Uplink/Uplink.class.php

   1 <?php
   2 /********************************* PHP-P10 ******************************
   3  *    P10 uplink class by pk910   (c)2011 pk910                         *
   4  ************************************************************************
   5  *                          Version 2 (OOP)                             *
   6  *                                                                      *
   7  * PHP-P10 is free software; you can redistribute it and/or modify      *
   8  * it under the terms of the GNU General Public License as published by *
   9  * the Free Software Foundation; either version 2 of the License, or    *
  10  * (at your option) any later version.                                  *
  11  *                                                                      *
  12  * This program is distributed in the hope that it will be useful,      *
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  15  * GNU General Public License for more details.                         *
  16  *                                                                      *
  17  * You should have received a copy of the GNU General Public License    *
  18  * along with PHP-P10; if not, write to the Free Software Foundation,   *
  19  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.       *
  20  *                                                                      *
  21  ************************************************************************
  22  *
  23  *  Uplink/Uplink.class.php
  24  *
  25  * This file contains the basic P10 Protocol handler.
  26  *
  27  ************************************************************************
  28  * accessable methods:
  29  *
  30  * void initialize()
  31  *     has to be called after the settings have been set.
  32  *
  33  * void loop()
  34  *     loop function that should be calles as many times as possible.
  35  *     It reads from the socket and BLOCKS the script execution for a
  36  *     specific time if nothing is received.
  37  *
  38  * void setUplinkHost(String $host, int $port, bool $ssl = false, String $bind = null)
  39  *     sets the Uplink connection information.
  40  *
  41  * void setLoopTimeout(int $timeout)
  42  *     sets the maximum time loop() is blocking the script execution.
  43  *
  44  * void setUplinkServer(int $numeric, String $name, String $password, String $description)
  45  *     sets the own P10 Server information.
  46  *
  47  * void setValidateServer(String $name, String $password)
  48  *     sets additional security relevant information about the remote server.
  49  *
  50  * void setHISOptions(String $serverName, String $serverDescription String $usermask)
  51  *     sets the default Account fakehost
  52  *
  53  * void setEventHandler(EventHandler $event_handler)
  54  *     sets the EventHandlder
  55  */
  56 require_once("Client.class.php");
  57 require_once("Numerics.class.php");
  58 require_once("P10Formatter.class.php");
  59 require_once("P10_Server.class.php");
  60 require_once("P10_User.class.php");
  61 require_once("P10_Channel.class.php");
  62 require_once("P10_ModeSets.class.php");
  63 require_once("EventHandler.interface.php");
  64
  65 $e=1;
  66 define("ERR_NICK_IN_USE", $e++);
  67 define("ERR_INVALID_USER", $e++);
  68 define("ERR_INVALID_CHANNAME", $e++);
  69 define("ERR_NOT_CONNECTED", $e++);
  70 define("ERR_NOT_ON_CHANNEL", $e++);
  71
  72 class Uplink {
  73         private $client;
  74         private $settings = array();
  75         private $server;
  76         private $eventHandler = null;
  77         private $last_local_numeric = 1;
  78
  79         const FLAG_P10SESSION      = 0x0001; //connection is in P10 mode (server is connected)
  80         const FLAG_SECURITY_QUIT   = 0x0002; //local connection abort because of security issues
  81         const FLAG_NOT_CONNECTABLE = 0x0004; //remote server is not connectable
  82         const FLAG_BURST_PENDING   = 0x0008; //we still have to burst
  83         const FLAG_CONNECTED       = 0x0010; //connected and synced (ready)
  84         const FLAG_GOT_PASS        = 0x0020; //got PASS from the remote Server
  85         private $flags = 0;
  86
  87         public function __construct() {
  88                 $this->client = new Client();
  89                 $this->setSetting("recv_timeout", 1000);
  90                 $this->setSetting("his_usermask", "user.NoMask");
  91         }
  92
  93         public function initialize() {
  94                 if($this->server) {
  95                         trigger_error("Uplink already initialized.", E_USER_ERROR);
  96                         return;
  97                 }
  98                 $self_numeric = $this->getSetting("numeric");
  99                 $self_name = $this->getSetting("name");
 100                 $self_description = $this->getSetting("description");
 101                 if(!$self_numeric || !$self_name) {
 102                         trigger_error("Server Settings missing.", E_USER_ERROR);
 103                         return;
 104                 }
 105                 $this->server = new P10_Server($self_name, $self_numeric, null, time(), time(), $self_description);
 106         }
 107
 108         public function loop() {
 109                 if($this->server == null) {
 110                         trigger_error("Uplink not initialized.", E_USER_ERROR);
 111                         return;
 112                 }
 113                 if(!$this->client->connected()) {
 114                         if(($this->flags & self::FLAG_P10SESSION)) {
 115                                 //Server got disconnected
 116                                 $this->server->disconnectServer($this->eventHandler, true);
 117                                 $this->flags &= ~self::FLAG_P10SESSION;
 118                         }
 119                         $host = $this->getSetting("host");
 120                         $port = $this->getSetting("port");
 121                         if($host == null || $port == null) {
 122                                 trigger_error("Uplink Settings missing.", E_USER_ERROR);
 123                                 return;
 124                         }
 125                         if(($this->flags & self::FLAG_SECURITY_QUIT) || ($this->flags & self::FLAG_NOT_CONNECTABLE)) {
 126                                 sleep(1);
 127                         }
 128                         $state = $this->client->connect($host, $port, $this->getSetting("bind"), $this->getSetting("ssl"), $this->getSetting("recv_timeout"));
 129                         if(!$state) {
 130                                 usleep($this->getSetting("recv_timeout") / 1000);
 131                                 $this->flags |= self::FLAG_NOT_CONNECTABLE;
 132                                 return;
 133                         }
 134                         $this->flags = 0;
 135                         $this->loginServer();
 136                 }
 137                 //try to receive new data from the Uplink
 138                 $lines = $this->client->recv();
 139                 if($lines == null) return;
 140                 foreach($lines as $line) {
 141                         $this->parseLine($line);
 142                 }
 143         }
 144
 145         public function setUplinkHost($host, $port, $ssl = false, $bind = null) {
 146                 $this->setSetting("host", $host);
 147                 $this->setSetting("port", $port);
 148                 $this->setSetting("ssl", $ssl);
 149                 $this->setSetting("bind", $bind);
 150         }
 151
 152         public function setLoopTimeout($timeout) {
 153                 $this->setSetting("recv_timeout", $timeout);
 154         }
 155
 156         public function setUplinkServer($numeric, $name, $password, $description) {
 157                 $this->setSetting("numeric", Numerics::intToNum($numeric, 2));
 158                 $this->setSetting("name", $name);
 159                 $this->setSetting("password", $password);
 160                 $this->setSetting("description", $description);
 161         }
 162
 163         public function setValidateServer($name, $password) {
 164                 $this->setSetting("their_name", $name);
 165                 $this->setSetting("their_password", $password);
 166         }
 167
 168         public function setHISOptions($servername, $serverdesc, $usermask) {
 169                 $this->setSetting("his_name", $servername);
 170                 $this->setSetting("his_desc", $serverdesc);
 171                 $this->setSetting("his_usermask", $usermask);
 172         }
 173
 174         public function setEventHandler($event_handler) {
 175                 if(!is_a($event_handler, "EventHandler")) {
 176                         trigger_error((is_object($event_handler) ? get_class($event_handler) : gettype($event_handler))." is NOT a valid EventHandler.", E_USER_ERROR);
 177                         return;
 178                 }
 179                 $this->eventHandler = $event_handler;
 180         }
 181
 182         private function setSetting($setting, $value) {
 183                 $this->settings[$setting] = $value;
 184         }
 185
 186         private function getSetting($setting) {
 187                 if(array_key_exists($setting, $this->settings)) {
 188                         return $this->settings[$setting];
 189                 } else {
 190                         return null;
 191                 }
 192         }
 193
 194         private function loginServer() {
 195                 $password = $this->getSetting("password");
 196                 $this->send("PASS", $password);
 197                 $this->send("SERVER", $this->server->getName(), $this->server->getStartTime(), $this->server->getLinkTime(), $this->server->getNumeric(), $this->server->getDescription());
 198         }
 199
 200         private function parseLine($line) {
 201                 $highExplode = explode(" :", $line, 2);
 202                 $tokens = explode(" ", $highExplode[0]);
 203                 if(count($highExplode) > 1)
 204                         $tokens[] = $highExplode[1];
 205                 $cmdPos = (($this->flags & self::FLAG_P10SESSION) ? 1 : 0);
 206                 if($cmdPos == 1) $from = $tokens[0];
 207                 else $from = null;
 208                 $arguments = array_slice($tokens, $cmdPos + 1);
 209                 if(($this->flags & self::FLAG_P10SESSION) && $this->eventHandler) {
 210                         $this->eventHandler->event_preparse($from, strtoupper($tokens[$cmdPos]), $arguments);
 211                 }
 212                 switch(strtoupper($tokens[$cmdPos])) {
 213                 //pre P10 Session
 214                         case "PASS":
 215                                 $this->recv_pass($from, $arguments);
 216                                 break;
 217                         case "SERVER":
 218                                 $this->recv_server($from, $arguments);
 219                                 break;
 220                         case "ERROR":
 221                                 $this->recv_error($from, $arguments);
 222                                 break;
 223                 //P10 Session
 224                         case "S":
 225                                 $this->recv_server($from, $arguments);
 226                                 break;
 227                         case "G":
 228                                 $this->recv_ping($from, $arguments);
 229                                 break;
 230                         case "N":
 231                                 $this->recv_nick($from, $arguments);
 232                                 break;
 233                         case "EB":
 234                                 $this->recv_end_of_burst($from, $arguments);
 235                                 break;
 236                         case "EA":
 237                                 $this->recv_end_of_burst_ack($from, $arguments);
 238                                 break;
 239                         case "SQ":
 240                                 $this->recv_server_quit($from, $arguments);
 241                                 break;
 242                         case "Q":
 243                                 $this->recv_quit($from, $arguments);
 244                                 break;
 245                         case "B":
 246                                 $this->recv_burst($from, $arguments);
 247                                 break;
 248                         case "J":
 249                         case "C":
 250                                 $this->recv_join($from, $arguments);
 251                                 break;
 252                         case "L":
 253                                 $this->recv_part($from, $arguments);
 254                                 break;
 255                         case "K":
 256                                 $this->recv_kick($from, $arguments);
 257                                 break;
 258                         case "D":
 259                                 $this->recv_kill($from, $arguments);
 260                                 break;
 261                         case "P":
 262                                 $this->recv_privmsg($from, $arguments);
 263                                 break;
 264                         case "O":
 265                                 $this->recv_notice($from, $arguments);
 266                                 break;
 267                         case "W":
 268                                 $this->recv_whois($from, $arguments);
 269                                 break;
 270                 //default
 271                         default:
 272                                 //unknown cmd
 273                                 if($this->eventHandler)
 274                                         $this->eventHandler->event_unknown_cmd($from, strtoupper($tokens[$cmdPos]), $arguments);
 275                                 break;
 276                 }
 277         }
 278
 279         private function send($command) {
 280                 if(func_num_args() > 1) {
 281                         $args = array_slice(func_get_args(), 1);
 282                         $command = P10Formatter::formatCMD($this->getSetting("numeric"), $command, $args);
 283                 } else {
 284                         $command = P10Formatter::formatCMD($this->getSetting("numeric"), $command, array());
 285                 }
 286                 $this->client->send($command);
 287         }
 288
 289         /********************************************************************************************
 290          *                                     INCOMING COMMANDS                                    *
 291          ********************************************************************************************/
 292
 293         private function recv_pass($from, $args) {
 294                 $their_pass = $this->getSetting("their_password");
 295                 if($their_pass) {
 296                         if($args[0] != $their_pass) {
 297                                 //security QUIT
 298                                 $this->flags |= self::FLAG_SECURITY_QUIT;
 299                                 $this->send("ERROR", "Incorrect password received.");
 300                                 $this->client->disconnect();
 301                                 return;
 302                         }
 303                         $this->flags |= self::FLAG_GOT_PASS;
 304                 }
 305         }
 306
 307         private function recv_error($from, $args) {
 308                 //we received an error - the socket is dead for us, now
 309                 //maybe we want to log this, later
 310                 $this->client->disconnect();
 311         }
 312
 313         private function recv_server($from, $args) {
 314                 if($from == null) {
 315                         //our uplink Server
 316                         $their_name = $this->getSetting("their_name");
 317                         if($their_name && $args[0] != $their_name) {
 318                                 $this->flags |= self::FLAG_SECURITY_QUIT;
 319                                 $this->send("ERROR", "Invalid Server name");
 320                                 $this->client->disconnect();
 321                                 return;
 322                         }
 323                         if($this->getSetting("their_password") && !($this->flags & self::FLAG_GOT_PASS)) {
 324                                 $this->flags |= self::FLAG_SECURITY_QUIT;
 325                                 $this->send("ERROR", "PASS missing.");
 326                                 $this->client->disconnect();
 327                                 return;
 328                         }
 329                         $new_server = new P10_Server($args[0], substr($args[5],0,2), $this->server, $args[2], $args[3], $args[7]);
 330                         $this->server->addServer($new_server);
 331                         $this->flags |= self::FLAG_P10SESSION | self::FLAG_BURST_PENDING;
 332                         if($this->eventHandler)
 333                                 $this->eventHandler->event_newserver($new_server, !($this->flags & self::FLAG_CONNECTED));
 334                 } else {
 335                         //another server got a new slave server ^^
 336                         $server = P10_Server::getServerByNum($from);
 337                         if($server == null) {
 338                                 trigger_error("Parent Server (".$from.") does not exist or was not found on recv_server.", E_USER_ERROR);
 339                                 return;
 340                         }
 341                         $new_server = new P10_Server($args[0], substr($args[5],0,2), $server, $args[2], $args[3], $args[7]);
 342                         $server->addServer($new_server);
 343                         if($this->eventHandler)
 344                                 $this->eventHandler->event_newserver($new_server, !($this->flags & self::FLAG_CONNECTED));
 345                 }
 346         }
 347
 348         private function recv_ping($from, $args) {
 349                 $this->send("Z", $args[0]); //simply PONG
 350         }
 351
 352         private function recv_nick($from, $args) {
 353                 if(count($args) <= 2) {
 354                         //Nick change
 355                         $user = P10_User::getUserByNum($from);
 356                         if($user == null) {
 357                                 trigger_error("Server tries to change the nick of an user that does not exist or was not found on recv_nick.", E_USER_ERROR);
 358                                 return;
 359                         }
 360                         if($this->eventHandler)
 361                                 $this->eventHandler->event_nick($user, $args[0]);
 362                         $user->setNick($args[0]);
 363                 } else {
 364                         //New User
 365                         $numeric = $args[count($args)-2];
 366                         $nick = $args[0];
 367                         $server = P10_Server::getServerByNum($from);
 368                         if($server == null) {
 369                                 trigger_error("Server (".$from.") the User (".$nick.") is coming from does not exist or was not found on recv_nick.", E_USER_ERROR);
 370                                 return;
 371                         }
 372                         if(substr($numeric,0,2) != $from) {
 373                                 trigger_error("A Server (".$from.") tries to connect a User with an invalid User numeric ('".$numeric."' does not belong to the Server)", E_USER_WARNING);
 374                         }
 375                         $connect_time = $args[2];
 376                         $ident = $args[3];
 377                         $host = $args[4];
 378                         $modes = implode(" ",array_slice($args, 5, count($args)-8));
 379                         $modes = new P10_UserModeSet($modes);
 380                         $ip = Numerics::parseIP($args[count($args)-3]);
 381                         $realname = $args[count($args)-1];
 382                         $user = new P10_User($nick, $numeric, $server, $connect_time, $ident, $host, $ip, $realname, $modes);
 383                         if($this->eventHandler)
 384                                 $this->eventHandler->event_connect($user, !($this->flags & self::FLAG_CONNECTED));
 385                 }
 386         }
 387
 388         private function recv_end_of_burst($from, $args) {
 389                 if(($this->flags & self::FLAG_BURST_PENDING)) {
 390                         $this->burst();
 391                         $this->send("EA");
 392                         $this->flags &= ~self::FLAG_BURST_PENDING;
 393                 }
 394         }
 395
 396         private function recv_end_of_burst_ack($from, $args) {
 397                 $this->flags |= self::FLAG_CONNECTED;
 398         }
 399
 400         private function recv_server_quit($from, $args) {
 401                 $server = P10_Server::getServerByName($args[0]);
 402                 if($server == null) {
 403                         trigger_error("Server (".$args[0].") not found.", E_USER_ERROR);
 404                         return;
 405                 }
 406                 $server->disconnectServer($this->eventHandler);
 407         }
 408
 409         private function recv_quit($from, $args) {
 410                 $user = P10_User::getUserByNum($from);
 411                 if($user == null) {
 412                         trigger_error("Server tries to quit an user that does not exist or was not found on recv_quit.", E_USER_ERROR);
 413                         return;
 414                 }
 415                 if($this->eventHandler)
 416                         $this->eventHandler->event_quit($user, $args[0]);
 417                 $user->quit($args[0]);
 418         }
 419
 420         private function recv_burst($from, $args) {
 421                 $name = $args[0];
 422                 $create_time = $args[1];
 423                 $channel = P10_Channel::getChannelByName($name);
 424                 if($channel == null)
 425                         $channel = new P10_Channel($name);
 426                 $channel->setCreateTime($create_time);
 427                 $modes = $channel->getModes();
 428                 $userstr = $args[count($args)-1];
 429                 $modeparamcount = count($args)-3;
 430                 if($userstr[0] == "%") {
 431                         //ban list
 432                         $banlist = explode(" ", substr($userstr, 1));
 433                         foreach($banlist as $ban) {
 434                                 //TODO: save bans
 435                         }
 436                         $userstr = $args[count($args)-2];
 437                         $modeparamcount--;
 438                 }
 439                 if($userstr[0] == "+") { //MODE String
 440                         $modeparamcount++;
 441                         $userstr = "";
 442                 }
 443                 $users = explode(",",$userstr);
 444                 $isop = false; $isvoice = false;
 445                 foreach($users as $user) {
 446                         if($user == "") continue;
 447                         $uexp = explode(":", $user);
 448                         if(strlen($uexp[0]) != 5) {
 449                                 trigger_error("burst parse error: '".$uexp[0]."' is not an user numeric.", E_USER_ERROR);
 450                                 return;
 451                         }
 452                         if(count($uexp) > 1) {
 453                                 $isop = false;
 454                                 $isvoice = false;
 455                                 for($i = 0; $i < strlen($uexp[1]); $i++) {
 456                                         if($uexp[1][0] == "@") $isop = true;
 457                                         if($uexp[1][0] == "+") $isvoice = true;
 458                                 }
 459                         }
 460                         $user = P10_User::getUserByNum($uexp[0]);
 461                         if($user == null) {
 462                                 trigger_error("burst parse error: cant find User '".$uexp[0]."'.", E_USER_ERROR);
 463                                 return;
 464                         }
 465                         $channel->burstUser($user, $isop, $isvoice);
 466                         if($this->eventHandler)
 467                                 $this->eventHandler->event_join($user, $channel, true);
 468                 }
 469                 $modes->parseModes(implode(array_slice($args, 2, $modeparamcount)));
 470         }
 471
 472         private function recv_join($from, $args) {
 473                 $user = P10_User::getUserByNum($from);
 474                 if($user == null) {
 475                         trigger_error("Server tries to join an user that does not exist or was not found on recv_join.", E_USER_ERROR);
 476                         return;
 477                 }
 478                 $channel = P10_Channel::getChannelByName($args[0]);
 479                 if($channel == null)
 480                         $channel = new P10_Channel($args[0]);
 481                 $channel->joinUser($user);
 482                 if($this->eventHandler)
 483                         $this->eventHandler->event_join($user, $channel, false);
 484         }
 485
 486         private function recv_part($from, $args) {
 487                 $user = P10_User::getUserByNum($from);
 488                 if($user == null) {
 489                         trigger_error("Server tries to part an user that does not exist or was not found on recv_join.", E_USER_ERROR);
 490                         return;
 491                 }
 492                 $channel = P10_Channel::getChannelByName($args[0]);
 493                 if($channel == null)
 494                         $channel = new P10_Channel($args[0]);
 495                 if($this->eventHandler)
 496                         $this->eventHandler->event_part($user, $channel, $args[1]);
 497                 $channel->partUser($user);
 498         }
 499
 500         private function recv_kick($from, $args) {
 501                 $user = P10_User::getUserByNum($from);
 502                 if($user == null) {
 503                         trigger_error("An unknown user tries to kick another user on recv_kick.", E_USER_ERROR);
 504                         return;
 505                 }
 506                 $channel = P10_Channel::getChannelByName($args[0]);
 507                 if($channel == null)
 508                         $channel = new P10_Channel($args[0]);
 509                 $target = P10_User::getUserByNum($args[1]);
 510                 if($target == null) {
 511                         trigger_error("Someone tries to kick an user that does not exist or was not found on recv_kick.", E_USER_ERROR);
 512                         return;
 513                 }
 514                 if($this->eventHandler)
 515                         $this->eventHandler->event_kick($user, $target, $channel, $args[1]);
 516                 $channel->partUser($user);
 517         }
 518
 519         private function recv_kill($from, $args) {
 520                 $user = P10_User::getUserByNum($args[0]);
 521                 if($user == null) {
 522                         trigger_error("Server tries to kill an user that does not exist or was not found on recv_quit.", E_USER_ERROR);
 523                         return;
 524                 }
 525                 if($this->eventHandler)
 526                         $this->eventHandler->event_quit($user, "Killed (".$args[1].")");
 527                 $user->quit($args[1]);
 528         }
 529
 530         private function recv_privmsg($from, $args) {
 531                 $user = P10_User::getUserByNum($from);
 532                 if($user == null) {
 533                         trigger_error("Server tries to send a privmsg from an user that does not exist or was not found on recv_privmsg.", E_USER_ERROR);
 534                         return;
 535                 }
 536                 if($this->eventHandler) {
 537                         if($args[0] == "#") {
 538                                 $channel = P10_Channel::getChannelByName($args[0]);
 539                                 if($channel == null)
 540                                         $channel = new P10_Channel($args[0]);
 541                                 $this->eventHandler->event_chanmessage($user, $channel, $args[1]);
 542                         } else {
 543                                 $targetUser = P10_User::getUserByNum($args[0]);
 544                                 if($targetUser == null) {
 545                                         trigger_error("Server tries to send a privmsg to an user that does not exist or was not found on recv_privmsg.", E_USER_ERROR);
 546                                         return;
 547                                 }
 548                                 $this->eventHandler->event_privmessage($user, $targetUser, $args[1]);
 549                         }
 550                 }
 551         }
 552
 553         private function recv_notice($from, $args) {
 554                 $user = P10_User::getUserByNum($from);
 555                 if($user == null) {
 556                         trigger_error("Server tries to send a notice from an user that does not exist or was not found on recv_notice.", E_USER_ERROR);
 557                         return;
 558                 }
 559                 if($this->eventHandler) {
 560                         if($args[0] == "#") {
 561                                 $channel = P10_Channel::getChannelByName($args[0]);
 562                                 if($channel == null)
 563                                         $channel = new P10_Channel($args[0]);
 564                                 $this->eventHandler->event_channotice($user, $channel, $args[1]);
 565                         } else {
 566                                 $targetUser = P10_User::getUserByNum($args[0]);
 567                                 if($targetUser == null) {
 568                                         trigger_error("Server tries to send a notice to an user that does not exist or was not found on recv_notice.", E_USER_ERROR);
 569                                         return;
 570                                 }
 571                                 $this->eventHandler->event_privnotice($user, $targetUser, $args[1]);
 572                         }
 573                 }
 574         }
 575
 576         private function recv_whois($from, $args) {
 577                 /* [get] ACAAF W AX :NetworkServ */
 578                 $fromUser = P10_User::getUserByNum($from);
 579                 if($fromUser == null) {
 580                         trigger_error("Server tries to send a whois from an user that does not exist or was not found on recv_whois.", E_USER_ERROR);
 581                         return;
 582                 }
 583                 $users=explode(",",$args[1]);
 584                 foreach($users as $nick) {
 585                         $user = P10_User::getUserByNick($nick);
 586                         if(!$user) {
 587                                 $this->send("401", $from, $nick);
 588                                 continue;
 589                         }
 590                         $nick = $user->getNick();
 591                         $ident = $user->getIdent();
 592                         $hostmask = $user->getHost();
 593                         $modes = $user->getModes();
 594                         if($modes->hasMode('x')) {
 595                                 if(($fakehost = $modes->hasMode('f'))) {
 596                                         $hostmask = $fakehost;
 597                                 } elseif(($account = $modes->hasMode('r'))) {
 598                                         $hostmask = $account.".".$this->getSetting("his_usermask");
 599                                 }
 600                         }
 601                         $realname = $user->getRealname();
 602                         $this->send("311", $from , $nick, $ident, $hostmask, $realname);
 603                         if(((!$modes->hasMode('n') && !$modes->hasMode('k')) || $from == $user->getNumeric()) && count($user->getChannels()) != 0) {
 604                                 $channels = "";
 605                                 foreach($user->getChannels() as $channel) {
 606                                         $cmodes = $channel->getModes();
 607                                         $privs = $channel->getUserPrivs($user);
 608                                         if($cmodes->hasMode("s") && !$fromUser->isOnChannel($channel) && $from != $user->getNumeric()) continue;
 609                                         if($cmodes->hasMode("u") && ($privs & (P10_Channel::USERPRIV_OPED | P10_Channel::USERPRIV_VOICE)) == 0 && $from != $user->getNumeric()) continue;
 610                                         $chanstr = ($channels == "" ? "" : " ");
 611                                         $prefix = "";
 612                                         if(($privs & P10_Channel::USERPRIV_OPED)) {
 613                                                 $prefix = "@";
 614                                         } else if(($privs & P10_Channel::USERPRIV_VOICE)) {
 615                                                 $prefix = "+";
 616                                         }
 617                                         $chanstr .= $prefix.$channel->getName();
 618                                         if(strlen($channels) + strlen($chanstr) > 450) {
 619                                                 $this->send("319", $from, $nick, $channels);
 620                                                 $channels = $prefix.$channel->getName();
 621                                         }
 622                                 }
 623                                 if($channels != "") {
 624                                         $this->send("319", $from, $nick, $channels);
 625                                 }
 626                                 if($fromUser->getModes()->hasMode("o") || $from == $user->getNumeric() || !$this->getSetting("his_name")) {
 627                                         $this->send("312", $from, $nick, $user->getServer()->getName(), $user->getServer()->getDescription());
 628                                 } else {
 629                                         $this->send("312", $from, $nick, $this->getSetting("his_name"), $this->getSetting("his_desc"));
 630                                 }
 631                                 if($modes->hasMode("o") && (!$modes->hasMode("H") || $fromUser->getModes()->hasMode("o"))) {
 632                                         if($modes->hasMode("S")) {
 633                                                 if($modes->hasMode("D"))
 634                                                         $this->send("313", $from, $nick, "is a Network Service");
 635                                                 else
 636                                                         $this->send("313", $from, $nick, "is an illegal Network Service - HACKER!");
 637                                         } else
 638                                                 $this->send("313", $from, $nick, "is an IRC Operator");
 639                                 }
 640                                 if(($auth = $modes->hasMode("r"))) {
 641                                         $this->send("330", $from, $nick, $auth);
 642                                 }
 643                         }
 644                 }
 645                 $this->send("318", $from, $args[1]);
 646         }
 647
 648         /********************************************************************************************
 649          *                                     SERVER FUNCTIONS                                     *
 650          ********************************************************************************************/
 651
 652         private function burst() {
 653                 foreach($this->server->getUsers() as $user) {
 654                         $nick = $user->getNick();
 655                         $connect_time = $user->getConnectTime();
 656                         $ident = $user->getIdent();
 657                         $host = $user->getHost();
 658                         $modes = $user->getModes()->getModeString();
 659                         $ip = Numerics::numericFromIP($user->getIP());
 660                         $numeric = $user->getNumeric();
 661                         $realname = $user->getRealname();
 662                         $this->send("N", $nick, $connect_time, $ident, $host, $modes, $ip, $numeric, $realname);
 663                 }
 664                 foreach(P10_Channel::getChannels() as $channel) {
 665                         $sorted_users = array('ov' => array(), 'o' => array(), 'v' => array(), '-' => array());
 666                         $local_users = false;
 667                         foreach($channel->getUsers() as $user) {
 668                                 if(substr($user->getNumeric(), 0, 2) != $this->server->getNumeric()) continue; //skip users that are not on the local server
 669                                 $privs = $channel->getUserPrivs($user);
 670                                 $strPrivs = "";
 671                                 if(($privs & P10_Channel::USERPRIV_OPED)) $strPrivs .= "o";
 672                                 if(($privs & P10_Channel::USERPRIV_VOICE)) $strPrivs .= "v";
 673                                 if($strPrivs == "") $strPrivs = "-";
 674                                 $local_users = true;
 675                                 $sorted_users[$strPrivs][] = $user;
 676                         }
 677                         if(!$local_users && !$channel->getModes()->hasMode("z")) continue;
 678                         $userStr = "";
 679                         foreach($sorted_users['-'] as $user) {
 680                                 if($userStr != "") $userStr.=",";
 681                                 $userStr .= $user->getNumeric();
 682                         }
 683                         foreach($sorted_users['ov'] as $i => $user) {
 684                                 if($userStr != "") $userStr.=",";
 685                                 $userStr .= $user->getNumeric();
 686                                 if($i == 0) $userStr .= ":ov";
 687                         }
 688                         foreach($sorted_users['o'] as $i => $user) {
 689                                 if($userStr != "") $userStr.=",";
 690                                 $userStr .= $user->getNumeric();
 691                                 if($i == 0) $userStr .= ":o";
 692                         }
 693                         foreach($sorted_users['v'] as $i => $user) {
 694                                 if($userStr != "") $userStr.=",";
 695                                 $userStr .= $user->getNumeric();
 696                                 if($i == 0) $userStr .= ":v";
 697                         }
 698                         $banString = "";
 699                         //TODO: Build ban String
 700                         $burstString = "";
 701                         $modeString = $channel->getModes()->getModeString();
 702                         if($modeString != "+") {
 703                                 $burstString .= $modeString;
 704                         }
 705                         if($userStr != "") {
 706                                 if($burstString != "") $burstString .= " ";
 707                                 $burstString .= $userStr;
 708                         }
 709                         if($banString != "") {
 710                                 if($burstString != "") $burstString .= " ";
 711                                 $burstString .= ":%".$banString;
 712                         }
 713                         $this->send("B", $channel->getName(), $channel->getCreateTime(), $burstString);
 714                 }
 715                 $this->send("EB");
 716         }
 717
 718         /********************************************************************************************
 719          *                                    LOCAL USER FUNCTIONS                                  *
 720          ********************************************************************************************/
 721
 722         public function addUser($nick, $ident, $host, $ip, $modes, $realname) {
 723                 $user = P10_User::getUserByNick($nick);
 724                 if($user != null) return ERR_NICK_IN_USE;
 725                 $numeric = substr($this->server->getNumeric(),0,2).Numerics::intToNum($this->last_local_numeric, 3);
 726                 while(P10_User::getUserByNum($numeric)) {
 727                         $this->last_local_numeric++;
 728                         $numeric = substr($this->server->getNumeric(),0,2).Numerics::intToNum($this->last_local_numeric, 3);
 729                 }
 730                 $this->last_local_numeric++;
 731                 $user = new P10_User($nick, $numeric, $this->server, time(), $ident, $host, $ip, $realname, $modes);
 732                 if(($this->flags & self::FLAG_CONNECTED)) {
 733                         $ip = Numerics::numericFromIP($user->getIP());
 734                         $this->send("N", $nick, $user->getConnectTime(), $ident, $host, $user->getModes()->getModeString(), $ip, $numeric, $realname);
 735                 }
 736                 return $user;
 737         }
 738
 739         public function delUser($user, $reason) {
 740                 if(!is_a($user, "P10_User")) return ERR_INVALID_USER;
 741                 if($user->getServer() === $this->server) {
 742                         //local user (QUIT)
 743                         $user->quit($reason);
 744                         if(($this->flags & self::FLAG_CONNECTED))
 745                                 $this->send("Q", $user->getNumeric(), $reason);
 746                 } else {
 747                         //remote user (KILL)
 748                         if(!($this->flags & self::FLAG_CONNECTED))
 749                                 return ERR_NOT_CONNECTED;
 750                         if($this->eventHandler)
 751                                 $this->eventHandler->event_quit($user, "Killed (".$reason.")");
 752                         $user->quit("Killed (".$reason.")");
 753                         $name = ($this->getSetting('his_name') ? $this->getSetting('his_name') : $this->getSetting('name'));
 754
 755                         $this->send("D", $user->getNumeric(), $name, $reason);
 756                 }
 757         }
 758
 759         public function join($user, $chanName) {
 760                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 761                         return ERR_INVALID_USER;
 762                 if($chanName[0] != "#")
 763                         return ERR_INVALID_CHANNAME;
 764                 $channel = P10_Channel::getChannelByName($chanName);
 765                 if($channel == null)
 766                         $channel = new P10_Channel($chanName);
 767                 $channel->joinUser($user);
 768                 if(($this->flags & self::FLAG_CONNECTED))
 769                         $this->send("J", $user->getNumeric(), $chanName, time(), 0);
 770                 if($this->eventHandler)
 771                         $this->eventHandler->event_join($user, $channel, false);
 772         }
 773
 774         public function part($user, $chanName, $reason) {
 775                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 776                         return ERR_INVALID_USER;
 777                 if(!((is_string($chanName) && $chanName[0] == "#") || is_a($chanName, "P10_Channel")))
 778                         return ERR_INVALID_CHANNAME;
 779                 if(is_a($chanName, "P10_Channel"))
 780                         $channel = $chanName;
 781                 else
 782                         $channel = P10_Channel::getChannelByName($chanName);
 783                 if($channel == null)
 784                         $channel = new P10_Channel($chanName);
 785                 if(!$user->isOnChannel($channel))
 786                         return ERR_NOT_ON_CHANNEL;
 787                 if($this->eventHandler)
 788                         $this->eventHandler->event_part($user, $channel, $reason);
 789                 $channel->partUser($user, $reason);
 790                 if(($this->flags & self::FLAG_CONNECTED))
 791                         $this->send("L", $user->getNumeric(), $chanName, $reason);
 792         }
 793
 794         public function kick($user, $target, $chanName, $reason) {
 795                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 796                         return ERR_INVALID_USER;
 797                 if(!is_a($target, "P10_User"))
 798                         return ERR_INVALID_USER;
 799                 if(!((is_string($chanName) && $chanName[0] == "#") || is_a($chanName, "P10_Channel")))
 800                         return ERR_INVALID_CHANNAME;
 801                 if(is_a($chanName, "P10_Channel"))
 802                         $channel = $chanName;
 803                 else
 804                         $channel = P10_Channel::getChannelByName($chanName);
 805                 if($channel == null)
 806                         $channel = new P10_Channel($chanName);
 807                 if(!$target->isOnChannel($channel))
 808                         return ERR_NOT_ON_CHANNEL;
 809                 if($this->eventHandler)
 810                         $this->eventHandler->event_kick($user, $target, $channel, $reason);
 811                 $channel->partUser($target, $reason);
 812                 if(($this->flags & self::FLAG_CONNECTED))
 813                         $this->send("K", $user->getNumeric(), $chanName, $target->getNumeric(), $reason);
 814         }
 815
 816         public function privmsg($user, $target, $message) {
 817                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 818                         return ERR_INVALID_USER;
 819                 if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
 820                         return ERR_INVALID_USER;
 821                 if(is_a($target, "P10_Channel"))
 822                         $targetStr = $target->getName();
 823                 else if(is_a($target, "P10_User"))
 824                         $targetStr = $target->getNumeric();
 825                 else if($target[0] == "#")
 826                         $targetStr = $target;
 827                 else
 828                         $targetStr = P10_User::getUserByNick($target)->getNumeric();
 829
 830                 if($this->eventHandler) {
 831                         if($targetStr[0] == "#") {
 832                                 $channel = P10_Channel::getChannelByName($targetStr);
 833                                 if($channel == null)
 834                                         $channel = new P10_Channel($targetStr);
 835                                 $this->eventHandler->event_chanmessage($user, $channel, $message);
 836                         } else {
 837                                 $targetUser = P10_User::getUserByNum($targetStr);
 838                                 $this->eventHandler->event_privmessage($user, $targetUser, $message);
 839                         }
 840                 }
 841                 if(($this->flags & self::FLAG_CONNECTED))
 842                         $this->send("P", $user->getNumeric(), $targetStr, $message);
 843         }
 844
 845         public function notice($user, $target, $message) {
 846                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 847                         return ERR_INVALID_USER;
 848                 if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
 849                         return ERR_INVALID_USER;
 850                 if(is_a($target, "P10_Channel"))
 851                         $targetStr = $target->getName();
 852                 else if(is_a($target, "P10_User"))
 853                         $targetStr = $target->getNumeric();
 854                 else if($target[0] == "#")
 855                         $targetStr = $target;
 856                 else
 857                         $targetStr = P10_User::getUserByNick($target)->getNumeric();
 858
 859                 if($this->eventHandler) {
 860                         if($targetStr[0] == "#") {
 861                                 $channel = P10_Channel::getChannelByName($targetStr);
 862                                 if($channel == null)
 863                                         $channel = new P10_Channel($targetStr);
 864                                 $this->eventHandler->event_channotice($user, $channel, $message);
 865                         } else {
 866                                 $targetUser = P10_User::getUserByNum($targetStr);
 867                                 $this->eventHandler->event_privnotice($user, $targetUser, $message);
 868                         }
 869                 }
 870                 if(($this->flags & self::FLAG_CONNECTED))
 871                         $this->send("O", $user->getNumeric(), $targetStr, $message);
 872         }
 873
 874         public function mode($user, $target, $modes, $force = false) {
 875                 if(!is_a($user, "P10_User") || !($user->getServer() === $this->server))
 876                         return ERR_INVALID_USER;
 877                 if(!is_a($target, "P10_User") && !is_a($target, "P10_Channel") && !(is_string($target) && ($target[0] == "#" || P10_User::getUserByNick($target))))
 878                         return ERR_INVALID_USER;
 879                 if(is_a($target, "P10_Channel"))
 880                         $targetStr = $target->getName();
 881                 else if(is_a($target, "P10_User"))
 882                         $targetStr = $target->getNumeric();
 883                 else if($target[0] == "#")
 884                         $targetStr = $target;
 885                 else
 886                         $targetStr = P10_User::getUserByNick($target)->getNumeric();
 887
 888                 if($targetStr[0] == "#") {
 889                         $channel = P10_Channel::getChannelByName($targetStr);
 890                         if($channel == null)
 891                                 $channel = new P10_Channel($targetStr);
 892                         $modes = $channel->getModes()->setModes($modes);
 893                         if(($this->flags & self::FLAG_CONNECTED))
 894                                 $this->send(($force ? "OM" : "M"), $user->getNumeric(), $targetStr, $modes);
 895                         if($this->eventHandler)
 896                                 $this->eventHandler->event_chanmode(($force ? $this->server : $user), $channel, $modes);
 897                 } else {
 898                         $targetUser = P10_User::getUserByNum($targetStr);
 899                         if($targetUser->getServer() === $this->server) {
 900                                 //just do it :D
 901                                 $modes = $targetUser->getModes()->setModes($modes);
 902                                 if(($this->flags & self::FLAG_CONNECTED))
 903                                         $this->send("M", $targetUser->getNumeric(), $targetUser->getNick(), $modes);
 904                                 if($this->eventHandler)
 905                                         $this->eventHandler->event_usermode($targetUser, $modes);
 906                         } else {
 907                                 //SVSMODE
 908                                 if(($this->flags & self::FLAG_CONNECTED))
 909                                         $this->send("SM", $user->getNumeric(), $targetUser->getNumeric(), $modes);
 910                         }
 911                 }
 912         }
 913
 914
 915
 916 }
 917
 918 ?>