public String[] setAcl(String bucketNameToShare, String[] canonicalId, String permission)
throws StorageCloudException {
boolean withRead = false;
if (bucketNameToShare != null) {
bucketNameToShare = bucketNameToShare.concat(location);
if (!conn.doesBucketExist(bucketNameToShare)) {
conn.createBucket(bucketNameToShare, region);
}
} else {
return null;
}
// set acl
AccessControlList acl = conn.getBucketAcl(bucketNameToShare);
for (int i = 0; i < canonicalId.length; i++) {
if (permission.equals("rw")) {
CanonicalGrantee grantee = new CanonicalGrantee(canonicalId[i]);
acl.grantPermission(grantee, Permission.Read);
acl.grantPermission(grantee, Permission.Write);
withRead = true;
} else if (permission.equals("r")) {
acl.grantPermission(new CanonicalGrantee(canonicalId[i]), Permission.Read);
withRead = true;
} else if (permission.equals("w")) {
acl.grantPermission(new CanonicalGrantee(canonicalId[i]), Permission.Write);
}
}
try {
if (withRead) {
ObjectListing objectListing = conn.listObjects(bucketNameToShare);
AccessControlList aclKeys = null;
for (S3ObjectSummary elem : objectListing.getObjectSummaries()) {
aclKeys = conn.getObjectAcl(bucketNameToShare, elem.getKey());
for (int i = 0; i < canonicalId.length; i++) {
aclKeys.grantPermission(new CanonicalGrantee(canonicalId[i]), Permission.Read);
}
conn.setObjectAcl(bucketNameToShare, elem.getKey(), aclKeys);
}
}
// confirm if acl well
conn.setBucketAcl(bucketNameToShare, acl);
AccessControlList newAcl = conn.getBucketAcl(bucketNameToShare);
Set<Grant> grants = newAcl.getGrants();
boolean flag = false;
for (Grant grant : grants) {
if (grant.getGrantee().getIdentifier().equals(canonicalId[0])) {
flag = true;
}
}
if (!flag) {
throw new ServiceSiteException("AWSS3Exception:: ACL");
}
} catch (AmazonServiceException e1) {
throw new ServiceSiteException("AWSS3Exception::" + e1.getMessage());
} catch (AmazonClientException e2) {
throw new ClientServiceException("AWSS3Exception::" + e2.getMessage());
}
return canonicalId;
}
/** writes the value 'data' in the file 'id' */
public String uploadData(String bucketName, byte[] data, String fileId, String[] canonicalIDs)
throws StorageCloudException {
try {
ObjectMetadata metadata = new ObjectMetadata();
metadata.setContentLength(data.length);
ByteArrayInputStream in = new ByteArrayInputStream(data);
if (bucketName != null) {
bucketName = bucketName.concat(location);
if (!conn.doesBucketExist(bucketName)) {
conn.createBucket(bucketName, region);
}
if (canonicalIDs != null) {
AccessControlList acl = new AccessControlList();
for (int i = 0; i < canonicalIDs.length; i++) {
acl.grantPermission(new CanonicalGrantee(canonicalIDs[i]), Permission.Read);
}
conn.putObject(
new PutObjectRequest(bucketName, fileId, in, metadata).withAccessControlList(acl));
} else {
conn.putObject(new PutObjectRequest(bucketName, fileId, in, metadata));
}
} else {
conn.putObject(new PutObjectRequest(defaultBucketName, fileId, in, metadata));
}
in.close();
return fileId;
} catch (AmazonServiceException e1) {
throw new ServiceSiteException("AWSS3Exception::" + e1.getMessage());
} catch (AmazonClientException e2) {
throw new ClientServiceException("AWSS3Exception::" + e2.getMessage());
} catch (IOException e3) {
e3.printStackTrace();
throw new StorageCloudException("AWSS3Exception::" + e3.getMessage());
}
}