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Contents
# frozen_string_literal: true
##
# Bot lookup based on user agent
module Legitbot
@rules = []
class << self
attr_accessor :resolver_config
end
##
# Lookup a bot based on its signature from +User-Agent+ header.
#
# If a block given, passes the found bot to the block.
#
# Returns +nil+ if no bot found and a bot match instance
# otherwise.
# :yields: a found bot
#
# rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
def self.bot(user_agent, ip)
bots = @rules
.select { |rule| rule[:fragments].any? { |f| user_agent.index f } }
.map { |rule| rule[:class].new(ip) }
selected = bots.select(&:valid?).first if bots.size > 1
selected = bots.last if selected.nil?
if selected && block_given?
yield selected
else
selected
end
end
# rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
def self.rule(clazz, fragments)
@rules << { class: clazz, fragments: fragments }
end
end
Version data entries
34 entries across 34 versions & 1 rubygems