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Improving jinja2 security by using SandboxedEnvironment (#1632)

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http://jinja.pocoo.org/docs/dev/sandbox/#sandbox
This commit is contained in:
Maxime Beauchemin 2016-11-18 17:14:30 -08:00 committed by GitHub
parent 1624e7de7d
commit 5ae98bc7c9
1 changed files with 3 additions and 2 deletions
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5
superset/jinja_context.py
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@ -5,7 +5,7 @@ from __future__ import print_function
from __future__ import unicode_literals
import inspect
import jinja2
from jinja2.sandbox import SandboxedEnvironment
from datetime import datetime, timedelta
from dateutil.relativedelta import relativedelta
@ -58,6 +58,7 @@ class BaseTemplateProcessor(object):
self.context.update(BASE_CONTEXT)
if self.engine:
self.context[self.engine] = self
self.env = SandboxedEnvironment()
def process_template(self, sql):
"""Processes a sql template
@ -66,7 +67,7 @@ class BaseTemplateProcessor(object):
>>> process_template(sql)
"SELECT '2017-01-01T00:00:00'"
"""
template = jinja2.Template(sql)
template = self.env.from_string(sql)
return template.render(self.context)