OWIN

Open Web Interface for .NET

About

Here is a list of historical drafts and notes from the OWIN 1.0 development process.

Specification

• v1.0.0-RC0 27 September 2012

  Added copyright and license statements.

• v0.15.0 29 August 2012

  Changed from a model where the applicaiton provides the response structures to where the the server provides them up front. Removed the body delegate and provided the response stream up front. Everything is now merged into the Environment dictionary. Removed owin.dll.

• v0.14.0 14 August 2012

  Additional startup details. General clarification and cleanup.

• v0.12.0 (Formerly Draft 8) 6 August 2012

  Adopting Semantic Versioning. Call completion changed from a CancellationToken to a Task and moved back into the Environment dictionary. Initial IAppBuilder notes.

• Draft 7 12 July 2012

  Significant updates the the delegate signatures. Moving to Streams for request and response body. Focusing on Tasks for the async model. Owin.dll published on Nuget.

• Draft 6 (Canceled) November 2011

  Goals: Adopt Semantic Versioning; define a normative method for obtaining the IP address of the connected client; move request body delegate out of the environment dictionary and pass as an argument to the application delegate; define normative encoding rules for path, path base, and query string.

• Draft 5 13 March 2011

  New styling to highlight normative sections and important notes. Environment dictionary keys renamed for consistency. Expanded and clarified rules for line-folding in request and response header dictionaries. Introduced the body delegate, replacing IEnumerable<object> as an entity body mechanism. Introduced algorithm for reconstructing the complete URI of a request. Added requirement that the Host: header must be present in the environment dictionary.

• Draft 4 13 February 2011

  Header dictionary form changed from IDictionary<string, IList<string>> to IDictionary<string, string>, line folding rules added.

• Draft 3 3 January 2011

  Uses anonymous delegates and an environment dictionary rather than concrete interfaces, obviating the need for Owin.dll.

• Draft 2 11 December 2011

  Expanded, more specific language.

• Draft 1 (no longer available) 7 December 2010

  Initial draft used concrete IApplication, IRequest, IResponse interfaces (specified in a companion Owin.dll, no longer available)