($src)) {
-        // add old revision to the attic
-        media_saveOldRevision($id);
-    }
-    $filesize_old = filesize($src);
-    if($meta->save()){
-        if($conf['fperm']) chmod($src, $conf['fperm']);
-        @clearstatcache(true, $src);
-        $new = @filemtime($src);
-        $filesize_new = filesize($src);
-        $sizechange = $filesize_new - $filesize_old;
-
-        // add a log entry to the media changelog
-        addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange);
-
-        msg($lang['metasaveok'],1);
-        return $id;
-    }else{
-        msg($lang['metasaveerr'],-1);
-        return false;
-    }
-}
-
-/**
- * check if a media is external source
- *
- * @author Gerrit Uitslag <klapinklapin@gmail.com>
- *
- * @param string $id the media ID or URL
- * @return bool
- */
-function media_isexternal($id){
-    if (preg_match('#^(?:https?|ftp)://#i', $id)) return true;
-    return false;
-}
-
-/**
- * Check if a media item is public (eg, external URL or readable by @ALL)
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $id  the media ID or URL
- * @return bool
- */
-function media_ispublic($id){
-    if(media_isexternal($id)) return true;
-    $id = cleanID($id);
-    if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true;
-    return false;
-}
-
-/**
- * Display the form to edit image meta data
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $id media id
- * @param int $auth permission level
- * @return bool
- */
-function media_metaform($id,$auth){
-    global $lang;
-
-    if($auth < AUTH_UPLOAD) {
-        echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL;
-        return false;
-    }
-
-    // load the field descriptions
-    static $fields = null;
-    if(is_null($fields)){
-        $config_files = getConfigFiles('mediameta');
-        foreach ($config_files as $config_file) {
-            if(file_exists($config_file)) include($config_file);
-        }
-    }
-
-    $src = mediaFN($id);
-
-    // output
-    $form = new Doku_Form(array('action' => media_managerURL(array('tab_details' => 'view'), '&'),
-                                'class' => 'meta'));
-    $form->addHidden('img', $id);
-    $form->addHidden('mediado', 'save');
-    foreach($fields as $key => $field){
-        // get current value
-        if (empty($field[0])) continue;
-        $tags = array($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].']';
-        $p_attrs    = array('class' => 'edit');
-
-        $form->addElement('<div class="row">');
-        if($field[2] == 'text'){
-            $form->addElement(form_makeField('text', $p['name'], $value, ($lang[$field[1]]) ? $lang[$field[1]] : $field[1] . ':', $p['id'], $p['class'], $p_attrs));
-        }else{
-            $att = buildAttributes($p);
-            $form->addElement('<label for="meta__'.$key.'">'.$lang[$field[1]].'</label>');
-            $form->addElement("<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>');
-        }
-        $form->addElement('</div>'.NL);
-    }
-    $form->addElement('<div class="buttons">');
-    $form->addElement(form_makeButton('submit', '', $lang['btn_save'], array('accesskey' => 's', 'name' => 'mediado[save]')));
-    $form->addElement('</div>'.NL);
-    $form->printForm();
-
-    return true;
-}
-
-/**
- * Convenience function to check if a media file is still in use
- *
- * @author Michael Klier <chi@chimeric.de>
- *
- * @param string $id media id
- * @return array|bool
- */
-function media_inuse($id) {
-    global $conf;
-
-    if($conf['refcheck']){
-        $mediareferences = ft_mediause($id,true);
-        if(!count($mediareferences)) {
-            return false;
-        } else {
-            return $mediareferences;
-        }
-    } else {
-        return false;
-    }
-}
-
-define('DOKU_MEDIA_DELETED', 1);
-define('DOKU_MEDIA_NOT_AUTH', 2);
-define('DOKU_MEDIA_INUSE', 4);
-define('DOKU_MEDIA_EMPTY_NS', 8);
-
-/**
- * Handles media file deletions
- *
- * If configured, checks for media references before deletion
- *
- * @author             Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $id media id
- * @param int $auth no longer used
- * @return int One of: 0,
- *                     DOKU_MEDIA_DELETED,
- *                     DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS,
- *                     DOKU_MEDIA_NOT_AUTH,
- *                     DOKU_MEDIA_INUSE
- */
-function media_delete($id,$auth){
-    global $lang;
-    $auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':'));
-    if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH;
-    if(media_inuse($id)) return DOKU_MEDIA_INUSE;
-
-    $file = mediaFN($id);
-
-    // trigger an event - MEDIA_DELETE_FILE
-    $data = array();
-    $data['id']   = $id;
-    $data['name'] = utf8_basename($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()) {
-        $old = @filemtime($file);
-        if(!file_exists(mediaFN($id, $old)) && file_exists($file)) {
-            // add old revision to the attic
-            media_saveOldRevision($id);
-        }
-
-        $data['unl'] = @unlink($file);
-        if($data['unl']) {
-            $sizechange = 0 - $data['size'];
-            addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange);
-
-            $data['del'] = io_sweepNS($id, 'mediadir');
-        }
-    }
-    $evt->advise_after();
-    unset($evt);
-
-    if($data['unl'] && $data['del']){
-        return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS;
-    }
-
-    return $data['unl'] ? DOKU_MEDIA_DELETED : 0;
-}
-
-/**
- * Handle file uploads via XMLHttpRequest
- *
- * @param string $ns   target namespace
- * @param int    $auth current auth check result
- * @return false|string false on error, id of the new file on success
- */
-function media_upload_xhr($ns,$auth){
-    if(!checkSecurityToken()) return false;
-    global $INPUT;
-
-    $id = $INPUT->get->str('qqfile');
-    list($ext,$mime) = mimetype($id);
-    $input = fopen("php://input", "r");
-    if (!($tmp = io_mktmpdir())) return false;
-    $path = $tmp.'/'.md5($id);
-    $target = fopen($path, "w");
-    $realSize = stream_copy_to_stream($input, $target);
-    fclose($target);
-    fclose($input);
-    if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){
-        unlink($path);
-        return false;
-    }
-
-    $res = media_save(
-        array('name' => $path,
-            'mime' => $mime,
-            'ext'  => $ext),
-        $ns.':'.$id,
-        (($INPUT->get->str('ow') == 'true') ? true : false),
-        $auth,
-        'copy'
-    );
-    unlink($path);
-    if ($tmp) io_rmdir($tmp, true);
-    if (is_array($res)) {
-        msg($res[0], $res[1]);
-        return false;
-    }
-    return $res;
-}
-
-/**
- * Handles media file uploads
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Michael Klier <chi@chimeric.de>
- *
- * @param string     $ns    target namespace
- * @param int        $auth  current auth check result
- * @param bool|array $file  $_FILES member, $_FILES['upload'] if false
- * @return false|string false on error, id of the new file on success
- */
-function media_upload($ns,$auth,$file=false){
-    if(!checkSecurityToken()) return false;
-    global $lang;
-    global $INPUT;
-
-    // get file and id
-    $id   = $INPUT->post->str('mediaid');
-    if (!$file) $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) = mimetype($file['name']);
-    list($iext,$imime) = mimetype($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));
-    }
-
-    $res = media_save(array('name' => $file['tmp_name'],
-                            'mime' => $imime,
-                            'ext'  => $iext), $ns.':'.$id,
-                      $INPUT->post->bool('ow'), $auth, 'copy_uploaded_file');
-    if (is_array($res)) {
-        msg($res[0], $res[1]);
-        return false;
-    }
-    return $res;
-}
-
-/**
- * An alternative to move_uploaded_file that copies
- *
- * Using copy, makes sure any setgid bits on the media directory are honored
- *
- * @see   move_uploaded_file()
- *
- * @param string $from
- * @param string $to
- * @return bool
- */
-function copy_uploaded_file($from, $to){
-    if(!is_uploaded_file($from)) return false;
-    $ok = copy($from, $to);
-    @unlink($from);
-    return $ok;
-}
-
-/**
- * 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
- * $data[5]     move:      name of function that performs move/copy/..
- *
- * @triggers MEDIA_UPLOAD_FINISH
- *
- * @param array  $file
- * @param string $id   media id
- * @param bool   $ow   overwrite?
- * @param int    $auth permission level
- * @param string $move name of functions that performs move/copy/..
- * @return false|array|string
- */
-function media_save($file, $id, $ow, $auth, $move) {
-    if($auth < AUTH_UPLOAD) {
-        return array("You don't have permissions to upload files.", -1);
-    }
-
-    if (!isset($file['mime']) || !isset($file['ext'])) {
-        list($ext, $mime) = mimetype($id);
-        if (!isset($file['mime'])) {
-            $file['mime'] = $mime;
-        }
-        if (!isset($file['ext'])) {
-            $file['ext'] = $ext;
-        }
-    }
-
-    global $lang, $conf;
-
-    // get filename
-    $id   = cleanID($id);
-    $fn   = mediaFN($id);
-
-    // get filetype regexp
-    $types = array_keys(getMimeTypes());
-    $types = array_map(
-        function ($q) {
-            return preg_quote($q, "/");
-        },
-        $types
-    );
-    $regex = join('|',$types);
-
-    // because a temp file was created already
-    if(!preg_match('/\.('.$regex.')$/i',$fn)) {
-        return array($lang['uploadwrong'],-1);
-    }
-
-    //check for overwrite
-    $overwrite = file_exists($fn);
-    $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
-    if($overwrite && (!$ow || $auth < $auth_ow)) {
-        return array($lang['uploadexist'], 0);
-    }
-    // check for valid content
-    $ok = media_contentcheck($file['name'], $file['mime']);
-    if($ok == -1){
-        return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1);
-    }elseif($ok == -2){
-        return array($lang['uploadspam'],-1);
-    }elseif($ok == -3){
-        return array($lang['uploadxss'],-1);
-    }
-
-    // prepare event data
-    $data = array();
-    $data[0] = $file['name'];
-    $data[1] = $fn;
-    $data[2] = $id;
-    $data[3] = $file['mime'];
-    $data[4] = $overwrite;
-    $data[5] = $move;
-
-    // trigger event
-    return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true);
-}
-
-/**
- * Callback adapter for media_upload_finish() triggered by MEDIA_UPLOAD_FINISH
- *
- * @author Michael Klier <chi@chimeric.de>
- *
- * @param array $data event data
- * @return false|array|string
- */
-function _media_upload_action($data) {
-    // fixme do further sanity tests of given data?
-    if(is_array($data) && count($data)===6) {
-        return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]);
-    } else {
-        return false; //callback error
-    }
-}
-
-/**
- * Saves an uploaded media file
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Michael Klier <chi@chimeric.de>
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $fn_tmp
- * @param string $fn
- * @param string $id        media id
- * @param string $imime     mime type
- * @param bool   $overwrite overwrite existing?
- * @param string $move      function name
- * @return array|string
- */
-function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') {
-    global $conf;
-    global $lang;
-    global $REV;
-
-    $old = @filemtime($fn);
-    if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) {
-        // add old revision to the attic if missing
-        media_saveOldRevision($id);
-    }
-
-    // prepare directory
-    io_createNamespace($id, 'media');
-
-    $filesize_old = file_exists($fn) ? filesize($fn) : 0;
-
-    if($move($fn_tmp, $fn)) {
-        @clearstatcache(true,$fn);
-        $new = @filemtime($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,$imime,$old);
-        // add a log entry to the media changelog
-        $filesize_new = filesize($fn);
-        $sizechange = $filesize_new - $filesize_old;
-        if($REV) {
-            addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_REVERT, sprintf($lang['restored'], dformat($REV)), $REV, null, $sizechange);
-        } elseif($overwrite) {
-            addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange);
-        } else {
-            addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange);
-        }
-        return $id;
-    }else{
-        return array($lang['uploadfail'],-1);
-    }
-}
-
-/**
- * Moves the current version of media file to the media_attic
- * directory
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $id
- * @return int - revision date
- */
-function media_saveOldRevision($id){
-    global $conf, $lang;
-
-    $oldf = mediaFN($id);
-    if(!file_exists($oldf)) return '';
-    $date = filemtime($oldf);
-    if (!$conf['mediarevisions']) return $date;
-
-    $medialog = new MediaChangeLog($id);
-    if (!$medialog->getRevisionInfo($date)) {
-        // there was an external edit,
-        // there is no log entry for current version of file
-        $sizechange = filesize($oldf);
-        if(!file_exists(mediaMetaFN($id, '.changes'))) {
-            addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange);
-        } else {
-            $oldRev = $medialog->getRevisions(-1, 1); // from changelog
-            $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]);
-            $filesize_old = filesize(mediaFN($id, $oldRev));
-            $sizechange = $sizechange - $filesize_old;
-
-            addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange);
-        }
-    }
-
-    $newf = mediaFN($id,$date);
-    io_makeFileDir($newf);
-    if(copy($oldf, $newf)) {
-        // 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 $conf['fperm'] is set.)
-        chmod($newf, $conf['fmode']);
-    }
-    return $date;
-}
-
-/**
- * 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?
- *
- * @param string $file path to file
- * @param string $mime mimetype
- * @return int
- */
-function media_contentcheck($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; //XSS: possibly malicious content
-            }
-        }
-    }
-    if(substr($mime,0,6) == 'image/'){
-        $info = @getimagesize($file);
-        if($mime == 'image/gif' && $info[2] != 1){
-            return -1; // uploaded content did not match the file extension
-        }elseif($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; //blocked by the spam blacklist
-        }
-    }
-    return 0;
-}
-
-/**
- * Send a notify mail on uploads
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string   $id      media id
- * @param string   $file    path to file
- * @param string   $mime    mime type
- * @param bool|int $old_rev revision timestamp or false
- * @return bool
- */
-function media_notify($id,$file,$mime,$old_rev=false){
-    global $conf;
-    if(empty($conf['notify'])) return false; //notify enabled?
-
-    $subscription = new Subscription();
-    return $subscription->send_media_diff($conf['notify'], 'uploadmail', $id, $old_rev);
-}
-
-/**
- * List all files in a given Media namespace
- *
- * @param string      $ns             namespace
- * @param null|int    $auth           permission level
- * @param string      $jump           id
- * @param bool        $fullscreenview
- * @param bool|string $sort           sorting order, false skips sorting
- */
-function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){
-    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:*");
-
-    if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
-
-    if($auth < AUTH_READ){
-        // FIXME: print permission warning here instead?
-        echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
-    }else{
-        if (!$fullscreenview) {
-            media_uploadform($ns, $auth);
-            media_searchform($ns);
-        }
-
-        $dir = utf8_encodeFN(str_replace(':','/',$ns));
-        $data = array();
-        search($data,$conf['mediadir'],'search_media',
-                array('showmsg'=>true,'depth'=>1),$dir,1,$sort);
-
-        if(!count($data)){
-            echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
-        }else {
-            if ($fullscreenview) {
-                echo '<ul class="' . _media_get_list_type() . '">';
-            }
-            foreach($data as $item){
-                if (!$fullscreenview) {
-                    media_printfile($item,$auth,$jump);
-                } else {
-                    media_printfile_thumbs($item,$auth,$jump);
-                }
-            }
-            if ($fullscreenview) echo '</ul>'.NL;
-        }
-    }
-}
-
-/**
- * Prints tabs for files list actions
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- * @author Adrian Lang <mail@adrianlang.de>
- *
- * @param string $selected_tab - opened tab
- */
-
-function media_tabs_files($selected_tab = ''){
-    global $lang;
-    $tabs = array();
-    foreach(array('files'  => 'mediaselect',
-                  'upload' => 'media_uploadtab',
-                  'search' => 'media_searchtab') as $tab => $caption) {
-        $tabs[$tab] = array('href'    => media_managerURL(array('tab_files' => $tab), '&'),
-                            'caption' => $lang[$caption]);
-    }
-
-    html_tabs($tabs, $selected_tab);
-}
-
-/**
- * Prints tabs for files details actions
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- * @param string $image filename of the current image
- * @param string $selected_tab opened tab
- */
-function media_tabs_details($image, $selected_tab = ''){
-    global $lang, $conf;
-
-    $tabs = array();
-    $tabs['view'] = array('href'    => media_managerURL(array('tab_details' => 'view'), '&'),
-                          'caption' => $lang['media_viewtab']);
-
-    list(, $mime) = mimetype($image);
-    if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) {
-        $tabs['edit'] = array('href'    => media_managerURL(array('tab_details' => 'edit'), '&'),
-                              'caption' => $lang['media_edittab']);
-    }
-    if ($conf['mediarevisions']) {
-        $tabs['history'] = array('href'    => media_managerURL(array('tab_details' => 'history'), '&'),
-                                 'caption' => $lang['media_historytab']);
-    }
-
-    html_tabs($tabs, $selected_tab);
-}
-
-/**
- * Prints options for the tab that displays a list of all files
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- */
-function media_tab_files_options(){
-    global $lang;
-    global $INPUT;
-    global $ID;
-    $form = new Doku_Form(array('class' => 'options', 'method' => 'get',
-                                'action' => wl($ID)));
-    $media_manager_params = media_managerURL(array(), '', false, true);
-    foreach($media_manager_params as $pKey => $pVal){
-        $form->addHidden($pKey, $pVal);
-    }
-    $form->addHidden('sectok', null);
-    if ($INPUT->has('q')) {
-        $form->addHidden('q', $INPUT->str('q'));
-    }
-    $form->addElement('<ul>'.NL);
-    foreach(array('list' => array('listType', array('thumbs', 'rows')),
-                  'sort' => array('sortBy', array('name', 'date')))
-            as $group => $content) {
-        $checked = "_media_get_${group}_type";
-        $checked = $checked();
-
-        $form->addElement('<li class="' . $content[0] . '">');
-        foreach($content[1] as $option) {
-            $attrs = array();
-            if ($checked == $option) {
-                $attrs['checked'] = 'checked';
-            }
-            $form->addElement(form_makeRadioField($group . '_dwmedia', $option,
-                                       $lang['media_' . $group . '_' . $option],
-                                                  $content[0] . '__' . $option,
-                                                  $option, $attrs));
-        }
-        $form->addElement('</li>'.NL);
-    }
-    $form->addElement('<li>');
-    $form->addElement(form_makeButton('submit', '', $lang['btn_apply']));
-    $form->addElement('</li>'.NL);
-    $form->addElement('</ul>'.NL);
-    $form->printForm();
-}
-
-/**
- * Returns type of sorting for the list of files in media manager
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @return string - sort type
- */
-function _media_get_sort_type() {
-    return _media_get_display_param('sort', array('default' => 'name', 'date'));
-}
-
-/**
- * Returns type of listing for the list of files in media manager
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @return string - list type
- */
-function _media_get_list_type() {
-    return _media_get_display_param('list', array('default' => 'thumbs', 'rows'));
-}
-
-/**
- * Get display parameters
- *
- * @param string $param   name of parameter
- * @param array  $values  allowed values, where default value has index key 'default'
- * @return string the parameter value
- */
-function _media_get_display_param($param, $values) {
-    global $INPUT;
-    if (in_array($INPUT->str($param), $values)) {
-        // FIXME: Set cookie
-        return $INPUT->str($param);
-    } else {
-        $val = get_doku_pref($param, $values['default']);
-        if (!in_array($val, $values)) {
-            $val = $values['default'];
-        }
-        return $val;
-    }
-}
-
-/**
- * Prints tab that displays a list of all files
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string    $ns
- * @param null|int  $auth permission level
- * @param string    $jump item id
- */
-function media_tab_files($ns,$auth=null,$jump='') {
-    global $lang;
-    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
-
-    if($auth < AUTH_READ){
-        echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
-    }else{
-        media_filelist($ns,$auth,$jump,true,_media_get_sort_type());
-    }
-}
-
-/**
- * Prints tab that displays uploading form
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string   $ns
- * @param null|int $auth permission level
- * @param string   $jump item id
- */
-function media_tab_upload($ns,$auth=null,$jump='') {
-    global $lang;
-    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
-
-    echo '<div class="upload">'.NL;
-    if ($auth >= AUTH_UPLOAD) {
-        echo '<p>' . $lang['mediaupload'] . '</p>';
-    }
-    media_uploadform($ns, $auth, true);
-    echo '</div>'.NL;
-}
-
-/**
- * Prints tab that displays search form
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $ns
- * @param null|int $auth permission level
- */
-function media_tab_search($ns,$auth=null) {
-    global $INPUT;
-
-    $do = $INPUT->str('mediado');
-    $query = $INPUT->str('q');
-    echo '<div class="search">'.NL;
-
-    media_searchform($ns, $query, true);
-    if ($do == 'searchlist' || $query) {
-        media_searchlist($query,$ns,$auth,true,_media_get_sort_type());
-    }
-    echo '</div>'.NL;
-}
-
-/**
- * Prints tab that displays mediafile details
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string     $image media id
- * @param string     $ns
- * @param null|int   $auth  permission level
- * @param string|int $rev   revision timestamp or empty string
- */
-function media_tab_view($image, $ns, $auth=null, $rev='') {
-    global $lang;
-    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
-
-    if ($image && $auth >= AUTH_READ) {
-        $meta = new JpegMeta(mediaFN($image, $rev));
-        media_preview($image, $auth, $rev, $meta);
-        media_preview_buttons($image, $auth, $rev);
-        media_details($image, $auth, $rev, $meta);
-
-    } else {
-        echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
-    }
-}
-
-/**
- * Prints tab that displays form for editing mediafile metadata
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string     $image media id
- * @param string     $ns
- * @param null|int   $auth permission level
- */
-function media_tab_edit($image, $ns, $auth=null) {
-    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
-
-    if ($image) {
-        list(, $mime) = mimetype($image);
-        if ($mime == 'image/jpeg') media_metaform($image,$auth);
-    }
-}
-
-/**
- * Prints tab that displays mediafile revisions
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string     $image media id
- * @param string     $ns
- * @param null|int   $auth permission level
- */
-function media_tab_history($image, $ns, $auth=null) {
-    global $lang;
-    global $INPUT;
-
-    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
-    $do = $INPUT->str('mediado');
-
-    if ($auth >= AUTH_READ && $image) {
-        if ($do == 'diff'){
-            media_diff($image, $ns, $auth);
-        } else {
-            $first = $INPUT->int('first');
-            html_revisions($first, $image);
-        }
-    } else {
-        echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
-    }
-}
-
-/**
- * Prints mediafile details
- *
- * @param string         $image media id
- * @param int            $auth permission level
- * @param int|string     $rev revision timestamp or empty string
- * @param JpegMeta|bool  $meta
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- */
-function media_preview($image, $auth, $rev='', $meta=false) {
-
-    $size = media_image_preview_size($image, $rev, $meta);
-
-    if ($size) {
-        global $lang;
-        echo '<div class="image">';
-
-        $more = array();
-        if ($rev) {
-            $more['rev'] = $rev;
-        } else {
-            $t = @filemtime(mediaFN($image));
-            $more['t'] = $t;
-        }
-
-        $more['w'] = $size[0];
-        $more['h'] = $size[1];
-        $src = ml($image, $more);
-
-        echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">';
-        echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />';
-        echo '</a>';
-
-        echo '</div>'.NL;
-    }
-}
-
-/**
- * Prints mediafile action buttons
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string     $image media id
- * @param int        $auth  permission level
- * @param string|int $rev   revision timestamp, or empty string
- */
-function media_preview_buttons($image, $auth, $rev='') {
-    global $lang, $conf;
-
-    echo '<ul class="actions">'.NL;
-
-    if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){
-
-        // delete button
-        $form = new Doku_Form(array('id' => 'mediamanager__btn_delete',
-            'action'=>media_managerURL(array('delete' => $image), '&')));
-        $form->addElement(form_makeButton('submit','',$lang['btn_delete']));
-        echo '<li>';
-        $form->printForm();
-        echo '</li>'.NL;
-    }
-
-    $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
-    if($auth >= $auth_ow && !$rev){
-
-        // upload new version button
-        $form = new Doku_Form(array('id' => 'mediamanager__btn_update',
-            'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&')));
-        $form->addElement(form_makeButton('submit','',$lang['media_update']));
-        echo '<li>';
-        $form->printForm();
-        echo '</li>'.NL;
-    }
-
-    if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){
-
-        // restore button
-        $form = new Doku_Form(array('id' => 'mediamanager__btn_restore',
-            'action'=>media_managerURL(array('image' => $image), '&')));
-        $form->addHidden('mediado','restore');
-        $form->addHidden('rev',$rev);
-        $form->addElement(form_makeButton('submit','',$lang['media_restore']));
-        echo '<li>';
-        $form->printForm();
-        echo '</li>'.NL;
-    }
-
-    echo '</ul>'.NL;
-}
-
-/**
- * Returns image width and height for mediamanager preview panel
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- * @param string         $image
- * @param int|string     $rev
- * @param JpegMeta|bool  $meta
- * @param int            $size
- * @return array|false
- */
-function media_image_preview_size($image, $rev, $meta, $size = 500) {
-    if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false;
-
-    $info = getimagesize(mediaFN($image, $rev));
-    $w = (int) $info[0];
-    $h = (int) $info[1];
-
-    if($meta && ($w > $size || $h > $size)){
-        $ratio = $meta->getResizeRatio($size, $size);
-        $w = floor($w * $ratio);
-        $h = floor($h * $ratio);
-    }
-    return array($w, $h);
-}
-
-/**
- * Returns the requested EXIF/IPTC tag from the image meta
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param array    $tags array with tags, first existing is returned
- * @param JpegMeta $meta
- * @param string   $alt  alternative value
- * @return string
- */
-function media_getTag($tags,$meta,$alt=''){
-    if($meta === false) return $alt;
-    $info = $meta->getField($tags);
-    if($info == false) return $alt;
-    return $info;
-}
-
-/**
- * Returns mediafile tags
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param JpegMeta $meta
- * @return array list of tags of the mediafile
- */
-function media_file_tags($meta) {
-    // load the field descriptions
-    static $fields = null;
-    if(is_null($fields)){
-        $config_files = getConfigFiles('mediameta');
-        foreach ($config_files as $config_file) {
-            if(file_exists($config_file)) include($config_file);
-        }
-    }
-
-    $tags = array();
-
-    foreach($fields as $key => $tag){
-        $t = array();
-        if (!empty($tag[0])) $t = array($tag[0]);
-        if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]);
-        $value = media_getTag($t, $meta);
-        $tags[] = array('tag' => $tag, 'value' => $value);
-    }
-
-    return $tags;
-}
-
-/**
- * Prints mediafile tags
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string        $image image id
- * @param int           $auth  permission level
- * @param string|int    $rev   revision timestamp, or empty string
- * @param bool|JpegMeta $meta  image object, or create one if false
- */
-function media_details($image, $auth, $rev='', $meta=false) {
-    global $lang;
-
-    if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev));
-    $tags = media_file_tags($meta);
-
-    echo '<dl>'.NL;
-    foreach($tags as $tag){
-        if ($tag['value']) {
-            $value = cleanText($tag['value']);
-            echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>';
-            if ($tag['tag'][2] == 'date') echo dformat($value);
-            else echo hsc($value);
-            echo '</dd>'.NL;
-        }
-    }
-    echo '</dl>'.NL;
-    echo '<dl>'.NL;
-    echo '<dt>'.$lang['reference'].':</dt>';
-    $media_usage = ft_mediause($image,true);
-    if(count($media_usage) > 0){
-        foreach($media_usage as $path){
-            echo '<dd>'.html_wikilink($path).'</dd>';
-        }
-    }else{
-        echo '<dd>'.$lang['nothingfound'].'</dd>';
-    }
-    echo '</dl>'.NL;
-
-}
-
-/**
- * Shows difference between two revisions of file
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $image  image id
- * @param string $ns
- * @param int $auth permission level
- * @param bool $fromajax
- * @return false|null|string
- */
-function media_diff($image, $ns, $auth, $fromajax = false) {
-    global $conf;
-    global $INPUT;
-
-    if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return '';
-
-    $rev1 = $INPUT->int('rev');
-
-    $rev2 = $INPUT->ref('rev2');
-    if(is_array($rev2)){
-        $rev1 = (int) $rev2[0];
-        $rev2 = (int) $rev2[1];
-
-        if(!$rev1){
-            $rev1 = $rev2;
-            unset($rev2);
-        }
-    }else{
-        $rev2 = $INPUT->int('rev2');
-    }
-
-    if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false;
-    if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false;
-
-    if($rev1 && $rev2){            // two specific revisions wanted
-        // make sure order is correct (older on the left)
-        if($rev1 < $rev2){
-            $l_rev = $rev1;
-            $r_rev = $rev2;
-        }else{
-            $l_rev = $rev2;
-            $r_rev = $rev1;
-        }
-    }elseif($rev1){                // single revision given, compare to current
-        $r_rev = '';
-        $l_rev = $rev1;
-    }else{                        // no revision was given, compare previous to current
-        $r_rev = '';
-        $medialog = new MediaChangeLog($image);
-        $revs = $medialog->getRevisions(0, 1);
-        if (file_exists(mediaFN($image, $revs[0]))) {
-            $l_rev = $revs[0];
-        } else {
-            $l_rev = '';
-        }
-    }
-
-    // prepare event data
-    $data = array();
-    $data[0] = $image;
-    $data[1] = $l_rev;
-    $data[2] = $r_rev;
-    $data[3] = $ns;
-    $data[4] = $auth;
-    $data[5] = $fromajax;
-
-    // trigger event
-    return trigger_event('MEDIA_DIFF', $data, '_media_file_diff', true);
-}
-
-/**
- * Callback for media file diff
- *
- * @param array $data event data
- * @return false|null
- */
-function _media_file_diff($data) {
-    if(is_array($data) && count($data)===6) {
-        media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]);
-    } else {
-        return false;
-    }
-}
-
-/**
- * Shows difference between two revisions of image
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $image
- * @param string|int $l_rev revision timestamp, or empty string
- * @param string|int $r_rev revision timestamp, or empty string
- * @param string $ns
- * @param int $auth permission level
- * @param bool $fromajax
- */
-function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){
-    global $lang;
-    global $INPUT;
-
-    $l_meta = new JpegMeta(mediaFN($image, $l_rev));
-    $r_meta = new JpegMeta(mediaFN($image, $r_rev));
-
-    $is_img = preg_match('/\.(jpe?g|gif|png)$/', $image);
-    if ($is_img) {
-        $l_size = media_image_preview_size($image, $l_rev, $l_meta);
-        $r_size = media_image_preview_size($image, $r_rev, $r_meta);
-        $is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30));
-
-        $difftype = $INPUT->str('difftype');
-
-        if (!$fromajax) {
-            $form = new Doku_Form(array(
-                'action' => media_managerURL(array(), '&'),
-                'method' => 'get',
-                'id' => 'mediamanager__form_diffview',
-                'class' => 'diffView'
-            ));
-            $form->addHidden('sectok', null);
-            $form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>');
-            $form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>');
-            $form->addHidden('mediado', 'diff');
-            $form->printForm();
-
-            echo NL.'<div id="mediamanager__diff" >'.NL;
-        }
-
-        if ($difftype == 'opacity' || $difftype == 'portions') {
-            media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype);
-            if (!$fromajax) echo '</div>';
-            return;
-        }
-    }
-
-    list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true);
-
-    ?>
-    <div class="table">
-    <table>
-      <tr>
-        <th><?php echo $l_head; ?></th>
-        <th><?php echo $r_head; ?></th>
-      </tr>
-    <?php
-
-    echo '<tr class="image">';
-    echo '<td>';
-    media_preview($image, $auth, $l_rev, $l_meta);
-    echo '</td>';
-
-    echo '<td>';
-    media_preview($image, $auth, $r_rev, $r_meta);
-    echo '</td>';
-    echo '</tr>'.NL;
-
-    echo '<tr class="actions">';
-    echo '<td>';
-    media_preview_buttons($image, $auth, $l_rev);
-    echo '</td>';
-
-    echo '<td>';
-    media_preview_buttons($image, $auth, $r_rev);
-    echo '</td>';
-    echo '</tr>'.NL;
-
-    $l_tags = media_file_tags($l_meta);
-    $r_tags = media_file_tags($r_meta);
-    // FIXME r_tags-only stuff
-    foreach ($l_tags as $key => $l_tag) {
-        if ($l_tag['value'] != $r_tags[$key]['value']) {
-            $r_tags[$key]['highlighted'] = true;
-            $l_tags[$key]['highlighted'] = true;
-        } else if (!$l_tag['value'] || !$r_tags[$key]['value']) {
-            unset($r_tags[$key]);
-            unset($l_tags[$key]);
-        }
-    }
-
-    echo '<tr>';
-    foreach(array($l_tags,$r_tags) as $tags){
-        echo '<td>'.NL;
-
-        echo '<dl class="img_tags">';
-        foreach($tags as $tag){
-            $value = cleanText($tag['value']);
-            if (!$value) $value = '-';
-            echo '<dt>'.$lang[$tag['tag'][1]].'</dt>';
-            echo '<dd>';
-            if ($tag['highlighted']) {
-                echo '<strong>';
-            }
-            if ($tag['tag'][2] == 'date') echo dformat($value);
-            else echo hsc($value);
-            if ($tag['highlighted']) {
-                echo '</strong>';
-            }
-            echo '</dd>';
-        }
-        echo '</dl>'.NL;
-
-        echo '</td>';
-    }
-    echo '</tr>'.NL;
-
-    echo '</table>'.NL;
-    echo '</div>'.NL;
-
-    if ($is_img && !$fromajax) echo '</div>';
-}
-
-/**
- * Prints two images side by side
- * and slider
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $image   image id
- * @param int    $l_rev   revision timestamp, or empty string
- * @param int    $r_rev   revision timestamp, or empty string
- * @param array  $l_size  array with width and height
- * @param array  $r_size  array with width and height
- * @param string $type
- */
-function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) {
-    if ($l_size != $r_size) {
-        if ($r_size[0] > $l_size[0]) {
-            $l_size = $r_size;
-        }
-    }
-
-    $l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]);
-    $r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]);
-
-    $l_src = ml($image, $l_more);
-    $r_src = ml($image, $r_more);
-
-    // slider
-    echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL;
-
-    // two images in divs
-    echo '<div class="imageDiff ' . $type . '">'.NL;
-    echo '<div class="image1" style="max-width: '.$l_size[0].'px;">';
-    echo '<img src="'.$l_src.'" alt="" />';
-    echo '</div>'.NL;
-    echo '<div class="image2" style="max-width: '.$l_size[0].'px;">';
-    echo '<img src="'.$r_src.'" alt="" />';
-    echo '</div>'.NL;
-    echo '</div>'.NL;
-}
-
-/**
- * Restores an old revision of a media file
- *
- * @param string $image media id
- * @param int    $rev   revision timestamp or empty string
- * @param int    $auth
- * @return string - file's id
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- */
-function media_restore($image, $rev, $auth){
-    global $conf;
-    if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false;
-    $removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes')));
-    if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false;
-    if (!$rev || !file_exists(mediaFN($image, $rev))) return false;
-    list(,$imime,) = mimetype($image);
-    $res = media_upload_finish(mediaFN($image, $rev),
-        mediaFN($image),
-        $image,
-        $imime,
-        true,
-        'copy');
-    if (is_array($res)) {
-        msg($res[0], $res[1]);
-        return false;
-    }
-    return $res;
-}
-
-/**
- * List all files found by the search request
- *
- * @author Tobias Sarnowski <sarnowski@cosmocode.de>
- * @author Andreas Gohr <gohr@cosmocode.de>
- * @author Kate Arzamastseva <pshns@ukr.net>
- * @triggers MEDIA_SEARCH
- *
- * @param string $query
- * @param string $ns
- * @param null|int $auth
- * @param bool $fullscreen
- * @param string $sort
- */
-function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){
-    global $conf;
-    global $lang;
-
-    $ns = cleanID($ns);
-    $evdata = array(
-        'ns'    => $ns,
-        'data'  => array(),
-        'query' => $query
-    );
-    if (!blank($query)) {
-        $evt = new Doku_Event('MEDIA_SEARCH', $evdata);
-        if ($evt->advise_before()) {
-            $dir = utf8_encodeFN(str_replace(':','/',$evdata['ns']));
-            $quoted = preg_quote($evdata['query'],'/');
-            //apply globbing
-            $quoted = str_replace(array('\*', '\?'), array('.*', '.'), $quoted, $count);
-
-            //if we use globbing file name must match entirely but may be preceded by arbitrary namespace
-            if ($count > 0) $quoted = '^([^:]*:)*'.$quoted.'$';
-
-            $pattern = '/'.$quoted.'/i';
-            search($evdata['data'],
-                    $conf['mediadir'],
-                    'search_media',
-                    array('showmsg'=>false,'pattern'=>$pattern),
-                    $dir,
-                    1,
-                    $sort);
-        }
-        $evt->advise_after();
-        unset($evt);
-    }
-
-    if (!$fullscreen) {
-        echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL;
-        media_searchform($ns,$query);
-    }
-
-    if(!count($evdata['data'])){
-        echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
-    }else {
-        if ($fullscreen) {
-            echo '<ul class="' . _media_get_list_type() . '">';
-        }
-        foreach($evdata['data'] as $item){
-            if (!$fullscreen) media_printfile($item,$item['perm'],'',true);
-            else media_printfile_thumbs($item,$item['perm'],false,true);
-        }
-        if ($fullscreen) echo '</ul>'.NL;
-    }
-}
-
-/**
- * Formats and prints one file in the list
- *
- * @param array     $item
- * @param int       $auth              permission level
- * @param string    $jump              item id
- * @param bool      $display_namespace
- */
-function media_printfile($item,$auth,$jump,$display_namespace=false){
-    global $lang;
-
-    // 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) = 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.' title="'.hsc($item['id']).'">'.NL;
-    if (!$display_namespace) {
-        echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> ';
-    } else {
-        echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>';
-    }
-    echo '<span class="info">('.$info.')</span>'.NL;
-
-    // view button
-    $link = ml($item['id'],'',true);
-    echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '.
-        'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>';
-
-    // mediamanager button
-    $link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id'])));
-    echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '.
-        'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>';
-
-    // delete button
-    if($item['writable'] && $auth >= AUTH_DELETE){
-        $link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
-            '&amp;sectok='.getSecurityToken();
-        echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'.
-            '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
-            'title="'.$lang['btn_delete'].'" class="btn" /></a>';
-    }
-
-    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;
-}
-
-/**
- * Display a media icon
- *
- * @param string $filename media id
- * @param string $size     the size subfolder, if not specified 16x16 is used
- * @return string html
- */
-function media_printicon($filename, $size=''){
-    list($ext) = mimetype(mediaFN($filename),false);
-
-    if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) {
-        $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png';
-    } else {
-        $icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png';
-    }
-
-    return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />';
-}
-
-/**
- * Formats and prints one file in the list in the thumbnails view
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param array       $item
- * @param int         $auth              permission level
- * @param bool|string $jump              item id
- * @param bool        $display_namespace
- */
-function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){
-
-    // Prepare filename
-    $file = utf8_decodeFN($item['file']);
-
-    // output
-    echo '<li><dl title="'.hsc($item['id']).'">'.NL;
-
-        echo '<dt>';
-    if($item['isimg']) {
-        media_printimgdetail($item, true);
-
-    } else {
-        echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'.
-            media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']),
-            'tab_details' => 'view')).'">';
-        echo media_printicon($item['id'], '32x32');
-        echo '</a>';
-    }
-    echo '</dt>'.NL;
-    if (!$display_namespace) {
-        $name = hsc($file);
-    } else {
-        $name = hsc($item['id']);
-    }
-    echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']),
-        'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL;
-
-    if($item['isimg']){
-        $size = '';
-        $size .= (int) $item['meta']->getField('File.Width');
-        $size .= '&#215;';
-        $size .= (int) $item['meta']->getField('File.Height');
-        echo '<dd class="size">'.$size.'</dd>'.NL;
-    } else {
-        echo '<dd class="size">&#160;</dd>'.NL;
-    }
-    $date = dformat($item['mtime']);
-    echo '<dd class="date">'.$date.'</dd>'.NL;
-    $filesize = filesize_h($item['size']);
-    echo '<dd class="filesize">'.$filesize.'</dd>'.NL;
-    echo '</dl></li>'.NL;
-}
-
-/**
- * Prints a thumbnail and metainfo
- *
- * @param array $item
- * @param bool  $fullscreen
- */
-function media_printimgdetail($item, $fullscreen=false){
-    // prepare thumbnail
-    $size = $fullscreen ? 90 : 120;
-
-    $w = (int) $item['meta']->getField('File.Width');
-    $h = (int) $item['meta']->getField('File.Height');
-    if($w>$size || $h>$size){
-        if (!$fullscreen) {
-            $ratio = $item['meta']->getResizeRatio($size);
-        } else {
-            $ratio = $item['meta']->getResizeRatio($size,$size);
-        }
-        $w = floor($w * $ratio);
-        $h = floor($h * $ratio);
-    }
-    $src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime']));
-    $p = array();
-    if (!$fullscreen) {
-        // In fullscreen mediamanager view, image resizing is done via CSS.
-        $p['width']  = $w;
-        $p['height'] = $h;
-    }
-    $p['alt']    = $item['id'];
-    $att = buildAttributes($p);
-
-    // output
-    if ($fullscreen) {
-        echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'.
-            media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view')).'">';
-        echo '<img src="'.$src.'" '.$att.' />';
-        echo '</a>';
-    }
-
-    if ($fullscreen) return;
-
-    echo '<div class="detail">';
-    echo '<div class="thumb">';
-    echo '<a id="d_:'.$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>'.hsc($t).'</strong><br />';
-        if($d) echo hsc($d).'<br />';
-        if($t) echo '<em>'.hsc($k).'</em>';
-        echo '</p>';
-    }
-    echo '</div>';
-}
-
-/**
- * Build link based on the current, adding/rewriting parameters
- *
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param array|bool $params
- * @param string     $amp           separator
- * @param bool       $abs           absolute url?
- * @param bool       $params_array  return the parmeters array?
- * @return string|array - link or link parameters
- */
-function media_managerURL($params=false, $amp='&amp;', $abs=false, $params_array=false) {
-    global $ID;
-    global $INPUT;
-
-    $gets = array('do' => 'media');
-    $media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort');
-    foreach ($media_manager_params as $x) {
-        if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x);
-    }
-
-    if ($params) {
-        $gets = $params + $gets;
-    }
-    unset($gets['id']);
-    if (isset($gets['delete'])) {
-        unset($gets['image']);
-        unset($gets['tab_details']);
-    }
-
-    if ($params_array) return $gets;
-
-    return wl($ID,$gets,$abs,$amp);
-}
-
-/**
- * Print the media upload form if permissions are correct
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $ns
- * @param int    $auth permission level
- * @param bool  $fullscreen
- */
-function media_uploadform($ns, $auth, $fullscreen = false){
-    global $lang;
-    global $conf;
-    global $INPUT;
-
-    if($auth < AUTH_UPLOAD) {
-        echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL;
-        return;
-    }
-    $auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
-
-    $update = false;
-    $id = '';
-    if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') {
-        $update = true;
-        $id = cleanID($INPUT->str('image'));
-    }
-
-    // The default HTML upload form
-    $params = array('id'      => 'dw__upload',
-                    'enctype' => 'multipart/form-data');
-    if (!$fullscreen) {
-        $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php';
-    } else {
-        $params['action'] = media_managerURL(array('tab_files' => 'files',
-            'tab_details' => 'view'), '&');
-    }
-
-    $form = new Doku_Form($params);
-    if (!$fullscreen) echo '<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'));
-    $form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name'));
-    $form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
-    $form->addElement(form_makeCloseTag('p'));
-
-    if($auth >= $auth_ow){
-        $form->addElement(form_makeOpenTag('p'));
-        $attrs = array();
-        if ($update) $attrs['checked'] = 'checked';
-        $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs));
-        $form->addElement(form_makeCloseTag('p'));
-    }
-
-    echo NL.'<div id="mediamanager__uploader">'.NL;
-    html_form('upload', $form);
-
-    echo '</div>'.NL;
-
-    echo '<p class="maxsize">';
-    printf($lang['maxuploadsize'],filesize_h(media_getuploadsize()));
-    echo '</p>'.NL;
-
-}
-
-/**
- * Returns the size uploaded files may have
- *
- * This uses a conservative approach using the lowest number found
- * in any of the limiting ini settings
- *
- * @returns int size in bytes
- */
-function media_getuploadsize(){
-    $okay = 0;
-
-    $post = (int) php_to_byte(@ini_get('post_max_size'));
-    $suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length'));
-    $upld = (int) php_to_byte(@ini_get('upload_max_filesize'));
-
-    if($post && ($post < $okay || $okay == 0)) $okay = $post;
-    if($suho && ($suho < $okay || $okay == 0)) $okay = $suho;
-    if($upld && ($upld < $okay || $okay == 0)) $okay = $upld;
-
-    return $okay;
-}
-
-/**
- * Print the search field form
- *
- * @author Tobias Sarnowski <sarnowski@cosmocode.de>
- * @author Kate Arzamastseva <pshns@ukr.net>
- *
- * @param string $ns
- * @param string $query
- * @param bool $fullscreen
- */
-function media_searchform($ns,$query='',$fullscreen=false){
-    global $lang;
-
-    // The default HTML search form
-    $params = array('id' => 'dw__mediasearch');
-    if (!$fullscreen) {
-        $params['action'] = DOKU_BASE.'lib/exe/mediamanager.php';
-    } else {
-        $params['action'] = media_managerURL(array(), '&');
-    }
-    $form = new Doku_Form($params);
-    $form->addHidden('ns', $ns);
-    $form->addHidden($fullscreen ? 'mediado' : '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>
- *
- * @param string $ns
- */
-function media_nstree($ns){
-    global $conf;
-    global $lang;
-
-    // currently selected namespace
-    $ns  = cleanID($ns);
-    if(empty($ns)){
-        global $ID;
-        $ns = (string)getNS($ID);
-    }
-
-    $ns_dir  = utf8_encodeFN(str_replace(':','/',$ns));
-
-    $data = array();
-    search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true));
-
-    // wrap a list with the root level around the other namespaces
-    array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true',
-                               'label' => '['.$lang['mediaroot'].']'));
-
-    // insert the current ns into the hierarchy if it isn't already part of it
-    $ns_parts = explode(':', $ns);
-    $tmp_ns = '';
-    $pos = 0;
-    foreach ($ns_parts as $level => $part) {
-        if ($tmp_ns) $tmp_ns .= ':'.$part;
-        else $tmp_ns = $part;
-
-        // find the namespace parts or insert them
-        while ($data[$pos]['id'] != $tmp_ns) {
-            if ($pos >= count($data) || ($data[$pos]['level'] <= $level+1 && strnatcmp(utf8_encodeFN($data[$pos]['id']), utf8_encodeFN($tmp_ns)) > 0)) {
-                array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true')));
-                break;
-            }
-            ++$pos;
-        }
-    }
-
-    echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
-}
-
-/**
- * Userfunction for html_buildlist
- *
- * Prints a media namespace tree item
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param array $item
- * @return string html
- */
-function media_nstree_item($item){
-    global $INPUT;
-    $pos   = strrpos($item['id'], ':');
-    $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
-    if(empty($item['label'])) $item['label'] = $label;
-
-    $ret  = '';
-    if (!($INPUT->str('do') == 'media'))
-    $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
-    else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files'))
-        .'" 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>
- *
- * @param array $item
- * @return string html
- */
-function media_nstree_li($item){
-    $class='media level'.$item['level'];
-    if($item['open']){
-        $class .= ' open';
-        $img   = DOKU_BASE.'lib/images/minus.gif';
-        $alt   = '−';
-    }else{
-        $class .= ' closed';
-        $img   = DOKU_BASE.'lib/images/plus.gif';
-        $alt   = '+';
-    }
-    // TODO: only deliver an image if it actually has a subtree...
-    return '<li class="'.$class.'">'.
-        '<img src="'.$img.'" alt="'.$alt.'" />';
-}
-
-/**
- * Resizes the given image to the given size
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename, path to file
- * @param string $ext  extension
- * @param int    $w    desired width
- * @param int    $h    desired height
- * @return string path to resized or original size if failed
- */
-function media_resize_image($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]) / $info[0]);
-    if(!$w) $w = round(($h * $info[0]) / $info[1]);
-
-    // we wont scale up to infinity
-    if($w > 2000 || $h > 2000) return $file;
-
-    // resize necessary? - (w,h) = native dimensions
-    if(($w == $info[0]) && ($h == $info[1])) 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, $h)
-    ) {
-        if(!empty($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>
- *
- * @param string $file filename, path to file
- * @param string $ext  extension
- * @param int    $w    desired width
- * @param int    $h    desired height
- * @return string path to resized or original size if failed
- */
-function media_crop_image($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;
-
-    // check if the crop can be handled completely by resize,
-    // i.e. the specified width & height match the aspect ratio of the source image
-    if ($w == round($h*$fr)) {
-        return media_resize_image($file, $ext, $w);
-    }
-
-    if($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(!empty($conf['fperm'])) @chmod($local, $conf['fperm']);
-        return media_resize_image($local,$ext, $w, $h);
-    }
-
-    //still here? cropping failed
-    return media_resize_image($file,$ext, $w, $h);
-}
-
-/**
- * Calculate a token to be used to verify fetch requests for resized or
- * cropped images have been internally generated - and prevent external
- * DDOS attacks via fetch
- *
- * @author Christopher Smith <chris@jalakai.co.uk>
- *
- * @param string  $id    id of the image
- * @param int     $w     resize/crop width
- * @param int     $h     resize/crop height
- * @return string token or empty string if no token required
- */
-function media_get_token($id,$w,$h){
-    // token is only required for modified images
-    if ($w || $h || media_isexternal($id)) {
-        $token = $id;
-        if ($w) $token .= '.'.$w;
-        if ($h) $token .= '.'.$h;
-
-        return substr(PassHash::hmac('md5', $token, auth_cookiesalt()),0,6);
-    }
-
-    return '';
-}
-
-/**
- * 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>
- *
- * @param string $url
- * @param string $ext   extension
- * @param int    $cache cachetime in seconds
- * @return false|string path to cached file
- */
-function media_get_from_URL($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>
- *
- * @param string $url
- * @param string $file path to file in which to put the downloaded content
- * @return bool
- */
-function media_image_download($url,$file){
-    global $conf;
-    $http = new DokuHTTPClient();
-    $http->keep_alive = false; // we do single ops here, no need for keep-alive
-
-    $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>
- *
- * @param string $ext     extension
- * @param string $from    filename path to file
- * @param int    $from_w  original width
- * @param int    $from_h  original height
- * @param string $to      path to resized file
- * @param int    $to_w    desired width
- * @param int    $to_h    desired height
- * @return bool
- */
-function media_resize_imageIM($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>
- *
- * @param string $ext     extension
- * @param string $from    filename path to file
- * @param int    $from_w  original width
- * @param int    $from_h  original height
- * @param string $to      path to resized file
- * @param int    $to_w    desired width
- * @param int    $to_h    desired height
- * @param int    $ofs_x   offset of crop centre
- * @param int    $ofs_y   offset of crop centre
- * @return bool
- */
-function media_crop_imageIM($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>
- *
- * @param string $ext     extension
- * @param string $from    filename path to file
- * @param int    $from_w  original width
- * @param int    $from_h  original height
- * @param string $to      path to resized file
- * @param int    $to_w    desired width
- * @param int    $to_h    desired height
- * @param int    $ofs_x   offset of crop centre
- * @param int    $ofs_y   offset of crop centre
- * @return bool
- */
-function media_resize_imageGD($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
-    $image = false;
-    if ($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;
-
-    $newimg = false;
-    if(($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;
-}
-
-/**
- * Return other media files with the same base name
- * but different extensions.
- *
- * @param string   $src     - ID of media file
- * @param string[] $exts    - alternative extensions to find other files for
- * @return array            - array(mime type => file ID)
- *
- * @author Anika Henke <anika@selfthinker.org>
- */
-function media_alternativefiles($src, $exts){
-
-    $files = array();
-    list($srcExt, /* $srcMime */) = mimetype($src);
-    $filebase = substr($src, 0, -1 * (strlen($srcExt)+1));
-
-    foreach($exts as $ext) {
-        $fileid = $filebase.'.'.$ext;
-        $file = mediaFN($fileid);
-        if(file_exists($file)) {
-            list(/* $fileExt */, $fileMime) = mimetype($file);
-            $files[$fileMime] = $fileid;
-        }
-    }
-    return $files;
-}
-
-/**
- * Check if video/audio is supported to be embedded.
- *
- * @param string $mime      - mimetype of media file
- * @param string $type      - type of media files to check ('video', 'audio', or null for all)
- * @return boolean
- *
- * @author Anika Henke <anika@selfthinker.org>
- */
-function media_supportedav($mime, $type=NULL){
-    $supportedAudio = array(
-        'ogg' => 'audio/ogg',
-        'mp3' => 'audio/mpeg',
-        'wav' => 'audio/wav',
-    );
-    $supportedVideo = array(
-        'webm' => 'video/webm',
-        'ogv' => 'video/ogg',
-        'mp4' => 'video/mp4',
-    );
-    if ($type == 'audio') {
-        $supportedAv = $supportedAudio;
-    } elseif ($type == 'video') {
-        $supportedAv = $supportedVideo;
-    } else {
-        $supportedAv = array_merge($supportedAudio, $supportedVideo);
-    }
-    return in_array($mime, $supportedAv);
-}
-
-/**
- * Return track media files with the same base name
- * but extensions that indicate kind and lang.
- * ie for foo.webm search foo.sub.lang.vtt, foo.cap.lang.vtt...
- *
- * @param string   $src     - ID of media file
- * @return array            - array(mediaID => array( kind, srclang ))
- *
- * @author Schplurtz le Déboulonné <Schplurtz@laposte.net>
- */
-function media_trackfiles($src){
-    $kinds=array(
-        'sub' => 'subtitles',
-        'cap' => 'captions',
-        'des' => 'descriptions',
-        'cha' => 'chapters',
-        'met' => 'metadata'
-    );
-
-    $files = array();
-    $re='/\\.(sub|cap|des|cha|met)\\.([^.]+)\\.vtt$/';
-    $baseid=pathinfo($src, PATHINFO_FILENAME);
-    $pattern=mediaFN($baseid).'.*.*.vtt';
-    $list=glob($pattern);
-    foreach($list as $track) {
-        if(preg_match($re, $track, $matches)){
-            $files[$baseid.'.'.$matches[1].'.'.$matches[2].'.vtt']=array(
-                $kinds[$matches[1]],
-                $matches[2],
-            );
-        }
-    }
-    return $files;
-}
-
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */