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src/auth/guards/settings-jwt.guard.ts

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+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  UnauthorizedException,
+} from "@nestjs/common";
+import { JwtService } from "@nestjs/jwt";
+import { Request } from "express";
+
+/**
+ * Verifies Bearer JWT for platform settings routes. Does not restrict by role;
+ * pair with {@link RolesGuard} on handlers.
+ */
+@Injectable()
+export class SettingsJwtGuard implements CanActivate {
+  constructor(private readonly jwtService: JwtService) {}
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const request = context.switchToHttp().getRequest<Request>();
+    const token = this.extractTokenFromHeader(request);
+    if (!token) {
+      throw new UnauthorizedException("Token not found");
+    }
+
+    try {
+      const payload = await this.jwtService.verifyAsync(token, {
+        secret: `${process.env.SECRET}`,
+      });
+      (request as any).user = payload;
+      (request as any).identity = payload;
+      return true;
+    } catch {
+      throw new UnauthorizedException("Invalid token");
+    }
+  }
+
+  private extractTokenFromHeader(request: Request): string | undefined {
+    const [type, token] = request.headers.authorization?.split(" ") ?? [];
+    return type === "Bearer" ? token : undefined;
+  }
+}