added forgot password

handlers/user_management.go

@@ -0,0 +1,27 @@
+package handlers
+
+import (
+	"authentication/helper"
+	"authentication/services"
+	"net/http"
+)
+
+func ForgotPassword(w http.ResponseWriter, r *http.Request) {
+
+	email, err := helper.ExtractEmailFromToken(r.Header.Get("Authorization"))
+	if err != nil {
+		helper.RespondWithError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	allowed, err := services.ForgotPassword(email)
+	if err != nil {
+		helper.RespondWithError(w, http.StatusBadGateway, "Failed to process forgot password request")
+		return
+	}
+
+	if !allowed {
+		helper.RespondWithError(w, http.StatusForbidden, "Password reset not allowed for this email")
+		return
+	}
+}

routes/routes.go

@@ -18,6 +18,7 @@ func SetupRoutes(router *mux.Router, db *sql.DB) {
 	authRoutes.HandleFunc("/callback", handlers.GoogleCallback).Methods("GET")
 	authRoutes.HandleFunc("/refresh_token", handlers.HandleTokenRefresh).Methods("GET", "POST", "OPTIONS")
 	authRoutes.HandleFunc("/logout", handlers.LogoutHandler).Methods("GET")
+	authRoutes.HandleFunc("/forgot-password", handlers.ForgotPassword).Methods("GET")
 
 	// authRoutes.HandleFunc("/microsoft/login", handlers.MicrosoftLogin).Methods("GET")
 	// authRoutes.HandleFunc("/microsoft/callback", handlers.MicrosotCallback).Methods("GET")

services/user_management.go

@@ -0,0 +1,17 @@
+package services
+
+import "authentication/db"
+
+func ForgotPassword(email string) (bool, error) {
+	selectQuery := "SELECT EXISTS(SELECT 1 FROM uess_user_management.users WHERE email_address = ?)"
+	var exists string
+
+	err := db.DB.QueryRow(selectQuery, email).Scan(&exists)
+	if err != nil {
+		return false, err
+	}
+	if exists == "0" {
+		return false, nil
+	}
+	return true, nil
+}