diff options
Diffstat (limited to 'libs/httpd')
| -rw-r--r-- | libs/httpd/luasrc/httpd/handler/file.lua | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/libs/httpd/luasrc/httpd/handler/file.lua b/libs/httpd/luasrc/httpd/handler/file.lua index 8d75edc9aa..e6311e839f 100644 --- a/libs/httpd/luasrc/httpd/handler/file.lua +++ b/libs/httpd/luasrc/httpd/handler/file.lua @@ -1,38 +1,77 @@ +--[[ + +HTTP server implementation for LuCI - luci handler +(c) 2008 Steven Barth <steven@midlink.org> + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +$Id$ + +]]-- + module("luci.httpd.handler.file", package.seeall) + require("luci.httpd.module") +require("luci.http.protocol.date") +require("luci.http.protocol.mime") require("luci.fs") require("ltn12") Simple = luci.util.class(luci.httpd.module.Handler) Response = luci.httpd.module.Response -function Simple.__init__(self, docroot) +function Simple.__init__(self, docroot, dirlist) luci.httpd.module.Handler.__init__(self) self.docroot = docroot + self.dirlist = dirlist and true or false + self.mime = luci.http.protocol.mime + self.date = luci.http.protocol.date end function Simple.getfile(self, uri) local file = self.docroot .. uri:gsub("%.%./", "") local stat = luci.fs.stat(file) - + return file, stat end + +function Simple._mk_etag(self, stat) + return string.format( "%x-%x-%x", stat.ino, stat.size, stat.mtime ) +end + +function Simple._cmp_etag(self, stat, etag) + return ( self:_mk_etag(stat) == etag ) +end + + function Simple.handle_get(self, request, sourcein, sinkerr) local file, stat = self:getfile(request.env.PATH_INFO) if stat then if stat.type == "regular" then - return Response(200, {["Content-Length"] = stat.size}), ltn12.source.file(io.open(file)) + return Response( + 200, { + ["Date"] = self.date.to_http( os.time() ); + ["Last-Modified"] = self.date.to_http( stat.mtime ); + ["Content-Type"] = self.mime.to_mime( file ); + ["Content-Length"] = stat.size; + ["ETag"] = self:_mk_etag( stat ); + } + ), ltn12.source.file(io.open(file)) else - return self:failure(403, "Unable to transmit " .. stat.type .. " " .. request.env.PATH_INFO) + return self:failure(403, "Unable to transmit " .. stat.type .. " " .. file) end else - return self:failure(404, "No such file: " .. uri) + return self:failure(404, "No such file: " .. file) end end function Simple.handle_head(self, ...) local response, sourceout = self:handle_get(...) return response -end
\ No newline at end of file +end |