Class: HTTP::Client

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Chainable
Defined in:
lib/http/client.rb

Overview

Clients make requests and receive responses

Constant Summary collapse

HTTP_OR_HTTPS_RE = 
%r{^https?://}i

Instance Method Summary collapse

Methods included from Chainable

#accept, #auth, #basic_auth, #connect, #cookies, #default_options, #default_options=, #delete, #encoding, #follow, #get, #head, #headers, #nodelay, #options, #patch, #persistent, #post, #put, #timeout, #trace, #use, #via

Constructor Details

#initialize(default_options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/http/client.rb', line 21

def initialize(default_options = {})
  @default_options = HTTP::Options.new(default_options)
  @connection = nil
  @state = :clean
end

Instance Method Details

#build_request(verb, uri, opts = {}) ⇒ Object

Prepare an HTTP request



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# File 'lib/http/client.rb', line 40

def build_request(verb, uri, opts = {}) # rubocop:disable Style/OptionHash
  opts    = @default_options.merge(opts)
  uri     = make_request_uri(uri, opts)
  headers = make_request_headers(opts)
  body    = make_request_body(opts, headers)
  proxy   = opts.proxy

  req = HTTP::Request.new(
    :verb         => verb,
    :uri          => uri,
    :headers      => headers,
    :proxy        => proxy,
    :body         => body
  )

  opts.features.inject(req) do |request, (_name, feature)|
    feature.wrap_request(request)
  end
end

#close ⇒ Object 



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# File 'lib/http/client.rb', line 101

def close
  @connection.close if @connection
  @connection = nil
  @state = :clean
end

#perform(req, options) ⇒ Object

Perform a single (no follow) HTTP request



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# File 'lib/http/client.rb', line 66

def perform(req, options)
  verify_connection!(req.uri)

  @state = :dirty

  @connection ||= HTTP::Connection.new(req, options)

  unless @connection.failed_proxy_connect?
    @connection.send_request(req)
    @connection.read_headers!
  end

  res = Response.new(
    :status        => @connection.status_code,
    :version       => @connection.http_version,
    :headers       => @connection.headers,
    :proxy_headers => @connection.proxy_response_headers,
    :connection    => @connection,
    :encoding      => options.encoding,
    :uri           => req.uri
  )

  res = options.features.inject(res) do |response, (_name, feature)|
    feature.wrap_response(response)
  end

  @connection.finish_response if req.verb == :head
  @state = :clean

  res
rescue
  close
  raise
end

#persistent? ⇒ Boolean

Returns whenever client is persistent.

Returns:

  • (Boolean) —

    whenever client is persistent

See Also:



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# File 'lib/http/client.rb', line 63

def_delegator :default_options, :persistent?

#request(verb, uri, opts = {}) ⇒ Object

Make an HTTP request



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# File 'lib/http/client.rb', line 28

def request(verb, uri, opts = {}) # rubocop:disable Style/OptionHash
  opts = @default_options.merge(opts)
  req = build_request(verb, uri, opts)
  res = perform(req, opts)
  return res unless opts.follow

  Redirector.new(opts.follow).perform(req, res) do |request|
    perform(request, opts)
  end
end