/usr/lib/ruby/vendor_ruby/capybara/server.rb is in ruby-capybara 2.2.1-1.
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 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | require 'uri'
require 'net/http'
require 'rack'
module Capybara
class Server
class Middleware
attr_accessor :error
def initialize(app)
@app = app
end
def call(env)
if env["PATH_INFO"] == "/__identify__"
[200, {}, [@app.object_id.to_s]]
else
begin
@app.call(env)
rescue StandardError => e
@error = e unless @error
raise e
end
end
end
end
class << self
def ports
@ports ||= {}
end
end
attr_reader :app, :port, :host
def initialize(app, port=Capybara.server_port, host=Capybara.server_host)
@app = app
@middleware = Middleware.new(@app)
@server_thread = nil # supress warnings
@host, @port = host, port
@port ||= Capybara::Server.ports[@app.object_id]
@port ||= find_available_port
end
def reset_error!
@middleware.error = nil
end
def error
@middleware.error
end
def responsive?
return false if @server_thread && @server_thread.join(0)
res = Net::HTTP.start(host, @port) { |http| http.get('/__identify__') }
if res.is_a?(Net::HTTPSuccess) or res.is_a?(Net::HTTPRedirection)
return res.body == @app.object_id.to_s
end
rescue SystemCallError
return false
end
def boot
unless responsive?
Capybara::Server.ports[@app.object_id] = @port
@server_thread = Thread.new do
Capybara.server.call(@middleware, @port)
end
Timeout.timeout(60) { @server_thread.join(0.1) until responsive? }
end
rescue Timeout::Error
raise "Rack application timed out during boot"
else
self
end
private
def find_available_port
server = TCPServer.new('127.0.0.1', 0)
server.addr[1]
ensure
server.close if server
end
end
end
|