2018-01-08 00:38:13 +02:00
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package database
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import (
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"encoding/json"
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"errors"
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"github.com/boltdb/bolt"
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"github.com/emersion/hydroxide/protonmail"
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)
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var ErrNotFound = errors.New("message not found in local database")
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var (
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mailboxesBucket = []byte("mailboxes")
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messagesBucket = []byte("messages")
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)
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type User struct {
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db *bolt.DB
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}
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func (u *User) Mailbox(name string) (*Mailbox, error) {
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err := u.db.Update(func(tx *bolt.Tx) error {
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b, err := tx.CreateBucketIfNotExists(mailboxesBucket)
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if err != nil {
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return err
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}
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_, err = b.CreateBucketIfNotExists([]byte(name))
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return err
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})
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if err != nil {
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return nil, err
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}
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return &Mailbox{name, u}, nil
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}
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func (u *User) sync(messages []*protonmail.Message) error {
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return u.db.Update(func(tx *bolt.Tx) error {
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b, err := tx.CreateBucketIfNotExists(messagesBucket)
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if err != nil {
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return err
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}
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for _, msg := range messages {
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k := []byte(msg.ID)
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v, err := json.Marshal(msg)
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2018-01-10 00:42:12 +02:00
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if err != nil {
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2018-01-08 00:38:13 +02:00
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return err
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}
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if err := b.Put(k, v); err != nil {
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return err
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}
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}
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return nil
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})
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}
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func (u *User) Message(apiID string) (*protonmail.Message, error) {
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var msg *protonmail.Message
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err := u.db.View(func (tx *bolt.Tx) error {
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b := tx.Bucket(messagesBucket)
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if b == nil {
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return ErrNotFound
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}
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k := []byte(apiID)
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v := b.Get(k)
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if v == nil {
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return ErrNotFound
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}
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2018-01-10 00:42:12 +02:00
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msg = &protonmail.Message{}
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2018-01-08 00:38:13 +02:00
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return json.Unmarshal(v, msg)
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})
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return msg, err
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}
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func Open(path string) (*User, error) {
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db, err := bolt.Open(path, 0700, nil)
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if err != nil {
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return nil, err
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}
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return &User{db}, nil
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}
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