Add secure API key generation script and environment configuration

Author: hk-dev13

.env.production.keys

@@ -0,0 +1,9 @@
+# Production API Keys - Generated 2025-08-20T14:30:36.445482
+API_KEYS=basic_99mKyq6S0imoFJHgy6z9yWFkNIdbKTlcLyogzHON:ProductionBasic:basic,premium_BgrcrVO0rLHAe7q3hcJZYlsm2UWQ0y6pSOb1UgoT:ProductionPremium:premium,enterprise_TnFJ1FjYYPrXUXX4Cbd9VdXN5zmPsGoO0ojZ3nvz:ProductionEnterprise:enterprise
+MASTER_API_KEY=master_9rOYY1W14MGrOa5hVNyIBYqs9khAyTHzVkShZiAMcvckjW5l
+
+# Individual Keys for Reference:
+# Basic Tier: basic_99mKyq6S0imoFJHgy6z9yWFkNIdbKTlcLyogzHON
+# Premium Tier: premium_BgrcrVO0rLHAe7q3hcJZYlsm2UWQ0y6pSOb1UgoT 
+# Enterprise Tier: enterprise_TnFJ1FjYYPrXUXX4Cbd9VdXN5zmPsGoO0ojZ3nvz
+# Master Key: master_9rOYY1W14MGrOa5hVNyIBYqs9khAyTHzVkShZiAMcvckjW5l

.gitignore

@@ -1,3 +1,5 @@
+# Ignore production API keys file
+production_keys.json
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[codz]

README.md

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+#!/usr/bin/env python3
+"""
+Generate secure API keys for production use
+"""
+
+import secrets
+import hashlib
+import string
+import json
+from datetime import datetime
+
+def generate_api_key(prefix="", length=32):
+    """Generate a cryptographically secure API key."""
+    alphabet = string.ascii_letters + string.digits
+    key = ''.join(secrets.choice(alphabet) for _ in range(length))
+    return f"{prefix}_{key}" if prefix else key
+
+def generate_tier_keys():
+    """Generate API keys for different tiers."""
+    keys = {
+        "basic": {
+            "key": generate_api_key("basic", 40),
+            "tier": "basic",
+            "rate_limit": "100/hour",
+            "features": ["emissions", "countries", "basic_stats"]
+        },
+        "premium": {
+            "key": generate_api_key("premium", 40), 
+            "tier": "premium",
+            "rate_limit": "1000/hour",
+            "features": ["emissions", "countries", "stats", "analytics", "bulk_export"]
+        },
+        "enterprise": {
+            "key": generate_api_key("enterprise", 40),
+            "tier": "enterprise", 
+            "rate_limit": "unlimited",
+            "features": ["all"]
+        }
+    }
+    
+    # Generate master key
+    master_key = generate_api_key("master", 48)
+    
+    return keys, master_key
+
+def create_env_format(keys, master_key):
+    """Create environment variable format."""
+    key_strings = []
+    for tier_name, tier_data in keys.items():
+        key_strings.append(f"{tier_data['key']}:Production{tier_name.title()}:{tier_name}")
+    
+    api_keys_env = ",".join(key_strings)
+    
+    return f"""# Production API Keys - Generated {datetime.now().isoformat()}
+API_KEYS={api_keys_env}
+MASTER_API_KEY={master_key}
+
+# Individual Keys for Reference:
+# Basic Tier: {keys['basic']['key']}
+# Premium Tier: {keys['premium']['key']} 
+# Enterprise Tier: {keys['enterprise']['key']}
+# Master Key: {master_key}
+"""
+
+if __name__ == "__main__":
+    print("🔑 Generating secure API keys for production...")
+    
+    keys, master_key = generate_tier_keys()
+    env_content = create_env_format(keys, master_key)
+    
+    # Save to file
+    with open('.env.production.keys', 'w') as f:
+        f.write(env_content)
+    
+    # Save detailed info to JSON
+    key_info = {
+        "generated_at": datetime.now().isoformat(),
+        "keys": keys,
+        "master_key": master_key,
+        "usage_instructions": {
+            "basic": "For standard API usage with rate limits",
+            "premium": "For high-volume usage with extended features", 
+            "enterprise": "For unlimited usage with all features",
+            "master": "For administrative access and service management"
+        }
+    }
+    
+    with open('production_keys.json', 'w') as f:
+        json.dump(key_info, f, indent=2)
+    
+    print("✅ API Keys generated successfully!")
+    print("\n📁 Files created:")
+    print("- .env.production.keys (Environment variables)")
+    print("- production_keys.json (Detailed key information)")
+    
+    print("\n🔐 Security Notes:")
+    print("- Store these keys securely")
+    print("- Never commit keys to version control")
+    print("- Update GitHub Secrets with new API_KEYS value")
+    print("- Rotate keys regularly")
+    
+    print(f"\n📋 Quick Reference:")
+    print(f"Basic Key: {keys['basic']['key']}")
+    print(f"Premium Key: {keys['premium']['key']}")
+    print(f"Master Key: {master_key}")