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ldap_autosync.go
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ldap_autosync.go
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package object
import (
"fmt"
"sync"
"time"
"github.com/beego/beego/logs"
"github.com/casdoor/casdoor/util"
)
type LdapAutoSynchronizer struct {
sync.Mutex
ldapIdToStopChan map[string]chan struct{}
}
var globalLdapAutoSynchronizer *LdapAutoSynchronizer
func InitLdapAutoSynchronizer() {
globalLdapAutoSynchronizer = NewLdapAutoSynchronizer()
globalLdapAutoSynchronizer.LdapAutoSynchronizerStartUpAll()
}
func NewLdapAutoSynchronizer() *LdapAutoSynchronizer {
return &LdapAutoSynchronizer{
ldapIdToStopChan: make(map[string]chan struct{}),
}
}
func GetLdapAutoSynchronizer() *LdapAutoSynchronizer {
return globalLdapAutoSynchronizer
}
// StartAutoSync
// start autosync for specified ldap, old existing autosync goroutine will be ceased
func (l *LdapAutoSynchronizer) StartAutoSync(ldapId string) error {
l.Lock()
defer l.Unlock()
ldap := GetLdap(ldapId)
if ldap == nil {
return fmt.Errorf("ldap %s doesn't exist", ldapId)
}
if res, ok := l.ldapIdToStopChan[ldapId]; ok {
res <- struct{}{}
delete(l.ldapIdToStopChan, ldapId)
}
stopChan := make(chan struct{})
l.ldapIdToStopChan[ldapId] = stopChan
logs.Info(fmt.Sprintf("autoSync started for %s", ldap.Id))
util.SafeGoroutine(func() { l.syncRoutine(ldap, stopChan) })
return nil
}
func (l *LdapAutoSynchronizer) StopAutoSync(ldapId string) {
l.Lock()
defer l.Unlock()
if res, ok := l.ldapIdToStopChan[ldapId]; ok {
res <- struct{}{}
delete(l.ldapIdToStopChan, ldapId)
}
}
// autosync goroutine
func (l *LdapAutoSynchronizer) syncRoutine(ldap *Ldap, stopChan chan struct{}) {
ticker := time.NewTicker(time.Duration(ldap.AutoSync) * time.Minute)
defer ticker.Stop()
for {
select {
case <-stopChan:
logs.Info(fmt.Sprintf("autoSync goroutine for %s stopped", ldap.Id))
return
case <-ticker.C:
}
UpdateLdapSyncTime(ldap.Id)
// fetch all users
conn, err := GetLdapConn(ldap.Host, ldap.Port, ldap.Admin, ldap.Passwd)
if err != nil {
logs.Warning(fmt.Sprintf("autoSync failed for %s, error %s", ldap.Id, err))
continue
}
users, err := conn.GetLdapUsers(ldap.BaseDn)
if err != nil {
logs.Warning(fmt.Sprintf("autoSync failed for %s, error %s", ldap.Id, err))
continue
}
existed, failed := SyncLdapUsers(ldap.Owner, LdapUsersToLdapRespUsers(users), ldap.Id)
if len(*failed) != 0 {
logs.Warning(fmt.Sprintf("ldap autosync,%d new users,but %d user failed during :", len(users)-len(*existed)-len(*failed), len(*failed)), *failed)
} else {
logs.Info(fmt.Sprintf("ldap autosync success, %d new users, %d existing users", len(users)-len(*existed), len(*existed)))
}
}
}
// LdapAutoSynchronizerStartUpAll
// start all autosync goroutine for existing ldap servers in each organizations
func (l *LdapAutoSynchronizer) LdapAutoSynchronizerStartUpAll() {
organizations := []*Organization{}
err := adapter.Engine.Desc("created_time").Find(&organizations)
if err != nil {
logs.Info("failed to Star up LdapAutoSynchronizer; ")
}
for _, org := range organizations {
for _, ldap := range GetLdaps(org.Name) {
if ldap.AutoSync != 0 {
l.StartAutoSync(ldap.Id)
}
}
}
}