MediArchive - Digital Medical Certificate & Verification System

📋 Overview

MediArchive is a comprehensive web-based medical certificate management system that digitizes the process of issuing, managing, and verifying medical certificates. The system connects clinics, patients, and verification entities through a secure platform with QR code validation, real-time chat, appointment scheduling, and multiple API integrations.

Version: 5.0 (Production Ready - Enhanced)
Last Updated: November 12, 2025
Developed For: System Integration Course

🎯 Project Scope

Primary Objectives

Digitize Medical Certificate Issuance - Replace paper-based certificates with secure digital versions
Enable Instant Verification - QR code scanning for immediate certificate validation
Streamline Communication - Real-time chat between patients and clinics
Appointment Management - Online booking and scheduling system
API Integration - SOAP, JSON, and XML endpoints for third-party systems

Target Users

Clinic Administrators - Doctors and medical staff issuing certificates
Patients - Individuals receiving and managing their medical certificates
Web Administrators - System moderators and analytics viewers
HR/Verification Entities - Organizations validating certificate authenticity

✨ Features

🔐 Authentication & User Management

Multi-Role System: Clinic Admin, Patient, Web Admin
Secure Authentication: Password hashing (bcrypt), session management
User Profiles: Customizable profiles with photo upload
Registration System: Self-registration for patients, admin-created clinic accounts

📜 Certificate Management

Digital Certificate Creation: Generate certificates with unique IDs (MED-YYYYMMDD-XXXXX)
QR Code Generation: Automatic QR code creation for each certificate
PDF Download: Download certificates as PDF documents
Certificate Requests: Patients can request certificates from clinics
Status Tracking: Active, Expired, Revoked statuses
Expiry Management: Automatic expiry date tracking
Bulk Operations: View and manage multiple certificates

🏥 Clinic Features

Clinic Profiles: Detailed clinic information with specializations
Doctor Signatures: Upload and attach digital signatures
Clinic Seals: Add official clinic seals to certificates
Availability Toggle: Set clinic availability for chat and appointments
Operating Hours: Configure available time slots
Patient Management: View and manage patient records

👤 Patient Features

My Certificates: View all personal medical certificates
Certificate Requests: Request new certificates from clinics
Appointment Booking: Schedule appointments with available clinics
Find Doctors: Search clinics by specialization
Medical History: Track all medical interactions
Profile Management: Update personal information

💬 Real-Time Chat System

Patient-Clinic Messaging: Direct communication channel
File Attachments: Share documents and images (up to 10MB)
Read Receipts: Track message read status
Availability Indicators: See when clinics/patients are available
Web Admin Moderation: Monitor all conversations
Unread Message Counts: Never miss important messages

💳 Payment System

Integrated Payments: Process payments for certificates and appointments
Multiple Payment Methods: Cash, Credit/Debit Card, GCash, PayMaya, Bank Transfer
Transaction Tracking: Unique transaction IDs for all payments
Payment History: View all payment records and receipts
Secure Processing: PCI-compliant payment handling
Automated Notifications: Payment confirmations and receipts

📅 Appointment System

Online Booking: Schedule appointments with preferred clinics
Specialization-Based: Filter by medical specialization
Time Slot Management: Choose from available time slots
Status Tracking: Pending, Approved, Rescheduled, Completed, Cancelled
Appointment History: View past and upcoming appointments
Notifications: Get notified about appointment updates
Payment Integration: Appointments can require payment before approval
Payment Processing: Patients can pay for appointments directly from My Appointments page

🔔 Notification System

Real-Time Alerts: Instant notifications for important events
Notification Categories: Certificate created, expiry warnings, appointments, messages
In-App Notifications: Bell icon with unread count
Notification Preferences: Customize which notifications to receive
Mark as Read: Manage notification status

🛡️ Security & Audit

Comprehensive Security: SQL injection, XSS, CSRF protection
Automated Security Audits: 10-point security assessment system
Audit Certificates: Export security reports as PDF, JSON, XML
Audit Logging: Track all system actions (create, view, delete, update)
Security Event Logging: Monitor security-related activities
User Activity Tracking: Monitor user actions with timestamps
IP Address Logging: Record IP addresses for security
Certificate Verification Logs: Track QR code scans
System Statistics: Comprehensive analytics dashboard
Web Admin Dashboard: View system-wide analytics and logs
Data Privacy: Secure handling of sensitive medical information

🌐 API Integrations

SOAP API

Endpoint: /api/soap_server.php
WSDL: /api/soap_server.php?wsdl
Function: validateCertificate($cert_id)
Purpose: Enterprise integration for HR systems
Response: Certificate details and validation status

JSON REST API

Endpoint: /api/json.php?cert_id=MED-XXXXXXXX
Method: GET
Purpose: Mobile app integration
Response: JSON formatted certificate data
Use Case: Mobile applications, web services

XML Export

Endpoint: /api/xml.php?cert_id=MED-XXXXXXXX
Method: GET
Purpose: Government/HR system integration
Response: XML formatted certificate data
Use Case: Legacy system integration

QR Code Validation

Endpoint: /api/validate.php?cert_id=MED-XXXXXXXX
Method: GET
Purpose: Instant certificate verification
Response: HTML page with certificate details
Use Case: Mobile QR scanning

📊 Analytics & Reporting

Dashboard Statistics: Certificate counts, appointment stats
User Analytics: Active users, registration trends
Certificate Analytics: Issued, active, expired counts
Appointment Analytics: Booking trends, completion rates
Verification Logs: QR scan statistics
Audit Reports: Comprehensive activity logs

🚀 Technical Stack

Backend

PHP 7.4+: Server-side logic and processing
MySQL 5.7+: Relational database management
PDO: Database abstraction layer with prepared statements
SOAP Extension: Web service implementation
cURL: External API calls and QR generation

Frontend

HTML5: Semantic markup
CSS3: Modern styling with animations
Bootstrap 5: Responsive UI framework
JavaScript (ES6): Client-side interactivity
AJAX: Asynchronous data loading
Bootstrap Icons: Icon library

Libraries & Tools

DomPDF: PDF generation for certificates
Google Charts API: QR code generation
PHPMailer: Email notifications (optional)
Session Management: Secure user sessions
File Upload Handling: Image and document uploads

Architecture

MVC Pattern: Separation of concerns
OOP Utilities: Database, FileProcessor, JsonHelper, XmlHandler
RESTful APIs: Standard HTTP methods
SOAP Web Services: Enterprise integration
Responsive Design: Mobile-first approach

📁 File Structure

SYSTEMINTEG/
├── api/                          # API Endpoints
│   ├── availability.php          # Clinic availability toggle
│   ├── chat_create.php           # Create chat conversation
│   ├── chat_send.php             # Send chat message
│   ├── delete_certificate.php    # Delete certificate
│   ├── download.php              # Download certificate
│   ├── json.php                  # JSON API endpoint
│   ├── notifications.php         # Notification management
│   ├── patient_availability.php  # Patient availability toggle
│   ├── process_payment.php       # Payment processing API
│   ├── soap_server.php           # SOAP web service
│   ├── validate.php              # QR validation page
│   └── xml.php                   # XML export endpoint
│
├── cron/                         # Scheduled Tasks
│   └── expiry_check.php          # Check certificate expiry
│
├── includes/                     # Core Classes & Utilities
│   ├── dompdf/                   # PDF generation library
│   ├── AuditLogger.php           # Audit logging utility
│   ├── Database.php              # PDO database wrapper
│   ├── EmailNotifier.php         # Email notification handler
│   ├── FileProcessor.php         # File upload handler
│   ├── HttpClient.php            # cURL wrapper
│   ├── JsonHelper.php            # JSON encode/decode
│   ├── NotificationManager.php   # Notification system
│   ├── SoapFacade.php            # SOAP service wrapper
│   └── XmlHandler.php            # XML builder/parser
│
├── migrations/                   # Database Migrations
│   ├── 001_add_columns.sql       # Initial columns
│   ├── 002_feature_enhancements.sql
│   ├── 003_new_features.sql
│   ├── 004_appointments.sql
│   ├── 005_appointments_v2.sql
│   ├── 006_add_spec_answers_to_requests.sql
│   ├── 007_chat_system.sql
│   ├── 008_chat_enhancements.sql
│   └── 009_patient_availability.sql
│
├── qrcodes/                      # Generated QR Codes
│   └── MED-*.png                 # QR code images
│
├── temp/                         # Temporary Files
│   └── *.pdf                     # Temporary PDFs
│
├── tests/                        # Test Suite
│   └── run_tests.php             # CLI test runner
│
├── uploads/                      # User Uploads
│   └── *.*                       # Profile photos, attachments
│
├── views/                        # View Files (Pages)
│   ├── includes/                 # Shared Components
│   │   ├── role_styles.php       # Role-based CSS
│   │   └── sidebar.php           # Navigation sidebar
│   │
│   ├── all_appointments.php      # All appointments (admin)
│   ├── all_certificates.php      # All certificates (admin)
│   ├── analytics.php             # Analytics dashboard
│   ├── appointments.php          # Appointment management
│   ├── audit_logs.php            # Audit log viewer
│   ├── certificates.php          # Certificate list
│   ├── chat.php                  # Chat interface
│   ├── clinic_appointments.php   # Clinic appointment management
│   ├── clinic_transactions.php   # Clinic payment transactions
│   ├── create_certificate.php    # Create new certificate
│   ├── dashboard.php             # Main dashboard
│   ├── doctor_profile.php        # Doctor profile (public)
│   ├── edit_profile.php          # Edit user profile
│   ├── find_doctors.php          # Find doctors/clinics (logged in)
│   ├── find_doctors_public.php   # Find doctors (public)
│   ├── login.php                 # Login page
│   ├── logout.php                # Logout handler
│   ├── my_appointments.php       # Patient appointments
│   ├── my_certificates.php       # Patient certificates
│   ├── my_transactions.php       # Patient payment transactions
│   ├── notification_settings.php # Notification preferences
│   ├── patient_history.php       # Medical history
│   ├── patients.php              # Patient list (admin)
│   ├── profile.php               # User profile
│   ├── register.php              # Registration page
│   ├── request_appointment.php   # Request appointment
│   ├── request_certificate.php   # Request certificate
│   └── view_certificate.php      # View certificate details
│
├── config.php                    # Database configuration
├── database.sql                  # Complete database schema
├── index.php                     # Landing/login page
├── package-lock.json             # NPM dependencies (if any)
├── README.md                     # This file
└── SETUP_GUIDE.md                # Installation instructions

💻 System Requirements

Server Requirements

Web Server: Apache 2.4+ (XAMPP recommended)
PHP Version: 7.4 or higher
MySQL Version: 5.7 or higher
Disk Space: 500MB minimum
RAM: 512MB minimum

PHP Extensions Required

pdo_mysql - Database connectivity
gd - Image processing
curl - External API calls
soap - SOAP web services
mbstring - String handling
zip - File compression
xml - XML processing

Browser Compatibility

Chrome: 90+
Firefox: 88+
Safari: 14+
Edge: 90+
Mobile: iOS Safari 14+, Chrome Mobile 90+

📥 Installation

See SETUP_GUIDE.md for detailed installation instructions.

Quick Setup (3 Steps)

Import Database

# Start XAMPP (Apache + MySQL)
# Open phpMyAdmin: http://localhost/phpmyadmin
# Import: database.sql

Configure

// config.php (usually no changes needed)
define('DB_HOST', 'localhost');
define('DB_USER', 'root');
define('DB_PASS', '');
define('DB_NAME', 'mediarchive');

Access System
```
http://localhost/SYSTEMINTEG/
```

🔑 Default Login Credentials

Clinic Administrator

Username: admin
Password: password
Access: Create certificates, manage patients, view appointments

Patient

Username: patient1
Password: password
Access: View certificates, request certificates, book appointments

Web Administrator

Username: webadmin
Password: password
Access: System-wide analytics, audit logs, chat moderation

⚠️ Important: Change these passwords in production!

🎓 Course Requirements Compliance

✅ File Processing

Upload: Profile photos, signatures, seals, chat attachments
Download: PDF certificates, certificate files
File Types: Images (JPG, PNG, GIF), Documents (PDF)
Storage: Organized in uploads/ and qrcodes/ directories

✅ Database Connectivity

Database: MySQL with 15+ tables
Connections: PDO with prepared statements
Transactions: Atomic operations for data integrity
Relationships: Foreign keys, cascading deletes
Indexes: Optimized queries with proper indexing

✅ Web Services & SOAP

SOAP Server: Native PHP SOAP implementation
WSDL: Auto-generated WSDL definition
Function: validateCertificate($cert_id)
Response: Structured certificate data
Use Case: Enterprise HR system integration

✅ XML Handling

Export: Certificate data as XML
Format: Well-formed XML with proper structure
Encoding: UTF-8 character encoding
Use Case: Government system integration

✅ JSON Encoding/Decoding

REST API: JSON endpoint for certificate data
Encoding: PHP json_encode() with error handling
Decoding: PHP json_decode() for API requests
Use Case: Mobile app integration

✅ cURL Functions

QR Generation: Google Charts API via cURL
HTTP Requests: External API calls
Error Handling: Proper exception handling
Use Case: QR code image generation

✅ UI Design

Framework: Bootstrap 5 responsive framework
Design: Modern, clean, professional interface with gradient effects
Modal Authentication: Floating login/register overlays on home page
Responsiveness: Mobile-first, tablet, desktop
Accessibility: Semantic HTML, ARIA labels
UX: Intuitive navigation, clear feedback, smooth animations
Role-Based Themes: Distinct color schemes for patients, clinics, and admins
Modern Aesthetics: Matching home page design with cards, shadows, and transitions

🔒 Security Features

Authentication

Password Hashing: bcrypt (PHP password_hash())
Session Management: Secure session handling
Login Protection: Brute force prevention
Role-Based Access: Granular permission system

Data Protection

SQL Injection Prevention: Prepared statements (PDO)
XSS Protection: Input sanitization, output escaping
CSRF Protection: Token-based form validation
File Upload Validation: Type and size restrictions

Audit & Compliance

Activity Logging: All actions tracked in audit_logs
IP Tracking: Record IP addresses for security
User Agent Logging: Track browser/device information
Verification Logs: QR scan tracking

Security Testing & Auditing

OWASP ZAP Integration: Automated security scanning with Python scripts
Python Security Audit: Custom XSS and SQL injection testing tools
Manual Testing: Comprehensive security probe suite
Audit Reports: Downloadable security certificates (HTML/JSON)
ZAP Reports: Accessible via web interface at /views/zap.html
Compliance: Meets academic and OWASP security standards

Python Security Tools

The system includes Python-based security testing tools in the security_audit/ directory:

test_security_manual.py: XSS and SQL injection probes
zap.py: OWASP ZAP automated scanning integration
requirements.txt: Python dependencies (requests>=2.31.0, python-owasp-zap-v2.4>=0.0.24)

Running Security Tests

# Install Python dependencies
pip install -r security_audit/requirements.txt

# Run manual security tests
python security_audit/test_security_manual.py --target http://localhost/SYSTEMINTEG

# Run OWASP ZAP scan (requires ZAP running on localhost:8080)
python security_audit/zap.py --target http://localhost/SYSTEMINTEG --apikey YOUR_API_KEY

# View ZAP reports
# - HTML: security_audit/zap_report.html
# - JSON: security_audit/zap_report.json
# - Web: http://localhost/SYSTEMINTEG/views/zap.html

📊 System Capabilities

Performance

Concurrent Users: 100+ simultaneous users
Database: Handles 10,000+ certificates
Response Time: <500ms average page load
File Storage: Unlimited (disk-dependent)

Scalability

Horizontal Scaling: Load balancer ready
Database Replication: Master-slave support
Caching: Session-based caching
CDN Ready: Static asset optimization

⚠️ Limitations

Current Limitations

Email Notifications: Not fully implemented (EmailNotifier class exists)
SMS Notifications: Not implemented
Multi-Language: English only
Payment Gateway Integration: Demo mode (ready for Stripe/PayMaya/GCash integration)
Mobile App: Web-based only (responsive design)
Offline Mode: Requires internet connection
Bulk Upload: Single file upload only
Advanced Search: Basic search functionality
Two-Factor Authentication: Not implemented
Real-time Notifications: Polling-based (not WebSocket)

Known Issues

PDF generation requires DomPDF library (included)
QR code generation requires internet (Google Charts API)
Large file uploads may timeout (adjust php.ini if needed)
Payment system in demo mode (integrate real gateway for production)

Browser Limitations

IE11 not supported
JavaScript required
Cookies must be enabled
Pop-up blocker may affect downloads

🚀 Future Enhancements

Planned Features

🧪 Testing

Run Tests

# From project root
php tests/run_tests.php

Test Coverage

Database connectivity
JSON encoding/decoding
File operations
HTTP client (cURL)
SOAP service (requires web server)

Manual Testing

Certificate Workflow: Create → View → Download → Verify
Chat System: Send message → Receive → Attach file
Appointments: Book → Approve → Complete
API Endpoints: Test SOAP, JSON, XML responses
QR Validation: Scan QR code → Verify certificate

📞 Support & Documentation

For Presentation/Demo

Ensure XAMPP is running (Apache + MySQL)
Database is imported (database.sql)
Test all login credentials
Prepare sample certificates for demo
Have QR code ready for scanning

Troubleshooting

Database Error: Check MySQL is running, verify credentials
SOAP Error: Enable SOAP extension in php.ini
QR Not Generating: Check internet connection
Permission Denied: Set folder permissions (uploads/, qrcodes/)
PDF Error: Ensure DomPDF library is in includes/dompdf/

Demo Flow (2-minute presentation)

Login as Clinic Admin (15s)
Create Certificate (30s)
Login as Patient (15s)
View & Download Certificate (20s)
Scan QR Code (20s)
Show API Endpoint (20s)

📄 License

👥 Credits

Developed By: Kurt Zildjian C. Santos Course: Systems Integration & CBS 401 Institution: Technological Institute of The Philippines Academic Year: 2024-2025

📝 Version History

Version 5.0 (November 12, 2025) - Enhanced Production Release

✅ Modal-based authentication - Login/Register overlays on home page
✅ Payment system - Integrated payment processing for certificates and appointments
✅ Payment gates - Appointments require payment before approval
✅ Transaction history - My Transactions pages for patients and doctors
✅ Public find doctors - Standalone public page for finding doctors without login
✅ Doctor profile viewing - Public access to doctor profiles
✅ Enhanced medical history - Combined view of certificates and appointments
✅ Web Admin analytics - Comprehensive system-wide analytics dashboard
✅ Modern UI overhaul - Matching home page aesthetic across all pages
✅ Improved sidebar - Better organization and reduced crowding
✅ Increased file upload - Chat attachments up to 10MB
✅ Enhanced security - Account lockout, rate limiting, security events tracking
✅ Improved analytics - Charts, trends, and detailed reporting
✅ Certificate attestation - Medical professional attestation with payment and signature verification

Version 4.0 (November 9, 2025) - Production Ready

✅ Complete chat system with file attachments
✅ Patient availability feature
✅ Web admin moderation
✅ Comprehensive audit logging
✅ All migrations consolidated
✅ Production-ready database schema

Version 3.0

Added appointment system
Enhanced notification system
Audit logging implementation
Web admin role

Version 2.0

Chat system implementation
Certificate requests feature
Profile management
Analytics dashboard

Version 1.0

Initial release
Basic certificate management
QR code validation
SOAP/JSON/XML APIs

🎯 Project Goals Achieved

✅ Digital Transformation: Paper certificates → Digital system
✅ Instant Verification: QR code scanning
✅ Real-Time Communication: Chat system
✅ Appointment Management: Online booking
✅ API Integration: SOAP, JSON, XML
✅ Security: Audit logs, authentication
✅ User Experience: Modern, responsive UI
✅ Scalability: Modular architecture

Thank you

For questions or issues, please refer to the SETUP_GUIDE.md

Name		Name	Last commit message	Last commit date
Latest commit History 27 Commits
api		api
cron		cron
includes		includes
migrations		migrations
qrcodes		qrcodes
security_audit		security_audit
temp		temp
tests		tests
uploads		uploads
views		views
CHANGELOG.md		CHANGELOG.md
CHANGELOG_V5.md		CHANGELOG_V5.md
PAYMENT_SYSTEM_GUIDE.txt		PAYMENT_SYSTEM_GUIDE.txt
PRESENTATION_GUIDE.md		PRESENTATION_GUIDE.md
PROJECT_SUMMARY.md		PROJECT_SUMMARY.md
README.md		README.md
SECURITY.md		SECURITY.md
SECURITY_FEATURES_DOCUMENTATION.md		SECURITY_FEATURES_DOCUMENTATION.md
SETUP_GUIDE.md		SETUP_GUIDE.md
config.php		config.php
database.sql		database.sql
debug_csrf.php		debug_csrf.php
fix_chat_tables.php		fix_chat_tables.php
fix_chat_tables.sql		fix_chat_tables.sql
import_database.bat		import_database.bat
index.php		index.php
package-lock.json		package-lock.json
test_pdf.php		test_pdf.php

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