Class: Falcon::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/falcon/configuration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(verbose = false) ⇒ Configuration 



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# File 'lib/falcon/configuration.rb', line 68

def initialize(verbose = false)
  @environments = {}
  @verbose = verbose
  
  add(:ssl) do
    ssl_session_id {"falcon"}
  end
  
  add(:host, :ssl) do
    ssl_certificate_path {File.expand_path("ssl/certificate.pem", root)}
    ssl_certificate {OpenSSL::X509::Certificate.new(File.read(ssl_certificate_path))}
    
    ssl_private_key_path {File.expand_path("ssl/private.key", root)}
    ssl_private_key {OpenSSL::PKey::RSA.new(File.read(ssl_private_key_path))}
    
    ssl_context do
      OpenSSL::SSL::SSLContext.new.tap do |context|
        context.cert = ssl_certificate
        context.key = ssl_private_key
        
        context.session_id_context = ssl_session_id
        
        context.set_params
        
        context.setup
      end
    end
  end
  
  add(:lets_encrypt, :ssl) do
    lets_encrypt_root '/etc/letsencrypt/live'
    ssl_certificate_path {File.join(lets_encrypt_root, authority, "fullchain.pem")}
    ssl_private_key_path {File.join(lets_encrypt_root, authority, "privkey.pem")}
  end
  
  add(:self_signed, :ssl) do
    ssl_context do
      contexts = Localhost::Authority.fetch(authority)
      
      contexts.server_context.tap do |context|
        context.alpn_select_cb = lambda do |protocols|
          if protocols.include? "h2"
            return "h2"
          elsif protocols.include? "http/1.1"
            return "http/1.1"
          elsif protocols.include? "http/1.0"
            return "http/1.0"
          else
            return nil
          end
        end
        
        context.session_id_context = "falcon"
      end
    end
  end
  
  add(:proxy, :host) do
    endpoint {::Async::HTTP::Endpoint.parse(url)}
  end
  
  add(:rack, :host) do
    config_path {::File.expand_path("config.ru", root)}
    
    middleware do
      ::Falcon::Server.middleware(
        ::Rack::Builder.parse_file(config_path).first, verbose: verbose
      )
    end
    
    authority 'localhost'
    scheme 'https'
    protocol {::Async::HTTP::Protocol::HTTP2}
    ipc_path {::File.expand_path("server.ipc", root)}
    
    endpoint {ProxyEndpoint.unix(ipc_path, protocol: protocol, scheme: scheme, authority: authority)}
    
    bound_endpoint do
      Async::Reactor.run do
        Async::IO::SharedEndpoint.bound(endpoint)
      end.wait
    end
    
    server do
      ::Falcon::Server.new(middleware, bound_endpoint, protocol, scheme)
    end
  end
end

Instance Attribute Details

#environments ⇒ Object (readonly)

Returns the value of attribute environments.



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# File 'lib/falcon/configuration.rb', line 157

def environments
  @environments
end

Instance Method Details

#add(name, *parents, &block) ⇒ Object

Raises:

  • (KeyError) 


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# File 'lib/falcon/configuration.rb', line 159

def add(name, *parents, &block)
  raise KeyError.new("#{name} is already set", key: name) if @environments.key?(name)
  
  environments = parents.map{|name| @environments.fetch(name)}
  
  parent = Build::Environment.combine(*environments)
  
  @environments[name] = Build::Environment.new(parent, name: name, &block)
end

#each ⇒ Object 



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# File 'lib/falcon/configuration.rb', line 169

def each
  return to_enum unless block_given?
  
  @environments.each do |name, environment|
    if environment.include?(:authority)
      yield environment
    end
  end
end

#host(name, *parents, &block) ⇒ Object 



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# File 'lib/falcon/configuration.rb', line 179

def host(name, *parents, &block)
  add(name, :host, *parents, &block).tap do |environment|
    environment[:authority] = name
  end
end

#load_file(path) ⇒ Object 



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# File 'lib/falcon/configuration.rb', line 197

def load_file(path)
  self.instance_eval(File.read(path), File.realpath(path))
end

#proxy(name, *parents, &block) ⇒ Object 



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# File 'lib/falcon/configuration.rb', line 185

def proxy(name, *parents, &block)
  add(name, :proxy, *parents, &block).tap do |environment|
    environment[:authority] = name
  end
end

#rack(name, *parents, &block) ⇒ Object 



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# File 'lib/falcon/configuration.rb', line 191

def rack(name, *parents, &block)
  add(name, :rack, *parents, &block).tap do |environment|
    environment[:authority] = name
  end
end