public static function s3_filename($doc)
{
if (($sha1 = Filer::text_sha1($doc)) !== false) {
return "doc/" . substr($sha1, 0, 2) . "/" . $sha1 . Mimetype::extension($doc->mimetype);
} else {
return null;
}
}
private function _filestore($doc)
{
if (!($fsinfo = $this->filestore_pattern($doc)) || get($doc, "error")) {
return $fsinfo;
}
list($fdir, $fpath) = $fsinfo;
$sha1 = false;
$xfpath = $fdir;
$fpath = substr($fpath, strlen($fdir));
while (preg_match("/\\A(.*?)%(\\d*)([%hx])(.*)\\z/", $fpath, $m)) {
$fpath = $m[4];
$xfpath .= $m[1];
if ($m[3] === "%") {
$xfpath .= "%";
} else {
if ($m[3] === "x") {
$xfpath .= Mimetype::extension(self::_mimetype($doc));
} else {
if ($sha1 === false) {
$sha1 = self::text_sha1($doc);
}
if ($sha1 === false && ($content = self::content($doc)) !== false) {
$sha1 = $doc->sha1 = sha1($content);
}
if ($sha1 === false) {
return array(null, null);
}
if ($m[2] !== "") {
$xfpath .= substr($sha1, 0, +$m[2]);
} else {
$xfpath .= $sha1;
}
}
}
}
if ($fdir && $fdir[strlen($fdir) - 1] === "/") {
$fdir = substr($fdir, 0, strlen($fdir) - 1);
}
return array($fdir, $xfpath . $fpath);
}
function downloadPaperName($paperId, $mimetype, $documentType)
{
global $Opt;
$title = $Opt["downloadPrefix"];
$dtn = HotCRPDocument::unparse_dtype($documentType);
$title .= $dtn ? $dtn : "xxx";
if (ctype_digit($title[strlen($title) - 1])) {
$title .= "-";
}
return $title . $paperId . Mimetype::extension($mimetype);
}
