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.freeze

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 = {})
  opts    = @default_options.merge(opts)
  uri     = make_request_uri(uri, opts)
  headers = make_request_headers(opts)
  body    = make_request_body(opts, headers)

  req = HTTP::Request.new(
    :verb           => verb,
    :uri            => uri,
    :uri_normalizer => opts.feature(:normalize_uri)&.normalizer,
    :proxy          => opts.proxy,
    :headers        => headers,
    :body           => body
  )

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

#closeObject


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# File 'lib/http/client.rb', line 99

def close
  @connection&.close
  @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

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

    unless @connection.failed_proxy_connect?
      @connection.send_request(req)
      @connection.read_headers!
    end
  rescue Error => e
    options.features.each_value do |feature|
      feature.on_error(req, e)
    end
    raise
  end
  res = build_response(req, options)

  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 = {})
  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