passwordauth: avoid userinfo forgery via repeated email parameter

[git.ikiwiki.info.git] / IkiWiki / Plugin / comments.pm

diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index 89560c88b11e803787df08bff66d50836756275c..285013e49175c8651055bb53e34e71e44115699c 100644 (file)
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -9,7 +9,6 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
 use strict;
 use IkiWiki 3.00;
 use Encode;

-use POSIX qw(strftime);

 
 use constant PREVIEW => "Preview";
 use constant POST_COMMENT => "Post comment";
 
 use constant PREVIEW => "Preview";
 use constant POST_COMMENT => "Post comment";


@@ -21,13 +20,18 @@ my %commentstate;
 sub import {
        hook(type => "checkconfig", id => 'comments',  call => \&checkconfig);
        hook(type => "getsetup", id => 'comments',  call => \&getsetup);
 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,
+               scan => 1);
+       hook(type => "preprocess", id => 'commentmoderation', call => \&preprocess_moderation);

        # here for backwards compatability with old comments
        hook(type => "preprocess", id => '_comment', call => \&preprocess);
        hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi);
        hook(type => "htmlize", id => "_comment", call => \&htmlize);
        # here for backwards compatability with old comments
        hook(type => "preprocess", id => '_comment', call => \&preprocess);
        hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi);
        hook(type => "htmlize", id => "_comment", call => \&htmlize);

+       hook(type => "htmlize", id => "_comment_pending",
+               call => \&htmlize_pending);

        hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);
        hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);

-       hook(type => "formbuilder_setup", id => "comments", call => \&formbuilder_setup);
+       hook(type => "formbuilder_setup", id => "comments",
+               call => \&formbuilder_setup);

        # Load goto to fix up user page links for logged-in commenters
        IkiWiki::loadplugin("goto");
        IkiWiki::loadplugin("inline");
        # Load goto to fix up user page links for logged-in commenters
        IkiWiki::loadplugin("goto");
        IkiWiki::loadplugin("inline");


@@ -104,6 +108,14 @@ sub htmlize {
        return $params{content};
 }
 
        return $params{content};
 }
 

+sub htmlize_pending {
+       my %params = @_;
+       return sprintf(gettext("this comment needs %s"),
+               '<a href="'.
+               IkiWiki::cgiurl(do => "commentmoderation").'">'.
+               gettext("moderation").'</a>');
+}
+

 # FIXME: copied verbatim from meta
 sub safeurl ($) {
        my $url=shift;
 # FIXME: copied verbatim from meta
 sub safeurl ($) {
        my $url=shift;


@@ -131,24 +143,27 @@ sub preprocess {
        }
        $content =~ s/\\"/"/g;
 
        }
        $content =~ s/\\"/"/g;
 

-       $content = IkiWiki::filter($page, $params{destpage}, $content);
-
-       if ($config{comments_allowdirectives}) {
-               $content = IkiWiki::preprocess($page, $params{destpage},
-                       $content);
-       }
+       if (defined wantarray) {
+               if ($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;
+               # 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,
-               );
-       });
+               IkiWiki::run_hooks(sanitize => sub {
+                       $content = shift->(
+                               page => $page,
+                               destpage => $params{destpage},
+                               content => $content,
+                       );
+               });
+       }
+       else {
+               IkiWiki::preprocess($page, $params{destpage}, $content, 1);
+       }

 
        # set metadata, possibly overriding [[!meta]] directives from the
        # comment itself
 
        # set metadata, possibly overriding [[!meta]] directives from the
        # comment itself


@@ -166,7 +181,7 @@ sub preprocess {
                if (defined $oiduser) {
                        # looks like an OpenID
                        $commentauthorurl = $commentuser;
                if (defined $oiduser) {
                        # looks like an OpenID
                        $commentauthorurl = $commentuser;

-                       $commentauthor = $oiduser;
+                       $commentauthor = (defined $params{nickname} && length $params{nickname}) ? $params{nickname} : $oiduser;

                        $commentopenid = $commentuser;
                }
                else {
                        $commentopenid = $commentuser;
                }
                else {


@@ -190,6 +205,7 @@ sub preprocess {
        $commentstate{$page}{commentip} = $commentip;
        $commentstate{$page}{commentauthor} = $commentauthor;
        $commentstate{$page}{commentauthorurl} = $commentauthorurl;
        $commentstate{$page}{commentip} = $commentip;
        $commentstate{$page}{commentauthor} = $commentauthor;
        $commentstate{$page}{commentauthorurl} = $commentauthorurl;

+       $commentstate{$page}{commentauthoravatar} = $params{avatar};

        if (! defined $pagestate{$page}{meta}{author}) {
                $pagestate{$page}{meta}{author} = $commentauthor;
        }
        if (! defined $pagestate{$page}{meta}{author}) {
                $pagestate{$page}{meta}{author} = $commentauthor;
        }


@@ -206,7 +222,7 @@ sub preprocess {
                        my $url=$params{url};
 
                        eval q{use URI::Heuristic}; 
                        my $url=$params{url};
 
                        eval q{use URI::Heuristic}; 

-                       if (! $@) {
+                       if (! $@) {

                                $url=URI::Heuristic::uf_uristr($url);
                        }
 
                                $url=URI::Heuristic::uf_uristr($url);
                        }
 


@@ -227,7 +243,7 @@ sub preprocess {
        }
 
        if ($params{page} =~ m/\/\Q$config{comments_pagename}\E\d+_/) {
        }
 
        if ($params{page} =~ m/\/\Q$config{comments_pagename}\E\d+_/) {

-               $pagestate{$page}{meta}{permalink} = urlto(IkiWiki::dirname($params{page}), undef, 1).
+               $pagestate{$page}{meta}{permalink} = urlto(IkiWiki::dirname($params{page})).

                        "#".page_to_id($params{page});
        }
 
                        "#".page_to_id($params{page});
        }
 


@@ -240,6 +256,22 @@ sub preprocess {
        return $content;
 }
 
        return $content;
 }
 

+sub preprocess_moderation {
+       my %params = @_;
+
+       $params{desc}=gettext("Comment Moderation")
+               unless defined $params{desc};
+
+       if (length $config{cgiurl}) {
+               return '<a href="'.
+                       IkiWiki::cgiurl(do => 'commentmoderation').
+                       '">'.$params{desc}.'</a>';
+       }
+       else {
+               return $params{desc};
+       }
+}
+

 sub sessioncgi ($$) {
        my $cgi=shift;
        my $session=shift;
 sub sessioncgi ($$) {
        my $cgi=shift;
        my $session=shift;


@@ -251,6 +283,10 @@ sub sessioncgi ($$) {
        elsif ($do eq 'commentmoderation') {
                commentmoderation($cgi, $session);
        }
        elsif ($do eq 'commentmoderation') {
                commentmoderation($cgi, $session);
        }

+       elsif ($do eq 'commentsignin') {
+               IkiWiki::cgi_signin($cgi, $session);
+               exit;
+       }

 }
 
 # Mostly cargo-culted from IkiWiki::plugin::editpage
 }
 
 # Mostly cargo-culted from IkiWiki::plugin::editpage


@@ -265,13 +301,14 @@ sub editcomment ($$) {
 
        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 editcontent type author url}],
+               fields => [qw{do sid page subject editcontent type author
+                       email url subscribe anonsubscribe}],

                charset => 'utf-8',
                method => 'POST',
                required => [qw{editcontent}],
                javascript => 0,
                params => $cgi,
                charset => 'utf-8',
                method => 'POST',
                required => [qw{editcontent}],
                javascript => 0,
                params => $cgi,

-               action => $config{cgiurl},
+               action => IkiWiki::cgiurl(),

                header => 0,
                table => 0,
                template => { template('editcomment.tmpl') },
                header => 0,
                table => 0,
                template => { template('editcomment.tmpl') },


@@ -310,42 +347,57 @@ sub editcomment ($$) {
        $form->field(name => "type", value => $type, force => 1,
                type => 'select', options => \@page_types);
 
        $form->field(name => "type", value => $type, force => 1,
                type => 'select', options => \@page_types);
 

-       $form->tmpl_param(username => $session->param('name'));
+       my $username=$session->param('name');
+       $form->tmpl_param(username => $username);
+               
+       $form->field(name => "subscribe", type => 'hidden');
+       $form->field(name => "anonsubscribe", type => 'hidden');
+       if (IkiWiki::Plugin::notifyemail->can("subscribe")) {
+               if (defined $username) {
+                       $form->field(name => "subscribe", type => "checkbox",
+                               options => [gettext("email replies to me")]);
+               }
+               elsif (IkiWiki::Plugin::passwordauth->can("anonuser")) {
+                       $form->field(name => "anonsubscribe", type => "checkbox",
+                               options => [gettext("email replies to me")]);
+               }
+       }

 
        if ($config{comments_allowauthor} and
            ! defined $session->param('name')) {
                $form->tmpl_param(allowauthor => 1);
                $form->field(name => 'author', type => 'text', size => '40');
 
        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 => 'email', 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 => 'text', size => '40');
        }
        else {
                $form->tmpl_param(allowauthor => 0);
                $form->field(name => 'author', type => 'hidden', value => '',
                        force => 1);

+               $form->field(name => 'email', 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->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'));
+               $form->tmpl_param(signinurl => IkiWiki::cgiurl(do => 'commentsignin'));

                $session->param(postsignin => $ENV{QUERY_STRING});
                IkiWiki::cgi_savesession($session);
        }
 
        # The untaint is OK (as in editpage) because we're about to pass
                $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 = $form->field('page');
+       # it to file_pruned and wiki_file_regexp anyway.
+       my ($page) = $form->field('page')=~/$config{wiki_file_regexp}/;

        $page = IkiWiki::possibly_foolish_untaint($page);
        if (! defined $page || ! length $page ||
                IkiWiki::file_pruned($page)) {
                error(gettext("bad page name"));
        }
 
        $page = IkiWiki::possibly_foolish_untaint($page);
        if (! defined $page || ! length $page ||
                IkiWiki::file_pruned($page)) {
                error(gettext("bad page name"));
        }
 

-       my $baseurl = urlto($page, undef, 1);
-

        $form->title(sprintf(gettext("commenting on %s"),
        $form->title(sprintf(gettext("commenting on %s"),

-                       IkiWiki::pagetitle($page)));
+                       IkiWiki::pagetitle(IkiWiki::basename($page))));

 
        $form->tmpl_param('helponformattinglink',
                htmllink($page, $page, 'ikiwiki/formatting',
 
        $form->tmpl_param('helponformattinglink',
                htmllink($page, $page, 'ikiwiki/formatting',


@@ -355,8 +407,7 @@ sub editcomment ($$) {
 
        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.

-               # CANCEL need not be considered in future
-               IkiWiki::redirect($cgi, urlto($page, undef, 1));
+               IkiWiki::redirect($cgi, urlto($page));

                exit;
        }
 
                exit;
        }
 


@@ -381,14 +432,18 @@ sub editcomment ($$) {
 
        my $content = "[[!comment format=$type\n";
 
 
        my $content = "[[!comment format=$type\n";
 

-       # FIXME: handling of double quotes probably wrong?

        if (defined $session->param('name')) {
                my $username = $session->param('name');
                $username =~ s/"/&quot;/g;
                $content .= " username=\"$username\"\n";
        }
        if (defined $session->param('name')) {
                my $username = $session->param('name');
                $username =~ s/"/&quot;/g;
                $content .= " username=\"$username\"\n";
        }

-       elsif (defined $ENV{REMOTE_ADDR}) {
-               my $ip = $ENV{REMOTE_ADDR};
+       if (defined $session->param('nickname')) {
+               my $nickname = $session->param('nickname');
+               $nickname =~ s/"/&quot;/g;
+               $content .= " nickname=\"$nickname\"\n";
+       }
+       elsif (defined $session->remote_addr()) {
+               my $ip = $session->remote_addr();

                if ($ip =~ m/^([.0-9]+)$/) {
                        $content .= " ip=\"$1\"\n";
                }
                if ($ip =~ m/^([.0-9]+)$/) {
                        $content .= " ip=\"$1\"\n";
                }


@@ -407,6 +462,12 @@ sub editcomment ($$) {
                }
        }
 
                }
        }
 

+       my $avatar=getavatar($session->param('name'));
+       if (defined $avatar && length $avatar) {
+               $avatar =~ s/"/&quot;/g;
+               $content .= " avatar=\"$avatar\"\n";
+       }
+

        my $subject = $form->field('subject');
        if (defined $subject && length $subject) {
                $subject =~ s/"/&quot;/g;
        my $subject = $form->field('subject');
        if (defined $subject && length $subject) {
                $subject =~ s/"/&quot;/g;


@@ -416,9 +477,10 @@ sub editcomment ($$) {
        }
        $content .= " subject=\"$subject\"\n";
 
        }
        $content .= " subject=\"$subject\"\n";
 

-       $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n";
+       $content .= " date=\"" . strftime_utf8('%Y-%m-%dT%H:%M:%SZ', gmtime) . "\"\n";

 
 

-       my $editcontent = $form->field('editcontent') || '';
+       my $editcontent = $form->field('editcontent');
+       $editcontent="" if ! defined $editcontent;

        $editcontent =~ s/\r\n/\n/g;
        $editcontent =~ s/\r/\n/g;
        $editcontent =~ s/"/\\"/g;
        $editcontent =~ s/\r\n/\n/g;
        $editcontent =~ s/\r/\n/g;
        $editcontent =~ s/"/\\"/g;


@@ -446,6 +508,20 @@ sub editcomment ($$) {
 
        if ($form->submitted eq POST_COMMENT && $form->validate) {
                IkiWiki::checksessionexpiry($cgi, $session);
 
        if ($form->submitted eq POST_COMMENT && $form->validate) {
                IkiWiki::checksessionexpiry($cgi, $session);

+
+               if (IkiWiki::Plugin::notifyemail->can("subscribe")) {
+                       my $subspec="comment($page)";
+                       if (defined $username &&
+                           length $form->field("subscribe")) {
+                               IkiWiki::Plugin::notifyemail::subscribe(
+                                       $username, $subspec);
+                       }
+                       elsif (length $form->field("email") &&
+                              length $form->field("anonsubscribe")) {
+                               IkiWiki::Plugin::notifyemail::anonsubscribe(
+                                       $form->field("email"), $subspec);
+                       }
+               }

                
                $postcomment=1;
                my $ok=IkiWiki::check_content(content => $form->field('editcontent'),
                
                $postcomment=1;
                my $ok=IkiWiki::check_content(content => $form->field('editcontent'),


@@ -462,11 +538,17 @@ sub editcomment ($$) {
                $postcomment=0;
 
                if (! $ok) {
                $postcomment=0;
 
                if (! $ok) {

-                       my $penddir=$config{wikistatedir}."/comments_pending";
-                       $location=unique_comment_location($page, $content, $penddir);
-                       writefile("$location._comment", $penddir, $content);
+                       $location=unique_comment_location($page, $content, $config{srcdir}, "._comment_pending");
+                       writefile("$location._comment_pending", $config{srcdir}, $content);
+
+                       # Refresh so anything that deals with pending
+                       # comments can be updated.
+                       require IkiWiki::Render;
+                       IkiWiki::refresh();
+                       IkiWiki::saveindex();
+

                        IkiWiki::printheader($session);
                        IkiWiki::printheader($session);

-                       print IkiWiki::misctemplate(gettext(gettext("comment stored for moderation")),
+                       print IkiWiki::cgitemplate($cgi, gettext(gettext("comment stored for moderation")),

                                "<p>".
                                gettext("Your comment will be posted after moderator review").
                                "</p>");
                                "<p>".
                                gettext("Your comment will be posted after moderator review").
                                "</p>");


@@ -491,8 +573,10 @@ sub editcomment ($$) {
 
                        IkiWiki::rcs_add($file);
                        IkiWiki::disable_commit_hook();
 
                        IkiWiki::rcs_add($file);
                        IkiWiki::disable_commit_hook();

-                       $conflict = IkiWiki::rcs_commit_staged($message,
-                               $session->param('name'), $ENV{REMOTE_ADDR});
+                       $conflict = IkiWiki::rcs_commit_staged(
+                               message => $message,
+                               session => $session,
+                       );

                        IkiWiki::enable_commit_hook();
                        IkiWiki::rcs_update();
                }
                        IkiWiki::enable_commit_hook();
                        IkiWiki::rcs_update();
                }


@@ -509,18 +593,44 @@ sub editcomment ($$) {
                # 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.
                # 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).
+               IkiWiki::redirect($cgi, urlto($page).

                        "?updated#".page_to_id($location));
 
        }
        else {
                        "?updated#".page_to_id($location));
 
        }
        else {

-               IkiWiki::showform ($form, \@buttons, $session, $cgi,
-                       forcebaseurl => $baseurl);
+               IkiWiki::showform($form, \@buttons, $session, $cgi,
+                       page => $page);

        }
 
        exit;
 }
 
        }
 
        exit;
 }
 

+sub getavatar ($) {
+       my $user=shift;
+       return undef unless defined $user;
+
+       my $avatar;
+       eval q{use Libravatar::URL};
+       if (! $@) {
+               my $oiduser = eval { IkiWiki::openiduser($user) };
+               my $https=defined $config{url} && $config{url}=~/^https:/;
+
+               if (defined $oiduser) {
+                       eval {
+                               $avatar = libravatar_url(openid => $user, https => $https);
+                       }
+               }
+               if (! defined $avatar &&
+                   (my $email = IkiWiki::userinfo_get($user, 'email'))) {
+                       eval {
+                               $avatar = libravatar_url(email => $email, https => $https);
+                       }
+               }
+       }
+       return $avatar;
+}
+
+

 sub commentmoderation ($$) {
        my $cgi=shift;
        my $session=shift;
 sub commentmoderation ($$) {
        my $cgi=shift;
        my $session=shift;


@@ -540,21 +650,27 @@ sub commentmoderation ($$) {
                my %vars=$cgi->Vars;
                my $added=0;
                foreach my $id (keys %vars) {
                my %vars=$cgi->Vars;
                my $added=0;
                foreach my $id (keys %vars) {

-                       if ($id =~ /(.*)\Q._comment\E$/) {
+                       if ($id =~ /(.*)\._comment(?:_pending)?$/) {
+                               $id=decode_utf8($id);

                                my $action=$cgi->param($id);
                                next if $action eq 'Defer' && ! $rejectalldefer;
 
                                # Make sure that the id is of a legal
                                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}/;
+                               # pending comment.
+                               my ($f) = $id =~ /$config{wiki_file_regexp}/;

                                if (! defined $f || ! length $f ||
                                    IkiWiki::file_pruned($f)) {
                                        error("illegal file");
                                }
 
                                if (! defined $f || ! length $f ||
                                    IkiWiki::file_pruned($f)) {
                                        error("illegal file");
                                }
 

-                               my $page=IkiWiki::possibly_foolish_untaint(IkiWiki::dirname($1));
-                               my $file="$config{wikistatedir}/comments_pending/".
-                                       IkiWiki::possibly_foolish_untaint($id);
+                               my $page=IkiWiki::dirname($f);
+                               my $file="$config{srcdir}/$f";
+                               my $filedir=$config{srcdir};
+                               if (! -e $file) {
+                                       # old location
+                                       $file="$config{wikistatedir}/comments_pending/".$f;
+                                       $filedir="$config{wikistatedir}/comments_pending";
+                               }

 
                                if ($action eq 'Accept') {
                                        my $content=eval { readfile($file) };
 
                                if ($action eq 'Accept') {
                                        my $content=eval { readfile($file) };


@@ -567,11 +683,8 @@ sub commentmoderation ($$) {
                                        $added++;
                                }
 
                                        $added++;
                                }
 

-                               # This removes empty subdirs, so the
-                               # .ikiwiki/comments_pending dir will
-                               # go away when all are moderated.

                                require IkiWiki::Render;
                                require IkiWiki::Render;

-                               IkiWiki::prune($file);
+                               IkiWiki::prune($file, $filedir);

                        }
                }
 
                        }
                }
 


@@ -580,8 +693,10 @@ sub commentmoderation ($$) {
                        if ($config{rcs} and $config{comments_commit}) {
                                my $message = gettext("Comment moderation");
                                IkiWiki::disable_commit_hook();
                        if ($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});
+                               $conflict=IkiWiki::rcs_commit_staged(
+                                       message => $message,
+                                       session => $session,
+                               );

                                IkiWiki::enable_commit_hook();
                                IkiWiki::rcs_update();
                        }
                                IkiWiki::enable_commit_hook();
                                IkiWiki::rcs_update();
                        }


@@ -596,28 +711,28 @@ sub commentmoderation ($$) {
        }
 
        my @comments=map {
        }
 
        my @comments=map {

-               my ($id, $ctime)=@{$_};
-               my $file="$config{wikistatedir}/comments_pending/$id";
-               my $content=readfile($file);
+               my ($id, $dir, $ctime)=@{$_};
+               my $content=readfile("$dir/$id");

                my $preview=previewcomment($content, $id,
                my $preview=previewcomment($content, $id,

-                       IkiWiki::dirname($_), $ctime);
+                       $id, $ctime);

                {
                        id => $id,
                        view => $preview,
                {
                        id => $id,
                        view => $preview,

-               } 
-       } sort { $b->[1] <=> $a->[1] } comments_pending();
+               }
+       } sort { $b->[2] <=> $a->[2] } comments_pending();

 
        my $template=template("commentmoderation.tmpl");
        $template->param(
                sid => $session->id,
                comments => \@comments,
 
        my $template=template("commentmoderation.tmpl");
        $template->param(
                sid => $session->id,
                comments => \@comments,

+               cgiurl => IkiWiki::cgiurl(),

        );
        IkiWiki::printheader($session);
        my $out=$template->output;
        IkiWiki::run_hooks(format => sub {
                $out = shift->(page => "", content => $out);
        });
        );
        IkiWiki::printheader($session);
        my $out=$template->output;
        IkiWiki::run_hooks(format => sub {
                $out = shift->(page => "", content => $out);
        });

-       print IkiWiki::misctemplate(gettext("comment moderation"), $out);
+       print IkiWiki::cgitemplate($cgi, gettext("comment moderation"), $out);

        exit;
 }
 
        exit;
 }
 


@@ -635,26 +750,43 @@ sub formbuilder_setup (@) {
 }
 
 sub comments_pending () {
 }
 
 sub comments_pending () {

-       my $dir="$config{wikistatedir}/comments_pending/";
-       return unless -d $dir;
-

        my @ret;
        my @ret;

+

        eval q{use File::Find};
        error($@) if $@;
        eval q{use File::Find};
        error($@) if $@;

-       find({
-               no_chdir => 1,
-               wanted => sub {
-                       my $file=decode_utf8($_);
-                       $file=~s/^\Q$dir\E\/?//;
-                       return if ! length $file || IkiWiki::file_pruned($file)
-                               || -l $_ || -d _ || $file !~ /\Q._comment\E$/;
-                       my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
-                       if (defined $f) {
-                               my $ctime=(stat($_))[10];
-                               push @ret, [$f, $ctime];
+       eval q{use Cwd};
+       error($@) if $@;
+       my $origdir=getcwd();
+
+       my $find_comments=sub {
+               my $dir=shift;
+               my $extension=shift;
+               return unless -d $dir;
+
+               chdir($dir) || die "chdir $dir: $!";
+
+               find({
+                       no_chdir => 1,
+                       wanted => sub {
+                               my $file=decode_utf8($_);
+                               $file=~s/^\.\///;
+                               return if ! length $file || IkiWiki::file_pruned($file)
+                                       || -l $_ || -d _ || $file !~ /\Q$extension\E$/;
+                               my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+                               if (defined $f) {
+                                       my $ctime=(stat($_))[10];
+                                       push @ret, [$f, $dir, $ctime];
+                               }

                        }
                        }

-               }
-       }, $dir);
+               }, ".");
+
+               chdir($origdir) || die "chdir $origdir: $!";
+       };
+       
+       $find_comments->($config{srcdir}, "._comment_pending");
+       # old location
+       $find_comments->("$config{wikistatedir}/comments_pending/",
+               "._comment");

 
        return @ret;
 }
 
        return @ret;
 }


@@ -665,6 +797,10 @@ sub previewcomment ($$$) {
        my $page=shift;
        my $time=shift;
 
        my $page=shift;
        my $time=shift;
 

+       # Previewing a comment should implicitly enable comment posting mode.
+       my $oldpostcomment=$postcomment;
+       $postcomment=1;
+

        my $preview = IkiWiki::htmlize($location, $page, '_comment',
                        IkiWiki::linkify($location, $page,
                        IkiWiki::preprocess($location, $page,
        my $preview = IkiWiki::htmlize($location, $page, '_comment',
                        IkiWiki::linkify($location, $page,
                        IkiWiki::preprocess($location, $page,


@@ -683,16 +819,16 @@ sub previewcomment ($$$) {
 
        $template->param(have_actions => 0);
 
 
        $template->param(have_actions => 0);
 

+       $postcomment=$oldpostcomment;
+

        return $template->output;
 }
 
 sub commentsshown ($) {
        my $page=shift;
 
        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 => $page);
+       return pagespec_match($page, $config{comments_pagespec},
+               location => $page);

 }
 
 sub commentsopen ($) {
 }
 
 sub commentsopen ($) {


@@ -719,7 +855,7 @@ sub pagetemplate (@) {
                my $comments = undef;
                if ($shown) {
                        $comments = IkiWiki::preprocess_inline(
                my $comments = undef;
                if ($shown) {
                        $comments = IkiWiki::preprocess_inline(

-                               pages => "internal($page/$config{comments_pagename}*)",
+                               pages => "comment($page) and !comment($page/*)",

                                template => 'comment',
                                show => 0,
                                reverse => 'yes',
                                template => 'comment',
                                show => 0,
                                reverse => 'yes',


@@ -742,14 +878,14 @@ sub pagetemplate (@) {
        if ($shown) {
                if ($template->query(name => 'commentsurl')) {
                        $template->param(commentsurl =>
        if ($shown) {
                if ($template->query(name => 'commentsurl')) {
                        $template->param(commentsurl =>

-                               urlto($page, undef, 1).'#comments');
+                               urlto($page).'#comments');

                }
 
                if ($template->query(name => 'atomcommentsurl') && $config{usedirs}) {
                        # This will 404 until there are some comments, but I
                        # think that's probably OK...
                        $template->param(atomcommentsurl =>
                }
 
                if ($template->query(name => 'atomcommentsurl') && $config{usedirs}) {
                        # This will 404 until there are some comments, but I
                        # think that's probably OK...
                        $template->param(atomcommentsurl =>

-                               urlto($page, undef, 1).'comments.atom');
+                               urlto($page).'comments.atom');

                }
 
                if ($template->query(name => 'commentslink')) {
                }
 
                if ($template->query(name => 'commentslink')) {


@@ -810,6 +946,11 @@ sub pagetemplate (@) {
                        $commentstate{$page}{commentauthorurl});
        }
 
                        $commentstate{$page}{commentauthorurl});
        }
 

+       if ($template->query(name => 'commentauthoravatar')) {
+               $template->param(commentauthoravatar =>
+                       $commentstate{$page}{commentauthoravatar});
+       }
+

        if ($template->query(name => 'removeurl') &&
            IkiWiki::Plugin::remove->can("check_canremove") &&
            length $config{cgiurl}) {
        if ($template->query(name => 'removeurl') &&
            IkiWiki::Plugin::remove->can("check_canremove") &&
            length $config{cgiurl}) {


@@ -830,24 +971,23 @@ sub num_comments ($$) {
        my $dir=shift;
 
        my @comments=glob("$dir/$page/$config{comments_pagename}*._comment");
        my $dir=shift;
 
        my @comments=glob("$dir/$page/$config{comments_pagename}*._comment");

-       return @comments;
+       return int @comments;

 }
 
 }
 

-sub unique_comment_location ($$$) {
+sub unique_comment_location ($$$$) {

        my $page=shift;
        my $page=shift;

-

        eval q{use Digest::MD5 'md5_hex'};
        error($@) if $@;
        my $content_md5=md5_hex(Encode::encode_utf8(shift));
        eval q{use Digest::MD5 'md5_hex'};
        error($@) if $@;
        my $content_md5=md5_hex(Encode::encode_utf8(shift));

-

        my $dir=shift;
        my $dir=shift;

+       my $ext=shift || "._comment";

 
        my $location;
        my $i = num_comments($page, $dir);
        do {
                $i++;
                $location = "$page/$config{comments_pagename}${i}_${content_md5}";
 
        my $location;
        my $i = num_comments($page, $dir);
        do {
                $i++;
                $location = "$page/$config{comments_pagename}${i}_${content_md5}";

-       } while (-e "$dir/$location._comment");
+       } while (-e "$dir/$location$ext");

 
        return $location;
 }
 
        return $location;
 }


@@ -873,7 +1013,41 @@ sub match_postcomment ($$;@) {
        if (! $postcomment) {
                return IkiWiki::FailReason->new("not posting a comment");
        }
        if (! $postcomment) {
                return IkiWiki::FailReason->new("not posting a comment");
        }

-       return match_glob($page, $glob);
+       return match_glob($page, $glob, @_);
+}
+
+sub match_comment ($$;@) {
+       my $page = shift;
+       my $glob = shift;
+
+       if (! $postcomment) {
+               # To see if it's a comment, check the source file type.
+               # Deal with comments that were just deleted.
+               my $source=exists $IkiWiki::pagesources{$page} ?
+                       $IkiWiki::pagesources{$page} :
+                       $IkiWiki::delpagesources{$page};
+               my $type=defined $source ? IkiWiki::pagetype($source) : undef;
+               if (! defined $type || $type ne "_comment") {
+                       return IkiWiki::FailReason->new("$page is not a comment");
+               }
+       }
+
+       return match_glob($page, "$glob/*", internal => 1, @_);
+}
+
+sub match_comment_pending ($$;@) {
+       my $page = shift;
+       my $glob = shift;
+       
+       my $source=exists $IkiWiki::pagesources{$page} ?
+               $IkiWiki::pagesources{$page} :
+               $IkiWiki::delpagesources{$page};
+       my $type=defined $source ? IkiWiki::pagetype($source) : undef;
+       if (! defined $type || $type ne "_comment_pending") {
+               return IkiWiki::FailReason->new("$page is not a pending comment");
+       }
+
+       return match_glob($page, "$glob/*", internal => 1, @_);

 }
 
 1
 }
 
 1