Add validations of possible malicious keys (#11966)

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kezhenxu94 2022-09-16 13:32:59 +08:00 committed by GitHub
parent 4ad34483a5
commit 5811b84fcc
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2 changed files with 19 additions and 2 deletions

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@ -26,8 +26,11 @@ import org.apache.commons.collections4.MapUtils;
import java.text.MessageFormat;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
import com.google.common.collect.Sets;
public abstract class AbstractDataSourceProcessor implements DataSourceProcessor {
private static final Pattern IPV4_PATTERN = Pattern.compile("^[a-zA-Z0-9\\_\\-\\.\\,]+$");
@ -38,6 +41,8 @@ public abstract class AbstractDataSourceProcessor implements DataSourceProcessor
private static final Pattern PARAMS_PATTER = Pattern.compile("^[a-zA-Z0-9\\-\\_\\/\\@\\.]+$");
private static final Set<String> POSSIBLE_MALICIOUS_KEYS = Sets.newHashSet("allowLoadLocalInfile");
@Override
public void checkDatasourceParam(BaseDataSourceParamDTO baseDataSourceParamDTO) {
checkHost(baseDataSourceParamDTO.getHost());
@ -76,6 +81,9 @@ public abstract class AbstractDataSourceProcessor implements DataSourceProcessor
if (MapUtils.isEmpty(other)) {
return;
}
if (!Sets.intersection(other.keySet(), POSSIBLE_MALICIOUS_KEYS).isEmpty()) {
throw new IllegalArgumentException("Other params include possible malicious keys.");
}
boolean paramsCheck = other.entrySet().stream().allMatch(p -> PARAMS_PATTER.matcher(p.getValue()).matches());
if (!paramsCheck) {
throw new IllegalArgumentException("datasource other params illegal");
@ -85,6 +93,7 @@ public abstract class AbstractDataSourceProcessor implements DataSourceProcessor
@Override
public String getDatasourceUniqueId(ConnectionParam connectionParam, DbType dbType) {
BaseConnectionParam baseConnectionParam = (BaseConnectionParam) connectionParam;
return MessageFormat.format("{0}@{1}@{2}@{3}", dbType.getDescp(), baseConnectionParam.getUser(), PasswordUtils.encodePassword(baseConnectionParam.getPassword()), baseConnectionParam.getJdbcUrl());
return MessageFormat.format("{0}@{1}@{2}@{3}", dbType.getDescp(), baseConnectionParam.getUser(),
PasswordUtils.encodePassword(baseConnectionParam.getPassword()), baseConnectionParam.getJdbcUrl());
}
}

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@ -43,4 +43,12 @@ public class AbstractDataSourceProcessorTest {
other.put("arg0", "%");
doThrow(new IllegalArgumentException()).when(mockDataSourceProcessor).checkOther(other);
}
}
@Test
public void shouldNotIncludeMaliciousParams() {
AbstractDataSourceProcessor mockDataSourceProcessor = mock(AbstractDataSourceProcessor.class);
Map<String, String> other = new HashMap<>();
other.put("allowLoadLocalInfile", "whatever");
doThrow(new IllegalArgumentException()).when(mockDataSourceProcessor).checkOther(other);
}
}