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usr
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local
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share
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perl5
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LWP
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Authen
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Filename :
Digest.pm
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package LWP::Authen::Digest; use strict; use parent 'LWP::Authen::Basic'; our $VERSION = '6.76'; require Digest::MD5; sub _reauth_requested { my ($class, $auth_param, $ua, $request, $auth_header) = @_; my $ret = defined($$auth_param{stale}) && lc($$auth_param{stale}) eq 'true'; if ($ret) { my $hdr = $request->header($auth_header); $hdr =~ tr/,/;/; # "," is used to separate auth-params!! ($hdr) = HTTP::Headers::Util::split_header_words($hdr); my $nonce = {@$hdr}->{nonce}; delete $$ua{authen_md5_nonce_count}{$nonce}; } return $ret; } sub auth_header { my($class, $user, $pass, $request, $ua, $h) = @_; my $auth_param = $h->{auth_param}; my $nc = sprintf "%08X", ++$ua->{authen_md5_nonce_count}{$auth_param->{nonce}}; my $cnonce = sprintf "%8x", time; my $uri = $request->uri->path_query; $uri = "/" unless length $uri; my $md5 = Digest::MD5->new; my(@digest); $md5->add(join(":", $user, $auth_param->{realm}, $pass)); push(@digest, $md5->hexdigest); $md5->reset; push(@digest, $auth_param->{nonce}); if ($auth_param->{qop}) { push(@digest, $nc, $cnonce, ($auth_param->{qop} =~ m|^auth[,;]auth-int$|) ? 'auth' : $auth_param->{qop}); } $md5->add(join(":", $request->method, $uri)); push(@digest, $md5->hexdigest); $md5->reset; $md5->add(join(":", @digest)); my($digest) = $md5->hexdigest; $md5->reset; my %resp = map { $_ => $auth_param->{$_} } qw(realm nonce opaque); @resp{qw(username uri response algorithm)} = ($user, $uri, $digest, "MD5"); if (($auth_param->{qop} || "") =~ m|^auth([,;]auth-int)?$|) { @resp{qw(qop cnonce nc)} = ("auth", $cnonce, $nc); } my(@order) = qw(username realm qop algorithm uri nonce nc cnonce response opaque); my @pairs; for (@order) { next unless defined $resp{$_}; # RFC2617 says that qop-value and nc-value should be unquoted. if ( $_ eq 'qop' || $_ eq 'nc' ) { push(@pairs, "$_=" . $resp{$_}); } else { push(@pairs, "$_=" . qq("$resp{$_}")); } } my $auth_value = "Digest " . join(", ", @pairs); return $auth_value; } 1;