Ensure we have reachable hosts

internal/app.go

@@ -57,8 +57,8 @@ func MainApp(configPath string) {
 		proxyURL = os.Getenv("PROXY")
 	}
 
-	repoClient4 := http.NewHTTPClient("", 0, 1, false, []string{}, proxyURL, nil, log.Named("network_test"))
-	repoClient6 := http.NewHTTPClient("", 0, 1, true, []string{}, proxyURL, nil, log.Named("network_test"))
+	repoClient4 := http.NewHTTPClient("", 0, 2, false, []string{}, proxyURL, nil, log.Named("network_test"))
+	repoClient6 := http.NewHTTPClient("", 0, 2, true, []string{}, proxyURL, nil, log.Named("network_test"))
 	repo := http.NewIPRepository(repoClient4, repoClient6, "", log.Named("network_test"))
 
 	var hosts []string

internal/config/types.go

@@ -192,7 +192,7 @@ func (z *ZurgConfig) GetApiTimeoutSecs() int {
 
 func (z *ZurgConfig) GetDownloadTimeoutSecs() int {
 	if z.DownloadTimeoutSecs == 0 {
-		return 10
+		return 15
 	}
 	return z.DownloadTimeoutSecs
 }

internal/handlers/home.go

@@ -541,6 +541,7 @@ func (zr *Handlers) handleHome(resp http.ResponseWriter, req *http.Request) {
                 <form method="post" action="/torrents/reset-repair-state">
                     <input type="submit" value="Reset repair state" /> Reset repair state of all torrents so they can be repaired again
                 </form>
+                // add more utilities here
             </td>
         </tr>
         <tr>

internal/handlers/router.go

@@ -396,7 +396,7 @@ func (hs *Handlers) handleDownloadLink(resp http.ResponseWriter, req *http.Reque
 		filename = chi.URLParam(req, "filename")
 	}
 	if download, ok := hs.torMgr.DownloadMap.Get(filename); ok {
-		hs.downloader.DownloadLink(download, resp, req, hs.torMgr, hs.cfg, hs.log)
+		hs.downloader.DownloadLink(download, resp, req, hs.cfg, hs.log)
 	} else {
 		http.NotFound(resp, req)
 	}

internal/torrent/manager.go

@@ -378,10 +378,10 @@ func (t *TorrentManager) deleteInfoFile(torrentID string) {
 
 func (t *TorrentManager) mountNewDownloads() {
 	token := t.Config.GetToken()
-	tokenMap, _ := t.rd.UnrestrictMap.Get(token)
+	unrestrictCache, _ := t.rd.UnrestrictCache.Get(token)
 
 	// clear maps
-	tokenMap.Clear()
+	unrestrictCache.Clear()
 	t.DownloadMap.Clear()
 
 	downloads := t.rd.GetDownloads()
@@ -391,7 +391,7 @@ func (t *TorrentManager) mountNewDownloads() {
 
 		if strings.HasPrefix(downloads[i].Link, "https://real-debrid.com/d/") {
 			downloads[i].Link = downloads[i].Link[0:39]
-			tokenMap.Set(downloads[i].Link, &downloads[i])
+			unrestrictCache.Set(downloads[i].Link, &downloads[i])
 			continue
 		}
 

internal/torrent/repair.go

@@ -19,7 +19,7 @@ const (
 	EXPIRED_LINK_TOLERANCE_HOURS = 24
 )
 
-// StartRepairJob is a permanent job that runs every periodically to repair broken torrents
+// StartRepairJob is a permanent job that runs periodically to repair broken torrents
 func (t *TorrentManager) StartRepairJob() {
 	if !t.Config.EnableRepair() {
 		t.repairLog.Warn("Repair is disabled, skipping repair job")
@@ -29,7 +29,6 @@ func (t *TorrentManager) StartRepairJob() {
 	t.RepairQueue = mapset.NewSet[*Torrent]()
 	t.RepairAllTrigger = make(chan struct{})
 
-	// periodic repair worker
 	t.workerPool.Submit(func() {
 		t.repairLog.Debug("Starting periodic repair job")
 		repairTicker := time.NewTicker(time.Duration(t.Config.GetRepairEveryMins()) * time.Minute)
@@ -48,6 +47,7 @@ func (t *TorrentManager) StartRepairJob() {
 }
 
 // EnqueueForRepair allows an on-demand repair to be initiated.
+// if torrent is nil, all torrents will be repaired
 func (t *TorrentManager) EnqueueForRepair(torrent *Torrent) {
 	if !t.Config.EnableRepair() {
 		if torrent != nil {

internal/universal/downloader.go

@@ -116,10 +116,9 @@ func (dl *Downloader) DownloadFile(
 	unrestrict, err := torMgr.UnrestrictFile(file)
 	if utils.AreAllTokensExpired(err) {
 		// log.Errorf("Your account has reached the bandwidth limit, please try again after 12AM CET")
-		http.Error(resp, "File is not available (bandwidth limit reached)", http.StatusBadRequest)
+		http.Error(resp, "File is not available (bandwidth limit reached, all tokens are expired)", http.StatusBadRequest)
 		return
-	}
-	if err != nil {
+	} else if err != nil {
 		if file.State.Event(context.Background(), "break_file") == nil {
 			torMgr.EnqueueForRepair(torrent)
 		}
@@ -144,7 +143,7 @@ func (dl *Downloader) DownloadFile(
 		redirect(resp, req, unrestrict.Download)
 	} else {
 		// log.Debugf("Streaming %s", unrestrict.Download)
-		dl.streamFileToResponse(torrent, file, unrestrict, resp, req, torMgr, cfg, log)
+		dl.streamFileToResponse(file, unrestrict, resp, req, cfg, log)
 	}
 }
 
@@ -153,7 +152,6 @@ func (dl *Downloader) DownloadLink(
 	unrestrict *realdebrid.Download,
 	resp http.ResponseWriter,
 	req *http.Request,
-	torMgr *intTor.TorrentManager,
 	cfg config.ConfigInterface,
 	log *logutil.Logger,
 ) {
@@ -162,17 +160,15 @@ func (dl *Downloader) DownloadLink(
 		redirect(resp, req, unrestrict.Download)
 	} else {
 		log.Debugf("Streaming %s", unrestrict.Download)
-		dl.streamFileToResponse(nil, nil, unrestrict, resp, req, torMgr, cfg, log)
+		dl.streamFileToResponse(nil, unrestrict, resp, req, cfg, log)
 	}
 }
 
 func (dl *Downloader) streamFileToResponse(
-	torrent *intTor.Torrent,
-	file *intTor.File,
+	file *intTor.File, // can be nil if downloading a link
 	unrestrict *realdebrid.Download,
 	resp http.ResponseWriter,
 	req *http.Request,
-	torMgr *intTor.TorrentManager,
 	cfg config.ConfigInterface,
 	log *logutil.Logger,
 ) {
@@ -182,7 +178,7 @@ func (dl *Downloader) streamFileToResponse(
 		if file != nil {
 			log.Errorf("Error creating new request for file %s: %v", file.Path, err)
 		}
-		http.Error(resp, "File is not available (can't create request)", http.StatusBadRequest)
+		http.Error(resp, "File is not available (can't create request)", http.StatusInternalServerError)
 		return
 	}
 
@@ -200,31 +196,15 @@ func (dl *Downloader) streamFileToResponse(
 	if utils.IsBytesLimitReached(err) {
 		dl.rd.TokenManager.SetTokenAsExpired(unrestrict.Token, "bandwidth limit exceeded")
 		// log.Errorf("Your account has reached the bandwidth limit, please try again after 12AM CET")
-		http.Error(resp, "File is not available (bandwidth limit reached)", http.StatusBadRequest)
-		return
-	} else if utils.IsInvalidDownloadCode(err) {
-		http.Error(resp, "File is not available (invalid download code)", http.StatusInternalServerError)
+		http.Error(resp, "File is not available (bandwidth limit reached)", http.StatusInternalServerError)
 		return
 	} else if err != nil {
 		log.Errorf("Cannot download file %s: %v", unrestrict.Download, err)
-		if file != nil && file.State.Event(context.Background(), "break_file") == nil {
-			torMgr.EnqueueForRepair(torrent)
-		}
-		http.Error(resp, "File is not available (can't download)", http.StatusBadRequest)
+		http.Error(resp, "File is not available (can't download)", http.StatusInternalServerError)
 		return
 	}
 	defer downloadResp.Body.Close()
 
-	// Check if the download was not successful
-	if downloadResp.StatusCode != http.StatusOK && downloadResp.StatusCode != http.StatusPartialContent {
-		log.Errorf("Received a %s status code for file %s", downloadResp.Status, unrestrict.Filename)
-		if file != nil && file.State.Event(context.Background(), "break_file") == nil {
-			torMgr.EnqueueForRepair(torrent)
-		}
-		http.Error(resp, "File is not available (download error)", http.StatusBadRequest)
-		return
-	}
-
 	if cr := downloadResp.Header.Get("Content-Range"); cr != "" {
 		resp.Header().Set("Content-Range", cr)
 	}

pkg/http/client.go

@@ -97,6 +97,9 @@ func NewHTTPClient(
 		MaxIdleConnsPerHost:   32,
 		MaxConnsPerHost:       32,
 		IdleConnTimeout:       90 * time.Second,
+		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
+			return dialer.Dial(network, address)
+		},
 	}
 
 	if forceIPv6 {
@@ -154,7 +157,7 @@ func (r *HTTPClient) Do(req *http.Request) (*http.Response, error) {
 		}
 
 		if len(r.hosts) > 0 {
-			r.ensureReachableHost(req)
+			r.ensureReachableDownloadServer(req)
 		}
 
 		if r.rateLimiter != nil {
@@ -197,15 +200,20 @@ func (r *HTTPClient) Do(req *http.Request) (*http.Response, error) {
 	return resp, err
 }
 
-func (r *HTTPClient) ensureReachableHost(req *http.Request) {
+// ensureReachableDownloadServer ensures that the request is sent to a reachable host
+// if not, it will replace the host with a reachable one
+func (r *HTTPClient) ensureReachableDownloadServer(req *http.Request) {
+	if len(r.hosts) == 0 {
+		return
+	}
+	// skip if not a download server
 	if !strings.Contains(req.Host, ".download.real-debrid.") {
 		return
 	}
-	// skip CDN servers
+	// skip if CDN servers
 	if req.Host[0] >= 'a' && req.Host[0] <= 'z' {
 		return
 	}
-
 	// check if req.Host is in r.hosts
 	if r.CheckIfHostIsReachable(req.Host) {
 		return
@@ -217,15 +225,17 @@ func (r *HTTPClient) ensureReachableHost(req *http.Request) {
 	} else if strings.HasSuffix(req.Host, ".cloud") {
 		newHost = strings.Replace(req.Host, ".cloud", ".com", 1)
 	}
-	// check if newHost is reachable
 	if r.CheckIfHostIsReachable(newHost) {
 		req.Host = newHost
-		req.URL.Host = req.Host
-		return
+	} else {
+		// just pick a random host
+		req.Host = r.hosts[rand.Intn(len(r.hosts))]
 	}
-	// just pick a random host
-	req.Host = r.hosts[rand.Intn(len(r.hosts))]
+
 	req.URL.Host = req.Host
+
+	// just retain the original host if not in the list of reachable hosts
+	// r.log.Debugf("Host %s is not found on the list of reachable hosts", req.Host)
 }
 
 // CheckIfHostIsReachable checks if the given host is passed in the list of reachable hosts
@@ -256,6 +266,23 @@ func (r *HTTPClient) shouldRetry(req *http.Request, resp *http.Response, err err
 		return false
 	}
 
+	// retry on timeout errors for download requests
+	if err != nil && strings.Contains(err.Error(), "timeout") && strings.Contains(req.Host, ".download.real-debrid.") && len(r.hosts) > 1 {
+		oldHost := req.Host
+		// remove old host from the list of reachable hosts
+		for i, host := range r.hosts {
+			if host == oldHost {
+				r.hosts = append(r.hosts[:i], r.hosts[i+1:]...)
+				break
+			}
+		}
+		// pick a new host from the list
+		req.Host = r.hosts[rand.Intn(len(r.hosts))]
+		req.URL.Host = req.Host
+		r.log.Debugf("Download timed out, attempt #%d, retrying with a new host (%s -> %s)", attempts+1, oldHost, req.URL.Host)
+		return true
+	}
+
 	if apiErr, ok := err.(*ApiErrorResponse); ok {
 		switch apiErr.Code {
 		case 5: // Slow down (retry infinitely)
@@ -291,20 +318,8 @@ func (r *HTTPClient) shouldRetry(req *http.Request, resp *http.Response, err err
 		default:
 			return false
 		}
-	} else if downloadErr, ok := err.(*DownloadErrorResponse); ok {
-		switch downloadErr.Message {
-		case "invalid_download_code": // 404
-			if attempts >= r.maxRetries {
-				r.log.Debugf("Invalid download code, attempt #%d", attempts+1)
-				return false
-			}
-			secs := r.backoff(attempts, rateLimitSleep)
-			r.log.Debugf("Invalid download code, attempt #%d, retrying in %d seconds", attempts+1, secs/time.Second)
-			time.Sleep(secs)
-			return true
-		default:
-			return false
-		}
+	} else if _, ok := err.(*DownloadErrorResponse); ok {
+		return false
 	}
 
 	// succesful requests
@@ -319,7 +334,7 @@ func (r *HTTPClient) shouldRetry(req *http.Request, resp *http.Response, err err
 	}
 
 	if attempts >= r.maxRetries {
-		r.log.Debugf("Request failed, attempt #%d (error=%v)", attempts+1, err)
+		r.log.Errorf("Request failed, attempt #%d (error=%v), giving up", attempts+1, err)
 		return false
 	}
 	secs := r.backoff(attempts, 1)
@@ -342,10 +357,6 @@ func (r *HTTPClient) VerifyLink(link string) error {
 	if err != nil {
 		return err
 	}
-	timeout := time.Duration(r.timeoutSecs) * time.Second
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-	req = req.WithContext(ctx)
 	resp, err := r.Do(req)
 	if err != nil {
 		return err

pkg/http/ip.go

@@ -11,9 +11,12 @@ import (
 	"net/url"
 	"os"
 	"sort"
+	"strings"
+	"sync"
 	"time"
 
 	"github.com/debridmediamanager/zurg/pkg/logutil"
+	"github.com/panjf2000/ants/v2"
 )
 
 type IPRepository struct {
@@ -89,6 +92,7 @@ func (r *IPRepository) GetHosts(numberOfHosts int, ipv6 bool) []string {
 		kvList = append(kvList, kv{k, v})
 	}
 
+	// Sort by latency from lowest to highest
 	sort.Slice(kvList, func(i, j int) bool {
 		return kvList[i].Value < kvList[j].Value
 	})
@@ -105,65 +109,78 @@ func (r *IPRepository) GetHosts(numberOfHosts int, ipv6 bool) []string {
 }
 
 func (r *IPRepository) runLatencyTest() {
-	limit := 99
-	start := 0
-	for {
-		lastDomainsWorked := false
-		for i := start; i <= limit; i++ {
-			domain := fmt.Sprintf("%d.download.real-debrid.com", i)
-			ips, err := net.LookupIP(domain)
-			if err != nil || len(ips) == 0 {
-				continue
+	var wg sync.WaitGroup
+	ipv6Enabled := false
+	if r.canConnectToIPv6() {
+		r.log.Info("Your network supports IPv6")
+		ipv6Enabled = true
+	} else {
+		r.log.Info("Your network does not support IPv6")
+	}
+
+	p, _ := ants.NewPoolWithFunc(8, func(h interface{}) {
+		defer wg.Done()
+		host := h.(string)
+
+		ips, err := net.LookupIP(host)
+		if err == nil && len(ips) > 0 {
+			latency, err := r.testDomainLatency(r.ipv4client, host)
+			if err == nil {
+				r.ipv4latencyMap[host] = latency
+				r.log.Debugf("Latency from ipv4 %s: %.5f seconds", host, latency)
 			}
 
-			latency, err := r.testDomainLatency(r.ipv4client, domain)
-			if err == nil {
-				r.ipv4latencyMap[domain] = latency
-				r.log.Debugf("Latency from ipv4 %s: %.5f seconds", domain, latency)
-				if i >= limit-2 {
-					lastDomainsWorked = true
+			if ipv6Enabled {
+				latency, err = r.testDomainLatency(r.ipv6client, host)
+				if err == nil {
+					r.ipv6latencyMap[host] = latency
+					r.log.Debugf("Latency from ipv6 %s: %.5f seconds", host, latency)
 				}
 			}
 
-			latency, err = r.testDomainLatency(r.ipv6client, domain)
-			if err == nil {
-				r.ipv6latencyMap[domain] = latency
-				r.log.Debugf("Latency from ipv6 %s: %.5f seconds", domain, latency)
-				if i >= limit-2 {
-					lastDomainsWorked = true
+			if strings.HasSuffix(host, ".download.real-debrid.com") {
+				ipv4Host := strings.Replace(host, ".download.real-debrid.com", "-4.download.real-debrid.com", 1)
+				latency, err := r.testDomainLatency(r.ipv4client, ipv4Host)
+				if err == nil {
+					r.ipv4latencyMap[ipv4Host] = latency
+					r.log.Debugf("Latency from ipv4 %s: %.5f seconds", ipv4Host, latency)
 				}
-			}
 
-			domain = fmt.Sprintf("%d.download.real-debrid.cloud", i)
-			ips, err = net.LookupIP(domain)
-			if err != nil || len(ips) == 0 {
-				continue
-			}
-
-			latency, err = r.testDomainLatency(r.ipv4client, domain)
-			if err == nil {
-				r.ipv4latencyMap[domain] = latency
-				r.log.Debugf("Latency from ipv4 %s: %.5f seconds", domain, latency)
-				if i >= limit-2 {
-					lastDomainsWorked = true
-				}
-			}
-
-			latency, err = r.testDomainLatency(r.ipv6client, domain)
-			if err == nil {
-				r.ipv6latencyMap[domain] = latency
-				r.log.Debugf("Latency from ipv6 %s: %.5f seconds", domain, latency)
-				if i >= limit-2 {
-					lastDomainsWorked = true
+				if ipv6Enabled {
+					ipv6Host := strings.Replace(host, ".download.real-debrid.com", "-6.download.real-debrid.com", 1)
+					latency, err = r.testDomainLatency(r.ipv6client, ipv6Host)
+					if err == nil {
+						r.ipv6latencyMap[ipv6Host] = latency
+						r.log.Debugf("Latency from ipv6 %s: %.5f seconds", ipv6Host, latency)
+					}
 				}
 			}
 		}
-		if lastDomainsWorked {
-			start = limit + 1
-			limit += 10
-		} else {
-			break
-		}
+	})
+
+	defer p.Release()
+
+	for i := 1; i <= 99; i++ {
+		wg.Add(2)
+		_ = p.Invoke(fmt.Sprintf("%d.download.real-debrid.com", i))
+		_ = p.Invoke(fmt.Sprintf("%d.download.real-debrid.cloud", i))
+	}
+
+	// for i := 'a'; i <= 'z'; i++ {
+	// 	for j := 'a'; j <= 'z'; j++ {
+	// 		for k := 'a'; k <= 'z'; k++ {
+	// 			wg.Add(2)
+	// 			_ = p.Invoke(fmt.Sprintf("%c%c%c.download.real-debrid.com", i, j, k))
+	// 			_ = p.Invoke(fmt.Sprintf("%c%c%c1.download.real-debrid.com", i, j, k))
+	// 		}
+	// 	}
+	// }
+
+	wg.Wait()
+
+	r.log.Infof("Found %d ipv4 hosts", len(r.ipv4latencyMap))
+	if ipv6Enabled {
+		r.log.Infof("Found %d ipv6 hosts", len(r.ipv6latencyMap))
 	}
 }
 
@@ -252,3 +269,18 @@ func (r *IPRepository) writeLatencyFile(latencyFile string, data interface{}) {
 		return
 	}
 }
+
+func (r *IPRepository) canConnectToIPv6() bool {
+	address := "[2001:4860:4860::8888]:53" // Google Public DNS IPv6 address on port 53
+	timeout := 5 * time.Second             // Timeout duration
+
+	conn, err := net.DialTimeout("tcp6", address, timeout)
+	if err != nil {
+		fmt.Printf("Failed to connect to IPv6 address %s: %v\n", address, err)
+		return false
+	}
+	defer conn.Close()
+
+	fmt.Printf("Successfully connected to IPv6 address %s\n", address)
+	return true
+}

pkg/realdebrid/api.go

@@ -17,7 +17,7 @@ import (
 )
 
 type RealDebrid struct {
-	UnrestrictMap       cmap.ConcurrentMap[string, cmap.ConcurrentMap[string, *Download]]
+	UnrestrictCache     cmap.ConcurrentMap[string, cmap.ConcurrentMap[string, *Download]]
 	TokenManager        *DownloadTokenManager
 	torrentsCache       []Torrent
 	verifiedLinks       cmap.ConcurrentMap[string, int64]
@@ -45,7 +45,7 @@ func NewRealDebrid(apiClient,
 	}
 
 	rd := &RealDebrid{
-		UnrestrictMap:       cmap.New[cmap.ConcurrentMap[string, *Download]](),
+		UnrestrictCache:     cmap.New[cmap.ConcurrentMap[string, *Download]](),
 		TokenManager:        NewDownloadTokenManager(downloadTokens, log),
 		torrentsCache:       []Torrent{},
 		verifiedLinks:       cmap.New[int64](),
@@ -59,16 +59,17 @@ func NewRealDebrid(apiClient,
 	}
 
 	for _, token := range downloadTokens {
-		rd.UnrestrictMap.Set(token, cmap.New[*Download]())
+		rd.UnrestrictCache.Set(token, cmap.New[*Download]())
 	}
 
 	return rd
 }
 
-const DOWNLOAD_LINK_EXPIRY = 60 * 60 * 1.5 // 1.5 hours
+const DOWNLOAD_LINK_EXPIRY = 60 * 3 // 3 minutes
 
 func (rd *RealDebrid) UnrestrictAndVerify(link string) (*Download, error) {
 	for {
+		now := time.Now().Unix()
 		token, err := rd.TokenManager.GetCurrentToken()
 		if err != nil {
 			// when all tokens are expired
@@ -76,48 +77,38 @@ func (rd *RealDebrid) UnrestrictAndVerify(link string) (*Download, error) {
 		}
 
 		// check if the link is already unrestricted
-		tokenMap, _ := rd.UnrestrictMap.Get(token)
-		if tokenMap.Has(link) {
-			download, _ := tokenMap.Get(link)
+		unrestrictCache, _ := rd.UnrestrictCache.Get(token)
+		if unrestrictCache.Has(link) {
+			download, _ := unrestrictCache.Get(link)
 
-			// check if the link is in the verified links cache
-			if expiry, ok := rd.verifiedLinks.Get(download.ID); ok && expiry > time.Now().Unix() {
+			// check if the link is in the verified links cache and not expired
+			if expiry, ok := rd.verifiedLinks.Get(download.ID); ok && expiry > now {
 				return download, nil
-			} else if ok {
-				// if the link is expired, remove it from the verified links cache
-				rd.verifiedLinks.Remove(download.ID)
 			}
 
-			// check if the link is still valid (not in the cache or expired)
+			// we need to re-verify the link
+
+			rd.verifiedLinks.Remove(download.ID)
 			err := rd.downloadClient.VerifyLink(download.Download)
-			if utils.IsBytesLimitReached(err) {
+			if err == nil {
+				// yes? then extend the expiry time?
+				rd.verifiedLinks.Set(download.ID, now+DOWNLOAD_LINK_EXPIRY)
+				return download, nil
+			} else if utils.IsBytesLimitReached(err) {
 				rd.TokenManager.SetTokenAsExpired(token, "bandwidth limit exceeded")
 				continue
-			} else if err == nil {
-				rd.verifiedLinks.Set(download.ID, time.Now().Unix()+DOWNLOAD_LINK_EXPIRY)
-				return download, nil
 			}
+
 			// if verification failed, remove the link from the token map
-			tokenMap.Remove(link)
+			unrestrictCache.Remove(link)
 		}
 
 		download, err := rd.UnrestrictLinkWithToken(link, token)
 		if err != nil {
 			return nil, err
 		}
-		download.Token = token
-
-		tokenMap.Set(link, download)
-
-		err = rd.downloadClient.VerifyLink(download.Download)
-		if utils.IsBytesLimitReached(err) {
-			rd.TokenManager.SetTokenAsExpired(token, "bandwidth limit exceeded")
-			continue
-		} else if err != nil {
-			return nil, err
-		}
-
-		rd.verifiedLinks.Set(download.ID, time.Now().Unix()+DOWNLOAD_LINK_EXPIRY)
+		unrestrictCache.Set(link, download)
+		rd.verifiedLinks.Set(download.ID, now+DOWNLOAD_LINK_EXPIRY)
 
 		return download, err
 	}
@@ -162,6 +153,8 @@ func (rd *RealDebrid) UnrestrictLinkWithToken(link, token string) (*Download, er
 		return nil, fmt.Errorf("undecodable response: %v", err)
 	}
 
+	response.Token = token
+
 	// rd.log.Debugf("Unrestricted link %s into %s", link, response.Download)
 	return &response, nil
 }
@@ -428,30 +421,28 @@ func (rd *RealDebrid) MonitorExpiredTokens() {
 			i++
 			expiredTokens := rd.TokenManager.GetExpiredTokens()
 			for _, token := range expiredTokens {
-				tokenMap, _ := rd.UnrestrictMap.Get(token)
-				stillExpired := true
+				unrestrictCache, _ := rd.UnrestrictCache.Get(token)
 				skipAll := false
-				tokenMap.IterCb(func(key string, download *Download) {
+				unrestrictCache.IterCb(func(key string, download *Download) {
 					if skipAll {
 						return
 					}
 					err := rd.downloadClient.VerifyLink(download.Download)
 					if err != nil {
 						if utils.IsBytesLimitReached(err) {
-							if i%15 == 0 {
+							if i%10 == 0 {
 								rd.log.Debugf("Token %s is still expired", utils.MaskToken(token))
 							}
+							// we already know that it is still expired
 							skipAll = true
 						}
 						return
 					}
-					stillExpired = false
+
 					skipAll = true
 					rd.verifiedLinks.Set(download.ID, time.Now().Unix()+DOWNLOAD_LINK_EXPIRY)
-				})
-				if !stillExpired {
 					rd.TokenManager.SetTokenAsUnexpired(token)
-				}
+				})
 			}
 			time.Sleep(sleepPeriod)
 		}