plugins/mod_admin_adhoc.lua

   1 -- Copyright (C) 2009-2011 Florian Zeitz
   2 --
   3 -- This file is MIT/X11 licensed. Please see the
   4 -- COPYING file in the source package for more information.
   5 --
   6
   7 local _G = _G;
   8
   9 local prosody = _G.prosody;
  10 local hosts = prosody.hosts;
  11 local t_concat = table.concat;
  12
  13 local iterators = require "util.iterators";
  14 local keys, values = iterators.keys, iterators.values;
  15 local usermanager_user_exists = require "core.usermanager".user_exists;
  16 local usermanager_create_user = require "core.usermanager".create_user;
  17 local usermanager_delete_user = require "core.usermanager".delete_user;
  18 local usermanager_get_password = require "core.usermanager".get_password;
  19 local usermanager_set_password = require "core.usermanager".set_password;
  20 local hostmanager_activate = require "core.hostmanager".activate;
  21 local hostmanager_deactivate = require "core.hostmanager".deactivate;
  22 local is_admin = require "core.usermanager".is_admin;
  23 local rm_load_roster = require "core.rostermanager".load_roster;
  24 local st, jid, uuid = require "util.stanza", require "util.jid", require "util.uuid";
  25 local timer_add_task = require "util.timer".add_task;
  26 local dataforms_new = require "util.dataforms".new;
  27 local array = require "util.array";
  28 local modulemanager = require "modulemanager";
  29 local core_post_stanza = prosody.core_post_stanza;
  30
  31 module:depends("adhoc");
  32 local adhoc_new = module:require "adhoc".new;
  33
  34 local function generate_error_message(errors)
  35         local errmsg = {};
  36         for name, err in pairs(errors) do
  37                 errmsg[#errmsg + 1] = name .. ": " .. err;
  38         end
  39         return { status = "completed", error = { message = t_concat(errmsg, "\n") } };
  40 end
  41
  42 function add_user_command_handler(self, data, state)
  43         local add_user_layout = dataforms_new{
  44                 title = "Adding a User";
  45                 instructions = "Fill out this form to add a user.";
  46
  47                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
  48                 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for the account to be added" };
  49                 { name = "password", type = "text-private", label = "The password for this account" };
  50                 { name = "password-verify", type = "text-private", label = "Retype password" };
  51         };
  52
  53         if state then
  54                 if data.action == "cancel" then
  55                         return { status = "canceled" };
  56                 end
  57                 local fields, err = add_user_layout:data(data.form);
  58                 if err then
  59                         return generate_error_message(err);
  60                 end
  61                 local username, host, resource = jid.split(fields.accountjid);
  62                 if data.to ~= host then
  63                         return { status = "completed", error = { message = "Trying to add a user on " .. host .. " but command was sent to " .. data.to}};
  64                 end
  65                 if (fields["password"] == fields["password-verify"]) and username and host then
  66                         if usermanager_user_exists(username, host) then
  67                                 return { status = "completed", error = { message = "Account already exists" } };
  68                         else
  69                                 if usermanager_create_user(username, fields.password, host) then
  70                                         module:log("info", "Created new account %s@%s", username, host);
  71                                         return { status = "completed", info = "Account successfully created" };
  72                                 else
  73                                         return { status = "completed", error = { message = "Failed to write data to disk" } };
  74                                 end
  75                         end
  76                 else
  77                         module:log("debug", "Invalid data, password mismatch or empty username while creating account for %s", fields.accountjid or "<nil>");
  78                         return { status = "completed", error = { message = "Invalid data.\nPassword mismatch, or empty username" } };
  79                 end
  80         else
  81                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = add_user_layout }, "executing";
  82         end
  83 end
  84
  85 function change_user_password_command_handler(self, data, state)
  86         local change_user_password_layout = dataforms_new{
  87                 title = "Changing a User Password";
  88                 instructions = "Fill out this form to change a user's password.";
  89
  90                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
  91                 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for this account" };
  92                 { name = "password", type = "text-private", required = true, label = "The password for this account" };
  93         };
  94
  95         if state then
  96                 if data.action == "cancel" then
  97                         return { status = "canceled" };
  98                 end
  99                 local fields, err = change_user_password_layout:data(data.form);
 100                 if err then
 101                         return generate_error_message(err);
 102                 end
 103                 local username, host, resource = jid.split(fields.accountjid);
 104                 if data.to ~= host then
 105                         return { status = "completed", error = { message = "Trying to change the password of a user on " .. host .. " but command was sent to " .. data.to}};
 106                 end
 107                 if usermanager_user_exists(username, host) and usermanager_set_password(username, fields.password, host) then
 108                         return { status = "completed", info = "Password successfully changed" };
 109                 else
 110                         return { status = "completed", error = { message = "User does not exist" } };
 111                 end
 112         else
 113                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = change_user_password_layout }, "executing";
 114         end
 115 end
 116
 117 function config_reload_handler(self, data, state)
 118         local ok, err = prosody.reload_config();
 119         if ok then
 120                 return { status = "completed", info = "Configuration reloaded (modules may need to be reloaded for this to have an effect)" };
 121         else
 122                 return { status = "completed", error = { message = "Failed to reload config: " .. tostring(err) } };
 123         end
 124 end
 125
 126
 127 function delete_user_command_handler(self, data, state)
 128         local delete_user_layout = dataforms_new{
 129                 title = "Deleting a User";
 130                 instructions = "Fill out this form to delete a user.";
 131
 132                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 133                 { name = "accountjids", type = "jid-multi", label = "The Jabber ID(s) to delete" };
 134         };
 135
 136         if state then
 137                 if data.action == "cancel" then
 138                         return { status = "canceled" };
 139                 end
 140                 local fields, err = delete_user_layout:data(data.form);
 141                 if err then
 142                         return generate_error_message(err);
 143                 end
 144                 local failed = {};
 145                 local succeeded = {};
 146                 for _, aJID in ipairs(fields.accountjids) do
 147                         local username, host, resource = jid.split(aJID);
 148                         if (host == data.to) and  usermanager_user_exists(username, host) and usermanager_delete_user(username, host) then
 149                                 module:log("debug", "User %s has been deleted", aJID);
 150                                 succeeded[#succeeded+1] = aJID;
 151                         else
 152                                 module:log("debug", "Tried to delete non-existant user %s", aJID);
 153                                 failed[#failed+1] = aJID;
 154                         end
 155                 end
 156                 return {status = "completed", info = (#succeeded ~= 0 and
 157                                 "The following accounts were successfully deleted:\n"..t_concat(succeeded, "\n").."\n" or "")..
 158                                 (#failed ~= 0 and
 159                                 "The following accounts could not be deleted:\n"..t_concat(failed, "\n") or "") };
 160         else
 161                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = delete_user_layout }, "executing";
 162         end
 163 end
 164
 165 function disconnect_user(match_jid)
 166         local node, hostname, givenResource = jid.split(match_jid);
 167         local host = hosts[hostname];
 168         local sessions = host.sessions[node] and host.sessions[node].sessions;
 169         for resource, session in pairs(sessions or {}) do
 170                 if not givenResource or (resource == givenResource) then
 171                         module:log("debug", "Disconnecting %s@%s/%s", node, hostname, resource);
 172                         session:close();
 173                 end
 174         end
 175         return true;
 176 end
 177
 178 function end_user_session_handler(self, data, state)
 179         local end_user_session_layout = dataforms_new{
 180                 title = "Ending a User Session";
 181                 instructions = "Fill out this form to end a user's session.";
 182
 183                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 184                 { name = "accountjids", type = "jid-multi", label = "The Jabber ID(s) for which to end sessions" };
 185         };
 186
 187         if state then
 188                 if data.action == "cancel" then
 189                         return { status = "canceled" };
 190                 end
 191
 192                 local fields, err = end_user_session_layout:data(data.form);
 193                 if err then
 194                         return generate_error_message(err);
 195                 end
 196                 local failed = {};
 197                 local succeeded = {};
 198                 for _, aJID in ipairs(fields.accountjids) do
 199                         local username, host, resource = jid.split(aJID);
 200                         if (host == data.to) and  usermanager_user_exists(username, host) and disconnect_user(aJID) then
 201                                 succeeded[#succeeded+1] = aJID;
 202                         else
 203                                 failed[#failed+1] = aJID;
 204                         end
 205                 end
 206                 return {status = "completed", info = (#succeeded ~= 0 and
 207                                 "The following accounts were successfully disconnected:\n"..t_concat(succeeded, "\n").."\n" or "")..
 208                                 (#failed ~= 0 and
 209                                 "The following accounts could not be disconnected:\n"..t_concat(failed, "\n") or "") };
 210         else
 211                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = end_user_session_layout }, "executing";
 212         end
 213 end
 214
 215 local end_user_session_layout = dataforms_new{
 216         title = "Ending a User Session";
 217         instructions = "Fill out this form to end a user's session.";
 218
 219         { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 220         { name = "accountjids", type = "jid-multi", label = "The Jabber ID(s) for which to end sessions" };
 221 };
 222
 223
 224 function get_user_password_handler(self, data, state)
 225         local get_user_password_layout = dataforms_new{
 226                 title = "Getting User's Password";
 227                 instructions = "Fill out this form to get a user's password.";
 228
 229                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 230                 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for which to retrieve the password" };
 231         };
 232
 233         local get_user_password_result_layout = dataforms_new{
 234                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 235                 { name = "accountjid", type = "jid-single", label = "JID" };
 236                 { name = "password", type = "text-single", label = "Password" };
 237         };
 238
 239         if state then
 240                 if data.action == "cancel" then
 241                         return { status = "canceled" };
 242                 end
 243                 local fields, err = get_user_password_layout:data(data.form);
 244                 if err then
 245                         return generate_error_message(err);
 246                 end
 247                 local user, host, resource = jid.split(fields.accountjid);
 248                 local accountjid = "";
 249                 local password = "";
 250                 if host ~= data.to then
 251                         return { status = "completed", error = { message = "Tried to get password for a user on " .. host .. " but command was sent to " .. data.to } };
 252                 elseif usermanager_user_exists(user, host) then
 253                         accountjid = fields.accountjid;
 254                         password = usermanager_get_password(user, host);
 255                 else
 256                         return { status = "completed", error = { message = "User does not exist" } };
 257                 end
 258                 return { status = "completed", result = { layout = get_user_password_result_layout, values = {accountjid = accountjid, password = password} } };
 259         else
 260                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = get_user_password_layout }, "executing";
 261         end
 262 end
 263
 264 function get_user_roster_handler(self, data, state)
 265         local get_user_roster_layout = dataforms_new{
 266                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 267                 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for which to retrieve the roster" };
 268         };
 269
 270         local get_user_roster_result_layout = dataforms_new{
 271                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 272                 { name = "accountjid", type = "jid-single", label = "This is the roster for" };
 273                 { name = "roster", type = "text-multi", label = "Roster XML" };
 274         };
 275
 276         if state then
 277                 if data.action == "cancel" then
 278                         return { status = "canceled" };
 279                 end
 280
 281                 local fields, err = get_user_roster_layout:data(data.form);
 282
 283                 if err then
 284                         return generate_error_message(err);
 285                 end
 286
 287                 local user, host, resource = jid.split(fields.accountjid);
 288                 if host ~= data.to then
 289                         return { status = "completed", error = { message = "Tried to get roster for a user on " .. host .. " but command was sent to " .. data.to } };
 290                 elseif not usermanager_user_exists(user, host) then
 291                         return { status = "completed", error = { message = "User does not exist" } };
 292                 end
 293                 local roster = rm_load_roster(user, host);
 294
 295                 local query = st.stanza("query", { xmlns = "jabber:iq:roster" });
 296                 for jid in pairs(roster) do
 297                         if jid ~= "pending" and jid then
 298                                 query:tag("item", {
 299                                         jid = jid,
 300                                         subscription = roster[jid].subscription,
 301                                         ask = roster[jid].ask,
 302                                         name = roster[jid].name,
 303                                 });
 304                                 for group in pairs(roster[jid].groups) do
 305                                         query:tag("group"):text(group):up();
 306                                 end
 307                                 query:up();
 308                         end
 309                 end
 310
 311                 local query_text = query:__tostring(); -- TODO: Use upcoming pretty_print() function
 312                 query_text = query_text:gsub("><", ">\n<");
 313
 314                 local result = get_user_roster_result_layout:form({ accountjid = user.."@"..host, roster = query_text }, "result");
 315                 result:add_child(query);
 316                 return { status = "completed", other = result };
 317         else
 318                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = get_user_roster_layout }, "executing";
 319         end
 320 end
 321
 322 function get_user_stats_handler(self, data, state)
 323         local get_user_stats_layout = dataforms_new{
 324                 title = "Get User Statistics";
 325                 instructions = "Fill out this form to gather user statistics.";
 326
 327                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 328                 { name = "accountjid", type = "jid-single", required = true, label = "The Jabber ID for statistics" };
 329         };
 330
 331         local get_user_stats_result_layout = dataforms_new{
 332                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 333                 { name = "ipaddresses", type = "text-multi", label = "IP Addresses" };
 334                 { name = "rostersize", type = "text-single", label = "Roster size" };
 335                 { name = "onlineresources", type = "text-multi", label = "Online Resources" };
 336         };
 337
 338         if state then
 339                 if data.action == "cancel" then
 340                         return { status = "canceled" };
 341                 end
 342
 343                 local fields, err = get_user_stats_layout:data(data.form);
 344
 345                 if err then
 346                         return generate_error_message(err);
 347                 end
 348
 349                 local user, host, resource = jid.split(fields.accountjid);
 350                 if host ~= data.to then
 351                         return { status = "completed", error = { message = "Tried to get stats for a user on " .. host .. " but command was sent to " .. data.to } };
 352                 elseif not usermanager_user_exists(user, host) then
 353                         return { status = "completed", error = { message = "User does not exist" } };
 354                 end
 355                 local roster = rm_load_roster(user, host);
 356                 local rostersize = 0;
 357                 local IPs = "";
 358                 local resources = "";
 359                 for jid in pairs(roster) do
 360                         if jid ~= "pending" and jid then
 361                                 rostersize = rostersize + 1;
 362                         end
 363                 end
 364                 for resource, session in pairs((hosts[host].sessions[user] and hosts[host].sessions[user].sessions) or {}) do
 365                         resources = resources .. "\n" .. resource;
 366                         IPs = IPs .. "\n" .. session.ip;
 367                 end
 368                 return { status = "completed", result = {layout = get_user_stats_result_layout, values = {ipaddresses = IPs, rostersize = tostring(rostersize),
 369                         onlineresources = resources}} };
 370         else
 371                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = get_user_stats_layout }, "executing";
 372         end
 373 end
 374
 375 function get_online_users_command_handler(self, data, state)
 376         local get_online_users_layout = dataforms_new{
 377                 title = "Getting List of Online Users";
 378                 instructions = "How many users should be returned at most?";
 379
 380                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 381                 { name = "max_items", type = "list-single", label = "Maximum number of users",
 382                         value = { "25", "50", "75", "100", "150", "200", "all" } };
 383                 { name = "details", type = "boolean", label = "Show details" };
 384         };
 385
 386         local get_online_users_result_layout = dataforms_new{
 387                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 388                 { name = "onlineuserjids", type = "text-multi", label = "The list of all online users" };
 389         };
 390
 391         if state then
 392                 if data.action == "cancel" then
 393                         return { status = "canceled" };
 394                 end
 395
 396                 local fields, err = get_online_users_layout:data(data.form);
 397
 398                 if err then
 399                         return generate_error_message(err);
 400                 end
 401
 402                 local max_items = nil
 403                 if fields.max_items ~= "all" then
 404                         max_items = tonumber(fields.max_items);
 405                 end
 406                 local count = 0;
 407                 local users = {};
 408                 for username, user in pairs(hosts[data.to].sessions or {}) do
 409                         if (max_items ~= nil) and (count >= max_items) then
 410                                 break;
 411                         end
 412                         users[#users+1] = username.."@"..data.to;
 413                         count = count + 1;
 414                         if fields.details then
 415                                 for resource, session in pairs(user.sessions or {}) do
 416                                         local status, priority = "unavailable", tostring(session.priority or "-");
 417                                         if session.presence then
 418                                                 status = session.presence:child_with_name("show");
 419                                                 if status then
 420                                                         status = status:get_text() or "[invalid!]";
 421                                                 else
 422                                                         status = "available";
 423                                                 end
 424                                         end
 425                                         users[#users+1] = " - "..resource..": "..status.."("..priority..")";
 426                                 end
 427                         end
 428                 end
 429                 return { status = "completed", result = {layout = get_online_users_result_layout, values = {onlineuserjids=t_concat(users, "\n")}} };
 430         else
 431                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = get_online_users_layout }, "executing";
 432         end
 433 end
 434
 435 function list_modules_handler(self, data, state)
 436         local result = dataforms_new {
 437                 title = "List of loaded modules";
 438
 439                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/modules#list" };
 440                 { name = "modules", type = "text-multi", label = "The following modules are loaded:" };
 441         };
 442
 443         local modules = array.collect(keys(hosts[data.to].modules)):sort():concat("\n");
 444
 445         return { status = "completed", result = { layout = result; values = { modules = modules } } };
 446 end
 447
 448 function load_module_handler(self, data, state)
 449         local layout = dataforms_new {
 450                 title = "Load module";
 451                 instructions = "Specify the module to be loaded";
 452
 453                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/modules#load" };
 454                 { name = "module", type = "text-single", required = true, label = "Module to be loaded:"};
 455         };
 456         if state then
 457                 if data.action == "cancel" then
 458                         return { status = "canceled" };
 459                 end
 460                 local fields, err = layout:data(data.form);
 461                 if err then
 462                         return generate_error_message(err);
 463                 end
 464                 if modulemanager.is_loaded(data.to, fields.module) then
 465                         return { status = "completed", info = "Module already loaded" };
 466                 end
 467                 local ok, err = modulemanager.load(data.to, fields.module);
 468                 if ok then
 469                         return { status = "completed", info = 'Module "'..fields.module..'" successfully loaded on host "'..data.to..'".' };
 470                 else
 471                         return { status = "completed", error = { message = 'Failed to load module "'..fields.module..'" on host "'..data.to..
 472                         '". Error was: "'..tostring(err or "<unspecified>")..'"' } };
 473                 end
 474         else
 475                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = layout }, "executing";
 476         end
 477 end
 478
 479 function reload_modules_handler(self, data, state)
 480         local layout = dataforms_new {
 481                 title = "Reload modules";
 482                 instructions = "Select the modules to be reloaded";
 483
 484                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/modules#reload" };
 485                 { name = "modules", type = "list-multi", required = true, label = "Modules to be reloaded:"};
 486         };
 487         if state then
 488                 if data.action == "cancel" then
 489                         return { status = "canceled" };
 490                 end
 491                 local fields, err = layout:data(data.form);
 492                 if err then
 493                         return generate_error_message(err);
 494                 end
 495                 local ok_list, err_list = {}, {};
 496                 for _, module in ipairs(fields.modules) do
 497                         local ok, err = modulemanager.reload(data.to, module);
 498                         if ok then
 499                                 ok_list[#ok_list + 1] = module;
 500                         else
 501                                 err_list[#err_list + 1] = module .. "(Error: " .. tostring(err) .. ")";
 502                         end
 503                 end
 504                 local info = (#ok_list > 0 and ("The following modules were successfully reloaded on host "..data.to..":\n"..t_concat(ok_list, "\n")) or "")..
 505                         (#err_list > 0 and ("Failed to reload the following modules on host "..data.to..":\n"..t_concat(err_list, "\n")) or "");
 506                 return { status = "completed", info = info };
 507         else
 508                 local modules = array.collect(keys(hosts[data.to].modules)):sort();
 509                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = layout; values = { modules = modules } } }, "executing";
 510         end
 511 end
 512
 513 function send_to_online(message, server)
 514         if server then
 515                 sessions = { [server] = hosts[server] };
 516         else
 517                 sessions = hosts;
 518         end
 519
 520         local c = 0;
 521         for domain, session in pairs(sessions) do
 522                 for user in pairs(session.sessions or {}) do
 523                         c = c + 1;
 524                         message.attr.from = domain;
 525                         message.attr.to = user.."@"..domain;
 526                         core_post_stanza(session, message);
 527                 end
 528         end
 529
 530         return c;
 531 end
 532
 533 function shut_down_service_handler(self, data, state)
 534         local shut_down_service_layout = dataforms_new{
 535                 title = "Shutting Down the Service";
 536                 instructions = "Fill out this form to shut down the service.";
 537
 538                 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
 539                 { name = "delay", type = "list-single", label = "Time delay before shutting down",
 540                         value = { {label = "30 seconds", value = "30"},
 541                                   {label = "60 seconds", value = "60"},
 542                                   {label = "90 seconds", value = "90"},
 543                                   {label = "2 minutes", value = "120"},
 544                                   {label = "3 minutes", value = "180"},
 545                                   {label = "4 minutes", value = "240"},
 546                                   {label = "5 minutes", value = "300"},
 547                         };
 548                 };
 549                 { name = "announcement", type = "text-multi", label = "Announcement" };
 550         };
 551
 552         if state then
 553                 if data.action == "cancel" then
 554                         return { status = "canceled" };
 555                 end
 556
 557                 local fields, err = shut_down_service_layout:data(data.form);
 558
 559                 if err then
 560                         return generate_error_message(err);
 561                 end
 562
 563                 if fields.announcement and #fields.announcement > 0 then
 564                         local message = st.message({type = "headline"}, fields.announcement):up()
 565                                 :tag("subject"):text("Server is shutting down");
 566                         send_to_online(message);
 567                 end
 568
 569                 timer_add_task(tonumber(fields.delay or "5"), prosody.shutdown);
 570
 571                 return { status = "completed", info = "Server is about to shut down" };
 572         else
 573                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = shut_down_service_layout }, "executing";
 574         end
 575 end
 576
 577 function unload_modules_handler(self, data, state)
 578         local layout = dataforms_new {
 579                 title = "Unload modules";
 580                 instructions = "Select the modules to be unloaded";
 581
 582                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/modules#unload" };
 583                 { name = "modules", type = "list-multi", required = true, label = "Modules to be unloaded:"};
 584         };
 585         if state then
 586                 if data.action == "cancel" then
 587                         return { status = "canceled" };
 588                 end
 589                 local fields, err = layout:data(data.form);
 590                 if err then
 591                         return generate_error_message(err);
 592                 end
 593                 local ok_list, err_list = {}, {};
 594                 for _, module in ipairs(fields.modules) do
 595                         local ok, err = modulemanager.unload(data.to, module);
 596                         if ok then
 597                                 ok_list[#ok_list + 1] = module;
 598                         else
 599                                 err_list[#err_list + 1] = module .. "(Error: " .. tostring(err) .. ")";
 600                         end
 601                 end
 602                 local info = (#ok_list > 0 and ("The following modules were successfully unloaded on host "..data.to..":\n"..t_concat(ok_list, "\n")) or "")..
 603                         (#err_list > 0 and ("Failed to unload the following modules on host "..data.to..":\n"..t_concat(err_list, "\n")) or "");
 604                 return { status = "completed", info = info };
 605         else
 606                 local modules = array.collect(keys(hosts[data.to].modules)):sort();
 607                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = layout; values = { modules = modules } } }, "executing";
 608         end
 609 end
 610
 611 function activate_host_handler(self, data, state)
 612         local layout = dataforms_new {
 613                 title = "Activate host";
 614                 instructions = "";
 615
 616                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/hosts#activate" };
 617                 { name = "host", type = "text-single", required = true, label = "Host:"};
 618         };
 619         if state then
 620                 if data.action == "cancel" then
 621                         return { status = "canceled" };
 622                 end
 623                 local fields, err = layout:data(data.form);
 624                 if err then
 625                         return generate_error_message(err);
 626                 end
 627                 local ok, err = hostmanager_activate(fields.host);
 628
 629                 if ok then
 630                         return { status = "completed", info = fields.host .. " activated" };
 631                 else
 632                         return { status = "canceled", error = err }
 633                 end
 634         else
 635                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = layout } }, "executing";
 636         end
 637 end
 638
 639 function deactivate_host_handler(self, data, state)
 640         local layout = dataforms_new {
 641                 title = "Deactivate host";
 642                 instructions = "";
 643
 644                 { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/hosts#activate" };
 645                 { name = "host", type = "text-single", required = true, label = "Host:"};
 646         };
 647         if state then
 648                 if data.action == "cancel" then
 649                         return { status = "canceled" };
 650                 end
 651                 local fields, err = layout:data(data.form);
 652                 if err then
 653                         return generate_error_message(err);
 654                 end
 655                 local ok, err = hostmanager_deactivate(fields.host);
 656
 657                 if ok then
 658                         return { status = "completed", info = fields.host .. " deactivated" };
 659                 else
 660                         return { status = "canceled", error = err }
 661                 end
 662         else
 663                 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = layout } }, "executing";
 664         end
 665 end
 666
 667
 668 local add_user_desc = adhoc_new("Add User", "http://jabber.org/protocol/admin#add-user", add_user_command_handler, "admin");
 669 local change_user_password_desc = adhoc_new("Change User Password", "http://jabber.org/protocol/admin#change-user-password", change_user_password_command_handler, "admin");
 670 local config_reload_desc = adhoc_new("Reload configuration", "http://prosody.im/protocol/config#reload", config_reload_handler, "global_admin");
 671 local delete_user_desc = adhoc_new("Delete User", "http://jabber.org/protocol/admin#delete-user", delete_user_command_handler, "admin");
 672 local end_user_session_desc = adhoc_new("End User Session", "http://jabber.org/protocol/admin#end-user-session", end_user_session_handler, "admin");
 673 local get_user_password_desc = adhoc_new("Get User Password", "http://jabber.org/protocol/admin#get-user-password", get_user_password_handler, "admin");
 674 local get_user_roster_desc = adhoc_new("Get User Roster","http://jabber.org/protocol/admin#get-user-roster", get_user_roster_handler, "admin");
 675 local get_user_stats_desc = adhoc_new("Get User Statistics","http://jabber.org/protocol/admin#user-stats", get_user_stats_handler, "admin");
 676 local get_online_users_desc = adhoc_new("Get List of Online Users", "http://jabber.org/protocol/admin#get-online-users", get_online_users_command_handler, "admin");
 677 local list_modules_desc = adhoc_new("List loaded modules", "http://prosody.im/protocol/modules#list", list_modules_handler, "admin");
 678 local load_module_desc = adhoc_new("Load module", "http://prosody.im/protocol/modules#load", load_module_handler, "admin");
 679 local reload_modules_desc = adhoc_new("Reload modules", "http://prosody.im/protocol/modules#reload", reload_modules_handler, "admin");
 680 local shut_down_service_desc = adhoc_new("Shut Down Service", "http://jabber.org/protocol/admin#shutdown", shut_down_service_handler, "global_admin");
 681 local unload_modules_desc = adhoc_new("Unload modules", "http://prosody.im/protocol/modules#unload", unload_modules_handler, "admin");
 682 local activate_host_desc = adhoc_new("Activate host", "http://prosody.im/protocol/hosts#activate", activate_host_handler, "global_admin");
 683 local deactivate_host_desc = adhoc_new("Deactivate host", "http://prosody.im/protocol/hosts#deactivate", deactivate_host_handler, "global_admin");
 684
 685 module:provides("adhoc", add_user_desc);
 686 module:provides("adhoc", change_user_password_desc);
 687 module:provides("adhoc", config_reload_desc);
 688 module:provides("adhoc", delete_user_desc);
 689 module:provides("adhoc", end_user_session_desc);
 690 module:provides("adhoc", get_user_password_desc);
 691 module:provides("adhoc", get_user_roster_desc);
 692 module:provides("adhoc", get_user_stats_desc);
 693 module:provides("adhoc", get_online_users_desc);
 694 module:provides("adhoc", list_modules_desc);
 695 module:provides("adhoc", load_module_desc);
 696 module:provides("adhoc", reload_modules_desc);
 697 module:provides("adhoc", shut_down_service_desc);
 698 module:provides("adhoc", unload_modules_desc);
 699 module:provides("adhoc", activate_host_desc);
 700 module:provides("adhoc", deactivate_host_desc);