i>LSSKJr SSKrSSKrSSKrSSKrSSKJr SSKJ r J r J r SSK J r Jr SSKJrJrJrJrJrJr /SQr\ "S 5rS S .S-S jjrS.S jr\R2"S5rS/Sjr\R2"S5rS0Sjr\R2"S5r\R2"S5rS0Sjr \R2"S5r!\R2"S5r"S1Sjr#S2Sjr$S3Sjr%S4Sjr&\R2"S5r'S5Sjr(S6Sjr)S7Sjr*S8Sjr+S9S jr,\,r-S:S!jr.S;S"jr/\/r0SS%jr4\4r5S?S&jr6S@S'jr7\R2"S(5r8S0S)jr9SAS*jr:SBS+jr;SCS,jr OOF (E }!+/?MM ;;=%))+ %%r2zC"(?:[\x09\x20-\x21\x23-\x5b\x5d-\x7e]|\\[\x09\x20-\x7e\x80-\xff])*"z\\([\x09\x20-\x7e\x80-\xff])c[RX5nUc [USX5e[R SUR 5SS5UR 54$)z Parse a quoted string from ``header`` at the given position. Return the unquoted value and the new position. Raises: InvalidHeaderFormat: On invalid inputs. zexpected quoted stringz\1r)_quoted_string_rer5r _unquote_resubr:r6r;s r,parse_quoted_stringrCsR  # #F 0E }!+/GUU ??5%++-""5 6 CCr2z[\x09\x20-\x7e\x80-\xff]*z ([\x22\x5c])c[RU5nUc [S5eS[R SU5-S-$)z\ Format ``value`` as a quoted string. This is the reverse of :func:`parse_quoted_string`. z-invalid characters for quoted-string encoding"z\\\1) _quotable_re fullmatchr' _quote_rerB)valuer5s r,build_quoted_stringrJs@  " "5 )E }HII w. . 44r2c[X5S:Xa[XS-5n[X5S:XaM/nU"XU5upRURU5 [X5nU[U5:XaOk[X5S:Xa[XS-5nO [ USX5e[X5S:Xa[XS-5n[X5S:XaMU[U5:XaOMU[U5:XdeU$)a Parse a comma-separated list from ``header`` at the given position. This is appropriate for parsing values with the following grammar: 1#item ``parse_item`` parses one item. ``header`` is assumed not to start or end with whitespace. (This function is designed for parsing an entire header value and :func:`~websockets.http.read_headers` strips whitespace from values.) Return a list of items. Raises: InvalidHeaderFormat: On invalid inputs. ,rzexpected comma)r1r7appendr.r ) parse_itemr/r0r<itemsitems r, parse_listrQs> V !S (a( V !S ( E vK8  T$ #f+   f "c )F!G,C%k3CVQ Q%,F!G,C%, #f+  - 4 #f+   Lr2cB[XU5up1[[U5U4$)z Parse a Connection option from ``header`` at the given position. Return the protocol value and the new position. Raises: InvalidHeaderFormat: On invalid inputs. )r=rr r/r0r<rPs r,parse_connection_optionrTs%F5ID  $ ' ,,r2c&[[USS5$)z Parse a ``Connection`` header. Return a list of HTTP connection options. Args header: value of the ``Connection`` header. Raises: InvalidHeaderFormat: On invalid inputs. r Connection)rQrTr/s r,rrs -vq, GGr2z>[-!#$%&\'*+.^_`|~0-9a-zA-Z]+(?:/[-!#$%&\'*+.^_`|~0-9a-zA-Z]+)?c[RX5nUc [USX5e[[UR 55UR 54$)z Parse an Upgrade protocol from ``header`` at the given position. Return the protocol value and the new position. Raises: InvalidHeaderFormat: On invalid inputs. zexpected protocol) _protocol_rer5r rrr:r6r;s r,parse_upgrade_protocolrZ sG   v +E }!+/BFPP  / <JE$ =# r2c[XU5up1[X5n/n[X5S:Xa>[XS-5n[XU5upQUR U5 [X5S:XaM>[ [ U5U4U4$)z Parse an extension definition from ``header`` at the given position. Return an ``(extension name, parameters)`` pair, where ``parameters`` is a list of ``(name, value)`` pairs, and the new position. Raises: InvalidHeaderFormat: On invalid inputs. ;r)r=r7r1rarMrr )r/r0r<r_ parameters parameters r,parse_extension_itemrfRsF5ID F CJ V !S (a(3FM )$ V !S (  %z 2C 77r2c&[[USS5$)a Parse a ``Sec-WebSocket-Extensions`` header. Return a list of WebSocket extensions and their parameters in this format:: [ ( 'extension name', [ ('parameter name', 'parameter value'), .... ] ), ... ] Parameter values are :obj:`None` when no value is provided. Raises: InvalidHeaderFormat: On invalid inputs. rzSec-WebSocket-Extensions)rQrfrWs r,rrks. *FA7Q RRr2c SR[[U5/UVVs/sHupUcUOUSU3PM snn-5$s snnf)zW Build an extension definition. This is the reverse of :func:`parse_extension_item`. z; r^)joinrstr)r_rdrIs r,build_extension_itemrks` 99 c4 *  * MD$q'8 8)    sA c2SRSU55$)z` Build a ``Sec-WebSocket-Extensions`` header. This is the reverse of :func:`parse_extension`. , c3<# UHup[X5v M g7f)N)rk).0r_rds r, "build_extension..sGQ3C4T..zsri) extensionss r,rrs" 99GQ r2cB[XU5up1[[U5U4$)z Parse a subprotocol from ``header`` at the given position. Return the subprotocol value and the new position. Raises: InvalidHeaderFormat: On invalid inputs. )r=rrrSs r,parse_subprotocol_itemrus$F5ID  T "C ''r2c&[[USS5$)z Parse a ``Sec-WebSocket-Protocol`` header. Return a list of WebSocket subprotocols. Raises: InvalidHeaderFormat: On invalid inputs. rzSec-WebSocket-Protocol)rQrurWs r,rrs ,fa9Q RRr2c$SRU5$)z` Build a ``Sec-WebSocket-Protocol`` header. This is the reverse of :func:`parse_subprotocol`. rmrr) subprotocolss r,rrs 99\ ""r2c[U[5(d [S5e[U[5(a [S5eUH+n[R U5(aM[ SU35e g)zL Validate that ``subprotocols`` is suitable for :func:`build_subprotocol`. zsubprotocols must be a listz&subprotocols must be a list, not a strzinvalid subprotocol: N) isinstancer TypeErrorrjr9rGr')rx subprotocols r,rrsd lH - -566,$$@AA# "";//4[MBC C$r2c>[U5n[S5nSUSU3$)zq Build a ``WWW-Authenticate`` header for HTTP Basic Auth. Args: realm: Identifier of the protection space. zUTF-8z Basic realm=z , charset=)rJ)realmcharsets r,rrs+  &E!'*G % 7) 44r2z[A-Za-z0-9-._~+/]+=*c[RX5nUc [USX5eUR5UR 54$)z Parse a token68 from ``header`` at the given position. Return the token value and the new position. Raises: InvalidHeaderFormat: On invalid inputs. zexpected token68) _token68_rer5r r:r6r;s r, parse_token68rs@   f *E }!+/A6OO ;;=%))+ %%r2c<U[U5:a [USX5eg)z0 Check that parsing reached the end of header. z trailing dataN)r.r )r/r0r<s r, parse_endrs$  S[!+LLr2c[USS5upUR5S:wa[SSU35e[X5S:wa [ SSX5eUS- n[ XS5up2[ XS5 [R"UR55R5nURS S5upVXV4$![Ra [SS5S ef=f![a [SS 5S ef=f) a Parse an ``Authorization`` header for HTTP Basic Auth. Return a ``(username, password)`` tuple. Args: header: Value of the ``Authorization`` header. Raises: InvalidHeaderFormat: On invalid inputs. InvalidHeaderValue: On unsupported inputs. r Authorizationbasiczunsupported scheme:  zexpected space after schemerz#expected base64-encoded credentialsNr#z&expected username:password credentials)r=lowerr r1r rrbase64 b64decodeencodedecodebinasciiErrorsplitr')r/schemer0basic_credentials user_passusernamepasswords r,rrs% fa9KF ||~  "6( +  &#%! :F  1HC*6H f?+$$%6%=%=%?@GGI &__S!4   >>  1     4  s/2B9"C9"CC6cSU;deUSU3n[R"UR55R5nSU-$)zt Build an ``Authorization`` header for HTTP Basic Auth. This is the reverse of :func:`parse_authorization_basic`. r#zBasic )r b64encoderr)rrrrs r,rr?sQ h  *AhZ(I(()9)9);<CCE ' ''r2) r(rjr)intr*boolrrreturnrj)r/rjr0rrz str | None)r/rjr0rrr)r/rjr0rr<rjrztuple[str, int])rIrjrrj) rNz(Callable[[str, int, str], tuple[T, int]]r/rjr0rr<rjrzlist[T])r/rjr0rr<rjrztuple[ConnectionOption, int])r/rjrzlist[ConnectionOption])r/rjr0rr<rjrztuple[UpgradeProtocol, int])r/rjrzlist[UpgradeProtocol])r/rjr0rr<rjrztuple[ExtensionParameter, int])r/rjr0rr<rjrztuple[ExtensionHeader, int])r/rjrzlist[ExtensionHeader])r_r rdzSequence[ExtensionParameter]rrj)rszSequence[ExtensionHeader]rrj)r/rjr0rr<rjrztuple[Subprotocol, int])r/rjrzlist[Subprotocol])rxSequence[Subprotocol]rrj)rxrrNone)r~rjrrj)r/rjr0rr<rjrr)r/rjrztuple[str, str])rrjrrjrrj)= __future__rrrr$recollections.abcrtypingrrr exceptionsr r r r r rrr__all__rrr1compiler4r7r9r=r@rArCrFrHrJrQrTrrYrZrrarfrparse_extension_listrkrbuild_extension_listrurparse_subprotocol_listrbuild_subprotocol_listrrrrrrrr2r,rs"  $**?  CL!&        D 7 **Y   JJ6 7  & JJJ jj89  D zz67  JJ '  5?8? ? ? ?  ?D -  - -(+ -! - H zzE = ==(+= =$ D ! !!(+!#!H8 88(+8 82S4' %A& ' (  ( ((+ ( ( S+#+ D 5jj01  & M-` (r2