feat: add support for magic link login (#65)

* feat: add support for magic link login

* update readme

Author: lakhansamani

README.md

@@ -30,14 +30,14 @@
 - ✅ Forgot password flow using email
 - ✅ Social logins (Google, Github, Facebook, more coming soon)
 - ✅ Role-based access management
+- ✅ Password-less login with email and magic link
 
 ## Project Status
 
 ⚠️ **Authorizer is still an early beta! missing features and bugs are to be expected!** If you can stomach it, then bring authentication and authorization to your site today!
 
 ## Roadmap
 
-- Password-less login with email and magic link
 - Support more JWT encryption algorithms (Currently supporting HS256)
 - 2 Factor authentication
 - Back office (Admin dashboard to manage user)

server/constants/constants.go

@@ -21,6 +21,7 @@ var (
 	RESET_PASSWORD_URL           = ""
 	DISABLE_EMAIL_VERIFICATION   = "false"
 	DISABLE_BASIC_AUTHENTICATION = "false"
+	DISABLE_MAGIC_LOGIN          = "false"
 
 	// ROLES
 	ROLES           = []string{}

server/env.go

@@ -64,6 +64,7 @@ func InitEnv() {
 	constants.RESET_PASSWORD_URL = strings.TrimPrefix(os.Getenv("RESET_PASSWORD_URL"), "/")
 	constants.DISABLE_BASIC_AUTHENTICATION = os.Getenv("DISABLE_BASIC_AUTHENTICATION")
 	constants.DISABLE_EMAIL_VERIFICATION = os.Getenv("DISABLE_EMAIL_VERIFICATION")
+	constants.DISABLE_MAGIC_LOGIN = os.Getenv("DISABLE_MAGIC_LOGIN")
 	constants.JWT_ROLE_CLAIM = os.Getenv("JWT_ROLE_CLAIM")
 
 	if constants.ADMIN_SECRET == "" {
@@ -126,6 +127,10 @@ func InitEnv() {
 		constants.DISABLE_BASIC_AUTHENTICATION = "false"
 	}
 
+	if constants.DISABLE_MAGIC_LOGIN == "" {
+		constants.DISABLE_MAGIC_LOGIN = "false"
+	}
+
 	if constants.DISABLE_EMAIL_VERIFICATION == "" && constants.DISABLE_BASIC_AUTHENTICATION == "false" {
 		if constants.SMTP_HOST == "" || constants.SENDER_EMAIL == "" || constants.SENDER_PASSWORD == "" {
 			constants.DISABLE_EMAIL_VERIFICATION = "true"

server/graph/generated/generated.go

@@ -13,6 +13,7 @@ type Meta {
 	isGithubLoginEnabled: Boolean!
 	isEmailVerificationEnabled: Boolean!
 	isBasicAuthenticationEnabled: Boolean!
+	isMagicLoginEnabled: Boolean!
 }
 
 type User {
@@ -112,9 +113,15 @@ input DeleteUserInput {
 	email: String!
 }
 
+input MagicLoginInput {
+	email: String!
+	roles: [String!]
+}
+
 type Mutation {
 	signup(params: SignUpInput!): AuthResponse!
 	login(params: LoginInput!): AuthResponse!
+	magicLogin(params: MagicLoginInput!): Response!
 	logout: Response!
 	updateProfile(params: UpdateProfileInput!): Response!
 	adminUpdateUser(params: AdminUpdateUserInput!): User!

server/graph/model/models_gen.go

@@ -19,6 +19,10 @@ func (r *mutationResolver) Login(ctx context.Context, params model.LoginInput) (
 	return resolvers.Login(ctx, params)
 }
 
+func (r *mutationResolver) MagicLogin(ctx context.Context, params model.MagicLoginInput) (*model.Response, error) {
+	return resolvers.MagicLogin(ctx, params)
+}
+
 func (r *mutationResolver) Logout(ctx context.Context) (*model.Response, error) {
 	return resolvers.Logout(ctx)
 }

server/graph/schema.graphqls

@@ -208,7 +208,7 @@ func OAuthCallbackHandler() gin.HandlerFunc {
 
 			signupMethod := existingUser.SignupMethod
 			if !strings.Contains(signupMethod, provider) {
-				signupMethod = signupMethod + "," + enum.Github.String()
+				signupMethod = signupMethod + "," + provider
 			}
 			user.SignupMethod = signupMethod
 			user.Password = existingUser.Password

server/graph/schema.resolvers.go

@@ -46,7 +46,9 @@ func VerifyEmailHandler() gin.HandlerFunc {
 		}
 
 		// update email_verified_at in users table
-		db.Mgr.UpdateVerificationTime(time.Now().Unix(), user.ID)
+		if user.EmailVerifiedAt <= 0 {
+			db.Mgr.UpdateVerificationTime(time.Now().Unix(), user.ID)
+		}
 		// delete from verification table
 		db.Mgr.DeleteToken(claim.Email)