U oÏ a@ã@sxdZddlZddlZzddlmZWnek r<dZYnXdZGdd„deƒZddd „Z d d„Z dd „Zdd„ZdS)zJThe match_hostname() function from Python 3.3.3, essential when using SSL.éN)Ú ipaddressz3.5.0.1c@seZdZdS)ÚCertificateErrorN)Ú__name__Ú __module__Ú__qualname__©rrú€C:\Users\vtejo\AppData\Local\Temp\pip-unpacked-wheel-6mt8ur68\pip\_vendor\urllib3\packages\ssl_match_hostname\_implementation.pyrsréc Csòg}|sdS| d¡}|d}|dd…}| d¡}||krLtdt|ƒƒ‚|s`| ¡| ¡kS|dkrt| d¡n>| d ¡sˆ| d ¡rš| t |¡¡n| t |¡ d d¡¡|D]}| t |¡¡q¶t dd |¡dtj¡} | |¡S)zhMatching according to RFC 6125, section 6.4.3 http://tools.ietf.org/html/rfc6125#section-6.4.3 FÚ.rr NÚ*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)ÚsplitÚcountrÚreprÚlowerÚappendÚ startswithÚreÚescapeÚreplaceÚcompileÚjoinÚ IGNORECASEÚmatch) ÚdnÚhostnameZ max_wildcardsZpatsÚpartsZleftmostÚ remainderÚ wildcardsÚfragÚpatrrrÚ_dnsname_matchs, ÿr cCs&t|tƒr"tjdkr"t|ddd}|S)N)éÚasciiÚstrict)ÚencodingÚerrors)Ú isinstanceÚstrÚsysÚversion_infoÚunicode)ÚobjrrrÚ_to_unicodeOsr,cCst t|ƒ ¡¡}||kS)zˆExact matching of IP addresses. RFC 6125 explicitly doesn't define an algorithm for this (section 1.7.2 - "Out of Scope"). )rÚ ip_addressr,Úrstrip)ÚipnameÚhost_ipÚiprrrÚ_ipaddress_matchUsr2cCsŒ|stdƒ‚zt t|ƒ¡}WnPtk r6d}Yn:tk rLd}Yn$tk rntdkrhd}n‚YnXg}| dd¡}|D]^\}}|dkr¸|dkr¬t||ƒr¬dS| |¡q„|dkr„|dk rØt ||ƒrØdS| |¡q„|s0| dd¡D]8}|D].\}}|dkrþt||ƒr"dS| |¡qþqöt |ƒd kr\td |d t t|ƒ¡fƒ‚n,t |ƒd kr€td||d fƒ‚ntdƒ‚dS)a)Verify that *cert* (in decoded format as returned by SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 rules are followed, but IP addresses are not accepted for *hostname*. CertificateError is raised on failure. On success, the function returns nothing. ztempty or no certificate, match_hostname needs a SSL socket or SSL context with either CERT_OPTIONAL or CERT_REQUIREDNÚsubjectAltNamerÚDNSz IP AddressÚsubjectÚ commonNamer z&hostname %r doesn't match either of %sz, zhostname %r doesn't match %rrz=no appropriate commonName or subjectAltName fields were found)Ú ValueErrorrr-r,ÚUnicodeErrorÚAttributeErrorÚgetr rr2ÚlenrrÚmapr)Úcertrr0ÚdnsnamesÚsanÚkeyÚvalueÚsubrrrÚmatch_hostnameasVÿÿÿÿrC)r ) Ú__doc__rr(Úpip._vendorrÚImportErrorÚ__version__r7rr r,r2rCrrrrÚs 6