U d@szdZddlmZddlmZddlmZddlmZddlm Z m Z m Z ddl m Z e rhddlmZmZGd d d Zd S) z%Utilities for caching OCSP responses.) annotations) namedtuple)datetime)timezone) TYPE_CHECKINGAnyDict) _create_lock) OCSPRequest OCSPResponsec@sbeZdZdZedddddgZddd d Zd d d ddZd dddddZd ddddZ dS) _OCSPCachezA cache for OCSP responses.ZOcspResponseCacheKeyhash_algorithmissuer_name_hashissuer_key_hash serial_numberNone)returncCsi|_t|_dS)N)_datar _lock)selfr6/tmp/pip-unpacked-wheel-oblwsawz/pymongo/ocsp_cache.py__init__&sz_OCSPCache.__init__r CACHE_KEY_TYPE) ocsp_requestrcCs |j|jj|j|j|jdS)N)r rrr)rr namelowerrrr)rrrrr_get_cache_key+s  z_OCSPCache._get_cache_keyr )keyvaluerc Cs|j||}|jdkr8|j|dW5QRdS|jtjtj dj ddkrb|jksrnW5QRdS|j |d}|dks|jdk r|j|jkr||j|<W5QRXdS)zAdd/update a cache entry. 'key' is of type cryptography.x509.ocsp.OCSPRequest 'value' is of type cryptography.x509.ocsp.OCSPResponse Validity of the OCSP response must be checked by caller. Ntztzinfo) rr next_updaterpop this_update _datetimenowrutcreplaceget)rrr cache_keyZ cached_valuerrr __setitem__3s$   z_OCSPCache.__setitem__)itemrc Cs|j||}|j|}|jdk s*t|jdk s8t|jtjtj dj ddkrb|jkrvnn|W5QRS|j |dt |W5QRXdS)zGet a cache entry if it exists. 'item' is of type cryptography.x509.ocsp.OCSPRequest Raises KeyError if the item is not in the cache. Nr r") rrrr&AssertionErrorr$r'r(rr)r*r%KeyError)rr.r,rrrr __getitem__Vs   z_OCSPCache.__getitem__N) __name__ __module__ __qualname____doc__rrrrr-r1rrrrr s #r N)r5 __future__r collectionsrrr'rtypingrrrZ pymongo.lockr Zcryptography.x509.ocspr r r rrrrs