Examples with TNEFInputStream net.freeutils.tnef.TNEFInputStream used on opensource projects

Example 1 with TNEFInputStream

use of net.freeutils.tnef.TNEFInputStream in project zm-mailbox by Zimbra.

the class DefaultTnefToICalendar method convert.

/* (non-Javadoc)
     * @see com.zimbra.cs.util.tnef.TnefToICalendar#convert(java.io.InputStream, net.fortuna.ical4j.data.ContentHandler)
     */
public boolean convert(MimeMessage mimeMsg, InputStream tnefInput, ContentHandler icalOutput) throws ServiceException {
    boolean conversionSuccessful = false;
    recurDef = null;
    TNEFInputStream tnefStream = null;
    SchedulingViewOfTnef schedView = null;
    Integer sequenceNum = 0;
    icalType = ICALENDAR_TYPE.VEVENT;
    try {
        tnefStream = new TNEFInputStream(tnefInput);
        schedView = new SchedulingViewOfTnef(tnefStream);
        String msgClass = schedView.getMessageClass();
        if (msgClass == null) {
            sLog.debug("Unable to determine Class of TNEF - cannot generate ICALENDER equivalent");
            // throw TNEFtoIcalendarServiceException.NON_CALENDARING_CLASS(msgClass);
            return false;
        }
        icalType = schedView.getIcalType();
        method = null;
        PartStat partstat = null;
        boolean replyWanted = schedView.getResponseRequested();
        Boolean isCounterProposal = schedView.isCounterProposal();
        if (msgClass != null) {
            // just in case.
            if (msgClass.startsWith("IPM.Microsoft Schedule.MtgReq")) {
                method = Method.REQUEST;
                partstat = PartStat.NEEDS_ACTION;
            } else if (msgClass.startsWith("IPM.Microsoft Schedule.MtgRespP")) {
                method = Method.REPLY;
                partstat = PartStat.ACCEPTED;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.Microsoft Schedule.MtgRespN")) {
                method = Method.REPLY;
                partstat = PartStat.DECLINED;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.Microsoft Schedule.MtgRespA")) {
                if ((isCounterProposal != null) && isCounterProposal) {
                    method = Method.COUNTER;
                } else {
                    method = Method.REPLY;
                }
                partstat = PartStat.TENTATIVE;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.Microsoft Schedule.MtgCncl")) {
                method = Method.CANCEL;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.TaskRequest.Accept")) {
                method = Method.REPLY;
                partstat = PartStat.ACCEPTED;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.TaskRequest.Decline")) {
                method = Method.REPLY;
                partstat = PartStat.DECLINED;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.TaskRequest.Update")) {
                method = Method.REPLY;
                // May be overridden?
                partstat = PartStat.IN_PROCESS;
                replyWanted = false;
            } else if (msgClass.startsWith("IPM.TaskRequest")) {
                method = Method.REQUEST;
                partstat = PartStat.NEEDS_ACTION;
                replyWanted = true;
            }
        }
        if (method == null) {
            sLog.debug("Unable to map class %s to ICALENDER", msgClass);
            return false;
        //                throw TNEFtoIcalendarServiceException.NON_CALENDARING_CLASS(msgClass);
        }
        if (icalType == ICALENDAR_TYPE.VTODO) {
            List<?> attaches = (List<?>) schedView.getAttachments();
            if (attaches == null) {
                sLog.debug("Unable to map class %s to ICALENDER - no attachments", msgClass);
                return false;
            }
            schedView = null;
            for (Object obj : attaches) {
                if (obj instanceof Attachment) {
                    Attachment currAttach = (Attachment) obj;
                    MAPIProps attachMPs = currAttach.getMAPIProps();
                    if (attachMPs != null) {
                        MAPIProp attachData = attachMPs.getProp(MAPIProp.PR_ATTACH_DATA_OBJ);
                        if (attachData != null) {
                            Object theVal = attachData.getValue();
                            if ((theVal != null) && (theVal instanceof TNEFInputStream)) {
                                TNEFInputStream tnefSubStream = (TNEFInputStream) theVal;
                                schedView = new SchedulingViewOfTnef(tnefSubStream);
                                break;
                            }
                        }
                    }
                }
            }
            if (schedView == null) {
                sLog.debug("Unable to map class %s to ICALENDER - no properties found for sub-msg", msgClass);
                return false;
            }
        }
        uid = schedView.getIcalUID();
        sequenceNum = schedView.getSequenceNumber();
        boolean reminderSet = schedView.getReminderSet();
        String location = schedView.getLocation();
        Boolean isAllDayEvent = schedView.isAllDayEvent();
        Integer importance = schedView.getMapiImportance();
        Clazz icalClass = schedView.getIcalClass();
        Integer ownerApptId = schedView.getOwnerAppointmentId();
        EnumSet<MeetingTypeFlag> meetingTypeFlags = schedView.getMeetingTypeFlags();
        BusyStatus busyStatus = schedView.getBusyStatus();
        BusyStatus intendedBusyStatus = schedView.getIntendedBusyStatus();
        // For some ICAL properties like TRANSP and STATUS, intendedBusyStatus
        // seems closer to what is intended than straight busyStatus
        BusyStatus bestBusyStatus = intendedBusyStatus;
        if (bestBusyStatus == null) {
            bestBusyStatus = busyStatus;
        }
        // An algorithm is used to choose the values for these
        // TimeZoneDefinitions  - they don't necessarily map to single
        // MAPI properties
        TimeZoneDefinition startTimeTZinfo = schedView.getStartDateTimezoneInfo();
        TimeZoneDefinition endTimeTZinfo = schedView.getEndDateTimezoneInfo();
        TimeZoneDefinition recurrenceTZinfo = schedView.getRecurrenceTimezoneInfo();
        recurDef = schedView.getRecurrenceDefinition(recurrenceTZinfo);
        DateTime icalStartDate = schedView.getStartTime();
        DateTime icalEndDate = schedView.getEndTime();
        DateTime icalDueDate = schedView.getDueDate();
        DateTime icalDateTaskCompleted = schedView.getDateTaskCompleted();
        DateTime icalCreateDate = MapiPropertyId.PidTagCreationTime.getDateTimeAsUTC(schedView);
        DateTime icalLastModDate = MapiPropertyId.PidTagLastModificationTime.getDateTimeAsUTC(schedView);
        DateTime recurrenceIdDateTime = schedView.getRecurrenceIdTime();
        DateTime attendeeCriticalChange = schedView.getAttendeeCriticalChange();
        DateTime ownerCriticalChange = schedView.getOwnerCriticalChange();
        int percentComplete = schedView.getPercentComplete();
        TaskStatus taskStatus = schedView.getTaskStatus();
        TaskMode taskMode = schedView.getTaskMode();
        String mileage = schedView.getMileage();
        String billingInfo = schedView.getBillingInfo();
        String companies = schedView.getCompanies();
        Integer actualEffort = schedView.getActualEffort();
        Integer estimatedEffort = schedView.getEstimatedEffort();
        List<String> categories = schedView.getCategories();
        String descriptionText = null;
        String summary = null;
        if (mimeMsg != null) {
            summary = mimeMsg.getSubject();
            PlainTextFinder finder = new PlainTextFinder();
            finder.accept(mimeMsg);
            descriptionText = finder.getPlainText();
        }
        // RTF might be useful as a basis for X-ALT-DESC if we can find a reliable
        // conversion to HTML
        // String rtfText = schedView.getRTF();
        icalOutput.startCalendar();
        // Results in a 2nd PRODID in iCalendar
        // IcalUtil.addProperty(icalOutput, Property.PRODID,
        //         "Zimbra-TNEF-iCalendar-Converter");
        IcalUtil.addProperty(icalOutput, method);
        if (recurDef != null) {
            String MsCalScale = recurDef.xMicrosoftCalscale();
            if ((MsCalScale == null) || (MsCalScale.equals(""))) {
                IcalUtil.addProperty(icalOutput, CalScale.GREGORIAN);
            } else {
                IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CALSCALE", MsCalScale);
            }
        } else {
            IcalUtil.addProperty(icalOutput, CalScale.GREGORIAN);
        }
        String startTZname = null;
        String endTZname = null;
        String recurTZname = null;
        if (startTimeTZinfo != null) {
            startTZname = startTimeTZinfo.getTimezoneName();
            startTimeTZinfo.addVtimezone(icalOutput);
        }
        if (endTimeTZinfo != null) {
            endTZname = endTimeTZinfo.getTimezoneName();
            if ((startTZname == null) || (!endTZname.equals(startTZname))) {
                endTimeTZinfo.addVtimezone(icalOutput);
            }
        }
        if (recurrenceTZinfo != null) {
            recurTZname = recurrenceTZinfo.getTimezoneName();
            boolean addName = true;
            if ((startTZname != null) && (recurTZname.equals(startTZname))) {
                addName = false;
            }
            if ((endTZname != null) && (recurTZname.equals(endTZname))) {
                addName = false;
            }
            if (addName) {
                recurrenceTZinfo.addVtimezone(icalOutput);
            }
        }
        if (uid == null) {
            sLog.debug("Unable to map class %s to ICALENDER - no suitable value found for UID", msgClass);
            return false;
        }
        icalOutput.startComponent(icalType.toString());
        IcalUtil.addProperty(icalOutput, Property.UID, uid);
        if ((attendeeCriticalChange != null) && (method.equals(Method.REPLY) || method.equals(Method.COUNTER))) {
            dtstamp = new DtStamp(attendeeCriticalChange);
        } else if (ownerCriticalChange != null) {
            dtstamp = new DtStamp(ownerCriticalChange);
        } else {
            DateTime stampTime = new DateTime("20000101T000000Z");
            dtstamp = new DtStamp(stampTime);
        }
        IcalUtil.addProperty(icalOutput, dtstamp);
        IcalUtil.addProperty(icalOutput, Property.CREATED, icalCreateDate, false);
        IcalUtil.addProperty(icalOutput, Property.LAST_MODIFIED, icalLastModDate, false);
        IcalUtil.addProperty(icalOutput, Property.SEQUENCE, sequenceNum, false);
        if ((summary == null) || (summary.length() == 0)) {
            // TNEF_to_iCalendar.pdf Spec requires SUMMARY for certain method types
            if (this.icalType == ICALENDAR_TYPE.VTODO) {
                if (method.equals(Method.REQUEST)) {
                    summary = new String("Task Request");
                } else if (method.equals(Method.REPLY)) {
                    summary = new String("Task Response");
                } else {
                    summary = new String("Task");
                }
            } else {
                if (method.equals(Method.REPLY)) {
                    summary = new String("Response");
                } else if (method.equals(Method.CANCEL)) {
                    summary = new String("Canceled");
                } else if (method.equals(Method.COUNTER)) {
                    summary = new String("Counter Proposal");
                }
            }
        }
        IcalUtil.addProperty(icalOutput, Property.SUMMARY, summary, false);
        IcalUtil.addProperty(icalOutput, Property.LOCATION, location, false);
        IcalUtil.addProperty(icalOutput, Property.DESCRIPTION, descriptionText, false);
        if (method.equals(Method.COUNTER)) {
            IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.DTSTART, schedView.getProposedStartTime(), startTimeTZinfo, isAllDayEvent);
            IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.DTEND, schedView.getProposedEndTime(), endTimeTZinfo, isAllDayEvent);
            IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, "X-MS-OLK-ORIGINALSTART", icalStartDate, startTimeTZinfo, isAllDayEvent);
            IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, "X-MS-OLK-ORIGINALEND", icalEndDate, endTimeTZinfo, isAllDayEvent);
        } else {
            if (this.icalType == ICALENDAR_TYPE.VTODO) {
                IcalUtil.addFloatingDateProperty(icalOutput, Property.DTSTART, icalStartDate);
                IcalUtil.addFloatingDateProperty(icalOutput, Property.DUE, icalDueDate);
                Status icalStatus = null;
                if (method.equals(Method.CANCEL)) {
                    icalStatus = Status.VTODO_CANCELLED;
                } else if (taskStatus != null) {
                    if (taskStatus.equals(TaskStatus.COMPLETE)) {
                        icalStatus = Status.VTODO_COMPLETED;
                    } else if (taskStatus.equals(TaskStatus.IN_PROGRESS)) {
                        icalStatus = Status.VTODO_IN_PROCESS;
                    }
                }
                IcalUtil.addProperty(icalOutput, icalStatus);
                if (percentComplete != 0) {
                    IcalUtil.addProperty(icalOutput, Property.PERCENT_COMPLETE, percentComplete, false);
                }
                // COMPLETED must be a UTC DATE-TIME according to rfc5545
                IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.COMPLETED, icalDateTaskCompleted, null, false);
            } else {
                IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.DTSTART, icalStartDate, startTimeTZinfo, isAllDayEvent);
                IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.DTEND, icalEndDate, endTimeTZinfo, isAllDayEvent);
            }
        }
        // just the original start date.
        if (recurrenceIdDateTime != null) {
            IcalUtil.addPropertyFromUtcTimeAndZone(icalOutput, Property.RECURRENCE_ID, recurrenceIdDateTime, startTimeTZinfo, isAllDayEvent);
        } else {
            // Outlook messages related to a specific instance still include info on
            // the full recurrence but we don't want to include that.
            addRecurrenceRelatedProps(icalOutput, recurDef, startTimeTZinfo, isAllDayEvent);
        }
        // VTODO REQUEST must have priority according to http://tools.ietf.org/html/rfc5546
        // No harm in always setting it
        Priority priority = Priority.MEDIUM;
        if (importance != null) {
            if (importance == 2) {
                priority = Priority.HIGH;
            } else if (importance == 1) {
                priority = Priority.MEDIUM;
            } else if (importance == 0) {
                priority = Priority.LOW;
            }
        }
        IcalUtil.addProperty(icalOutput, priority);
        IcalUtil.addProperty(icalOutput, icalClass);
        addStatusProperty(icalOutput, bestBusyStatus, meetingTypeFlags);
        addTranspProperty(icalOutput, bestBusyStatus);
        addAttendees(icalOutput, mimeMsg, partstat, replyWanted);
        // Not done as Zimbra doesn't currently support "RESOURCES".
        if (categories != null) {
            CategoryList cl = new CategoryList();
            for (String category : categories) {
                cl.add(category);
            }
            if (cl.size() > 0) {
                Categories myCategories = new Categories(cl);
                IcalUtil.addProperty(icalOutput, myCategories);
            }
        }
        if (taskStatus != null) {
            if (taskStatus.equals(TaskStatus.DEFERRED) || taskStatus.equals(TaskStatus.WAITING_ON_OTHER)) {
                IcalUtil.addProperty(icalOutput, "X-ZIMBRA-TASK-STATUS", taskStatus, false);
            }
        }
        if ((taskMode != null) && (!taskMode.equals(TaskMode.TASK_REQUEST))) {
            IcalUtil.addProperty(icalOutput, "X-ZIMBRA-TASK-MODE", taskMode, false);
        }
        IcalUtil.addProperty(icalOutput, "X-ZIMBRA-MILEAGE", mileage, false);
        IcalUtil.addProperty(icalOutput, "X-ZIMBRA-BILLING-INFO", billingInfo, false);
        IcalUtil.addProperty(icalOutput, "X-ZIMBRA-COMPANIES", companies, false);
        IcalUtil.addProperty(icalOutput, "X-ZIMBRA-ACTUAL-WORK-MINS", actualEffort, false);
        IcalUtil.addProperty(icalOutput, "X-ZIMBRA-TOTAL-WORK-MINS", estimatedEffort, false);
        if (this.icalType == ICALENDAR_TYPE.VEVENT) {
            IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-ALLDAYEVENT", isAllDayEvent ? "TRUE" : "FALSE");
            IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-BUSYSTATUS", busyStatus, false);
            if (method.equals(Method.REQUEST)) {
                IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-INTENDEDSTATUS", intendedBusyStatus, false);
            }
            IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-OWNERAPPTID", ownerApptId, false);
            IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-REPLYTIME", schedView.getAppointmentReplyTime(), false);
            IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-OWNER-CRITICAL-CHANGE", ownerCriticalChange, false);
            Boolean disallowCounter = schedView.isDisallowCounter();
            if (disallowCounter != null) {
                IcalUtil.addProperty(icalOutput, "X-MICROSOFT-CDO-DISALLOW-COUNTER", disallowCounter ? "TRUE" : "FALSE");
            }
        }
        if (reminderSet) {
            addAlarmComponent(icalOutput, schedView.getReminderDelta());
        }
        icalOutput.endComponent(icalType.toString());
        if (recurrenceIdDateTime == null) {
            // If this message primarily relates to a specific instance,
            // exception information is superfluous
            addExceptions(icalOutput, recurDef, recurrenceTZinfo, sequenceNum, ownerApptId, summary, location, isAllDayEvent);
        }
        icalOutput.endCalendar();
        conversionSuccessful = true;
        sLog.info("Calendaring TNEF message mapped to ICALENDAR with UID=%s", uid);
    } catch (ParserException e) {
        sLog.debug("Unexpected ParserException thrown", e);
    } catch (URISyntaxException e) {
        sLog.debug("Unexpected URISyntaxException thrown", e);
    } catch (ParseException e) {
        sLog.debug("Unexpected ParseException thrown", e);
    } catch (MessagingException e) {
        sLog.debug("Unexpected MessagingException thrown", e);
    } catch (NegativeArraySizeException e) {
        sLog.debug("Problem decoding TNEF for ICALENDAR", e);
    } catch (IOException e) {
        sLog.debug("Unexpected IOException thrown", e);
    } catch (UnsupportedTnefCalendaringMsgException e) {
        sLog.debug("Unable to map this message to ICALENDAR", e);
    } catch (TNEFtoIcalendarServiceException e) {
        sLog.debug("Problem encountered mapping this message to ICALENDAR", e);
    } finally {
        try {
            if (tnefStream != null) {
                tnefStream.close();
            }
        } catch (IOException ioe) {
            sLog.debug("Problem encountered closing TNEF stream", ioe);
        }
    }
    return conversionSuccessful;
}

Example 2 with TNEFInputStream

use of net.freeutils.tnef.TNEFInputStream in project zm-mailbox by Zimbra.

the class TnefConverter method expandTNEF.

/**
     * Performs the TNEF->MIME conversion on any TNEF body parts that
     * make up the given message.
     * @throws ServiceException
     */
private MimeMultipart expandTNEF(MimeBodyPart bp) throws MessagingException, IOException {
    if (!TNEFUtils.isTNEFMimeType(bp.getContentType()))
        return null;
    MimeMessage converted = null;
    // convert TNEF to a MimeMessage and remove it from the parent
    InputStream is = null;
    try {
        TNEFInputStream tnefis = new TNEFInputStream(is = bp.getInputStream());
        converted = TNEFMime.convert(JMSession.getSession(), tnefis);
    // XXX bburtin: nasty hack.  Don't handle OOME since JTNEF can allocate a huge byte
    // array when the TNEF file is malformed.  See bug 42649.
    // } catch (OutOfMemoryError e) {
    //    Zimbra.halt("Ran out of memory while expanding TNEF attachment", e);
    } catch (Throwable t) {
        ZimbraLog.extensions.warn("Conversion failed.  TNEF attachment will not be expanded.", t);
        return null;
    } finally {
        ByteUtil.closeStream(is);
    }
    Object convertedContent = converted.getContent();
    if (!(convertedContent instanceof MimeMultipart)) {
        ZimbraLog.extensions.debug("TNEF attachment doesn't contain valid MimeMultiPart");
        return null;
    }
    MimeMultipart convertedMulti = (MimeMultipart) convertedContent;
    // make sure that all the attachments are marked as attachments
    for (int i = 0; i < convertedMulti.getCount(); i++) {
        BodyPart subpart = convertedMulti.getBodyPart(i);
        if (subpart.getHeader("Content-Disposition") == null)
            subpart.setHeader("Content-Disposition", Part.ATTACHMENT);
    }
    // Create a MimeBodyPart for the converted data.  Currently we're throwing
    // away the top-level message because its content shows up as blank after
    // the conversion.
    MimeBodyPart convertedPart = new ZMimeBodyPart();
    convertedPart.setContent(convertedMulti);
    // If the TNEF object contains calendar data, create an iCalendar version.
    MimeBodyPart icalPart = null;
    if (DebugConfig.enableTnefToICalendarConversion) {
        try {
            TnefToICalendar calConverter = new DefaultTnefToICalendar();
            ZCalendar.DefaultContentHandler icalHandler = new ZCalendar.DefaultContentHandler();
            if (calConverter.convert(mMimeMessage, bp.getInputStream(), icalHandler)) {
                if (icalHandler.getNumCals() > 0) {
                    List<ZVCalendar> cals = icalHandler.getCals();
                    Writer writer = new StringWriter(1024);
                    ICalTok method = null;
                    for (ZVCalendar cal : cals) {
                        cal.toICalendar(writer);
                        if (method == null)
                            method = cal.getMethod();
                    }
                    writer.close();
                    icalPart = new ZMimeBodyPart();
                    icalPart.setText(writer.toString());
                    ContentType ct = new ContentType(MimeConstants.CT_TEXT_CALENDAR);
                    ct.setCharset(MimeConstants.P_CHARSET_UTF8);
                    if (method != null)
                        ct.setParameter("method", method.toString());
                    icalPart.setHeader("Content-Type", ct.toString());
                }
            }
        } catch (ServiceException e) {
            throw new MessagingException("TNEF to iCalendar conversion failure: " + e.getMessage(), e);
        } catch (Throwable t) {
            //don't allow TNEF errors to crash server
            ZimbraLog.extensions.warn("Failed to convert TNEF to iCal", t);
            throw new MessagingException("TNEF to iCalendar conversion failure");
        }
    }
    // create a multipart/alternative for the TNEF and its MIME version
    MimeMultipart altMulti = new ZMimeMultipart("alternative");
    //        altMulti.addBodyPart(bp);
    altMulti.addBodyPart(convertedPart);
    if (icalPart != null)
        altMulti.addBodyPart(icalPart);
    return altMulti;
}