122 lines
4.2 KiB
PHP
122 lines
4.2 KiB
PHP
<?php
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/**
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* Checks.php
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*
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* Pre-flight checks at various stages of booting
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @link http://librenms.org
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* @copyright 2018 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace App;
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use App\Models\Device;
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use App\Models\Notification;
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use Auth;
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use Cache;
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use Carbon\Carbon;
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use LibreNMS\Config;
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use Toastr;
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class Checks
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{
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/**
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* Post boot Toast messages
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*/
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public static function postAuth()
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{
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// limit popup messages frequency
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if (Cache::get('checks_popup_timeout') || ! Auth::check()) {
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return;
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}
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Cache::put('checks_popup_timeout', true, Config::get('checks_popup_timer', 5) * 60);
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$user = Auth::user();
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if ($user->isAdmin()) {
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$notifications = Notification::isUnread($user)->where('severity', '>', \LibreNMS\Enum\Alert::OK)->get();
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foreach ($notifications as $notification) {
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Toastr::error("<a href='notifications/'>$notification->body</a>", $notification->title);
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}
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$warn_sec = Config::get('rrd.step', 300) * 3;
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if (Device::isUp()->where('last_polled', '<=', Carbon::now()->subSeconds($warn_sec))->exists()) {
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$warn_min = $warn_sec / 60;
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Toastr::warning('<a href="poller/log?filter=unpolled/">It appears as though you have some devices that haven\'t completed polling within the last ' . $warn_min . ' minutes, you may want to check that out :)</a>', 'Devices unpolled');
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}
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// Directory access checks
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$rrd_dir = Config::get('rrd_dir');
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if (! is_dir($rrd_dir)) {
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Toastr::error("RRD Directory is missing ($rrd_dir). Graphing may fail. <a href=" . url('validate') . '>Validate your install</a>');
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}
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$temp_dir = Config::get('temp_dir');
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if (! is_dir($temp_dir)) {
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Toastr::error("Temp Directory is missing ($temp_dir). Graphing may fail. <a href=" . url('validate') . '>Validate your install</a>');
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} elseif (! is_writable($temp_dir)) {
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Toastr::error("Temp Directory is not writable ($temp_dir). Graphing may fail. <a href='" . url('validate') . "'>Validate your install</a>");
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}
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}
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}
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/**
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* Check the script is running as the right user (works before config is available)
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*/
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public static function runningUser()
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{
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if (function_exists('posix_getpwuid') && posix_getpwuid(posix_geteuid())['name'] !== get_current_user()) {
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if (get_current_user() == 'root') {
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self::printMessage(
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'Error: lnms file is owned by root, it should be owned and ran by a non-privileged user.',
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null,
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true
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);
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}
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self::printMessage(
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'Error: You must run lnms as the user ' . get_current_user(),
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null,
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true
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);
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}
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}
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private static function printMessage($title, $content, $exit = false)
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{
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$content = (array) $content;
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if (PHP_SAPI == 'cli') {
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$format = "%s\n\n%s\n\n";
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$message = implode(PHP_EOL, $content);
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} else {
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$format = "<h3 style='color: firebrick;'>%s</h3><p>%s</p>";
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$message = '';
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foreach ($content as $line) {
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$message .= "<p style='margin:0.5em'>$line</p>\n";
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}
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}
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printf($format, $title, $message);
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if ($exit) {
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exit(1);
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}
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}
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}
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