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Committed 12 Dec 2025 03:57PM UTC coverage: 33.638% (-0.006%) from 33.644%

Build # 1258

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Container: Apply commit a22c88a

ejabberdctl.template: Show meaningful error when ERL_DIST_PORT is in use

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34.23

/src/mod_http_api.erl

%%%----------------------------------------------------------------------
%%% File    : mod_http_api.erl
%%% Author  : Christophe romain <christophe.romain@process-one.net>
%%% Purpose : Implements REST API for ejabberd using JSON data
%%% Created : 15 Sep 2014 by Christophe Romain <christophe.romain@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2025   ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------

-module(mod_http_api).

-author('cromain@process-one.net').

-behaviour(gen_mod).

-export([start/2, stop/1, reload/3, process/2, depends/2,
         format_arg/2, handle/4,
         mod_opt_type/1, mod_options/1, mod_doc/0]).

-include_lib("xmpp/include/xmpp.hrl").
-include("logger.hrl").
-include("ejabberd_http.hrl").

-include("translate.hrl").

-define(DEFAULT_API_VERSION, 1000000).

-define(CT_PLAIN,
        {<<"Content-Type">>, <<"text/plain">>}).

-define(CT_XML,
        {<<"Content-Type">>, <<"text/xml; charset=utf-8">>}).

-define(CT_JSON,
        {<<"Content-Type">>, <<"application/json">>}).

-define(AC_ALLOW_ORIGIN,
        {<<"Access-Control-Allow-Origin">>, <<"*">>}).

-define(AC_ALLOW_METHODS,
        {<<"Access-Control-Allow-Methods">>,
         <<"GET, POST, OPTIONS">>}).

-define(AC_ALLOW_HEADERS,
        {<<"Access-Control-Allow-Headers">>,
         <<"Content-Type, Authorization, X-Admin">>}).

-define(AC_MAX_AGE,
        {<<"Access-Control-Max-Age">>, <<"86400">>}).

-define(OPTIONS_HEADER,
        [?CT_PLAIN, ?AC_ALLOW_ORIGIN, ?AC_ALLOW_METHODS,
         ?AC_ALLOW_HEADERS, ?AC_MAX_AGE]).

-define(HEADER(CType),
        [CType, ?AC_ALLOW_ORIGIN, ?AC_ALLOW_HEADERS]).

%% -------------------
%% Module control
%% -------------------

start(_Host, _Opts) ->
    ok.

stop(_Host) ->
    ok.

reload(_Host, _NewOpts, _OldOpts) ->
    ok.

depends(_Host, _Opts) ->
    [].

%% ----------
%% basic auth
%% ----------

extract_auth(#request{auth = HTTPAuth, ip = {IP, _}, opts = Opts}) ->
    Info = case HTTPAuth of
               {SJID, Pass} ->
                   try jid:decode(SJID) of
                       #jid{luser = User, lserver = Server} ->
                           case ejabberd_auth:check_password(User, <<"">>, Server, Pass) of
                               true ->
                                   #{usr => {User, Server, <<"">>}, caller_server => Server};
                               false ->
                                   {error, invalid_auth}
                           end
                   catch _:{bad_jid, _} ->
                       {error, invalid_auth}
                   end;
               {oauth, Token, _} ->
                   case ejabberd_oauth:check_token(Token) of
                       {ok, {U, S}, Scope} ->
                           #{usr => {U, S, <<"">>}, oauth_scope => Scope, caller_server => S};
                       {false, Reason} ->
                           {error, Reason}
                   end;
               invalid ->
                   {error, invalid_auth};
               _ ->
                   #{}
           end,
    case Info of
        Map when is_map(Map) ->
            Tag = proplists:get_value(tag, Opts, <<>>),
            Map#{caller_module => ?MODULE, ip => IP, tag => Tag};
        _ ->
            ?DEBUG("Invalid auth data: ~p", [Info]),
            Info
    end.

%% ------------------
%% command processing
%% ------------------

%process(Call, Request) ->
%    ?DEBUG("~p~n~p", [Call, Request]), ok;
process(_, #request{method = 'POST', data = <<>>}) ->
    ?DEBUG("Bad Request: no data", []),
    badrequest_response(<<"Missing POST data">>);
process([Call | _], #request{method = 'POST', data = Data, ip = IPPort} = Req) ->
    Version = get_api_version(Req),
    try
        Args = extract_args(Data),
        log(Call, Args, IPPort),
        perform_call(Call, Args, Req, Version)
    catch
        %% TODO We need to refactor to remove redundant error return formatting
        throw:{error, unknown_command} ->
            json_format({404, 44, <<"Command not found.">>});
        _:{error,{_,invalid_json}} = Err ->
            ?DEBUG("Bad Request: ~p", [Err]),
            badrequest_response(<<"Invalid JSON input">>);
        _Class:Error:StackTrace ->
            ?DEBUG("Bad Request: ~p ~p", [Error, StackTrace]),
            badrequest_response()
    end;
process([Call | _], #request{method = 'GET', q = Data, ip = {IP, _}} = Req) ->
    Version = get_api_version(Req),
    try
        Args = case Data of
                   [{nokey, <<>>}] -> [];
                   _ -> Data
               end,
        log(Call, Args, IP),
        perform_call(Call, Args, Req, Version)
    catch
        %% TODO We need to refactor to remove redundant error return formatting
        throw:{error, unknown_command} ->
            json_format({404, 44, <<"Command not found.">>});
        _:Error:StackTrace ->
            ?DEBUG("Bad Request: ~p ~p", [Error, StackTrace]),
            badrequest_response()
    end;
process([_Call], #request{method = 'OPTIONS', data = <<>>}) ->
    {200, ?OPTIONS_HEADER, []};
process(_, #request{method = 'OPTIONS'}) ->
    {400, ?OPTIONS_HEADER, []};
process(_Path, Request) ->
    ?DEBUG("Bad Request: no handler ~p", [Request]),
    json_error(400, 40, <<"Missing command name.">>).

perform_call(Command, Args, Req, Version) ->
    case catch binary_to_existing_atom(Command, utf8) of
        Call when is_atom(Call) ->
            case extract_auth(Req) of
                {error, expired} -> invalid_token_response();
                {error, not_found} -> invalid_token_response();
                {error, invalid_auth} -> unauthorized_response();
                Auth when is_map(Auth) ->
                    Result = handle(Call, Auth, Args, Version),
                    json_format(Result)
            end;
        _ ->
            json_error(404, 40, <<"Endpoint not found.">>)
    end.

%% Be tolerant to make API more easily usable from command-line pipe.
extract_args(<<"\n">>) -> [];
extract_args(Data) ->
    Maps = misc:json_decode(Data),
    maps:to_list(Maps).

% get API version N from last "vN" element in URL path
get_api_version(#request{path = Path, host = Host}) ->
    get_api_version(lists:reverse(Path), Host).

get_api_version([<<"v", String/binary>> | Tail], Host) ->
    case catch binary_to_integer(String) of
        N when is_integer(N) ->
            N;
        _ ->
            get_api_version(Tail, Host)
    end;
get_api_version([_Head | Tail], Host) ->
    get_api_version(Tail, Host);
get_api_version([], Host) ->
    try mod_http_api_opt:default_version(Host)
    catch error:{module_not_loaded, ?MODULE, Host} ->
        ?WARNING_MSG("Using module ~p for host ~s, but it isn't configured "
                     "in the configuration file", [?MODULE, Host]),
        ?DEFAULT_API_VERSION
    end.

%% ----------------
%% command handlers
%% ----------------

%% TODO Check accept types of request before decided format of reply.

% generic ejabberd command handler
handle(Call, Auth, Args, Version) when is_atom(Call), is_list(Args) ->
    Args2 = [{misc:binary_to_atom(Key), Value} || {Key, Value} <- Args],
    try handle2(Call, Auth, Args2, Version)
    catch throw:not_found ->
            {404, <<"not_found">>};
          throw:{not_found, Why} when is_atom(Why) ->
            {404, misc:atom_to_binary(Why)};
          throw:{not_found, Msg} ->
            {404, iolist_to_binary(Msg)};
          throw:not_allowed ->
            {401, <<"not_allowed">>};
          throw:{not_allowed, Why} when is_atom(Why) ->
            {401, misc:atom_to_binary(Why)};
          throw:{not_allowed, Msg} ->
            {401, iolist_to_binary(Msg)};
          throw:{error, account_unprivileged} ->
            {403, 31, <<"Command need to be run with admin privilege.">>};
          throw:{error, access_rules_unauthorized} ->
            {403, 32, <<"AccessRules: Account does not have the right to perform the operation.">>};
          throw:{invalid_parameter, Msg} ->
            {400, iolist_to_binary(Msg)};
          throw:{error, Why} when is_atom(Why) ->
            {400, misc:atom_to_binary(Why)};
          throw:{error, Msg} ->
            {400, iolist_to_binary(Msg)};
          throw:Error when is_atom(Error) ->
            {400, misc:atom_to_binary(Error)};
          throw:Msg when is_list(Msg); is_binary(Msg) ->
            {400, iolist_to_binary(Msg)};
        Class:Error:StackTrace ->
            ?ERROR_MSG("REST API Error: "
                       "~ts(~p) -> ~p:~p ~p",
                       [Call,
                        hide_sensitive_args(Args),
                        Class,
                        Error,
                        StackTrace]),
            {500, <<"internal_error">>}
    end.

handle2(Call, Auth, Args, Version) when is_atom(Call), is_list(Args) ->
    {ArgsF, ArgsR, _ResultF} = ejabberd_commands:get_command_format(Call, Auth, Version),
    ArgsFormatted = format_args(Call, rename_old_args(Args, ArgsR), ArgsF),
    case ejabberd_commands:execute_command2(Call, ArgsFormatted, Auth, Version) of
        {error, Error} ->
            throw(Error);
        Res ->
            format_command_result(Call, Auth, Res, Version)
    end.

rename_old_args(Args, []) ->
    Args;
rename_old_args(Args, [{OldName, NewName} | ArgsR]) ->
    Args2 = case lists:keytake(OldName, 1, Args) of
        {value, {OldName, Value}, ArgsTail} ->
            [{NewName, Value} | ArgsTail];
        false ->
            Args
    end,
    rename_old_args(Args2, ArgsR).

get_elem_delete(Call, A, L, F) ->
    case proplists:get_all_values(A, L) of
      [Value] -> {Value, proplists:delete(A, L)};
      [_, _ | _] ->
          ?INFO_MSG("Command ~ts call rejected, it has duplicate attribute ~w",
                    [Call, A]),
          throw({invalid_parameter,
                 io_lib:format("Request have duplicate argument: ~w", [A])});
      [] ->
          case F of
              {list, _} ->
                  {[], L};
              _ ->
                  ?INFO_MSG("Command ~ts call rejected, missing attribute ~w",
                            [Call, A]),
                  throw({invalid_parameter,
                         io_lib:format("Request have missing argument: ~w", [A])})
          end
    end.

format_args(Call, Args, ArgsFormat) ->
    {ArgsRemaining, R} = lists:foldl(fun ({ArgName,
                                           ArgFormat},
                                          {Args1, Res}) ->
                                             {ArgValue, Args2} =
                                                 get_elem_delete(Call, ArgName,
                                                                 Args1, ArgFormat),
                                             Formatted = format_arg(ArgValue,
                                                                    ArgFormat),
                                             {Args2, Res ++ [Formatted]}
                                     end,
                                     {Args, []}, ArgsFormat),
    case ArgsRemaining of
      [] -> R;
      L when is_list(L) ->
          ExtraArgs = [N || {N, _} <- L],
          ?INFO_MSG("Command ~ts call rejected, it has unknown arguments ~w",
              [Call, ExtraArgs]),
          throw({invalid_parameter,
                 io_lib:format("Request have unknown arguments: ~w", [ExtraArgs])})
    end.

format_arg({Elements},
           {list, {_ElementDefName, {tuple, [{_Tuple1N, Tuple1S}, {_Tuple2N, Tuple2S}]} = Tuple}})
    when is_list(Elements) andalso
         (Tuple1S == binary orelse Tuple1S == string) ->
    lists:map(fun({F1, F2}) ->
                      {format_arg(F1, Tuple1S), format_arg(F2, Tuple2S)};
                 ({Val}) when is_list(Val) ->
                      format_arg({Val}, Tuple)
              end, Elements);
format_arg(Map,
           {list, {_ElementDefName, {tuple, [{_Tuple1N, Tuple1S}, {_Tuple2N, Tuple2S}]}}})
    when is_map(Map) andalso
         (Tuple1S == binary orelse Tuple1S == string) ->
    maps:fold(
        fun(K, V, Acc) ->
            [{format_arg(K, Tuple1S), format_arg(V, Tuple2S)} | Acc]
        end, [], Map);
format_arg(Elements,
           {list, {_ElementDefName, {list, _} = ElementDefFormat}})
    when is_list(Elements) ->
    [{format_arg(Element, ElementDefFormat)}
     || Element <- Elements];

%% Covered by command_test_list and command_test_list_tuple
format_arg(Element, {list, Def})
    when not is_list(Element) ->
    format_arg([Element], {list, Def});
format_arg(Elements,
           {list, {_ElementDefName, ElementDefFormat}})
    when is_list(Elements) ->
    [format_arg(Element, ElementDefFormat)
     || Element <- Elements];

format_arg({[{Name, Value}]},
           {tuple, [{_Tuple1N, Tuple1S}, {_Tuple2N, Tuple2S}]})
  when Tuple1S == binary;
       Tuple1S == string ->
    {format_arg(Name, Tuple1S), format_arg(Value, Tuple2S)};

%% Covered by command_test_tuple and command_test_list_tuple
format_arg(Elements,
           {tuple, ElementsDef})
  when is_map(Elements) ->
    list_to_tuple([format_arg(element(2, maps:find(atom_to_binary(Name, latin1), Elements)), Format)
                   || {Name, Format} <- ElementsDef]);

format_arg({Elements},
           {tuple, ElementsDef})
    when is_list(Elements) ->
    F = lists:map(fun({TElName, TElDef}) ->
                          case lists:keyfind(atom_to_binary(TElName, latin1), 1, Elements) of
                              {_, Value} ->
                                  format_arg(Value, TElDef);
                              _ when TElDef == binary; TElDef == string ->
                                  <<"">>;
                              _ ->
                                  ?ERROR_MSG("Missing field ~p in tuple ~p", [TElName, Elements]),
                                  throw({invalid_parameter,
                                         io_lib:format("Missing field ~w in tuple ~w", [TElName, Elements])})
                          end
                  end, ElementsDef),
    list_to_tuple(F);

format_arg(Elements, {list, ElementsDef})
    when is_list(Elements) and is_atom(ElementsDef) ->
    [format_arg(Element, ElementsDef)
     || Element <- Elements];

format_arg(Arg, integer) when is_integer(Arg) -> Arg;
format_arg(Arg, integer) when is_binary(Arg) -> binary_to_integer(Arg);
format_arg(Arg, binary) when is_list(Arg) -> process_unicode_codepoints(Arg);
format_arg(Arg, binary) when is_binary(Arg) -> Arg;
format_arg([], binary_or_list) -> [];
format_arg([First | _] = Arg, binary_or_list) when is_binary(First) -> Arg;
format_arg([First | _] = Arg, binary_or_list) when is_integer(First) ->
    [process_unicode_codepoints(Arg)];
format_arg(Arg, binary_or_list) when is_binary(Arg) -> [Arg];
format_arg(Arg, string) when is_list(Arg) -> Arg;
format_arg(Arg, string) when is_binary(Arg) -> binary_to_list(Arg);
format_arg(undefined, binary) -> <<>>;
format_arg(undefined, binary_or_list) -> [];
format_arg(undefined, string) -> "";
format_arg(Arg, Format) ->
    ?ERROR_MSG("Don't know how to format Arg ~p for format ~p", [Arg, Format]),
    throw({invalid_parameter,
           io_lib:format("Arg ~w is not in format ~w",
                         [Arg, Format])}).

process_unicode_codepoints(Str) ->
    iolist_to_binary(lists:map(fun(X) when X > 255 -> unicode:characters_to_binary([X]);
                                  (Y) -> Y
                               end, Str)).

%% ----------------
%% internal helpers
%% ----------------

format_command_result(Cmd, Auth, Result, Version) ->
    {_, _, ResultFormat} = ejabberd_commands:get_command_format(Cmd, Auth, Version),
    case {ResultFormat, Result} of
        {{_, rescode}, V} when V == true; V == ok ->
            {200, 0};
        {{_, rescode}, _} ->
            {200, 1};
        {_, {error, ErrorAtom, Code, Msg}} ->
            format_error_result(ErrorAtom, Code, Msg);
        {{_, restuple}, {V, Text}} when V == true; V == ok ->
            {200, iolist_to_binary(Text)};
        {{_, restuple}, {ErrorAtom, Msg}} ->
            format_error_result(ErrorAtom, 0, Msg);
        {{_, {list, _}}, _V} ->
            {_, L} = format_result(Result, ResultFormat),
            {200, L};
        {{_, {tuple, _}}, _V} ->
            {_, T} = format_result(Result, ResultFormat),
            {200, T};
        _ ->
            OtherResult1 = format_result(Result, ResultFormat),
            OtherResult2 = case Version of
                               0 ->
                                   {[OtherResult1]};
                               _ ->
                                   {_, Other3} = OtherResult1,
                                   Other3
                           end,
            {200, OtherResult2}
    end.

format_result(Atom, {Name, atom}) ->
    {misc:atom_to_binary(Name), misc:atom_to_binary(Atom)};

format_result(Int, {Name, integer}) ->
    {misc:atom_to_binary(Name), Int};

format_result([String | _] = StringList, {Name, string}) when is_list(String) ->
    Binarized = iolist_to_binary(string:join(StringList, "\n")),
    {misc:atom_to_binary(Name), Binarized};

format_result(String, {Name, string}) ->
    {misc:atom_to_binary(Name), iolist_to_binary(String)};

format_result(Binary, {Name, binary}) ->
    {misc:atom_to_binary(Name), Binary};

format_result(Code, {Name, rescode}) ->
    {misc:atom_to_binary(Name), Code == true orelse Code == ok};

format_result({Code, Text}, {Name, restuple}) ->
    {misc:atom_to_binary(Name),
     {[{<<"res">>, Code == true orelse Code == ok},
       {<<"text">>, iolist_to_binary(Text)}]}};

format_result(Code, {Name, restuple}) ->
    {misc:atom_to_binary(Name),
     {[{<<"res">>, Code == true orelse Code == ok},
       {<<"text">>, <<"">>}]}};

format_result(Els1, {Name, {list, {_, {tuple, [{_, atom}, _]}} = Fmt}}) ->
    Els = lists:keysort(1, Els1),
    {misc:atom_to_binary(Name), {[format_result(El, Fmt) || El <- Els]}};

format_result(Els1, {Name, {list, {_, {tuple, [{name, string}, {value, _}]}} = Fmt}}) ->
    Els = lists:keysort(1, Els1),
    {misc:atom_to_binary(Name), {[format_result(El, Fmt) || El <- Els]}};

%% Covered by command_test_list and command_test_list_tuple
format_result(Els1, {Name, {list, Def}}) ->
    Els = lists:sort(Els1),
    {misc:atom_to_binary(Name), [element(2, format_result(El, Def)) || El <- Els]};

format_result(Tuple, {_Name, {tuple, [{_, atom}, ValFmt]}}) ->
    {Name2, Val} = Tuple,
    {_, Val2} = format_result(Val, ValFmt),
    {misc:atom_to_binary(Name2), Val2};

format_result(Tuple, {_Name, {tuple, [{name, string}, {value, _} = ValFmt]}}) ->
    {Name2, Val} = Tuple,
    {_, Val2} = format_result(Val, ValFmt),
    {iolist_to_binary(Name2), Val2};

%% Covered by command_test_tuple and command_test_list_tuple
format_result(Tuple, {Name, {tuple, Def}}) ->
    Els = lists:zip(tuple_to_list(Tuple), Def),
    Els2 = [format_result(El, ElDef) || {El, ElDef} <- Els],
    {misc:atom_to_binary(Name), maps:from_list(Els2)};

format_result(404, {_Name, _}) ->
    "not_found".


format_error_result(conflict, Code, Msg) ->
    {409, Code, iolist_to_binary(Msg)};
format_error_result(not_exists, Code, Msg) ->
    {404, Code, iolist_to_binary(Msg)};
format_error_result(_ErrorAtom, Code, Msg) ->
    {500, Code, iolist_to_binary(Msg)}.

unauthorized_response() ->
    json_error(401, 10, <<"You are not authorized to call this command.">>).

invalid_token_response() ->
    json_error(401, 10, <<"Oauth Token is invalid or expired.">>).

%% outofscope_response() ->
%%     json_error(401, 11, <<"Token does not grant usage to command required scope.">>).

badrequest_response() ->
    badrequest_response(<<"400 Bad Request">>).
badrequest_response(Body) ->
    json_response(400, misc:json_encode(Body)).

json_format({Code, Result}) ->
    json_response(Code, misc:json_encode(Result));
json_format({HTMLCode, JSONErrorCode, Message}) ->
    json_error(HTMLCode, JSONErrorCode, Message).

json_response(Code, Body) when is_integer(Code) ->
    {Code, ?HEADER(?CT_JSON), Body}.

%% HTTPCode, JSONCode = integers
%% message is binary
json_error(HTTPCode, JSONCode, Message) ->
    {HTTPCode, ?HEADER(?CT_JSON),
     misc:json_encode(#{<<"status">> => <<"error">>,
                    <<"code">> =>  JSONCode,
                    <<"message">> => Message})
    }.

log(Call, Args, {Addr, Port}) ->
    AddrS = misc:ip_to_list({Addr, Port}),
    ?INFO_MSG("API call ~ts ~p from ~ts:~p", [Call, hide_sensitive_args(Args), AddrS, Port]);
log(Call, Args, IP) ->
    ?INFO_MSG("API call ~ts ~p (~p)", [Call, hide_sensitive_args(Args), IP]).

hide_sensitive_args(Args=[_H|_T]) ->
    lists:map(fun({<<"password">>, Password}) -> {<<"password">>, ejabberd_config:may_hide_data(Password)};
         ({<<"newpass">>,NewPassword}) -> {<<"newpass">>, ejabberd_config:may_hide_data(NewPassword)};
         (E) -> E end,
         Args);
hide_sensitive_args(NonListArgs) ->
    NonListArgs.

mod_opt_type(default_version) ->
    econf:either(
        econf:int(0, 3),
        econf:and_then(
            econf:binary(),
            fun(Binary) ->
               case binary_to_list(Binary) of
                   F when F >= "24.06" ->
                       2;
                   F when (F > "23.10") and (F < "24.06") ->
                       1;
                   F when F =< "23.10" ->
                       0
               end
            end)).

-spec mod_options(binary()) -> [{default_version, integer()}].

mod_options(_) ->
    [{default_version, ?DEFAULT_API_VERSION}].

mod_doc() ->
    #{desc =>
          [?T("This module provides a ReST interface to call "
              "_`../../developer/ejabberd-api/index.md|ejabberd API`_ "
              "commands using JSON data."), "",
           ?T("To use this module, in addition to adding it to the 'modules' "
              "section, you must also enable it in 'listen' -> 'ejabberd_http' -> "
              "_`listen-options.md#request_handlers|request_handlers`_."), "",
           ?T("To use a specific API version N, when defining the URL path "
              "in the request_handlers, add a vN. "
              "For example: '/api/v2: mod_http_api'."), "",
           ?T("To run a command, send a POST request to the corresponding "
              "URL: 'http://localhost:5280/api/COMMAND-NAME'")],
     opts =>
          [{default_version,
            #{value => "integer() | string()",
              note => "added in 24.12",
              desc =>
                  ?T("What API version to use when none is specified in the URL path. "
                     "If setting an ejabberd version, it will use the latest API "
                     "version that was available in that ejabberd version. "
                     "For example, setting '\"24.06\"' in this option implies '2'. "
                     "The default value is the latest version.")}}],
     example =>
         ["listen:",
          "  -",
          "    port: 5280",
          "    module: ejabberd_http",
          "    request_handlers:",
          "      /api: mod_http_api",
          "",
          "modules:",
          "  mod_http_api:",
          "    default_version: 2"]}.

processone / ejabberd / 1258

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