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module Killjoy
class LogParser
def parse(line)
regex = /^(\d{2,3}.\d{1,3}.\d{1,3}.\d{1,3}) - - \[(.*)\] "(\S*|\S* \/\S* \S*)" (\d{3}) (\d*) "(\S*)" "([^"]*)"$/
matches = line.match(regex)
return LogLine::NULL if matches.nil?
LogLine.new(
http_status: attempt(matches.captures, 3),
http_verb: http_verb_from(matches.captures[2]),
http_version: http_version_from(matches.captures[2]),
ipaddress: matches.captures[0],
timestamp: timestamp_from(matches.captures[1]),
url: url_from(matches.captures[2]),
user_agent: matches.captures[6],
)
end
private
def attempt(captures, index)
captures[index]
rescue StandardError => error
Killjoy.logger.error error.message
end
def timestamp_from(date)
DateTime.strptime(date, "%d/%b/%Y:%H:%M:%S %z").to_time.to_i
end
def url_from(line)
line.split(' ')[1]
end
def http_verb_from(line)
line.split(' ')[0]
end
def http_version_from(line)
line.split(' ')[2]
end
end
end
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