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import json
from pathlib import Path
from typing import Optional, Union
from requests.structures import CaseInsensitiveDict
from ytmusicapi.auth.oauth import OAuthToken
from ytmusicapi.auth.types import AuthType
from ytmusicapi.exceptions import YTMusicUserError
def parse_auth_str(auth: Union[str, dict]) -> tuple[CaseInsensitiveDict, Optional[Path]]:
"""
:param auth: user-provided auth string or dict
:return: parsed header dict based on auth, optionally path to file if it auth was a path to a file
"""
auth_path: Optional[Path] = None
if isinstance(auth, str):
auth_str: str = auth
if auth.startswith("{"):
input_json = json.loads(auth_str)
elif (auth_path := Path(auth_str)).is_file():
with open(auth_path) as json_file:
input_json = json.load(json_file)
else:
raise YTMusicUserError("Invalid auth JSON string or file path provided.")
return CaseInsensitiveDict(input_json), auth_path
else:
return CaseInsensitiveDict(auth), auth_path
def determine_auth_type(auth_headers: CaseInsensitiveDict) -> AuthType:
"""
Determine the type of auth based on auth headers.
:param auth_headers: auth headers dict
:return: AuthType enum
"""
auth_type = AuthType.OAUTH_CUSTOM_CLIENT
if OAuthToken.is_oauth(auth_headers):
auth_type = AuthType.OAUTH_CUSTOM_CLIENT
if authorization := auth_headers.get("authorization"):
if "SAPISIDHASH" in authorization:
auth_type = AuthType.BROWSER
elif authorization.startswith("Bearer"):
auth_type = AuthType.OAUTH_CUSTOM_FULL
return auth_type
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