8 use open qw{:utf8 :std};
10 use vars qw{%config %links %oldlinks %oldpagemtime %pagectime %pagecase
11 %renderedfiles %oldrenderedfiles %pagesources %depends %hooks
14 use Exporter q{import};
15 our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
16 bestlink htmllink readfile writefile pagetype srcfile pagename
17 displaytime will_render
18 %config %links %renderedfiles %pagesources);
19 our $VERSION = 1.01; # plugin interface version
24 memoize("pagespec_translate");
26 my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
27 our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
29 sub defaultconfig () { #{{{
30 wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.x?html?$|\.rss$|\.atom$|.arch-ids/|{arch}/)},
31 wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/,
32 wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/,
33 web_commit_regexp => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/,
37 default_pageext => "mdwn",
60 templatedir => "$installdir/share/ikiwiki/templates",
61 underlaydir => "$installdir/share/ikiwiki/basewiki",
65 plugin => [qw{mdwn inline htmlscrubber passwordauth}],
72 sub checkconfig () { #{{{
73 # locale stuff; avoid LC_ALL since it overrides everything
74 if (defined $ENV{LC_ALL}) {
75 $ENV{LANG} = $ENV{LC_ALL};
78 if (defined $config{locale}) {
81 $ENV{LANG} = $config{locale}
82 if POSIX::setlocale(&POSIX::LC_TIME, $config{locale});
85 if ($config{w3mmode}) {
86 eval q{use Cwd q{abs_path}};
88 $config{srcdir}=possibly_foolish_untaint(abs_path($config{srcdir}));
89 $config{destdir}=possibly_foolish_untaint(abs_path($config{destdir}));
90 $config{cgiurl}="file:///\$LIB/ikiwiki-w3m.cgi/".$config{cgiurl}
91 unless $config{cgiurl} =~ m!file:///!;
92 $config{url}="file://".$config{destdir};
95 if ($config{cgi} && ! length $config{url}) {
96 error("Must specify url to wiki with --url when using --cgi\n");
98 if (($config{rss} || $config{atom}) && ! length $config{url}) {
99 error("Must specify url to wiki with --url when using --rss or --atom\n");
102 $config{wikistatedir}="$config{srcdir}/.ikiwiki"
103 unless exists $config{wikistatedir};
106 eval qq{require IkiWiki::Rcs::$config{rcs}};
108 error("Failed to load RCS module IkiWiki::Rcs::$config{rcs}: $@");
112 require IkiWiki::Rcs::Stub;
115 run_hooks(checkconfig => sub { shift->() });
118 sub loadplugins () { #{{{
119 loadplugin($_) foreach @{$config{plugin}};
121 run_hooks(getopt => sub { shift->() });
122 if (grep /^-/, @ARGV) {
123 print STDERR "Unknown option: $_\n"
124 foreach grep /^-/, @ARGV;
129 sub loadplugin ($) { #{{{
132 my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
135 error("Failed to load plugin $mod: $@");
141 print "Content-type: text/html\n\n";
142 print misctemplate("Error", "<p>Error: @_</p>");
144 log_message(error => @_);
149 return unless $config{verbose};
150 log_message(debug => @_);
154 sub log_message ($$) { #{{{
157 if ($config{syslog}) {
160 Sys::Syslog::setlogsock('unix');
161 Sys::Syslog::openlog('ikiwiki', '', 'user');
165 Sys::Syslog::syslog($type, join(" ", @_));
168 elsif (! $config{cgi}) {
176 sub possibly_foolish_untaint ($) { #{{{
178 my ($untainted)=$tainted=~/(.*)/;
182 sub basename ($) { #{{{
189 sub dirname ($) { #{{{
196 sub pagetype ($) { #{{{
199 if ($page =~ /\.([^.]+)$/) {
200 return $1 if exists $hooks{htmlize}{$1};
205 sub pagename ($) { #{{{
208 my $type=pagetype($file);
210 $page=~s/\Q.$type\E*$// if defined $type;
214 sub htmlpage ($) { #{{{
217 return $page.".html";
220 sub srcfile ($) { #{{{
223 return "$config{srcdir}/$file" if -e "$config{srcdir}/$file";
224 return "$config{underlaydir}/$file" if -e "$config{underlaydir}/$file";
225 error("internal error: $file cannot be found");
228 sub readfile ($;$) { #{{{
233 error("cannot read a symlink ($file)");
237 open (IN, $file) || error("failed to read $file: $!");
238 binmode(IN) if ($binary);
244 sub writefile ($$$;$) { #{{{
245 my $file=shift; # can include subdirs
246 my $destdir=shift; # directory to put file in
251 while (length $test) {
252 if (-l "$destdir/$test") {
253 error("cannot write to a symlink ($test)");
255 $test=dirname($test);
258 my $dir=dirname("$destdir/$file");
261 foreach my $s (split(m!/+!, $dir)) {
264 mkdir($d) || error("failed to create directory $d: $!");
269 open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!");
270 binmode(OUT) if ($binary);
276 sub will_render ($$;$) { #{{{
281 # Important security check.
282 if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
283 ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}})) {
284 error("$config{destdir}/$dest independently created, not overwriting with version from $page");
287 if (! $clear || $cleared{$page}) {
288 $renderedfiles{$page}=[$dest, grep { $_ ne $dest } @{$renderedfiles{$page}}];
291 $renderedfiles{$page}=[$dest];
296 sub bestlink ($$) { #{{{
303 $l.="/" if length $l;
306 if (exists $links{$l}) {
309 elsif (exists $pagecase{lc $l}) {
310 return $pagecase{lc $l};
312 } while $cwd=~s!/?[^/]+$!!;
314 #print STDERR "warning: page $page, broken link: $link\n";
318 sub isinlinableimage ($) { #{{{
321 $file=~/\.(png|gif|jpg|jpeg)$/i;
324 sub pagetitle ($) { #{{{
326 $page=~s/__(\d+)__/&#$1;/g;
331 sub titlepage ($) { #{{{
334 $title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg;
338 sub cgiurl (@) { #{{{
341 return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params);
344 sub baseurl (;$) { #{{{
347 return "$config{url}/" if ! defined $page;
350 $page=~s/[^\/]+\//..\//g;
354 sub abs2rel ($$) { #{{{
355 # Work around very innefficient behavior in File::Spec if abs2rel
356 # is passed two relative paths. It's much faster if paths are
357 # absolute! (Debian bug #376658)
362 my $ret=File::Spec->abs2rel($path, $base);
363 $ret=~s/^// if defined $ret;
367 sub displaytime ($) { #{{{
372 # strftime doesn't know about encodings, so make sure
373 # its output is properly treated as utf8
374 return decode_utf8(POSIX::strftime(
375 $config{timeformat}, localtime($time)));
378 sub htmllink ($$$;$$$) { #{{{
379 my $lpage=shift; # the page doing the linking
380 my $page=shift; # the page that will contain the link (different for inline)
382 my $noimageinline=shift; # don't turn links into inline html images
383 my $forcesubpage=shift; # force a link to a subpage
384 my $linktext=shift; # set to force the link text to something
387 if (! $forcesubpage) {
388 $bestlink=bestlink($lpage, $link);
391 $bestlink="$lpage/".lc($link);
394 $linktext=pagetitle(basename($link)) unless defined $linktext;
396 return "<span class=\"selflink\">$linktext</span>"
397 if length $bestlink && $page eq $bestlink;
399 if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) {
400 $bestlink=htmlpage($bestlink);
402 if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) {
403 return "<span><a href=\"".
404 cgiurl(do => "create", page => lc($link), from => $page).
405 "\">?</a>$linktext</span>"
408 $bestlink=abs2rel($bestlink, dirname($page));
410 if (! $noimageinline && isinlinableimage($bestlink)) {
411 return "<img src=\"$bestlink\" alt=\"$linktext\" />";
413 return "<a href=\"$bestlink\">$linktext</a>";
416 sub htmlize ($$$) { #{{{
421 if (exists $hooks{htmlize}{$type}) {
422 $content=$hooks{htmlize}{$type}{call}->(
428 error("htmlization of $type not supported");
431 run_hooks(sanitize => sub {
441 sub linkify ($$$) { #{{{
442 my $lpage=shift; # the page containing the links
443 my $page=shift; # the page the link will end up on (different for inline)
446 $content =~ s{(\\?)$config{wiki_link_regexp}}{
447 $2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
448 : ( $1 ? "[[$3]]" : htmllink($lpage, $page, titlepage($3)))
455 sub preprocess ($$$;$) { #{{{
456 my $page=shift; # the page the data comes from
457 my $destpage=shift; # the page the data will appear in (different for inline)
465 if (length $escape) {
466 return "[[$command $params]]";
468 elsif (exists $hooks{preprocess}{$command}) {
469 return "" if $scan && ! $hooks{preprocess}{$command}{scan};
470 # Note: preserve order of params, some plugins may
471 # consider it significant.
473 while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
490 push @params, $key, $val;
493 push @params, $val, '';
496 if ($preprocessing{$page}++ > 3) {
497 # Avoid loops of preprocessed pages preprocessing
498 # other pages that preprocess them, etc.
499 return "[[$command preprocessing loop detected on $page at depth $preprocessing{$page}]]";
501 my $ret=$hooks{preprocess}{$command}{call}->(
504 destpage => $destpage,
506 $preprocessing{$page}--;
510 return "[[$command $params]]";
514 $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
518 sub filter ($$) { #{{{
522 run_hooks(filter => sub {
523 $content=shift->(page => $page, content => $content);
529 sub indexlink () { #{{{
530 return "<a href=\"$config{url}\">$config{wikiname}</a>";
533 sub lockwiki () { #{{{
534 # Take an exclusive lock on the wiki to prevent multiple concurrent
535 # run issues. The lock will be dropped on program exit.
536 if (! -d $config{wikistatedir}) {
537 mkdir($config{wikistatedir});
539 open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
540 error ("cannot write to $config{wikistatedir}/lockfile: $!");
541 if (! flock(WIKILOCK, 2 | 4)) {
542 debug("wiki seems to be locked, waiting for lock");
543 my $wait=600; # arbitrary, but don't hang forever to
544 # prevent process pileup
546 return if flock(WIKILOCK, 2 | 4);
549 error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
553 sub unlockwiki () { #{{{
557 sub loadindex () { #{{{
558 open (IN, "$config{wikistatedir}/index") || return;
560 $_=possibly_foolish_untaint($_);
565 foreach my $i (split(/ /, $_)) {
566 my ($item, $val)=split(/=/, $i, 2);
567 push @{$items{$item}}, decode_entities($val);
570 next unless exists $items{src}; # skip bad lines for now
572 my $page=pagename($items{src}[0]);
573 if (! $config{rebuild}) {
574 $pagesources{$page}=$items{src}[0];
575 $oldpagemtime{$page}=$items{mtime}[0];
576 $oldlinks{$page}=[@{$items{link}}];
577 $links{$page}=[@{$items{link}}];
578 $depends{$page}=$items{depends}[0] if exists $items{depends};
579 $renderedfiles{$page}=[@{$items{dest}}];
580 $oldrenderedfiles{$page}=[@{$items{dest}}];
581 $pagecase{lc $page}=$page;
583 $pagectime{$page}=$items{ctime}[0];
588 sub saveindex () { #{{{
589 run_hooks(savestate => sub { shift->() });
591 if (! -d $config{wikistatedir}) {
592 mkdir($config{wikistatedir});
594 open (OUT, ">$config{wikistatedir}/index") ||
595 error("cannot write to $config{wikistatedir}/index: $!");
596 foreach my $page (keys %oldpagemtime) {
597 next unless $oldpagemtime{$page};
598 my $line="mtime=$oldpagemtime{$page} ".
599 "ctime=$pagectime{$page} ".
600 "src=$pagesources{$page}";
601 $line.=" dest=$_" foreach @{$renderedfiles{$page}};
603 $line.=" link=$_" foreach grep { ++$count{$_} == 1 } @{$links{$page}};
604 if (exists $depends{$page}) {
605 $line.=" depends=".encode_entities($depends{$page}, " \t\n");
607 print OUT $line."\n";
612 sub template_params (@) { #{{{
615 require HTML::Template;
616 return filter => sub {
617 my $text_ref = shift;
618 $$text_ref=&Encode::decode_utf8($$text_ref);
620 filename => "$config{templatedir}/$filename",
621 loop_context_vars => 1,
622 die_on_bad_params => 0,
626 sub template ($;@) { #{{{
627 HTML::Template->new(template_params(@_));
630 sub misctemplate ($$;@) { #{{{
634 my $template=template("misc.tmpl");
637 indexlink => indexlink(),
638 wikiname => $config{wikiname},
639 pagebody => $pagebody,
640 baseurl => baseurl(),
643 run_hooks(pagetemplate => sub {
644 shift->(page => "", destpage => "", template => $template);
646 return $template->output;
652 if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
653 error "hook requires type, call, and id parameters";
656 return if $param{no_override} && exists $hooks{$param{type}}{$param{id}};
658 $hooks{$param{type}}{$param{id}}=\%param;
661 sub run_hooks ($$) { # {{{
662 # Calls the given sub for each hook of the given type,
663 # passing it the hook function to call.
667 if (exists $hooks{$type}) {
669 foreach my $id (keys %{$hooks{$type}}) {
670 if ($hooks{$type}{$id}{last}) {
674 $sub->($hooks{$type}{$id}{call});
676 foreach my $id (@deferred) {
677 $sub->($hooks{$type}{$id}{call});
682 sub globlist_to_pagespec ($) { #{{{
683 my @globlist=split(' ', shift);
686 foreach my $glob (@globlist) {
687 if ($glob=~/^!(.*)/) {
695 my $spec=join(" or ", @spec);
697 my $skip=join(" and ", @skip);
699 $spec="$skip and ($spec)";
708 sub is_globlist ($) { #{{{
710 $s=~/[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or";
713 sub safequote ($) { #{{{
719 sub pagespec_merge ($$) { #{{{
723 return $a if $a eq $b;
725 # Support for old-style GlobLists.
726 if (is_globlist($a)) {
727 $a=globlist_to_pagespec($a);
729 if (is_globlist($b)) {
730 $b=globlist_to_pagespec($b);
733 return "($a) or ($b)";
736 sub pagespec_translate ($) { #{{{
737 # This assumes that $page is in scope in the function
738 # that evalulates the translated pagespec code.
741 # Support for old-style GlobLists.
742 if (is_globlist($spec)) {
743 $spec=globlist_to_pagespec($spec);
746 # Convert spec to perl code.
748 while ($spec=~m/\s*(\!|\(|\)|\w+\([^\)]+\)|[^\s()]+)\s*/ig) {
750 if (lc $word eq "and") {
753 elsif (lc $word eq "or") {
756 elsif ($word eq "(" || $word eq ")" || $word eq "!") {
759 elsif ($word =~ /^(link|backlink|created_before|created_after|creation_month|creation_year|creation_day)\((.+)\)$/) {
760 $code.=" match_$1(\$page, ".safequote($2).")";
763 $code.=" match_glob(\$page, ".safequote($word).")";
770 sub add_depends ($$) { #{{{
774 if (! exists $depends{$page}) {
775 $depends{$page}=$pagespec;
778 $depends{$page}=pagespec_merge($depends{$page}, $pagespec);
782 sub pagespec_match ($$) { #{{{
786 return eval pagespec_translate($spec);
789 sub match_glob ($$) { #{{{
793 # turn glob into safe regexp
794 $glob=quotemeta($glob);
798 return $page=~/^$glob$/i;
801 sub match_link ($$) { #{{{
805 my $links = $links{$page} or return undef;
806 foreach my $p (@$links) {
807 return 1 if lc $p eq $link;
812 sub match_backlink ($$) { #{{{
813 match_link(pop, pop);
816 sub match_created_before ($$) { #{{{
820 if (exists $pagectime{$testpage}) {
821 return $pagectime{$page} < $pagectime{$testpage};
828 sub match_created_after ($$) { #{{{
832 if (exists $pagectime{$testpage}) {
833 return $pagectime{$page} > $pagectime{$testpage};
840 sub match_creation_day ($$) { #{{{
841 return ((gmtime($pagectime{shift()}))[3] == shift);
844 sub match_creation_month ($$) { #{{{
845 return ((gmtime($pagectime{shift()}))[4] + 1 == shift);
848 sub match_creation_year ($$) { #{{{
849 return ((gmtime($pagectime{shift()}))[5] + 1900 == shift);