X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_http_files.lua;h=915bec58b56b28a1e6a6a1f0250c1f25bf0b3ad1;hb=b3006e740ec2fd5984b5d9a0884c59dd2665cf5a;hp=f4246fd53049f9be18763aee10784b5b0233af47;hpb=8d0728b5f1751855fa5960eeb8fe0375d7d74d51;p=prosody.git diff --git a/plugins/mod_http_files.lua b/plugins/mod_http_files.lua index f4246fd5..915bec58 100644 --- a/plugins/mod_http_files.lua +++ b/plugins/mod_http_files.lua @@ -7,14 +7,17 @@ -- module:depends("http"); +local server = require"net.http.server"; 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" }); +local base_path = module:get_option_string("http_files_dir", module:get_option_string("http_path")); +local dir_indices = module:get_option("http_index_files", { "index.html", "index.htm" }); +local directory_index = module:get_option_boolean("http_dir_listing"); local mime_map = module:shared("mime").types; if not mime_map then @@ -47,59 +50,104 @@ end local cache = setmetatable({}, { __mode = "kv" }); -- Let the garbage collector have it if it wants to. -function serve_file(event, path) - local request, response = event.request, event.response; - local orig_path = request.path; - local full_path = http_base.."/"..path; - local attr = stat(full_path); - if not attr then - return 404; +function serve(opts) + if type(opts) ~= "table" then -- assume path string + opts = { path = opts }; end + local base_path = opts.path; + local dir_indices = opts.index_files or dir_indices; + local directory_index = opts.directory_index; + local function serve_file(event, path) + local request, response = event.request, event.response; + local orig_path = request.path; + local full_path = base_path .. (path and "/"..path or ""); + local attr = stat(full_path); + if not attr then + return 404; + end - response.headers.last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification); + local request_headers, response_headers = request.headers, response.headers; - 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 + local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification); + 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; - local data = cache[path]; - if data 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.."/"; - return 301; + 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 - for i=1,#dir_indices do - if stat(full_path..dir_indices[i], "mode") == "file" then - return serve_file(event, path..dir_indices[i]); + + local data = cache[orig_path]; + if data and data.etag == etag then + response_headers.content_type = data.content_type; + data = data.data; + elseif attr.mode == "directory" and path then + if full_path:sub(-1) ~= "/" then + 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 - end + for i=1,#dir_indices do + if stat(full_path..dir_indices[i], "mode") == "file" then + return serve_file(event, path..dir_indices[i]); + end + end + + if directory_index then + data = server._events.fire_event("directory-index", { path = request.path, full_path = full_path }); + end + if not data then + return 403; + end + cache[orig_path] = { data = data, content_type = mime_map.html; etag = etag; }; + response_headers.content_type = mime_map.html; - -- TODO File listing - return 403; - else - local f = open(full_path, "rb"); - data = f and f:read("*a"); - f:close(); - if not data then - return 403; + else + local f, err = open(full_path, "rb"); + if f then + data, err = f:read("*a"); + f:close(); + end + if not data then + module:log("debug", "Could not open or read %s. Error was %s", full_path, err); + return 403; + end + local ext = full_path:match("%.([^./]+)$"); + local content_type = ext and mime_map[ext]; + cache[orig_path] = { data = data; content_type = content_type; etag = etag }; + response_headers.content_type = content_type; end - local ext = path:match("%.([^.]*)$"); - local content_type = mime_map[ext]; - cache[path] = { data = data; content_type = content_type; }; - response.headers.content_type = content_type; + + return response:send(data); end - return response:send(data); + return serve_file; end -module:provides("http", { - route = { - ["GET /*"] = serve_file; - }; -}); +function wrap_route(routes) + for route,handler in pairs(routes) do + if type(handler) ~= "function" then + routes[route] = serve(handler); + end + end + return routes; +end + +if base_path then + module:provides("http", { + route = { + ["GET /*"] = serve { + path = base_path; + directory_index = directory_index; + } + }; + }); +else + module:log("debug", "http_files_dir not set, assuming use by some other module"); +end