Merge pull request #18731 from taosdata/enh/TD-20611

enh: allow any user to create a topic

source/dnode/mnode/impl/inc/mndDef.h

@@ -473,6 +473,7 @@ void*   tDecodeSMqOffsetObj(void* buf, SMqOffsetObj* pOffset);
 typedef struct {
   char           name[TSDB_TOPIC_FNAME_LEN];
   char           db[TSDB_DB_FNAME_LEN];
+  char           createUser[TSDB_USER_LEN];
   int64_t        createTime;
   int64_t        updateTime;
   int64_t        uid;

source/dnode/mnode/impl/src/mndTopic.c

@@ -28,7 +28,7 @@
 #include "parser.h"
 #include "tname.h"
 
-#define MND_TOPIC_VER_NUMBER   1
+#define MND_TOPIC_VER_NUMBER   2
 #define MND_TOPIC_RESERVE_SIZE 64
 
 static int32_t mndTopicActionInsert(SSdb *pSdb, SMqTopicObj *pTopic);
@@ -93,6 +93,7 @@ SSdbRaw *mndTopicActionEncode(SMqTopicObj *pTopic) {
   int32_t dataPos = 0;
   SDB_SET_BINARY(pRaw, dataPos, pTopic->name, TSDB_TOPIC_FNAME_LEN, TOPIC_ENCODE_OVER);
   SDB_SET_BINARY(pRaw, dataPos, pTopic->db, TSDB_DB_FNAME_LEN, TOPIC_ENCODE_OVER);
+  SDB_SET_BINARY(pRaw, dataPos, pTopic->createUser, TSDB_USER_LEN, TOPIC_ENCODE_OVER);
   SDB_SET_INT64(pRaw, dataPos, pTopic->createTime, TOPIC_ENCODE_OVER);
   SDB_SET_INT64(pRaw, dataPos, pTopic->updateTime, TOPIC_ENCODE_OVER);
   SDB_SET_INT64(pRaw, dataPos, pTopic->uid, TOPIC_ENCODE_OVER);
@@ -159,7 +160,7 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
   int8_t sver = 0;
   if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto TOPIC_DECODE_OVER;
 
-  if (sver != MND_TOPIC_VER_NUMBER) {
+  if (sver != 1 && sver != 2) {
     terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
     goto TOPIC_DECODE_OVER;
   }
@@ -174,6 +175,9 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
   int32_t dataPos = 0;
   SDB_GET_BINARY(pRaw, dataPos, pTopic->name, TSDB_TOPIC_FNAME_LEN, TOPIC_DECODE_OVER);
   SDB_GET_BINARY(pRaw, dataPos, pTopic->db, TSDB_DB_FNAME_LEN, TOPIC_DECODE_OVER);
+  if (sver >= 2) {
+    SDB_GET_BINARY(pRaw, dataPos, pTopic->createUser, TSDB_USER_LEN, TOPIC_DECODE_OVER);
+  }
   SDB_GET_INT64(pRaw, dataPos, &pTopic->createTime, TOPIC_DECODE_OVER);
   SDB_GET_INT64(pRaw, dataPos, &pTopic->updateTime, TOPIC_DECODE_OVER);
   SDB_GET_INT64(pRaw, dataPos, &pTopic->uid, TOPIC_DECODE_OVER);
@@ -358,11 +362,18 @@ static int32_t extractTopicTbInfo(SNode *pAst, SMqTopicObj *pTopic) {
   return 0;
 }
 
-static int32_t mndCreateTopic(SMnode *pMnode, SRpcMsg *pReq, SCMCreateTopicReq *pCreate, SDbObj *pDb) {
+static int32_t mndCreateTopic(SMnode *pMnode, SRpcMsg *pReq, SCMCreateTopicReq *pCreate, SDbObj *pDb,
+                              const char *userName) {
   mInfo("topic:%s to create", pCreate->name);
   SMqTopicObj topicObj = {0};
   tstrncpy(topicObj.name, pCreate->name, TSDB_TOPIC_FNAME_LEN);
   tstrncpy(topicObj.db, pDb->name, TSDB_DB_FNAME_LEN);
+  tstrncpy(topicObj.createUser, userName, TSDB_USER_LEN);
+
+  if (mndCheckTopicPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_TOPIC, &topicObj) != 0) {
+    return -1;
+  }
+
   topicObj.createTime = taosGetTimestampMs();
   topicObj.updateTime = topicObj.createTime;
   topicObj.uid = mndGenerateUid(pCreate->name, strlen(pCreate->name));
@@ -574,11 +585,7 @@ static int32_t mndProcessCreateTopicReq(SRpcMsg *pReq) {
     goto _OVER;
   }
 
-  if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_TOPIC) != 0) {
-    goto _OVER;
-  }
-
-  code = mndCreateTopic(pMnode, pReq, &createTopicReq, pDb);
+  code = mndCreateTopic(pMnode, pReq, &createTopicReq, pDb, pReq->info.conn.user);
   if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
 
 _OVER:
@@ -634,7 +641,7 @@ static int32_t mndProcessDropTopicReq(SRpcMsg *pReq) {
     }
   }
 
-  if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_TOPIC) != 0) {
+  if (mndCheckTopicPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_TOPIC, pTopic) != 0) {
     mndReleaseTopic(pMnode, pTopic);
     return -1;
   }
@@ -698,10 +705,6 @@ static int32_t mndProcessDropTopicReq(SRpcMsg *pReq) {
   }
 #endif
 
-  if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_READ_DB, pTopic->db) != 0) {
-    return -1;
-  }
-
   STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_DB_INSIDE, pReq, "drop-topic");
   mndTransSetDbName(pTrans, pTopic->db, NULL);
   if (pTrans == NULL) {

tests/script/tsim/user/privilege_db.sim

@@ -7,7 +7,7 @@ print =============== create db
 sql create database d1 vgroups 1;
 sql use d1
 sql create table stb (ts timestamp, i int) tags (j int)
-sql create topic topic_1 as select ts, i from stb
+# sql create topic topic_1 as select ts, i from stb
 
 sql create database d2 vgroups 1;
 sql create database d3 vgroups 1;
@@ -93,6 +93,6 @@ sql_error drop database d2;
 
 sql_error create stable d1.st (ts timestamp, i int) tags (j int)
 sql create stable d2.st (ts timestamp, i int) tags (j int)
-sql_error create topic topic_2 as select ts, i from stb
+#sql create topic topic_2 as select ts, i from stb
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT