/usr/lib/ruby/1.8/webrick/accesslog.rb is in libruby1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# accesslog.rb -- Access log handling utilities
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2002 keita yamaguchi
# Copyright (c) 2002 Internet Programming with Ruby writers
#
# $IPR: accesslog.rb,v 1.1 2002/10/01 17:16:32 gotoyuzo Exp $
module WEBrick
module AccessLog
class AccessLogError < StandardError; end
CLF_TIME_FORMAT = "[%d/%b/%Y:%H:%M:%S %Z]"
COMMON_LOG_FORMAT = "%h %l %u %t \"%r\" %s %b"
CLF = COMMON_LOG_FORMAT
REFERER_LOG_FORMAT = "%{Referer}i -> %U"
AGENT_LOG_FORMAT = "%{User-Agent}i"
COMBINED_LOG_FORMAT = "#{CLF} \"%{Referer}i\" \"%{User-agent}i\""
module_function
# This format specification is a subset of mod_log_config of Apache.
# http://httpd.apache.org/docs/mod/mod_log_config.html#formats
def setup_params(config, req, res)
params = Hash.new("")
params["a"] = req.peeraddr[3]
params["b"] = res.sent_size
params["e"] = ENV
params["f"] = res.filename || ""
params["h"] = req.peeraddr[2]
params["i"] = req
params["l"] = "-"
params["m"] = req.request_method
params["n"] = req.attributes
params["o"] = res
params["p"] = req.port
params["q"] = req.query_string
params["r"] = req.request_line.sub(/\x0d?\x0a\z/o, '')
params["s"] = res.status # won't support "%>s"
params["t"] = req.request_time
params["T"] = Time.now - req.request_time
params["u"] = req.user || "-"
params["U"] = req.unparsed_uri
params["v"] = config[:ServerName]
params
end
def format(format_string, params)
format_string.gsub(/\%(?:\{(.*?)\})?>?([a-zA-Z%])/){
param, spec = $1, $2
case spec[0]
when ?e, ?i, ?n, ?o
raise AccessLogError,
"parameter is required for \"#{spec}\"" unless param
(param = params[spec][param]) ? escape(param) : "-"
when ?t
params[spec].strftime(param || CLF_TIME_FORMAT)
when ?%
"%"
else
escape(params[spec].to_s)
end
}
end
def escape(data)
if data.tainted?
data.gsub(/[[:cntrl:]\\]+/) {$&.dump[1...-1]}.untaint
else
data
end
end
end
end
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