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Willem van Dreumel 01d957677f Oauth2 consumer (#679) 
* initial stuff for oauth2 login, fails on:
* login button on the signIn page to start the OAuth2 flow and a callback for each provider
Only GitHub is implemented for now
* show login button only when the OAuth2 consumer is configured (and activated)
* create macaron group for oauth2 urls
* prevent net/http in modules (other then oauth2)
* use a new data sessions oauth2 folder for storing the oauth2 session data
* add missing 2FA when this is enabled on the user
* add password option for OAuth2 user , for use with git over http and login to the GUI
* add tip for registering a GitHub OAuth application
* at startup of Gitea register all configured providers and also on adding/deleting of new providers
* custom handling of errors in oauth2 request init + show better tip
* add ExternalLoginUser model and migration script to add it to database
* link a external account to an existing account (still need to handle wrong login and signup) and remove if user is removed
* remove the linked external account from the user his settings
* if user is unknown we allow him to register a new account or link it to some existing account
* sign up with button on signin page (als change OAuth2Provider structure so we can store basic stuff about providers)

* from gorilla/sessions docs:
"Important Note: If you aren't using gorilla/mux, you need to wrap your handlers with context.ClearHandler as or else you will leak memory!"
(we're using gorilla/sessions for storing oauth2 sessions)

* use updated goth lib that now supports getting the OAuth2 user if the AccessToken is still valid instead of re-authenticating (prevent flooding the OAuth2 provider)
 		2017-02-22 08:14:37 +01:00
..
LICENSE Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00
README.md Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00
doc.go Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00
lex.go Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00
sessions.go Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00
store.go Oauth2 consumer (#679) 2017-02-22 08:14:37 +01:00

README.md

sessions

GoDoc Build Status

gorilla/sessions provides cookie and filesystem sessions and infrastructure for custom session backends.

The key features are:

  • Simple API: use it as an easy way to set signed (and optionally encrypted) cookies.
  • Built-in backends to store sessions in cookies or the filesystem.
  • Flash messages: session values that last until read.
  • Convenient way to switch session persistency (aka "remember me") and set other attributes.
  • Mechanism to rotate authentication and encryption keys.
  • Multiple sessions per request, even using different backends.
  • Interfaces and infrastructure for custom session backends: sessions from different stores can be retrieved and batch-saved using a common API.

Let's start with an example that shows the sessions API in a nutshell:

	import (
		"net/http"
		"github.com/gorilla/sessions"
	)

	var store = sessions.NewCookieStore([]byte("something-very-secret"))

	func MyHandler(w http.ResponseWriter, r *http.Request) {
		// Get a session. We're ignoring the error resulted from decoding an
		// existing session: Get() always returns a session, even if empty.
		session, _ := store.Get(r, "session-name")
		// Set some session values.
		session.Values["foo"] = "bar"
		session.Values[42] = 43
		// Save it before we write to the response/return from the handler.
		session.Save(r, w)
	}

First we initialize a session store calling NewCookieStore() and passing a secret key used to authenticate the session. Inside the handler, we call store.Get() to retrieve an existing session or a new one. Then we set some session values in session.Values, which is a map[interface{}]interface{}. And finally we call session.Save() to save the session in the response.

Important Note: If you aren't using gorilla/mux, you need to wrap your handlers with context.ClearHandler as or else you will leak memory! An easy way to do this is to wrap the top-level mux when calling http.ListenAndServe:

More examples are available on the Gorilla website.

Store Implementations

Other implementations of the sessions.Store interface:

License

BSD licensed. See the LICENSE file for details.