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
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 |
# File 'lib/protocol/rack/adapter/rack2.rb', line 121 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 # headers['upgrade'] = 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
23 24 25 |
# 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.
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 |
# File 'lib/protocol/rack/adapter/rack2.rb', line 80 def call(request) env = self.make_environment(request) status, headers, body = @app.call(env) headers, = self.wrap_headers(headers) if hijack_body = [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
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
# 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, RACK_IS_HIJACK => true, 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.
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 |
# 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 else value.split("\n").each do |value| headers[key] = value end end end return headers, end |