Mercurial > prosody-hg
comparison plugins/mod_http_files.lua @ 5248:13553f4132a8
mod_http_files: Compare If-Modified-Since to last modification date
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 16 Dec 2012 08:34:50 +0100 |
| parents | 9257f4c47ffa |
| children | 6209b9a0244b |
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| 5247:9257f4c47ffa | 5248:13553f4132a8 |
|---|---|
| 55 local attr = stat(full_path); | 55 local attr = stat(full_path); |
| 56 if not attr then | 56 if not attr then |
| 57 return 404; | 57 return 404; |
| 58 end | 58 end |
| 59 | 59 |
| 60 response.headers.last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification); | 60 local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification); |
| 61 response.headers.last_modified = last_modified; | |
| 61 | 62 |
| 62 local tag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0); | 63 local etag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0); |
| 63 response.headers.etag = tag; | 64 response.headers.etag = etag; |
| 64 if tag == request.headers.if_none_match then | 65 |
| 66 if etag == request.headers.if_none_match | |
| 67 or last_modified == request.headers.if_modified_since then | |
| 65 return 304; | 68 return 304; |
| 66 end | 69 end |
| 67 | 70 |
| 68 local data = cache[path]; | 71 local data = cache[path]; |
| 69 if data then | 72 if data then |
