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Contents
module Analytical
module BotDetector
def analytical_is_robot?(user_agent)
unless user_agent.blank?
user_agent = user_agent.to_s.downcase
# We mark something as a bot if it contains any of the $bot_indicators
# or if it does not contain one of the $browser_indicators. In addition,
# if the user-agent string contains "mozilla" we make sure it has version
# information. Finally anything that starts with a word in the $whitelist
# is never considered a bot.
whitelist = %w(w3m dillo links elinks lynx)
whitelist.each do |word|
return false if user_agent.index(word) == 0
end
bot_indicators = %w(bot spider search jeeves crawl seek heritrix slurp thumbnails capture ferret webinator scan retriever accelerator upload digg extractor grub scrub)
bot_indicators.each do |word|
return true if user_agent.index word
end
browser_indicators = %w(mozilla browser iphone lynx mobile opera icab)
has_browser_indicator = false
browser_indicators.each do |word|
if user_agent.index word
has_browser_indicator = true
break
end
end
return true if not has_browser_indicator
# Check for mozilla version information
if user_agent.include? "mozilla"
return true if not user_agent.include? "("
return true if user_agent !~ /mozilla\/\d+/i
end
end
return false
end
end
end
Version data entries
44 entries across 44 versions & 2 rubygems