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112 lines
3.7 KiB
Python
112 lines
3.7 KiB
Python
# 此模块提供了维护api-key的各种功能
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import hashlib
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import logging
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import pkg.database.manager
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import pkg.qqbot.manager
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import pkg.utils.context
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import config
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class KeysManager:
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api_key = {}
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# api-key的使用量
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# 其中键为api-key的md5值，值为使用量
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fee = {}
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api_key_fee_threshold = 18.0
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using_key = ""
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alerted = []
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def get_using_key(self):
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return self.using_key
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def __init__(self, api_key):
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# if hasattr(config, 'api_key_usage_threshold'):
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# self.api_key_usage_threshold = config.api_key_usage_threshold
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if hasattr(config, 'api_key_fee_threshold'):
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self.api_key_fee_threshold = config.api_key_fee_threshold
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self.load_fee()
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if type(api_key) is dict:
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self.api_key = api_key
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elif type(api_key) is str:
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self.api_key = {
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"default": api_key
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}
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elif type(api_key) is list:
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for i in range(len(api_key)):
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self.api_key[str(i)] = api_key[i]
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self.auto_switch()
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# 从usage中删除未加载的api-key的记录
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# 不删了，也许会运行时添加曾经有记录的api-key
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# 根据使用量自动切换到可用的api-key
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# 返回是否切换成功, 切换后的api-key的别名
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def auto_switch(self) -> (bool, str):
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self.dump_fee()
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for key_name in self.api_key:
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if self.get_fee(self.api_key[key_name]) < self.api_key_fee_threshold:
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self.using_key = self.api_key[key_name]
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logging.info("使用api-key:" + key_name)
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return True, key_name
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self.using_key = list(self.api_key.values())[0]
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logging.info("使用api-key:" + list(self.api_key.keys())[0])
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return False, ""
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def add(self, key_name, key):
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self.api_key[key_name] = key
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# 设置当前使用的api-key使用量超限
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# 这是在尝试调用api时发生超限异常时调用的
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def set_current_exceeded(self):
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md5 = hashlib.md5(self.using_key.encode('utf-8')).hexdigest()
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# self.usage[md5] = self.api_key_usage_threshold
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self.fee[md5] = self.api_key_fee_threshold
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self.dump_fee()
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def get_fee(self, api_key):
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md5 = hashlib.md5(api_key.encode('utf-8')).hexdigest()
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if md5 not in self.fee:
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self.fee[md5] = 0
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return self.fee[md5]
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def report_fee(self, fee: float) -> bool:
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logging.debug("report fee:" + str(fee))
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md5 = hashlib.md5(self.using_key.encode('utf-8')).hexdigest()
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if md5 not in self.fee:
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self.fee[md5] = 0
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self.fee[md5] += fee
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if self.fee[md5] >= self.api_key_fee_threshold:
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switch_result, key_name = self.auto_switch()
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# 检查是否切换到新的
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if switch_result:
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if key_name not in self.alerted:
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# 通知管理员
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pkg.utils.context.get_qqbot_manager().notify_admin("api-key已切换到:" + key_name)
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self.alerted.append(key_name)
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return True
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else:
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if key_name not in self.alerted:
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# 通知管理员
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pkg.utils.context.get_qqbot_manager().notify_admin("api-key已用完，无未使用的api-key可供切换")
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self.alerted.append(key_name)
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return False
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def dump_fee(self):
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pkg.utils.context.get_database_manager().dump_api_key_fee(api_keys=self.api_key, fee=self.fee)
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def load_fee(self):
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self.fee = pkg.utils.context.get_database_manager().load_api_key_fee()
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logging.info("load fee:" + str(self.fee))
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