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annotate roundup/cgi/timestamp.py @ 6277:957a0fc20021

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issue2551094 - markdown mismatch - new config for embedded newine Make earlier patch to fix mismatch between simplemde formatting of embedded newlines choosable. New option MARKDOWN_BREAK_ON_NEWLINE added to config.ini. If set to true all 4 renders: markdown, markdown2, mistune and simplemde will make a newline into a hard linebreak using <br> when displayed.
author John Rouillard <rouilj@ieee.org>
date Sun, 25 Oct 2020 16:12:15 -0400
parents 5ec3171580a6
children 07ce4e4110f5
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 time, struct, binascii, base64
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6 from roundup.cgi.exceptions import FormError
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7 from roundup.i18n import _
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8 from roundup.anypy.strings import b2s, s2b
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9
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10
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11 def pack_timestamp():
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12 return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
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13
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14
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15 def unpack_timestamp(s):
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16 try:
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17 timestamp = struct.unpack("i", base64.b64decode(s2b(s)))[0]
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18 except (struct.error, binascii.Error, TypeError):
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19 raise FormError(_("Form is corrupted."))
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20 return timestamp
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21
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22
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23 class Timestamped:
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24 def timecheck(self, field, delay):
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25 try:
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26 created = unpack_timestamp(self.form[field].value)
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27 except KeyError:
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28 raise FormError(_("Form is corrupted, missing: %s." % field))
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29 if time.time() - created < delay:
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30 raise FormError(_("Responding to form too quickly."))
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31 return True
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