diff options
Diffstat (limited to 'plugins/mod_http_files.lua')
| -rw-r--r-- | plugins/mod_http_files.lua | 175 |
1 files changed, 40 insertions, 135 deletions
diff --git a/plugins/mod_http_files.lua b/plugins/mod_http_files.lua index 1dae0d6d..4d0b14cd 100644 --- a/plugins/mod_http_files.lua +++ b/plugins/mod_http_files.lua @@ -7,14 +7,9 @@ -- 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 path_sep = package.config:sub(1,1); +local fileserver = require"net.http.files"; local base_path = module:get_option_path("http_files_dir", module:get_option_path("http_path")); local cache_size = module:get_option_number("http_files_cache_size", 128); @@ -38,7 +33,9 @@ if not mime_map then module:shared("/*/http_files/mime").types = mime_map; local mime_types, err = open(module:get_option_path("mime_types_file", "/etc/mime.types", "config"), "r"); - if mime_types then + if not mime_types then + module:log("debug", "Could not open MIME database: %s", err); + else local mime_data = mime_types:read("*a"); mime_types:close(); setmetatable(mime_map, { @@ -51,148 +48,56 @@ if not mime_map then end end -local forbidden_chars_pattern = "[/%z]"; -if prosody.platform == "windows" then - forbidden_chars_pattern = "[/%z\001-\031\127\"*:<>?|]" +local function get_calling_module() + local info = debug.getinfo(3, "S"); + if not info then return "An unknown module"; end + return info.source:match"mod_[^/\\.]+" or info.short_src; end -local urldecode = require "util.http".urldecode; -function sanitize_path(path) - if not path then return end - local out = {}; - - local c = 0; - for component in path:gmatch("([^/]+)") do - component = urldecode(component); - if component:find(forbidden_chars_pattern) then - return nil; - elseif component == ".." then - if c <= 0 then - return nil; - end - out[c] = nil; - c = c - 1; - elseif component ~= "." then - c = c + 1; - out[c] = component; - end - end - if path:sub(-1,-1) == "/" then - out[c+1] = ""; - end - return "/"..table.concat(out, "/"); -end - -local cache = require "util.cache".new(cache_size); - +-- COMPAT -- TODO deprecate function serve(opts) if type(opts) ~= "table" then -- assume path string opts = { path = opts }; end - -- luacheck: ignore 431 - 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 sanitized_path = sanitize_path(path); - if path and not sanitized_path then - return 400; - end - path = sanitized_path; - local orig_path = sanitize_path(request.path); - local full_path = base_path .. (path or ""):gsub("/", path_sep); - local attr = stat(full_path:match("^.*[^\\/]")); -- Strip trailing path separator because Windows - if not attr then - 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; - - 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 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:get(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 dir_path = { is_absolute = true, is_directory = true }; - for dir in orig_path:gmatch("[^/]+") do dir_path[#dir_path+1]=dir; end - response_headers.location = build_path(dir_path); - return 301; - 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:set(orig_path, { data = data, content_type = mime_map.html; etag = etag; }); - response_headers.content_type = mime_map.html; - - else - local f, err = open(full_path, "rb"); - if not f then - module:log("debug", "Could not open %s. Error was %s", full_path, err); - return 403; - end - local ext = full_path:match("%.([^./]+)$"); - local content_type = ext and mime_map[ext]; - response_headers.content_type = content_type; - if attr.size > cache_max_file_size then - response_headers.content_length = attr.size; - module:log("debug", "%d > cache_max_file_size", attr.size); - return response:send_file(f); - else - data = f:read("*a"); - f:close(); - end - cache:set(orig_path, { data = data; content_type = content_type; etag = etag }); - end - - return response:send(data); + if opts.directory_index == nil then + opts.directory_index = directory_index; end - - return serve_file; + if opts.mime_map == nil then + opts.mime_map = mime_map; + end + if opts.cache_size == nil then + opts.cache_size = cache_size; + end + if opts.cache_max_file_size == nil then + opts.cache_max_file_size = cache_max_file_size; + end + if opts.index_files == nil then + opts.index_files = dir_indices; + end + -- TODO Crank up to warning + module:log("debug", "%s should be updated to use 'net.http.files' insead of mod_http_files", get_calling_module()); + return fileserver.serve(opts); end function wrap_route(routes) + module:log("debug", "%s should be updated to use 'net.http.files' insead of mod_http_files", get_calling_module()); for route,handler in pairs(routes) do if type(handler) ~= "function" then - routes[route] = serve(handler); + routes[route] = fileserver.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 - +module:provides("http", { + route = { + ["GET /*"] = fileserver.serve({ + path = base_path; + directory_index = directory_index; + mime_map = mime_map; + cache_size = cache_size; + cache_max_file_size = cache_max_file_size; + index_files = dir_indices; + }); + }; +}); |