103 lines
3.1 KiB
Go
103 lines
3.1 KiB
Go
/*
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Package ldapSync provides a scheduler for syncing ldap users and groups to the database
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*/
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package ldapSync
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import (
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"fmt"
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"git.stuve.uni-ulm.de/stuve-it/stuve-it-backend/logger"
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"github.com/pocketbase/pocketbase"
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"github.com/pocketbase/pocketbase/tools/cron"
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"os"
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"strconv"
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"time"
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)
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// ldapTimeToUnixTime converts a ldap time string to a time.Time object
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func ldapTimeToUnixTime(ldapTimeStampStr string) (time.Time, error) {
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ldapTimeStamp, err := strconv.ParseInt(ldapTimeStampStr, 10, 64)
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if err != nil {
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return time.Time{}, fmt.Errorf("error parsing ldap time string: %v", err)
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}
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// convert from 100 nanosecond intervals to milliseconds
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unixTimeStamp := ldapTimeStamp/1e4 - 1.16444736e13
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if unixTimeStamp < 0 {
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return time.Time{}, fmt.Errorf("error parsing ldap time string: unixTimeStamp is negative")
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}
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// Convert milliseconds to seconds
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seconds := unixTimeStamp / 1000
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// Create a time.Time object
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t := time.Unix(seconds, 0)
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return t, nil
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}
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// InitLdapSync initializes the ldap sync scheduler
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//
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// the function syncs the ldap users and groups initially and then as defined in the LDAP_SYNC_SCHEDULE env variable (cron syntax)
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//
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// the function also checks for the existence of the ldapUsers and ldapGroups tables and creates them if they do not exist
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func InitLdapSync(app *pocketbase.PocketBase) error {
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// check if ldapGroups table exists
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if _, err := app.Dao().FindCollectionByNameOrId(ldapGroupsTableName); err != nil {
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// create ldap_groups table if not exists
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logger.LogInfoF("creating " + ldapGroupsTableName + " table ...")
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if err := createLDAPGroupsTable(app); err != nil {
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return err
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}
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} else {
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logger.LogInfoF(ldapGroupsTableName + " table already exists ... skipping creation")
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}
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// check if ldapUsers table exists
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if _, err := app.Dao().FindCollectionByNameOrId(ldapUsersTableName); err != nil {
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// create ldap_users table if not exists
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logger.LogInfoF("creating " + ldapUsersTableName + " table ...")
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if err := createLDAPUsersTable(app); err != nil {
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return err
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}
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} else {
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logger.LogInfoF(ldapUsersTableName + " table already exists ... skipping creation")
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}
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// check if ldapSyncLogs table exists
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if _, err := app.Dao().FindCollectionByNameOrId(ldapSyncLogsTableName); err != nil {
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// create ldapSyncs table if not exists
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logger.LogInfoF("creating " + ldapSyncLogsTableName + " table ...")
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if err := createLDAPSyncLogsTable(app); err != nil {
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return err
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}
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} else {
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logger.LogInfoF(ldapSyncLogsTableName + " table already exists ... skipping creation")
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}
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// start sync
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scheduler := cron.New()
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// initial sync
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logger.LogInfoF("initial LDAP on startup")
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syncLdap(app)
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logger.LogInfoF("... initial LDAP Sync done")
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ldapSyncSchedule := os.Getenv("LDAP_SYNC_SCHEDULE")
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// syncs ldap - interval specified in the LDAP_SYNC_SCHEDULE env variable
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scheduler.MustAdd("ldapSync", ldapSyncSchedule, func() {
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logger.LogInfoF("syncing LDAP ...")
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syncLdap(app)
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logger.LogInfoF("... LDAP Sync done")
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})
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scheduler.Start()
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logger.LogInfoF("ldap sync scheduler started with schedule: %s", ldapSyncSchedule)
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return nil
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}
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