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