Mirrors/Stirling-PDF
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Introduced protections against "zip slip" attacks

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This commit is contained in:
pixeebot[bot] 2024-02-01 22:41:49 +00:00
parent 68d390e633
commit e20f4fe31a
2 changed files with 4 additions and 2 deletions
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3
src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java
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@ -1,5 +1,6 @@
package stirling.software.SPDF.controller.api.pipeline; package stirling.software.SPDF.controller.api.pipeline;
import io.github.pixee.security.ZipSecurity;
import java.io.ByteArrayInputStream; import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream; import java.io.ByteArrayOutputStream;
import java.io.File; import java.io.File;
@ -356,7 +357,7 @@ public class PipelineProcessor {
List<Resource> unzippedFiles = new ArrayList<>(); List<Resource> unzippedFiles = new ArrayList<>();
try (ByteArrayInputStream bais = new ByteArrayInputStream(data); try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
ZipInputStream zis = new ZipInputStream(bais)) { ZipInputStream zis = ZipSecurity.createHardenedInputStream(bais)) {
ZipEntry entry; ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) { while ((entry = zis.getNextEntry()) != null) {

3
src/main/java/stirling/software/SPDF/utils/FileToPdf.java
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@ -1,5 +1,6 @@
package stirling.software.SPDF.utils; package stirling.software.SPDF.utils;
import io.github.pixee.security.ZipSecurity;
import java.io.ByteArrayInputStream; import java.io.ByteArrayInputStream;
import java.io.IOException; import java.io.IOException;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
@ -144,7 +145,7 @@ public class FileToPdf {
private static Path unzipAndGetMainHtml(byte[] fileBytes) throws IOException { private static Path unzipAndGetMainHtml(byte[] fileBytes) throws IOException {
Path tempDirectory = Files.createTempDirectory("unzipped_"); Path tempDirectory = Files.createTempDirectory("unzipped_");
try (ZipInputStream zipIn = new ZipInputStream(new ByteArrayInputStream(fileBytes))) { try (ZipInputStream zipIn = ZipSecurity.createHardenedInputStream(new ByteArrayInputStream(fileBytes))) {
ZipEntry entry = zipIn.getNextEntry(); ZipEntry entry = zipIn.getNextEntry();
while (entry != null) { while (entry != null) {
Path filePath = tempDirectory.resolve(entry.getName()); Path filePath = tempDirectory.resolve(entry.getName());