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web/lib/validation.py: fix base64 validations according to zzz's explanation

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Hidden Z 2010-10-16 19:03:54 +00:00
parent f6f2d25426
commit f3a79838e6
1 changed files with 4 additions and 1 deletions
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web/lib/validation.py
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@ -47,8 +47,11 @@ def validate_b64hash(data, check_uniq=True):
# Minimum key length 516 bytes
if len(data) < 516:
raise forms.ValidationError('Specified base64 hash are less than 516 bytes')
# keys with cert may ends with anything, so check is relaxed
if len(data) > 516 and re.match(r'[a-zA-Z0-9\-~]+$', data) == None:
raise forms.ValidationError('Invalid characters in base64 hash')
# base64-i2p
if re.match(r'[a-zA-Z0-9\-~]+AAAA$', data) == None:
if len(data) == 516 and re.match(r'[a-zA-Z0-9\-~]+AA$', data) == None:
raise forms.ValidationError('Invalid base64 hash')
if check_uniq == True:
# Avoid adding non-unique hashes