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annotate roundup/cgi/timestamp.py @ 5995:b4b5b7afacd9

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issue2551007 - Selection fields are not translated Added a FIXME to a section of code that should mark a string as translatable, but I am not sure how to mark it that way.
author John Rouillard <rouilj@ieee.org>
date Tue, 24 Dec 2019 20:44:19 -0500
parents 59842a3e8108
children 5ec3171580a6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
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1 '''Set of functions of adding/checking timestamp to be used to limit
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
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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 def pack_timestamp():
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11 return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
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12
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13 def unpack_timestamp(s):
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14 try:
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15 timestamp = struct.unpack("i",base64.b64decode(s2b(s)))[0]
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16 except (struct.error, binascii.Error, TypeError) as e:
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17 raise FormError(_("Form is corrupted."))
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18 return timestamp
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19
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20 class Timestamped:
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21 def timecheck(self,field,delay):
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22 try:
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23 created = unpack_timestamp(self.form[field].value)
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24 except KeyError:
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25 raise FormError(_("Form is corrupted, missing: %s."%field))
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26 if time.time() - created < delay:
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27 raise FormError(_("Responding to form too quickly."))
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28 return True
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