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authorKim Alvefur <zash@zash.se>2012-12-11 22:30:13 +0100
committerKim Alvefur <zash@zash.se>2012-12-11 22:30:13 +0100
commit84dcecb046e820e0cd9541d6caa5e111c1ad4c8c (patch)
treeae8448492d978b7d1c44489771fd8e7c6ed7acf7
parented92fd78b69d9f4c85aac61a96c0212ca40f4ebf (diff)
downloadprosody-84dcecb046e820e0cd9541d6caa5e111c1ad4c8c.tar.gz
prosody-84dcecb046e820e0cd9541d6caa5e111c1ad4c8c.zip
mod_http_files: Add ETag and check If-None-Match to allow client-side cache
-rw-r--r--plugins/mod_http_files.lua7
1 files changed, 7 insertions, 0 deletions
diff --git a/plugins/mod_http_files.lua b/plugins/mod_http_files.lua
index 8d3405c9..0add5c86 100644
--- a/plugins/mod_http_files.lua
+++ b/plugins/mod_http_files.lua
@@ -35,6 +35,13 @@ function serve_file(event, path)
return 404;
end
+
+ 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
+ return 304;
+ end
+
if attr.mode == "directory" then
if full_path:sub(-1) ~= "/" then
response.headers.location = orig_path.."/";