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uri-resolver
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in progress on WekeoResolver

This commit is contained in:
Francesco Mangiacrapa 2021-03-31 18:02:54 +02:00
parent 2c3538caf4
commit c3f0a7663f
5 changed files with 191 additions and 61 deletions
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1
.classpath
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@ -29,6 +29,5 @@
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="var" path="GCUBE_DEV_KEYS"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>

126
src/main/java/org/gcube/datatransfer/resolver/services/WekeoResolver.java
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@ -3,6 +3,8 @@ package org.gcube.datatransfer.resolver.services;
import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.util.Collection;
import java.util.List;
@ -13,6 +15,15 @@ import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
import org.gcube.common.encryption.StringEncrypter;
import org.gcube.common.resources.gcore.ServiceEndpoint;
@ -58,7 +69,7 @@ public class WekeoResolver {
public Response getToken(@Context HttpServletRequest req) throws WebApplicationException{
logger.info(this.getClass().getSimpleName()+" getToken starts...");
String wekeoToken = "";
String wekeoToken = null;
try {
@ -73,15 +84,64 @@ public class WekeoResolver {
throw ExceptionManager.unauthorizedException(req, "You are not authorized. You must pass a token of VRE", this.getClass(), helpURI);
}
List<ServiceEndpoint> endPoints = getConfigurationFromIS();
AccessPoint wekeoAccessPoint = readWekeoServiceEndpoint(req, scope);
if(endPoints==null || endPoints.size()==0) {
String error = String.format("Missing the RR with Name '%s' and Category '%s' in the scope '%s'. Please contact the support.",RUNTIME_WKEO_RESOURCE_NAME,CATEGORY_WEKEO_TYPE,scope);
throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
if(wekeoAccessPoint!=null) {
String wekeoUsername = wekeoAccessPoint.username();
String wekeoAddress = wekeoAccessPoint.address();
String wekeoPwd = wekeoAccessPoint.password();
//printing the access point found
if(logger.isDebugEnabled()) {
String msg = String.format("Found the username %s and the address %s to perform the request", wekeoUsername, wekeoAddress);
logger.debug(msg);
}
//decrypting the pwd
if(wekeoPwd!=null){
wekeoPwd = StringEncrypter.getEncrypter().decrypt(wekeoAccessPoint.password());
logger.info("Returning decrypted pwd registered into "+RUNTIME_WKEO_RESOURCE_NAME +" SE: "+wekeoPwd.substring(0,wekeoPwd.length()/2)+"....");
}
if(wekeoUsername!=null && wekeoPwd!=null & wekeoAddress!=null) {
try {
//performing the HTTP request with Basic Authentication
CredentialsProvider provider = new BasicCredentialsProvider();
UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(wekeoUsername, wekeoPwd);
provider.setCredentials(AuthScope.ANY, credentials);
HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
logger.info("calling the URL and performing basic authentication to: "+wekeoAddress);
HttpResponse response = client.execute(new HttpGet(wekeoAddress));
int statusCode = response.getStatusLine().getStatusCode();
logger.info("the response stus code is: "+statusCode);
if(statusCode == 200) {
InputStream is = response.getEntity().getContent();
BufferedInputStream bif = new BufferedInputStream(is);
wekeoToken = bif.toString();
logger.info("got the wekeo token: "+wekeoToken.substring(0,wekeoToken.length()/2)+"....");
}else {
String error = String.format("The request to %s returned status code %d",wekeoAddress,statusCode);
throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
}
}catch (Exception e) {
String error = String.format("Error on performing request to %s",wekeoAddress);
throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
}
}else {
String error = String.format("I cannot read the configurations (adress, username,password) from %s in the scope %s",RUNTIME_WKEO_RESOURCE_NAME,scope);
throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
}
}
String wekeoEndPoint = readWekeoServiceEndpoint(req, scope);
//to be sure
if(wekeoToken==null) {
String error = String.format("Sorry an rrror occured on getting the wekeo token. Please, retry the request");
throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
}
return Response.ok(wekeoToken).build();
}catch (Exception e) {
@ -92,24 +152,6 @@ public class WekeoResolver {
}
/**
* Retrieve the wekeo endpoint information from IS.
*
* @return list of endpoints for ckan database
* @throws Exception the exception
*/
private static List<ServiceEndpoint> getConfigurationFromIS() throws Exception{
SimpleQuery query = queryFor(ServiceEndpoint.class);
query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_WKEO_RESOURCE_NAME +"'");
query.addCondition("$resource/Profile/Cateogory/Name/text() eq '"+ CATEGORY_WEKEO_TYPE +"'");
DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
List<ServiceEndpoint> toReturn = client.submit(query);
return toReturn;
}
/**
* Reads the wekeo endpoint information from IS. {The SE name is: @link WekeoResolver#RUNTIME_WKEO_RESOURCE_NAME}
*
@ -117,10 +159,9 @@ public class WekeoResolver {
* @param scope the scope
* @return the string
*/
private static String readWekeoServiceEndpoint(HttpServletRequest req, String scope){
public static AccessPoint readWekeoServiceEndpoint(HttpServletRequest req, String scope){
String callerScope = null;
String gCubeAppToken = null;
try{
callerScope = ScopeProvider.instance.get();
ScopeProvider.instance.set(scope);
@ -141,37 +182,22 @@ public class WekeoResolver {
throw ExceptionManager.internalErrorException(req, errorMessage, AnalyticsCreateResolver.class, helpURI);
}
String wekeoUsername = null;
String wekeoPwd = null;
ServiceEndpoint se = toReturn.get(0);
Collection<AccessPoint> theAccessPoints = se.profile().accessPoints().asCollection();
for (AccessPoint accessPoint : theAccessPoints) {
Collection<Property> properties = accessPoint.properties().asCollection();
for (Property property : properties) {
// if(property.name().equalsIgnoreCase(GCUBE_TOKEN)){
// logger.info("gcube-token as property was found, returning it");
// gCubeAppToken = property.value();
// break;
// }
wekeoUsername = accessPoint.username();
wekeoPwd = accessPoint.password();
if(wekeoUsername!=null && wekeoPwd!=null) {
logger.info("returning the access point with name: "+accessPoint.name());
return accessPoint;
}
if(gCubeAppToken!=null)
break;
}
if(gCubeAppToken!=null){
String decryptedPassword = StringEncrypter.getEncrypter().decrypt(gCubeAppToken);
logger.info("Returning decrypted Application Token registered into "+RUNTIME_WKEO_RESOURCE_NAME +" SE: "+decryptedPassword.substring(0,decryptedPassword.length()/2)+"....");
return decryptedPassword;
}
return null;
//
// String errorMessage = "No "+GCUBE_TOKEN+" as Property saved in the "+RUNTIME_WKEO_RESOURCE_NAME+" SE registered in the scope: "+ScopeProvider.instance.get();
// logger.error(errorMessage);
// throw ExceptionManager.internalErrorException(req, errorMessage, AnalyticsCreateResolver.class, helpURI);
}catch(Exception e){
String errorMessage = "Error occurred on reading the "+RUNTIME_WKEO_RESOURCE_NAME+" SE registered in the scope: "+ScopeProvider.instance.get();
logger.error(errorMessage, e);

10
src/main/java/org/gcube/datatransfer/resolver/util/HttpRequestUtil.java
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@ -120,14 +120,4 @@ public class HttpRequestUtil {
return false;
}
/**
* The main method.
*
* @param args the arguments
* @throws Exception the exception
*/
public static void main(String[] args) throws Exception {
System.out.println(HttpRequestUtil.urlExists("http://geoserver2.d4science.research-infrastructures.eu/geoserver/wms", true));
}
}

114
src/test/java/org/gcube/datatransfer/test/WekeoResolverTest.java Normal file
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@ -0,0 +1,114 @@
package org.gcube.datatransfer.test;
import java.io.BufferedInputStream;
import java.io.InputStream;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.gcube.common.encryption.StringEncrypter;
import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
import org.gcube.datatransfer.resolver.services.WekeoResolver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class WekeoResolverTest.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* Mar 31, 2021
*/
public class WekeoResolverTest {
private static Logger logger = LoggerFactory.getLogger(WekeoResolverTest.class);
private final static String RUNTIME_WKEO_RESOURCE_NAME = "WekeoDataBroker";
public static final String scope = "/gcube/devsec/devVRE";
public static void main(String[] args) {
try {
logger.info("starts...");
String wekeoToken = null;
AccessPoint wekeoAccessPoint = WekeoResolver.readWekeoServiceEndpoint(null, scope);
if (wekeoAccessPoint != null) {
String wekeoUsername = wekeoAccessPoint.username();
String wekeoAddress = wekeoAccessPoint.address();
String wekeoPwd = wekeoAccessPoint.password();
// printing the access point found
if (logger.isDebugEnabled()) {
String msg = String.format("Found the username %s and the address %s to perform the request",
wekeoUsername, wekeoAddress);
logger.debug(msg);
}
// decrypting the pwd
if (wekeoPwd != null) {
wekeoPwd = StringEncrypter.getEncrypter().decrypt(wekeoAccessPoint.password());
logger.info("Returning decrypted pwd registered into " + RUNTIME_WKEO_RESOURCE_NAME + " SE: "
+ wekeoPwd.substring(0, wekeoPwd.length() / 2) + "....");
}
if (wekeoUsername != null && wekeoPwd != null & wekeoAddress != null) {
try {
// performing the HTTP request with Basic Authentication
CredentialsProvider provider = new BasicCredentialsProvider();
UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(wekeoUsername,
wekeoPwd);
provider.setCredentials(AuthScope.ANY, credentials);
HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
logger.info("calling the URL and performing basic authentication to: " + wekeoAddress);
HttpResponse response = client.execute(new HttpGet(wekeoAddress));
int statusCode = response.getStatusLine().getStatusCode();
logger.info("the response stus code is: " + statusCode);
if (statusCode == 200) {
InputStream is = response.getEntity().getContent();
BufferedInputStream bif = new BufferedInputStream(is);
wekeoToken = bif.toString();
logger.info("got the wekeo token: " + wekeoToken.substring(0, wekeoToken.length() / 2)
+ "....");
} else {
String error = String.format("The request to %s returned status code %d", wekeoAddress,
statusCode);
throw new Exception(error);
}
} catch (Exception e) {
String error = String.format("Error on performing request to %s", wekeoAddress);
throw new Exception(error);
}
} else {
String error = String.format(
"I cannot read the configurations (adress, username,password) from %s in the scope %s",
RUNTIME_WKEO_RESOURCE_NAME, scope);
throw new Exception(error);
}
}
// to be sure
if (wekeoToken == null) {
String error = String
.format("Sorry an rrror occured on getting the wekeo token. Please, retry the request");
throw new Exception(error);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
}

1
src/test/resources/.gitignore vendored
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@ -11,3 +11,4 @@
/gcube.gcubekey
/preprod.gcubekey
/pred4s.gcubekey
/log4j.properties