Files
opsxsql/backend/internal/handler/ldap.go
T

544 lines
14 KiB
Go

package handler
import (
"encoding/json"
"fmt"
"net"
"net/http"
"strings"
"time"
"sql-platform/internal/model"
"github.com/gin-gonic/gin"
"github.com/go-ldap/ldap/v3"
)
// GET /api/v1/ldap-config
func GetLDAPConfig(c *gin.Context) {
var configs []model.LDAPConfig
model.DB.Order("id").Find(&configs)
if len(configs) == 0 {
c.JSON(http.StatusOK, nil)
return
}
cfg := configs[0]
// mask password in response
cfg.AdminPassword = "******"
// Parse user_mapping from JSON string to object for frontend
type ldapResponse struct {
model.LDAPConfig
UserMapping interface{} `json:"user_mapping"`
}
resp := ldapResponse{LDAPConfig: cfg}
if cfg.UserMapping != nil && *cfg.UserMapping != "" {
var mapping map[string]string
json.Unmarshal([]byte(*cfg.UserMapping), &mapping)
resp.UserMapping = mapping
} else {
resp.UserMapping = map[string]string{"username": "uid", "email": "mail", "display_name": "cn"}
}
c.JSON(http.StatusOK, resp)
}
// PUT /api/v1/ldap-config
func UpdateLDAPConfig(c *gin.Context) {
var input map[string]interface{}
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": err.Error()})
return
}
var configs []model.LDAPConfig
model.DB.Order("id").Find(&configs)
// Helper to get string from input
getStr := func(key string) string {
if v, ok := input[key].(string); ok {
return v
}
return ""
}
getInt := func(key string) int {
if v, ok := input[key].(float64); ok {
return int(v)
}
return 0
}
getBool := func(key string) *bool {
if v, ok := input[key].(bool); ok {
return &v
}
return nil
}
// Serialize user_mapping to JSON string
userMappingStr := ""
if um, ok := input["user_mapping"]; ok {
if bytes, err := json.Marshal(um); err == nil {
userMappingStr = string(bytes)
}
}
if len(configs) == 0 {
// Create new config
cfg := model.LDAPConfig{
LDAPHost: getStr("ldap_host"),
AdminDN: getStr("admin_dn"),
BaseDN: getStr("base_dn"),
SearchFilter: func() *string { s := getStr("search_filter"); if s != "" { return &s }; return nil }(),
UserMapping: func() *string { s := userMappingStr; if s != "" { return &s }; return nil }(),
}
if port := getInt("ldap_port"); port > 0 {
cfg.LDAPPort = &port
}
if b := getBool("use_ldaps"); b != nil {
cfg.UseLDAPS = b
}
if pw := getStr("admin_password"); pw != "" && pw != "******" {
encPw, _ := encryptPassword(pw)
cfg.AdminPassword = encPw
}
model.DB.Create(&cfg)
cfg.AdminPassword = "******"
c.JSON(http.StatusOK, cfg)
} else {
// Update existing
cfg := configs[0]
updates := map[string]interface{}{}
if v := getStr("ldap_host"); v != "" {
updates["ldap_host"] = v
}
if v := getStr("base_dn"); v != "" {
updates["base_dn"] = v
}
if v := getStr("admin_dn"); v != "" {
updates["admin_dn"] = v
}
if v := getStr("search_filter"); v != "" {
updates["search_filter"] = v
}
if userMappingStr != "" {
updates["user_mapping"] = userMappingStr
}
if v := getStr("admin_password"); v != "" && v != "******" {
encPw, _ := encryptPassword(v)
updates["admin_password"] = encPw
}
if port := getInt("ldap_port"); port > 0 {
updates["ldap_port"] = port
}
if b := getBool("use_ldaps"); b != nil {
updates["use_ldaps"] = *b
}
if len(updates) > 0 {
model.DB.Model(&cfg).Updates(updates)
}
model.DB.First(&cfg, cfg.ID)
cfg.AdminPassword = "******"
c.JSON(http.StatusOK, cfg)
}
}
// POST /api/v1/ldap-config/test
func TestLDAPConnection(c *gin.Context) {
var req struct {
TestUser string `json:"test_user"`
TestPassword string `json:"test_password"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": err.Error()})
return
}
var cfg model.LDAPConfig
if err := model.DB.Order("id").First(&cfg).Error; err != nil {
c.JSON(http.StatusNotFound, gin.H{"detail": "LDAP 配置不存在,请先保存配置"})
return
}
if cfg.LDAPHost == "" {
c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "LDAP 未配置"})
return
}
// Connect
conn, err := dialLDAP(&cfg)
if err != nil {
c.JSON(http.StatusOK, gin.H{"success": false, "message": fmt.Sprintf("连接失败: %s", err)})
return
}
defer conn.Close()
// Admin bind (decrypt password)
adminPw, _ := decryptPassword(cfg.AdminPassword)
if err := conn.Bind(cfg.AdminDN, adminPw); err != nil {
c.JSON(http.StatusOK, gin.H{"success": false, "message": fmt.Sprintf("管理员绑定失败: %s", err)})
return
}
// If test_user provided, search and verify
if req.TestUser != "" && req.TestPassword != "" && req.TestPassword != "__use_stored__" {
userFilter := ""
if cfg.SearchFilter != nil && *cfg.SearchFilter != "" {
sf := *cfg.SearchFilter
if strings.Contains(sf, "%s") {
userFilter = strings.ReplaceAll(sf, "%s", ldap.EscapeFilter(req.TestUser))
} else {
userFilter = fmt.Sprintf("(&%s(uid=%s))", sf, ldap.EscapeFilter(req.TestUser))
}
} else {
userFilter = fmt.Sprintf("(uid=%s)", ldap.EscapeFilter(req.TestUser))
}
sr, err := conn.Search(ldap.NewSearchRequest(
cfg.BaseDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
1, 10, false, userFilter,
[]string{"uid", "cn", "mail", "telephoneNumber", "title", "department", "memberOf", "distinguishedName"},
nil,
))
if err != nil || len(sr.Entries) == 0 {
c.JSON(http.StatusOK, gin.H{"success": false, "message": fmt.Sprintf("未找到用户: %s", req.TestUser)})
return
}
entry := sr.Entries[0]
userDN := entry.DN
// Verify password
if err := conn.Bind(userDN, req.TestPassword); err != nil {
c.JSON(http.StatusOK, gin.H{"success": false, "message": "密码验证失败"})
return
}
// Extract user info
userMapping := map[string]string{"username": "uid", "email": "mail", "display_name": "cn"}
if cfg.UserMapping != nil && *cfg.UserMapping != "" {
json.Unmarshal([]byte(*cfg.UserMapping), &userMapping)
}
userInfo := map[string]string{
"User lookup": "successful",
"User ID": entry.GetAttributeValue(userMapping["username"]),
"User DN": userDN,
"Display Name": entry.GetAttributeValue(userMapping["display_name"]),
"Email": entry.GetAttributeValue(userMapping["email"]),
}
if userInfo["Display Name"] == "" {
userInfo["Display Name"] = req.TestUser
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": fmt.Sprintf("用户 %s 验证通过", req.TestUser),
"user_info": userInfo,
})
return
}
// Just test server connection
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": fmt.Sprintf("LDAP 服务器 %s 连接成功", cfg.LDAPHost),
})
}
// POST /api/v1/ldap-config/ou-list
func ListLDAPOUs(c *gin.Context) {
var cfg model.LDAPConfig
if err := model.DB.Order("id").First(&cfg).Error; err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
conn, err := dialLDAP(&cfg)
if err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
defer conn.Close()
adminPw, _ := decryptPassword(cfg.AdminPassword)
if err := conn.Bind(cfg.AdminDN, adminPw); err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
sr, err := conn.Search(ldap.NewSearchRequest(
cfg.BaseDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
100, 0, false, "(objectClass=organizationalUnit)",
[]string{"ou", "dn", "description"},
nil,
))
if err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
type OuItem struct {
DN string `json:"dn"`
Name string `json:"name"`
}
var items []OuItem
for _, e := range sr.Entries {
items = append(items, OuItem{
DN: e.DN,
Name: e.GetAttributeValue("ou"),
})
}
c.JSON(http.StatusOK, items)
}
// POST /api/v1/ldap-config/user-list
func ListLDAPUsers(c *gin.Context) {
var req struct {
OuDn string `json:"ou_dn"`
}
c.ShouldBindJSON(&req)
var cfg model.LDAPConfig
if err := model.DB.Order("id").First(&cfg).Error; err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
conn, err := dialLDAP(&cfg)
if err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
defer conn.Close()
adminPw2, _ := decryptPassword(cfg.AdminPassword)
if err := conn.Bind(cfg.AdminDN, adminPw2); err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
searchBase := cfg.BaseDN
if req.OuDn != "" {
searchBase = req.OuDn
}
baseFilter := "(objectClass=inetOrgPerson)"
if cfg.SearchFilter != nil && *cfg.SearchFilter != "" {
sf := *cfg.SearchFilter
if strings.Contains(sf, "%s") {
baseFilter = strings.ReplaceAll(sf, "%s", "*")
} else {
baseFilter = sf
}
}
sr, err := conn.Search(ldap.NewSearchRequest(
searchBase, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
200, 0, false, baseFilter,
[]string{"uid", "cn", "mail", "dn"},
nil,
))
if err != nil {
c.JSON(http.StatusOK, []interface{}{})
return
}
type LdapUser struct {
DN string `json:"dn"`
UID string `json:"uid"`
CN string `json:"cn"`
Mail string `json:"mail"`
}
var users []LdapUser
for _, e := range sr.Entries {
users = append(users, LdapUser{
DN: e.DN,
UID: e.GetAttributeValue("uid"),
CN: e.GetAttributeValue("cn"),
Mail: e.GetAttributeValue("mail"),
})
}
c.JSON(http.StatusOK, users)
}
// POST /api/v1/ldap-config/create-ou
func CreateLDAPOU(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"message": "OU created (placeholder)"})
}
// POST /api/v1/ldap-config/create-user
func CreateLDAPUser(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"message": "User created (placeholder)"})
}
// POST /api/v1/ldap-config/batch-import-ldap
func BatchImportLDAP(c *gin.Context) {
var req struct {
OuDn string `json:"ou_dn"`
Role string `json:"role"`
UserIDs []string `json:"user_ids"`
}
c.ShouldBindJSON(&req)
if req.Role == "" {
req.Role = "developer"
}
var cfg model.LDAPConfig
if err := model.DB.Order("id").First(&cfg).Error; err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 配置不存在"})
return
}
conn, err := dialLDAP(&cfg)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 连接失败: " + err.Error()})
return
}
defer conn.Close()
adminPw, _ := decryptPassword(cfg.AdminPassword)
if err := conn.Bind(cfg.AdminDN, adminPw); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 管理员绑定失败"})
return
}
searchBase := cfg.BaseDN
if req.OuDn != "" {
searchBase = req.OuDn
}
baseFilter := "(objectClass=inetOrgPerson)"
if cfg.SearchFilter != nil && *cfg.SearchFilter != "" {
sf := *cfg.SearchFilter
if strings.Contains(sf, "%s") {
baseFilter = strings.ReplaceAll(sf, "%s", "*")
} else {
baseFilter = sf
}
}
sr, err := conn.Search(ldap.NewSearchRequest(
searchBase, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
500, 0, false, baseFilter,
[]string{"uid", "cn", "mail"}, nil,
))
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 搜索失败: " + err.Error()})
return
}
isActive := true
imported := 0
skipped := 0
var results []map[string]string
for _, entry := range sr.Entries {
uid := entry.GetAttributeValue("uid")
if uid == "" {
continue
}
if len(req.UserIDs) > 0 {
found := false
for _, id := range req.UserIDs {
if id == uid { found = true; break }
}
if !found { continue }
}
cn := entry.GetAttributeValue("cn")
mail := entry.GetAttributeValue("mail")
var existing model.User
err := model.DB.Where("username = ?", uid).First(&existing).Error
if err == nil {
// Update existing user
updates := map[string]interface{}{}
if cn != "" && cn != existing.DisplayName { updates["display_name"] = cn }
if mail != "" && (existing.Email == nil || *existing.Email != mail) { updates["email"] = mail }
if len(updates) > 0 {
model.DB.Model(&existing).Updates(updates)
}
results = append(results, map[string]string{"uid": uid, "status": "updated"})
skipped++
continue
}
newUser := model.User{
Username: uid,
DisplayName: cn,
Role: req.Role,
AuthSource: "ldap",
IsActive: &isActive,
HashedPassword: "-",
}
if mail != "" { newUser.Email = &mail }
if err := model.DB.Create(&newUser).Error; err != nil {
results = append(results, map[string]string{"uid": uid, "status": "error: " + err.Error()})
skipped++
continue
}
results = append(results, map[string]string{"uid": uid, "status": "created"})
imported++
}
c.JSON(http.StatusOK, gin.H{
"message": fmt.Sprintf("导入完成: %d 新建, %d 更新", imported, skipped),
"imported": imported,
"skipped": skipped,
"results": results,
})
}
// POST /api/v1/ldap-config/delete-user
func DeleteLDAPUser(c *gin.Context) {
var req struct {
DN string `json:"dn" binding:"required"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "缺少 dn 参数"})
return
}
var cfg model.LDAPConfig
if err := model.DB.Order("id").First(&cfg).Error; err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 配置不存在"})
return
}
conn, err := dialLDAP(&cfg)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 连接失败: " + err.Error()})
return
}
defer conn.Close()
adminPw, _ := decryptPassword(cfg.AdminPassword)
if err := conn.Bind(cfg.AdminDN, adminPw); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "LDAP 管理员绑定失败"})
return
}
if err := conn.Del(ldap.NewDelRequest(req.DN, nil)); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"detail": "删除用户失败: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{"message": "用户已从 LDAP 删除"})
}
// helper: dial LDAP with config
func dialLDAP(cfg *model.LDAPConfig) (*ldap.Conn, error) {
if cfg.LDAPHost == "" {
return nil, fmt.Errorf("LDAP not configured")
}
protocol := "ldap"
if cfg.UseLDAPS != nil && *cfg.UseLDAPS {
protocol = "ldaps"
}
port := 389
if cfg.LDAPPort != nil && *cfg.LDAPPort > 0 {
port = *cfg.LDAPPort
}
uri := fmt.Sprintf("%s://%s:%d", protocol, cfg.LDAPHost, port)
dialer := &net.Dialer{Timeout: 3 * time.Second}
return ldap.DialURL(uri, ldap.DialWithDialer(dialer))
}