Files
GoMFT/internal/web/handlers/user_handlers.go
T
2025-03-07 23:21:12 -08:00

317 lines
8.4 KiB
Go

package handlers
import (
"fmt"
"log"
"net/http"
"strconv"
"time"
"github.com/gin-gonic/gin"
"github.com/starfleetcptn/gomft/components"
"github.com/starfleetcptn/gomft/internal/db"
"golang.org/x/crypto/bcrypt"
)
// HandleUsers handles the GET /admin/users route
func (h *Handlers) HandleUsers(c *gin.Context) {
var users []db.User
if err := h.DB.Find(&users).Error; err != nil {
c.String(http.StatusInternalServerError, "Failed to retrieve users")
return
}
data := components.UsersData{
Users: users,
}
components.Users(components.CreateTemplateContext(c), data).Render(c, c.Writer)
}
// HandleNewUser handles the GET /admin/users/new route
func (h *Handlers) HandleNewUser(c *gin.Context) {
data := components.UserFormData{
IsNew: true,
ErrorMessage: "",
}
components.UserForm(components.CreateTemplateContext(c), data).Render(c, c.Writer)
}
// HandleCreateUser handles the POST /admin/users/new route
func (h *Handlers) HandleCreateUser(c *gin.Context) {
email := c.PostForm("email")
password := c.PostForm("password")
isAdmin := c.PostForm("is_admin") == "on"
// Check if email already exists
var existingUser db.User
if err := h.DB.Where("email = ?", email).First(&existingUser).Error; err == nil {
c.String(http.StatusBadRequest, "Email already exists")
return
}
// Hash the password
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
c.String(http.StatusInternalServerError, "Failed to hash password")
return
}
// Create the user
user := db.User{
Email: email,
PasswordHash: string(hashedPassword),
IsAdmin: isAdmin,
LastPasswordChange: time.Now(),
}
if err := h.DB.Create(&user).Error; err != nil {
c.String(http.StatusInternalServerError, "Failed to create user")
return
}
c.Redirect(http.StatusSeeOther, "/admin/users")
}
// HandleDeleteUser handles the POST /admin/users/delete route
func (h *Handlers) HandleDeleteUser(c *gin.Context) {
userID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.String(http.StatusBadRequest, "Invalid user ID")
return
}
// Don't allow deleting the current user
currentUserID := c.GetUint("userID")
if uint(userID) == currentUserID {
c.String(http.StatusBadRequest, "Cannot delete your own account")
return
}
// Delete the user
if err := h.DB.Delete(&db.User{}, userID).Error; err != nil {
c.String(http.StatusInternalServerError, "Failed to delete user")
return
}
c.Redirect(http.StatusSeeOther, "/admin/users")
}
// HandleRegisterPage handles the GET /register route
func (h *Handlers) HandleRegisterPage(c *gin.Context) {
// Check if any users exist
var count int64
h.DB.Model(&db.User{}).Count(&count)
// If users exist, don't allow registration
if count > 0 {
c.Redirect(http.StatusSeeOther, "/")
return
}
components.Register(c.Request.Context(), "").Render(c, c.Writer)
}
// HandleRegister handles the POST /register route
func (h *Handlers) HandleRegister(c *gin.Context) {
// Check if any users exist
var count int64
h.DB.Model(&db.User{}).Count(&count)
// If users exist, don't allow registration
if count > 0 {
c.Redirect(http.StatusSeeOther, "/")
return
}
email := c.PostForm("email")
password := c.PostForm("password")
// Hash the password
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
c.String(http.StatusInternalServerError, "Failed to hash password")
return
}
// Create the admin user
user := db.User{
Email: email,
PasswordHash: string(hashedPassword),
IsAdmin: true,
LastPasswordChange: time.Now(),
}
if err := h.DB.Create(&user).Error; err != nil {
c.String(http.StatusInternalServerError, "Failed to create user")
return
}
// Generate JWT
token, err := h.GenerateJWT(user.ID, user.Email, user.IsAdmin)
if err != nil {
c.String(http.StatusInternalServerError, "Failed to generate token")
return
}
// Set cookie
c.SetCookie("jwt", token, 60*60*24, "/", "", false, true)
c.Redirect(http.StatusSeeOther, "/dashboard")
}
// HandleEditUser handles the edit user page request
func (h *Handlers) HandleEditUser(c *gin.Context) {
// Only admin users can access this page
isAdmin, exists := c.Get("isAdmin")
if !exists || isAdmin != true {
c.Redirect(http.StatusFound, "/dashboard")
return
}
id := c.Param("id")
var user db.User
if err := h.DB.First(&user, id).Error; err != nil {
c.Redirect(http.StatusFound, "/users")
return
}
data := components.UserFormData{
IsNew: false,
ErrorMessage: "",
}
components.UserForm(c.Request.Context(), data).Render(c, c.Writer)
}
// HandleUpdateUser handles the update user form submission
func (h *Handlers) HandleUpdateUser(c *gin.Context) {
// Only admin users can update users
isAdmin, exists := c.Get("isAdmin")
if !exists || isAdmin != true {
c.String(http.StatusForbidden, "Only administrators can update users")
return
}
id := c.Param("id")
var user db.User
if err := h.DB.First(&user, id).Error; err != nil {
log.Printf("Error finding user: %v", err)
c.String(http.StatusNotFound, "User not found")
return
}
// Get the old user values for comparison
oldUser := user
// Bind form data to user
if err := c.ShouldBind(&user); err != nil {
log.Printf("Error binding user form: %v", err)
c.String(http.StatusBadRequest, fmt.Sprintf("Invalid form data: %v", err))
return
}
// Check if email already exists for a different user
var existingUser db.User
if user.Email != oldUser.Email {
if err := h.DB.Where("email = ? AND id != ?", user.Email, user.ID).First(&existingUser).Error; err == nil {
c.String(http.StatusBadRequest, "Email already in use")
return
}
}
// Get password from form
password := c.PostForm("password")
// Only update password if provided
if password != "" {
// Validate password complexity
if !h.validatePasswordComplexity(password) {
c.String(http.StatusBadRequest, "Password does not meet complexity requirements")
return
}
// Hash password
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
log.Printf("Error hashing password: %v", err)
c.String(http.StatusInternalServerError, "Failed to hash password")
return
}
user.PasswordHash = string(hashedPassword)
user.LastPasswordChange = time.Now()
} else {
// Preserve the old password if not updating
user.PasswordHash = oldUser.PasswordHash
user.LastPasswordChange = oldUser.LastPasswordChange
}
// Preserve fields that shouldn't be updated
user.CreatedAt = oldUser.CreatedAt
user.FailedLoginAttempts = oldUser.FailedLoginAttempts
user.AccountLocked = oldUser.AccountLocked
user.LockoutUntil = oldUser.LockoutUntil
// Update admin status
user.IsAdmin = c.PostForm("is_admin") == "on"
if err := h.DB.Save(&user).Error; err != nil {
log.Printf("Error updating user: %v", err)
c.String(http.StatusInternalServerError, fmt.Sprintf("Failed to update user: %v", err))
return
}
c.Redirect(http.StatusFound, "/users")
}
// HandleUnlockUser handles the unlock user request
func (h *Handlers) HandleUnlockUser(c *gin.Context) {
// Only admin users can unlock users
isAdmin, exists := c.Get("isAdmin")
if !exists || isAdmin != true {
c.JSON(http.StatusForbidden, gin.H{"error": "Only administrators can unlock users"})
return
}
id := c.Param("id")
var user db.User
if err := h.DB.First(&user, id).Error; err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
return
}
// Unlock user
user.AccountLocked = false
user.FailedLoginAttempts = 0
user.LockoutUntil = nil
if err := h.DB.Save(&user).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("Failed to unlock user: %v", err)})
return
}
c.JSON(http.StatusOK, gin.H{"message": "User unlocked successfully"})
}
// validatePasswordComplexity validates that a password meets complexity requirements
func (h *Handlers) validatePasswordComplexity(password string) bool {
// Password must be at least 8 characters long
if len(password) < 8 {
return false
}
// Check for at least one uppercase letter, one lowercase letter, and one number
hasUpper := false
hasLower := false
hasNumber := false
for _, char := range password {
if char >= 'A' && char <= 'Z' {
hasUpper = true
} else if char >= 'a' && char <= 'z' {
hasLower = true
} else if char >= '0' && char <= '9' {
hasNumber = true
}
}
return hasUpper && hasLower && hasNumber
}