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po(_istranslation): fix unitialized value
[git.ikiwiki.info.git] / IkiWiki / Plugin / comments.pm
diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index 73f8d6140c7f2455ffd539153f09712438d40195..1c4ab4895f0e16f90d33b4dbb347ecc7fbc9192c 100644 (file)
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -7,105 +7,240 @@ package IkiWiki::Plugin::comments;
 
 use warnings;
 use strict;
 
 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";
 
 
 use constant PREVIEW => "Preview";
 use constant POST_COMMENT => "Post comment";
 use constant CANCEL => "Cancel";
 
-sub import { #{{{
+my $postcomment;
+my %commentstate;
+
+sub import {
        hook(type => "checkconfig", id => 'comments',  call => \&checkconfig);
        hook(type => "getsetup", id => 'comments',  call => \&getsetup);
        hook(type => "checkconfig", id => 'comments',  call => \&checkconfig);
        hook(type => "getsetup", id => 'comments',  call => \&getsetup);
+       hook(type => "preprocess", id => '_comment', call => \&preprocess);
        hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi);
        hook(type => "htmlize", id => "_comment", call => \&htmlize);
        hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);
        hook(type => "cgi", id => "comments", call => \&linkcgi);
        IkiWiki::loadplugin("inline");
        hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi);
        hook(type => "htmlize", id => "_comment", call => \&htmlize);
        hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);
        hook(type => "cgi", id => "comments", call => \&linkcgi);
        IkiWiki::loadplugin("inline");
-       IkiWiki::loadplugin("mdwn");
-} # }}}
-
-sub htmlize { # {{{
-       eval q{use IkiWiki::Plugin::mdwn};
-       error($@) if ($@);
-       return IkiWiki::Plugin::mdwn::htmlize(@_)
-} # }}}
+}
 
 
-sub getsetup () { #{{{
+sub getsetup () {
        return
                plugin => {
                        safe => 1,
                        rebuild => 1,
                },
        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',
                        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,
                },
                        link => 'ikiwiki/PageSpec',
                        safe => 1,
                        rebuild => 1,
                },
-               comments_open_pagespec => {
+               comments_closed_pagespec => {
                        type => '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',
                        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"',
                        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',
                        rebuild => undef,
                },
                comments_allowdirectives => {
                        type => 'boolean',
-                       default => 0,
                        example => 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,
                        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,
                },
                        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};
        $config{comments_pagename} = 'comment_'
                unless defined $config{comments_pagename};
-} #}}}
+}
+
+sub htmlize {
+       my %params = @_;
+       return $params{content};
+}
+
+# FIXME: copied verbatim from meta
+sub safeurl ($) {
+       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}) {
+               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);
 
 
-# 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 $user;
-} # }}}
+       if ($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},
+                       content => $content,
+               );
+       });
+
+       # 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 {
+               $pagestate{$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 :-(
 
 # 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") {
 
                my $page=decode_utf8($cgi->param("page"));
        my $cgi=shift;
        if (defined $cgi->param('do') && $cgi->param('do') eq "commenter") {
 
                my $page=decode_utf8($cgi->param("page"));
-               if (!defined $page) {
+               if (! defined $page) {
                        error("missing page parameter");
                }
 
                        error("missing page parameter");
                }
 
@@ -128,29 +263,8 @@ 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) };
-
-       if (defined $oiduser) {
-               return ($user, $oiduser);
-       }
-       # 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);
-       }
-} # }}}
-
 # Mostly cargo-culted from IkiWiki::plugin::editpage
 # Mostly cargo-culted from IkiWiki::plugin::editpage
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
        my $cgi=shift;
        my $session=shift;
 
        my $cgi=shift;
        my $session=shift;
 
@@ -164,18 +278,16 @@ sub sessioncgi ($$) { #{{{
 
        my @buttons = (POST_COMMENT, PREVIEW, CANCEL);
        my $form = CGI::FormBuilder->new(
 
        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',
                charset => 'utf-8',
                method => 'POST',
-               required => [qw{body}],
+               required => [qw{editcontent}],
                javascript => 0,
                params => $cgi,
                action => $config{cgiurl},
                header => 0,
                table => 0,
                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);
        );
 
        IkiWiki::decode_form_utf8($form);
@@ -185,27 +297,52 @@ sub sessioncgi ($$) { #{{{
                });
        IkiWiki::decode_form_utf8($form);
 
                });
        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 => '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);
 
        # 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"));
        }
 
                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);
        # 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);
@@ -217,7 +354,7 @@ sub sessioncgi ($$) { #{{{
                htmllink($page, $page, 'ikiwiki/formatting',
                        noimageinline => 1,
                        linktext => 'FormattingHelp'),
                htmllink($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.
 
        if ($form->submitted eq CANCEL) {
                # bounce back to the page they wanted to comment on, and exit.
@@ -232,34 +369,18 @@ sub sessioncgi ($$) { #{{{
                        $page));
        }
 
                        $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));
        }
 
                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;
 
        # FIXME: rather a simplistic way to make the comments...
        my $i = 0;
@@ -267,32 +388,50 @@ sub sessioncgi ($$) { #{{{
        my $location;
        do {
                $i++;
        my $location;
        do {
                $i++;
-               $location = "$page/${comments_pagename}${i}";
+               $location = "$page/$config{comments_pagename}$i";
        } while (-e "$config{srcdir}/$location._comment");
 
        } 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=\"$1\"\n";
+               }
+       }
+
+       if ($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";
+       }
 
 
-       # 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"));
+       $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n";
 
 
-       my $content = $content_tmpl->output;
+       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
 
        # This is essentially a simplified version of editpage:
        # - the user does not control the page that's created, only the parent
@@ -301,9 +440,9 @@ sub sessioncgi ($$) { #{{{
        # - this means that if they do, rocks fall and everyone dies
 
        if ($form->submitted eq PREVIEW) {
        # - 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, $content),
                                                0, 1)));
                                                IkiWiki::filter($location,
                                                        $page, $content),
                                                0, 1)));
@@ -312,12 +451,16 @@ sub sessioncgi ($$) { #{{{
                                        content => $preview);
                        });
 
                                        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(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);
        }
 
                $form->tmpl_param(page_preview => $template->output);
        }
@@ -328,7 +471,7 @@ sub sessioncgi ($$) { #{{{
        if ($form->submitted eq POST_COMMENT && $form->validate) {
                my $file = "$location._comment";
 
        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
 
                # FIXME: could probably do some sort of graceful retry
                # on error? Would require significant unwinding though
@@ -336,7 +479,7 @@ sub sessioncgi ($$) { #{{{
 
                my $conflict;
 
 
                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')) {
                        my $message = gettext("Added a comment");
                        if (defined $form->field('subject') &&
                                length $form->field('subject')) {
@@ -362,9 +505,11 @@ sub sessioncgi ($$) { #{{{
                # breaks it or something
                error($conflict) if defined $conflict;
 
                # 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, $cgi,
        }
        else {
                IkiWiki::showform ($form, \@buttons, $session, $cgi,
@@ -372,62 +517,132 @@ sub sessioncgi ($$) { #{{{
        }
 
        exit;
        }
 
        exit;
-} #}}}
+}
+
+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;
 
 
-sub pagetemplate (@) { #{{{
+       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 %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 ($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) {
                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},
                                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 (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);
                                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);
+       }
+}
 
 package IkiWiki::PageSpec;
 
 
 package IkiWiki::PageSpec;
 
@@ -435,7 +650,7 @@ sub match_postcomment ($$;@) {
        my $page = shift;
        my $glob = shift;
 
        my $page = shift;
        my $glob = shift;
 
-       unless ($page =~ s/\[postcomment\]$//) {
+       if (! $postcomment) {
                return IkiWiki::FailReason->new("not posting a comment");
        }
        return match_glob($page, $glob);
                return IkiWiki::FailReason->new("not posting a comment");
        }
        return match_glob($page, $glob);
Unnamed repository; edit this file 'description' to name the repository.