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-rw-r--r--libs/httpd/luasrc/httpd/handler/file.lua51
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 8d75edc9a..e6311e839 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