Example #1
0
func (d dirGroups) Subentity(name string, req he.Request) he.Entity {
	db := req.Things["db"].(*periwinkle.Tx)
	sess := req.Things["session"].(*backend.Session)
	grp := backend.GetGroupByID(db, name)
	if grp.ReadPublic == 1 {
		subscribed := backend.IsSubscribed(db, sess.UserID, *grp)
		if (grp.ReadConfirmed == 1 && subscribed == 1) || subscribed == 0 {
			return nil
		}
	}
	return (*group)(grp)
}
Example #2
0
func HandleEmail(r io.Reader, name string, db *periwinkle.Tx, cfg *periwinkle.Cfg) postfixpipe.ExitStatus {
	mdWriter := cfg.Mailstore.NewMail()
	if mdWriter == nil {
		periwinkle.Logf("Could not open maildir for writing: %q\n", cfg.Mailstore)
		return postfixpipe.EX_IOERR
	}

	// As we read the message, also write it to the maildir
	defer func() {
		if mdWriter != nil {
			mdWriter.Cancel()
		}
	}()
	r = io.TeeReader(r, mdWriter)

	// Read the message
	msg, err := mail.ReadMessage(r)
	if err != nil {
		return postfixpipe.EX_NOINPUT
	}

	// Figure out which group it was to
	group := backend.GetGroupByID(db, name)
	if group == nil {
		return postfixpipe.EX_NOUSER
	}

	// Figure out who sent it
	//user_email := msg.Header.Get("From")
	//user := backend.GetUserByAddress(db, "email", user_email)
	// check permissions
	//if user == nil || !CanPost(db, group, user.ID) {
	//	return postfixpipe.EX_NOPERM
	//}
	// Add it to the database
	backend.NewMessage(
		db,
		msg.Header.Get("Message-Id"),
		*group,
		mdWriter.Unique())
	mdWriter.Close()
	mdWriter = nil

	// Generate the list of who we're sending it to
	var forwardAry []string
	{
		// collect IDs of addresses subscribed to the group
		addressIDs := make([]int64, len(group.Subscriptions))
		for i := range group.Subscriptions {
			addressIDs[i] = group.Subscriptions[i].AddressID
		}

		// fetch all of those addresses
		var addressList []backend.UserAddress
		if len(addressIDs) > 0 {
			db.Where("id IN (?)", addressIDs).Find(&addressList)
		} else {
			addressList = make([]backend.UserAddress, 0)
		}

		// convert that list into a set
		forwardSet := make(map[string]bool, len(addressList))
		for _, addr := range addressList {
			if addr.Medium != "noop" && addr.Medium != "admin" {
				forwardSet[addr.AsEmailAddress()] = true
			}
		}

		// prune addresses that (should) already have the message
		for _, header := range []string{"To", "From", "Cc"} {
			addresses, err := msg.Header.AddressList(header)
			if err != nil {
				periwinkle.Logf("Parsing %q Header: %v\n", header, err)
			}
			for _, addr := range addresses {
				delete(forwardSet, addr.Address)
			}
		}
		// TODO: also prune addresses that belong to user.

		// convert the set into an array
		forwardAry = make([]string, len(forwardSet))
		i := uint(0)
		for addr := range forwardSet {
			forwardAry[i] = addr
			i++
		}
	}

	periwinkle.Logf("Forwarding message to group %q to user addresses %#v", group.ID, forwardAry)

	// format the message
	msg822 := []byte{}
	for k := range msg.Header {
		msg822 = append(msg822, []byte(fmt.Sprintf("%s: %s\r\n", k, msg.Header.Get(k)))...)
	}
	msg822 = append(msg822, []byte("\r\n")...)
	body, _ := ioutil.ReadAll(msg.Body) // TODO: error handling
	msg822 = append(msg822, body...)

	if len(forwardAry) > 0 {
		// send the message out
		err = smtp.SendMail("localhost:25",
			smtp.PlainAuth("", "", "", ""),
			msg.Header.Get("From"),
			forwardAry,
			msg822)
		if err != nil {
			periwinkle.Logf("Error sending: %v", err)
			return postfixpipe.EX_UNAVAILABLE
		}
	}
	return postfixpipe.EX_OK
}