mirror of
https://github.com/ail-project/ail-framework.git
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232 lines
8.5 KiB
Python
Executable file
232 lines
8.5 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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import os
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import sys
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from uuid import uuid4
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from lib.ConfigLoader import ConfigLoader
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config_loader = ConfigLoader()
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r_meta = config_loader.get_db_conn("Kvrocks_Timeline")
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config_loader = None
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# CORRELATION_TYPES_BY_OBJ = {
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# "chat": ["item", "username"], # item ???
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# "cookie-name": ["domain"],
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# "cryptocurrency": ["domain", "item"],
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# "cve": ["domain", "item"],
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# "decoded": ["domain", "item"],
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# "domain": ["cve", "cookie-name", "cryptocurrency", "decoded", "etag", "favicon", "hhhash", "item", "pgp", "title", "screenshot", "username"],
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# "etag": ["domain"],
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# "favicon": ["domain", "item"],
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# "hhhash": ["domain"],
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# "item": ["chat", "cve", "cryptocurrency", "decoded", "domain", "favicon", "pgp", "screenshot", "title", "username"],
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# "pgp": ["domain", "item"],
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# "screenshot": ["domain", "item"],
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# "title": ["domain", "item"],
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# "username": ["chat", "domain", "item"],
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# }
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#
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# def get_obj_correl_types(obj_type):
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# return CORRELATION_TYPES_BY_OBJ.get(obj_type)
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# def sanityze_obj_correl_types(obj_type, correl_types):
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# obj_correl_types = get_obj_correl_types(obj_type)
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# if correl_types:
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# correl_types = set(correl_types).intersection(obj_correl_types)
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# if not correl_types:
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# correl_types = obj_correl_types
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# if not correl_types:
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# return []
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# return correl_types
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class Timeline:
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def __init__(self, global_id, name):
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self.id = global_id
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self.name = name
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def _get_block_obj_global_id(self, block):
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return r_meta.hget(f'block:{self.id}:{self.name}', block)
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def _set_block_obj_global_id(self, block, global_id):
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return r_meta.hset(f'block:{self.id}:{self.name}', block, global_id)
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def _get_block_timestamp(self, block, position):
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return r_meta.zscore(f'line:{self.id}:{self.name}', f'{position}:{block}')
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def _get_nearest_bloc_inf(self, timestamp):
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inf = r_meta.zrevrangebyscore(f'line:{self.id}:{self.name}', float(timestamp), 0, start=0, num=1, withscores=True)
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if inf:
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inf, score = inf[0]
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if inf.startswith('end'):
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inf_key = f'start:{inf[4:]}'
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inf_score = r_meta.zscore(f'line:{self.id}:{self.name}', inf_key)
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if inf_score == score:
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inf = inf_key
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return inf
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else:
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return None
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def _get_nearest_bloc_sup(self, timestamp):
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sup = r_meta.zrangebyscore(f'line:{self.id}:{self.name}', float(timestamp), '+inf', start=0, num=1, withscores=True)
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if sup:
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sup, score = sup[0]
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if sup.startswith('start'):
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sup_key = f'end:{sup[6:]}'
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sup_score = r_meta.zscore(f'line:{self.id}:{self.name}', sup_key)
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if score == sup_score:
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sup = sup_key
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return sup
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else:
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return None
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def get_first_obj_id(self):
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first = r_meta.zrange(f'line:{self.id}:{self.name}', 0, 0)
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if first: # start:block
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first = first[0]
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if first.startswith('start:'):
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first = first[6:]
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else:
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first = first[4:]
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return self._get_block_obj_global_id(first)
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def get_last_obj_id(self):
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last = r_meta.zrevrange(f'line:{self.id}:{self.name}', 0, 0)
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if last: # end:block
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last = last[0]
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if last.startswith('end:'):
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last = last[4:]
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else:
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last = last[6:]
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return self._get_block_obj_global_id(last)
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def get_objs_ids(self):
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objs = set()
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for block in r_meta.zrange(f'line:{self.id}:{self.name}', 0, -1):
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if block:
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if block.startswith('start:'):
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print(self._get_block_obj_global_id(block[6:]))
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objs.add(self._get_block_obj_global_id(block[6:]))
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return objs
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def get_objs(self):
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objs = []
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blocks = r_meta.zrange(f'line:{self.id}:{self.name}', 0, -1, withscores=True)
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for i in range(0, len(blocks), 2):
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block1, score1 = blocks[i]
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block2, score2 =blocks[i + 1]
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score1 = int(score1)
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score2 = int(score2)
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if block1.startswith('start:'):
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start = score1
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end = score2
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obj = self._get_block_obj_global_id(block1[6:])
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else:
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start = score2
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end = score1
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obj = self._get_block_obj_global_id(block2[6:])
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objs.append({'obj': obj, 'start': start, 'end': end})
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return objs
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# def get_objs_ids(self):
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# objs = {}
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# last_obj_id = None
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# for block, timestamp in r_meta.zrange(f'line:{self.id}:{self.name}', 0, -1, withscores=True):
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# if block:
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# if block.startswith('start:'):
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# last_obj_id = self._get_block_obj_global_id(block[6:])
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# objs[last_obj_id] = {'first_seen': timestamp}
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# else:
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# objs[last_obj_id]['last_seen'] = timestamp
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# return objs
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def _update_bloc(self, block, position, timestamp):
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r_meta.zadd(f'line:{self.id}:{self.name}', {f'{position}:{block}': timestamp})
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def _add_bloc(self, obj_global_id, timestamp, end=None):
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if end:
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timestamp_end = end
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else:
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timestamp_end = timestamp
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new_bloc = str(uuid4())
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r_meta.zadd(f'line:{self.id}:{self.name}', {f'start:{new_bloc}': timestamp, f'end:{new_bloc}': timestamp_end})
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self._set_block_obj_global_id(new_bloc, obj_global_id)
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return new_bloc
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def add_timestamp(self, timestamp, obj_global_id):
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inf = self._get_nearest_bloc_inf(timestamp)
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sup = self._get_nearest_bloc_sup(timestamp)
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if not inf and not sup:
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# create new bloc
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new_bloc = self._add_bloc(obj_global_id, timestamp)
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return new_bloc
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# timestamp < first_seen
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elif not inf:
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sup_pos, sup_id = sup.split(':')
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sup_obj = self._get_block_obj_global_id(sup_id)
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if sup_obj == obj_global_id:
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self._update_bloc(sup_id, 'start', timestamp)
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# create new bloc
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else:
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new_bloc = self._add_bloc(obj_global_id, timestamp)
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return new_bloc
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# timestamp > first_seen
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elif not sup:
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inf_pos, inf_id = inf.split(':')
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inf_obj = self._get_block_obj_global_id(inf_id)
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if inf_obj == obj_global_id:
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self._update_bloc(inf_id, 'end', timestamp)
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# create new bloc
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else:
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new_bloc = self._add_bloc(obj_global_id, timestamp)
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return new_bloc
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else:
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inf_pos, inf_id = inf.split(':')
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sup_pos, sup_id = sup.split(':')
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inf_obj = self._get_block_obj_global_id(inf_id)
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if inf_id == sup_id:
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# reduce bloc + create two new bloc
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if obj_global_id != inf_obj:
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# get end timestamp
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sup_timestamp = self._get_block_timestamp(sup_id, 'end')
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# reduce original bloc
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self._update_bloc(inf_id, 'end', timestamp - 1)
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# Insert new bloc
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new_bloc = self._add_bloc(obj_global_id, timestamp)
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# Recreate end of the first bloc by a new bloc
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self._add_bloc(inf_obj, timestamp + 1, end=sup_timestamp)
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return new_bloc
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# timestamp in existing bloc
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else:
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return inf_id
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# different blocs: expend sup/inf bloc or create a new bloc if
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elif inf_pos == 'end' and sup_pos == 'start':
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# Extend inf bloc
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if obj_global_id == inf_obj:
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self._update_bloc(inf_id, 'end', timestamp)
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return inf_id
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sup_obj = self._get_block_obj_global_id(sup_id)
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# Extend sup bloc
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if obj_global_id == sup_obj:
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self._update_bloc(sup_id, 'start', timestamp)
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return sup_id
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# create new bloc
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new_bloc = self._add_bloc(obj_global_id, timestamp)
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return new_bloc
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# inf_pos == 'start' and sup_pos == 'end'
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# else raise error ???
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