simpler.rb

require 'faraday'

class CertificatePinning < Faraday::Adapter::NetHttp
  def configure_ssl(http, ssl)
    super # configure MOAR SSL }
  end
end

client = Faraday.new(:url => 'https://github.com') do |f|
  f.request  :url_encoded
  f.response :logger
  f.adapter CertificatePinning
end

client.get '/'

Faraday::Error: CertificatePinning is not registered on Faraday::Adapter

method lookup_middleware in faraday.rb at line 189
method use_symbol in rack_builder.rb at line 203
method adapter in rack_builder.rb at line 100
method block in

in faraday_why.rb at line 12
method initialize in connection.rb at line 91
method new in faraday.rb at line 70
method new in faraday.rb at line 70
method in faraday_why.rb at line 9