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#===========================================================================
package Sitescooper::ImageURLProcessor;
use Sitescooper::URLProcessor;
use Carp;
@ISA = qw(Sitescooper::URLProcessor);
use strict;
sub new {
my $class = shift; $class = ref($class) || $class;
my ($scoop, $robot, $scf, $ref, $url, $tag) = @_;
my $self = $class->SUPER::new($scoop, $robot, $scf, $ref, $url);
$self->{tag} = $tag;
$self->{fname} = undef;
$self->{relative} = undef;
$self;
}
# ---------------------------------------------------------------------------
sub start_get {
my $self = shift;
my $url = $self->{url};
if ($self->get_state() != $Sitescooper::URLProcessor::STATE_PRE_GET) {
croak ("state != Sitescooper::URLProcessor::STATE_PRE_GET");
}
my $newurl = $self->apply_url_preproc($url);
if (!defined $newurl) {
$self->{scoop}->dbg ("URLProcess says URL should be ignored: $url"); return;
} elsif ($newurl ne $url) {
$self->{url} = $url = $newurl;
}
return if (defined $self->{already_tried_download}{$url});
$self->{already_tried_download}{$url} = 1;
my $type = '.gif';
if ($url =~ /\.jp[eg]+/i) { $type = '.jpg'; }
if ($url =~ /\.png/i) { $type = '.png'; }
$self->{fname} = $self->{robot}->href_to_multipage_filename ($url, $type);
$self->{relative} = $self->{robot}->href_to_multipage_href ($url, $type);
if (${$self->{robot}->{output_links_snarfed}}{$url}) {
return;
}
$self->{robot}->add_snarfed_link ($url);
$self->{robot}->add_snarfed_link ($self->{relative});
$self->{scoop}->verbose ("Image: $url");
return unless $self->get_img ($url, 1);
1;
}
# ---------------------------------------------------------------------------
sub finish_get {
my $self = shift;
$self->set_state ($Sitescooper::URLProcessor::STATE_POST_GET);
if ($Sitescooper::Main::got_intr_flag) { return; }
my $url = $self->{url};
my $img = $self->get_url_reply();
if ($self->does_need_http_retry()) {
my $handler = new Sitescooper::ImageURLProcessor ($self->{scoop},
$self->{robot}, $self->{scf}, $self->{url},
$self->get_http_retry_url(), $self->{tag});
$self->{robot}->re_request_page ($handler);
return;
}
my ($redir_from, $newbase);
($redir_from, $url, $newbase) =
$self->handle_redirects_and_base_url ($url, "");
if (!defined $img) {
$self->{scoop}->verbose ("Skipping (get_img returned nothing): $url");
return;
}
$self->{cache}->cache_page_now ($url, $redir_from, $img);
my $fname = $self->{fname};
my $proc = $self->{scf}->get_story_param ('image_process', $url);
if (defined $proc) {
my $img_in = $fname;
$img_in =~ s/\.([^\.]+)$/_orig\.$1/;
open (OUT, ">".$img_in); binmode OUT; print OUT $img; close OUT;
my $img_out = $fname;
my $site_level = 1;
if (!eval $proc."; 1;") {
$self->sitewarn ("ImageProcess failed: $@");
unlink ($fname, $img_in);
return;
} elsif (!-e $img_out) {
$self->{scoop}->dbg ("ImageProcess says image should be ignored: $url");
return;
} else {
unlink ($img_in);
}
} else {
if (!open (OUT, ">".$fname)) {
warn "failed to write to $fname!\n"; return "";
}
binmode OUT; print OUT $img;
close OUT or warn ("failed to write to $fname!\n");
}
$self->{robot}->up_file_size ($url, (-s $fname), "image");
if ($self->writing_images) {
$self->{robot}->add_image ($self->{relative});
}
$self->{relative};
}
# ---------------------------------------------------------------------------
1;
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