download.php
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<?php
/*
* download.php
*
* Copyright (c) 1999-2002 The Owl Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* $Id$
*/
require("./config/owl.php");
require("./lib/owl.lib.php");
require("./config/html.php");
require("./lib/security.lib.php");
function find_path($parent) {
global $parent, $default;
$path = fid_to_name($parent);
$sql = new Owl_DB;
while($parent != 1) {
$sql->query("select parent from $default->owl_folders_table where id = '$parent'");
while($sql->next_record()) {
$path = fid_to_name($sql->f("parent"))."/".$path;
$parent = $sql->f("parent");
}
}
return $path;
}
function fid_to_filename($id) {
global $default;
$sql = new Owl_DB;
$sql->query("select filename from $default->owl_files_table where id = '$id'");
while($sql->next_record()) return $sql->f("filename");
}
function zip_folder($id, $userid) {
global $default, $sess;
$tmpdir = $default->owl_FileDir . "/owltmpfld_$sess.$id";
//if (file_exists($tmpdir)) system("rm -rf " . escapeshellarg($tmpdir));
if (file_exists($tmpdir)) myDelete($tmpdir);
mkdir("$tmpdir", 0777);
//system("mkdir " . escapeshellarg($tmpdir));
$sql = new Owl_DB;
$sql2 = new Owl_DB;
$sql->query("select name, id from $default->owl_folders_table where id = '$id'");
while($sql->next_record()) {
$top= $sql->f("name");
}
$path = "$tmpdir/$top";
mkdir("$path", 0777);
//system("mkdir " . escapeshellarg($path));
folder_loop($sql, $sql2, $id, $path, $userid);
// get all files in folder
// GETTING IE TO WORK IS A PAIN!
if (strstr($_SERVER["HTTP_USER_AGENT"], "MSIE"))
header("Content-Type: application/x-gzip");
else
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"$top.tgz\"");
header("Content-Location: \"$top.tgz\"");
// header("Content-Length: $fsize");
header("Expires: 0");
//header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
//header("Pragma: Public");
if (file_exists($default->tar_path)) {
if (file_exists($default->gzip_path)) {
//passthru("$default->tar_path -C ". escapeshellarg($tmpdir) . " -zc " . escapeshellarg($top));
passthru("$default->tar_path cf - -C ". escapeshellarg($tmpdir) . " " . escapeshellarg($top) . "| " . $default->gzip_path . " -c -9");
} else {
//passthru("$default->tar_path -C ". escapeshellarg($tmpdir) . " -zc " . escapeshellarg($top));
passthru("$default->tar_path cf - -C ". escapeshellarg($tmpdir) . " " . escapeshellarg($top) );
}
} else {
myDelete($tmpdir);
printError("$default->tar_path was not found","");
}
myDelete($tmpdir);
//system("rm -rf " . escapeshellarg($tmpdir));
}
//function folder_loop(&$sql, &$sql2, $id, $tmpdir, $userid) {
function folder_loop($sql, $sql2, $id, $tmpdir, $userid) {
global $default;
if(check_auth($id, "folder_view", $userid) == 1) {
$sql = new Owl_DB;
// write out all the files
$sql->query("select * from $default->owl_files_table where parent = '$id'");
while($sql->next_record()) {
$fid = $sql->f("id");
$filename = $tmpdir . "/" . $sql->f("filename");
if(check_auth($fid, "file_download", $userid) == 1) {
if ($default->owl_use_fs) {
$source = $default->owl_FileDir . "/" . get_dirpath($id) . "/" . $sql->f("filename");
copy($source, $filename);
}
else {
$sql2->query("select data,compressed from " . $default->owl_files_data_table . " where id='$fid'");
while($sql2->next_record()) {
if ($sql2->f("compressed")) {
$fp=fopen($filename . ".gz","w");
fwrite($fp, $sql2->f("data"));
fclose($fp);
system($default->gzip_path . " -d " . escapeshellarg($filename) .".gz");
} else {
$fp=fopen($filename,"w");
fwrite($fp, $sql2->f("data"));
fclose($fp);
} // end if
} // end if
} // end while
} // end if
} // end while
// recurse into directories
$sql->query("select name, id from $default->owl_folders_table where parent = '$id'");
while($sql->next_record()) {
$saved = $tmpdir;
$tmpdir .= "/" . $sql->f("name");
mkdir("$tmpdir", 0777);
//system("mkdir " . escapeshellarg($tmpdir));
folder_loop($sql, $sql2, $sql->f("id"), $tmpdir, $userid);
$tmpdir = $saved;
}
}
}
if ($action == "folder") {
$abort_status = ignore_user_abort(true);
zip_folder($id, $userid);
ignore_user_abort($abort_status);
exit;
}
if(check_auth($id, "file_download", $userid) == 1) {
$filename = fid_to_filename($id);
$mimeType = "application/octet-stream";
if ($binary != 1) {
if ($filetype = strrchr($filename,".")) {
$filetype = substr($filetype,1);
$sql = new Owl_DB;
$sql->query("select * from $default->owl_mime_table where filetype = '$filetype'");
while($sql->next_record()) $mimeType = $sql->f("mimetype");
}
}
// BEGIN wes change
if ($default->owl_use_fs) {
$path = find_path($parent)."/".$filename;
$fspath = $default->owl_FileDir."/".$path;
$fsize = filesize($fspath);
} else {
$sql->query("select size from " . $default->owl_files_table . " where id='$id'");
while($sql->next_record()) $fsize = $sql->f("size");
}
// END wes change
// BEGIN BUG: 495556 File download sends incorrect headers
// header("Content-Disposition: filename=\"$filename\"");
header("Content-Disposition: attachment; filename=\"$filename\"");
header("Content-Location: $filename");
header("Content-Type: $mimeType");
header("Content-Length: $fsize");
//header("Pragma: no-cache");
header("Expires: 0");
// END BUG: 495556 File download sends incorrect headers
// BEGIN wes change
if ($default->owl_use_fs) {
if (substr(php_uname(), 0, 7) != "Windows")
$fp=fopen("$fspath","r");
else
$fp=fopen("$fspath","rb");
print fread($fp,filesize("$fspath"));
fclose($fp);
} else {
$sql->query("select data,compressed from " . $default->owl_files_data_table . " where id='$id'");
while($sql->next_record()) {
if ($sql->f("compressed")) {
$tmpfile = $default->owl_FileDir . "owltmp.$id";
if (file_exists($tmpfile)) unlink($tmpfile);
$fp=fopen($tmpfile,"w");
fwrite($fp, $sql->f("data"));
fclose($fp);
flush(passthru($default->gzip_path . " -dfc $tmpfile"));
unlink($tmpfile);
} else {
print $sql->f("data");
flush();
}
}
}
// END wes change
} else {
print($lang_nofileaccess);
}
?>