112 lines
2.9 KiB
Perl
112 lines
2.9 KiB
Perl
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#!/usr/bin/perl
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package IkiWiki::Plugin::blogspam;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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require RPC::XML;
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require RPC::XML::Client;
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my $defaulturl='http://test.blogspam.net:8888/';
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sub import {
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hook(type => "getsetup", id => "blogspam", call => \&getsetup);
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hook(type => "checkcontent", id => "blogspam", call => \&checkcontent);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => 0,
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},
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blogspam_pagespec => {
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type => 'pagespec',
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example => 'postcomment(*)',
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description => 'PageSpec of pages to check for spam',
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link => 'ikiwiki/PageSpec',
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safe => 1,
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rebuild => 0,
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},
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blogspam_options => {
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type => "string",
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example => "blacklist=1.2.3.4,blacklist=8.7.6.5,max-links=10",
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description => "options to send to blogspam server",
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link => "http://blogspam.net/api/testComment.html#options",
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safe => 1,
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rebuild => 0,
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},
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blogspam_server => {
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type => "string",
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default => $defaulturl,
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description => "blogspam server XML-RPC url",
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safe => 1,
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rebuild => 0,
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},
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}
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sub checkcontent (@) {
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my %params=@_;
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if (exists $config{blogspam_pagespec}) {
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return undef
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if ! pagespec_match($params{page}, $config{blogspam_pagespec},
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location => $params{page});
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}
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my $url=$defaulturl;
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$url = $params{blogspam_server} if exists $params{blogspam_server};
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my $client = RPC::XML::Client->new($url);
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my @options = split(",", $params{blogspam_options})
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if exists $params{blogspam_options};
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# Allow short comments and whitespace-only edits, unless the user
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# has overridden min-words themselves.
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push @options, "min-words=0"
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unless grep /^min-words=/i, @options;
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# Wiki pages can have a lot of urls, unless the user specifically
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# wants to limit them.
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push @options, "exclude=lotsaurls"
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unless grep /^max-links/i, @options;
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# Unless the user specified a size check, disable such checking.
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push @options, "exclude=size"
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unless grep /^(?:max|min)-size/i, @options;
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# This test has absurd false positives on words like "alpha"
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# and "buy".
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push @options, "exclude=stopwords";
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# blogspam API does not have a field for author url, so put it in
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# the content to be checked.
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if (exists $params{url}) {
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$params{content}.="\n".$params{url};
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}
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my $res = $client->send_request('testComment', {
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ip => $ENV{REMOTE_ADDR},
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comment => $params{content},
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subject => defined $params{subject} ? $params{subject} : "",
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name => defined $params{author} ? $params{author} : "",
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options => join(",", @options),
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site => $config{url},
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version => "ikiwiki ".$IkiWiki::version,
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});
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if (! ref $res || ! defined $res->value) {
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debug("failed to get response from blogspam server ($url)");
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return undef;
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}
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elsif ($res->value =~ /^SPAM:(.*)/) {
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return gettext("Sorry, but that looks like spam to <a href=\"http://blogspam.net/\">blogspam</a>: ").$1;
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}
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elsif ($res->value ne 'OK') {
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debug(gettext("blogspam server failure: ").$res->value);
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return undef;
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}
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else {
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return undef;
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}
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}
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1
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