2 commits

Author	SHA1	Message	Date
Adam Moussa	091c5fcb44	Fix Phase 1 security and data integrity audit findings (#49) ... BLOCK-01: Add API Gateway JWT authorizer with Cognito, route internal Lambda calls through Function URL to bypass gateway auth BLOCK-02/03: Prevent proposal number race condition with pg_advisory_xact_lock and filter revision numbers from max-number query BLOCK-04: Restrict VendorProposals and GeneratedPdfs to admins/sysadmins BLOCK-05: Sum all vendor costs instead of overwriting with single vendor BLOCK-06: Enable ValidateAudience on JWT, add Auth env vars to API Lambda BLOCK-07: Validate ID token signature in AuthController via OIDC discovery BLOCK-08: Use batchItemFailures in all Lambda SQS handlers BLOCK-09: Increase SQS visibility timeout from 180s to 720s FIX-10: Scope dispatcher queries to own proposals (IDOR fix)	2026-05-20 18:51:31 -04:00
Adam Moussa	d2e12d3940	Implement Backend API Core (Phase 1) ... Complete API layer with Clean Architecture: - Application DTOs (proposals, line items, customers, users, files, audit, dashboard) - Service interfaces (IProposalService, ILineItemService, ICustomerService, IAuditService, IS3Service, IJobPublisher) - FluentValidation validators for all create requests - Infrastructure service implementations (ProposalService, LineItemService, CustomerService, AuditService, S3Service, SqsJobPublisher, ProposalNumberGenerator) - Secrets Manager connection string resolver for RDS - API controllers: Proposals (CRUD + approve/send/revise), LineItems (CRUD + bulk), Customers, Users, Files (presigned upload/download), Admin (dashboard) - Middleware: GlobalExceptionHandler (ProblemDetails), ValidationFilter (FluentValidation pipeline) - CurrentUserService (Cognito JWT claims -> User entity, auto-provisioning) - Full DI configuration in Program.cs with Lambda hosting - Role-based authorization (dispatchers, admins, sysadmins) - CORS configured for proposals.seahaven.com + localhost	2026-05-16 18:49:48 -04:00