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mod_http_files: Compare If-Modified-Since to last modification date

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This commit is contained in:
Kim Alvefur 2012-12-16 08:34:50 +01:00
parent 7c7e98953e
commit eaba58e39b
1 changed files with 7 additions and 4 deletions
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11
plugins/mod_http_files.lua
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@ -57,11 +57,14 @@ function serve_file(event, path)
return 404;
end
response.headers.last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
response.headers.last_modified = last_modified;
local tag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
response.headers.etag = tag;
if tag == request.headers.if_none_match then
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;
if etag == request.headers.if_none_match
or last_modified == request.headers.if_modified_since then
return 304;
end