/*
*
* Copyright 2011 Luca Molino (luca.molino--AT--assetdata.it)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.orientechnologies.orient.server.network.protocol.http.command.get;
import java.io.IOException;
import java.util.Date;
import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.core.id.ORecordId;
import com.orientechnologies.orient.core.record.impl.ORecordBytes;
import com.orientechnologies.orient.server.db.OSharedDocumentDatabase;
import com.orientechnologies.orient.server.network.protocol.http.OHttpRequest;
import com.orientechnologies.orient.server.network.protocol.http.OHttpUtils;
import com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandAuthenticatedDbAbstract;
/**
* @author luca.molino
*
*/
public class OServerCommandGetFileDownload extends OServerCommandAuthenticatedDbAbstract {
private static final String[] NAMES = { "GET|fileDownload/*" };
@Override
public boolean execute(OHttpRequest iRequest) throws Exception {
ODatabaseDocumentTx db = getProfiledDatabaseInstance(iRequest);
String[] urlParts = checkSyntax(iRequest.url, 3, "Syntax error: fileDownload/<database>/rid/[/<fileName>][/<fileType>].");
final String fileName = urlParts.length > 3 ? encodeResponseText(urlParts[3]) : "unknown";
final String fileType = urlParts.length > 5 ? encodeResponseText(urlParts[4]) + '/' + encodeResponseText(urlParts[5])
: (urlParts.length > 4 ? encodeResponseText(urlParts[4]) : "");
final String rid = urlParts[2];
iRequest.data.commandInfo = "Download";
iRequest.data.commandDetail = rid;
final ORecordBytes response;
try {
response = db.load(new ORecordId(rid));
if (response != null) {
sendBinaryFileContent(iRequest, OHttpUtils.STATUS_OK_CODE, OHttpUtils.STATUS_OK_DESCRIPTION, fileType, response, fileName);
} else {
sendTextContent(iRequest, OHttpUtils.STATUS_INVALIDMETHOD_CODE, "Record requested not exists", null,
OHttpUtils.CONTENT_TEXT_PLAIN, "Record requestes not exists");
}
} catch (Exception e) {
sendTextContent(iRequest, OHttpUtils.STATUS_INTERNALERROR, OHttpUtils.STATUS_ERROR_DESCRIPTION, null,
OHttpUtils.CONTENT_TEXT_PLAIN, e.getMessage());
} finally {
if (db != null)
OSharedDocumentDatabase.release(db);
}
return false;
}
protected void sendBinaryFileContent(final OHttpRequest iRequest, final int iCode, final String iReason,
final String iContentType, final ORecordBytes record, final String iFileName) throws IOException {
sendStatus(iRequest, iCode, iReason);
sendResponseHeaders(iRequest, iContentType);
writeLine(iRequest, "Content-Disposition: attachment; filename=" + iFileName);
writeLine(iRequest, "Date: " + new Date());
writeLine(iRequest, OHttpUtils.HEADER_CONTENT_LENGTH + (record.getSize()));
writeLine(iRequest, null);
record.toOutputStream(iRequest.channel.outStream);
iRequest.channel.flush();
}
@Override
public String[] getNames() {
return NAMES;
}
private String encodeResponseText(String iText) {
iText = new String(iText.replaceAll(" ", "%20"));
iText = new String(iText.replaceAll("&", "%26"));
return iText;
}
}