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moodle/admin/index.php

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<?php // $Id$
/// Check that config.php exists, if not then call the install script
if (!file_exists("../config.php")) {
header('Location: ../install.php');
die;
}
require_once("../config.php");
include_once("$CFG->dirroot/lib/adminlib.php"); // Contains various admin-only functions
$id = optional_param('id', '', PARAM_ALPHANUM);
$confirmupgrade = optional_param('confirmupgrade','');
/// Check that PHP is of a sufficient version
if (!check_php_version("4.1.0")) {
$version = phpversion();
print_heading("Sorry, Moodle requires PHP 4.1.0 or later (currently using version $version)");
die;
}
/// Check some PHP server settings
$documentationlink = "please read the <a href=\"../doc/?frame=install.html&amp;sub=webserver\">install documentation</a>";
if (ini_get_bool('session.auto_start')) {
error("The PHP server variable 'session.auto_start' should be Off - $documentationlink");
}
if (ini_get_bool('magic_quotes_runtime')) {
error("The PHP server variable 'magic_quotes_runtime' should be Off - $documentationlink");
}
if (!ini_get_bool('file_uploads')) {
error("The PHP server variable 'file_uploads' is not turned On - $documentationlink");
}
/// Check that config.php has been edited
if ($CFG->wwwroot == "http://example.com/moodle") {
error("Moodle has not been configured yet. You need to edit config.php first.");
}
/// Check settings in config.php
$dirroot = dirname(realpath("../index.php"));
if (!empty($dirroot) and $dirroot != $CFG->dirroot) {
error("Please fix your settings in config.php:
<p>You have:
<p>\$CFG->dirroot = \"".addslashes($CFG->dirroot)."\";
<p>but it should be:
<p>\$CFG->dirroot = \"".addslashes($dirroot)."\";",
"./");
}
/// Set some necessary variables during set-up to avoid PHP warnings later on this page
if (!isset($CFG->framename)) {
$CFG->framename = "_top";
}
if (!isset($CFG->release)) {
$CFG->release = "";
}
if (!isset($CFG->version)) {
$CFG->version = "";
}
/// Turn off time limits and try to flush everything all the time, sometimes upgrades can be slow.
@set_time_limit(0);
@ob_implicit_flush(true);
@ob_end_flush();
/// Check if the main tables have been installed yet or not.
if (! $tables = $db->Metatables() ) { // No tables yet at all.
$maintables = false;
} else { // Check for missing main tables
$maintables = true;
$mtables = array("config", "course", "course_categories", "course_modules",
"course_sections", "log", "log_display", "modules",
"user", "user_admins", "user_students", "user_teachers");
foreach ($mtables as $mtable) {
if (!in_array($CFG->prefix.$mtable, $tables)) {
$maintables = false;
break;
}
}
}
if (! $maintables) {
if (empty($agreelicence)) {
$strlicense = get_string("license");
print_header($strlicense, $strlicense, $strlicense, "", "", false, "&nbsp;", "&nbsp;");
print_heading("<a href=\"http://moodle.org\">Moodle</a> - Modular Object-Oriented Dynamic Learning Environment");
print_heading(get_string("copyrightnotice"));
print_simple_box_start("center");
echo text_to_html(get_string("gpl"));
print_simple_box_end();
echo "<br />";
notice_yesno(get_string("doyouagree"), "index.php?agreelicence=true",
"http://moodle.org/doc/?frame=licence.html");
exit;
}
$strdatabasesetup = get_string("databasesetup");
$strdatabasesuccess = get_string("databasesuccess");
print_header($strdatabasesetup, $strdatabasesetup, $strdatabasesetup, "", "", false, "&nbsp;", "&nbsp;");
if (file_exists("$CFG->libdir/db/$CFG->dbtype.sql")) {
$db->debug = true;
if (modify_database("$CFG->libdir/db/$CFG->dbtype.sql")) {
$db->debug = false;
notify($strdatabasesuccess, "green");
} else {
$db->debug = false;
error("Error: Main databases NOT set up successfully");
}
} else {
error("Error: Your database ($CFG->dbtype) is not yet fully supported by Moodle. See the lib/db directory.");
}
print_continue("index.php");
die;
}
/// Check version of Moodle code on disk compared with database
/// and upgrade if possible.
include_once("$CFG->dirroot/version.php"); # defines $version
include_once("$CFG->dirroot/lib/db/$CFG->dbtype.php"); # defines upgrades
$stradministration = get_string("administration");
if ($CFG->version) {
if ($version > $CFG->version) { // upgrade
$a->oldversion = "$CFG->release ($CFG->version)";
$a->newversion = "$release ($version)";
$strdatabasechecking = get_string("databasechecking", "", $a);
if (empty($confirmupgrade)) {
print_header($strdatabasechecking, $stradministration, $strdatabasechecking,
"", "", false, "&nbsp;", "&nbsp;");
notice_yesno(get_string('upgradesure', 'admin', $a->newversion), 'index.php?confirmupgrade=yes', 'index.php');
exit;
} else {
$strdatabasesuccess = get_string("databasesuccess");
print_header($strdatabasechecking, $stradministration, $strdatabasechecking,
"", "", false, "&nbsp;", "&nbsp;");
print_heading($strdatabasechecking);
$db->debug=true;
if (main_upgrade($CFG->version)) {
$db->debug=false;
if (set_config("version", $version)) {
remove_dir($CFG->dataroot . '/cache', true); // flush cache
notify($strdatabasesuccess, "green");
print_continue("index.php");
exit;
} else {
notify("Upgrade failed! (Could not update version in config table)");
}
} else {
$db->debug=false;
notify("Upgrade failed! See /version.php");
}
}
} else if ($version < $CFG->version) {
notify("WARNING!!! The code you are using is OLDER than the version that made these databases!");
}
} else {
$strcurrentversion = get_string("currentversion");
print_header($strcurrentversion, $stradministration, $strcurrentversion,
"", "", false, "&nbsp;", "&nbsp;");
if (set_config("version", $version)) {
print_heading("Moodle $release ($version)");
print_continue("index.php");
die;
} else {
$db->debug=true;
if (main_upgrade(0)) {
print_continue("index.php");
} else {
error("A problem occurred inserting current version into databases");
}
$db->debug=false;
}
}
/// Updated human-readable release version if necessary
if ($release <> $CFG->release) { // Update the release version
$strcurrentrelease = get_string("currentrelease");
print_header($strcurrentrelease, $strcurrentrelease, $strcurrentrelease, "", "", false, "&nbsp;", "&nbsp;");
print_heading("Moodle $release");
if (!set_config("release", $release)) {
notify("ERROR: Could not update release version in database!!");
}
if (!empty($CFG->unicodedb)) {
$defaultlang = 'en_utf8';
} else {
$defaultlang = 'en';
}
print_continue("index.php");
print_simple_box_start("CENTER");
if (file_exists("$CFG->dataroot/lang/$defaultlang/docs/release.html")) {
include("$CFG->dataroot/lang/$defaultlang/docs/release.html");
} else if (file_exists("$CFG->dirroot/lang/$defaultlang/docs/release.html")) {
include("$CFG->dirroot/lang/$defaultlang/docs/release.html");
}
print_simple_box_end();
print_continue("index.php");
exit;
}
/// Insert default values for any important configuration variables
include_once("$CFG->dirroot/lib/defaults.php");
foreach ($defaults as $name => $value) {
if (!isset($CFG->$name)) {
$CFG->$name = $value;
set_config($name, $value);
$configchange = true;
}
}
/// If any new configurations were found then send to the config page to check
if (!empty($configchange)) {
redirect("config.php");
}
/// Find and check all main modules and load them up or upgrade them if necessary
upgrade_activity_modules("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Upgrade backup/restore system if necessary
require_once("$CFG->dirroot/backup/lib.php");
upgrade_backup_db("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Upgrade blocks system if necessary
require_once("$CFG->dirroot/lib/blocklib.php");
upgrade_blocks_db("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Check all blocks and load (or upgrade them if necessary)
upgrade_blocks_plugins("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Check all enrolment plugins and upgrade if necessary
upgrade_enrol_plugins("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Check for local database customisations
require_once("$CFG->dirroot/lib/locallib.php");
upgrade_local_db("$CFG->wwwroot/$CFG->admin/index.php"); // Return here afterwards
/// Set up the overall site name etc.
if (! $site = get_site()) {
redirect("site.php");
}
/// Define the unique site ID code if it isn't already
if (empty($CFG->siteidentifier)) { // Unique site identification code
set_config('siteidentifier', random_string(32));
}
/// Check if the guest user exists. If not, create one.
if (! record_exists("user", "username", "guest")) {
$guest->auth = "manual";
$guest->username = "guest";
$guest->password = md5("guest");
$guest->firstname = addslashes(get_string("guestuser"));
$guest->lastname = " ";
$guest->email = "root@localhost";
$guest->description = addslashes(get_string("guestuserinfo"));
$guest->confirmed = 1;
$guest->lang = $CFG->lang;
$guest->timemodified= time();
if (! $guest->id = insert_record("user", $guest)) {
notify("Could not create guest user record !!!");
}
}
/// Set up the admin user
if (! record_exists("user_admins")) { // No admin user yet
redirect("user.php");
}
/// Check for valid admin user
require_login();
if (!isadmin()) {
error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
/// Check if we are returning from moodle.org registration and if so, we mark that fact to remove reminders
if (!empty($id)) {
if ($id == $CFG->siteidentifier) {
set_config('registered', time());
}
}
/// At this point everything is set up and the user is an admin, so print menu
$stradministration = get_string("administration");
print_header("$site->shortname: $stradministration","$site->fullname", "$stradministration");
print_simple_box_start('center', '100%', '', 20);
print_heading($stradministration);
if (!empty($CFG->upgrade)) { // Print notice about extra upgrading that needs to be done
print_simple_box(get_string("upgrade$CFG->upgrade", "admin",
"$CFG->wwwroot/$CFG->admin/upgrade$CFG->upgrade.php"), "center");
print_spacer(10,10);
}
if (ini_get_bool('register_globals') && !ini_get_bool('magic_quotes_gpc')) {
print_simple_box(get_string('globalsquoteswarning', 'admin'), 'center');
}
/// If no recently cron run
$lastcron = get_field_sql('SELECT max(lastcron) FROM ' . $CFG->prefix . 'modules');
if (time() - $lastcron > 3600 * 24) {
print_simple_box(get_string('cronwarning', 'admin') , 'center');
}
/// Alert if we are currently in maintenance mode
if (file_exists($CFG->dataroot.'/1/maintenance.html')) {
print_simple_box(get_string('sitemaintenancewarning', 'admin') , 'center');
}
/// Print slightly annoying registration button every six months ;-)
/// You can set the "registered" variable to something far in the future
/// if you really want to prevent this. eg 9999999999
if (!isset($CFG->registered) || $CFG->registered < (time() - 3600*24*30*6)) {
$options = array();
$options['sesskey'] = $USER->sesskey;
print_simple_box_start('center');
echo '<div align="center">';
print_string('pleaseregister', 'admin');
print_single_button('register.php', $options, get_string('registration'));
echo '</div>';
print_simple_box_end();
}
$table->tablealign = "right";
$table->align = array ("right", "left");
$table->wrap = array ("nowrap", "nowrap");
$table->cellpadding = 5;
$table->cellspacing = 0;
$table->width = "40%";
$configdata = '<div class="adminlink"><a href="config.php">'.get_string('configvariables', 'admin').
'</a> - <span class="explanation">'.get_string('adminhelpconfigvariables').'</span></div>';
$configdata .= '<div class="adminlink"><a href="site.php">'.get_string('sitesettings').
'</a> - <span class="explanation">'.get_string('adminhelpsitesettings').'</span></div>';
$configdata .= '<div class="adminlink"><a href="../theme/index.php">'.get_string('themes').
'</a> - <span class="explanation">'.get_string('adminhelpthemes').'</span></div>';
$configdata .= '<div class="adminlink"><a href="lang.php">'.get_string('language').
'</a> - <span class="explanation">'.get_string('adminhelplanguage').'</span></div>';
$configdata .= '<div class="adminlink"><a href="modules.php">'.get_string('managemodules').
'</a> - <span class="explanation">'.get_string('adminhelpmanagemodules').'</span></div>';
$configdata .= '<div class="adminlink"><a href="blocks.php">'.get_string('manageblocks').
'</a> - <span class="explanation">'.get_string('adminhelpmanageblocks').'</span></div>';
$configdata .= '<div class="adminlink"><a href="filters.php">'.get_string('managefilters').
'</a> - <span class="explanation">'.get_string('adminhelpmanagefilters').'</span></div>';
if (!isset($CFG->disablescheduledbackups)) {
$configdata .= '<div class="adminlink"><a href="backup.php">'.get_string('backup').
'</a> - <span class="explanation">'.get_string('adminhelpbackup').'</span></div>';
}
$configdata .= '<div class="adminlink"><a href="editor.php">'.get_string('editorsettings').
'</a> - <span class="explanation">'.get_string('adminhelpeditorsettings').'</span></div>';
$configdata .= '<div class="adminlink"><a href="calendar.php">'.get_string('calendarsettings', 'admin').
'</a> - <span class="explanation">'.get_string('helpcalendarsettings', 'admin').'</span></div>';
$configdata .= '<div class="adminlink"><a href="maintenance.php">'.get_string('sitemaintenancemode', 'admin').
'</a> - <span class="explanation">'.get_string('helpsitemaintenance', 'admin').'</span></div>';
$table->data[] = array('<strong><a href="configure.php">'.get_string('configuration').'</a></strong>', $configdata);
$userdata = '<div class="adminlink"><a href="auth.php?sesskey='.$USER->sesskey.'">'.get_string("authentication").
'</a> - <span class="explanation">'.get_string('adminhelpauthentication').'</span></div>';
$userdata .= '<div class="adminlink"><a href="user.php">'.get_string('edituser').
'</a> - <span class="explanation">'.get_string('adminhelpedituser').'</span></div>';
$userdata .= '<div class="adminlink"><a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/user.php?newuser=true&amp;sesskey='.$USER->sesskey.'">'.
get_string('addnewuser').'</a> - <span class="explanation">'.get_string('adminhelpaddnewuser').'</span></div>';
$userdata .= '<div class="adminlink"><a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/uploaduser.php?sesskey='.$USER->sesskey.'">'.
get_string('uploadusers').'</a> - <span class="explanation">'.get_string('adminhelpuploadusers').'</span></div>';
$userdata .= '<hr /><div class="adminlink"><a href="enrol.php?sesskey='.$USER->sesskey.'">'.get_string('enrolments').
'</a> - <span class="explanation">'.get_string('adminhelpenrolments').'</span></div>';
$userdata .= '<div class="adminlink"><a href="../course/index.php?edit=off&amp;sesskey='.$USER->sesskey.'">'.
get_string('assignstudents').'</a> - <span class="explanation">'.get_string('adminhelpassignstudents').'</span></div>';
$userdata .= '<div class="adminlink"><a href="../course/index.php?edit=on&amp;sesskey='.$USER->sesskey.'">'.
get_string('assignteachers').'</a> - <span class="explanation">'.get_string('adminhelpassignteachers').
' <img src="../pix/t/user.gif" height="11" width="11" alt="" /></span></div>';
$userdata .= '<div class="adminlink"><a href="creators.php?sesskey='.$USER->sesskey.'">'.get_string('assigncreators').
'</a> - <span class="explanation">'.get_string('adminhelpassigncreators').'</span></div>';
$userdata .= '<div class="adminlink"><a href="admin.php?sesskey='.$USER->sesskey.'">'.get_string('assignadmins').
'</a> - <span class="explanation">'.get_string('adminhelpassignadmins').'</span></div>';
$table->data[] = array('<strong><a href="users.php">'.get_string('users').'</a></strong>', $userdata);
$table->data[] = array('<strong><a href="../course/index.php?edit=on&amp;sesskey='.$USER->sesskey.'">'.get_string('courses').'</a></strong>',
'<div class="explanation">'.get_string('adminhelpcourses').'</div>');
$table->data[] = array('<strong><a href="../course/log.php?id='.$site->id.'">'.get_string('logs').'</a></strong>',
'<div class="explanation">'.get_string('adminhelplogs').'</div>');
$table->data[] = array('<strong><a href="../files/index.php?id='.$site->id.'">'.get_string('sitefiles').'</a></strong>',
'<div class="explanation">'.get_string('adminhelpsitefiles').'</div>');
$table->data[] = array('<strong><a href="stickyblocks.php">'.get_string('stickyblocks','admin').'</a></strong>',
'<div class="explanation">'.get_string('adminhelpstickyblocks').'</div>');
if (file_exists("$CFG->dirroot/$CFG->admin/$CFG->dbtype")) {
$table->data[] = array("<strong><a href=\"$CFG->dbtype/frame.php\">".get_string('managedatabase').'</a></strong>',
get_string('adminhelpmanagedatabase'));
}
if (!empty($CFG->enablestats)) {
$table->data[] = array('<strong><a href="reports.php">'.get_string('reports').'</a></strong>', get_string('adminhelpreports'));
}
print_table($table);
//////////////////////////////////////////////////////////////////////////////////////////////////
//// IT IS ILLEGAL AND A VIOLATION OF THE GPL TO REMOVE OR MODIFY THE COPYRIGHT NOTICE BELOW ////
$copyrighttext = '<a href="http://moodle.org/">Moodle</a> '.
'<a href="../doc/?frame=release.html">'.$CFG->release.'</a> ('.$CFG->version.')<br />'.
'Copyright &copy; 1999-2006 Martin Dougiamas<br />'.
'<a href="../doc/?frame=licence.html">GNU Public License</a>';
echo '<p class="copyright">'.$copyrighttext.'</p>';
//////////////////////////////////////////////////////////////////////////////////////////////////
echo '<table width="100%" cellspacing="0"><tr>';
echo '<td align="center" width="33%">';
print_single_button($CFG->wwwroot.'/doc/', NULL, get_string('documentation'));
echo '</td>';
echo '<td align="center" width="33%">';
print_single_button('phpinfo.php', NULL, get_string('phpinfo'));
echo '</td>';
echo '<td align="center" width="33%">';
$options = array();
$options['sesskey'] = $USER->sesskey;
print_single_button('register.php', $options, get_string('registration'));
echo '</td></tr></table>';
print_simple_box_end();
print_footer($site);
?>
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