func fetch(c *imap.Client, user string, thread Thread) ([]*ParsedMail, error) { var set imap.SeqSet for _, uid := range thread { set.AddNum(uid) } cmd, err := imap.Wait(c.UIDFetch(&set, "BODY[]", "X-GM-MSGID", "X-GM-THRID")) if err != nil { return nil, ErrBadConnection } parsed := make([]*ParsedMail, len(cmd.Data)) for i, rsp := range cmd.Data { p, err := parseMail(imap.AsBytes(rsp.MessageInfo().Attrs["BODY[]"]), user) if err != nil { return nil, err } link, err := gmailLink(imap.AsString(rsp.MessageInfo().Attrs["X-GM-MSGID"])) if err != nil { return nil, err } p.GmailLink = link p.Thrid = imap.AsString(rsp.MessageInfo().Attrs["X-GM-THRID"]) parsed[i] = p } return parsed, nil }
// newEmailMessage will parse an imap.FieldMap into an Email. This // will expect the message to container the internaldate and the body with // all headers included. func newEmail(msgFields imap.FieldMap) (Email, error) { var email Email // parse the header var message bytes.Buffer message.Write(imap.AsBytes(msgFields["RFC822.HEADER"])) message.Write([]byte("\n\n")) rawBody := imap.AsBytes(msgFields["BODY[]"]) message.Write(rawBody) msg, err := mail.ReadMessage(&message) if err != nil { return email, fmt.Errorf("unable to read header: %s", err) } from, err := mail.ParseAddress(msg.Header.Get("From")) if err != nil { return email, fmt.Errorf("unable to parse from address: %s", err) } to, err := mail.ParseAddressList(msg.Header.Get("To")) if err != nil { return email, fmt.Errorf("unable to parse to address: %s", err) } email = Email{ Message: msg, InternalDate: imap.AsDateTime(msgFields["INTERNALDATE"]), Precedence: msg.Header.Get("Precedence"), From: from, To: to, Subject: parseSubject(msg.Header.Get("Subject")), } // chunk the body up into simple chunks email.HTML, email.Text, email.IsMultiPart, err = parseBody(msg.Header, rawBody) return email, err }
// invokeMessageCallback extracts the relevant data from the passed FETCH response // and invokes the user-provided callback. func (w *IMAPSource) invokeMessageCallback(msgInfo *imap.MessageInfo) error { logger.Debugf("handling mail uid=%d", msgInfo.Attrs["UID"]) flags := imap.AsFlagSet(msgInfo.Attrs["FLAGS"]) idate := imap.AsDateTime(msgInfo.Attrs["INTERNALDATE"]) mailBytes := imap.AsBytes(msgInfo.Attrs["RFC822"]) mailLiteral := imap.NewLiteral(mailBytes) logger.Debugf("invoking message transformer") err := w.callbackFunc(flags, &idate, mailLiteral) if err == nil { logger.Debugf("message transformation successful") } else { logger.Warningf("message transformation failed: %s", err) } return err }
// newEmailMessage will parse an imap.FieldMap into an map[string]interface{}. This // will expect the message to container the internaldate and the body with // all headers included. func newEmailMessage(msgFields imap.FieldMap) (map[string]interface{}, error) { var email map[string]interface{} // parse the header rawHeader := imap.AsBytes(msgFields["RFC822.HEADER"]) msg, err := mail.ReadMessage(bytes.NewReader(rawHeader)) if err != nil { return email, err } email = map[string]interface{}{ "internal_date": imap.AsDateTime(msgFields["INTERNALDATE"]), "body": imap.AsString(msgFields["BODY[]"]), "from": msg.Header.Get("From"), "to": msg.Header.Get("To"), "subject": msg.Header.Get("Subject"), } return email, nil }
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() } } }
// fetchMessage send UID FETCH command to retrieve message body func fetchMessage(client *imap.Client, messageUID uint32) ([]byte, error) { seq := new(imap.SeqSet) seq.AddNum(messageUID) cmd, err := imap.Wait(client.UIDFetch(seq, "INTERNALDATE", "BODY[]", "UID", "RFC822.HEADER")) if err != nil { logger.Errorf("Unable to fetch message (%d): %s", messageUID, err.Error()) return nil, nil } if len(cmd.Data) == 0 { logger.WithField("uid", messageUID).Info("Unable to fetch message from src: NO DATA") return nil, errors.New("message not found") } msgFields := cmd.Data[0].MessageInfo().Attrs body := imap.AsBytes(msgFields["BODY[]"]) cmd.Data = nil return body, nil }
func (emaill *Email) getEmailContentUseIMAP(w rest.ResponseWriter, r *rest.Request) { addr := r.FormValue("imapAddr") port := r.FormValue("imapPort") user := r.FormValue("user") pwd := r.FormValue("pwd") id := r.FormValue("id") address := addr + ":" + port log.Printf("get email content use imap %s\n", address) var ( c *imap.Client cmd *imap.Command rsp *imap.Response ) // Connect to the server c, err := imap.Dial(addr) if err != nil { log.Printf("dial %s error\n", address) return } // Remember to log out and close the connection when finished defer c.Logout(30 * time.Second) // Print server greeting (first response in the unilateral server data queue) log.Printf("Server says hello:%s", c.Data[0].Info) c.Data = nil // Enable encryption, if supported by the server if c.Caps["STARTTLS"] { c.StartTLS(nil) } // Authenticate if c.State() == imap.Login { c.Login(user, pwd) } // List all top-level mailboxes, wait for the command to finish cmd, _ = imap.Wait(c.List("", "%")) // Print mailbox information log.Printf("\nTop-level mailboxes:") for _, rsp = range cmd.Data { log.Printf("|--%s", rsp.MailboxInfo()) } // Check for new unilateral server data responses for _, rsp = range c.Data { log.Printf("Server data:%s", rsp) } c.Data = nil // Open a mailbox (synchronous command - no need for imap.Wait) c.Select("INBOX", true) log.Printf("\nMailbox status:%s\n", c.Mailbox) if c.Mailbox == nil { resp := EmailJsonResponse{Success: true} w.WriteJson(&resp) return } // Fetch the headers of the 10 most recent messages set, _ := imap.NewSeqSet("") set.Add(id) // if c.Mailbox.Messages >= 10 { // set.AddRange(c.Mailbox.Messages-9, c.Mailbox.Messages) //测试只取最新一封邮件 // } else { // set.Add("1:*") // } cmd, _ = c.Fetch(set, "RFC822.HEADER", "RFC822.TEXT") //指定要获取的内容 // Process responses while the command is running log.Printf("\nget mail [%s] messages:", id) for cmd.InProgress() { // Wait for the next response (no timeout) c.Recv(-1) // Process command data for _, rsp = range cmd.Data { header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { subject := msg.Header.Get("Subject") log.Printf("|--%s", subject) realSubject := GetRealSubject(subject) log.Printf("in rest_email.go: get real subject") log.Printf(realSubject) senderAddr := msg.Header.Get("From") recverAddrList := msg.Header.Get("To") realSenderAddr := GetRealSubject(senderAddr) realRecverAddrList := GetRealSubject(recverAddrList) body := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.TEXT"]) //log.Printf("email body: %s", body) //realBody := GetRealBody(string(body)) headerAndBody := make([]byte, len(header)+len(body)) copy(headerAndBody, header) copy(headerAndBody[len(header):], body) msg, _ := mail.ReadMessage(bytes.NewReader(headerAndBody)) mime, _ := enmime.ParseMIMEBody(msg) realBody := mime.Text //如果原始内容为html,会去掉html元素标签 log.Printf("real body: %s", realBody) //获取MIMEPart所有节点内容 // log.Printf("root ======================") // root := mime.Root // if root != nil { // log.Printf(string(root.Content())) // log.Printf("child==========") // if child := root.FirstChild(); child != nil { // log.Printf(string(child.Content())) // } // } attachments := mime.Attachments log.Printf("attachments len=%d", len(attachments)) count := len(attachments) var attachmentList []Attachment = nil var data EmailContent if count > 0 { attachmentList = make([]Attachment, count) for i := 0; i < len(attachments); i++ { name := attachments[i].FileName() content := attachments[i].Content() //todo encode by base64 log.Printf("name===%s", name) attachmentList[i] = Attachment{Name: name, Body: string(content)} } } data = EmailContent{Subject: realSubject, SenderAddr: realSenderAddr, RecverAddrList: realRecverAddrList, Content: realBody, Attachments: attachmentList} resp := EmailJsonResponse{Success: true, Data: data} w.WriteJson(resp) } } cmd.Data = nil // Process unilateral server data for _, rsp = range c.Data { log.Printf("Server data:%s", rsp) } c.Data = nil } // Check command completion status if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { log.Printf("Fetch command aborted\n") } else { log.Printf("Fetch error:%s\n", rsp.Info) } } }
// updateTray is called whenever a client detects that the number of unseen // messages *may* have changed. It will search the selected folder for unseen // messages, count them and store the result. Then it will use the notify // channel to let our main process update the status icon. func UpdateTray(c *imap.Client, notify chan bool, name string) { // Send > Search since Search adds CHARSET UTF-8 which might not be supported cmd, err := c.Send("SEARCH", "UNSEEN") if err != nil { fmt.Printf("%s failed to look for new messages\n", name) fmt.Println(" ", err) return } if _, ok := Unseen[name]; !ok { Unseen[name] = []uint32{} } unseenMessages := []uint32{} for cmd.InProgress() { // Wait for the next response (no timeout) err = c.Recv(-1) // Process command data for _, rsp := range cmd.Data { result := rsp.SearchResults() unseenMessages = append(unseenMessages, result...) } // Reset for next run cmd.Data = nil c.Data = nil } // Check command completion status if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { fmt.Println("fetch command aborted") } else { fmt.Println("fetch error:", rsp.Info) } return } fmt.Printf("%d unseen\n", len(unseenMessages)) // Find messages that the user hasn't been notified of // TODO: Make this optional/configurable newUnseen, _ := imap.NewSeqSet("") numNewUnseen := 0 for _, uid := range unseenMessages { seen := false for _, olduid := range Unseen[name] { if olduid == uid { seen = true break } } if !seen { newUnseen.AddNum(uid) numNewUnseen++ } } // If we do have new unseen messages, fetch and display them if numNewUnseen > 0 { messages := make([]string, numNewUnseen) i := 0 // Fetch headers... cmd, _ = c.Fetch(newUnseen, "RFC822.HEADER") for cmd.InProgress() { c.Recv(-1) for _, rsp := range cmd.Data { header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { subject := msg.Header.Get("Subject") messages[i], err = new(mime.WordDecoder).DecodeHeader(subject) if err != nil { messages[i] = subject } i++ } } cmd.Data = nil c.Data = nil } // Print them in reverse order to get newest first notification := "" for ; i > 0; i-- { notification += "> " + messages[i-1] + "\n" } notification = strings.TrimRight(notification, "\n") fmt.Println(notification) // And send them with notify-send! title := fmt.Sprintf("%s has new mail (%d unseen)", name, len(unseenMessages)) sh := exec.Command("/usr/bin/notify-send", "-i", "notification-message-email", "-c", "email", title, notification) err := sh.Start() if err != nil { fmt.Println("Failed to notify user...") fmt.Println(err) } go func() { // collect exit code to avoid zombies sh.Wait() }() } Unseen[name] = unseenMessages // Let main process know something has changed notify <- true }
func main() { token := flag.String("token", "", "The Telegram bot token") to := flag.String("to", "", "The mail recipient") from := flag.String("from", "", "The mail sender") server := flag.String("server", "", "The mail server") port := flag.Int("port", 587, "The mail server port") user := flag.String("user", "", "") pass := flag.String("pass", "", "") subject := flag.String("subject", "", "") flag.Parse() bot, err := telebot.NewBot(*token) if err != nil { return } // Fetching Mails and send as Telegram messages var ( c *imap.Client cmd *imap.Command rsp *imap.Response ) c, _ = imap.Dial(*server) defer c.Logout(30 * time.Second) c.Data = nil if c.Caps["STARTTLS"] { c.StartTLS(nil) } if c.State() == imap.Login { c.Login(*user, *pass) } cmd, _ = imap.Wait(c.List("", "%")) c.Data = nil c.Select("INBOX", true) set, _ := imap.NewSeqSet("") set.Add("1:*") cmd, _ = c.Fetch(set, "RFC822.HEADER") for cmd.InProgress() { c.Recv(-1) for _, rsp = range cmd.Data { header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { fmt.Println("|--", msg.Header.Get("FROM")) } } cmd.Data = nil c.Data = nil } if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { fmt.Println("Fetch command aborted") } else { fmt.Println("Fetch error:", rsp.Info) } } /* * Listen to Telegram messages and send as mail */ messages := make(chan telebot.Message) bot.Listen(messages, 1*time.Second) for message := range messages { m := gomail.NewMessage() m.SetHeader("From", *from) m.SetHeader("To", *to) m.SetHeader("Subject", *subject) m.SetBody("text/html", message.Text) d := gomail.NewPlainDialer(*server, *port, *user, *pass) d.TLSConfig = &tls.Config{InsecureSkipVerify: true} if err := d.DialAndSend(m); err != nil { panic(err) } } }
// CheckNewMails Check if exist a new mail and post it func (m *MatterMail) CheckNewMails() error { m.debg.Println("CheckNewMails") if err := m.CheckImapConnection(); err != nil { return err } var ( cmd *imap.Command rsp *imap.Response ) // Open a mailbox (synchronous command - no need for imap.Wait) m.imapClient.Select("INBOX", false) var specs []imap.Field specs = append(specs, "UNSEEN") seq := &imap.SeqSet{} // get headers and UID for UnSeen message in src inbox... cmd, err := imap.Wait(m.imapClient.UIDSearch(specs...)) if err != nil { m.debg.Println("Error UIDSearch UTF-8:") m.debg.Println(err) m.debg.Println("Try with US-ASCII") // try again with US-ASCII cmd, err = imap.Wait(m.imapClient.Send("UID SEARCH", append([]imap.Field{"CHARSET", "US-ASCII"}, specs...)...)) if err != nil { m.eror.Println("UID SEARCH US-ASCII") return err } } for _, rsp := range cmd.Data { for _, uid := range rsp.SearchResults() { m.debg.Println("CheckNewMails:AddNum ", uid) seq.AddNum(uid) } } // no new messages if seq.Empty() { m.debg.Println("CheckNewMails: No new messages") return nil } cmd, _ = m.imapClient.UIDFetch(seq, "BODY[]") postmail := false for cmd.InProgress() { m.debg.Println("CheckNewMails: cmd in Progress") // Wait for the next response (no timeout) m.imapClient.Recv(-1) // Process command data for _, rsp = range cmd.Data { msgFields := rsp.MessageInfo().Attrs header := imap.AsBytes(msgFields["BODY[]"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { m.debg.Println("CheckNewMails:PostMail") if err := m.PostMail(msg); err != nil { return err } postmail = true } } cmd.Data = nil } // Check command completion status if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { m.eror.Println("Fetch command aborted") return err } m.eror.Println("Fetch error:", rsp.Info) return err } cmd.Data = nil if postmail { m.debg.Println("CheckNewMails: Mark all messages with flag \\Seen") //Mark all messages seen _, err = imap.Wait(m.imapClient.UIDStore(seq, "+FLAGS.SILENT", `\Seen`)) if err != nil { m.eror.Println("Error UIDStore \\Seen") return err } } return nil }
// Fetch email for the specified user and host. func Fetch(host, user, pass string) { c, err := imap.Dial(host) if err != nil { log.Print(err) return } defer c.Logout(30 * time.Second) log.Println("Server says hello:", c.Data[0].Info) c.Data = nil if c.Caps["STARTTLS"] { c.StartTLS(nil) } if c.State() == imap.Login { c.Login(user, pass) } cmd, err := imap.Wait(c.List("", "%")) if err != nil { log.Print(err) return } log.Println("\nTop-level mailboxes:") for _, rsp := range cmd.Data { log.Println("|--", rsp.MailboxInfo()) } for _, rsp := range c.Data { log.Println("Server data:", rsp) } c.Data = nil c.Select("INBOX", true) log.Print("\nMailbox status:\n", c.Mailbox) set, _ := imap.NewSeqSet("") if c.Mailbox.Messages >= 10 { set.AddRange(c.Mailbox.Messages-9, c.Mailbox.Messages) } else { set.Add("1:*") } cmd, _ = c.Fetch(set, "RFC822.HEADER") log.Println("\nMost recent messages:") for cmd.InProgress() { // Wait for the next response (no timeout) c.Recv(-1) // Process command data for _, rsp := range cmd.Data { header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { log.Println("|--", msg.Header.Get("Subject")) } } cmd.Data = nil // Process unilateral server data for _, rsp := range c.Data { log.Println("Server data:", rsp) } c.Data = nil } if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { log.Println("Fetch command aborted") } else { log.Println("Fetch error:", rsp.Info) } } }
func transferMbox(c *cli.Context) { source := c.Args().Get(0) target := c.Args().Get(1) if source == "" || target == "" { log.Fatal("Bitte Quell- und Zielordner angeben, z.B.: mailporter transfer INBOX INBOX") } n := imapConnect(notes) defer n.Logout(30 * time.Second) _, err := n.Select(source, true) if err != nil { log.Fatal("Kein Zugriff auf %s/%s. Fehler: %s", notes, source, err.Error()) } e := imapConnect(exchange) defer e.Logout(30 * time.Second) fmt.Println("Ermittle zu übertragende Mails...") criteria := []string{"ALL"} if c.String("before") != "" { criteria = append(criteria, "BEFORE "+c.String("before")) } nc, err := imap.Wait(n.UIDSearch(strings.Join(criteria, " "))) var mails []uint32 for _, r := range nc.Data { mails = r.SearchResults() } reader := bufio.NewReader(os.Stdin) fmt.Printf("%d Mails sind zu übertragen. Fortfahren (j oder n)? ", len(mails)) cont, _ := reader.ReadString('\n') if strings.TrimSpace(cont) != "j" { return } fmt.Printf("Übertrage Mails.\n") bar := pb.StartNew(len(mails)) set, _ := imap.NewSeqSet("") for _, mid := range mails { set.AddNum(mid) } fetch, err := n.UIDFetch(set, "BODY.PEEK[]") if err != nil { log.Fatalf("Konnte Mails nicht laden: ", err) } flags := map[string]bool{ "\\Seen": true, } for fetch.InProgress() { n.Recv(-1) for _, r := range fetch.Data { i := r.MessageInfo() if i.Size >= maxSize { m, err := mail.ReadMessage(bytes.NewReader(imap.AsBytes(i.Attrs["BODY[]"]))) if err != nil { log.Fatal(err) } date, _ := m.Header.Date() datestring := date.Format(time.RFC822) fmt.Printf("WARNUNG: Mail '%s' (%s, von %s) ist zu groß für Exchange. Überspringe.\n", m.Header.Get("Subject"), datestring, m.Header.Get("From")) fetch.Data = nil n.Data = nil continue } _, err := imap.Wait(e.Append(target, flags, nil, imap.NewLiteral(imap.AsBytes(i.Attrs["BODY[]"])))) if err != nil { fmt.Printf("WARNUNG: Konnte Mail nicht auf Exchange speichern.\nFehler: %s\n", err.Error()) m, err := mail.ReadMessage(bytes.NewReader(imap.AsBytes(i.Attrs["BODY[]"]))) if err != nil { log.Fatal(err) } date, _ := m.Header.Date() datestring := date.Format(time.RFC822) fmt.Println("Von: ", m.Header.Get("From")) fmt.Println("Betreff: ", m.Header.Get("Subject")) fmt.Println("Datum: ", datestring) e.Logout(0) e = imapConnect(exchange) defer e.Logout(30 * time.Second) fetch.Data = nil n.Data = nil continue } bar.Increment() } fetch.Data = nil n.Data = nil } }
func ExampleClient() { // // Note: most of error handling code is omitted for brevity // var ( c *imap.Client cmd *imap.Command rsp *imap.Response ) // Connect to the server c, _ = imap.Dial("imap.example.com") // Remember to log out and close the connection when finished defer c.Logout(30 * time.Second) // Print server greeting (first response in the unilateral server data queue) fmt.Println("Server says hello:", c.Data[0].Info) c.Data = nil // Enable encryption, if supported by the server if c.Caps["STARTTLS"] { c.StartTLS(nil) } // Authenticate if c.State() == imap.Login { c.Login("*****@*****.**", "mysupersecretpassword") } // List all top-level mailboxes, wait for the command to finish cmd, _ = imap.Wait(c.List("", "%")) // Print mailbox information fmt.Println("\nTop-level mailboxes:") for _, rsp = range cmd.Data { fmt.Println("|--", rsp.MailboxInfo()) } // Check for new unilateral server data responses for _, rsp = range c.Data { fmt.Println("Server data:", rsp) } c.Data = nil // Open a mailbox (synchronous command - no need for imap.Wait) c.Select("INBOX", true) fmt.Print("\nMailbox status:\n", c.Mailbox) // Fetch the headers of the 10 most recent messages set, _ := imap.NewSeqSet("") if c.Mailbox.Messages >= 10 { set.AddRange(c.Mailbox.Messages-9, c.Mailbox.Messages) } else { set.Add("1:*") } cmd, _ = c.Fetch(set, "RFC822.HEADER") // Process responses while the command is running fmt.Println("\nMost recent messages:") for cmd.InProgress() { // Wait for the next response (no timeout) c.Recv(-1) // Process command data for _, rsp = range cmd.Data { header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"]) if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil { fmt.Println("|--", msg.Header.Get("Subject")) } } cmd.Data = nil // Process unilateral server data for _, rsp = range c.Data { fmt.Println("Server data:", rsp) } c.Data = nil } // Check command completion status if rsp, err := cmd.Result(imap.OK); err != nil { if err == imap.ErrAborted { fmt.Println("Fetch command aborted") } else { fmt.Println("Fetch error:", rsp.Info) } } }