admin/config.php

   1 <?PHP  // $Id$
   2        // config.php - allows admin to edit all configuration variables
   3
   4     require_once("../config.php");
   5
   6     if ($site = get_site()) {   // If false then this is a new installation
   7         require_login();
   8         if (!isadmin()) {
   9             error("Only the admin can use this page");
  10         }
  11     }
  12
  13 /// This is to overcome the "insecure forms paradox"
  14     if (isset($secureforms) and $secureforms == 0) {
  15         $match = "nomatch";
  16     } else {
  17         $match = "";
  18     }
  19
  20 /// If data submitted, then process and store.
  21
  22         if ($config = data_submitted($match)) {
  23
  24         if (!empty($USER->id)) {             // Additional identity check
  25             if (!confirm_sesskey()) {
  26                 error(get_string('confirmsesskeybad', 'error'));
  27             }
  28         }
  29
  30         validate_form($config, $err);
  31
  32         if (count($err) == 0) {
  33             print_header();
  34             foreach ($config as $name => $value) {
  35                 if ($name == "sessioncookie") {
  36                     $value = eregi_replace("[^a-zA-Z]", "", $value);
  37                 }
  38                 unset($conf);
  39                 $conf->name  = $name;
  40                 $conf->value = $value;
  41                 if ($current = get_record("config", "name", $name)) {
  42                     $conf->id = $current->id;
  43                     if (! update_record("config", $conf)) {
  44                         notify("Could not update $name to $value");
  45                     }
  46                 } else {
  47                     if (! insert_record("config", $conf)) {
  48                         notify("Error: could not add new variable $name !");
  49                     }
  50                 }
  51             }
  52             redirect("index.php", get_string("changessaved"), 1);
  53             exit;
  54
  55         } else {
  56             foreach ($err as $key => $value) {
  57                 $focus = "form.$key";
  58             }
  59         }
  60         }
  61
  62 /// Otherwise fill and print the form.
  63
  64     if (empty($config)) {
  65         $config = $CFG;
  66         if (!$config->locale = get_field("config", "value", "name", "locale")) {
  67             $config->locale = $CFG->lang;
  68         }
  69     }
  70     if (empty($focus)) {
  71         $focus = "";
  72     }
  73
  74     $stradmin = get_string("administration");
  75     $strconfiguration = get_string("configuration");
  76     $strconfigvariables = get_string("configvariables");
  77
  78     if ($site) {
  79         print_header("$site->shortname: $strconfigvariables", $site->fullname,
  80                       "<a href=\"index.php\">$stradmin</a> -> ".
  81                       "<a href=\"configure.php\">$strconfiguration</a> -> $strconfigvariables", $focus);
  82         print_heading($strconfigvariables);
  83     } else {
  84         print_header();
  85         print_heading($strconfigvariables);
  86         print_simple_box(get_string("configintro"), "center", "50%");
  87         echo "<br />";
  88     }
  89
  90     $sesskey = !empty($USER->id) ? $USER->sesskey : '';
  91
  92     print_simple_box_start("center", "", "$THEME->cellheading");
  93         include("config.html");
  94     print_simple_box_end();
  95
  96     /// Lock some options
  97
  98     $httpsurl = str_replace('http://', 'https://', $CFG->wwwroot);
  99     if ($httpsurl != $CFG->wwwroot) {
 100         if ((($fh = @fopen($httpsurl, 'r')) == false) and ($config->loginhttps == 0)) {
 101             echo '<script>'."\n";
 102             echo '<!--'."\n";
 103             echo "eval('document.form.loginhttps.disabled=true');\n";
 104             echo '-->'."\n";
 105             echo '</script>'."\n";
 106         }
 107     }
 108
 109
 110     if ($site) {
 111         print_footer();
 112     }
 113
 114     exit;
 115
 116 /// Functions /////////////////////////////////////////////////////////////////
 117
 118 function validate_form(&$form, &$err) {
 119
 120     // Currently no checks are needed ...
 121
 122     return true;
 123 }
 124
 125
 126 ?>