173 lines
8.7 KiB
PHP
173 lines
8.7 KiB
PHP
<?php
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/**
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* Observium
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*
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* This file is part of Observium.
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*
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* @package observium
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* @subpackage webui
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* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2023 Observium Limited
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*
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*/
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// Variables:
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// $notifications - display notifications tooltip in the lower right corner
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// $alerts - display urgent errors for admin users at the top of each page
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// Notifications and alerts in bottom navbar
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$notifications_item = get_cache_item('notifications');
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$alerts_item = get_cache_item('alerts');
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//print_vars($notifications_item->isHit());
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//print_vars($alerts_item->isHit());
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if (!ishit_cache_item($notifications_item) || !ishit_cache_item($alerts_item)) {
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// Generate/collect notifications/alerts
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if ($_SESSION['userlevel'] > 7) {
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$latest = [];
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$latest['version'] = get_obs_attrib('latest_ver');
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$latest['revision'] = get_obs_attrib('latest_rev');
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$latest['date'] = get_obs_attrib('latest_rev_date');
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if ($config['version_check'] && $latest['revision'] > OBSERVIUM_REV + $config['version_check_revs']) {
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$notifications[] = ['text' => '<h4>There is a newer revision of Observium available!</h4> Version ' . $latest['version'] . ' (' . format_unixtime(datetime_to_unixtime($latest['date']), 'jS F Y') . ') is ' . ($latest['revision'] - OBSERVIUM_REV) . ' revisions ahead.', 'severity' => 'warning',
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'unixtime' => $config['time']['now']];
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$alerts[] = [
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'title' => 'There is a newer revision of Observium available!',
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'text' => 'Version ' . $latest['version'] . ' (' . format_unixtime(datetime_to_unixtime($latest['date']), 'jS F Y') . ') is ' . ($latest['revision'] - OBSERVIUM_REV) . ' revisions ahead.',
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'severity' => 'warning'
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];
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}
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//if (!function_exists('hash_exists'))
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//{
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// $alerts[] = array('text' => '<b>The PHP `hash` module is missing</b> This will cause editing and other forms to fail. Please install it.', 'severity' => 'danger');
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//}
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// Warn about lack of encryption unless told not to.
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if ($config['login_remember_me'] || isset($_SESSION['encrypt_required'])) {
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if (!OBS_ENCRYPT) {
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print_warning('For use the "remember me" feature, required php version not less than 7.2 (with "sodium" extension) or "mcrypt" extension. Alternatively, you can disable this feature by setting $config[\'login_remember_me\'] = FALSE; in your config.');
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}
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}
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// Warning about web_url config, only for ssl
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if (is_ssl() && preg_match('/^http:/', $config['web_url'])) {
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$notifications[] = ['text' => 'Setting \'web_url\' for "External Web URL" not set or incorrect, please update on ' . generate_link('Global Settings Edit', ['page' => 'settings', 'section' => 'wui']) . ' page.', 'severity' => 'warning',
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'unixtime' => $config['time']['now']];
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}
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// Warning about need DB schema update
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$db_version = get_db_version();
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$db_version = sprintf("%03d", $db_version + 1);
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if (is_file($config['install_dir'] . "/update/$db_version.sql") || is_file($config['install_dir'] . "/update/$db_version.php")) {
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$notifications[] = ['text' => 'Your database schema is old and needs updating. Run from server console:
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<pre style="padding: 3px" class="small">' . $config['install_dir'] . '/discovery.php -u</pre>', 'severity' => 'alert',
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'unixtime' => $config['time']['now']];
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}
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unset($db_version);
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// Get GLOBAL events for last 3 days
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foreach (dbFetchRows('SELECT * FROM `eventlog` WHERE `entity_type` = ? AND `timestamp` > (CURDATE() - INTERVAL 3 DAY)', ['global']) as $entry) {
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$notifications[] = ['unixtime' => strtotime($entry['timestamp']),
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'text' => $entry['message'],
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'severity' => $entry['severity']];
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}
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}
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if (isset($config['alerts']['suppress']) && $config['alerts']['suppress']) {
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$notifications[] = ['text' => '<h4>All Alert Notifications Suppressed</h4>' .
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'All alert notifications have been suppressed in the configuration.',
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'severity' => 'warning',
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'unixtime' => $config['time']['now']];
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}
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// Display warning for scheduled maintenance
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if (isset($cache['maint']['count']) && $cache['maint']['count'] > 0) {
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$notifications[] = ['text' => '<h4>Scheduled Maintenance in Progress</h4>' .
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'Some or all alert notifications have been suppressed due to a scheduled maintenance.',
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'severity' => 'warning',
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'unixtime' => $config['time']['now']];
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$alerts[] = [
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'title' => 'Scheduled Maintenance in Progress',
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'text' => 'Some or all alert notifications have been suppressed due to a scheduled maintenance.',
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'severity' => 'warning'
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];
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}
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// Store $notifications and $alerts in fast caching
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set_cache_item($notifications_item, $notifications, ['ttl' => 900]); // 15 min
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set_cache_item($alerts_item, $alerts, ['ttl' => 900]); // 15 min
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// Clear expired cache
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del_cache_expired();
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// End build cache
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} else {
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//print_vars(get_cache_data($notifications_item));
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$notifications = array_merge(get_cache_data($notifications_item), $notifications);
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$alerts = array_merge(get_cache_data($alerts_item), $alerts);
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}
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// Admin level notifications on settings/perf pages
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if ($_SESSION['userlevel'] >= 10 && (in_array($vars['tab'], ['data', 'perf', 'edit', 'showtech']) ||
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in_array($vars['page'], ['about', 'pollerlog', 'settings', 'preferences']))) {
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if (version_compare(PHP_VERSION, OBS_MIN_PHP_VERSION, '<')) {
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$notifications[] = ['text' => '<h4>Your PHP version is too old.</h4>
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Your currently installed PHP version <b>' . PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION . '</b>
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is older than the required minimum.
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Please upgrade your version of PHP to prevent possible incompatibilities and security problems.<br/>
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Currently recommended version(s): <b>7.2.x</b> and newer.',
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'severity' => 'danger',
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'unixtime' => $config['time']['now']];
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$alerts[] = [
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'title' => 'PHP version is old',
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'text' => 'Your currently installed PHP version <b>' . PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION .
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"</b> is older than the recommended minimum <b>7.2.x</b>.",
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'severity' => 'alert'
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];
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}
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// Same for MySQL/MariaDB
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$versions = get_versions();
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if ($versions['mysql_old']) {
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$mysql_recommented = $versions['mysql_name'] === 'MariaDB' ? OBS_MIN_MARIADB_VERSION : OBS_MIN_MYSQL_VERSION;
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$notifications[] = ['text' => '<h4>Your ' . $versions['mysql_name'] . ' version is old.</h4>
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Your currently installed ' . $versions['mysql_name'] . ' version <b>' . $versions['mysql_version'] . '</b>
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is older than the recommended minimum.
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Please upgrade your version of ' . $versions['mysql_name'] . ' to prevent possible incompatibilities and security problems.<br/>
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Currently recommended version is <b>' . $mysql_recommented . '</b> and newer.',
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'severity' => 'warning',
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'unixtime' => $config['time']['now']];
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$alerts[] = [
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'title' => $versions['mysql_name'] . ' version is old',
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'text' => 'Your currently installed ' . $versions['mysql_name'] . ' version <b>' . $versions['mysql_version'] .
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"</b> is older than the recommended minimum <b>$mysql_recommented</b>.",
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'severity' => 'warning'
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];
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}
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// Warning about obsolete config on some pages
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if (OBS_DEBUG) {
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// FIXME move to notification center?
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print_obsolete_config();
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}
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}
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// Sort by unixtime
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$notifications = array_sort_by($notifications, 'unixtime', SORT_DESC, SORT_NUMERIC);
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// Clean cache item
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unset($notifications_item, $alerts_item);
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//del_cache_expired();
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//print_vars(get_cache_items('__wui'));
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//print_vars(get_cache_stats());
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// EOF
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