Files
go-imap/imap.go

106 lines
2.7 KiB
Go

// Package imap implements IMAP4rev2.
//
// IMAP4rev2 is defined in RFC 9051.
//
// This package contains types and functions common to both the client and
// server. See the imapclient and imapserver sub-packages.
package imap
import (
"fmt"
"io"
)
// ConnState describes the connection state.
//
// See RFC 9051 section 3.
type ConnState int
const (
ConnStateNone ConnState = iota
ConnStateNotAuthenticated
ConnStateAuthenticated
ConnStateSelected
ConnStateLogout
)
// String implements fmt.Stringer.
func (state ConnState) String() string {
switch state {
case ConnStateNone:
return "none"
case ConnStateNotAuthenticated:
return "not authenticated"
case ConnStateAuthenticated:
return "authenticated"
case ConnStateSelected:
return "selected"
case ConnStateLogout:
return "logout"
default:
panic(fmt.Errorf("imap: unknown connection state %v", int(state)))
}
}
// MailboxAttr is a mailbox attribute.
//
// Mailbox attributes are defined in RFC 9051 section 7.3.1.
type MailboxAttr string
const (
// Base attributes
MailboxAttrNonExistent MailboxAttr = "\\NonExistent"
MailboxAttrNoInferiors MailboxAttr = "\\Noinferiors"
MailboxAttrNoSelect MailboxAttr = "\\Noselect"
MailboxAttrHasChildren MailboxAttr = "\\HasChildren"
MailboxAttrHasNoChildren MailboxAttr = "\\HasNoChildren"
MailboxAttrMarked MailboxAttr = "\\Marked"
MailboxAttrUnmarked MailboxAttr = "\\Unmarked"
MailboxAttrSubscribed MailboxAttr = "\\Subscribed"
MailboxAttrRemote MailboxAttr = "\\Remote"
// Role (aka. "special-use") attributes
MailboxAttrAll MailboxAttr = "\\All"
MailboxAttrArchive MailboxAttr = "\\Archive"
MailboxAttrDrafts MailboxAttr = "\\Drafts"
MailboxAttrFlagged MailboxAttr = "\\Flagged"
MailboxAttrJunk MailboxAttr = "\\Junk"
MailboxAttrSent MailboxAttr = "\\Sent"
MailboxAttrTrash MailboxAttr = "\\Trash"
MailboxAttrImportant MailboxAttr = "\\Important" // RFC 8457
)
// Flag is a message flag.
//
// Message flags are defined in RFC 9051 section 2.3.2.
type Flag string
const (
// System flags
FlagSeen Flag = "\\Seen"
FlagAnswered Flag = "\\Answered"
FlagFlagged Flag = "\\Flagged"
FlagDeleted Flag = "\\Deleted"
FlagDraft Flag = "\\Draft"
// Widely used flags
FlagForwarded Flag = "$Forwarded"
FlagMDNSent Flag = "$MDNSent" // Message Disposition Notification sent
FlagJunk Flag = "$Junk"
FlagNotJunk Flag = "$NotJunk"
FlagPhishing Flag = "$Phishing"
FlagImportant Flag = "$Important" // RFC 8457
// Permanent flags
FlagWildcard Flag = "\\*"
)
// LiteralReader is a reader for IMAP literals.
type LiteralReader interface {
io.Reader
Size() int64
}
// UID is a message unique identifier.
type UID uint32