<s> """<STR_LIT>""" <EOL> import functools <EOL> import logging <EOL> import os <EOL> import requests <EOL> from flask import request <EOL> from . . problem import problem <EOL> logger = logging . getLogger ( '<STR_LIT>' ) <EOL> adapter = requests . adapters . HTTPAdapter ( pool_connections = <NUM_LIT:100> , pool_maxsize = <NUM_LIT:100> ) <EOL> session = requests . Session ( ) <EOL> session . mount ( '<STR_LIT>' , adapter ) <EOL> session . mount ( '<STR_LIT>' , adapter ) <EOL> def get_tokeninfo_url ( security_definition ) : <EOL> '''<STR_LIT>''' <EOL> token_info_url = ( security_definition . get ( '<STR_LIT>' ) or <EOL> os . environ . get ( '<STR_LIT>' ) ) <EOL> return token_info_url <EOL> def security_passthrough ( function ) : <EOL> """<STR_LIT>""" <EOL> return function <EOL> def verify_oauth ( token_info_url , allowed_scopes , function ) : <EOL> """<STR_LIT>""" <EOL> @ functools . wraps ( function ) <EOL> def wrapper ( * args , ** kwargs ) : <EOL> logger . debug ( "<STR_LIT>" , request . url ) <EOL> authorization = request . headers . get ( '<STR_LIT>' ) <EOL> if not authorization : <EOL> logger . info ( "<STR_LIT>" ) <EOL> return problem ( <NUM_LIT> , '<STR_LIT>' , "<STR_LIT>" ) <EOL> else : <EOL> try : <EOL> _ , token = authorization . split ( ) <EOL> except ValueError : <EOL> return problem ( <NUM_LIT> , '<STR_LIT>' , '<STR_LIT>' ) <EOL> logger . debug ( "<STR_LIT>" , token , token_info_url ) <EOL> token_request = session . get ( token_info_url , params = { '<STR_LIT>' : token } , timeout = <NUM_LIT:5> ) <EOL> logger . debug ( "<STR_LIT>" , token_request . status_code , token_request . text ) <EOL> if not token_request . ok : <EOL> return problem ( <NUM_LIT> , '<STR_LIT>' , "<STR_LIT>" ) <EOL> token_info = token_request . json ( ) <EOL> user_scopes = set ( token_info [ '<STR_LIT>' ] ) <EOL> scopes_intersection = user_scopes & allowed_scopes <EOL> logger . debug ( "<STR_LIT>" , scopes_intersection ) <EOL> if not scopes_intersection : <EOL> logger . info ( "<STR_LIT>" , <EOL> user_scopes , allowed_scopes ) <EOL> return problem ( <NUM_LIT> , '<STR_LIT>' , "<STR_LIT>" ) <EOL> logger . info ( "<STR_LIT>" ) <EOL> request . user = token_info . get ( '<STR_LIT>' ) <EOL> request . token_info = token_info <EOL> return function ( * args , ** kwargs ) <EOL> return wrapper </s>
