830      * @param string $media file id
838     public function getMedia($media, $rev = 0)  argument
840         $media = cleanID($media);
841         if (auth_quickaclcheck(mediaAclPath($media)) < AUTH_READ) {
846         if ($this->isCurrentMediaRev($media, $rev)) {
850         $file = mediaFN($media, $rev);
866      * @param string $media file id
875     public function getMediaInfo($media, $rev = 0, $author = false, $hash = false)  argument
877         $media = cleanID($media);
878         if (auth_quickaclcheck(mediaAclPath($media)) < AUTH_READ) {
883         if ($this->isCurrentMediaRev($media, $rev)) {
887         if (!media_exists($media, $rev)) {
891         $info = new Media($media, $rev);
907      * @param string $media file id
912     public function getMediaUsage($media)  argument
914         $media = cleanID($media);
915         if (auth_quickaclcheck(mediaAclPath($media)) < AUTH_READ) {
918         if (!media_exists($media)) {
922         return (new MetadataSearch())->mediause($media);
934      * @param string $media file id
941     public function getMediaHistory($media, $first = 0)  argument
945         $media = cleanID($media);
947         if (auth_quickaclcheck(mediaAclPath($media)) < AUTH_READ) {
950         if (!media_exists($media, 0)) {
954         $medialog = new MediaChangeLog($media);
962             $check = $this->isCurrentMediaRev($media, $rev) ? '' : $rev;
963             if (!media_exists($media, $check)) continue; // skip non-existing revisions
968                 $media,
987      * @param string $media media id
994     public function saveMedia($media, $base64, $overwrite = false)  argument
996         $media = cleanID($media);
997         $auth = auth_quickaclcheck(mediaAclPath($media));
999         if ($media === '') {
1023         $ftmp = $conf['tmpdir'] . '/' . md5($media . clientIP());
1027         $res = media_save(['name' => $ftmp], $media, $overwrite, $auth, 'rename');
1039      * @param string $media media id
1046     public function deleteMedia($media)  argument
1048         $media = cleanID($media);
1050         $auth = auth_quickaclcheck(mediaAclPath($media));
1051         $res = media_delete($media, $auth);
1058         } elseif (!media_exists($media)) {