Class: Protocol::Rack::Adapter::Rack2
- Defined in:
- lib/protocol/rack/adapter/rack2.rb
Constant Summary collapse
- RACK_VERSION =
'rack.version'
- RACK_MULTITHREAD =
'rack.multithread'
- RACK_MULTIPROCESS =
'rack.multiprocess'
- RACK_RUN_ONCE =
'rack.run_once'
- RACK_IS_HIJACK =
'rack.hijack?'
- RACK_HIJACK =
'rack.hijack'
Class Method Summary collapse
Instance Method Summary collapse
-
#call(request) ⇒ Object
Build a rack ‘env` from the incoming request and apply it to the rack middleware.
- #make_environment(request) ⇒ Object
-
#wrap_headers(fields) ⇒ Object
Process the rack response headers into into a HTTP::Headers instance, along with any extra ‘rack.` metadata.
Methods inherited from Generic
#failure_response, #initialize, #logger, #unwrap_headers, #unwrap_request
Constructor Details
This class inherits a constructor from Protocol::Rack::Adapter::Generic
Class Method Details
.make_response(env, response) ⇒ Object
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# File 'lib/protocol/rack/adapter/rack2.rb', line 123 def self.make_response(env, response) # These interfaces should be largely compatible: headers = response.headers.to_h if protocol = response.protocol headers['rack.protocol'] = protocol end if body = response.body and body.stream? if env[RACK_IS_HIJACK] headers[RACK_HIJACK] = body body = [] end end headers.transform_values! do |value| value.is_a?(Array) ? value.join("\n") : value end [response.status, headers, body] end |
.wrap(app) ⇒ Object
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# File 'lib/protocol/rack/adapter/rack2.rb', line 23 def self.wrap(app) Rewindable.new(self.new(app)) end |
Instance Method Details
#call(request) ⇒ Object
Build a rack ‘env` from the incoming request and apply it to the rack middleware.
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# File 'lib/protocol/rack/adapter/rack2.rb', line 79 def call(request) env = self.make_environment(request) status, headers, body = @app.call(env) headers, = self.wrap_headers(headers) # Rack 2 spec does not allow only partial hijacking. # if hijack_body = meta[RACK_HIJACK] # body = hijack_body # end return Response.wrap(env, status, headers, , body, request) rescue => exception Console.logger.error(self) {exception} body&.close if body.respond_to?(:close) return failure_response(exception) end |
#make_environment(request) ⇒ Object
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# File 'lib/protocol/rack/adapter/rack2.rb', line 27 def make_environment(request) request_path, query_string = request.path.split('?', 2) server_name, server_port = (request. || '').split(':', 2) env = { RACK_VERSION => [2, 0], RACK_MULTITHREAD => false, RACK_MULTIPROCESS => true, RACK_RUN_ONCE => false, PROTOCOL_HTTP_REQUEST => request, RACK_INPUT => Input.new(request.body), RACK_ERRORS => $stderr, RACK_LOGGER => self.logger, # The request protocol, either from the upgrade header or the HTTP/2 pseudo header of the same name. RACK_PROTOCOL => request.protocol, # The HTTP request method, such as “GET” or “POST”. This cannot ever be an empty string, and so is always required. CGI::REQUEST_METHOD => request.method, # The initial portion of the request URL's “path” that corresponds to the application object, so that the application knows its virtual “location”. This may be an empty string, if the application corresponds to the “root” of the server. CGI::SCRIPT_NAME => '', # The remainder of the request URL's “path”, designating the virtual “location” of the request's target within the application. This may be an empty string, if the request URL targets the application root and does not have a trailing slash. This value may be percent-encoded when originating from a URL. CGI::PATH_INFO => request_path, CGI::REQUEST_PATH => request_path, CGI::REQUEST_URI => request.path, # The portion of the request URL that follows the ?, if any. May be empty, but is always required! CGI::QUERY_STRING => query_string || '', # The server protocol (e.g. HTTP/1.1): CGI::SERVER_PROTOCOL => request.version, # The request scheme: RACK_URL_SCHEME => request.scheme, # I'm not sure what sane defaults should be here: CGI::SERVER_NAME => server_name, CGI::SERVER_PORT => server_port, } self.unwrap_request(request, env) return env end |
#wrap_headers(fields) ⇒ Object
Process the rack response headers into into a HTTP::Headers instance, along with any extra ‘rack.` metadata.
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# File 'lib/protocol/rack/adapter/rack2.rb', line 102 def wrap_headers(fields) headers = ::Protocol::HTTP::Headers.new = {} fields.each do |key, value| key = key.downcase if key.start_with?('rack.') [key] = value elsif value.is_a?(String) value.split("\n").each do |value| headers[key] = value end else headers[key] = value end end return headers, end |