". - sprintf(gettext("The page %s does not exist."), - htmllink("", "", $page)). - "
"); + my $oiduser = eval { IkiWiki::openiduser($commentuser) }; + + if (defined $oiduser) { + # looks like an OpenID + $commentauthorurl = $commentuser; + $commentauthor = $oiduser; + $commentopenid = $commentuser; } else { - IkiWiki::redirect($cgi, urlto($link, undef, 1)); + $commentauthorurl = IkiWiki::cgiurl( + do => 'goto', + page => (length $config{userdir} + ? "$config{userdir}/$commentuser" + : "$commentuser")); + + $commentauthor = $commentuser; + } + } + else { + if (defined $params{ip}) { + $commentip = $params{ip}; } + $commentauthor = gettext("Anonymous"); + } - exit; + $commentstate{$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; + } + if (! defined $pagestate{$page}{meta}{authorurl}) { + $pagestate{$page}{meta}{authorurl} = $commentauthorurl; } -} -# FIXME: basically the same logic as recentchanges -# returns (author URL, pretty-printed version) -sub linkuser ($) { # {{{ - my $user = shift; - my $oiduser = eval { IkiWiki::openiduser($user) }; + if ($config{comments_allowauthor}) { + if (defined $params{claimedauthor}) { + $pagestate{$page}{meta}{author} = $params{claimedauthor}; + } + + if (defined $params{url}) { + my $url=$params{url}; - if (defined $oiduser) { - return ($user, $oiduser); + eval q{use URI::Heuristic}; + if (! $@) { + $url=URI::Heuristic::uf_uristr($url); + } + + if (safeurl($url)) { + $pagestate{$page}{meta}{authorurl} = $url; + } + } } - # 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); + $pagestate{$page}{meta}{author} = $commentauthor; + $pagestate{$page}{meta}{authorurl} = $commentauthorurl; } -} # }}} -# Mostly cargo-culted from IkiWiki::plugin::editpage -sub sessioncgi ($$) { #{{{ + if (defined $params{subject}) { + $pagestate{$page}{meta}{title} = $params{subject}; + } + + if ($params{page} =~ m/\/\Q$config{comments_pagename}\E\d+_/) { + $pagestate{$page}{meta}{permalink} = urlto(IkiWiki::dirname($params{page}), undef, 1). + "#".page_to_id($params{page}); + } + + eval q{use Date::Parse}; + if (! $@) { + my $time = str2time($params{date}); + $IkiWiki::pagectime{$page} = $time if defined $time; + } + + return $content; +} + +sub sessioncgi ($$) { my $cgi=shift; my $session=shift; my $do = $cgi->param('do'); - return unless $do eq 'comment'; + if ($do eq 'comment') { + editcomment($cgi, $session); + } + elsif ($do eq 'commentmoderation') { + commentmoderation($cgi, $session); + } +} + +# Mostly cargo-culted from IkiWiki::plugin::editpage +sub editcomment ($$) { + my $cgi=shift; + my $session=shift; IkiWiki::decode_cgi_utf8($cgi); @@ -223,18 +263,16 @@ sub sessioncgi ($$) { #{{{ my @buttons = (POST_COMMENT, PREVIEW, CANCEL); my $form = CGI::FormBuilder->new( - fields => [qw{do sid page subject body}], + fields => [qw{do sid page subject editcontent type author url}], charset => 'utf-8', method => 'POST', - required => [qw{body}], + required => [qw{editcontent}], javascript => 0, params => $cgi, 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); @@ -244,29 +282,64 @@ sub sessioncgi ($$) { #{{{ }); IkiWiki::decode_form_utf8($form); + my $type = $form->param('type'); + if (defined $type && length $type && $IkiWiki::hooks{htmlize}{$type}) { + $type = IkiWiki::possibly_foolish_untaint($type); + } + else { + $type = $config{default_pageext}; + } + + + my @page_types; + if (exists $IkiWiki::hooks{htmlize}) { + foreach my $key (grep { !/^_/ } keys %{$IkiWiki::hooks{htmlize}}) { + push @page_types, [$key, $IkiWiki::hooks{htmlize}{$key}{longname} || $key]; + } + } + @page_types=sort @page_types; + $form->field(name => 'do', type => 'hidden'); $form->field(name => 'sid', type => 'hidden', value => $session->id, force => 1); $form->field(name => 'page', type => 'hidden'); $form->field(name => 'subject', type => 'text', size => 72); - $form->field(name => 'body', type => 'textarea', rows => 5, - cols => 80); + $form->field(name => 'editcontent', type => 'textarea', rows => 10); + $form->field(name => "type", value => $type, force => 1, + type => 'select', options => \@page_types); + + $form->tmpl_param(username => $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'); + } + else { + $form->tmpl_param(allowauthor => 0); + $form->field(name => 'author', type => 'hidden', value => '', + force => 1); + $form->field(name => 'url', type => 'hidden', value => '', + force => 1); + } + + if (! defined $session->param('name')) { + # Make signinurl work and return here. + $form->tmpl_param(signinurl => IkiWiki::cgiurl(do => 'signin')); + $session->param(postsignin => $ENV{QUERY_STRING}); + IkiWiki::cgi_savesession($session); + } # The untaint is OK (as in editpage) because we're about to pass # it to file_pruned anyway my $page = $form->field('page'); $page = IkiWiki::possibly_foolish_untaint($page); - if (!defined $page || !length $page || + if (! defined $page || ! length $page || IkiWiki::file_pruned($page, $config{srcdir})) { 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"), @@ -276,7 +349,7 @@ 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. @@ -291,67 +364,65 @@ 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"), $page)); } - IkiWiki::check_canedit($page . "[postcomment]", $cgi, $session); + # Set a flag to indicate that we're posting a comment, + # so that postcomment() can tell it should match. + $postcomment=1; + IkiWiki::check_canedit($page, $cgi, $session); + $postcomment=0; - my ($authorurl, $author) = linkuser(getcgiuser($session)); + my $content = "[[!comment format=$type\n"; - my $body = $form->field('body') || ''; - $body =~ s/\r\n/\n/g; - $body =~ s/\r/\n/g; - $body .= "\n" if $body !~ /\n$/; - - unless ($allow_directives) { - # don't allow new-style directives at all - $body =~ s/(^|[^\\])\[\[!/$1[[!/g; - - # don't allow [[ unless it begins an old-style - # wikilink, if prefix_directives is off - $body =~ s/(^|[^\\])\[\[(?![^\n\s\]+]\]\])/$1[[!/g - unless $config{prefix_directives}; + # FIXME: handling of double quotes probably wrong? + if (defined $session->param('name')) { + my $username = $session->param('name'); + $username =~ s/"/"/g; + $content .= " username=\"$username\"\n"; + } + elsif (defined $ENV{REMOTE_ADDR}) { + my $ip = $ENV{REMOTE_ADDR}; + if ($ip =~ m/^([.0-9]+)$/) { + $content .= " ip=\"$1\"\n"; + } } - # 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"); + if ($config{comments_allowauthor}) { + my $author = $form->field('author'); + if (defined $author && length $author) { + $author =~ s/"/"/g; + $content .= " claimedauthor=\"$author\"\n"; + } + my $url = $form->field('url'); + if (defined $url && length $url) { + $url =~ s/"/"/g; + $content .= " url=\"$url\"\n"; + } + } - my $anchor = "${comments_pagename}${i}"; + my $subject = $form->field('subject'); + if (defined $subject && length $subject) { + $subject =~ s/"/"/g; + } + else { + $subject = "comment ".(num_comments($page, $config{srcdir}) + 1); + } + $content .= " subject=\"$subject\"\n"; - IkiWiki::run_hooks(sanitize => sub { - $body=shift->( - page => $location, - destpage => $location, - content => $body, - ); - }); + $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n"; - # In this template, the [[!meta]] directives should stay at the end, - # so that they will override anything the user specifies. (For - # instance, [[!meta author="I can fake the author"]]...) - my $content_tmpl = template('comments_comment.tmpl'); - $content_tmpl->param(author => $author); - $content_tmpl->param(authorurl => $authorurl); - $content_tmpl->param(subject => $form->field('subject')); - $content_tmpl->param(body => $body); - $content_tmpl->param(anchor => "$anchor"); - $content_tmpl->param(permalink => "$baseurl#$anchor"); - $content_tmpl->param(date => IkiWiki::formattime(time, "%X %x")); + my $editcontent = $form->field('editcontent') || ''; + $editcontent =~ s/\r\n/\n/g; + $editcontent =~ s/\r/\n/g; + $editcontent =~ s/"/\\"/g; + $content .= " content=\"\"\"\n$editcontent\n\"\"\"]]\n"; - my $content = $content_tmpl->output; + my $location=unique_comment_location($page, $content, $config{srcdir}); # This is essentially a simplified version of editpage: # - the user does not control the page that's created, only the parent @@ -360,42 +431,54 @@ sub sessioncgi ($$) { #{{{ # - this means that if they do, rocks fall and everyone dies if ($form->submitted eq PREVIEW) { - my $preview = IkiWiki::htmlize($location, $page, 'mdwn', - 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)); - $template->param(author => $author); - $template->param(authorurl => $authorurl); - - $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, $content, $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')) { @@ -421,9 +504,12 @@ 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($page, undef, 1). + "?updated#".page_to_id($location)); + } else { IkiWiki::showform ($form, \@buttons, $session, $cgi, @@ -431,70 +517,351 @@ 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, $content, $config{srcdir})."._comment"; + writefile($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 ($form->title eq "preferences" && + IkiWiki::is_admin($params{session}->param("name"))) { + push @{$params{buttons}}, "Comment Moderation"; + if ($form->submitted && $form->submitted eq "Comment Moderation") { + commentmoderation($params{cgi}, $params{session}); } + } +} + +sub comments_pending () { + my $dir="$config{wikistatedir}/comments_pending/"; + return unless -d $dir; - if (length $config{cgiurl}) { - $open = pagespec_match($page, - $config{comments_open_pagespec}, - location => $page); + my @ret; + eval q{use File::Find}; + error($@) 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]; + } + } } + }, $dir); - if ($shown) { - eval q{use IkiWiki::Plugin::inline}; - error($@) if $@; + 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, "internal(*/$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 @args = ( - pages => "internal($page/${comments_pagename}*)", - template => 'comments_display', + 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/$config{comments_pagename}*)", + template => 'comment', show => 0, reverse => 'yes', page => $page, destpage => $params{destpage}, + feedfile => 'comments', + emptyfeeds => 'no', ); - $comments = IkiWiki::preprocess_inline(@args); } if (defined $comments && length $comments) { $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 => 'commentid')) { + $template->param(commentid => page_to_id($page)); + } + + if ($template->query(name => 'commentuser')) { + $template->param(commentuser => + $commentstate{$page}{commentuser}); + } + + if ($template->query(name => 'commentopenid')) { + $template->param(commentopenid => + $commentstate{$page}{commentopenid}); + } + + if ($template->query(name => 'commentip')) { + $template->param(commentip => + $commentstate{$page}{commentip}); + } + + if ($template->query(name => 'commentauthor')) { + $template->param(commentauthor => + $commentstate{$page}{commentauthor}); + } + + if ($template->query(name => 'commentauthorurl')) { + $template->param(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 num_comments ($$) { + my $page=shift; + my $dir=shift; + + my @comments=glob("$dir/$page/$config{comments_pagename}*._comment"); + return @comments; +} + +sub unique_comment_location ($$$) { + my $page=shift; + + eval q{use Digest::MD5 'md5_hex'}; + error($@) if $@; + my $content_md5=md5_hex(shift); + + my $dir=shift; + + my $location; + my $i = num_comments($page, $dir); + do { + $i++; + $location = "$page/$config{comments_pagename}${i}_${content_md5}"; + } while (-e "$dir/$location._comment"); + + return $location; +} + +sub page_to_id ($) { + # Converts a comment page name into a unique, legal html id + # addtibute value, that can be used as an anchor to link to the + # comment. + my $page=shift; + + eval q{use Digest::MD5 'md5_hex'}; + error($@) if $@; + + return "comment-".md5_hex($page); +} + package IkiWiki::PageSpec; sub match_postcomment ($$;@) { my $page = shift; my $glob = shift; - unless ($page =~ s/\[postcomment\]$//) { + if (! $postcomment) { return IkiWiki::FailReason->new("not posting a comment"); } return match_glob($page, $glob);