+#!/usr/bin/perl
+
package IkiWiki;
use warnings;
use strict;
-use File::Spec;
-
-sub linkify ($$) { #{{{
- my $content=shift;
- my $page=shift;
-
- $content =~ s{(\\?)$config{wiki_link_regexp}}{
- $1 ? "[[$2]]" : htmllink($page, $2)
- }eg;
-
- return $content;
-} #}}}
-
-sub htmlize ($$) { #{{{
- my $type=shift;
- my $content=shift;
-
- if (! $INC{"/usr/bin/markdown"}) {
- no warnings 'once';
- $blosxom::version="is a proper perl module too much to ask?";
- use warnings 'all';
- do "/usr/bin/markdown";
- }
-
- if ($type eq '.mdwn') {
- return Markdown::Markdown($content);
- }
- else {
- error("htmlization of $type not supported");
+use IkiWiki;
+use Encode;
+
+my %backlinks;
+my $backlinks_calculated=0;
+
+sub calculate_backlinks () { #{{{
+ return if $backlinks_calculated;
+ %backlinks=();
+ foreach my $page (keys %links) {
+ foreach my $link (@{$links{$page}}) {
+ my $bestlink=bestlink($page, $link);
+ if (length $bestlink && $bestlink ne $page) {
+ $backlinks{$bestlink}{$page}=1;
+ }
+ }
}
+ $backlinks_calculated=1;
} #}}}
sub backlinks ($) { #{{{
my $page=shift;
+ calculate_backlinks();
+
my @links;
- foreach my $p (keys %links) {
- next if bestlink($page, $p) eq $page;
- if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
- my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
-
- # Trim common dir prefixes from both pages.
- my $p_trimmed=$p;
- my $page_trimmed=$page;
- my $dir;
- 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
- defined $dir &&
- $p_trimmed=~s/^\Q$dir\E// &&
- $page_trimmed=~s/^\Q$dir\E//;
-
- push @links, { url => $href, page => $p_trimmed };
- }
+ foreach my $p (keys %{$backlinks{$page}}) {
+ my $href=urlto($p, $page);
+
+ # Trim common dir prefixes from both pages.
+ my $p_trimmed=$p;
+ my $page_trimmed=$page;
+ my $dir;
+ 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
+ defined $dir &&
+ $p_trimmed=~s/^\Q$dir\E// &&
+ $page_trimmed=~s/^\Q$dir\E//;
+
+ push @links, { url => $href, page => pagetitle($p_trimmed) };
}
-
- return sort { $a->{page} cmp $b->{page} } @links;
+ return @links;
} #}}}
sub parentlinks ($) { #{{{
my @ret;
my $pagelink="";
my $path="";
- my $skip=1;
- foreach my $dir (reverse split("/", $page)) {
- if (! $skip) {
- $path.="../";
- unshift @ret, { url => "$path$dir.html", page => $dir };
- }
- else {
- $skip=0;
- }
+ my $title=$config{wikiname};
+
+ foreach my $dir (split("/", $page)) {
+ next if $dir eq 'index';
+ push @ret, { url => urlto($path, $page), page => $title };
+ $path.="/".$dir;
+ $title=pagetitle($dir);
}
- unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
return @ret;
} #}}}
-sub rsspage ($) { #{{{
+sub genpage ($$) { #{{{
my $page=shift;
-
- return $page.".rss";
-} #}}}
-
-sub genpage ($$$) { #{{{
my $content=shift;
- my $page=shift;
- my $mtime=shift;
- my $title=pagetitle(basename($page));
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/page.tmpl");
-
- if (length $config{cgiurl}) {
- $template->param(editurl => "$config{cgiurl}?do=edit&page=$page");
- $template->param(prefsurl => "$config{cgiurl}?do=prefs");
- if ($config{rcs}) {
- $template->param(recentchangesurl => "$config{cgiurl}?do=recentchanges");
+ my $templatefile;
+ run_hooks(templatefile => sub {
+ return if defined $templatefile;
+ my $file=shift->(page => $page);
+ if (defined $file && defined template_file($file)) {
+ $templatefile=$file;
}
- }
+ });
+ my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
+ my $actions=0;
+ if (length $config{cgiurl}) {
+ $template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
+ $template->param(prefsurl => cgiurl(do => "prefs"));
+ $actions++;
+ }
+
if (length $config{historyurl}) {
my $u=$config{historyurl};
$u=~s/\[\[file\]\]/$pagesources{$page}/g;
$template->param(historyurl => $u);
+ $actions++;
+ }
+ if ($config{discussion}) {
+ my $discussionlink=gettext("discussion");
+ if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+ (length $config{cgiurl} ||
+ exists $links{$page."/".$discussionlink})) {
+ $template->param(discussionlink => htmllink($page, $page, gettext("Discussion"), noimageinline => 1, forcesubpage => 1));
+ $actions++;
+ }
}
- if ($config{rss}) {
- $template->param(rssurl => rsspage($page));
+ if ($actions) {
+ $template->param(have_actions => 1);
}
-
+
+ my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
+ my ($backlinks, $more_backlinks);
+ if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
+ $backlinks=\@backlinks;
+ $more_backlinks=[];
+ }
+ else {
+ $backlinks=[@backlinks[0..$config{numbacklinks}-1]];
+ $more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
+ }
+
$template->param(
- title => $title,
+ title => $page eq 'index'
+ ? $config{wikiname}
+ : pagetitle(basename($page)),
wikiname => $config{wikiname},
parentlinks => [parentlinks($page)],
content => $content,
- backlinks => [backlinks($page)],
- discussionlink => htmllink($page, "Discussion", 1, 1),
- mtime => scalar(gmtime($mtime)),
+ backlinks => $backlinks,
+ more_backlinks => $more_backlinks,
+ mtime => displaytime($pagemtime{$page}),
+ ctime => displaytime($pagectime{$page}),
+ baseurl => baseurl($page),
);
-
- return $template->output;
-} #}}}
-
-sub date_822 ($) { #{{{
- my $time=shift;
- eval q{use POSIX};
- return POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
-} #}}}
+ run_hooks(pagetemplate => sub {
+ shift->(page => $page, destpage => $page, template => $template);
+ });
+
+ $content=$template->output;
-sub absolute_urls ($$) { #{{{
- my $content=shift;
- my $url=shift;
+ run_hooks(format => sub {
+ $content=shift->(
+ page => $page,
+ content => $content,
+ );
+ });
- $url=~s/[^\/]+$//;
-
- $content=~s/<a\s+href="(?!http:\/\/)([^"]+)"/<a href="$url$1"/ig;
- $content=~s/<img\s+src="(?!http:\/\/)([^"]+)"/<img src="$url$1"/ig;
return $content;
} #}}}
-sub genrss ($$$) { #{{{
- my $content=shift;
- my $page=shift;
- my $mtime=shift;
-
- my $url="$config{url}/".htmlpage($page);
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/rsspage.tmpl");
-
- # Regular page gets a feed that is updated every time the
- # page is changed, so the mtime is encoded in the guid.
- my @items=(
- {
- itemtitle => pagetitle(basename($page)),
- itemguid => "$url?mtime=$mtime",
- itemurl => $url,
- itempubdate => date_822($mtime),
- itemcontent => absolute_urls($content, $url), # rss sucks
- },
- );
-
- $template->param(
- title => $config{wikiname},
- pageurl => $url,
- items => \@items,
- );
+sub mtime ($) { #{{{
+ my $file=shift;
- return $template->output;
+ return (stat($file))[9];
} #}}}
-sub check_overwrite ($$) { #{{{
- # Important security check. Make sure to call this before saving
- # any files to the source directory.
- my $dest=shift;
- my $src=shift;
-
- if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
- error("$dest already exists and was rendered from ".
- join(" ",(grep { $renderedfiles{$_} eq $dest } keys
- %renderedfiles)).
- ", before, so not rendering from $src");
- }
-} #}}}
+sub scan ($) { #{{{
+ my $file=shift;
-sub mtime ($) { #{{{
- my $page=shift;
-
- return (stat($page))[9];
-} #}}}
+ my $type=pagetype($file);
+ if (defined $type) {
+ my $srcfile=srcfile($file);
+ my $content=readfile($srcfile);
+ my $page=pagename($file);
+ will_render($page, htmlpage($page), 1);
-sub findlinks ($$) { #{{{
- my $content=shift;
- my $page=shift;
+ # Always needs to be done, since filters might add links
+ # to the content.
+ $content=filter($page, $page, $content);
- my @links;
- while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
- push @links, lc($1);
+ my @links;
+ while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
+ push @links, linkpage($2);
+ }
+ if ($config{discussion}) {
+ # Discussion links are a special case since they're
+ # not in the text of the page, but on its template.
+ push @links, $page."/".gettext("discussion");
+ }
+ $links{$page}=\@links;
+
+ # Preprocess in scan-only mode.
+ preprocess($page, $page, $content, 1);
+ }
+ else {
+ will_render($file, $file, 1);
}
- # Discussion links are a special case since they're not in the text
- # of the page, but on its template.
- return @links, "$page/discussion";
} #}}}
sub render ($) { #{{{
my $file=shift;
my $type=pagetype($file);
- my $content=readfile("$config{srcdir}/$file");
- if ($type ne 'unknown') {
+ my $srcfile=srcfile($file);
+ if (defined $type) {
my $page=pagename($file);
+ delete $depends{$page};
+ will_render($page, htmlpage($page), 1);
+ return if $type=~/^_/;
- $links{$page}=[findlinks($content, $page)];
-
- $content=linkify($content, $page);
- $content=htmlize($type, $content);
+ my $content=htmlize($page, $type,
+ linkify($page, $page,
+ preprocess($page, $page,
+ filter($page, $page,
+ readfile($srcfile)))));
- check_overwrite("$config{destdir}/".htmlpage($page), $page);
- writefile("$config{destdir}/".htmlpage($page),
- genpage($content, $page, mtime("$config{srcdir}/$file")));
- $oldpagemtime{$page}=time;
- $renderedfiles{$page}=htmlpage($page);
-
- # TODO: should really add this to renderedfiles and call
- # check_overwrite, as above, but currently renderedfiles
- # only supports listing one file per page.
- if ($config{rss}) {
- writefile("$config{destdir}/".rsspage($page),
- genrss($content, $page, mtime("$config{srcdir}/$file")));
- }
+ my $output=htmlpage($page);
+ writefile($output, $config{destdir}, genpage($page, $content));
}
else {
- $links{$file}=[];
- check_overwrite("$config{destdir}/$file", $file);
- writefile("$config{destdir}/$file", $content);
- $oldpagemtime{$file}=time;
- $renderedfiles{$file}=$file;
+ my $srcfd=readfile($srcfile, 1, 1);
+ delete $depends{$file};
+ will_render($file, $file, 1);
+ writefile($file, $config{destdir}, undef, 1, sub {
+ my $destfd=shift;
+ my $cleanup=shift;
+
+ my $blksize = 16384;
+ my ($len, $buf, $written);
+ while ($len = sysread $srcfd, $buf, $blksize) {
+ if (! defined $len) {
+ next if $! =~ /^Interrupted/;
+ error("failed to read $srcfile: $!", $cleanup);
+ }
+ my $offset = 0;
+ while ($len) {
+ defined($written = syswrite $destfd, $buf, $len, $offset)
+ or error("failed to write $file: $!", $cleanup);
+ $len -= $written;
+ $offset += $written;
+ }
+ }
+ });
}
} #}}}
} #}}}
sub refresh () { #{{{
+ # security check, avoid following symlinks in the srcdir path
+ my $test=$config{srcdir};
+ while (length $test) {
+ if (-l $test) {
+ error("symlink found in srcdir path ($test)");
+ }
+ unless ($test=~s/\/+$//) {
+ $test=dirname($test);
+ }
+ }
+
+ run_hooks(refresh => sub { shift->() });
+
# find existing pages
my %exists;
my @files;
eval q{use File::Find};
+ error($@) if $@;
find({
no_chdir => 1,
wanted => sub {
- if (/$config{wiki_file_prune_regexp}/) {
- no warnings 'once';
+ $_=decode_utf8($_);
+ if (file_pruned($_, $config{srcdir})) {
$File::Find::prune=1;
- use warnings "all";
}
elsif (! -d $_ && ! -l $_) {
my ($f)=/$config{wiki_file_regexp}/; # untaint
if (! defined $f) {
- warn("skipping bad filename $_\n");
+ warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
}
else {
$f=~s/^\Q$config{srcdir}\E\/?//;
}
},
}, $config{srcdir});
+ foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
+ find({
+ no_chdir => 1,
+ wanted => sub {
+ $_=decode_utf8($_);
+ if (file_pruned($_, $dir)) {
+ $File::Find::prune=1;
+ }
+ elsif (! -d $_ && ! -l $_) {
+ my ($f)=/$config{wiki_file_regexp}/; # untaint
+ if (! defined $f) {
+ warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
+ }
+ else {
+ $f=~s/^\Q$dir\E\/?//;
+ # avoid underlaydir
+ # override attacks; see
+ # security.mdwn
+ if (! -e "$config{srcdir}/$f" &&
+ ! -l "$config{srcdir}/$f") {
+ my $page=pagename($f);
+ if (! $exists{$page}) {
+ push @files, $f;
+ $exists{$page}=1;
+ }
+ }
+ }
+ }
+ },
+ }, $dir);
+ };
- my %rendered;
+ my (%rendered, @add, @del, @internal);
# check for added or removed pages
- my @add;
foreach my $file (@files) {
my $page=pagename($file);
- if (! $oldpagemtime{$page}) {
- debug("new page $page");
- push @add, $file;
- $links{$page}=[];
- $pagesources{$page}=$file;
- $pagectime{$page}=time;
+ $pagesources{$page}=$file;
+ if (! $pagemtime{$page}) {
+ if (isinternal($page)) {
+ push @internal, $file;
+ }
+ else {
+ push @add, $file;
+ }
+ $pagecase{lc $page}=$page;
+ if ($config{getctime} && -e "$config{srcdir}/$file") {
+ eval {
+ my $time=rcs_getctime("$config{srcdir}/$file");
+ $pagectime{$page}=$time;
+ };
+ if ($@) {
+ print STDERR $@;
+ }
+ }
+ if (! exists $pagectime{$page}) {
+ $pagectime{$page}=mtime(srcfile($file));
+ }
}
}
- my @del;
- foreach my $page (keys %oldpagemtime) {
+ foreach my $page (keys %pagemtime) {
if (! $exists{$page}) {
- debug("removing old page $page");
- push @del, $pagesources{$page};
- prune($config{destdir}."/".$renderedfiles{$page});
- delete $renderedfiles{$page};
- $oldpagemtime{$page}=0;
+ if (isinternal($page)) {
+ push @internal, $pagesources{$page};
+ }
+ else {
+ debug(sprintf(gettext("removing old page %s"), $page));
+ push @del, $pagesources{$page};
+ }
+ $links{$page}=[];
+ $renderedfiles{$page}=[];
+ $pagemtime{$page}=0;
+ prune($config{destdir}."/".$_)
+ foreach @{$oldrenderedfiles{$page}};
delete $pagesources{$page};
+ foreach (keys %destsources) {
+ if ($destsources{$_} eq $page) {
+ delete $destsources{$_};
+ }
+ }
}
}
-
- # render any updated files
+
+ # find changed and new files
+ my @needsbuild;
foreach my $file (@files) {
my $page=pagename($file);
- if (! exists $oldpagemtime{$page} ||
- mtime("$config{srcdir}/$file") > $oldpagemtime{$page}) {
- debug("rendering changed file $file");
- render($file);
- $rendered{$file}=1;
+ my $mtime=mtime(srcfile($file));
+ if (! exists $pagemtime{$page} ||
+ $mtime > $pagemtime{$page} ||
+ $forcerebuild{$page}) {
+ $pagemtime{$page}=$mtime;
+ if (isinternal($page)) {
+ push @internal, $file;
+ # Preprocess internal page in scan-only mode.
+ preprocess($page, $page, readfile(srcfile($file)), 1);
+ }
+ else {
+ push @needsbuild, $file;
+ }
}
}
+ run_hooks(needsbuild => sub { shift->(\@needsbuild) });
+
+ # scan and render files
+ foreach my $file (@needsbuild) {
+ debug(sprintf(gettext("scanning %s"), $file));
+ scan($file);
+ }
+ calculate_backlinks();
+ foreach my $file (@needsbuild) {
+ debug(sprintf(gettext("rendering %s"), $file));
+ render($file);
+ $rendered{$file}=1;
+ }
+ foreach my $file (@internal) {
+ # internal pages are not rendered
+ my $page=pagename($file);
+ delete $depends{$page};
+ foreach my $old (@{$renderedfiles{$page}}) {
+ delete $destsources{$old};
+ }
+ $renderedfiles{$page}=[];
+ }
- # if any files were added or removed, check to see if each page
- # needs an update due to linking to them
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the bestlink may have changed and we won't know until
- # now
+ # rebuild pages that link to added or removed pages
if (@add || @del) {
-FILE: foreach my $file (@files) {
- my $page=pagename($file);
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $link (@{$links{$page}}) {
- if (bestlink($page, $link) eq $p) {
- debug("rendering $file, which links to $p");
- render($file);
- $rendered{$file}=1;
- next FILE;
- }
- }
+ foreach my $f (@add, @del) {
+ my $p=pagename($f);
+ foreach my $page (keys %{$backlinks{$p}}) {
+ my $file=$pagesources{$page};
+ next if $rendered{$file};
+ debug(sprintf(gettext("rendering %s, which links to %s"), $file, $p));
+ render($file);
+ $rendered{$file}=1;
}
}
}
- # handle backlinks; if a page has added/removed links, update the
- # pages it links to
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the backlinks could be wrong in the first pass render
- # above
- if (%rendered) {
+ if (%rendered || @del || @internal) {
+ my @changed=(keys %rendered, @del);
+
+ # rebuild dependant pages
+ foreach my $f (@files) {
+ next if $rendered{$f};
+ my $p=pagename($f);
+ if (exists $depends{$p}) {
+ # only consider internal files
+ # if the page explicitly depends on such files
+ foreach my $file (@changed, $depends{$p}=~/internal\(/ ? @internal : ()) {
+ next if $f eq $file;
+ my $page=pagename($file);
+ if (pagespec_match($page, $depends{$p}, location => $p)) {
+ debug(sprintf(gettext("rendering %s, which depends on %s"), $f, $page));
+ render($f);
+ $rendered{$f}=1;
+ last;
+ }
+ }
+ }
+ }
+
+ # handle backlinks; if a page has added/removed links,
+ # update the pages it links to
my %linkchanged;
- foreach my $file (keys %rendered, @del) {
+ foreach my $file (@changed) {
my $page=pagename($file);
+
if (exists $links{$page}) {
foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
if (length $link &&
- ! exists $oldlinks{$page} ||
- ! grep { $_ eq $link } @{$oldlinks{$page}}) {
+ (! exists $oldlinks{$page} ||
+ ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
$linkchanged{$link}=1;
}
}
if (exists $oldlinks{$page}) {
foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
if (length $link &&
- ! exists $links{$page} ||
- ! grep { $_ eq $link } @{$links{$page}}) {
+ (! exists $links{$page} ||
+ ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
$linkchanged{$link}=1;
}
}
}
}
+
foreach my $link (keys %linkchanged) {
my $linkfile=$pagesources{$link};
if (defined $linkfile) {
- debug("rendering $linkfile, to update its backlinks");
+ next if $rendered{$linkfile};
+ debug(sprintf(gettext("rendering %s, to update its backlinks"), $linkfile));
render($linkfile);
+ $rendered{$linkfile}=1;
}
}
}
+
+ # remove no longer rendered files
+ foreach my $src (keys %rendered) {
+ my $page=pagename($src);
+ foreach my $file (@{$oldrenderedfiles{$page}}) {
+ if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
+ debug(sprintf(gettext("removing %s, no longer rendered by %s"), $file, $page));
+ prune($config{destdir}."/".$file);
+ }
+ }
+ }
+
+ if (@del) {
+ run_hooks(delete => sub { shift->(@del) });
+ }
+ if (%rendered) {
+ run_hooks(change => sub { shift->(keys %rendered) });
+ }
+} #}}}
+
+sub commandline_render () { #{{{
+ loadplugins();
+ checkconfig();
+ lockwiki();
+ loadindex();
+ unlockwiki();
+
+ my $srcfile=possibly_foolish_untaint($config{render});
+ my $file=$srcfile;
+ $file=~s/\Q$config{srcdir}\E\/?//;
+
+ my $type=pagetype($file);
+ die sprintf(gettext("ikiwiki: cannot render %s"), $srcfile)."\n" unless defined $type;
+ my $content=readfile($srcfile);
+ my $page=pagename($file);
+ $pagesources{$page}=$file;
+ $content=filter($page, $page, $content);
+ $content=preprocess($page, $page, $content);
+ $content=linkify($page, $page, $content);
+ $content=htmlize($page, $type, $content);
+ $pagemtime{$page}=mtime($srcfile);
+
+ print genpage($page, $content);
+ exit 0;
} #}}}
1