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($CFG->libdir.'/ddllib.php'); // Install/upgrade related db functions
  27     require_once($CFG->libdir.'/db/upgradelib.php');  // Upgrade-related functions
  28
  29     $id             = optional_param('id', '', PARAM_TEXT);
  30     $confirmupgrade = optional_param('confirmupgrade', 0, PARAM_BOOL);
  31     $confirmrelease = optional_param('confirmrelease', 0, PARAM_BOOL);
  32     $agreelicense   = optional_param('agreelicense', 0, PARAM_BOOL);
  33     $autopilot      = optional_param('autopilot', 0, PARAM_BOOL);
  34     $ignoreupgradewarning = optional_param('ignoreupgradewarning', 0, PARAM_BOOL);
  35     $confirmplugincheck = optional_param('confirmplugincheck', 0, PARAM_BOOL);
  36
  37 /// check upgrade status first
  38     if ($ignoreupgradewarning and !empty($_SESSION['upgraderunning'])) {
  39         $_SESSION['upgraderunning'] = 0;
  40     }
  41     upgrade_check_running("Upgrade already running in this session, please wait!<br />Click on the exclamation marks to ignore this warning (<a href=\"index.php?ignoreupgradewarning=1\">!!!</a>).", 10);
  42
  43 /// set install/upgrade autocontinue session flag
  44     if ($autopilot) {
  45         $_SESSION['installautopilot'] = $autopilot;
  46     }
  47
  48 /// Check some PHP server settings
  49
  50     $documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';
  51
  52     if (ini_get_bool('session.auto_start')) {
  53         error("The PHP server variable 'session.auto_start' should be Off - $documentationlink");
  54     }
  55
  56     if (ini_get_bool('magic_quotes_runtime')) {
  57         error("The PHP server variable 'magic_quotes_runtime' should be Off - $documentationlink");
  58     }
  59
  60     if (!ini_get_bool('file_uploads')) {
  61         error("The PHP server variable 'file_uploads' is not turned On - $documentationlink");
  62     }
  63
  64     if (empty($CFG->prefix) && $CFG->dbfamily != 'mysql') {  //Enforce prefixes for everybody but mysql
  65         error('$CFG->prefix can\'t be empty for your target DB (' . $CFG->dbtype . ')');
  66     }
  67
  68     if ($CFG->dbfamily == 'oracle' && strlen($CFG->prefix) > 2) { //Max prefix length for Oracle is 2cc
  69         error('$CFG->prefix maximum allowed length for Oracle DBs is 2cc.');
  70     }
  71
  72 /// Check that config.php has been edited
  73
  74     if ($CFG->wwwroot == "http://example.com/moodle") {
  75         error("Moodle has not been configured yet.  You need to edit config.php first.");
  76     }
  77
  78
  79 /// Check settings in config.php
  80
  81     $dirroot = dirname(realpath("../index.php"));
  82     if (!empty($dirroot) and $dirroot != $CFG->dirroot) {
  83         error("Please fix your settings in config.php:
  84               <p>You have:
  85               <p>\$CFG->dirroot = \"".addslashes($CFG->dirroot)."\";
  86               <p>but it should be:
  87               <p>\$CFG->dirroot = \"".addslashes($dirroot)."\";",
  88               "./");
  89     }
  90
  91 /// Set some necessary variables during set-up to avoid PHP warnings later on this page
  92     if (!isset($CFG->framename)) {
  93         $CFG->framename = "_top";
  94     }
  95     if (!isset($CFG->release)) {
  96         $CFG->release = "";
  97     }
  98     if (!isset($CFG->version)) {
  99         $CFG->version = "";
 100     }
 101
 102     if (is_readable("$CFG->dirroot/version.php")) {
 103         include_once("$CFG->dirroot/version.php");              # defines $version
 104     }
 105
 106     if (!$version or !$release) {
 107         error('Main version.php was not readable or specified');# without version, stop
 108     }
 109
 110 /// Check if the main tables have been installed yet or not.
 111
 112     if (! $tables = $db->Metatables() ) {    // No tables yet at all.
 113         $maintables = false;
 114
 115     } else {                                 // Check for missing main tables
 116         $maintables = true;
 117         $mtables = array("config", "course", "course_categories", "course_modules",
 118                          "course_sections", "log", "log_display", "modules",
 119                          "user");
 120         foreach ($mtables as $mtable) {
 121             if (!in_array($CFG->prefix.$mtable, $tables)) {
 122                 $maintables = false;
 123                 break;
 124             }
 125         }
 126     }
 127
 128     if (! $maintables) {
 129     /// hide errors from headers in case debug enabled in config.php
 130         $origdebug = $CFG->debug;
 131         $CFG->debug = DEBUG_MINIMAL;
 132         error_reporting($CFG->debug);
 133         if (empty($agreelicense)) {
 134             $strlicense = get_string('license');
 135             $navigation = build_navigation(array(array('name'=>$strlicense, 'link'=>null, 'type'=>'misc')));
 136             print_header($strlicense, $strlicense, $navigation, "", "", false, "&nbsp;", "&nbsp;");
 137             print_heading("<a href=\"http://moodle.org\">Moodle</a> - Modular Object-Oriented Dynamic Learning Environment");
 138             print_heading(get_string('copyrightnotice'));
 139             print_box(text_to_html(get_string('gpl')), 'copyrightnotice');
 140             echo "<br />";
 141             notice_yesno(get_string('doyouagree'), "index.php?agreelicense=1",
 142                                                    "http://docs.moodle.org/en/License");
 143             print_footer('none');
 144             exit;
 145         }
 146         if (empty($confirmrelease)) {
 147             $strcurrentrelease = get_string("currentrelease");
 148             $navigation = build_navigation(array(array('name'=>$strcurrentrelease, 'link'=>null, 'type'=>'misc')));
 149             print_header($strcurrentrelease, $strcurrentrelease, $navigation, "", "", false, "&nbsp;", "&nbsp;");
 150             print_heading("Moodle $release");
 151             print_box(get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes'), 'generalbox boxaligncenter boxwidthwide');
 152             echo '<form action="index.php"><div>';
 153             echo '<input type="hidden" name="agreelicense" value="1" />';
 154             echo '<input type="hidden" name="confirmrelease" value="1" />';
 155             echo '</div>';
 156             echo '<div class="continuebutton"><input name="autopilot" id="autopilot" type="checkbox" value="1" /><label for="autopilot">'.get_string('unattendedoperation', 'admin').'</label>';
 157             echo '<br /><br /><input type="submit" value="'.get_string('continue').'" /></div>';
 158             echo '</form>';
 159             print_footer('none');
 160             die;
 161         }
 162
 163
 164         $strdatabasesetup    = get_string("databasesetup");
 165         $strdatabasesuccess  = get_string("databasesuccess");
 166         $navigation = build_navigation(array(array('name'=>$strdatabasesetup, 'link'=>null, 'type'=>'misc')));
 167         print_header($strdatabasesetup, $strdatabasesetup, $navigation,
 168                         "", upgrade_get_javascript(), false, "&nbsp;", "&nbsp;");
 169     /// return to original debugging level
 170         $CFG->debug = $origdebug;
 171         error_reporting($CFG->debug);
 172         upgrade_log_start();
 173         $db->debug = true;
 174
 175     /// Both old .sql files and new install.xml are supported
 176     /// But we prioritise install.xml (XMLDB) if present
 177
 178         change_db_encoding(); // first try to change db encoding to utf8
 179         if (!setup_is_unicodedb()) {
 180             // If could not convert successfully, throw error, and prevent installation
 181             print_error('unicoderequired', 'admin');
 182         }
 183
 184         $status = false;
 185         if (file_exists("$CFG->libdir/db/install.xml")) {
 186             $status = install_from_xmldb_file("$CFG->libdir/db/install.xml"); //New method
 187         } else if (file_exists("$CFG->libdir/db/$CFG->dbtype.sql")) {
 188             $status = modify_database("$CFG->libdir/db/$CFG->dbtype.sql"); //Old method
 189         } else {
 190             error("Error: Your database ($CFG->dbtype) is not yet fully supported by Moodle or install.xml is not present.  See the lib/db directory.");
 191         }
 192
 193         // all new installs are in unicode - keep for backwards compatibility and 1.8 upgrade checks
 194         set_config('unicodedb', 1);
 195
 196     /// Continue with the instalation
 197         $db->debug = false;
 198         if ($status) {
 199
 200             /// Groups install is now in core above.
 201
 202             // Install the roles system.
 203             moodle_install_roles();
 204             set_config('statsrolesupgraded',time());
 205
 206             // install core event handlers
 207             events_update_definition();
 208
 209             /// This is used to handle any settings that must exist in $CFG but which do not exist in
 210             /// admin_get_root()/$ADMIN as admin_setting objects (there are some exceptions).
 211             apply_default_exception_settings(array('auth' => 'email',
 212                                                    'auth_pop3mailbox' => 'INBOX',
 213                                                    'enrol' => 'manual',
 214                                                    'enrol_plugins_enabled' => 'manual',
 215                                                    'style' => 'default',
 216                                                    'template' => 'default',
 217                                                    'theme' => 'standardwhite',
 218                                                    'filter_multilang_converted' => 1));
 219
 220             // Write default settings unconditionally (i.e. even if a setting is already set, overwrite it)
 221             // (this should only have any effect during initial install).
 222             admin_apply_default_settings(NULL, true);
 223
 224             notify($strdatabasesuccess, "green");
 225             require_once $CFG->dirroot.'/mnet/lib.php';
 226         } else {
 227             error("Error: Main databases NOT set up successfully");
 228         }
 229         print_continue('index.php');
 230         print_footer('none');
 231         die;
 232     }
 233
 234
 235 /// Check version of Moodle code on disk compared with database
 236 /// and upgrade if possible.
 237
 238     if (file_exists("$CFG->dirroot/lib/db/$CFG->dbtype.php")) {
 239         include_once("$CFG->dirroot/lib/db/$CFG->dbtype.php");  # defines old upgrades
 240     }
 241     if (file_exists("$CFG->dirroot/lib/db/upgrade.php")) {
 242         include_once("$CFG->dirroot/lib/db/upgrade.php");  # defines new upgrades
 243     }
 244
 245     $stradministration = get_string("administration");
 246
 247     if ($CFG->version) {
 248         if ($version > $CFG->version) {  // upgrade
 249
 250         /// If the database is not already Unicode then we do not allow upgrading!
 251         /// Instead, we print an error telling them to upgrade to 1.7 first.  MDL-6857
 252             if (empty($CFG->unicodedb)) {
 253                 print_error('unicodeupgradeerror', 'error', '', $version);
 254             }
 255
 256             $a->oldversion = "$CFG->release ($CFG->version)";
 257             $a->newversion = "$release ($version)";
 258             $strdatabasechecking = get_string("databasechecking", "", $a);
 259
 260             // hide errors from headers in case debug is enabled
 261             $origdebug = $CFG->debug;
 262             $CFG->debug = DEBUG_MINIMAL;
 263             error_reporting($CFG->debug);
 264
 265             // logo ut in case we are upgrading from pre 1.9 version in order to prevent
 266             // weird session/role problems caused by incorrect data in USER and SESSION
 267             if ($CFG->version < 2007101500) {
 268                 require_logout();
 269             }
 270
 271             if (empty($confirmupgrade)) {
 272                 $navigation = build_navigation(array(array('name'=>$strdatabasechecking, 'link'=>null, 'type'=>'misc')));
 273                 print_header($strdatabasechecking, $stradministration, $navigation,
 274                         "", "", false, "&nbsp;", "&nbsp;");
 275
 276                 notice_yesno(get_string('upgradesure', 'admin', $a->newversion), 'index.php?confirmupgrade=1', 'index.php');
 277                 print_footer('none');
 278                 exit;
 279
 280             } else if (empty($confirmrelease)){
 281                 $strcurrentrelease = get_string("currentrelease");
 282                 $navigation = build_navigation(array(array('name'=>$strcurrentrelease, 'link'=>null, 'type'=>'misc')));
 283                 print_header($strcurrentrelease, $strcurrentrelease, $navigation, "", "", false, "&nbsp;", "&nbsp;");
 284                 print_heading("Moodle $release");
 285                 print_box(get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes'));
 286
 287                 require_once($CFG->libdir.'/environmentlib.php');
 288                 print_heading(get_string('environment', 'admin'));
 289                 if (!check_moodle_environment($release, $environment_results, true)) {
 290                     print_box_start('generalbox', 'notice'); // MDL-8330
 291                     print_string('langpackwillbeupdated', 'admin');
 292                     print_box_end();
 293                     notice_yesno(get_string('environmenterrorupgrade', 'admin'),
 294                                  'index.php?confirmupgrade=1&confirmrelease=1', 'index.php');
 295                 } else {
 296                     notify(get_string('environmentok', 'admin'), 'notifysuccess');
 297                     print_box_start('generalbox', 'notice'); // MDL-8330
 298                     print_string('langpackwillbeupdated', 'admin');
 299                     print_box_end();
 300                     echo '<form action="index.php"><div>';
 301                     echo '<input type="hidden" name="confirmupgrade" value="1" />';
 302                     echo '<input type="hidden" name="confirmrelease" value="1" />';
 303                     echo '</div>';
 304                     echo '<div class="continuebutton">';
 305                     echo '<br /><br /><input type="submit" value="'.get_string('continue').'" /></div>';
 306                     echo '</form>';
 307                 }
 308
 309                 print_footer('none');
 310                 die;
 311             } elseif (empty($confirmplugincheck)) {
 312                 $strplugincheck = get_string('plugincheck');
 313                 $navigation = build_navigation(array(array('name'=>$strplugincheck, 'link'=>null, 'type'=>'misc')));
 314                 print_header($strplugincheck, $strplugincheck, $navigation, "", "", false, "&nbsp;", "&nbsp;");
 315                 print_heading($strplugincheck);
 316                 print_box_start('generalbox', 'notice'); // MDL-8330
 317                 print_string('pluginchecknotice');
 318                 print_box_end();
 319                 print_plugin_tables();
 320                 echo "<br />";
 321                 echo '<div class="continuebutton">';
 322                 print_single_button('index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1), get_string('reload'), 'get');
 323                 echo '</div><br />';
 324                 echo '<form action="index.php"><div>';
 325                 echo '<input type="hidden" name="confirmupgrade" value="1" />';
 326                 echo '<input type="hidden" name="confirmrelease" value="1" />';
 327                 echo '<input type="hidden" name="confirmplugincheck" value="1" />';
 328                 echo '</div>';
 329                 echo '<div class="continuebutton"><input name="autopilot" id="autopilot" type="checkbox" value="1" /><label for="autopilot">'.get_string('unattendedoperation', 'admin').'</label>';
 330                 echo '<br /><br /><input type="submit" value="'.get_string('continue').'" /></div>';
 331                 echo '</form>';
 332                 print_footer('none');
 333                 die();
 334
 335             } else {
 336                 $strdatabasesuccess  = get_string("databasesuccess");
 337                 $navigation = build_navigation(array(array('name'=>$strdatabasesuccess, 'link'=>null, 'type'=>'misc')));
 338                 print_header($strdatabasechecking, $stradministration, $navigation,
 339                         "", upgrade_get_javascript(), false, "&nbsp;", "&nbsp;");
 340
 341             /// return to original debugging level
 342                 $CFG->debug = $origdebug;
 343                 error_reporting($CFG->debug);
 344                 upgrade_log_start();
 345
 346             /// Upgrade current language pack if we can
 347                 upgrade_language_pack();
 348
 349                 print_heading($strdatabasechecking);
 350                 $db->debug=true;
 351             /// Launch the old main upgrade (if exists)
 352                 $status = true;
 353                 if (function_exists('main_upgrade')) {
 354                     $status = main_upgrade($CFG->version);
 355                 }
 356             /// If succesful and exists launch the new main upgrade (XMLDB), called xmldb_main_upgrade
 357                 if ($status && function_exists('xmldb_main_upgrade')) {
 358                     $status = xmldb_main_upgrade($CFG->version);
 359                 }
 360                 $db->debug=false;
 361             /// If successful, continue upgrading roles and setting everything properly
 362                 if ($status) {
 363                     if (empty($CFG->rolesactive)) {
 364
 365                         /// Groups upgrade is now in core above.
 366
 367                         // Upgrade to the roles system.
 368                         moodle_install_roles();
 369                         set_config('rolesactive', 1);
 370                     } else if (!update_capabilities()) {
 371                         error('Had trouble upgrading the core capabilities for the Roles System');
 372                     }
 373                     // update core events
 374                     events_update_definition();
 375
 376                     require_once($CFG->libdir.'/statslib.php');
 377                     if (!stats_upgrade_for_roles_wrapper()) {
 378                         notify('Couldn\'t upgrade the stats tables to use the new roles system');
 379                     }
 380                     if (set_config("version", $version)) {
 381                         remove_dir($CFG->dataroot . '/cache', true); // flush cache
 382                         notify($strdatabasesuccess, "green");
 383                         print_continue("upgradesettings.php");
 384                         print_footer('none');
 385                         exit;
 386                     } else {
 387                         error('Upgrade failed!  (Could not update version in config table)');
 388                     }
 389             /// Main upgrade not success
 390                 } else {
 391                     notify('Main Upgrade failed!  See lib/db/upgrade.php');
 392                     print_continue('index.php?confirmupgrade=1&amp;confirmrelease=1&amp;confirmplugincheck=1');
 393                     print_footer('none');
 394                     die;
 395                 }
 396                 upgrade_log_finish();
 397             }
 398         } else if ($version < $CFG->version) {
 399             upgrade_log_start();
 400             notify("WARNING!!!  The code you are using is OLDER than the version that made these databases!");
 401             upgrade_log_finish();
 402         }
 403     } else {
 404         if (!set_config("version", $version)) {
 405             error("A problem occurred inserting current version into databases");
 406         }
 407     }
 408
 409 /// Updated human-readable release version if necessary
 410
 411     if ($release <> $CFG->release) {  // Update the release version
 412         if (!set_config("release", $release)) {
 413             error("ERROR: Could not update release version in database!!");
 414         }
 415     }
 416
 417 /// Groups install/upgrade is now in core above.
 418
 419
 420 /// Find and check all main modules and load them up or upgrade them if necessary
 421 /// first old *.php update and then the new upgrade.php script
 422     upgrade_activity_modules("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 423
 424 /// Check all questiontype plugins and upgrade if necessary
 425 /// first old *.php update and then the new upgrade.php script
 426 /// It is important that this is done AFTER the quiz module has been upgraded
 427     upgrade_plugins('qtype', 'question/type', "$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 428
 429 /// Upgrade backup/restore system if necessary
 430 /// first old *.php update and then the new upgrade.php script
 431     require_once("$CFG->dirroot/backup/lib.php");
 432     upgrade_backup_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 433
 434 /// Upgrade blocks system if necessary
 435 /// first old *.php update and then the new upgrade.php script
 436     require_once("$CFG->dirroot/lib/blocklib.php");
 437     upgrade_blocks_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 438
 439 /// Check all blocks and load (or upgrade them if necessary)
 440 /// first old *.php update and then the new upgrade.php script
 441     upgrade_blocks_plugins("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 442
 443 /// Check all enrolment plugins and upgrade if necessary
 444 /// first old *.php update and then the new upgrade.php script
 445     upgrade_plugins('enrol', 'enrol', "$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 446
 447 /// Check all auth plugins and upgrade if necessary
 448     upgrade_plugins('auth','auth',"$CFG->wwwroot/$CFG->admin/index.php");
 449
 450 /// Check all course formats and upgrade if necessary
 451     upgrade_plugins('format','course/format',"$CFG->wwwroot/$CFG->admin/index.php");
 452
 453 /// Check for local database customisations
 454 /// first old *.php update and then the new upgrade.php script
 455     require_once("$CFG->dirroot/lib/locallib.php");
 456     upgrade_local_db("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 457
 458 /// Check for changes to RPC functions
 459     require_once("$CFG->dirroot/$CFG->admin/mnet/adminlib.php");
 460     upgrade_RPC_functions("$CFG->wwwroot/$CFG->admin/index.php");  // Return here afterwards
 461
 462 /// Upgrade all plugins for gradebook
 463     upgrade_plugins('gradeexport', 'grade/export', "$CFG->wwwroot/$CFG->admin/index.php");
 464     upgrade_plugins('gradeimport', 'grade/import', "$CFG->wwwroot/$CFG->admin/index.php");
 465     upgrade_plugins('gradereport', 'grade/report', "$CFG->wwwroot/$CFG->admin/index.php");
 466
 467 /// Check all message output plugins and upgrade if necessary
 468     upgrade_plugins('message','message/output',"$CFG->wwwroot/$CFG->admin/index.php");
 469
 470 /// Check all admin report plugins and upgrade if necessary
 471     upgrade_plugins('report', $CFG->admin.'/report', "$CFG->wwwroot/$CFG->admin/index.php");
 472
 473
 474 /// just make sure upgrade logging is properly terminated
 475     upgrade_log_finish();
 476
 477     unset($_SESSION['installautopilot']);
 478
 479 /// Set up the blank site - to be customized later at the end of install.
 480     if (! $site = get_site()) {
 481         // We are about to create the site "course"
 482         require_once($CFG->libdir.'/blocklib.php');
 483
 484         $newsite = new object();
 485         $newsite->fullname = "";
 486         $newsite->shortname = "";
 487         $newsite->summary = NULL;
 488         $newsite->newsitems = 3;
 489         $newsite->numsections = 0;
 490         $newsite->category = 0;
 491         $newsite->format = 'site';  // Only for this course
 492         $newsite->teacher = get_string("defaultcourseteacher");
 493         $newsite->teachers = get_string("defaultcourseteachers");
 494         $newsite->student = get_string("defaultcoursestudent");
 495         $newsite->students = get_string("defaultcoursestudents");
 496         $newsite->timemodified = time();
 497
 498         if (!$newid = insert_record('course', $newsite)) {
 499             error("Serious Error! Could not set up the site!");
 500         }
 501         // make sure course context exists
 502         get_context_instance(CONTEXT_COURSE, $newid);
 503
 504         // Site created, add blocks for it
 505         $page = page_create_object(PAGE_COURSE_VIEW, $newid);
 506         blocks_repopulate_page($page); // Return value not checked because you can always edit later
 507
 508         $cat = new object();
 509         $cat->name = get_string('miscellaneous');
 510         $cat->depth = 1;
 511         if (!$catid = insert_record('course_categories', $cat)) {
 512             error("Serious Error! Could not set up a default course category!");
 513         }
 514         // make sure category context exists
 515         get_context_instance(CONTEXT_COURSECAT, $catid);
 516         mark_context_dirty('/'.SYSCONTEXTID);
 517
 518         redirect('index.php');
 519     }
 520
 521     // initialise default blocks on admin and site page if needed
 522     if (empty($CFG->adminblocks_initialised)) {
 523         require_once("$CFG->dirroot/$CFG->admin/pagelib.php");
 524         require_once($CFG->libdir.'/blocklib.php');
 525         page_map_class(PAGE_ADMIN, 'page_admin');
 526         $page = page_create_object(PAGE_ADMIN, 0); // there must be some id number
 527         blocks_repopulate_page($page);
 528
 529         //add admin_tree block to site if not already present
 530         if ($admintree = get_record('block', 'name', 'admin_tree')) {
 531             $page = page_create_object(PAGE_COURSE_VIEW, SITEID);
 532             $pageblocks=blocks_get_by_page($page);
 533             blocks_execute_action($page, $pageblocks, 'add', (int)$admintree->id, false, false);
 534             if ($admintreeinstance = get_record('block_instance', 'pagetype', $page->type, 'pageid', SITEID, 'blockid', $admintree->id)) {
 535                 $pageblocks=blocks_get_by_page($page); // Needs to be re-got, since has just changed
 536                 blocks_execute_action($page, $pageblocks, 'moveleft', $admintreeinstance, false, false);
 537             }
 538         }
 539
 540         set_config('adminblocks_initialised', 1);
 541     }
 542
 543 /// Define the unique site ID code if it isn't already
 544     if (empty($CFG->siteidentifier)) {    // Unique site identification code
 545         set_config('siteidentifier', random_string(32).$_SERVER['HTTP_HOST']);
 546     }
 547
 548 /// Check if the guest user exists.  If not, create one.
 549     if (! record_exists("user", "username", "guest")) {
 550         if (! $guest = create_guest_record()) {
 551             notify("Could not create guest user record !!!");
 552         }
 553     }
 554
 555
 556 /// Set up the admin user
 557     if (empty($CFG->rolesactive)) {
 558         build_context_path(); // just in case - should not be needed
 559         create_admin_user();
 560     }
 561
 562 /// Check for valid admin user - no guest autologin
 563     require_login(0, false);
 564
 565     $context = get_context_instance(CONTEXT_SYSTEM);
 566
 567     require_capability('moodle/site:config', $context);
 568
 569 /// check that site is properly customized
 570     if (empty($site->shortname)) {
 571         // probably new installation - lets return to frontpage after this step
 572         // remove settings that we want uninitialised
 573         unset_config('registerauth');
 574         redirect('upgradesettings.php?return=site');
 575     }
 576
 577 /// Check if we are returning from moodle.org registration and if so, we mark that fact to remove reminders
 578
 579     if (!empty($id)) {
 580         if ($id == $CFG->siteidentifier) {
 581             set_config('registered', time());
 582         }
 583     }
 584
 585 /// setup critical warnings before printing admin tree block
 586     $insecuredataroot         = is_dataroot_insecure(true);
 587     $register_globals_enabled = ini_get_bool('register_globals');
 588
 589     $SESSION->admin_critical_warning = ($register_globals_enabled || $insecuredataroot==INSECURE_DATAROOT_ERROR);
 590
 591     $adminroot =& admin_get_root();
 592
 593 /// Check if there are any new admin settings which have still yet to be set
 594     if (any_new_admin_settings($adminroot)){
 595         redirect('upgradesettings.php');
 596     }
 597
 598 /// Everything should now be set up, and the user is an admin
 599
 600 /// Print default admin page with notifications.
 601
 602     admin_externalpage_setup('adminnotifications');
 603     admin_externalpage_print_header();
 604
 605 /// Deprecated database! Warning!!
 606     if (!empty($CFG->migrated_to_new_db)) {
 607         print_box(print_string('dbmigrationdeprecateddb', 'admin'), 'generalbox adminwarning');
 608     }
 609
 610 /// Check for any special upgrades that might need to be run
 611     if (!empty($CFG->upgrade)) {
 612         print_box(get_string("upgrade$CFG->upgrade", "admin", "$CFG->wwwroot/$CFG->admin/upgrade$CFG->upgrade.php"));
 613     }
 614
 615     if ($register_globals_enabled) {
 616         print_box(get_string('globalswarning', 'admin'), 'generalbox adminerror');
 617     }
 618
 619     if ($insecuredataroot == INSECURE_DATAROOT_WARNING) {
 620         print_box(get_string('datarootsecuritywarning', 'admin', $CFG->dataroot), 'generalbox adminwarning');
 621     } else if ($insecuredataroot == INSECURE_DATAROOT_ERROR) {
 622         print_box(get_string('datarootsecurityerror', 'admin', $CFG->dataroot), 'generalbox adminerror');
 623
 624     }
 625
 626     if (defined('WARN_DISPLAY_ERRORS_ENABLED')) {
 627         print_box(get_string('displayerrorswarning', 'admin'), 'generalbox adminwarning');
 628     }
 629
 630     if (substr($CFG->wwwroot, -1) == '/') {
 631         print_box(get_string('cfgwwwrootslashwarning', 'admin'), 'generalbox adminwarning');
 632     }
 633     if (strpos($ME, $CFG->httpswwwroot.'/') === false) {
 634         print_box(get_string('cfgwwwrootwarning', 'admin'), 'generalbox adminwarning');
 635     }
 636
 637 /// If no recently cron run
 638     $lastcron = get_field_sql('SELECT max(lastcron) FROM ' . $CFG->prefix . 'modules');
 639     if (time() - $lastcron > 3600 * 24) {
 640         $strinstallation = get_string('installation', 'install');
 641         $helpbutton = helpbutton('install', $strinstallation, 'moodle', true, false, '', true);
 642         print_box(get_string('cronwarning', 'admin')."&nbsp;".$helpbutton, 'generalbox adminwarning');
 643     }
 644
 645 /// Print multilang upgrade notice if needed
 646     if (empty($CFG->filter_multilang_converted)) {
 647         print_box(get_string('multilangupgradenotice', 'admin'), 'generalbox adminwarning');
 648     }
 649
 650 /// Alert if we are currently in maintenance mode
 651     if (file_exists($CFG->dataroot.'/1/maintenance.html')) {
 652         print_box(get_string('sitemaintenancewarning', 'admin'), 'generalbox adminwarning');
 653     }
 654
 655
 656 /// Print slightly annoying registration button
 657     $options = array();
 658     $options['sesskey'] = $USER->sesskey;
 659     print_box_start('generalbox adminwarning');
 660     if(!isset($CFG->registered)) {
 661        print_string('pleaseregister', 'admin');
 662     }
 663     else { /* if (isset($CFG->registered) && $CFG->registered < (time() - 3600*24*30*6)) { */
 664        print_string('pleaserefreshregistration', 'admin', userdate($CFG->registered));
 665     }
 666     print_single_button('register.php', $options, get_string('registration'));
 667     print_box_end();
 668
 669
 670     //////////////////////////////////////////////////////////////////////////////////////////////////
 671     ////  IT IS ILLEGAL AND A VIOLATION OF THE GPL TO HIDE, REMOVE OR MODIFY THIS COPYRIGHT NOTICE ///
 672     $copyrighttext = '<a href="http://moodle.org/">Moodle</a> '.
 673                      '<a href="http://docs.moodle.org/en/Release" title="'.$CFG->version.'">'.$CFG->release.'</a><br />'.
 674                      'Copyright &copy; 1999 onwards, Martin Dougiamas<br />'.
 675                      'and <a href="http://docs.moodle.org/en/Credits">many other contributors</a>.<br />'.
 676                      '<a href="http://docs.moodle.org/en/License">GNU Public License</a>';
 677     print_box($copyrighttext, 'copyright');
 678     //////////////////////////////////////////////////////////////////////////////////////////////////
 679
 680     admin_externalpage_print_footer();
 681
 682 ?>