Mercurial > p > roundup > code

annotate roundup/cgi/timestamp.py @ 6649:33616bc80baf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix hang in unsatisfyable range or HEAD request for static file Also update CHANGES with last three changes.
author John Rouillard <rouilj@ieee.org>
date Thu, 28 Apr 2022 19:21:08 -0400
parents 5ec3171580a6
children 07ce4e4110f5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1 '''Set of functions of adding/checking timestamp to be used to limit
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
2 form submission for cgi actions.
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
3 '''
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
4
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
5 import time, struct, binascii, base64
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
6 from roundup.cgi.exceptions import FormError
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
7 from roundup.i18n import _
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
8 from roundup.anypy.strings import b2s, s2b
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
9
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
10
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
11 def pack_timestamp():
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
12 return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
13
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
14
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
15 def unpack_timestamp(s):
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
16 try:
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
17 timestamp = struct.unpack("i", base64.b64decode(s2b(s)))[0]
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
18 except (struct.error, binascii.Error, TypeError):
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
19 raise FormError(_("Form is corrupted."))
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
20 return timestamp
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
21
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
22
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
23 class Timestamped:
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
24 def timecheck(self, field, delay):
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
25 try:
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
26 created = unpack_timestamp(self.form[field].value)
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
27 except KeyError:
6045
5ec3171580a6 flake whitespace changes.
John Rouillard <rouilj@ieee.org>
parents: 5975
diff changeset
28 raise FormError(_("Form is corrupted, missing: %s." % field))
5975
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
29 if time.time() - created < delay:
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
30 raise FormError(_("Responding to form too quickly."))
59842a3e8108 issue2550919 - Anti-bot signup using 4 second delay
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
31 return True
Roundup Issue Tracker: http://roundup-tracker.org/