X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/2b569f99d9e7f1d4d30c7f3adde9729ff4d868cf..8d3a3c6a1e2a5a2be4213c2ce80c02e8f31dc9b4:/IkiWiki/Plugin/inline.pm

diff --git a/IkiWiki/Plugin/inline.pm b/IkiWiki/Plugin/inline.pm
index 6d88c2f15..d6ef6c54c 100644
--- a/IkiWiki/Plugin/inline.pm
+++ b/IkiWiki/Plugin/inline.pm
@@ -26,8 +26,7 @@ sub import { #{{{
 	# Hook to change to do pinging since it's called late.
 	# This ensures each page only pings once and prevents slow
 	# pings interrupting page builds.
-	hook(type => "change", id => "inline", 
-		call => \&IkiWiki::pingurl);
+	hook(type => "change", id => "inline", call => \&IkiWiki::pingurl);
 } # }}}
 
 sub getopt () { #{{{
@@ -161,6 +160,7 @@ sub preprocess_inline (@) { #{{{
 	my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 	my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 	my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick;
+	my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 	my $feedonly=yesno($params{feedonly});
 	if (! exists $params{show} && ! $archive) {
 		$params{show}=10;
@@ -201,7 +201,7 @@ sub preprocess_inline (@) { #{{{
 		@list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
 	}
 	else {
-		return sprintf(gettext("unknown sort type %s"), $params{sort});
+		error sprintf(gettext("unknown sort type %s"), $params{sort});
 	}
 
 	if (yesno($params{reverse})) {
@@ -232,29 +232,51 @@ sub preprocess_inline (@) { #{{{
 	# that if they are removed or otherwise changed, the inline will be
 	# sure to be updated.
 	add_depends($params{page}, join(" or ", $#list >= $#feedlist ? @list : @feedlist));
-
-	my $feednum="";
-
-	my $feedid=join("\0", map { $_."\0".$params{$_} } sort keys %params);
-	if (exists $knownfeeds{$feedid}) {
-		$feednum=$knownfeeds{$feedid};
+	
+	if ($feeds && exists $params{feedpages}) {
+		@feedlist=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @feedlist;
 	}
-	else {
-		if (exists $page_numfeeds{$params{destpage}}) {
-			if ($feeds) {
-				$feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}};
+
+	my ($feedbase, $feednum);
+	if ($feeds) {
+		# Ensure that multiple feeds on a page go to unique files.
+		
+		# Feedfile can lead to conflicts if usedirs is not enabled,
+		# so avoid supporting it in that case.
+		delete $params{feedfile} if ! $config{usedirs};
+		# Tight limits on legal feedfiles, to avoid security issues
+		# and conflicts.
+		if (defined $params{feedfile}) {
+			if ($params{feedfile} =~ /\// ||
+			    $params{feedfile} !~ /$config{wiki_file_regexp}/) {
+				error("illegal feedfile");
 			}
+			$params{feedfile}=possibly_foolish_untaint($params{feedfile});
+		}
+		$feedbase=targetpage($params{destpage}, "", $params{feedfile});
+
+		my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
+		if (exists $knownfeeds{$feedid}) {
+			$feednum=$knownfeeds{$feedid};
 		}
 		else {
-			$feednum=$knownfeeds{$feedid}="";
-			if ($feeds) {
-				$page_numfeeds{$params{destpage}}=1;
+			if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
+				if ($feeds) {
+					$feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
+				}
+			}
+			else {
+				$feednum=$knownfeeds{$feedid}="";
+				if ($feeds) {
+					$page_numfeeds{$params{destpage}}{$feedbase}=1;
+				}
 			}
 		}
 	}
 
-	my $rssurl=basename(rsspage($params{destpage}).$feednum) if $feeds && $rss;
-	my $atomurl=basename(atompage($params{destpage}).$feednum) if $feeds && $atom;
+	my $rssurl=basename($feedbase."rss".$feednum) if $feeds && $rss;
+	my $atomurl=basename($feedbase."atom".$feednum) if $feeds && $atom;
+
 	my $ret="";
 
 	if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
@@ -285,8 +307,12 @@ sub preprocess_inline (@) { #{{{
 				gettext("Add a new post titled:"));
 		}
 		$ret.=$formtemplate->output;
+	    	
+		# The post form includes the feed buttons, so
+		# emptyfeeds cannot be hidden.
+		$emptyfeeds=1;
 	}
-	elsif ($feeds && !$params{preview}) {
+	elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 		# Add feed buttons.
 		my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
 		$linktemplate->param(rssurl => $rssurl) if $rss;
@@ -298,7 +324,7 @@ sub preprocess_inline (@) { #{{{
 		require HTML::Template;
 		my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
 		if (! @params) {
-			return sprintf(gettext("nonexistant template %s"), $params{template});
+			error sprintf(gettext("nonexistant template %s"), $params{template});
 		}
 		my $template=HTML::Template->new(@params) unless $raw;
 	
@@ -363,30 +389,26 @@ sub preprocess_inline (@) { #{{{
 		}
 	}
 	
-	if ($feeds) {
-		if (exists $params{feedpages}) {
-			@feedlist=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @feedlist;
-		}
-	
+	if ($feeds && ($emptyfeeds || @feedlist)) {
 		if ($rss) {
-			my $rssp=rsspage($params{destpage}).$feednum;
+			my $rssp=$feedbase."rss".$feednum;
 			will_render($params{destpage}, $rssp);
 			if (! $params{preview}) {
 				writefile($rssp, $config{destdir},
 					genfeed("rss",
 						$config{url}."/".$rssp, $desc, $params{guid}, $params{destpage}, @feedlist));
 				$toping{$params{destpage}}=1 unless $config{rebuild};
-				$feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/rss+xml" title="$desc (RSS)" href="$rssurl" />};
+				$feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$desc (RSS)" href="$rssurl" />};
 			}
 		}
 		if ($atom) {
-			my $atomp=atompage($params{destpage}).$feednum;
+			my $atomp=$feedbase."atom".$feednum;
 			will_render($params{destpage}, $atomp);
 			if (! $params{preview}) {
 				writefile($atomp, $config{destdir},
 					genfeed("atom", $config{url}."/".$atomp, $desc, $params{guid}, $params{destpage}, @feedlist));
 				$toping{$params{destpage}}=1 unless $config{rebuild};
-				$feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/atom+xml" title="$desc (Atom)" href="$atomurl" />};
+				$feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$desc (Atom)" href="$atomurl" />};
 			}
 		}
 	}
@@ -469,14 +491,6 @@ sub absolute_urls ($$) { #{{{
 	return $content;
 } #}}}
 
-sub rsspage ($) { #{{{
-	return targetpage(shift, "rss");
-} #}}}
-
-sub atompage ($) { #{{{
-	return targetpage(shift, "atom");
-} #}}}
-
 sub genfeed ($$$$$@) { #{{{
 	my $feedtype=shift;
 	my $feedurl=shift;