func main() {
log.Printf("Connect to %s\n", serverAddress)
var client *pop3.Client
var dialErr error
if secure {
client, dialErr = pop3.DialTLS(serverAddress)
} else {
client, dialErr = pop3.Dial(serverAddress)
}
checkErr(dialErr)
authErr := client.Auth(username, password)
checkErr(authErr)
log.Println("Fetching mailbox stat")
cmdErr := PrintMailBoxStat(client)
checkErr(cmdErr)
log.Println("Downloading mails")
err := ScanMailbox(client)
checkErr(err)
log.Println("Finished to download all of mails")
}
// Process mails at configured POP3 account
// and return a nagios state, including message reflecting what happened
func ProcessMails() (state nagios.Status, message string) {
hp := net.JoinHostPort(Account.Host, Account.Port)
info("Dialing %v ...", hp)
client, err := pop3.DialTLS(hp)
if err != nil {
return nagios.UNKNOWN, err.Error()
}
// Send QUIT, so DELEted mails get expunged from the mailbox
defer client.Quit()
info("Authorizing as %v ...", Account.Email)
if err = client.Auth(Account.Email, Account.Password); err != nil {
return nagios.UNKNOWN, err.Error()
}
info("Retrieving messages ids ...")
msgId, _, err := client.ListAll()
if err != nil {
return nagios.UNKNOWN, err.Error()
}
info("Got %v message ids", len(msgId))
for i, id := range msgId {
info("Retrieving message %v/%v id = %v", i+1, len(msgId), id)
msg, err := client.Retr(id)
if err != nil {
return nagios.UNKNOWN, err.Error()
}
info("Retrieved %v bytes", len(msg))
imp, err := ums.ExtractImportResult(strings.NewReader(msg))
if err != nil {
// Not for us
if err == ums.ErrWrongSender {
info("Message %v is not for UMS check", msgId)
continue
}
return nagios.UNKNOWN, err.Error()
}
if delete_after {
err := client.Dele(id)
if err != nil {
info("Error deleting processed mail %v, Error %v", id, err)
} else {
info("Deleted processed mail %v", id)
}
}
if imp.Successful() {
return nagios.OK, "UMS import successful"
} else {
err := &ums.ImportError{Import: imp}
return nagios.WARNING, err.Error()
}
}
// TODO(nightlyone): Use statefile, make it sticky or use nagios stalking
return nagios.OK, "No mails for us"
}