public S3Response handleRequest(S3DeleteObjectRequest request) {
// Verify that the bucket and object exist
S3Response response = new S3Response();
String bucketName = request.getBucketName();
SBucketVO sbucket = bucketDao.getByName(bucketName);
if (sbucket == null) {
response.setResultCode(404);
response.setResultDescription("<Code>Bucket doesn't exists</Code><Message>Bucket " + bucketName + " does not exist</Message>");
return response;
}
String nameKey = request.getKey();
SObjectVO sobject = objectDao.getByNameKey(sbucket, nameKey);
if (sobject == null) {
response.setResultCode(404);
response.setResultDescription("<Code>Not Found</Code><Message>No object with key " + nameKey + " exists in bucket " + bucketName + "</Message>");
return response;
}
// Discover whether versioning is enabled. If so versioning requires the setting of a deletion marker.
String storedPath = null;
SObjectItemVO item = null;
int versioningStatus = sbucket.getVersioningStatus();
if (SBucket.VERSIONING_ENABLED == versioningStatus) {
String wantVersion = request.getVersion();
S3PolicyContext context = new S3PolicyContext(PolicyActions.DeleteObjectVersion, bucketName);
context.setKeyName(nameKey);
context.setEvalParam(ConditionKeys.VersionId, wantVersion);
verifyAccess(context, "SBucket", sbucket.getId(), SAcl.PERMISSION_WRITE);
if (null == wantVersion) {
// If versioning is on and no versionId is given then we just write a deletion marker
sobject.setDeletionMark(UUID.randomUUID().toString());
objectDao.update(sobject.getId(), sobject);
response.setResultDescription("<DeleteMarker>true</DeleteMarker><DeleteMarkerVersionId>" + sobject.getDeletionMark() + "</DeleteMarkerVersionId>");
} else {
// Otherwise remove the deletion marker if this has been set
String deletionMarker = sobject.getDeletionMark();
if (null != deletionMarker && wantVersion.equalsIgnoreCase(deletionMarker)) {
sobject.setDeletionMark(null);
objectDao.update(sobject.getId(), sobject);
response.setResultDescription("<VersionId>" + wantVersion + "</VersionId>");
response.setResultDescription("<DeleteMarker>true</DeleteMarker><DeleteMarkerVersionId>" + sobject.getDeletionMark() + "</DeleteMarkerVersionId>");
response.setResultCode(204);
return response;
}
// If versioning is on and the versionId is given (non-null) then delete the object matching that version
if (null == (item = sobject.getVersion(wantVersion))) {
response.setResultCode(404);
return response;
} else {
// Providing versionId is non-null, then just delete the one item that matches the versionId from the database
storedPath = item.getStoredPath();
sobject.deleteItem(item.getId());
objectDao.update(sobject.getId(), sobject);
response.setResultDescription("<VersionId>" + wantVersion + "</VersionId>");
}
}
} else { // If versioning is off then we do delete the null object
S3PolicyContext context = new S3PolicyContext(PolicyActions.DeleteObject, bucketName);
context.setKeyName(nameKey);
verifyAccess(context, "SBucket", sbucket.getId(), SAcl.PERMISSION_WRITE);
if (null == (item = sobject.getLatestVersion(true))) {
response.setResultCode(404);
response.setResultDescription("<Code>AccessDenied</Code><Message>Access Denied</Message>");
return response;