_D='/user/signin'
_C='username'
_B=None
_A='token'
import getpass,json,logging,os,sys,time
from typing import Any,Dict,Optional
from jose import JWTError,jwt
from localstack.config import dirs
from localstack.constants import API_ENDPOINT
from localstack.utils.common import FileMappedDocument,call_safe,safe_requests,to_str
LOG=logging.getLogger(__name__)
AUTH_CACHE_FILE='auth.json'
class AuthToken:
	def __init__(A,token,metadata=_B):A.token=token;A.metadata=metadata
	def extract_jwt(B):A=B.token.strip().split(' ')[-1];jwt.get_unverified_claims(A);return A
	def to_dict(A):return{**(A.metadata or{}),_A:A.token}
class AuthClient:
	TOKEN_REFRESH_LEAD_TIME=30
	def get_auth_token(C,username,password,headers=_B):
		D={_C:username,'password':password};A=safe_requests.post(C._api_url(_D),json.dumps(D),headers=headers)
		if not A.ok:return _B
		try:B=json.loads(to_str(A.content or'{}'));return AuthToken(token=B[_A],metadata=B)
		except Exception:pass
	def get_token_expiry(B,token):
		try:A=jwt.get_unverified_claims(token.extract_jwt());return A.get('exp')
		except JWTError:return
	def refresh_token(A,token):
		B=token;D=A.get_token_expiry(B)
		if not D or time.time()<D-A.TOKEN_REFRESH_LEAD_TIME:return B
		F=B.to_dict();C=safe_requests.put(A._api_url(_D),json.dumps(F))
		if not C.ok:raise Exception(f"Unable to obtain auth token (code {C.status_code}) - please log in again.")
		try:G=json.loads(to_str(C.content or'{}'));E=G[_A];return AuthToken(token=E[_A],metadata=E)
		except Exception as H:raise Exception(f"Unable to obtain token ({H}) - please log in again.")
	def read_credentials(C,username):
		A=username;print('Please provide your login credentials below')
		if not A:sys.stdout.write('Username: ');sys.stdout.flush();A=input()
		B=getpass.getpass();return A,B,{}
	def _api_url(A,path):return f"{API_ENDPOINT}{path}"
def get_auth_cache():return FileMappedDocument(os.path.join(dirs.cache,AUTH_CACHE_FILE),mode=384)
def login(username=_B):
	A=username;B=AuthClient();A,E,F=B.read_credentials(A);print('Verifying credentials ... (this may take a few moments)');C=B.get_auth_token(A,E,F)
	if not C:raise Exception('Unable to verify login credentials - please try again')
	D=get_auth_cache();D.update({_C:A,_A:C.token});call_safe(D.save,exception_message='error saving authentication information')
def logout():A=get_auth_cache();A.clear();A.save()