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#!/usr/bin/perl -w
# This Irssi script automatically converts incoming http/https links into shorter "tinyurl" style links
$VERSION = "20090904"; # Fixed and enhanced by tsaavik (dave000@hellspark.com)
#
# Irssi /set Options
# you can view your current settigns by running "/set shorturl" in Irssi
#
# /set shorturl_debug <on|off> -- (off) if you have a problem try turning this on to debug
# /set shorturl_send_to_channel <on|off> -- (off) send the converted tinyurl publicly to everyone in your channels
# /set shorturl_chans <"#channel1, #channel2, etc"> -- Channels to automatically convert. Empty Defaults to all
# /set shorturl_min_url_length <35> -- (35) How long a url has to be to trigger automatic url shortening
#
# Optional manual usage is
# /shorturl http://yourlongurl.com/blahblahblah
# No user servicable parts below this line :D
#---------------------------------------------------------------------
use strict;
use vars qw($VERSION %IRSSI);
%IRSSI = (
authors => "eo, tsaavik",
contact => 'irssi@eosin.org, dave001@hellspark.com',
name => "shorturl.pl",
description => "Private/Public url reduction script.",
license => "GPLv2",
changed => "$VERSION"
);
use Irssi;
use Irssi::Irc;
#
# If you dont have either of these,
# I suggest: perl -MCPAN -e 'install "Bundle::LWP" '
# or whatever perl module install method you find
# suitable.
use LWP::Simple;
use LWP::UserAgent;
# Each one of these have different methods of
# getting a url back. So dont go adding any
# others unless you wish to write in the retrieval
# code for it. Or email me. -
my @lookups = ("tinyurl", "metamark");
#these are overwritten by irssi settings via setuphandler()
my ($min_url_length, $send_to_channel, $debug, $channel_list);
sub setuphandler{
# The script no longers sends translations to channel by default
# You can enable the older functionality here.
# it is controlled via the irssi /set command (see above)
Irssi::settings_add_bool("shorturl", "shorturl_send_to_channel", 0);
if( Irssi::settings_get_bool("shorturl_send_to_channel") ) {
print "shorturl: sending of shorturl's to public channels enabled";
$send_to_channel=1;
}
#what channels should be parsed (default is empty, which is all)
# it is controlled via the irssi /set command (see above)
Irssi::settings_add_str("shorturl", "shorturl_chans", "");
$channel_list = Irssi::settings_get_str("shorturl_chans");
if ($channel_list) {
print "shorturl: Following channels are now parsed $channel_list";
}
# Max chars per url. No sense in translating already short urls :)
# it is controlled via the irssi /set command (see above)
Irssi::settings_add_int("shorturl", "shorturl_min_url_length", 35);
my $old_min_url_length=$min_url_length;
$min_url_length=Irssi::settings_get_int("shorturl_min_url_length");
if ($min_url_length != $old_min_url_length) {
print "shorturl: min_url_length sucessfully set to $min_url_length";
}
# Debug messages (prints what url shorterner is used, error messages, etc)
# it is controlled via the irssi /set command (see above)
Irssi::settings_add_bool("shorturl", "shorturl_debug", 0);
my $old_debug=$debug;
$debug=Irssi::settings_get_bool("shorturl_debug");
if ($debug != $old_debug) {
if ($debug){
print "shorturl: Debug Mode Enabled";
$debug=1;
}else{
print "shorturl: Debug Mode Disabled";
$debug=0;
}
}
}
sub InjectUrl {
# data - contains the parameters for /shorturl
# server - the active server in window
# target - the active window item (eg. channel, query)
# or undef if the window is empty
my ($data, $server, $target) = @_;
if (!$server || !$server->{connected}) {
Irssi::print("Not connected to server");
return;
}
if ($data) {
GotUrl($server, $data, undef, undef, $target);
}
}
sub GotUrl {
my ($server, $data, $nick, $addr, $target) = @_;
if (!$server || !$server->{connected}) {
Irssi::print("Not connected to server");
return;
}
return unless(goodchan($target));
$data =~ s/^\s+//;
$data =~ s/\s+$//;
my @urls = ();
my ($url, $a, $return, $char, $ch, $result, $choice) = "";;
my $same = 0;
my $sitewas = "t";
my @chars = ();
return unless (($data =~ /\bhttp\:/) || ($data =~ /\bhttps\:/));
deb("$target triggered GotUrl() with url: $data");
# split on whitespace and get the url(s) out
# done this way in case there are more than
# one url per line.
foreach(split(/\s/, $data)) {
if (($_ =~ /^http\:/) || ($_ =~ /^https\:/)){
foreach $a (@urls) {
if ($_ eq $a) {
# incase they use the same url on the line.
$same = 1;
next;
}
}
if ($same == 0) {
$same = 0;
push(@urls, $_);
}
}
}
# Go through the resulting urls
foreach (@urls) {
#Minimum url length.
return unless (count($_) > $min_url_length);
@chars = split(//, $_);
# Originally I used uri_escape() for this
# But tinyurl didnt like it.. might be because
# of the post method I was using at the time.
foreach $char (@chars) {
if ($char !~ /[A-Za-z0-9]/) {
$ch = sprintf("%%%02x",ord($char));
$result .= $ch;
} else {
$result .= $char;
}
}
# Get a random provider from the list.
$choice = $lookups[ rand(@lookups) ];
if ($choice eq "metamark") {
deb("$target Generating metamark url for $result");
$url = "http://metamark.net/api/rest/simple?long_url=" . $result;
eval { $return = get($url) };
next unless ($return);
next if ($return =~ /ERROR\:/);
if ($send_to_channel == 1) {
$server->command("msg $target $return");
}else{
$server->print("$target", "$return", MSGLEVEL_CLIENTCRAP);
#Irssi::print("$target: $return");
}
} else {
deb("$target Generating tinyurl url for $result");
deb("tinyurl(\$server, $target, $result)");
tinyurl($server, $target, $result);
}
}
return;
}
sub tinyurl {
my ($server, $chan, $longurl) = @_;
my $url = 'http://tinyurl.com/api-create.php?url='.$longurl;
deb("getting url:($url)");
my $browser = LWP::UserAgent->new;
$browser->agent("tinyurl for irssi/0.8.12 ");
my $response = $browser->get($url);
my $tinyurl = $response->content;
my $ua = LWP::UserAgent->new;
if ($response->is_success) {
if ($send_to_channel == 1) {
$server->command("msg $chan $tinyurl");
}else{
$server->print("$chan", "$tinyurl", MSGLEVEL_CLIENTCRAP);
#Irssi::print("$chan: $tinyurl");
}
}else{
deb("ERROR: tinyurl: tinyurl is down or not pingable");
}
}
# conditinal print.
sub deb($) {
Irssi::print(shift) if ($debug == 1);
}
# returns the character count.
sub count($) {
my @array = split(//, shift);
return($#array + 1);
}
# Checks if we should be translating
# urls for the requesting channel.
# returns True if the list is not set
# thus, it will translate for ALL channels.
# returns True if channel matches one in the list.
# returns undef otherwise.
sub goodchan {
my $chan = shift;
return("OK") if (! $channel_list);
foreach(split(/\,/, $channel_list)) {
return("$_") if ($_ =~ /$chan/i);
}
return undef;
}
setuphandler(); #initilize variables on first run
Irssi::signal_add("setup changed", "setuphandler");
Irssi::signal_add_last("message public", "GotUrl");
Irssi::signal_add_last("ctcp action", "GotUrl");
Irssi::command_bind('shorturl', 'InjectUrl');
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