forked from djak250/gmap_notifier
/
main.go
155 lines (138 loc) · 3.38 KB
/
main.go
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package main
import (
"bytes"
"fmt"
"github.com/gmap-notifier/gmap_notifier/config"
"log"
"net/mail"
"os"
"os/exec"
"strings"
"time"
// "github.com/davecgh/go-spew/spew"
"github.com/mxk/go-imap/imap"
)
var gmapConfig = &config.Config{}
var curMsgCount uint32 = 0
func init() {
if err := gmapConfig.ReadConfig(); err != nil {
log.Fatalf("Config error: %v", err)
}
}
func main() {
imap.DefaultLogger = log.New(os.Stdout, "", 0)
imap.DefaultLogMask = imap.LogConn | imap.LogRaw
for _, a := range gmapConfig.Accounts {
c := Dial(a.Server())
defer func() {
// ReportOK(c.Unsubscribe(folder))
ReportOK(c.Logout(30 * time.Second))
}()
if a.UseSSL && c.Caps["STARTTLS"] {
ReportOK(c.StartTLS(nil))
}
if c.Caps["ID"] {
ReportOK(c.ID("name", "goimap"))
}
ReportOK(c.Noop())
ReportOK(Login(c, a.UserName(), a.Password))
if c.Caps["QUOTA"] {
ReportOK(c.GetQuotaRoot("INBOX"))
}
for _, folder := range a.Folders {
ReportOK(c.Subscribe(folder.Name))
cmd := ReportOK(c.Select(folder.Name, true))
for _, rsp := range cmd.Data {
if rsp.Label == "EXISTS" {
folder.MsgCount = rsp.Fields[0].(uint32)
}
}
}
kickOffWatcher(c)
}
}
func kickOffWatcher(c *imap.Client) {
cmd, _ := c.Idle()
for cmd.InProgress() {
c.Data = nil
c.Recv(-1)
for _, rsp := range c.Data {
if rsp.Label == "EXISTS" {
newEmailCount := rsp.Fields[0].(uint32)
if newEmailCount > curMsgCount {
c.IdleTerm()
notifyNewEmail(c, newEmailCount)
kickOffWatcher(c)
}
curMsgCount = newEmailCount
}
}
}
}
func notifyNewEmail(c *imap.Client, mId uint32) {
set, _ := imap.NewSeqSet("")
set.AddNum(mId)
cmd := ReportOK(c.Fetch(set, "FLAGS", "RFC822.HEADER"))
for _, rsp := range cmd.Data {
header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"])
if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil {
subj := msg.Header.Get("Subject")
from := msg.Header.Get("From")
formattedFrom := strings.Split(from, " ")[0]
exec.Command(
"terminal-notifier",
"-message", subj,
"-title", "Mail From: "+formattedFrom+"",
"-sender", "com.apple.Mail",
).Output()
}
}
}
func Dial(addr string) (c *imap.Client) {
var err error
if strings.HasSuffix(addr, ":993") {
log.Println("Dialing with tls: ", addr)
c, err = imap.DialTLS(addr, nil)
} else {
log.Println("Dialing without tls: ", addr)
c, err = imap.Dial(addr)
}
if err != nil {
panic(err)
}
return c
}
func Login(c *imap.Client, user, pass string) (cmd *imap.Command, err error) {
defer c.SetLogMask(Sensitive(c, "LOGIN"))
return c.Login(user, pass)
}
func Sensitive(c *imap.Client, action string) imap.LogMask {
mask := c.SetLogMask(imap.LogConn)
hide := imap.LogCmd | imap.LogRaw
if mask&hide != 0 {
c.Logln(imap.LogConn, "Raw logging disabled during", action)
}
c.SetLogMask(mask &^ hide)
return mask
}
func ReportOK(cmd *imap.Command, err error) *imap.Command {
var rsp *imap.Response
log.Println("err", err)
if cmd == nil {
fmt.Printf("--- ??? ---\n%v\n\n", err)
panic(err)
} else if err == nil {
rsp, err = cmd.Result(imap.OK)
}
if err != nil {
fmt.Printf("--- %s ---\n%v\n\n", cmd.Name(true), err)
panic(err)
}
c := cmd.Client()
fmt.Printf("--- %s ---\n"+
"%d command response(s), %d unilateral response(s)\n"+
"%s %s\n\n",
cmd.Name(true), len(cmd.Data), len(c.Data), rsp.Status, rsp.Info)
c.Data = nil
return cmd
}