o >h @sNddlZddlZddlmZedZddZddZ   d d d ZdS)N)Headerss[-!#$%&'*+.^_`|~0-9a-zA-Z]+cCs8|dd\}}t|}|dD]}t||}q|S)z{ Given a dotted/colon path, like project.module:ClassName.callable, returns the object at the end of the path. :.)split importlib import_modulegetattr)path module_path object_pathtargetbitrl/var/www/vedio/testing/chatpythonscript.ninositsolution.com/env/lib/python3.10/site-packages/daphne/utils.pyimport_by_path s   rcCs$||}t|tr |d}|dS)Nrutf-8) isinstancelistdecode)headers header_namevaluerrr header_values  rX-Forwarded-ForX-Forwarded-PortX-Forwarded-Protoc Cs |s||fSt|trt|}dd|D}tdd|Ds'J|d}|}|}||vrt ||}d|vrH| dd }|dg}|rp|d}||vrpt ||} zt | |d<Wn t yoYnw|r|d}||vrt ||}||fS) a Parses an X-Forwarded-For header and returns a host/port pair as a list. @param headers: The twisted-style object containing a request's headers @param address_header_name: The name of the expected host header @param port_header_name: The name of the expected port header @param proto_header_name: The name of the expected proto header @param original_addr: A host/port pair that should be returned if the headers are not in the request @param original_scheme: A scheme that should be returned if the headers are not in the request @return: A list containing a host (string) as the first entry and a port (int) as the second. cSsi|] \}}||qSr)lower).0namevaluesrrr 9sz)parse_x_forwarded_for..css|]}t|tVqdS)N)rbytes)rrrrr <sz(parse_x_forwarded_for..r,rr)rrdictgetAllRawHeadersitemsallkeysrencoderrstripint ValueError) raddress_header_nameport_header_nameproto_header_name original_addroriginal_scheme result_addr result_scheme address_value port_valuerrrparse_x_forwarded_fors8      r7)rrrNN) rretwisted.web.http_headersrcompileHEADER_NAME_RErrr7rrrrs