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This commit is contained in:
Nikita Mikhaylov 2024-11-19 00:20:51 +00:00
parent dc88b973e9
commit 36902c66a0
5 changed files with 16 additions and 48 deletions
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14
src/Storages/StorageDictionary.cpp
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@ -1,4 +1,5 @@
#include <Access/Common/AccessFlags.h>
#include <Access/ContextAccess.h>
#include <Storages/StorageDictionary.h>
#include <Storages/StorageFactory.h>
#include <DataTypes/DataTypesNumber.h>
@ -179,7 +180,18 @@ Pipe StorageDictionary::read(
{
auto registered_dictionary_name = location == Location::SameDatabaseAndNameAsDictionary ? getStorageID().getInternalDictionaryName() : dictionary_name;
auto dictionary = getContext()->getExternalDictionariesLoader().getDictionary(registered_dictionary_name, local_context);
local_context->checkAccess(AccessType::dictGet | AccessType::SELECT, dictionary->getDatabaseOrNoDatabaseTag(), dictionary->getDictionaryID().getTableName());
/**
* For backward compatibility reasons we require either SELECT or dictGet permission to read directly from the dictionary.
* If none of these conditions are met - we ask to grant a dictGet.
*/
bool has_dict_get = local_context->getAccess()->isGranted(
AccessType::dictGet, dictionary->getDatabaseOrNoDatabaseTag(), dictionary->getDictionaryID().getTableName());
bool has_select = local_context->getAccess()->isGranted(
AccessType::SELECT, dictionary->getDatabaseOrNoDatabaseTag(), dictionary->getDictionaryID().getTableName());
if (!has_dict_get && !has_select)
local_context->checkAccess(AccessType::dictGet, dictionary->getDatabaseOrNoDatabaseTag(), dictionary->getDictionaryID().getTableName());
return dictionary->read(column_names, max_block_size, threads);
}

2
tests/queries/0_stateless/03199_dictionary_table_access.reference
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@ -1,2 +0,0 @@
ACCESS_DENIED
ACCESS_DENIED

41
tests/queries/0_stateless/03199_dictionary_table_access.sh
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@ -1,41 +0,0 @@
#!/usr/bin/env bash
CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh
username="user_${CLICKHOUSE_TEST_UNIQUE_NAME}"
dictname="dict_${CLICKHOUSE_TEST_UNIQUE_NAME}"
dicttablename="dict_table_${CLICKHOUSE_TEST_UNIQUE_NAME}"
${CLICKHOUSE_CLIENT} -m --query "
CREATE DICTIONARY IF NOT EXISTS ${dictname}
(
id UInt64,
value UInt64
)
PRIMARY KEY id
SOURCE(NULL())
LAYOUT(FLAT())
LIFETIME(MIN 0 MAX 1000);
CREATE USER IF NOT EXISTS ${username} NOT IDENTIFIED;
GRANT SELECT, CREATE TEMPORARY TABLE ON *.* to ${username};
SELECT * FROM ${dictname};
CREATE TABLE ${dicttablename} (id UInt64, value UInt64)
ENGINE = Dictionary(${CLICKHOUSE_DATABASE}.${dictname});
SELECT * FROM ${dicttablename};
"
$CLICKHOUSE_CLIENT -m --user="${username}" --query "
SELECT * FROM ${dictname};
" 2>&1 | grep -o ACCESS_DENIED | uniq
$CLICKHOUSE_CLIENT -m --user="${username}" --query "
SELECT * FROM ${dicttablename};
" 2>&1 | grep -o ACCESS_DENIED | uniq
${CLICKHOUSE_CLIENT} -m --query "
DROP TABLE IF EXISTS ${dicttablename} SYNC;
DROP DICTIONARY IF EXISTS ${dictname};
DROP USER IF EXISTS ${username};
"

1
tests/queries/0_stateless/03273_dictionary_rbac.reference
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@ -2,4 +2,3 @@ Ok.
Ok.
Ok.
ACCESS_DENIED

6
tests/queries/0_stateless/03273_dictionary_rbac.sh
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@ -32,17 +32,17 @@ ${CLICKHOUSE_CLIENT} -nm --query "
# Reading from dictionary via direct SELECT is Ok.
$CLICKHOUSE_CLIENT -nm --user="${username}" --query "
SELECT * FROM ${dictname};
" 2>&1 > /dev/null && echo "Ok."
" >/dev/null 2>&1 && echo "Ok."
# Reading from dictionary via dictionary storage is Ok.
$CLICKHOUSE_CLIENT -nm --user="${username}" --query "
SELECT * FROM ${dicttablename};
" 2>&1 > /dev/null && echo "Ok."
" >/dev/null 2>&1 && echo "Ok."
# Reading from dictionary via dictionary table function is Ok.
$CLICKHOUSE_CLIENT -nm --user="${username}" --query "
SELECT * FROM dictionary(${dictname});
" 2>&1 > /dev/null && echo "Ok."
" >/dev/null 2>&1 && echo "Ok."
# Function dictGet requires a permission dictGet to use.
$CLICKHOUSE_CLIENT -nm --user="${username}" --query "