func (self *Coordinator) ForceCompaction(user common.User) error {
if !user.IsClusterAdmin() {
return fmt.Errorf("Insufficient permissions to force a log compaction")
}
return self.raftServer.ForceLogCompaction()
}
func (self *Coordinator) WriteSeriesData(user common.User, db string, series []*protocol.Series) error {
// make sure that the db exist
if !self.clusterConfiguration.DatabasesExists(db) {
return fmt.Errorf("Database %s doesn't exist", db)
}
for _, s := range series {
seriesName := s.GetName()
if user.HasWriteAccess(seriesName) {
continue
}
return common.NewAuthorizationError("User %s doesn't have write permissions for %s", user.GetName(), seriesName)
}
err := self.CommitSeriesData(db, series, false)
if err != nil {
return err
}
for _, s := range series {
self.ProcessContinuousQueries(db, s)
}
return err
}
func (self *Permissions) AuthorizeDeleteClusterAdmin(user common.User) (ok bool, err common.AuthorizationError) {
if !user.IsClusterAdmin() {
return false, common.NewAuthorizationError("Insufficient permissions to delete cluster admin")
}
return true, ""
}
func (self *Permissions) AuthorizeChangeClusterAdminPassword(user common.User) (ok bool, err common.AuthorizationError) {
if !user.IsClusterAdmin() {
return false, common.NewAuthorizationError("Insufficient permissions to change cluster admin password")
}
return true, ""
}
func (self *Permissions) AuthorizeDropDatabase(user common.User) (ok bool, err common.AuthorizationError) {
if !user.IsClusterAdmin() {
return false, common.NewAuthorizationError("Insufficient permissions to drop database")
}
return true, ""
}
func (self *Permissions) AuthorizeDeleteQuery(user common.User, db string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) {
return false, common.NewAuthorizationError("Insufficient permission to write to %s", db)
}
return true, ""
}
func (self *Permissions) AuthorizeDropSeries(user common.User, db string, seriesName string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) && !user.HasWriteAccess(seriesName) {
return false, common.NewAuthorizationError("Insufficient permissions to drop series")
}
return true, ""
}
func (self *Permissions) AuthorizeListContinuousQueries(user common.User, db string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) {
return false, common.NewAuthorizationError("Insufficient permissions to list continuous queries")
}
return true, ""
}
func (self *Permissions) AuthorizeChangeDbUserPermissions(user common.User, db string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) {
return false, common.NewAuthorizationError("Insufficient permissions to change db user permissions on %s", db)
}
return true, ""
}
func (self *Permissions) AuthorizeGrantDbUserAdmin(user common.User, db string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) {
return false, common.NewAuthorizationError("Insufficient permissions to grant db user admin privileges on %s", db)
}
return true, ""
}
func (self *Permissions) AuthorizeSelectQuery(user common.User, db string, querySpec *parser.QuerySpec) (ok bool, err common.AuthorizationError) {
// if this isn't a regex query do the permission check here
fromClause := querySpec.SelectQuery().GetFromClause()
for _, n := range fromClause.Names {
if _, ok := n.Name.GetCompiledRegex(); ok {
break
} else if name := n.Name.Name; !user.HasReadAccess(name) {
return false, common.NewAuthorizationError("User doesn't have read access to %s", name)
}
}
return true, ""
}
func (self *CoordinatorImpl) checkPermission(user common.User, querySpec *parser.QuerySpec) error {
// if this isn't a regex query do the permission check here
fromClause := querySpec.SelectQuery().GetFromClause()
for _, n := range fromClause.Names {
if _, ok := n.Name.GetCompiledRegex(); ok {
break
} else if name := n.Name.Name; !user.HasReadAccess(name) {
return fmt.Errorf("User doesn't have read access to %s", name)
}
}
return nil
}
func (self *Coordinator) RunQuery(user common.User, database string, queryString string, p engine.Processor) (err error) {
log.Info("Start Query: db: %s, u: %s, q: %s", database, user.GetName(), queryString)
defer func(t time.Time) {
log.Debug("End Query: db: %s, u: %s, q: %s, t: %s", database, user.GetName(), queryString, time.Now().Sub(t))
}(time.Now())
// don't let a panic pass beyond RunQuery
defer common.RecoverFunc(database, queryString, nil)
q, err := parser.ParseQuery(queryString)
if err != nil {
return err
}
for _, query := range q {
err := self.runSingleQuery(user, database, query, p)
if err != nil {
return err
}
}
return nil
}
func (self *Permissions) AuthorizeChangeDbUserPassword(user common.User, db string, targetUsername string) (ok bool, err common.AuthorizationError) {
if !user.IsDbAdmin(db) && !(user.GetDb() == db && user.GetName() == targetUsername) {
return false, common.NewAuthorizationError("Insufficient permissions to change db user password for %s on %s", targetUsername, db)
}
return true, ""
}
func (self *CoordinatorImpl) RunQuery(user common.User, database string, queryString string, seriesWriter SeriesWriter) (err error) {
log.Info("Start Query: db: %s, u: %s, q: %s", database, user.GetName(), queryString)
defer func(t time.Time) {
log.Debug("End Query: db: %s, u: %s, q: %s, t: %s", database, user.GetName(), queryString, time.Now().Sub(t))
}(time.Now())
// don't let a panic pass beyond RunQuery
defer common.RecoverFunc(database, queryString, nil)
q, err := parser.ParseQuery(queryString)
if err != nil {
return err
}
for _, query := range q {
querySpec := parser.NewQuerySpec(user, database, query)
if query.DeleteQuery != nil {
if err := self.clusterConfiguration.CreateCheckpoint(); err != nil {
return err
}
if err := self.runDeleteQuery(querySpec, seriesWriter); err != nil {
return err
}
continue
}
if query.DropQuery != nil {
if err := self.DeleteContinuousQuery(user, database, uint32(query.DropQuery.Id)); err != nil {
return err
}
continue
}
if query.IsListQuery() {
if query.IsListSeriesQuery() {
self.runListSeriesQuery(querySpec, seriesWriter)
} else if query.IsListContinuousQueriesQuery() {
queries, err := self.ListContinuousQueries(user, database)
if err != nil {
return err
}
for _, q := range queries {
if err := seriesWriter.Write(q); err != nil {
return err
}
}
}
continue
}
if query.DropSeriesQuery != nil {
err := self.runDropSeriesQuery(querySpec, seriesWriter)
if err != nil {
return err
}
continue
}
selectQuery := query.SelectQuery
if selectQuery.IsContinuousQuery() {
return self.CreateContinuousQuery(user, database, queryString)
}
if err := self.checkPermission(user, querySpec); err != nil {
return err
}
return self.runQuery(querySpec, seriesWriter)
}
seriesWriter.Close()
return nil
}