use IkiWiki;
use Encode;
-sub linkify ($$$) { #{{{
- my $lpage=shift; # the page containing the links
- my $page=shift; # the page the link will end up on (different for inline)
- my $content=shift;
-
- $content =~ s{(\\?)$config{wiki_link_regexp}}{
- $2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
- : ( $1 ? "[[$3]]" : htmllink($lpage, $page, titlepage($3)))
- }eg;
-
- return $content;
-} #}}}
-
-sub htmlize ($$) { #{{{
- my $type=shift;
- my $content=shift;
-
- if (exists $hooks{htmlize}{$type}) {
- $content=$hooks{htmlize}{$type}{call}->($content);
- }
- else {
- error("htmlization of $type not supported");
- }
-
- run_hooks(sanitize => sub {
- $content=shift->($content);
- });
-
- return $content;
-} #}}}
-
-sub backlinks ($) { #{{{
- my $page=shift;
-
- my @links;
- foreach my $p (keys %links) {
- next if bestlink($page, $p) eq $page;
- if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
- my $href=abs2rel(htmlpage($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 => $href, page => pagetitle($p_trimmed) };
+our %backlinks=();
+our $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;
+}
- return sort { $a->{page} cmp $b->{page} } @links;
-} #}}}
-
-sub parentlinks ($) { #{{{
+sub backlinks ($) {
my $page=shift;
-
- my @ret;
- my $pagelink="";
- my $path="";
- my $skip=1;
- return if $page eq 'index'; # toplevel
- foreach my $dir (reverse split("/", $page)) {
- if (! $skip) {
- $path.="../";
- unshift @ret, { url => $path.htmlpage($dir), page => pagetitle($dir) };
- }
- else {
- $skip=0;
- }
- }
- unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
- return @ret;
-} #}}}
-sub preprocess ($$$;$) { #{{{
- my $page=shift; # the page the data comes from
- my $destpage=shift; # the page the data will appear in (different for inline)
- my $content=shift;
- my $onlystrip=shift || 0; # strip directives without processing
-
- my $handle=sub {
- my $escape=shift;
- my $command=shift;
- my $params=shift;
- if (length $escape) {
- return "[[$command $params]]";
- }
- elsif ($onlystrip) {
- return "";
- }
- elsif (exists $hooks{preprocess}{$command}) {
- # Note: preserve order of params, some plugins may
- # consider it significant.
- my @params;
- while ($params =~ /(?:(\w+)=)?(?:"([^"]+)"|(\S+))(?:\s+|$)/g) {
- if (defined $1) {
- push @params, $1, (defined $2 ? $2 : $3);
- }
- else {
- push @params, (defined $2 ? $2 : $3), '';
- }
- }
- return $hooks{preprocess}{$command}{call}->(
- @params,
- page => $page,
- destpage => $destpage,
- );
- }
- else {
- return "[[$command not processed]]";
- }
- };
-
- $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}eg;
- return $content;
-} #}}}
+ calculate_backlinks();
-sub add_depends ($$) { #{{{
- my $page=shift;
- my $pagespec=shift;
-
- if (! exists $depends{$page}) {
- $depends{$page}=$pagespec;
- }
- else {
- $depends{$page}=pagespec_merge($depends{$page}, $pagespec);
+ my @links;
+ foreach my $p (keys %{$backlinks{$page}}) {
+ my $href=urlto($p, $page);
+
+ # Trim common dir prefixes from both pages.
+ my $p_trimmed=$p;
+ my $page_trimmed=$page;
+ my $dir;
+ 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
+ defined $dir &&
+ $p_trimmed=~s/^\Q$dir\E// &&
+ $page_trimmed=~s/^\Q$dir\E//;
+
+ push @links, { url => $href, page => pagetitle($p_trimmed) };
}
-} # }}}
+ return @links;
+}
-sub genpage ($$$) { #{{{
+sub genpage ($$) {
my $page=shift;
my $content=shift;
- my $mtime=shift;
- my $template=template("page.tmpl", blind_cache => 1);
+ 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 => $page));
+ $template->param(editurl => cgiurl(do => "edit", page => $page))
+ if IkiWiki->can("cgi_editpage");
$template->param(prefsurl => cgiurl(do => "prefs"));
- if ($config{rcs}) {
- $template->param(recentchangesurl => cgiurl(do => "recentchanges"));
- }
$actions++;
}
-
- if (length $config{historyurl}) {
+
+ if (defined $config{historyurl} && length $config{historyurl}) {
my $u=$config{historyurl};
$u=~s/\[\[file\]\]/$pagesources{$page}/g;
$template->param(historyurl => $u);
$actions++;
}
if ($config{discussion}) {
- $template->param(discussionlink => htmllink($page, $page, "Discussion", 1, 1));
- $actions++;
+ 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));
+ $actions++;
+ }
}
if ($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 => $page eq 'index'
? $config{wikiname}
: pagetitle(basename($page)),
wikiname => $config{wikiname},
- parentlinks => [parentlinks($page)],
content => $content,
- backlinks => [backlinks($page)],
- mtime => displaytime($mtime),
+ backlinks => $backlinks,
+ more_backlinks => $more_backlinks,
+ mtime => displaytime($pagemtime{$page}),
+ ctime => displaytime($pagectime{$page}),
baseurl => baseurl($page),
);
});
$content=$template->output;
+
+ run_hooks(postscan => sub {
+ shift->(page => $page, content => $content);
+ });
run_hooks(format => sub {
- $content=shift->($content);
+ $content=shift->(
+ page => $page,
+ content => $content,
+ );
});
return $content;
-} #}}}
-
-sub check_overwrite ($$) { #{{{
- # Important security check. Make sure to call this before saving
- # any files to the source directory.
- my $dest=shift;
- my $src=shift;
-
- if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
- error("$dest already exists and was not rendered from $src before");
- }
-} #}}}
+}
-sub displaytime ($) { #{{{
- my $time=shift;
+sub scan ($) {
+ my $file=shift;
- eval q{use POSIX};
- # strftime doesn't know about encodings, so make sure
- # its output is properly treated as utf8
- return decode_utf8(POSIX::strftime(
- $config{timeformat}, localtime($time)));
-} #}}}
+ my $type=pagetype($file);
+ if (defined $type) {
+ my $srcfile=srcfile($file);
+ my $content=readfile($srcfile);
+ my $page=pagename($file);
+ will_render($page, htmlpage($page), 1);
-sub mtime ($) { #{{{
- my $file=shift;
-
- return (stat($file))[9];
-} #}}}
+ if ($config{discussion}) {
+ # Discussion links are a special case since they're
+ # not in the text of the page, but on its template.
+ $links{$page}=[ $page."/".gettext("discussion") ];
+ }
+ else {
+ $links{$page}=[];
+ }
-sub findlinks ($$) { #{{{
- my $page=shift;
- my $content=shift;
+ run_hooks(scan => sub {
+ shift->(
+ page => $page,
+ content => $content,
+ );
+ });
- my @links;
- while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
- push @links, titlepage($2);
- }
- if ($config{discussion}) {
- # Discussion links are a special case since they're not in the
- # text of the page, but on its template.
- return @links, "$page/discussion";
+ # Preprocess in scan-only mode.
+ preprocess($page, $page, $content, 1);
}
else {
- return @links;
+ will_render($file, $file, 1);
}
-} #}}}
-
-sub filter ($$) {
- my $page=shift;
- my $content=shift;
-
- run_hooks(filter => sub {
- $content=shift->(page => $page, content => $content);
- });
+}
- return $content;
+sub fast_file_copy (@) {
+ my $srcfile=shift;
+ my $destfile=shift;
+ my $srcfd=shift;
+ 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 $destfile: $!", $cleanup);
+ $len -= $written;
+ $offset += $written;
+ }
+ }
}
-sub render ($) { #{{{
+sub render ($) {
my $file=shift;
my $type=pagetype($file);
my $srcfile=srcfile($file);
if (defined $type) {
- my $content=readfile($srcfile);
my $page=pagename($file);
delete $depends{$page};
+ will_render($page, htmlpage($page), 1);
+ return if $type=~/^_/;
- $content=filter($page, $content);
-
- $links{$page}=[findlinks($page, $content)];
-
- $content=linkify($page, $page, $content);
- $content=preprocess($page, $page, $content);
- $content=htmlize($type, $content);
+ my $content=htmlize($page, $page, $type,
+ linkify($page, $page,
+ preprocess($page, $page,
+ filter($page, $page,
+ readfile($srcfile)))));
- check_overwrite("$config{destdir}/".htmlpage($page), $page);
- writefile(htmlpage($page), $config{destdir},
- genpage($page, $content, mtime($srcfile)));
- $oldpagemtime{$page}=time;
- $renderedfiles{$page}=htmlpage($page);
+ my $output=htmlpage($page);
+ writefile($output, $config{destdir}, genpage($page, $content));
}
else {
- my $content=readfile($srcfile, 1);
- $links{$file}=[];
delete $depends{$file};
- check_overwrite("$config{destdir}/$file", $file);
- writefile($file, $config{destdir}, $content, 1);
- $oldpagemtime{$file}=time;
- $renderedfiles{$file}=$file;
+ will_render($file, $file, 1);
+
+ if ($config{hardlink}) {
+ # only hardlink if owned by same user
+ my @stat=stat($srcfile);
+ if ($stat[4] == $>) {
+ prep_writefile($file, $config{destdir});
+ unlink($config{destdir}."/".$file);
+ if (link($srcfile, $config{destdir}."/".$file)) {
+ return;
+ }
+ }
+ # if hardlink fails, fall back to copying
+ }
+
+ my $srcfd=readfile($srcfile, 1, 1);
+ writefile($file, $config{destdir}, undef, 1, sub {
+ fast_file_copy($srcfile, $file, $srcfd, @_);
+ });
}
-} #}}}
+}
-sub prune ($) { #{{{
+sub prune ($) {
my $file=shift;
unlink($file);
while (rmdir($dir)) {
$dir=dirname($dir);
}
-} #}}}
+}
+
+sub refresh () {
+ # security check, avoid following symlinks in the srcdir path by default
+ my $test=$config{srcdir};
+ while (length $test) {
+ if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
+ error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
+ }
+ unless ($test=~s/\/+$//) {
+ $test=dirname($test);
+ }
+ }
+
+ run_hooks(refresh => sub { shift->() });
-sub refresh () { #{{{
# find existing pages
my %exists;
my @files;
eval q{use File::Find};
+ error($@) if $@;
find({
no_chdir => 1,
wanted => sub {
$_=decode_utf8($_);
- if (/$config{wiki_file_prune_regexp}/) {
+ if (file_pruned($_, $config{srcdir})) {
$File::Find::prune=1;
}
- elsif (! -d $_ && ! -l $_) {
+ elsif (! -l $_ && ! -d _) {
my ($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\/?//;
push @files, $f;
- $exists{pagename($f)}=1;
+ my $pagename = pagename($f);
+ if ($exists{$pagename}) {
+ debug(sprintf(gettext("%s has multiple possible source pages"), $pagename));
+ }
+ $exists{$pagename}=1;
}
}
},
}, $config{srcdir});
- find({
- no_chdir => 1,
- wanted => sub {
- $_=decode_utf8($_);
- if (/$config{wiki_file_prune_regexp}/) {
- $File::Find::prune=1;
- }
- elsif (! -d $_ && ! -l $_) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn("skipping bad filename $_\n");
+ foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
+ find({
+ no_chdir => 1,
+ wanted => sub {
+ $_=decode_utf8($_);
+ if (file_pruned($_, $dir)) {
+ $File::Find::prune=1;
}
- else {
- # Don't add files that are in the
- # srcdir.
- $f=~s/^\Q$config{underlaydir}\E\/?//;
- if (! -e "$config{srcdir}/$f" &&
- ! -l "$config{srcdir}/$f") {
- push @files, $f;
- $exists{pagename($f)}=1;
+ elsif (! -l $_ && ! -d _) {
+ my ($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 (! -l "$config{srcdir}/$f" &&
+ ! -e _) {
+ my $page=pagename($f);
+ if (! $exists{$page}) {
+ push @files, $f;
+ $exists{$page}=1;
+ }
+ }
}
}
- }
- },
- }, $config{underlaydir});
-
- my %rendered;
+ },
+ }, $dir);
+ };
+ 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") unless exists $pagectime{$page};
- push @add, $file;
- $links{$page}=[];
- $pagecase{lc $page}=$page;
- $pagesources{$page}=$file;
- if ($config{getctime} && -e "$config{srcdir}/$file") {
- $pagectime{$page}=rcs_getctime("$config{srcdir}/$file");
+ if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
+ # the page has changed its type
+ $forcerebuild{$page}=1;
+ }
+ $pagesources{$page}=$file;
+ if (! $pagemtime{$page}) {
+ if (isinternal($page)) {
+ push @internal, $file;
+ }
+ else {
+ push @add, $file;
+ if ($config{getctime} && -e "$config{srcdir}/$file") {
+ eval {
+ my $time=rcs_getctime("$config{srcdir}/$file");
+ $pagectime{$page}=$time;
+ };
+ if ($@) {
+ print STDERR $@;
+ }
+ }
}
- elsif (! exists $pagectime{$page}) {
- $pagectime{$page}=mtime(srcfile($file));
+ $pagecase{lc $page}=$page;
+ if (! exists $pagectime{$page}) {
+ $pagectime{$page}=(srcfile_stat($file))[10];
}
}
}
- 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(srcfile($file)) > $oldpagemtime{$page} ||
+ my ($srcfile, @stat)=srcfile_stat($file);
+ if (! exists $pagemtime{$page} ||
+ $stat[9] > $pagemtime{$page} ||
$forcerebuild{$page}) {
- debug("rendering $file");
- render($file);
- $rendered{$file}=1;
+ $pagemtime{$page}=$stat[9];
+ if (isinternal($page)) {
+ push @internal, $file;
+ # Preprocess internal page in scan-only mode.
+ preprocess($page, $page, readfile($srcfile), 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 or inlining 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. Also handles rebuilding dependant pages.
- # 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 || @del) {
+ 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}) {
- foreach my $file (keys %rendered, @del) {
+ # 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})) {
- debug("rendering $f, which depends on $page");
+ if (pagespec_match($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 (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 () {
+ 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, $page, $type, $content);
+ $pagemtime{$page}=(stat($srcfile))[9];
+ $pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
+
+ print genpage($page, $content);
+ exit 0;
+}
1