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94 lines
2.1 KiB
94 lines
2.1 KiB
package HTTP::Headers::Auth;
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use strict;
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use vars qw($VERSION);
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$VERSION = sprintf("%d.%02d", q$Revision: 1.2 $ =~ /(\d+)\.(\d+)/);
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require HTTP::Headers;
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package HTTP::Headers;
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BEGIN {
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# we provide a new (and better) implementations below
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undef(&www_authenticate);
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undef(&proxy_authenticate);
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}
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require HTTP::Headers::Util;
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sub _parse_authenticate
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{
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my @ret;
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for (HTTP::Headers::Util::split_header_words(@_)) {
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if (!defined($_->[1])) {
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# this is a new auth scheme
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push(@ret, lc(shift @$_) => {});
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shift @$_;
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}
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if (@ret) {
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# this a new parameter pair for the last auth scheme
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while (@$_) {
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my $k = lc(shift @$_);
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my $v = shift @$_;
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$ret[-1]{$k} = $v;
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}
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} else {
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# something wrong, parameter pair without any scheme seen
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# IGNORE
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}
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}
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@ret;
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}
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sub _authenticate
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{
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my $self = shift;
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my $header = shift;
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my @old = $self->_header($header);
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if (@_) {
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$self->remove_header($header);
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my @new = @_;
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while (@new) {
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my $a_scheme = shift(@new);
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if ($a_scheme =~ /\s/) {
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# assume complete valid value, pass it through
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$self->push_header($header, $a_scheme);
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} else {
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my @param;
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if (@new) {
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my $p = $new[0];
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if (ref($p) eq "ARRAY") {
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@param = @$p;
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shift(@new);
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} elsif (ref($p) eq "HASH") {
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@param = %$p;
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shift(@new);
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}
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}
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my $val = ucfirst(lc($a_scheme));
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if (@param) {
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my $sep = " ";
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while (@param) {
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my $k = shift @param;
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my $v = shift @param;
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if ($v =~ /[^0-9a-zA-Z]/ || lc($k) eq "realm") {
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# must quote the value
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$v =~ s,([\\\"]),\\$1,g;
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$v = qq("$v");
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}
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$val .= "$sep$k=$v";
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$sep = ", ";
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}
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}
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$self->push_header($header, $val);
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}
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}
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}
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return unless defined wantarray;
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wantarray ? _parse_authenticate(@old) : join(", ", @old);
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}
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sub www_authenticate { shift->_authenticate("WWW-Authenticate", @_) }
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sub proxy_authenticate { shift->_authenticate("Proxy-Authenticate", @_) }
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1;
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