3 HTTP server implementation for LuCI - luci handler
4 (c) 2008 Steven Barth <steven@midlink.org>
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
16 module("luci.httpd.handler.file", package.seeall)
18 require("luci.httpd.module")
19 require("luci.http.protocol.date")
20 require("luci.http.protocol.mime")
24 Simple = luci.util.class(luci.httpd.module.Handler)
25 Response = luci.httpd.module.Response
27 function Simple.__init__(self, docroot, dirlist)
28 luci.httpd.module.Handler.__init__(self)
29 self.docroot = docroot
30 self.dirlist = dirlist and true or false
31 self.mime = luci.http.protocol.mime
32 self.date = luci.http.protocol.date
35 function Simple.getfile(self, uri)
36 local file = self.docroot .. uri:gsub("%.%./", "")
37 local stat = luci.fs.stat(file)
43 function Simple._mk_etag(self, stat)
44 return string.format( "%x-%x-%x", stat.ino, stat.size, stat.mtime )
47 function Simple._cmp_etag(self, stat, etag)
48 return ( self:_mk_etag(stat) == etag )
52 function Simple.handle_get(self, request, sourcein, sinkerr)
53 local file, stat = self:getfile(request.env.PATH_INFO)
56 if stat.type == "regular" then
59 ["Date"] = self.date.to_http( os.time() );
60 ["Last-Modified"] = self.date.to_http( stat.mtime );
61 ["Content-Type"] = self.mime.to_mime( file );
62 ["Content-Length"] = stat.size;
63 ["ETag"] = self:_mk_etag( stat );
65 ), ltn12.source.file(io.open(file))
67 return self:failure(403, "Unable to transmit " .. stat.type .. " " .. file)
70 return self:failure(404, "No such file: " .. file)
74 function Simple.handle_head(self, ...)
75 local response, sourceout = self:handle_get(...)