galleon/fleet/incoming/attachment.js

A badass SMTP mail server built on Node to make your life simpler.

// Essential
var fs = require('fs');
var path = require('path');
// Utilities
var async = require('async');
var _ = require('lodash');
// ID Generation
var crypto = require('crypto');

module.exports = {
  stream: function (_path_, eID, attachment) {
    attachment.id = eID + "_"
      + crypto.createHash('md5')
        .update(attachment.generatedFileName || attachment.fileName)
        .digest('hex');
    attachment.path = path.resolve(_path_, attachment.id);

    var output = fs.createWriteStream(attachment.path);
    attachment.stream.pipe(output);
  },
  save: function (_path_, databaseConnection, eID, attachments) {
    if (!attachments) return;

    var populatedAttachments = [];
    _.each(attachments || [], function (attachment) {
      attachment.id = eID + "_"
        + crypto.createHash('md5')
          .update(attachment.generatedFileName || attachment.fileName)
          .digest('hex');
      attachment.path = path.resolve(_path_, attachment.id);
      populatedAttachments.push({
        id: attachment.id,
        cid: attachment.contentId,
        fileName: attachment.fileName,
        path: attachment.path,

        transferEncoding: attachment.transferEncoding,
        contentType: attachment.contentType,
        checksum: attachment.checksum,
        length: attachment.length
      });
    })
    // Update Database
    databaseConnection.collections.mail.update({ 'eID': eID }, {
      attachments: populatedAttachments
    }, function (error, model) {
      /* Have this fall under verbose settings */
      if (error) console.error("EMAIL BOUNCED", error);
    });
  }
}