/*
*
* Copyright 2011 Luca Molino (molino.luca--AT--gmail.com*
* 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.metadata.schema.OProperty;
import com.orientechnologies.orient.core.metadata.schema.OType;
import com.orientechnologies.orient.core.record.ORecordAbstract;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.core.record.impl.ORecordBytes;
import com.orientechnologies.orient.server.network.protocol.http.OHttpRequest;
import com.orientechnologies.orient.server.network.protocol.http.OHttpResponse;
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, OHttpResponse iResponse) 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 ORecordAbstract response;
try {
response = db.load(new ORecordId(rid));
if (response != null) {
if (response instanceof ORecordBytes) {
sendORecordBinaryFileContent(iRequest, iResponse, OHttpUtils.STATUS_OK_CODE, OHttpUtils.STATUS_OK_DESCRIPTION, fileType,
(ORecordBytes) response, fileName);
} else if (response instanceof ODocument) {
for (OProperty prop : ((ODocument) response).getSchemaClass().properties()) {
if (prop.getType().equals(OType.BINARY))
sendBinaryFieldFileContent(iRequest, iResponse, OHttpUtils.STATUS_OK_CODE, OHttpUtils.STATUS_OK_DESCRIPTION,
fileType, (byte[]) ((ODocument) response).field(prop.getName()), fileName);
}
} else {
iResponse.send(OHttpUtils.STATUS_INVALIDMETHOD_CODE, "Record requested is not a file nor has a readable schema",
OHttpUtils.CONTENT_TEXT_PLAIN, "Record requested is not a file nor has a readable schema", null);
}
} else {
iResponse.send(OHttpUtils.STATUS_INVALIDMETHOD_CODE, "Record requested not exists", OHttpUtils.CONTENT_TEXT_PLAIN,
"Record requestes not exists", null);
}
} catch (Exception e) {
iResponse.send(OHttpUtils.STATUS_INTERNALERROR_CODE, OHttpUtils.STATUS_INTERNALERROR_DESCRIPTION,
OHttpUtils.CONTENT_TEXT_PLAIN, e.getMessage(), null);
} finally {
if (db != null)
db.close();
}
return false;
}
protected void sendORecordBinaryFileContent(final OHttpRequest iRequest, final OHttpResponse iResponse, final int iCode,
final String iReason, final String iContentType, final ORecordBytes record, final String iFileName) throws IOException {
iResponse.writeStatus(iCode, iReason);
iResponse.writeHeaders(iContentType);
iResponse.writeLine("Content-Disposition: attachment; filename=" + iFileName);
iResponse.writeLine("Date: " + new Date());
iResponse.writeLine(OHttpUtils.HEADER_CONTENT_LENGTH + (record.getSize()));
iResponse.writeLine(null);
record.toOutputStream(iResponse.getOutputStream());
iResponse.flush();
}
protected void sendBinaryFieldFileContent(final OHttpRequest iRequest, final OHttpResponse iResponse, final int iCode,
final String iReason, final String iContentType, final byte[] record, final String iFileName) throws IOException {
iResponse.writeStatus(iCode, iReason);
iResponse.writeHeaders(iContentType);
iResponse.writeLine("Content-Disposition: attachment; filename=" + iFileName);
iResponse.writeLine("Date: " + new Date());
iResponse.writeLine(OHttpUtils.HEADER_CONTENT_LENGTH + (record.length));
iResponse.writeLine(null);
iResponse.getOutputStream().write(record);
iResponse.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;
}
}