335 lines
14 KiB
Java
335 lines
14 KiB
Java
package org.gcube.common.authorization.client.proxy;
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import static org.gcube.common.authorization.client.Constants.CONTEXT_PARAM;
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import java.io.BufferedOutputStream;
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.net.ssl.HttpsURLConnection;
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import org.gcube.common.authorization.client.Binder;
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import org.gcube.common.authorization.client.Constants;
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import org.gcube.common.authorization.client.exceptions.ObjectNotFound;
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import org.gcube.common.authorization.library.AuthorizationEntry;
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import org.gcube.common.authorization.library.Policies;
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import org.gcube.common.authorization.library.QualifiersList;
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import org.gcube.common.authorization.library.enpoints.AuthorizationEndpoint;
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import org.gcube.common.authorization.library.enpoints.AuthorizationEndpointScanner;
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import org.gcube.common.authorization.library.enpoints.EndpointsContainer;
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import org.gcube.common.authorization.library.policies.Policy;
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import org.gcube.common.authorization.library.provider.ContainerInfo;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.authorization.library.provider.ServiceInfo;
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import org.gcube.common.authorization.library.provider.UserInfo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class DefaultAuthorizationProxy implements AuthorizationProxy {
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private static Logger log = LoggerFactory.getLogger(AuthorizationProxy.class);
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private static Map<String, AuthorizationEntryCache> cache = Collections.synchronizedMap(new HashMap<String, AuthorizationEntryCache>());
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private static EndpointsContainer endpoints;
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public DefaultAuthorizationProxy() {
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if (endpoints==null)
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endpoints = AuthorizationEndpointScanner.endpoints();
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}
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private String getInternalEnpoint(int infrastructureHash){
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AuthorizationEndpoint ae = getEndpoint(infrastructureHash);
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StringBuilder endpoint = new StringBuilder(ae.isSecureConnection()?"https://":"http://").append(ae.getHost()).append(":")
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.append(ae.getPort()).append("/authorization-service/gcube/service");
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return endpoint.toString();
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}
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@Override
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public String generateServiceToken(ServiceInfo client) throws Exception {
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String methodPath = "/token/service";
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int infrastructureHash = Utils.getInfrastructureHashFromToken(SecurityTokenProvider.instance.get(), endpoints.getDefaultInfrastructure());
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(infrastructureHash)).append(methodPath);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "PUT", true);
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setRequestProperty("Content-type", "application/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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Binder.getContext().createMarshaller().marshal(client, os);
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}
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log.debug("response code for "+callUrl.toString()+" is "+connection.getResponseCode()+" "+connection.getResponseMessage());
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if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
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String token= "";
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try(BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream)connection.getContent()))){
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StringBuilder result = new StringBuilder();
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String line;
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while((line = reader.readLine()) != null)
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result.append(line);
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token = result.toString();
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}
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return Utils.addInfrastructureHashToToken(token, infrastructureHash);
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}
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@Override
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public String generateUserToken(UserInfo client, String context) throws Exception {
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String methodPath = "/token/user";
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int infrastructureHash = Utils.getInfrastructureHashfromContext(context);
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(infrastructureHash)).append(methodPath).append("?")
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.append(CONTEXT_PARAM).append("=").append(context);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "PUT", false);
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setRequestProperty("Content-type", "application/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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Binder.getContext().createMarshaller().marshal(client, os);
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}
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log.debug("response code for "+callUrl.toString()+" is "+connection.getResponseCode()+" "+connection.getResponseMessage());
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if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
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String token= "";
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try(BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream)connection.getContent()))){
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StringBuilder result = new StringBuilder();
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String line;
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while((line = reader.readLine()) != null)
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result.append(line);
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token = result.toString();
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}
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return Utils.addInfrastructureHashToToken(token, infrastructureHash);
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}
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@Override
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public String generateApiKey(String apiQualifier) throws Exception {
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String methodPath = String.format("/apikey?qualifier=%s",apiQualifier);
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int infrastructureHash = Utils.getInfrastructureHashFromToken(SecurityTokenProvider.instance.get(), endpoints.getDefaultInfrastructure());
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(infrastructureHash)).append(methodPath);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "PUT", true);
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connection.setDoInput(true);
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connection.setDoOutput(true);
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connection.setFixedLengthStreamingMode(0);
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connection.setRequestProperty("Content-type", "application/xml");
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log.debug("response code for "+callUrl.toString()+" is "+connection.getResponseCode()+" "+connection.getResponseMessage());
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if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
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String token= "";
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try(BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream)connection.getContent()))){
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StringBuilder result = new StringBuilder();
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String line;
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while((line = reader.readLine()) != null)
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result.append(line);
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token = result.toString();
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}
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return Utils.addInfrastructureHashToToken(token, infrastructureHash);
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}
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@Override
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/**
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* return a map with key qualifier and value token
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*/
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public Map<String, String> retrieveApiKeys() throws Exception{
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String methodPath = "/apikey/";
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int infrastructureHash = Utils.getInfrastructureHashFromToken(SecurityTokenProvider.instance.get(), endpoints.getDefaultInfrastructure());
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(infrastructureHash)).append(methodPath);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "GET", true);
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connection.setDoInput(true);
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connection.setDoOutput(true);
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if (connection.getResponseCode()!=200) throw new Exception("error retrieving keys (error code is "+connection.getResponseCode()+")");
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if (connection.getContentLengthLong()<=0) return Collections.emptyMap();
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try(InputStream stream = (InputStream)connection.getContent();){
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QualifiersList entries = (QualifiersList)Binder.getContext().createUnmarshaller().unmarshal(stream);
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return entries.getQualifiers();
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}
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}
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@Override
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public String requestActivation(ContainerInfo container, String context) throws Exception {
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String methodPath = "/token/node";
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int infrastructureHash = Utils.getInfrastructureHashfromContext(context);
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StringBuilder callUrl =
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new StringBuilder(getInternalEnpoint(infrastructureHash)).append(methodPath).append("?")
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.append(CONTEXT_PARAM).append("=").append(context);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "PUT", false);
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setRequestProperty("Content-type", "application/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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Binder.getContext().createMarshaller().marshal(container, os);
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}
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log.debug("response code is "+connection.getResponseCode());
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if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
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String token= "";
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try(BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream)connection.getContent()))){
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StringBuilder result = new StringBuilder();
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String line;
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while((line = reader.readLine()) != null)
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result.append(line);
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token = result.toString();
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}
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return Utils.addInfrastructureHashToToken(token, infrastructureHash);
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}
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@Override
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public AuthorizationEntry get(String token) throws ObjectNotFound, Exception{
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String realToken = Utils.getRealToken(token);
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String maskedToken= String.format("%s********",realToken.substring(0, realToken.length()-8));
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int infrastructureHashFromToken = Utils.getInfrastructureHashFromToken(token, endpoints.getDefaultInfrastructure());
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AuthorizationEndpoint endpoint = getEndpoint(infrastructureHashFromToken);
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if (cache.containsKey(realToken) && cache.get(realToken).isValid(endpoint.getClientCacheValidity())){
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log.trace("valid entry found in cache for token {}, returning it",maskedToken);
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return cache.get(realToken).getEntry();
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} else
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log.trace("invalid entry found in cache for token {}, contacting auth service",maskedToken);
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final String methodPath = "/token/";
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(infrastructureHashFromToken))
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.append(methodPath).append(realToken);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "GET", false);
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connection.setDoInput(true);
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if (connection.getResponseCode()==404) throw new ObjectNotFound("token "+maskedToken+" not found");
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if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service (error code is "+connection.getResponseCode()+")");
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if (connection.getContentLengthLong()<=0) return null;
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try(InputStream stream = (InputStream)connection.getContent();){
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AuthorizationEntry entry = (AuthorizationEntry)Binder.getContext().createUnmarshaller().unmarshal(stream);
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if (entry!=null) cache.put(realToken, new AuthorizationEntryCache(entry));
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return entry;
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}
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}
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@Override
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public void addPolicies(List<Policy> policies) throws Exception {
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final String methodPath = "/policyManager";
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(Utils.getInfrastructureHashFromToken(SecurityTokenProvider.instance.get(), endpoints.getDefaultInfrastructure()))).append(methodPath);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "POST", true);
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connection.setDoOutput(true);
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connection.setRequestProperty("Content-type", "application/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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Binder.getContext().createMarshaller().marshal(new Policies(policies), os);
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}
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if (connection.getResponseCode()!=200) throw new Exception("error adding policies");
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}
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@Override
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public void removePolicies(long... ids) throws Exception {
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final String methodPath = "/policyManager/";
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(Utils.getInfrastructureHashFromToken(SecurityTokenProvider.instance.get(), endpoints.getDefaultInfrastructure()))).append(methodPath);
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List<Long> errorIds = new ArrayList<Long>();
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for (long id: ids){
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URL url = new URL(callUrl.toString()+id);
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HttpURLConnection connection = makeRequest(url, "DELETE", true);
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if (connection.getResponseCode()!=200) errorIds.add(id);
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}
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if (!errorIds.isEmpty())
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throw new Exception("error removing policies with ids: "+errorIds);
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}
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@Override
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public List<Policy> getPolicies(String context) throws Exception{
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final String methodPath = "/policyManager/";
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StringBuilder callUrl = new StringBuilder(getInternalEnpoint(Utils.getInfrastructureHashfromContext(context))).append(methodPath).append("?").append(CONTEXT_PARAM).append("=").append(context);
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "GET", true);
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connection.setDoInput(true);
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if (connection.getResponseCode()!=200) throw new Exception("error retrieving policies");
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if (connection.getContentLengthLong()<=0) return Collections.emptyList();
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try(InputStreamReader stream = new InputStreamReader((InputStream)connection.getContent())){
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Policies policies = (Policies)Binder.getContext().createUnmarshaller().unmarshal(stream);
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return policies.getPolicies();
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}
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}
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private HttpURLConnection makeRequest(URL url, String method, boolean includeTokenInHeader) throws Exception{
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HttpURLConnection connection;
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if (url.toString().startsWith("https://"))
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connection = (HttpsURLConnection)url.openConnection();
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else connection = (HttpURLConnection)url.openConnection();
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if (includeTokenInHeader){
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if (SecurityTokenProvider.instance.get()==null) throw new RuntimeException("null token passed");
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connection.setRequestProperty(Constants.TOKEN_HEADER_ENTRY,Utils.getRealToken(SecurityTokenProvider.instance.get()));
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}
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connection.setRequestMethod(method);
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return connection;
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}
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@Override
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public AuthorizationEndpoint getEndpoint(int infrastructureHash) {
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if (!endpoints.getEndpoints().containsKey(infrastructureHash))
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throw new RuntimeException("Authorization Endpoint not found for the required infrastructure");
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return endpoints.getEndpoints().get(infrastructureHash);
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}
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@Override
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public void setEndpoint(EndpointsContainer newEndpoints) {
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endpoints = newEndpoints;
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}
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}
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