ó ³Ebc@s8ddlZddlZddlmZddlmZddlmZddlmZddlm Z ddlm Z dd lm Z dd l m Z dd l mZdd l mZdd l mZddl mZddlmZddlmZddlmZdefd„ƒYZdefd„ƒYZdS(iÿÿÿÿN(tdatetimei(t number_types(t _CompactJSON(tjson(t base64_decode(t base64_encode(t want_bytes(tBadData(t BadHeader(t BadPayload(t BadSignature(tSignatureExpired(t Serializer(t HMACAlgorithm(t NoneAlgorithmtJSONWebSignatureSerializercBsÛeZdZieejƒd6eejƒd6eejƒd6eƒd6Z dZ e Z ddddddd„Zded„Zd„Zd„Zddd „Zd „Zddd „Zded „Zded „ZRS(srThis serializer implements JSON Web Signature (JWS) support. Only supports the JWS Compact Serialization. tHS256tHS384tHS512tnonecCshtj|d|d|d|d|d|d|ƒ|dkrI|j}n||_|j|ƒ|_dS(Nt secret_keytsaltt serializertserializer_kwargstsignert signer_kwargs(R t__init__tNonetdefault_algorithmtalgorithm_nametmake_algorithmt algorithm(tselfRRRRRRR((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyR&s    c CsCt|ƒ}d|kr'tdƒ‚n|jddƒ\}}yt|ƒ}Wn%tk rv}tdd|ƒ‚nXyt|ƒ}Wn%tk r®}tdd|ƒ‚nXytj||dtƒ} Wn%t k rò}tdd|ƒ‚nXt | t ƒstd d | ƒ‚ntj||d|ƒ}|r?|| fS|S( Nt.sNo "." found in valueis:Could not base64 decode the header because of an exceptiontoriginal_errors;Could not base64 decode the payload because of an exceptionRs5Could not unserialize header because it was malformeds#Header payload is not a JSON objecttheader( RR tsplitRt ExceptionRR t load_payloadRRt isinstancetdict( R tpayloadRt return_headertbase64d_headertbase64d_payloadt json_headertet json_payloadR#((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyR&>s8      cCsHt|jj||jƒ}t|jj||jƒ}|d|S(NR!(RRtdumpsR(R R#tobjR+R,((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyt dump_payload_s cCs3y|j|SWntk r.tdƒ‚nXdS(NsAlgorithm not supported(tjws_algorithmstKeyErrortNotImplementedError(R R((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyRhs c Csp|dkr|j}n|dkr*dnd}|dkrH|j}n|j|jd|ddd|d|ƒS(NRRtsepR!tkey_derivationR(RRRRR(R RRR7((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyt make_signerns     cCs)|r|jƒni}|j|d<|S(Ntalg(tcopyR(R t header_fieldsR#((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyt make_header|s cCs=|j|ƒ}|j||jƒ}|j|j||ƒƒS(s«Like :meth:`.Serializer.dumps` but creates a JSON Web Signature. It also allows for specifying additional fields to be included in the JWS header. (R<R8RtsignR2(R R1RR;R#R((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyR0scCs€|j|j||jƒjt|ƒƒdtƒ\}}|jdƒ|jkrltdd|d|ƒ‚n|r|||fS|S(s{Reverse of :meth:`dumps`. If requested via ``return_header`` it will return a tuple of payload and header. R*R9sAlgorithm mismatchR#R)( R&R8RtunsignRtTruetgetRR(R tsRR*R)R#((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pytloadsŠs$ cCs#i|d6}|j||||ƒS(NR*(t_loads_unsafe_impl(R RARR*tkwargs((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyt loads_unsafe˜s N(t__name__t __module__t__doc__R thashlibtsha256tsha384tsha512RR3RRtdefault_serializerRRtFalseR&R2RR8R<R0RBRE(((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyRs,  !   tTimedJSONWebSignatureSerializercBsJeZdZdZdd„Zd„Zded„Zd„Z d„Z RS(sËWorks like the regular :class:`JSONWebSignatureSerializer` but also records the time of the signing and can be used to expire signatures. JWS currently does not specify this behavior but it mentions a possible extension like this in the spec. Expiry date is encoded into the header similar to what's specified in `draft-ietf-oauth -json-web-token `_. icKs8tj||||dkr+|j}n||_dS(N(RRRtDEFAULT_EXPIRES_INt expires_in(R RRQRD((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyR«s  cCsCtj||ƒ}|jƒ}||j}||d<||d<|S(Ntiattexp(RR<tnowRQ(R R;R#RRRS((sh/var/www/html/facial-emotion-detection-webapp-main/flask/lib/python2.7/site-packages/itsdangerous/jws.pyR<±s     cCsítj|||dtƒ\}}d|krBtdd|ƒ‚ntdd|ƒ}yt|dƒ|ds$  ˆ