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openid.go

This is a consumer (Relying party) implementation of OpenId 2.0, written in Go.

go get -u github.com/Schrodinger-Box/openid-go

This fork adds support of sreg (OpenID Simple Registration Extension), based on its version 1.0 specification.

Build Status

Github

Be awesome! Feel free to clone and use according to the licence. If you make a useful change that can benefit others, send a pull request! This ensures that one version has all the good stuff and doesn't fall behind.

Code example

See _example/ for a simple webserver using the openID implementation. Also, read the comment about the NonceStore towards the top of that file. The example must be run for the openid-go directory, like so:

go run _example/server.go

App Engine

In order to use this on Google App Engine, you need to create an instance with a custom *http.Client provided by urlfetch.

oid := openid.NewOpenID(urlfetch.Client(appengine.NewContext(r)))
oid.RedirectURL(...)
oid.Verify(...)

License

Distributed under the Apache v2.0 license.

Libraries

Here is a set of libraries I found on GitHub that could make using this library easier depending on your backends. I haven't tested them, this list is for reference only, and in no particular order:

  • Gacnt/myopenid "A Yohcop-Openid Nonce/Discovery storage replacement", using MySQL.
  • Gacnt/sqlxid "An SQLX Adapter for Nonce / Discovery Cache store"
  • Gacnt/gormid "Use GORM (Go Object Relational Mapping) to store OpenID DiscoveryCache / Nonce in a database"
  • hectorj/mysqlOpenID "MySQL OpenID is a package to replace the in memory storage of discoveryCache and nonceStore."

Sample Response

openid.ns=http://specs.openid.net/auth/2.0& openid.assoc_handle=5ec79ff8861e3& openid.return_to=http://localhost:8080/callback/openid& openid.claimed_id=https://openid.nus.edu.sg/e0424725& openid.identity=https://openid.nus.edu.sg/e0424725& openid.op_endpoint=https://openid.nus.edu.sg/server/& openid.response_nonce=2020-05-22T09:48:40Z5ec79ff88fc20& openid.mode=id_res& openid.signed=ns,assoc_handle,return_to,claimed_id,identity,op_endpoint,response_nonce,mode,signed& openid.sig=Ku1P+jO9+dKKFiSLgWpB4vUXcyycel+lQRKZMmG9cfw=