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annotate website/issues/extensions/timestamp.py @ 5282:b051559eaae8

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Apply upgrading.txt "Improve query editing" upgrade 1.5.1 to 1.6.0. Allows user to continue edit search query if there is an error in query. Otherwise search is lost if it is invalid (e.g. duplicate search name).
author John Rouillard <rouilj@ieee.org>
date Sun, 24 Sep 2017 19:01:56 -0400
parents c2d0d3e9099d
children 35ea9b1efc14
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4024
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1 import time, struct, base64
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2 from roundup.cgi.actions import RegisterAction
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3 from roundup.cgi.exceptions import *
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4
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5 def timestamp():
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6 return base64.encodestring(struct.pack("i", time.time())).strip()
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7
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8 def unpack_timestamp(s):
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9 return struct.unpack("i",base64.decodestring(s))[0]
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10
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11 class Timestamped:
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12 def check(self):
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13 try:
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14 created = unpack_timestamp(self.form['opaque'].value)
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15 except KeyError:
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16 raise FormError, "somebody tampered with the form"
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17 if time.time() - created < 4:
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18 raise FormError, "responding to the form too quickly"
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19 return True
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20
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21 class TimestampedRegister(Timestamped, RegisterAction):
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22 def permission(self):
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23 self.check()
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24 RegisterAction.permission(self)
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25
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26 def init(instance):
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27 instance.registerUtil('timestamp', timestamp)
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28 instance.registerAction('register', TimestampedRegister)
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