Fix sonarqube issues introduced by ZipSlip change

Fix major and critical sonarqube issues introduced by ZipSlip change
id I721f3d44b34fe6d242c9537f5a515ce1bb534c9a

Change-Id: I3aa2cd4116936d715baba99a38d43aa40fd62a29
Issue-ID: SDC-1401
Signed-off-by: andre.schmid <andre.schmid@est.tech>

1 files changed, 27 insertions, 20 deletions

diff --git a/common-app-api/src/main/java/org/openecomp/sdc/common/zip/ZipUtils.java b/common-app-api/src/main/java/org/openecomp/sdc/common/zip/ZipUtils.java
index d90377fc88..25f85badef 100644
--- a/common-app-api/src/main/java/org/openecomp/sdc/common/zip/ZipUtils.java
+++ b/common-app-api/src/main/java/org/openecomp/sdc/common/zip/ZipUtils.java
@@ -75,8 +75,8 @@ public class ZipUtils {
         String canonicalPath = null;
         try {
             canonicalPath = file.getCanonicalPath();
-        } catch (final IOException ignored) {
-            //ignored
+        } catch (final IOException ex) {
+            LOGGER.debug("Could not get canonical path of file '{}'", file.getPath(), ex);
         }
         if (canonicalPath != null && !canonicalPath.equals(file.getAbsolutePath())) {
             throw new ZipSlipException(filePath.toString());
@@ -170,26 +170,10 @@ public class ZipUtils {
         final Map<String, byte[]> filePathAndByteMap = new HashMap<>();
 
         try (final ZipInputStream inputZipStream = ZipUtils.getInputStreamFromBytes(zipFileBytes)) {
-            byte[] fileByteContent;
-            String currentEntryName;
             ZipEntry zipEntry;
             while ((zipEntry = inputZipStream.getNextEntry()) != null) {
-                checkForZipSlipInRead(zipEntry);
-                currentEntryName = zipEntry.getName();
-                fileByteContent = getBytes(inputZipStream);
-                if (zipEntry.isDirectory()) {
-                    if (hasToIncludeDirectories) {
-                        filePathAndByteMap.put(normalizeFolder(currentEntryName), null);
-                    }
-                } else {
-                    if (hasToIncludeDirectories) {
-                        final Path parentFolderPath = Paths.get(zipEntry.getName()).getParent();
-                        if (parentFolderPath != null) {
-                            filePathAndByteMap.putIfAbsent(normalizeFolder(parentFolderPath.toString()), null);
-                        }
-                    }
-                    filePathAndByteMap.put(currentEntryName, fileByteContent);
-                }
+                filePathAndByteMap
+                    .putAll(processZipEntryInRead(zipEntry, getBytes(inputZipStream), hasToIncludeDirectories));
             }
         } catch (final IOException e) {
             LOGGER.warn("Could not close the zip input stream", e);
@@ -198,6 +182,29 @@ public class ZipUtils {
         return filePathAndByteMap;
     }
 
+    private static Map<String, byte[]> processZipEntryInRead(final ZipEntry zipEntry,
+                                                             final byte[] inputStreamBytes,
+                                                             final boolean hasToIncludeDirectories) throws ZipException {
+        final Map<String, byte[]> filePathAndByteMap = new HashMap<>();
+        checkForZipSlipInRead(zipEntry);
+        if (zipEntry.isDirectory()) {
+            if (hasToIncludeDirectories) {
+                filePathAndByteMap.put(normalizeFolder(zipEntry.getName()), null);
+            }
+            return filePathAndByteMap;
+        }
+
+        if (hasToIncludeDirectories) {
+            final Path parentFolderPath = Paths.get(zipEntry.getName()).getParent();
+            if (parentFolderPath != null) {
+                filePathAndByteMap.putIfAbsent(normalizeFolder(parentFolderPath.toString()), null);
+            }
+        }
+        filePathAndByteMap.put(zipEntry.getName(), inputStreamBytes);
+
+        return filePathAndByteMap;
+    }
+
     /**
      * Adds a {@link File#separator} at the end of the folder path if not present.
      *