45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
import hashlib
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import random
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import uuid
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import time
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ValidUsername = set(map(lambda x:chr(x), range(48, 58, 1))) | set(map(lambda x:chr(x), range(65, 91, 1))) | set(map(lambda x:chr(x), range(97, 123, 1)))
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ValidPassword = set(map(lambda x:chr(x), range(33, 127, 1)))
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def IsValidUsername(strl):
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return (len(set(strl) - ValidUsername) == 0)
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def IsValidPassword(strl):
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return (len(set(strl) - ValidPassword) == 0)
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def ComputePasswordHash(password):
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s = hashlib.sha256()
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s.update(password.encode('utf-8'))
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return s.hexdigest()
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def GenerateUUID():
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return str(uuid.uuid1())
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def GenerateToken(username):
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s = hashlib.sha256()
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s.update(username.encode('utf-8'))
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s.update(GenerateUUID().encode('utf-8'))
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return s.hexdigest()
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def GenerateSalt():
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return random.randint(0, 6172748)
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def ComputePasswordHashWithSalt(passwordHashed, salt):
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s = hashlib.sha256()
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s.update((passwordHashed + str(salt)).encode('utf-8'))
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return s.hexdigest()
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def GetCurrentTimestamp():
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return int(time.time())
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def GetTokenExpireOn():
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return GetCurrentTimestamp() + 60 * 60 * 24 * 2 # add 2 day from now
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def Str2Bool(strl):
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return strl.lower() == 'true'
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