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uri-resolver
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integrated url validation 

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-transfer/uri-resolver@101618 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Francesco Mangiacrapa 2014-11-14 14:01:33 +00:00
parent d3b01364d2
commit b75e4a8692
1 changed files with 41 additions and 15 deletions
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52
src/main/java/org/gcube/datatransfer/resolver/http/HttpResolver.java
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@ -24,13 +24,16 @@ import org.slf4j.LoggerFactory;
/** /**
* *
* @author Andrea Manzi(CERN) * @author Andrea Manzi(CERN)
* updated by Francesco Mangiacrapa
*
* *
*/ */
public class HttpResolver extends HttpServlet { public class HttpResolver extends HttpServlet {
String uri =null; protected static final String SMP_URI = "smp-uri";
String fileName =null; protected static final String VALIDATION = "validation";
String contentType =null; protected static final String CONTENT_TYPE = "contentType";
protected static final String FILE_NAME = "fileName";
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
@ -45,13 +48,14 @@ public class HttpResolver extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
String uri =null;
String fileName =null;
String contentType =null;
boolean validatingURI = false;
logger.info("The http session id is: " + request.getSession().getId()); // logger.info("The http session id is: " + request.getSession().getId());
logger.debug("Original URI = "+ uri); uri = request.getParameter(SMP_URI);
uri = request.getParameter("smp-uri");
if (uri == null || uri.equals("")) { if (uri == null || uri.equals("")) {
logger.debug("URI not found"); logger.debug("URI not found");
@ -59,7 +63,7 @@ public class HttpResolver extends HttpServlet {
return; return;
} }
fileName = request.getParameter("fileName"); fileName = request.getParameter(FILE_NAME);
if (fileName == null || fileName.equals("")) { if (fileName == null || fileName.equals("")) {
@ -67,13 +71,17 @@ public class HttpResolver extends HttpServlet {
fileName = null; fileName = null;
} }
contentType = request.getParameter("contentType"); contentType = request.getParameter(CONTENT_TYPE);
if (contentType == null || contentType.equals("")) { if (contentType == null || contentType.equals("")) {
logger.debug("contentType not found"); logger.debug("contentType not found");
contentType = null; contentType = null;
} }
String validation = request.getParameter(VALIDATION);
validatingURI = Boolean.parseBoolean(validation);
logger.debug("validation? "+validatingURI);
//we should not unescape the filename with spaces //we should not unescape the filename with spaces
int index= uri.indexOf("?"); int index= uri.indexOf("?");
@ -124,6 +132,25 @@ public class HttpResolver extends HttpServlet {
return; return;
} }
//CASE InputStream NULL
if(in==null){
logger.warn("Input stream is null, sending status error 404");
sendErrorQuietly(response, 404);
return;
}
//CASE VALIDATION
if(validatingURI){
byte[] bytes = new byte[1]; //1B
int c = in.read(bytes);
logger.info(c+" byte read from InputStream");
if(c>0){
logger.info("at least 1 byte read, returning status 200");
IOUtils.closeQuietly(in);
response.setStatus(200);
return;
}
}
/* /*
IOUtils.copy(in, out); IOUtils.copy(in, out);
@ -133,8 +160,6 @@ public class HttpResolver extends HttpServlet {
in.close(); in.close();
*/ */
if(in!=null)
//CHANGED BY FRANCESCO M. //CHANGED BY FRANCESCO M.
try { try {
@ -148,7 +173,7 @@ public class HttpResolver extends HttpServlet {
throw e; //Sending Exceptions throw e; //Sending Exceptions
} catch (NullPointerException e) { } catch (NullPointerException e) {
logger.warn("NullPointerException: input stream is null, skipping printStrackTrace"); logger.warn("NullPointerException during copy, skipping printStrackTrace");
sendErrorQuietly(response, 404); sendErrorQuietly(response, 404);
} finally { } finally {
@ -171,6 +196,7 @@ public class HttpResolver extends HttpServlet {
if(response!=null){ if(response!=null){
try { try {
response.sendError(code); response.sendError(code);
logger.info("Response sent error: "+code);
} catch (IOException ioe) { } catch (IOException ioe) {
// ignore // ignore
} }