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jumpserver/apps/audits/backends/db.py

86 lines
2.8 KiB

# ~*~ coding: utf-8 ~*~
from django.utils.translation import ugettext_lazy as _
from audits.models import OperateLog
class OperateLogStore(object):
# 用不可见字符分割前后数据,节省存储-> diff: {'key': 'before\0after'}
SEP = '\0'
def __init__(self, config):
self.model = OperateLog
self.max_length = 2048
self.max_length_tip_msg = _(
'The text content is too long. Use Elasticsearch to store operation logs'
)
@staticmethod
def ping(timeout=None):
return True
@classmethod
def convert_before_after_to_diff(cls, before, after):
if not isinstance(before, dict):
before = dict()
if not isinstance(after, dict):
after = dict()
diff = dict()
keys = set(before.keys()) | set(after.keys())
for k in keys:
before_value = before.get(k, '')
after_value = after.get(k, '')
diff[k] = '%s%s%s' % (before_value, cls.SEP, after_value)
return diff
@classmethod
def convert_diff_to_before_after(cls, diff):
before, after = dict(), dict()
if not diff:
return before, after
for k, v in diff.items():
before_value, after_value = v.split(cls.SEP, 1)
before[k], after[k] = before_value, after_value
return before, after
@classmethod
def convert_diff_friendly(cls, raw_diff):
diff_list = list()
for k, v in raw_diff.items():
before, after = v.split(cls.SEP, 1)
diff_list.append({
'field': k,
'before': before if before else _('empty'),
'after': after if after else _('empty'),
})
return diff_list
def save(self, **kwargs):
log_id = kwargs.get('id', '')
before = kwargs.pop('before') or {}
after = kwargs.pop('after') or {}
op_log = self.model.objects.filter(pk=log_id).first()
if op_log is not None:
op_log_diff = op_log.diff or {}
op_before, op_after = self.convert_diff_to_before_after(op_log_diff)
before.update(op_before)
after.update(op_after)
else:
# 限制长度 128 OperateLog.resource.field.max_length, 避免存储失败
max_length = 128
resource = kwargs.get('resource', '')
if resource and isinstance(resource, str):
kwargs['resource'] = resource[:max_length]
op_log = self.model(**kwargs)
diff = self.convert_before_after_to_diff(before, after)
if len(str(diff)) > self.max_length:
limit = {str(_('Tips')): self.max_length_tip_msg}
diff = self.convert_before_after_to_diff(limit, limit)
op_log.diff = diff
op_log.save()