admin/index.php

   1 <?php // $Id$
   2
   3 /// Check that config.php exists, if not then call the install script
   4     if (!file_exists('../config.php')) {
   5         header('Location: ../install.php');
   6         die;
   7     }
   8
   9 /// Check that PHP is of a sufficient version
  10 /// Moved here because older versions do not allow while(@ob_end_clean());
  11     if (version_compare(phpversion(), "4.3.0") < 0) {
  12         $phpversion = phpversion();
  13         echo "Sorry, Moodle requires PHP 4.3.0 or later (currently using version $phpversion)";
  14         die;
  15     }
  16
  17 /// Turn off time limits and try to flush everything all the time, sometimes upgrades can be slow.
  18
  19     @set_time_limit(0);
  20     @ob_implicit_flush(true);
  21     while(@ob_end_clean()); // ob_end_flush prevents sending of headers
  22
  23
  24     require_once('../config.php');
  25     require_once($CFG->libdir.'/adminlib.php');  // Contains various admin-only functions
  26     require_once($CFG->libdir.'/ddllib.php'); // Install/upgrade related db functions
  27
  28     $id             = optional_param('id', '', PARAM_ALPHANUM);
  29     $confirmupgrade = optional_param('confirmupgrade', 0, PARAM_BOOL);
  30     $confirmrelease = optional_param('confirmrelease', 0, PARAM_BOOL);
  31     $agreelicense   = optional_param('agreelicense', 0, PARAM_BOOL);
  32     $autopilot      = optional_param('autopilot', 0, PARAM_BOOL);
  33     $ignoreupgradewarning = optional_param('ignoreupgradewarning', 0, PARAM_BOOL);
  34
  35 /// check upgrade status first
  36     if ($ignoreupgradewarning and !empty($_SESSION['upgraderunning'])) {
  37         $_SESSION['upgraderunning'] = 0;
  38     }
  39     upgrade_check_running("Upgrade already running in this session, please wait!<br />Click on the exclamation marks to ignore this warning (<a href=\"index.php?ignoreupgradewarning=1\">!!!</a>).", 10);
  40
  41 /// set install/upgrade autocontinue session flag
  42     if ($autopilot) {
  43         $_SESSION['installautopilot'] = $autopilot;
  44     }
  45
  46 /// Check some PHP server settings
  47
  48     $documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';
  49
  50     if (ini_get_bool('session.auto_start')) {
  51         error("The PHP server variable 'session.auto_start' should be Off - $documentationlink");
  52     }
  53
  54     if (ini_get_bool('magic_quotes_runtime')) {
  55         error("The PHP server variable 'magic_quotes_runtime' should be Off - $documentationlink");
  56     }
  57
  58     if (!ini_get_bool('file_uploads')) {
  59         error("The PHP server variable 'file_uploads' is not turned On - $documentationlink");
  60     }
  61
  62     if (empty($CFG->prefix) && $CFG->dbfamily != 'mysql') {  //Enforce prefixes for everybody but mysql
  63         error('$CFG->prefix can\'t be empty for your target DB (' . $CFG->dbtype . ')');
  64     }
  65
  66     if ($CFG->dbfamily == 'oracle' && strlen($CFG->prefix) > 2) { //Max prefix length for Oracle is 2cc
  67         error('$CFG->prefix maximum allowed length for Oracle DBs is 2cc.');
  68     }
  69
  70 /// Check that config.php has been edited
  71
  72     if ($CFG->wwwroot == "http://example.com/moodle") {
  73         error("Moodle has not been configured yet.  You need to edit config.php first.");
  74     }
  75
  76
  77 /// Check settings in config.php
  78
  79     $dirroot = dirname(realpath("../index.php"));
  80     if (!empty($dirroot) and $dirroot != $CFG->dirroot) {
  81         error("Please fix your settings in config.php:
  82               <p>You have:
  83               <p>\$CFG->dirroot = \"".addslashes($CFG->dirroot)."\";
  84               <p>but it should be:
  85               <p>\$CFG->dirroot = \"".addslashes($dirroot)."\";",
  86               "./");
  87     }
  88
  89 /// Set some necessary variables during set-up to avoid PHP warnings later on this page
  90     if (!isset($CFG->framename)) {
  91         $CFG->framename = "_top";
  92     }
  93     if (!isset($CFG->release)) {
  94         $CFG->release = "";
  95     }
  96     if (!isset($CFG->version)) {
  97         $CFG->version = "";
  98     }
  99
 100     if (is_readable("$CFG->dirroot/version.php")) {
 101         include_once("$CFG->dirroot/version.php");              # defines $version
 102     }
 103
 104     if (!$version or !$release) {
 105         error('Main version.php was not readable or specified');# without version, stop
 106     }
 107
 108 /// Check if the main tables have been installed yet or not.
 109
 110     if (! $tables = $db->Metatables() ) {    // No tables yet at all.
 111         $maintables = false;
 112
 113     } else {                                 // Check for missing main tables
 114         $maintables = true;
 115         $mtables = array("config", "course", "course_categories", "course_modules",
 116                          "course_sections", "log", "log_display", "modules",
 117                          "user");
 118         foreach ($mtables as $mtable) {
 119             if (!in_array($CFG->prefix.$mtable, $tables)) {
 120                 $maintables = false;
 121                 break;
 122             }
 123         }
 124     }
 125     if (! $maintables) {
 126     /// hide errors from headers in case debug enabled in config.php
 127         $origdebug = $CFG->debug;
 128         $CFG->debug = DEBUG_MINIMAL;
 129         error_reporting($CFG->debug);
 130         if (empty($agreelicense)) {
 131             $strlicense = get_string('license');
 132             print_header($strlicense, $strlicense, $strlicense, "", "", false, "&nbsp;", "&nbsp;");
 133             print_heading("<a href=\"http://moodle.org\">Moodle</a> - Modular Object-Oriented Dynamic Learning Environment");
 134             print_heading(get_string('copyrightnotice'));
 135             print_box(text_to_html(get_string('gpl')), 'copyrightnotice');
 136             echo "<br />";
 137             notice_yesno(get_string('doyouagree'), "index.php?agreelicense=1",
 138                                                    "http://docs.moodle.org/en/License");
 139             print_footer('none');
 140             exit;
 141         }
 142         if (empty($confirmrelease)) {
 143             $strcurrentrelease = get_string("currentrelease");
 144             print_header($strcurrentrelease, $strcurrentrelease, $strcurrentrelease, "", "", false, "&nbsp;", "&nbsp;");
 145             print_heading("Moodle $release");
 146             print_box(get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes'), 'generalbox boxaligncenter boxwidthwide');
 147             echo '<form action="index.php"><div>';
 148             echo '<input type="hidden" name="agreelicense" value="1" />';
 149             echo '<input type="hidden" name="confirmrelease" value="1" />';
 150             echo '</div>';
 151             echo '<div class="continuebutton"><input name="autopilot" id="autopilot" type="checkbox" value="1" /><label for="autopilot">'.get_string('unattendedoperation', 'admin').'</label>';
 152             echo '<br /><br /><input type="submit" value="'.get_string('continue').'" /></div>';
 153             echo '</form>';
 154             print_footer('none');
 155             die;
 156         }
 157
 158         $strdatabasesetup    = get_string("databasesetup");
 159         $strdatabasesuccess  = get_string("databasesuccess");
 160         print_header($strdatabasesetup, $strdatabasesetup, $strdatabasesetup,
 161                         "", upgrade_get_javascript(), false, "&nbsp;", "&nbsp;");
 162     /// return to original debugging level
 163         $CFG->debug = $origdebug;
 164         error_reporting($CFG->debug);
 165         upgrade_log_start();
 166         $db->debug = true;
 167
 168     /// Both old .sql files and new install.xml are supported
 169     /// But we prioritise install.xml (XMLDB) if present
 170
 171         change_db_encoding(); // first try to change db encoding to utf8
 172         if (!setup_is_unicodedb()) {
 173             // If could not convert successfully, throw error, and prevent installation
 174             print_error('unicoderequired', 'admin');
 175         }
 176
 177         $status = false;
 178         if (file_exists("$CFG->libdir/db/install.xml")) {
 179             $status = install_from_xmldb_file("$CFG->libdir/db/install.xml"); //New method
 180         } else if (file_exists("$CFG->libdir/db/$CFG->dbtype.sql")) {
 181             $status = modify_database("$CFG->libdir/db/$CFG->dbtype.sql"); //Old method
 182         } else {
 183             error("Error: Your database ($CFG->dbtype) is not yet fully supported by Moodle or install.xml is not present.  See the lib/db directory.");
 184         }
 185
 186         // all new installs are in unicode - keep for backwards compatibility and 1.8 upgrade checks
 187         set_config('unicodedb', 1);
 188
 189     /// Continue with the instalation
 190         $db->debug = false;
 191         if ($status) {
 192             // Install the roles system.
 193             moodle_install_roles();
 194             set_config('statsrolesupgraded',time());
 195
 196             // Write default settings unconditionally (i.e. even if a setting is already set, overwrite it)
 197             // (this should only have any effect during initial install).
 198             $adminroot = admin_get_root();
 199             $adminroot->prune('backups'); // backup settings table not created yet
 200             apply_default_settings($adminroot);
 201
 202             /// This is used to handle any settings that must exist in $CFG but which do not exist in
 203             /// admin_get_root()/$ADMIN as admin_setting objects (there are some exceptions).
 204             apply_default_exception_settings(array('alternateloginurl' => '',
 205                                                    'auth' => 'email',
 206                                                    'auth_pop3mailbox' => 'INBOX',
 207                                                    'changepassword' => '',
 208                                                    'enrol' => 'manual',
 209                                                    'enrol_plugins_enabled' => 'manual',
 210                                                    'guestloginbutton' => 1,
 211                                                    'registerauth' => 'email',
 212                                                    'style' => 'default',
 213                                                    'template' => 'default',
 214                                                    'theme' => 'standardwhite',
 215                                                    'filter_multilang_converted' => 1));
 216
 217             notify($strdatabasesuccess, "green");
 218             require_once $CFG->dirroot.'/mnet/lib.php';
 219         } else {
 220             error("Error: Main databases NOT set up successfully");
 221         }
 222         print_continue('index.php');
 223         print_footer('none');
 224         die;
 225     }
 226
 227
 228 /// Check version of Moodle code on disk compared with database
 229 /// and upgrade if possible.
 230
 231     if (file_exists("$CFG->dirroot/lib/db/$CFG->dbtype.php")) {
 232         include_once("$CFG->dirroot/lib/db/$CFG->dbtype.php");  # defines old upgrades
 233     }
 234     if (file_exists("$CFG->dirroot/lib/db/upgrade.php")) {
 235         include_once("$CFG->dirroot/lib/db/upgrade.php");  # defines new upgrades
 236     }
 237
 238     $stradministration = get_string("administration");
 239
 240     if ($CFG->version) {
 241         if ($version > $CFG->version) {  // upgrade
 242
 243         /// If the database is not already Unicode then we do not allow upgrading!
 244         /// Instead, we print an error telling them to upgrade to 1.7 first.  MDL-6857
 245             if (empty($CFG->unicodedb)) {
 246                 print_error('unicodeupgradeerror', 'error', '', $version);
 247             }
 248
 249             $a->oldversion = "$CFG->release ($CFG->version)";
 250             $a->newversion = "$release ($version)";
 251             $strdatabasechecking = get_string("databasechecking", "", $a);
 252
 253             // hide errors from headers in case debug is enabled
 254             $origdebug = $CFG->debug;
 255             $CFG->debug = DEBUG_MINIMAL;
 256             error_reporting($CFG->debug);
 257
 258             // logout in case we are upgrading from pre 1.7 version - prevention of weird session problems
 259             if ($CFG->version < 2006050600) {
 260                 require_logout();
 261             }
 262
 263             if (empty($confirmupgrade)) {
 264                 print_header($strdatabasechecking, $stradministration, $strdatabasechecking,
 265                         "", "", false, "&nbsp;", "&nbsp;");
 266
 267                 notice_yesno(get_string('upgradesure', 'admin', $a->newversion), 'index.php?confirmupgrade=1', 'index.php');
 268                 exit;
 269
 270             } else if (empty($confirmrelease)){
 271                 $strcurrentrelease = get_string("currentrelease");
 272                 print_header($strcurrentrelease, $strcurrentrelease, $strcurrentrelease, "", "", false, "&nbsp;", "&nbsp;");
 273                 print_heading("Moodle $release");
 274                 print_box(get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes'));
 275
 276                 require_once($CFG->libdir.'/environmentlib.php');
 277                 print_heading(get_string('environment', 'admin'));
 278                 if (!check_moodle_environment($release, $environment_results, true)) {
 279                     notice_yesno(get_string('environmenterrorupgrade', 'admin'),
 280                                  'index.php?confirmupgrade=1&confirmrelease=1', 'index.php');
 281                 } else {
 282                     notify(get_string('environmentok', 'admin'), 'notifysuccess');
 283
 284                     echo '<form action="index.php"><div>';
 285                     echo '<input type="hidden" name="confirmupgrade" value="1" />';
 286                     echo '<input type="hidden" name="confirmrelease" value="1" />';
 287                     echo '</div>';
 288                     echo '<div class="continuebutton"><input name="autopilot" id="autopilot" type="checkbox" value="0" /><label for="autopilot">'.get_string('unattendedoperation', 'admin').'</label>';
 289                     echo '<br /><br /><input type="submit" value="'.get_string('continue').'" /></div>';
 290                     echo '</form>';
 291                 }
 292
 293                 print_footer('none');
 294                 die;
 295             } else {
 296                 $strdatabasesuccess  = get_string("databasesuccess");
 297                 print_header($strdatabasechecking, $stradministration, $strdatabasechecking,
 298                         "", upgrade_get_javascript(), false, "&nbsp;", "&nbsp;");
 299
 300             /// return to original debugging level
 301                 $CFG->debug = $origdebug;
 302                 error_reporting($CFG->debug);
 303                 upgrade_log_start();
 304
 305             /// Upgrade current language pack if we can
 306                 upgrade_language_pack();
 307
 308                 print_heading($strdatabasechecking);
 309                 $db->debug=true;
 310             /// Launch the old main upgrade (if exists)
 311                 $status = true;
 312                 if (function_exists('main_upgrade')) {
 313                     $status = main_upgrade($CFG->version);
 314                 }
 315             /// If succesful and exists launch the new main upgrade (XMLDB), called xmldb_main_upgrade
 316                 if ($status && function_exists('xmldb_main_upgrade')) {
 317                     $status = xmldb_main_upgrade($CFG->version);
 318                 }
 319                 $db->debug=false;
 320             /// If successful, continue upgrading roles and setting everything properly
 321                 if ($status) {
 322                     if (empty($CFG->rolesactive)) {
 323                         // Upgrade to the roles system.
 324                         moodle_install_roles();
 325                         set_config('rolesactive', 1);
 326                     } else if (!update_capabilities()) {
 327                         error('Had trouble upgrading the core capabilities for the Roles System');
 328                     }
 329                     require_once($CFG->libdir.'/statslib.php');
 330                     if (!stats_upgrade_for_roles_wrapper()) {
 331                         notify('Couldn\'t upgrade the stats tables to use the new roles system');
 332                     }
 333                     if (set_config("version", $version)) {
 334                         remove_dir($CFG->dataroot . '/cache', true); // flush cache
 335                         notify($strdatabasesuccess, "green");
 336                         print_continue("upgradesettings.php");
 337                         print_footer('none');
 338                         exit;
 339                     } else {
 340                         error('Upgrade failed!  (Could not update version in config table)');
 341                     }
 342             /// Main upgrade not success
 343                 } else {
 344                     notify('Main Upgrade failed!  See lib/db/upgrade.php');
 345                     print_continue('index.php?confirmupgrade=1&amp;confirmrelease=1');
 346                     print_footer('none');
 347                     die;
 348                 }
 349                 upgrade_log_finish();
 350             }
 351         } else if ($version < $CFG->version) {
 352             upgrade_log_start();
 353             notify("WARNING!!!  The code you are using is OLDER than the version that made these databases!");
 354             upgrade_log_finish();
 355         }
 356     } else {
 357         if (!set_config("version", $version)) {
 358             error("A problem occurred inserting current version into databases");
 359         }
 360     }
 361
 362 /// Updated human-readable release version if necessary
 363
 364     if ($release <> $CFG->release) {  // Update the release version
 365         if (!set_config("release", $release)) {
 366             error("ERROR: Could not update release version in database!!");
 367         }
 368     }
 369
 370 /// Find and check all main modules and load them up or upgrade them if necessary
 371 /// first old *.php update and then the new upgrade.php script
 372     upgrade_activity_modules("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 373
 374 /// Check all questiontype plugins and upgrade if necessary
 375 /// first old *.php update and then the new upgrade.php script
 376 /// It is important that this is done AFTER the quiz module has been upgraded
 377     upgrade_plugins('qtype', 'question/type', "$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 378
 379 /// Upgrade backup/restore system if necessary
 380 /// first old *.php update and then the new upgrade.php script
 381     require_once("$CFG->dirroot/backup/lib.php");
 382     upgrade_backup_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 383
 384 /// Upgrade blocks system if necessary
 385 /// first old *.php update and then the new upgrade.php script
 386     require_once("$CFG->dirroot/lib/blocklib.php");
 387     upgrade_blocks_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 388
 389 /// Check all blocks and load (or upgrade them if necessary)
 390 /// first old *.php update and then the new upgrade.php script
 391     upgrade_blocks_plugins("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 392
 393 /// Check all enrolment plugins and upgrade if necessary
 394 /// first old *.php update and then the new upgrade.php script
 395     upgrade_plugins('enrol', 'enrol', "$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 396
 397 /// Check all course formats and upgrade if necessary
 398     upgrade_plugins('format','course/format',"$CFG->wwwroot/$CFG->admin/index.php");
 399
 400 /// Check for local database customisations
 401 /// first old *.php update and then the new upgrade.php script
 402     require_once("$CFG->dirroot/lib/locallib.php");
 403     upgrade_local_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 404
 405 /// Check for new groups and upgrade if necessary. TODO:
 406     require_once("$CFG->dirroot/group/db/upgrade.php");
 407     upgrade_group_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 408
 409 /// Check for changes to RPC functions
 410     require_once($CFG->dirroot.'/admin/mnet/adminlib.php');
 411     upgrade_RPC_functions("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 412
 413
 414 /// just make sure upgrade logging is properly terminated
 415     upgrade_log_finish();
 416
 417     unset($_SESSION['installautopilot']);
 418
 419 /// Set up the blank site - to be customized later at the end of install.
 420     if (! $site = get_site()) {
 421         // We are about to create the site "course"
 422         require_once($CFG->libdir.'/blocklib.php');
 423
 424         $newsite = new Object();
 425         $newsite->fullname = "";
 426         $newsite->shortname = "";
 427         $newsite->summary = "";
 428         $newsite->newsitems = 3;
 429         $newsite->numsections = 0;
 430         $newsite->category = 0;
 431         $newsite->format = 'site';  // Only for this course
 432         $newsite->teacher = get_string("defaultcourseteacher");
 433         $newsite->teachers = get_string("defaultcourseteachers");
 434         $newsite->student = get_string("defaultcoursestudent");
 435         $newsite->students = get_string("defaultcoursestudents");
 436         $newsite->timemodified = time();
 437
 438         if ($newid = insert_record('course', $newsite)) {
 439             // Site created, add blocks for it
 440             $page = page_create_object(PAGE_COURSE_VIEW, $newid);
 441             blocks_repopulate_page($page); // Return value not checked because you can always edit later
 442
 443             $cat = new Object();
 444             $cat->name = get_string('miscellaneous');
 445             if (insert_record('course_categories', $cat)) {
 446                   redirect('index.php');
 447             } else {
 448                  error("Serious Error! Could not set up a default course category!");
 449             }
 450         } else {
 451             error("Serious Error! Could not set up the site!");
 452         }
 453     }
 454
 455     // initialise default blocks on admin and site page if needed
 456     if (empty($CFG->adminblocks_initialised)) {
 457         require_once("$CFG->dirroot/$CFG->admin/pagelib.php");
 458         require_once($CFG->libdir.'/blocklib.php');
 459         page_map_class(PAGE_ADMIN, 'page_admin');
 460         $page = page_create_object(PAGE_ADMIN, 0); // there must be some id number
 461         blocks_repopulate_page($page);
 462
 463         //add admin_tree block to site if not already present
 464         if ($admintree = get_record('block', 'name', 'admin_tree')) {
 465             $page = page_create_object(PAGE_COURSE_VIEW, SITEID);
 466             blocks_execute_action($page, blocks_get_by_page($page), 'add', (int)$admintree->id, false, false);
 467             if ($admintreeinstance = get_record('block_instance', 'pagetype', $page->type, 'pageid', SITEID, 'blockid', $admintree->id)) {
 468                 blocks_execute_action($page, blocks_get_by_page($page), 'moveleft', $admintreeinstance, false, false);
 469             }
 470         }
 471
 472         set_config('adminblocks_initialised', 1);
 473     }
 474
 475 /// Define the unique site ID code if it isn't already
 476     if (empty($CFG->siteidentifier)) {    // Unique site identification code
 477         set_config('siteidentifier', random_string(32).$_SERVER['HTTP_HOST']);
 478     }
 479
 480 /// Check if the guest user exists.  If not, create one.
 481     if (! record_exists("user", "username", "guest")) {
 482         $guest->auth        = "manual";
 483         $guest->username    = "guest";
 484         $guest->password    = md5("guest");
 485         $guest->firstname   = addslashes(get_string("guestuser"));
 486         $guest->lastname    = " ";
 487         $guest->email       = "root@localhost";
 488         $guest->description = addslashes(get_string("guestuserinfo"));
 489         $guest->mnethostid  = $CFG->mnet_localhost_id;
 490         $guest->confirmed   = 1;
 491         $guest->lang        = $CFG->lang;
 492         $guest->timemodified= time();
 493
 494         if (! $guest->id = insert_record("user", $guest)) {
 495             notify("Could not create guest user record !!!");
 496         }
 497     }
 498
 499
 500 /// Set up the admin user
 501     if (empty($CFG->rolesactive)) {
 502         create_admin_user();
 503     }
 504
 505 /// Check for valid admin user
 506     require_login();
 507
 508     $context = get_context_instance(CONTEXT_SYSTEM, SITEID);
 509
 510     require_capability('moodle/site:config', $context);
 511
 512 /// check that site is properly customized
 513     if (empty($site->shortname) or empty($site->shortname)) {
 514         redirect('settings.php?section=frontpagesettings&amp;return=site');
 515     }
 516
 517 /// Check if we are returning from moodle.org registration and if so, we mark that fact to remove reminders
 518
 519     if (!empty($id)) {
 520         if ($id == $CFG->siteidentifier) {
 521             set_config('registered', time());
 522         }
 523     }
 524
 525 /// Everything should now be set up, and the user is an admin
 526
 527 /// Print default admin page with notifications.
 528
 529     $adminroot = admin_get_root();
 530     admin_externalpage_setup('adminnotifications', $adminroot);
 531     admin_externalpage_print_header($adminroot);
 532
 533 /// Deprecated database! Warning!!
 534     if (!empty($CFG->migrated_to_new_db)) {
 535         print_box(print_string('dbmigrationdeprecateddb', 'admin'), 'generalbox adminwarning');
 536     }
 537
 538 /// Check for any special upgrades that might need to be run
 539     if (!empty($CFG->upgrade)) {
 540         print_box(get_string("upgrade$CFG->upgrade", "admin", "$CFG->wwwroot/$CFG->admin/upgrade$CFG->upgrade.php"));
 541     }
 542
 543     if (ini_get_bool('register_globals') && !ini_get_bool('magic_quotes_gpc')) {
 544         print_box(get_string('globalsquoteswarning', 'admin'), 'generalbox adminwarning');
 545     }
 546
 547     if (is_dataroot_insecure()) {
 548         print_box(get_string('datarootsecuritywarning', 'admin', $CFG->dataroot), 'generalbox adminwarning');
 549     }
 550
 551 /// If no recently cron run
 552     $lastcron = get_field_sql('SELECT max(lastcron) FROM ' . $CFG->prefix . 'modules');
 553     if (time() - $lastcron > 3600 * 24) {
 554         $strinstallation = get_string('installation', 'install');
 555         $helpbutton = helpbutton('install', $strinstallation, 'moodle', true, false, '', true);
 556         print_box(get_string('cronwarning', 'admin')."&nbsp;".$helpbutton, 'generalbox adminwarning');
 557     }
 558
 559 /// Print multilang upgrade notice if needed
 560     if (empty($CFG->filter_multilang_converted)) {
 561         print_box(get_string('multilangupgradenotice', 'admin'), 'generalbox adminwarning');
 562     }
 563
 564 /// Alert if we are currently in maintenance mode
 565     if (file_exists($CFG->dataroot.'/1/maintenance.html')) {
 566         print_box(get_string('sitemaintenancewarning', 'admin'), 'generalbox adminwarning');
 567     }
 568
 569
 570 /// Print slightly annoying registration button every six months   ;-)
 571 /// You can set the "registered" variable to something far in the future
 572 /// if you really want to prevent this.   eg  9999999999
 573     if (!isset($CFG->registered) || $CFG->registered < (time() - 3600*24*30*6)) {
 574         $options = array();
 575         $options['sesskey'] = $USER->sesskey;
 576         print_box_start('generalbox adminwarning');
 577         print_string('pleaseregister', 'admin');
 578         print_single_button('register.php', $options, get_string('registration'));
 579         print_box_end();
 580         $registrationbuttonshown = true;
 581     }
 582
 583     //////////////////////////////////////////////////////////////////////////////////////////////////
 584     ////  IT IS ILLEGAL AND A VIOLATION OF THE GPL TO HIDE, REMOVE OR MODIFY THIS COPYRIGHT NOTICE ///
 585     $copyrighttext = '<a href="http://moodle.org/">Moodle</a> '.
 586                      '<a href="http://docs.moodle.org/en/Release">'.$CFG->release.'</a> ('.$CFG->version.')<br />'.
 587                      'Copyright &copy; 1999 onwards, Martin Dougiamas<br />'.
 588                      'and <a href="http://docs.moodle.org/en/Credits">many other contributors</a>.<br />'.
 589                      '<a href="http://docs.moodle.org/en/License">GNU Public License</a>';
 590     print_box($copyrighttext, 'copyright');
 591     //////////////////////////////////////////////////////////////////////////////////////////////////
 592
 593
 594     if (empty($registrationbuttonshown)) {
 595         $options = array();
 596         $options['sesskey'] = $USER->sesskey;
 597         print_single_button('register.php', $options, get_string('registration'));
 598     }
 599
 600
 601     if (optional_param('dbmigrate')) {               // ??? Is this actually used?
 602         print_box_start();
 603         require_once($CFG->dirroot.'/'.$CFG->admin.'/utfdbmigrate.php');
 604         db_migrate2utf8();
 605         print_box_end();
 606     }
 607
 608
 609     admin_externalpage_print_footer($adminroot);
 610
 611
 612 ?>