imc-vibe/backend/internal/api/handlers/users.go
Christoph Haas ff52be8adf Rename project from imc-vibe to imc
- Binary name: imc-vibe -> imc
- Go module: github.com/imc-vibe/backend -> github.com/imc/backend
- JWT issuer: imc-vibe -> imc
- UI labels: IMC Vibe -> IMC
- Update all imports and comments
2026-03-24 23:42:37 +01:00

318 lines
7.4 KiB
Go

package handlers
import (
"log"
"net/http"
"regexp"
"strconv"
"strings"
"github.com/gin-gonic/gin"
"github.com/imc/backend/internal/db"
"github.com/imc/backend/internal/mail"
)
type UserHandler struct {
db *db.DB
}
func NewUserHandler(database *db.DB) *UserHandler {
return &UserHandler{db: database}
}
type CreateUserRequest struct {
Email string `json:"email" binding:"required"`
Password string `json:"password" binding:"required"`
Quota int64 `json:"quota"`
}
type UpdateUserRequest struct {
Password string `json:"password,omitempty"`
Quota int64 `json:"quota,omitempty"`
}
type UserWithQuota struct {
ID uint `json:"id"`
Email string `json:"email"`
Quota int64 `json:"quota"`
UsedQuota *int64 `json:"usedQuota"`
}
func (h *UserHandler) List(c *gin.Context) {
domainName := c.Param("name")
if domainName == "" {
Error(c, http.StatusBadRequest, "domain name required")
return
}
authCtx := GetAuthContext(c)
if authCtx == nil {
Error(c, http.StatusUnauthorized, "authentication required")
return
}
canAccess, _ := h.db.CanAccessDomain(authCtx.UserID, domainName, authCtx.IsAdmin())
if !canAccess {
Error(c, http.StatusForbidden, "access denied")
return
}
domain, err := h.db.GetDomainByName(domainName)
if err != nil {
Error(c, http.StatusNotFound, "domain not found")
return
}
users, err := h.db.GetUsersByDomain(domain.ID)
if err != nil {
Error(c, http.StatusInternalServerError, "database error")
return
}
result := make([]UserWithQuota, len(users))
for i, user := range users {
result[i] = UserWithQuota{
ID: user.ID,
Email: user.Email,
Quota: user.Quota,
}
quota, err := mail.GetQuota(user.Email)
if err == nil && quota != nil {
result[i].Quota = quota.Limit
result[i].UsedQuota = &quota.Used
}
}
Success(c, result)
}
func (h *UserHandler) Get(c *gin.Context) {
domainName := c.Param("name")
idStr := c.Param("id")
if domainName == "" || idStr == "" {
Error(c, http.StatusBadRequest, "domain name and user id required")
return
}
authCtx := GetAuthContext(c)
if authCtx == nil {
Error(c, http.StatusUnauthorized, "authentication required")
return
}
canAccess, _ := h.db.CanAccessDomain(authCtx.UserID, domainName, authCtx.IsAdmin())
if !canAccess {
Error(c, http.StatusForbidden, "access denied")
return
}
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
Error(c, http.StatusBadRequest, "invalid user id")
return
}
user, err := h.db.GetUserByID(uint(id))
if err != nil {
Error(c, http.StatusNotFound, "user not found")
return
}
Success(c, user)
}
func (h *UserHandler) Create(c *gin.Context) {
domainName := c.Param("name")
if domainName == "" {
Error(c, http.StatusBadRequest, "domain name required")
return
}
authCtx := GetAuthContext(c)
if authCtx == nil {
Error(c, http.StatusUnauthorized, "authentication required")
return
}
canAccess, _ := h.db.CanAccessDomain(authCtx.UserID, domainName, authCtx.IsAdmin())
if !canAccess {
Error(c, http.StatusForbidden, "access denied")
return
}
domain, err := h.db.GetDomainByName(domainName)
if err != nil {
Error(c, http.StatusNotFound, "domain not found")
return
}
var req CreateUserRequest
if err := c.ShouldBindJSON(&req); err != nil {
Error(c, http.StatusBadRequest, "invalid request body")
return
}
// Validate email local part (before @)
if err := validateEmailLocalPart(req.Email); err != nil {
Error(c, http.StatusBadRequest, err.Error())
return
}
existing, _ := h.db.GetUserByEmail(req.Email)
if existing != nil {
Error(c, http.StatusConflict, "user already exists")
return
}
passwordHash := "{BLF-CRYPT}" + req.Password
user, err := h.db.CreateUserInDomain(req.Email, passwordHash, req.Quota, domain.ID)
if err != nil {
log.Printf("CreateUserInDomain error: email=%s, domain=%s, err=%v", req.Email, domainName, err)
Error(c, http.StatusInternalServerError, "failed to create user")
return
}
Created(c, user)
}
func (h *UserHandler) Update(c *gin.Context) {
domainName := c.Param("name")
idStr := c.Param("id")
if domainName == "" || idStr == "" {
Error(c, http.StatusBadRequest, "domain name and user id required")
return
}
authCtx := GetAuthContext(c)
if authCtx == nil {
Error(c, http.StatusUnauthorized, "authentication required")
return
}
canAccess, _ := h.db.CanAccessDomain(authCtx.UserID, domainName, authCtx.IsAdmin())
if !canAccess {
Error(c, http.StatusForbidden, "access denied")
return
}
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
Error(c, http.StatusBadRequest, "invalid user id")
return
}
user, err := h.db.GetUserByID(uint(id))
if err != nil {
Error(c, http.StatusNotFound, "user not found")
return
}
var req UpdateUserRequest
if err := c.ShouldBindJSON(&req); err != nil {
Error(c, http.StatusBadRequest, "invalid request")
return
}
if req.Password != "" {
passwordHash := "{BLF-CRYPT}" + req.Password
if err := h.db.UpdateUserPassword(user.ID, passwordHash); err != nil {
Error(c, http.StatusInternalServerError, "failed to update password")
return
}
}
if req.Quota >= 0 {
if err := h.db.UpdateUserQuota(user.ID, req.Quota); err != nil {
Error(c, http.StatusInternalServerError, "failed to update quota")
return
}
}
Success(c, map[string]string{"message": "user updated"})
}
func (h *UserHandler) Delete(c *gin.Context) {
domainName := c.Param("name")
idStr := c.Param("id")
if domainName == "" || idStr == "" {
Error(c, http.StatusBadRequest, "domain name and user id required")
return
}
authCtx := GetAuthContext(c)
if authCtx == nil {
Error(c, http.StatusUnauthorized, "authentication required")
return
}
canAccess, _ := h.db.CanAccessDomain(authCtx.UserID, domainName, authCtx.IsAdmin())
if !canAccess {
Error(c, http.StatusForbidden, "access denied")
return
}
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
Error(c, http.StatusBadRequest, "invalid user id")
return
}
if err := h.db.DeleteUser(uint(id)); err != nil {
Error(c, http.StatusInternalServerError, "failed to delete user")
return
}
NoContent(c)
}
func (h *UserHandler) ListAll(c *gin.Context) {
authCtx := GetAuthContext(c)
if authCtx == nil || !authCtx.IsAdmin() {
Error(c, http.StatusForbidden, "admin access required")
return
}
users, err := h.db.GetAllMailUsers()
if err != nil {
Error(c, http.StatusInternalServerError, "database error")
return
}
Success(c, users)
}
var emailLocalPartRegex = regexp.MustCompile("^[a-zA-Z0-9!#$%&'*+\\-/=?^_`{|}~-]+$")
func validateEmailLocalPart(email string) error {
parts := strings.Split(email, "@")
if len(parts) != 2 {
return &ValidationError{Message: "invalid email format"}
}
localPart := parts[0]
if len(localPart) < 1 || len(localPart) > 64 {
return &ValidationError{Message: "username must be between 1 and 64 characters"}
}
// RFC 5321: local-part cannot start or end with a dot
if strings.HasPrefix(localPart, ".") || strings.HasSuffix(localPart, ".") {
return &ValidationError{Message: "username cannot start or end with a dot"}
}
// RFC 5321: local-part cannot contain consecutive dots
if strings.Contains(localPart, "..") {
return &ValidationError{Message: "username cannot contain consecutive dots"}
}
// Check valid characters (RFC 5321: letters, digits, and special chars !#$%&'*+/=?^_`{|}~-)
if !emailLocalPartRegex.MatchString(localPart) {
return &ValidationError{Message: "username contains invalid characters"}
}
return nil
}