func getThreads(c *imap.Client) ([]Thread, error) {
set, err := imap.NewSeqSet("1:*")
cmd, err := imap.Wait(c.Fetch(set, "X-GM-THRID", "UID"))
if err != nil {
fmt.Println(err)
return nil, ErrBadConnection
}
var result []Thread
seen := make(map[string]int)
for _, rsp := range cmd.Data {
thrid := imap.AsString(rsp.MessageInfo().Attrs["X-GM-THRID"])
uid := imap.AsNumber(rsp.MessageInfo().Attrs["UID"])
if i, ok := seen[thrid]; ok {
result[i] = append(result[i], uid)
} else {
result = append(result, Thread{uid})
seen[thrid] = len(result) - 1
}
}
return result, nil
}
/**
* This method moves the mail associated with the given 'UID', from the folder where it currently
* resides, into the "toFolder" folder and sets its "Deleted" flag.
* After this operation, the following post condition holds, if a mail with the given UID existed
* in the original folder:
* - The mail in the original folder has its "Deleted" flag set
* - The folder 'newFolder' now contains a new mail with the Header and Content of the original
* mail (but with a new UID)
*
* ATTENTION:
* The original mail is NOT deleted from the folder where it resided (only its deleted flag is set).
* The deletion operation will happen when the IMAP connection is closed, or the EXPUNGE operation
* is called.
*
* @param uid The UID of the mail to be moved
* @param folder The folder in which the current mail resides (its source location)
* @param toFolder The folder the mail should be moved to (the target folder)
* @return Returns the UID of the newly created mail in the target folder or an error, if something
* went wrong.
*/
func (mc *MailCon) moveMail_internal(uid, folder, toFolder string) (uint32, error) {
var targetMbox string = mc.mailbox
// 1) First check if we need to select a specific folder in the mailbox or if it is root
if err := mc.selectFolder(folder, true); err != nil {
return 0, err
}
// 2) Assign necessary variables and initiate IMAP Copy process
set, _ := imap.NewSeqSet(uid)
if len(toFolder) > 0 && toFolder != "/" {
targetMbox = fmt.Sprintf("%s%s%s", mc.mailbox, mc.delim, toFolder)
}
cmd, err := mc.client.UIDCopy(set, targetMbox)
var resp *imap.Response
if resp, err = cmd.Result(imap.OK); err != nil {
return 0,
fmt.Errorf("[watney] ERROR waiting for result of copy command\n\t%s\n", err.Error())
}
// 3) Execute the copy process to copy the mail internally to the new folder
if _, err := mc.waitFor(mc.client.UIDStore(set, "+FLAGS",
SerializeFlags(&Flags{Deleted: true}))); err != nil {
return 0, fmt.Errorf("[watney] ERROR waiting for result of update flags command\n\t%s\n",
err.Error())
}
// 4) Check if the copy worked, and if so, return the new UID and no error
// The Response is an 'COPYUID' with the fields:
// [0] COPYUID:string | [1] internaldate:long64 | [2] Orig-UID:uint32 | [3] New-UID:uint32
// The Orig-UID resambles the given UID for the original mail
// The New-UID is the UID of the new mail stored in the 'toFolder'
if len(resp.Fields) == 4 {
return imap.AsNumber(resp.Fields[3]), nil
} else {
return 0, errors.New("[watney] WARNING: Copy completed without doing anyting\n")
}
}
// fetchIDs downloads the messages with the given IDs and invokes the callback for
// each message.
func (w *IMAPSource) fetchIDs(ids []uint32) error {
set, _ := imap.NewSeqSet("")
set.AddNum(ids...)
w.deletionSet, _ = imap.NewSeqSet("")
cmd, err := w.conn.Fetch(set, "RFC822", "UID", "FLAGS", "INTERNALDATE")
if err != nil {
logger.Errorf("FETCH failed: %s", err)
return err
}
for cmd.InProgress() {
w.conn.Recv(-1)
for _, rsp := range cmd.Data {
_ = w.handleMessage(rsp)
}
cmd.Data = nil
// Consume other server data
for _ = range w.conn.Data {
}
w.conn.Data = nil
}
if rsp, err := cmd.Result(imap.OK); err != nil {
if err == imap.ErrAborted {
logger.Errorf("FETCH command aborted")
} else {
logger.Errorf("FETCH error: %s", rsp.Info)
}
} else {
logger.Debugf("FETCH completed without errors")
}
if !w.deletePlainCopies {
return nil
}
if w.deletionSet.Empty() {
return nil
}
logger.Debugf("marking mails as deleted")
_, err = imap.Wait(w.conn.UIDStore(w.deletionSet, "+FLAGS", "(\\Deleted)"))
if err != nil {
logger.Errorf("failed to mark set=%v for deletion: %s", w.deletionSet.String(), err)
}
return err
}
/**
* Loads the header and the content of the mail for the given UIDs.
*/
func (mc *MailCon) LoadNMailsFromFolderWithSeqNbrs(folder string, seqNbrs []uint32) ([]Mail, error) {
mc.mutex.Lock()
defer mc.mutex.Unlock()
// TODO: Check if UIDs are below 1 and react accordingly
var seqNbrStrings []string = make([]string, len(seqNbrs))
for index, seqNbr := range seqNbrs {
// FIXME: This is a potential unsafe cast if the sequence number would be bigger than
// 2^31-1
seqNbrStrings[index] = strconv.Itoa(int(seqNbr))
}
set, _ := imap.NewSeqSet(strings.Join(seqNbrStrings, ","))
return mc.loadMails(set, folder, true, mc.client.Fetch)
}
/**
@param folder The folder to retrieve mails from
@param n > 0 The number of mails to retrieve from the folder in the mailbox
n <= 0 All mails that are saved within the folder
@param withContent True - Also loads the content of all mails
False - Only loads the headers of all mails
*/
func (mc *MailCon) LoadNMailsFromFolder(folder string, n int, withContent bool) ([]Mail, error) {
mc.mutex.Lock()
defer mc.mutex.Unlock()
// 1) Define the number of mails that should be loaded
var nbrMailsExp string
if n > 0 {
nbrMailsExp = fmt.Sprintf("1:%d", n)
} else {
nbrMailsExp = "1:*"
}
set, _ := imap.NewSeqSet(nbrMailsExp)
return mc.loadMails(set, folder, withContent, mc.client.Fetch)
}
/**
*
* ATTENTION:
* If the mail for the given UID can't be found in the given folder, no flags will be changed.
*
* @param folder The folder, this mail resides in, e.g., "/", "Sent", ...
* @param uid The unique server ID of this message
* @param add True - Sets the flag(s) as activated
* False - Removes the flag(s) (sets them as deactivated)
*/
func (mc *MailCon) UpdateMailFlags(folder, uid string, f *Flags, add bool) error {
mc.mutex.Lock()
defer mc.mutex.Unlock()
var task string
// 1) Select the folder in which the mail resides whose flags should be updated
if err := mc.selectFolder(folder, false); err != nil {
return err
}
// 2) Prepare parameters for update request and perform the request
if add {
task = "+"
} else {
task = "-"
}
set, _ := imap.NewSeqSet(uid)
_, err := mc.waitFor(mc.client.UIDStore(set, strings.Replace("*FLAGS", "*", task, 1),
SerializeFlags(f)))
return err
}
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()
}
}
}
/**
* Loads the header and the content of the mail for the given UID.
*/
func (mc *MailCon) LoadMailFromFolderWithUID(folder string, uid uint32) (Mail, error) {
mc.mutex.Lock()
defer mc.mutex.Unlock()
if uid < 1 {
return Mail{},
errors.New(fmt.Sprintf("Couldn't retrieve mail, because mail UID (%d) needs to "+
"be greater than 0", uid))
}
var (
mails MailSlice
err error
)
set, _ := imap.NewSeqSet(fmt.Sprintf("%d", uid))
if mails, err = mc.loadMails(set, folder, true, mc.client.UIDFetch); err != nil {
return Mail{},
errors.New(fmt.Sprintf("No mail could be retrieved for the given ID: %d; due to "+
"the error:\n%s\n", uid, err.Error()))
}
if len(mails) == 0 {
return Mail{},
errors.New(fmt.Sprintf("No mail found for the given ID: %d\n", uid))
}
return mails[0], err
}
//use imap to delete a mail
func (email *Email) DeleteEmail(w rest.ResponseWriter, r *rest.Request) {
log.Printf("delete email...")
addr := r.FormValue("imapAddr")
//port := r.FormValue("smtpPort")
user := r.FormValue("user")
pwd := r.FormValue("pwd")
id := r.FormValue("id")
//check params, return error
//create imap client
var (
c *imap.Client
cmd *imap.Command
rsp *imap.Response
)
// Connect to the server
c, _ = imap.Dial(addr)
// 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
}
//use Expunge to delete a mail
set, _ := imap.NewSeqSet("")
mid, _ := strconv.Atoi(id)
set.AddNum(uint32(mid))
//delete mail
cmd, err := c.Expunge(set)
if err != nil {
log.Printf("%v ", cmd)
} else {
log.Printf("delete mail ok")
}
}
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() {
imap.DefaultLogger = log.New(os.Stdout, "", 0)
imap.DefaultLogMask = imap.LogConn | imap.LogRaw
c := Dial(Addr)
defer func() { ReportOK(c.Logout(30 * time.Second)) }()
if c.Caps["STARTTLS"] {
ReportOK(c.StartTLS(nil))
}
if c.Caps["ID"] {
ReportOK(c.ID("name", "goimap"))
}
ReportOK(c.Noop())
ReportOK(Login(c, User, Pass))
if c.Caps["QUOTA"] {
ReportOK(c.GetQuotaRoot("INBOX"))
}
cmd := ReportOK(c.List("", ""))
delim := cmd.Data[0].MailboxInfo().Delim
mbox := MBox + delim + "Demo1"
if cmd, err := imap.Wait(c.Create(mbox)); err != nil {
if rsp, ok := err.(imap.ResponseError); ok && rsp.Status == imap.NO {
ReportOK(c.Delete(mbox))
}
ReportOK(c.Create(mbox))
} else {
ReportOK(cmd, err)
}
ReportOK(c.List("", MBox))
ReportOK(c.List("", mbox))
ReportOK(c.Rename(mbox, mbox+"2"))
ReportOK(c.Rename(mbox+"2", mbox))
ReportOK(c.Subscribe(mbox))
ReportOK(c.Unsubscribe(mbox))
ReportOK(c.Status(mbox))
ReportOK(c.Delete(mbox))
ReportOK(c.Create(mbox))
ReportOK(c.Select(mbox, true))
ReportOK(c.Close(false))
msg := []byte(strings.Replace(Msg[1:], "\n", "\r\n", -1))
ReportOK(c.Append(mbox, nil, nil, imap.NewLiteral(msg)))
ReportOK(c.Select(mbox, false))
ReportOK(c.Check())
fmt.Println(c.Mailbox)
cmd = ReportOK(c.UIDSearch("SUBJECT", c.Quote("GoIMAP")))
set, _ := imap.NewSeqSet("")
set.AddNum(cmd.Data[0].SearchResults()...)
ReportOK(c.Fetch(set, "FLAGS", "INTERNALDATE", "RFC822.SIZE", "BODY[]"))
ReportOK(c.UIDStore(set, "+FLAGS.SILENT", imap.NewFlagSet(`\Deleted`)))
ReportOK(c.Expunge(nil))
ReportOK(c.UIDSearch("SUBJECT", c.Quote("GoIMAP")))
fmt.Println(c.Mailbox)
ReportOK(c.Close(true))
ReportOK(c.Delete(mbox))
}
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)
}
}
}
// 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)
}
}
}
