Instiki 0.17.2: Security Release

This release upgrades Instiki to Rails 2.3.4, which
patches two security holes in Rails. See

  http://weblog.rubyonrails.org/2009/9/4/ruby-on-rails-2-3-4

There are also some new features, and the usual boatload
of bugfixes. See the CHANGELOG for details.

vendor/rails/activeresource/lib/active_resource/exceptions.rb

@@ -0,0 +1,66 @@
+module ActiveResource
+  class ConnectionError < StandardError # :nodoc:
+    attr_reader :response
+
+    def initialize(response, message = nil)
+      @response = response
+      @message  = message
+    end
+
+    def to_s
+      "Failed with #{response.code} #{response.message if response.respond_to?(:message)}"
+    end
+  end
+
+  # Raised when a Timeout::Error occurs.
+  class TimeoutError < ConnectionError
+    def initialize(message)
+      @message = message
+    end
+    def to_s; @message ;end
+  end
+
+  # Raised when a OpenSSL::SSL::SSLError occurs.
+  class SSLError < ConnectionError
+    def initialize(message)
+      @message = message
+    end
+    def to_s; @message ;end
+  end
+
+  # 3xx Redirection
+  class Redirection < ConnectionError # :nodoc:
+    def to_s; response['Location'] ? "#{super} => #{response['Location']}" : super; end
+  end
+
+  # 4xx Client Error
+  class ClientError < ConnectionError; end # :nodoc:
+
+  # 400 Bad Request
+  class BadRequest < ClientError; end # :nodoc
+
+  # 401 Unauthorized
+  class UnauthorizedAccess < ClientError; end # :nodoc
+
+  # 403 Forbidden
+  class ForbiddenAccess < ClientError; end # :nodoc
+
+  # 404 Not Found
+  class ResourceNotFound < ClientError; end # :nodoc:
+
+  # 409 Conflict
+  class ResourceConflict < ClientError; end # :nodoc:
+
+  # 410 Gone
+  class ResourceGone < ClientError; end # :nodoc:
+
+  # 5xx Server Error
+  class ServerError < ConnectionError; end # :nodoc:
+
+  # 405 Method Not Allowed
+  class MethodNotAllowed < ClientError # :nodoc:
+    def allowed_methods
+      @response['Allow'].split(',').map { |verb| verb.strip.downcase.to_sym }
+    end
+  end
+end