dify/api/core/tool/provider/base.py
John Wang 4fdb37771a
feat: universal chat in explore (#649)
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
2023-07-27 13:08:57 +08:00

64 lines
2.0 KiB
Python

import base64
from abc import ABC, abstractmethod
from typing import Optional
from extensions.ext_database import db
from libs import rsa
from models.account import Tenant
from models.tool import ToolProvider, ToolProviderName
class BaseToolProvider(ABC):
def __init__(self, tenant_id: str):
self.tenant_id = tenant_id
@abstractmethod
def get_provider_name(self) -> ToolProviderName:
raise NotImplementedError
@abstractmethod
def encrypt_credentials(self, credentials: dict) -> Optional[dict]:
raise NotImplementedError
@abstractmethod
def get_credentials(self, obfuscated: bool = False) -> Optional[dict]:
raise NotImplementedError
@abstractmethod
def credentials_to_func_kwargs(self) -> Optional[dict]:
raise NotImplementedError
@abstractmethod
def credentials_validate(self, credentials: dict):
raise NotImplementedError
def get_provider(self, must_enabled: bool = False) -> Optional[ToolProvider]:
"""
Returns the Provider instance for the given tenant_id and tool_name.
"""
query = db.session.query(ToolProvider).filter(
ToolProvider.tenant_id == self.tenant_id,
ToolProvider.tool_name == self.get_provider_name().value
)
if must_enabled:
query = query.filter(ToolProvider.is_enabled == True)
return query.first()
def encrypt_token(self, token) -> str:
tenant = db.session.query(Tenant).filter(Tenant.id == self.tenant_id).first()
encrypted_token = rsa.encrypt(token, tenant.encrypt_public_key)
return base64.b64encode(encrypted_token).decode()
def decrypt_token(self, token: str, obfuscated: bool = False) -> str:
token = rsa.decrypt(base64.b64decode(token), self.tenant_id)
if obfuscated:
return self._obfuscated_token(token)
return token
def _obfuscated_token(self, token: str) -> str:
return token[:6] + '*' * (len(token) - 8) + token[-2:]