Add SSL support for the control app

This starts to address [#2015]. I think we will need to add SSL support
to the control cli as well.

[#2015]: #2015

lib/puma/runner.rb

@@ -2,6 +2,7 @@
 
 require 'puma/server'
 require 'puma/const'
+require 'puma/minissl/context_builder'
 
 module Puma
   # Generic class that is used by `Puma::Cluster` and `Puma::Single` to
@@ -64,6 +65,12 @@ def start_control
       control.max_threads = 1
 
       case uri.scheme
+      when "ssl"
+          log "* Starting control server on #{str}"
+          params = Util.parse_query uri.query
+          ctx = MiniSSL::ContextBuilder.new(params, @events).context
+
+          control.add_ssl_listener uri.host, uri.port, ctx
       when "tcp"
         log "* Starting control server on #{str}"
         control.add_tcp_listener uri.host, uri.port

test/helpers/ssl.rb

@@ -0,0 +1,13 @@
+module SSLHelper
+  def ssl_query
+    @ssl_query ||= if Puma.jruby?
+      @keystore = File.expand_path "../../../examples/puma/keystore.jks", __FILE__
+      @ssl_cipher_list = "TLS_DHE_RSA_WITH_DES_CBC_SHA,TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"
+      "keystore=#{@keystore}&keystore-pass=pswd&ssl_cipher_list=#{@ssl_cipher_list}"
+    else
+      @cert = File.expand_path "../../../examples/puma/cert_puma.pem", __FILE__
+      @key  = File.expand_path "../../../examples/puma/puma_keypair.pem", __FILE__
+      "key=#{@key}&cert=#{@cert}"
+    end
+  end
+end

test/test_binder.rb

@@ -1,11 +1,14 @@
 # frozen_string_literal: true
 
 require_relative "helper"
+require_relative "helpers/ssl"
 
 require "puma/binder"
 require "puma/puma_http11"
 
 class TestBinderBase < Minitest::Test
+  include SSLHelper
+
   def setup
     @events = Puma::Events.strings
     @binder = Puma::Binder.new(@events)
@@ -16,18 +19,6 @@ def setup
   def ssl_context_for_binder(binder = @binder)
     binder.ios[0].instance_variable_get(:@ctx)
   end
-
-  def ssl_query
-    @ssl_query ||= if Puma.jruby?
-      @keystore = File.expand_path "../../examples/puma/keystore.jks", __FILE__
-      @ssl_cipher_list = "TLS_DHE_RSA_WITH_DES_CBC_SHA,TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"
-      "keystore=#{@keystore}&keystore-pass=pswd&ssl_cipher_list=#{@ssl_cipher_list}"
-    else
-      @cert = File.expand_path "../../examples/puma/cert_puma.pem", __FILE__
-      @key  = File.expand_path "../../examples/puma/puma_keypair.pem", __FILE__
-      "key=#{@key}&cert=#{@cert}"
-    end
-  end
 end
 
 class TestBinder < TestBinderBase

test/test_cli.rb

@@ -1,9 +1,12 @@
 require_relative "helper"
+require_relative "helpers/ssl"
 
 require "puma/cli"
 require "json"
 
 class TestCLI < Minitest::Test
+  include SSLHelper
+
   def setup
     @environment = 'production'
     @tmp_file = Tempfile.new("puma-test")
@@ -62,6 +65,42 @@ def test_control_for_tcp
     t.join
   end
 
+  def test_control_for_ssl
+    app_port = UniquePort.call
+    control_port = UniquePort.call
+    control_host = "127.0.0.1"
+    control_url = "ssl://#{control_host}:#{control_port}?#{ssl_query}"
+    token = "token"
+
+    cli = Puma::CLI.new ["-b", "tcp://127.0.0.1:#{app_port}",
+                         "--control-url", control_url,
+                         "--control-token", token,
+                         "test/rackup/lobster.ru"], @events
+
+    t = Thread.new do
+      cli.run
+    end
+
+    wait_booted
+
+    body = ""
+    http = Net::HTTP.new control_host, control_port
+    http.use_ssl = true
+    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
+    http.start do
+      req = Net::HTTP::Get.new "/stats?token=#{token}", {}
+      body = http.request(req).body
+    end
+
+    expected_stats = /{ "started_at": "\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z", "backlog": 0, "running": 0, "pool_capacity": 16, "max_threads": 16 }/
+    assert_match(expected_stats, body.split(/\r?\n/).last)
+    assert_match(expected_stats, Puma.stats)
+
+  ensure
+    cli.launcher.stop
+    t.join
+  end
+
   def test_control_clustered
     skip NO_FORK_MSG  unless HAS_FORK
     skip UNIX_SKT_MSG unless UNIX_SKT_EXIST