Script: yaurls.pl

Shorten URLs with many shortening services.
Author: R1cochet — Version: 1.9 — License: GPL3
For WeeChat ≥ 0.3.7.
Tags: url
Added: 2012-03-06 — Updated: 2012-09-22

Download GitHub Repository

  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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
# Copyright (c) 2012 by R1cochet R1cochet@hushmail.com
# All rights reserved
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
# yaURLs, version 1.9, for weechat version 0.3.7 or later
# will shorten URL's in channels
#
# Shorten URL's using any of the following services:
# durl.me, is.gd, ln-s.net, lytn.it, metamark.net, sapo.pt, safe.mn, tinyURL.com
#
# Default color theme in 256color terminal
# header: 46
# prefix/suffix: *200
# url: *190
# domain: 196
#
#
# Changelog:
# 2012-09-21, R1cochet
#     version 1.9: Added more shortening services
# 2012-03-09, Sebastien Helleu <flashcode@flashtux.org>
#     version 1.8: Fix reload of config file
# 2012-03-08, R1cochet
#     version 1.7: Removed need for Regexp::Common and URI::Escape modules. Cleaned up some code
# 2012-03-04, R1cochet
#     version 1.6: Fixed error with twitter links not being recognized. Added module URI::Escape to properly format URL's before shortening
# 2012-02-28, R1cochet
#     version 1.5: Initial release

use strict;
use warnings;

my $SCRIPT_NAME = "yaurls";
my $SCRIPT_AUTHOR = "R1cochet";
my $VERSION = "1.9";
my $SCRIPT_LICENSE = "GPL3";
my $SCRIPT_DESC = "yes, another URL shortener";

# initialize global variables
my $config_file;        # config pointer
my %config_section;     # config section pointer
my %config_options;     # init config options
my $incoming_nick = "";

my %Unsafe = (RFC3986 => qr/[^A-Za-z0-9\-\._~]/,);
my %escapes;
for (0..255) {
    $escapes{chr($_)} = sprintf("%%%02X", $_);
}

weechat::register($SCRIPT_NAME, $SCRIPT_AUTHOR, $VERSION, $SCRIPT_LICENSE, $SCRIPT_DESC, "", "");

### initial config
sub init_config {
    $config_file = weechat::config_new("yaurls", "config_reload_cb", "");
    return if (!$config_file);

    # create new section in config file
    $config_section{'blacklists'} = weechat::config_new_section($config_file, "blacklists", 0, 0, "", "", "", "", "", "", "", "", "", "");
    if (!$config_section{'blacklists'}) {
        weechat::config_free($config_file);
        return;
    }
    # add the options to the section
    $config_options{'channel_blacklist'} = weechat::config_new_option($config_file, $config_section{'blacklists'}, "channel_blacklist", "string",
                                                                       "Comma seperated list of Channels to ignore", "", 0, 0, "", "", 1, "", "", "", "", "", "",);
    $config_options{'nick_blacklist'} = weechat::config_new_option($config_file, $config_section{'blacklists'}, "nick_blacklist", "string",
                                                                       "Comma seperated list of Nicks to ignore", "", 0, 0, "", "", 1, "", "", "", "", "", "",);
    $config_options{'server_blacklist'} = weechat::config_new_option($config_file, $config_section{'blacklists'}, "server_blacklist", "string",
                                                                       "Comma seperated list of Servers to ignore", "", 0, 0, "", "", 1, "", "", "", "", "", "",);
    $config_options{'string_blacklist'} = weechat::config_new_option($config_file, $config_section{'blacklists'}, "string_blacklist", "string",
                                                                       "Comma seperated list of Strings to ignore", "", 0, 0, "", "", 1, "", "", "", "", "", "",);
    $config_options{'url_blacklist'} = weechat::config_new_option($config_file, $config_section{'blacklists'}, "url_blacklist", "string",
                                                                       "Comma seperated list of URL's to ignore", "", 0, 0, "youtube.com", "youtube.com", 1, "", "", "", "", "", "",);

    $config_section{'colors'} = weechat::config_new_section($config_file, "colors", 0, 0, "", "", "", "", "", "", "", "", "", "");
    if (!$config_section{'colors'}) {
        weechat::config_free($config_file);
        return;
    }
    $config_options{'header_color'} = weechat::config_new_option($config_file, $config_section{'colors'}, "header_color", "color",
                                                                       "Set the color of the header", "", 0, 0, "green", "green", 0, "", "", "", "", "", "",);
    $config_options{'prefix_color'} = weechat::config_new_option($config_file, $config_section{'colors'}, "prefix_suffix_color", "color",
                                                                       "Set the color of the prefix and suffix", "", 0, 0, "magenta", "magenta", 0, "", "", "", "", "", "",);
    $config_options{'url_color'} = weechat::config_new_option($config_file, $config_section{'colors'}, "url_color", "color",
                                                                       "Set the color of the tinyURL link", "", 0, 0, "yellow", "yellow", 0, "", "", "", "", "", "",);
    $config_options{'domain_color'} = weechat::config_new_option($config_file, $config_section{'colors'}, "domain_color", "color",
                                                                       "Set the color of the domain name", "", 0, 0, "blue", "blue", 0, "", "", "", "", "", "",);

    $config_section{'engine'} = weechat::config_new_section($config_file, "engine", 0, 0, "", "", "", "", "", "", "", "", "", "");
    if (!$config_section{'engine'}) {
        weechat::config_free($config_file);
        return;
    }
    $config_options{'service'} = weechat::config_new_option($config_file, $config_section{'engine'}, "service", "integer",
                                                                       "Set which shortener service to use (durl = durl.me, is.gd = is.gd, ln-s = ln-s.net, lytn = lytn.it, ".
                                                                       "metamark = metamark.net, punyURL = sapo.pt, safe = safe.mn, tinyURL = tinyURL.com)",
                                                                       "durl|is.gd|ln-s|lytn|metamark|punyURL|safe|tinyURL", 0, 0, "tinyURL", "tinyURL", 0, "", "", "", "", "", "");
    $config_options{'convert_own'} = weechat::config_new_option($config_file, $config_section{'engine'}, "convert_own", "boolean",
                                                                       "Convert own links sent to buffer", "", 0, 0, "off", "off", 0, "", "", "", "", "", "",);
    $config_options{'maximum_length'} = weechat::config_new_option($config_file, $config_section{'engine'}, "maximum_length", "integer",
                                                                       "Set the maximum length of URL's to be converted (anything equal to or larger will be converted)", "", 20, 500, "35", "35", 0, "", "", "", "", "", "");
    $config_options{'timeout'} = weechat::config_new_option($config_file, $config_section{'engine'}, "timeout", "integer",
                                                                       "Set the maximum time limit for fetching the short URL (time in seconds)", "", 10, 120, "20", "20", 0, "", "", "", "", "", "");

    $config_section{'look'} = weechat::config_new_section($config_file, "look", 0, 0, "", "", "", "", "", "", "", "", "", "");
    if (!$config_section{'look'}) {
        weechat::config_free($config_file);
        return;
    }
    $config_options{'header'} = weechat::config_new_option($config_file, $config_section{'look'}, "header", "string",
                                                                       "Set the header string", "", 0, 0, "yaURLs", "yaURLs", 1, "", "", "", "", "", "",);
    $config_options{'header_prefix'} = weechat::config_new_option($config_file, $config_section{'look'}, "header_prefix", "string",
                                                                       "Set the header prefix", "", 0, 0, "{", "{", 1, "", "", "", "", "", "",);
    $config_options{'header_suffix'} = weechat::config_new_option($config_file, $config_section{'look'}, "header_suffix", "string",
                                                                       "Set the header suffix", "", 0, 0, "}~>", "}~>", 1, "", "", "", "", "", "",);
    $config_options{'format'} = weechat::config_new_option($config_file, $config_section{'look'}, "format", "string",
                                                                       "Set the print format (%H = Header, %U = tinyURL, %D = Domain)", "", 0, 0, "%H %U %D", "%H %U %D", 0, "", "", "", "", "", "",);
}
# intit callbacks
sub config_reload_cb {      # reload config file
    return weechat::config_reload($config_file);
}

sub config_read {           # read my config file
    return weechat::config_read($config_file);
}

sub config_write {          # write to my config file
    return weechat::config_write($config_file);
}

init_config();              # load config
config_read();              # get options if already in config file

weechat::hook_print( "", "irc_privmsg", "://", 1, "print_hook_cb", "");         # Hook into print

sub build_header {
    my $header = weechat::color(weechat::config_color($config_options{'header_color'})) . weechat::config_string($config_options{'header'}) . weechat::color("reset");
    $header = weechat::color(weechat::config_color($config_options{'prefix_color'})) . weechat::config_string($config_options{'header_prefix'}) . weechat::color("reset") . $header;
    $header = $header . weechat::color(weechat::config_color($config_options{'prefix_color'})) . weechat::config_string($config_options{'header_suffix'}) . weechat::color("reset");
    return $header;
}

sub black_list1 {       # match url, string
    my ($string, $black_list) = @_;
    my @black_list = split ",", $black_list;
    foreach(@black_list) {
        return 1 if $string =~ /\Q$_\E/i;
    }
    return 0;
}

sub black_list2 {       # match nick, server, channel; front to end
    my ($string, $black_list) = @_;
    my @black_list = split ",", $black_list;
    foreach(@black_list) {
        return 1 if $string =~ /^\Q$_\E\z/;
    }
    return 0;
}

sub uri_escape {
    my $url = shift;
    utf8::encode($url);
    $url =~ s/($Unsafe{RFC3986})/$escapes{$1}/ge;
    return $url;
}

sub service_url {
    my $url = shift;
    $url = uri_escape($url);

    if (weechat::config_string($config_options{'service'}) eq "durl") {
        $url = "http://durl.me/api/Create.do?longurl=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "is.gd") {
        $url = "http://is.gd/create.php?format=simple&url=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "ln-s") {
        $url = "http://ln-s.net/home/api.jsp?url=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "lytn") {
        $url = "http://lytn.it/api.php?rel=2&link=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "metamark") {
        $url = "http://metamark.net/api/rest/simple?long_url=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "punyURL") {
        $url = "http://services.sapo.pt/PunyURL/GetCompressedURLByURL?url=$url";
    }
    elsif (weechat::config_string($config_options{'service'}) eq "safe") {
        $url = "http://safe.mn/api/?format=text&url=$url";
    }
    else {
        $url = "http://tinyurl.com/api-create.php?url=$url";
    }

    return $url;
}

sub process_cb {
    my ($buffer_domain, $command, $return_code, $out, $err) = @_;

    if ($return_code != 0) { # weechat::WEECHAT_HOOK_PROCESS_ERROR
        weechat::print("", "Error with command: $command");
        weechat::print("", "An error occured: $err") if ($err ne "");
        weechat::print("", "ret code: $return_code");
    }
    elsif ($out) {
        my ($buffer, $domain) = split "_:_", $buffer_domain, 2;
        my $header = build_header();
        $domain = weechat::color(weechat::config_color($config_options{'domain_color'})) . "($domain)" . weechat::color("reset");

        if (weechat::config_string($config_options{'service'}) eq "durl") {
            ($out) = $out =~ m/(http:\/\/durl\.me\/\w+)/;
        }
        elsif (weechat::config_string($config_options{'service'}) eq "ln-s") {
            $out =~ s/^(\d{3}\s)|\n*$//g;
        }
        elsif (weechat::config_string($config_options{'service'}) eq "punyURL") {
            weechat::print("", "punyURL called");
            ($out) = $out =~ m/.+\<ascii\>(.+)\<\/ascii\>/;
        }
        elsif (weechat::config_string($config_options{'service'}) eq "safe") {
            $out =~ s/\n*//g;
        }

        my $short_url = weechat::color(weechat::config_color($config_options{'url_color'})) . $out . weechat::color("reset");
        my $tiny_url = weechat::config_string($config_options{'format'});

        $tiny_url =~ s/%H/$header/;
        $tiny_url =~ s/%U/$short_url/;
        $tiny_url =~ s/%D/$domain/;
        weechat::print($buffer, "$tiny_url");
    }
    return weechat::WEECHAT_RC_OK;
}

sub print_hook_cb {
    my ($data, $buffer, $date, $tags, $displayed, $highlight, $prefix, $msg) = @_;
    return weechat::WEECHAT_RC_OK if ($displayed != 1);     # return if initial message wont be shown

    if ((weechat::config_string($config_options{'string_blacklist'})) ne "") {      # check message against "string blacklist"
        return weechat::WEECHAT_RC_OK if (black_list1($msg, weechat::config_string($config_options{'string_blacklist'})));       # return if string is blacklisted
    }

    my $hdata = weechat::hdata_get("buffer");
    my $buffer_name = weechat::hdata_string($hdata, $buffer, "name");
    my ($server, $channel) = split /\./, $buffer_name;  # can be done with a match
    $channel =~ s/#//;

    if ((weechat::config_string($config_options{'server_blacklist'})) ne "") {      # check message against "server blacklist"
        return weechat::WEECHAT_RC_OK if (black_list2($server, weechat::config_string($config_options{'server_blacklist'})));    # return if server is blacklisted
    }

    if ((weechat::config_string($config_options{'channel_blacklist'})) ne "") {     # check message against "channel blacklist"
        return weechat::WEECHAT_RC_OK if (black_list2($channel, weechat::config_string($config_options{'channel_blacklist'})));  # return if nick is blacklisted
    }

    ($incoming_nick = $tags) =~ s/.*nick_//i;
    $incoming_nick =~ s/,.*//i;
    my $own_nick = weechat::info_get("irc_nick", $server);

    if (!weechat::config_boolean($config_options{'convert_own'})) {                 # check if converting own
        return weechat::WEECHAT_RC_OK if $incoming_nick =~ /^\Q$own_nick\E\z/;
    }

    if ((weechat::config_string($config_options{'nick_blacklist'})) ne "") {        # check message against "nick blacklist"
        return weechat::WEECHAT_RC_OK if (black_list2($incoming_nick, weechat::config_string($config_options{'nick_blacklist'})));        # return if nick is blacklisted
    }

    my @msg = split " ", $msg;
    foreach(@msg) {
        if ($_ =~ /^(ht|f)tp/ && $_ =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|) {
            next if (length($_) <= weechat::config_integer($config_options{'maximum_length'}));        # skip if url shorter than max

            if (weechat::config_string($config_options{'url_blacklist'}) ne "") {
                next if (black_list1($_, weechat::config_string($config_options{'url_blacklist'})));     # skip if url is blacklisted
            }
            my $buffer_domain = $buffer."_:_$2";
            my $url = service_url($_);

            weechat::hook_process("url:$url", weechat::config_integer($config_options{'timeout'}) * 1000, "process_cb", $buffer_domain);
        }
    }
    return weechat::WEECHAT_RC_OK;
}