X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/edb69335f2ca5d42c62f6a4cce0b044da5ef88e8..8e738066bc1434f65d2e955e5c080c806a0ec797:/IkiWiki/Plugin/comments.pm?ds=sidebyside diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm index b45a4a97b..b2243ce4c 100644 --- a/IkiWiki/Plugin/comments.pm +++ b/IkiWiki/Plugin/comments.pm @@ -7,40 +7,122 @@ package IkiWiki::Plugin::comments; use warnings; use strict; -use IkiWiki 2.00; +use IkiWiki 3.00; use Encode; +use POSIX qw(strftime); use constant PREVIEW => "Preview"; use constant POST_COMMENT => "Post comment"; use constant CANCEL => "Cancel"; -sub import { #{{{ +my $postcomment; +my %commentstate; + +sub import { hook(type => "checkconfig", id => 'comments', call => \&checkconfig); hook(type => "getsetup", id => 'comments', call => \&getsetup); - hook(type => "preprocess", id => 'comment', call => \&preprocess); + hook(type => "preprocess", id => '_comment', call => \&preprocess); hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi); 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 htmlize { # {{{ +sub getsetup () { + return + plugin => { + safe => 1, + rebuild => 1, + }, + comments_pagespec => { + type => 'pagespec', + example => 'blog/* and !*/Discussion', + description => 'PageSpec of pages where comments are allowed', + link => 'ikiwiki/PageSpec', + safe => 1, + rebuild => 1, + }, + comments_closed_pagespec => { + type => 'pagespec', + 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', + default => 'comment_', + description => 'Base name for comments, e.g. "comment_" for pages like "sandbox/comment_12"', + safe => 0, # manual page moving required + rebuild => undef, + }, + comments_allowdirectives => { + type => 'boolean', + example => 0, + description => 'Interpret directives in comments?', + safe => 1, + rebuild => 0, + }, + comments_allowauthor => { + type => 'boolean', + example => 0, + description => 'Allow anonymous commenters to set an author name?', + safe => 1, + rebuild => 0, + }, + comments_commit => { + type => 'boolean', + example => 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 { my %params = @_; return $params{content}; -} # }}} +} -sub preprocess { # {{{ +# FIXME: copied verbatim from meta +sub safeurl ($) { + my $url=shift; + if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} && + defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) { + return $url=~/$IkiWiki::Plugin::htmlscrubber::safe_url_regexp/; + } + else { + return 1; + } +} + +sub preprocess { my %params = @_; my $page = $params{page}; my $format = $params{format}; - if (defined $format && !exists $IkiWiki::hooks{htmlize}{$format}) { + if (defined $format && ! exists $IkiWiki::hooks{htmlize}{$format}) { error(sprintf(gettext("unsupported page format %s"), $format)); } my $content = $params{content}; - if (!defined $content) { + if (! defined $content) { error(gettext("comment must have content")); } $content =~ s/\\"/"/g; @@ -53,8 +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->( @@ -64,38 +146,85 @@ sub preprocess { # {{{ ); }); - # override any metadata + # set metadata, possibly overriding [[!meta]] directives from the + # comment itself + my $commentuser; + my $commentip; + my $commentauthor; + my $commentauthorurl; + my $commentopenid; if (defined $params{username}) { - my ($authorurl, $author) = linkuser($params{username}); - $pagestate{$page}{meta}{author} = $author; - $pagestate{$page}{meta}{authorurl} = $authorurl; + $commentuser = $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}) { + $commentip = $params{ip}; + } + $commentauthor = gettext("Anonymous"); + } + + $commentstate{$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; } - elsif (defined $params{ip}) { - $pagestate{$page}{meta}{author} = sprintf( - gettext("Anonymous (IP: %s)"), - $params{ip}); - delete $pagestate{$page}{meta}{authorurl}; + + if ($config{comments_allowauthor}) { + if (defined $params{claimedauthor}) { + $pagestate{$page}{meta}{author} = $params{claimedauthor}; + } + + 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 { - $pagestate{$page}{meta}{author} = gettext("Anonymous"); - delete $pagestate{$page}{meta}{authorurl}; + $pagestate{$page}{meta}{author} = $commentauthor; + $pagestate{$page}{meta}{authorurl} = $commentauthorurl; } if (defined $params{subject}) { $pagestate{$page}{meta}{title} = $params{subject}; } - else { - delete $pagestate{$page}{meta}{title}; - } - 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 (! $@) { @@ -103,87 +232,16 @@ sub preprocess { # {{{ $IkiWiki::pagectime{$page} = $time if defined $time; } - # FIXME: hard-coded HTML (although it's just to set an ID) - return "
". + 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')) { @@ -444,9 +515,11 @@ sub sessioncgi ($$) { #{{{ # breaks it or something error($conflict) if defined $conflict; - # Bounce back to where we were, but defeat broken caches - my $anticache = "?updated=$page/${comments_pagename}${i}"; - IkiWiki::redirect($cgi, urlto($page, undef, 1).$anticache); + # Jump to the new comment on the page. + # The trailing question mark tries to avoid broken + # caches and get the most recent version of the page. + IkiWiki::redirect($cgi, urlto($page, undef, 1)."?updated#$location"); + } else { IkiWiki::showform ($form, \@buttons, $session, $cgi, @@ -454,62 +527,313 @@ sub sessioncgi ($$) { #{{{ } 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); + } + } - my $comments_pagename = $config{comments_pagename}; + 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 $open = 0; - my $shown = pagespec_match($page, - $config{comments_shown_pagespec}, - location => $page); + 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; +} + +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}); } + } +} + +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, "*/$config{comments_pagename}*", + location => $page) && + pagespec_match($page, $config{comments_pagespec}, + location => $page); +} + +sub commentsopen ($) { + my $page = shift; - my @args = ( - pages => "internal($page/${comments_pagename}*)", - template => 'comments_display', + 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/$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 => '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)); + $template->param(have_actions => 1); + } +} + +sub unique_comment_location ($) { + 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; @@ -517,7 +841,7 @@ 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);