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27f6252 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | #!/usr/bin/env python3
"""
Enhanced Neo4j Knowledge Graph Loader
Loads CVE data from processed documents and CPE parsing results into Neo4j.
"""
import sys
import os
import json
import argparse
from datetime import datetime
from typing import Dict, List, Any, Optional
from neo4j import GraphDatabase
import logging
from src.constructors.kg_builder import (
create_cve_node,
create_cwe_nodes,
create_capec_nodes,
create_product_vendor_nodes,
create_cve_product_relationships
)
from config import Config
# Add parent directory to path for imports
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)
class EnhancedNeo4jLoader:
def __init__(self, uri="bolt://localhost:7687", user="neo4j", password="password"):
self.driver = GraphDatabase.driver(uri, auth=(user, password))
self.cve_data = {}
self.cpe_data = {}
def close(self):
self.driver.close()
def load_cve_data(self, cve_file_path: str):
"""Load processed CVE data"""
logger.info(f"Loading CVE data from {cve_file_path}")
with open(cve_file_path, 'r', encoding='utf-8') as f:
cve_documents = json.load(f)
for doc in cve_documents:
cve_id = doc['id']
self.cve_data[cve_id] = doc
logger.info(f"Loaded {len(self.cve_data)} CVE documents")
def load_cpe_data(self, cpe_file_path: str):
"""Load CPE parsing results"""
logger.info(f"Loading CPE data from {cpe_file_path}")
with open(cpe_file_path, 'r', encoding='utf-8') as f:
self.cpe_data = json.load(f)
logger.info(f"Loaded CPE data for {len(self.cpe_data.get('products', {}))} products")
def create_cve_node(self, cve_id: str, cve_doc: Dict[str, Any]):
"""Create a CVE node with rich metadata"""
with self.driver.session() as session:
create_cve_node(session, cve_id, cve_doc)
def create_cwe_nodes(self, cve_id: str, cwe_refs: List[str]):
"""Create CWE nodes and relationships"""
with self.driver.session() as session:
create_cwe_nodes(session, cve_id, cwe_refs)
def create_capec_nodes(self, cve_id: str, capec_refs: List[str]):
"""Create CAPEC nodes and relationships"""
with self.driver.session() as session:
create_capec_nodes(session, cve_id, capec_refs)
def create_product_vendor_nodes(self, product_key: str, product_data: Dict[str, Any]):
"""Create Product and Vendor nodes from CPE data"""
with self.driver.session() as session:
create_product_vendor_nodes(session, product_key, product_data)
def create_cve_product_relationships(self, cve_id: str, affected_products: List[str]):
"""Create relationships between CVEs and affected products"""
with self.driver.session() as session:
create_cve_product_relationships(session, cve_id, affected_products)
def load_knowledge_graph(self, limit: Optional[int] = None):
"""Load the complete knowledge graph"""
logger.info("Starting enhanced knowledge graph loading...")
# Process CVE data
cve_count = 0
for cve_id, cve_doc in self.cve_data.items():
if limit and cve_count >= limit:
break
try:
logger.info(f"Processing CVE: {cve_id}")
# Create CVE node with rich metadata
self.create_cve_node(cve_id, cve_doc)
# Create CWE nodes and relationships
cwe_refs = cve_doc.get('cwe_refs', [])
if cwe_refs:
self.create_cwe_nodes(cve_id, cwe_refs)
# Create CAPEC nodes and relationships
capec_refs = cve_doc.get('capec_refs', [])
if capec_refs:
self.create_capec_nodes(cve_id, capec_refs)
# Create relationships to affected products
affected_products = cve_doc.get('affected_products', [])
if affected_products:
self.create_cve_product_relationships(cve_id, affected_products)
cve_count += 1
except Exception as e:
logger.error(f"Error processing CVE {cve_id}: {e}")
continue
# Process CPE data (products and vendors)
product_count = 0
for product_key, product_data in self.cpe_data.get('products', {}).items():
try:
self.create_product_vendor_nodes(product_key, product_data)
product_count += 1
except Exception as e:
logger.error(f"Error processing product {product_key}: {e}")
continue
logger.info(f"✅ Enhanced knowledge graph loading complete!")
logger.info(f" - CVEs processed: {cve_count}")
logger.info(f" - Products processed: {product_count}")
def get_graph_stats(self):
"""Get basic statistics about the loaded graph"""
with self.driver.session() as session:
# Node counts
node_stats = session.run("""
MATCH (n)
RETURN labels(n) as NodeType, count(n) as Count
ORDER BY Count DESC
""")
print("\n📊 Enhanced Knowledge Graph Statistics:")
print("=" * 50)
print("\n📈 Node Counts:")
for record in node_stats:
node_type = record['NodeType'][0] if record['NodeType'] else 'Unknown'
print(f" {node_type}: {record['Count']:,}")
# Relationship counts
rel_stats = session.run("""
MATCH ()-[r]->()
RETURN type(r) as RelationshipType, count(r) as Count
ORDER BY Count DESC
""")
print("\n🔗 Relationship Counts:")
for record in rel_stats:
print(f" {record['RelationshipType']}: {record['Count']:,}")
def main():
parser = argparse.ArgumentParser(description="Enhanced Neo4j Knowledge Graph Loader")
config = Config()
parser.add_argument("--cve-file",
default=str(config.enhanced_documents_path),
help="Path to processed CVE data file (default: knowledge_base/enhanced_documents_latest.json)")
parser.add_argument("--cpe-file",
default=str(config.knowledge_base_dir / 'cpe_parsing_results_full.json'),
help="Path to CPE parsing results file (default: knowledge_base/cpe_parsing_results_full.json)")
parser.add_argument("--uri", default="bolt://localhost:7687", help="Neo4j URI")
parser.add_argument("--user", default="neo4j", help="Neo4j username")
parser.add_argument("--password", default="password", help="Neo4j password")
parser.add_argument("--limit", type=int, help="Limit number of CVEs to process")
parser.add_argument("--stats", action="store_true", help="Show graph statistics after loading")
args = parser.parse_args()
loader = EnhancedNeo4jLoader(args.uri, args.user, args.password)
try:
# Load data files
loader.load_cve_data(args.cve_file)
loader.load_cpe_data(args.cpe_file)
# Load knowledge graph
loader.load_knowledge_graph(args.limit)
# Show statistics if requested
if args.stats:
loader.get_graph_stats()
except Exception as e:
logger.error(f"Error during loading: {e}")
finally:
loader.close()
if __name__ == "__main__":
main() |