def main():
parser = argparse.ArgumentParser(description='Rebuild the redis cache.')
parser.add_argument(
'--rebuild_pickles',
default=False,
action='store_true',
help=
'Delete and rebuild the pickles. Count 20s/pickle, it can take a very long time.'
)
args = parser.parse_args()
lookyloo = Lookyloo()
if args.rebuild_pickles:
lookyloo.rebuild_all()
else:
lookyloo.rebuild_cache()
indexing = Indexing()
indexing.clear_indexes()
# This call will rebuild all the caches as needed.
lookyloo.sorted_capture_cache()
class BackgroundIndexer(AbstractManager):
def __init__(self, loglevel: int = logging.INFO):
super().__init__(loglevel)
self.lookyloo = Lookyloo()
self.script_name = 'background_indexer'
# make sure discarded captures dir exists
self.discarded_captures_dir = self.lookyloo.capture_dir.parent / 'discarded_captures'
self.discarded_captures_dir.mkdir(parents=True, exist_ok=True)
def _to_run_forever(self):
self._build_missing_pickles()
self._check_indexes()
def _build_missing_pickles(self):
for uuid_path in sorted(self.lookyloo.capture_dir.glob('**/uuid'),
reverse=True):
if (uuid_path.parent / 'tree.pickle').exists():
continue
lock_file = uuid_path.parent / 'lock'
if lock_file.exists():
try:
with lock_file.open('r') as f:
lock_ts = datetime.fromisoformat(f.read())
if lock_ts < datetime.now() - timedelta(minutes=5):
# Clear old locks. They shouldn't be there, but it's gonna happen.
self.logger.info(
f'Old lock found {lock_file}, removing it.')
lock_file.unlink(missing_ok=True)
except Exception as e:
self.logger.info(
f'Error while reading lock {lock_file}: {e}')
continue
with uuid_path.open() as f:
uuid = f.read()
if not self.lookyloo.redis.hexists('lookup_dirs', uuid):
# The capture with this UUID exists, but it is for some reason missing in lookup_dirs
self.lookyloo.redis.hset('lookup_dirs', uuid,
str(uuid_path.parent))
try:
self.logger.info(
f'Build pickle for {uuid}: {uuid_path.parent.name}')
self.lookyloo.get_crawled_tree(uuid)
self.lookyloo.trigger_modules(uuid, auto_trigger=True)
self.logger.info(f'Pickle for {uuid} build.')
except MissingUUID:
self.logger.warning(
f'Unable to find {uuid}. That should not happen.')
except NoValidHarFile:
self.logger.warning(
f'Unable to build pickle for {uuid}: {uuid_path.parent.name}'
)
# The capture is not working, moving it away.
self.lookyloo.redis.hdel('lookup_dirs', uuid)
uuid_path.parent.rename(self.discarded_captures_dir /
uuid_path.parent.name)
def _check_indexes(self):
index_redis = self.lookyloo.indexing.redis
for cache in self.lookyloo.sorted_capture_cache():
if self.lookyloo.is_public_instance and cache.no_index:
# Capture unindexed
continue
p = index_redis.pipeline()
p.sismember('indexed_urls', cache.uuid)
p.sismember('indexed_body_hashes', cache.uuid)
p.sismember('indexed_cookies', cache.uuid)
indexed = p.execute()
if all(indexed):
continue
try:
ct = self.lookyloo.get_crawled_tree(cache.uuid)
except NoValidHarFile:
self.logger.warning(f'Broken pickle for {cache.uuid}')
self.lookyloo.remove_pickle(cache.uuid)
continue
if not indexed[0]:
self.logger.info(f'Indexing urls for {cache.uuid}')
self.lookyloo.indexing.index_url_capture(ct)
if not indexed[1]:
self.logger.info(f'Indexing resources for {cache.uuid}')
self.lookyloo.indexing.index_body_hashes_capture(ct)
if not indexed[2]:
self.logger.info(f'Indexing cookies for {cache.uuid}')
self.lookyloo.indexing.index_cookies_capture(ct)
today = datetime.date.today()
calendar_week = today.isocalendar()[1]
weeks_stats: Dict[int, Dict[str, Union[int, Set[str]]]] = \
{calendar_week - 1: {'analysis': 0, 'analysis_with_redirects': 0, 'redirects': 0, 'uniq_urls': set()},
calendar_week: {'analysis': 0, 'analysis_with_redirects': 0, 'redirects': 0, 'uniq_urls': set()}}
def uniq_domains(uniq_urls):
domains = set()
for url in uniq_urls:
splitted = urlparse(url)
domains.add(splitted.hostname)
return domains
for cache in lookyloo.sorted_capture_cache():
date = cache.timestamp
if date.year not in stats:
stats[date.year] = {}
if date.month not in stats[date.year]:
stats[date.year][date.month] = {
'analysis': 0,
'analysis_with_redirects': 0,
'redirects': 0,
'uniq_urls': set()
}
stats[date.year][date.month]['analysis'] += 1
if len(cache.redirects) > 0:
stats[date.year][date.month]['analysis_with_redirects'] += 1
stats[date.year][date.month]['redirects'] += len(cache.redirects)
stats[date.year][date.month]['uniq_urls'].update(cache.redirects)