3 O6b @s<dZddlmZddlmZddlmZGdddeZdS)z%Utilities for caching OCSP responses.) namedtuple)datetime)Lockc@sBeZdZdZedddddgZddZd d Zd d Zd dZ dS) _OCSPCachezA cache for OCSP responses.ZOcspResponseCacheKeyhash_algorithmissuer_name_hashissuer_key_hash serial_numbercCsi|_t|_dS)N)_datar_lock)selfr Q/var/www/html/sandeepIITI/myenv/lib/python3.6/site-packages/pymongo/ocsp_cache.py__init__sz_OCSPCache.__init__cCs |j|jjj|j|j|jdS)N)rrrr )CACHE_KEY_TYPErnamelowerrrr )r Z ocsp_requestr r r_get_cache_key!s  z_OCSPCache._get_cache_keyc Cs|j||j|}|jdkr.|jj|ddS|jtjkoH|jknsRdS|jj|d}|dkst|j|jkr~||j|<WdQRXdS)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. N) r r next_updater pop this_update _datetimeutcnowget)r keyvalue cache_keyZ cached_valuer r r __setitem__(s   z_OCSPCache.__setitem__c Csd|jT|j|}|j|}|jtjko6|jknr@|S|jj|dt|WdQRXdS)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. N) r rr rrrrrKeyError)r itemrrr r r __getitem__Fs  z_OCSPCache.__getitem__N) __name__ __module__ __qualname____doc__rrrrrr r r r rrs rN) r$ collectionsrrr threadingrobjectrr r r rs