Add support for more login providers

auth/providers.go

@@ -4,7 +4,13 @@ import (
 	"fmt"
 	"github.com/KowalskiPiotr98/ludivault/utils"
 	"github.com/markbates/goth"
+	"github.com/markbates/goth/providers/discord"
 	"github.com/markbates/goth/providers/gitea"
+	"github.com/markbates/goth/providers/github"
+	"github.com/markbates/goth/providers/google"
+	"github.com/markbates/goth/providers/openidConnect"
+	"github.com/markbates/goth/providers/steam"
+	"github.com/markbates/goth/providers/twitch"
 	log "github.com/sirupsen/logrus"
 	"strings"
 )
@@ -25,6 +31,72 @@ var (
 
 			return true, gitea.NewCustomisedURL(clientId, clientSecret, callbackUrl, fmt.Sprintf("%s/login/oauth/authorize", url), fmt.Sprintf("%s/login/oauth/access_token", url), fmt.Sprintf("%s/api/v1/user", url))
 		},
+		"twitch": func(callbackUrl string) (bool, goth.Provider) {
+			clientId := utils.GetOptionalConfig("SSO_TWITCH_CLIENT_ID", "")
+			clientSecret := utils.GetOptionalConfig("SSO_TWITCH_CLIENT_SECRET", "")
+
+			if clientId == "" || clientSecret == "" {
+				return false, nil
+			}
+
+			return true, twitch.New(clientId, clientSecret, callbackUrl)
+		},
+		"github": func(callbackUrl string) (bool, goth.Provider) {
+			clientId := utils.GetOptionalConfig("SSO_GITHUB_CLIENT_ID", "")
+			clientSecret := utils.GetOptionalConfig("SSO_GITHUB_CLIENT_SECRET", "")
+
+			if clientId == "" || clientSecret == "" {
+				return false, nil
+			}
+
+			return true, github.New(clientId, clientSecret, callbackUrl)
+		},
+		"discord": func(callbackUrl string) (bool, goth.Provider) {
+			clientId := utils.GetOptionalConfig("SSO_DISCORD_CLIENT_ID", "")
+			clientSecret := utils.GetOptionalConfig("SSO_DISCORD_CLIENT_SECRET", "")
+
+			if clientId == "" || clientSecret == "" {
+				return false, nil
+			}
+
+			return true, discord.New(clientId, clientSecret, callbackUrl)
+		},
+		"google": func(callbackUrl string) (bool, goth.Provider) {
+			clientId := utils.GetOptionalConfig("SSO_GOOGLE_CLIENT_ID", "")
+			clientSecret := utils.GetOptionalConfig("SSO_GOOGLE_CLIENT_SECRET", "")
+
+			if clientId == "" || clientSecret == "" {
+				return false, nil
+			}
+
+			return true, google.New(clientId, clientSecret, callbackUrl)
+		},
+		"steam": func(callbackUrl string) (bool, goth.Provider) {
+			clientSecret := utils.GetOptionalConfig("SSO_STEAM_CLIENT_SECRET", "")
+
+			if clientSecret == "" {
+				return false, nil
+			}
+
+			return true, steam.New(clientSecret, callbackUrl)
+		},
+		"oidc": func(callbackUrl string) (bool, goth.Provider) {
+			clientId := utils.GetOptionalConfig("SSO_OIDC_CLIENT_ID", "")
+			clientSecret := utils.GetOptionalConfig("SSO_OIDC_CLIENT_SECRET", "")
+			discoveryUrl := utils.GetOptionalConfig("SSO_OIDC_DISCOVERY_URL", "")
+
+			if clientId == "" || clientSecret == "" || discoveryUrl == "" {
+				return false, nil
+			}
+
+			provider, err := openidConnect.New(clientId, clientSecret, discoveryUrl, callbackUrl)
+			if err != nil {
+				log.Warnf("Failed to initialize OpenID Connect provider: %v", err)
+				return false, nil
+			}
+
+			return true, provider
+		},
 	}
 )