Feature: Customer Account Services

src/Auth/Services/UserSessionService.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace Modules\Core\Auth\Services;
+
+use Illuminate\Contracts\Auth\Authenticatable;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+use Modules\Core\Auth\Models\UserSession;
+
+/**
+ * The record/revoke half of the session registry — see
+ * database/migrations/2026_09_15_000001_create_user_sessions_table.php's
+ * own docblock for why this exists (SESSION_DRIVER=redis in this app has
+ * no "sessions" table to purge by user_id). The enforcement half is
+ * Modules\Core\Auth\Http\Middleware\EnsureSessionNotRevoked, which reads
+ * the token this class stamps into the session payload.
+ */
+class UserSessionService
+{
+    private const SESSION_TOKEN_KEY = 'user_session_token';
+
+    /**
+     * Called once, right after Auth::login() succeeds (see
+     * UserOtpService::validate()) — generates a fresh token, records it,
+     * and stamps it into the CURRENT session payload so
+     * EnsureSessionNotRevoked can look it up on later requests.
+     */
+    public function record(Authenticatable $user, ?Request $request = null): UserSession
+    {
+        $token = Str::random(64);
+
+        $session = UserSession::create([
+            'user_id' => $user->getAuthIdentifier(),
+            'token' => $token,
+            'user_agent' => $request?->userAgent(),
+            'ip_address' => $request?->ip(),
+            'last_used_at' => now(),
+        ]);
+
+        session([self::SESSION_TOKEN_KEY => $token]);
+
+        return $session;
+    }
+
+    /**
+     * Revokes every OTHER active session for $user — the current one
+     * (matched by the token in the CURRENT session payload) is left
+     * alone, matching Laravel's own logoutOtherDevices() semantics
+     * (there just isn't a password to re-verify against here — this is a
+     * passwordless account, so revocation is simply "every row that
+     * isn't the one making this request").
+     *
+     * Known, deliberately accepted gap: this requires only a currently
+     * valid session, not a freshly-completed login — so anyone holding
+     * an already-authenticated session (e.g. someone who sits down at an
+     * account left logged in on a shared/public PC) can use this to
+     * evict the real owner's OTHER sessions just as easily as the real
+     * owner could use it to evict an intruder's. A stricter version would
+     * require a fresh OTP re-verification (e.g. within the last few
+     * minutes) before allowing this call. Left as-is for now — revisit if
+     * this turns out to matter in practice, rather than building
+     * abuse-resistance against a threat model nobody's confirmed is real
+     * for this storefront.
+     */
+    public function revokeOtherSessions(Authenticatable $user): int
+    {
+        $currentToken = session(self::SESSION_TOKEN_KEY);
+
+        return UserSession::query()
+            ->where('user_id', $user->getAuthIdentifier())
+            ->whereNull('revoked_at')
+            ->when($currentToken, fn ($query) => $query->where('token', '!=', $currentToken))
+            ->update(['revoked_at' => now()]);
+    }
+
+    /**
+     * Revokes EVERY session for $user, current one included — for a
+     * "this account may be compromised" response, not a routine logout.
+     */
+    public function revokeAllSessions(Authenticatable $user): int
+    {
+        return UserSession::query()
+            ->where('user_id', $user->getAuthIdentifier())
+            ->whereNull('revoked_at')
+            ->update(['revoked_at' => now()]);
+    }
+
+    /**
+     * @return UserSession|null null if the CURRENT session has no
+     *   recorded token at all (e.g. a session predating this feature, or
+     *   one Auth::login() established outside UserOtpService) — treated
+     *   as valid by EnsureSessionNotRevoked rather than rejected, since
+     *   there's nothing to have been revoked.
+     */
+    public function currentSession(): ?UserSession
+    {
+        $token = session(self::SESSION_TOKEN_KEY);
+
+        if (! $token) {
+            return null;
+        }
+
+        return UserSession::where('token', $token)->first();
+    }
+}