/
redis.go
266 lines (227 loc) · 6.72 KB
/
redis.go
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package database
import (
"context"
"errors"
"fmt"
"strconv"
"sync"
"time"
"github.com/alicebob/miniredis/v2"
"github.com/bananocoin/boompow/apps/server/src/config"
"github.com/bananocoin/boompow/libs/utils"
"github.com/go-redis/redis/v9"
"github.com/google/uuid"
"k8s.io/klog/v2"
)
var ctx = context.Background()
// Prefix for all keys
const keyPrefix = "boompow"
// Singleton to keep assets loaded in memory
type redisManager struct {
Client *redis.Client
Mock bool
}
var singleton *redisManager
var once sync.Once
func GetRedisDB() *redisManager {
once.Do(func() {
if utils.GetEnv("MOCK_REDIS", "false") == "true" {
klog.Infof("Using mock redis client because MOCK_REDIS=true is set in environment")
mr, _ := miniredis.Run()
client := redis.NewClient(&redis.Options{
Addr: mr.Addr(),
})
singleton = &redisManager{
Client: client,
Mock: true,
}
} else {
redis_port, err := strconv.Atoi(utils.GetEnv("REDIS_PORT", "6379"))
if err != nil {
panic("Invalid REDIS_PORT specified")
}
redis_db, err := strconv.Atoi(utils.GetEnv("REDIS_DB", "0"))
if err != nil {
panic("Invalid REDIS_DB specified")
}
client := redis.NewClient(&redis.Options{
Addr: fmt.Sprintf("%s:%d", utils.GetEnv("REDIS_HOST", "localhost"), redis_port),
DB: redis_db,
})
singleton = &redisManager{
Client: client,
Mock: false,
}
}
})
return singleton
}
// del - Redis DEL
func (r *redisManager) Del(key string) (int64, error) {
val, err := r.Client.Del(ctx, key).Result()
return val, err
}
// get - Redis GET
func (r *redisManager) Get(key string) (string, error) {
val, err := r.Client.Get(ctx, key).Result()
return val, err
}
// set - Redis SET
func (r *redisManager) Set(key string, value string, expiry time.Duration) error {
err := r.Client.Set(ctx, key, value, expiry).Err()
return err
}
// hlen - Redis HLEN
func (r *redisManager) Hlen(key string) (int64, error) {
val, err := r.Client.HLen(ctx, key).Result()
return val, err
}
// hget - Redis HGET
func (r *redisManager) Hget(key string, field string) (string, error) {
val, err := r.Client.HGet(ctx, key, field).Result()
return val, err
}
// hgetall - Redis HGETALL
func (r *redisManager) Hgetall(key string) (map[string]string, error) {
val, err := r.Client.HGetAll(ctx, key).Result()
return val, err
}
// hset - Redis HSET
func (r *redisManager) Hset(key string, field string, values interface{}) error {
err := r.Client.HSet(ctx, key, field, values).Err()
return err
}
// hdel - Redis HDEL
func (r *redisManager) Hdel(key string, field string) error {
err := r.Client.HDel(ctx, key, field).Err()
return err
}
// Set email confirmation token
func (r *redisManager) SetConfirmationToken(email string, token string) error {
// Expire in 24H
return r.Set(fmt.Sprintf("emailconfirmation:%s", email), token, config.EMAIL_CONFIRMATION_TOKEN_VALID_MINUTES*time.Minute)
}
// Get token for given email
func (r *redisManager) GetConfirmationToken(email string) (string, error) {
return r.Get(fmt.Sprintf("emailconfirmation:%s", email))
}
// Delete conf token
func (r *redisManager) DeleteConfirmationToken(email string) (int64, error) {
return r.Del(fmt.Sprintf("emailconfirmation:%s", email))
}
// Set reset password token
func (r *redisManager) SetResetPasswordToken(email string, token string) error {
// Expire in 24H
return r.Set(fmt.Sprintf("passwordreset:%s", email), token, config.EMAIL_CONFIRMATION_TOKEN_VALID_MINUTES*time.Minute)
}
// Get token for given email
func (r *redisManager) GetResetPasswordToken(email string) (string, error) {
return r.Get(fmt.Sprintf("passwordreset:%s", email))
}
// Delete conf token
func (r *redisManager) DeleteResetPasswordToken(email string) (int64, error) {
return r.Del(fmt.Sprintf("passwordreset:%s", email))
}
// Set token
func (r *redisManager) SetApproveServiceToken(email string, token string) error {
// Expire in 2 weeks
return r.Set(fmt.Sprintf("approveservice:%s", email), token, 336*time.Hour)
}
// Get token for given email
func (r *redisManager) GetApproveServiceToken(email string) (string, error) {
return r.Get(fmt.Sprintf("approveservice:%s", email))
}
// Delete conf token
func (r *redisManager) DeleteApproveServiceToken(email string) (int64, error) {
return r.Del(fmt.Sprintf("approveservice:%s", email))
}
// Functions for keeping track of connected clients
func (r *redisManager) AddConnectedClient(clientID string) error {
return r.Hset("clients", clientID, "1")
}
func (r *redisManager) RemoveConnectedClient(clientID string) error {
return r.Hdel("clients", clientID)
}
func (r *redisManager) GetNumberConnectedClients() (int64, error) {
return r.Hlen("clients")
}
func (r *redisManager) WipeAllConnectedClients() (int64, error) {
return r.Del("clients")
}
// For service tokens
func (r *redisManager) AddServiceToken(userID uuid.UUID, token string) error {
userIdStr := userID.String()
return r.Hset("servicetokens", token, userIdStr)
}
func (r *redisManager) GetServiceTokenUser(serviceToken string) (string, error) {
user, err := r.Hget("servicetokens", serviceToken)
if err != nil {
return "", err
}
return user, nil
}
func (r *redisManager) GetServiceTokenForUser(userID uuid.UUID) (string, error) {
userIdStr := userID.String()
ret, err := r.Hgetall("servicetokens")
if err != nil {
return "", err
}
for k, v := range ret {
if v == userIdStr {
return k, nil
}
}
return "", errors.New("No Token")
}
// For caching work
func (r *redisManager) CacheWork(hash string, result string) error {
// 5 minute cache
return r.Set(fmt.Sprintf("cache:%s", hash), result, 5*time.Minute)
}
func (r *redisManager) GetCachedWork(hash string) (string, error) {
return r.Get(fmt.Sprintf("cache:%s", hash))
}
// Client scoring
func (r *redisManager) UpdateClientScore(ip string, points int) error {
return r.Hset("clientscores", ip, strconv.Itoa(points+r.GetClientScore(ip)))
}
func (r *redisManager) GetClientScore(ip string) int {
score, err := r.Hget("clientscores", ip)
if err != nil {
return 0
}
scoreInt, err := strconv.Atoi(score)
if err != nil {
return 0
}
return scoreInt
}
func (r *redisManager) FilterOverperformingClients() ([]string, error) {
ret, err := r.Hgetall("clientscores")
if err != nil {
return nil, err
}
totalScore := 0
for _, score := range ret {
scoreInt, err := strconv.Atoi(score)
if err != nil {
totalScore += 0
}
totalScore += scoreInt
}
// Remove clients whos score makes up 15% or more of total
var toBroadcast []string
for ip, score := range ret {
score, err := strconv.Atoi(score)
if err != nil {
score = 0
}
if float64(score)/float64(totalScore) >= 0.15 {
toBroadcast = append(toBroadcast, ip)
}
}
return toBroadcast, nil
}
func (r *redisManager) WipeClientScores() (int64, error) {
return r.Del("clientscores")
}