SNOW-1660409: Fix directory permission for GET (#2080)

Author: sfc-gh-dprzybysz

src/main/java/net/snowflake/client/jdbc/SnowflakeUtil.java

@@ -73,8 +73,8 @@ public class SnowflakeUtil {
   private static final SFLogger logger = SFLoggerFactory.getLogger(SnowflakeUtil.class);
   private static final ObjectMapper OBJECT_MAPPER = ObjectMapperFactory.getObjectMapper();
 
-  private static final Set<PosixFilePermission> ownerOnlyPermission =
-      PosixFilePermissions.fromString("rw-------");
+  private static final Set<PosixFilePermission> directoryOwnerOnlyPermission =
+      PosixFilePermissions.fromString("rwx------");
 
   /** Additional data types not covered by standard JDBC */
   public static final int EXTRA_TYPES_TIMESTAMP_LTZ = 50000;
@@ -922,7 +922,8 @@ public static boolean createOwnerOnlyPermissionDir(String location) {
     boolean isDirCreated = true;
     Path dir = Paths.get(location);
     try {
-      Files.createDirectory(dir, PosixFilePermissions.asFileAttribute(ownerOnlyPermission));
+      Files.createDirectory(
+          dir, PosixFilePermissions.asFileAttribute(directoryOwnerOnlyPermission));
     } catch (IOException e) {
       logger.error(
           "Failed to set OwnerOnly permission for {}. This may cause the file download to fail ",

src/test/java/net/snowflake/client/jdbc/SnowflakeUtilTest.java

@@ -139,7 +139,7 @@ public void testCreateOwnerOnlyPermissionDir(@TempDir Path tempDir)
     assertTrue(tmp.toFile().isDirectory());
     PosixFileAttributes attributes = Files.readAttributes(tmp, PosixFileAttributes.class);
     Set<PosixFilePermission> permissions = attributes.permissions();
-    assertEquals(PosixFilePermissions.toString(permissions), "rw-------");
+    assertEquals(PosixFilePermissions.toString(permissions), "rwx------");
   }
 
   @Test