System Requirements Document for bronze-mobile

1. Introduction

SafeLocate is a mobile-friendly web application designed to allow users to share and view real-time location with trusted contacts. The application emphasizes privacy and consent, ensuring that users have control over their location data and who can access it. The target audience includes individuals who wish to share their location securely with family, friends, or colleagues.

2. System Overview

SafeLocate provides a secure platform for real-time location sharing between consenting users. The application requires explicit user consent for location sharing and uses secure methods to invite trusted contacts to view shared locations. It features an interactive map, session management, and privacy controls to ensure user data is protected. The application is built using modern web technologies and adheres to strict privacy and security standards.

2a. Product Interpretation and Delivery Boundary

SafeLocate is a web-based application with a mobile-friendly design. It requires users to explicitly grant location permissions and authenticate before accessing protected features. The application does not infer GPS locations from phone numbers and rejects unauthorized tracking attempts. It uses React or Flutter for the frontend, Node.js for the backend, and integrates with Google Maps or OpenStreetMap for map services.

2b. Source Content Inventory

Not applicable as no content_source directive is provided.

2c. Page Content and Component Coverage

Landing

• Purpose: Introduce SafeLocate, explain its features, and emphasize privacy and consent.
• Components:
  • Overview of SafeLocate
  • Explanation of privacy and consent
  • Call-to-action for login or registration

Login/Register screen

• Purpose: Allow users to create an account or log in to access SafeLocate.
• Components:
  • Login form
  • Registration form
  • Secure session management

Permission and privacy explanation

• Purpose: Inform users about location permissions and privacy policies.
• Components:
  • Detailed explanation of location permissions
  • Privacy policy overview
  • Consent acknowledgment

Create tracking session

• Purpose: Enable users to start a new location-sharing session.
• Components:
  • Session creation form
  • Option to generate invitation code or link

Invite trusted contact

• Purpose: Allow users to invite trusted contacts to view their location.
• Components:
  • Invitation code/link generation
  • Secure sharing options

List of active sharing sessions

• Purpose: Display current active location-sharing sessions.
• Components:
  • List of sessions with status (Active/Paused/Stopped)
  • Options to manage sessions

Interactive map

• Purpose: Show real-time location of consenting users.
• Components:
  • Interactive map display
  • Location-sharing status indicators
  • Controls for starting, pausing, or stopping sharing

Privacy and account settings

• Purpose: Provide users with privacy and account management options.
• Components:
  • Privacy settings
  • Account management options
  • Data retention preferences

3. Functional Requirements

• As a Location Sharer, I should be able to explicitly grant location permission before my location is shared. (explicit)
• As a Location Sharer, I should be able to create a private tracking session and invite a trusted contact using a secure invitation code or link. (explicit)
• As a Location Sharer, I should be able to display my location on an interactive map for invited contacts. (explicit)
• As a Location Sharer, I should be able to view and manage the status of my location-sharing sessions as Active, Paused, or Stopped. (explicit)
• As a Location Sharer, I should be able to stop sharing my location immediately. (explicit)
• As a Location Sharer, I should be informed whenever my location is being shared. (explicit)
• As a Trusted Contact, I should be able to view the Location Sharer's real-time location after accepting an invitation. (required_inference)
• As a user, I should be required to log in and manage my session securely. (explicit)
• As a user, I should have access to privacy and account settings to manage my data and preferences. (explicit)

4. User Personas

• Location Sharer: A user who consents to share their location, creates or joins tracking sessions, and manages sharing states.
• Trusted Contact: An invited user who can view the Location Sharer's real-time location and session status after accepting an invitation.

5. Core User Flows

Location Sharer Flow

1. Landing: The user visits the landing page and learns about SafeLocate.
2. Login/Register: The user logs in or registers to access the application.
3. Permission and Privacy: The user reviews and grants location permissions.
4. Create Tracking Session: The user creates a new session and generates an invitation code/link.
5. Invite Trusted Contact: The user shares the invitation with a trusted contact.
6. Interactive Map: The user views their location on the map and manages sharing status.
7. Privacy and Account Settings: The user adjusts privacy settings and manages their account.

Trusted Contact Flow

1. Landing: The contact receives an invitation and visits the landing page.
2. Login/Register: The contact logs in or registers to accept the invitation.
3. Interactive Map: The contact views the Location Sharer's real-time location on the map.

6. Visuals Colors and Theme

• Muse: Haraldur Thorleifsson
• Palette:
  • Background: #f5f5f5
  • Surface: #ffffff
  • Text: #333333
  • Primary: #ff6f61
  • Accent: #ffcc00
  • Muted: #cccccc
• Typography:
  • Headings: Outfit, Bold, large sizes, loose tracking
  • Body: Sora
  • Scale: 1.414 modular
• Shape Language: Chunky rounded cards, large buttons with soft edges
• Layout: Clean sections with whitespace, clear hierarchy
• Motion: Lively entrance animations, hover pops
• Imagery: Custom illustrations, bold iconography

7. Signature Design Concept

The landing page features a bold, illustration-led hero section with characters using SafeLocate. Dominant coral and yellow hues are used, balanced by spacious white backgrounds. Oversized coral CTA buttons and rounded iconography guide user interaction.

8. Interaction Model & Motion Direction

• Interaction Model: Animated
• Motion Tempo: Expressive
• Hero Dimensionality: Layered_2d
• Landing Hero Motion Brief: The hero section features characters interacting with the app, with lively animations indicating interactivity. The primary CTA button uses a hover pop effect to draw attention.

9. Non-Functional Requirements

• The application must be mobile-friendly and responsive. (explicit)
• Data must be encrypted and stored securely with minimal retention. (explicit)
• The application must handle high concurrency for real-time location updates. (required_inference)

10. Tech Stack

• Frontend: React or Flutter
• Backend: Node.js
• Map Service: Google Maps or OpenStreetMap
• Geolocation: Device's standard geolocation API

11. Assumptions and Constraints

• Users must have internet access to use SafeLocate.
• The application will not function without explicit location permissions.
• Invitation codes/links are the only method for inviting trusted contacts.

12. Glossary

• Location Sharer: A user who shares their location with trusted contacts.
• Trusted Contact: A user invited to view a Location Sharer's location.
• Session: A period during which location sharing is active.
• CTA: Call to Action, a button or link prompting user interaction.