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inc/bundle/HTTP/Tiny.pm  view on Meta::CPAN

    (my $default_agent = $class) =~ s{::}{-}g;
    my $version = $class->VERSION;
    $default_agent .= "/$version" if defined $version;
    return $default_agent;
}

sub _request {
    my ($self, $method, $url, $args) = @_;

    my ($scheme, $host, $port, $path_query, $auth) = $self->_split_url($url);

    if ($scheme ne 'http' && $scheme ne 'https') {
      die(qq/Unsupported URL scheme '$scheme'\n/);
    }

    my $request = {
        method    => $method,
        scheme    => $scheme,
        host      => $host,
        port      => $port,
        host_port => ($port == $DefaultPort{$scheme} ? $host : "$host:$port"),
        uri       => $path_query,
        headers   => {},
    };

    my $peer = $args->{peer} || $host;

    # Allow 'peer' to be a coderef.
    if ('CODE' eq ref $peer) {
        $peer = $peer->($host);
    }

    # We remove the cached handle so it is not reused in the case of redirect.
    # If all is well, it will be recached at the end of _request.  We only
    # reuse for the same scheme, host and port
    my $handle = delete $self->{handle};
    if ( $handle ) {
        unless ( $handle->can_reuse( $scheme, $host, $port, $peer ) ) {
            $handle->close;
            undef $handle;
        }
    }
    $handle ||= $self->_open_handle( $request, $scheme, $host, $port, $peer );

    $self->_prepare_headers_and_cb($request, $args, $url, $auth);
    $handle->write_request($request);

    my $response;
    do { $response = $handle->read_response_header }
        until (substr($response->{status},0,1) ne '1');

    $self->_update_cookie_jar( $url, $response ) if $self->{cookie_jar};
    my @redir_args = $self->_maybe_redirect($request, $response, $args);

    my $known_message_length;
    if ($method eq 'HEAD' || $response->{status} =~ /^[23]04/) {
        # response has no message body
        $known_message_length = 1;
    }
    else {
        # Ignore any data callbacks during redirection.
        my $cb_args = @redir_args ? +{} : $args;
        my $data_cb = $self->_prepare_data_cb($response, $cb_args);
        $known_message_length = $handle->read_body($data_cb, $response);
    }

    if ( $self->{keep_alive}
        && $handle->connected
        && $known_message_length
        && $response->{protocol} eq 'HTTP/1.1'
        && ($response->{headers}{connection} || '') ne 'close'
    ) {
        $self->{handle} = $handle;
    }
    else {
        $handle->close;
    }

    $response->{success} = substr( $response->{status}, 0, 1 ) eq '2';
    $response->{url} = $url;

    # Push the current response onto the stack of redirects if redirecting.
    if (@redir_args) {
        push @{$args->{_redirects}}, $response;
        return $self->_request(@redir_args, $args);
    }

    # Copy the stack of redirects into the response before returning.
    $response->{redirects} = delete $args->{_redirects}
      if @{$args->{_redirects}};
    return $response;
}

sub _open_handle {
    my ($self, $request, $scheme, $host, $port, $peer) = @_;

    my $handle  = HTTP::Tiny::Handle->new(
        timeout         => $self->{timeout},
        SSL_options     => $self->{SSL_options},
        verify_SSL      => $self->{verify_SSL},
        local_address   => $self->{local_address},
        keep_alive      => $self->{keep_alive}
    );

    if ($self->{_has_proxy}{$scheme} && ! grep { $host =~ /\Q$_\E$/ } @{$self->{no_proxy}}) {
        return $self->_proxy_connect( $request, $handle );
    }
    else {
        return $handle->connect($scheme, $host, $port, $peer);
    }
}

sub _proxy_connect {
    my ($self, $request, $handle) = @_;

    my @proxy_vars;
    if ( $request->{scheme} eq 'https' ) {
        _croak(qq{No https_proxy defined}) unless $self->{https_proxy};
        @proxy_vars = $self->_split_proxy( https_proxy => $self->{https_proxy} );
        if ( $proxy_vars[0] eq 'https' ) {
            _croak(qq{Can't proxy https over https: $request->{uri} via $self->{https_proxy}});