private ServletAction routeRequest(HttpServletRequest request) {
// URL routing for S3 REST calls.
String pathInfo = request.getPathInfo();
String bucketName = null;
String key = null;
String serviceEndpoint = ServiceProvider.getInstance().getServiceEndpoint();
String host = request.getHeader("Host");
// Check for unrecognized forms of URI information in request
if ((pathInfo == null) || (pathInfo.indexOf('/') != 0))
if ("POST".equalsIgnoreCase(request.getMethod()))
// Case where request is POST operation with no pathinfo
// This is the POST alternative to PUT described at s3.amazonaws.com API doc page 141
{
return routePlainPostRequest(request);
}
// Irrespective of whether the requester is using subdomain or full host naming of path
// expressions
// to buckets, wherever the request is made up of a service endpoint followed by a /, in AWS S3
// this always
// conveys a ListAllMyBuckets command
if ((serviceEndpoint.equalsIgnoreCase(host)) && (pathInfo.equalsIgnoreCase("/"))) {
request.setAttribute(S3Constants.BUCKET_ATTR_KEY, "/");
return new S3BucketAction(); // for ListAllMyBuckets
}
// Because there is a leading / at position 0 of pathInfo, now subtract this to process the
// remainder
pathInfo = pathInfo.substring(1);
if (ServiceProvider.getInstance().getUseSubDomain()) {
// -> verify the format of the bucket name
int endPos = host.indexOf(ServiceProvider.getInstance().getMasterDomain());
if (endPos > 0) {
bucketName = host.substring(0, endPos);
S3Engine.verifyBucketName(bucketName, false);
request.setAttribute(S3Constants.BUCKET_ATTR_KEY, bucketName);
} else request.setAttribute(S3Constants.BUCKET_ATTR_KEY, "");
if (pathInfo == null || pathInfo.equalsIgnoreCase("/")) {
return new S3BucketAction();
} else {
String objectKey = pathInfo.substring(1);
request.setAttribute(S3Constants.OBJECT_ATTR_KEY, objectKey);
return new S3ObjectAction();
}
} else {
int endPos = pathInfo.indexOf('/'); // Subsequent / character?
if (endPos < 1) {
bucketName = pathInfo;
S3Engine.verifyBucketName(bucketName, false);
request.setAttribute(S3Constants.BUCKET_ATTR_KEY, bucketName);
return new S3BucketAction();
} else {
bucketName = pathInfo.substring(0, endPos);
key = pathInfo.substring(endPos + 1);
S3Engine.verifyBucketName(bucketName, false);
if (!key.isEmpty()) {
request.setAttribute(S3Constants.BUCKET_ATTR_KEY, bucketName);
request.setAttribute(S3Constants.OBJECT_ATTR_KEY, pathInfo.substring(endPos + 1));
return new S3ObjectAction();
} else {
request.setAttribute(S3Constants.BUCKET_ATTR_KEY, bucketName);
return new S3BucketAction();
}
}
}
}
