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SOA/README.md
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# 🧩 SOA – Service-Oriented Architecture Project
## 🏗️ Architecture Overview
This project implements a **Service-Oriented Architecture (SOA)** for an art gallery management system using Docker containerization and microservices architecture.
### System Components
```
🌐 HTTPS (Port 443)
│
┌──────────────────────────▼──────────────────────────────┐
│ Apache Reverse Proxy │
│ (SSL Termination + OIDC Validation) │
│ │
│ /api/public/* ──────┐ ┌────── /api/private/* │
│ (No Auth) │ │ (OIDC Required) │
└───────────────────────┼──────┼──────────────────────────┘
│ │ |
│ │ (+ OIDC Headers) |
│ │ |
┌─────────────▼──┐ ┌─▼──────────────┐ |
│ │ │ │ |
│ Public API │ │ Private API │ |
│ (Laravel) │ │ (Flask) │ |
│ Port 5001 │ │ Port 5002 │ |
└─────────┬──────┘ └─┬──────────────┘ |
│ │ |
┌─────────▼──────────▼─────────┐ ┌───────▼──────┐
│ MySQL │ │ Keycloak │
│ (Application DB) │ │ + Postgres │
└──────────────────────────────┘ └──────────────┘
│
┌─────────────────▼─────────────────┐
│ Redis │
│ (Cache + Events) │
└───────────────────────────────────┘
```
### Technology Stack
| Component | Technology | Purpose |
|-----------|------------|---------|
| **Reverse Proxy** | Apache HTTP Server | SSL termination, request routing |
| **Authentication** | Keycloak | OIDC/OAuth2 identity provider |
| **Public API** | Laravel 12 (PHP) | Public galleries and artworks API |
| **Private API** | Flask (Python) | User management and private content |
| **Databases** | PostgreSQL + MySQL | Data persistence |
| **Cache/Queue** | Redis | Caching and event messaging | // NOT IMPLEMENTED YET
### Service Architecture
#### 🔓 **Public API Service** (Laravel)
- **Port**: Internal 5001 (via Apache)
- **Database**: MySQL
- **Purpose**: Public access to galleries and artworks
- **Features**:
- RESTful API for public galleries
- Artist directory
- Public artwork browsing
- Pagination and filtering
#### 🔒 **Private API Service** (Flask)
- **Port**: Internal 5002 (via Apache)
- **Database**: MySQL
- **Authentication**: OIDC via Apache mod_auth_openidc
- **Purpose**: Authenticated user operations
- **Features**:
- User profile management
- Gallery creation and management
- Artwork upload and editing
- Review system for galleries/artworks
- Invitation system for gallery members
#### 🔐 **Authentication Service** (Keycloak)
- **Port**: 8080
- **Database**: PostgreSQL
- **Purpose**: Centralized identity and access management
- **Features**:
- OIDC/OAuth2 provider
- User registration and login
- Token-based authentication
- Single Sign-On (SSO)
### Request Flow
All requests enter through **Apache on port 443** (HTTPS) and are processed as follows:
1. **SSL Termination**: Apache handles SSL/TLS encryption
2. **Request Routing**: Based on URL path:
- `/api/public/*` → Routes to **Public API** (Laravel on port 5001)
- `/api/private/*` → Routes to **Private API** (Flask on port 5002)
3. **OIDC Authentication Check**:
- **Public API**: No authentication required
- **Private API**: Apache mod_auth_openidc validates OIDC tokens with Keycloak
4. **Header Injection**: Apache injects user info headers (OIDC_email, OIDC_user) for authenticated requests
5. **API Processing**: Backend services handle business logic
6. **Data Persistence**: MySQL stores application data
7. **Event Publishing**: Redis handles inter-service communication
### Security Model
- **SSL/TLS**: All external communication encrypted
- **OIDC Authentication**: Industry standard OAuth2/OIDC flow
- **Token-based Authorization**: JWT tokens for API access
- **Network Isolation**: Services communicate via internal network
- **Database Security**: Separate databases for auth and application data
## 🚀 Quick Start
1. **Start the application stack:**
```bash
docker compose up -d --build
```
2. **Initialize Keycloak configuration:**
```bash
./setup-keycloak.sh
```
3. **Update your `/etc/hosts` file:**
```
127.0.0.1 api.local auth.local
```
---
## 🔐 Credentials
### Keycloak Admin Panel
* 📍 URL: [http://auth.local:8080](http://auth.local:8080)
* 👤 **Username:** `admin`
* 🔑 **Password:** `admin`
### Private API User
* 👤 **Username:** `alexis`
* 🔑 **Password:** `password`
---
## 🗂️ Public API Endpoints Overview
All routes are prefixed with `/api/public`.
| Method | Endpoint | Description |
| ------ | ------------------------------- | ---------------------------------- |
| GET | `/artists` | List all public artists |
| GET | `/galleries` | List all public galleries |
| GET | `/galleries/{gallery}/artworks` | List artworks for a public gallery |
---
## 🗂️ Private API Endpoints Overview
All routes are prefixed with `/api/private` and require a **Bearer token**.
### 👤 User
| Method | Endpoint | Description |
| ------ | -------- | ----------------------------- |
| GET | `/me` | Get current user's profile |
| PUT | `/me` | Update current user's profile |
### 🖼️ Galleries
| Method | Endpoint | Description |
| ------ | ----------------------- | --------------------------------- |
| GET | `/galleries` | List all accessible galleries |
| GET | `/galleries/mine` | List galleries owned by the user |
| POST | `/gallery` | Create a new gallery |
| GET | `/gallery/{gallery_id}` | Get details of a specific gallery |
| PUT | `/gallery/{gallery_id}` | Update a gallery (owner only) |
### 👥 Members
| Method | Endpoint | Description |
| ------ | ------------------------------- | ------------------------- |
| GET | `/gallery/{gallery_id}/members` | List members of a gallery |
### 📩 Invitations
| Method | Endpoint | Description |
| ------ | ----------------------------------- | --------------------------- |
| POST | `/gallery/{gallery_id}/invite` | Invite user to a gallery |
| PUT | `/invitations/{gallery_id}/respond` | Accept or reject invitation |
| GET | `/invitations/received` | List received invitations |
### 🖼️ Artworks
| Method | Endpoint | Description |
| ------ | -------------------------------- | ----------------------------------- |
| GET | `/gallery/{gallery_id}/artworks` | List artworks in a gallery |
| POST | `/gallery/{gallery_id}/artwork` | Add artwork to gallery (owner only) |
| GET | `/artwork/{artwork_id}` | Get details of an artwork |
| PUT | `/artwork/{artwork_id}` | Update an artwork (creator only) |
| GET | `/artworks/mine` | List artworks created by the user |
### 📝 Gallery Reviews
| Method | Endpoint | Description |
| ------ | ------------------------------- | ------------------------------------- |
| GET | `/gallery/{gallery_id}/reviews` | List reviews for a gallery |
| POST | `/gallery/{gallery_id}/review` | Submit a review for a gallery |
| PUT | `/galleries/review/{review_id}` | Update a gallery review (author only) |
| GET | `/galleries/reviews/given` | Reviews written by the user |
| GET | `/galleries/reviews/received` | Reviews received on user’s galleries |
### 📝 Artwork Reviews
| Method | Endpoint | Description |
| ------ | ------------------------------- | -------------------------------------- |
| GET | `/artwork/{artwork_id}/reviews` | List reviews for an artwork |
| POST | `/artwork/{artwork_id}/review` | Submit a review for an artwork |
| PUT | `/artworks/review/{review_id}` | Update an artwork review (author only) |
| GET | `/artworks/reviews/given` | Reviews written by the user |
| GET | `/artworks/reviews/received` | Reviews received on user’s artworks |
---
# Public API:
## Routes :
```
GET|HEAD api/artists
GET|HEAD api/galleries
GET|HEAD api/galleries/{gallery}/artworks
```
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