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Open source implementation of the AS2 standard for signed encrypted and compressed document transfer
package org.openas2.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.mail.Header;
import javax.mail.MessagingException;
import javax.mail.internet.ContentType;
import javax.mail.internet.InternetHeaders;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openas2.DispositionException;
import org.openas2.OpenAS2Exception;
import org.openas2.Session;
import org.openas2.cert.CertificateFactory;
import org.openas2.lib.helper.BCCryptoHelper;
import org.openas2.lib.helper.ICryptoHelper;
import org.openas2.lib.message.AS2Standards;
import org.openas2.lib.util.MimeUtil;
import org.openas2.message.AS2Message;
import org.openas2.message.AS2MessageMDN;
import org.openas2.message.FileAttribute;
import org.openas2.message.Message;
import org.openas2.message.MessageMDN;
import org.openas2.params.CompositeParameters;
import org.openas2.params.DateParameters;
import org.openas2.params.InvalidParameterException;
import org.openas2.params.MessageMDNParameters;
import org.openas2.params.MessageParameters;
import org.openas2.params.ParameterParser;
import org.openas2.params.RandomParameters;
import org.openas2.partner.Partnership;
import org.openas2.processor.Processor;
import org.openas2.processor.msgtracking.BaseMsgTrackingModule;
import org.openas2.processor.resender.ResenderModule;
import org.openas2.processor.sender.SenderModule;
import org.openas2.processor.storage.StorageModule;
public class AS2Util {
private static ICryptoHelper ch;
public static ICryptoHelper getCryptoHelper() throws Exception {
if (ch == null) {
ch = new BCCryptoHelper();
ch.initialize();
}
return ch;
}
public static String generateMessageID(Message msg, boolean isMDN) throws InvalidParameterException {
String idFormat = null;
CompositeParameters params = new CompositeParameters(false).add("date", new DateParameters())
.add("msg", new MessageParameters(msg)).add("rand", new RandomParameters());
if (isMDN) {
params.add("mdn", new MessageMDNParameters(msg.getMDN()));
idFormat = msg.getPartnership().getAttributeOrProperty(Properties.AS2_MDN_MESSAGE_ID_FORMAT, null);
}
if (idFormat == null)
idFormat = msg.getPartnership().getAttributeOrProperty(Properties.AS2_MESSAGE_ID_FORMAT,
"");
String id = ParameterParser.parse(idFormat, params);
// RFC822 requires enclosing message in <> but AS2 spec provides for this to be
// overridden
String isEncap = msg.getPartnership().getAttributeOrProperty(Properties.AS2_MESSAGE_ID_ENCLOSE_IN_BRACKETS,
"true");
if ("true".equalsIgnoreCase(isEncap)) {
// Add the angle brackets if not already added
if (!id.startsWith("<")) {
id = "<" + id;
}
if (!id.endsWith(">")) {
id = id + ">";
}
}
return id;
}
public static void parseMDN(Message msg, X509Certificate receiver) throws OpenAS2Exception {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
MessageMDN mdn = msg.getMDN();
MimeBodyPart mainPart = mdn.getData();
if (logger.isTraceEnabled() && "true".equalsIgnoreCase(System.getProperty("logRxdMdnMimeBodyParts", "false"))) {
try {
logger.trace("Received MimeBodyPart for inbound MDN: " + msg.getLogMsgID() + "\n"
+ MimeUtil.toString(mainPart, true));
} catch (Exception e) {
logger.trace("Failed to log the MimeBodyPart as part of trace logging: " + e.getMessage());
}
}
try {
ICryptoHelper ch = getCryptoHelper();
if (ch.isSigned(mainPart)) {
mainPart = getCryptoHelper().verifySignature(mainPart, receiver);
}
} catch (Exception e1) {
logger.error("Error parsing MDN: " + org.openas2.logging.Log.getExceptionMsg(e1), e1);
throw new OpenAS2Exception("Failed to verify signature of received MDN.");
}
try {
MimeMultipart reportParts = new MimeMultipart(mainPart.getDataHandler().getDataSource());
if (reportParts != null) {
ContentType reportType = new ContentType(reportParts.getContentType());
if (reportType.getBaseType().equalsIgnoreCase("multipart/report")) {
int reportCount = reportParts.getCount();
MimeBodyPart reportPart;
for (int j = 0; j < reportCount; j++) {
reportPart = (MimeBodyPart) reportParts.getBodyPart(j);
if (logger.isTraceEnabled()
&& "true".equalsIgnoreCase(System.getProperty("logRxdMdnMimeBodyParts", "false"))) {
logger.trace("Report MimeBodyPart from Multipart for inbound MDN: " + msg.getLogMsgID()
+ "\n" + MimeUtil.toString(reportPart, true));
}
if (reportPart.isMimeType("text/plain")) {
mdn.setText(reportPart.getContent().toString());
} else if (reportPart.isMimeType(AS2Standards.DISPOSITION_TYPE)) {
InternetHeaders disposition = new InternetHeaders(reportPart.getInputStream());
mdn.setAttribute(AS2MessageMDN.MDNA_REPORTING_UA,
disposition.getHeader("Reporting-UA", ", "));
mdn.setAttribute(AS2MessageMDN.MDNA_ORIG_RECIPIENT,
disposition.getHeader("Original-Recipient", ", "));
mdn.setAttribute(AS2MessageMDN.MDNA_FINAL_RECIPIENT,
disposition.getHeader("Final-Recipient", ", "));
mdn.setAttribute(AS2MessageMDN.MDNA_ORIG_MESSAGEID,
disposition.getHeader("Original-Message-ID", ", "));
mdn.setAttribute(AS2MessageMDN.MDNA_DISPOSITION,
disposition.getHeader("Disposition", ", "));
mdn.setAttribute(AS2MessageMDN.MDNA_MIC,
disposition.getHeader("Received-Content-MIC", ", "));
}
}
}
}
} catch (Exception e) {
throw new OpenAS2Exception("Filed to parse MDN: " + org.openas2.logging.Log.getExceptionMsg(e), e);
}
}
/**
* Verify disposition status is "processed" then check MIC is matched
*
* @param msg
* - the original message sent to the partner that the MDN
* relates to
* @throws DispositionException
* - something wrong t=with the Disposition
* structure
* @throws OpenAS2Exception
* - an internally handled error has occurred
* @return true if mdn processed
*/
public static boolean checkMDN(AS2Message msg) throws DispositionException, OpenAS2Exception {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
/*
* The sender may return an error in the disposition and not set the MIC so
* check disposition first
*/
String disposition = msg.getMDN().getAttribute(AS2MessageMDN.MDNA_DISPOSITION);
if (disposition != null && logger.isInfoEnabled())
logger.info("received MDN [" + disposition + "]" + msg.getLogMsgID());
boolean dispositionHasWarning = false;
try {
new DispositionType(disposition).validate();
} catch (DispositionException de) {
if (logger.isWarnEnabled())
logger.warn("Disposition exception on MDN. Disposition: " + disposition + msg.getLogMsgID(), de);
// Something wrong detected so flag it for later use
dispositionHasWarning = true;
de.setText(msg.getMDN().getText());
if ((de.getDisposition() != null) && de.getDisposition().isWarning()) {
// Do not throw error in this case ... just log it
de.addSource(OpenAS2Exception.SOURCE_MESSAGE, msg);
de.terminate();
} else {
throw de;
}
} catch (OpenAS2Exception e) {
msg.setLogMsg("Processing error occurred: " + org.openas2.logging.Log.getExceptionMsg(e));
logger.error(msg, e);
throw new OpenAS2Exception(e);
}
if ("none".equalsIgnoreCase(msg.getPartnership().getAttribute(Partnership.PA_AS2_MDN_OPTIONS))) {
// signed MDN not requested so...
return true;
}
if (logger.isTraceEnabled())
logger.trace("MIC processing start... ");
// get the returned mic from mdn object
String returnMIC = msg.getMDN().getAttribute(AS2MessageMDN.MDNA_MIC);
if (returnMIC == null || returnMIC.length() < 1) {
if (dispositionHasWarning) {
// TODO: Think this should pribably throw error if MIC should have been returned
// but for now...
msg.setLogMsg("Returned MIC not found but disposition has warning so might be normal.");
logger.warn(msg);
} else {
msg.setLogMsg("Returned MIC not found so cannot validate returned message.");
logger.error(msg);
}
return false;
}
String calcMIC = msg.getCalculatedMIC();
if (calcMIC == null) {
throw new OpenAS2Exception("The claculated MIC was not retrieved from the message object.");
}
if (logger.isTraceEnabled())
logger.trace("MIC check on calculated MIC: " + calcMIC + msg.getLogMsgID());
/*
* Returned-Content-MIC header and rfc822 headers can contain spaces all over
* the place. (not to mention comments!). Simple fix - delete all spaces. Since
* the partner could return the algorithm in different case to what was sent,
* remove the algorithm before compare The Algorithm is appended as a part of
* the MIC by adding a comma then optionally a space followed by the algorithm
*/
String regex = "^\\s*(\\S+)\\s*,\\s*(\\S+)\\s*$";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(returnMIC);
if (!m.find()) {
msg.setLogMsg("Invalid MIC format in returned MIC: " + returnMIC);
logger.error(msg);
throw new OpenAS2Exception("Invalid MIC string received. Forcing Resend");
}
String rMic = m.group(1);
String rMicAlg = m.group(2);
m = p.matcher(calcMIC);
if (!m.find()) {
msg.setLogMsg("Invalid MIC format in calculated MIC: " + calcMIC);
logger.error(msg);
throw new OpenAS2Exception("Invalid MIC string retrieved from calculated MIC. Forcing Resend");
}
String cMic = m.group(1);
String cMicAlg = m.group(2);
if (!cMicAlg.equalsIgnoreCase(rMicAlg)) {
// Appears not to match.... make sure dash is not the issue as in SHA-1 compared
// to SHA1
if (!cMicAlg.replaceAll("-", "").equalsIgnoreCase(rMicAlg.replaceAll("-", ""))) {
/*
* RFC 6362 specifies that the sent attachments should be considered invalid and
* retransmitted
*/
String errmsg = "MIC algorithm returned by partner is not the same as the algorithm requested but must be the same per RFC4130 section 7.4.3. Original MIC alg: "
+ cMicAlg + " ::: returned MIC alg: " + rMicAlg
+ "\n\t\tEnsure that Partner supports the requested algorithm and the \""
+ Partnership.PA_AS2_MDN_OPTIONS
+ "\" attribute for the outbound partnership uses the same algorithm as the \" +"
+ Partnership.PA_SIGNATURE_ALGORITHM + "\" attribute.";
throw new OpenAS2Exception(errmsg + " Forcing Resend");
}
}
if (!cMic.equals(rMic)) {
/*
* RFC 6362 specifies that the sent attachments should be considered invalid and
* retransmitted
*/
msg.setLogMsg("MIC not matched, original MIC: " + calcMIC + " return MIC: " + returnMIC);
logger.error(msg);
throw new OpenAS2Exception("MIC not matched. Forcing Resend");
}
if (logger.isTraceEnabled())
logger.trace("MIC is matched, received MIC: " + returnMIC + msg.getLogMsgID());
return true;
}
// How many times should this message be sent?
public static String retries(Map options, String fallbackRetries) {
String left;
if (options == null || (left = (String) options.get(SenderModule.SOPT_RETRIES)) == null) {
left = fallbackRetries;
}
if (left == null)
left = SenderModule.DEFAULT_RETRIES;
// Verify it is a valid integer
try {
Integer.parseInt(left);
} catch (Exception e) {
return SenderModule.DEFAULT_RETRIES;
}
return left;
}
/*
* @description Attempts to check if a resend should go ahead and if so
* decrements the resend count and stores the decremented retry count in the
* options map. If the passed in retry count is null or invalid it will fall
* back to a system default
*/
public static boolean resend(Session session, Object sourceClass, String how, Message msg, OpenAS2Exception cause,
String tries, boolean useOriginalMsgObject, boolean keepOriginalData) throws OpenAS2Exception {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
if (logger.isDebugEnabled())
logger.debug(
"RESEND requested.... retries to go: " + tries + "\n Message file from passed in object: "
+ msg.getAttribute(FileAttribute.MA_PENDINGFILE) + msg.getLogMsgID());
int retries = -1;
if (tries == null)
tries = SenderModule.DEFAULT_RETRIES;
try {
retries = Integer.parseInt(tries);
} catch (Exception e) {
msg.setLogMsg("The retry count is not a valid integer value: " + tries);
logger.error(msg);
}
if (retries >= 0 && retries-- <= 0) {
msg.setLogMsg("Message abandoned after retry limit reached.");
logger.error(msg);
// Log significant msg state
msg.setOption("STATE", Message.MSG_STATE_SEND_FAIL);
msg.trackMsgState(session);
throw new OpenAS2Exception("Message abandoned after retry limit reached." + msg.getLogMsgID());
}
if (useOriginalMsgObject) {
String pendingMsgObjFileName = msg.getAttribute(FileAttribute.MA_PENDINGFILE) + ".object";
if (logger.isDebugEnabled())
logger.debug("Pending msg object file to retrieve data from in MDN receiver: " + pendingMsgObjFileName);
ObjectInputStream pifois = null;
Message originalMsg;
try {
try {
pifois = new ObjectInputStream(new FileInputStream(new File(pendingMsgObjFileName)));
} catch (FileNotFoundException e) {
throw new OpenAS2Exception(
"Could not retrieve pending info file: " + org.openas2.logging.Log.getExceptionMsg(e), e);
} catch (IOException e) {
throw new OpenAS2Exception(
"Could not open pending info file: " + org.openas2.logging.Log.getExceptionMsg(e), e);
}
try {
originalMsg = (Message) pifois.readObject();
} catch (Exception e) {
throw new OpenAS2Exception("Cannot retrieve original message object for resend: "
+ org.openas2.logging.Log.getExceptionMsg(e));
}
} finally {
try {
if (pifois != null)
pifois.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// Update original with latest message-id and pendinginfo file so it
// is kept up to date
originalMsg.setAttribute(FileAttribute.MA_PENDINGINFO, msg.getAttribute(FileAttribute.MA_PENDINGINFO));
if (!keepOriginalData) {
originalMsg.setMessageID(msg.getMessageID());
originalMsg.setOption(ResenderModule.OPTION_RETRIES, tries);
}
if (logger.isTraceEnabled())
logger.trace("Message file extracted from passed in object: "
+ msg.getAttribute(FileAttribute.MA_PENDINGFILE)
+ "\n Message file extracted from original object: "
+ originalMsg.getAttribute(FileAttribute.MA_PENDINGFILE) + msg.getLogMsgID());
msg = originalMsg;
}
// Update the message state for the failed message as it will no longer be using
// the same message ID
msg.setOption("STATE", Message.MSG_STATE_SEND_FAIL_RESEND_QUEUED);
msg.trackMsgState(session);
boolean requiresNewMessageId = "true".equalsIgnoreCase(
msg.getPartnership().getAttributeOrProperty(Partnership.PA_RESEND_REQUIRES_NEW_MESSAGE_ID, "true"));
if (requiresNewMessageId) {
/**
* Per https://tools.ietf.org/html/rfc4130#section-9.3 resend should have same
* Message-Id ... BUT Because it was implemented in the beginning to vreate a
* new one for each resend, for backwards compatibility the default is the
* reverse Systems like Mendelson require a new Message-Id
*/
// Resend requires a new Message-Id and we need to update the pendinginfo file
// name to match....
// The actual file that is pending can remain the same name since it is pointed
// to by line in pendinginfo file
String oldMsgId = msg.getMessageID();
msg.setAttribute(BaseMsgTrackingModule.FIELDS.PRIOR_MSG_ID, oldMsgId);
String oldPendingInfoFileName = msg.getAttribute(FileAttribute.MA_PENDINGINFO);
String newMsgId = ((AS2Message) msg).generateMessageID();
// Set new Id in Message object so we can generate new file name
msg.setMessageID(newMsgId);
// msg.setHeader("Original-Message-Id", oldMsgId); // Not sure about this so
// lesve out for now
String newPendingInfoFileName = buildPendingFileName(msg, session.getProcessor(), "pendingmdninfo");
if (logger.isDebugEnabled())
logger.debug(
"" + "\n Old Msg Id: " + oldMsgId + "\n Old Info File: " + oldPendingInfoFileName
+ "\n New Info File: " + newPendingInfoFileName + msg.getLogMsgID());
// Update the pending file to new name
File oldPendInfFile = new File(oldPendingInfoFileName);
File newPendInfFile = new File(newPendingInfoFileName);
if (logger.isTraceEnabled())
logger.trace("Attempting to rename pending info file : " + oldPendInfFile.getName() + " :::: New name: "
+ newPendInfFile.getName() + msg.getLogMsgID());
try {
newPendInfFile = IOUtil.moveFile(oldPendInfFile, newPendInfFile, false);
// Update the name of the file in the message object
msg.setAttribute(FileAttribute.MA_PENDINGINFO, newPendingInfoFileName);
if (logger.isInfoEnabled())
logger.info("Renamed pending info file : " + oldPendInfFile.getName() + " :::: New name: "
+ newPendInfFile.getName() + msg.getLogMsgID());
} catch (IOException iose) {
msg.setLogMsg("Error renaming file: " + org.openas2.logging.Log.getExceptionMsg(iose));
logger.error(msg, iose);
}
}
Map options = new HashMap();
options.put(ResenderModule.OPTION_CAUSE, cause);
options.put(ResenderModule.OPTION_INITIAL_SENDER, sourceClass);
options.put(ResenderModule.OPTION_RESEND_METHOD, how);
options.put(ResenderModule.OPTION_RETRIES, "" + retries);
session.getProcessor().handle(ResenderModule.DO_RESEND, msg, options);
return true;
}
/**
* Processing MDN sent from receiver.
*
* @param msg
* The context object
* @param data
* Received data
* @param out
* HTTP output stream
* @param isAsyncMDN
* boolean indicating if this is an ASYNC MDN
* @param session
* - Session object
* @param sourceClass
* - who invoked this method
* @throws OpenAS2Exception
* - an internally handled error has occurred
* @throws IOException
* - the IO system has a problem
*/
public static void processMDN(AS2Message msg, byte[] data, OutputStream out, boolean isAsyncMDN, Session session,
Object sourceClass) throws OpenAS2Exception, IOException {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
// Create a MessageMDN and copy HTTP headers
MessageMDN mdn = msg.getMDN();
if (logger.isTraceEnabled())
logger.trace("HTTP headers in received MDN: " + AS2Util.printHeaders(mdn.getHeaders().getAllHeaders()));
// get the MDN partnership info
mdn.getPartnership().setSenderID(Partnership.PID_AS2, mdn.getHeader("AS2-From"));
mdn.getPartnership().setReceiverID(Partnership.PID_AS2, mdn.getHeader("AS2-To"));
session.getPartnershipFactory().updatePartnership(mdn, false);
MimeBodyPart part;
try {
part = new MimeBodyPart(mdn.getHeaders(), data);
msg.getMDN().setData(part);
} catch (MessagingException e1) {
msg.setLogMsg("Failed to create mimebodypart from received MDN data: "
+ org.openas2.logging.Log.getExceptionMsg(e1));
logger.error(msg, e1);
if (isAsyncMDN)
HTTPUtil.sendHTTPResponse(out, HttpURLConnection.HTTP_BAD_REQUEST, null);
throw new OpenAS2Exception("Error receiving MDN. Processing stopped.");
}
CertificateFactory cFx = session.getCertificateFactory();
X509Certificate senderCert = cFx.getCertificate(mdn, Partnership.PTYPE_RECEIVER);
msg.setStatus(Message.MSG_STATUS_MDN_PARSE);
if (logger.isTraceEnabled())
logger.trace("Parsing MDN: " + mdn.toString() + msg.getLogMsgID());
AS2Util.parseMDN(msg, senderCert);
if (isAsyncMDN) {
getMetaData(msg, session);
}
String retries = (String) msg.getOption(ResenderModule.OPTION_RETRIES);
msg.setStatus(Message.MSG_STATUS_MDN_VERIFY);
if (logger.isTraceEnabled())
logger.trace("MDN parsed. \n\tPayload file name: " + msg.getPayloadFilename() + "\n\tChecking MDN report..."
+ msg.getLogMsgID());
try {
AS2Util.checkMDN(msg);
/*
* If the MDN was successfully received send correct HTTP response irrespective
* of possible error conditions due to disposition errors or MIC mismatch
*/
if (isAsyncMDN)
HTTPUtil.sendHTTPResponse(out, HttpURLConnection.HTTP_OK, null);
} catch (DispositionException de) {
/*
* Issue with disposition but still send OK at HTTP level to indicate message
* received
*/
if (isAsyncMDN)
HTTPUtil.sendHTTPResponse(out, HttpURLConnection.HTTP_OK, null);
// If a disposition exception occurs then there must have been an
// error response in the disposition
if (logger.isErrorEnabled())
logger.error("Disposition exception processing MDN ..." + msg.getLogMsgID(), de);
// Hmmmm... Error may require manual intervention but keep
// trying.... possibly change retry count to 1 or just fail????
AS2Util.resend(session, sourceClass, SenderModule.DO_SEND, msg, de, retries, true, false);
msg.setOption("STATE", Message.MSG_STATE_MSG_SENT_MDN_RECEIVED_ERROR);
msg.trackMsgState(session);
return;
} catch (OpenAS2Exception oae) {
// Possibly MIC mismatch so resend
if (isAsyncMDN)
HTTPUtil.sendHTTPResponse(out, HttpURLConnection.HTTP_OK, null);
OpenAS2Exception oae2 = new OpenAS2Exception(
"Message was sent but an error occured while receiving the MDN: "
+ org.openas2.logging.Log.getExceptionMsg(oae));
oae2.initCause(oae);
oae2.addSource(OpenAS2Exception.SOURCE_MESSAGE, msg);
oae2.terminate();
AS2Util.resend(session, sourceClass, SenderModule.DO_SEND, msg, oae2, retries, true, false);
msg.setOption("STATE", Message.MSG_STATE_MSG_SENT_MDN_RECEIVED_ERROR);
msg.trackMsgState(session);
return;
}
msg.setOption("STATE", Message.MSG_STATE_MSG_SENT_MDN_RECEIVED_OK);
msg.trackMsgState(session);
if (logger.isTraceEnabled())
logger.trace("MDN processed. \n\tPayload file name: " + msg.getPayloadFilename()
+ "\n\tPersisting MDN report..." + msg.getLogMsgID());
session.getProcessor().handle(StorageModule.DO_STOREMDN, msg, null);
msg.setStatus(Message.MSG_STATUS_MSG_CLEANUP);
// To support extended reporting via logging log info passing Message object
msg.setLogMsg("Message sent and MDN received successfully.");
logger.info(msg);
cleanupFiles(msg, false);
}
/*
* @description This method builds the name of the pending info file
*
* @param msg - the Message object containing enough information to build the
* pending info file name
*/
public static String buildPendingFileName(Message msg, Processor processor, String directoryIdentifier)
throws OpenAS2Exception {
String msgId = msg.getMessageID(); // this includes enclosing angled brackets <>
String dir = (String) processor.getParameters().get(directoryIdentifier);
if (msgId == null || msgId.length() < 1) {
// No ID set yet so generate a random string for uniqueness
msgId = AS2Util.generateMessageID(msg, false);
msg.setMessageID(msgId);
}
return (dir + "/" + IOUtil.cleanFilename(msgId));
}
/*
* @description This method retrieves the information from the pending
* information file written by the sender module
*
* @param msg - the Message object containing enough information to build the
* pending info file name
*/
public static void getMetaData(AS2Message msg, Session session) throws OpenAS2Exception {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
// use original message ID to open the pending information file from pendinginfo
// folder.
String originalMsgId = msg.getMDN().getAttribute(AS2MessageMDN.MDNA_ORIG_MESSAGEID);
msg.setMessageID(originalMsgId);
String pendinginfofile = buildPendingFileName(msg, session.getProcessor(), "pendingmdninfo");
if (logger.isDebugEnabled())
logger.debug("Pending info file to retrieve data from in MDN receiver: " + pendinginfofile);
// Get the pending information file based on original message ID
File iFile = new File(pendinginfofile);
if (!iFile.exists()) {
// try without the angle brackets in case they were added
String oMsgIdStripped = removeAngleBrackets(originalMsgId);
if (oMsgIdStripped == null || originalMsgId.equals(oMsgIdStripped)) {
// No difference so...
throw new OpenAS2Exception("Pending info file missing: " + pendinginfofile);
}
msg.setMessageID(oMsgIdStripped);
pendinginfofile = buildPendingFileName(msg, session.getProcessor(), "pendingmdninfo");
iFile = new File(pendinginfofile);
if (!iFile.exists()) {
throw new OpenAS2Exception("Pending info file missing: " + pendinginfofile);
}
}
msg.setAttribute(FileAttribute.MA_PENDINGINFO, pendinginfofile);
getMetaData(msg, iFile);
}
public static void getMetaData(AS2Message msg, File inFile) throws OpenAS2Exception {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
ObjectInputStream pifois;
try {
pifois = new ObjectInputStream(new FileInputStream(inFile));
} catch (IOException e) {
throw new OpenAS2Exception(
"Could not open pending info file: " + org.openas2.logging.Log.getExceptionMsg(e), e);
}
try {
// Get the original MIC from the first line of pending information file
msg.setCalculatedMIC((String) pifois.readObject());
// Get the retry count for number of resends to go from the second line of
// pending information file
String retries = (String) pifois.readObject();
if (logger.isTraceEnabled())
logger.trace("RETRY COUNT from pending info file: " + retries);
msg.setOption(ResenderModule.OPTION_RETRIES, retries);
// Get the original source file name from the 3rd line of pending information
// file
msg.setPayloadFilename((String) pifois.readObject());
msg.setAttribute(FileAttribute.MA_FILENAME, (String) pifois.readObject());
// Get the original pending file from the 4th line of pending information file
msg.setAttribute(FileAttribute.MA_PENDINGFILE, (String) pifois.readObject());
msg.setAttribute(FileAttribute.MA_ERROR_DIR, (String) pifois.readObject());
msg.setAttribute(FileAttribute.MA_SENT_DIR, (String) pifois.readObject());
msg.getAttributes().putAll((Map) pifois.readObject());
if (logger.isTraceEnabled())
logger.trace("Data retrieved from Pending info file:" + "\n Original MIC: "
+ msg.getCalculatedMIC() + "\n Retry Count: " + retries
+ "\n Original file name : " + msg.getPayloadFilename() + "\n Sent file name : "
+ msg.getAttribute(FileAttribute.MA_FILENAME) + "\n Pending message file : "
+ msg.getAttribute(FileAttribute.MA_PENDINGFILE) + "\n Error directory: "
+ msg.getAttribute(FileAttribute.MA_ERROR_DIR) + "\n Sent directory: "
+ msg.getAttribute(FileAttribute.MA_SENT_DIR) + "\n Attributes: " + msg.getAttributes()
+ msg.getLogMsgID());
} catch (IOException e) {
throw new OpenAS2Exception("Failed to retrieve the pending MDN information from file: "
+ org.openas2.logging.Log.getExceptionMsg(e), e);
} catch (ClassNotFoundException e) {
throw new OpenAS2Exception("Failed to rebuild an object from the pending MDN information from file: "
+ org.openas2.logging.Log.getExceptionMsg(e), e);
} finally {
if (pifois != null)
try {
pifois.close();
} catch (IOException e) {
}
}
}
public static void cleanupFiles(Message msg, boolean isError) {
Log logger = LogFactory.getLog(AS2Util.class.getSimpleName());
String pendingInfoFileName = msg.getAttribute(FileAttribute.MA_PENDINGINFO);
if (pendingInfoFileName != null) {
File fPendingInfoFile = new File(pendingInfoFileName);
if (fPendingInfoFile.exists()) {
if (logger.isTraceEnabled())
logger.trace(
"Deleting pendinginfo file : " + fPendingInfoFile.getAbsolutePath() + msg.getLogMsgID());
try {
IOUtil.deleteFile(fPendingInfoFile);
if (logger.isTraceEnabled())
logger.trace("deleted " + pendingInfoFileName + msg.getLogMsgID());
} catch (Exception e) {
msg.setLogMsg("File was successfully sent but info file not deleted: " + pendingInfoFileName);
logger.warn(msg, e);
}
} else {
msg.setLogMsg("Cleanup could not find pendinginfo file: " + pendingInfoFileName);
logger.warn(msg);
}
}
String pendingFileName = msg.getAttribute(FileAttribute.MA_PENDINGFILE);
if (pendingFileName != null) {
File fPendingFile = new File(pendingFileName);
try {
IOUtil.deleteFile(new File(pendingFileName + ".object"));
if (logger.isTraceEnabled())
logger.trace("deleted " + pendingFileName + ".object" + msg.getLogMsgID());
} catch (Exception e) {
msg.setLogMsg("File was successfully sent but message object file not deleted: "
+ org.openas2.logging.Log.getExceptionMsg(e));
logger.warn(msg, e);
}
if (logger.isTraceEnabled())
logger.trace("Cleaning up pending file : " + fPendingFile.getName() + " from pending folder : "
+ fPendingFile.getParent() + msg.getLogMsgID());
try {
boolean isMoved = false;
String tgtDir = null;
String targetFilenameUnparsed = "";
if (isError) {
tgtDir = msg.getAttribute(FileAttribute.MA_ERROR_DIR);
targetFilenameUnparsed = msg.getAttribute(FileAttribute.MA_ERROR_FILENAME);
} else {
// If the Sent Directory option is set, move the transmitted file to the sent
// directory
tgtDir = msg.getAttribute(FileAttribute.MA_SENT_DIR);
targetFilenameUnparsed = msg.getAttribute(FileAttribute.MA_SENT_FILENAME);
}
if (tgtDir != null && tgtDir.length() > 0) {
File tgtFile = null;
try {
String tgtFileName = fPendingFile.getName();
if (targetFilenameUnparsed != null && targetFilenameUnparsed.length() > 0) {
CompositeParameters parser = new CompositeParameters(false)
.add("date", new DateParameters()).add("msg", new MessageParameters(msg))
.add("rand", new RandomParameters());
tgtFileName = ParameterParser.parse(targetFilenameUnparsed, parser);
}
tgtFile = new File(tgtDir + "/" + tgtFileName);
tgtFile = IOUtil.moveFile(fPendingFile, tgtFile, false);
isMoved = true;
if (logger.isInfoEnabled())
logger.info("moved " + fPendingFile.getAbsolutePath() + " to " + tgtFile.getAbsolutePath()
+ msg.getLogMsgID());
} catch (IOException iose) {
msg.setLogMsg("Error moving file to " + tgtDir + " : "
+ org.openas2.logging.Log.getExceptionMsg(iose));
logger.error(msg, iose);
}
}
if (!isMoved) {
IOUtil.deleteFile(fPendingFile);
if (logger.isInfoEnabled())
logger.info("deleted " + fPendingFile.getAbsolutePath() + msg.getLogMsgID());
}
} catch (Exception e) {
msg.setLogMsg("File was successfully sent but not deleted: " + fPendingFile.getAbsolutePath());
logger.error(msg, e);
}
}
}
private static String removeAngleBrackets(String srcString) {
return (srcString == null ? null : srcString.replaceAll("^<([^>]+)>$", "$1"));
}
public static void attributeEnhancer(Map attribs) throws OpenAS2Exception {
Pattern PATTERN = Pattern.compile("\\$attribute\\.([^\\$]++)\\$|\\$properties\\.([^\\$]++)\\$");
for (Map.Entry entry : attribs.entrySet()) {
String input = entry.getValue();
StringBuffer strBuf = new StringBuffer();
Matcher matcher = PATTERN.matcher(input);
boolean hasChanged = false;
while (matcher.find()) {
String value = null;
String key = matcher.group(1);
if (key == null) {
key = matcher.group(2);
value = Properties.getProperty(key, null);
} else
value = attribs.get(key);
hasChanged = true;
if (value == null) {
throw new OpenAS2Exception("Missing attribute value for replacement: " + matcher.group());
} else {
matcher.appendReplacement(strBuf, Matcher.quoteReplacement(value));
}
}
if (hasChanged) {
matcher.appendTail(strBuf);
attribs.put(entry.getKey(), strBuf.toString());
}
}
}
public static String printHeaders(Enumeration hdrs) {
return printHeaders(hdrs, " == ", "\n\t\t");
}
public static String printHeaders(Enumeration hdrs, String nameValueSeparator, String valuePairSeparator) {
String headers = "";
while (hdrs.hasMoreElements()) {
Header h = hdrs.nextElement();
headers = headers + valuePairSeparator + h.getName() + nameValueSeparator + h.getValue();
}
return (headers);
}
}
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