Auth0 Setup — Create Your First Auth0 Tenant and Application

# 1. Go to auth0.com and sign up
# 2. Click "Create Application"
# 3. Choose application type:
#    - Single Page Web Application (SPA)
#    - Regular Web Application
#    - Native Application
#    - Machine to Machine Application
# 4. Note your tenant domain and client ID

# tenant_setup.py
# Tenant creation steps

def tenant_setup_steps():
    steps = [
        "Sign up at auth0.com (free tier included)",
        "Choose a tenant name (e.g., dodatech-dev)",
        "Select a region (US, EU, AU)",
        "Choose application type",
        "Note: Domain (tenant.region.auth0.com)",
        "Note: Client ID and Client Secret",
        "Set Allowed Callback URLs",
        "Set Allowed Logout URLs",
        "Set Allowed Web Origins",
    ]
    
    print("Auth0 Tenant Setup Steps:")
    for i, step in enumerate(steps, 1):
        print(f"  {i}. {step}")

tenant_setup_steps()

# app_registration.py
# Application registration configuration

def configure_spa():
    print("Single Page Application Configuration:")
    print()
    print("Application Type: Single Page Web Application")
    print("Token Endpoint Authentication Method: None (PKCE)")
    print()
    print("Allowed Callback URLs:")
    print("  http://localhost:3000/api/auth/callback")
    print("  https://dodatech.app/api/auth/callback")
    print()
    print("Allowed Logout URLs:")
    print("  http://localhost:3000")
    print("  https://dodatech.app")
    print()
    print("Allowed Web Origins:")
    print("  http://localhost:3000")
    print("  https://dodatech.app")
    print()
    print("Important: Never use localhost URLs in production")

configure_spa()

# JavaScript (SPA)
npm install @auth0/auth0-react

# Python backend
pip install auth0-python

# Node.js backend
npm install express-oauth2-jwt-bearer

# Mobile (React Native)
npm install react-native-auth0

# Swift
# Add Auth0 via Swift Package Manager

# sdk_install.py
# SDK installation verification

def check_sdk():
    try:
        import auth0
        print(f"Auth0 Python SDK installed")
        print(f"Available modules: auth0, auth0.authentication")
    except ImportError:
        print("Auth0 SDK not installed.")
        print("Run: pip install auth0-python")

check_sdk()

# login_flow.py
# Auth0 login implementation

import os

def login_flow_example():
    domain = os.getenv("AUTH0_DOMAIN", "your-tenant.us.auth0.com")
    client_id = os.getenv("AUTH0_CLIENT_ID", "your-client-id")
    audience = os.getenv("AUTH0_AUDIENCE", "https://api.dodatech.com")
    
    print("Auth0 Login Flow:")
    print(f"  Domain: {domain}")
    print(f"  Client ID: {client_id[:10]}...")
    print(f"  Audience: {audience}")
    print()
    print("Authorization URL (for redirect-based login):")
    auth_url = (
        f"https://{domain}/authorize"
        f"?response_type=code"
        f"&client_id={client_id}"
        f"&redirect_uri=http://localhost:3000/callback"
        f"&scope=openid%20profile%20email"
        f"&audience={audience}"
    )
    print(f"  {auth_url}")

login_flow_example()

import os

def verify_auth0_setup():
    required_vars = ["AUTH0_DOMAIN", "AUTH0_CLIENT_ID", "AUTH0_AUDIENCE"]
    
    print("Auth0 Setup Verification:")
    for var in required_vars:
        value = os.getenv(var)
        if value:
            print(f"  [OK] {var} = {value[:15]}...")
        else:
            print(f"  [FAIL] {var} not set")
    
    if all(os.getenv(v) for v in required_vars):
        print("\nSetup is complete. You can start authenticating users.")

verify_auth0_setup()