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mod_http_file_share: Extract all file properties into variables earlier

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A step towards adding caching, which will unpack into the same
variables.
This commit is contained in:
Kim Alvefur 2021-01-28 16:23:38 +01:00
parent f60a7d5f55
commit bf23a2fb0d
1 changed files with 12 additions and 4 deletions
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16
plugins/mod_http_file_share.lua
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@ -227,13 +227,21 @@ function handle_download(event, path) -- GET /uploads/:slot+filename
local request, response = event.request, event.response;
local slot_id = path:match("^[^/]+");
-- TODO cache
local basename, filetime, filetype, filesize;
local slot, when = errors.coerce(uploads:get(nil, slot_id));
if not slot then
module:log("debug", "uploads:get(%q) --> not-found, %s", slot_id, when);
else
basename = slot.attr.filename;
filesize = slot.attr.size;
filetype = slot.attr["content-type"];
filetime = when;
end
if not basename then
return 404;
end
module:log("debug", "uploads:get(%q) --> %s, %d", slot_id, slot, when);
local last_modified = os.date('!%a, %d %b %Y %H:%M:%S GMT', when);
local last_modified = os.date('!%a, %d %b %Y %H:%M:%S GMT', filetime);
if request.headers.if_modified_since == last_modified then
return 304;
end
@ -243,9 +251,9 @@ function handle_download(event, path) -- GET /uploads/:slot+filename
return ferr or 410;
end
response.headers.last_modified = last_modified;
response.headers.content_length = slot.attr.size;
response.headers.content_type = slot.attr["content-type"] or "application/octet-stream";
response.headers.content_disposition = string.format("attachment; filename=%q", slot.attr.filename);
response.headers.content_length = filesize;
response.headers.content_type = filetype or "application/octet-stream";
response.headers.content_disposition = string.format("attachment; filename=%q", basename);
response.headers.cache_control = "max-age=31556952, immutable";
response.headers.content_security_policy = "default-src 'none'; frame-ancestors 'none';"