Add base logic for audit logging

app/Models/AuditLog.php

@@ -0,0 +1,120 @@
+<?php
+
+namespace Pterodactyl\Models;
+
+use Ramsey\Uuid\Uuid;
+use Illuminate\Http\Request;
+use Illuminate\Container\Container;
+
+/**
+ * @property int $id
+ * @property string $uuid
+ * @property bool $is_system
+ * @property int|null $user_id
+ * @property int|null $server_id
+ * @property string $action
+ * @property array $device
+ * @property array $metadata
+ * @property \Carbon\CarbonImmutable $created_at
+ *
+ * @property \Pterodactyl\Models\User|null $user
+ * @property \Pterodactyl\Models\Server|null $server
+ */
+class AuditLog extends Model
+{
+    const UPDATED_AT = null;
+
+    const ACTION_USER_AUTH_LOGIN = 'user:auth.login';
+    const ACTION_USER_AUTH_FAILED = 'user:auth.failed';
+    const ACTION_USER_AUTH_PASSWORD_CHANGED = 'user:auth.password-changed';
+
+    const ACTION_SERVER_BACKUP_RESTORE_STARTED = 'server:backup.restore.started';
+    const ACTION_SERVER_BACKUP_RESTORE_COMPLETED = 'server:backup.restore.completed';
+    const ACTION_SERVER_BACKUP_RESTORE_FAILED = 'server:backup.restore.failed';
+
+    /**
+     * @var string[]
+     */
+    public static $validationRules = [
+        'uuid' => 'required|uuid',
+        'action' => 'required|string',
+        'device' => 'required|array',
+        'device.ip_address' => 'ip',
+        'device.user_agent' => 'string',
+        'metadata' => 'array',
+    ];
+
+    /**
+     * @var string
+     */
+    protected $table = 'audit_logs';
+
+    /**
+     * @var bool
+     */
+    protected $immutableDates = true;
+
+    /**
+     * @var string[]
+     */
+    protected $casts = [
+        'device' => 'array',
+        'metadata' => 'array',
+    ];
+
+    /**
+     * @var string[]
+     */
+    protected $guarded = [
+        'id',
+        'created_at',
+    ];
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function server()
+    {
+        return $this->belongsTo(Server::class);
+    }
+
+    /**
+     * Creates a new AuditLog model and returns it, attaching device information and the
+     * currently authenticated user if available. This model is not saved at this point, so
+     * you can always make modifications to it as needed before saving.
+     *
+     * @param string $action
+     * @param array $metadata
+     * @param bool $isSystem
+     * @return $this
+     */
+    public static function factory(string $action, array $metadata, bool $isSystem = false)
+    {
+        /** @var \Illuminate\Http\Request $request */
+        $request = Container::getInstance()->make('request');
+        if (! $isSystem || ! $request instanceof Request) {
+            $request = null;
+        }
+
+        return (new self())->fill([
+            'uuid' => Uuid::uuid4()->toString(),
+            'is_system' => $isSystem,
+            'user_id' => $request->user() ? $request->user()->id : null,
+            'server_id' => null,
+            'action' => $action,
+            'device' => $request ? [
+                'ip_address' => $request->getClientIp(),
+                'user_agent' => $request->userAgent(),
+            ] : [],
+            'metadata' => $metadata,
+        ]);
+    }
+}

app/Models/Server.php

@@ -50,6 +50,7 @@ use Znck\Eloquent\Traits\BelongsToThrough;
  * @property \Pterodactyl\Models\ServerTransfer $transfer
  * @property \Pterodactyl\Models\Backup[]|\Illuminate\Database\Eloquent\Collection $backups
  * @property \Pterodactyl\Models\Mount[]|\Illuminate\Database\Eloquent\Collection $mounts
+ * @property \Pterodactyl\Models\AuditLog[] $audits
  */
 class Server extends Model
 {
@@ -326,4 +327,29 @@ class Server extends Model
     {
         return $this->hasManyThrough(Mount::class, MountServer::class, 'server_id', 'id', 'id', 'mount_id');
     }
+
+    /**
+     * Saves an audit entry to the database for the server.
+     *
+     * @param string $action
+     * @param array $metadata
+     * @return \Pterodactyl\Models\AuditLog
+     */
+    public function audit(string $action, array $metadata): AuditLog
+    {
+        $model = AuditLog::factory($action, $metadata)->fill([
+            'server_id' => $this->id,
+        ]);
+        $model->save();
+
+        return $model;
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function audits()
+    {
+        return $this->hasMany(AuditLog::class);
+    }
 }

database/migrations/2021_01_17_102401_create_audit_logs_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateAuditLogsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('audit_logs', function (Blueprint $table) {
+            $table->id();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('audit_logs');
+    }
+}