From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/webrick/httpauth/authenticator.rb | 116 +++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 jni/ruby/lib/webrick/httpauth/authenticator.rb

(limited to 'jni/ruby/lib/webrick/httpauth/authenticator.rb')

diff --git a/jni/ruby/lib/webrick/httpauth/authenticator.rb b/jni/ruby/lib/webrick/httpauth/authenticator.rb
new file mode 100644
index 0000000..f6d4ab8
--- /dev/null
+++ b/jni/ruby/lib/webrick/httpauth/authenticator.rb
@@ -0,0 +1,116 @@
+#--
+# httpauth/authenticator.rb -- Authenticator mix-in module.
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2003 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: authenticator.rb,v 1.3 2003/02/20 07:15:47 gotoyuzo Exp $
+
+module WEBrick
+  module HTTPAuth
+
+    ##
+    # Module providing generic support for both Digest and Basic
+    # authentication schemes.
+
+    module Authenticator
+
+      RequestField      = "Authorization" # :nodoc:
+      ResponseField     = "WWW-Authenticate" # :nodoc:
+      ResponseInfoField = "Authentication-Info" # :nodoc:
+      AuthException     = HTTPStatus::Unauthorized # :nodoc:
+
+      ##
+      # Method of authentication, must be overridden by the including class
+
+      AuthScheme        = nil
+
+      ##
+      # The realm this authenticator covers
+
+      attr_reader :realm
+
+      ##
+      # The user database for this authenticator
+
+      attr_reader :userdb
+
+      ##
+      # The logger for this authenticator
+
+      attr_reader :logger
+
+      private
+
+      # :stopdoc:
+
+      ##
+      # Initializes the authenticator from +config+
+
+      def check_init(config)
+        [:UserDB, :Realm].each{|sym|
+          unless config[sym]
+            raise ArgumentError, "Argument #{sym.inspect} missing."
+          end
+        }
+        @realm     = config[:Realm]
+        @userdb    = config[:UserDB]
+        @logger    = config[:Logger] || Log::new($stderr)
+        @reload_db = config[:AutoReloadUserDB]
+        @request_field   = self::class::RequestField
+        @response_field  = self::class::ResponseField
+        @resp_info_field = self::class::ResponseInfoField
+        @auth_exception  = self::class::AuthException
+        @auth_scheme     = self::class::AuthScheme
+      end
+
+      ##
+      # Ensures +req+ has credentials that can be authenticated.
+
+      def check_scheme(req)
+        unless credentials = req[@request_field]
+          error("no credentials in the request.")
+          return nil
+        end
+        unless match = /^#{@auth_scheme}\s+/i.match(credentials)
+          error("invalid scheme in %s.", credentials)
+          info("%s: %s", @request_field, credentials) if $DEBUG
+          return nil
+        end
+        return match.post_match
+      end
+
+      def log(meth, fmt, *args)
+        msg = format("%s %s: ", @auth_scheme, @realm)
+        msg << fmt % args
+        @logger.send(meth, msg)
+      end
+
+      def error(fmt, *args)
+        if @logger.error?
+          log(:error, fmt, *args)
+        end
+      end
+
+      def info(fmt, *args)
+        if @logger.info?
+          log(:info, fmt, *args)
+        end
+      end
+
+      # :startdoc:
+    end
+
+    ##
+    # Module providing generic support for both Digest and Basic
+    # authentication schemes for proxies.
+
+    module ProxyAuthenticator
+      RequestField  = "Proxy-Authorization" # :nodoc:
+      ResponseField = "Proxy-Authenticate" # :nodoc:
+      InfoField     = "Proxy-Authentication-Info" # :nodoc:
+      AuthException = HTTPStatus::ProxyAuthenticationRequired # :nodoc:
+    end
+  end
+end
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