new: [api] /lookup/sha256 api endpoint added

This commit is contained in:
Alexandre Dulaunoy 2021-11-19 07:26:50 +01:00
parent a78a99ec44
commit af5552ef75
Signed by: adulau
GPG key ID: 09E2CD4944E6CBCD

View file

@ -42,6 +42,14 @@ def check_sha1(value=None):
k = value.upper()
return k
def check_sha256(value=None):
if value is None or len(value) != 64:
return False
if not is_hex(value):
return False
k = value.upper()
return k
def client_info():
if request.environ.get('HTTP_X_FORWARDED_FOR') is None:
ip = request.environ['REMOTE_ADDR']
@ -190,6 +198,66 @@ class lookup(Resource):
h['children'] = children
return h
@api.route('/lookup/sha256/<string:sha256>')
@api.doc(description="Lookup SHA-256.")
class lookup(Resource):
def get(self, sha256):
if check_sha256(value=sha256) is False:
return {'message': 'SHA-256 value incorrect, expecting a SHA-256 value in hex format'}, 400
k = check_sha256(value=sha256)
ttl = False
if session:
ttl = get_session()
if not (rdb.exists("l:{}".format(k)) or rdb.exists("h:{}".format(k))):
if stats:
rdb.zincrby("s:nx:sha256", score, k)
if stats_pubsub:
pub_lookup(channel='nx', k=k)
if session and ttl is not False:
session_key = "session:{}:nx".format(request.headers.get('hashlookup_session'))
rdb.sadd(session_key, k)
rdb.expire(session_key, ttl)
return {'message': 'Non existing SHA-256', 'query': sha256}, 404
if stats:
rdb.zincrby("s:exist:sha256", score, k)
if stats_pubsub:
pub_lookup(channel='exist', k=k)
if session and ttl is not False:
session_key = "session:{}:exist".format(request.headers.get('hashlookup_session'))
rdb.sadd(session_key, k)
rdb.expire(session_key, ttl)
if rdb.exists("h:{}".format(k)) and not rdb.exists("l:{}".format(k)):
h = rdb.hgetall("h:{}".format(k))
sha1 = k
else:
sha1 = rdb.get("l:{}".format(k))
h = rdb.hgetall("h:{}".format(sha1))
if "OpSystemCode" in h:
if rdb.exists("h-OpSystemCode:{}".format(h['OpSystemCode'])):
h['OpSystemCode'] = rdb.hgetall("h-OpSystemCode:{}".format(h['OpSystemCode']))
if "ProductCode" in h:
if rdb.exists("h-ProductCode:{}".format(h['ProductCode'])):
h['ProductCode'] = rdb.hgetall("h-ProductCode:{}".format(h['ProductCode']))
if rdb.exists("p:{}".format(sha1)):
parents = []
card = rdb.scard("p:{}".format(sha1))
if card <= 15:
p = rdb.smembers("p:{}".format(sha1))
else:
p = rdb.srandmember("p:{}".format(sha1), number=10)
h['hashlookup:parent-total'] = card
for parent in p:
parent_details = rdb.hgetall("h:{}".format(parent))
parents.append(parent_details)
h['parents'] = parents
if rdb.exists("c:{}".format(sha1)):
children = []
for child in rdb.smembers("c:{}".format(sha1)):
children.append(child)
h['children'] = children
return h
@api.route('/info')
@api.doc(description="Info about the hashlookup database")
class info(Resource):