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src/sql/engine/cmd/ob_role_cmd_executor.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX SQL_ENG
+#include "sql/engine/cmd/ob_role_cmd_executor.h"
+
+#include "lib/encrypt/ob_encrypted_helper.h"
+#include "lib/string/ob_sql_string.h"
+#include "share/schema/ob_schema_struct.h"
+#include "share/ob_rpc_struct.h"
+#include "share/ob_common_rpc_proxy.h"
+#include "sql/resolver/dcl/ob_create_role_stmt.h"
+#include "sql/resolver/dcl/ob_drop_role_stmt.h"
+#include "sql/engine/ob_exec_context.h"
+#include "sql/engine/cmd/ob_user_cmd_executor.h"
+
+namespace oceanbase {
+using namespace common;
+using namespace obrpc;
+using namespace share::schema;
+namespace sql {
+
+int ObCreateRoleExecutor::execute(ObExecContext& ctx, ObCreateRoleStmt& stmt)
+{
+  int ret = OB_SUCCESS;
+  ObTaskExecutorCtx* task_exec_ctx = NULL;
+  obrpc::ObCommonRpcProxy* common_rpc_proxy = NULL;
+  const uint64_t tenant_id = stmt.get_tenant_id();
+  const ObString& role_name = stmt.get_role_name();
+  const ObString& pwd = stmt.get_password();
+  if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("get task executor context failed");
+  } else if (OB_ISNULL(common_rpc_proxy = task_exec_ctx->get_common_rpc())) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("get common rpc proxy failed");
+  } else {
+    ObCreateUserArg arg;
+    arg.tenant_id_ = tenant_id;
+    arg.exec_tenant_id_ = tenant_id;
+    ObSQLSessionInfo* mysession = ctx.get_my_session();
+    if (OB_ISNULL(mysession)) {
+      ret = OB_ERR_UNEXPECTED;
+      LOG_WARN("failed to get myssion", K(ret));
+    } else {
+      arg.creator_id_ = mysession->get_user_id();
+    }
+    ObUserInfo user_info;
+    user_info.set_tenant_id(tenant_id);
+    user_info.set_type(OB_ROLE);
+    user_info.set_host(OB_DEFAULT_HOST_NAME);
+    ObSArray<int64_t> failed_index;
+    ObString pwd_enc;
+    if (pwd.length() > 0) {
+      char enc_buf[ENC_BUF_LEN] = {0};
+      // user general encrypt of ob
+      if (OB_FAIL(ObCreateUserExecutor::encrypt_passwd(pwd, pwd_enc, enc_buf, ENC_BUF_LEN))) {
+        LOG_WARN("Encrypt password failed", K(ret));
+      } else if (OB_FAIL(user_info.set_passwd(pwd_enc))) {
+        LOG_WARN("set password failed", K(ret));
+      }
+    } else if (OB_FAIL(user_info.set_passwd(pwd_enc))) {
+      LOG_WARN("Failed to set password", K(ret));
+    }
+
+    if (OB_FAIL(ret)) {
+    } else if (OB_FAIL(user_info.set_user_name(role_name))) {
+      LOG_WARN("set user name failed", K(ret));
+    } else if (OB_FAIL(arg.user_infos_.push_back(user_info))) {
+      LOG_WARN("Add user info to array error", K(ret));
+    } else if (OB_FAIL(common_rpc_proxy->create_user(arg, failed_index))) {
+      LOG_WARN("Create user error", K(ret));
+    }
+  }
+  return ret;
+}
+
+int ObDropRoleExecutor::execute(ObExecContext& ctx, ObDropRoleStmt& stmt)
+{
+  int ret = OB_SUCCESS;
+  ObTaskExecutorCtx* task_exec_ctx = NULL;
+  obrpc::ObCommonRpcProxy* common_rpc_proxy = NULL;
+  const uint64_t tenant_id = stmt.get_tenant_id();
+  if (OB_INVALID_ID == tenant_id) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("tenant is invalid", K(ret));
+  } else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("get task executor context failed", K(ret));
+  } else if (NULL == (common_rpc_proxy = task_exec_ctx->get_common_rpc())) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("get common rpc proxy failed", K(ret));
+  } else {
+    ObDropUserArg& arg = static_cast<ObDropUserArg&>(stmt.get_ddl_arg());
+    arg.tenant_id_ = tenant_id;
+    arg.exec_tenant_id_ = tenant_id;
+    arg.is_role_ = true;
+    const ObString& role_name = stmt.get_role_name();
+    ObString host_name(OB_DEFAULT_HOST_NAME);
+    ObSArray<int64_t> failed_index;
+    if (OB_FAIL(arg.users_.push_back(role_name))) {
+      LOG_WARN("Add user name failed", K(ret));
+    } else if (OB_FAIL(arg.hosts_.push_back(host_name))) {
+      LOG_WARN("Add host name failed", K(ret));
+    } else if (OB_FAIL(common_rpc_proxy->drop_user(arg, failed_index)) || (0 != failed_index.count())) {
+      LOG_WARN("drop role failed", K(ret), K(role_name));
+      // ret = OB_CANNOT_USER;
+      // LOG_USER_ERROR(ret, strlen("DROP ROLE"), "DROP ROLE", role_name.length(), role_name.ptr());
+    }
+  }
+
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase