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1. Without metadata information stored in BE, it is necessary to perform an interactive authentication with FE, which is implemented through RPC calls as follows:

   
   

   THttpAuthRequest {      1. 1: optional string cluster     2: required string user;      2. 3: required string passwd;      3. option string permission;     4: optional string user_ip     5: optional string glb     6: optional string db     7: optional string tbl     8: optional string col     9: optional string res     10: optional TPrivilegeType priv_type     11: optional i64 thrift_rpc_timeout_ms     ... } THttpAuthResult {      1. reuired Status.TStatus status }

   
   

2. Each Interface requires different permissions, as follows：

   handler	interface		whether performs authentication	permissions required
   JeprofileActions	get	/jeheap/dump	no	none
   HeapAction	get	/pprof/heap
   GrowthAction	get	/pprof/growth
   ProfileAction	get	/pprof/profile
   PmuProfileAction	get	/pprof/pmuprofile
   ContentionAction	get	/pprof/contention
   CmdlineAction	get	/pprof/cmdline
   SymbolAction	get	/pprof/symbol
   	head	/pprof/symbol
   	put	/pprof/symbol
   StreamLoadAction	put	/api/{db}/{table}/_load	yes	LOAD
   	put	/api/{db}/{table}/_stream_load	yes	LOAD
   StreamLoad2PCAction	put	/api/{db}/_stream_load_2pc	yes	LOAD
   	put	/api/{db}/{table}/_stream_load_2pc	yes	LOAD
   DownloadAction	head	/api/_download_load	yes	USAGE
   	head	/api/_tablet/_download
   	head	/api/_load_error_log
   	get	/api/_download_load
   	get	/api/_tablet/_download
   	get	/api/_load_error_log
   VersionAction	get	/api/be_version_info	yes	NODE
   HealthAction	get	/api/health	yes	none
   TabletsInfoAction	get	/tablets_json	yes	NODE
   TabletsDistributionAction	get	/api/tablets_distribution	yes	NODE
   TabletMigrationAction	get	/api/tablet_migration	yes	NODE
   MetricsAction	get	/metrics	no	none
   MetaAction	get	/api/meta/header/{tablet_id}	yes	NODE
   ChecksumAction	get	/api/checksum	yes	NODE
   ReloadTabletAction	get	/api/reload_tablet	yes	NODE
   	post	/api/restore_tablet	yes	NODE
   SnapshotAction	get	/api/snapshot	yes	NODE
   CompactionAction	get	/api/compaction/show	yes	NODE
   	get	/api/compaction/run_status	yes	NODE
   	post	/api/compaction/run	yes	NODE
   ConfigAction	get	/api/show_config	yes	NODE
   	post	/api/update_config	yes	NODE
   CheckRPCChannelAction	get	/api/check_rpc_channel/{ip}/{port}/{payload_size}	yes	NODE
   ResetRPCChannelAction	get	/api/reset_rpc_channel/{endpoints}	yes	NODE
   CheckTabletSegmentAction	post	/api/check_tablet_segment_lost	yes	NODE
   PadRowsetAction	post	/api/pad_rowset	yes	NODE

   
   

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