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package HTTP::Tinyish::Base;
use strict;
use warnings;
for my $sub_name ( qw/get head put post delete patch/ ) {
my $req_method = uc $sub_name;
eval <<"HERE";
sub $sub_name {
my (\$self, \$url, \$args) = \@_;
\@_ == 2 || (\@_ == 3 && ref \$args eq 'HASH')
or Carp::croak(q/Usage: \$http->$sub_name(URL, [HASHREF])/ . "\n");
return \$self->request('$req_method', \$url, \$args || {});
}
HERE
}
sub parse_http_header {
my($self, $header, $res) = @_;
# it might have multiple headers in it because of redirects
$header =~ s/.*^(HTTP\/\d(?:\.\d)?)/$1/ms;
# grab the first chunk until the line break
if ($header =~ /^(.*?\x0d?\x0a\x0d?\x0a)/) {
$header = $1;
}
# parse into lines
my @header = split /\x0d?\x0a/,$header;
my $status_line = shift @header;
# join folded lines
my @out;
for (@header) {
if(/^[ \t]+/) {
return -1 unless @out;
$out[-1] .= $_;
} else {
push @out, $_;
}
}
my($proto, $status, $reason) = split / /, $status_line, 3;
return unless $proto and $proto =~ /^HTTP\/(\d+)(\.(\d+))?$/i;
$res->{status} = $status;
$res->{reason} = $reason;
$res->{success} = $status =~ /^(?:2|304)/;
$res->{protocol} = $proto;
# import headers
my $token = qr/[^][\x00-\x1f\x7f()<>@,;:\\"\/?={} \t]+/;
my $k;
for my $header (@out) {
if ( $header =~ s/^($token): ?// ) {
$k = lc $1;
} elsif ( $header =~ /^\s+/) {
# multiline header
} else {
return -1;
}
if (exists $res->{headers}{$k}) {
$res->{headers}{$k} = [$res->{headers}{$k}]
unless ref $res->{headers}{$k};
push @{$res->{headers}{$k}}, $header;
} else {
$res->{headers}{$k} = $header;
}
}
}
sub internal_error {
my($self, $url, $message) = @_;
return {
content => $message,
headers => { "content-length" => length($message), "content-type" => "text/plain" },
reason => "Internal Exception",
status => 599,
success => "",
url => $url,
};
}
1;
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