src/share/classes/jdk/nio/zipfs/ZipFileSystem.java

*** 39,48 ****
--- 39,50 ----
  import java.nio.file.*;
  import java.nio.file.attribute.*;
  import java.nio.file.spi.*;
  import java.security.AccessController;
  import java.security.PrivilegedAction;
+ import java.security.PrivilegedActionException;
+ import java.security.PrivilegedExceptionAction;
  import java.util.*;
  import java.util.concurrent.locks.ReadWriteLock;
  import java.util.concurrent.locks.ReentrantReadWriteLock;
  import java.util.regex.Pattern;
  import java.util.zip.CRC32;
*** 108,118 ****
                  throw new FileSystemNotFoundException(zfpath.toString());
              }
          }
          // sm and existence check
          zfpath.getFileSystem().provider().checkAccess(zfpath, AccessMode.READ);
!         if (!Files.isWritable(zfpath))
              this.readOnly = true;
          this.zc = ZipCoder.get(nameEncoding);
          this.defaultdir = new ZipPath(this, getBytes(defaultDir));
          this.ch = Files.newByteChannel(zfpath, READ);
          this.cen = initCEN();
--- 110,122 ----
                  throw new FileSystemNotFoundException(zfpath.toString());
              }
          }
          // sm and existence check
          zfpath.getFileSystem().provider().checkAccess(zfpath, AccessMode.READ);
!         boolean writeable = AccessController.doPrivileged(
!             (PrivilegedAction<Boolean>) () ->  Files.isWritable(zfpath));
!         if (!writeable)
              this.readOnly = true;
          this.zc = ZipCoder.get(nameEncoding);
          this.defaultdir = new ZipPath(this, getBytes(defaultDir));
          this.ch = Files.newByteChannel(zfpath, READ);
          this.cen = initCEN();
*** 260,272 ****
              for (InputStream is: copy)
                  is.close();
          }
          beginWrite();                   // lock and sync
          try {
!             sync();
              ch.close();                 // close the ch just in case no update
!         } finally {                     // and sync dose not close the ch
              endWrite();
          }
  
          synchronized (inflaters) {
              for (Inflater inf : inflaters)
--- 264,280 ----
              for (InputStream is: copy)
                  is.close();
          }
          beginWrite();                   // lock and sync
          try {
!             AccessController.doPrivileged((PrivilegedExceptionAction<Void>) () -> {
!                 sync(); return null;
!             });
              ch.close();                          // close the ch just in case no update
!         } catch (PrivilegedActionException e) {  // and sync dose not close the ch
!             throw (IOException)e.getException();
!         } finally {
              endWrite();
          }
  
          synchronized (inflaters) {
              for (Inflater inf : inflaters)
*** 279,290 ****
  
          IOException ioe = null;
          synchronized (tmppaths) {
              for (Path p: tmppaths) {
                  try {
!                     Files.deleteIfExists(p);
!                 } catch (IOException x) {
                      if (ioe == null)
                          ioe = x;
                      else
                          ioe.addSuppressed(x);
                  }
--- 287,300 ----
  
          IOException ioe = null;
          synchronized (tmppaths) {
              for (Path p: tmppaths) {
                  try {
!                     AccessController.doPrivileged(
!                         (PrivilegedExceptionAction<Boolean>)() -> Files.deleteIfExists(p));
!                 } catch (PrivilegedActionException e) {
!                     IOException x = (IOException)e.getException();
                      if (ioe == null)
                          ioe = x;
                      else
                          ioe.addSuppressed(x);
                  }