9 use vars qw{%config %links %oldlinks %oldpagemtime %pagectime
10 %renderedfiles %pagesources %depends %hooks};
12 sub defaultconfig () { #{{{
13 wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$|\.rss$)},
14 wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/,
15 wiki_processor_regexp => qr/\[\[(\w+)\s+([^\]]*)\]\]/,
16 wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/,
19 default_pageext => ".mdwn",
38 templatedir => "/usr/share/ikiwiki/templates",
39 underlaydir => "/usr/share/ikiwiki/basewiki",
43 plugin => [qw{inline htmlscrubber}],
47 sub checkconfig () { #{{{
48 if ($config{cgi} && ! length $config{url}) {
49 error("Must specify url to wiki with --url when using --cgi\n");
51 if ($config{rss} && ! length $config{url}) {
52 error("Must specify url to wiki with --url when using --rss\n");
55 $config{wikistatedir}="$config{srcdir}/.ikiwiki"
56 unless exists $config{wikistatedir};
59 eval qq{require IkiWiki::Rcs::$config{rcs}};
61 error("Failed to load RCS module IkiWiki::Rcs::$config{rcs}: $@");
65 require IkiWiki::Rcs::Stub;
68 foreach my $plugin (@{$config{plugin}}) {
69 my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
72 error("Failed to load plugin $mod: $@");
76 if (exists $hooks{checkconfig}) {
77 foreach my $id (keys %{$hooks{checkconfig}}) {
78 $hooks{checkconfig}{$id}{call}->();
85 print "Content-type: text/html\n\n";
86 print misctemplate("Error", "<p>Error: @_</p>");
92 return unless $config{verbose};
101 sub possibly_foolish_untaint ($) { #{{{
103 my ($untainted)=$tainted=~/(.*)/;
107 sub basename ($) { #{{{
114 sub dirname ($) { #{{{
121 sub pagetype ($) { #{{{
124 if ($page =~ /\.mdwn$/) {
132 sub pagename ($) { #{{{
135 my $type=pagetype($file);
137 $page=~s/\Q$type\E*$// unless $type eq 'unknown';
141 sub htmlpage ($) { #{{{
144 return $page.".html";
147 sub srcfile ($) { #{{{
150 return "$config{srcdir}/$file" if -e "$config{srcdir}/$file";
151 return "$config{underlaydir}/$file" if -e "$config{underlaydir}/$file";
152 error("internal error: $file cannot be found");
155 sub readfile ($;$) { #{{{
160 error("cannot read a symlink ($file)");
164 open (IN, $file) || error("failed to read $file: $!");
165 binmode(IN) if $binary;
171 sub writefile ($$$;$) { #{{{
172 my $file=shift; # can include subdirs
173 my $destdir=shift; # directory to put file in
178 while (length $test) {
179 if (-l "$destdir/$test") {
180 error("cannot write to a symlink ($test)");
182 $test=dirname($test);
185 my $dir=dirname("$destdir/$file");
188 foreach my $s (split(m!/+!, $dir)) {
191 mkdir($d) || error("failed to create directory $d: $!");
196 open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!");
197 binmode(OUT) if $binary;
202 sub bestlink ($$) { #{{{
203 # Given a page and the text of a link on the page, determine which
204 # existing page that link best points to. Prefers pages under a
205 # subdirectory with the same name as the source page, failing that
206 # goes down the directory tree to the base looking for matching
214 $l.="/" if length $l;
217 if (exists $links{$l}) {
218 #debug("for $page, \"$link\", use $l");
221 } while $cwd=~s!/?[^/]+$!!;
223 #print STDERR "warning: page $page, broken link: $link\n";
227 sub isinlinableimage ($) { #{{{
230 $file=~/\.(png|gif|jpg|jpeg)$/i;
233 sub pagetitle ($) { #{{{
235 $page=~s/__(\d+)__/&#$1;/g;
240 sub titlepage ($) { #{{{
243 $title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg;
247 sub cgiurl (@) { #{{{
250 return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params);
253 sub styleurl (;$) { #{{{
256 return "$config{url}/style.css" if ! defined $page;
259 $page=~s/[^\/]+\//..\//g;
260 return $page."style.css";
263 sub htmllink ($$;$$$) { #{{{
266 my $noimageinline=shift; # don't turn links into inline html images
267 my $forcesubpage=shift; # force a link to a subpage
268 my $linktext=shift; # set to force the link text to something
271 if (! $forcesubpage) {
272 $bestlink=bestlink($page, $link);
275 $bestlink="$page/".lc($link);
278 $linktext=pagetitle(basename($link)) unless defined $linktext;
280 return $linktext if length $bestlink && $page eq $bestlink;
282 # TODO BUG: %renderedfiles may not have it, if the linked to page
283 # was also added and isn't yet rendered! Note that this bug is
284 # masked by the bug mentioned below that makes all new files
286 if (! grep { $_ eq $bestlink } values %renderedfiles) {
287 $bestlink=htmlpage($bestlink);
289 if (! grep { $_ eq $bestlink } values %renderedfiles) {
290 return "<span><a href=\"".
291 cgiurl(do => "create", page => $link, from =>$page).
292 "\">?</a>$linktext</span>"
295 $bestlink=File::Spec->abs2rel($bestlink, dirname($page));
297 if (! $noimageinline && isinlinableimage($bestlink)) {
298 return "<img src=\"$bestlink\" alt=\"$linktext\" />";
300 return "<a href=\"$bestlink\">$linktext</a>";
303 sub indexlink () { #{{{
304 return "<a href=\"$config{url}\">$config{wikiname}</a>";
307 sub lockwiki () { #{{{
308 # Take an exclusive lock on the wiki to prevent multiple concurrent
309 # run issues. The lock will be dropped on program exit.
310 if (! -d $config{wikistatedir}) {
311 mkdir($config{wikistatedir});
313 open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
314 error ("cannot write to $config{wikistatedir}/lockfile: $!");
315 if (! flock(WIKILOCK, 2 | 4)) {
316 debug("wiki seems to be locked, waiting for lock");
317 my $wait=600; # arbitrary, but don't hang forever to
318 # prevent process pileup
320 return if flock(WIKILOCK, 2 | 4);
323 error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
327 sub unlockwiki () { #{{{
331 sub loadindex () { #{{{
332 open (IN, "$config{wikistatedir}/index") || return;
334 $_=possibly_foolish_untaint($_);
338 foreach my $i (split(/ /, $_)) {
339 my ($item, $val)=split(/=/, $i, 2);
340 push @{$items{$item}}, $val;
343 next unless exists $items{src}; # skip bad lines for now
345 my $page=pagename($items{src}[0]);
346 if (! $config{rebuild}) {
347 $pagesources{$page}=$items{src}[0];
348 $oldpagemtime{$page}=$items{mtime}[0];
349 $oldlinks{$page}=[@{$items{link}}];
350 $links{$page}=[@{$items{link}}];
351 $depends{$page}=join(" ", @{$items{depends}})
352 if exists $items{depends};
353 $renderedfiles{$page}=$items{dest}[0];
355 $pagectime{$page}=$items{ctime}[0];
360 sub saveindex () { #{{{
361 if (! -d $config{wikistatedir}) {
362 mkdir($config{wikistatedir});
364 open (OUT, ">$config{wikistatedir}/index") ||
365 error("cannot write to $config{wikistatedir}/index: $!");
366 foreach my $page (keys %oldpagemtime) {
367 next unless $oldpagemtime{$page};
368 my $line="mtime=$oldpagemtime{$page} ".
369 "ctime=$pagectime{$page} ".
370 "src=$pagesources{$page} ".
371 "dest=$renderedfiles{$page}";
372 $line.=" link=$_" foreach @{$links{$page}};
373 if (exists $depends{$page}) {
374 $line.=" depends=$_" foreach split " ", $depends{$page};
376 print OUT $line."\n";
381 sub misctemplate ($$) { #{{{
385 my $template=HTML::Template->new(
386 filename => "$config{templatedir}/misc.tmpl"
390 indexlink => indexlink(),
391 wikiname => $config{wikiname},
392 pagebody => $pagebody,
393 styleurl => styleurl(),
394 baseurl => "$config{url}/",
396 return $template->output;
399 sub glob_match ($$) { #{{{
403 # turn glob into safe regexp
404 $glob=quotemeta($glob);
412 sub globlist_match ($$) { #{{{
414 my @globlist=split(" ", shift);
416 # check any negated globs first
417 foreach my $glob (@globlist) {
418 return 0 if $glob=~/^!(.*)/ && glob_match($page, $1);
421 foreach my $glob (@globlist) {
422 return 1 if glob_match($page, $glob);
431 if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
432 error "hook requires type, call, and id parameters";
435 $hooks{$param{type}}{$param{id}}=\%param;