2021-11-23 06:43:54 +01:00
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%%%----------------------------------------------------------------------
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%%% File : mod_conversejs.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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2021-12-01 10:22:41 +01:00
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%%% Purpose : Serve simple page for Converse.js XMPP web browser client
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2021-11-23 06:43:54 +01:00
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%%% Created : 8 Nov 2021 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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2023-01-09 17:09:06 +01:00
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%%% ejabberd, Copyright (C) 2002-2023 ProcessOne
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2021-11-23 06:43:54 +01:00
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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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%%% 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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%%%
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%%%----------------------------------------------------------------------
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-module(mod_conversejs).
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-author('alexey@process-one.net').
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-behaviour(gen_mod).
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-export([start/2, stop/1, reload/3, process/2, depends/2,
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mod_opt_type/1, mod_options/1, mod_doc/0]).
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-include_lib("xmpp/include/xmpp.hrl").
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-include("logger.hrl").
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-include("ejabberd_http.hrl").
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-include("translate.hrl").
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-include("ejabberd_web_admin.hrl").
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start(_Host, _Opts) ->
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ok.
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stop(_Host) ->
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ok.
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reload(_Host, _NewOpts, _OldOpts) ->
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ok.
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depends(_Host, _Opts) ->
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[].
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2022-03-28 15:47:17 +02:00
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process([], #request{method = 'GET', host = Host, raw_path = RawPath}) ->
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2022-04-05 13:28:54 +02:00
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ExtraOptions = get_auth_options(Host)
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++ get_register_options(Host)
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++ get_extra_options(Host),
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2022-03-28 15:47:17 +02:00
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DomainRaw = gen_mod:get_module_opt(Host, ?MODULE, default_domain),
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Domain = misc:expand_keyword(<<"@HOST@">>, DomainRaw, Host),
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Script = get_file_url(Host, conversejs_script,
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<<RawPath/binary, "/converse.min.js">>,
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<<"https://cdn.conversejs.org/dist/converse.min.js">>),
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CSS = get_file_url(Host, conversejs_css,
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<<RawPath/binary, "/converse.min.css">>,
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<<"https://cdn.conversejs.org/dist/converse.min.css">>),
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2021-11-23 06:43:54 +01:00
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Init = [{<<"discover_connection_methods">>, false},
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{<<"default_domain">>, Domain},
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{<<"domain_placeholder">>, Domain},
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2022-03-28 15:47:17 +02:00
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{<<"registration_domain">>, Domain},
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{<<"assets_path">>, RawPath},
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2022-03-31 21:24:04 +02:00
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{<<"view_mode">>, <<"fullscreen">>}
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2021-11-23 06:43:54 +01:00
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Init2 =
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2022-03-31 21:01:48 +02:00
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case mod_host_meta:get_url(?MODULE, websocket, any, Host) of
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2021-11-23 06:43:54 +01:00
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undefined -> Init;
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WSURL -> [{<<"websocket_url">>, WSURL} | Init]
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end,
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Init3 =
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2022-03-31 21:01:48 +02:00
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case mod_host_meta:get_url(?MODULE, bosh, any, Host) of
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undefined -> Init2;
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BoshURL -> [{<<"bosh_service_url">>, BoshURL} | Init2]
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end,
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{200, [html],
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[<<"<!DOCTYPE html>">>,
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<<"<html>">>,
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<<"<head>">>,
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<<"<meta charset='utf-8'>">>,
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<<"<link rel='stylesheet' type='text/css' media='screen' href='">>,
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fxml:crypt(CSS), <<"'>">>,
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<<"<script src='">>, fxml:crypt(Script), <<"' charset='utf-8'></script>">>,
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<<"</head>">>,
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<<"<body>">>,
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<<"<script>">>,
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<<"converse.initialize(">>, jiffy:encode({Init3}), <<");">>,
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<<"</script>">>,
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<<"</body>">>,
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<<"</html>">>]};
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2022-03-28 15:47:17 +02:00
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process(LocalPath, #request{host = Host}) ->
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case is_served_file(LocalPath) of
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true -> serve(Host, LocalPath);
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false -> ejabberd_web:error(not_found)
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end.
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%%----------------------------------------------------------------------
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%% File server
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%%----------------------------------------------------------------------
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is_served_file([<<"converse.min.js">>]) -> true;
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is_served_file([<<"converse.min.css">>]) -> true;
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is_served_file([<<"converse.min.js.map">>]) -> true;
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is_served_file([<<"converse.min.css.map">>]) -> true;
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is_served_file([<<"emojis.js">>]) -> true;
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is_served_file([<<"locales">>, _]) -> true;
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is_served_file([<<"locales">>, <<"dayjs">>, _]) -> true;
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is_served_file([<<"webfonts">>, _]) -> true;
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is_served_file(_) -> false.
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serve(Host, LocalPath) ->
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case get_conversejs_resources(Host) of
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2022-11-23 16:28:42 +01:00
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undefined ->
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Path = str:join(LocalPath, <<"/">>),
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{303, [{<<"Location">>, <<"https://cdn.conversejs.org/dist/", Path/binary>>}], <<>>};
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2022-03-28 15:47:17 +02:00
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MainPath -> serve2(LocalPath, MainPath)
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end.
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get_conversejs_resources(Host) ->
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Opts = gen_mod:get_module_opts(Host, ?MODULE),
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mod_conversejs_opt:conversejs_resources(Opts).
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%% Copied from mod_muc_log_http.erl
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serve2(LocalPathBin, MainPathBin) ->
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LocalPath = [binary_to_list(LPB) || LPB <- LocalPathBin],
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MainPath = binary_to_list(MainPathBin),
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FileName = filename:join(filename:split(MainPath) ++ LocalPath),
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case file:read_file(FileName) of
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{ok, FileContents} ->
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?DEBUG("Delivering content.", []),
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{200,
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[{<<"Content-Type">>, content_type(FileName)}],
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FileContents};
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{error, eisdir} ->
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{403, [], "Forbidden"};
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{error, Error} ->
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?DEBUG("Delivering error: ~p", [Error]),
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case Error of
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eacces -> {403, [], "Forbidden"};
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enoent -> {404, [], "Not found"};
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_Else -> {404, [], atom_to_list(Error)}
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end
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end.
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content_type(Filename) ->
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case string:to_lower(filename:extension(Filename)) of
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".css" -> "text/css";
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".js" -> "text/javascript";
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".map" -> "application/json";
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".ttf" -> "font/ttf";
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".woff" -> "font/woff";
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".woff2" -> "font/woff2"
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end.
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%%----------------------------------------------------------------------
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%% Options parsing
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%%----------------------------------------------------------------------
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2022-04-05 13:28:54 +02:00
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get_auth_options(Domain) ->
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case {ejabberd_auth_anonymous:is_login_anonymous_enabled(Domain),
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ejabberd_auth_anonymous:is_sasl_anonymous_enabled(Domain)} of
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{false, false} ->
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[{<<"authentication">>, <<"login">>}];
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{true, false} ->
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[{<<"authentication">>, <<"external">>}];
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{_, true} ->
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[{<<"authentication">>, <<"anonymous">>},
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{<<"jid">>, Domain}]
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end.
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get_register_options(Server) ->
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AuthSupportsRegister =
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lists:any(
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fun(ejabberd_auth_mnesia) -> true;
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(ejabberd_auth_external) -> true;
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(ejabberd_auth_sql) -> true;
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(_) -> false
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end,
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ejabberd_auth:auth_modules(Server)),
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2022-05-23 16:41:19 +02:00
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Modules = get_register_modules(Server),
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2022-04-05 13:28:54 +02:00
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ModRegisterAllowsMe = (Modules == all) orelse lists:member(?MODULE, Modules),
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[{<<"allow_registration">>, AuthSupportsRegister and ModRegisterAllowsMe}].
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2022-05-23 16:41:19 +02:00
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get_register_modules(Server) ->
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try mod_register_opt:allow_modules(Server)
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catch
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error:{module_not_loaded, mod_register, _} ->
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?DEBUG("mod_conversejs couldn't get mod_register configuration for "
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"vhost ~p: module not loaded in that vhost.", [Server]),
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[]
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end.
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2022-03-31 21:24:04 +02:00
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get_extra_options(Host) ->
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RawOpts = gen_mod:get_module_opt(Host, ?MODULE, conversejs_options),
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lists:map(fun({Name, <<"true">>}) -> {Name, true};
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({Name, <<"false">>}) -> {Name, false};
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({<<"locked_domain">> = Name, Value}) ->
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{Name, misc:expand_keyword(<<"@HOST@">>, Value, Host)};
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({Name, Value}) ->
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{Name, Value}
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end,
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RawOpts).
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2022-03-28 15:47:17 +02:00
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get_file_url(Host, Option, Filename, Default) ->
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FileRaw = case gen_mod:get_module_opt(Host, ?MODULE, Option) of
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auto -> get_auto_file_url(Host, Filename, Default);
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F -> F
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end,
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misc:expand_keyword(<<"@HOST@">>, FileRaw, Host).
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get_auto_file_url(Host, Filename, Default) ->
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case get_conversejs_resources(Host) of
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undefined -> Default;
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_ -> Filename
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end.
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%%----------------------------------------------------------------------
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%%
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%%----------------------------------------------------------------------
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2021-11-23 06:43:54 +01:00
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mod_opt_type(bosh_service_url) ->
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2022-03-31 21:01:48 +02:00
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econf:either(auto, econf:binary());
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2021-11-23 06:43:54 +01:00
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mod_opt_type(websocket_url) ->
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2022-03-31 21:01:48 +02:00
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econf:either(auto, econf:binary());
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2022-03-28 15:47:17 +02:00
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mod_opt_type(conversejs_resources) ->
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econf:either(undefined, econf:directory());
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2022-03-31 21:24:04 +02:00
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mod_opt_type(conversejs_options) ->
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econf:map(econf:binary(), econf:either(econf:binary(), econf:int()));
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2021-11-23 06:43:54 +01:00
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mod_opt_type(conversejs_script) ->
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econf:binary();
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mod_opt_type(conversejs_css) ->
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econf:binary();
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mod_opt_type(default_domain) ->
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econf:binary().
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mod_options(_) ->
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2022-03-31 21:01:48 +02:00
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[{bosh_service_url, auto},
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{websocket_url, auto},
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2022-03-28 15:47:17 +02:00
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{default_domain, <<"@HOST@">>},
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{conversejs_resources, undefined},
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2022-03-31 21:24:04 +02:00
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{conversejs_options, []},
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2022-03-28 15:47:17 +02:00
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{conversejs_script, auto},
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{conversejs_css, auto}].
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2021-11-23 06:43:54 +01:00
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mod_doc() ->
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#{desc =>
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2021-12-01 10:22:41 +01:00
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[?T("This module serves a simple page for the "
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"https://conversejs.org/[Converse] XMPP web browser client."), "",
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2022-05-04 15:18:57 +02:00
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?T("This module is available since ejabberd 21.12."),
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?T("Several options were improved in ejabberd 22.05."), "",
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2021-11-23 06:43:54 +01:00
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?T("To use this module, in addition to adding it to the 'modules' "
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"section, you must also enable it in 'listen' -> 'ejabberd_http' -> "
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2021-12-01 10:22:41 +01:00
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"http://../listen-options/#request-handlers[request_handlers]."), "",
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2022-03-31 21:01:48 +02:00
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?T("Make sure either 'mod_bosh' or 'ejabberd_http_ws' "
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"http://../listen-options/#request-handlers[request_handlers] "
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"are enabled."), "",
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2022-03-28 15:47:17 +02:00
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?T("When 'conversejs_css' and 'conversejs_script' are 'auto', "
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"by default they point to the public Converse client.")
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2021-12-01 10:22:41 +01:00
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],
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2022-03-31 19:14:09 +02:00
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example =>
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[{?T("Manually setup WebSocket url, and use the public Converse client:"),
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["listen:",
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" -",
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" port: 5280",
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" module: ejabberd_http",
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" request_handlers:",
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" /bosh: mod_bosh",
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" /websocket: ejabberd_http_ws",
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" /conversejs: mod_conversejs",
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"",
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"modules:",
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" mod_bosh: {}",
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" mod_conversejs:",
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" websocket_url: \"ws://@HOST@:5280/websocket\""]},
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{?T("Host Converse locally and let auto detection of WebSocket and Converse URLs:"),
|
|
|
|
|
["listen:",
|
|
|
|
|
" -",
|
|
|
|
|
" port: 443",
|
|
|
|
|
" module: ejabberd_http",
|
|
|
|
|
" tls: true",
|
|
|
|
|
" request_handlers:",
|
|
|
|
|
" /websocket: ejabberd_http_ws",
|
|
|
|
|
" /conversejs: mod_conversejs",
|
|
|
|
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"",
|
|
|
|
|
"modules:",
|
|
|
|
|
" mod_conversejs:",
|
|
|
|
|
" conversejs_resources: \"/home/ejabberd/conversejs-9.0.0/package/dist\""]},
|
|
|
|
|
{?T("Configure some additional options for Converse"),
|
|
|
|
|
["modules:",
|
|
|
|
|
" mod_conversejs:",
|
|
|
|
|
" websocket_url: auto",
|
|
|
|
|
" conversejs_options:",
|
|
|
|
|
" auto_away: 30",
|
|
|
|
|
" clear_cache_on_logout: true",
|
|
|
|
|
" i18n: \"pt\"",
|
|
|
|
|
" locked_domain: \"@HOST@\"",
|
|
|
|
|
" message_archiving: always",
|
2022-04-06 13:00:44 +02:00
|
|
|
" theme: dracula"]}
|
2022-03-31 19:14:09 +02:00
|
|
|
],
|
2021-11-23 06:43:54 +01:00
|
|
|
opts =>
|
|
|
|
|
[{websocket_url,
|
2022-03-31 21:01:48 +02:00
|
|
|
#{value => ?T("auto | WebSocketURL"),
|
2021-11-23 06:43:54 +01:00
|
|
|
desc =>
|
2022-03-31 21:01:48 +02:00
|
|
|
?T("A WebSocket URL to which Converse can connect to. "
|
|
|
|
|
"The keyword '@HOST@' is replaced with the real virtual "
|
|
|
|
|
"host name. "
|
|
|
|
|
"If set to 'auto', it will build the URL of the first "
|
|
|
|
|
"configured WebSocket request handler. "
|
|
|
|
|
"The default value is 'auto'.")}},
|
2021-11-23 06:43:54 +01:00
|
|
|
{bosh_service_url,
|
2022-03-31 21:01:48 +02:00
|
|
|
#{value => ?T("auto | BoshURL"),
|
2021-11-23 06:43:54 +01:00
|
|
|
desc =>
|
2022-03-31 21:01:48 +02:00
|
|
|
?T("BOSH service URL to which Converse can connect to. "
|
|
|
|
|
"The keyword '@HOST@' is replaced with the real "
|
|
|
|
|
"virtual host name. "
|
|
|
|
|
"If set to 'auto', it will build the URL of the first "
|
|
|
|
|
"configured BOSH request handler. "
|
|
|
|
|
"The default value is 'auto'.")}},
|
2021-11-23 06:43:54 +01:00
|
|
|
{default_domain,
|
|
|
|
|
#{value => ?T("Domain"),
|
|
|
|
|
desc =>
|
2021-12-01 10:22:41 +01:00
|
|
|
?T("Specify a domain to act as the default for user JIDs. "
|
2022-03-28 15:47:17 +02:00
|
|
|
"The keyword '@HOST@' is replaced with the hostname. "
|
|
|
|
|
"The default value is '@HOST@'.")}},
|
|
|
|
|
{conversejs_resources,
|
|
|
|
|
#{value => ?T("Path"),
|
2022-05-04 15:18:57 +02:00
|
|
|
note => "added in 22.05",
|
2022-03-28 15:47:17 +02:00
|
|
|
desc =>
|
|
|
|
|
?T("Local path to the Converse files. "
|
|
|
|
|
"If not set, the public Converse client will be used instead.")}},
|
2022-03-31 21:24:04 +02:00
|
|
|
{conversejs_options,
|
|
|
|
|
#{value => "{Name: Value}",
|
2022-05-04 15:18:57 +02:00
|
|
|
note => "added in 22.05",
|
2022-03-31 21:24:04 +02:00
|
|
|
desc =>
|
|
|
|
|
?T("Specify additional options to be passed to Converse. "
|
|
|
|
|
"See https://conversejs.org/docs/html/configuration.html[Converse configuration]. "
|
|
|
|
|
"Only boolean, integer and string values are supported; "
|
|
|
|
|
"lists are not supported.")}},
|
2021-11-23 06:43:54 +01:00
|
|
|
{conversejs_script,
|
2022-03-28 15:47:17 +02:00
|
|
|
#{value => ?T("auto | URL"),
|
2021-11-23 06:43:54 +01:00
|
|
|
desc =>
|
2022-03-28 15:47:17 +02:00
|
|
|
?T("Converse main script URL. "
|
|
|
|
|
"The keyword '@HOST@' is replaced with the hostname. "
|
|
|
|
|
"The default value is 'auto'.")}},
|
2021-11-23 06:43:54 +01:00
|
|
|
{conversejs_css,
|
2022-03-28 15:47:17 +02:00
|
|
|
#{value => ?T("auto | URL"),
|
2021-11-23 06:43:54 +01:00
|
|
|
desc =>
|
2022-03-28 15:47:17 +02:00
|
|
|
?T("Converse CSS URL. "
|
|
|
|
|
"The keyword '@HOST@' is replaced with the hostname. "
|
|
|
|
|
"The default value is 'auto'.")}}]
|
2021-11-23 06:43:54 +01:00
|
|
|
}.
|
