271 lines
8.8 KiB
Python
271 lines
8.8 KiB
Python
from .sql import create_table_statements, create_view_statements
|
|
from .sql import table_triggers
|
|
from .tables import TException, TExecution, TAddress
|
|
from .tables import TKind, TDomain, TRecord, TMessage
|
|
from .ip_util import addr_to_int
|
|
|
|
|
|
class Execution:
|
|
def __init__(self, db):
|
|
self.db = db
|
|
self.execution = None
|
|
|
|
def __enter__(self):
|
|
from .util import right_now
|
|
self.execution = self.db.start_execution(right_now())
|
|
return self.execution
|
|
|
|
def __exit__(self, exc_type, exc_value, traceback):
|
|
from .util import right_now
|
|
completed = exc_type is None
|
|
self.db.finish_execution(self.execution, right_now(), completed)
|
|
|
|
|
|
def is_column(ref):
|
|
from storm.properties import PropertyColumn
|
|
from storm.references import Reference
|
|
return isinstance(ref, PropertyColumn) or isinstance(ref, Reference)
|
|
|
|
|
|
def apply_properties(obj, d):
|
|
for k, v in d.items():
|
|
ref = getattr(obj.__class__, k)
|
|
assert ref is not None, (type(obj), k)
|
|
assert is_column(ref), (type(obj), k)
|
|
setattr(obj, k, v)
|
|
return obj
|
|
|
|
|
|
class RespoDB:
|
|
def __init__(self, uri, setup=False, create=False):
|
|
from storm.database import create_database
|
|
|
|
self.uri = uri
|
|
db_exists = self._db_exists(self.uri)
|
|
self.db = create_database(self.uri)
|
|
self._conn = None
|
|
|
|
if setup or (create and not db_exists):
|
|
with self:
|
|
self.setup_executions()
|
|
self.setup_exceptions()
|
|
self.setup_ips()
|
|
self.setup_kinds()
|
|
self.setup_domains()
|
|
self.setup_records()
|
|
self.setup_messages()
|
|
|
|
for q in create_view_statements:
|
|
self._fire(q)
|
|
assert setup or create or db_exists, "database was never setup"
|
|
|
|
self.execution = Execution(self)
|
|
|
|
@staticmethod
|
|
def _db_exists(uri):
|
|
from os.path import exists
|
|
_, _, fp = uri.partition(":")
|
|
if fp.startswith("//"):
|
|
_, _, fp = fp[2:].partition("/")
|
|
return fp and exists(fp)
|
|
|
|
def __enter__(self):
|
|
from storm.store import Store
|
|
self._conn = Store(self.db)
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_value, traceback):
|
|
self.commit()
|
|
self._conn.close()
|
|
self._conn = None
|
|
|
|
def find_one(self, cls_spec, *args, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.find(cls_spec, *args, **kwargs).one()
|
|
|
|
def flush(self):
|
|
assert self._conn is not None
|
|
self._conn.flush()
|
|
|
|
def commit(self):
|
|
assert self._conn is not None
|
|
self._conn.commit()
|
|
|
|
def new_exception(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TException(), kwargs))
|
|
|
|
def new_kind(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TKind(), kwargs))
|
|
|
|
def new_domain(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TDomain(), kwargs))
|
|
|
|
def new_address(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TAddress(), kwargs))
|
|
|
|
def new_record(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TRecord(), kwargs))
|
|
|
|
def new_message(self, **kwargs):
|
|
assert self._conn is not None
|
|
return self._conn.add(apply_properties(TMessage(), kwargs))
|
|
|
|
def _fire(self, statement):
|
|
assert self._conn is not None
|
|
self._conn.execute(statement, noresult=True)
|
|
|
|
def setup_executions(self):
|
|
self._fire(create_table_statements["executions"])
|
|
|
|
def setup_exceptions(self):
|
|
# careful not to call them "errors" since NXDOMAIN is not an error.
|
|
self._fire(create_table_statements["exceptions"])
|
|
|
|
# TODO: upsert?
|
|
|
|
self.new_exception(name="NXDOMAIN", fail=False)
|
|
self.new_exception(name="NoAnswer", fail=True)
|
|
self.new_exception(name="NoNameservers", fail=True)
|
|
self.new_exception(name="Timeout", fail=True)
|
|
|
|
def setup_ips(self):
|
|
self._fire(create_table_statements["ips"])
|
|
|
|
self.modify_address("0.0.0.0", block_target=True)
|
|
self.modify_address("127.0.0.1", block_target=True)
|
|
|
|
def setup_kinds(self):
|
|
self._fire(create_table_statements["kinds"])
|
|
|
|
def setup_domains(self):
|
|
self._fire(create_table_statements["domains"])
|
|
|
|
def setup_records(self):
|
|
self._fire(create_table_statements["records"])
|
|
|
|
def setup_messages(self):
|
|
self._fire(create_table_statements["messages"])
|
|
for trig in table_triggers["messages"]:
|
|
self._conn.execute(trig)
|
|
|
|
def start_execution(self, dt):
|
|
execution = TExecution()
|
|
execution.start_date = dt
|
|
self.flush()
|
|
return execution
|
|
|
|
def finish_execution(self, execution, dt, completed):
|
|
# TODO: fail if ExecutionId is missing?
|
|
execution.finish_date = dt
|
|
execution.completed = completed
|
|
self.flush()
|
|
|
|
def next_record_id(self):
|
|
from storm.expr import Add, Max, Coalesce
|
|
expr = Add(Coalesce(Max(TRecord.record_id), 0), 1)
|
|
return self.find_one(expr)
|
|
|
|
def find_record_id(self, addresses):
|
|
address_ids = list(address.address_id for address in addresses)
|
|
temp = self._conn.find(TRecord, TRecord.address_id.is_in(address_ids))
|
|
record_ids = list(temp.values(TRecord.record_id))
|
|
if not record_ids:
|
|
return None
|
|
unique_ids = sorted(set(record_ids))
|
|
for needle in unique_ids:
|
|
if sum(1 for id in record_ids if id == needle) == len(addresses):
|
|
found = True
|
|
return needle
|
|
return None
|
|
|
|
def push_entry(self, entry):
|
|
kind = self.find_one(TKind, TKind.name == entry.kind)
|
|
if not kind:
|
|
kind = self.new_kind(name=entry.kind)
|
|
if entry.kind.startswith("bad"):
|
|
exception = self.find_one(TException,
|
|
TException.name == "NXDOMAIN")
|
|
assert exception is not None
|
|
kind.exception = exception
|
|
|
|
domain = self.find_one(TDomain, TDomain.name == entry.domain)
|
|
if not domain:
|
|
domain = self.new_domain(name=entry.domain)
|
|
domain.kind = kind
|
|
|
|
addresses = []
|
|
as_ints = sorted(set(map(addr_to_int, entry.addrs)))
|
|
for numeric in as_ints:
|
|
address = self.find_one(TAddress, TAddress.ip == numeric)
|
|
if not address:
|
|
address = self.new_address(ip=numeric)
|
|
addresses.append(address)
|
|
|
|
for address in addresses:
|
|
if entry.reason == "block":
|
|
address.block_target = True
|
|
elif entry.reason == "redirect":
|
|
address.redirect_target = True
|
|
elif entry.reason == "gfw":
|
|
address.gfw_target = True
|
|
|
|
if addresses:
|
|
record_id = self.find_record_id(addresses)
|
|
if record_id is None:
|
|
record_id = self.next_record_id()
|
|
for address in addresses:
|
|
self.new_record(record_id=record_id, address=address)
|
|
else:
|
|
record_id = None
|
|
|
|
numeric = addr_to_int(entry.server)
|
|
server = self.find_one(TAddress, TAddress.ip == numeric)
|
|
if not server:
|
|
server = self.new_address(ip=numeric)
|
|
self.flush()
|
|
server.server = True
|
|
|
|
if entry.exception:
|
|
exception = self.find_one(TException,
|
|
TException.name == entry.exception)
|
|
assert exception is not None
|
|
else:
|
|
exception = None
|
|
|
|
failed = not entry.success
|
|
|
|
message = self.new_message(
|
|
execution=entry.execution,
|
|
server=server, domain=domain,
|
|
record_id=record_id, exception=exception,
|
|
failed=failed)
|
|
self.flush()
|
|
|
|
def country_code(self, ip, code=None):
|
|
numeric = addr_to_int(ip)
|
|
address = self.find_one(TAddress, TAddress.ip == numeric)
|
|
if code is None:
|
|
if address is not None:
|
|
return address.country_code
|
|
else:
|
|
# NOTE: can't set code to null here since None was ruled out.
|
|
if address is None:
|
|
self.new_address(ip=numeric, country_code=code)
|
|
else:
|
|
address.country_code = code
|
|
self.flush()
|
|
return None
|
|
|
|
def modify_address(self, ip, **kwargs):
|
|
numeric = addr_to_int(ip)
|
|
address = self.find_one(TAddress, TAddress.ip == numeric)
|
|
if address is None:
|
|
self.new_address(ip=numeric, **kwargs)
|
|
else:
|
|
apply_properties(address, kwargs)
|
|
self.flush()
|