gQeVddlZddlZddlZddlmZddlmZddlmZddlmZddlmZddlm Z dd lm Z dd l m Z dd l m Z dd l mZdd lmZddlmZej&eefZej.eZej.eZej6rddlZGddeZGddeZy)N)datetime)timezone) base64_decode) base64_encode) bytes_to_int) int_to_bytes) want_bytes) BadSignature)BadTimeSignature)SignatureExpired) Serializer)Signerc NeZdZdZdefdZdedefdZdede fdZ e j dded e d d de fd Ze j dded e d d dej e effdZ dded e d edej$ej e efe fffd Zdded e defdZxZS)TimestampSignerzWorks like the regular :class:`.Signer` but also records the time of the signing and can be used to expire signatures. The :meth:`unsign` method can raise :exc:`.SignatureExpired` if the unsigning failed because the signature is expired. returnc<ttjS)zTReturns the current timestamp. The function must return an integer. )inttime)selfs J/home/yussbn06/site/env/lib/python3.12/site-packages/itsdangerous/timed.py get_timestampzTimestampSigner.get_timestamp!s499;tscLtj|tjS)a Convert the timestamp from :meth:`get_timestamp` into an aware :class`datetime.datetime` in UTC. .. versionchanged:: 2.0 The timestamp is returned as a timezone-aware ``datetime`` in UTC rather than a naive ``datetime`` assumed to be UTC. )tz)r fromtimestamprutc)rrs rtimestamp_to_datetimez%TimestampSigner.timestamp_to_datetime's%%bX\\::rvaluect|}tt|j}t|j}||z|z}||z|j |zS)z:Signs the given string and also attaches time information.)r rr rsep get_signature)rr timestampr"s rsignzTimestampSigner.sign1sZ5!!,t/A/A/C"DE " i's{T//666r signed_valuemax_agereturn_timestampz_te.Literal[False]cyNrr&r'r(s runsignzTimestampSigner.unsign< rz_te.Literal[True]cyr*r+r,s rr-zTimestampSigner.unsignEr.rc  t||}d}t |j }||vr|r|t d||j|d\}} d} d} tt| } |+|  |j| } t t||| | t d||b|j!| z } | |kDr$t#d| d |d ||j| | d kr!t#d| d ||j| |r||j| fS|S#t$r}|}|jxsd}Yd}~0d}~wwxYw#t$rYwxYw#tttf$r} t d|| d} ~ wwxYw) aWorks like the regular :meth:`.Signer.unsign` but can also validate the time. See the base docstring of the class for the general behavior. If ``return_timestamp`` is ``True`` the timestamp of the signature will be returned as an aware :class:`datetime.datetime` object in UTC. .. versionchanged:: 2.0 The timestamp is returned as a timezone-aware ``datetime`` in UTC rather than a naive ``datetime`` assumed to be UTC. Nrztimestamp missing)payloadrzMalformed timestamp)r1 date_signedzSignature age z > z secondsrz < 0 seconds)superr-r r1r r"r rsplitrr Exceptionr ValueErrorOSError OverflowErrorstrrr )rr&r'r(result sig_errorer"r ts_bytests_intts_dtexcage __class__s rr-zTimestampSigner.unsignNs  &W^L1FI " f "#6G G --Q/x!'+ !-"9:F  ! 66v>E#3y>5eT T >"#8%H H  $$&/CW}&$SEWIX>! $ : :6 B Qw&$SE6! $ : :6 B $44V<< < G &IYY%#F &.   #G];+-usAD#E 1E# E ,EE  EEF/E==FcJ |j||y#t$rYywxYw)zeOnly validates the given signed value. Returns ``True`` if the signature exists and is valid.)r'TF)r-r )rr&r's rvalidatezTimestampSigner.validates,  KK gK 6  s  "")NF)NTr*)__name__ __module__ __qualname____doc__rrrr _t_str_bytesbytesr%typingoverload _t_opt_intr-_tTupleboolUnionrD __classcell__rBs@rrrsB  s ;;;7,757 __#16  "  /      __#04  "  .  %/ "   #!& V"VV V "((5(?+U2 3 Vp\JRVrrc eZdZUdZeZejeed< d de dejeffd Z d de de dede dejf d Z d de de de dej"eejffd ZxZS)TimedSerializerzOUses :class:`TimestampSigner` instead of the default :class:`.Signer`. default_signersaltrcJtjdt| |S)Nz_t.Iterator[TimestampSigner])rNcastr3iter_unsigners)rrWrBs rrZzTimedSerializer.iter_unsignerss!ww5uw7Md7STTrsr'r(c&t|}d}|j|D]6} |j||d\}}|j|} |r| |fcS| cSt jt |#t$rt $r } | }Yd} ~ ld} ~ wwxYw)aReverse of :meth:`dumps`, raises :exc:`.BadSignature` if the signature validation fails. If a ``max_age`` is provided it will ensure the signature is not older than that time in seconds. In case the signature is outdated, :exc:`.SignatureExpired` is raised. All arguments are forwarded to the signer's :meth:`~TimestampSigner.unsign` method. NT)r'r()r rZr- load_payloadr r rNrY) rr[r'r(rWlast_exceptionsignerbase64dr$r1errs rloadszTimedSerializer.loadss qM))$/ %F %%+]]w&3&"++G4#"I-- %$gglN33$  %!$ %s-A2A22BB  Bc.|j||d|iS)Nr') load_kwargs)_loads_unsafe_impl)rr[r'rWs r loads_unsafezTimedSerializer.loads_unsafes! &&q$Y(,U$U _ %U#!&!% #4 #4#4 #4  #4  #4P#!% R RR R $,  RrrU) rrKrNrrencodingrrrr r r@r r r serializerrr_rrQr9rJrIOptionalrirrM TYPE_CHECKINGtyping_extensions_terrUr+rrrrs ##"" !!"xxU # ;;|, [[  #SfSl:Rj:Rr