X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/f88870f102e9578e0b44de056fec0bac2aff8b84..be092e56395fd70df71a062492e97794650ebf40:/IkiWiki/Plugin/comments.pm diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm index 45b13168a..d8318d3e3 100644 --- a/IkiWiki/Plugin/comments.pm +++ b/IkiWiki/Plugin/comments.pm @@ -8,174 +8,263 @@ package IkiWiki::Plugin::comments; use warnings; use strict; use IkiWiki 2.00; +use Encode; +use POSIX qw(strftime); use constant PREVIEW => "Preview"; use constant POST_COMMENT => "Post comment"; use constant CANCEL => "Cancel"; -sub import { #{{{ +my $postcomment; +my %commentstate; + +sub import { hook(type => "checkconfig", id => 'comments', call => \&checkconfig); hook(type => "getsetup", id => 'comments', call => \&getsetup); - hook(type => "preprocess", id => 'comments', call => \&preprocess); + hook(type => "preprocess", id => '_comment', call => \&preprocess); hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi); hook(type => "htmlize", id => "_comment", call => \&htmlize); hook(type => "pagetemplate", id => "comments", call => \&pagetemplate); + hook(type => "cgi", id => "comments", call => \&linkcgi); IkiWiki::loadplugin("inline"); - IkiWiki::loadplugin("mdwn"); -} # }}} - -sub htmlize { # {{{ - eval q{use IkiWiki::Plugin::mdwn}; - error($@) if ($@); - return IkiWiki::Plugin::mdwn::htmlize(@_) -} # }}} +} -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 will required + safe => 0, # manual page moving required rebuild => undef, }, comments_allowdirectives => { type => 'boolean', - default => 0, example => 0, - description => 'Allow directives in newly posted comments?', + 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, - 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}; +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}; -} #}}} +} -# Somewhat based on IkiWiki::Plugin::inline blog posting support -sub preprocess (@) { #{{{ - my %params=@_; +sub htmlize { + my %params = @_; + return $params{content}; +} - return ""; +# FIXME: copied verbatim from meta +sub safeurl ($) { + 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}; - $pagestate{$page}{comments}{comments} = defined $params{closed} - ? (not IkiWiki::yesno($params{closed})) - : 1; - $pagestate{$page}{comments}{allowdirectives} = IkiWiki::yesno($params{allowdirectives}); - $pagestate{$page}{comments}{commit} = defined $params{commit} - ? IkiWiki::yesno($params{commit}) - : 1; - - my $formtemplate = IkiWiki::template("comments_embed.tmpl", - blind_cache => 1); - $formtemplate->param(cgiurl => $config{cgiurl}); - $formtemplate->param(page => $params{page}); - - if (not $pagestate{$page}{comments}{comments}) { - $formtemplate->param("disabled" => - gettext('comments are closed')); - } - elsif ($params{preview}) { - $formtemplate->param("disabled" => - gettext('not available during Preview')); - } - - debug("page $params{page} => destpage $params{destpage}"); - - unless (defined $params{inline} && !IkiWiki::yesno($params{inline})) { - my $posts = ''; - eval q{use IkiWiki::Plugin::inline}; - error($@) if ($@); - my @args = ( - pages => "internal($params{page}/_comment_*)", - template => "comments_display", - show => 0, - reverse => "yes", - # special stuff passed through - page => $params{page}, + + my $format = $params{format}; + if (defined $format && ! exists $IkiWiki::hooks{htmlize}{$format}) { + error(sprintf(gettext("unsupported page format %s"), $format)); + } + + my $content = $params{content}; + if (! defined $content) { + error(gettext("comment must have content")); + } + $content =~ s/\\"/"/g; + + $content = IkiWiki::filter($page, $params{destpage}, $content); + + if ($config{comments_allowdirectives}) { + $content = IkiWiki::preprocess($page, $params{destpage}, + $content); + } + + # no need to bother with htmlize if it's just HTML + $content = IkiWiki::htmlize($page, $params{destpage}, $format, + $content) if defined $format; + + IkiWiki::run_hooks(sanitize => sub { + $content = shift->( + page => $page, destpage => $params{destpage}, - preview => $params{preview}, + content => $content, ); - push @args, atom => $params{atom} if defined $params{atom}; - push @args, rss => $params{rss} if defined $params{rss}; - push @args, feeds => $params{feeds} if defined $params{feeds}; - push @args, feedshow => $params{feedshow} if defined $params{feedshow}; - push @args, timeformat => $params{timeformat} if defined $params{timeformat}; - push @args, feedonly => $params{feedonly} if defined $params{feedonly}; - $posts = IkiWiki::preprocess_inline(@args); - $formtemplate->param("comments" => $posts); - } - - return $formtemplate->output; -} # }}} - -# FIXME: logic taken from editpage, should be common code? -sub getcgiuser ($) { # {{{ - my $session = shift; - my $user = $session->param('name'); - $user = $ENV{REMOTE_ADDR} unless defined $user; - debug("getcgiuser() -> $user"); - return $user; -} # }}} - -# FIXME: logic adapted from recentchanges, should be common code? -# returns (author URL, pretty-printed version) -sub linkuser ($) { # {{{ - my $user = shift; - my $oiduser = eval { IkiWiki::openiduser($user) }; - - if (defined $oiduser) { - return ($user, $oiduser); + }); + + # set metadata, possibly overriding [[!meta]] directives from the + # comment itself + + my $commentuser; + my $commentip; + my $commentauthor; + my $commentauthorurl; + my $commentopenid; + if (defined $params{username}) { + $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} = $commentauthorurl; + } + + if ($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 { - my $page = bestlink('', (length $config{userdir} - ? "$config{userdir}/" - : "").$user); - return (urlto($page, undef, 1), $user); + $pagestate{$page}{meta}{author} = $commentauthor; + $pagestate{$page}{meta}{authorurl} = $commentauthorurl; + } + + 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($params{page}), undef, 1). + "#".$params{page}; } -} # }}} + + eval q{use Date::Parse}; + if (! $@) { + my $time = str2time($params{date}); + $IkiWiki::pagectime{$page} = $time if defined $time; + } + + return $content; +} + +# This is exactly the same as recentchanges_link :-( +sub linkcgi ($) { + my $cgi=shift; + if (defined $cgi->param('do') && $cgi->param('do') eq "commenter") { + + my $page=decode_utf8($cgi->param("page")); + if (! defined $page) { + error("missing page parameter"); + } + + IkiWiki::loadindex(); + + my $link=bestlink("", $page); + if (! length $link) { + print "Content-type: text/html\n\n"; + print IkiWiki::misctemplate(gettext(gettext("missing page")), + "

". + sprintf(gettext("The page %s does not exist."), + htmllink("", "", $page)). + "

"); + } + else { + IkiWiki::redirect($cgi, urlto($link, undef, 1)); + } + + exit; + } +} # Mostly cargo-culted from IkiWiki::plugin::editpage -sub sessioncgi ($$) { #{{{ +sub sessioncgi ($$) { my $cgi=shift; my $session=shift; @@ -189,18 +278,16 @@ sub sessioncgi ($$) { #{{{ my @buttons = (POST_COMMENT, PREVIEW, CANCEL); my $form = CGI::FormBuilder->new( - fields => [qw{do sid page subject body}], + fields => [qw{do sid page subject editcontent type author url}], charset => 'utf-8', method => 'POST', - required => [qw{body}], + required => [qw{editcontent}], javascript => 0, params => $cgi, action => $config{cgiurl}, header => 0, table => 0, - template => scalar IkiWiki::template_params('comments_form.tmpl'), - # wtf does this do in editpage? - wikiname => $config{wikiname}, + template => scalar IkiWiki::template_params('editcomment.tmpl'), ); IkiWiki::decode_form_utf8($form); @@ -210,27 +297,52 @@ sub sessioncgi ($$) { #{{{ }); 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 $IkiWiki::hooks{htmlize}) { + @page_types = grep { ! /^_/ } keys %{$IkiWiki::hooks{htmlize}}; + } + $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); + } # 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); @@ -242,7 +354,7 @@ sub sessioncgi ($$) { #{{{ htmllink($page, $page, 'ikiwiki/formatting', noimageinline => 1, linktext => 'FormattingHelp'), - allowdirectives => $allow_directives); + allowdirectives => $config{allow_directives}); if ($form->submitted eq CANCEL) { # bounce back to the page they wanted to comment on, and exit. @@ -257,34 +369,18 @@ sub sessioncgi ($$) { #{{{ $page)); } - if (not pagespec_match($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, $session); - - my ($authorurl, $author) = linkuser(getcgiuser($session)); - - 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: check that the wiki is locked right now, because - # if it's not, there are mad race conditions! + # 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; # FIXME: rather a simplistic way to make the comments... my $i = 0; @@ -292,32 +388,50 @@ sub sessioncgi ($$) { #{{{ my $location; do { $i++; - $location = "$page/${comments_pagename}${i}"; + $location = "$page/$config{comments_pagename}$i"; } while (-e "$config{srcdir}/$location._comment"); - my $anchor = "${comments_pagename}${i}"; + my $content = "[[!_comment format=$type\n"; - IkiWiki::run_hooks(sanitize => sub { - $body=shift->( - page => $location, - destpage => $location, - content => $body, - ); - }); + # 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"; + } + } - # 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")); + if ($config{comments_allowauthor}) { + my $author = $form->field('author'); + if (length $author) { + $author =~ s/"/"/g; + $content .= " claimedauthor=\"$author\"\n"; + } + my $url = $form->field('url'); + if (length $url) { + $url =~ s/"/"/g; + $content .= " url=\"$url\"\n"; + } + } + + my $subject = $form->field('subject'); + if (length $subject) { + $subject =~ s/"/"/g; + $content .= " subject=\"$subject\"\n"; + } - my $content = $content_tmpl->output; + $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n"; + + 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"; # This is essentially a simplified version of editpage: # - the user does not control the page that's created, only the parent @@ -326,9 +440,9 @@ 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, + my $preview = IkiWiki::htmlize($location, $page, '_comment', + IkiWiki::linkify($location, $page, + IkiWiki::preprocess($location, $page, IkiWiki::filter($location, $page, $content), 0, 1))); @@ -337,12 +451,16 @@ sub sessioncgi ($$) { #{{{ content => $preview); }); - my $template = template("comments_display.tmpl"); + my $template = template("comment.tmpl"); $template->param(content => $preview); $template->param(title => $form->field('subject')); $template->param(ctime => displaytime(time)); - $template->param(author => $author); - $template->param(authorurl => $authorurl); + + IkiWiki::run_hooks(pagetemplate => sub { + shift->(page => $location, + destpage => $page, + template => $template); + }); $form->tmpl_param(page_preview => $template->output); } @@ -353,7 +471,7 @@ sub sessioncgi ($$) { #{{{ if ($form->submitted eq POST_COMMENT && $form->validate) { my $file = "$location._comment"; - IkiWiki::checksessionexpiry($session, $cgi->param('sid')); + IkiWiki::checksessionexpiry($cgi, $session); # FIXME: could probably do some sort of graceful retry # on error? Would require significant unwinding though @@ -361,7 +479,7 @@ sub sessioncgi ($$) { #{{{ my $conflict; - if ($config{rcs} and $commit_comments) { + if ($config{rcs} and $config{comments_commit}) { my $message = gettext("Added a comment"); if (defined $form->field('subject') && length $form->field('subject')) { @@ -387,9 +505,8 @@ sub sessioncgi ($$) { #{{{ # 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).$anticache); + # Jump to the new comment on the page. + IkiWiki::redirect($cgi, urlto($page, undef, 1)."#$location"); } else { IkiWiki::showform ($form, \@buttons, $session, $cgi, @@ -397,62 +514,118 @@ sub sessioncgi ($$) { #{{{ } exit; -} #}}} +} -sub pagetemplate (@) { #{{{ +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; - - my $comments_pagename = $config{comments_pagename}; - - my $open = 0; - my $shown = pagespec_match($page, - $config{comments_shown_pagespec}, - location => $page); - - if (pagespec_match($page, "*/${comments_pagename}*", - location => $page)) { - $shown = 0; - $open = 0; - } - - if (length $config{cgiurl}) { - $open = pagespec_match($page, - $config{comments_open_pagespec}, - location => $page); - } - if ($shown) { - eval q{use IkiWiki::Plugin::inline}; - error($@) if $@; - - my @args = ( - pages => "internal($page/${comments_pagename}*)", - template => 'comments_display', + $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)); + } + } + + 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}); + } +} package IkiWiki::PageSpec; @@ -460,7 +633,7 @@ 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);