Files
go-imap/backend/memory/backend.go

79 lines
1.7 KiB
Go

// A memory backend.
package memory
import (
"errors"
"fmt"
"time"
"github.com/emersion/go-imap"
"github.com/emersion/go-imap/backend"
)
type Backend struct {
users map[string]*User
}
func (be *Backend) Login(_ *imap.ConnInfo, username, password string) (backend.User, error) {
user, ok := be.users[username]
if ok && user.password == password {
return user, nil
}
return nil, errors.New("Bad username or password")
}
func New() *Backend {
user := &User{username: "username", password: "password"}
body := "From: contact@example.org\r\n" +
"To: contact@example.org\r\n" +
"Subject: A little message, just for you\r\n" +
"Date: Wed, 11 May 2016 14:31:59 +0000\r\n" +
"Message-ID: <0000000@localhost/>\r\n" +
"Content-Type: text/plain\r\n" +
"\r\n" +
"Hi there :)"
user.mailboxes = map[string]*Mailbox{
"INBOX": {
name: "INBOX",
user: user,
Messages: []*Message{
{
Uid: 6,
Date: time.Now(),
Flags: []string{"\\Seen"},
Size: uint32(len(body)),
Body: []byte(body),
},
},
},
}
return &Backend{
users: map[string]*User{user.username: user},
}
}
// NewUser adds a user to the backend.
func (be *Backend) NewUser(username, password string) (*User, error) {
_, ok := be.users[username]
if ok {
return nil, fmt.Errorf("user %s is already defined.", username)
}
u := &User{username: username, password: password, mailboxes: make(map[string]*Mailbox)}
be.users[username] = u
return u, nil
}
// DeleteUser removes a user from the backend.
func (be *Backend) DeleteUser(username string) error {
_, ok := be.users[username]
if !ok {
return fmt.Errorf("user %s is not defined.", username)
}
delete(be.users, username)
return nil
}