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"""
Phase 2: Integrity Audit
Verifies repository integrity at multiple levels and generates report
"""
import os
import subprocess
import hashlib
import json
from datetime import datetime
from pathlib import Path
class IntegrityVerifier:
def __init__(self, repo_path):
self.repo_path = Path(repo_path)
self.repo_name = self.repo_path.name
self.results = {
'repo': self.repo_name,
'timestamp': datetime.now().isoformat(),
'levels': {}
}
def run_git_command(self, cmd):
"""Execute git command and return output"""
result = subprocess.run(
cmd,
cwd=self.repo_path,
capture_output=True,
text=True,
shell=False
)
return result.stdout.strip(), result.stderr.strip(), result.returncode
def level_1_commit_and_tree_hash(self):
"""Level 1: Compare local vs remote commit and tree hashes"""
print(" [Level 1] Commit & Tree Hash Comparison")
# Get local commit hash
local_commit, _, ret1 = self.run_git_command(['git', 'rev-parse', 'HEAD'])
# Get local tree hash
local_tree, _, ret2 = self.run_git_command(['git', 'rev-parse', 'HEAD^{tree}'])
# Get remote commit hash
remote_info, _, ret3 = self.run_git_command(['git', 'ls-remote', 'origin', 'HEAD'])
remote_commit = remote_info.split()[0] if remote_info else None
if ret1 != 0 or ret2 != 0 or ret3 != 0:
self.results['levels']['level_1'] = {
'status': 'ERROR',
'message': 'Failed to retrieve git hashes'
}
print(" [x] ERROR: Failed to retrieve git information")
return False
commit_match = local_commit == remote_commit
self.results['levels']['level_1'] = {
'status': 'PASS' if commit_match else 'FAIL',
'local_commit': local_commit,
'remote_commit': remote_commit,
'local_tree': local_tree,
'commit_match': commit_match
}
if commit_match:
print(" [✓] PASS - Commits match")
print(f" Commit: {local_commit[:12]}...")
print(f" Tree: {local_tree[:12]}...")
else:
print(" [x] FAIL - Commit mismatch")
print(f" Local: {local_commit[:12]}...")
print(f" Remote: {remote_commit[:12]}...")
return commit_match
def level_2_git_fsck(self):
"""Level 2: Deep git repository integrity check"""
print(" [Level 2] Git Repository Integrity (fsck)")
output, stderr, returncode = self.run_git_command(['git', 'fsck', '--full'])
# git fsck returns 0 if no issues
passed = returncode == 0 and not any(word in output.lower() for word in ['error', 'missing', 'corrupt'])
self.results['levels']['level_2'] = {
'status': 'PASS' if passed else 'FAIL',
'returncode': returncode,
'issues_found': [] if passed else output.split('\n')[:5] # First 5 issues
}
if passed:
print(" [✓] PASS - Repository integrity verified")
else:
print(" [x] FAIL - Repository integrity issues detected")
if output:
print(f" Issues: {output[:100]}...")
return passed
def level_3_file_hashing(self):
"""Level 3: File-by-file and folder structure verification"""
print(" [Level 3] File-by-File Hash Verification")
# Get list of all tracked files
files_output, _, ret = self.run_git_command(['git', 'ls-files'])
if ret != 0:
self.results['levels']['level_3'] = {
'status': 'ERROR',
'message': 'Failed to list git files'
}
print(" [x] ERROR: Failed to list files")
return False
files = files_output.split('\n') if files_output else []
file_hashes = {}
corrupted_files = []
total_files = len(files)
# Calculate hash for each file
for file in files[:100]: # Limit to first 100 files for performance
if not file:
continue
file_path = self.repo_path / file
if file_path.exists() and file_path.is_file():
try:
with open(file_path, 'rb') as f:
file_hash = hashlib.sha256(f.read()).hexdigest()
file_hashes[file] = file_hash
# Verify against git's hash
git_hash, _, ret = self.run_git_command(['git', 'hash-object', file])
if ret != 0 or not git_hash:
corrupted_files.append(file)
except Exception as e:
corrupted_files.append(file)
passed = len(corrupted_files) == 0
self.results['levels']['level_3'] = {
'status': 'PASS' if passed else 'FAIL',
'total_files_checked': len(file_hashes),
'total_files_in_repo': total_files,
'corrupted_files': corrupted_files,
'sample_hashes': dict(list(file_hashes.items())[:3]) # First 3 as sample
}
if passed:
print(f" [✓] PASS - All files verified ({len(file_hashes)} checked)")
if file_hashes:
sample_file = list(file_hashes.keys())[0]
print(f" Sample: {sample_file[:40]}... -> {file_hashes[sample_file][:12]}...")
else:
print(f" [x] FAIL - {len(corrupted_files)} corrupted files detected")
for cf in corrupted_files[:3]:
print(f" - {cf}")
return passed
def level_4_tree_comparison(self):
"""Level 4: Complete tree hash comparison"""
print(" [Level 4] Complete Tree Hash Verification")
# Get local tree
local_tree, _, ret1 = self.run_git_command(['git', 'rev-parse', 'HEAD^{tree}'])
# Fetch latest from remote
_, _, ret2 = self.run_git_command(['git', 'fetch', 'origin', '--quiet'])
# Get remote tree
remote_tree, _, ret3 = self.run_git_command(['git', 'rev-parse', 'origin/HEAD^{tree}'])
if ret1 != 0 or ret3 != 0:
self.results['levels']['level_4'] = {
'status': 'ERROR',
'message': 'Failed to retrieve tree hashes'
}
print(" [x] ERROR: Failed to retrieve tree information")
return False
tree_match = local_tree == remote_tree
self.results['levels']['level_4'] = {
'status': 'PASS' if tree_match else 'FAIL',
'local_tree': local_tree,
'remote_tree': remote_tree,
'tree_match': tree_match
}
if tree_match:
print(" [✓] PASS - Tree hashes match")
print(f" Tree: {local_tree[:12]}...")
else:
print(" [x] FAIL - Tree hash mismatch")
print(f" Local: {local_tree[:12]}...")
print(f" Remote: {remote_tree[:12]}...")
return tree_match
def verify(self, levels=[1, 2, 3, 4]):
"""Run verification for specified levels"""
print(f"[VERIFYING] {self.repo_name}")
print("=" * 60)
level_functions = {
1: self.level_1_commit_and_tree_hash,
2: self.level_2_git_fsck,
3: self.level_3_file_hashing,
4: self.level_4_tree_comparison
}
results = {}
for level in sorted(levels):
if level in level_functions:
results[level] = level_functions[level]()
else:
print(f" [!] Warning: Level {level} not recognized")
# Overall status
all_passed = all(results.values())
self.results['overall_status'] = 'PASS' if all_passed else 'FAIL'
status_symbol = "[✓]" if all_passed else "[x]"
print(f" {status_symbol} Overall: {'PASS' if all_passed else 'FAIL'}")
return self.results
def run_phase2():
"""Execute Phase 2: Integrity Audit"""
print("Starting Integrity Verification Process")
print("=" * 60)
# Configuration
VERIFICATION_LEVELS = [1, 2, 3, 4]
repositories_path = Path('/app/repositories')
if not repositories_path.exists():
print("Error: repositories folder not found!")
return False
repos = [d for d in repositories_path.iterdir() if d.is_dir() and not d.name.startswith('.')]
print(f"Found {len(repos)} repositories to verify")
all_results = []
verification_start = datetime.now()
for i, repo_path in enumerate(sorted(repos), 1):
print(f"[{i}/{len(repos)}]")
verifier = IntegrityVerifier(repo_path)
result = verifier.verify(levels=VERIFICATION_LEVELS)
all_results.append(result)
verification_end = datetime.now()
duration = (verification_end - verification_start).total_seconds()
# Summary Statistics
print("\n" + "=" * 60)
print("VERIFICATION SUMMARY")
print("=" * 60)
passed = sum(1 for r in all_results if r['overall_status'] == 'PASS')
failed = len(all_results) - passed
print(f"Total Repositories: {len(all_results)}")
print(f"Passed: {passed}")
print(f"Failed: {failed}")
print(f"Duration: {duration:.2f} seconds")
# Level-by-level summary
print("Level-by-Level Results:")
for level in VERIFICATION_LEVELS:
level_passed = sum(1 for r in all_results
if f'level_{level}' in r['levels']
and r['levels'][f'level_{level}']['status'] == 'PASS')
level_total = sum(1 for r in all_results if f'level_{level}' in r['levels'])
print(f" Level {level}: {level_passed}/{level_total} passed")
# Failed repositories detail
if failed > 0:
print("Failed Repositories:")
for result in all_results:
if result['overall_status'] == 'FAIL':
print(f" [x] {result['repo']}")
for level_key, level_data in result['levels'].items():
if level_data['status'] != 'PASS':
level_num = level_key.replace('level_', '')
print(f" - Level {level_num}: {level_data['status']}")
if 'message' in level_data:
print(f" {level_data['message']}")
print("=" * 60)
print("Integrity verification complete!")
print("=" * 60)
# Store results for export
integrity_results = {
'verification_date': verification_start.isoformat(),
'duration_seconds': duration,
'levels_checked': VERIFICATION_LEVELS,
'summary': {
'total': len(all_results),
'passed': passed,
'failed': failed
},
'repositories': all_results
}
# Export report
report_path = '/app/output/integrity_report.json'
with open(report_path, 'w') as f:
json.dump(integrity_results, f, indent=2)
print(f"Detailed report exported to: {report_path}")
print(f"Report size: {Path(report_path).stat().st_size / 1024:.2f} KB")
return failed == 0 # Return True if all passed
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