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2f33fe86f5
* Update dependencies and build to go1.22 * Fix api changes wrt to dependencies * Update golangci config
271 lines
8.9 KiB
Go
271 lines
8.9 KiB
Go
// Copyright (c) 2022 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package sqlstore
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import (
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"database/sql"
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"errors"
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"fmt"
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mathRand "math/rand"
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"github.com/google/uuid"
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"go.mau.fi/util/random"
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waProto "go.mau.fi/whatsmeow/binary/proto"
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"go.mau.fi/whatsmeow/store"
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"go.mau.fi/whatsmeow/types"
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"go.mau.fi/whatsmeow/util/keys"
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waLog "go.mau.fi/whatsmeow/util/log"
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)
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// Container is a wrapper for a SQL database that can contain multiple whatsmeow sessions.
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type Container struct {
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db *sql.DB
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dialect string
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log waLog.Logger
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DatabaseErrorHandler func(device *store.Device, action string, attemptIndex int, err error) (retry bool)
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}
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var _ store.DeviceContainer = (*Container)(nil)
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// New connects to the given SQL database and wraps it in a Container.
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//
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// Only SQLite and Postgres are currently fully supported.
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//
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// The logger can be nil and will default to a no-op logger.
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//
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// When using SQLite, it's strongly recommended to enable foreign keys by adding `?_foreign_keys=true`:
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//
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// container, err := sqlstore.New("sqlite3", "file:yoursqlitefile.db?_foreign_keys=on", nil)
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func New(dialect, address string, log waLog.Logger) (*Container, error) {
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db, err := sql.Open(dialect, address)
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if err != nil {
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return nil, fmt.Errorf("failed to open database: %w", err)
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}
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container := NewWithDB(db, dialect, log)
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err = container.Upgrade()
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if err != nil {
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return nil, fmt.Errorf("failed to upgrade database: %w", err)
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}
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return container, nil
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}
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// NewWithDB wraps an existing SQL connection in a Container.
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//
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// Only SQLite and Postgres are currently fully supported.
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//
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// The logger can be nil and will default to a no-op logger.
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//
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// When using SQLite, it's strongly recommended to enable foreign keys by adding `?_foreign_keys=true`:
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//
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// db, err := sql.Open("sqlite3", "file:yoursqlitefile.db?_foreign_keys=on")
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// if err != nil {
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// panic(err)
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// }
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// container := sqlstore.NewWithDB(db, "sqlite3", nil)
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//
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// This method does not call Upgrade automatically like New does, so you must call it yourself:
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//
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// container := sqlstore.NewWithDB(...)
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// err := container.Upgrade()
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func NewWithDB(db *sql.DB, dialect string, log waLog.Logger) *Container {
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if log == nil {
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log = waLog.Noop
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}
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return &Container{
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db: db,
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dialect: dialect,
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log: log,
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}
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}
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const getAllDevicesQuery = `
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SELECT jid, registration_id, noise_key, identity_key,
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signed_pre_key, signed_pre_key_id, signed_pre_key_sig,
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adv_key, adv_details, adv_account_sig, adv_account_sig_key, adv_device_sig,
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platform, business_name, push_name, facebook_uuid
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FROM whatsmeow_device
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`
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const getDeviceQuery = getAllDevicesQuery + " WHERE jid=$1"
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type scannable interface {
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Scan(dest ...interface{}) error
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}
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func (c *Container) scanDevice(row scannable) (*store.Device, error) {
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var device store.Device
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device.DatabaseErrorHandler = c.DatabaseErrorHandler
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device.Log = c.log
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device.SignedPreKey = &keys.PreKey{}
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var noisePriv, identityPriv, preKeyPriv, preKeySig []byte
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var account waProto.ADVSignedDeviceIdentity
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var fbUUID uuid.NullUUID
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err := row.Scan(
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&device.ID, &device.RegistrationID, &noisePriv, &identityPriv,
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&preKeyPriv, &device.SignedPreKey.KeyID, &preKeySig,
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&device.AdvSecretKey, &account.Details, &account.AccountSignature, &account.AccountSignatureKey, &account.DeviceSignature,
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&device.Platform, &device.BusinessName, &device.PushName, &fbUUID)
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if err != nil {
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return nil, fmt.Errorf("failed to scan session: %w", err)
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} else if len(noisePriv) != 32 || len(identityPriv) != 32 || len(preKeyPriv) != 32 || len(preKeySig) != 64 {
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return nil, ErrInvalidLength
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}
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device.NoiseKey = keys.NewKeyPairFromPrivateKey(*(*[32]byte)(noisePriv))
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device.IdentityKey = keys.NewKeyPairFromPrivateKey(*(*[32]byte)(identityPriv))
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device.SignedPreKey.KeyPair = *keys.NewKeyPairFromPrivateKey(*(*[32]byte)(preKeyPriv))
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device.SignedPreKey.Signature = (*[64]byte)(preKeySig)
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device.Account = &account
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device.FacebookUUID = fbUUID.UUID
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innerStore := NewSQLStore(c, *device.ID)
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device.Identities = innerStore
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device.Sessions = innerStore
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device.PreKeys = innerStore
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device.SenderKeys = innerStore
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device.AppStateKeys = innerStore
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device.AppState = innerStore
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device.Contacts = innerStore
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device.ChatSettings = innerStore
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device.MsgSecrets = innerStore
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device.PrivacyTokens = innerStore
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device.Container = c
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device.Initialized = true
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return &device, nil
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}
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// GetAllDevices finds all the devices in the database.
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func (c *Container) GetAllDevices() ([]*store.Device, error) {
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res, err := c.db.Query(getAllDevicesQuery)
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if err != nil {
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return nil, fmt.Errorf("failed to query sessions: %w", err)
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}
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sessions := make([]*store.Device, 0)
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for res.Next() {
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sess, scanErr := c.scanDevice(res)
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if scanErr != nil {
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return sessions, scanErr
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}
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sessions = append(sessions, sess)
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}
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return sessions, nil
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}
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// GetFirstDevice is a convenience method for getting the first device in the store. If there are
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// no devices, then a new device will be created. You should only use this if you don't want to
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// have multiple sessions simultaneously.
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func (c *Container) GetFirstDevice() (*store.Device, error) {
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devices, err := c.GetAllDevices()
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if err != nil {
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return nil, err
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}
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if len(devices) == 0 {
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return c.NewDevice(), nil
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} else {
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return devices[0], nil
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}
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}
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// GetDevice finds the device with the specified JID in the database.
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//
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// If the device is not found, nil is returned instead.
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//
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// Note that the parameter usually must be an AD-JID.
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func (c *Container) GetDevice(jid types.JID) (*store.Device, error) {
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sess, err := c.scanDevice(c.db.QueryRow(getDeviceQuery, jid))
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return sess, err
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}
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const (
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insertDeviceQuery = `
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INSERT INTO whatsmeow_device (jid, registration_id, noise_key, identity_key,
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signed_pre_key, signed_pre_key_id, signed_pre_key_sig,
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adv_key, adv_details, adv_account_sig, adv_account_sig_key, adv_device_sig,
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platform, business_name, push_name, facebook_uuid)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16)
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ON CONFLICT (jid) DO UPDATE
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SET platform=excluded.platform, business_name=excluded.business_name, push_name=excluded.push_name
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`
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deleteDeviceQuery = `DELETE FROM whatsmeow_device WHERE jid=$1`
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)
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// NewDevice creates a new device in this database.
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//
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// No data is actually stored before Save is called. However, the pairing process will automatically
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// call Save after a successful pairing, so you most likely don't need to call it yourself.
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func (c *Container) NewDevice() *store.Device {
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device := &store.Device{
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Log: c.log,
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Container: c,
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DatabaseErrorHandler: c.DatabaseErrorHandler,
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NoiseKey: keys.NewKeyPair(),
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IdentityKey: keys.NewKeyPair(),
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RegistrationID: mathRand.Uint32(),
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AdvSecretKey: random.Bytes(32),
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}
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device.SignedPreKey = device.IdentityKey.CreateSignedPreKey(1)
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return device
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}
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// ErrDeviceIDMustBeSet is the error returned by PutDevice if you try to save a device before knowing its JID.
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var ErrDeviceIDMustBeSet = errors.New("device JID must be known before accessing database")
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// Close will close the container's database
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func (c *Container) Close() error {
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if c != nil && c.db != nil {
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return c.db.Close()
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}
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return nil
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}
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// PutDevice stores the given device in this database. This should be called through Device.Save()
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// (which usually doesn't need to be called manually, as the library does that automatically when relevant).
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func (c *Container) PutDevice(device *store.Device) error {
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if device.ID == nil {
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return ErrDeviceIDMustBeSet
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}
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_, err := c.db.Exec(insertDeviceQuery,
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device.ID.String(), device.RegistrationID, device.NoiseKey.Priv[:], device.IdentityKey.Priv[:],
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device.SignedPreKey.Priv[:], device.SignedPreKey.KeyID, device.SignedPreKey.Signature[:],
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device.AdvSecretKey, device.Account.Details, device.Account.AccountSignature, device.Account.AccountSignatureKey, device.Account.DeviceSignature,
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device.Platform, device.BusinessName, device.PushName, uuid.NullUUID{UUID: device.FacebookUUID, Valid: device.FacebookUUID != uuid.Nil})
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if !device.Initialized {
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innerStore := NewSQLStore(c, *device.ID)
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device.Identities = innerStore
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device.Sessions = innerStore
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device.PreKeys = innerStore
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device.SenderKeys = innerStore
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device.AppStateKeys = innerStore
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device.AppState = innerStore
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device.Contacts = innerStore
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device.ChatSettings = innerStore
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device.MsgSecrets = innerStore
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device.PrivacyTokens = innerStore
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device.Initialized = true
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}
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return err
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}
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// DeleteDevice deletes the given device from this database. This should be called through Device.Delete()
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func (c *Container) DeleteDevice(store *store.Device) error {
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if store.ID == nil {
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return ErrDeviceIDMustBeSet
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}
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_, err := c.db.Exec(deleteDeviceQuery, store.ID.String())
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return err
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}
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