Yf"&dZddlZddlZddlZddlZddlmZddlmZm Z m Z ddl m Z Gdde Z e e Gdd Ze e Gd d Ze e Gd d ZdS)zF Protocol agnostic implementations of SASL authentication mechanisms. N)md5) Attribute Interface implementer) networkStringc0eZdZedZdZdZdS)ISASLMechanismz#Common name for the SASL Mechanism.cdS)z Get the initial client response, if defined for this mechanism. @return: initial client response string. @rtype: C{str}. Nr `/var/www/html/env/lib/python3.11/site-packages/twisted/words/protocols/jabber/sasl_mechanisms.pygetInitialResponsez!ISASLMechanism.getInitialResponser cdS)z Get the response to a server challenge. @param challenge: server challenge. @type challenge: C{str}. @return: client response. @rtype: C{str}. Nr ) challenges r getResponsezISASLMechanism.getResponse!rr N)__name__ __module__ __qualname__rnamerrr r r r r sB 9> ? ?D        r r c"eZdZdZdZdZdZdS) Anonymouszm Implements the ANONYMOUS SASL authentication mechanism. This mechanism is defined in RFC 2245. ANONYMOUScdSNr selfs r rzAnonymous.getInitialResponse6tr cdSrr rrs r rzAnonymous.getResponse9 r N)rrr__doc__rrrr r r rr,sC D     r rc(eZdZdZdZdZdZdZdS)Plainz Implements the PLAIN SASL authentication mechanism. The PLAIN SASL authentication mechanism is defined in RFC 2595. PLAINc<|pd|_|pd|_|pd|_dS)a  @param authzid: The authorization identity. @type authzid: L{unicode} @param authcid: The authentication identity. @type authcid: L{unicode} @param password: The plain-text password. @type password: L{unicode} N)authzidauthcidpassword)rr(r)r*s r __init__zPlain.__init__Hs)}" }"  B r c|jddz|jdzdz|jdzS)Nzutf-8)r(encoder)r*rs r rzPlain.getInitialResponseXs^ L   ( ( l!!'** + m""7++  , r cdSrr r s r rzPlain.getResponsear!r N)rrrr"rr+rrr r r r$r$>sR D'''         r r$cFeZdZdZdZdZdZdZdZdZ dZ d Z d Z d S) DigestMD5z Implements the DIGEST-MD5 SASL authentication mechanism. The DIGEST-MD5 SASL authentication mechanism is defined in RFC 2831. z DIGEST-MD5cv||_||_||_|d||_||xjd|z c_dSdS)a @param serv_type: An indication of what kind of server authentication is being attempted against. For example, C{u"xmpp"}. @type serv_type: C{unicode} @param host: The authentication hostname. Also known as the realm. This is used as a scope to help select the right credentials. @type host: C{unicode} @param serv_name: An additional identifier for the server. @type serv_name: C{unicode} @param username: The authentication username to use to respond to a challenge. @type username: C{unicode} @param password: The authentication password to use to respond to a challenge. @type password: C{unicode} /N)usernamer* defaultRealm digest_uri)r serv_typehost serv_namer4r*s r r+zDigestMD5.__init__psW*!    &////  OO9 .OOOO ! r cdSrr rs r rzDigestMD5.getInitialResponserr c||}d|vrdS|dd} |d}n*#t$r|j|}YnwxYw||||dS)Nsrspauthr charsetasciirealmnonce)_parsedecodeKeyErrorr5r. _genResponse)rr directivescharsetrealms r rzDigestMD5.getResponses[[++   # #3Z(//88 6x(EE 6 6 6%,,W55EEE 6  %H1EFFFsA$A('A(cL|}i}d}d}|r|d|}|||}|dz }|||dzdkrG|dz }|d|}|||} |d|dz}|dkrd}n\|d|}|dkr||d } d}n|||} |dz}| ||<|d D]$} | |vr|| d|| <%|S) z Parses the server challenge. Splits the challenge into a dictionary of directives with values. @return: challenge directives and their values. @rtype: C{dict} of C{str} to C{str}. rT=",FN)qopcipher)indexlstripfindrstripsplit) rrs paramDictcurremainingParamsmiddlerendvalueparams r r@zDigestMD5._parsess   $ WWT3''FSZ=''))D aKF&1*$%--! ggdF++&* ffT3''!+!88&+OffT6**"99fggJ--//E&+OOfSjM0022EAg#IdO/ $2) @ @E !!#,U#3#9#9$#?#? % r cg}|D]/\}}|dvr |dz|z}n|dz|z}||0d|S)af Create message string from directives. @param directives: dictionary of directives (names to their values). For certain directives, extra quotes are added, as needed. @type directives: C{dict} of C{str} to C{str} @return: message string. @rtype: C{str}. )usernamer>cnoncer? digest-urisauthzidrNrHrK)itemsappendjoin)rrDdirective_listrrZ directives r _unparsezDigestMD5._unparses%++-- - -KD%!4K%/  4K%/  ! !) , , , ,yy(((r c  d d} fd}  |dz|zdz|zdz|zdz|z} d|z} || | | |dz|zdz|zdzdzdz| | z} | S)z Calculates response with given encoded parameters. @return: The I{response} field of a response to a Digest-MD5 challenge of the given parameters. @rtype: L{bytes} cDt|Sr)rdigest)rTs r Hz'DigestMD5._calculateResponse..Hsq66==?? "r c*tj|Sr)binasciib2a_hex)ns r HEXz)DigestMD5._calculateResponse..HEXs#A&& &r c&|dz|zS)N:r )krTris r KDz(DigestMD5._calculateResponse..KDs1QX\?? "r rps AUTHENTICATE:authr )rcnoncencnoncer4r*rFurirnrra1a2responseris @r _calculateResponsezDigestMD5._calculateResponses # # # ' ' ' # # # # #Qx$&-8 9 9D @5 H4 ORX X  #3 BAAbEE  r!D(61D87BTICCPQPQRTPUPUJJV     r c  |j|}|j|}|j|}n#t$rwxYwt dd}|}d} ||||||||} |||||| || |dd } || S)z Generate response-value. Creates a response to a challenge according to section 2.1.2.1 of RFC 2831 using the C{charset}, C{realm} and C{nonce} directives from the challenge. rI08xrsr=) r]r>r?r^sncrMr_sresponser<) r4r.r*r6 UnicodeErrorr _gen_noncer{re) rrErFrvr4r*r6rurtqoprzrDs r rCzDigestMD5._genResponse s }++G44H}++G44H//88JJ     a:: & &""** Bx5*   "%!w//   }}Z(((s AA Acdtjtjtjfz}t |}t |dS)Nz%f:%f:%dr=)randomtimeosgetpidrr hexdigestr.)r nonceString nonceBytess r rzDigestMD5._gen_nonce0sX FMOOTY[[")++#NN ";// :((**11':::r N) rrrr"rr+rrr@rer{rCrr r r r1r1fs D///:GGG"***X)))>:%)%)%)N;;;;;r r1)r"rkrrrhashlibrzope.interfacerrrtwisted.python.compatrr rr$r1r r r rss   <<<<<<<<<<//////     Y   , ^        " ^$ $ $ $ $ $ $ $ N ^L;L;L;L;L;L;L;L;L;L;r