follow rack and remove support for digest auth

lib/savon/options.rb

@@ -318,6 +318,7 @@ def basic_auth(*credentials)
 
     # HTTP digest auth credentials.
     def digest_auth(*credentials)
+      deprecate
       @options[:digest_auth] = credentials.flatten
     end
 

lib/savon/request.rb

@@ -48,21 +48,13 @@ def configure_ssl
 
     def configure_auth
       basic_auth if @globals.include?(:basic_auth)
-      digest_auth if @globals.include?(:digest_auth)
       ntlm_auth if @globals.include?(:ntlm)
     end
 
     def basic_auth
       connection.request(:authorization, :basic, *@globals[:basic_auth])
     end
 
-    def digest_auth
-      require 'faraday/digestauth'
-      connection.request :digest, *@globals[:digest_auth]
-    rescue LoadError
-      raise LoadError, 'Using Digest Auth requests `faraday-digestauth`'
-    end
-
     def ntlm_auth
       begin
         require 'rubyntlm'

spec/integration/support/application.rb

@@ -63,22 +63,6 @@ def self.respond_with(options = {})
       }
     end
 
-    map "/digest_auth" do
-      unprotected_app = lambda { |env|
-        IntegrationServer.respond_with :body => "digest-auth"
-      }
-
-      realm = 'digest-realm'
-      app = Rack::Auth::Digest::MD5.new(unprotected_app) do |username|
-        username == 'admin' ? Digest::MD5.hexdigest("admin:#{realm}:secret") : nil
-      end
-      app.realm = realm
-      app.opaque = 'this-should-be-secret'
-      app.passwords_hashed = true
-
-      run app
-    end
-
     map "/multipart" do
       run lambda { |env|
         boundary = 'mimepart_boundary'