admin/index.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Main administration script.
  20  *
  21  * @package    core
  22  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 // Check that config.php exists, if not then call the install script
  27 if (!file_exists('../config.php')) {
  28     header('Location: ../install.php');
  29     die();
  30 }
  31
  32 // Check that PHP is of a sufficient version as soon as possible
  33 if (version_compare(phpversion(), '5.3.2') < 0) {
  34     $phpversion = phpversion();
  35     // do NOT localise - lang strings would not work here and we CAN NOT move it to later place
  36     echo "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).<br />";
  37     echo "Please upgrade your server software or install older Moodle version.";
  38     die();
  39 }
  40
  41 // make sure iconv is available and actually works
  42 if (!function_exists('iconv')) {
  43     // this should not happen, this must be very borked install
  44     echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
  45     die();
  46 }
  47
  48 define('NO_OUTPUT_BUFFERING', true);
  49
  50 require('../config.php');
  51 require_once($CFG->libdir.'/adminlib.php');    // various admin-only functions
  52 require_once($CFG->libdir.'/upgradelib.php');  // general upgrade/install related functions
  53 require_once($CFG->libdir.'/pluginlib.php');   // available updates notifications
  54
  55 $id             = optional_param('id', '', PARAM_TEXT);
  56 $confirmupgrade = optional_param('confirmupgrade', 0, PARAM_BOOL);
  57 $confirmrelease = optional_param('confirmrelease', 0, PARAM_BOOL);
  58 $confirmplugins = optional_param('confirmplugincheck', 0, PARAM_BOOL);
  59 $showallplugins = optional_param('showallplugins', 0, PARAM_BOOL);
  60 $agreelicense   = optional_param('agreelicense', 0, PARAM_BOOL);
  61 $fetchupdates   = optional_param('fetchupdates', 0, PARAM_BOOL);
  62
  63 // Check some PHP server settings
  64
  65 $PAGE->set_url('/admin/index.php');
  66 $PAGE->set_pagelayout('admin'); // Set a default pagelayout
  67
  68 $documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';
  69
  70 if (ini_get_bool('session.auto_start')) {
  71     print_error('phpvaroff', 'debug', '', (object)array('name'=>'session.auto_start', 'link'=>$documentationlink));
  72 }
  73
  74 if (ini_get_bool('magic_quotes_runtime')) {
  75     print_error('phpvaroff', 'debug', '', (object)array('name'=>'magic_quotes_runtime', 'link'=>$documentationlink));
  76 }
  77
  78 if (!ini_get_bool('file_uploads')) {
  79     print_error('phpvaron', 'debug', '', (object)array('name'=>'file_uploads', 'link'=>$documentationlink));
  80 }
  81
  82 if (is_float_problem()) {
  83     print_error('phpfloatproblem', 'admin', '', $documentationlink);
  84 }
  85
  86 // Set some necessary variables during set-up to avoid PHP warnings later on this page
  87 if (!isset($CFG->release)) {
  88     $CFG->release = '';
  89 }
  90 if (!isset($CFG->version)) {
  91     $CFG->version = '';
  92 }
  93 if (!isset($CFG->branch)) {
  94     $CFG->branch = '';
  95 }
  96
  97 $version = null;
  98 $release = null;
  99 $branch = null;
 100 require("$CFG->dirroot/version.php");       // defines $version, $release, $branch and $maturity
 101 $CFG->target_release = $release;            // used during installation and upgrades
 102
 103 if (!$version or !$release) {
 104     print_error('withoutversion', 'debug'); // without version, stop
 105 }
 106
 107 if (!core_tables_exist()) {
 108     $PAGE->set_pagelayout('maintenance');
 109     $PAGE->set_popup_notification_allowed(false);
 110
 111     // fake some settings
 112     $CFG->docroot = 'http://docs.moodle.org';
 113
 114     $strinstallation = get_string('installation', 'install');
 115
 116     // remove current session content completely
 117     session_get_instance()->terminate_current();
 118
 119     if (empty($agreelicense)) {
 120         $strlicense = get_string('license');
 121
 122         $PAGE->navbar->add($strlicense);
 123         $PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);
 124         $PAGE->set_heading($strinstallation);
 125         $PAGE->set_cacheable(false);
 126
 127         $output = $PAGE->get_renderer('core', 'admin');
 128         echo $output->install_licence_page();
 129         die();
 130     }
 131     if (empty($confirmrelease)) {
 132         require_once($CFG->libdir.'/environmentlib.php');
 133         list($envstatus, $environment_results) = check_moodle_environment(normalize_version($release), ENV_SELECT_RELEASE);
 134         $strcurrentrelease = get_string('currentrelease');
 135
 136         $PAGE->navbar->add($strcurrentrelease);
 137         $PAGE->set_title($strinstallation);
 138         $PAGE->set_heading($strinstallation . ' - Moodle ' . $CFG->target_release);
 139         $PAGE->set_cacheable(false);
 140
 141         $output = $PAGE->get_renderer('core', 'admin');
 142         echo $output->install_environment_page($maturity, $envstatus, $environment_results, $release);
 143         die();
 144     }
 145
 146     // check plugin dependencies
 147     $failed = array();
 148     if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
 149         $PAGE->navbar->add(get_string('pluginscheck', 'admin'));
 150         $PAGE->set_title($strinstallation);
 151         $PAGE->set_heading($strinstallation . ' - Moodle ' . $CFG->target_release);
 152
 153         $output = $PAGE->get_renderer('core', 'admin');
 154         $url = new moodle_url('/admin/index.php', array('agreelicense' => 1, 'confirmrelease' => 1, 'lang' => $CFG->lang));
 155         echo $output->unsatisfied_dependencies_page($version, $failed, $url);
 156         die();
 157     }
 158     unset($failed);
 159
 160     //TODO: add a page with list of non-standard plugins here
 161
 162     $strdatabasesetup = get_string('databasesetup');
 163     upgrade_init_javascript();
 164
 165     $PAGE->navbar->add($strdatabasesetup);
 166     $PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);
 167     $PAGE->set_heading($strinstallation);
 168     $PAGE->set_cacheable(false);
 169
 170     $output = $PAGE->get_renderer('core', 'admin');
 171     echo $output->header();
 172
 173     if (!$DB->setup_is_unicodedb()) {
 174         if (!$DB->change_db_encoding()) {
 175             // If could not convert successfully, throw error, and prevent installation
 176             print_error('unicoderequired', 'admin');
 177         }
 178     }
 179
 180     install_core($version, true);
 181 }
 182
 183
 184 // Check version of Moodle code on disk compared with database
 185 // and upgrade if possible.
 186
 187 $stradministration = get_string('administration');
 188 $PAGE->set_context(context_system::instance());
 189
 190 if (empty($CFG->version)) {
 191     print_error('missingconfigversion', 'debug');
 192 }
 193
 194 if ($version > $CFG->version) {  // upgrade
 195     purge_all_caches();
 196     $PAGE->set_pagelayout('maintenance');
 197     $PAGE->set_popup_notification_allowed(false);
 198
 199     if (upgrade_stale_php_files_present()) {
 200         $PAGE->set_title($stradministration);
 201         $PAGE->set_cacheable(false);
 202
 203         $output = $PAGE->get_renderer('core', 'admin');
 204         echo $output->upgrade_stale_php_files_page();
 205         die();
 206     }
 207
 208     if (empty($confirmupgrade)) {
 209         $a = new stdClass();
 210         $a->oldversion = "$CFG->release ($CFG->version)";
 211         $a->newversion = "$release ($version)";
 212         $strdatabasechecking = get_string('databasechecking', '', $a);
 213
 214         $PAGE->set_title($stradministration);
 215         $PAGE->set_heading($strdatabasechecking);
 216         $PAGE->set_cacheable(false);
 217
 218         $output = $PAGE->get_renderer('core', 'admin');
 219         echo $output->upgrade_confirm_page($a->newversion, $maturity);
 220         die();
 221
 222     } else if (empty($confirmrelease)){
 223         require_once($CFG->libdir.'/environmentlib.php');
 224         list($envstatus, $environment_results) = check_moodle_environment($release, ENV_SELECT_RELEASE);
 225         $strcurrentrelease = get_string('currentrelease');
 226
 227         $PAGE->navbar->add($strcurrentrelease);
 228         $PAGE->set_title($strcurrentrelease);
 229         $PAGE->set_heading($strcurrentrelease);
 230         $PAGE->set_cacheable(false);
 231
 232         $output = $PAGE->get_renderer('core', 'admin');
 233         echo $output->upgrade_environment_page($release, $envstatus, $environment_results);
 234         die();
 235
 236     } else if (empty($confirmplugins)) {
 237         $strplugincheck = get_string('plugincheck');
 238
 239         $PAGE->navbar->add($strplugincheck);
 240         $PAGE->set_title($strplugincheck);
 241         $PAGE->set_heading($strplugincheck);
 242         $PAGE->set_cacheable(false);
 243
 244         $reloadurl = new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1));
 245
 246         // check plugin dependencies first
 247         $failed = array();
 248         if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
 249             $output = $PAGE->get_renderer('core', 'admin');
 250             echo $output->unsatisfied_dependencies_page($version, $failed, $reloadurl);
 251             die();
 252         }
 253         unset($failed);
 254
 255         if ($fetchupdates) {
 256             // no sesskey support guaranteed here
 257             if (empty($CFG->disableupdatenotifications)) {
 258                 available_update_checker::instance()->fetch();
 259             }
 260             redirect($reloadurl);
 261         }
 262
 263         $output = $PAGE->get_renderer('core', 'admin');
 264
 265         $deployer = available_update_deployer::instance();
 266         if ($deployer->enabled()) {
 267             $deployer->initialize($reloadurl, $reloadurl);
 268
 269             $deploydata = $deployer->submitted_data();
 270             if (!empty($deploydata)) {
 271                 echo $output->upgrade_plugin_confirm_deploy_page($deployer, $deploydata);
 272                 die();
 273             }
 274         }
 275
 276         echo $output->upgrade_plugin_check_page(plugin_manager::instance(), available_update_checker::instance(),
 277                 $version, $showallplugins, $reloadurl,
 278                 new moodle_url('/admin/index.php', array('confirmupgrade'=>1, 'confirmrelease'=>1, 'confirmplugincheck'=>1)));
 279         die();
 280
 281     } else {
 282         // Launch main upgrade
 283         upgrade_core($version, true);
 284     }
 285 } else if ($version < $CFG->version) {
 286     // better stop here, we can not continue with plugin upgrades or anything else
 287     throw new moodle_exception('downgradedcore', 'error', new moodle_url('/admin/'));
 288 }
 289
 290 // Updated human-readable release version if necessary
 291 if ($release <> $CFG->release) {  // Update the release version
 292     set_config('release', $release);
 293 }
 294
 295 if ($branch <> $CFG->branch) {  // Update the branch
 296     set_config('branch', $branch);
 297 }
 298
 299 if (moodle_needs_upgrading()) {
 300     if (!$PAGE->headerprinted) {
 301         // means core upgrade or installation was not already done
 302         if (!$confirmplugins) {
 303             $strplugincheck = get_string('plugincheck');
 304
 305             $PAGE->set_pagelayout('maintenance');
 306             $PAGE->set_popup_notification_allowed(false);
 307             $PAGE->navbar->add($strplugincheck);
 308             $PAGE->set_title($strplugincheck);
 309             $PAGE->set_heading($strplugincheck);
 310             $PAGE->set_cacheable(false);
 311
 312             if ($fetchupdates) {
 313                 // no sesskey support guaranteed here
 314                 available_update_checker::instance()->fetch();
 315                 redirect($PAGE->url);
 316             }
 317
 318             $output = $PAGE->get_renderer('core', 'admin');
 319
 320             $deployer = available_update_deployer::instance();
 321             if ($deployer->enabled()) {
 322                 $deployer->initialize($PAGE->url, $PAGE->url);
 323
 324                 $deploydata = $deployer->submitted_data();
 325                 if (!empty($deploydata)) {
 326                     echo $output->upgrade_plugin_confirm_deploy_page($deployer, $deploydata);
 327                     die();
 328                 }
 329             }
 330
 331             // check plugin dependencies first
 332             $failed = array();
 333             if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
 334                 echo $output->unsatisfied_dependencies_page($version, $failed, $PAGE->url);
 335                 die();
 336             }
 337             unset($failed);
 338
 339             // dependencies check passed, let's rock!
 340             echo $output->upgrade_plugin_check_page(plugin_manager::instance(), available_update_checker::instance(),
 341                     $version, $showallplugins,
 342                     new moodle_url($PAGE->url),
 343                     new moodle_url('/admin/index.php', array('confirmplugincheck'=>1)));
 344             die();
 345         }
 346     }
 347     // install/upgrade all plugins and other parts
 348     upgrade_noncore(true);
 349 }
 350
 351 // If this is the first install, indicate that this site is fully configured
 352 // except the admin password
 353 if (during_initial_install()) {
 354     set_config('rolesactive', 1); // after this, during_initial_install will return false.
 355     set_config('adminsetuppending', 1);
 356     // we need this redirect to setup proper session
 357     upgrade_finished("index.php?sessionstarted=1&amp;lang=$CFG->lang");
 358 }
 359
 360 // make sure admin user is created - this is the last step because we need
 361 // session to be working properly in order to edit admin account
 362  if (!empty($CFG->adminsetuppending)) {
 363     $sessionstarted = optional_param('sessionstarted', 0, PARAM_BOOL);
 364     if (!$sessionstarted) {
 365         redirect("index.php?sessionstarted=1&lang=$CFG->lang");
 366     } else {
 367         $sessionverify = optional_param('sessionverify', 0, PARAM_BOOL);
 368         if (!$sessionverify) {
 369             $SESSION->sessionverify = 1;
 370             redirect("index.php?sessionstarted=1&sessionverify=1&lang=$CFG->lang");
 371         } else {
 372             if (empty($SESSION->sessionverify)) {
 373                 print_error('installsessionerror', 'admin', "index.php?sessionstarted=1&lang=$CFG->lang");
 374             }
 375             unset($SESSION->sessionverify);
 376         }
 377     }
 378
 379     // at this stage there can be only one admin unless more were added by install - users may change username, so do not rely on that
 380     $adminids = explode(',', $CFG->siteadmins);
 381     $adminuser = get_complete_user_data('id', reset($adminids));
 382
 383     if ($adminuser->password === 'adminsetuppending') {
 384         // prevent installation hijacking
 385         if ($adminuser->lastip !== getremoteaddr()) {
 386             print_error('installhijacked', 'admin');
 387         }
 388         // login user and let him set password and admin details
 389         $adminuser->newadminuser = 1;
 390         complete_user_login($adminuser);
 391         redirect("$CFG->wwwroot/user/editadvanced.php?id=$adminuser->id"); // Edit thyself
 392
 393     } else {
 394         unset_config('adminsetuppending');
 395     }
 396
 397 } else {
 398     // just make sure upgrade logging is properly terminated
 399     upgrade_finished('upgradesettings.php');
 400 }
 401
 402 // Check for valid admin user - no guest autologin
 403 require_login(0, false);
 404 $context = context_system::instance();
 405 require_capability('moodle/site:config', $context);
 406
 407 // check that site is properly customized
 408 $site = get_site();
 409 if (empty($site->shortname)) {
 410     // probably new installation - lets return to frontpage after this step
 411     // remove settings that we want uninitialised
 412     unset_config('registerauth');
 413     redirect('upgradesettings.php?return=site');
 414 }
 415
 416 // Check if we are returning from moodle.org registration and if so, we mark that fact to remove reminders
 417 if (!empty($id) and $id == $CFG->siteidentifier) {
 418     set_config('registered', time());
 419 }
 420
 421 // setup critical warnings before printing admin tree block
 422 $insecuredataroot = is_dataroot_insecure(true);
 423 $SESSION->admin_critical_warning = ($insecuredataroot==INSECURE_DATAROOT_ERROR);
 424
 425 $adminroot = admin_get_root();
 426
 427 // Check if there are any new admin settings which have still yet to be set
 428 if (any_new_admin_settings($adminroot)){
 429     redirect('upgradesettings.php');
 430 }
 431
 432 // Everything should now be set up, and the user is an admin
 433
 434 // Print default admin page with notifications.
 435 $errorsdisplayed = defined('WARN_DISPLAY_ERRORS_ENABLED');
 436
 437 $lastcron = $DB->get_field_sql('SELECT MAX(lastcron) FROM {modules}');
 438 $cronoverdue = ($lastcron < time() - 3600 * 24);
 439 $dbproblems = $DB->diagnose();
 440 $maintenancemode = !empty($CFG->maintenance_enabled);
 441
 442 // Available updates for Moodle core
 443 $updateschecker = available_update_checker::instance();
 444 $availableupdates = array();
 445 $availableupdates['core'] = $updateschecker->get_update_info('core',
 446     array('minmaturity' => $CFG->updateminmaturity, 'notifybuilds' => $CFG->updatenotifybuilds));
 447
 448 // Available updates for contributed plugins
 449 $pluginman = plugin_manager::instance();
 450 foreach ($pluginman->get_plugins() as $plugintype => $plugintypeinstances) {
 451     foreach ($plugintypeinstances as $pluginname => $plugininfo) {
 452         if (!empty($plugininfo->availableupdates)) {
 453             foreach ($plugininfo->availableupdates as $pluginavailableupdate) {
 454                 if ($pluginavailableupdate->version > $plugininfo->versiondisk) {
 455                     if (!isset($availableupdates[$plugintype.'_'.$pluginname])) {
 456                         $availableupdates[$plugintype.'_'.$pluginname] = array();
 457                     }
 458                     $availableupdates[$plugintype.'_'.$pluginname][] = $pluginavailableupdate;
 459                 }
 460             }
 461         }
 462     }
 463 }
 464
 465 // The timestamp of the most recent check for available updates
 466 $availableupdatesfetch = $updateschecker->get_last_timefetched();
 467
 468 $buggyiconvnomb = (!function_exists('mb_convert_encoding') and @iconv('UTF-8', 'UTF-8//IGNORE', '100'.chr(130).'€') !== '100€');
 469 //check if the site is registered on Moodle.org
 470 $registered = $DB->count_records('registration_hubs', array('huburl' => HUB_MOODLEORGHUBURL, 'confirmed' => 1));
 471
 472 admin_externalpage_setup('adminnotifications');
 473
 474 if ($fetchupdates) {
 475     require_sesskey();
 476     $updateschecker->fetch();
 477     redirect($PAGE->url);
 478 }
 479
 480 $output = $PAGE->get_renderer('core', 'admin');
 481 echo $output->admin_notifications_page($maturity, $insecuredataroot, $errorsdisplayed,
 482         $cronoverdue, $dbproblems, $maintenancemode, $availableupdates, $availableupdatesfetch, $buggyiconvnomb,
 483         $registered);