xmpp_component.cpp 22.2 KB
Newer Older
1
#include <utils/make_unique.hpp>
2
#include <utils/scopeguard.hpp>
louiz’'s avatar
louiz’ committed
3
#include <logger/logger.hpp>
4

5
#include <xmpp/xmpp_component.hpp>
6
#include <xmpp/jid.hpp>
7

8 9
#include <utils/sha1.hpp>

louiz’'s avatar
louiz’ committed
10
#include <stdexcept>
11 12
#include <iostream>

13
#include <stdio.h>
14

15 16 17 18
#define STREAM_NS        "http://etherx.jabber.org/streams"
#define COMPONENT_NS     "jabber:component:accept"
#define MUC_NS           "http://jabber.org/protocol/muc"
#define MUC_USER_NS      MUC_NS"#user"
19
#define MUC_ADMIN_NS     MUC_NS"#admin"
20 21 22
#define DISCO_NS         "http://jabber.org/protocol/disco"
#define DISCO_ITEMS_NS   DISCO_NS"#items"
#define DISCO_INFO_NS    DISCO_NS"#info"
23
#define XHTMLIM_NS       "http://jabber.org/protocol/xhtml-im"
24
#define STANZA_NS        "urn:ietf:params:xml:ns:xmpp-stanzas"
louiz’'s avatar
louiz’ committed
25
#define STREAMS_NS       "urn:ietf:params:xml:ns:xmpp-streams"
26

27
XmppComponent::XmppComponent(const std::string& hostname, const std::string& secret):
28 29
  ever_auth(false),
  last_auth(false),
30 31
  served_hostname(hostname),
  secret(secret),
louiz’'s avatar
louiz’ committed
32 33
  authenticated(false),
  doc_open(false)
34 35 36 37 38 39 40
{
  this->parser.add_stream_open_callback(std::bind(&XmppComponent::on_remote_stream_open, this,
                                                  std::placeholders::_1));
  this->parser.add_stanza_callback(std::bind(&XmppComponent::on_stanza, this,
                                                  std::placeholders::_1));
  this->parser.add_stream_close_callback(std::bind(&XmppComponent::on_remote_stream_close, this,
                                                  std::placeholders::_1));
41
  this->stanza_handlers.emplace(COMPONENT_NS":handshake",
42
                                std::bind(&XmppComponent::handle_handshake, this,std::placeholders::_1));
43
  this->stanza_handlers.emplace(COMPONENT_NS":presence",
44
                                std::bind(&XmppComponent::handle_presence, this,std::placeholders::_1));
45
  this->stanza_handlers.emplace(COMPONENT_NS":message",
louiz’'s avatar
louiz’ committed
46
                                std::bind(&XmppComponent::handle_message, this,std::placeholders::_1));
47 48
  this->stanza_handlers.emplace(COMPONENT_NS":iq",
                                std::bind(&XmppComponent::handle_iq, this,std::placeholders::_1));
louiz’'s avatar
louiz’ committed
49 50
  this->stanza_handlers.emplace(STREAM_NS":error",
                                std::bind(&XmppComponent::handle_error, this,std::placeholders::_1));
51 52 53 54 55 56
}

XmppComponent::~XmppComponent()
{
}

57
void XmppComponent::start()
58
{
59
  this->connect("127.0.0.1", "5347");
60 61
}

louiz’'s avatar
louiz’ committed
62 63 64 65 66
bool XmppComponent::is_document_open() const
{
  return this->doc_open;
}

67 68
void XmppComponent::send_stanza(const Stanza& stanza)
{
louiz’'s avatar
louiz’ committed
69 70 71
  std::string str = stanza.to_string();
  log_debug("XMPP SENDING: " << str);
  this->send_data(std::move(str));
72 73
}

74 75 76 77 78
void XmppComponent::on_connection_failed(const std::string& reason)
{
  log_error("Failed to connect to the XMPP server: " << reason);
}

79 80
void XmppComponent::on_connected()
{
louiz’'s avatar
louiz’ committed
81
  log_info("connected to XMPP server");
82
  XmlNode node("stream:stream", nullptr);
83 84
  node["xmlns"] = COMPONENT_NS;
  node["xmlns:stream"] = STREAM_NS;
85
  node["to"] = this->served_hostname;
86
  this->send_stanza(node);
louiz’'s avatar
louiz’ committed
87
  this->doc_open = true;
88 89 90
  // We may have some pending data to send: this happens when we try to send
  // some data before we are actually connected.  We send that data right now, if any
  this->send_pending_data();
91 92 93 94
}

void XmppComponent::on_connection_close()
{
louiz’'s avatar
louiz’ committed
95
  log_info("XMPP server closed connection");
96 97
}

98
void XmppComponent::parse_in_buffer(const size_t size)
99
{
100 101 102 103 104 105 106 107 108 109 110 111
  if (!this->in_buf.empty())
    { // This may happen if the parser could not allocate enough space for
      // us. We try to feed it the data that was read into our in_buf
      // instead. If this fails again we are in trouble.
      this->parser.feed(this->in_buf.data(), this->in_buf.size(), false);
      this->in_buf.clear();
    }
  else
    { // Just tell the parser to parse the data that was placed into the
      // buffer it provided to us with GetBuffer
      this->parser.parse(size, false);
    }
112 113
}

louiz’'s avatar
louiz’ committed
114 115 116 117 118 119 120 121
void XmppComponent::shutdown()
{
  for (auto it = this->bridges.begin(); it != this->bridges.end(); ++it)
  {
    it->second->shutdown();
  }
}

louiz’'s avatar
louiz’ committed
122 123
void XmppComponent::clean()
{
louiz’'s avatar
louiz’ committed
124 125
  auto it = this->bridges.begin();
  while (it != this->bridges.end())
louiz’'s avatar
louiz’ committed
126 127
  {
    it->second->clean();
128
    if (it->second->active_clients() == 0)
louiz’'s avatar
louiz’ committed
129 130 131
      it = this->bridges.erase(it);
    else
      ++it;
louiz’'s avatar
louiz’ committed
132 133 134
  }
}

135 136
void XmppComponent::on_remote_stream_open(const XmlNode& node)
{
louiz’'s avatar
louiz’ committed
137
  log_debug("XMPP DOCUMENT OPEN: " << node.to_string());
138 139 140 141 142 143
  try
    {
      this->stream_id = node["id"];
    }
  catch (const AttributeNotFound& e)
    {
louiz’'s avatar
louiz’ committed
144
      log_error("Error: no attribute 'id' found");
145 146 147 148 149
      this->send_stream_error("bad-format", "missing 'id' attribute");
      this->close_document();
      return ;
    }

150
  this->last_auth = false;
151
  // Try to authenticate
152 153 154 155 156 157 158 159 160 161 162
  char digest[HASH_LENGTH * 2 + 1];
  sha1nfo sha1;
  sha1_init(&sha1);
  sha1_write(&sha1, this->stream_id.data(), this->stream_id.size());
  sha1_write(&sha1, this->secret.data(),  this->secret.size());
  const uint8_t* result = sha1_result(&sha1);
  for (int i=0; i < HASH_LENGTH; i++)
    sprintf(digest + (i*2), "%02x", result[i]);
  digest[HASH_LENGTH * 2] = '\0';

  Stanza handshake("handshake");
163 164 165 166 167 168 169
  handshake.set_inner(digest);
  handshake.close();
  this->send_stanza(handshake);
}

void XmppComponent::on_remote_stream_close(const XmlNode& node)
{
louiz’'s avatar
louiz’ committed
170
  log_debug("XMPP DOCUMENT CLOSE " << node.to_string());
171
  this->doc_open = false;
172 173
}

174 175 176 177 178
void XmppComponent::reset()
{
  this->parser.reset();
}

179 180
void XmppComponent::on_stanza(const Stanza& stanza)
{
louiz’'s avatar
louiz’ committed
181
  log_debug("XMPP RECEIVING: " << stanza.to_string());
182
  std::function<void(const Stanza&)> handler;
183 184
  try
    {
185
      handler = this->stanza_handlers.at(stanza.get_name());
186 187 188
    }
  catch (const std::out_of_range& exception)
    {
louiz’'s avatar
louiz’ committed
189
      log_warning("No handler for stanza of type " << stanza.get_name());
190 191
      return;
    }
192
  handler(stanza);
193 194 195 196 197 198
}

void XmppComponent::send_stream_error(const std::string& name, const std::string& explanation)
{
  XmlNode node("stream:error", nullptr);
  XmlNode error(name, nullptr);
199
  error["xmlns"] = STREAM_NS;
200 201 202 203 204 205 206 207
  if (!explanation.empty())
    error.set_inner(explanation);
  error.close();
  node.add_child(std::move(error));
  node.close();
  this->send_stanza(node);
}

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
void XmppComponent::send_stanza_error(const std::string& kind, const std::string& to, const std::string& from,
                       const std::string& id, const std::string& error_type,
                       const std::string& defined_condition, const std::string& text)
{
  Stanza node(kind);
  if (!to.empty())
    node["to"] = to;
  if (!from.empty())
    node["from"] = from;
  if (!id.empty())
    node["id"] = id;
  node["type"] = "error";
  XmlNode error("error");
  error["type"] = error_type;
  XmlNode inner_error(defined_condition);
  inner_error["xmlns"] = STANZA_NS;
  inner_error.close();
  error.add_child(std::move(inner_error));
  if (!text.empty())
    {
      XmlNode text_node("text");
      text_node["xmlns"] = STANZA_NS;
      text_node.set_inner(text);
      text_node.close();
      error.add_child(std::move(text_node));
    }
  error.close();
  node.add_child(std::move(error));
  node.close();
  this->send_stanza(node);
}

240 241
void XmppComponent::close_document()
{
louiz’'s avatar
louiz’ committed
242
  log_debug("XMPP SENDING: </stream:stream>");
243
  this->send_data("</stream:stream>");
louiz’'s avatar
louiz’ committed
244
  this->doc_open = false;
245 246 247 248
}

void XmppComponent::handle_handshake(const Stanza& stanza)
{
249
  (void)stanza;
250
  this->authenticated = true;
251 252
  this->ever_auth = true;
  this->last_auth = true;
louiz’'s avatar
louiz’ committed
253
  log_info("Authenticated with the XMPP server");
254
}
255 256 257

void XmppComponent::handle_presence(const Stanza& stanza)
{
258
  std::string from;
259 260 261
  std::string id;
  try {
    id = stanza["id"];
262
    from = stanza["from"];
263
  } catch (const AttributeNotFound&) {}
264 265 266 267
  if (from.empty())
    return;
  utils::ScopeGuard malformed_stanza_error([&](){
      this->send_stanza_error("presence", from, this->served_hostname, id,
268 269
                              "modify", "bad-request", "");
        });
270 271 272
  Bridge* bridge = this->get_user_bridge(stanza["from"]);
  Jid to(stanza["to"]);
  Iid iid(to.local);
louiz’'s avatar
louiz’ committed
273 274 275 276 277
  std::string type;
  try {
    type = stanza["type"];
  }
  catch (const AttributeNotFound&) {}
278 279 280 281 282 283 284 285 286 287
  malformed_stanza_error.disable();

  // An error stanza is sent whenever we exit this function without
  // disabling this scopeguard.  If error_type and error_name are not
  // changed, the error signaled is internal-server-error. Change their
  // value to signal an other kind of error. For example
  // feature-not-implemented, etc.  Any non-error process should reach the
  // stanza_error.disable() call at the end of the function.
  std::string error_type("cancel");
  std::string error_name("internal-server-error");
288
  utils::ScopeGuard stanza_error([&](){
289 290 291
      this->send_stanza_error("presence", stanza["from"], stanza["to"], id,
                              error_type, error_name, "");
        });
louiz’'s avatar
louiz’ committed
292

louiz’'s avatar
louiz’ committed
293 294 295
  if (!iid.server.empty())
    { // presence toward a MUC that corresponds to an irc channel, or a
      // dummy channel if iid.chan is empty
louiz’'s avatar
louiz’ committed
296
      if (type.empty())
louiz’'s avatar
louiz’ committed
297 298 299 300
        {
          const std::string own_nick = bridge->get_own_nick(iid);
          if (!own_nick.empty() && own_nick != to.resource)
            bridge->send_irc_nick_change(iid, to.resource);
301
          bridge->join_irc_channel(iid, to.resource);
louiz’'s avatar
louiz’ committed
302
        }
louiz’'s avatar
louiz’ committed
303 304
      else if (type == "unavailable")
        {
305
          XmlNode* status = stanza.get_child(COMPONENT_NS":status");
louiz’'s avatar
louiz’ committed
306 307 308
          bridge->leave_irc_channel(std::move(iid), status ? std::move(status->get_inner()) : "");
        }
    }
309 310 311 312 313 314
  else
    {
      // An user wants to join an invalid IRC channel, return a presence error to him
      if (type.empty())
        this->send_invalid_room_error(to.local, to.resource, stanza["from"]);
    }
315
  stanza_error.disable();
316 317
}

louiz’'s avatar
louiz’ committed
318 319
void XmppComponent::handle_message(const Stanza& stanza)
{
320
  std::string from;
321 322 323
  std::string id;
  try {
    id = stanza["id"];
324
    from = stanza["from"];
325
  } catch (const AttributeNotFound&) {}
326 327 328 329
  if (from.empty())
    return;
  utils::ScopeGuard malformed_stanza_error([&](){
      this->send_stanza_error("message", from, this->served_hostname, id,
330 331
                              "modify", "bad-request", "");
        });
louiz’'s avatar
louiz’ committed
332 333 334
  Bridge* bridge = this->get_user_bridge(stanza["from"]);
  Jid to(stanza["to"]);
  Iid iid(to.local);
335 336 337 338
  std::string type;
  try {
    type = stanza["type"];
  }
339 340 341
  catch (const AttributeNotFound&) {
    type = "normal";
  }
342 343 344 345
  malformed_stanza_error.disable();

  std::string error_type("cancel");
  std::string error_name("internal-server-error");
346
  utils::ScopeGuard stanza_error([&](){
347 348 349
      this->send_stanza_error("message", stanza["from"], stanza["to"], id,
                              error_type, error_name, "");
        });
350
  XmlNode* body = stanza.get_child(COMPONENT_NS":body");
351
  if (type == "groupchat")
louiz’'s avatar
louiz’ committed
352 353 354 355
    {
      if (to.resource.empty())
        if (body && !body->get_inner().empty())
          bridge->send_channel_message(iid, body->get_inner());
356 357 358
      XmlNode* subject = stanza.get_child(COMPONENT_NS":subject");
      if (subject)
        bridge->set_channel_topic(iid, subject->get_inner());
louiz’'s avatar
louiz’ committed
359
    }
louiz’'s avatar
louiz’ committed
360 361 362 363 364
  else
    {
      if (body && !body->get_inner().empty())
        bridge->send_private_message(iid, body->get_inner());
    }
365
  stanza_error.disable();
louiz’'s avatar
louiz’ committed
366 367
}

368 369
void XmppComponent::handle_iq(const Stanza& stanza)
{
370
  std::string id;
371
  std::string from;
372 373
  try {
    id = stanza["id"];
374
    from = stanza["from"];
375
  } catch (const AttributeNotFound&) {}
376 377 378 379
  if (from.empty())
    return;
  utils::ScopeGuard malformed_stanza_error([&](){
      this->send_stanza_error("iq", from, this->served_hostname, id,
380 381
                              "modify", "bad-request", "");
        });
382 383
  Bridge* bridge = this->get_user_bridge(stanza["from"]);
  Jid to(stanza["to"]);
384 385 386 387 388
  std::string type = stanza["type"];
  malformed_stanza_error.disable();

  std::string error_type("cancel");
  std::string error_name("internal-server-error");
389
  utils::ScopeGuard stanza_error([&](){
390 391 392
      this->send_stanza_error("iq", stanza["from"], stanza["to"], id,
                              error_type, error_name, "");
        });
393 394 395 396 397
  if (type == "set")
    {
      XmlNode* query;
      if ((query = stanza.get_child(MUC_ADMIN_NS":query")))
        {
398 399
          const XmlNode* child = query->get_child(MUC_ADMIN_NS":item");
          if (child)
400 401 402 403 404 405 406 407
            {
              std::string nick;
              std::string role;
              try {
                nick = (*child)["nick"];
                role = (*child)["role"];
              }
              catch (const AttributeNotFound&)
408 409 410 411 412
                {
                  error_type = "modify";
                  error_name = "bad-request";
                  return;
                }
413 414 415 416 417 418 419 420 421 422 423 424
              if (!nick.empty() && role == "none")
                {
                  std::string reason;
                  XmlNode* reason_el = child->get_child(MUC_ADMIN_NS":reason");
                  if (reason_el)
                    reason = reason_el->get_inner();
                  Iid iid(to.local);
                  bridge->send_irc_kick(iid, nick, reason);
                }
            }
        }
    }
425 426 427 428 429 430 431
  else
    {
      error_type = "cancel";
      error_name = "feature-not-implemented";
      return;
    }
  stanza_error.disable();
432 433
}

louiz’'s avatar
louiz’ committed
434 435 436 437 438 439 440 441 442
void XmppComponent::handle_error(const Stanza& stanza)
{
  XmlNode* text = stanza.get_child(STREAMS_NS":text");
  std::string error_message("Unspecified error");
  if (text)
    error_message = text->get_inner();
  log_error("Stream error received from the XMPP server: " << error_message);
}

443 444 445 446 447 448 449 450 451 452 453 454 455
Bridge* XmppComponent::get_user_bridge(const std::string& user_jid)
{
  try
    {
      return this->bridges.at(user_jid).get();
    }
  catch (const std::out_of_range& exception)
    {
      this->bridges.emplace(user_jid, std::make_unique<Bridge>(user_jid, this, this->poller));
      return this->bridges.at(user_jid).get();
    }
}

456 457 458 459 460
void* XmppComponent::get_receive_buffer(const size_t size) const
{
  return this->parser.get_buffer(size);
}

461
void XmppComponent::send_message(const std::string& from, Xmpp::body&& body, const std::string& to)
462 463 464 465 466
{
  XmlNode node("message");
  node["to"] = to;
  node["from"] = from + "@" + this->served_hostname;
  XmlNode body_node("body");
467
  body_node.set_inner(std::get<0>(body));
468 469 470 471 472 473
  body_node.close();
  node.add_child(std::move(body_node));
  node.close();
  this->send_stanza(node);
}

474 475 476
void XmppComponent::send_user_join(const std::string& from,
                                   const std::string& nick,
                                   const std::string& realjid,
477 478 479 480
                                   const std::string& affiliation,
                                   const std::string& role,
                                   const std::string& to,
                                   const bool self)
481 482 483 484 485 486
{
  XmlNode node("presence");
  node["to"] = to;
  node["from"] = from + "@" + this->served_hostname + "/" + nick;

  XmlNode x("x");
487
  x["xmlns"] = MUC_USER_NS;
488 489

  XmlNode item("item");
490 491 492 493
  if (!affiliation.empty())
    item["affiliation"] = affiliation;
  if (!role.empty())
    item["role"] = role;
494 495 496 497 498 499
  if (!realjid.empty())
    {
      const std::string preped_jid = jidprep(realjid);
      if (!preped_jid.empty())
        item["jid"] = preped_jid;
    }
500
  item.close();
501
  x.add_child(std::move(item));
502

503 504 505 506 507 508 509
  if (self)
    {
      XmlNode status("status");
      status["code"] = "110";
      status.close();
      x.add_child(std::move(status));
    }
510 511 512 513 514 515
  x.close();
  node.add_child(std::move(x));
  node.close();
  this->send_stanza(node);
}

516 517 518 519 520 521 522 523 524 525 526 527 528 529
void XmppComponent::send_invalid_room_error(const std::string& muc_name,
                                            const std::string& nick,
                                            const std::string& to)
{
  Stanza presence("presence");
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + nick;
  presence["to"] = to;
  presence["type"] = "error";
  XmlNode x("x");
  x["xmlns"] = MUC_NS;
  x.close();
  presence.add_child(std::move(x));
  XmlNode error("error");
  error["by"] = muc_name + "@" + this->served_hostname;
louiz’'s avatar
Idem  
louiz’ committed
530
  error["type"] = "cancel";
louiz’'s avatar
louiz’ committed
531 532 533 534
  XmlNode item_not_found("item-not-found");
  item_not_found["xmlns"] = STANZA_NS;
  item_not_found.close();
  error.add_child(std::move(item_not_found));
535 536 537 538 539 540 541 542 543 544 545 546 547 548
  XmlNode text("text");
  text["xmlns"] = STANZA_NS;
  text["xml:lang"] = "en";
  text.set_inner(muc_name +
                 " is not a valid IRC channel name. A correct room jid is of the form: #<chan>%<server>@" +
                 this->served_hostname);
  text.close();
  error.add_child(std::move(text));
  error.close();
  presence.add_child(std::move(error));
  presence.close();
  this->send_stanza(presence);
}

549
void XmppComponent::send_topic(const std::string& from, Xmpp::body&& topic, const std::string& to)
550 551 552 553 554 555
{
  XmlNode message("message");
  message["to"] = to;
  message["from"] = from + "@" + this->served_hostname;
  message["type"] = "groupchat";
  XmlNode subject("subject");
556
  subject.set_inner(std::get<0>(topic));
557 558 559 560 561
  subject.close();
  message.add_child(std::move(subject));
  message.close();
  this->send_stanza(message);
}
louiz’'s avatar
louiz’ committed
562

563
void XmppComponent::send_muc_message(const std::string& muc_name, const std::string& nick, Xmpp::body&& xmpp_body, const std::string& jid_to)
louiz’'s avatar
louiz’ committed
564 565 566
{
  Stanza message("message");
  message["to"] = jid_to;
louiz’'s avatar
louiz’ committed
567 568 569 570
  if (!nick.empty())
    message["from"] = muc_name + "@" + this->served_hostname + "/" + nick;
  else // Message from the room itself
    message["from"] = muc_name + "@" + this->served_hostname;
louiz’'s avatar
louiz’ committed
571 572
  message["type"] = "groupchat";
  XmlNode body("body");
573
  body.set_inner(std::get<0>(xmpp_body));
louiz’'s avatar
louiz’ committed
574 575
  body.close();
  message.add_child(std::move(body));
576 577 578 579 580 581 582 583 584
  if (std::get<1>(xmpp_body))
    {
      XmlNode html("html");
      html["xmlns"] = XHTMLIM_NS;
      // Pass the ownership of the pointer to this xmlnode
      html.add_child(std::get<1>(xmpp_body).release());
      html.close();
      message.add_child(std::move(html));
    }
louiz’'s avatar
louiz’ committed
585 586 587
  message.close();
  this->send_stanza(message);
}
louiz’'s avatar
louiz’ committed
588

589
void XmppComponent::send_muc_leave(std::string&& muc_name, std::string&& nick, Xmpp::body&& message, const std::string& jid_to, const bool self)
louiz’'s avatar
louiz’ committed
590 591 592 593 594
{
  Stanza presence("presence");
  presence["to"] = jid_to;
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + nick;
  presence["type"] = "unavailable";
595
  const std::string message_str = std::get<0>(message);
596
  if (!message_str.empty() || self)
louiz’'s avatar
louiz’ committed
597 598
    {
      XmlNode status("status");
599 600
      if (!message_str.empty())
        status.set_inner(message_str);
louiz’'s avatar
louiz’ committed
601 602 603 604 605 606 607 608
      if (self)
        status["code"] = "110";
      status.close();
      presence.add_child(std::move(status));
    }
  presence.close();
  this->send_stanza(presence);
}
louiz’'s avatar
louiz’ committed
609

610 611 612 613 614 615 616
void XmppComponent::send_nick_change(const std::string& muc_name,
                                     const std::string& old_nick,
                                     const std::string& new_nick,
                                     const std::string& affiliation,
                                     const std::string& role,
                                     const std::string& jid_to,
                                     const bool self)
louiz’'s avatar
louiz’ committed
617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643
{
  Stanza presence("presence");
  presence["to"] = jid_to;
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + old_nick;
  presence["type"] = "unavailable";
  XmlNode x("x");
  x["xmlns"] = MUC_USER_NS;
  XmlNode item("item");
  item["nick"] = new_nick;
  item.close();
  x.add_child(std::move(item));
  XmlNode status("status");
  status["code"] = "303";
  status.close();
  x.add_child(std::move(status));
  if (self)
    {
      XmlNode status2("status");
      status2["code"] = "110";
      status2.close();
      x.add_child(std::move(status2));
    }
  x.close();
  presence.add_child(std::move(x));
  presence.close();
  this->send_stanza(presence);

644
  this->send_user_join(muc_name, new_nick, "", affiliation, role, jid_to, self);
louiz’'s avatar
louiz’ committed
645
}
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681

void XmppComponent::kick_user(const std::string& muc_name,
                                  const std::string& target,
                                  const std::string& txt,
                                  const std::string& author,
                                  const std::string& jid_to)
{
  Stanza presence("presence");
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + target;
  presence["to"] = jid_to;
  presence["type"] = "unavailable";
  XmlNode x("x");
  x["xmlns"] = MUC_USER_NS;
  XmlNode item("item");
  item["affiliation"] = "none";
  item["role"] = "none";
  XmlNode actor("actor");
  actor["nick"] = author;
  actor["jid"] = author; // backward compatibility with old clients
  actor.close();
  item.add_child(std::move(actor));
  XmlNode reason("reason");
  reason.set_inner(txt);
  reason.close();
  item.add_child(std::move(reason));
  item.close();
  x.add_child(std::move(item));
  XmlNode status("status");
  status["code"] = "307";
  status.close();
  x.add_child(std::move(status));
  x.close();
  presence.add_child(std::move(x));
  presence.close();
  this->send_stanza(presence);
}
682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706

void XmppComponent::send_nickname_conflict_error(const std::string& muc_name,
                                                 const std::string& nickname,
                                                 const std::string& jid_to)
{
  Stanza presence("presence");
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + nickname;
  presence["to"] = jid_to;
  XmlNode x("x");
  x["xmlns"] = MUC_NS;
  x.close();
  presence.add_child(std::move(x));
  XmlNode error("error");
  error["by"] = muc_name + "@" + this->served_hostname;
  error["type"] = "cancel";
  error["code"] = "409";
  XmlNode conflict("conflict");
  conflict["xmlns"] = STANZA_NS;
  conflict.close();
  error.add_child(std::move(conflict));
  error.close();
  presence.add_child(std::move(error));
  presence.close();
  this->send_stanza(presence);
}
707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728

void XmppComponent::send_affiliation_role_change(const std::string& muc_name,
                                                 const std::string& target,
                                                 const std::string& affiliation,
                                                 const std::string& role,
                                                 const std::string& jid_to)
{
  Stanza presence("presence");
  presence["from"] = muc_name + "@" + this->served_hostname + "/" + target;
  presence["to"] = jid_to;
  XmlNode x("x");
  x["xmlns"] = MUC_USER_NS;
  XmlNode item("item");
  item["affiliation"] = affiliation;
  item["role"] = role;
  item.close();
  x.add_child(std::move(item));
  x.close();
  presence.add_child(std::move(x));
  presence.close();
  this->send_stanza(presence);
}