mirror of
https://github.com/puma/puma.git
synced 2022-11-09 13:48:40 -05:00
383 lines
10 KiB
Ruby
383 lines
10 KiB
Ruby
require 'puma/const'
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require 'uri'
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module Puma
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class Binder
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include Puma::Const
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RACK_VERSION = [1,3].freeze
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def initialize(events)
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@events = events
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@listeners = []
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@inherited_fds = {}
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@activated_sockets = {}
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@unix_paths = []
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@proto_env = {
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"rack.version".freeze => RACK_VERSION,
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"rack.errors".freeze => events.stderr,
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"rack.multithread".freeze => true,
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"rack.multiprocess".freeze => false,
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"rack.run_once".freeze => false,
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"SCRIPT_NAME".freeze => ENV['SCRIPT_NAME'] || "",
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# I'd like to set a default CONTENT_TYPE here but some things
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# depend on their not being a default set and inferring
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# it from the content. And so if i set it here, it won't
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# infer properly.
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"QUERY_STRING".freeze => "",
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SERVER_PROTOCOL => HTTP_11,
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SERVER_SOFTWARE => PUMA_SERVER_STRING,
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GATEWAY_INTERFACE => CGI_VER
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}
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@envs = {}
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@ios = []
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end
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attr_reader :listeners, :ios
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def env(sock)
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@envs.fetch(sock, @proto_env)
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end
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def close
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@ios.each { |i| i.close }
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@unix_paths.each { |i| File.unlink i }
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end
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def import_from_env
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remove = []
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ENV.each do |k,v|
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if k =~ /PUMA_INHERIT_\d+/
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fd, url = v.split(":", 2)
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@inherited_fds[url] = fd.to_i
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remove << k
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elsif k == 'LISTEN_FDS' && ENV['LISTEN_PID'].to_i == $$
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v.to_i.times do |num|
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fd = num + 3
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sock = TCPServer.for_fd(fd)
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begin
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key = [ :unix, Socket.unpack_sockaddr_un(sock.getsockname) ]
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rescue ArgumentError
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port, addr = Socket.unpack_sockaddr_in(sock.getsockname)
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if addr =~ /\:/
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addr = "[#{addr}]"
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end
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key = [ :tcp, addr, port ]
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end
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@activated_sockets[key] = sock
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@events.debug "Registered #{key.join ':'} for activation from LISTEN_FDS"
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end
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remove << k << 'LISTEN_PID'
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end
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end
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remove.each do |k|
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ENV.delete k
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end
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end
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def parse(binds, logger)
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binds.each do |str|
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uri = URI.parse str
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case uri.scheme
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when "tcp"
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if fd = @inherited_fds.delete(str)
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logger.log "* Inherited #{str}"
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io = inherit_tcp_listener uri.host, uri.port, fd
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elsif sock = @activated_sockets.delete([ :tcp, uri.host, uri.port ])
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logger.log "* Activated #{str}"
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io = inherit_tcp_listener uri.host, uri.port, sock
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else
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params = Util.parse_query uri.query
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opt = params.key?('low_latency')
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bak = params.fetch('backlog', 1024).to_i
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logger.log "* Listening on #{str}"
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io = add_tcp_listener uri.host, uri.port, opt, bak
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end
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@listeners << [str, io]
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when "unix"
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path = "#{uri.host}#{uri.path}".gsub("%20", " ")
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if fd = @inherited_fds.delete(str)
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logger.log "* Inherited #{str}"
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io = inherit_unix_listener path, fd
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elsif sock = @activated_sockets.delete([ :unix, path ])
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logger.log "* Activated #{str}"
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io = inherit_unix_listener path, sock
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else
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logger.log "* Listening on #{str}"
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umask = nil
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mode = nil
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backlog = nil
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if uri.query
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params = Util.parse_query uri.query
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if u = params['umask']
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# Use Integer() to respect the 0 prefix as octal
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umask = Integer(u)
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end
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if u = params['mode']
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mode = Integer('0'+u)
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end
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if u = params['backlog']
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backlog = Integer(u)
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end
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end
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io = add_unix_listener path, umask, mode, backlog
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end
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@listeners << [str, io]
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when "ssl"
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MiniSSL.check
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params = Util.parse_query uri.query
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require 'puma/minissl'
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ctx = MiniSSL::Context.new
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if defined?(JRUBY_VERSION)
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unless params['keystore']
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@events.error "Please specify the Java keystore via 'keystore='"
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end
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ctx.keystore = params['keystore']
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unless params['keystore-pass']
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@events.error "Please specify the Java keystore password via 'keystore-pass='"
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end
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ctx.keystore_pass = params['keystore-pass']
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else
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unless params['key']
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@events.error "Please specify the SSL key via 'key='"
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end
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ctx.key = params['key']
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unless params['cert']
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@events.error "Please specify the SSL cert via 'cert='"
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end
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ctx.cert = params['cert']
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if ['peer', 'force_peer'].include?(params['verify_mode'])
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unless params['ca']
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@events.error "Please specify the SSL ca via 'ca='"
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end
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end
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ctx.ca = params['ca'] if params['ca']
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end
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if params['verify_mode']
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ctx.verify_mode = case params['verify_mode']
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when "peer"
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MiniSSL::VERIFY_PEER
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when "force_peer"
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MiniSSL::VERIFY_PEER | MiniSSL::VERIFY_FAIL_IF_NO_PEER_CERT
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when "none"
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MiniSSL::VERIFY_NONE
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else
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@events.error "Please specify a valid verify_mode="
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MiniSSL::VERIFY_NONE
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end
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else
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ctx.verify_mode = MiniSSL::VERIFY_NONE
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end
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if fd = @inherited_fds.delete(str)
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logger.log "* Inherited #{str}"
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io = inherit_ssl_listener fd, ctx
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elsif sock = @activated_sockets.delete([ :tcp, uri.host, uri.port ])
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logger.log "* Activated #{str}"
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io = inherit_ssl_listener sock, ctx
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else
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logger.log "* Listening on #{str}"
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io = add_ssl_listener uri.host, uri.port, ctx
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end
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@listeners << [str, io]
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else
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logger.error "Invalid URI: #{str}"
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end
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end
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# If we inherited fds but didn't use them (because of a
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# configuration change), then be sure to close them.
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@inherited_fds.each do |str, fd|
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logger.log "* Closing unused inherited connection: #{str}"
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begin
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IO.for_fd(fd).close
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rescue SystemCallError
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end
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# We have to unlink a unix socket path that's not being used
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uri = URI.parse str
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if uri.scheme == "unix"
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path = "#{uri.host}#{uri.path}"
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File.unlink path
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end
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end
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# Also close any unused activated sockets
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@activated_sockets.each do |key, sock|
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logger.log "* Closing unused activated socket: #{key.join ':'}"
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begin
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sock.close
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rescue SystemCallError
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end
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# We have to unlink a unix socket path that's not being used
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File.unlink key[1] if key[0] == :unix
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end
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end
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# Tell the server to listen on host +host+, port +port+.
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# If +optimize_for_latency+ is true (the default) then clients connecting
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# will be optimized for latency over throughput.
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#
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# +backlog+ indicates how many unaccepted connections the kernel should
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# allow to accumulate before returning connection refused.
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#
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def add_tcp_listener(host, port, optimize_for_latency=true, backlog=1024)
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host = host[1..-2] if host and host[0..0] == '['
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s = TCPServer.new(host, port)
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if optimize_for_latency
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s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
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end
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s.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true)
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s.listen backlog
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@connected_port = s.addr[1]
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@ios << s
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s
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end
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attr_reader :connected_port
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def inherit_tcp_listener(host, port, fd)
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if fd.kind_of? TCPServer
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s = fd
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else
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s = TCPServer.for_fd(fd)
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end
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@ios << s
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s
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end
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def add_ssl_listener(host, port, ctx,
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optimize_for_latency=true, backlog=1024)
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require 'puma/minissl'
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MiniSSL.check
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host = host[1..-2] if host[0..0] == '['
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s = TCPServer.new(host, port)
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if optimize_for_latency
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s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
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end
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s.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true)
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s.listen backlog
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ssl = MiniSSL::Server.new s, ctx
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env = @proto_env.dup
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env[HTTPS_KEY] = HTTPS
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@envs[ssl] = env
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@ios << ssl
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s
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end
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def inherit_ssl_listener(fd, ctx)
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require 'puma/minissl'
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MiniSSL.check
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if fd.kind_of? TCPServer
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s = fd
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else
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s = TCPServer.for_fd(fd)
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end
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ssl = MiniSSL::Server.new(s, ctx)
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env = @proto_env.dup
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env[HTTPS_KEY] = HTTPS
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@envs[ssl] = env
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@ios << ssl
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s
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end
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# Tell the server to listen on +path+ as a UNIX domain socket.
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#
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def add_unix_listener(path, umask=nil, mode=nil, backlog=nil)
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@unix_paths << path
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# Let anyone connect by default
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umask ||= 0
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begin
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old_mask = File.umask(umask)
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if File.exist? path
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begin
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old = UNIXSocket.new path
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rescue SystemCallError, IOError
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File.unlink path
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else
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old.close
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raise "There is already a server bound to: #{path}"
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end
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end
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s = UNIXServer.new(path)
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s.listen backlog if backlog
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@ios << s
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ensure
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File.umask old_mask
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end
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if mode
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File.chmod mode, path
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end
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env = @proto_env.dup
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env[REMOTE_ADDR] = "127.0.0.1"
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@envs[s] = env
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s
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end
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def inherit_unix_listener(path, fd)
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@unix_paths << path
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if fd.kind_of? TCPServer
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s = fd
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else
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s = UNIXServer.for_fd fd
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end
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@ios << s
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env = @proto_env.dup
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env[REMOTE_ADDR] = "127.0.0.1"
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@envs[s] = env
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s
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end
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end
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end
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