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(), '5.2.0') < 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 "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion). ";
  37     echo "Please upgrade your server software or use latest Moodle 1.9.x instead.";
  38     die;
  39 }
  40
  41 define('NO_OUTPUT_BUFFERING', true);
  42
  43 require('../config.php');
  44 require_once($CFG->libdir.'/adminlib.php');    // various admin-only functions
  45 require_once($CFG->libdir.'/upgradelib.php');  // general upgrade/install related functions
  46
  47 $id             = optional_param('id', '', PARAM_TEXT);
  48 $confirmupgrade = optional_param('confirmupgrade', 0, PARAM_BOOL);
  49 $confirmrelease = optional_param('confirmrelease', 0, PARAM_BOOL);
  50 $confirmplugins = optional_param('confirmplugincheck', 0, PARAM_BOOL);
  51 $agreelicense   = optional_param('agreelicense', 0, PARAM_BOOL);
  52
  53 // Check some PHP server settings
  54
  55 $PAGE->set_url('/admin/index.php');
  56 $PAGE->set_pagelayout('admin'); // Set a default pagelayout
  57
  58 $documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';
  59
  60 if (ini_get_bool('session.auto_start')) {
  61     print_error('phpvaroff', 'debug', '', (object)array('name'=>'session.auto_start', 'link'=>$documentationlink));
  62 }
  63
  64 if (ini_get_bool('magic_quotes_runtime')) {
  65     print_error('phpvaroff', 'debug', '', (object)array('name'=>'magic_quotes_runtime', 'link'=>$documentationlink));
  66 }
  67
  68 if (!ini_get_bool('file_uploads')) {
  69     print_error('phpvaron', 'debug', '', (object)array('name'=>'file_uploads', 'link'=>$documentationlink));
  70 }
  71
  72 if (is_float_problem()) {
  73     print_error('phpfloatproblem', 'admin', '', $documentationlink);
  74 }
  75
  76 // Set some necessary variables during set-up to avoid PHP warnings later on this page
  77 if (!isset($CFG->framename)) {
  78     $CFG->framename = '_top';
  79 }
  80 if (!isset($CFG->release)) {
  81     $CFG->release = '';
  82 }
  83 if (!isset($CFG->version)) {
  84     $CFG->version = '';
  85 }
  86
  87 $version = null;
  88 $release = null;
  89 require("$CFG->dirroot/version.php");       // defines $version, $release and $maturity
  90 $CFG->target_release = $release;            // used during installation and upgrades
  91
  92 if (!$version or !$release) {
  93     print_error('withoutversion', 'debug'); // without version, stop
  94 }
  95
  96 // Turn off xmlstrictheaders during upgrade.
  97 $origxmlstrictheaders = !empty($CFG->xmlstrictheaders);
  98 $CFG->xmlstrictheaders = false;
  99
 100 if (!core_tables_exist()) {
 101     $PAGE->set_pagelayout('maintenance');
 102     $PAGE->set_popup_notification_allowed(false);
 103
 104     // fake some settings
 105     $CFG->docroot = 'http://docs.moodle.org';
 106
 107     $strinstallation = get_string('installation', 'install');
 108
 109     // remove current session content completely
 110     session_get_instance()->terminate_current();
 111
 112     if (empty($agreelicense)) {
 113         $strlicense = get_string('license');
 114         $PAGE->navbar->add($strlicense);
 115         $PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);
 116         $PAGE->set_heading($strinstallation);
 117         $PAGE->set_cacheable(false);
 118         echo $OUTPUT->header();
 119         echo $OUTPUT->heading('<a href="http://moodle.org">Moodle</a> - Modular Object-Oriented Dynamic Learning Environment');
 120         echo $OUTPUT->heading(get_string('copyrightnotice'));
 121         $copyrightnotice = text_to_html(get_string('gpl3'));
 122         $copyrightnotice = str_replace('target="_blank"', 'onclick="this.target=\'_blank\'"', $copyrightnotice); // extremely ugly validation hack
 123         echo $OUTPUT->box($copyrightnotice, 'copyrightnotice');
 124         echo '<br />';
 125         $continue = new single_button(new moodle_url('/admin/index.php', array('lang'=>$CFG->lang, 'agreelicense'=>1)), get_string('continue'), 'get');
 126         echo $OUTPUT->confirm(get_string('doyouagree'), $continue, "http://docs.moodle.org/en/License");
 127         echo $OUTPUT->footer();
 128         die;
 129     }
 130     if (empty($confirmrelease)) {
 131         $strcurrentrelease = get_string('currentrelease');
 132         $PAGE->navbar->add($strcurrentrelease);
 133         $PAGE->set_title($strinstallation);
 134         $PAGE->set_heading($strinstallation . ' - Moodle ' . $CFG->target_release);
 135         $PAGE->set_cacheable(false);
 136         echo $OUTPUT->header();
 137         echo $OUTPUT->heading("Moodle $release");
 138
 139         if (isset($maturity)) {
 140             // main version.php declares moodle code maturity
 141             if ($maturity < MATURITY_STABLE) {
 142                 $maturitylevel = get_string('maturity'.$maturity, 'admin');
 143                 echo $OUTPUT->box(
 144                     $OUTPUT->container(get_string('maturitycorewarning', 'admin', $maturitylevel)) .
 145                     $OUTPUT->container($OUTPUT->doc_link('admin/versions', get_string('morehelp'))),
 146                     'generalbox maturitywarning');
 147             }
 148         }
 149
 150         $releasenoteslink = get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes');
 151         $releasenoteslink = str_replace('target="_blank"', 'onclick="this.target=\'_blank\'"', $releasenoteslink); // extremely ugly validation hack
 152         echo $OUTPUT->box($releasenoteslink, 'generalbox releasenoteslink');
 153
 154         require_once($CFG->libdir.'/environmentlib.php');
 155         if (!check_moodle_environment($release, $environment_results, true, ENV_SELECT_RELEASE)) {
 156             print_upgrade_reload("index.php?agreelicense=1&amp;lang=$CFG->lang");
 157         } else {
 158             echo $OUTPUT->notification(get_string('environmentok', 'admin'), 'notifysuccess');
 159             echo $OUTPUT->continue_button(new moodle_url('/admin/index.php', array('agreelicense'=>1, 'confirmrelease'=>1, 'lang'=>$CFG->lang)));
 160         }
 161
 162         echo $OUTPUT->footer();
 163         die;
 164     }
 165
 166     $strdatabasesetup = get_string('databasesetup');
 167     upgrade_init_javascript();
 168     $PAGE->navbar->add($strdatabasesetup);
 169     $PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);
 170     $PAGE->set_heading($strinstallation);
 171     $PAGE->set_cacheable(false);
 172     echo $OUTPUT->header();
 173
 174     if (!$DB->setup_is_unicodedb()) {
 175         if (!$DB->change_db_encoding()) {
 176             // If could not convert successfully, throw error, and prevent installation
 177             print_error('unicoderequired', 'admin');
 178         }
 179     }
 180
 181     install_core($version, true);
 182 }
 183
 184
 185 // Check version of Moodle code on disk compared with database
 186 // and upgrade if possible.
 187
 188 $stradministration = get_string('administration');
 189 $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM));
 190
 191 if (empty($CFG->version)) {
 192     print_error('missingconfigversion', 'debug');
 193 }
 194
 195 if ($version > $CFG->version) {  // upgrade
 196     $PAGE->set_pagelayout('maintenance');
 197     $PAGE->set_popup_notification_allowed(false);
 198
 199     $a->oldversion = "$CFG->release ($CFG->version)";
 200     $a->newversion = "$release ($version)";
 201     $strdatabasechecking = get_string('databasechecking', '', $a);
 202
 203     if (empty($confirmupgrade)) {
 204         $PAGE->set_title($stradministration);
 205         $PAGE->set_heading($strdatabasechecking);
 206         $PAGE->set_cacheable(false);
 207         echo $OUTPUT->header();
 208         if (isset($maturity)) {
 209             // main version.php declares moodle code maturity
 210             if ($maturity < MATURITY_STABLE) {
 211                 $maturitylevel = get_string('maturity'.$maturity, 'admin');
 212                 echo $OUTPUT->box(
 213                     $OUTPUT->container(get_string('maturitycorewarning', 'admin', $maturitylevel)) .
 214                     $OUTPUT->container($OUTPUT->doc_link('admin/versions', get_string('morehelp'))),
 215                     'generalbox maturitywarning');
 216 }
 217         }
 218         $continueurl = new moodle_url('index.php', array('confirmupgrade' => 1));
 219         $cancelurl = new moodle_url('index.php');
 220         echo $OUTPUT->confirm(get_string('upgradesure', 'admin', $a->newversion), $continueurl, $cancelurl);
 221         echo $OUTPUT->footer();
 222         exit;
 223
 224     } else if (empty($confirmrelease)){
 225         $strcurrentrelease = get_string('currentrelease');
 226         $PAGE->navbar->add($strcurrentrelease);
 227         $PAGE->set_title($strcurrentrelease);
 228         $PAGE->set_heading($strcurrentrelease);
 229         $PAGE->set_cacheable(false);
 230         echo $OUTPUT->header();
 231         echo $OUTPUT->heading("Moodle $release");
 232         $releasenoteslink = get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/en/Release_Notes');
 233         $releasenoteslink = str_replace('target="_blank"', 'onclick="this.target=\'_blank\'"', $releasenoteslink); // extremely ugly validation hack
 234         echo $OUTPUT->box($releasenoteslink);
 235
 236         require_once($CFG->libdir.'/environmentlib.php');
 237         if (!check_moodle_environment($release, $environment_results, true, ENV_SELECT_RELEASE)) {
 238             print_upgrade_reload('index.php?confirmupgrade=1');
 239         } else {
 240             echo $OUTPUT->notification(get_string('environmentok', 'admin'), 'notifysuccess');
 241             if (empty($CFG->skiplangupgrade)) {
 242                 echo $OUTPUT->box_start('generalbox', 'notice');
 243                 print_string('langpackwillbeupdated', 'admin');
 244                 echo $OUTPUT->box_end();
 245             }
 246             echo $OUTPUT->continue_button('index.php?confirmupgrade=1&confirmrelease=1');
 247         }
 248
 249         echo $OUTPUT->footer();
 250         die;
 251
 252     } elseif (empty($confirmplugins)) {
 253         $strplugincheck = get_string('plugincheck');
 254         $PAGE->navbar->add($strplugincheck);
 255         $PAGE->set_title($strplugincheck);
 256         $PAGE->set_heading($strplugincheck);
 257         $PAGE->set_cacheable(false);
 258         echo $OUTPUT->header();
 259         echo $OUTPUT->heading($strplugincheck);
 260         echo $OUTPUT->box_start('generalbox', 'notice');
 261         print_string('pluginchecknotice');
 262         echo $OUTPUT->box_end();
 263         print_plugin_tables();
 264         print_upgrade_reload('index.php?confirmupgrade=1&amp;confirmrelease=1');
 265         $button = new single_button(new moodle_url('index.php', array('confirmupgrade'=>1, 'confirmrelease'=>1, 'confirmplugincheck'=>1)), get_string('upgradestart', 'admin'), 'get');
 266         $button->class = 'continuebutton';
 267         echo $OUTPUT->render($button);
 268         echo $OUTPUT->footer();
 269         die();
 270
 271     } else {
 272         // Launch main upgrade
 273         upgrade_core($version, true);
 274     }
 275 } else if ($version < $CFG->version) {
 276     // better stop here, we can not continue with plugin upgrades or anything else
 277     throw new moodle_exception('downgradedcore', 'error', new moodle_url('/admin/'));
 278 }
 279
 280 // Updated human-readable release version if necessary
 281 if ($release <> $CFG->release) {  // Update the release version
 282     set_config('release', $release);
 283 }
 284
 285 if (moodle_needs_upgrading()) {
 286     if (!$PAGE->headerprinted) {
 287         // means core upgrade or installation was not already done
 288         if (!$confirmplugins) {
 289             $PAGE->set_pagelayout('maintenance');
 290             $PAGE->set_popup_notification_allowed(false);
 291             $strplugincheck = get_string('plugincheck');
 292             $PAGE->navbar->add($strplugincheck);
 293             $PAGE->set_title($strplugincheck);
 294             $PAGE->set_heading($strplugincheck);
 295             $PAGE->set_cacheable(false);
 296             echo $OUTPUT->header();
 297             echo $OUTPUT->heading($strplugincheck);
 298             echo $OUTPUT->box_start('generalbox', 'notice');
 299             print_string('pluginchecknotice');
 300             echo $OUTPUT->box_end();
 301             print_plugin_tables();
 302             print_upgrade_reload('index.php');
 303             $button = new single_button(new moodle_url('index.php', array('confirmplugincheck'=>1)), get_string('upgradestart', 'admin'), 'get');
 304             $button->class = 'continuebutton';
 305             echo $OUTPUT->render($button);
 306             echo $OUTPUT->footer();
 307             die();
 308         }
 309     }
 310     // install/upgrade all plugins and other parts
 311     upgrade_noncore(true);
 312 }
 313
 314 // If this is the first install, indicate that this site is fully configured
 315 // except the admin password
 316 if (during_initial_install()) {
 317     set_config('rolesactive', 1); // after this, during_initial_install will return false.
 318     set_config('adminsetuppending', 1);
 319     // we need this redirect to setup proper session
 320     upgrade_finished("index.php?sessionstarted=1&amp;lang=$CFG->lang");
 321 }
 322
 323 // make sure admin user is created - this is the last step because we need
 324 // session to be working properly in order to edit admin account
 325  if (!empty($CFG->adminsetuppending)) {
 326     $sessionstarted = optional_param('sessionstarted', 0, PARAM_BOOL);
 327     if (!$sessionstarted) {
 328         redirect("index.php?sessionstarted=1&lang=$CFG->lang");
 329     } else {
 330         $sessionverify = optional_param('sessionverify', 0, PARAM_BOOL);
 331         if (!$sessionverify) {
 332             $SESSION->sessionverify = 1;
 333             redirect("index.php?sessionstarted=1&sessionverify=1&lang=$CFG->lang");
 334         } else {
 335             if (empty($SESSION->sessionverify)) {
 336                 print_error('installsessionerror', 'admin', "index.php?sessionstarted=1&lang=$CFG->lang");
 337             }
 338             unset($SESSION->sessionverify);
 339         }
 340     }
 341
 342     // at this stage there can be only one admin - users may change username, so do not rely on that
 343     $adminuser = get_complete_user_data('id', $CFG->siteadmins);
 344
 345     if ($adminuser->password === 'adminsetuppending') {
 346         // prevent installation hijacking
 347         if ($adminuser->lastip !== getremoteaddr()) {
 348             print_error('installhijacked', 'admin');
 349         }
 350         // login user and let him set password and admin details
 351         $adminuser->newadminuser = 1;
 352         message_set_default_message_preferences($adminuser);
 353         complete_user_login($adminuser, false);
 354         redirect("$CFG->wwwroot/user/editadvanced.php?id=$adminuser->id"); // Edit thyself
 355
 356     } else {
 357         unset_config('adminsetuppending');
 358     }
 359
 360 } else {
 361     // just make sure upgrade logging is properly terminated
 362     upgrade_finished('upgradesettings.php');
 363 }
 364
 365 // Turn xmlstrictheaders back on now.
 366 $CFG->xmlstrictheaders = $origxmlstrictheaders;
 367 unset($origxmlstrictheaders);
 368
 369 // Check for valid admin user - no guest autologin
 370 require_login(0, false);
 371 $context = get_context_instance(CONTEXT_SYSTEM);
 372 require_capability('moodle/site:config', $context);
 373
 374 // check that site is properly customized
 375 $site = get_site();
 376 if (empty($site->shortname)) {
 377     // probably new installation - lets return to frontpage after this step
 378     // remove settings that we want uninitialised
 379     unset_config('registerauth');
 380     redirect('upgradesettings.php?return=site');
 381 }
 382
 383 // Check if we are returning from moodle.org registration and if so, we mark that fact to remove reminders
 384 if (!empty($id) and $id == $CFG->siteidentifier) {
 385     set_config('registered', time());
 386 }
 387
 388 // setup critical warnings before printing admin tree block
 389 $insecuredataroot = is_dataroot_insecure(true);
 390 $SESSION->admin_critical_warning = ($insecuredataroot==INSECURE_DATAROOT_ERROR);
 391
 392 $adminroot = admin_get_root();
 393
 394 // Check if there are any new admin settings which have still yet to be set
 395 if (any_new_admin_settings($adminroot)){
 396     redirect('upgradesettings.php');
 397 }
 398
 399 // Everything should now be set up, and the user is an admin
 400
 401 // Print default admin page with notifications.
 402 admin_externalpage_setup('adminnotifications');
 403 echo $OUTPUT->header();
 404
 405 if ($insecuredataroot == INSECURE_DATAROOT_WARNING) {
 406     echo $OUTPUT->box(get_string('datarootsecuritywarning', 'admin', $CFG->dataroot), 'generalbox adminwarning');
 407 } else if ($insecuredataroot == INSECURE_DATAROOT_ERROR) {
 408     echo $OUTPUT->box(get_string('datarootsecurityerror', 'admin', $CFG->dataroot), 'generalbox adminerror');
 409
 410 }
 411
 412 if (defined('WARN_DISPLAY_ERRORS_ENABLED')) {
 413     echo $OUTPUT->box(get_string('displayerrorswarning', 'admin'), 'generalbox adminwarning');
 414 }
 415
 416 // If no recently cron run
 417 $lastcron = $DB->get_field_sql('SELECT MAX(lastcron) FROM {modules}');
 418 if (time() - $lastcron > 3600 * 24) {
 419     $helpbutton = $OUTPUT->help_icon('cron', 'admin');
 420     echo $OUTPUT->box(get_string('cronwarning', 'admin').'&nbsp;'.$helpbutton, 'generalbox adminwarning');
 421 }
 422
 423 // Hidden bloglevel upgrade
 424 $showbloglevelupgrade = ($CFG->bloglevel == BLOG_COURSE_LEVEL || $CFG->bloglevel == BLOG_GROUP_LEVEL) && empty($CFG->bloglevel_upgrade_complete);
 425 if ($showbloglevelupgrade) {
 426     echo $OUTPUT->box(get_string('bloglevelupgradenotice', 'admin'), 'generalbox adminwarning');
 427 }
 428
 429 // diagnose DB, especially the sloppy MyISAM tables
 430 $diagnose = $DB->diagnose();
 431 if ($diagnose !== NULL) {
 432     echo $OUTPUT->box($diagnose, 'generalbox adminwarning');
 433 }
 434
 435 // Alert if we are currently in maintenance mode
 436 if (!empty($CFG->maintenance_enabled)) {
 437     echo $OUTPUT->box(get_string('sitemaintenancewarning2', 'admin', "$CFG->wwwroot/$CFG->admin/settings.php?section=maintenancemode"), 'generalbox adminwarning');
 438 }
 439
 440 //////////////////////////////////////////////////////////////////////////////////////////////////
 441 ////  IT IS ILLEGAL AND A VIOLATION OF THE GPL TO HIDE, REMOVE OR MODIFY THIS COPYRIGHT NOTICE ///
 442 $copyrighttext = '<a href="http://moodle.org/">Moodle</a> '.
 443                  '<a href="http://docs.moodle.org/en/Release" title="'.$CFG->version.'">'.$CFG->release.'</a><br />'.
 444                  'Copyright &copy; 1999 onwards, Martin Dougiamas<br />'.
 445                  'and <a href="http://docs.moodle.org/en/Credits">many other contributors</a>.<br />'.
 446                  '<a href="http://docs.moodle.org/en/License">GNU Public License</a>';
 447 echo $OUTPUT->box($copyrighttext, 'copyright');
 448 //////////////////////////////////////////////////////////////////////////////////////////////////
 449
 450 echo $OUTPUT->footer();
 451