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xmpp.chapril.org-ejabberd/src/ejabberd_admin.erl

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%%%-------------------------------------------------------------------
%%% File : ejabberd_admin.erl
%%% Author : Mickael Remond <mremond@process-one.net>
%%% Purpose : Administrative functions and commands
%%% Created : 7 May 2006 by Mickael Remond <mremond@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2023 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(ejabberd_admin).
-author('mickael.remond@process-one.net').
-behaviour(gen_server).
-export([start_link/0,
%% Server
status/0, stop/0, restart/0,
reopen_log/0, rotate_log/0,
set_loglevel/1,
stop_kindly/2, send_service_message_all_mucs/2,
registered_vhosts/0,
reload_config/0,
dump_config/1,
convert_to_yaml/2,
%% Cluster
join_cluster/1, leave_cluster/1, list_cluster/0,
%% Erlang
update_list/0, update/1, update/0,
%% Accounts
register/3, unregister/2,
registered_users/1,
%% Migration jabberd1.4
import_file/1, import_dir/1,
%% Purge DB
delete_expired_messages/0, delete_old_messages/1,
%% Mnesia
set_master/1,
backup_mnesia/1, restore_mnesia/1,
dump_mnesia/1, dump_table/2, load_mnesia/1,
mnesia_info/0, mnesia_table_info/1,
install_fallback_mnesia/1,
dump_to_textfile/1, dump_to_textfile/2,
mnesia_change_nodename/4,
restore/1, % Still used by some modules
clear_cache/0,
gc/0,
get_commands_spec/0,
delete_old_messages_batch/4, delete_old_messages_status/1, delete_old_messages_abort/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-include("logger.hrl").
-include("ejabberd_commands.hrl").
-record(state, {}).
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
init([]) ->
process_flag(trap_exit, true),
ejabberd_commands:register_commands(get_commands_spec()),
{ok, #state{}}.
handle_call(Request, From, State) ->
?WARNING_MSG("Unexpected call from ~p: ~p", [From, Request]),
{noreply, State}.
handle_cast(Msg, State) ->
?WARNING_MSG("Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info(Info, State) ->
?WARNING_MSG("Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ejabberd_commands:unregister_commands(get_commands_spec()).
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%
%%% ejabberd commands
%%%
get_commands_spec() ->
[
%% The commands status, stop and restart are implemented also in ejabberd_ctl
%% They are defined here so that other interfaces can use them too
#ejabberd_commands{name = status, tags = [server],
desc = "Get status of the ejabberd server",
module = ?MODULE, function = status,
result_desc = "Result tuple",
result_example = {ok, <<"The node ejabberd@localhost is started with status: started"
"ejabberd X.X is running in that node">>},
args = [], result = {res, restuple}},
#ejabberd_commands{name = stop, tags = [server],
desc = "Stop ejabberd gracefully",
module = ?MODULE, function = stop,
args = [], result = {res, rescode}},
#ejabberd_commands{name = halt, tags = [server],
desc = "Halt ejabberd abruptly with status code 1",
note = "added in 23.10",
module = ejabberd, function = halt,
args = [], result = {res, rescode}},
#ejabberd_commands{name = restart, tags = [server],
desc = "Restart ejabberd gracefully",
module = ?MODULE, function = restart,
args = [], result = {res, rescode}},
#ejabberd_commands{name = reopen_log, tags = [logs],
desc = "Reopen the log files after being renamed",
longdesc = "This can be useful when an external tool is "
"used for log rotation. See "
"https://docs.ejabberd.im/admin/guide/troubleshooting/#log-files",
policy = admin,
module = ?MODULE, function = reopen_log,
args = [], result = {res, rescode}},
#ejabberd_commands{name = rotate_log, tags = [logs],
desc = "Rotate the log files",
module = ?MODULE, function = rotate_log,
args = [], result = {res, rescode}},
#ejabberd_commands{name = stop_kindly, tags = [server],
desc = "Inform users and rooms, wait, and stop the server",
longdesc = "Provide the delay in seconds, and the "
"announcement quoted, for example: \n"
"`ejabberdctl stop_kindly 60 "
"\\\"The server will stop in one minute.\\\"`",
module = ?MODULE, function = stop_kindly,
args_desc = ["Seconds to wait", "Announcement to send, with quotes"],
args_example = [60, <<"Server will stop now.">>],
args = [{delay, integer}, {announcement, string}],
result = {res, rescode}},
#ejabberd_commands{name = get_loglevel, tags = [logs],
desc = "Get the current loglevel",
module = ejabberd_logger, function = get,
result_desc = "Tuple with the log level number, its keyword and description",
result_example = warning,
args = [],
result = {levelatom, atom}},
#ejabberd_commands{name = set_loglevel, tags = [logs],
desc = "Set the loglevel",
module = ?MODULE, function = set_loglevel,
args_desc = ["Desired logging level: none | emergency | alert | critical "
"| error | warning | notice | info | debug"],
args_example = ["debug"],
args = [{loglevel, string}],
result = {res, rescode}},
#ejabberd_commands{name = update_list, tags = [server],
desc = "List modified modules that can be updated",
module = ?MODULE, function = update_list,
args = [],
result_example = ["mod_configure", "mod_vcard"],
result = {modules, {list, {module, string}}}},
#ejabberd_commands{name = update, tags = [server],
desc = "Update the given module, or use the keyword: all",
module = ?MODULE, function = update,
args_example = ["mod_vcard"],
args = [{module, string}],
result = {res, restuple}},
#ejabberd_commands{name = register, tags = [accounts],
desc = "Register a user",
policy = admin,
module = ?MODULE, function = register,
args_desc = ["Username", "Local vhost served by ejabberd", "Password"],
args_example = [<<"bob">>, <<"example.com">>, <<"SomEPass44">>],
args = [{user, binary}, {host, binary}, {password, binary}],
result = {res, restuple}},
#ejabberd_commands{name = unregister, tags = [accounts],
desc = "Unregister a user",
longdesc = "This deletes the authentication and all the "
"data associated to the account (roster, vcard...).",
policy = admin,
module = ?MODULE, function = unregister,
args_desc = ["Username", "Local vhost served by ejabberd"],
args_example = [<<"bob">>, <<"example.com">>],
args = [{user, binary}, {host, binary}],
result = {res, restuple}},
#ejabberd_commands{name = registered_users, tags = [accounts],
desc = "List all registered users in HOST",
module = ?MODULE, function = registered_users,
args_desc = ["Local vhost"],
args_example = [<<"example.com">>],
result_desc = "List of registered accounts usernames",
result_example = [<<"user1">>, <<"user2">>],
args = [{host, binary}],
result = {users, {list, {username, string}}}},
#ejabberd_commands{name = registered_vhosts, tags = [server],
desc = "List all registered vhosts in SERVER",
module = ?MODULE, function = registered_vhosts,
result_desc = "List of available vhosts",
result_example = [<<"example.com">>, <<"anon.example.com">>],
args = [],
result = {vhosts, {list, {vhost, string}}}},
#ejabberd_commands{name = reload_config, tags = [config],
desc = "Reload config file in memory",
module = ?MODULE, function = reload_config,
args = [],
result = {res, rescode}},
#ejabberd_commands{name = join_cluster, tags = [cluster],
desc = "Join this node into the cluster handled by Node",
longdesc = "This command works only with ejabberdctl, "
"not mod_http_api or other code that runs inside the "
"same ejabberd node that will be joined.",
module = ?MODULE, function = join_cluster,
args_desc = ["Nodename of the node to join"],
args_example = [<<"ejabberd1@machine7">>],
args = [{node, binary}],
result = {res, rescode}},
#ejabberd_commands{name = leave_cluster, tags = [cluster],
desc = "Remove and shutdown Node from the running cluster",
longdesc = "This command can be run from any running "
"node of the cluster, even the node to be removed. "
"In the removed node, this command works only when "
"using ejabberdctl, not mod_http_api or other code that "
"runs inside the same ejabberd node that will leave.",
module = ?MODULE, function = leave_cluster,
args_desc = ["Nodename of the node to kick from the cluster"],
args_example = [<<"ejabberd1@machine8">>],
args = [{node, binary}],
result = {res, rescode}},
#ejabberd_commands{name = list_cluster, tags = [cluster],
desc = "List nodes that are part of the cluster handled by Node",
module = ?MODULE, function = list_cluster,
result_example = [ejabberd1@machine7, ejabberd1@machine8],
args = [],
result = {nodes, {list, {node, atom}}}},
#ejabberd_commands{name = import_file, tags = [mnesia],
desc = "Import user data from jabberd14 spool file",
module = ?MODULE, function = import_file,
args_desc = ["Full path to the jabberd14 spool file"],
args_example = ["/var/lib/ejabberd/jabberd14.spool"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = import_dir, tags = [mnesia],
desc = "Import users data from jabberd14 spool dir",
module = ?MODULE, function = import_dir,
args_desc = ["Full path to the jabberd14 spool directory"],
args_example = ["/var/lib/ejabberd/jabberd14/"],
args = [{file, string}],
result = {res, restuple}},
#ejabberd_commands{name = import_piefxis, tags = [mnesia],
desc = "Import users data from a PIEFXIS file (XEP-0227)",
module = ejabberd_piefxis, function = import_file,
args_desc = ["Full path to the PIEFXIS file"],
args_example = ["/var/lib/ejabberd/example.com.xml"],
args = [{file, binary}], result = {res, rescode}},
#ejabberd_commands{name = export_piefxis, tags = [mnesia],
desc = "Export data of all users in the server to PIEFXIS files (XEP-0227)",
module = ejabberd_piefxis, function = export_server,
args_desc = ["Full path to a directory"],
args_example = ["/var/lib/ejabberd/"],
args = [{dir, binary}], result = {res, rescode}},
#ejabberd_commands{name = export_piefxis_host, tags = [mnesia],
desc = "Export data of users in a host to PIEFXIS files (XEP-0227)",
module = ejabberd_piefxis, function = export_host,
args_desc = ["Full path to a directory", "Vhost to export"],
args_example = ["/var/lib/ejabberd/", "example.com"],
args = [{dir, binary}, {host, binary}], result = {res, rescode}},
#ejabberd_commands{name = delete_mnesia, tags = [mnesia],
desc = "Delete elements in Mnesia database for a given vhost",
module = ejd2sql, function = delete,
args_desc = ["Vhost which content will be deleted in Mnesia database"],
args_example = ["example.com"],
args = [{host, string}], result = {res, rescode}},
#ejabberd_commands{name = convert_to_scram, tags = [sql],
desc = "Convert the passwords of users to SCRAM",
module = ejabberd_auth, function = convert_to_scram,
args_desc = ["Vhost which users' passwords will be scrammed"],
args_example = ["example.com"],
args = [{host, binary}], result = {res, rescode}},
#ejabberd_commands{name = import_prosody, tags = [mnesia, sql],
desc = "Import data from Prosody",
longdesc = "Note: this requires ejabberd to be "
"[compiled with `--enable-lua`](http://localhost:8098/admin/installation/#configure) "
"(which installs the `luerl` library).",
module = prosody2ejabberd, function = from_dir,
args_desc = ["Full path to the Prosody data directory"],
args_example = ["/var/lib/prosody/datadump/"],
args = [{dir, string}], result = {res, rescode}},
#ejabberd_commands{name = convert_to_yaml, tags = [config],
desc = "Convert the input file from Erlang to YAML format",
module = ?MODULE, function = convert_to_yaml,
args_desc = ["Full path to the original configuration file", "And full path to final file"],
args_example = ["/etc/ejabberd/ejabberd.cfg", "/etc/ejabberd/ejabberd.yml"],
args = [{in, string}, {out, string}],
result = {res, rescode}},
#ejabberd_commands{name = dump_config, tags = [config],
desc = "Dump configuration in YAML format as seen by ejabberd",
module = ?MODULE, function = dump_config,
args_desc = ["Full path to output file"],
args_example = ["/tmp/ejabberd.yml"],
args = [{out, string}],
result = {res, rescode}},
#ejabberd_commands{name = delete_expired_messages, tags = [purge],
desc = "Delete expired offline messages from database",
module = ?MODULE, function = delete_expired_messages,
args = [], result = {res, rescode}},
#ejabberd_commands{name = delete_old_messages, tags = [purge],
desc = "Delete offline messages older than DAYS",
module = ?MODULE, function = delete_old_messages,
args_desc = ["Number of days"],
args_example = [31],
args = [{days, integer}], result = {res, rescode}},
#ejabberd_commands{name = delete_old_messages_batch, tags = [purge],
desc = "Delete offline messages older than DAYS",
note = "added in 22.05",
module = ?MODULE, function = delete_old_messages_batch,
args_desc = ["Name of host where messages should be deleted",
"Days to keep messages",
"Number of messages to delete per batch",
"Desired rate of messages to delete per minute"],
args_example = [<<"localhost">>, 31, 1000, 10000],
args = [{host, binary}, {days, integer}, {batch_size, integer}, {rate, integer}],
result = {res, restuple},
result_desc = "Result tuple",
result_example = {ok, <<"Removal of 5000 messages in progress">>}},
#ejabberd_commands{name = delete_old_messages_status, tags = [purge],
desc = "Status of delete old offline messages operation",
note = "added in 22.05",
module = ?MODULE, function = delete_old_messages_status,
args_desc = ["Name of host where messages should be deleted"],
args_example = [<<"localhost">>],
args = [{host, binary}],
result = {status, string},
result_desc = "Status test",
result_example = "Operation in progress, delete 5000 messages"},
#ejabberd_commands{name = abort_delete_old_messages, tags = [purge],
desc = "Abort currently running delete old offline messages operation",
note = "added in 22.05",
module = ?MODULE, function = delete_old_messages_abort,
args_desc = ["Name of host where operation should be aborted"],
args_example = [<<"localhost">>],
args = [{host, binary}],
result = {status, string},
result_desc = "Status text",
result_example = "Operation aborted"},
#ejabberd_commands{name = export2sql, tags = [mnesia],
desc = "Export virtual host information from Mnesia tables to SQL file",
longdesc = "Configure the modules to use SQL, then call this command. "
"After correctly exported the database of a vhost, "
"you may want to delete from mnesia with "
"the http://./#delete-mnesia[delete_mnesia] command.",
module = ejd2sql, function = export,
args_desc = ["Vhost", "Full path to the destination SQL file"],
args_example = ["example.com", "/var/lib/ejabberd/example.com.sql"],
args = [{host, string}, {file, string}],
result = {res, rescode}},
#ejabberd_commands{name = set_master, tags = [cluster],
desc = "Set master node of the clustered Mnesia tables",
longdesc = "If you provide as nodename `self`, this "
"node will be set as its own master.",
module = ?MODULE, function = set_master,
args_desc = ["Name of the erlang node that will be considered master of this node"],
args_example = ["ejabberd@machine7"],
args = [{nodename, string}], result = {res, restuple}},
#ejabberd_commands{name = mnesia_change_nodename, tags = [mnesia],
desc = "Change the erlang node name in a backup file",
module = ?MODULE, function = mnesia_change_nodename,
args_desc = ["Name of the old erlang node", "Name of the new node",
"Path to old backup file", "Path to the new backup file"],
args_example = ["ejabberd@machine1", "ejabberd@machine2",
"/var/lib/ejabberd/old.backup", "/var/lib/ejabberd/new.backup"],
args = [{oldnodename, string}, {newnodename, string},
{oldbackup, string}, {newbackup, string}],
result = {res, restuple}},
#ejabberd_commands{name = backup, tags = [mnesia],
desc = "Backup the Mnesia database to a binary file",
module = ?MODULE, function = backup_mnesia,
args_desc = ["Full path for the destination backup file"],
args_example = ["/var/lib/ejabberd/database.backup"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = restore, tags = [mnesia],
desc = "Restore the Mnesia database from a binary backup file",
longdesc = "This restores immediately from a "
"binary backup file the internal Mnesia "
"database. This will consume a lot of memory if "
"you have a large database, you may prefer "
"http://./#install-fallback[install_fallback].",
module = ?MODULE, function = restore_mnesia,
args_desc = ["Full path to the backup file"],
args_example = ["/var/lib/ejabberd/database.backup"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = dump, tags = [mnesia],
desc = "Dump the Mnesia database to a text file",
module = ?MODULE, function = dump_mnesia,
args_desc = ["Full path for the text file"],
args_example = ["/var/lib/ejabberd/database.txt"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = dump_table, tags = [mnesia],
desc = "Dump a Mnesia table to a text file",
module = ?MODULE, function = dump_table,
args_desc = ["Full path for the text file", "Table name"],
args_example = ["/var/lib/ejabberd/table-muc-registered.txt", "muc_registered"],
args = [{file, string}, {table, string}], result = {res, restuple}},
#ejabberd_commands{name = load, tags = [mnesia],
desc = "Restore Mnesia database from a text dump file",
longdesc = "Restore immediately. This is not "
"recommended for big databases, as it will "
"consume much time, memory and processor. In "
"that case it's preferable to use "
"http://./#backup[backup] and "
"http://./#install-fallback[install_fallback].",
module = ?MODULE, function = load_mnesia,
args_desc = ["Full path to the text file"],
args_example = ["/var/lib/ejabberd/database.txt"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = mnesia_info, tags = [mnesia],
desc = "Dump info on global Mnesia state",
module = ?MODULE, function = mnesia_info,
args = [], result = {res, string}},
#ejabberd_commands{name = mnesia_table_info, tags = [mnesia],
desc = "Dump info on Mnesia table state",
module = ?MODULE, function = mnesia_table_info,
args_desc = ["Mnesia table name"],
args_example = ["roster"],
args = [{table, string}], result = {res, string}},
#ejabberd_commands{name = install_fallback, tags = [mnesia],
desc = "Install Mnesia database from a binary backup file",
longdesc = "The binary backup file is "
"installed as fallback: it will be used to "
"restore the database at the next ejabberd "
"start. This means that, after running this "
"command, you have to restart ejabberd. This "
"command requires less memory than "
"http://./#restore[restore].",
module = ?MODULE, function = install_fallback_mnesia,
args_desc = ["Full path to the fallback file"],
args_example = ["/var/lib/ejabberd/database.fallback"],
args = [{file, string}], result = {res, restuple}},
#ejabberd_commands{name = clear_cache, tags = [server],
desc = "Clear database cache on all nodes",
module = ?MODULE, function = clear_cache,
args = [], result = {res, rescode}},
#ejabberd_commands{name = gc, tags = [server],
desc = "Force full garbage collection",
note = "added in 20.01",
module = ?MODULE, function = gc,
args = [], result = {res, rescode}},
#ejabberd_commands{name = man, tags = [documentation],
desc = "Generate Unix manpage for current ejabberd version",
note = "added in 20.01",
module = ejabberd_doc, function = man,
args = [], result = {res, restuple}}
].
%%%
%%% Server management
%%%
status() ->
{InternalStatus, ProvidedStatus} = init:get_status(),
String1 = io_lib:format("The node ~p is ~p. Status: ~p",
[node(), InternalStatus, ProvidedStatus]),
{Is_running, String2} =
case lists:keysearch(ejabberd, 1, application:which_applications()) of
false ->
{ejabberd_not_running, "ejabberd is not running in that node."};
{value, {_, _, Version}} ->
{ok, io_lib:format("ejabberd ~s is running in that node", [Version])}
end,
{Is_running, String1 ++ String2}.
stop() ->
_ = supervisor:terminate_child(ejabberd_sup, ejabberd_sm),
timer:sleep(1000),
init:stop().
restart() ->
_ = supervisor:terminate_child(ejabberd_sup, ejabberd_sm),
timer:sleep(1000),
init:restart().
reopen_log() ->
ejabberd_hooks:run(reopen_log_hook, []).
rotate_log() ->
ejabberd_hooks:run(rotate_log_hook, []).
set_loglevel(LogLevel) ->
try binary_to_existing_atom(iolist_to_binary(LogLevel), latin1) of
Level ->
case lists:member(Level, ejabberd_logger:loglevels()) of
true ->
ejabberd_logger:set(Level);
false ->
{error, "Invalid log level"}
end
catch _:_ ->
{error, "Invalid log level"}
end.
%%%
%%% Stop Kindly
%%%
stop_kindly(DelaySeconds, AnnouncementTextString) ->
Subject = (str:format("Server stop in ~p seconds!", [DelaySeconds])),
WaitingDesc = (str:format("Waiting ~p seconds", [DelaySeconds])),
AnnouncementText = list_to_binary(AnnouncementTextString),
Steps = [
{"Stopping ejabberd port listeners",
ejabberd_listener, stop_listeners, []},
{"Sending announcement to connected users",
mod_announce, send_announcement_to_all,
[ejabberd_config:get_myname(), Subject, AnnouncementText]},
{"Sending service message to MUC rooms",
ejabberd_admin, send_service_message_all_mucs,
[Subject, AnnouncementText]},
{WaitingDesc, timer, sleep, [DelaySeconds * 1000]},
{"Stopping ejabberd", application, stop, [ejabberd]},
{"Stopping Mnesia", mnesia, stop, []},
{"Stopping Erlang node", init, stop, []}
],
NumberLast = length(Steps),
TimestampStart = calendar:datetime_to_gregorian_seconds({date(), time()}),
lists:foldl(
fun({Desc, Mod, Func, Args}, NumberThis) ->
SecondsDiff =
calendar:datetime_to_gregorian_seconds({date(), time()})
- TimestampStart,
io:format("[~p/~p ~ps] ~ts... ",
[NumberThis, NumberLast, SecondsDiff, Desc]),
Result = (catch apply(Mod, Func, Args)),
io:format("~p~n", [Result]),
NumberThis+1
end,
1,
Steps),
ok.
send_service_message_all_mucs(Subject, AnnouncementText) ->
Message = str:format("~s~n~s", [Subject, AnnouncementText]),
lists:foreach(
fun(ServerHost) ->
MUCHosts = gen_mod:get_module_opt_hosts(ServerHost, mod_muc),
lists:foreach(
fun(MUCHost) ->
mod_muc:broadcast_service_message(ServerHost, MUCHost, Message)
end, MUCHosts)
end,
ejabberd_option:hosts()).
%%%
%%% ejabberd_update
%%%
update_list() ->
{ok, _Dir, UpdatedBeams, _Script, _LowLevelScript, _Check} =
ejabberd_update:update_info(),
[atom_to_list(Beam) || Beam <- UpdatedBeams].
update("all") ->
[update_module(ModStr) || ModStr <- update_list()],
{ok, []};
update(ModStr) ->
update_module(ModStr).
update_module(ModuleNameBin) when is_binary(ModuleNameBin) ->
update_module(binary_to_list(ModuleNameBin));
update_module(ModuleNameString) ->
ModuleName = list_to_atom(ModuleNameString),
case ejabberd_update:update([ModuleName]) of
{ok, _Res} -> {ok, []};
{error, Reason} -> {error, Reason}
end.
update() ->
io:format("Compiling ejabberd...~n", []),
os:cmd("make"),
Mods = ejabberd_admin:update_list(),
io:format("Updating modules: ~p~n", [Mods]),
ejabberd_admin:update("all"),
io:format("Updated modules: ", []),
Mods -- ejabberd_admin:update_list().
%%%
%%% Account management
%%%
register(User, Host, Password) ->
case is_my_host(Host) of
true ->
case ejabberd_auth:try_register(User, Host, Password) of
ok ->
{ok, io_lib:format("User ~s@~s successfully registered", [User, Host])};
{error, exists} ->
Msg = io_lib:format("User ~s@~s already registered", [User, Host]),
{error, conflict, 10090, Msg};
{error, Reason} ->
String = io_lib:format("Can't register user ~s@~s at node ~p: ~s",
[User, Host, node(),
mod_register:format_error(Reason)]),
{error, cannot_register, 10001, String}
end;
false ->
{error, cannot_register, 10001, "Unknown virtual host"}
end.
unregister(User, Host) ->
case is_my_host(Host) of
true ->
ejabberd_auth:remove_user(User, Host),
{ok, ""};
false ->
{error, "Unknown virtual host"}
end.
registered_users(Host) ->
case is_my_host(Host) of
true ->
Users = ejabberd_auth:get_users(Host),
SUsers = lists:sort(Users),
lists:map(fun({U, _S}) -> U end, SUsers);
false ->
{error, "Unknown virtual host"}
end.
registered_vhosts() ->
ejabberd_option:hosts().
reload_config() ->
case ejabberd_config:reload() of
ok -> ok;
Err ->
Reason = ejabberd_config:format_error(Err),
{error, Reason}
end.
dump_config(Path) ->
case ejabberd_config:dump(Path) of
ok -> ok;
Err ->
Reason = ejabberd_config:format_error(Err),
{error, Reason}
end.
convert_to_yaml(In, Out) ->
case ejabberd_config:convert_to_yaml(In, Out) of
ok -> {ok, ""};
Err ->
Reason = ejabberd_config:format_error(Err),
{error, Reason}
end.
%%%
%%% Cluster management
%%%
join_cluster(NodeBin) ->
ejabberd_cluster:join(list_to_atom(binary_to_list(NodeBin))).
leave_cluster(NodeBin) ->
ejabberd_cluster:leave(list_to_atom(binary_to_list(NodeBin))).
list_cluster() ->
ejabberd_cluster:get_nodes().
%%%
%%% Migration management
%%%
import_file(Path) ->
case jd2ejd:import_file(Path) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't import jabberd14 spool file ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_import_file, String}
end.
import_dir(Path) ->
case jd2ejd:import_dir(Path) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't import jabberd14 spool dir ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_import_dir, String}
end.
%%%
%%% Purge DB
%%%
delete_expired_messages() ->
lists:foreach(
fun(Host) ->
{atomic, ok} = mod_offline:remove_expired_messages(Host)
end, ejabberd_option:hosts()).
delete_old_messages(Days) ->
lists:foreach(
fun(Host) ->
{atomic, _} = mod_offline:remove_old_messages(Days, Host)
end, ejabberd_option:hosts()).
delete_old_messages_batch(Server, Days, BatchSize, Rate) ->
LServer = jid:nameprep(Server),
Mod = gen_mod:db_mod(LServer, mod_offline),
case ejabberd_batch:register_task({spool, LServer}, 0, Rate, {LServer, Days, BatchSize, none},
fun({L, Da, B, IS} = S) ->
case {erlang:function_exported(Mod, remove_old_messages_batch, 3),
erlang:function_exported(Mod, remove_old_messages_batch, 4)} of
{true, _} ->
case Mod:remove_old_messages_batch(L, Da, B) of
{ok, Count} ->
{ok, S, Count};
{error, _} = E ->
E
end;
{_, true} ->
case Mod:remove_old_messages_batch(L, Da, B, IS) of
{ok, IS2, Count} ->
{ok, {L, Da, B, IS2}, Count};
{error, _} = E ->
E
end;
_ ->
{error, not_implemented_for_backend}
end
end) of
ok ->
{ok, ""};
{error, in_progress} ->
{error, "Operation in progress"}
end.
delete_old_messages_status(Server) ->
LServer = jid:nameprep(Server),
Msg = case ejabberd_batch:task_status({spool, LServer}) of
not_started ->
"Operation not started";
{failed, Steps, Error} ->
io_lib:format("Operation failed after deleting ~p messages with error ~p",
[Steps, misc:format_val(Error)]);
{aborted, Steps} ->
io_lib:format("Operation was aborted after deleting ~p messages",
[Steps]);
{working, Steps} ->
io_lib:format("Operation in progress, deleted ~p messages",
[Steps]);
{completed, Steps} ->
io_lib:format("Operation was completed after deleting ~p messages",
[Steps])
end,
lists:flatten(Msg).
delete_old_messages_abort(Server) ->
LServer = jid:nameprep(Server),
case ejabberd_batch:abort_task({spool, LServer}) of
aborted -> "Operation aborted";
not_started -> "No task running"
end.
%%%
%%% Mnesia management
%%%
set_master("self") ->
set_master(node());
set_master(NodeString) when is_list(NodeString) ->
set_master(list_to_atom(NodeString));
set_master(Node) when is_atom(Node) ->
case mnesia:set_master_nodes([Node]) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't set master node ~p at node ~p:~n~p",
[Node, node(), Reason]),
{error, String}
end.
backup_mnesia(Path) ->
case mnesia:backup(Path) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't store backup in ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_backup, String}
end.
restore_mnesia(Path) ->
case ejabberd_admin:restore(Path) of
{atomic, _} ->
{ok, ""};
{aborted,{no_exists,Table}} ->
String = io_lib:format("Can't restore backup from ~p at node ~p: Table ~p does not exist.",
[filename:absname(Path), node(), Table]),
{table_not_exists, String};
{aborted,enoent} ->
String = io_lib:format("Can't restore backup from ~p at node ~p: File not found.",
[filename:absname(Path), node()]),
{file_not_found, String}
end.
%% Mnesia database restore
%% This function is called from ejabberd_ctl, ejabberd_web_admin and
%% mod_configure/adhoc
restore(Path) ->
mnesia:restore(Path, [{keep_tables,keep_tables()},
{default_op, skip_tables}]).
%% This function return a list of tables that should be kept from a previous
%% version backup.
%% Obsolete tables or tables created by module who are no longer used are not
%% restored and are ignored.
keep_tables() ->
lists:flatten([acl, passwd, config,
keep_modules_tables()]).
%% Returns the list of modules tables in use, according to the list of actually
%% loaded modules
keep_modules_tables() ->
lists:map(fun(Module) -> module_tables(Module) end,
gen_mod:loaded_modules(ejabberd_config:get_myname())).
%% TODO: This mapping should probably be moved to a callback function in each
%% module.
%% Mapping between modules and their tables
module_tables(mod_announce) -> [motd, motd_users];
module_tables(mod_last) -> [last_activity];
module_tables(mod_muc) -> [muc_room, muc_registered];
module_tables(mod_offline) -> [offline_msg];
module_tables(mod_privacy) -> [privacy];
module_tables(mod_private) -> [private_storage];
module_tables(mod_pubsub) -> [pubsub_node];
module_tables(mod_roster) -> [roster];
module_tables(mod_shared_roster) -> [sr_group, sr_user];
module_tables(mod_vcard) -> [vcard, vcard_search];
module_tables(_Other) -> [].
get_local_tables() ->
Tabs1 = lists:delete(schema, mnesia:system_info(local_tables)),
Tabs = lists:filter(
fun(T) ->
case mnesia:table_info(T, storage_type) of
disc_copies -> true;
disc_only_copies -> true;
_ -> false
end
end, Tabs1),
Tabs.
dump_mnesia(Path) ->
Tabs = get_local_tables(),
dump_tables(Path, Tabs).
dump_table(Path, STable) ->
Table = list_to_atom(STable),
dump_tables(Path, [Table]).
dump_tables(Path, Tables) ->
case dump_to_textfile(Path, Tables) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't store dump in ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_dump, String}
end.
dump_to_textfile(File) ->
Tabs = get_local_tables(),
dump_to_textfile(File, Tabs).
dump_to_textfile(File, Tabs) ->
dump_to_textfile(mnesia:system_info(is_running), Tabs, file:open(File, [write])).
dump_to_textfile(yes, Tabs, {ok, F}) ->
Defs = lists:map(
fun(T) -> {T, [{record_name, mnesia:table_info(T, record_name)},
{attributes, mnesia:table_info(T, attributes)}]}
end,
Tabs),
io:format(F, "~p.~n", [{tables, Defs}]),
lists:foreach(fun(T) -> dump_tab(F, T) end, Tabs),
file:close(F);
dump_to_textfile(_, _, {ok, F}) ->
file:close(F),
{error, mnesia_not_running};
dump_to_textfile(_, _, {error, Reason}) ->
{error, Reason}.
dump_tab(F, T) ->
W = mnesia:table_info(T, wild_pattern),
{atomic,All} = mnesia:transaction(
fun() -> mnesia:match_object(T, W, read) end),
lists:foreach(
fun(Term) -> io:format(F,"~p.~n", [setelement(1, Term, T)]) end, All).
load_mnesia(Path) ->
case mnesia:load_textfile(Path) of
{atomic, ok} ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't load dump in ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_load, String}
end.
mnesia_info() ->
lists:flatten(io_lib:format("~p", [mnesia:system_info(all)])).
mnesia_table_info(Table) ->
ATable = list_to_atom(Table),
lists:flatten(io_lib:format("~p", [mnesia:table_info(ATable, all)])).
install_fallback_mnesia(Path) ->
case mnesia:install_fallback(Path) of
ok ->
{ok, ""};
{error, Reason} ->
String = io_lib:format("Can't install fallback from ~p at node ~p: ~p",
[filename:absname(Path), node(), Reason]),
{cannot_fallback, String}
end.
mnesia_change_nodename(FromString, ToString, Source, Target) ->
From = list_to_atom(FromString),
To = list_to_atom(ToString),
Switch =
fun
(Node) when Node == From ->
io:format(" - Replacing nodename: '~p' with: '~p'~n", [From, To]),
To;
(Node) when Node == To ->
%% throw({error, already_exists});
io:format(" - Node: '~p' will not be modified (it is already '~p')~n", [Node, To]),
Node;
(Node) ->
io:format(" - Node: '~p' will not be modified (it is not '~p')~n", [Node, From]),
Node
end,
Convert =
fun
({schema, db_nodes, Nodes}, Acc) ->
io:format(" +++ db_nodes ~p~n", [Nodes]),
{[{schema, db_nodes, lists:map(Switch,Nodes)}], Acc};
({schema, version, Version}, Acc) ->
io:format(" +++ version: ~p~n", [Version]),
{[{schema, version, Version}], Acc};
({schema, cookie, Cookie}, Acc) ->
io:format(" +++ cookie: ~p~n", [Cookie]),
{[{schema, cookie, Cookie}], Acc};
({schema, Tab, CreateList}, Acc) ->
io:format("~n * Checking table: '~p'~n", [Tab]),
Keys = [ram_copies, disc_copies, disc_only_copies],
OptSwitch =
fun({Key, Val}) ->
case lists:member(Key, Keys) of
true ->
io:format(" + Checking key: '~p'~n", [Key]),
{Key, lists:map(Switch, Val)};
false-> {Key, Val}
end
end,
Res = {[{schema, Tab, lists:map(OptSwitch, CreateList)}], Acc},
Res;
(Other, Acc) ->
{[Other], Acc}
end,
mnesia:traverse_backup(Source, Target, Convert, switched).
clear_cache() ->
Nodes = ejabberd_cluster:get_nodes(),
lists:foreach(fun(T) -> ets_cache:clear(T, Nodes) end, ets_cache:all()).
gc() ->
lists:foreach(fun erlang:garbage_collect/1, processes()).
-spec is_my_host(binary()) -> boolean().
is_my_host(Host) ->
try ejabberd_router:is_my_host(Host)
catch _:{invalid_domain, _} -> false
end.
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