/usr/lib/ruby/vendor_ruby/rack/logger.rb is in ruby-rack 1.6.4-4+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | require 'logger'
module Rack
# Sets up rack.logger to write to rack.errors stream
class Logger
def initialize(app, level = ::Logger::INFO)
@app, @level = app, level
end
def call(env)
logger = ::Logger.new(env['rack.errors'])
logger.level = @level
env['rack.logger'] = logger
@app.call(env)
end
end
end
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