* Use POST for poll to avoid some robots.
[ikiwiki.git] / IkiWiki / Plugin / poll.pm
index e92d0292f317d90eee975bcdb6d5aaf995632934..56034b60ad766654c599849c16c965e93f7162d8 100644 (file)
@@ -4,7 +4,6 @@ package IkiWiki::Plugin::poll;
 use warnings;
 use strict;
 use IkiWiki;
-use URI;
 
 sub import { #{{{
        hook(type => "preprocess", id => "poll", call => \&preprocess);
@@ -22,7 +21,7 @@ sub preprocess (@) { #{{{
 
        my $open=yesno($params{open});
        my $showtotal=yesno($params{total});
-       my $percent=yesno($params{percent});
+       my $showpercent=yesno($params{percent});
        $pagenum{$params{page}}++;
 
        my %choices;
@@ -45,24 +44,28 @@ sub preprocess (@) { #{{{
 
        my $ret="";
        foreach my $choice (@choices) {
+               if ($open && exists $config{cgiurl}) {
+                       $ret.="<form action=\"$config{cgiurl}\">\n";
+               }
                my $percent=$total > 0 ? int($choices{$choice} / $total * 100) : 0;
-               if ($percent) {
-                       $ret.="$choice ($percent%) ";
+               $ret.="<p>\n";
+               if ($showpercent) {
+                       $ret.="$choice ($percent%)\n";
                }
                else {
-                       $ret.="$choice ($choices{$choice}) ";
+                       $ret.="$choice ($choices{$choice})\n";
+               }
+               if ($open && exists $config{cgiurl}) {
+                       $ret.="<input type=\"hidden\" name=\"do\" value=\"poll\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"num\" value=\"$pagenum{$params{page}}\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"page\" value=\"$params{page}\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"choice\" value=\"$choice\" />\n";
+                       $ret.="<input type=\"submit\" value=\"vote\" />\n";
                }
+               $ret.="</p>\n<hr class=poll align=left width=\"$percent%\"/>\n";
                if ($open && exists $config{cgiurl}) {
-                       my $url=URI->new($config{cgiurl});
-                       $url->query_form(
-                               "do" => "poll",
-                               "num" => $pagenum{$params{page}}, 
-                               "page" => $params{page}, 
-                               "choice" => $choice,
-                       );
-                       $ret.="<a class=pollbutton href=\"$url\">vote</a>";
+                       $ret.="</form>\n";
                }
-               $ret.="<br />\n<hr class=poll align=left width=\"$percent%\"/>\n";
        }
        if ($showtotal) {
                $ret.="<span>Total votes: $total</span>\n";
@@ -94,6 +97,7 @@ sub cgi ($) { #{{{
                if (defined $oldchoice && $oldchoice eq $choice) {
                        # Same vote; no-op.
                        IkiWiki::redirect($cgi, "$config{url}/".htmlpage($page));
+                       exit;
                }
 
                my $content=readfile(srcfile($pagesources{$page}));
@@ -104,28 +108,13 @@ sub cgi ($) { #{{{
                        my $escape=shift;
                        my $params=shift;
                        return "\\[[poll $params]]" if $escape;
-                       return $params unless --$num == 0;
-                       my @bits=split(' ', $params);
-                       my @ret;
-                       while (@bits) {
-                               my $n=shift @bits;
-                               if ($n=~/=/) {
-                                       # val=param setting
-                                       push @ret, $n;
-                                       next;
-                               }
-                               my $c=shift @bits;
-                               $c=~s/^"(.*)"/$1/g;
-                               next unless defined $n && defined $c;
-                               if ($c eq $choice) {
-                                       $n++;
-                               }
-                               if (defined $oldchoice && $c eq $oldchoice) {
-                                       $n--;
+                       if (--$num == 0) {
+                               $params=~s/(^|\s+)(\d+)\s+"?\Q$choice\E"?(\s+|$)/$1.($2+1)." \"$choice\"".$3/se;
+                               if (defined $oldchoice) {
+                                       $params=~s/(^|\s+)(\d+)\s+"?\Q$oldchoice\E"?(\s+|$)/$1.($2-1 >=0 ? $2-1 : 0)." \"$oldchoice\"".$3/se;
                                }
-                               push @ret, $n, "\"$c\"";
                        }
-                       return "[[poll ".join(" ", @ret)."]]";
+                       return "[[poll $params]]";
                };
                $content =~ s{(\\?)\[\[poll\s+([^]]+)\s*\]\]}{$edit->($1, $2)}seg;