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mod_http_files: Avoid a bunch of table lookups

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Kim Alvefur 2012-12-21 08:14:33 +01:00
parent e104ed8cac
commit dc08340e9f
1 changed files with 12 additions and 8 deletions
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20
plugins/mod_http_files.lua
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@ -57,24 +57,28 @@ function serve_file(event, path)
return 404;
end
local request_headers, response_headers = request.headers, response.headers;
local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
response.headers.last_modified = last_modified;
response_headers.last_modified = last_modified;
local etag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
response.headers.etag = etag;
response_headers.etag = etag;
if etag == request.headers.if_none_match
or last_modified == request.headers.if_modified_since then
local if_none_match = request_headers.if_none_match
local if_modified_since = request_headers.if_modified_since;
if etag == if_none_match
or last_modified == if_modified_since then
return 304;
end
local data = cache[path];
if data then
response.headers.content_type = data.content_type;
response_headers.content_type = data.content_type;
data = data.data;
elseif attr.mode == "directory" then
if full_path:sub(-1) ~= "/" then
response.headers.location = orig_path.."/";
response_headers.location = orig_path.."/";
return 301;
end
for i=1,#dir_indices do
@ -102,7 +106,7 @@ function serve_file(event, path)
end
data = "<!DOCTYPE html>\n"..tostring(html);
cache[path] = { data = data, content_type = mime_map.html; hits = 0 };
response.headers.content_type = mime_map.html;
response_headers.content_type = mime_map.html;
end
else
@ -117,7 +121,7 @@ function serve_file(event, path)
local ext = path:match("%.([^.]*)$");
local content_type = mime_map[ext];
cache[path] = { data = data; content_type = content_type; };
response.headers.content_type = content_type;
response_headers.content_type = content_type;
end
return response:send(data);