tools/chat/start_transcript.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2008 by Greg Gay, Joel Kronenberg & Heidi Hazelton*/
   6 /* Adaptive Technology Resource Centre / University of Toronto                  */
   7 /* http://atutor.ca                                                                                                             */
   8 /*                                                                                                                                              */
   9 /* This program is free software. You can redistribute it and/or                */
  10 /* modify it under the terms of the GNU General Public License                  */
  11 /* as published by the Free Software Foundation.                                                */
  12 /************************************************************************/
  13 // $Id$
  14
  15 define('AT_INCLUDE_PATH', '../../include/');
  16 require(AT_INCLUDE_PATH.'vitals.inc.php');
  17
  18
  19 /* @See ./admin.php */
  20 function writeAdminSettings(&$admin) {
  21         if (file_exists(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings')) {
  22                 chmod(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings', 0755);
  23         }
  24
  25         $fp = @fopen(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings', 'w+');
  26         if (!$fp) {
  27                 // error
  28                 return 0;
  29         }
  30
  31         $settings = '';
  32         foreach ($admin as $prefKey => $prefValue) {
  33                 $settings .= $prefKey.'='.$prefValue."\n";
  34         }
  35
  36         flock($fp, LOCK_EX);
  37         if (!@fwrite($fp, $settings)) {
  38                 return 0;
  39         }
  40         flock($fp, LOCK_UN);
  41         chmod(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings', 0600);
  42
  43         return 1;
  44 }
  45
  46 function getAdminSettings() {
  47         if (!file_exists(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings')) {
  48                 return 0;
  49         }
  50
  51         $admin = array();
  52
  53         $file_prefs = file(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/admin.settings');
  54         foreach ($file_prefs as $pref) {
  55                 $pref = explode('=', $pref, 2);
  56                 $admin[$pref[0]] = trim($pref[1]);
  57         }
  58
  59     if ($admin['returnT'] && $admin['returnL']) {
  60         $admin['returnLink'] = '<a href="'.$admin['returnL'].'" onFocus="this.className=\'highlight\'" onBlur="this.className=\'\'">'.$admin['returnT'].'</a>';
  61     } else {
  62         $admin['returnLink'] = '';
  63     }
  64
  65         return $admin;
  66 }
  67
  68 function defaultAdminSettings() {
  69         $admin = array();
  70
  71     //$admin['cgiURL'] = 'http://dev.atutor.ca/chat/';
  72     //$admin['htmlDir'] = '/usr/webserver/content/snow/chat/';
  73     //$admin['htmlURL'] = 'http://dev.atutor.ca/discussions/achat/';
  74     $admin['msgLifeSpan']               = 1800;         /* 30 min  */
  75     $admin['chatIDLifeSpan']    = 2678400;      /* 1 month */
  76     $admin['chatSessionLifeSpan'] = 3600;       /* 1 hour  */
  77     //$admin['chatName'] = 'Accessible Chat';
  78     //$admin['chatIDListFlag'] = 0;
  79    // $admin['returnL'] = 'http://dev.atutor.ca';
  80     //$admin['returnT'] = 'Return to the ATRC';
  81     //$admin['adminPass'] = 'temppass';
  82
  83         return $admin;
  84 }
  85
  86 $admin = getAdminSettings();
  87 if ($admin === 0) {
  88         $admin = defaultAdminSettings();
  89 }
  90
  91 if (isset($_POST['submit'])) {
  92         $admin['adminPass']                             = $_POST['newAdminPass'];
  93         $adminPass                                              = $_POST['newAdminPass'];
  94         $admin['chatName']                              = $_POST['chatName'];
  95         $admin['returnL']                               = $_POST['returnL'];
  96         $admin['returnT']                               = $_POST['returnT'];
  97         $admin['msgLifeSpan']                   = $_POST['msgLifeSpan'];
  98         $admin['chatSessionLifeSpan']   = $_POST['chatSessionLifeSpan'];
  99         $admin['chatIDLifeSpan']                = $_POST['chatIDLifeSpan'];
 100         writeAdminSettings($admin);
 101
 102 } else if (isset($_POST['submit2'])) {
 103         @mkdir(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'] . '/tran');
 104         if(file_exists(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/tran/'.$_POST['tranFile'].'.html')){
 105                 $warnings = array('CHAT_TRAN_EXISTS', $_POST['tranFile']); //'file already exists';
 106                 $msg->addWarning($warnings);
 107         } else if ($_POST['function'] == 'startTran') {
 108                 if (!(eregi("^[a-zA-Z0-9_]([a-zA-Z0-9_])*$", $_POST['tranFile']))){
 109                         $msg->addError('CHAT_TRAN_REJECTED');
 110                 } else {
 111                         $admin['produceTran'] = 1;
 112                         $admin['tranFile'] = $_POST['tranFile'] . '.html';
 113                         writeAdminSettings($admin);
 114                         $tran = '<p>'._AT('chat_transcript_start').' '.date('Y-M-d H:i').'</p>';
 115                         $tran .= '<table border="0" cellpadding="3" summary="" class="chat-transcript">';
 116
 117                         $fp = fopen(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/tran/'.$admin['tranFile'], 'w+');
 118
 119                         flock($fp, LOCK_EX);
 120                         if (!fwrite($fp, $tran)) {
 121                                 return 0;
 122                         }
 123                         flock($fp, LOCK_UN);
 124
 125                         header('Location: index.php');
 126                         exit;
 127                 }
 128         } else if ($_POST['function'] == 'stopTran') {
 129                 $admin['produceTran'] = 0;
 130                 writeAdminSettings($admin);
 131
 132                 $tran = '<p>'._AT('chat_transcript_end').' '.date('Y-M-d H:i').'</p>';
 133                 $fp = @fopen(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/tran/'.$admin['tranFile'], 'a');
 134
 135                 @flock($fp, LOCK_EX);
 136                 if (!@fwrite($fp, $tran)) {
 137                         return 0;
 138                 }
 139                 flock($fp, LOCK_UN);
 140
 141                 header('Location: index.php');
 142                 exit;
 143         }
 144 } else if ($_GET['function'] == 'clearOldChatIDs') {
 145         $return = clearOutOldChatPrefs();
 146 } else if ($_POST['submit3']) {
 147         deleteUser($_POST['delName']);
 148 } else if ($_POST['submit4']) {
 149         if ($dir = @opendir(AT_CONTENT_DIR . 'chat/'.$_SESSION['course_id'].'/users/')) {
 150                 while (($file = readdir($dir)) !== false) {
 151                         if (substr($file, -strlen('.prefs')) == '.prefs') {
 152                                 $chatName = substr($file, 0, -strlen('.prefs'));
 153                                 deleteUser($chatName);
 154                         }
 155                 }
 156         }
 157 }
 158
 159
 160 require(AT_INCLUDE_PATH.'header.inc.php');
 161
 162         if ($return != '') {
 163                 echo '<code>'.$return.'</code>';
 164         }
 165
 166         if ($admin['msgLifeSpan'] < 650) {
 167         $m10 = ' selected ';
 168     } else if ($admin['msgLifeSpan'] < 950) {
 169         $m30 = ' selected ';
 170     } else if ($admin['msgLifeSpan'] < 1850) {
 171         $m60 = ' selected ';
 172     } else if ($admin['msgLifeSpan'] < 10850) {
 173         $m180 = ' selected ';
 174     } else {
 175         $m1D = ' selected ';
 176     }
 177
 178     if ($admin['chatSessionLifeSpan'] < 650) {
 179         $s10 = ' selected ';
 180     } else if ($admin['chatSessionLifeSpan'] < 950) {
 181         $s30 = ' selected ';
 182     } else if ($admin['chatSessionLifeSpan'] < 1850) {
 183         $s60 = ' selected ';
 184     } else if ($admin['chatSessionLifeSpan'] < 10850) {
 185         $s180 = ' selected ';
 186     } else {
 187         $s1D = ' selected ';
 188     }
 189     if ($admin['chatIDLifeSpan'] < 86450) {
 190         $i1D = ' selected ';
 191     } else if ($admin['chatIDLifeSpan'] < 1728050) {
 192         $i20D = ' selected ';
 193     } else if ($admin['chatIDLifeSpan'] < 2592050) {
 194         $i1M = ' selected ';
 195     } else {
 196         $i1Y = ' selected ';
 197     }
 198 ?>
 199
 200 <form name="f1" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
 201 <div class="input-form">
 202         <div class="row">
 203                 <?php echo _AT('chat_keep_tran'); ?>
 204         </div>
 205
 206 <?php
 207         echo '<input type="hidden" name="adminPass" value="'.$adminPass.'" />';
 208
 209         if ($admin['produceTran'] > 0) {
 210                 echo '<input type="hidden" name="function" value="stopTran" />';
 211                 echo '<div class="row">';
 212                         echo _AT('chat_current_tran').' <a href="tools/chat/view_transcript.php?t='.str_replace('.html', '', $admin['tranFile']).'" >'.str_replace('.html', '', $admin['tranFile']).'</a>.</p>';
 213                 echo '</div>';
 214
 215                 echo '<div class="row buttons">';
 216                 echo '<input type="submit" value="'._AT('chat_stop_tran').'" name="submit2" />';
 217                 echo '</div>';
 218
 219     } else {
 220         echo '<input type="hidden" name="function" value="startTran" />';
 221
 222                 echo '<div class="row">';
 223                         echo _AT('chat_tran_file_name').' ';
 224                         echo '<input type="text" name="tranFile" class="formfield" />';
 225                 echo '</div>';
 226
 227                 echo '<div class="row buttons">';
 228                 echo '<input type="submit" value="'._AT('chat_start_tran').'" name="submit2" />';
 229                 echo '</div>';
 230     }
 231         echo '</div>';
 232         echo '</form>';
 233
 234         require(AT_INCLUDE_PATH.'footer.inc.php');
 235 ?>