ILIAS Release_3_7_x_branch .rev 46817: chat/classes/class.ilChatServerCommunicator.php Source File

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00001 <?php
00002 /*
00003         +-----------------------------------------------------------------------------+
00004         | ILIAS open source                                                           |
00005         +-----------------------------------------------------------------------------+
00006         | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
00007         |                                                                             |
00008         | This program is free software; you can redistribute it and/or               |
00009         | modify it under the terms of the GNU General Public License                 |
00010         | as published by the Free Software Foundation; either version 2              |
00011         | of the License, or (at your option) any later version.                      |
00012         |                                                                             |
00013         | This program is distributed in the hope that it will be useful,             |
00014         | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
00015         | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
00016         | GNU General Public License for more details.                                |
00017         |                                                                             |
00018         | You should have received a copy of the GNU General Public License           |
00019         | along with this program; if not, write to the Free Software                 |
00020         | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
00021         +-----------------------------------------------------------------------------+
00022 */
00023 
00033 class ilChatServerCommunicator
00034 {
00035         var $chat;
00036 
00037         var $message;
00038         var $socket_p;
00039         var $type;
00040         var $rcp_id;
00041         var $rcp_login;
00042         var $kicked_user;
00049         function ilChatServerCommunicator(&$chat_obj)
00050         {
00051                 define(TIMEOUT,2);
00052 
00053                 $this->chat =& $chat_obj;
00054         }
00055 
00056         // SET/GET
00057         function setRecipientId($a_id)
00058         {
00059                 $this->rcp_id = $a_id;
00060                 
00061                 if($this->rcp_id)
00062                 {
00063                         $tmp_user =& new ilObjUser($this->rcp_id);
00064                         $this->setRecipientLogin($tmp_user->getLogin());
00065                         unset($tmp_user);
00066                 }
00067         }
00068         function getRecipientId()
00069         {
00070                 return $this->rcp_id;
00071         }
00072         function setRecipientLogin($a_login)
00073         {
00074                 $this->rcp_login = $a_login;
00075         }
00076         function getRecipientLogin()
00077         {
00078                 return $this->rcp_login;
00079         }
00080         function setKickedUser($k_user)
00081         {
00082                 $this->kicked_user = $k_user;
00083         }
00084         function getKickedUser()
00085         {
00086                 return $this->kicked_user;
00087         }
00088         function setMessage($a_message)
00089         {
00090                 $this->message = $a_message;
00091         }
00092         function getMessage()
00093         {
00094                 return $this->message;
00095         }
00096         function setType($a_type)
00097         {
00098                 $this->type = $a_type;
00099         }
00100         function getType()
00101         {
00102                 return $this->type ? $this->type : 'normal';
00103         }
00104         function getHtml()
00105         {
00106                 return $this->html;
00107         }
00108 
00109         function send()
00110         {
00111                 if(!$this->__openSocket())
00112                 {
00113                         return false;
00114                 }
00115                 fputs($this->socket_p,$this->__formatMessage());
00116                 fclose($this->socket_p);
00117 
00118                 return true;
00119         }
00120         
00121         function getServerFrameSource()
00122         {
00123                 return sprintf("http://%s:%s/%s%s",
00124                        $this->chat->server_conf->getExternalIp(),
00125                                            $this->chat->server_conf->getPort(),
00126                                            $this->__formatLogin($this->chat->chat_user->getLogin()),
00127                                            $this->__getFormattedChatroom());
00128 
00129         }
00130 
00131         function isAlive()
00132         {
00133                 $this->setType("test");
00134                 return $this->send();
00135         }
00136 
00137         // PRIVATE
00138         function __getFormattedChatroom()
00139         {
00140                 $nic = $this->chat->server_conf->getNic();
00141 
00142                 return $nic.$this->chat->chat_room->getInternalName().
00143                         substr("______________",0,14-strlen($this->chat->chat_room->getInternalName()));
00144         }
00145         function __formatLogin($a_login)
00146         {
00147                 $nic = $this->chat->server_conf->getNic();
00148 
00149                 return substr($nic.md5($a_login),0,32);
00150         }
00151         function __formatMessage()
00152         {
00153                 $this->__emoticons();
00154 
00155                 switch($this->getType())
00156                 {
00157                         case 'private':
00158                                 // STORE MESSAGE IN DB
00159                                 return "|".$this->__formatLogin($this->getRecipientLogin()).
00160                                         $this->__formatLogin($this->chat->chat_user->getLogin()).
00161                                         $this->__getFormattedChatroom().$this->getMessage()."<br />";
00162                         
00163                         case 'address':
00164                                 // STORE MESSAGE IN DB
00165                                 $this->chat->chat_room->appendMessageToDb($this->getMessage());
00166                                 return ">".$this->__getFormattedChatroom().$this->getMessage()."<br />";
00167 
00168                         case 'normal':
00169                                 // STORE MESSAGE IN DB
00170                                 $this->chat->chat_room->appendMessageToDb($this->getMessage());
00171                                 return ">".$this->__getFormattedChatroom().$this->getMessage()."<br />";
00172 
00173                         case 'login':
00174                                 return "!".$this->__formatLogin($this->chat->chat_user->getLogin()).$_SERVER["REMOTE_ADDR"];
00175 
00176                         case "logout":
00177                                 return "-".$this->__formatLogin($this->chat->chat_user->getLogin());
00178 
00179                         case "kick":
00180                                 return "GET /moderate?".$this->chat->server_conf->getModeratorPassword().
00181                                         "&kick&".$this->__formatLogin($this->getKickedUser()).
00182                                         "&".$this->__getFormattedChatroom();
00183 
00184                         case "delete":
00185                                 return "GET /moderate?".$this->chat->server_conf->getModeratorPassword().
00186                                         "&delete&".$this->__getFormattedChatroom();
00187 
00188                         case "empty":
00189                                 return "GET /moderate?".$this->chat->server_conf->getModeratorPassword().
00190                                         "&clear&".$this->__getFormattedChatroom();
00191 
00192                         case "test":
00193                                 return "GET /Version";
00194 
00195                         default:
00196                                 return "GET /Version";
00197 
00198                 }
00199         }
00200 
00201         function __emoticons()
00202         {
00203                 $str = $this->getMessage();
00204                 $str = str_replace(":)", "<img src=\"" . ILIAS_HTTP_PATH . 
00205                                                    "/templates/default/images/emoticons/icon_smile.gif\" border=0>", $str);
00206                 $str = str_replace(":-)", "<img src=\"" . ILIAS_HTTP_PATH . 
00207                                                    "/templates/default/images/emoticons/icon_smile.gif\" border=0>", $str);
00208                 $str = str_replace(":smile:", "<img src=\"" . ILIAS_HTTP_PATH . 
00209                                                    "/templates/default/images/emoticons/icon_smile.gif\" border=0>", $str);
00210                 $str = str_replace(";)", "<img src=\"" . ILIAS_HTTP_PATH . 
00211                                                    "/templates/default/images/emoticons/icon_wink.gif\" border=0>", $str);
00212                 $str = str_replace(";-)", "<img src=\"" . ILIAS_HTTP_PATH . 
00213                                                    "/templates/default/images/emoticons/icon_wink.gif\" border=0>", $str);
00214                 $str = str_replace(":wink:", "<img src=\"" . ILIAS_HTTP_PATH . 
00215                                                    "/templates/default/images/emoticons/icon_wink.gif\" border=0>", $str);
00216                 $str = str_replace(":D", "<img src=\"" . ILIAS_HTTP_PATH . 
00217                                                    "/templates/default/images/emoticons/icon_laugh.gif\" border=0>", $str);
00218                 $str = str_replace(":-D", "<img src=\"" . ILIAS_HTTP_PATH . 
00219                                                    "/templates/default/images/emoticons/icon_laugh.gif\" border=0>", $str);
00220                 $str = str_replace(":laugh:", "<img src=\"" . ILIAS_HTTP_PATH . 
00221                                                    "/templates/default/images/emoticons/icon_laugh.gif\" border=0>", $str);
00222                 $str = str_replace(":grin:", "<img src=\"" . ILIAS_HTTP_PATH . 
00223                                                    "/templates/default/images/emoticons/icon_laugh.gif\" border=0>", $str);
00224                 $str = str_replace(":biggrin:", "<img src=\"" . ILIAS_HTTP_PATH . 
00225                                                    "/templates/default/images/emoticons/icon_laugh.gif\" border=0>", $str);
00226                 $str = str_replace(":(", "<img src=\"" . ILIAS_HTTP_PATH . 
00227                                                    "/templates/default/images/emoticons/icon_sad.gif\" border=0>", $str);
00228                 $str = str_replace(":-(", "<img src=\"" . ILIAS_HTTP_PATH . 
00229                                                    "/templates/default/images/emoticons/icon_sad.gif\" border=0>", $str);
00230                 $str = str_replace(":sad:", "<img src=\"" . ILIAS_HTTP_PATH . 
00231                                                    "/templates/default/images/emoticons/icon_sad.gif\" border=0>", $str);
00232                 $str = str_replace(":o", "<img src=\"" . ILIAS_HTTP_PATH . 
00233                                                    "/templates/default/images/emoticons/icon_shocked.gif\" border=0>", $str);
00234                 $str = str_replace(":-o", "<img src=\"" . ILIAS_HTTP_PATH . 
00235                                                    "/templates/default/images/emoticons/icon_shocked.gif\" border=0>", $str);
00236                 $str = str_replace(":shocked:", "<img src=\"" . ILIAS_HTTP_PATH . 
00237                                                    "/templates/default/images/emoticons/icon_smile.gif\" border=0>", $str);
00238                 $str = str_replace(":p", "<img src=\"" . ILIAS_HTTP_PATH . 
00239                                                    "/templates/default/images/emoticons/icon_tongue.gif\" border=0>", $str);
00240                 $str = str_replace(":-p", "<img src=\"" . ILIAS_HTTP_PATH . 
00241                                                    "/templates/default/images/emoticons/icon_tongue.gif\" border=0>", $str);
00242                 $str = str_replace(":tongue:", "<img src=\"" . ILIAS_HTTP_PATH . 
00243                                                    "/templates/default/images/emoticons/icon_smile.gif\" border=0>", $str);
00244                 $str = str_replace(":cool:", "<img src=\"" . ILIAS_HTTP_PATH . 
00245                                                    "/templates/default/images/emoticons/icon_cool.gif\" border=0>", $str);
00246                 $str = str_replace(":eek:", "<img src=\"" . ILIAS_HTTP_PATH . 
00247                                                    "/templates/default/images/emoticons/icon_eek.gif\" border=0>", $str);
00248                 $str = str_replace(":||", "<img src=\"" . ILIAS_HTTP_PATH . 
00249                                                    "/templates/default/images/emoticons/icon_angry.gif\" border=0>", $str);
00250                 $str = str_replace(":-||", "<img src=\"" . ILIAS_HTTP_PATH . 
00251                                                    "/templates/default/images/emoticons/icon_angry.gif\" border=0>", $str);
00252                 $str = str_replace(":angry:", "<img src=\"" . ILIAS_HTTP_PATH . 
00253                                                    "/templates/default/images/emoticons/icon_angry.gif\" border=0>", $str);
00254                 $str = str_replace(":flush:", "<img src=\"" . ILIAS_HTTP_PATH . 
00255                                                    "/templates/default/images/emoticons/icon_flush.gif\" border=0>", $str);
00256                 $str = str_replace(":idea:", "<img src=\"" . ILIAS_HTTP_PATH . 
00257                                                    "/templates/default/images/emoticons/icon_idea.gif\" border=0>", $str);
00258                 $str = str_replace(":thumbup:", "<img src=\"" . ILIAS_HTTP_PATH . 
00259                                                    "/templates/default/images/emoticons/icon_thumbup.gif\" border=0>", $str);
00260                 $str = str_replace(":thumbdown:", "<img src=\"" . ILIAS_HTTP_PATH . 
00261                                                    "/templates/default/images/emoticons/icon_thumbdown.gif\" border=0>", $str);
00262                 $this->setMessage($str);
00263         }
00264 
00265         function __openSocket()
00266         {
00267         $this->socket_p = @fsockopen($this->chat->server_conf->getInternalIp(), 
00268                                                                          $this->chat->server_conf->getPort(), $errno, $errstr, TIMEOUT);
00269 
00270                 return $this->socket_p == null ? false : true;
00271         }
00272 
00273         // STATIC
00274         function _initObject()
00275         {
00276                 global $ilias;
00277                 
00278                 $query = "SELECT ref_id FROM object_data NATURAL JOIN object_reference ".
00279                         "WHERE type = 'chac'";
00280                 
00281                 $res = $ilias->db->query($query);
00282                 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
00283                 {
00284                         $ref_id = $row->ref_id;
00285                 }
00286                 
00287                 // GET INSTANCE
00288                 return new ilChatServerCommunicator($tmp =& ilObjectFactory::getInstanceByRefId($ref_id));
00289         }               
00290 
00291         function _login()
00292         {
00293                 $obj =& ilChatServerCommunicator::_initObject();
00294 
00295                 // CALLED BY login.php
00296                 $obj->setType("login");
00297                 $obj->chat->chat_user->setUserId($_SESSION["AccountId"]);
00298                 $obj->send();
00299         }
00300 
00301         function _logout()
00302         {
00303                 $obj =& ilChatServerCommunicator::_initObject();
00304 
00305                 // CALLED BY login.php
00306                 $obj->setType("logout");
00307                 $obj->chat->chat_user->setUserId($_SESSION["AccountId"]);
00308                 $obj->send();
00309         }
00310                 
00311 
00312 } // END class.ilChatServerCommunicator
00313 ?>