Examples with MimeMessageParser org.apache.commons.mail.util.MimeMessageParser used on opensource projects

Example 1 with MimeMessageParser

use of org.apache.commons.mail.util.MimeMessageParser in project webofneeds by researchstudio-sat.

the class MailFileNeedProducer method readNeedFromFile.

@Override
public synchronized Dataset readNeedFromFile(final File file) throws IOException {
    logger.debug("processing as mail file: {} ", file);
    FileInputStream fis = new FileInputStream(file);
    DefaultNeedModelWrapper needModelWrapper = new DefaultNeedModelWrapper("no:uri");
    try {
        MimeMessage emailMessage = new MimeMessage(null, fis);
        MimeMessageParser parser = new MimeMessageParser(emailMessage);
        parser.parse();
        needModelWrapper.setTitle(needContentPropertyType, parser.getSubject());
        String content = null;
        if (parser.hasPlainContent()) {
            content = parser.getPlainContent();
        } else if (parser.hasHtmlContent()) {
            Document doc = Jsoup.parse(parser.getHtmlContent());
            content = doc.text();
        }
        if (content != null) {
            needModelWrapper.setDescription(needContentPropertyType, content);
        }
        logger.debug("mail subject          : {}", parser.getSubject());
        logger.debug("mail has plain content: {}", parser.hasPlainContent());
        logger.debug("mail has html content : {}", parser.hasHtmlContent());
        logger.debug("mail has attachments  : {}", parser.hasAttachments());
        logger.debug("mail plain content    : {}", StringUtils.abbreviate(parser.getPlainContent(), 200));
        logger.debug("mail html content     : {}", StringUtils.abbreviate(parser.getHtmlContent(), 200));
        return needModelWrapper.copyDataset();
    } catch (Exception e) {
        logger.error("could not parse email from file {} ", file, e);
    } finally {
        if (fis != null)
            fis.close();
    }
    return null;
}

Example 2 with MimeMessageParser

use of org.apache.commons.mail.util.MimeMessageParser in project nifi by apache.

the class ExtractEmailAttachments method onTrigger.

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    final ComponentLog logger = getLogger();
    final FlowFile originalFlowFile = session.get();
    if (originalFlowFile == null) {
        return;
    }
    final List<FlowFile> attachmentsList = new ArrayList<>();
    final List<FlowFile> invalidFlowFilesList = new ArrayList<>();
    final List<FlowFile> originalFlowFilesList = new ArrayList<>();
    final String requireStrictAddresses = "false";
    session.read(originalFlowFile, new InputStreamCallback() {

        @Override
        public void process(final InputStream rawIn) throws IOException {
            try (final InputStream in = new BufferedInputStream(rawIn)) {
                Properties props = new Properties();
                props.put("mail.mime.address.strict", requireStrictAddresses);
                Session mailSession = Session.getInstance(props);
                MimeMessage originalMessage = new MimeMessage(mailSession, in);
                MimeMessageParser parser = new MimeMessageParser(originalMessage).parse();
                // RFC-2822 determines that a message must have a "From:" header
                // if a message lacks the field, it is flagged as invalid
                Address[] from = originalMessage.getFrom();
                if (from == null) {
                    throw new MessagingException("Message failed RFC-2822 validation: No Sender");
                }
                Date sentDate = originalMessage.getSentDate();
                if (sentDate == null) {
                    // Throws MessageException due to lack of minimum required headers
                    throw new MessagingException("Message failed RFC2822 validation: No Sent Date");
                }
                originalFlowFilesList.add(originalFlowFile);
                if (parser.hasAttachments()) {
                    final String originalFlowFileName = originalFlowFile.getAttribute(CoreAttributes.FILENAME.key());
                    try {
                        for (final DataSource data : parser.getAttachmentList()) {
                            FlowFile split = session.create(originalFlowFile);
                            final Map<String, String> attributes = new HashMap<>();
                            if (StringUtils.isNotBlank(data.getName())) {
                                attributes.put(CoreAttributes.FILENAME.key(), data.getName());
                            }
                            if (StringUtils.isNotBlank(data.getContentType())) {
                                attributes.put(CoreAttributes.MIME_TYPE.key(), data.getContentType());
                            }
                            String parentUuid = originalFlowFile.getAttribute(CoreAttributes.UUID.key());
                            attributes.put(ATTACHMENT_ORIGINAL_UUID, parentUuid);
                            attributes.put(ATTACHMENT_ORIGINAL_FILENAME, originalFlowFileName);
                            split = session.append(split, new OutputStreamCallback() {

                                @Override
                                public void process(OutputStream out) throws IOException {
                                    IOUtils.copy(data.getInputStream(), out);
                                }
                            });
                            split = session.putAllAttributes(split, attributes);
                            attachmentsList.add(split);
                        }
                    } catch (FlowFileHandlingException e) {
                        // Something went wrong
                        // Removing splits that may have been created
                        session.remove(attachmentsList);
                        // Removing the original flow from its list
                        originalFlowFilesList.remove(originalFlowFile);
                        logger.error("Flowfile {} triggered error {} while processing message removing generated FlowFiles from sessions", new Object[] { originalFlowFile, e });
                        invalidFlowFilesList.add(originalFlowFile);
                    }
                }
            } catch (Exception e) {
                // Another error hit...
                // Removing the original flow from its list
                originalFlowFilesList.remove(originalFlowFile);
                logger.error("Could not parse the flowfile {} as an email, treating as failure", new Object[] { originalFlowFile, e });
                // Message is invalid or triggered an error during parsing
                invalidFlowFilesList.add(originalFlowFile);
            }
        }
    });
    session.transfer(attachmentsList, REL_ATTACHMENTS);
    // As per above code, originalFlowfile may be routed to invalid or
    // original depending on RFC2822 compliance.
    session.transfer(invalidFlowFilesList, REL_FAILURE);
    session.transfer(originalFlowFilesList, REL_ORIGINAL);
    if (attachmentsList.size() > 10) {
        logger.info("Split {} into {} files", new Object[] { originalFlowFile, attachmentsList.size() });
    } else if (attachmentsList.size() > 1) {
        logger.info("Split {} into {} files: {}", new Object[] { originalFlowFile, attachmentsList.size(), attachmentsList });
    }
}

Example 3 with MimeMessageParser

use of org.apache.commons.mail.util.MimeMessageParser in project nifi by apache.

the class ExtractEmailHeaders method onTrigger.

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    final ComponentLog logger = getLogger();
    final List<FlowFile> invalidFlowFilesList = new ArrayList<>();
    final List<FlowFile> processedFlowFilesList = new ArrayList<>();
    final FlowFile originalFlowFile = session.get();
    if (originalFlowFile == null) {
        return;
    }
    final String requireStrictAddresses = context.getProperty(STRICT_PARSING).getValue();
    final List<String> capturedHeadersList = Arrays.asList(context.getProperty(CAPTURED_HEADERS).getValue().toLowerCase().split(":"));
    final Map<String, String> attributes = new HashMap<>();
    session.read(originalFlowFile, new InputStreamCallback() {

        @Override
        public void process(final InputStream rawIn) throws IOException {
            try (final InputStream in = new BufferedInputStream(rawIn)) {
                Properties props = new Properties();
                props.put("mail.mime.address.strict", requireStrictAddresses);
                Session mailSession = Session.getInstance(props);
                MimeMessage originalMessage = new MimeMessage(mailSession, in);
                MimeMessageParser parser = new MimeMessageParser(originalMessage).parse();
                // RFC-2822 determines that a message must have a "From:" header
                // if a message lacks the field, it is flagged as invalid
                Address[] from = originalMessage.getFrom();
                if (from == null) {
                    throw new MessagingException("Message failed RFC-2822 validation: No Sender");
                }
                Date sentDate = originalMessage.getSentDate();
                if (sentDate == null) {
                    // Throws MessageException due to lack of minimum required headers
                    throw new MessagingException("Message failed RFC-2822 validation: No Sent Date");
                } else if (capturedHeadersList.size() > 0) {
                    Enumeration headers = originalMessage.getAllHeaders();
                    while (headers.hasMoreElements()) {
                        Header header = (Header) headers.nextElement();
                        if (StringUtils.isNotEmpty(header.getValue()) && capturedHeadersList.contains(header.getName().toLowerCase())) {
                            attributes.put("email.headers." + header.getName().toLowerCase(), header.getValue());
                        }
                    }
                }
                putAddressListInAttributes(attributes, EMAIL_HEADER_TO, originalMessage.getRecipients(Message.RecipientType.TO));
                putAddressListInAttributes(attributes, EMAIL_HEADER_CC, originalMessage.getRecipients(Message.RecipientType.CC));
                putAddressListInAttributes(attributes, EMAIL_HEADER_BCC, originalMessage.getRecipients(Message.RecipientType.BCC));
                // RFC-2822 specifies "From" as mailbox-list
                putAddressListInAttributes(attributes, EMAIL_HEADER_FROM, originalMessage.getFrom());
                if (StringUtils.isNotEmpty(originalMessage.getMessageID())) {
                    attributes.put(EMAIL_HEADER_MESSAGE_ID, originalMessage.getMessageID());
                }
                if (originalMessage.getReceivedDate() != null) {
                    attributes.put(EMAIL_HEADER_RECV_DATE, originalMessage.getReceivedDate().toString());
                }
                if (originalMessage.getSentDate() != null) {
                    attributes.put(EMAIL_HEADER_SENT_DATE, originalMessage.getSentDate().toString());
                }
                if (StringUtils.isNotEmpty(originalMessage.getSubject())) {
                    attributes.put(EMAIL_HEADER_SUBJECT, originalMessage.getSubject());
                }
                // Zeroes EMAIL_ATTACHMENT_COUNT
                attributes.put(EMAIL_ATTACHMENT_COUNT, "0");
                // But insert correct value if attachments are present
                if (parser.hasAttachments()) {
                    attributes.put(EMAIL_ATTACHMENT_COUNT, String.valueOf(parser.getAttachmentList().size()));
                }
            } catch (Exception e) {
                // Message is invalid or triggered an error during parsing
                attributes.clear();
                logger.error("Could not parse the flowfile {} as an email, treating as failure", new Object[] { originalFlowFile, e });
                invalidFlowFilesList.add(originalFlowFile);
            }
        }
    });
    if (attributes.size() > 0) {
        FlowFile updatedFlowFile = session.putAllAttributes(originalFlowFile, attributes);
        logger.info("Extracted {} headers into {} file", new Object[] { attributes.size(), updatedFlowFile });
        processedFlowFilesList.add(updatedFlowFile);
    }
    session.transfer(processedFlowFilesList, REL_SUCCESS);
    session.transfer(invalidFlowFilesList, REL_FAILURE);
}