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| package main
import (
"github.com/emersion/go-imap"
id "github.com/emersion/go-imap-id"
"github.com/emersion/go-imap/client"
"github.com/emersion/go-message/charset"
"github.com/emersion/go-message/mail"
"io"
"log"
"net/http"
"strings"
"sync"
"time"
)
func main() {
err := handle()
if err != nil {
log.Fatal(err)
}
}
const Address = "imap.163.com:993"
const Username = "hhhhhhhhhhhhhhhhhhhhh@163.com"
const Password = "hhhhhhhhhhhhhhhhhhhhh"
var history = new(sync.Map)
func handle() error {
cli, err := client.DialTLS(Address, nil)
if err != nil {
return err
}
defer cli.Close()
cli2 := id.NewClient(cli)
_, err = cli2.ID(
id.ID{
id.FieldName: "IMAPClient",
id.FieldVersion: "1.2.0",
},
)
if err != nil {
return err
}
err = cli.Login(Username, Password)
if err != nil {
return err
}
defer cli.Logout()
mbox, err := cli.Select("INBOX", false)
if err != nil {
return err
}
seqset := new(imap.SeqSet)
seqset.AddRange(mbox.Messages-3, mbox.Messages)
messages := make(chan *imap.Message, 10)
done := make(chan error, 1)
section := imap.BodySectionName{}
items := []imap.FetchItem{
section.FetchItem(),
}
go func() {
done <- cli.Fetch(seqset, items, messages)
}()
imap.CharsetReader = charset.Reader
for msg := range messages {
msg := msg
r := msg.GetBody(§ion)
if r == nil {
continue
}
mr, err := mail.CreateReader(r)
if err != nil {
return err
}
header := mr.Header
if date, err := header.Date(); err == nil {
if time.Now().Sub(date) > 3*time.Minute {
continue
}
}
if from, err := header.AddressList("From"); err == nil {
if from[0].Address != "download@xshell.com" {
continue
}
}
for {
p, err := mr.NextPart()
if err == io.EOF {
break
} else if err != nil {
return err
}
switch p.Header.(type) {
case *mail.InlineHeader:
b, _ := io.ReadAll(p.Body)
content := string(b)
values := strings.SplitN(content, "邮件地址并完成注册。", 2)
if len(values) > 2 {
continue
}
url := strings.SplitN(values[1], "如果", 2)[0]
if _, ok := history.Load(url); ok {
continue
}
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
history.Store(url, true)
close(done)
break
}
}
}
return <-done
}
|
