biboumi_adhoc_commands.cpp 22.4 KB
Newer Older
1
#include <xmpp/biboumi_adhoc_commands.hpp>
2
#include <xmpp/biboumi_component.hpp>
3
#include <config/config.hpp>
4
#include <utils/string.hpp>
5
#include <utils/split.hpp>
6 7 8 9 10 11 12 13
#include <xmpp/jid.hpp>

#include <biboumi.h>

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

14 15
#include <louloulibs.h>

16 17
#include <algorithm>

18
using namespace std::string_literals;
19

20
void DisconnectUserStep1(XmppComponent& xmpp_component, AdhocSession&, XmlNode& command_node)
21
{
22
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
23

24 25 26 27 28 29 30 31 32 33 34 35 36 37
  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));
38
  for (Bridge* bridge: biboumi_component.get_bridges())
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
    {
      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));
}

60
void DisconnectUserStep2(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
61
{
62
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
63

64 65
  // Find out if the jids, and the quit message are provided in the form.
  std::string quit_message;
66
  const XmlNode* x = command_node.get_child("x", "jabber:x:data");
67 68
  if (x)
    {
69 70 71
      const XmlNode* message_field = nullptr;
      const XmlNode* jids_field = nullptr;
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
72 73 74 75 76 77
        if (field->get_tag("var") == "jids")
          jids_field = field;
        else if (field->get_tag("var") == "quit-message")
          message_field = field;
      if (message_field)
        {
78
          const XmlNode* value = message_field->get_child("value", "jabber:x:data");
79 80 81 82 83 84
          if (value)
            quit_message = value->get_inner();
        }
      if (jids_field)
        {
          std::size_t num = 0;
85
          for (const XmlNode* value: jids_field->get_children("value", "jabber:x:data"))
86
            {
87
              Bridge* bridge = biboumi_component.find_user_bridge(value->get_inner());
88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104
              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));
105
          return;
106 107
        }
    }
108 109 110 111 112
  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));
113 114
  session.terminate();
}
115 116

#ifdef USE_DATABASE
117
void ConfigureIrcServerStep1(XmppComponent&, AdhocSession& session, XmlNode& command_node)
118 119 120
{
  const Jid owner(session.get_owner_jid());
  const Jid target(session.get_target_jid());
121 122 123
  std::string server_domain;
  if ((server_domain = Config::get("fixed_irc_server", "")).empty())
    server_domain = target.local;
124
  auto options = Database::get_irc_server_options(owner.local + "@" + owner.domain,
125
                                                  server_domain);
126 127 128 129

  XmlNode x("jabber:x:data:x");
  x["type"] = "form";
  XmlNode title("title");
130
  title.set_inner("Configure the IRC server "s + server_domain);
131 132
  x.add_child(std::move(title));
  XmlNode instructions("instructions");
133
  instructions.set_inner("Edit the form, to configure the settings of the IRC server "s + server_domain);
134 135 136
  x.add_child(std::move(instructions));

  XmlNode required("required");
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167

  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));
168 169 170 171 172 173 174 175 176 177 178 179 180

  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));
181 182 183 184 185 186 187 188 189 190 191 192 193

  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));
194
#endif
195 196 197 198 199 200 201 202 203 204 205 206 207 208

  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));

209 210 211 212 213 214 215 216 217 218 219 220 221 222
  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));

223
  if (Config::get("realname_customization", "true") == "true")
224
    {
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249
      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));
250 251
    }

252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
  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));


281 282 283
  command_node.add_child(std::move(x));
}

284
void ConfigureIrcServerStep2(XmppComponent&, AdhocSession& session, XmlNode& command_node)
285 286 287 288 289 290
{
  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());
291 292 293
      std::string server_domain;
      if ((server_domain = Config::get("fixed_irc_server", "")).empty())
        server_domain = target.local;
294
      auto options = Database::get_irc_server_options(owner.local + "@" + owner.domain,
295
                                                      server_domain);
296 297 298
      for (const XmlNode* field: x->get_children("field", "jabber:x:data"))
        {
          const XmlNode* value = field->get_child("value", "jabber:x:data");
299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
          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;
            }
316

317
          else if (field->get_tag("var") == "verify_cert" && value
318 319 320 321 322
              && !value->get_inner().empty())
            {
              auto val = to_bool(value->get_inner());
              options.verifyCert = val;
            }
323 324 325 326 327 328 329

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

330
#endif // BOTAN_FOUND
331 332

          else if (field->get_tag("var") == "pass" &&
333
                   value && !value->get_inner().empty())
334
            options.pass = value->get_inner();
335 336 337 338

          else if (field->get_tag("var") == "after_connect_command" &&
                   value && !value->get_inner().empty())
            options.afterConnectionCommand = value->get_inner();
339 340 341

          else if (field->get_tag("var") == "username" &&
                   value && !value->get_inner().empty())
342 343 344
            {
              auto username = value->get_inner();
              // The username must not contain spaces
345
              std::replace(username.begin(), username.end(), ' ', '_');
346 347
              options.username = username;
            }
348 349 350 351

          else if (field->get_tag("var") == "realname" &&
                   value && !value->get_inner().empty())
            options.realname = value->get_inner();
352 353 354 355 356 357 358 359 360

          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();

361 362 363 364 365 366 367 368 369 370 371 372
        }

      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");
373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462
  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());
  const Iid iid(target.local);
  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());
      const Iid iid(target.local);
      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" &&
                   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();
        }

      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");
463 464 465 466 467 468 469
  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
470

471
void DisconnectUserFromServerStep1(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
472 473 474 475 476 477 478 479 480 481
{
  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
482
      auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
483 484 485 486 487 488 489 490 491 492 493 494 495 496 497

      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));
498
      for (Bridge* bridge: biboumi_component.get_bridges())
499 500 501 502 503 504 505 506 507 508 509 510 511
        {
          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));
    }
}

512
void DisconnectUserFromServerStep2(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
{
  // 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();
534
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549

  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));
550
  Bridge* bridge = biboumi_component.find_user_bridge(jid_to_disconnect);
551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584

  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));
}

585
void DisconnectUserFromServerStep3(XmppComponent& xmpp_component, AdhocSession& session, XmlNode& command_node)
586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609
{
  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();
        }
    }

610 611
  auto& biboumi_component = static_cast<BiboumiComponent&>(xmpp_component);
  Bridge* bridge = biboumi_component.find_user_bridge(jid_to_disconnect);
612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
  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));
}