Class: UV::Http::Request

Inherits:
Libuv::Q::DeferredPromise
  • Object
show all
Includes:
Encoding
Defined in:
lib/uv-rays/http/request.rb

Constant Summary collapse 

'cookie'
CONNECTION = 
:Connection
CRLF = 
"\r\n"

Constants included from Encoding

Encoding::FIELD_ENCODING, Encoding::HTTP_REQUEST_HEADER

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Encoding

#bytesize, #encode_auth, #encode_cookie, #encode_field, #encode_headers, #encode_param, #encode_query, #encode_request, #escape, #form_encode_body, #munge_header_keys, #unescape

Constructor Details

#initialize(endpoint, options) ⇒ Request

Returns a new instance of Request.



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# File 'lib/uv-rays/http/request.rb', line 32

def initialize(endpoint, options)
    super(endpoint.thread, endpoint.thread.defer)

    @host = endpoint.host
    @port = endpoint.port
    @http_proxy = endpoint.http_proxy? ? endpoint.proxy : nil
    @encoded_host = endpoint.encoded_host

    path = options[:path]
    if path.is_a?(::URI)
        @path = path.to_s.split(@encoded_host)[1] || '/'
    else
        @path = path
    end

    @method = options[:method]
    @cookiejar = endpoint.cookiejar
    @middleware = endpoint.middleware
    @uri = "#{endpoint.scheme}://#{@encoded_host}#{@path}"
    @path = @uri if @http_proxy
    endpoint = nil

    @options = options
    @ntlm_creds = options[:ntlm]
    @digest_creds = options[:digest]
    @challenge_retries = 0

    # Don't hold references to vars we don't require anymore
    self.finally {
        @host = @port = nil
        @cookiejar = nil
        @middleware = nil
    }
    @error = proc { |reason| reject(reason) }
end

Instance Attribute Details

#method ⇒ Object (readonly)

Returns the value of attribute method.



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# File 'lib/uv-rays/http/request.rb', line 20

def method
  @method
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/uv-rays/http/request.rb', line 20

def options
  @options
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/uv-rays/http/request.rb', line 20

def path
  @path
end

Instance Method Details

#cookies_hash ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 23

def cookies_hash
    @cookiejar.get_hash(@uri)
end

#execute(transport) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 105

def execute(transport)
    # configure ntlm request headers
    if @options[:ntlm]
        @options[:headers] ||= {}
        @options[:headers][:Authorization] ||= ntlm_auth_header
    end

    head, body = build_request, @options[:body]
    @transport = transport

    @middleware.each do |m|
        begin
            head, body = m.request(self, head, body) if m.respond_to?(:request)
        rescue => e
            reject e
            return
        end
    end

    body = body.is_a?(Hash) ? form_encode_body(body) : body
    file = @options[:file]
    query = @options[:query]

    # Set the Content-Length if file is given
    head['content-length'] = File.size(file) if file

    # Set the Content-Length if body is given,
    # or we're doing an empty post or put
    if body
        head['content-length'] = body.bytesize
    elsif method == :post or method == :put
        # wont happen if body is set and we already set content-length above
        head['content-length'] ||= 0
    end

    # Set content-type header if missing and body is a Ruby hash
    if !head['content-type'] and @options[:body].is_a? Hash
        head['content-type'] = 'application/x-www-form-urlencoded'
    end

    request_header = encode_request(method, @path, query)
    if @http_proxy && (@http_proxy[:username] || @http_proxy[:password])
        request_header << encode_auth('Proxy-Authorization', [@http_proxy[:username], @http_proxy[:password]])
    end
    request_header << encode_headers(head)
    request_header << CRLF

    if body
        request_header << body
        transport.write(request_header).catch &@error
    elsif file
        transport.write(request_header).catch &@error

        # Send file
        fileRef = @reactor.file file, File::RDONLY do
            # File is open and available for reading
            pSend = fileRef.send_file(transport, using: :raw, wait: :promise)
            pSend.catch &@error
            pSend.finally do
                fileRef.close
            end
        end
        fileRef.catch &@error
    else
        transport.write(request_header).catch &@error
    end
end

#notify(*args) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 173

def notify(*args)
    @defer.notify(*args)
end

#on_headers(&callback) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 181

def on_headers(&callback)
    @headers_callback = callback
end

#reject(reason) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 101

def reject(reason)
    @defer.reject(reason)
end

#resolve(response, parser = nil) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 70

def resolve(response, parser = nil)
    if response.status == 401 && @challenge_retries == 0 && response[:"WWW-Authenticate"]
        challenge = Array(response[:"WWW-Authenticate"]).reject { |auth| auth.downcase == 'negotiate' }[0]

        begin
            if @ntlm_creds && challenge[0..3] == 'NTLM'
                @options[:headers] ||= {}
                @options[:headers][:Authorization] = ntlm_auth_header(challenge)
                @challenge_retries += 1

                execute(@transport)
                return false
            elsif @digest_creds && challenge[0..5] == 'Digest'
                @options[:headers] ||= {}
                @options[:headers][:Authorization] = digest_auth_header(challenge)
                @challenge_retries += 1

                execute(@transport)
                return false
            end
        rescue => e
            reject e
            true
        end
    end

    @transport = nil
    @defer.resolve(response)
    true
end

#set_cookie(value) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 27

def set_cookie(value)
    @cookiejar.set(@uri, value)
end

#set_headers(head) ⇒ Object 



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# File 'lib/uv-rays/http/request.rb', line 177

def set_headers(head)
    @headers_callback.call(head) if @headers_callback
end

#streaming? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uv-rays/http/request.rb', line 185

def streaming?
    @options[:streaming]
end