From 9a4d30c6daadf3d413239b1cf0c06373e174b672 Mon Sep 17 00:00:00 2001
From: Roman Kelesidis <roman25052006.kelesh@gmail.com>
Date: Wed, 20 Aug 2025 11:04:02 +0300
Subject: [PATCH] feat: Add system information dashboard to admin panel (#2092)

* feat: Add system information dashboard to admin panel

* Update index.php

* Update index.php

* Update index.php

* Update index.tpl

* Updated

* Update index.php
---
 admin/index.php                  | 61 ++++++++++++++++++++++++++++++++
 library/language/source/main.php | 10 ++++++
 styles/templates/admin/index.tpl | 25 +++++++++++++
 3 files changed, 96 insertions(+)

diff --git a/admin/index.php b/admin/index.php
index 1f7bbd491..ad0f00f3e 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -132,6 +132,18 @@ if (isset($_GET['pane']) && $_GET['pane'] == 'left') {
         $users_per_day = $total_users;
     }
 
+    // Get database version info
+    $database_version = $lang['NOT_AVAILABLE'];
+    $sql = 'SELECT VERSION() as version';
+    $result = DB()->sql_query($sql);
+    $row = DB()->sql_fetchrow($result);
+    if (isset($row['version'])) {
+        $database_version = $row['version'];
+    }
+
+    // Get disk space information
+    $getDiskSpaceInfo = getDiskSpaceInfo();
+
     $template->assign_vars([
         'NUMBER_OF_POSTS' => commify($total_posts),
         'NUMBER_OF_TOPICS' => commify($total_topics),
@@ -141,6 +153,13 @@ if (isset($_GET['pane']) && $_GET['pane'] == 'left') {
         'TOPICS_PER_DAY' => $topics_per_day,
         'USERS_PER_DAY' => $users_per_day,
         'AVATAR_DIR_SIZE' => $avatar_dir_size,
+        // System info
+        'SERVER_OS' => htmlCHR(php_uname('s') . ' ' . php_uname('r') . ' ' . php_uname('m')),
+        'SERVER_PHP_VER' => htmlCHR(phpversion()),
+        'SERVER_PHP_MEM_LIMIT' => htmlCHR(ini_get('memory_limit')),
+        'SERVER_PHP_MAX_EXECUTION_TIME' => htmlCHR(ini_get('max_execution_time')),
+        'SERVER_DATABASE_VER' => htmlCHR($database_version),
+        'SERVER_DISK_SPACE_INFO' => htmlCHR(sprintf($lang['ADMIN_SYSTEM_DISK_SPACE_INFO'], $getDiskSpaceInfo['total'], $getDiskSpaceInfo['used'], $getDiskSpaceInfo['free'])),
     ]);
 
     if (isset($_GET['users_online'])) {
@@ -225,4 +244,46 @@ if (isset($_GET['pane']) && $_GET['pane'] == 'left') {
     print_page('index.tpl', 'admin', 'no_header');
 }
 
+/**
+ * Get disk space information
+ *
+ * @param string $path
+ * @return array|string[]
+ */
+function getDiskSpaceInfo(string $path = BB_ROOT): array
+{
+    global $lang;
+
+    $default_values = [
+        'total' => $lang['NOT_AVAILABLE'],
+        'free' => $lang['NOT_AVAILABLE'],
+        'used' => $lang['NOT_AVAILABLE'],
+        'percent_used' => $lang['NOT_AVAILABLE']
+    ];
+
+    try {
+        $bytes_total = disk_total_space($path);
+        $bytes_free = disk_free_space($path);
+
+        if ($bytes_total === false || $bytes_free === false) {
+            return $default_values;
+        }
+
+        $bytes_used = $bytes_total - $bytes_free;
+        $percent_used = ($bytes_total > 0) ? round(($bytes_used / $bytes_total) * 100, 2) : 0;
+
+        return [
+            'total' => humn_size($bytes_total),
+            'free' => humn_size($bytes_free),
+            'used' => humn_size($bytes_used),
+            'percent_used' => $percent_used,
+            'path' => realpath($path)
+        ];
+
+    } catch (Exception $e) {
+        bb_log("[getDiskSpaceInfo] " . $e->getMessage() . LOG_LF);
+        return $default_values;
+    }
+}
+
 print_page('index.tpl', 'admin');
diff --git a/library/language/source/main.php b/library/language/source/main.php
index ffc0e2091..1a4b56a5c 100644
--- a/library/language/source/main.php
+++ b/library/language/source/main.php
@@ -1970,6 +1970,16 @@ $lang['DATABASE_SIZE'] = 'Database size';
 $lang['GZIP_COMPRESSION'] = 'Gzip compression';
 $lang['NOT_AVAILABLE'] = 'Not available';
 
+// System information
+$lang['ADMIN_SYSTEM_INFORMATION'] = 'System information';
+$lang['ADMIN_SYSTEM_OS'] = 'OS:';
+$lang['ADMIN_SYSTEM_PHP_VER'] = 'PHP:';
+$lang['ADMIN_SYSTEM_DATABASE_VER'] = 'Database:';
+$lang['ADMIN_SYSTEM_PHP_MEM_LIMIT'] = 'Memory limit:';
+$lang['ADMIN_SYSTEM_DISK_SPACE_INFO_TITLE'] = 'Disk space info:';
+$lang['ADMIN_SYSTEM_DISK_SPACE_INFO'] = '%s (used: %s | free: %s)';
+$lang['ADMIN_SYSTEM_PHP_MAX_EXECUTION_TIME'] = 'Max execution time:';
+
 // Clear Cache
 $lang['DATASTORE'] = 'Datastore';
 $lang['CLEAR_CACHE'] = 'Cache';
diff --git a/styles/templates/admin/index.tpl b/styles/templates/admin/index.tpl
index ccef53861..da2a19640 100644
--- a/styles/templates/admin/index.tpl
+++ b/styles/templates/admin/index.tpl
@@ -167,6 +167,31 @@
 </table>
 <br/>
 
+<table class="forumline">
+    <tr>
+        <th colspan="4">{L_ADMIN_SYSTEM_INFORMATION}</th>
+    </tr>
+    <tr>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_OS}</td>
+        <td class="row2"><b>{SERVER_OS}</b></td>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_PHP_VER}</td>
+        <td class="row2"><b>{SERVER_PHP_VER}</b></td>
+    </tr>
+    <tr>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_DATABASE_VER}</td>
+        <td class="row2"><b>{SERVER_DATABASE_VER}</b></td>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_PHP_MEM_LIMIT}</td>
+        <td class="row2"><b>{SERVER_PHP_MEM_LIMIT}</b></td>
+    </tr>
+    <tr>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_DISK_SPACE_INFO_TITLE}</td>
+        <td class="row2"><b>{SERVER_DISK_SPACE_INFO}</b></td>
+        <td class="row1" nowrap="nowrap">{L_ADMIN_SYSTEM_PHP_MAX_EXECUTION_TIME}</td>
+        <td class="row2"><b>{SERVER_PHP_MAX_EXECUTION_TIME}</b></td>
+    </tr>
+</table>
+<br/>
+
 <table class="forumline">
   <tr>
     <th colspan="4">{L_FORUM_STATS}</th>