jumpserver/apps/common/utils/http.py

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# -*- coding: utf-8 -*-
#
import calendar
import threading
import time
from email.utils import formatdate
from rest_framework.serializers import BooleanField
_STRPTIME_LOCK = threading.Lock()
_GMT_FORMAT = "%a, %d %b %Y %H:%M:%S GMT"
_ISO8601_FORMAT = "%Y-%m-%dT%H:%M:%S.000Z"
def to_unixtime(time_string, format_string):
time_string = time_string.decode("ascii")
with _STRPTIME_LOCK:
return int(calendar.timegm(time.strptime(time_string, format_string)))
def http_date(timeval=None):
"""返回符合HTTP标准的GMT时间字符串用strftime的格式表示就是"%a, %d %b %Y %H:%M:%S GMT"
但不能使用strftime因为strftime的结果是和locale相关的。
"""
return formatdate(timeval, usegmt=True)
def http_to_unixtime(time_string):
"""把HTTP Date格式的字符串转换为UNIX时间自1970年1月1日UTC零点的秒数
HTTP Date形如 `Sat, 05 Dec 2015 11:10:29 GMT` 。
"""
return to_unixtime(time_string, _GMT_FORMAT)
def iso8601_to_unixtime(time_string):
"""把ISO8601时间字符串形如2012-02-24T06:07:48.000Z转换为UNIX时间精确到秒。"""
return to_unixtime(time_string, _ISO8601_FORMAT)
def get_remote_addr(request):
return request.META.get("HTTP_X_FORWARDED_HOST") or request.META.get("REMOTE_ADDR")
def is_true(value):
return value in BooleanField.TRUE_VALUES
def is_false(value):
return value in BooleanField.FALSE_VALUES