add discord auth

models/oauth2.go

@@ -43,6 +43,7 @@ var OAuth2Providers = map[string]OAuth2Provider{
 	"gplus":         {Name: "gplus", DisplayName: "Google+", Image: "/img/auth/google_plus.png"},
 	"openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/img/auth/openid_connect.png"},
 	"twitter":       {Name: "twitter", DisplayName: "Twitter", Image: "/img/auth/twitter.png"},
+	"discord":  {Name: "discord", DisplayName: "Discord", Image: "/img/auth/discord.png"},
 }
 
 // OAuth2DefaultCustomURLMappings contains the map of default URL's for OAuth2 providers that are allowed to have custom urls

modules/auth/oauth2/oauth2.go

@@ -23,6 +23,7 @@ import (
 	"github.com/markbates/goth/providers/gplus"
 	"github.com/markbates/goth/providers/openidConnect"
 	"github.com/markbates/goth/providers/twitter"
+	"github.com/markbates/goth/providers/discord"
 	"github.com/satori/go.uuid"
 )
 
@@ -172,6 +173,8 @@ func createProvider(providerName, providerType, clientID, clientSecret, openIDCo
 		}
 	case "twitter":
 		provider = twitter.NewAuthenticate(clientID, clientSecret, callbackURL)
+	case "discord":
+		provider = discord.New(clientID, clientSecret, callbackURL, discord.ScopeIdentify, discord.ScopeEmail),
 	}
 
 	// always set the name if provider is created so we can support multiple setups of 1 provider

options/locale/locale_en-US.ini

@@ -1458,6 +1458,7 @@ auths.tip.gitlab = Register a new application on https://gitlab.com/profile/appl
 auths.tip.google_plus = Obtain OAuth2 client credentials from the Google API console at https://console.developers.google.com/
 auths.tip.openid_connect = Use the OpenID Connect Discovery URL (<server>/.well-known/openid-configuration) to specify the endpoints
 auths.tip.twitter = Go to https://dev.twitter.com/apps, create an application and ensure that the “Allow this application to be used to Sign in with Twitter” option is enabled
+auths.tip.discord = Register a new application on https://discordapp.com/developers/applications/me
 auths.edit = Edit Authentication Source
 auths.activated = This Authentication Source is Activated
 auths.new_success = The authentication '%s' has been added.

templates/admin/auth/new.tmpl

@@ -108,6 +108,8 @@
 				<span>{{.i18n.Tr "admin.auths.tip.openid_connect"}}</span>
 				<li>Twitter</li>
 				<span>{{.i18n.Tr "admin.auths.tip.twitter"}}</span>
+				<li>Discord</li>
+				<span>{{.i18n.Tr "admin.auths.tip.discord"}}</span>
 			</div>
 		</div>
 	</div>