Class: Falcon::Controller::Proxy

Inherits:
Serve
  • Object
show all
Defined in:
lib/falcon/controller/proxy.rb

Constant Summary collapse

SERVER_CIPHERS = 
"EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5".freeze
DEFAULT_SESSION_ID = 
"falcon"

Instance Method Summary collapse

Methods inherited from Serve

#create_container, #setup, #stop

Constructor Details

#initialize(command, session_id: DEFAULT_SESSION_ID, **options) ⇒ Proxy 



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# File 'lib/falcon/controller/proxy.rb', line 32

def initialize(command, session_id: DEFAULT_SESSION_ID, **options)
  super(command, **options)
  
  @session_id = session_id
  @hosts = {}
end

Instance Method Details

#endpoint ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 78

def endpoint
  @command.endpoint.with(
    ssl_context: self.ssl_context,
    reuse_address: true,
  )
end

#host_context(socket, hostname) ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 47

def host_context(socket, hostname)
  if host = @hosts[hostname]
    Async.logger.debug(self) {"Resolving #{hostname} -> #{host}"}
    
    socket.hostname = hostname
    
    return host.ssl_context
  else
    Async.logger.warn(self) {"Unable to resolve #{hostname}!"}
    
    return nil
  end
end

#load_app ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 39

def load_app
  return Middleware::Proxy.new(Middleware::BadRequest, @hosts)
end

#name ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 43

def name
  "Falcon Proxy Server"
end

#ssl_context ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 61

def ssl_context
  @server_context ||= OpenSSL::SSL::SSLContext.new.tap do |context|
    context.servername_cb = Proc.new do |socket, hostname|
      self.host_context(socket, hostname)
    end
    
    context.session_id_context = @session_id
    
    context.set_params(
      ciphers: SERVER_CIPHERS,
      verify_mode: OpenSSL::SSL::VERIFY_NONE,
    )
    
    context.setup
  end
end

#start ⇒ Object 



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# File 'lib/falcon/controller/proxy.rb', line 85

def start
  configuration = @command.configuration
  
  services = Services.new(configuration)
  
  @hosts = {}
  
  services.each do |service|
    if service.is_a?(Service::Application)
      @hosts[service.authority] = service
    end
  end
  
  super
end