/usr/share/perl5/IkiWiki/Plugin/blogspam.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 | #!/usr/bin/perl
package IkiWiki::Plugin::blogspam;
use warnings;
use strict;
use IkiWiki 3.00;
use Encode;
my $defaulturl='http://test.blogspam.net:8888/';
sub import {
hook(type => "getsetup", id => "blogspam", call => \&getsetup);
hook(type => "checkconfig", id => "blogspam", call => \&checkconfig);
hook(type => "checkcontent", id => "blogspam", call => \&checkcontent);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 0,
section => "auth",
},
blogspam_pagespec => {
type => 'pagespec',
example => 'postcomment(*)',
description => 'PageSpec of pages to check for spam',
link => 'ikiwiki/PageSpec',
safe => 1,
rebuild => 0,
},
blogspam_options => {
type => "string",
example => "blacklist=1.2.3.4,blacklist=8.7.6.5,max-links=10",
description => "options to send to blogspam server",
link => "http://blogspam.net/api/testComment.html#options",
safe => 1,
rebuild => 0,
},
blogspam_server => {
type => "string",
default => $defaulturl,
description => "blogspam server XML-RPC url",
safe => 1,
rebuild => 0,
},
}
sub checkconfig () {
# This is done at checkconfig time because printing an error
# if the module is missing when a spam is posted would not
# let the admin know about the problem.
eval q{
use RPC::XML;
use RPC::XML::Client;
};
error $@ if $@;
}
sub checkcontent (@) {
my %params=@_;
my $session=$params{session};
my $spec='!admin()';
if (exists $config{blogspam_pagespec} &&
length $config{blogspam_pagespec}) {
$spec.=" and (".$config{blogspam_pagespec}.")";
}
my $user=$session->param("name");
return undef unless pagespec_match($params{page}, $spec,
(defined $user ? (user => $user) : ()),
(defined $session->remote_addr() ? (ip => $session->remote_addr()) : ()),
location => $params{page});
my $url=$defaulturl;
$url = $config{blogspam_server} if exists $config{blogspam_server};
my $client = RPC::XML::Client->new($url);
my @options = split(",", $config{blogspam_options})
if exists $config{blogspam_options};
# Allow short comments and whitespace-only edits, unless the user
# has overridden min-words themselves.
push @options, "min-words=0"
unless grep /^min-words=/i, @options;
# Wiki pages can have a lot of urls, unless the user specifically
# wants to limit them.
push @options, "exclude=lotsaurls"
unless grep /^max-links/i, @options;
# Unless the user specified a size check, disable such checking.
push @options, "exclude=size"
unless grep /^(?:max|min)-size/i, @options;
# This test has absurd false positives on words like "alpha"
# and "buy".
push @options, "exclude=stopwords";
my %req=(
ip => $session->remote_addr(),
comment => encode_utf8(defined $params{diff} ? $params{diff} : $params{content}),
subject => encode_utf8(defined $params{subject} ? $params{subject} : ""),
name => encode_utf8(defined $params{author} ? $params{author} : ""),
link => encode_utf8(exists $params{url} ? $params{url} : ""),
options => join(",", @options),
site => encode_utf8($config{url}),
version => "ikiwiki ".$IkiWiki::version,
);
my $res = $client->send_request('testComment', \%req);
if (! ref $res || ! defined $res->value) {
debug("failed to get response from blogspam server ($url)");
return undef;
}
elsif ($res->value =~ /^SPAM:(.*)/) {
eval q{use Data::Dumper};
debug("blogspam server reports ".$res->value.": ".Dumper(\%req));
return gettext("Sorry, but that looks like spam to <a href=\"http://blogspam.net/\">blogspam</a>: ").$1;
}
elsif ($res->value ne 'OK') {
debug("blogspam server failure: ".$res->value);
return undef;
}
else {
return undef;
}
}
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