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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/yohcop/openid-go
[](https://travis-ci.org/yohcop/openid-go)
## 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](https://cloud.google.com/appengine/docs/go/urlfetch/).
```go
oid := openid.NewOpenID(urlfetch.Client(appengine.NewContext(r)))
oid.RedirectURL(...)
oid.Verify(...)
```
## License
Distributed under the [Apache v2.0 license](http://www.apache.org/licenses/LICENSE-2.0.html).
## 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](https://github.com/Gacnt/myopenid) "A Yohcop-Openid Nonce/Discovery storage replacement", using MySQL.
- [Gacnt/sqlxid](https://github.com/Gacnt/sqlxid) "An SQLX Adapter for Nonce / Discovery Cache store"
- [Gacnt/gormid](https://github.com/Gacnt/gormid) "Use GORM (Go Object Relational Mapping) to store OpenID DiscoveryCache / Nonce in a database"
- [hectorj/mysqlOpenID](https://github.com/hectorj/mysqlOpenID) "MySQL OpenID is a package to replace the in memory storage of discoveryCache and nonceStore."
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