Gurkengewuerz/go-autoresponder
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Towards first version.

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This commit is contained in:
urosj 2017-07-25 13:30:03 +02:00
parent 687862218f
commit 955de981d3
1 changed files with 57 additions and 6 deletions
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63
cmd/autoresponder.go
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@ -63,6 +63,13 @@ func setAutoresponseViaEmail(recipient, sender, saslUser, clientIp string) error
return nil
}
// Forward email using supplied arguments and stdin (email body)
func forwardEmailAndAutoresponse(recipient, sender, saslUser, clientIp string, responseRate uint) error {
//!!!
return nil
}
func main() {
// Connect to syslog
syslg, err := syslog.New(syslog.LOG_MAIL, "autoresponder")
@ -80,10 +87,11 @@ func main() {
disableAutoResponsePtr := flag.String("d", "", "Disable autoresponse")
enableExAutoResponsePtr := flag.String("E", "", "Enable existing autoresponse")
deleteAutoResponsePtr := flag.String("D", "", "Delete autoresponse")
instructions := flag.Bool("i", false, "Setup instructions")
instructionsPtr := flag.Bool("i", false, "Setup instructions")
responseRatePtr := flag.Uint("t", 86400, "Response rate in seconds (0 - send each time)")
flag.Parse()
DebugSyslogFmt(syslg, "Flags: Recipient: %v, Sender: %v, SASL authenticated username: %v, Client IP: %v, Enable autoresponse: %v, Disable autoresponse: %v, Enable existing autoresponse: %v, Delete autoresponse: %v, Setup instructions: %v",
DebugSyslogFmt(syslg, "Flags: Recipient: %v, Sender: %v, SASL authenticated username: %v, Client IP: %v, Enable autoresponse: %v, Disable autoresponse: %v, Enable existing autoresponse: %v, Delete autoresponse: %v, Setup instructions: %v, Response rate: %v",
*recipientPtr,
*senderPtr,
*saslUserPtr,
@ -92,10 +100,11 @@ func main() {
*disableAutoResponsePtr,
*enableExAutoResponsePtr,
*deleteAutoResponsePtr,
*instructions)
*instructionsPtr,
*responseRatePtr)
// If setup instructions are requested, just print them to stdout and exit
if *instructions {
if *instructionsPtr {
fmt.Print(`
How to make it work on a server with postfix installed:
=======================================================
@ -142,9 +151,12 @@ func main() {
}
DebugSyslogFmt(syslg, "mode=%v, sendResponse=%v, authenticated=%v\n", mode, sendResponse, authenticated)
// Little more validation of recipient and sender
// Remove path ('/') from both recipient and sender
*recipientPtr = strings.Replace(*recipientPtr, "/", "", -1)
*senderPtr = strings.Replace(*senderPtr, "/", "", -1)
recipientParts := strings.Split(*recipientPtr, "@")
senderParts := strings.Split(*senderPtr, "@")
// Little more validation of recipient and sender
if len(recipientParts) < 2 {
syslg.Err(fmt.Sprintf("Invalid recipient %v", *recipientPtr))
os.Exit(1)
@ -156,13 +168,52 @@ func main() {
// And now descision making
DebugSyslogFmt(syslg, "recipientUser=%v =? senderUser=%v\n", recipientParts[0], senderParts[0] + "+autoresponse")
if mode == 0 && authenticated && recipientParts[0] == senderParts[0] + "+autoresponse" {
switch true {
// - (un)set autoresponse via email
case mode == 0 && recipientParts[0] == senderParts[0] + "+autoresponse":
syslg.Info(fmt.Sprintf("Requested autoresponse (un)set via email for email %v", *senderPtr))
// Do not allow unauthenticated changes
if ! authenticated {
syslg.Warning(fmt.Sprintf("Unauthenticated attempt to set autoresponse message for %v from %v !",
*senderPtr, *clientIpPtr))
os.Exit(0)
}
err := setAutoresponseViaEmail(*recipientPtr, *senderPtr, *saslUserPtr, *clientIpPtr)
//!!!
if err != nil {
syslg.Err(err.Error())
os.Exit(1)
}
// - forward mail and either send response if set and enough time has passed
case mode == 0 && strings.Index(*recipientPtr, "+autoresponse") == -1:
syslg.Info(fmt.Sprintf("Requested email forward from %v, to %v", *senderPtr, *recipientPtr))
err := forwardEmailAndAutoresponse(*recipientPtr, *senderPtr, *saslUserPtr, *clientIpPtr, *responseRatePtr)
//!!!
if err != nil {
syslg.Err(err.Error())
os.Exit(1)
}
//!!!
// - set autoresponse via cli
case mode == 1 && *enableAutoResponsePtr != "":
//!!!
// - disable autoresponse via cli
case mode == 1 && *disableAutoResponsePtr != "":
//!!!
// - enable existing autoresponse via cli
case mode == 1 && *enableExAutoResponsePtr != "":
//!!!
// - delete existing autoresponse via cli
case mode == 1 && *deleteAutoResponsePtr != "":
//!!!
}
//!!!
}