2009-06-16 15:45:33 +02:00
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%%%-------------------------------------------------------------------
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2009-06-16 15:44:26 +02:00
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%%% File : mod_http_fileserver.erl
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%%% Author : Massimiliano Mirra <mmirra [at] process-one [dot] net>
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%%% Purpose : Simple file server plugin for embedded ejabberd web server
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2009-06-16 15:45:57 +02:00
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%%% Created :
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%%%
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%%%
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2017-01-02 21:41:53 +01:00
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%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
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2009-06-16 15:45:57 +02:00
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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2014-02-22 11:27:40 +01:00
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2009-06-16 15:45:57 +02:00
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%%%
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%%%----------------------------------------------------------------------
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2009-06-16 15:44:26 +02:00
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-module(mod_http_fileserver).
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2013-03-14 10:33:02 +01:00
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2009-06-16 15:44:26 +02:00
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-author('mmirra@process-one.net').
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-behaviour(gen_mod).
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2009-06-16 15:45:33 +02:00
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-behaviour(gen_server).
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%% gen_mod callbacks
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2017-02-22 17:46:47 +01:00
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-export([start/2, stop/1, reload/3]).
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2009-06-16 15:45:33 +02:00
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%% gen_server callbacks
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-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
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terminate/2, code_change/3]).
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%% request_handlers callbacks
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-export([process/2]).
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2009-06-16 15:44:26 +02:00
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2015-11-23 11:53:36 +01:00
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%% utility for other http modules
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-export([content_type/3]).
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2017-01-09 15:02:17 +01:00
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-export([reopen_log/0, mod_opt_type/1, depends/2]).
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2009-06-16 15:44:26 +02:00
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-include("ejabberd.hrl").
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2013-04-08 11:12:54 +02:00
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-include("logger.hrl").
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2014-10-16 13:51:13 +02:00
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-include("ejabberd_http.hrl").
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2009-06-16 15:45:03 +02:00
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-include_lib("kernel/include/file.hrl").
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2009-06-16 15:44:26 +02:00
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2013-03-14 10:33:02 +01:00
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-record(state,
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{host, docroot, accesslog, accesslogfd,
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directory_indices, custom_headers, default_content_type,
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2016-11-17 12:59:27 +01:00
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content_types = [], user_access = none}).
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2009-06-16 15:45:33 +02:00
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2009-06-16 15:45:51 +02:00
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%% Response is {DataSize, Code, [{HeaderKey, HeaderValue}], Data}
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2013-03-14 10:33:02 +01:00
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-define(HTTP_ERR_FILE_NOT_FOUND,
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{-1, 404, [], <<"Not found">>}).
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2017-07-28 16:07:54 +02:00
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-define(REQUEST_AUTH_HEADERS,
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[{<<"WWW-Authenticate">>, <<"Basic realm=\"ejabberd\"">>}]).
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2013-03-14 10:33:02 +01:00
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-define(HTTP_ERR_FORBIDDEN,
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{-1, 403, [], <<"Forbidden">>}).
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2017-07-28 16:07:54 +02:00
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-define(HTTP_ERR_REQUEST_AUTH,
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{-1, 401, ?REQUEST_AUTH_HEADERS, <<"Unauthorized">>}).
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2017-10-05 10:33:29 +02:00
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-define(HTTP_ERR_HOST_UNKNOWN,
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{-1, 410, [], <<"Host unknown">>}).
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2013-03-14 10:33:02 +01:00
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-define(DEFAULT_CONTENT_TYPE,
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<<"application/octet-stream">>).
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-define(DEFAULT_CONTENT_TYPES,
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[{<<".css">>, <<"text/css">>},
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{<<".gif">>, <<"image/gif">>},
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{<<".html">>, <<"text/html">>},
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{<<".jar">>, <<"application/java-archive">>},
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{<<".jpeg">>, <<"image/jpeg">>},
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{<<".jpg">>, <<"image/jpeg">>},
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{<<".js">>, <<"text/javascript">>},
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{<<".png">>, <<"image/png">>},
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{<<".svg">>, <<"image/svg+xml">>},
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{<<".txt">>, <<"text/plain">>},
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{<<".xml">>, <<"application/xml">>},
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{<<".xpi">>, <<"application/x-xpinstall">>},
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{<<".xul">>, <<"application/vnd.mozilla.xul+xml">>}]).
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2009-07-21 19:31:09 +02:00
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2009-06-16 15:45:33 +02:00
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%%====================================================================
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%% gen_mod callbacks
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%%====================================================================
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start(Host, Opts) ->
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2017-02-14 10:39:26 +01:00
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gen_mod:start_child(?MODULE, Host, Opts).
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2009-06-16 15:45:33 +02:00
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stop(Host) ->
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2017-02-14 10:39:26 +01:00
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gen_mod:stop_child(?MODULE, Host).
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2009-06-16 15:45:33 +02:00
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2017-02-22 17:46:47 +01:00
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reload(Host, NewOpts, OldOpts) ->
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Proc = get_proc_name(Host),
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gen_server:cast(Proc, {reload, Host, NewOpts, OldOpts}).
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2016-07-06 13:58:48 +02:00
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depends(_Host, _Opts) ->
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[].
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2009-06-16 15:45:33 +02:00
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%%====================================================================
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%% gen_server callbacks
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%%====================================================================
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%%--------------------------------------------------------------------
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%% Function: init(Args) -> {ok, State} |
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%% {ok, State, Timeout} |
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%% ignore |
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%% {stop, Reason}
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%% Description: Initiates the server
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%%--------------------------------------------------------------------
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init([Host, Opts]) ->
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try initialize(Host, Opts) of
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2017-02-22 17:46:47 +01:00
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State ->
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2017-02-14 08:25:08 +01:00
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process_flag(trap_exit, true),
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2017-02-22 17:46:47 +01:00
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{ok, State}
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2009-06-16 15:45:33 +02:00
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catch
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throw:Reason ->
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{stop, Reason}
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end.
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initialize(Host, Opts) ->
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2017-04-30 18:01:47 +02:00
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DocRoot = gen_mod:get_opt(docroot, Opts),
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2009-06-16 15:45:33 +02:00
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check_docroot_defined(DocRoot, Host),
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DRInfo = check_docroot_exists(DocRoot),
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check_docroot_is_dir(DRInfo, DocRoot),
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check_docroot_is_readable(DRInfo, DocRoot),
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2017-04-30 18:01:47 +02:00
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AccessLog = gen_mod:get_opt(accesslog, Opts),
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2009-06-16 15:45:33 +02:00
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AccessLogFD = try_open_log(AccessLog, Host),
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2017-04-30 18:01:47 +02:00
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DirectoryIndices = gen_mod:get_opt(directory_indices, Opts, []),
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CustomHeaders = gen_mod:get_opt(custom_headers, Opts, []),
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2009-07-21 19:31:09 +02:00
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DefaultContentType = gen_mod:get_opt(default_content_type, Opts,
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2016-11-17 12:59:27 +01:00
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?DEFAULT_CONTENT_TYPE),
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2017-04-30 18:01:47 +02:00
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UserAccess0 = gen_mod:get_opt(must_authenticate_with, Opts, []),
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2016-11-17 12:59:27 +01:00
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UserAccess = case UserAccess0 of
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[] -> none;
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_ ->
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dict:from_list(UserAccess0)
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end,
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2013-03-14 10:33:02 +01:00
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ContentTypes = build_list_content_types(
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2017-04-30 18:01:47 +02:00
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gen_mod:get_opt(content_types, Opts, []),
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2013-03-14 10:33:02 +01:00
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?DEFAULT_CONTENT_TYPES),
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2017-02-24 18:57:24 +01:00
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?DEBUG("known content types: ~s",
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[str:join([[$*, K, " -> ", V] || {K, V} <- ContentTypes],
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<<", ">>)]),
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2017-02-22 17:46:47 +01:00
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#state{host = Host,
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accesslog = AccessLog,
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accesslogfd = AccessLogFD,
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docroot = DocRoot,
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directory_indices = DirectoryIndices,
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custom_headers = CustomHeaders,
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default_content_type = DefaultContentType,
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content_types = ContentTypes,
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user_access = UserAccess}.
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2013-03-14 10:33:02 +01:00
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2009-07-21 19:31:09 +02:00
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%% @spec (AdminCTs::[CT], Default::[CT]) -> [CT]
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%% where CT = {Extension::string(), Value}
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%% Value = string() | undefined
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2009-08-17 19:16:43 +02:00
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%% @doc Return a unified list without duplicates.
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%% Elements of AdminCTs have more priority.
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2009-07-21 19:31:09 +02:00
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%% If a CT is declared as 'undefined', then it is not included in the result.
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build_list_content_types(AdminCTsUnsorted, DefaultCTsUnsorted) ->
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AdminCTs = lists:ukeysort(1, AdminCTsUnsorted),
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DefaultCTs = lists:ukeysort(1, DefaultCTsUnsorted),
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2013-03-14 10:33:02 +01:00
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CTsUnfiltered = lists:ukeymerge(1, AdminCTs,
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DefaultCTs),
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[{Extension, Value}
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|| {Extension, Value} <- CTsUnfiltered,
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Value /= undefined].
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2009-06-16 15:45:33 +02:00
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check_docroot_defined(DocRoot, Host) ->
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case DocRoot of
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2013-03-14 10:33:02 +01:00
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undefined -> throw({undefined_docroot_option, Host});
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_ -> ok
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2009-06-16 15:45:33 +02:00
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end.
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check_docroot_exists(DocRoot) ->
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2017-10-05 09:26:10 +02:00
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case filelib:ensure_dir(filename:join(DocRoot, "foo")) of
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ok ->
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case file:read_file_info(DocRoot) of
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{error, Reason} ->
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throw({error_access_docroot, DocRoot, Reason});
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{ok, FI} -> FI
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end;
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{error, Reason} ->
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throw({error_access_docroot, DocRoot, Reason})
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2009-06-16 15:45:33 +02:00
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end.
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check_docroot_is_dir(DRInfo, DocRoot) ->
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case DRInfo#file_info.type of
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2013-03-14 10:33:02 +01:00
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directory -> ok;
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_ -> throw({docroot_not_directory, DocRoot})
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2009-06-16 15:45:33 +02:00
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end.
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check_docroot_is_readable(DRInfo, DocRoot) ->
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case DRInfo#file_info.access of
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2013-03-14 10:33:02 +01:00
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read -> ok;
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read_write -> ok;
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_ -> throw({docroot_not_readable, DocRoot})
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2009-06-16 15:45:33 +02:00
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end.
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2009-06-16 15:44:26 +02:00
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2009-06-16 15:45:33 +02:00
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try_open_log(undefined, _Host) ->
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undefined;
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2017-01-09 15:02:17 +01:00
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try_open_log(FN, _Host) ->
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2009-06-16 15:45:33 +02:00
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FD = try open_log(FN) of
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FD1 -> FD1
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catch
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throw:{cannot_open_accesslog, FN, Reason} ->
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?ERROR_MSG("Cannot open access log file: ~p~nReason: ~p", [FN, Reason]),
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undefined
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end,
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2017-01-09 15:02:17 +01:00
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ejabberd_hooks:add(reopen_log_hook, ?MODULE, reopen_log, 50),
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2009-06-16 15:45:33 +02:00
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FD.
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2009-06-16 15:44:32 +02:00
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2009-06-16 15:45:33 +02:00
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%%--------------------------------------------------------------------
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%% Function: handle_call(Request, From, State) -> {reply, Reply, State} |
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%% {reply, Reply, State, Timeout} |
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%% {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, Reply, State} |
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%% {stop, Reason, State}
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%% Description: Handling call messages
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%%--------------------------------------------------------------------
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2017-03-17 11:58:32 +01:00
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handle_call({serve, LocalPath, Auth, RHeaders}, _From, State) ->
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IfModifiedSince = case find_header('If-Modified-Since', RHeaders, bad_date) of
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bad_date ->
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bad_date;
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Val ->
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httpd_util:convert_request_date(binary_to_list(Val))
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end,
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2016-11-17 12:59:27 +01:00
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Reply = serve(LocalPath, Auth, State#state.docroot, State#state.directory_indices,
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2009-11-23 13:00:46 +01:00
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State#state.custom_headers,
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2016-11-17 12:59:27 +01:00
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State#state.default_content_type, State#state.content_types,
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2017-03-17 11:58:32 +01:00
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State#state.user_access, IfModifiedSince),
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2009-06-16 15:45:33 +02:00
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{reply, Reply, State};
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handle_call(_Request, _From, State) ->
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{reply, ok, State}.
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%%--------------------------------------------------------------------
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%% Function: handle_cast(Msg, State) -> {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, State}
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%% Description: Handling cast messages
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%%--------------------------------------------------------------------
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2009-06-16 15:45:51 +02:00
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handle_cast({add_to_log, FileSize, Code, Request}, State) ->
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add_to_log(State#state.accesslogfd, FileSize, Code, Request),
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2009-06-16 15:45:33 +02:00
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{noreply, State};
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handle_cast(reopen_log, State) ->
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FD2 = reopen_log(State#state.accesslog, State#state.accesslogfd),
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{noreply, State#state{accesslogfd = FD2}};
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2017-02-22 17:46:47 +01:00
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handle_cast({reload, Host, NewOpts, _OldOpts}, OldState) ->
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try initialize(Host, NewOpts) of
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NewState ->
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FD = reopen_log(NewState#state.accesslog, OldState#state.accesslogfd),
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{noreply, NewState#state{accesslogfd = FD}}
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catch throw:_ ->
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{noreply, OldState}
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end;
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handle_cast(Msg, State) ->
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?WARNING_MSG("unexpected cast: ~p", [Msg]),
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2009-06-16 15:45:33 +02:00
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{noreply, State}.
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%%--------------------------------------------------------------------
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%% Function: handle_info(Info, State) -> {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, State}
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%% Description: Handling all non call/cast messages
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%%--------------------------------------------------------------------
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handle_info(_Info, State) ->
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{noreply, State}.
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%%--------------------------------------------------------------------
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%% Function: terminate(Reason, State) -> void()
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%% Description: This function is called by a gen_server when it is about to
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%% terminate. It should be the opposite of Module:init/1 and do any necessary
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%% cleaning up. When it returns, the gen_server terminates with Reason.
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%% The return value is ignored.
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%%--------------------------------------------------------------------
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terminate(_Reason, State) ->
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close_log(State#state.accesslogfd),
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2017-01-09 15:02:17 +01:00
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%% TODO: unregister the hook gracefully
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%% ejabberd_hooks:delete(reopen_log_hook, State#state.host, ?MODULE, reopen_log, 50),
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2009-06-16 15:45:33 +02:00
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ok.
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%%--------------------------------------------------------------------
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|
%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
|
|
|
|
%% Description: Convert process state when code is changed
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
code_change(_OldVsn, State, _Extra) ->
|
|
|
|
{ok, State}.
|
|
|
|
|
|
|
|
%%====================================================================
|
|
|
|
%% request_handlers callbacks
|
|
|
|
%%====================================================================
|
|
|
|
|
|
|
|
%% @spec (LocalPath, Request) -> {HTTPCode::integer(), [Header], Page::string()}
|
|
|
|
%% @doc Handle an HTTP request.
|
|
|
|
%% LocalPath is the part of the requested URL path that is "local to the module".
|
|
|
|
%% Returns the page to be sent back to the client and/or HTTP status code.
|
2017-03-17 11:58:32 +01:00
|
|
|
process(LocalPath, #request{host = Host, auth = Auth, headers = RHeaders} = Request) ->
|
2009-06-16 15:44:26 +02:00
|
|
|
?DEBUG("Requested ~p", [LocalPath]),
|
2017-10-05 09:26:10 +02:00
|
|
|
try
|
|
|
|
VHost = ejabberd_router:host_of_route(Host),
|
|
|
|
{FileSize, Code, Headers, Contents} =
|
|
|
|
gen_server:call(get_proc_name(VHost),
|
|
|
|
{serve, LocalPath, Auth, RHeaders}),
|
|
|
|
add_to_log(FileSize, Code, Request#request{host = VHost}),
|
|
|
|
{Code, Headers, Contents}
|
|
|
|
catch _:{Why, _} when Why == noproc; Why == invalid_domain; Why == unregistered_route ->
|
2017-10-05 10:08:58 +02:00
|
|
|
?DEBUG("Received an HTTP request with Host: ~s, "
|
|
|
|
"but couldn't find the related "
|
|
|
|
"ejabberd virtual host", [Host]),
|
2017-10-05 10:33:29 +02:00
|
|
|
{FileSize1, Code1, Headers1, Contents1} = ?HTTP_ERR_HOST_UNKNOWN,
|
|
|
|
add_to_log(FileSize1, Code1, Request#request{host = ?MYNAME}),
|
2017-10-05 10:16:05 +02:00
|
|
|
{Code1, Headers1, Contents1}
|
2009-06-16 15:45:33 +02:00
|
|
|
end.
|
2009-06-16 15:44:32 +02:00
|
|
|
|
2016-11-17 12:59:27 +01:00
|
|
|
serve(LocalPath, Auth, DocRoot, DirectoryIndices, CustomHeaders, DefaultContentType,
|
2017-03-17 11:58:32 +01:00
|
|
|
ContentTypes, UserAccess, IfModifiedSince) ->
|
2016-11-17 12:59:27 +01:00
|
|
|
CanProceed = case {UserAccess, Auth} of
|
|
|
|
{none, _} -> true;
|
|
|
|
{_, {User, Pass}} ->
|
|
|
|
case dict:find(User, UserAccess) of
|
|
|
|
{ok, Pass} -> true;
|
|
|
|
_ -> false
|
|
|
|
end;
|
|
|
|
_ ->
|
|
|
|
false
|
|
|
|
end,
|
|
|
|
case CanProceed of
|
2017-07-28 16:07:54 +02:00
|
|
|
false ->
|
|
|
|
?HTTP_ERR_REQUEST_AUTH;
|
2016-11-17 12:59:27 +01:00
|
|
|
true ->
|
|
|
|
FileName = filename:join(filename:split(DocRoot) ++ LocalPath),
|
|
|
|
case file:read_file_info(FileName) of
|
2017-07-28 16:07:54 +02:00
|
|
|
{error, enoent} ->
|
|
|
|
?HTTP_ERR_FILE_NOT_FOUND;
|
|
|
|
{error, enotdir} ->
|
|
|
|
?HTTP_ERR_FILE_NOT_FOUND;
|
|
|
|
{error, eacces} ->
|
|
|
|
?HTTP_ERR_FORBIDDEN;
|
2016-11-17 12:59:27 +01:00
|
|
|
{ok, #file_info{type = directory}} -> serve_index(FileName,
|
|
|
|
DirectoryIndices,
|
|
|
|
CustomHeaders,
|
|
|
|
DefaultContentType,
|
|
|
|
ContentTypes);
|
2017-03-17 11:58:32 +01:00
|
|
|
{ok, #file_info{mtime = MTime} = FileInfo} ->
|
|
|
|
case calendar:local_time_to_universal_time_dst(MTime) of
|
|
|
|
[IfModifiedSince | _] ->
|
|
|
|
serve_not_modified(FileInfo, FileName,
|
|
|
|
CustomHeaders);
|
|
|
|
_ ->
|
|
|
|
serve_file(FileInfo, FileName,
|
|
|
|
CustomHeaders,
|
|
|
|
DefaultContentType,
|
|
|
|
ContentTypes)
|
|
|
|
end
|
2016-11-17 12:59:27 +01:00
|
|
|
end;
|
|
|
|
_ ->
|
|
|
|
?HTTP_ERR_FORBIDDEN
|
2009-06-16 15:45:51 +02:00
|
|
|
end.
|
|
|
|
|
|
|
|
%% Troll through the directory indices attempting to find one which
|
|
|
|
%% works, if none can be found, return a 404.
|
2009-12-03 23:53:39 +01:00
|
|
|
serve_index(_FileName, [], _CH, _DefaultContentType, _ContentTypes) ->
|
2009-06-16 15:45:51 +02:00
|
|
|
?HTTP_ERR_FILE_NOT_FOUND;
|
2009-11-23 13:00:46 +01:00
|
|
|
serve_index(FileName, [Index | T], CH, DefaultContentType, ContentTypes) ->
|
2009-06-16 15:45:51 +02:00
|
|
|
IndexFileName = filename:join([FileName] ++ [Index]),
|
|
|
|
case file:read_file_info(IndexFileName) of
|
2009-11-23 13:00:46 +01:00
|
|
|
{error, _Error} -> serve_index(FileName, T, CH, DefaultContentType, ContentTypes);
|
|
|
|
{ok, #file_info{type = directory}} -> serve_index(FileName, T, CH, DefaultContentType, ContentTypes);
|
|
|
|
{ok, FileInfo} -> serve_file(FileInfo, IndexFileName, CH, DefaultContentType, ContentTypes)
|
2009-06-16 15:44:26 +02:00
|
|
|
end.
|
|
|
|
|
2017-03-17 11:58:32 +01:00
|
|
|
serve_not_modified(FileInfo, FileName, CustomHeaders) ->
|
|
|
|
?DEBUG("Delivering not modified: ~s", [FileName]),
|
|
|
|
{0, 304,
|
|
|
|
[{<<"Server">>, <<"ejabberd">>},
|
|
|
|
{<<"Last-Modified">>, last_modified(FileInfo)}
|
|
|
|
| CustomHeaders], <<>>}.
|
|
|
|
|
2009-06-16 15:45:51 +02:00
|
|
|
%% Assume the file exists if we got this far and attempt to read it in
|
|
|
|
%% and serve it up.
|
2009-11-23 13:00:46 +01:00
|
|
|
serve_file(FileInfo, FileName, CustomHeaders, DefaultContentType, ContentTypes) ->
|
2009-06-16 15:45:51 +02:00
|
|
|
?DEBUG("Delivering: ~s", [FileName]),
|
2013-03-14 10:33:02 +01:00
|
|
|
ContentType = content_type(FileName, DefaultContentType,
|
|
|
|
ContentTypes),
|
2009-06-16 15:45:51 +02:00
|
|
|
{ok, FileContents} = file:read_file(FileName),
|
2013-03-14 10:33:02 +01:00
|
|
|
{FileInfo#file_info.size, 200,
|
|
|
|
[{<<"Server">>, <<"ejabberd">>},
|
|
|
|
{<<"Last-Modified">>, last_modified(FileInfo)},
|
|
|
|
{<<"Content-Type">>, ContentType}
|
|
|
|
| CustomHeaders],
|
2009-06-16 15:45:51 +02:00
|
|
|
FileContents}.
|
|
|
|
|
2009-06-16 15:45:33 +02:00
|
|
|
%%----------------------------------------------------------------------
|
|
|
|
%% Log file
|
|
|
|
%%----------------------------------------------------------------------
|
2009-06-16 15:44:26 +02:00
|
|
|
|
2009-06-16 15:45:33 +02:00
|
|
|
open_log(FN) ->
|
|
|
|
case file:open(FN, [append]) of
|
|
|
|
{ok, FD} ->
|
|
|
|
FD;
|
|
|
|
{error, Reason} ->
|
|
|
|
throw({cannot_open_accesslog, FN, Reason})
|
|
|
|
end.
|
2009-06-16 15:44:26 +02:00
|
|
|
|
2009-06-16 15:45:33 +02:00
|
|
|
close_log(FD) ->
|
|
|
|
file:close(FD).
|
|
|
|
|
|
|
|
reopen_log(undefined, undefined) ->
|
|
|
|
ok;
|
|
|
|
reopen_log(FN, FD) ->
|
|
|
|
close_log(FD),
|
|
|
|
open_log(FN).
|
2009-06-16 15:44:32 +02:00
|
|
|
|
2017-01-09 15:02:17 +01:00
|
|
|
reopen_log() ->
|
|
|
|
lists:foreach(
|
|
|
|
fun(Host) ->
|
|
|
|
gen_server:cast(get_proc_name(Host), reopen_log)
|
|
|
|
end, ?MYHOSTS).
|
2009-06-16 15:45:33 +02:00
|
|
|
|
2009-06-16 15:45:51 +02:00
|
|
|
add_to_log(FileSize, Code, Request) ->
|
2009-06-16 15:45:33 +02:00
|
|
|
gen_server:cast(get_proc_name(Request#request.host),
|
2009-06-16 15:45:51 +02:00
|
|
|
{add_to_log, FileSize, Code, Request}).
|
2009-06-16 15:45:33 +02:00
|
|
|
|
2009-06-16 15:45:51 +02:00
|
|
|
add_to_log(undefined, _FileSize, _Code, _Request) ->
|
2009-06-16 15:45:33 +02:00
|
|
|
ok;
|
2009-06-16 15:45:51 +02:00
|
|
|
add_to_log(File, FileSize, Code, Request) ->
|
2009-06-16 15:44:32 +02:00
|
|
|
{{Year, Month, Day}, {Hour, Minute, Second}} = calendar:local_time(),
|
2009-06-16 15:45:51 +02:00
|
|
|
IP = ip_to_string(element(1, Request#request.ip)),
|
2009-06-16 15:44:32 +02:00
|
|
|
Path = join(Request#request.path, "/"),
|
2017-10-02 15:36:38 +02:00
|
|
|
Query = case stringify_query(Request#request.q) of
|
2017-10-06 13:15:47 +02:00
|
|
|
<<"">> ->
|
2009-06-16 15:44:32 +02:00
|
|
|
"";
|
|
|
|
String ->
|
|
|
|
[$? | String]
|
|
|
|
end,
|
2009-06-16 15:45:51 +02:00
|
|
|
UserAgent = find_header('User-Agent', Request#request.headers, "-"),
|
|
|
|
Referer = find_header('Referer', Request#request.headers, "-"),
|
2009-06-16 15:45:33 +02:00
|
|
|
%% Pseudo Combined Apache log format:
|
|
|
|
%% 127.0.0.1 - - [28/Mar/2007:18:41:55 +0200] "GET / HTTP/1.1" 302 303 "-" "tsung"
|
|
|
|
%% TODO some fields are harcoded/missing:
|
|
|
|
%% The date/time integers should have always 2 digits. For example day "7" should be "07"
|
|
|
|
%% Month should be 3*letter, not integer 1..12
|
|
|
|
%% Missing time zone = (`+' | `-') 4*digit
|
|
|
|
%% Missing protocol version: HTTP/1.1
|
|
|
|
%% For reference: http://httpd.apache.org/docs/2.2/logs.html
|
2009-06-16 15:45:51 +02:00
|
|
|
io:format(File, "~s - - [~p/~p/~p:~p:~p:~p] \"~s /~s~s\" ~p ~p ~p ~p~n",
|
|
|
|
[IP, Day, Month, Year, Hour, Minute, Second, Request#request.method, Path, Query, Code,
|
|
|
|
FileSize, Referer, UserAgent]).
|
|
|
|
|
2017-10-02 15:36:38 +02:00
|
|
|
stringify_query(Q) ->
|
2017-10-06 13:15:47 +02:00
|
|
|
stringify_query(Q, []).
|
|
|
|
stringify_query([], Res) ->
|
|
|
|
join(lists:reverse(Res), "&");
|
|
|
|
stringify_query([{nokey, _B} | Q], Res) ->
|
|
|
|
stringify_query(Q, Res);
|
|
|
|
stringify_query([{A, B} | Q], Res) ->
|
|
|
|
stringify_query(Q, [join([A,B], "=") | Res]).
|
2017-10-02 15:36:38 +02:00
|
|
|
|
2009-06-16 15:45:51 +02:00
|
|
|
find_header(Header, Headers, Default) ->
|
|
|
|
case lists:keysearch(Header, 1, Headers) of
|
2013-03-14 10:33:02 +01:00
|
|
|
{value, {_, Value}} -> Value;
|
|
|
|
false -> Default
|
2009-06-16 15:45:51 +02:00
|
|
|
end.
|
2009-06-16 15:44:32 +02:00
|
|
|
|
2009-06-16 15:45:33 +02:00
|
|
|
%%----------------------------------------------------------------------
|
|
|
|
%% Utilities
|
|
|
|
%%----------------------------------------------------------------------
|
|
|
|
|
2017-02-14 10:39:26 +01:00
|
|
|
get_proc_name(Host) -> gen_mod:get_module_proc(Host, ?MODULE).
|
2009-06-16 15:45:33 +02:00
|
|
|
|
|
|
|
join([], _) ->
|
2013-04-12 12:55:02 +02:00
|
|
|
<<"">>;
|
2009-06-16 15:45:33 +02:00
|
|
|
join([E], _) ->
|
|
|
|
E;
|
|
|
|
join([H | T], Separator) ->
|
2013-04-12 12:55:02 +02:00
|
|
|
[H2 | T2] = case is_binary(H) of true -> [binary_to_list(I)||I<-[H|T]]; false -> [H | T] end,
|
|
|
|
Res=lists:foldl(fun(E, Acc) -> lists:concat([Acc, Separator, E]) end, H2, T2),
|
|
|
|
case is_binary(H) of true -> list_to_binary(Res); false -> Res end.
|
2009-06-16 15:45:33 +02:00
|
|
|
|
2009-07-21 19:31:09 +02:00
|
|
|
content_type(Filename, DefaultContentType, ContentTypes) ->
|
2013-04-12 12:55:02 +02:00
|
|
|
Extension = str:to_lower(filename:extension(Filename)),
|
2009-07-21 19:31:09 +02:00
|
|
|
case lists:keysearch(Extension, 1, ContentTypes) of
|
2013-03-14 10:33:02 +01:00
|
|
|
{value, {_, ContentType}} -> ContentType;
|
|
|
|
false -> DefaultContentType
|
2009-06-16 15:44:26 +02:00
|
|
|
end.
|
|
|
|
|
2009-06-16 15:45:51 +02:00
|
|
|
last_modified(FileInfo) ->
|
2009-06-16 15:45:03 +02:00
|
|
|
Then = FileInfo#file_info.mtime,
|
|
|
|
httpd_util:rfc1123_date(Then).
|
2009-06-16 15:45:51 +02:00
|
|
|
|
|
|
|
%% Convert IP address tuple to string representation. Accepts either
|
|
|
|
%% IPv4 or IPv6 address tuples.
|
|
|
|
ip_to_string(Address) when size(Address) == 4 ->
|
|
|
|
join(tuple_to_list(Address), ".");
|
|
|
|
ip_to_string(Address) when size(Address) == 8 ->
|
|
|
|
Parts = lists:map(fun (Int) -> io_lib:format("~.16B", [Int]) end, tuple_to_list(Address)),
|
2013-04-12 12:55:02 +02:00
|
|
|
string:to_lower(lists:flatten(join(Parts, ":"))).
|
2015-06-01 14:38:27 +02:00
|
|
|
|
|
|
|
mod_opt_type(accesslog) -> fun iolist_to_binary/1;
|
|
|
|
mod_opt_type(content_types) ->
|
2017-04-30 18:01:47 +02:00
|
|
|
fun(L) when is_list(L) ->
|
|
|
|
lists:map(
|
|
|
|
fun({K, V}) ->
|
|
|
|
{iolist_to_binary(K),
|
|
|
|
iolist_to_binary(V)}
|
|
|
|
end, L)
|
|
|
|
end;
|
2015-06-01 14:38:27 +02:00
|
|
|
mod_opt_type(custom_headers) ->
|
|
|
|
fun (L) when is_list(L) -> L end;
|
|
|
|
mod_opt_type(default_content_type) ->
|
|
|
|
fun iolist_to_binary/1;
|
|
|
|
mod_opt_type(directory_indices) ->
|
|
|
|
fun (L) when is_list(L) -> L end;
|
|
|
|
mod_opt_type(docroot) -> fun (A) -> A end;
|
2016-11-17 12:59:27 +01:00
|
|
|
mod_opt_type(must_authenticate_with) ->
|
|
|
|
fun (L) when is_list(L) ->
|
|
|
|
lists:map(fun(UP) when is_binary(UP) ->
|
|
|
|
[K, V] = binary:split(UP, <<":">>),
|
|
|
|
{K, V}
|
|
|
|
end, L)
|
|
|
|
end;
|
2015-06-01 14:38:27 +02:00
|
|
|
mod_opt_type(_) ->
|
|
|
|
[accesslog, content_types, custom_headers,
|
2016-11-17 12:59:27 +01:00
|
|
|
default_content_type, directory_indices, docroot,
|
|
|
|
must_authenticate_with].
|