78 lines
1.9 KiB
Perl
78 lines
1.9 KiB
Perl
package LWP::Authen::Digest;
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use strict;
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use base 'LWP::Authen::Basic';
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our $VERSION = '6.36';
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require Digest::MD5;
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sub auth_header {
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my($class, $user, $pass, $request, $ua, $h) = @_;
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my $auth_param = $h->{auth_param};
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my $nc = sprintf "%08X", ++$ua->{authen_md5_nonce_count}{$auth_param->{nonce}};
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my $cnonce = sprintf "%8x", time;
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my $uri = $request->uri->path_query;
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$uri = "/" unless length $uri;
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my $md5 = Digest::MD5->new;
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my(@digest);
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$md5->add(join(":", $user, $auth_param->{realm}, $pass));
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push(@digest, $md5->hexdigest);
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$md5->reset;
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push(@digest, $auth_param->{nonce});
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if ($auth_param->{qop}) {
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push(@digest, $nc, $cnonce, ($auth_param->{qop} =~ m|^auth[,;]auth-int$|) ? 'auth' : $auth_param->{qop});
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}
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$md5->add(join(":", $request->method, $uri));
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push(@digest, $md5->hexdigest);
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$md5->reset;
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$md5->add(join(":", @digest));
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my($digest) = $md5->hexdigest;
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$md5->reset;
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my %resp = map { $_ => $auth_param->{$_} } qw(realm nonce opaque);
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@resp{qw(username uri response algorithm)} = ($user, $uri, $digest, "MD5");
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if (($auth_param->{qop} || "") =~ m|^auth([,;]auth-int)?$|) {
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@resp{qw(qop cnonce nc)} = ("auth", $cnonce, $nc);
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}
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my(@order) = qw(username realm qop algorithm uri nonce nc cnonce response);
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if($request->method =~ /^(?:POST|PUT)$/) {
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$md5->add($request->content);
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my $content = $md5->hexdigest;
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$md5->reset;
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$md5->add(join(":", @digest[0..1], $content));
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$md5->reset;
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$resp{"message-digest"} = $md5->hexdigest;
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push(@order, "message-digest");
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}
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push(@order, "opaque");
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my @pairs;
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for (@order) {
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next unless defined $resp{$_};
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# RFC2617 says that qop-value and nc-value should be unquoted.
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if ( $_ eq 'qop' || $_ eq 'nc' ) {
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push(@pairs, "$_=" . $resp{$_});
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}
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else {
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push(@pairs, "$_=" . qq("$resp{$_}"));
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}
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}
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my $auth_value = "Digest " . join(", ", @pairs);
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return $auth_value;
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}
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1;
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