X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/c00e496bd055a1534e6643080c89262b82c30111..HEAD:/source.plp diff --git a/source.plp b/source.plp index 68808d8..cf22e34 100644 --- a/source.plp +++ b/source.plp @@ -1,77 +1,149 @@ -<: -use utf8; -use strict; -use warnings; +<(common.inc.plp)><: -our $VERSION = 'v1.0'; +my $source = $Request; +my $incname = qr{ [a-z][/a-z0-9_.-]* \.(?:plp?|css|js|txt) }x; -$header{content_type} = "text/html; charset=utf-8"; +if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) { + # convert perl include to json construct + checkmodified($source); + eval { + my $data = do $source or die $@ || $! || 'read error'; + require JSON; + my $converter = JSON->new; + $converter->indent->space_after->canonical; -:> - + $header{content_type} = 'application/json'; + $header{'Access-Control-Allow-Origin'} = '*'; + $header{content_type} = 'text/plain' if exists $get{debug}; + print $_, '(' for $get{callback} // (); + print $converter->encode($data); + print ')' for $get{callback} // (); + return 1; + } or do { + $header{status} = '500 File unavailable'; + $header{content_type} = 'text/plain'; + print "Conversion failed: $@"; + }; + exit; +} - - -sheet page source code - - +Html({ + title => "$source source code", + version => '1.3', + description => !$source ? 'Index of source files for this site.' : [ + "Source code of the $source file at this site,", + "with syntax highlighted and references linked." + ], + keywords => [qw' + sheet cheat source code perl plp html agpl + '], + stylesheet => [qw'light dark mono red'], + data => [$source =~ m{\A($incname)\z}], +}); - -<: +say ''; -my $source = $ENV{PATH_INFO}; -$source =~ s{^/}{}; -print "

Source of $source

\n"; +if (not $source or -d $source) { + PLP_START { + print "

Source files

"; + }; -if ($source =~ m{(?:/|^)\.}) { - die "File request not permitted\n"; -} -elsif ($source =~ s{::}{/}g or !-e $source) { - $source .= '.pm'; - for (0 .. $#{@INC}) { - -e ($_ = "$INC[$_]/$source") or next; - $source = $_; - last; + if ($source and $source ne 'tools') { + Abort("Directory index not permitted", '403 source not allowed'); + } + + print "

Project code distributed under the AGPL. Please contribute back.

"; + say '

', showlink($_, "/source/$_"); } + say "

\n"; } --r $source or die "Requested file not found\n"; - -require Text::VimColor; -delete $Text::VimColor::SYNTAX_TYPE{Underlined}; -my %TYPETAG = ( - Statement => 'strong', - Error => 'em', - Todo => 'em', -); - -my $hl = Text::VimColor->new( - file => $source, - vim_options => [@Text::VimColor::VIM_OPTIONS, '+:set enc=utf-8'], -); -my $parsed = $hl->marked; -print "

\n";
-foreach (@$parsed) {
-	my $tag = $_->[0] && ($TYPETAG{ $_->[0] } || 'span');
-	my $arg = '';
-	print "<$tag$arg class=\"sy-\l$_->[0]\">" if $tag;
-	if ($_->[0] eq 'Constant' and $_->[1] =~ s/^(')([a-z0-9_.]+\.plp?)(?=\1$)//) {
-		printf '%s%s', $1, "/source/$2", $2;
+else {
+	my $href = showlink($source, $source =~ m{\A (\w+) \.plp \z}x && "/$1");
+	PLP_START {
+		say "Source of $href";
+	};
+
+	my $path = $source;
+	if ($source =~ m{(?:/|^)\.}) {
+		Abort("File request not permitted", '403 source not allowed');
+	}
+	elsif ($source =~ s{::}{/}g or !-e $source) {
+		$source .= '.pm';
+		for (0 .. $#INC) {
+			-e ($_ = "$INC[$_]/$source") or next;
+			$path = $_;
+			last;
+		}
 	}
-	if (!$_->[0] and $_->[1] =~ s/^([A-Z]\w+(?:::\w+)+)(?![^;\s])//) {
-		printf '%s', "/source/$1", $1;
+	-r $path or Abort("Requested file not found", '404 source not found');
+	my $size = (stat $path)->[7];
+
+	my $cachefile = "source/$source.html";
+	if (-e $cachefile and (stat $cachefile)->[9] >= (stat $path)->[9]) {
+		say '';
+		print decode_utf8(ReadFile($cachefile));
+		say '';
+		exit;
 	}
-	print Text::VimColor::_xml_escape($_->[1]);
-	print "" if $tag;
+	-e or mkdir for $cachefile =~ s{[^/]+\z}{}r; # dirname
+	open my $cache, '>', $cachefile
+		or Alert("Could not save cache", "Opening $cachefile failed: $!");;
+
+	if (my $hl = eval {
+		$size < 32_768 or die 'large files take too long to parse';
+		require Text::VimColor;
+		Text::VimColor->VERSION(0.12)
+			or die 'early versions are buggy under FastCGI';
+		delete $Text::VimColor::SYNTAX_TYPE{Underlined};
+		return Text::VimColor->new(
+			file => $path,
+			vim_options => [@Text::VimColor::VIM_OPTIONS,
+				'+:set enc=utf-8',
+				'+:let perl_sub_signatures=1',
+			],
+		)->marked;
+	}) {
+		my %TYPETAG = (
+			Statement => 'strong',
+			Error     => 'em',
+			Todo      => 'em',
+			PreProc   => 'strong',
+		);
+
+		say '';
+		foreach (@{$hl}) {
+			my ($type, $contents) = @{$_};
+			$contents = decode_utf8($contents);
+			my $tag = $type && ($TYPETAG{$type} || 'span');
+			my $line = Text::VimColor::_xml_escape($contents);
+
+			# link other page sources, stylesheets, and javascript
+			$line =~ s{ ^(['"]?) \K ($incname) (?=\1$) }{ showlink($2, "/source/$2") }xe
+				if !$type || $type eq 'Constant';
+			# link relative page locations in html output
+			$line =~ s{ ^(")\K (/\w+) (?= (?:/\w+)* \1$) }{ showlink($2, "/source$2.plp") }xe
+				if $type && $type eq 'Constant';
+			# link perl module names (Xx::Xx...)
+			$line =~ s{ ^\s* \K ([A-Z]\w+(?:::\w+)+) (?![^;\s]) }{ showlink($1, "/source/$1") }xe
+				if !$type;
+			# link generator scripts (by tools/...)
+			$line =~ s{ ^.*? by\  \K (tools/\S+) }{ showlink($1, "/source/$1") }xe
+				if $type && $type eq 'Comment';
+
+			$line = qq(<$tag class="sy-\l$type">$line) if $tag;
+			print $line;
+			print {$cache} $line if $cache;
+		}
+		say '';
+	}
+	else {
+		say '';
+		print EscapeHTML(decode_utf8(ReadFile($path)));
+		say '';
+	}
+
+	say '';
 }
-print "

\n"; -:> - - - +