SIGA-876 Preserve unknown mimetypes defined in manifest.xml

Author: jukutr

siga-signature-service/src/main/java/ee/openeid/siga/service/signature/hashcode/HashcodeContainer.java

@@ -13,14 +13,14 @@
 import eu.europa.esig.dss.model.DSSException;
 import eu.europa.esig.dss.model.DigestDocument;
 import eu.europa.esig.dss.model.InMemoryDocument;
-import eu.europa.esig.dss.enumerations.MimeType;
 import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
 import org.apache.commons.compress.archivers.zip.ZipFile;
 import org.apache.commons.compress.utils.SeekableInMemoryByteChannel;
 import org.apache.commons.lang3.StringUtils;
 import org.digidoc4j.impl.asic.manifest.AsicManifest;
 import org.digidoc4j.impl.asic.manifest.ManifestEntry;
 import org.digidoc4j.impl.asic.manifest.ManifestParser;
+import org.digidoc4j.utils.MimeTypeUtil;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -236,7 +236,7 @@ private void validateFileSize(ZipArchiveEntry zipEntry) {
     private List<org.digidoc4j.DataFile> convertDataFiles() {
         return dataFiles.stream().map(d -> {
             DSSDocument dssDocument = new DigestDocument();
-            dssDocument.setMimeType(d.getMimeType() != null ? MimeType.fromMimeTypeString(d.getMimeType()) : MimeTypeEnum.BINARY);
+            dssDocument.setMimeType(d.getMimeType() != null ? MimeTypeUtil.fromMimeTypeString(d.getMimeType()) : MimeTypeEnum.BINARY);
             dssDocument.setName(d.getFileName());
             org.digidoc4j.DataFile dataFile = new org.digidoc4j.DataFile();
             dataFile.setDocument(dssDocument);

siga-signature-service/src/test/java/ee/openeid/siga/service/signature/hashcode/HashcodeContainerTest.java

@@ -32,6 +32,7 @@
 import static ee.openeid.siga.service.signature.test.RequestUtil.SIGNED_HASHCODE;
 import static ee.openeid.siga.service.signature.test.RequestUtil.SIGNED_HASHCODE_SEVERAL_DATAFILES;
 import static ee.openeid.siga.service.signature.test.RequestUtil.SIGNED_HASHCODE_SEVERAL_DATAFILES_RANDOM_ORDER;
+import static ee.openeid.siga.service.signature.test.RequestUtil.UNKNOWN_MIMETYPES_DEFINED_IN_MANIFEST;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNull;
@@ -231,6 +232,25 @@ void manifestHasDifferentFileNameOrder() throws URISyntaxException, IOException
         assertEquals("test2.txt", hashcodeContainer.getDataFiles().get(2).getFileName());
     }
 
+    @Test
+    void shouldUseExistingMimetypeFromManifestForUnknownMimetype() throws URISyntaxException, IOException {
+        HashcodeContainer hashcodeContainer = new HashcodeContainer();
+        byte[] container = TestUtil.getFile(UNKNOWN_MIMETYPES_DEFINED_IN_MANIFEST);
+        hashcodeContainer.open(container);
+        HashcodeContainer newContainer;
+        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
+            hashcodeContainer.save(outputStream);
+            newContainer = new HashcodeContainer();
+            newContainer.open(outputStream.toByteArray());
+        }
+
+        assertEquals(2, newContainer.getDataFiles().size());
+        assertEquals("text_file.txt", newContainer.getDataFiles().get(0).getFileName());
+        assertEquals("text/plain", newContainer.getDataFiles().get(0).getMimeType());
+        assertEquals("word_file.docx", newContainer.getDataFiles().get(1).getFileName());
+        assertEquals("application/vnd.openxmlformats-officedocument.wordprocessingml.document", newContainer.getDataFiles().get(1).getMimeType());
+    }
+
     @Test
     void couldNotAddDataFileWhenSignatureExists() throws URISyntaxException, IOException {
         HashcodeContainer hashcodeContainer = new HashcodeContainer();

siga-signature-service/src/test/java/ee/openeid/siga/service/signature/test/RequestUtil.java

@@ -58,6 +58,7 @@ public class RequestUtil {
     public static final String DIFFERENT_SHA256_ORDER = "different_sha256_filename_order.asice";
     public static final String DIFFERENT_SHA512_ORDER = "different_sha512_filename_order.asice";
     public static final String DIFFERENT_MANIFEST_ORDER = "different_manifest_filename_order.asice";
+    public static final String UNKNOWN_MIMETYPES_DEFINED_IN_MANIFEST = "hashcode_container_unsigned_with_txt_and_docx.asice";
     public static final String DOCUMENT_NUMBER = "PNOEE-123456789-QWER";
     public static final String CONTAINER_ID = "23423423-234234234-324234-4234";
     public static final String CONTAINER_SESSION_ID = "v1_user_name_23423423-234234234-324234-4234";