Class: Splam::Rules::BadWords

Inherits:
Splam::Rule show all
Defined in:
lib/splam/rules/bad_words.rb

Class Attribute Summary collapse

Attributes inherited from Splam::Rule

#body, #reasons, #score, #suite, #weight

Instance Method Summary collapse

Methods inherited from Splam::Rule

#add_score, inherited, #initialize, #name, run

Constructor Details

This class inherits a constructor from Splam::Rule

Class Attribute Details

.bad_word_score ⇒ Object

Returns the value of attribute bad_word_score.



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# File 'lib/splam/rules/bad_words.rb', line 3

def bad_word_score
  @bad_word_score
end

.suspicious_word_score ⇒ Object

Returns the value of attribute suspicious_word_score.



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# File 'lib/splam/rules/bad_words.rb', line 3

def suspicious_word_score
  @suspicious_word_score
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/splam/rules/bad_words.rb', line 9

def run
  bad_words = %w( sex sexy porn gay erotica viagra erotismo porno porn lesbian amateur tit\b)
  bad_words |= %w( gratis erotismo porno torrent bittorrent adulto )
  bad_words |= %w( cialis viagra payday loan jihad )
  bad_words |= %w( webcam  free-web-host rapidshare muslim)
  bad_words << /pel?cula/ << /pornogr?fica/ << "portal porno" # srsly, spamming in spanish?

  suspicious_words =  %w( free buy galleries dating gallery hard hardcore video homemade celebrity ) << "credit card" << "my friend" << "friend sent me"
  suspicious_words |= %w( adult pharmacy overnight shipping free hot movie nylon arab ?????? xxx) << "sent me a link"
  suspicious_words << "forums/member.php?u=" << "chat room" << "free chat" << "yahoo chat" << "page.php"
  bad_words.each do |word|
    results = @body.downcase.scan(word) 
    if results && results.size > 0
      add_score((self.class.bad_word_score ** results.size), "nasty word: '#{word}'")
      # Add more points if the bad word is INSIDE a link
      @body.scan(/<a[^>]+>(.*?)<\/a>/).each do |match|
        add_score self.class.bad_word_score * 4 * match[0].scan(word).size, "nasty word inside a link: #{word}"
      end
      @body.scan(/\nhttp:\/\/(.*?#{word})/).each do |match|
        add_score self.class.bad_word_score ** 4 * match[0].scan(word).size, "nasty word inside a straight-up link: #{word}"
      end
      @body.scan(/<a(.*?)>/).each do |match|
        add_score self.class.bad_word_score * 4 * match[0].scan(word).size, "nasty word inside a URL: #{word}"
      end
    end
  end
  suspicious_words.each do |word|
    results = @body.downcase.scan(word) 
    if results && results.size > 0
      add_score (self.class.suspicious_word_score * results.size), "suspicious word: #{word}"
      # Add more points if the bad word is INSIDE a link
      @body.scan(/<a[^>]+>(.*?)<\/a>/).each do |match|
        add_score((self.class.suspicious_word_score * match[0].scan(word).size), "suspicious word inside a link: #{word}")
      end
    end
  end
end