Add configuration to restrict the formats allowed for comments

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

diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index 91a482ed6660059ed3a77f30b5236dbd891303a8..151e839d0bb826a7bda242a9d94b882e79e7cb17 100644 (file)
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -90,6 +90,15 @@ sub getsetup () {
                        safe => 0,
                        rebuild => 0,
                },
+               comments_allowformats => {
+                       type => 'string',
+                       default => '',
+                       example => 'mdwn txt',
+                       description => 'Restrict formats for comments to (no restriction if empty)',
+                       safe => 1,
+                       rebuild => 0,
+               },
+
 }
 
 sub checkconfig () {
@@ -101,6 +110,8 @@ sub checkconfig () {
                unless defined $config{comments_closed_pagespec};
        $config{comments_pagename} = 'comment_'
                unless defined $config{comments_pagename};
+       $config{comments_allowformats} = ''
+               unless defined $config{comments_allowformats};
 }
 
 sub htmlize {
@@ -128,12 +139,18 @@ sub safeurl ($) {
        }
 }
 
+sub isallowed ($) {
+    my $format = shift;
+    return ! $config{comments_allowformats} || $config{comments_allowformats} =~ /\b$format\b/;
+}
+
 sub preprocess {
        my %params = @_;
        my $page = $params{page};
 
        my $format = $params{format};
-       if (defined $format && ! exists $IkiWiki::hooks{htmlize}{$format}) {
+       if (defined $format && (! exists $IkiWiki::hooks{htmlize}{$format} ||
+                               ! isallowed($format))) {
                error(sprintf(gettext("unsupported page format %s"), $format));
        }
 
@@ -301,7 +318,8 @@ sub editcomment ($$) {
 
        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}],
@@ -331,7 +349,7 @@ sub editcomment ($$) {
 
        my @page_types;
        if (exists $IkiWiki::hooks{htmlize}) {
-               foreach my $key (grep { !/^_/ } keys %{$IkiWiki::hooks{htmlize}}) {
+               foreach my $key (grep { !/^_/ && isallowed($_) } keys %{$IkiWiki::hooks{htmlize}}) {
                        push @page_types, [$key, $IkiWiki::hooks{htmlize}{$key}{longname} || $key];
                }
        }
@@ -346,18 +364,35 @@ sub editcomment ($$) {
        $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');
+               $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 => 'email', type => 'hidden', value => '',
+                       force => 1);
                $form->field(name => 'url', type => 'hidden', value => '',
                        force => 1);
        }
@@ -490,6 +525,20 @@ sub editcomment ($$) {
 
        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'),
@@ -575,7 +624,8 @@ sub editcomment ($$) {
 
 sub getavatar ($) {
        my $user=shift;
-       
+       return undef unless defined $user;
+
        my $avatar;
        eval q{use Libravatar::URL};
        if (! $@) {
@@ -632,9 +682,11 @@ sub commentmoderation ($$) {
 
                                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') {
@@ -649,7 +701,7 @@ sub commentmoderation ($$) {
                                }
 
                                require IkiWiki::Render;
-                               IkiWiki::prune($file);
+                               IkiWiki::prune($file, $filedir);
                        }
                }