1 files changed, 0 insertions, 78 deletions
diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index 155fc66650..07034654a2 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -696,84 +696,6 @@ module OpenURI
 end
 
 module URI
-  class Generic
-    # returns a proxy URI.
-    # The proxy URI is obtained from environment variables such as http_proxy,
-    # ftp_proxy, no_proxy, etc.
-    # If there is no proper proxy, nil is returned.
-    #
-    # Note that capitalized variables (HTTP_PROXY, FTP_PROXY, NO_PROXY, etc.)
-    # are examined too.
-    #
-    # But http_proxy and HTTP_PROXY is treated specially under CGI environment.
-    # It's because HTTP_PROXY may be set by Proxy: header.
-    # So HTTP_PROXY is not used.
-    # http_proxy is not used too if the variable is case insensitive.
-    # CGI_HTTP_PROXY can be used instead.
-    def find_proxy
-      name = self.scheme.downcase + '_proxy'
-      proxy_uri = nil
-      if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI?
-        # HTTP_PROXY conflicts with *_proxy for proxy settings and
-        # HTTP_* for header information in CGI.
-        # So it should be careful to use it.
-        pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
-        case pairs.length
-        when 0 # no proxy setting anyway.
-          proxy_uri = nil
-        when 1
-          k, _ = pairs.shift
-          if k == 'http_proxy' && ENV[k.upcase] == nil
-            # http_proxy is safe to use because ENV is case sensitive.
-            proxy_uri = ENV[name]
-          else
-            proxy_uri = nil
-          end
-        else # http_proxy is safe to use because ENV is case sensitive.
-          proxy_uri = ENV.to_hash[name]
-        end
-        if !proxy_uri
-          # Use CGI_HTTP_PROXY.  cf. libwww-perl.
-          proxy_uri = ENV["CGI_#{name.upcase}"]
-        end
-      elsif name == 'http_proxy'
-        unless proxy_uri = ENV[name]
-          if proxy_uri = ENV[name.upcase]
-            warn 'The environment variable HTTP_PROXY is discouraged.  Use http_proxy.'
-          end
-        end
-      else
-        proxy_uri = ENV[name] || ENV[name.upcase]
-      end
-
-      if proxy_uri && self.hostname
-        require 'socket'
-        begin
-          addr = IPSocket.getaddress(self.hostname)
-          proxy_uri = nil if /\A127\.|\A::1\z/ =~ addr
-        rescue SocketError
-        end
-      end
-
-      if proxy_uri
-        proxy_uri = URI.parse(proxy_uri)
-        name = 'no_proxy'
-        if no_proxy = ENV[name] || ENV[name.upcase]
-          no_proxy.scan(/([^:,]*)(?::(\d+))?/) {|host, port|
-            if /(\A|\.)#{Regexp.quote host}\z/i =~ self.host &&
-               (!port || self.port == port.to_i)
-              proxy_uri = nil
-              break
-            end
-          }
-        end
-        proxy_uri
-      else
-        nil
-      end
-    end
-  end
-
   class HTTP
     def buffer_open(buf, proxy, options) # :nodoc:
       OpenURI.open_http(buf, self, proxy, options)