diff options
Diffstat (limited to 'plugins/mod_http_files.lua')
| -rw-r--r-- | plugins/mod_http_files.lua | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/plugins/mod_http_files.lua b/plugins/mod_http_files.lua index d83e6f97..43094eb4 100644 --- a/plugins/mod_http_files.lua +++ b/plugins/mod_http_files.lua @@ -12,6 +12,7 @@ local lfs = require "lfs"; local os_date = os.date; local open = io.open; local stat = lfs.attributes; +local build_path = require"socket.url".build_path; local http_base = module:get_option_string("http_files_dir", module:get_option_string("http_path", "www_files")); local dir_indices = module:get_option("http_files_index", { "index.html", "index.htm" }); @@ -57,24 +58,30 @@ 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 (not if_none_match and last_modified == if_modified_since) then return 304; end local data = cache[path]; - if data then - response.headers.content_type = data.content_type; + if data and data.etag == etag then + 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.."/"; + local path = { is_absolute = true, is_directory = true }; + for dir in orig_path:gmatch("[^/]+") do path[#path+1]=dir; end + response_headers.location = build_path(path); return 301; end for i=1,#dir_indices do @@ -101,21 +108,23 @@ function serve_file(event, path) end 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; + cache[path] = { data = data, content_type = mime_map.html; etag = etag; }; + response_headers.content_type = mime_map.html; end else - local f = open(full_path, "rb"); - data = f and f:read("*a"); - f:close(); + local f, err = open(full_path, "rb"); + if f then + data = f:read("*a"); + f:close(); + end if not data then return 403; end - local ext = path:match("%.([^.]*)$"); - local content_type = mime_map[ext]; - cache[path] = { data = data; content_type = content_type; }; - response.headers.content_type = content_type; + local ext = path:match("%.([^./]+)$"); + local content_type = ext and mime_map[ext]; + cache[path] = { data = data; content_type = content_type; etag = etag }; + response_headers.content_type = content_type; end return response:send(data); |