validation.py
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import json, random
class Validation:
FILE = "tokens.json"
LENGTH = 128
STRING = "\
1234567890\
qwertyuiopasdfghjklzxcvbnm\
QWERTYUIOPASDFGHJKLZXCVBNM\
"
def __init__(self):
with open(self.FILE, "+r") as f:
self.data = f.read()
try:
self.data = set(json.loads(self.data))
except (ValueError, json.decoder.JSONDecodeError):
print ("malformed or empty JSON file, defaulting to empty dictionary...")
self.data = set()
def make_token(self):
s = ""
i = 0
while i < self.LENGTH:
s += self.STRING[random.randrange(0,len(self.STRING))]
i += 1
self.data.add(s)
return s
def check_token(self,token):
return token in self.data
def __del__(self):
with open(self.FILE, "+w") as f:
f.write(json.dumps(list(self.data)))