/usr/share/perl5/IkiWiki/Plugin/poll.pm is in ikiwiki 3.20120202ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | #!/usr/bin/perl
package IkiWiki::Plugin::poll;
use warnings;
use strict;
use IkiWiki 3.00;
use Encode;
sub import {
hook(type => "getsetup", id => "poll", call => \&getsetup);
hook(type => "preprocess", id => "poll", call => \&preprocess);
hook(type => "sessioncgi", id => "poll", call => \&sessioncgi);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
section => "widget",
},
}
my %pagenum;
sub preprocess (@) {
my %params=(open => "yes", total => "yes", percent => "yes", @_);
my $open=IkiWiki::yesno($params{open});
my $showtotal=IkiWiki::yesno($params{total});
my $showpercent=IkiWiki::yesno($params{percent});
$pagenum{$params{page}}++;
my %choices;
my @choices;
my $total=0;
while (@_) {
my $key=shift;
my $value=shift;
next unless $key =~ /^\d+/;
my $num=$key;
$key=shift;
$value=shift;
$choices{$key}=$num;
push @choices, $key;
$total+=$num;
}
my $ret="";
foreach my $choice (@choices) {
if ($open && exists $config{cgiurl}) {
# use POST to avoid robots
$ret.="<form method=\"POST\" action=\"".IkiWiki::cgiurl()."\">\n";
}
my $percent=$total > 0 ? int($choices{$choice} / $total * 100) : 0;
$ret.="<p>\n";
if ($showpercent) {
$ret.="$choice ($percent%)\n";
}
else {
$ret.="$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=\"".gettext("vote")."\" />\n";
}
$ret.="</p>\n<hr class=poll align=left width=\"$percent%\"/>\n";
if ($open && exists $config{cgiurl}) {
$ret.="</form>\n";
}
}
if ($showtotal) {
$ret.="<span>".gettext("Total votes:")." $total</span>\n";
}
return "<div class=poll>$ret</div>";
}
sub sessioncgi ($$) {
my $cgi=shift;
my $session=shift;
if (defined $cgi->param('do') && $cgi->param('do') eq "poll") {
my $choice=decode_utf8($cgi->param('choice'));
if (! defined $choice) {
error("no choice specified");
}
my $num=$cgi->param('num');
if (! defined $num) {
error("no num specified");
}
my $page=IkiWiki::possibly_foolish_untaint($cgi->param('page'));
if (! defined $page || ! exists $pagesources{$page}) {
error("bad page name");
}
# Did they vote before? If so, let them change their vote,
# and check for dups.
my $choice_param="poll_choice_${page}_$num";
my $oldchoice=$session->param($choice_param);
if (defined $oldchoice && $oldchoice eq $choice) {
# Same vote; no-op.
IkiWiki::redirect($cgi, urlto($page));
exit;
}
my $prefix=$config{prefix_directives} ? "!poll" : "poll";
my $content=readfile(srcfile($pagesources{$page}));
# Now parse the content, find the right poll,
# and find the choice within it, and increment its number.
# If they voted before, decrement that one.
my $edit=sub {
my $escape=shift;
my $params=shift;
return "\\[[$prefix $params]]" if $escape;
if (--$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\"".$3/se;
}
}
return "[[$prefix $params]]";
};
$content =~ s{(\\?)\[\[\Q$prefix\E\s+([^]]+)\s*\]\]}{$edit->($1, $2)}seg;
# Store their vote, update the page, and redirect to it.
writefile($pagesources{$page}, $config{srcdir}, $content);
$session->param($choice_param, $choice);
IkiWiki::cgi_savesession($session);
$oldchoice=$session->param($choice_param);
if ($config{rcs}) {
IkiWiki::disable_commit_hook();
IkiWiki::rcs_commit(
file => $pagesources{$page},
message => "poll vote ($choice)",
token => IkiWiki::rcs_prepedit($pagesources{$page}),
session => $session,
);
IkiWiki::enable_commit_hook();
IkiWiki::rcs_update();
}
require IkiWiki::Render;
IkiWiki::refresh();
IkiWiki::saveindex();
# Need to set cookie in same http response that does the
# redir.
eval q{use CGI::Cookie};
error($@) if $@;
my $cookie = CGI::Cookie->new(-name=> $session->name, -value=> $session->id);
print $cgi->redirect(-cookie => $cookie,
-url => urlto($page));
exit;
}
}
1
|