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annotate roundup/cgi/timestamp.py @ 7836:219fc5804345

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issue2551270 - Better templating support for JavaScript Add (templating) utils.readfile(file, optional=False) and utils.expandfile(file, token_dict=None, optional=False). Allows reading an external file (e.g. JavaScript) and inserting it using tal:contents or equivalent jinja function. expandfile allows setting a dictionary and tokens in the file of the form "%(token_name)s" will be replaced in the file with the values from the dict. See method doc blocks or reference.txt for more info. Also reordered table in references.txt to be case sensitive alphabetic. Added a paragraph on using python's help() to get method/function/... documention blocks. in templating.py _find method. Added explicit return None calls to all code paths. Also added internationalization method to the TemplatingUtils class. Fixed use of 'property' hiding python builtin of same name. Added tests for new TemplatingUtils framework to use for testing existing utils.
author John Rouillard <rouilj@ieee.org>
date Tue, 26 Mar 2024 14:15:46 -0400
parents 216662fbaaee
children
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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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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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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
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