X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/9557c7c8905f08361aabd1215fa3bc19badf9a4f..dcb52530910306891622bbaff9e039b52e83b0fc:/IkiWiki/Plugin/comments.pm?ds=sidebyside diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm index c458ea9da..b2243ce4c 100644 --- a/IkiWiki/Plugin/comments.pm +++ b/IkiWiki/Plugin/comments.pm @@ -7,7 +7,7 @@ package IkiWiki::Plugin::comments; use warnings; use strict; -use IkiWiki 2.00; +use IkiWiki 3.00; use Encode; use POSIX qw(strftime); @@ -16,8 +16,9 @@ use constant POST_COMMENT => "Post comment"; use constant CANCEL => "Cancel"; my $postcomment; +my %commentstate; -sub import { #{{{ +sub import { hook(type => "checkconfig", id => 'comments', call => \&checkconfig); hook(type => "getsetup", id => 'comments', call => \&getsetup); hook(type => "preprocess", id => '_comment', call => \&preprocess); @@ -25,38 +26,34 @@ sub import { #{{{ hook(type => "htmlize", id => "_comment", call => \&htmlize); hook(type => "pagetemplate", id => "comments", call => \&pagetemplate); hook(type => "cgi", id => "comments", call => \&linkcgi); + hook(type => "formbuilder_setup", id => "comments", call => \&formbuilder_setup); IkiWiki::loadplugin("inline"); -} # }}} +} -sub getsetup () { #{{{ +sub getsetup () { return plugin => { safe => 1, rebuild => 1, }, - # Pages where comments are shown, but new comments are not - # allowed, will show "Comments are closed". - comments_shown_pagespec => { + comments_pagespec => { type => 'pagespec', - example => 'blog/*', - default => '', - description => 'PageSpec for pages where comments will be shown inline', + example => 'blog/* and !*/Discussion', + description => 'PageSpec of pages where comments are allowed', link => 'ikiwiki/PageSpec', safe => 1, rebuild => 1, }, - comments_open_pagespec => { + comments_closed_pagespec => { type => 'pagespec', - example => 'blog/* and created_after(close_old_comments)', - default => '', - description => 'PageSpec for pages where new comments can be posted', + example => 'blog/controversial or blog/flamewar', + description => 'PageSpec of pages where posting new comments is not allowed', link => 'ikiwiki/PageSpec', safe => 1, rebuild => 1, }, comments_pagename => { type => 'string', - example => 'comment_', default => 'comment_', description => 'Base name for comments, e.g. "comment_" for pages like "sandbox/comment_12"', safe => 0, # manual page moving required @@ -64,7 +61,6 @@ sub getsetup () { #{{{ }, comments_allowdirectives => { type => 'boolean', - default => 0, example => 0, description => 'Interpret directives in comments?', safe => 1, @@ -72,7 +68,6 @@ sub getsetup () { #{{{ }, comments_allowauthor => { type => 'boolean', - default => 0, example => 0, description => 'Allow anonymous commenters to set an author name?', safe => 1, @@ -81,22 +76,32 @@ sub getsetup () { #{{{ comments_commit => { type => 'boolean', example => 1, - default => 1, description => 'commit comments to the VCS', # old uncommitted comments are likely to cause # confusion if this is changed safe => 0, rebuild => 0, }, -} #}}} +} + +sub checkconfig () { + $config{comments_commit} = 1 + unless defined $config{comments_commit}; + $config{comments_pagespec} = '' + unless defined $config{comments_pagespec}; + $config{comments_closed_pagespec} = '' + unless defined $config{comments_closed_pagespec}; + $config{comments_pagename} = 'comment_' + unless defined $config{comments_pagename}; +} -sub htmlize { # {{{ +sub htmlize { my %params = @_; return $params{content}; -} # }}} +} # FIXME: copied verbatim from meta -sub safeurl ($) { #{{{ +sub safeurl ($) { my $url=shift; if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} && defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) { @@ -105,9 +110,9 @@ sub safeurl ($) { #{{{ else { return 1; } -} #}}} +} -sub preprocess { # {{{ +sub preprocess { my %params = @_; my $page = $params{page}; @@ -130,8 +135,8 @@ sub preprocess { # {{{ } # no need to bother with htmlize if it's just HTML - $content = IkiWiki::htmlize($page, $params{destpage}, $format, - $content) if defined $format; + $content = IkiWiki::htmlize($page, $params{destpage}, $format, $content) + if defined $format; IkiWiki::run_hooks(sanitize => sub { $content = shift->( @@ -148,11 +153,27 @@ sub preprocess { # {{{ my $commentip; my $commentauthor; my $commentauthorurl; - + my $commentopenid; if (defined $params{username}) { $commentuser = $params{username}; - ($commentauthorurl, $commentauthor) = - linkuser($params{username}); + + my $oiduser = eval { IkiWiki::openiduser($commentuser) }; + + if (defined $oiduser) { + # looks like an OpenID + $commentauthorurl = $commentuser; + $commentauthor = $oiduser; + $commentopenid = $commentuser; + } + else { + $commentauthorurl = IkiWiki::cgiurl( + do => 'commenter', + page => (length $config{userdir} + ? "$config{userdir}/$commentuser" + : "$commentuser")); + + $commentauthor = $commentuser; + } } else { if (defined $params{ip}) { @@ -161,10 +182,11 @@ sub preprocess { # {{{ $commentauthor = gettext("Anonymous"); } - $pagestate{$page}{comments}{commentuser} = $commentuser; - $pagestate{$page}{comments}{commentip} = $commentip; - $pagestate{$page}{comments}{commentauthor} = $commentauthor; - $pagestate{$page}{comments}{commentauthorurl} = $commentauthorurl; + $commentstate{$page}{commentuser} = $commentuser; + $commentstate{$page}{commentopenid} = $commentopenid; + $commentstate{$page}{commentip} = $commentip; + $commentstate{$page}{commentauthor} = $commentauthor; + $commentstate{$page}{commentauthorurl} = $commentauthorurl; if (! defined $pagestate{$page}{meta}{author}) { $pagestate{$page}{meta}{author} = $commentauthor; } @@ -177,8 +199,17 @@ sub preprocess { # {{{ $pagestate{$page}{meta}{author} = $params{claimedauthor}; } - if (defined $params{url} and safeurl($params{url})) { - $pagestate{$page}{meta}{authorurl} = $params{url}; + if (defined $params{url}) { + my $url=$params{url}; + + eval q{use URI::Heuristic}; + if (! $@) { + $url=URI::Heuristic::uf_uristr($url); + } + + if (safeurl($url)) { + $pagestate{$page}{meta}{authorurl} = $url; + } } } else { @@ -190,13 +221,10 @@ sub preprocess { # {{{ $pagestate{$page}{meta}{title} = $params{subject}; } - my $baseurl = urlto($params{destpage}, undef, 1); - my $anchor = ""; - my $comments_pagename = $config{comments_pagename}; - if ($params{page} =~ m/\/(\Q${comments_pagename}\E\d+)$/) { - $anchor = $1; + if ($params{page} =~ m/\/(\Q$config{comments_pagename}\E\d+)$/) { + $pagestate{$page}{meta}{permalink} = urlto(IkiWiki::dirname($params{page}), undef, 1). + "#".$params{page}; } - $pagestate{$page}{meta}{permalink} = "${baseurl}#${anchor}"; eval q{use Date::Parse}; if (! $@) { @@ -204,19 +232,11 @@ sub preprocess { # {{{ $IkiWiki::pagectime{$page} = $time if defined $time; } - # FIXME: hard-coded HTML (although it's just to set an ID) - return "
$content
" if $anchor; return $content; -} # }}} - -sub checkconfig () { #{{{ - $config{comments_commit} = 1 unless defined $config{comments_commit}; - $config{comments_pagename} = 'comment_' - unless defined $config{comments_pagename}; -} #}}} +} # This is exactly the same as recentchanges_link :-( -sub linkcgi ($) { #{{{ +sub linkcgi ($) { my $cgi=shift; if (defined $cgi->param('do') && $cgi->param('do') eq "commenter") { @@ -244,35 +264,24 @@ sub linkcgi ($) { #{{{ } } -# FIXME: basically the same logic as recentchanges -# returns (author URL, pretty-printed version) -sub linkuser ($) { # {{{ - my $user = shift; - my $oiduser = eval { IkiWiki::openiduser($user) }; +sub sessioncgi ($$) { + my $cgi=shift; + my $session=shift; - if (defined $oiduser) { - return ($user, $oiduser); + my $do = $cgi->param('do'); + if ($do eq 'comment') { + editcomment($cgi, $session); } - # FIXME: it'd be good to avoid having such a link for anonymous - # posts - else { - return (IkiWiki::cgiurl( - do => 'commenter', - page => (length $config{userdir} - ? "$config{userdir}/$user" - : "$user") - ), $user); + elsif ($do eq 'commentmoderation') { + commentmoderation($cgi, $session); } -} # }}} +} # Mostly cargo-culted from IkiWiki::plugin::editpage -sub sessioncgi ($$) { #{{{ +sub editcomment ($$) { my $cgi=shift; my $session=shift; - my $do = $cgi->param('do'); - return unless $do eq 'comment'; - IkiWiki::decode_cgi_utf8($cgi); eval q{use CGI::FormBuilder}; @@ -289,9 +298,7 @@ sub sessioncgi ($$) { #{{{ action => $config{cgiurl}, header => 0, table => 0, - template => scalar IkiWiki::template_params('comments_form.tmpl'), - # wtf does this do in editpage? - wikiname => $config{wikiname}, + template => scalar IkiWiki::template_params('editcomment.tmpl'), ); IkiWiki::decode_form_utf8($form); @@ -313,8 +320,6 @@ sub sessioncgi ($$) { #{{{ @page_types = grep { ! /^_/ } keys %{$IkiWiki::hooks{htmlize}}; } - my $allow_author = $config{comments_allowauthor}; - $form->field(name => 'do', type => 'hidden'); $form->field(name => 'sid', type => 'hidden', value => $session->id, force => 1); @@ -326,7 +331,8 @@ sub sessioncgi ($$) { #{{{ $form->tmpl_param(username => $session->param('name')); - if ($allow_author and ! defined $session->param('name')) { + if ($config{comments_allowauthor} and + ! defined $session->param('name')) { $form->tmpl_param(allowauthor => 1); $form->field(name => 'author', type => 'text', size => '40'); $form->field(name => 'url', type => 'text', size => '40'); @@ -348,12 +354,6 @@ sub sessioncgi ($$) { #{{{ error(gettext("bad page name")); } - my $allow_directives = $config{comments_allowdirectives}; - my $commit_comments = $config{comments_commit}; - my $comments_pagename = $config{comments_pagename}; - - # FIXME: is this right? Or should we be using the candidate subpage - # (whatever that might mean) as the base URL? my $baseurl = urlto($page, undef, 1); $form->title(sprintf(gettext("commenting on %s"), @@ -363,7 +363,7 @@ sub sessioncgi ($$) { #{{{ htmllink($page, $page, 'ikiwiki/formatting', noimageinline => 1, linktext => 'FormattingHelp'), - allowdirectives => $allow_directives); + allowdirectives => $config{allow_directives}); if ($form->submitted eq CANCEL) { # bounce back to the page they wanted to comment on, and exit. @@ -378,7 +378,7 @@ sub sessioncgi ($$) { #{{{ $page)); } - if (not pagespec_match($page, $config{comments_open_pagespec}, + if (pagespec_match($page, $config{comments_closed_pagespec}, location => $page)) { error(sprintf(gettext( "comments on page '%s' are closed"), @@ -391,19 +391,7 @@ sub sessioncgi ($$) { #{{{ IkiWiki::check_canedit($page, $cgi, $session); $postcomment=0; - # FIXME: check that the wiki is locked right now, because - # if it's not, there are mad race conditions! - - # FIXME: rather a simplistic way to make the comments... - my $i = 0; - my $file; - my $location; - do { - $i++; - $location = "$page/${comments_pagename}${i}"; - } while (-e "$config{srcdir}/$location._comment"); - - my $anchor = "${comments_pagename}${i}"; + my $location=unique_comment_location($page, $config{srcdir}); my $content = "[[!_comment format=$type\n"; @@ -420,21 +408,21 @@ sub sessioncgi ($$) { #{{{ } } - if ($allow_author) { + if ($config{comments_allowauthor}) { my $author = $form->field('author'); - if (length $author) { + if (defined $author && length $author) { $author =~ s/"/"/g; $content .= " claimedauthor=\"$author\"\n"; } my $url = $form->field('url'); - if (length $url) { + if (defined $url && length $url) { $url =~ s/"/"/g; $content .= " url=\"$url\"\n"; } } my $subject = $form->field('subject'); - if (length $subject) { + if (defined $subject && length $subject) { $subject =~ s/"/"/g; $content .= " subject=\"$subject\"\n"; } @@ -454,40 +442,54 @@ sub sessioncgi ($$) { #{{{ # - this means that if they do, rocks fall and everyone dies if ($form->submitted eq PREVIEW) { - my $preview = IkiWiki::htmlize($location, $page, '_comment', - IkiWiki::linkify($page, $page, - IkiWiki::preprocess($page, $page, - IkiWiki::filter($location, - $page, $content), - 0, 1))); + my $preview=previewcomment($content, $location, $page, time); IkiWiki::run_hooks(format => sub { - $preview = shift->(page => $page, - content => $preview); - }); - - my $template = template("comments_display.tmpl"); - $template->param(content => $preview); - $template->param(title => $form->field('subject')); - $template->param(ctime => displaytime(time)); - - $form->tmpl_param(page_preview => $template->output); + $preview = shift->(page => $page, + content => $preview); + }); + $form->tmpl_param(page_preview => $preview); } else { $form->tmpl_param(page_preview => ""); } if ($form->submitted eq POST_COMMENT && $form->validate) { - my $file = "$location._comment"; - - IkiWiki::checksessionexpiry($session, $cgi->param('sid')); + IkiWiki::checksessionexpiry($cgi, $session); + + $postcomment=1; + my $ok=IkiWiki::check_content(content => $form->field('editcontent'), + subject => $form->field('subject'), + $config{comments_allowauthor} ? ( + author => $form->field('author'), + url => $form->field('url'), + ) : (), + page => $location, + cgi => $cgi, + session => $session, + nonfatal => 1, + ); + $postcomment=0; + + if (! $ok) { + my $penddir=$config{wikistatedir}."/comments_pending"; + $location=unique_comment_location($page, $penddir); + writefile("$location._comment", $penddir, $content); + IkiWiki::printheader($session); + print IkiWiki::misctemplate(gettext(gettext("comment stored for moderation")), + "

". + gettext("Your comment will be posted after moderator review"), + "

"); + exit; + } # FIXME: could probably do some sort of graceful retry # on error? Would require significant unwinding though + my $file = "$location._comment"; writefile($file, $config{srcdir}, $content); my $conflict; - if ($config{rcs} and $commit_comments) { + if ($config{rcs} and $config{comments_commit}) { my $message = gettext("Added a comment"); if (defined $form->field('subject') && length $form->field('subject')) { @@ -513,9 +515,11 @@ sub sessioncgi ($$) { #{{{ # breaks it or something error($conflict) if defined $conflict; - # Bounce back to where we were, but defeat broken caches - my $anticache = "?updated=$page/${comments_pagename}${i}"; - IkiWiki::redirect($cgi, urlto($page, undef, 1).$anticache); + # Jump to the new comment on the page. + # The trailing question mark tries to avoid broken + # caches and get the most recent version of the page. + IkiWiki::redirect($cgi, urlto($page, undef, 1)."?updated#$location"); + } else { IkiWiki::showform ($form, \@buttons, $session, $cgi, @@ -523,40 +527,210 @@ sub sessioncgi ($$) { #{{{ } exit; -} #}}} +} -sub pagetemplate (@) { #{{{ - my %params = @_; +sub commentmoderation ($$) { + my $cgi=shift; + my $session=shift; - my $page = $params{page}; - my $template = $params{template}; + IkiWiki::needsignin($cgi, $session); + if (! IkiWiki::is_admin($session->param("name"))) { + error(gettext("you are not logged in as an admin")); + } - if ($template->query(name => 'comments')) { - my $comments = undef; + IkiWiki::decode_cgi_utf8($cgi); + + if (defined $cgi->param('sid')) { + IkiWiki::checksessionexpiry($cgi, $session); + + my $rejectalldefer=$cgi->param('rejectalldefer'); + + my %vars=$cgi->Vars; + my $added=0; + foreach my $id (keys %vars) { + if ($id =~ /(.*)\Q._comment\E$/) { + my $action=$cgi->param($id); + next if $action eq 'Defer' && ! $rejectalldefer; + + # Make sure that the id is of a legal + # pending comment before untainting. + my ($f)= $id =~ /$config{wiki_file_regexp}/; + if (! defined $f || ! length $f || + IkiWiki::file_pruned($f, $config{srcdir})) { + error("illegal file"); + } + + my $page=IkiWiki::possibly_foolish_untaint(IkiWiki::dirname($1)); + my $file="$config{wikistatedir}/comments_pending/". + IkiWiki::possibly_foolish_untaint($id); + + if ($action eq 'Accept') { + my $content=eval { readfile($file) }; + next if $@; # file vanished since form was displayed + my $dest=unique_comment_location($page, $config{srcdir})."._comment"; + writefile($dest, $config{srcdir}, $content); + if ($config{rcs} and $config{comments_commit}) { + IkiWiki::rcs_add($dest); + } + $added++; + } + + # This removes empty subdirs, so the + # .ikiwiki/comments_pending dir will + # go away when all are moderated. + require IkiWiki::Render; + IkiWiki::prune($file); + } + } + + if ($added) { + my $conflict; + if ($config{rcs} and $config{comments_commit}) { + my $message = gettext("Comment moderation"); + IkiWiki::disable_commit_hook(); + $conflict=IkiWiki::rcs_commit_staged($message, + $session->param('name'), $ENV{REMOTE_ADDR}); + IkiWiki::enable_commit_hook(); + IkiWiki::rcs_update(); + } + + # Now we need a refresh + require IkiWiki::Render; + IkiWiki::refresh(); + IkiWiki::saveindex(); + + error($conflict) if defined $conflict; + } + } - my $comments_pagename = $config{comments_pagename}; + my @comments=map { + my ($id, $ctime)=@{$_}; + my $file="$config{wikistatedir}/comments_pending/$id"; + my $content=readfile($file); + my $preview=previewcomment($content, $id, + IkiWiki::dirname($_), $ctime); + { + id => $id, + view => $preview, + } + } sort { $b->[1] <=> $a->[1] } comments_pending(); + + my $template=template("commentmoderation.tmpl"); + $template->param( + sid => $session->id, + comments => \@comments, + ); + IkiWiki::printheader($session); + my $out=$template->output; + IkiWiki::run_hooks(format => sub { + $out = shift->(page => "", content => $out); + }); + print IkiWiki::misctemplate(gettext("comment moderation"), $out); + exit; +} - my $open = 0; - my $shown = pagespec_match($page, - $config{comments_shown_pagespec}, - location => $page); +sub formbuilder_setup (@) { + my %params=@_; - if (pagespec_match($page, "*/${comments_pagename}*", - location => $page)) { - $shown = 0; - $open = 0; + my $form=$params{form}; + if ($form->title eq "preferences") { + push @{$params{buttons}}, "Comment Moderation"; + if ($form->submitted && $form->submitted eq "Comment Moderation") { + commentmoderation($params{cgi}, $params{session}); } + } +} - if (length $config{cgiurl}) { - $open = pagespec_match($page, - $config{comments_open_pagespec}, - location => $page); +sub comments_pending () { + my $dir="$config{wikistatedir}/comments_pending/"; + return unless -d $dir; + + my @ret; + eval q{use File::Find}; + error($@) if $@; + find({ + no_chdir => 1, + wanted => sub { + $_=decode_utf8($_); + if (IkiWiki::file_pruned($_, $dir)) { + $File::Find::prune=1; + } + elsif (! -l $_ && ! -d _) { + $File::Find::prune=0; + my ($f)=/$config{wiki_file_regexp}/; # untaint + if (defined $f && $f =~ /\Q._comment\E$/) { + my $ctime=(stat($f))[10]; + $f=~s/^\Q$dir\E\/?//; + push @ret, [$f, $ctime]; + } + } } + }, $dir); + + return @ret; +} + +sub previewcomment ($$$) { + my $content=shift; + my $location=shift; + my $page=shift; + my $time=shift; + + my $preview = IkiWiki::htmlize($location, $page, '_comment', + IkiWiki::linkify($location, $page, + IkiWiki::preprocess($location, $page, + IkiWiki::filter($location, $page, $content), 0, 1))); + + my $template = template("comment.tmpl"); + $template->param(content => $preview); + $template->param(ctime => displaytime($time)); + + IkiWiki::run_hooks(pagetemplate => sub { + shift->(page => $location, + destpage => $page, + template => $template); + }); + + $template->param(have_actions => 0); + + return $template->output; +} + +sub commentsshown ($) { + my $page=shift; + + return ! pagespec_match($page, "*/$config{comments_pagename}*", + location => $page) && + pagespec_match($page, $config{comments_pagespec}, + location => $page); +} + +sub commentsopen ($) { + my $page = shift; + + return length $config{cgiurl} > 0 && + (! length $config{comments_closed_pagespec} || + ! pagespec_match($page, $config{comments_closed_pagespec}, + location => $page)); +} + +sub pagetemplate (@) { + my %params = @_; + my $page = $params{page}; + my $template = $params{template}; + my $shown = ($template->query(name => 'commentslink') || + $template->query(name => 'commentsurl') || + $template->query(name => 'atomcommentsurl') || + $template->query(name => 'comments')) && + commentsshown($page); + + if ($template->query(name => 'comments')) { + my $comments = undef; if ($shown) { $comments = IkiWiki::preprocess_inline( - pages => "internal($page/${comments_pagename}*)", - template => 'comments_display', + pages => "internal($page/$config{comments_pagename}*)", + template => 'comment', show => 0, reverse => 'yes', page => $page, @@ -570,33 +744,96 @@ sub pagetemplate (@) { #{{{ $template->param(comments => $comments); } - if ($open) { - my $commenturl = IkiWiki::cgiurl(do => 'comment', + if ($shown && commentsopen($page)) { + my $addcommenturl = IkiWiki::cgiurl(do => 'comment', page => $page); - $template->param(commenturl => $commenturl); + $template->param(addcommenturl => $addcommenturl); + } + } + + if ($template->query(name => 'commentsurl')) { + if ($shown) { + $template->param(commentsurl => + urlto($page, undef, 1).'#comments'); + } + } + + if ($template->query(name => 'atomcommentsurl') && $config{usedirs}) { + if ($shown) { + # This will 404 until there are some comments, but I + # think that's probably OK... + $template->param(atomcommentsurl => + urlto($page, undef, 1).'comments.atom'); + } + } + + if ($template->query(name => 'commentslink')) { + # XXX Would be nice to say how many comments there are in + # the link. But, to update the number, blog pages + # would have to update whenever comments of any inlines + # page are added, which is not currently done. + if ($shown) { + $template->param(commentslink => + htmllink($page, $params{destpage}, $page, + linktext => gettext("Comments"), + anchor => "comments", + noimageinline => 1)); } } + # everything below this point is only relevant to the comments + # themselves + if (!exists $commentstate{$page}) { + return; + } + if ($template->query(name => 'commentuser')) { $template->param(commentuser => - $pagestate{$page}{comments}{commentuser}); + $commentstate{$page}{commentuser}); + } + + if ($template->query(name => 'commentopenid')) { + $template->param(commentopenid => + $commentstate{$page}{commentopenid}); } if ($template->query(name => 'commentip')) { $template->param(commentip => - $pagestate{$page}{comments}{commentip}); + $commentstate{$page}{commentip}); } if ($template->query(name => 'commentauthor')) { $template->param(commentauthor => - $pagestate{$page}{comments}{commentauthor}); + $commentstate{$page}{commentauthor}); } if ($template->query(name => 'commentauthorurl')) { $template->param(commentauthorurl => - $pagestate{$page}{comments}{commentauthorurl}); + $commentstate{$page}{commentauthorurl}); + } + + if ($template->query(name => 'removeurl') && + IkiWiki::Plugin::remove->can("check_canremove") && + length $config{cgiurl}) { + $template->param(removeurl => IkiWiki::cgiurl(do => 'remove', + page => $page)); + $template->param(have_actions => 1); } -} # }}} +} + +sub unique_comment_location ($) { + my $page=shift; + my $dir=shift; + + my $location; + my $i = 0; + do { + $i++; + $location = "$page/$config{comments_pagename}$i"; + } while (-e "$dir/$location._comment"); + + return $location; +} package IkiWiki::PageSpec;