Added files.

imapserver/login.go

@@ -0,0 +1,28 @@
+package imapserver
+
+import (
+	"github.com/emersion/go-imap/v2"
+	"github.com/emersion/go-imap/v2/internal/imapwire"
+)
+
+func (c *Conn) handleLogin(tag string, dec *imapwire.Decoder) error {
+	var username, password string
+	if !dec.ExpectSP() || !dec.ExpectAString(&username) || !dec.ExpectSP() || !dec.ExpectAString(&password) || !dec.ExpectCRLF() {
+		return dec.Err()
+	}
+	if err := c.checkState(imap.ConnStateNotAuthenticated); err != nil {
+		return err
+	}
+	if !c.canAuth() {
+		return &imap.Error{
+			Type: imap.StatusResponseTypeNo,
+			Code: imap.ResponseCodePrivacyRequired,
+			Text: "TLS is required to authenticate",
+		}
+	}
+	if err := c.session.Login(username, password); err != nil {
+		return err
+	}
+	c.state = imap.ConnStateAuthenticated
+	return c.writeCapabilityStatus(tag, imap.StatusResponseTypeOK, "Logged in")
+}