Files
vpd-permission-poc/src/main/java/com/cloudhandson/vpdbackoffice/service/SecuritySqlScriptService.java

108 lines
3.9 KiB
Java

package com.cloudhandson.vpdbackoffice.service;
import com.cloudhandson.vpdbackoffice.config.SecuritySqlScriptProperties;
import com.cloudhandson.vpdbackoffice.domain.securityscript.SecuritySqlScript;
import com.cloudhandson.vpdbackoffice.domain.securityscript.SecuritySqlScriptSummary;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.regex.Pattern;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Service;
/**
* Read-only catalogue of security deployment SQL bundled from the Git-tracked
* sql/adb directory. Script ids are an application whitelist: request input
* never becomes a filesystem or classpath path.
*/
@Service
public class SecuritySqlScriptService {
private static final Pattern SCRIPT_ID = Pattern.compile("[a-z][a-z0-9-]{0,63}");
private static final Pattern RESOURCE_PATH = Pattern.compile(
"(?:[A-Za-z0-9][A-Za-z0-9_-]*/)*[A-Za-z0-9][A-Za-z0-9._-]*\\.sql"
);
private final List<ScriptDefinition> scripts;
public SecuritySqlScriptService(SecuritySqlScriptProperties properties, ObjectMapper objectMapper) {
scripts = parse(properties.scripts(), objectMapper);
}
public List<SecuritySqlScriptSummary> list() {
return scripts.stream()
.map(definition -> new SecuritySqlScriptSummary(
definition.scriptId(),
definition.category(),
definition.fileName(),
definition.title(),
definition.description()
))
.toList();
}
public SecuritySqlScript find(String scriptId) {
ScriptDefinition definition = scripts.stream()
.filter(candidate -> candidate.scriptId().equals(scriptId))
.findFirst()
.orElseThrow(() -> new AppException("조회할 수 없는 보안 SQL 스크립트입니다."));
return new SecuritySqlScript(
definition.scriptId(),
definition.category(),
definition.fileName(),
definition.title(),
definition.description(),
readSource(definition.fileName())
);
}
private String readSource(String fileName) {
ClassPathResource resource = new ClassPathResource("sql/adb/" + fileName);
try (InputStream input = resource.getInputStream()) {
return new String(input.readAllBytes(), StandardCharsets.UTF_8);
} catch (IOException exception) {
throw new AppException("배포된 보안 SQL 스크립트를 읽을 수 없습니다: " + fileName);
}
}
private List<ScriptDefinition> parse(String raw, ObjectMapper objectMapper) {
if (raw == null || raw.isBlank()) {
return List.of();
}
try {
List<ScriptDefinition> parsed = objectMapper.readValue(raw, new TypeReference<>() {});
if (parsed.isEmpty() || parsed.stream().map(ScriptDefinition::scriptId).distinct().count() != parsed.size()) {
throw new IllegalArgumentException();
}
parsed.forEach(this::validate);
return List.copyOf(parsed);
} catch (Exception exception) {
throw new IllegalStateException("BACKOFFICE_SECURITY_SQL_SCRIPTS 설정을 확인하세요.", exception);
}
}
private void validate(ScriptDefinition definition) {
if (definition == null
|| definition.scriptId() == null || !SCRIPT_ID.matcher(definition.scriptId()).matches()
|| definition.fileName() == null || !RESOURCE_PATH.matcher(definition.fileName()).matches()
|| blank(definition.category()) || blank(definition.title()) || blank(definition.description())) {
throw new IllegalArgumentException();
}
}
private boolean blank(String value) {
return value == null || value.isBlank();
}
public record ScriptDefinition(
String scriptId,
String category,
String fileName,
String title,
String description
) {
}
}