<:
+use 5.014;
use utf8;
-use strict;
use warnings;
no warnings 'qw'; # you know what you doing
no warnings 'uninitialized'; # save some useless checks for more legible code
-use open IO => ':utf8';
+use open ':std' => ':utf8';
+
+use File::stat 'stat';
+use HTTP::Date;
+use Encode qw( decode_utf8 );
+
+sub Alert {
+ my ($html, $debug) = @_;
+ ref $html eq 'ARRAY' or $html = [$html];
+ my ($title, @lines) = @{$html};
+ $body = "<h2>$title</h2>";
+ $body .= "\n<p>$_</p>" for @lines;
+ $body .= "\n<pre>$debug</pre>" if $Dev and $debug;
+ say "<div class=error>$body</div>\n";
+}
+
+BEGIN {
+ require Time::HiRes;
+ our $Time = [Time::HiRes::gettimeofday()];
+
+ $PLP::ERROR = sub {
+ my ($text, $html) = @_;
+ warn $text;
+ unless ($PLP::sentheaders and $PLP::sentheaders->[0] !~ m{/PLP\.pm$}) {
+ Html({nocache => 1});
+ say '<h1>Page unavailable</h1>';
+ }
+ Alert("<strong>Fatal error</strong>: $html.");
+ };
+
+ push @INC, '.';
+
+ # user request
+ our $Dev = $ENV{HTTP_HOST} =~ /\bdev\./;
+ our ($file) = $ENV{SCRIPT_FILENAME} =~ m{ ([^/]+) \.plp$ }x;
+}
+
+our $Request = decode_utf8($ENV{PATH_INFO} =~ s{^/}{}r);
our $style;
+our $showkeys = !exists $get{keys} ? undef :
+ ($get{keys} ne '0' && ($get{keys} || 'always'));
$header{content_type} = 'text/html; charset=utf-8';
sub stylesheet {
- my %styles = map {$_ => $_} @_;
- $style = exists $get{style} && $styles{$get{style}} || $_[0];
- return join "\n", map { sprintf(
+ my ($avail) = @_;
+ my @avail = ref $avail eq 'ARRAY' ? @{$avail} : $avail or return;
+ my %styles = map {$_ => $_} @avail;
+
+ if (defined( my $setstyle = $get{style} )) {
+ $style = $styles{ $setstyle };
+ eval {
+ require CGI::Cookie;
+ my $cookie = CGI::Cookie->new(
+ -name => 'style',
+ -value => $setstyle || '',
+ -path => '/', # site-wide
+ -expires => $setstyle ? '+5y' : '-1d',
+ ) or die "empty object returned\n";
+ AddCookie($cookie->as_string);
+ } or warn "Unable to create style cookie: $@";
+ }
+
+ $style ||= exists $cookie{style} && $styles{ $cookie{style} } || $avail[0];
+
+ return map { sprintf(
'<link rel="%s" type="text/css" media="all" href="%s" title="%s">',
- $_ eq $style ? 'stylesheet' : 'alternate stylesheet', "/$_.css", $_
- ) } @_;
+ $_ eq $style ? 'stylesheet' : 'alternate stylesheet', "/$_.css?1.11", $_
+ ) } @avail;
+}
+
+sub checkmodified {
+ my $lastmod = 0;
+ for (@_) {
+ my $mod = stat $_ or next;
+ $mod = $mod->mtime or next;
+ $lastmod = $mod if $mod gt $lastmod;
+ }
+
+ for ($ENV{HTTP_IF_MODIFIED_SINCE} || ()) {
+ next if str2time($_) < $lastmod;
+ $header{status} = '304 Same old';
+ exit;
+ }
+
+ $header{'Last-Modified'} = time2str($lastmod);
+}
+
+sub Html {
+ my ($meta) = @_;
+
+ unless ($meta->{nocache}) {
+ # announce and check data modification
+ checkmodified(
+ $ENV{SCRIPT_FILENAME},
+ (grep { /\bShiar_/ } values %INC),
+ $meta->{data} ? @{ $meta->{data} } : (),
+ );
+ $header{'Cache-Control'} = 'max-age='.(24*60*60);
+ }
+
+ # default fallbacks
+ $meta->{stylesheet} ||= [qw( light dark circus mono red )];
+ $meta->{charset} ||= 'utf-8';
+
+ # convert options to arrays
+ ref $_ eq 'ARRAY' or $_ = [$_]
+ for grep {$_} $meta->{raw}, $meta->{description}, $meta->{keywords};
+
+ # document headers before output
+ $header{content_type} = "text/html; charset=$meta->{charset}"
+ unless $PLP::sentheaders;
+ unshift @{ $meta->{raw} }, stylesheet($meta->{stylesheet});
+
+ push @{ $meta->{raw} }, (
+ '<link rel="stylesheet" type="text/css" media="monochrome" href="/mono.css?1.11" title="light">',
+ );
+
+ # optional amends
+ push @{ $meta->{raw} }, (
+ '<!--[if lte IE 6]><style> .help dl.legend dt {margin:0 0 1px} </style><![endif]-->',
+ '<!--[if lte IE 7]><style> .help dl.legend dd {float:none} </style><![endif]-->',
+ !$showkeys ? '<style> .no {visibility:hidden} </style>' :
+ $showkeys eq 'ghost' ? '<style> .no, .alias {opacity:.5} </style>' : (),
+ '<script type="text/javascript" src="/keys.js?1.6" async></script>',
+ ) if $meta->{keys};
+
+ # leading output
+ say '<!DOCTYPE html>';
+ say '<html lang="en">';
+ say '';
+ say '<head>';
+ say sprintf '<meta http-equiv="content-type" content="%s">', $_
+ for $header{content_type};
+ say sprintf '<title>%s</title>', $meta->{title};
+ say sprintf '<meta name="description" content="%s">', EscapeHTML($_)
+ for join(' ', @{ $meta->{description} }) || ();
+ say sprintf '<meta name="keywords" content="%s">', EscapeHTML($_)
+ for join(', ', @{ $meta->{keywords} }) || ();
+ say '<meta name="viewport" content="width=device-width, initial-scale=1">';
+ say '<link rel="icon" type="image/png" href="/clip.png">';
+ say for map { @{$_} } $meta->{raw} || ();
+ say '<meta name="robots" content="noindex">' if $Dev;
+ say '</head>';
+ say '';
+ say sprintf '<body id="%s">', $file;
+
+ # development version indicator
+ printf '<p style="%s">beta</p>', join('; ',
+ 'position: fixed',
+ 'right: 1em',
+ 'opacity: .5',
+ 'border: 1ex solid red',
+ 'border-width: 1ex 0',
+ 'z-index: 1',
+ 'background: inherit',
+ ) if $Dev;
+
+ # prepare trailing output
+ PLP_END {
+ print <<"EOT";
+<p class="footer">
+ <a href="/" rel="start">sheet.shiar.nl</a>/$file.<a href="/source/$file.plp"
+ rel="source" title="Written in Perl">plp</a>
+ version <a href="http://git.shiar.nl/sheet.git/history/HEAD:/$file.plp"
+ rel="vcs-git" title="Git repository">$meta->{version}</a>
+ created by <a href="http://shiar.nl/" rel="author">Shiar</a> •
+ <a href="http://www.fsf.org/licensing/licenses/agpl-3.0.html"
+ title="Licensed under the GNU Affero General Public License, version 3"
+ rel="license">AGPLv3</a>
+EOT
+ say sprintf '• %.3fs', Time::HiRes::tv_interval($Time) if $Dev and $Time;
+ say '</p>';
+ say '';
+ say '</html>';
+ };
+}
+
+sub showlink {
+ my ($title, $href, $selected) = @_;
+ return sprintf(
+ !$href ? '%s' :
+ $selected ? '<strong>%s</strong>' : '<a href="%2$s">%s</a>',
+ EscapeHTML($title), EscapeHTML($href)
+ );
}
git.shiar.nl / sheet.git / blobdiff