o ;'h3@sPddlmZddlZddlZddlZddlZddlmZmZddl m Z ddl m Z ddl mZmZddlmZmZmZmZmZdd lmZmZdd lmZmZmZmZejd krbdd l mZm Z ndd l!mZm Z ed Z"edZ#e$e$e%e%fdfZ&e$e&dfZ'GdddeZ(e ddGdddeZ)e ddGdddee)Z*dS)) annotationsN)CallableMapping) dataclass)wraps)AnyTypeVar)BrokenResourceError EndOfStreamaclose_forcefullyget_cancelled_exc_class to_thread)TypedAttributeSettyped_attribute) AnyByteStream ByteStreamListener TaskGroup) ) TypeVarTupleUnpackT_RetvalPosArgsT.c@seZdZUdZeZded<eZded<eZded<eZ ded <eZ d ed <eZ d ed <eZ ded<eZ ded<eZd ed<eZded<dS) TLSAttributez5Contains Transport Layer Security related attributes. str | None alpn_protocolbyteschannel_binding_tls_uniqueztuple[str, str, int]cipherz*None | dict[str, str | _PCTRTTT | _PCTRTT]peer_certificatez bytes | Nonepeer_certificate_binarybool server_sidez!list[tuple[str, str, int]] | Noneshared_ciphers ssl.SSLObject ssl_objectstandard_compatiblestr tls_versionN)__name__ __module__ __qualname____doc__rr__annotations__rr r!r"r$r%r'r(r*r0r0GC:\Users\shubh\Videos\agent\nova\Lib\site-packages\anyio/streams/tls.pyr!s rF)eqc@seZdZUdZded<ded<ded<ded <ded <ed d d d d d2ddZd3ddZd4dd Zd5d"d#Z d6d7d(d)Z d8d+d,Z d5d-d.Z e d9d0d1Zd S): TLSStreama A stream wrapper that encrypts all sent data and decrypts received data. This class has no public initializer; use :meth:`wrap` instead. All extra attributes from :class:`~TLSAttribute` are supported. :var AnyByteStream transport_stream: the wrapped stream rtransport_streamr#r(r& _ssl_objectz ssl.MemoryBIO _read_bio _write_bioNT)r$hostname ssl_contextr(r$ bool | Noner8rr9ssl.SSLContext | Nonereturnc s|dur| }|s'|rtjjntjj}t|}ttdr'|jtjM_t}t}t |tj ur@|j ||||d} nt |j ||||dIdH} |||| ||d} | | jIdH| S)a Wrap an existing stream with Transport Layer Security. This performs a TLS handshake with the peer. :param transport_stream: a bytes-transporting stream to wrap :param server_side: ``True`` if this is the server side of the connection, ``False`` if this is the client side (if omitted, will be set to ``False`` if ``hostname`` has been provided, ``False`` otherwise). Used only to create a default context when an explicit context has not been provided. :param hostname: host name of the peer (if host name checking is desired) :param ssl_context: the SSLContext object to use (if not provided, a secure default will be created) :param standard_compatible: if ``False``, skip the closing handshake when closing the connection, and don't raise an exception if the peer does the same :raises ~ssl.SSLError: if the TLS handshake fails NOP_IGNORE_UNEXPECTED_EOF)r$server_hostname)r4r(r5r6r7)sslPurpose CLIENT_AUTH SERVER_AUTHcreate_default_contexthasattroptionsr= MemoryBIOtype SSLContextwrap_biorZrun_sync_call_sslobject_method do_handshake) clsr4r$r8r9r(purposeZbio_inZbio_outr'wrapperr0r0r1wrapOs@    zTLSStream.wrapfunc&Callable[[Unpack[PosArgsT]], T_Retval]argsUnpack[PosArgsT]rc s z||}WntjyYz|jjr!|j|jIdH|jIdH}Wn&ty8|j Ynt yP}z |j |j t |d}~ww|j |Ynotjyn|j|jIdHYnZtjy}z |j |j t |d}~wtjy}z"|j |j t|tjs|jrd|jvr|jrt |tdd}~ww|jjr|j|jIdH|Sq)NTZUNEXPECTED_EOF_WHILE_READING)r?SSLWantReadErrorr7pendingr4sendreadreceiver r6 write_eofOSErrorr writeSSLWantWriteErrorSSLSyscallErrorSSLError isinstance SSLEOFErrorstrerrorr()selfrPrRresultdataexcr0r0r1rJsV           z TLSStream._call_sslobject_methodtuple[AnyByteStream, bytes]cs:||jjIdH|j|j|j|jfS)z Does the TLS closing handshake. :return: a tuple of (wrapped byte stream, bytes left in the read buffer) N)rJr5unwrapr6rYr7r4rWrbr0r0r1rgs   zTLSStream.unwrapNonecsP|jrz |IdHWntyt|jIdHw|jIdHdSN)r(rg BaseExceptionr r4acloserhr0r0r1rls zTLSStream.aclose max_bytesintrcs$||jj|IdH}|st|Srj)rJr5rWr )rbrnrdr0r0r1rXs zTLSStream.receiveitemcs||jj|IdHdSrj)rJr5r[)rbrpr0r0r1rVszTLSStream.sendcsb|tj}td|}|r-t|dt|dpd}}||fdkr-td|td)NzTLSv(\d+)(?:\.(\d+))?r r)rqrz;send_eof() requires at least TLSv1.3; current session uses z7send_eof() has not yet been implemented for TLS streams)extrarr*rematchrogroupNotImplementedError)rbr*rtmajorminorr0r0r1send_eofs  " zTLSStream.send_eofMapping[Any, Callable[[], Any]]csijjtjjjtjjjtjjjtj fddtj fddtj fddtj fddtj fddtjfddtjjji S)Nc jdS)NFr5 getpeercertr0rhr0r1s z,TLSStream.extra_attributes..cr{)NTr|r0rhr0r1r~scsjjSrj)r5r$r0rhr0r1r~scsjjr jSdSrj)r5r$r%r0rhr0r1r~s cjSrjr(r0rhr0r1r~crrj)r5r0rhr0r1r~r)r4extra_attributesrrr5selected_alpn_protocolrget_channel_bindingr r!r"r$r%r(r'r*versionrhr0rhr1rs   zTLSStream.extra_attributes) r4rr$r:r8rr9r;r(r#r<r3)rPrQrRrSr<r)r<rfr<ri)rm)rnror<r)rprr<rir<rz)r+r,r-r.r/ classmethodrOrJrgrlrXrVrypropertyrr0r0r0r1r3=s*   F .  r3c@sneZdZUdZded<ded<dZded<d Zd ed <ed ddZ d!d"ddZ d#ddZ e d$ddZ dS)% TLSListenera A convenience listener that wraps another listener and auto-negotiates a TLS session on every accepted connection. If the TLS handshake times out or raises an exception, :meth:`handle_handshake_error` is called to do whatever post-mortem processing is deemed necessary. Supports only the :attr:`~TLSAttribute.standard_compatible` extra attribute. :param Listener listener: the listener to wrap :param ssl_context: the SSL context object :param standard_compatible: a flag passed through to :meth:`TLSStream.wrap` :param handshake_timeout: time limit for the TLS handshake (passed to :func:`~anyio.fail_after`) z Listener[Any]listenerzssl.SSLContextr9Tr#r(floathandshake_timeoutrerkstreamrr<ricsLt|IdHt|tsttjd|dt|tr#t|tr$dS)a Handle an exception raised during the TLS handshake. This method does 3 things: #. Forcefully closes the original stream #. Logs the exception (unless it was a cancellation exception) using the ``anyio.streams.tls`` logger #. Reraises the exception if it was a base exception or a cancellation exception :param exc: the exception :param stream: the original stream NzError during TLS handshake)exc_info)r r_r logging getLoggerr+ exception Exception)rerr0r0r1handle_handshake_error"s  z"TLSListener.handle_handshake_errorNhandlerCallable[[TLSStream], Any] task_groupTaskGroup | Nonecs2tdfdd }j||IdHdS)Nrrr<ric sddlm}z$|jtj|jjdIdH}Wdn1s%wYWntyG}z||IdHWYd}~dSd}~ww|IdHdS)Nr ) fail_after)r9r() rrr3rOr9r(rkr)rrZwrapped_streamrerrbr0r1handler_wrapperGs    z*TLSListener.serve..handler_wrapper)rrr<ri)rrserve)rbrrrr0rr1rBszTLSListener.servecs|jIdHdSrj)rrlrhr0r0r1rlYszTLSListener.acloserzcstjfddiS)Ncrrjrr0rhr0r1r~_rz.TLSListener.extra_attributes..)rr(rhr0rhr1r\szTLSListener.extra_attributes)rerkrrr<rirj)rrrrr<rirr) r+r,r-r.r/r(r staticmethodrrrlrrr0r0r0r1r s    " r)+ __future__rrrsr?syscollections.abcrr dataclassesr functoolsrtypingrrrr r r r rZ_core._typedattrrrabcrrrr version_inforrZtyping_extensionsrrtupler)Z_PCTRTTZ_PCTRTTTrr3rr0r0r0r1s2     M