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annotate roundup/cgi/timestamp.py @ 8064:d6b447de4f59

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docs: set up for release documentation. Make changes to publish security.html with CVE announcements referring to the sections in upgrading.html rather than CVE.html. Remove templates.zip as part of html build in Makefile. Also update doc for using CVE.html.
author John Rouillard <rouilj@ieee.org>
date Tue, 09 Jul 2024 09:34:13 -0400
parents 216662fbaaee
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 '''Set of functions of adding/checking timestamp to be used to limit
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2 form submission for cgi actions.
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3 '''
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4
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5 import base64
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6 import binascii
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7 import struct
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8 import time
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9
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10 from roundup.cgi.exceptions import FormError
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11 from roundup.i18n import _
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12 from roundup.anypy.strings import b2s, s2b
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15 def pack_timestamp():
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16 return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
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17
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18
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19 def unpack_timestamp(s):
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20 try:
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21 timestamp = struct.unpack("i", base64.b64decode(s2b(s)))[0]
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22 except (struct.error, binascii.Error, TypeError):
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23 raise FormError(_("Form is corrupted."))
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24 return timestamp
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25
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26
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27 class Timestamped:
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28 def timecheck(self, field, delay):
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29 try:
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30 created = unpack_timestamp(self.form[field].value)
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31 except KeyError:
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32 raise FormError(_("Form is corrupted, missing: %s.") % field)
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33 if time.time() - created < delay:
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34 raise FormError(_("Responding to form too quickly."))
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35 return True
Roundup Issue Tracker: http://roundup-tracker.org/