Add password reset functionality to user dashboard page

handler/user/ResetPassword/ResetPassword.go

@@ -0,0 +1,45 @@
+package userHandlerResetPassword
+
+import (
+	"github.com/fossyy/filekeeper/cache"
+	"github.com/fossyy/filekeeper/db"
+	"github.com/fossyy/filekeeper/session"
+	"github.com/fossyy/filekeeper/types"
+	"github.com/fossyy/filekeeper/utils"
+	"net/http"
+)
+
+func POST(w http.ResponseWriter, r *http.Request) {
+	r.ParseForm()
+	userSession := r.Context().Value("user").(types.User)
+	currentPassword := r.Form.Get("currentPassword")
+	password := r.Form.Get("password")
+	user, err := cache.GetUser(userSession.Email)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	hashPassword, err := utils.HashPassword(password)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	if !utils.CheckPasswordHash(currentPassword, user.Password) {
+		http.Redirect(w, r, "/user?error=password_not_match", http.StatusSeeOther)
+		return
+	}
+
+	err = db.DB.UpdateUserPassword(user.Email, hashPassword)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	session.RemoveAllSessions(userSession.Email)
+	cache.DeleteUser(userSession.Email)
+
+	http.Redirect(w, r, "/signin", http.StatusSeeOther)
+	return
+}

handler/user/user.go

@@ -1,6 +1,7 @@
 package userHandler
 
 import (
+	"github.com/a-h/templ"
 	"github.com/fossyy/filekeeper/types"
 	"net/http"
 
@@ -15,9 +16,30 @@ func init() {
 	log = logger.Logger()
 }
 
+var errorMessages = map[string]string{
+	"password_not_match": "The passwords provided do not match. Please try again.",
+}
+
 func GET(w http.ResponseWriter, r *http.Request) {
+	var component templ.Component
 	userSession := r.Context().Value("user").(types.User)
-	component := userView.Main("Filekeeper - User Page", userSession, session.GetSessions(userSession.Email))
+
+	if err := r.URL.Query().Get("error"); err != "" {
+		message, ok := errorMessages[err]
+		if !ok {
+			message = "Unknown error occurred. Please contact support at bagas@fossy.my.id for assistance."
+		}
+
+		component = userView.Main("Filekeeper - User Page", userSession, session.GetSessions(userSession.Email), types.Message{
+			Code:    0,
+			Message: message,
+		})
+	} else {
+		component = userView.Main("Filekeeper - User Page", userSession, session.GetSessions(userSession.Email), types.Message{
+			Code:    1,
+			Message: "",
+		})
+	}
 	err := component.Render(r.Context(), w)
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)