117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
package imapserver
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import (
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"fmt"
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"github.com/emersion/go-imap/v2"
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"github.com/emersion/go-imap/v2/internal/imapwire"
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"github.com/emersion/go-sasl"
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)
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var errAuthFailed = &imap.Error{
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Type: imap.StatusResponseTypeNo,
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Code: imap.ResponseCodeAuthenticationFailed,
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Text: "Authentication failed",
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}
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// ErrAuthFailed is returned by Session.Login on authentication failure.
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var ErrAuthFailed = errAuthFailed
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// GreetingData is the data associated with an IMAP greeting.
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type GreetingData struct {
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PreAuth bool
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}
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// NumKind describes how a number should be interpreted: either as a sequence
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// number, either as a UID.
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type NumKind int
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const (
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NumKindSeq = NumKind(imapwire.NumKindSeq)
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NumKindUID = NumKind(imapwire.NumKindUID)
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)
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// String implements fmt.Stringer.
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func (kind NumKind) String() string {
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switch kind {
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case NumKindSeq:
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return "seq"
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case NumKindUID:
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return "uid"
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default:
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panic(fmt.Errorf("imapserver: unknown NumKind %d", kind))
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}
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}
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func (kind NumKind) wire() imapwire.NumKind {
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return imapwire.NumKind(kind)
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}
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// Session is an IMAP session.
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type Session interface {
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Close() error
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// Not authenticated state
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Login(username, password string) error
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// Authenticated state
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Select(mailbox string, options *imap.SelectOptions) (*imap.SelectData, error)
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Create(mailbox string, options *imap.CreateOptions) error
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Delete(mailbox string) error
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Rename(mailbox, newName string) error
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Subscribe(mailbox string) error
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Unsubscribe(mailbox string) error
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List(w *ListWriter, ref string, patterns []string, options *imap.ListOptions) error
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Status(mailbox string, options *imap.StatusOptions) (*imap.StatusData, error)
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Append(mailbox string, r imap.LiteralReader, options *imap.AppendOptions) (*imap.AppendData, error)
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Poll(w *UpdateWriter, allowExpunge bool) error
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Idle(w *UpdateWriter, stop <-chan struct{}) error
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// Selected state
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Unselect() error
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Expunge(w *ExpungeWriter, uids *imap.UIDSet) error
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Search(kind NumKind, criteria *imap.SearchCriteria, options *imap.SearchOptions) (*imap.SearchData, error)
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Fetch(w *FetchWriter, numSet imap.NumSet, options *imap.FetchOptions) error
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Store(w *FetchWriter, numSet imap.NumSet, flags *imap.StoreFlags, options *imap.StoreOptions) error
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Copy(numSet imap.NumSet, dest string) (*imap.CopyData, error)
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}
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// SessionNamespace is an IMAP session which supports NAMESPACE.
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type SessionNamespace interface {
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Session
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// Authenticated state
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Namespace() (*imap.NamespaceData, error)
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}
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// SessionMove is an IMAP session which supports MOVE.
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type SessionMove interface {
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Session
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// Selected state
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Move(w *MoveWriter, numSet imap.NumSet, dest string) error
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}
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// SessionIMAP4rev2 is an IMAP session which supports IMAP4rev2.
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type SessionIMAP4rev2 interface {
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Session
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SessionNamespace
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SessionMove
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}
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// SessionSASL is an IMAP session which supports its own set of SASL
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// authentication mechanisms.
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type SessionSASL interface {
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Session
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AuthenticateMechanisms() []string
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Authenticate(mech string) (sasl.Server, error)
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}
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// SessionUnauthenticate is an IMAP session which supports UNAUTHENTICATE.
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type SessionUnauthenticate interface {
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Session
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// Authenticated state
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Unauthenticate() error
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}
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