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package HTTP::Tinyish::Curl;
use strict;
use warnings;
use parent qw(HTTP::Tinyish::Base);
use IPC::Run3 qw(run3);
use File::Which qw(which);
use File::Temp ();
my %supports;
my $curl;
sub _slurp {
open my $fh, "<", shift or die $!;
local $/;
<$fh>;
}
sub configure {
my $class = shift;
my %meta;
$curl = which('curl');
eval {
run3([$curl, '--version'], \undef, \my $version, \my $error);
if ($version =~ /^Protocols: (.*)/m) {
my %protocols = map { $_ => 1 } split /\s/, $1;
$supports{http} = 1 if $protocols{http};
$supports{https} = 1 if $protocols{https};
}
$meta{$curl} = $version;
};
\%meta;
}
sub supports { $supports{$_[1]} }
sub new {
my($class, %attr) = @_;
bless \%attr, $class;
}
sub request {
my($self, $method, $url, $opts) = @_;
$opts ||= {};
my(undef, $temp) = File::Temp::tempfile(UNLINK => 1);
my($output, $error);
eval {
run3 [
$curl,
'-X', $method,
($method eq 'HEAD' ? ('--head') : ()),
$self->build_options($url, $opts),
'--dump-header', $temp,
$url,
], \undef, \$output, \$error,
{
binmode_stdout => ":raw",
binmode_stderr => ":raw",
};
};
if ($@ or $?) {
return $self->internal_error($url, $@ || $error);
}
my $res = { url => $url, content => $output };
$self->parse_http_header( _slurp($temp), $res );
$res;
}
sub mirror {
my($self, $url, $file, $opts) = @_;
$opts ||= {};
my(undef, $temp) = File::Temp::tempfile(UNLINK => 1);
my($output, $error);
eval {
run3 [
$curl,
$self->build_options($url, $opts),
'-z', $file,
'-o', $file,
'--dump-header', $temp,
'--remote-time',
$url,
], \undef, \$output, \$error,
{
binmode_stdout => ":raw",
binmode_stderr => ":raw",
};
};
if ($@ or $?) {
return $self->internal_error($url, $@ || $error);
}
my $res = { url => $url, content => $output };
$self->parse_http_header( _slurp($temp), $res );
$res;
}
sub build_options {
my($self, $url, $opts) = @_;
my @options = (
'--silent',
'--show-error',
'--max-time', ($self->{timeout} || 60),
'--user-agent', ($self->{agent} || "HTTP-Tinyish/$HTTP::Tinyish::VERSION"),
);
if (my $max_redirect = exists $self->{max_redirect} ? $self->{max_redirect} : 5) {
push @options, '--location', '--max-redirs', $max_redirect;
}
my %headers;
if ($self->{default_headers}) {
%headers = %{$self->{default_headers}};
}
if ($opts->{headers}) {
%headers = (%headers, %{$opts->{headers}});
}
$self->_translate_headers(\%headers, \@options);
unless ($self->{verify_SSL}) {
push @options, '--insecure';
}
if ($opts->{content}) {
my $content;
if (ref $opts->{content} eq 'CODE') {
while (my $chunk = $opts->{content}->()) {
$content .= $chunk;
}
} else {
$content = $opts->{content};
}
push @options, '--data', $content;
}
@options;
}
sub _translate_headers {
my($self, $headers, $options) = @_;
for my $field (keys %$headers) {
my $value = $headers->{$field};
if (ref $value eq 'ARRAY') {
push @$options, map { ('-H', "$field:$_") } @$value;
} else {
push @$options, '-H', "$field:$value";
}
}
}
1;
|
