1 | <?php |
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2 | /** |
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3 | * Checks.php |
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4 | * |
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5 | * Pre-flight checks at various stages of booting |
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6 | * |
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7 | * This program is free software: you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation, either version 3 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
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19 | * |
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20 | * @link https://www.librenms.org |
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21 | * |
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22 | * @copyright 2018 Tony Murray |
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23 | * @author Tony Murray <[email protected]> |
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24 | */ |
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25 | |||
26 | namespace App; |
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27 | |||
28 | use App\Models\Device; |
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29 | use App\Models\Notification; |
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30 | use Cache; |
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31 | use Carbon\Carbon; |
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32 | use Illuminate\Support\Facades\Auth; |
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33 | use LibreNMS\Config; |
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34 | use Toastr; |
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35 | |||
36 | class Checks |
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37 | { |
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38 | /** |
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39 | * Post boot Toast messages |
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40 | */ |
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41 | public static function postAuth() |
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42 | { |
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43 | // limit popup messages frequency |
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44 | if (Cache::get('checks_popup_timeout') || ! Auth::check()) { |
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45 | return; |
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46 | } |
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47 | |||
48 | Cache::put('checks_popup_timeout', true, Config::get('checks_popup_timer', 5) * 60); |
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49 | |||
50 | $user = Auth::user(); |
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51 | |||
52 | if ($user->isAdmin()) { |
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53 | $notifications = Notification::isUnread($user)->where('severity', '>', \LibreNMS\Enum\Alert::OK)->get(); |
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54 | foreach ($notifications as $notification) { |
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55 | Toastr::error("<a href='notifications/'>$notification->body</a>", $notification->title); |
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56 | } |
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57 | |||
58 | $warn_sec = Config::get('rrd.step', 300) * 3; |
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59 | if (Device::isUp()->where('last_polled', '<=', Carbon::now()->subSeconds($warn_sec))->exists()) { |
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60 | $warn_min = $warn_sec / 60; |
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61 | 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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62 | } |
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63 | |||
64 | // Directory access checks |
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65 | $rrd_dir = Config::get('rrd_dir'); |
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66 | if (! is_dir($rrd_dir)) { |
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67 | Toastr::error("RRD Directory is missing ($rrd_dir). Graphing may fail. <a href=" . url('validate') . '>Validate your install</a>'); |
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68 | } |
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69 | |||
70 | $temp_dir = Config::get('temp_dir'); |
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71 | if (! is_dir($temp_dir)) { |
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72 | Toastr::error("Temp Directory is missing ($temp_dir). Graphing may fail. <a href=" . url('validate') . '>Validate your install</a>'); |
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73 | } elseif (! is_writable($temp_dir)) { |
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74 | Toastr::error("Temp Directory is not writable ($temp_dir). Graphing may fail. <a href='" . url('validate') . "'>Validate your install</a>"); |
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75 | } |
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76 | } |
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77 | } |
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78 | |||
79 | /** |
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80 | * Check the script is running as the right user (works before config is available) |
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81 | */ |
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82 | public static function runningUser() |
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83 | { |
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84 | if (function_exists('posix_getpwuid') && posix_getpwuid(posix_geteuid())['name'] !== get_current_user()) { |
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85 | if (get_current_user() == 'root') { |
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86 | self::printMessage( |
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87 | 'Error: lnms file is owned by root, it should be owned and ran by a non-privileged user.', |
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88 | null, |
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89 | true |
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90 | ); |
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91 | } |
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92 | |||
93 | self::printMessage( |
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94 | 'Error: You must run lnms as the user ' . get_current_user(), |
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95 | null, |
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96 | true |
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97 | ); |
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98 | } |
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99 | } |
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100 | |||
101 | private static function printMessage($title, $content, $exit = false) |
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102 | { |
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103 | $content = (array) $content; |
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104 | |||
105 | if (PHP_SAPI == 'cli') { |
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106 | $format = "%s\n\n%s\n\n"; |
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107 | $message = implode(PHP_EOL, $content); |
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108 | } else { |
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109 | $format = "<h3 style='color: firebrick;'>%s</h3><p>%s</p>"; |
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110 | $message = ''; |
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111 | foreach ($content as $line) { |
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112 | $message .= "<p style='margin:0.5em'>$line</p>\n"; |
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113 | } |
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114 | } |
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115 | |||
116 | printf($format, $title, $message); |
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117 | |||
118 | if ($exit) { |
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119 | exit(1); |
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120 | } |
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121 | } |
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122 | } |
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123 |