strong-authentication

byharmish sejpal

Create a Flutter mobile application called Expense Tracker. Features: - User authentication (Login/Register) - Dashboard with total income, expenses, and balance - Add, edit, delete transactions - Categories (Food, Travel, Shopping, Bills, etc.) - Monthly expense chart - Transaction history with search and filters - Dark/Light theme support - Local database using Hive - Clean architecture with GetX state management Generate production-ready Flutter code with proper folder structure, models, controllers, services, and responsive UI.

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System Requirements

System Requirement Document
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Strong-Authentication System Requirements Document

1. Introduction

The "Strong-Authentication" project aims to develop a robust authentication system tailored for secure access and user management. This document outlines the system requirements, user personas, core user flows, and design specifications to guide the development process.

2. System Overview

The Strong-Authentication system is designed to provide secure and efficient user authentication services. It will support various authentication methods and ensure data protection and user privacy. The system will cater to different user roles and provide a seamless user experience across platforms.

3. Functional Requirements

  • As a User, I should be able to register an account using my email and password.
  • As a User, I should be able to log in using my credentials.
  • As a User, I should be able to reset my password if I forget it.
  • As a User, I should be able to enable two-factor authentication for added security.
  • As an Admin, I should be able to manage user accounts and permissions.
  • As a User, I should receive notifications for suspicious login attempts.
  • As a User, I should be able to view my login history.
  • As a User, I should be able to log out from all devices.
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4. User Personas

  • User: Individuals who will use the authentication system to secure their accounts.
  • Admin: Personnel responsible for managing user accounts and overseeing security protocols.

5. Core User Flows

  • User registers -> verifies email -> logs in -> enables two-factor authentication -> accesses services
  • Admin logs in -> reviews user accounts -> updates permissions -> logs out

6. Visuals Colors and Theme

  • primary: #1A73E8 (a deep blue for brand identity)
  • primary_light: #E8F0FE (a light blue for hover states)
  • secondary: #FF6F61 (a coral hue for emphasis and links)
  • accent: #34A853 (a vibrant green for CTAs and active states)
  • highlight: #FBBC05 (a warm gold for notifications and alerts)
  • bg: #FFFFFF (a clean white for the background)
  • surface: rgba(255, 255, 255, 0.9) (a semi-transparent white for panels)
  • text: #202124 (a dark gray for primary text)
  • text_muted: #5F6368 (a softer gray for secondary text)
  • border: rgba(0, 0, 0, 0.1) (a subtle black for borders)
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7. Signature Design Concept

The homepage will feature an interactive 3D security vault animation using @react-three/fiber. Users can rotate the vault to reveal different authentication features. Hovering over each feature will animate the vault door to open slightly, providing a sneak peek of the feature inside. This concept will create an engaging and memorable first impression, emphasizing security and innovation.

8. Interaction Model & Motion Direction

The landing page will use a "parallax" interaction model, providing layered depth via scroll. Decorative elements like security icons and digital locks will translate at different speeds, creating a dynamic storytelling experience. Internal pages will adopt a "static" model for clarity and ease of use.

9. Non-Functional Requirements

  • The system must handle up to 10,000 concurrent users.
  • Authentication processes should complete within 2 seconds.
  • The system should have 99.9% uptime.
  • Data encryption must comply with industry standards.
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10. Tech Stack

  • Frontend: React for Web
  • Backend: Python, FastAPI
  • Database: MySQL or MariaDB
  • AI Models: Not applicable
  • Local orchestration: Docker, docker-compose
  • Server-side orchestration: Kubernetes

11. Assumptions and Constraints

  • The system will primarily serve users in India, considering local data protection laws.
  • The system must integrate with existing user management systems.
  • Budget constraints may limit the use of certain advanced technologies.

12. Glossary

  • Two-Factor Authentication (2FA): An additional layer of security requiring not only a password and username but also something that only the user has on them.
  • Admin: A user with elevated permissions to manage other users and system settings.
  • Parallax: A design technique where background images move slower than foreground images, creating an illusion of depth.
Landing design preview
Landing: View Info
Login: Admin Sign In
AdminDashboard: View Overview
Users: View Accounts
Users: Edit Permissions
Users: Suspend Account
SecurityLogs: Review Alerts
SecurityLogs: Flag Activity
Reports: View Analytics
AdminDashboard: Export Reports
Login: Sign Out