61 lines
2.3 KiB
Perl
61 lines
2.3 KiB
Perl
package DDG::Goodie::Passphrase;
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# ABSTRACT: Randomly generate a passphrase with the selected number of words.
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use strict;
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use DDG::Goodie;
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zci answer_type => 'random_passphrase';
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zci is_cached => 0;
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my @trigger_words = ('passphrase', 'pass phrase', 'random passphrase', 'passphrase random', 'random pass phrase', 'pass phrase random');
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triggers startend => @trigger_words;
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# Remove the line endings up front.
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my @word_list = map { chomp $_; $_ } share('words.txt')->slurp;
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# When we "floor" our random numbers with `int` we will end up with
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# numbers in the range [0,$list_size - 1].. which just so happens
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# to be perfect for an index into the array!
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my $list_size = scalar @word_list;
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handle query_lc => sub {
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my $query = shift;
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my $word_count;
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$query =~ s/^(?:generate|create)\s+//g; # Just in case they want to make a command of it.
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if ( grep {$query eq $_} @trigger_words ) {
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# If this is our entire (remaining) query, we'll still handle it and
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# set the word count to 4 in honor of correct horse battery staple.
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$word_count = 4;
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} else {
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# Otherwise, we're going to need to poke around for what we need
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$query =~ s/random|pass\s?phrase//g; # They can stick in these words however they like.
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$query =~ s/\s+/ /g; # We may have left whitespace litter
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return unless ($query =~ /^\s*(\d{1,2})\s*words?\s*$/); # Only answer queries we understand.
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$word_count = $1; # We should have captured the desired length
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}
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# Guard against empty or silly request sizes.
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return unless ($word_count && $word_count <= 10);
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my @chosen_words;
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while (scalar @chosen_words < $word_count) {
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# Pick random words from the slurped array until we have enough
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push @chosen_words, $word_list[int(rand $list_size)];
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}
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my $phrase = join(' ', @chosen_words);
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my $input_string = ($word_count == 1) ? '1 word' : $word_count . ' words';
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# Now stick them together with an indicator as to what it is
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return "random passphrase: $phrase", structured_answer => {
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data => {
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title => $phrase,
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subtitle => "Random passphrase: $input_string"
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},
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templates => {
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group => 'text'
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}
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};
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};
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1;
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