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https://github.com/BerriAI/litellm.git
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9b7ebb6a7d
* build(pyproject.toml): add new dev dependencies - for type checking * build: reformat files to fit black * ci: reformat to fit black * ci(test-litellm.yml): make tests run clear * build(pyproject.toml): add ruff * fix: fix ruff checks * build(mypy/): fix mypy linting errors * fix(hashicorp_secret_manager.py): fix passing cert for tls auth * build(mypy/): resolve all mypy errors * test: update test * fix: fix black formatting * build(pre-commit-config.yaml): use poetry run black * fix(proxy_server.py): fix linting error * fix: fix ruff safe representation error
102 lines
2.8 KiB
Python
102 lines
2.8 KiB
Python
import base64
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import os
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from typing import Optional
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from litellm._logging import verbose_proxy_logger
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def _get_salt_key():
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from litellm.proxy.proxy_server import master_key
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salt_key = os.getenv("LITELLM_SALT_KEY", None)
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if salt_key is None:
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verbose_proxy_logger.debug(
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"LITELLM_SALT_KEY is None using master_key to encrypt/decrypt secrets stored in DB"
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)
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salt_key = master_key
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return salt_key
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def encrypt_value_helper(value: str, new_encryption_key: Optional[str] = None):
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signing_key = new_encryption_key or _get_salt_key()
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try:
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if isinstance(value, str):
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encrypted_value = encrypt_value(value=value, signing_key=signing_key) # type: ignore
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encrypted_value = base64.b64encode(encrypted_value).decode("utf-8")
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return encrypted_value
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verbose_proxy_logger.debug(
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f"Invalid value type passed to encrypt_value: {type(value)} for Value: {value}\n Value must be a string"
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)
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# if it's not a string - do not encrypt it and return the value
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return value
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except Exception as e:
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raise e
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def decrypt_value_helper(value: str):
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signing_key = _get_salt_key()
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try:
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if isinstance(value, str):
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decoded_b64 = base64.b64decode(value)
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value = decrypt_value(value=decoded_b64, signing_key=signing_key) # type: ignore
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return value
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# if it's not str - do not decrypt it, return the value
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return value
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except Exception as e:
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import traceback
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traceback.print_stack()
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verbose_proxy_logger.error(
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f"Error decrypting value, Did your master_key/salt key change recently? \nError: {str(e)}\nSet permanent salt key - https://docs.litellm.ai/docs/proxy/prod#5-set-litellm-salt-key"
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)
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# [Non-Blocking Exception. - this should not block decrypting other values]
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pass
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def encrypt_value(value: str, signing_key: str):
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import hashlib
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import nacl.secret
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import nacl.utils
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# get 32 byte master key #
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hash_object = hashlib.sha256(signing_key.encode())
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hash_bytes = hash_object.digest()
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# initialize secret box #
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box = nacl.secret.SecretBox(hash_bytes)
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# encode message #
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value_bytes = value.encode("utf-8")
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encrypted = box.encrypt(value_bytes)
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return encrypted
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def decrypt_value(value: bytes, signing_key: str) -> str:
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import hashlib
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import nacl.secret
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import nacl.utils
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# get 32 byte master key #
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hash_object = hashlib.sha256(signing_key.encode())
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hash_bytes = hash_object.digest()
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# initialize secret box #
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box = nacl.secret.SecretBox(hash_bytes)
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# Convert the bytes object to a string
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plaintext = box.decrypt(value)
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plaintext = plaintext.decode("utf-8") # type: ignore
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return plaintext # type: ignore
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