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54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
import sqlite3
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import uuid
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from expiringdict import ExpiringDict
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DEFAULT_DB_PATH = "api_keys.db"
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class Database:
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def __init__(self, db_path = DEFAULT_DB_PATH, max_cache_len=1000, max_cache_age=30):
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self.db_path = db_path
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self.cache = ExpiringDict(max_len=max_cache_len, max_age_seconds=max_cache_age)
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# Make sure to do data synchronization on writes!
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self.c = sqlite3.connect(db_path, check_same_thread=False)
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self.c.execute('''CREATE TABLE IF NOT EXISTS api_keys (
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"api_key" TEXT NOT NULL,
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"req_limit" INTEGER NOT NULL,
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PRIMARY KEY("api_key")
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);''')
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def lookup(self, api_key):
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req_limit = self.cache.get(api_key)
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if req_limit is None:
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# DB Lookup
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stmt = self.c.execute('SELECT req_limit FROM api_keys WHERE api_key = ?', (api_key, ))
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row = stmt.fetchone()
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if row is not None:
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self.cache[api_key] = row[0]
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req_limit = row[0]
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else:
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self.cache[api_key] = False
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req_limit = False
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if isinstance(req_limit, bool):
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req_limit = None
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return req_limit
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def add(self, req_limit, api_key = "auto"):
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if api_key == "auto":
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api_key = str(uuid.uuid4())
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self.remove(api_key)
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self.c.execute("INSERT INTO api_keys (api_key, req_limit) VALUES (?, ?)", (api_key, req_limit))
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self.c.commit()
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return (api_key, req_limit)
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def remove(self, api_key):
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self.c.execute('DELETE FROM api_keys WHERE api_key = ?', (api_key, ))
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self.c.commit()
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return api_key
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def all(self):
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row = self.c.execute("SELECT api_key, req_limit FROM api_keys")
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return row.fetchall() |