mirror of
https://github.com/ddworken/hishtory.git
synced 2024-12-11 01:20:50 +01:00
413 lines
12 KiB
Go
413 lines
12 KiB
Go
package database
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/ddworken/hishtory/shared"
|
|
"github.com/jackc/pgx/v4/stdlib"
|
|
_ "github.com/lib/pq"
|
|
sqltrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/database/sql"
|
|
gormtrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/gorm.io/gorm.v1"
|
|
"gorm.io/driver/postgres"
|
|
"gorm.io/driver/sqlite"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
type DB struct {
|
|
*gorm.DB
|
|
}
|
|
|
|
func OpenSQLite(dsn string, config *gorm.Config) (*DB, error) {
|
|
db, err := gorm.Open(sqlite.Open(dsn), config)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("gorm.Open: %w", err)
|
|
}
|
|
|
|
return &DB{db}, nil
|
|
}
|
|
|
|
func OpenPostgres(dsn string, config *gorm.Config) (*DB, error) {
|
|
sqltrace.Register("pgx", &stdlib.Driver{}, sqltrace.WithServiceName("hishtory-api"))
|
|
sqlDb, err := sqltrace.Open("pgx", dsn)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("sqltrace.Open: %w", err)
|
|
}
|
|
db, err := gormtrace.Open(postgres.New(postgres.Config{Conn: sqlDb}), config)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("gormtrace.Open: %w", err)
|
|
}
|
|
|
|
return &DB{db}, nil
|
|
}
|
|
|
|
func (db *DB) AddDatabaseTables() error {
|
|
models := []any{
|
|
&shared.EncHistoryEntry{},
|
|
&shared.Device{},
|
|
&shared.UsageData{},
|
|
&shared.DumpRequest{},
|
|
&shared.DeletionRequest{},
|
|
&shared.Feedback{},
|
|
&ActiveUserStats{},
|
|
}
|
|
|
|
for _, model := range models {
|
|
if err := db.AutoMigrate(model); err != nil {
|
|
return fmt.Errorf("db.AutoMigrate: %w", err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) CreateIndices() error {
|
|
// Note: If adding a new index here, consider manually running it on the prod DB using CONCURRENTLY to
|
|
// make server startup non-blocking. The benefit of this function is primarily for other people so they
|
|
// don't have to manually create these indexes.
|
|
// Example:
|
|
// CREATE INDEX CONCURRENTLY IF NOT EXISTS redact_idx ON enc_history_entries USING btree(user_id, device_id, date)
|
|
indices := []struct {
|
|
name string
|
|
table string
|
|
columns []string
|
|
}{
|
|
{"entry_id_idx", "enc_history_entries", []string{"encrypted_id"}},
|
|
{"device_id_idx", "enc_history_entries", []string{"device_id"}},
|
|
{"read_count_idx", "enc_history_entries", []string{"read_count"}},
|
|
{"redact_idx", "enc_history_entries", []string{"user_id", "device_id", "date"}},
|
|
{"del_user_idx", "deletion_requests", []string{"user_id"}},
|
|
}
|
|
for _, index := range indices {
|
|
sql := ""
|
|
if db.Name() == "sqlite" {
|
|
sql = fmt.Sprintf("CREATE INDEX IF NOT EXISTS %s ON %s (%s)", index.name, index.table, strings.Join(index.columns, ","))
|
|
} else {
|
|
sql = fmt.Sprintf("CREATE INDEX IF NOT EXISTS %s ON %s USING btree(%s)", index.name, index.table, strings.Join(index.columns, ","))
|
|
}
|
|
r := db.Exec(sql)
|
|
if r.Error != nil {
|
|
return fmt.Errorf("failed to execute index creation sql=%#v: %w", index, r.Error)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) Close() error {
|
|
rawDB, err := db.DB.DB()
|
|
if err != nil {
|
|
return fmt.Errorf("db.DB.DB: %w", err)
|
|
}
|
|
|
|
if err := rawDB.Close(); err != nil {
|
|
return fmt.Errorf("rawDB.Close: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) Ping() error {
|
|
rawDB, err := db.DB.DB()
|
|
if err != nil {
|
|
return fmt.Errorf("db.DB.DB: %w", err)
|
|
}
|
|
|
|
if err := rawDB.Ping(); err != nil {
|
|
return fmt.Errorf("rawDB.Ping: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) SetMaxIdleConns(n int) error {
|
|
rawDB, err := db.DB.DB()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
rawDB.SetMaxIdleConns(n)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) Stats() (sql.DBStats, error) {
|
|
rawDB, err := db.DB.DB()
|
|
if err != nil {
|
|
return sql.DBStats{}, fmt.Errorf("db.DB.DB: %w", err)
|
|
}
|
|
|
|
return rawDB.Stats(), nil
|
|
}
|
|
|
|
func (db *DB) DistinctUsers(ctx context.Context) (int64, error) {
|
|
row := db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT devices.user_id) FROM devices").Row()
|
|
var numDistinctUsers int64
|
|
err := row.Scan(&numDistinctUsers)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("row.Scan: %w", err)
|
|
}
|
|
|
|
return numDistinctUsers, nil
|
|
}
|
|
|
|
func (db *DB) DumpRequestCreate(ctx context.Context, req *shared.DumpRequest) error {
|
|
tx := db.WithContext(ctx).Create(req)
|
|
if tx.Error != nil {
|
|
return fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) DumpRequestForUserAndDevice(ctx context.Context, userID, deviceID string) ([]*shared.DumpRequest, error) {
|
|
var dumpRequests []*shared.DumpRequest
|
|
// Filter out ones requested by the hishtory instance that sent this request
|
|
tx := db.WithContext(ctx).Where("user_id = ? AND requesting_device_id != ?", userID, deviceID).Find(&dumpRequests)
|
|
if tx.Error != nil {
|
|
return nil, fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return dumpRequests, nil
|
|
}
|
|
|
|
func (db *DB) DumpRequestDeleteForUserAndDevice(ctx context.Context, userID, deviceID string) error {
|
|
tx := db.WithContext(ctx).Delete(&shared.DumpRequest{}, "user_id = ? AND requesting_device_id = ?", userID, deviceID)
|
|
if tx.Error != nil {
|
|
return fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) ApplyDeletionRequestsToBackend(ctx context.Context, requests []*shared.DeletionRequest) (int64, error) {
|
|
if len(requests) == 0 {
|
|
return 0, nil
|
|
}
|
|
deletedMessages := make([]shared.MessageIdentifier, 0)
|
|
userId := requests[0].UserId
|
|
for _, request := range requests {
|
|
deletedMessages = append(deletedMessages, request.Messages.Ids...)
|
|
if request.UserId != userId {
|
|
return 0, fmt.Errorf("deletion requests contain mismatched user IDs: %s vs %s", request.UserId, userId)
|
|
}
|
|
}
|
|
return db.DeleteMessagesFromBackend(ctx, userId, deletedMessages)
|
|
}
|
|
|
|
func (db *DB) DeleteMessagesFromBackend(ctx context.Context, userId string, deletedMessages []shared.MessageIdentifier) (int64, error) {
|
|
tx := db.WithContext(ctx).Where("false")
|
|
for _, message := range deletedMessages {
|
|
if userId == "" {
|
|
return 0, fmt.Errorf("failed to delete entry because userId is empty")
|
|
}
|
|
if message.DeviceId == "" {
|
|
return 0, fmt.Errorf("failed to delete entry because MessageIdentifier.DeviceId is empty")
|
|
}
|
|
if message.EndTime.UTC().UnixMilli() > 0 && message.EntryId != "" {
|
|
// Note that we do an OR with date or the ID matching since the ID is not always recorded for older history entries.
|
|
tx = tx.Or(db.WithContext(ctx).Where("user_id = ? AND device_id = ? AND (date = ? OR encrypted_id = ?)", userId, message.DeviceId, message.EndTime, message.EntryId))
|
|
} else if message.EndTime.UTC().UnixMilli() > 0 && message.EntryId == "" {
|
|
tx = tx.Or(db.WithContext(ctx).Where("user_id = ? AND device_id = ? AND (date = ?)", userId, message.DeviceId, message.EndTime))
|
|
} else if message.EndTime.UTC().UnixMilli() == 0 && message.EntryId != "" {
|
|
tx = tx.Or(db.WithContext(ctx).Where("user_id = ? AND device_id = ? AND (encrypted_id = ?)", userId, message.DeviceId, message.EntryId))
|
|
} else {
|
|
return 0, fmt.Errorf("failed to delete entry because message.EndTime and message.EntryId are both empty")
|
|
}
|
|
}
|
|
result := tx.Delete(&shared.EncHistoryEntry{})
|
|
if tx.Error != nil {
|
|
return 0, fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
return result.RowsAffected, nil
|
|
}
|
|
|
|
func (db *DB) DeletionRequestInc(ctx context.Context, userID, deviceID string) error {
|
|
tx := db.WithContext(ctx).Exec("UPDATE deletion_requests SET read_count = read_count + 1 WHERE user_id = ? AND destination_device_id = ?", userID, deviceID)
|
|
if tx.Error != nil {
|
|
return fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) DeletionRequestsForUserAndDevice(ctx context.Context, userID, deviceID string) ([]*shared.DeletionRequest, error) {
|
|
var deletionRequests []*shared.DeletionRequest
|
|
tx := db.WithContext(ctx).Where("user_id = ? AND destination_device_id = ?", userID, deviceID).Find(&deletionRequests)
|
|
if tx.Error != nil {
|
|
return nil, fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return deletionRequests, nil
|
|
}
|
|
|
|
func (db *DB) DeletionRequestCreate(ctx context.Context, request *shared.DeletionRequest) error {
|
|
userID := request.UserId
|
|
|
|
devices, err := db.DevicesForUser(ctx, userID)
|
|
if err != nil {
|
|
return fmt.Errorf("db.DevicesForUser: %w", err)
|
|
}
|
|
|
|
if len(devices) == 0 {
|
|
return fmt.Errorf("found no devices associated with user_id=%s, can't save history entry", userID)
|
|
}
|
|
|
|
fmt.Printf("db.DeletionRequestCreate: Found %d devices\n", len(devices))
|
|
|
|
err = db.Transaction(func(tx *gorm.DB) error {
|
|
for _, device := range devices {
|
|
request.DestinationDeviceId = device.DeviceId
|
|
tx := tx.WithContext(ctx).Create(&request)
|
|
if tx.Error != nil {
|
|
return fmt.Errorf("create: tx.Error: %w", tx.Error)
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
numDeleted, err := db.DeleteMessagesFromBackend(ctx, userID, request.Messages.Ids)
|
|
if err != nil {
|
|
return fmt.Errorf("db.DeleteMessagesFromBackend: %w", err)
|
|
}
|
|
fmt.Printf("addDeletionRequestHandler: Deleted %d rows in the backend\n", numDeleted)
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) FeedbackCreate(ctx context.Context, feedback *shared.Feedback) error {
|
|
tx := db.WithContext(ctx).Create(feedback)
|
|
if tx.Error != nil {
|
|
return fmt.Errorf("tx.Error: %w", tx.Error)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) Clean(ctx context.Context) error {
|
|
r := db.WithContext(ctx).Exec("DELETE FROM enc_history_entries WHERE read_count > 10")
|
|
if r.Error != nil {
|
|
return r.Error
|
|
}
|
|
r = db.WithContext(ctx).Exec("DELETE FROM deletion_requests WHERE read_count > 100")
|
|
if r.Error != nil {
|
|
return r.Error
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func extractInt64FromRow(row *sql.Row) (int64, error) {
|
|
var ret int64
|
|
err := row.Scan(&ret)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("extractInt64FromRow: %w", err)
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
type ActiveUserStats struct {
|
|
Date time.Time
|
|
TotalNumDevices int64
|
|
TotalNumUsers int64
|
|
DailyActiveSubmitUsers int64
|
|
DailyActiveQueryUsers int64
|
|
WeeklyActiveSubmitUsers int64
|
|
WeeklyActiveQueryUsers int64
|
|
DailyInstalls int64
|
|
DailyUninstalls int64
|
|
}
|
|
|
|
func (db *DB) GenerateAndStoreActiveUserStats(ctx context.Context) error {
|
|
if db.DB.Name() == "sqlite" {
|
|
// Not supported on sqlite
|
|
return nil
|
|
}
|
|
|
|
totalNumDevices, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT devices.device_id) FROM devices").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
totalNumUsers, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT devices.user_id) FROM devices").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dauSubmit, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT user_id) FROM usage_data WHERE last_used > (now()::date-1)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dauQuery, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT user_id) FROM usage_data WHERE last_queried > (now()::date-1)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
wauSubmit, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT user_id) FROM usage_data WHERE last_used > (now()::date-7)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
wauQuery, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(DISTINCT user_id) FROM usage_data WHERE last_queried > (now()::date-7)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dailyInstalls, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT count(distinct device_id) FROM devices WHERE registration_date > (now()::date-1)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dailyUninstalls, err := extractInt64FromRow(db.WithContext(ctx).Raw("SELECT COUNT(*) FROM feedbacks WHERE date > (now()::date-1)::timestamp").Row())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return db.Create(ActiveUserStats{
|
|
Date: time.Now(),
|
|
TotalNumDevices: totalNumDevices,
|
|
TotalNumUsers: totalNumUsers,
|
|
DailyActiveSubmitUsers: dauSubmit,
|
|
DailyActiveQueryUsers: dauQuery,
|
|
WeeklyActiveSubmitUsers: wauSubmit,
|
|
WeeklyActiveQueryUsers: wauQuery,
|
|
DailyInstalls: dailyInstalls,
|
|
DailyUninstalls: dailyUninstalls,
|
|
}).Error
|
|
}
|
|
|
|
func (db *DB) DeepClean(ctx context.Context) error {
|
|
return db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
|
|
r := tx.Exec(`
|
|
CREATE TEMP TABLE temp_users_with_one_device AS (
|
|
SELECT user_id
|
|
FROM devices
|
|
GROUP BY user_id
|
|
HAVING COUNT(DISTINCT device_id) > 1
|
|
)
|
|
`)
|
|
if r.Error != nil {
|
|
return r.Error
|
|
}
|
|
r = tx.Exec(`
|
|
CREATE TEMP TABLE temp_inactive_users AS (
|
|
SELECT user_id
|
|
FROM usage_data
|
|
WHERE last_used <= (now() - INTERVAL '90 days')
|
|
)
|
|
`)
|
|
if r.Error != nil {
|
|
return r.Error
|
|
}
|
|
r = tx.Exec(`
|
|
SELECT COUNT(*) FROM enc_history_entries WHERE
|
|
date <= (now() - INTERVAL '90 days')
|
|
AND user_id IN (SELECT * FROM temp_users_with_one_device)
|
|
AND user_id IN (SELECT * FROM temp_inactive_users)
|
|
`)
|
|
if r.Error != nil {
|
|
return r.Error
|
|
}
|
|
fmt.Printf("Ran deep clean and deleted %d rows\n", r.RowsAffected)
|
|
return nil
|
|
})
|
|
}
|