Class: Itsi::Server

Inherits:
Object
  • Object
show all
Extended by:
RackInterface, RouteTester, SchedulerInterface
Defined in:
lib/itsi/server.rb,
lib/itsi/passfile.rb,
lib/itsi/server/config.rb,
lib/itsi/server/version.rb,
lib/itsi/server/config/dsl.rb,
lib/itsi/server/route_tester.rb,
lib/itsi/server/config/option.rb,
lib/itsi/server/rack_interface.rb,
lib/itsi/server/typed_handlers.rb,
lib/itsi/server/config/middleware.rb,
lib/itsi/server/config/known_paths.rb,
lib/itsi/server/config/options/bind.rb,
lib/itsi/server/config/typed_struct.rb,
lib/itsi/server/grpc/grpc_interface.rb,
lib/itsi/server/scheduler_interface.rb,
lib/itsi/server/config/options/watch.rb,
lib/itsi/server/config/config_helpers.rb,
lib/itsi/server/config/middleware/csp.rb,
lib/itsi/server/config/middleware/run.rb,
lib/itsi/server/config/options/writev.rb,
lib/itsi/server/config/middleware/cors.rb,
lib/itsi/server/config/middleware/etag.rb,
lib/itsi/server/config/middleware/grpc.rb,
lib/itsi/server/config/options/include.rb,
lib/itsi/server/config/options/nodelay.rb,
lib/itsi/server/config/options/preload.rb,
lib/itsi/server/config/options/threads.rb,
lib/itsi/server/config/options/workers.rb,
lib/itsi/server/config/middleware/proxy.rb,
lib/itsi/server/config/options/daemonize.rb,
lib/itsi/server/config/options/log_level.rb,
lib/itsi/server/config/options/log_format.rb,
lib/itsi/server/config/options/log_target.rb,
lib/itsi/server/config/options/reuse_port.rb,
lib/itsi/server/config/middleware/auth_jwt.rb,
lib/itsi/server/config/middleware/location.rb,
lib/itsi/server/config/middleware/max_body.rb,
lib/itsi/server/config/middleware/redirect.rb,
lib/itsi/server/config/options/stream_body.rb,
lib/itsi/server/config/middleware/deny_list.rb,
lib/itsi/server/typed_handlers/param_parser.rb,
lib/itsi/server/config/middleware/allow_list.rb,
lib/itsi/server/config/middleware/auth_basic.rb,
lib/itsi/server/config/middleware/rate_limit.rb,
lib/itsi/server/config/options/reuse_address.rb,
lib/itsi/server/typed_handlers/source_parser.rb,
lib/itsi/server/config/middleware/compression.rb,
lib/itsi/server/config/middleware/rackup_file.rb,
lib/itsi/server/config/options/listen_backlog.rb,
lib/itsi/server/config/options/pipeline_flush.rb,
lib/itsi/server/config/middleware/auth_api_key.rb,
lib/itsi/server/config/middleware/endpoint/get.rb,
lib/itsi/server/config/middleware/endpoint/put.rb,
lib/itsi/server/config/middleware/log_requests.rb,
lib/itsi/server/config/middleware/token_source.rb,
lib/itsi/server/config/options/fiber_scheduler.rb,
lib/itsi/server/config/options/request_timeout.rb,
lib/itsi/server/config/middleware/cache_control.rb,
lib/itsi/server/config/middleware/cidr_to_regex.rb,
lib/itsi/server/config/middleware/endpoint/post.rb,
lib/itsi/server/config/middleware/static_assets.rb,
lib/itsi/server/config/options/hooks/after_fork.rb,
lib/itsi/server/config/options/pin_worker_cores.rb,
lib/itsi/server/config/options/recv_buffer_size.rb,
lib/itsi/server/config/options/send_buffer_size.rb,
lib/itsi/server/config/options/shutdown_timeout.rb,
lib/itsi/server/config/middleware/endpoint/patch.rb,
lib/itsi/server/config/middleware/error_response.rb,
lib/itsi/server/config/options/hooks/after_start.rb,
lib/itsi/server/config/options/hooks/before_fork.rb,
lib/itsi/server/config/options/scheduler_threads.rb,
lib/itsi/server/config/middleware/endpoint/delete.rb,
lib/itsi/server/config/middleware/request_headers.rb,
lib/itsi/server/config/middleware/static_response.rb,
lib/itsi/server/config/options/auto_reload_config.rb,
lib/itsi/server/config/options/log_target_filters.rb,
lib/itsi/server/config/middleware/rate_limit_store.rb,
lib/itsi/server/config/middleware/response_headers.rb,
lib/itsi/server/config/options/header_read_timeout.rb,
lib/itsi/server/config/options/worker_memory_limit.rb,
lib/itsi/server/config/middleware/endpoint/endpoint.rb,
lib/itsi/server/config/options/hooks/before_restart.rb,
lib/itsi/server/config/options/hooks/before_shutdown.rb,
lib/itsi/server/config/options/multithreaded_reactor.rb,
lib/itsi/server/config/middleware/endpoint/controller.rb,
lib/itsi/server/config/options/redirect_http_to_https.rb,
lib/itsi/server/config/middleware/intrusion_protection.rb,
lib/itsi/server/config/options/oob_gc_responses_threshold.rb,
lib/itsi/server/config/options/hooks/after_memory_limit_reached.rb,
lib/itsi/server/config/options/ruby_thread_request_backlog_size.rb

Defined Under Namespace

Modules: CidrToRegex, Config, KnownPaths, Passfile, RackInterface, RouteTester, SchedulerInterface, TypedHandlers Classes: GrpcInterface

Constant Summary collapse

VERSION = 
"0.2.20"

Class Method Summary collapse

Methods included from RackInterface

call, for, respond, streaming_body?

Methods included from SchedulerInterface

schedule, start_scheduler_loop

Methods included from RouteTester

expand_tokens, explode_route_pattern, format_mw, parse_alternation, parse_expression, print_route

Class Method Details

.add_worker ⇒ Object 



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# File 'lib/itsi/server.rb', line 226

def add_worker
  return unless (pid = get_pid)

  Process.kill(:TTIN, pid)
end

.get_pid(warn = true) ⇒ Object 



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# File 'lib/itsi/server.rb', line 101

def get_pid(warn = true)
  pid = File.read(Itsi::Server::Config.pid_file_path).to_i
  if Process.kill(0, pid)
    pid
  else
    warn ? puts("No server running") : nil
    nil
  end
rescue StandardError
  warn ? puts("No server running") : nil
  nil
end

.init ⇒ Object 



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# File 'lib/itsi/server.rb', line 118

def init
  Config.write_default
end

.load_route_middleware_stack(cli_params) ⇒ Object 



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# File 'lib/itsi/server.rb', line 245

def load_route_middleware_stack(cli_params)
  middleware, errors = Config.build_config(cli_params,
                                           Itsi::Server::Config.config_file_path(cli_params[:config_file_path]))
  if errors.any?
    puts errors
    []
  else
    middleware["middleware_loader"][]
  end
end

.passfile(options, subcmd) ⇒ Object 



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# File 'lib/itsi/server.rb', line 134

def passfile(options, subcmd)
  filename = options[:passfile]
  unless filename || subcmd == "echo"
    puts "Error: passfile not set. Use --passfile option to provide a path to a file containing hashed credentials."
    puts "This file contains hashed credentials and should not be included in source control without additional protection."
    exit(1)
  end
  algorithm = options.fetch(:algorithm, "sha256")

  unless %w[sha256 sha512 bcrypt argon2 none].include?(algorithm)
    puts "Invalid algorithm"
    exit(1)
  end

  case subcmd
  when "add", "echo"
    Passfile.send(subcmd, filename, algorithm)
  when "remove", "list"
    Passfile.send(subcmd, filename)
  else
    puts "Valid subcommands are: add | remove | list"
    exit(0)
  end
end

.reload ⇒ Object 



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# File 'lib/itsi/server.rb', line 122

def reload
  return unless (pid = get_pid)

  Process.kill(:HUP, pid)
end

.remove_worker ⇒ Object 



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# File 'lib/itsi/server.rb', line 232

def remove_worker
  return unless (pid = get_pid)

  Process.kill(:TTOU, pid)
end

.restart ⇒ Object 



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# File 'lib/itsi/server.rb', line 128

def restart
  return unless (pid = get_pid)

  Process.kill(:USR1, pid)
end

.routes(cli_params = {}) ⇒ Object 



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# File 'lib/itsi/server.rb', line 267

def routes(cli_params = {})
  load_route_middleware_stack(cli_params).first.each do |stack|
    routes = explode_route_pattern(stack["route"].source)
    routes.each do |route|
      print_route(route, stack)
    end
  end
  puts "─" * 76
end

.running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itsi/server.rb', line 31

def running?
  @running && !@running.empty?
end

.save_or_print(filename, content, options) ⇒ Object 



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# File 'lib/itsi/server.rb', line 175

def save_or_print(filename, content, options)
  if options[:save_dir]
    FileUtils.mkdir_p(options[:save_dir])
    path = unique_path(options[:save_dir], filename)
    File.write(path, content)
    puts "Written to #{path}"
  else
    puts content
  end
end

.secret(options) ⇒ Object 



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# File 'lib/itsi/server.rb', line 186

def secret(options)
  require "openssl"
  require "base64"

  puts "Enter algorithm (one of: HS256, HS384, HS512, RS256, RS384, RS512, PS256, PS384, PS512, ES256, ES384):"
  alg = $stdin.gets.chomp.upcase

  case alg
  when /^HS(\d+)$/
    bits = ::Regexp.last_match(1).to_i
    bytes = bits / 8
    key = SecureRandom.random_bytes(bytes)
    pem = Base64.strict_encode64(key)
    content = "=== HMAC #{bits}-bit Secret (base64) ===\n#{pem}\n"
    save_or_print("hmac_#{bits}_secret.txt", content, options)

  when /^RS/, /^PS/
    rsa = OpenSSL::PKey::RSA.new(2048)
    priv = rsa.to_pem
    pub  = rsa.public_key.to_pem
    save_or_print("rsa_private.pem", "=== RSA Private Key ===\n#{priv}", options)
    save_or_print("rsa_public.pem",  "=== RSA Public Key ===\n#{pub}", options)

  when "ES256", "ES384"
    curve = (alg == "ES256" ? "prime256v1" : "secp384r1")
    ec = OpenSSL::PKey::EC.new(curve)
    ec.generate_key
    priv = ec.to_pem
    pub_ec = ec.dup
    pub_ec.private_key = nil
    pub = pub_ec.to_pem
    save_or_print("ecdsa_private.pem", "=== ECDSA Private Key ===\n#{priv}", options)
    save_or_print("ecdsa_public.pem",  "=== ECDSA Public Key ===\n#{pub}", options)

  else
    warn "Unsupported algorithm: #{alg}"
    exit 1
  end
end

.start(cli_params, background: false, &blk) ⇒ Object Also known as: serve 



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# File 'lib/itsi/server.rb', line 42

def start(cli_params, background: false, &blk)
  itsi_file = Itsi::Server::Config.config_file_path(cli_params[:config_file])
  Itsi.log_debug "Constructing server #{cli_params}: #{itsi_file}"
  server = new(cli_params, itsi_file, blk)
  previous_handler = Signal.trap(:INT, :DEFAULT)
  run = lambda do
    @running ||= []
    @running << server

    if cli_params[:daemonize]
      Itsi.log_info("Itsi is running in the background. Writing pid to #{Itsi::Server::Config.pid_file_path}")
      Itsi.log_info("To stop Itsi, run 'itsi stop' from this directory.")
      Process.daemon(true, false)
    end
    write_pid

    Itsi.log_info "Starting Itsi..."
    server.start
    @running.delete(server)
    Signal.trap(:INT, previous_handler)
    server
  end
  background ? [server, Thread.new(&run)] : run[]
rescue Exception => e # rubocop:disable Lint/RescueException
  Itsi.log_error e.message
end

.start_in_background_thread(cli_params = {}, &blk) ⇒ Object 



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# File 'lib/itsi/server.rb', line 35

def start_in_background_thread(cli_params = {}, &blk)
  @background_threads ||= []
  server, background_thread = start(cli_params, background: true, &blk)
  @background_threads << background_thread
  server
end

.static(cli_params) ⇒ Object 



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# File 'lib/itsi/server.rb', line 69

def static(cli_params)
  start(cli_params.merge(static: true))
end

.status ⇒ Object 



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# File 'lib/itsi/server.rb', line 238

def status
  return unless (pid = get_pid)

  Itsi.log_info("Itsi running on #{pid}")
  Process.kill(:USR2, pid)
end

.stop ⇒ Object 



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# File 'lib/itsi/server.rb', line 73

def stop
  return unless (pid = get_pid)

  Process.kill(:INT, pid)
  i = 0
  while i < 10
    sleep 0.25
    unless get_pid(false)
      puts "Itsi stopped"
      break
    end
    i += 1
  end
end

.stop_background_threads ⇒ Object 



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# File 'lib/itsi/server.rb', line 88

def stop_background_threads
  @running && @running.each(&:stop)
  @background_threads&.each(&:join)
  @background_threads = []
  @running = []
end

.test ⇒ Object 



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# File 'lib/itsi/server.rb', line 114

def test
  Itsi::Server::Config.test!({})
end

.test_route(cli_params, route_str) ⇒ Object 



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# File 'lib/itsi/server.rb', line 256

def test_route(cli_params, route_str)
  matched_route = load_route_middleware_stack(cli_params).find do |route|
    route["route"] =~ route_str
  end
  if matched_route
    print_route(route_str, matched_route)
  else
    puts "No matching route found"
  end
end

.unique_path(dir, filename) ⇒ Object 



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# File 'lib/itsi/server.rb', line 159

def unique_path(dir, filename)
  base = File.basename(filename, ".*")
  ext  = File.extname(filename)
  candidate = File.join(dir, filename)
  return candidate unless File.exist?(candidate)

  i = 1
  loop do
    new_name = "#{base}_#{i}#{ext}"
    candidate = File.join(dir, new_name)
    return candidate unless File.exist?(candidate)

    i += 1
  end
end

.write_pid ⇒ Object 



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# File 'lib/itsi/server.rb', line 95

def write_pid
  File.write(Itsi::Server::Config.pid_file_path, Process.pid)
rescue => e
  Itsi.log_error e.message
end