Mercurial > p > roundup > code
annotate website/issues/extensions/timestamp.py @ 5257:928512faf565
- issue2550864: Potential information leakage via journal/history
Original code didn't fully implement the security checks.
Users with only Edit access on a property were not able to view the
journal entry for the property. This patch fixes that.
Also had additional info leakage: the target object of a link or
multilink must be viewable or editable in order for the journal entry
to be shown. Otherwise the existance of the target is exposed via the
journal while it is blocked from searches, direct access etc.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Sun, 27 Aug 2017 00:19:48 -0400 |
| parents | c2d0d3e9099d |
| children | 35ea9b1efc14 |
| rev | line source |
|---|---|
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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) |