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116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
6 years ago
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package org.gcube.contentmanager.storageclient.model.protocol.smp;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import org.apache.commons.codec.binary.Base64;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.contentmanagement.blobstorage.service.IClient;
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import org.gcube.contentmanagement.blobstorage.service.operation.GetHttpUrl;
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import org.gcube.contentmanagement.blobstorage.service.operation.GetUrl;
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import org.gcube.contentmanager.storageclient.wrapper.AccessType;
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import org.gcube.contentmanager.storageclient.wrapper.Configuration;
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import org.gcube.contentmanager.storageclient.wrapper.MemoryType;
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import org.gcube.contentmanager.storageclient.wrapper.ISClientConnector;
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import org.gcube.contentmanager.storageclient.wrapper.StorageClient;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* This is invoked by the platform with a URL of the smp protocol with new format (>= 2.2.0 version) .
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* @author Roberto Cirillo (ISTI-CNR)
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*
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* Example: smp://data.gcube.org?uhdnfounhcfnshfnrhbvyaeegytf6dfawiuawgcyg
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*/
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public class SMPURLConnectionById extends SMPConnection {
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private Logger logger= LoggerFactory.getLogger(SMPURLConnectionOld.class);
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private String serviceClass="Storage-manager";
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private String serviceName="resolver-uri";
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private String owner="storage-manager";
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/**
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* Constructs a new instance for a given <code>sm</code> URL.
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* @param url the URL.
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*/
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public SMPURLConnectionById(URL url) {
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super(url);
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}
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public SMPConnection init(URL url){
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return new SMPURLConnectionById(url);
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}
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/**{@inheritDoc}
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* internal handler implementation
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* */
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@Override
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public synchronized InputStream getInputStream() throws IOException {
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if (!connected)
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this.connect();
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try {
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return storageClient(this.url.toString());
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}
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catch(Exception e) {
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IOException ioe = new IOException();
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ioe.initCause(e);
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throw ioe;
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}
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}
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/**
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* Get a StorageManager instance from url
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*/
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protected InputStream storageClient(String url) throws Exception {
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logger.info("url :" + url);
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String [] urlParam=url.split(GetUrl.URL_SEPARATOR);
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String protocol=urlParam[0];
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protocol=protocol.substring(0, protocol.length()-1);
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logger.debug("protocol is "+protocol);
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if(ScopeProvider.instance.get() == null){
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throw new RuntimeException("Scope not set");
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}
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String encrypted=retrieveStringEncrypted(urlParam);
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MemoryType memory=null;
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if(encrypted.contains(GetHttpUrl.VOLATILE_URL_IDENTIFICATOR)){
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memory=MemoryType.VOLATILE;
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encrypted=encrypted.replace(GetHttpUrl.VOLATILE_URL_IDENTIFICATOR, "");
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}
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logger.debug("String encrypted "+encrypted);
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String phrase=retrieveEncryptionPhrase();
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String location=null;
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if(Base64.isBase64(encrypted) && (protocol.equalsIgnoreCase("http"))){
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byte[] valueDecoded= Base64.decodeBase64(encrypted);
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String encryptedID = new String(valueDecoded);
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location=new StringDecrypter("DES", phrase).decrypt(encryptedID);
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}else{
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location=new StringDecrypter("DES", phrase).decrypt(encrypted);
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}
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IClient client=null;
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if(memory!=null)
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client=new StorageClient(serviceClass, serviceName, owner, AccessType.SHARED, memory).getClient();
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else
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client=new StorageClient(serviceClass, serviceName, owner, AccessType.SHARED).getClient();
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InputStream is=null;
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is=client.get().RFileAsInputStream(location);
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return is;
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}
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private String retrieveStringEncrypted(String[] urlParam) {
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String encrypted=urlParam[3];
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int i=4;
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while(i < urlParam.length){
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encrypted=encrypted+GetUrl.URL_SEPARATOR+urlParam[i];
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i++;
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}
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return encrypted;
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}
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}
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