forked from github/kensanata.oddmuse
54 lines
1.9 KiB
Perl
54 lines
1.9 KiB
Perl
# Copyright (C) 2007–2013 Alex Schroeder <alex@gnu.org>
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use v5.10;
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AddModuleDescription('duckduckgo-search.pl', 'Use DuckDuckGo For Searches');
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our ($q, %Action, $ScriptName, @MyInitVariables);
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our ($DuckDuckGoSearchDomain);
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$DuckDuckGoSearchDomain = undef;
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$Action{search} = \&DoDuckDuckGoSearch;
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push(@MyInitVariables, \&DuckDuckGoSearchInit);
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sub DuckDuckGoSearchInit {
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# If $ScriptName does not contain a hostname, this extension will
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# have no effect. Domain regexp based on RFC 2396 section 3.2.2.
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if (!$DuckDuckGoSearchDomain) {
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my $alpha = '[a-zA-Z]';
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my $alphanum = '[a-zA-Z0-9]';
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my $alphanumdash = '[-a-zA-Z0-9]';
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my $domainlabel = "$alphanum($alphanumdash*$alphanum)?";
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my $toplabel = "$alpha($alphanumdash*$alphanum)?";
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if ($ScriptName =~ m!^(https?://)?([^/]+\.)?($domainlabel\.$toplabel)\.?(:|/|\z)!) {
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$DuckDuckGoSearchDomain = $3;
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}
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}
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if ($DuckDuckGoSearchDomain
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and GetParam('search', undef)
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and not GetParam('action', undef)
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and not GetParam('old', 0)) {
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SetParam('action', 'search');
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}
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}
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sub DoDuckDuckGoSearch {
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my $search = UrlEncode(GetParam('search', undef));
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print $q->redirect({-uri=>"https://www.duckduckgo.com/?q=$search+site%3A$DuckDuckGoSearchDomain"});
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}
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