mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-23 04:19:27 +01:00
343 lines
10 KiB
Perl
343 lines
10 KiB
Perl
# File: UrlTitles.pm
|
|
#
|
|
# Purpose: Display titles of URLs in channel messages.
|
|
|
|
# SPDX-FileCopyrightText: 2021, 2022 Pragmatic Software <pragma78@gmail.com>
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
package PBot::Plugin::UrlTitles;
|
|
use parent 'PBot::Plugin::Base';
|
|
|
|
use PBot::Imports;
|
|
|
|
use Encode;
|
|
use Text::Levenshtein::XS qw(distance);
|
|
use LWP::UserAgent::Paranoid;
|
|
use HTML::Entities;
|
|
use JSON::XS;
|
|
|
|
use constant {
|
|
TIMEOUT => 30,
|
|
MAX_SIZE => 1024 * 800,
|
|
};
|
|
|
|
sub initialize {
|
|
my ($self, %conf) = @_;
|
|
|
|
# remember recent titles so we don't repeat them too often
|
|
my $filename = $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/url-title.hist';
|
|
|
|
$self->{history} = PBot::Core::Storage::DualIndexHashObject->new(
|
|
pbot => $self->{pbot},
|
|
name => 'URL title history',
|
|
filename => $filename,
|
|
);
|
|
|
|
$self->{history}->load;
|
|
|
|
# can be overridden per-channel
|
|
$self->{pbot}->{registry}->add_default('text', 'general', 'show_url_titles', $conf{show_url_titles} // 1);
|
|
|
|
# handle these events
|
|
$self->{pbot}->{event_dispatcher}->register_handler('irc.public', sub { $self->show_url_titles(@_) });
|
|
$self->{pbot}->{event_dispatcher}->register_handler('irc.caction', sub { $self->show_url_titles(@_) });
|
|
}
|
|
|
|
sub unload {
|
|
my ($self) = @_;
|
|
$self->{pbot}->{event_dispatcher}->remove_handler('irc.public');
|
|
$self->{pbot}->{event_dispatcher}->remove_handler('irc.caction');
|
|
}
|
|
|
|
sub is_ignored_url {
|
|
my ($self, $url) = @_;
|
|
|
|
return 1 if $url =~ m{https?://matrix\.to}i;
|
|
return 1 if $url =~ m{https?://.*\.c$}i;
|
|
return 1 if $url =~ m{https?://.*\.h$}i;
|
|
return 1 if $url =~ m{https?://ibb.co/}i;
|
|
return 1 if $url =~ m{https?://.*onlinegdb.com}i;
|
|
return 1 if $url =~ m{googlesource.com/}i;
|
|
return 1 if $url =~ m{https?://git}i and $url !~ /commit/i and $url !~ /github.com/;
|
|
return 1 if $url =~ m{https://.*swissborg.com}i;
|
|
return 1 if $url =~ m{https://streamable.com}i;
|
|
return 1 if $url =~ m{https://matrix.org}i;
|
|
return 1 if $url =~ m{https?://coliru\..*}i;
|
|
return 1 if $url =~ m{localhost}i;
|
|
return 1 if $url =~ m{127}i;
|
|
return 1 if $url =~ m{192.168}i;
|
|
return 1 if $url =~ m{file://}i;
|
|
return 1 if $url =~ m{\.\.}i;
|
|
return 1 if $url =~ m{https?://www.irccloud.com/pastebin}i;
|
|
return 1 if $url =~ m{http://smuj.ca/cl}i;
|
|
return 1 if $url =~ m{/man\d+/}i;
|
|
return 1 if $url =~ m{godbolt.org}i;
|
|
return 1 if $url =~ m{man\.cgi}i;
|
|
return 1 if $url =~ m{wandbox}i;
|
|
return 1 if $url =~ m{ebay.com/itm}i;
|
|
return 1 if $url =~ m/prntscr.com/i;
|
|
return 1 if $url =~ m/imgbin.org/i;
|
|
return 1 if $url =~ m/jsfiddle.net/i;
|
|
return 1 if $url =~ m/port70.net/i;
|
|
return 1 if $url =~ m/notabug.org/i;
|
|
return 1 if $url =~ m/flickr.com/i;
|
|
return 1 if $url =~ m{www.open-std.org/jtc1/sc22/wg14/www/docs/dr}i;
|
|
return 1 if $url =~ m/cheezburger/i;
|
|
return 1 if $url =~ m/rafb.me/i;
|
|
return 1 if $url =~ m/rextester.com/i;
|
|
return 1 if $url =~ m/explosm.net/i;
|
|
return 1 if $url =~ m/stackoverflow.com/i;
|
|
return 1 if $url =~ m/scratch.mit.edu/i;
|
|
return 1 if $url =~ m/c-faq.com/i;
|
|
return 1 if $url =~ m/imgur.com/i;
|
|
return 1 if $url =~ m/sprunge.us/i;
|
|
return 1 if $url =~ m/pastebin.ws/i;
|
|
return 1 if $url =~ m/hastebin.com/i;
|
|
return 1 if $url =~ m/lmgtfy.com/i;
|
|
return 1 if $url =~ m/gyazo/i;
|
|
return 1 if $url =~ m/imagebin/i;
|
|
return 1 if $url =~ m/\/wiki\//i;
|
|
return 1 if $url =~ m!github.com/.*/tree/.*/source/.*!i;
|
|
return 1 if $url =~ m!github.com/.*/commits/.*!i;
|
|
return 1 if $url =~ m!/blob/!i;
|
|
return 1 if $url =~ m/wiki.osdev.org/i;
|
|
return 1 if $url =~ m/wikipedia.org/i;
|
|
return 1 if $url =~ m/fukung.net/i;
|
|
return 1 if $url =~ m/\/paste\//i;
|
|
return 1 if $url =~ m/paste\./i;
|
|
return 1 if $url =~ m/pastie/i;
|
|
return 1 if $url =~ m/ideone.com/i;
|
|
return 1 if $url =~ m/codepad.org/i;
|
|
return 1 if $url =~ m/^http\:\/\/past(e|ing)\./i;
|
|
return 1 if $url =~ m/past(?:e|ing).*\.(?:com|org|net|ch|ca|de|uk|info)/i;
|
|
|
|
# not ignored
|
|
return 0;
|
|
}
|
|
|
|
sub is_ignored_title {
|
|
my ($self, $title) = @_;
|
|
|
|
return 1 if $title =~ m{^Loading}i;
|
|
return 1 if $title =~ m{streamable}i;
|
|
return 1 if $title =~ m{^IBM Knowledge Center$}i;
|
|
return 1 if $title =~ m{Freenode head of infrastructure}i;
|
|
return 1 if $title =~ m/^Coliru Viewer$/i;
|
|
return 1 if $title =~ m/^Gerrit Code Review$/i;
|
|
return 1 if $title =~ m/^Public Git Hosting -/i;
|
|
return 1 if $title =~ m/git\/blob/i;
|
|
return 1 if $title =~ m/\sdiff\s/i;
|
|
return 1 if $title =~ m/- Google Search$/;
|
|
return 1 if $title =~ m/linux cross reference/i;
|
|
return 1 if $title =~ m/screenshot/i;
|
|
return 1 if $title =~ m/pastebin/i;
|
|
return 1 if $title =~ m/past[ea]/i;
|
|
return 1 if $title =~ m/^[0-9_-]+$/;
|
|
return 1 if $title =~ m/^Index of \S+$/;
|
|
return 1 if $title =~ m/(?:sign up|login)/i;
|
|
|
|
# not ignored
|
|
return 0;
|
|
}
|
|
|
|
sub get_title {
|
|
my ($self, $context) = @_;
|
|
|
|
my $url = $context->{arguments};
|
|
|
|
my $ua = LWP::UserAgent::Paranoid->new(request_timeout => TIMEOUT);
|
|
|
|
my $user_agent;
|
|
|
|
if ($url =~ /twitter.com/) {
|
|
$user_agent = 'Mozilla/5.0 (compatible; Googlebot/2.1; +https://www.google.com/bot.html)',
|
|
} else {
|
|
$user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:98.0) Gecko/20100101 Firefox/98.0';
|
|
}
|
|
|
|
$ua->agent($user_agent);
|
|
$ua->max_size(MAX_SIZE);
|
|
|
|
my $response = $ua->get($url);
|
|
|
|
if (not $response->is_success) {
|
|
$self->{pbot}->{logger}->log("Error getting URL [$url]\n");
|
|
return 0;
|
|
}
|
|
|
|
my $title;
|
|
|
|
if ($response->title) {
|
|
$title = decode('UTF-8', $response->title);
|
|
} else {
|
|
my $text = $response->decoded_content;
|
|
|
|
if ($text =~ m/<title>(.*?)<\/title>/msi) {
|
|
$title = $1;
|
|
}
|
|
}
|
|
|
|
if (not defined $title or not length $title) {
|
|
$self->{pbot}->{logger}->log("No title for URL [$url]\n");
|
|
return 0;
|
|
}
|
|
|
|
$title = decode_entities($title);
|
|
|
|
# disregard one-word titles; these aren't usually interesting
|
|
# (and are usually already present in the URL itself)
|
|
return 0 if $title !~ /\s/;
|
|
|
|
# truncate long title
|
|
if (length $title > 400) {
|
|
$title = substr($title, 0, 400);
|
|
$title = "$title [...]";
|
|
}
|
|
|
|
# fuzzy compare file against title
|
|
my ($file) = $url =~ m/.*\/(.*)$/;
|
|
$file =~ s/[_-]+/ /g;
|
|
|
|
my $distance = distance(lc $file, lc $title);
|
|
my $length = (length $file > length $title) ? length $file : length $title;
|
|
|
|
# disregard title if 75%+ similiar to file
|
|
return 0 if $distance / $length < 0.75;
|
|
|
|
# disregard ignored titles
|
|
return 0 if $self->is_ignored_title($title);
|
|
|
|
# send result back to parent
|
|
$context->{result} = $title;
|
|
$context->{url} = $url;
|
|
}
|
|
|
|
sub title_pipe_reader {
|
|
my ($self, $pid, $buf) = @_;
|
|
|
|
# retrieve context object from child
|
|
my $context = decode_json $buf or do {
|
|
$self->{pbot}->{logger}->log("Failed to decode bad json: [$buf]\n");
|
|
return;
|
|
};
|
|
|
|
# context is no longer forked
|
|
delete $context->{pid};
|
|
|
|
my $title = delete $context->{result};
|
|
|
|
return 0 if not defined $title or not length $title;
|
|
|
|
# disregard recent titles (15 min)
|
|
my $data = $self->{history}->get_data($context->{from}, $title);
|
|
|
|
if (defined $data) {
|
|
if (time - $data->{timestamp} < 900) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
# update history
|
|
$data = {
|
|
url => $context->{url},
|
|
timestamp => time,
|
|
hostmask => $context->{hostmask},
|
|
};
|
|
|
|
$self->{history}->add($context->{from}, $title, $data, 0, 1);
|
|
|
|
# set result
|
|
$context->{result} = "Title of $context->{nick}'s link: $title";
|
|
|
|
# send result off to bot to be handled
|
|
$context->{checkflood} = 1;
|
|
$self->{pbot}->{interpreter}->handle_result($context);
|
|
}
|
|
|
|
sub show_url_titles {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
my ($nick, $user, $host) = (
|
|
$event->{event}->nick,
|
|
$event->{event}->user,
|
|
$event->{event}->host
|
|
);
|
|
|
|
my ($channel, $msg) = (
|
|
$event->{event}->{to}[0],
|
|
$event->{event}->{args}[0]
|
|
);
|
|
|
|
# get show_url_titles for channel or true if not defined
|
|
my $enabled = $self->{pbot}->{registry}->get_value($channel, 'show_url_titles') // 1;
|
|
|
|
# disabled in channel
|
|
return 0 if !$enabled;
|
|
return 0 if $self->{pbot}->{registry}->get_value($channel, 'no_url_titles');
|
|
|
|
# disabled globally (unless allowed by channel)
|
|
return 0 if !$self->{pbot}->{registry}->get_value('general', 'show_url_titles') && !$enabled;
|
|
|
|
# message already handled by bot command
|
|
return 0 if $event->{interpreted};
|
|
|
|
# no url in message
|
|
return 0 if not $msg =~ m/https?:\/\/[^\s]/;
|
|
|
|
# ignored user
|
|
return 0 if $self->{pbot}->{ignorelist}->is_ignored($channel, "$nick!$user\@$host");
|
|
|
|
# no titles for unidentified users in +z channels
|
|
my $chanmodes = $self->{pbot}->{channels}->get_meta($channel, 'MODE');
|
|
|
|
if (defined $chanmodes and $chanmodes =~ m/z/) {
|
|
my $account = $self->{pbot}->{messagehistory}->{database}->get_message_account($nick, $user, $host);
|
|
my $nickserv = $self->{pbot}->{messagehistory}->{database}->get_current_nickserv_account($account);
|
|
return 0 if not defined $nickserv or not length $nickserv;
|
|
}
|
|
|
|
my $count = 0;
|
|
|
|
while ($msg =~ s/(https?:\/\/[^\s]+)//i && ++$count <= 3) {
|
|
my $url = $1;
|
|
|
|
$url =~ s/\W$//;
|
|
$url =~ s,https://mobile.twitter.com,https://twitter.com,i;
|
|
|
|
if ($self->{pbot}->{antispam}->is_spam('url', $url)) {
|
|
$self->{pbot}->{logger}->log("Ignoring spam URL $url\n");
|
|
next;
|
|
}
|
|
|
|
if ($self->is_ignored_url($url)) {
|
|
$self->{pbot}->{logger}->log("Ignoring URL $url\n");
|
|
next;
|
|
}
|
|
|
|
my $context = {
|
|
from => $channel,
|
|
nick => $nick,
|
|
user => $user,
|
|
host => $host,
|
|
hostmask => "$nick!$user\@$host",
|
|
command => "title $nick $url",
|
|
root_channel => $channel,
|
|
root_keyword => "title",
|
|
keyword => "title",
|
|
arguments => $url,
|
|
suppress_no_output => 1,
|
|
};
|
|
|
|
$self->{pbot}->{process_manager}->execute_process(
|
|
$context,
|
|
sub { $self->get_title(@_) },
|
|
30,
|
|
sub { $self->title_pipe_reader(@_) },
|
|
);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
1;
|