function download_headers($downloadname = null, $attachment = null)
{
if ($this->is_csv()) {
header("Content-Type: text/csv; charset=utf-8; header=" . ($this->headerline !== "" ? "present" : "absent"));
} else {
header("Content-Type: text/plain; charset=utf-8");
}
if ($attachment === null) {
$attachment = !Mimetype::disposition_inline($this->is_csv() ? "text/csv" : "text/plain");
}
if (!$downloadname) {
$downloadname = "data" . $this->extension();
}
header("Content-Disposition: " . ($attachment ? "attachment" : "inline") . "; filename=" . mime_quote_string($downloadname));
// reduce likelihood of XSS attacks in IE
header("X-Content-Type-Options: nosniff");
}
static function multidownload($doc, $downloadname = null, $attachment = null)
{
global $zlib_output_compression;
if (is_array($doc) && count($doc) == 1) {
$doc = $doc[0];
$downloadname = null;
}
if (!$doc || is_object($doc) && isset($doc->size) && $doc->size == 0) {
return set_error_html("Empty file.");
}
if (is_array($doc)) {
$z = new ZipDocument($downloadname);
foreach ($doc as $d) {
$z->add($d);
}
return $z->download();
}
if (!self::has_content($doc) && (!get($doc, "docclass") || !$doc->docclass->load($doc))) {
$error_html = "Don’t know how to download.";
if (get($doc, "error") && isset($doc->error_html)) {
$error_html = $doc->error_html;
} else {
if (get($doc, "error") && isset($doc->error_text)) {
$error_html = htmlspecialchars($doc->error_text);
}
}
return set_error_html($error_html);
}
// Print paper
$doc_mimetype = self::_mimetype($doc);
header("Content-Type: " . Mimetype::type($doc_mimetype));
if ($attachment === null) {
$attachment = !Mimetype::disposition_inline($doc_mimetype);
}
if (!$downloadname) {
$downloadname = $doc->filename;
if (($slash = strrpos($downloadname, "/")) !== false) {
$downloadname = substr($downloadname, $slash + 1);
}
}
header("Content-Disposition: " . ($attachment ? "attachment" : "inline") . "; filename=" . mime_quote_string($downloadname));
// reduce likelihood of XSS attacks in IE
header("X-Content-Type-Options: nosniff");
if ($filename = self::content_filename($doc)) {
self::download_file($filename, get($doc, "no_cache") || get($doc, "no_accel"));
} else {
$content = self::content($doc);
if (!$zlib_output_compression) {
header("Content-Length: " . strlen($content));
}
echo $content;
}
return (object) array("error" => false);
}
