Module: Excon

Defined in:
lib/excon.rb,
lib/excon.rb,
lib/excon/errors.rb,
lib/excon/socket.rb,
lib/excon/response.rb,
lib/excon/constants.rb,
lib/excon/connection.rb,
lib/excon/ssl_socket.rb,
lib/excon/middlewares/base.rb,
lib/excon/middlewares/mock.rb,
lib/excon/middlewares/expects.rb,
lib/excon/standard_instrumentor.rb,
lib/excon/middlewares/idempotent.rb,
lib/excon/middlewares/instrumentor.rb

Overview

Define defaults first so they will be available to other files

Defined Under Namespace

Modules: Errors, Middleware Classes: Connection, Response, SSLSocket, Socket, StandardInstrumentor

Constant Summary collapse

CR_NL =
"\r\n"
DEFAULT_CA_FILE =
File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "data", "cacert.pem"))
DEFAULT_CHUNK_SIZE =

1 megabyte

1048576
CHUNK_SIZE =
DEFAULT_CHUNK_SIZE
DEFAULT_NONBLOCK =
OpenSSL::SSL::SSLSocket.public_method_defined?(:connect_nonblock) &&
OpenSSL::SSL::SSLSocket.public_method_defined?(:read_nonblock) &&
OpenSSL::SSL::SSLSocket.public_method_defined?(:write_nonblock)
DEFAULT_RETRY_LIMIT =
4
FORCE_ENC =
CR_NL.respond_to?(:force_encoding)
HTTP_1_1 =
" HTTP/1.1\r\n"
HTTP_VERBS =
%w{connect delete get head options post put trace patch}
HTTPS =
'https'
NO_ENTITY =
[204, 205, 304].freeze
REDACTED =
'REDACTED'
VALID_CONNECTION_KEYS =
[
  :body,
  :captures,
  :chunk_size,
  :connect_timeout,
  :connection,
  :error,
  :exception,
  :expects,
  :family,
  :headers,
  :host,
  :idempotent,
  :instrumentor,
  :instrumentor_name,
  :method,
  :middlewares,
  :mock,
  :nonblock,
  :password,
  :path,
  :pipeline,
  :port,
  :proxy,
  :query,
  :read_timeout,
  :request_block,
  :response,
  :response_block,
  :retries_remaining,
  :retry_limit,
  :scheme,
  :uri_parser,
  :user,
  :ssl_ca_file,
  :ssl_verify_peer,
  :stack,
  :write_timeout
]
VERSION =
'0.19.0'

Class Method Summary collapse

Class Method Details

.defaultsHash

Returns defaults for Excon connections.

Returns:

  • (Hash)

    defaults for Excon connections



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# File 'lib/excon.rb', line 17

def defaults
  @defaults ||= {
    :chunk_size         => CHUNK_SIZE || DEFAULT_CHUNK_SIZE,
    :connect_timeout    => 60,
    :headers            => {},
    :idempotent         => false,
    :instrumentor_name  => 'excon',
    :middlewares        => [
      Excon::Middleware::Expects,
      Excon::Middleware::Idempotent,
      Excon::Middleware::Instrumentor,
      Excon::Middleware::Mock
    ],
    :mock               => false,
    :nonblock           => DEFAULT_NONBLOCK,
    :read_timeout       => 60,
    :retry_limit        => DEFAULT_RETRY_LIMIT,
    :ssl_ca_file        => DEFAULT_CA_FILE,
    :ssl_verify_peer    => RbConfig::CONFIG['host_os'] !~ /mswin|win32|dos|cygwin|mingw/i,
    :uri_parser         => URI,
    :write_timeout      => 60
  }
end

.defaults=(new_defaults) ⇒ Hash

Change defaults for Excon connections

Returns:

  • (Hash)

    defaults for Excon connections



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# File 'lib/excon.rb', line 43

def defaults=(new_defaults)
  @defaults = new_defaults
end

.mockObject

Status of mocking



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# File 'lib/excon.rb', line 67

def mock
  $stderr.puts("Excon#mock is deprecated, pass Excon.defaults[:mock] instead (#{caller.first})")
  self.defaults[:mock]
end

.mock=(new_mock) ⇒ Object

Change the status of mocking false is the default and works as expected true returns a value from stubs or raises



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# File 'lib/excon.rb', line 75

def mock=(new_mock)
  $stderr.puts("Excon#mock is deprecated, pass Excon.defaults[:mock]= instead (#{caller.first})")
  self.defaults[:mock] = new_mock
end

.new(url, params = {}) ⇒ Object

Initializes a new keep-alive session for a given remote host

@param [String] url The destination URL
@param [Hash<Symbol, >] params One or more option params to set on the Connection instance
@return [Connection] A new Excon::Connection instance


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# File 'lib/excon.rb', line 111

def new(url, params = {})
  uri_parser = params[:uri_parser] || Excon.defaults[:uri_parser]
  uri = uri_parser.parse(url)
  params.merge!({
    :host       => uri.host,
    :path       => uri.path,
    :port       => uri.port.to_s,
    :query      => uri.query,
    :scheme     => uri.scheme,
    :user       => (URI.decode(uri.user) if uri.user),
    :password   => (URI.decode(uri.password) if uri.password),
  })
  Excon::Connection.new(params)
end

.ssl_ca_pathString

Returns The filesystem path to the SSL Certificate Authority.

Returns:

  • (String)

    The filesystem path to the SSL Certificate Authority



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# File 'lib/excon.rb', line 81

def ssl_ca_path
  $stderr.puts("Excon#ssl_ca_path is deprecated, use Excon.defaults[:ssl_ca_path] instead (#{caller.first})")
  self.defaults[:ssl_ca_path]
end

.ssl_ca_path=(new_ssl_ca_path) ⇒ String

Change path to the SSL Certificate Authority

Returns:

  • (String)

    The filesystem path to the SSL Certificate Authority



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# File 'lib/excon.rb', line 88

def ssl_ca_path=(new_ssl_ca_path)
  $stderr.puts("Excon#ssl_ca_path= is deprecated, use Excon.defaults[:ssl_ca_path]= instead (#{caller.first})")
  self.defaults[:ssl_ca_path] = new_ssl_ca_path
end

.ssl_verify_peertrue, false

Returns Whether or not to verify the peer’s SSL certificate / chain.

Returns:

  • (true, false)

    Whether or not to verify the peer’s SSL certificate / chain



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# File 'lib/excon.rb', line 94

def ssl_verify_peer
  $stderr.puts("Excon#ssl_verify_peer= is deprecated, use Excon.defaults[:ssl_verify_peer]= instead (#{caller.first})")
  self.defaults[:ssl_verify_peer]
end

.ssl_verify_peer=(new_ssl_verify_peer) ⇒ Object

Change the status of ssl peer verification

See Also:



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# File 'lib/excon.rb', line 101

def ssl_verify_peer=(new_ssl_verify_peer)
  $stderr.puts("Excon#ssl_verify_peer is deprecated, use Excon.defaults[:ssl_verify_peer] instead (#{caller.first})")
  self.defaults[:ssl_verify_peer] = new_ssl_verify_peer
end

.stub(request_params = {}, response_params = nil) ⇒ Object

push an additional stub onto the list to check for mock requests

@param [Hash<Symbol, >] request params to match against, omitted params match all
@param [Hash<Symbol, >] response params to return from matched request or block to call with params


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# File 'lib/excon.rb', line 129

def stub(request_params = {}, response_params = nil)
  if url = request_params.delete(:url)
    uri = URI.parse(url)
    request_params.update(
      :host              => uri.host,
      :path              => uri.path,
      :port              => uri.port.to_s,
      :query             => uri.query,
      :scheme            => uri.scheme
    )
    if uri.user || uri.password
      request_params[:headers] ||= {}
      request_params[:headers]['Authorization'] ||= 'Basic ' << ['' << uri.user.to_s << ':' << uri.password.to_s].pack('m').delete(Excon::CR_NL)
    end
  end
  if block_given?
    if response_params
      raise(ArgumentError.new("stub requires either response_params OR a block"))
    else
      stub = [request_params, Proc.new]
    end
  elsif response_params
    stub = [request_params, response_params]
  else
    raise(ArgumentError.new("stub requires either response_params OR a block"))
  end
  stubs.unshift(stub)
  stub
end

.stubsObject

get a list of defined stubs



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# File 'lib/excon.rb', line 160

def stubs
  @stubs ||= []
end