Play2.0 Facebook Login

gistfile1.scala

object Application extends Controller {
	val FBAppId = "AppIdGoesHere"
			val FBAppSecret = "FBAppSecretGoesHere"

		def fbLogin = Action {Redirect("https://www.facebook.com/dialog/oauth?scope=user_birthday,email,user_about_me,user_location,offline_access,publish_stream,user_education_history,user_checkins" +
			"&client_id="+FBAppId+"&redirect_uri="+URLEncoder.encode("http://domainname.com/fbLogin/code","UTF-8"))}

	def fbLoginCode(code:String) = Action{response =>

	val ws = WS.url("https://graph.facebook.com/oauth/access_token?client_id="+FBAppId+"&redirect_uri" +
			"="+URLEncoder.encode("http://domainname.com/fbLogin/code","UTF-8")+"&client_secret="+FBAppSecret+"&code="+code).get().value
			val accessToken = (ws.get.body.split("="))
			try{
				val facebookClient = new DefaultFacebookClient(accessToken(1));
				val user = facebookClient.fetchObject("me", classOf[com.restfb.types.User]);
				val email = models.User.find("email", user.getEmail())
						email match {
						case Some(email) =>{
							Redirect("/").withSession("email" -> email.email)
						}
						case None => {
							val newUser = new models.User
									try{
										newUser.email = user.getEmail()
												newUser.name = user.getFirstName() + " " + user.getLastName()
												newUser.location = user.getLocation().getName()
												newUser.dateOfBirth = user.getBirthdayAsDate()
												newUser.facebookId = user.getId()
												newUser.gender = user.getGender()

												models.User.save(newUser)
									}catch{
									case (e) => println(e.printStackTrace())
									}
							Redirect("/").withSession("email" -> newUser.email)
						}
				}

			}catch {
			case (e) => Redirect(routes.Application.index).flashing(
					"error" -> "An error occurred whilst trying to authenticate using Facebook please try again"
					)
			}


	}

I'm glad it was of some use, it was designed for a site which has offline access and thus didn't have an expires.

…

Sent from my Galaxy Nexus

On Apr 24, 2012 2:48 AM, "David Bochenski" < ***@***.***> wrote: Great gist - just what I was looking for. Had to make one change, on line 14 needed to split the accessToken again as on & as facebook returned &expires=[number] in addition to the accessToken. Thanks! --- Reply to this email directly or view it on GitHub: https://gist.github.com/1524914

That makes sense - just thought I'd mention it incase someone else stumbles at that hurdle.