Пример #1
0
    def ping(self):
        s = self._health_check()

        if s is None or s['status'] == 'red':
            raise CIFException('ES Cluster Issue')

        return True
Пример #2
0
    def delete(self, token, data, id=None, flush=True):

        q_filters = {}
        for x in DELETE_FILTERS:
            if data.get(x):
                q_filters[x] = data[x]

        logger.debug(q_filters)

        if len(q_filters) == 0:
            return '0, must specify valid filter. valid filters: {}'.format(
                DELETE_FILTERS)

        try:
            rv = self.search(token, q_filters, sort='reporttime', raw=True)
            rv = rv['hits']['hits']
        except Exception as e:
            raise CIFException(e)

        logger.debug('delete match: {}'.format(rv))

        # docs matched
        if len(rv) > 0:
            actions = []
            for i in rv:
                actions.append({
                    '_op_type': 'delete',
                    '_index': i['_index'],
                    '_type': 'indicator',
                    '_id': i['_id']
                })

            try:
                helpers.bulk(self.handle, actions)
            except Exception as e:
                raise CIFException(e)

            if flush:
                self.flush()

            logger.info('{} deleted {} indicators'.format(
                token['username'], len(rv)))
            return len(rv)

        # no matches, return 0
        return 0
Пример #3
0
    def ping(self, token):
        s = self._health_check()

        if s is None or s['status'] == 'red':
            raise CIFException('ES Cluster Issue')

        if self.tokens.read(token) or self.tokens.write(token):
            return True
Пример #4
0
    def upsert(self, token, indicators, flush=False):
        if not UPSERT_MODE:
            return self.create_bulk(token, indicators, flush=flush)

        # Create current index if needed
        index = self._create_index()

        count = 0

        # http://stackoverflow.com/questions/30111258/elasticsearch-in-equivalent-operator-in-elasticsearch

        # aggregate indicators based on dedup criteria
        agg = {}
        for d in sorted(indicators, key=lambda k: k['lasttime'], reverse=True):
            key = []

            for v in UPSERT_MATCH:

                if d.get(v):
                    if isinstance(d[v], basestring):
                        key.append(d[v])
                    elif isinstance(d[v], float) or isinstance(d[v], int):
                        key.append(str(d[v]))
                    elif isinstance(d[v], list):
                        for k in d[v]:
                            key.append(k)

            key = "_".join(key)

            # already seen in batch
            if key in agg:
                # look for older first times
                if d.get('firsttime') < agg[key].get('firsttime'):
                    agg[key]['firsttime'] = d['firsttime']
                    if d.get('count'):
                        agg[key]['count'] = agg[key].get('count') + d.get(
                            'count')

            # haven't yet seen in batch
            else:
                agg[key] = d

        actions = []

        #self.lockm.lock_aquire()
        for d in agg:
            d = agg[d]

            filters = {'limit': 1}
            for x in UPSERT_MATCH:
                if d.get(x):
                    if x == 'confidence':
                        filters[x] = '{},{}'.format(d[x], d[x])
                    else:
                        filters[x] = d[x]

            if d.get('tags'):
                filters['tags'] = d['tags']

            if d.get('rdata'):
                filters['rdata'] = d['rdata']

            # search for existing, return latest record
            try:
                # search the current index only
                rv = self.search(token,
                                 filters,
                                 sort='reporttime',
                                 raw=True,
                                 sindex=index)
            except Exception as e:
                logger.error(e)
                raise e

            try:
                rv = rv['hits']['hits']
            except Exception as e:
                raise CIFException(e)

            # Indicator does not exist in results
            if len(rv) == 0:
                if not d.get('count'):
                    d['count'] = 1

                if d.get('group') and type(d['group']) != list:
                    d['group'] = [d['group']]

                expand_ip_idx(d)

                # append create to create set
                if UPSERT_TRACE:
                    logger.debug('upsert: creating new {}'.format(
                        d['indicator']))
                actions.append({
                    '_index': index,
                    '_type': 'indicator',
                    '_source': d,
                })

                count += 1
                continue

            # Indicator exists in results
            else:
                if UPSERT_TRACE:
                    logger.debug('upsert: match indicator {}'.format(
                        rv[0]['_id']))

                # map result
                i = rv[0]

                # skip new indicators that don't have a more recent lasttime
                if not self._is_newer(d, i['_source']):
                    logger.debug('skipping...')
                    continue

                # map existing indicator
                i = i['_source']

                # we're working within the same index
                if rv[0]['_index'] == self._current_index():

                    # update fields
                    i['count'] += 1
                    i['lasttime'] = d['lasttime']
                    i['reporttime'] = d['reporttime']

                    # if existing indicator doesn't have message field but new indicator does, add new message to upsert
                    if d.get('message'):
                        if not i.get('message'):
                            i['message'] = []

                        i['message'].append(d['message'])

                    # always update description if it exists
                    if d.get('description'):
                        i['description'] = d['description']

                    # append update to create set
                    if UPSERT_TRACE:
                        logger.debug(
                            'upsert: updating same index {}, {}'.format(
                                d.get('indicator'), rv[0]['_id']))
                    actions.append({
                        '_op_type': 'update',
                        '_index': rv[0]['_index'],
                        '_type': 'indicator',
                        '_id': rv[0]['_id'],
                        '_body': {
                            'doc': i
                        }
                    })

                    count += 1
                    continue

                # if we aren't in the same index
                else:

                    # update fields
                    i['count'] = i['count'] + 1
                    i['lasttime'] = d['lasttime']
                    i['reporttime'] = d['reporttime']

                    # if existing indicator doesn't have message field but new indicator does, add new message to upsert
                    if d.get('message'):
                        if not i.get('message'):
                            i['message'] = []

                        i['message'].append(d['message'])

                    # always update description if exists
                    if d.get('description'):
                        i['description'] = d['description']

                    # append create to create set
                    if UPSERT_TRACE:
                        logger.debug('upsert: updating across index {}'.format(
                            d['indicator']))
                    actions.append({
                        '_index': index,
                        '_type': 'indicator',
                        '_source': i,
                    })

                    # delete the old document
                    if UPSERT_TRACE:
                        logger.debug(
                            'upsert: deleting old index {}, {}'.format(
                                d['indicator'], rv[0]['_id']))

                    actions.append({
                        '_op_type': 'delete',
                        '_index': rv[0]['_index'],
                        '_type': 'indicator',
                        '_id': rv[0]['_id']
                    })

                    count += 1
                    continue

        if len(actions) > 0:
            try:
                helpers.bulk(self.handle, actions)
            except Exception as e:
                #self.lockm.lock_release()
                raise e

        if flush:
            self.flush()

        #self.lockm.lock_release()
        return count