biboumi_adhoc_commands.cpp 28.1 KB
Newer Older
1
#include <xmpp/biboumi_adhoc_commands.hpp>
2
#include <xmpp/biboumi_component.hpp>
3 4
#include <utils/scopeguard.hpp>
#include <bridge/bridge.hpp>
5
#include <config/config.hpp>
6
#include <utils/string.hpp>
7
#include <utils/split.hpp>
8
#include <xmpp/jid.hpp>
louiz’'s avatar
louiz’ committed
9
#include <algorithm>
10
#include <iomanip>
11 12 13 14 15 16 17

#include <biboumi.h>

#ifdef USE_DATABASE
#include <database/database.hpp>
#endif

18 19 20 21
#ifndef HAS_PUT_TIME
#include <ctime>
#endif

22
using namespace std::string_literals;
23

24
void DisconnectUserStep1(XmppComponent& xmpp_component, AdhocSession&, XmlNode& command_node)
25
{
26
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
27

28 29 30 31 32 33 34 35 36 37 38 39 40 41
  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
  title.set_inner("Disconnect a user from the gateway");
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
  instructions.set_inner("Choose a user JID and a quit message");
  x.add_child(std::move(instructions));
  XmlNode jids_field("field");
  jids_field["var"] = "jids";
  jids_field["type"] = "list-multi";
  jids_field["label"] = "The JIDs to disconnect";
  XmlNode required("required");
  jids_field.add_child(std::move(required));
42
  for (Bridge* bridge: biboumi_component.get_bridges())
43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
    {
      XmlNode option("option");
      option["label"] = bridge->get_jid();
      XmlNode value("value");
      value.set_inner(bridge->get_jid());
      option.add_child(std::move(value));
      jids_field.add_child(std::move(option));
    }
  x.add_child(std::move(jids_field));

  XmlNode message_field("field");
  message_field["var"] = "quit-message";
  message_field["type"] = "text-single";
  message_field["label"] = "Quit message";
  XmlNode message_value("value");
  message_value.set_inner("Disconnected by admin");
  message_field.add_child(std::move(message_value));
  x.add_child(std::move(message_field));
  command_node.add_child(std::move(x));
}

64
void DisconnectUserStep2(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
65
{
66
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
67

68 69
  // Find out if the jids, and the quit message are provided in the form.
  std::string quit_message;
70
  const XmlNode* x = command_node.get_child("x", "jabber:x:data");
71 72
  if (x)
    {
73 74 75
      const XmlNode* message_field = nullptr;
      const XmlNode* jids_field = nullptr;
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
76 77 78 79 80 81
        if (field->get_tag("var") == "jids")
          jids_field = field;
        else if (field->get_tag("var") == "quit-message")
          message_field = field;
      if (message_field)
        {
82
          const XmlNode* value = message_field->get_child("value", "jabber:x:data");
83 84 85 86 87 88
          if (value)
            quit_message = value->get_inner();
        }
      if (jids_field)
        {
          std::size_t num = 0;
89
          for (const XmlNode* value: jids_field->get_children("value", "jabber:x:data"))
90
            {
91
              Bridge* bridge = biboumi_component.find_user_bridge(value->get_inner());
92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
              if (bridge)
                {
                  bridge->shutdown(quit_message);
                  num++;
                }
            }
          command_node.delete_all_children();

          XmlNode note("note");
          note["type"] = "info";
          if (num == 0)
            note.set_inner("No user were disconnected.");
          else if (num == 1)
            note.set_inner("1 user has been disconnected.");
          else
            note.set_inner(std::to_string(num) + " users have been disconnected.");
          command_node.add_child(std::move(note));
109
          return;
110 111
        }
    }
112 113 114 115 116
  XmlNode error(ADHOC_NS":error");
  error["type"] = "modify";
  XmlNode condition(STANZA_NS":bad-request");
  error.add_child(std::move(condition));
  command_node.add_child(std::move(error));
117 118
  session.terminate();
}
119 120

#ifdef USE_DATABASE
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145

void ConfigureGlobalStep1(XmppComponent&, AdhocSession& session, XmlNode& command_node)
{
  const Jid owner(session.get_owner_jid());
  const Jid target(session.get_target_jid());

  auto options = Database::get_global_options(owner.bare());

  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
  title.set_inner("Configure some global default settings.");
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
  instructions.set_inner("Edit the form, to configure your global settings for the component.");
  x.add_child(std::move(instructions));

  XmlNode required("required");

  XmlNode max_histo_length("field");
  max_histo_length["var"] = "max_history_length";
  max_histo_length["type"] = "text-single";
  max_histo_length["label"] = "Max history length";
  max_histo_length["desc"] = "The maximum number of lines in the history that the server sends when joining a channel";

146 147 148
  XmlNode value("value");
  value.set_inner(std::to_string(options.maxHistoryLength.value()));
  max_histo_length.add_child(std::move(value));
149 150
  x.add_child(std::move(max_histo_length));

151 152 153 154 155 156 157 158 159 160 161 162 163 164
  XmlNode record_history("field");
  record_history["var"] = "record_history";
  record_history["type"] = "boolean";
  record_history["label"] = "Record history";
  record_history["desc"] = "Whether to save the messages into the database, or not";

  value.set_name("value");
  if (options.recordHistory.value())
    value.set_inner("true");
  else
    value.set_inner("false");
  record_history.add_child(std::move(value));
  x.add_child(std::move(record_history));

165 166 167
  command_node.add_child(std::move(x));
}

168
void ConfigureGlobalStep2(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
169
{
170 171
  BiboumiComponent& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);

172 173 174 175 176 177 178 179 180 181 182 183
  const XmlNode* x = command_node.get_child("x", "jabber:x:data");
  if (x)
    {
      const Jid owner(session.get_owner_jid());
      auto options = Database::get_global_options(owner.bare());
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        {
          const XmlNode* value = field->get_child("value", "jabber:x:data");

          if (field->get_tag("var") == "max_history_length" &&
              value && !value->get_inner().empty())
            options.maxHistoryLength = value->get_inner();
184 185 186 187 188 189 190 191
          else if (field->get_tag("var") == "record_history" &&
                   value && !value->get_inner().empty())
            {
              options.recordHistory = to_bool(value->get_inner());
              Bridge* bridge = biboumi_component.find_user_bridge(owner.bare());
              if (bridge)
                bridge->set_record_history(options.recordHistory.value());
            }
192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
        }

      options.update();

      command_node.delete_all_children();
      XmlNode note("note");
      note["type"] = "info";
      note.set_inner("Configuration successfully applied.");
      command_node.add_child(std::move(note));
      return;
    }
  XmlNode error(ADHOC_NS":error");
  error["type"] = "modify";
  XmlNode condition(STANZA_NS":bad-request");
  error.add_child(std::move(condition));
  command_node.add_child(std::move(error));
  session.terminate();
}

211
void ConfigureIrcServerStep1(XmppComponent&, AdhocSession& session, XmlNode& command_node)
212 213 214
{
  const Jid owner(session.get_owner_jid());
  const Jid target(session.get_target_jid());
215 216 217
  std::string server_domain;
  if ((server_domain = Config::get("fixed_irc_server", "")).empty())
    server_domain = target.local;
218
  auto options = Database::get_irc_server_options(owner.local + "@" + owner.domain,
219
                                                  server_domain);
220 221 222 223

  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
224
  title.set_inner("Configure the IRC server "s + server_domain);
225 226
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
227
  instructions.set_inner("Edit the form, to configure the settings of the IRC server "s + server_domain);
228 229 230
  x.add_child(std::move(instructions));

  XmlNode required("required");
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261

  XmlNode ports("field");
  ports["var"] = "ports";
  ports["type"] = "text-multi";
  ports["label"] = "Ports";
  ports["desc"] = "List of ports to try, without TLS. Defaults: 6667.";
  auto vals = utils::split(options.ports.value(), ';', false);
  for (const auto& val: vals)
    {
      XmlNode ports_value("value");
      ports_value.set_inner(val);
      ports.add_child(std::move(ports_value));
    }
  ports.add_child(required);
  x.add_child(std::move(ports));

#ifdef BOTAN_FOUND
  XmlNode tls_ports("field");
  tls_ports["var"] = "tls_ports";
  tls_ports["type"] = "text-multi";
  tls_ports["label"] = "TLS ports";
  tls_ports["desc"] = "List of ports to try, with TLS. Defaults: 6697, 6670.";
  vals = utils::split(options.tlsPorts.value(), ';', false);
  for (const auto& val: vals)
    {
      XmlNode tls_ports_value("value");
      tls_ports_value.set_inner(val);
      tls_ports.add_child(std::move(tls_ports_value));
    }
  tls_ports.add_child(required);
  x.add_child(std::move(tls_ports));
262 263 264 265 266 267 268 269 270 271 272 273 274

  XmlNode verify_cert("field");
  verify_cert["var"] = "verify_cert";
  verify_cert["type"] = "boolean";
  verify_cert["label"] = "Verify certificate";
  verify_cert["desc"] = "Whether or not to abort the connection if the server’s TLS certificate is invalid";
  XmlNode verify_cert_value("value");
  if (options.verifyCert.value())
    verify_cert_value.set_inner("true");
  else
    verify_cert_value.set_inner("false");
  verify_cert.add_child(std::move(verify_cert_value));
  x.add_child(std::move(verify_cert));
275 276 277 278 279 280 281 282 283 284 285 286 287

  XmlNode fingerprint("field");
  fingerprint["var"] = "fingerprint";
  fingerprint["type"] = "text-single";
  fingerprint["label"] = "SHA-1 fingerprint of the TLS certificate to trust.";
  if (!options.trustedFingerprint.value().empty())
    {
      XmlNode fingerprint_value("value");
      fingerprint_value.set_inner(options.trustedFingerprint.value());
      fingerprint.add_child(std::move(fingerprint_value));
    }
  fingerprint.add_child(required);
  x.add_child(std::move(fingerprint));
288
#endif
289 290 291 292 293 294 295 296 297 298 299 300 301 302

  XmlNode pass("field");
  pass["var"] = "pass";
  pass["type"] = "text-private";
  pass["label"] = "Server password (to be used in a PASS command when connecting)";
  if (!options.pass.value().empty())
    {
      XmlNode pass_value("value");
      pass_value.set_inner(options.pass.value());
      pass.add_child(std::move(pass_value));
    }
  pass.add_child(required);
  x.add_child(std::move(pass));

303 304 305 306 307 308 309 310 311 312 313 314 315 316
  XmlNode after_cnt_cmd("field");
  after_cnt_cmd["var"] = "after_connect_command";
  after_cnt_cmd["type"] = "text-single";
  after_cnt_cmd["desc"] = "Custom IRC command sent after the connection is established with the server.";
  after_cnt_cmd["label"] = "After-connection IRC command";
  if (!options.afterConnectionCommand.value().empty())
    {
      XmlNode after_cnt_cmd_value("value");
      after_cnt_cmd_value.set_inner(options.afterConnectionCommand.value());
      after_cnt_cmd.add_child(std::move(after_cnt_cmd_value));
    }
  after_cnt_cmd.add_child(required);
  x.add_child(std::move(after_cnt_cmd));

317
  if (Config::get("realname_customization", "true") == "true")
318
    {
319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343
      XmlNode username("field");
      username["var"] = "username";
      username["type"] = "text-single";
      username["label"] = "Username";
      if (!options.username.value().empty())
        {
          XmlNode username_value("value");
          username_value.set_inner(options.username.value());
          username.add_child(std::move(username_value));
        }
      username.add_child(required);
      x.add_child(std::move(username));

      XmlNode realname("field");
      realname["var"] = "realname";
      realname["type"] = "text-single";
      realname["label"] = "Realname";
      if (!options.realname.value().empty())
        {
          XmlNode realname_value("value");
          realname_value.set_inner(options.realname.value());
          realname.add_child(std::move(realname_value));
        }
      realname.add_child(required);
      x.add_child(std::move(realname));
344 345
    }

346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374
  XmlNode encoding_out("field");
  encoding_out["var"] = "encoding_out";
  encoding_out["type"] = "text-single";
  encoding_out["desc"] = "The encoding used when sending messages to the IRC server.";
  encoding_out["label"] = "Out encoding";
  if (!options.encodingOut.value().empty())
    {
      XmlNode encoding_out_value("value");
      encoding_out_value.set_inner(options.encodingOut.value());
      encoding_out.add_child(std::move(encoding_out_value));
    }
  encoding_out.add_child(required);
  x.add_child(std::move(encoding_out));

  XmlNode encoding_in("field");
  encoding_in["var"] = "encoding_in";
  encoding_in["type"] = "text-single";
  encoding_in["desc"] = "The encoding used to decode message received from the IRC server.";
  encoding_in["label"] = "In encoding";
  if (!options.encodingIn.value().empty())
    {
      XmlNode encoding_in_value("value");
      encoding_in_value.set_inner(options.encodingIn.value());
      encoding_in.add_child(std::move(encoding_in_value));
    }
  encoding_in.add_child(required);
  x.add_child(std::move(encoding_in));


375 376 377
  command_node.add_child(std::move(x));
}

378
void ConfigureIrcServerStep2(XmppComponent&, AdhocSession& session, XmlNode& command_node)
379 380 381 382 383 384
{
  const XmlNode* x = command_node.get_child("x", "jabber:x:data");
  if (x)
    {
      const Jid owner(session.get_owner_jid());
      const Jid target(session.get_target_jid());
385 386 387
      std::string server_domain;
      if ((server_domain = Config::get("fixed_irc_server", "")).empty())
        server_domain = target.local;
388
      auto options = Database::get_irc_server_options(owner.local + "@" + owner.domain,
389
                                                      server_domain);
390 391 392
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        {
          const XmlNode* value = field->get_child("value", "jabber:x:data");
393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409
          const std::vector<const XmlNode*> values = field->get_children("value", "jabber:x:data");
          if (field->get_tag("var") == "ports")
            {
              std::string ports;
              for (const auto& val: values)
                ports += val->get_inner() + ";";
              options.ports = ports;
            }

#ifdef BOTAN_FOUND
          else if (field->get_tag("var") == "tls_ports")
            {
              std::string ports;
              for (const auto& val: values)
                ports += val->get_inner() + ";";
              options.tlsPorts = ports;
            }
410

411
          else if (field->get_tag("var") == "verify_cert" && value
412
                   && !value->get_inner().empty())
413 414 415 416
            {
              auto val = to_bool(value->get_inner());
              options.verifyCert = val;
            }
417 418 419 420 421 422 423

          else if (field->get_tag("var") == "fingerprint" && value &&
                   !value->get_inner().empty())
            {
              options.trustedFingerprint = value->get_inner();
            }

424
#endif // BOTAN_FOUND
425 426

          else if (field->get_tag("var") == "pass" &&
427
                   value && !value->get_inner().empty())
428
            options.pass = value->get_inner();
429 430 431 432

          else if (field->get_tag("var") == "after_connect_command" &&
                   value && !value->get_inner().empty())
            options.afterConnectionCommand = value->get_inner();
433 434 435

          else if (field->get_tag("var") == "username" &&
                   value && !value->get_inner().empty())
436 437 438
            {
              auto username = value->get_inner();
              // The username must not contain spaces
439
              std::replace(username.begin(), username.end(), ' ', '_');
440 441
              options.username = username;
            }
442 443 444 445

          else if (field->get_tag("var") == "realname" &&
                   value && !value->get_inner().empty())
            options.realname = value->get_inner();
446 447 448 449 450 451 452 453 454

          else if (field->get_tag("var") == "encoding_out" &&
                   value && !value->get_inner().empty())
            options.encodingOut = value->get_inner();

          else if (field->get_tag("var") == "encoding_in" &&
                   value && !value->get_inner().empty())
            options.encodingIn = value->get_inner();

455 456 457 458 459 460 461 462 463 464 465 466
        }

      options.update();

      command_node.delete_all_children();
      XmlNode note("note");
      note["type"] = "info";
      note.set_inner("Configuration successfully applied.");
      command_node.add_child(std::move(note));
      return;
    }
  XmlNode error(ADHOC_NS":error");
467 468 469 470 471 472 473 474 475 476 477
  error["type"] = "modify";
  XmlNode condition(STANZA_NS":bad-request");
  error.add_child(std::move(condition));
  command_node.add_child(std::move(error));
  session.terminate();
}

void ConfigureIrcChannelStep1(XmppComponent&, AdhocSession& session, XmlNode& command_node)
{
  const Jid owner(session.get_owner_jid());
  const Jid target(session.get_target_jid());
478
  const Iid iid(target.local, {});
479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530
  auto options = Database::get_irc_channel_options_with_server_default(owner.local + "@" + owner.domain,
                                                                       iid.get_server(), iid.get_local());

  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
  title.set_inner("Configure the IRC channel "s + iid.get_local() + " on server "s + iid.get_server());
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
  instructions.set_inner("Edit the form, to configure the settings of the IRC channel "s + iid.get_local());
  x.add_child(std::move(instructions));

  XmlNode required("required");

  XmlNode encoding_out("field");
  encoding_out["var"] = "encoding_out";
  encoding_out["type"] = "text-single";
  encoding_out["desc"] = "The encoding used when sending messages to the IRC server. Defaults to the server's “out encoding” if unset for the channel";
  encoding_out["label"] = "Out encoding";
  if (!options.encodingOut.value().empty())
    {
      XmlNode encoding_out_value("value");
      encoding_out_value.set_inner(options.encodingOut.value());
      encoding_out.add_child(std::move(encoding_out_value));
    }
  encoding_out.add_child(required);
  x.add_child(std::move(encoding_out));

  XmlNode encoding_in("field");
  encoding_in["var"] = "encoding_in";
  encoding_in["type"] = "text-single";
  encoding_in["desc"] = "The encoding used to decode message received from the IRC server. Defaults to the server's “in encoding” if unset for the channel";
  encoding_in["label"] = "In encoding";
  if (!options.encodingIn.value().empty())
    {
      XmlNode encoding_in_value("value");
      encoding_in_value.set_inner(options.encodingIn.value());
      encoding_in.add_child(std::move(encoding_in_value));
    }
  encoding_in.add_child(required);
  x.add_child(std::move(encoding_in));

  command_node.add_child(std::move(x));
}

void ConfigureIrcChannelStep2(XmppComponent&, AdhocSession& session, XmlNode& command_node)
{
  const XmlNode* x = command_node.get_child("x", "jabber:x:data");
  if (x)
    {
      const Jid owner(session.get_owner_jid());
      const Jid target(session.get_target_jid());
531
      const Iid iid(target.local, {});
532 533 534 535 536 537 538
      auto options = Database::get_irc_channel_options(owner.local + "@" + owner.domain,
                                                       iid.get_server(), iid.get_local());
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        {
          const XmlNode* value = field->get_child("value", "jabber:x:data");

          if (field->get_tag("var") == "encoding_out" &&
539
              value && !value->get_inner().empty())
540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556
            options.encodingOut = value->get_inner();

          else if (field->get_tag("var") == "encoding_in" &&
                   value && !value->get_inner().empty())
            options.encodingIn = value->get_inner();
        }

      options.update();

      command_node.delete_all_children();
      XmlNode note("note");
      note["type"] = "info";
      note.set_inner("Configuration successfully applied.");
      command_node.add_child(std::move(note));
      return;
    }
  XmlNode error(ADHOC_NS":error");
557 558 559 560 561 562 563
  error["type"] = "modify";
  XmlNode condition(STANZA_NS":bad-request");
  error.add_child(std::move(condition));
  command_node.add_child(std::move(error));
  session.terminate();
}
#endif  // USE_DATABASE
564

565
void DisconnectUserFromServerStep1(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
566 567 568 569 570 571 572 573 574 575
{
  const Jid owner(session.get_owner_jid());
  if (owner.bare() != Config::get("admin", ""))
    { // A non-admin is not allowed to disconnect other users, only
      // him/herself, so we just skip this step
      auto next_step = session.get_next_step();
      next_step(xmpp_component, session, command_node);
    }
  else
    { // Send a form to select the user to disconnect
576
      auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
577 578 579 580 581 582 583 584 585 586 587 588 589 590 591

      XmlNode x("jabber:x:data:x");
      x["type"] = "form";
      XmlNode title("title");
      title.set_inner("Disconnect a user from selected IRC servers");
      x.add_child(std::move(title));
      XmlNode instructions("instructions");
      instructions.set_inner("Choose a user JID");
      x.add_child(std::move(instructions));
      XmlNode jids_field("field");
      jids_field["var"] = "jid";
      jids_field["type"] = "list-single";
      jids_field["label"] = "The JID to disconnect";
      XmlNode required("required");
      jids_field.add_child(std::move(required));
592
      for (Bridge* bridge: biboumi_component.get_bridges())
593 594 595 596 597 598 599 600 601 602 603 604 605
        {
          XmlNode option("option");
          option["label"] = bridge->get_jid();
          XmlNode value("value");
          value.set_inner(bridge->get_jid());
          option.add_child(std::move(value));
          jids_field.add_child(std::move(option));
        }
      x.add_child(std::move(jids_field));
      command_node.add_child(std::move(x));
    }
}

606
void DisconnectUserFromServerStep2(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
{
  // If no JID is contained in the command node, it means we skipped the
  // previous stage, and the jid to disconnect is the executor's jid
  std::string jid_to_disconnect = session.get_owner_jid();

  if (const XmlNode* x = command_node.get_child("x", "jabber:x:data"))
    {
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        if (field->get_tag("var") == "jid")
          {
            if (const XmlNode* value = field->get_child("value", "jabber:x:data"))
              jid_to_disconnect = value->get_inner();
          }
    }

  // Save that JID for the last step
  session.vars["jid"] = jid_to_disconnect;

  // Send a data form to let the user choose which server to disconnect the
  // user from
  command_node.delete_all_children();
628
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643

  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
  title.set_inner("Disconnect a user from selected IRC servers");
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
  instructions.set_inner("Choose one or more servers to disconnect this JID from");
  x.add_child(std::move(instructions));
  XmlNode jids_field("field");
  jids_field["var"] = "irc-servers";
  jids_field["type"] = "list-multi";
  jids_field["label"] = "The servers to disconnect from";
  XmlNode required("required");
  jids_field.add_child(std::move(required));
644
  Bridge* bridge = biboumi_component.find_user_bridge(jid_to_disconnect);
645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678

  if (!bridge || bridge->get_irc_clients().empty())
    {
      XmlNode note("note");
      note["type"] = "info";
      note.set_inner("User "s + jid_to_disconnect + " is not connected to any IRC server.");
      command_node.add_child(std::move(note));
      session.terminate();
      return ;
    }

  for (const auto& pair: bridge->get_irc_clients())
    {
      XmlNode option("option");
      option["label"] = pair.first;
      XmlNode value("value");
      value.set_inner(pair.first);
      option.add_child(std::move(value));
      jids_field.add_child(std::move(option));
    }
  x.add_child(std::move(jids_field));

  XmlNode message_field("field");
  message_field["var"] = "quit-message";
  message_field["type"] = "text-single";
  message_field["label"] = "Quit message";
  XmlNode message_value("value");
  message_value.set_inner("Killed by admin");
  message_field.add_child(std::move(message_value));
  x.add_child(std::move(message_field));

  command_node.add_child(std::move(x));
}

679
void DisconnectUserFromServerStep3(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703
{
  const auto it = session.vars.find("jid");
  if (it == session.vars.end())
    return ;
  const auto jid_to_disconnect = it->second;

  std::vector<std::string> servers;
  std::string quit_message;

  if (const XmlNode* x = command_node.get_child("x", "jabber:x:data"))
    {
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        {
          if (field->get_tag("var") == "irc-servers")
            {
              for (const XmlNode* value: field->get_children("value", "jabber:x:data"))
                servers.push_back(value->get_inner());
            }
          else if (field->get_tag("var") == "quit-message")
            if (const XmlNode* value = field->get_child("value", "jabber:x:data"))
              quit_message = value->get_inner();
        }
    }

704 705
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
  Bridge* bridge = biboumi_component.find_user_bridge(jid_to_disconnect);
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729
  auto& clients = bridge->get_irc_clients();

  std::size_t number = 0;

  for (const auto& hostname: servers)
    {
      auto it = clients.find(hostname);
      if (it != clients.end())
        {
          it->second->on_error({"ERROR", {quit_message}});
          clients.erase(it);
          number++;
        }
    }
  command_node.delete_all_children();
  XmlNode note("note");
  note["type"] = "info";
  std::string msg = jid_to_disconnect + " was disconnected from " + std::to_string(number) + " IRC server";
  if (number > 1)
    msg += "s";
  msg += ".";
  note.set_inner(msg);
  command_node.add_child(std::move(note));
}
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772

void GetIrcConnectionInfoStep1(XmppComponent& component, AdhocSession& session, XmlNode& command_node)
{
  BiboumiComponent& biboumi_component = static_cast<BiboumiComponent&>(component);

  const Jid owner(session.get_owner_jid());
  const Jid target(session.get_target_jid());

  std::string message{};

  // As the function is exited, set the message in the response.
  utils::ScopeGuard sg([&message, &command_node]()
                       {
                         command_node.delete_all_children();
                         XmlNode note("note");
                         note["type"] = "info";
                         note.set_inner(message);
                         command_node.add_child(std::move(note));
                       });

  Bridge* bridge = biboumi_component.get_user_bridge(owner.bare());
  if (!bridge)
    {
      message = "You are not connected to anything.";
      return;
    }

  std::string hostname;
  if ((hostname = Config::get("fixed_irc_server", "")).empty())
    hostname = target.local;

  IrcClient* irc = bridge->find_irc_client(hostname);
  if (!irc || !irc->is_connected())
    {
      message = "You are not connected to the IRC server "s + hostname;
      return;
    }

  std::ostringstream ss;
  ss << "Connected to IRC server " << irc->get_hostname() << " on port " << irc->get_port();
  if (irc->is_using_tls())
    ss << " (using TLS)";
  const std::time_t now_c = std::chrono::system_clock::to_time_t(irc->connection_date);
773
#ifdef HAS_PUT_TIME
774
  ss << " since " << std::put_time(std::localtime(&now_c), "%F %T");
775 776 777 778 779 780 781
#else
  constexpr std::size_t timestamp_size{10 + 1 + 8 + 1};
  char buf[timestamp_size] = {};
  const auto res = std::strftime(buf, timestamp_size, "%F %T", std::localtime(&now_c));
  if (res > 0)
    ss << " since " << buf;
#endif
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
  ss << " (" << std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now() - irc->connection_date).count() << " seconds ago).";

  for (const auto& it: bridge->resources_in_chan)
    {
      const auto& channel_key = it.first;
      const auto& irc_hostname = std::get<1>(channel_key);
      const auto& resources = it.second;

      if (irc_hostname == irc->get_hostname() && !resources.empty())
        {
          const auto& channel_name = std::get<0>(channel_key);
          ss << "\n" << channel_name << " from " << resources.size() << " resource" << (resources.size() > 1 ? "s": "") << ": ";
          for (const auto& resource: resources)
            ss << resource << " ";
        }
    }

  message = ss.str();
}