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)
}
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
}