docs/admin/config_edit.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* Inclusive Design Institute                                           */
   7 /* http://atutor.ca                                                     */
   8 /* This program is free software. You can redistribute it and/or        */
   9 /* modify it under the terms of the GNU General Public License          */
  10 /* as published by the Free Software Foundation.                        */
  11 /************************************************************************/
  12 // $Id$
  13
  14 define('AT_INCLUDE_PATH', '../include/');
  15 require(AT_INCLUDE_PATH.'vitals.inc.php');
  16 admin_authenticate(AT_ADMIN_PRIV_ADMIN);
  17
  18 global $stripslashes;
  19
  20 if (isset($_POST['cancel'])) {
  21         $msg->addFeedback('CANCELLED');
  22         header('Location: index.php');
  23         exit;
  24 } else if (isset($_POST['submit'])) {
  25         $missing_fields = array();
  26
  27         $_POST['site_name']          = trim($_POST['site_name']);
  28         $_POST['home_url']           = trim($_POST['home_url']);
  29         $_POST['default_language']   = trim($_POST['default_language']);
  30         $_POST['contact_email']      = trim($_POST['contact_email']);
  31         $_POST['max_file_size']      = intval($_POST['max_file_size']);
  32         $_POST['max_file_size']      = max(0, $_POST['max_file_size']);
  33         $_POST['max_course_size']    = intval($_POST['max_course_size']);
  34         $_POST['max_course_size']    = max(0, $_POST['max_course_size']);
  35         $_POST['max_course_float']   = intval($_POST['max_course_float']);
  36         $_POST['max_course_float']   = max(0, $_POST['max_course_float']);
  37         $_POST['allow_registration']   = intval($_POST['allow_registration']);
  38         $_POST['allow_browse']   = intval($_POST['allow_browse']);
  39         $_POST['allow_instructor_registration']   = intval($_POST['allow_instructor_registration']);
  40         $_POST['allow_unenroll']   = intval($_POST['allow_unenroll']);
  41         $_POST['master_list']        = intval($_POST['master_list']);
  42         $_POST['email_confirmation'] = intval($_POST['email_confirmation']);
  43         $_POST['email_notification'] = intval($_POST['email_notification']);
  44         $_POST['sent_msgs_ttl']      = intval($_POST['sent_msgs_ttl']);
  45         $_POST['allow_instructor_requests'] = intval($_POST['allow_instructor_requests']);
  46         $_POST['auto_approve_instructors']  = intval($_POST['auto_approve_instructors']);
  47         $_POST['theme_categories']          = intval($_POST['theme_categories']);
  48         $_POST['user_notes']                = intval($_POST['user_notes']);
  49         $_POST['illegal_extentions']        = str_replace(array('  ', ' '), array(' ','|'), $_POST['illegal_extentions']);
  50         $_POST['cache_dir']                 = trim($_POST['cache_dir']);
  51         $_POST['latex_server']                          = (trim($_POST['latex_server'])==''?$_config['latex_server']:trim($_POST['latex_server']));
  52         $_POST['course_backups']            = intval($_POST['course_backups']);
  53         $_POST['course_backups']            = max(0, $_POST['course_backups']);
  54         $_POST['check_version']             = $_POST['check_version'] ? 1 : 0;
  55         $_POST['fs_versioning']             = $_POST['fs_versioning'] ? 1 : 0;
  56         $_POST['enable_mail_queue']         = $_POST['enable_mail_queue'] ? 1 : 0;
  57         $_POST['display_name_format']       = intval($_POST['display_name_format']);
  58         $_POST['pretty_url']                            = intval($_POST['pretty_url']);
  59         $_POST['course_dir_name']                       = intval($_POST['course_dir_name']);
  60         $_POST['max_login']                                     = intval($_POST['max_login']);          //max login attempt
  61         $_POST['use_captcha']                           = $_POST['use_captcha'] ? 1 : 0;
  62
  63         //apache_mod_rewrite can only be enabled if pretty_url is.
  64         if ($_POST['pretty_url']==1){
  65                 $_POST['apache_mod_rewrite']            = intval($_POST['apache_mod_rewrite']);
  66         } else {
  67                 $_POST['apache_mod_rewrite'] = 0;
  68         }
  69
  70         if (!isset($display_name_formats[$_POST['display_name_format']])) {
  71                 $_POST['display_name_format'] = $_config_defaults['display_name_format'];
  72         }
  73
  74         //check that all values have been set
  75         if (!$_POST['site_name']) {
  76                 $missing_fields[] = _AT('site_name');
  77         }
  78
  79         /* email check */
  80         if (!$_POST['contact_email']) {
  81                 $missing_fields[] = _AT('contact_email');
  82         } else if (!preg_match("/^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,6}$/i", $_POST['contact_email'])) {
  83                 $msg->addError('EMAIL_INVALID');
  84         }
  85
  86         if ($_POST['cache_dir']) {
  87                 if (!is_dir($_POST['cache_dir'])) {
  88                         $msg->addError('CACHE_DIR_NOT_EXIST');
  89                 } else if (!is_writable($_POST['cache_dir'])){
  90                         $msg->addError('CACHE_DIR_NOT_WRITEABLE');
  91                 }
  92         }
  93
  94         if ($missing_fields) {
  95                 $missing_fields = implode(', ', $missing_fields);
  96                 $msg->addError(array('EMPTY_FIELDS', $missing_fields));
  97         }
  98
  99         if (!$msg->containsErrors()) {
 100                 $_POST['site_name']     = $addslashes($_POST['site_name']);
 101                 $_POST['home_url']      = $addslashes($_POST['home_url']);
 102                 $_POST['default_language']      = $addslashes($_POST['default_language']);
 103                 $_POST['contact_email'] = $addslashes($_POST['contact_email']);
 104                 $_POST['time_zone']     = floatval($_POST['time_zone']);
 105
 106                 foreach ($_config as $name => $value) {
 107                         // the isset() is needed to avoid overridding settings that don't get set here (ie. modules)
 108                         if (isset($_POST[$name]) && ($stripslashes($_POST[$name]) != $value) && ($stripslashes($_POST[$name]) != $_config_defaults[$name])) {
 109                                 $sql = "REPLACE INTO ".TABLE_PREFIX."config VALUES ('$name', '$_POST[$name]')";
 110                                 mysql_query($sql, $db);
 111                                 write_to_log(AT_ADMIN_LOG_REPLACE, 'config', mysql_affected_rows($db), $sql);
 112                         } else if (isset($_POST[$name]) && ($stripslashes($_POST[$name]) == $_config_defaults[$name])) {
 113                                 $sql = "DELETE FROM ".TABLE_PREFIX."config WHERE name='$name'";
 114                                 mysql_query($sql, $db);
 115                                 write_to_log(AT_ADMIN_LOG_DELETE, 'config', mysql_affected_rows($db), $sql);
 116                         }
 117                 }
 118
 119                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
 120
 121                 // special case: disabling the mail queue should flush all queued mail:
 122                 if (!$_POST['enable_mail_queue'] && $_POST['old_enable_mail_queue']) {
 123                         require_once(AT_INCLUDE_PATH . 'classes/phpmailer/atutormailer.class.php');
 124                         $mail = new ATutorMailer;
 125                         $mail->SendQueue();
 126                 }
 127
 128                 header('Location: '.$_SERVER['PHP_SELF']);
 129                 exit;
 130         }
 131 }
 132
 133 $onload = 'document.form.sitename.focus();';
 134
 135 require(AT_INCLUDE_PATH.'header.inc.php');
 136
 137 if (!isset($_POST['submit'])) {
 138
 139 } else {
 140         $defaults = $_POST;
 141 }
 142 ?>
 143
 144 <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" name="form">
 145 <div class="input-form">
 146         <div class="row">
 147                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="sitename"><?php echo _AT('site_name'); ?></label><br />
 148                 <input type="text" name="site_name" size="40" maxlength="60" id="sitename" value="<?php if (!empty($_POST['site_name'])) { echo $stripslashes(htmlspecialchars($_POST['site_name'])); } else { echo $_config['site_name']; } ?>" />
 149         </div>
 150
 151         <div class="row">
 152                 <label for="home_url"><?php echo _AT('home_url'); ?></label><br />
 153
 154                 <input type="text" name="home_url" size="50" maxlength="60" id="home_url" value="<?php if (!empty($_POST['home_url'])) { echo $stripslashes(htmlspecialchars($_POST['home_url'])); } else { echo $_config['home_url']; } ?>"  />
 155         </div>
 156
 157         <div class="row">
 158                 <label for="default_lang"><?php echo _AT('default_language'); ?></label><br />
 159
 160                 <?php if (!empty($_POST['default_language'])) {
 161                                 $select_lang = $_POST['default_language'];
 162                         } else {
 163                                 $select_lang = $_config['default_language'];
 164                         } ?>
 165                 <?php if ($disabled): ?>
 166                         <select name="default_language" id="default_lang" disabled="disabled"><option><?php echo $select_lang; ?></option></select>
 167                 <?php else: ?>
 168                         <?php $languageManager->printDropdown($select_lang, 'default_language', 'default_lang'); ?>
 169                 <?php endif; ?>
 170         </div>
 171
 172         <div class="row">
 173                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="cemail"><?php echo _AT('contact_email'); ?></label><br />
 174                 <input type="text" name="contact_email" id="cemail" size="40" value="<?php if (!empty($_POST['email'])) { echo $stripslashes(htmlspecialchars($_POST['email'])); } else { echo $_config['contact_email']; } ?>"  />
 175         </div>
 176
 177         <div class="row">
 178                 <label for="time_zone"><?php echo _AT('time_zone'); ?></label><br />
 179
 180                 <?php
 181
 182
 183                 // Replace this hack to use the PHP timezone functions when the PHP requirement is raised to 5.3
 184                 global $utc_timezones; // set in include/lib/constants.inc.php
 185                 $local_offset = ((date(Z)/3600));
 186                 echo '<select name="time_zone" id="time_zone">';
 187                         echo '<option value="0">'._AT('none').'</option>';
 188                 foreach ($utc_timezones as $zone => $offset){
 189                         if(($offset[1]) == $_config['time_zone']){
 190                         echo '<option value="'.($offset[1]).'" selected="selected">'.$offset[1].'</option>';
 191                         }else{
 192                         echo '<option value="'.($offset[1]).'">'.$offset[1].'</option>';
 193
 194                         }
 195                 }
 196                 echo "</select>";
 197
 198
 199                 //echo '<input type="text" name="time_zone" value="'.$_config['time_zone'].'" size="5" maxlength="5"/> ';
 200
 201                 // If PHP 5+ generate a list of timezones
 202 /*
 203                 if(phpversion() >= 5){
 204                         $timezone_names = timezone_identifiers_list();
 205                 }else{
 206                 // if less than PHP version 5, read a text file to generate the menu
 207                         $timezone_names = file("timezones.txt");
 208                 }
 209
 210                 echo '<select name="time_zone">';
 211                 foreach($timezone_names as $timezone_name){
 212                         if($timezone_name == $_config{'time_zone'}){
 213                                 $selected = ' selected="selected"';
 214                         }
 215                         echo '<option'.$selected.'>'.$timezone_name.'</option>';
 216                         $selected = '';
 217                 }
 218                 echo '</select>';
 219 */
 220 echo AT_date(_AT('server_date_format'), '', AT_DATE_MYSQL_DATETIME);
 221 ?>
 222         </div>
 223
 224         <div class="row">
 225                 <label for="maxfile"><?php echo _AT('maximum_file_size'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['max_file_size']; ?>)<br />
 226                 <input type="text" size="10" name="max_file_size" id="maxfile" value="<?php if (!empty($_POST['max_file_size'])) { echo $stripslashes(htmlspecialchars($_POST['max_file_size'])); } else { echo $_config['max_file_size']; } ?>"  /> <?php echo _AT('bytes'); ?>
 227         </div>
 228
 229         <div class="row">
 230                 <label for="maxcourse"><?php echo _AT('maximum_course_size'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['max_course_size']; ?>)<br />
 231                 <input type="text" size="10" name="max_course_size" id="maxcourse" value="<?php if (!empty($_POST['max_course_size'])) { echo $stripslashes(htmlspecialchars($_POST['max_course_size'])); } else { echo $_config['max_course_size']; } ?>"  /> <?php echo _AT('bytes'); ?>
 232         </div>
 233
 234         <div class="row">
 235                 <label for="float"><?php echo _AT('maximum_course_float'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['max_course_float']; ?>)<br />
 236                 <input type="text" size="10" name="max_course_float" id="float" value="<?php if (!empty($_POST['max_course_float'])) { echo $stripslashes(htmlspecialchars($_POST['max_course_float'])); } else { echo $_config['max_course_float']; } ?>"  /> <?php echo _AT('bytes'); ?>
 237         </div>
 238
 239         <div class="row">
 240                 <label for="maximum_login_attempt"><?php echo _AT('maximum_login_attempt'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['max_login']; ?>)<br />
 241                 <input type="text" size="10" name="max_login" id="maximum_login_attempt" value="<?php if (!empty($_POST['max_login'])) { echo $stripslashes(htmlspecialchars($_POST['max_login'])); } else { echo $_config['max_login']; } ?>"  /> <?php echo _AT('times'); ?>
 242         </div>
 243
 244         <div class="row">
 245                 <?php echo _AT('display_name_format'); ?> (<?php echo _AT('default'); ?>: <?php echo _AT($display_name_formats[$_config_defaults['display_name_format']], _AT('login_name'), _AT('first_name'), _AT('second_name'), _AT('last_name')); ?>)<br />
 246                 <?php foreach ($display_name_formats as $key => $value): ?>
 247                         <input type="radio" name="display_name_format" value="<?php echo $key; ?>" id="dnf<?php echo $key; ?>" <?php if ($_config['display_name_format'] == $key) { echo 'checked="checked"'; }?> /><label for="dnf<?php echo $key; ?>"><?php echo _AT($value, _AT('login_name'), _AT('first_name'), _AT('second_name'), _AT('last_name')); ?></label><br />
 248                 <?php endforeach; ?>
 249         </div>
 250
 251         <div class="row">
 252                 <?php echo _AT('master_list_authentication'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['master_list'] ? _AT('enable') : _AT('disable')); ?>)<br />
 253                 <input type="radio" name="master_list" value="1" id="ml_y" <?php if ($_config['master_list']) { echo 'checked="checked"'; }?>  /><label for="ml_y"><?php echo _AT('enable'); ?></label>
 254
 255                 <input type="radio" name="master_list" value="0" id="ml_n" <?php if(!$_config['master_list']) { echo 'checked="checked"'; }?>  /><label for="ml_n"><?php echo  _AT('disable'); ?></label>
 256         </div>
 257         <div class="row">
 258                 <?php echo _AT('allow_registration'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['allow_registration'] ? _AT('enable') : _AT('disable')); ?>)<br />
 259                 <input type="radio" name="allow_registration" value="1" id="reg_y" <?php if($_config['allow_registration']) { echo 'checked="checked"'; }?>  /><label for="reg_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="allow_registration" value="0" id="reg_n" <?php if(!$_config['allow_registration']) { echo 'checked="checked"'; }?>  /><label for="reg_n"><?php echo _AT('disable'); ?></label>
 260         </div>
 261         <div class="row">
 262                 <?php echo _AT('allow_browse'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['allow_browse'] ? _AT('enable') : _AT('disable')); ?>)<br />
 263                 <input type="radio" name="allow_browse" value="1" id="browse_y" <?php if($_config['allow_browse']) { echo 'checked="checked"'; }?>  /><label for="browse_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="allow_browse" value="0" id="browse_n" <?php if(!$_config['allow_browse']) { echo 'checked="checked"'; }?>  /><label for="browse_n"><?php echo _AT('disable'); ?></label>
 264         </div>
 265
 266         <div class="row">
 267                 <?php echo _AT('allow_instructor_registration'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['allow_instructor_registration'] ? _AT('enable') : _AT('disable')); ?>)<br />
 268                 <input type="radio" name="allow_instructor_registration" value="1" id="enrollreg_y" <?php if($_config['allow_instructor_registration']) { echo 'checked="checked"'; }?>  /><label for="enrollreg_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="allow_instructor_registration" value="0" id="enrollreg_n" <?php if(!$_config['allow_instructor_registration']) { echo 'checked="checked"'; }?>  /><label for="enrollreg_n"><?php echo _AT('disable'); ?></label>
 269         </div>
 270         <div class="row">
 271                 <?php echo _AT('use_captcha'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['use_captcha'] ? _AT('enable') : _AT('disable')); ?>)<br />
 272                 <?php if (extension_loaded('gd')): ?>
 273                 <input type="radio" name="use_captcha" value="1" id="use_captcha_y" <?php if($_config['use_captcha']) { echo 'checked="checked"'; }?>  /><label for="use_captcha_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="use_captcha" value="0" id="use_captcha_n" <?php if(!$_config['use_captcha']) { echo 'checked="checked"'; }?>  /><label for="use_captcha_n"><?php echo _AT('disable'); ?></label>
 274                 <?php else: ?>
 275                 <input type="radio" name="use_captcha" value="1" id="use_captcha_y" disabled="disabled" /><label for="use_captcha_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="use_captcha" value="0" id="use_captcha_n" checked="checked" /><label for="use_captcha_n"><?php echo _AT('disable'); ?></label>
 276                 <?php endif; ?>
 277         </div>
 278         <div class="row">
 279                 <?php echo _AT('allow_unenroll'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['allow_unenroll'] ? _AT('enable') : _AT('disable')); ?>)<br />
 280                 <input type="radio" name="allow_unenroll" value="1" id="ene_y" <?php if($_config['allow_unenroll']) { echo 'checked="checked"'; }?>  /><label for="ene_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="allow_unenroll" value="0" id="ene_n" <?php if(!$_config['allow_unenroll']) { echo 'checked="checked"'; }?>  /><label for="ene_n"><?php echo _AT('disable'); ?></label>
 281         </div>
 282
 283         <div class="row">
 284                 <?php echo _AT('require_email_confirmation'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['email_confirmation'] ? _AT('enable') : _AT('disable')); ?>)<br />
 285                 <input type="radio" name="email_confirmation" value="1" id="ec_y" <?php if ($_config['email_confirmation']) { echo 'checked="checked"'; }?>  /><label for="ec_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="email_confirmation" value="0" id="ec_n" <?php if(!$_config['email_confirmation']) { echo 'checked="checked"'; }?>  /><label for="ec_n"><?php echo _AT('disable'); ?></label>
 286         </div>
 287
 288         <div class="row">
 289                 <?php echo _AT('allow_instructor_requests'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['allow_instructor_requests'] ? _AT('enable') : _AT('disable')); ?>)<br />
 290                 <input type="radio" name="allow_instructor_requests" value="1" id="air_y" <?php if($_config['allow_instructor_requests']) { echo 'checked="checked"'; }?>  /><label for="air_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="allow_instructor_requests" value="0" id="air_n" <?php if(!$_config['allow_instructor_requests']) { echo 'checked="checked"'; }?>  /><label for="air_n"><?php echo _AT('disable'); ?></label>
 291         </div>
 292
 293         <div class="row">
 294                 <?php echo _AT('instructor_request_email_notification'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['email_notification'] ? _AT('enable') : _AT('disable')); ?>)<br />
 295                 <input type="radio" name="email_notification" value="1" id="en_y" <?php if ($_config['email_notification']) { echo 'checked="checked"'; }?>  /><label for="en_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="email_notification" value="0" id="en_n" <?php if(!$_config['email_notification']) { echo 'checked="checked"'; }?>  /><label for="en_n"><?php echo _AT('disable'); ?></label>
 296         </div>
 297
 298         <div class="row">
 299                 <?php echo _AT('auto_approve_instructors'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['auto_approve_instructors'] ? _AT('enable') : _AT('disable')); ?>)<br />
 300                 <input type="radio" name="auto_approve_instructors" value="1" id="aai_y" <?php if($_config['auto_approve_instructors']) { echo 'checked="checked"'; }?>  /><label for="aai_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="auto_approve_instructors" value="0" id="aai_n" <?php if(!$_config['auto_approve_instructors']) { echo 'checked="checked"'; }?>  /><label for="aai_n"><?php echo _AT('disable'); ?></label>
 301         </div>
 302
 303         <div class="row">
 304                 <?php echo _AT('theme_specific_categories'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['theme_categories'] ? _AT('enable') : _AT('disable')); ?>)<br />
 305                 <input type="radio" name="theme_categories" value="1" id="tc_y" <?php if($_config['theme_categories']) { echo 'checked="checked"'; }?>  /><label for="tc_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="theme_categories" value="0" id="tc_n" <?php if(!$_config['theme_categories']) { echo 'checked="checked"'; }?>  /><label for="tc_n"><?php echo _AT('disable'); ?></label>
 306         </div>
 307
 308         <div class="row">
 309                 <?php echo _AT('user_contributed_notes'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['user_notes'] ? _AT('enable') : _AT('disable')); ?>)<br />
 310                 <input type="radio" name="user_notes" value="1" id="un_y" <?php if($_config['user_notes']) { echo 'checked="checked"'; }?>  /><label for="un_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="user_notes" value="0" id="un_n" <?php if(!$_config['user_notes']) { echo 'checked="checked"'; }?>  /><label for="un_n"><?php echo _AT('disable'); ?></label>
 311         </div>
 312
 313         <div class="row">
 314                 <label for="ext"><?php echo _AT('illegal_file_extensions'); ?></label><br />
 315                 <textarea name="illegal_extentions" cols="24" id="ext" rows="2" class="formfield" ><?php if ($_config['illegal_extentions']) { echo str_replace('|',' ',$_config['illegal_extentions']); }?></textarea>
 316         </div>
 317
 318         <div class="row">
 319                 <label for="cache"><?php echo _AT('cache_directory'); ?></label><br />
 320                 <input type="text" name="cache_dir" id="cache" size="40" value="<?php if (!empty($_POST['cache_dir'])) { echo $stripslashes(htmlspecialchars($_POST['cache_dir'])); } else { echo $_config['cache_dir']; } ?>"  />
 321         </div>
 322
 323         <div class="row">
 324                 <label for="latex_server"><?php echo _AT('latex_server'); ?></label><br />
 325                 <input type="text" name="latex_server" id="latex_server" size="40" value="<?php if (!empty($_POST['latex_server'])) { echo $stripslashes(htmlspecialchars($_POST['latex_server'])); } else { echo $_config['latex_server']; } ?>"  />
 326         </div>
 327
 328         <div class="row">
 329                 <label for="course_backups"><?php echo _AT('course_backups'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['course_backups']; ?>)<br />
 330                 <input type="text" size="2" name="course_backups" id="course_backups" value="<?php if (!empty($_POST['course_backups'])) { echo $stripslashes(htmlspecialchars($_POST['course_backups'])); } else { echo $_config['course_backups']; } ?>"  />
 331         </div>
 332
 333         <div class="row">
 334                 <label for="sent_msgs_ttl"><?php echo _AT('sent_msgs_ttl_text'); ?></label> (<?php echo _AT('default'); ?>: <?php echo $_config_defaults['sent_msgs_ttl']; ?>)<br />
 335                 <input type="text" size="3" name="sent_msgs_ttl" id="sent_msgs_ttl" value="<?php if (!empty($_POST['sent_msgs_ttl'])) { echo intval($_POST['sent_msgs_ttl']); } else { echo $_config['sent_msgs_ttl']; } ?>"  />
 336         </div>
 337
 338         <div class="row">
 339                 <?php echo _AT('auto_check_new_version'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['check_version'] ? _AT('enable') : _AT('disable')); ?>)<br />
 340                 <input type="radio" name="check_version" value="1" id="cv_y" <?php if($_config['check_version']) { echo 'checked="checked"'; }?>  /><label for="cv_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="check_version" value="0" id="cv_n" <?php if(!$_config['check_version']) { echo 'checked="checked"'; }?>  /><label for="cv_n"><?php echo _AT('disable'); ?></label>
 341         </div>
 342
 343         <div class="row">
 344                 <?php echo _AT('file_storage_version_control'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['fs_versioning'] ? _AT('enable') : _AT('disable')); ?>)<br />
 345                 <input type="radio" name="fs_versioning" value="1" id="cf_y" <?php if($_config['fs_versioning']) { echo 'checked="checked"'; }?>  /><label for="cf_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="fs_versioning" value="0" id="cf_n" <?php if(!$_config['fs_versioning']) { echo 'checked="checked"'; }?>  /><label for="cf_n"><?php echo _AT('disable'); ?></label>
 346         </div>
 347
 348         <div class="row">
 349                 <input type="hidden" name="old_enable_mail_queue" value="<?php echo $_config['enable_mail_queue']; ?>" />
 350                 <?php echo _AT('enable_mail_queue'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['enable_mail_queue'] ? _AT('enable') : _AT('disable')); ?>)<br />
 351                 <?php echo _AT('mail_queue_cron'); ?><br />
 352                 <?php if (!$_config['last_cron'] || (time() - (int) $_config['last_cron'] > 2 * 60 * 60)): ?>
 353                         <input type="radio" name="enable_mail_queue" value="1" disabled="disabled" id="mq_y"  /><label for="mq_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="enable_mail_queue" value="0" id="mq_n" checked="checked" /><label for="mq_n"><?php echo _AT('disable'); ?></label>
 354                 <?php else: ?>
 355                         <input type="radio" name="enable_mail_queue" value="1" id="mq_y" <?php if($_config['enable_mail_queue']) { echo 'checked="checked"'; }?>  /><label for="mq_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="enable_mail_queue" value="0" id="mq_n" <?php if(!$_config['enable_mail_queue']) { echo 'checked="checked"'; }?>  /><label for="mq_n"><?php echo _AT('disable'); ?></label>
 356                 <?php endif; ?>
 357         </div>
 358
 359         <div class="row">
 360                 <?php echo _AT('auto_install_languages'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['auto_install_languages'] ? _AT('enable') : _AT('disable')); ?>)<br />
 361                 <?php echo _AT('auto_install_languages_cron'); ?><br />
 362                 <?php if (!$_config['last_cron'] || (time() - (int) $_config['last_cron'] > 2 * 60 * 60)): ?>
 363                         <input type="radio" name="auto_install_languages" value="1" disabled="disabled" /><?php echo _AT('enable'); ?> <input type="radio" name="auto_install_languages" value="0" id="ai_n" checked="checked" /><label for="ai_n"><?php echo _AT('disable'); ?></label>
 364                 <?php else: ?>
 365                         <input type="radio" name="auto_install_languages" value="1" id="ai_y" <?php if($_config['auto_install_languages']) { echo 'checked="checked"'; }?>  /><label for="ai_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="auto_install_languages" value="0" id="ai_n" <?php if(!$_config['auto_install_languages']) { echo 'checked="checked"'; }?>  /><label for="ai_n"><?php echo _AT('disable'); ?></label>
 366                 <?php endif; ?>
 367         </div>
 368
 369         <div class="row">
 370                 <?php echo _AT('pretty_url'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['pretty_url'] ? _AT('enable') : _AT('disable')); ?>)<br />
 371                 <input type="radio" name="pretty_url" value="1" id="pu_y" <?php if($_config['pretty_url']) { echo 'checked="checked"'; }?> onclick="apache_mod_rewrite_toggler(true);"/><label for="pu_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="pretty_url" value="0" id="pu_n" <?php if(!$_config['pretty_url']) { echo 'checked="checked"'; }?> onclick="apache_mod_rewrite_toggler(false);"/><label for="pu_n"><?php echo _AT('disable'); ?></label>
 372         </div>
 373
 374         <div class="row">
 375                 <?php echo _AT('course_dir_name'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['course_dir_name'] ? _AT('enable') : _AT('disable')); ?>)<br />
 376                 <input type="radio" name="course_dir_name" value="1" id="cdn_y" <?php if($_config['course_dir_name']) { echo 'checked="checked"'; }?> /><label for="cdn_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="course_dir_name" value="0" id="cdn_n" <?php if(!$_config['course_dir_name']) { echo 'checked="checked"'; }?>  /><label for="cdn_n"><?php echo _AT('disable'); ?></label>
 377         </div>
 378
 379         <div class="row">
 380                 <?php echo _AT('apache_mod_rewrite'); ?><br />
 381                 <?php if (function_exists('apache_get_modules') && in_array('mod_rewrite', apache_get_modules())): ?>
 382                         <?php echo _AT('mod_rewrite'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['apache_mod_rewrite'] ? _AT('enable') : _AT('disable')); ?>)<br />
 383                         <input type="radio" name="apache_mod_rewrite" value="1" id="mr_y" <?php if($_config['apache_mod_rewrite']) { echo 'checked="checked"'; }?> /><label for="mr_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="apache_mod_rewrite" value="0" id="mr_n" <?php if(!$_config['apache_mod_rewrite']) { echo 'checked="checked"'; }?>  /><label for="mr_n"><?php echo _AT('disable'); ?></label>
 384                 <?php else: ?>
 385                         <?php echo _AT('mod_rewrite'); ?> (<?php echo _AT('default'); ?>: <?php echo ($_config_defaults['apache_mod_rewrite'] ? _AT('enable') : _AT('disable')); ?>)<br />
 386                         <input type="radio" name="apache_mod_rewrite" value="1" id="mr_y" disabled="disabled" /><label for="mr_y"><?php echo _AT('enable'); ?></label> <input type="radio" name="apache_mod_rewrite" value="0" id="mr_n" checked="checked" /><label for="mr_n"><?php echo _AT('disable'); ?></label>
 387                 <?php endif; ?>
 388         </div>
 389
 390         <div class="row buttons">
 391                         <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" accesskey="s"  />
 392                 <input type="submit" name="cancel" value="<?php echo _AT('cancel'); ?>"  />
 393         </div>
 394 </div>
 395 </form>
 396
 397
 398 <script type="text/javascript">
 399         function apache_mod_rewrite_toggler(enabled){
 400                 var obj_y = document.getElementById('mr_y');
 401                 var obj_n = document.getElementById('mr_n');
 402                 if(enabled==true) {
 403                         obj_y.disabled = "";
 404                 } else if (enabled==false){
 405                         obj_y.disabled = "disabled";
 406                         obj_n.checked = "checked";
 407                 }
 408         }
 409
 410         //Validate apache_mod data
 411         var pu_n = document.getElementById('pu_n');
 412         var obj_y = document.getElementById('mr_y');
 413         var obj_n = document.getElementById('mr_n');
 414         if (pu_n.checked == true){
 415                 obj_y.disabled = "disabled";
 416                 obj_n.checked = "checked";
 417         }
 418 </script>
 419
 420
 421 <?php
 422 require(AT_INCLUDE_PATH.'footer.inc.php');
 423 ?>