Created
January 22, 2019 15:39
-
-
Save recoilme/a574385519220713b9ae060ab306a330 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"fmt" | |
"io" | |
"io/ioutil" | |
"log" | |
"strings" | |
"time" | |
imap "github.com/emersion/go-imap" | |
"github.com/emersion/go-imap/client" | |
"github.com/emersion/go-message/mail" | |
"github.com/jaytaylor/html2text" | |
) | |
func Poll() { | |
//r := rand.New(rand.NewSource(99)) | |
c := time.Tick(10 * time.Second) | |
for _ = range c { | |
//Download the current contents of the URL and do something with it | |
fmt.Printf("Grab at %s\n", time.Now()) | |
// add a bit of jitter | |
//jitter := time.Duration(r.Int31n(5000)) * time.Millisecond | |
//time.Sleep(jitter) | |
doAll() | |
} | |
} | |
func doAll() { | |
var c *client.Client | |
// Connect to server | |
c, err := client.DialTLS("imap.yandex.ru:993", nil) | |
//c.SetDebug(os.Stdout) | |
if err != nil { | |
log.Fatal(err) | |
} | |
log.Println("Connected") | |
// Don't forget to logout | |
defer c.Logout() | |
// Login | |
if err := c.Login("vadim", "!"); err != nil { | |
log.Fatal(err) | |
} | |
log.Println("Logged in") | |
// Select INBOX | |
mbox, err := c.Select("INBOX", false) | |
if err != nil { | |
log.Fatal(err) | |
} | |
// Get the last message | |
if mbox.Messages == 0 { | |
log.Fatal("No message in mailbox") | |
} | |
readMsg(c, mbox.Messages) | |
} | |
func readMsg(c *client.Client, msgID uint32) { | |
log.Println("read msg:", msgID) | |
seqSet := new(imap.SeqSet) | |
seqSet.AddNum(msgID) | |
// Get the whole message body | |
section := &imap.BodySectionName{} | |
items := []imap.FetchItem{section.FetchItem()} | |
messages := make(chan *imap.Message, 1) | |
//go func() { | |
if err := c.Fetch(seqSet, items, messages); err != nil { | |
log.Fatal(err) | |
} | |
//}() | |
msg := <-messages | |
if msg == nil { | |
log.Fatal("Server didn't returned message") | |
} | |
r := msg.GetBody(section) | |
if r == nil { | |
log.Fatal("Server didn't returned message body") | |
} | |
// Create a new mail reader | |
mr, err := mail.CreateReader(r) | |
if err != nil { | |
log.Fatal(err) | |
} | |
// Print some info about the message | |
header := mr.Header | |
if date, err := header.Date(); err == nil { | |
log.Println("Date:", date) | |
} | |
if from, err := header.AddressList("From"); err == nil { | |
log.Println("From:", from) | |
} | |
if to, err := header.AddressList("To"); err == nil { | |
log.Println("To:", to) | |
} | |
if subject, err := header.Subject(); err == nil { | |
log.Println("Subject:", subject) | |
} | |
text := "" | |
bodyText := "" | |
bodyHtml := "" | |
// Process each message's part | |
for { | |
p, err := mr.NextPart() | |
if err == io.EOF { | |
break | |
} else if err != nil { | |
log.Fatal(err) | |
} | |
switch h := p.Header.(type) { | |
case mail.TextHeader: | |
b, _ := ioutil.ReadAll(p.Body) | |
text += string(b) | |
if strings.HasPrefix(p.Header.Get("Content-Type"), "text/plain") { | |
bodyText += string(b) | |
} | |
if strings.HasPrefix(p.Header.Get("Content-Type"), "text/html") { | |
bodyHtml += string(b) | |
} | |
case mail.AttachmentHeader: | |
// This is an attachment | |
filename, _ := h.Filename() | |
log.Println("Got attachment: %v", filename) | |
} | |
} | |
if bodyText != "" { | |
text = bodyText | |
} | |
if bodyText == "" && bodyHtml != "" { | |
t, err := html2text.FromString(bodyHtml, html2text.Options{PrettyTables: false}) | |
if err != nil { | |
panic(err) | |
} | |
text = t | |
} | |
log.Println("Text:\n", text) | |
} | |
func main() { | |
Poll() | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment