From c154fa5d6cd1620be7b139b08040740a1bdfafbc Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@gnu.kitenet.net>
Date: Sun, 25 Jan 2009 15:42:13 -0500
Subject: [PATCH] comments: If comment content checks fail, store the comment
 (in .ikiwiki/comments_pending) for moderator review.

---
 IkiWiki/Plugin/comments.pm | 43 +++++++++++++++++++++++++++-----------
 IkiWiki/Plugin/editpage.pm |  5 +++--
 debian/changelog           |  2 ++
 doc/plugins/comments.mdwn  |  7 +++++++
 4 files changed, 43 insertions(+), 14 deletions(-)

diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index 6d0e45a97..4d225b90a 100644
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -380,14 +380,7 @@ sub sessioncgi ($$) {
 	IkiWiki::check_canedit($page, $cgi, $session);
 	$postcomment=0;
 
-	# FIXME: rather a simplistic way to make the comments...
-	my $i = 0;
-	my $file;
-	my $location;
-	do {
-		$i++;
-		$location = "$page/$config{comments_pagename}$i";
-	} while (-e "$config{srcdir}/$location._comment");
+	my $location=unique_comment_location($page, $config{srcdir});
 
 	my $content = "[[!_comment format=$type\n";
 
@@ -470,21 +463,33 @@ sub sessioncgi ($$) {
 		IkiWiki::checksessionexpiry($cgi, $session);
 		
 		$postcomment=1;
-		IkiWiki::check_content(content => $form->field('editcontent'),
+		my $ok=IkiWiki::check_content(content => $form->field('editcontent'),
 			subject => $form->field('subject'),
 			$config{comments_allowauthor} ? (
 				author => $form->field('author'),
 				url => $form->field('url'),
 			) : (),
 			page => $location,
-			cgi => $cgi, session => $session
+			cgi => $cgi,
+			session => $session,
+			nonfatal => 1,
 		);
 		$postcomment=0;
-		
-		my $file = "$location._comment";
+
+		if (! $ok) {
+			my $penddir=$config{wikistatedir}."/comments_pending";
+			$location=unique_comment_location($page, $penddir);
+			writefile("$location._comment", $penddir, $content);
+			print IkiWiki::misctemplate(gettext(gettext("comment stored for moderation")),
+				"<p>".
+				gettext("Your comment will be posted after moderator review"),
+				"</p>");
+			exit;
+		}
 
 		# FIXME: could probably do some sort of graceful retry
 		# on error? Would require significant unwinding though
+		my $file = "$location._comment";
 		writefile($file, $config{srcdir}, $content);
 
 		my $conflict;
@@ -654,6 +659,20 @@ sub pagetemplate (@) {
 	}
 }
 
+sub unique_comment_location ($) {
+	my $page=shift;
+	my $dir=shift;
+
+	my $location;
+	my $i = 0;
+	do {
+		$i++;
+		$location = "$page/$config{comments_pagename}$i";
+	} while (-e "$dir/$location._comment");
+
+	return $location;
+}
+
 package IkiWiki::PageSpec;
 
 sub match_postcomment ($$;@) {
diff --git a/IkiWiki/Plugin/editpage.pm b/IkiWiki/Plugin/editpage.pm
index bba52e4fd..c206d96a4 100644
--- a/IkiWiki/Plugin/editpage.pm
+++ b/IkiWiki/Plugin/editpage.pm
@@ -105,11 +105,12 @@ sub check_content (@) {
 				$ok=1;
 			}
 			elsif (ref $ret eq 'CODE') {
-				$ret->();
+				$ret->() unless $params{nonfatal};
 				$ok=0;
 			}
 			elsif (defined $ret) {
-				error($ret);
+				error($ret) unless $params{nonfatal};
+				$ok=0;
 			}
 		}
 
diff --git a/debian/changelog b/debian/changelog
index 96089c101..002ae12c1 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,8 @@ ikiwiki (3.03) UNRELEASED; urgency=low
   * Remove nonstandard css. Closes: #512378
   * blogspam: Fix use of blogspam_options and blogspam_server
     config settings.
+  * comments: If comment content checks fail, store the comment
+    (in .ikiwiki/comments_pending) for moderator review.
 
  -- Joey Hess <joeyh@debian.org>  Sun, 18 Jan 2009 14:50:57 -0500
 
diff --git a/doc/plugins/comments.mdwn b/doc/plugins/comments.mdwn
index 72b11af64..4cee3b9ad 100644
--- a/doc/plugins/comments.mdwn
+++ b/doc/plugins/comments.mdwn
@@ -41,3 +41,10 @@ There are some global options for the setup file:
   specify a name for themselves, and the \[[!meta author]] and
   \[[!meta authorurl]] directives will not be overridden by the comments
   plugin
+
+## comment moderation
+
+If you enable the [[blogspam]] plugin, comments that appear spammy will be
+held for moderation. These comments are stored in
+`.ikiwiki/comments_pending/`, and can be deleted, or moved into the
+wiki's srcdir to be posted.
-- 
2.26.2