100 lines
2.9 KiB
Perl
Executable File
100 lines
2.9 KiB
Perl
Executable File
#!/usr/bin/env perl
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use utf8;
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use strict;
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use warnings;
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use open qw(:std :utf8);
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use JSON qw(decode_json);
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use LWP::UserAgent;
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use Storable qw(store retrieve);
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## CONFIG
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my $debug_output = 0; # set to 1 to enable debug output
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## END CONFIG
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#
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sub print_file($$) {
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my $destination_handle = shift;
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my $file_name = shift;
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debug("Writing $file_name to file.");
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open my $file, '<', $file_name
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or die "couldn't open file $file_name";
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my $content = join('', <$file>);
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close $file;
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print $destination_handle $content;
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}
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sub debug($) {
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my $msg = shift;
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if($debug_output) {
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my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime(time);
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my $timestamp = sprintf("%04d-%02d-%02d %02d:%02d:%02d",
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$year + 1900, $mon + 1, $mday, $hour, $min, $sec);
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print "[$timestamp] $msg\n";
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}
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}
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debug('Reading links.json config file.');
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open my $links_file, '<', 'links.json';
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my $links = decode_json(join('', <$links_file>));
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close $links_file;
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debug('Opening newtab.html for writing.');
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open my $newtab, '>', 'newtab.html';
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print_file($newtab, 'template/header.html');
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debug('Reading template/link.html.');
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open my $link_template_file, '<', 'template/link.html'
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or die "couldn't open template/link.html";
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my $link_template = join('', <$link_template_file>);
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close $link_template_file;
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my $ua = LWP::UserAgent->new();
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$ua->agent('Mozilla/5.0 (X11; Linux x86_64; rv:107.0) Gecko/20100101 Firefox/107.0');
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foreach my $link(@{$links}) {
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if($link->{placeholder}) {
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print_file($newtab, 'template/link_placeholder.html');
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next;
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}
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debug("Processing link $link->{title}.");
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my $link_html = $link_template;
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$link_html =~ s/\{\{title\}\}/$link->{title}/g;
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$link_html =~ s/\{\{url\}\}/$link->{url}/g;
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if(! -d 'icon-cache') {
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mkdir 'icon-cache';
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}
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if (! -e "icon-cache/$link->{icon}") {
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debug("Cache for icon $link->{icon} not found, fetching from web.");
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my $icon_url = "https://icons.getbootstrap.com/icons/$link->{icon}/";
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my $resp = $ua->get($icon_url);
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if(!$resp->is_success) {
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my $status = $resp->status_line;
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die "couldn't fetch icon $icon_url\n$status";
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}
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my $icon_full_html = $resp->decoded_content;
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debug("Icon $link->{icon} page fetched. Parsing html.");
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if($icon_full_html =~ /<div class="icon-demo [^>]+>[^<]*<svg [^>]+viewBox="([^"]+)"[^>]*>(.*?)<\/svg/s) {
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my $icon = {viewBox => $1, paths => $2};
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debug("Saving $link->{icon} icon to cache.");
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store($icon, "icon-cache/$link->{icon}")
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or die "couldn't save icon-cache/$link->{icon}";
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} else {
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die "couldn't parse icon $link->{icon}";
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}
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} else {
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debug("Icon $link->{icon} found in cache.");
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}
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my $icon = retrieve("icon-cache/$link->{icon}");
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$link_html =~ s/\{\{viewBox\}\}/$icon->{viewBox}/g;
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$link_html =~ s/\{\{icon\}\}/$icon->{paths}/g;
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debug("Printing $link->{title} link to newtab.html.");
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print $newtab $link_html;
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}
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print_file($newtab, 'template/footer.html');
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close $newtab;
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