Forked the emersion/go-imap v1 project.

2025-05-01 11:58:18 +03:00
commit bcc3f95e8e
107 changed files with 16268 additions and 0 deletions
--- a/imapserver/status.go
+++ b/imapserver/status.go
@@ -0,0 +1,125 @@
+package imapserver
+
+import (
+	"strings"
+
+	"github.com/emersion/go-imap/v2"
+	"github.com/emersion/go-imap/v2/internal/imapwire"
+)
+
+func (c *Conn) handleStatus(dec *imapwire.Decoder) error {
+	var mailbox string
+	if !dec.ExpectSP() || !dec.ExpectMailbox(&mailbox) || !dec.ExpectSP() {
+		return dec.Err()
+	}
+
+	var options imap.StatusOptions
+	err := dec.ExpectList(func() error {
+		err := readStatusItem(dec, &options)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	if !dec.ExpectCRLF() {
+		return dec.Err()
+	}
+
+	if options.NumRecent && !c.server.options.caps().Has(imap.CapIMAP4rev1) {
+		return &imap.Error{
+			Type: imap.StatusResponseTypeBad,
+			Text: "Unknown STATUS data item",
+		}
+	}
+
+	if err := c.checkState(imap.ConnStateAuthenticated); err != nil {
+		return err
+	}
+
+	data, err := c.session.Status(mailbox, &options)
+	if err != nil {
+		return err
+	}
+
+	return c.writeStatus(data, &options)
+}
+
+func (c *Conn) writeStatus(data *imap.StatusData, options *imap.StatusOptions) error {
+	enc := newResponseEncoder(c)
+	defer enc.end()
+
+	enc.Atom("*").SP().Atom("STATUS").SP().Mailbox(data.Mailbox).SP()
+	listEnc := enc.BeginList()
+	if options.NumMessages {
+		listEnc.Item().Atom("MESSAGES").SP().Number(*data.NumMessages)
+	}
+	if options.UIDNext {
+		listEnc.Item().Atom("UIDNEXT").SP().UID(data.UIDNext)
+	}
+	if options.UIDValidity {
+		listEnc.Item().Atom("UIDVALIDITY").SP().Number(data.UIDValidity)
+	}
+	if options.NumUnseen {
+		listEnc.Item().Atom("UNSEEN").SP().Number(*data.NumUnseen)
+	}
+	if options.NumDeleted {
+		listEnc.Item().Atom("DELETED").SP().Number(*data.NumDeleted)
+	}
+	if options.Size {
+		listEnc.Item().Atom("SIZE").SP().Number64(*data.Size)
+	}
+	if options.AppendLimit {
+		listEnc.Item().Atom("APPENDLIMIT").SP()
+		if data.AppendLimit != nil {
+			enc.Number(*data.AppendLimit)
+		} else {
+			enc.NIL()
+		}
+	}
+	if options.DeletedStorage {
+		listEnc.Item().Atom("DELETED-STORAGE").SP().Number64(*data.DeletedStorage)
+	}
+	if options.NumRecent {
+		listEnc.Item().Atom("RECENT").SP().Number(*data.NumRecent)
+	}
+	listEnc.End()
+
+	return enc.CRLF()
+}
+
+func readStatusItem(dec *imapwire.Decoder, options *imap.StatusOptions) error {
+	var name string
+	if !dec.ExpectAtom(&name) {
+		return dec.Err()
+	}
+	switch strings.ToUpper(name) {
+	case "MESSAGES":
+		options.NumMessages = true
+	case "UIDNEXT":
+		options.UIDNext = true
+	case "UIDVALIDITY":
+		options.UIDValidity = true
+	case "UNSEEN":
+		options.NumUnseen = true
+	case "DELETED":
+		options.NumDeleted = true
+	case "SIZE":
+		options.Size = true
+	case "APPENDLIMIT":
+		options.AppendLimit = true
+	case "DELETED-STORAGE":
+		options.DeletedStorage = true
+	case "RECENT":
+		options.NumRecent = true
+	default:
+		return &imap.Error{
+			Type: imap.StatusResponseTypeBad,
+			Text: "Unknown STATUS data item",
+		}
+	}
+	return nil
+}