feat(tracker): add BTN

README.md

@@ -112,6 +112,8 @@ filters:
 trackers:
   bhd:
     api_key: your-api-key
+  btn:
+    api_key: your-api-key
   ptp:
     api_user: your-api-user
     api_key: your-api-key
@@ -136,12 +138,15 @@ Allows tqm to validate if a torrent was removed from the tracker using the track
 Currently implements:
 
 - Beyond-HD
+- BTN
 - HDB
 - OPS
 - PTP
 - RED
 - UNIT3D trackers
 
+**Note for BTN users**: When first using the BTN API, you may need to authorize your IP address. Check your BTN notices/messages for the authorization request.
+
 ## Filtering Language Definition
 
 The language definition used in the configuration filters is available [here](https://github.com/antonmedv/expr/blob/586b86b462d22497d442adbc924bfb701db3075d/docs/Language-Definition.md)

tracker/btn.go

@@ -0,0 +1,168 @@
+package tracker
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/autobrr/tqm/httputils"
+	"github.com/autobrr/tqm/logger"
+	"github.com/sirupsen/logrus"
+	"go.uber.org/ratelimit"
+)
+
+type BTNConfig struct {
+	Key string `koanf:"api_key"`
+}
+
+type BTN struct {
+	cfg  BTNConfig
+	http *http.Client
+	log  *logrus.Entry
+}
+
+func NewBTN(c BTNConfig) *BTN {
+	l := logger.GetLogger("btn-api")
+	return &BTN{
+		cfg:  c,
+		http: httputils.NewRetryableHttpClient(15*time.Second, ratelimit.New(1, ratelimit.WithoutSlack), l),
+		log:  l,
+	}
+}
+
+func (c *BTN) Name() string {
+	return "BTN"
+}
+
+func (c *BTN) Check(host string) bool {
+	return strings.EqualFold(host, "landof.tv")
+}
+
+// extractTorrentID extracts the torrent ID from the torrent comment field
+func (c *BTN) extractTorrentID(comment string) (string, error) {
+	if comment == "" {
+		return "", fmt.Errorf("empty comment field")
+	}
+
+	re := regexp.MustCompile(`https?://[^/]*broadcasthe\.net/torrents\.php\?action=reqlink&id=(\d+)`)
+	matches := re.FindStringSubmatch(comment)
+
+	if len(matches) < 2 {
+		return "", fmt.Errorf("no torrent ID found in comment: %s", comment)
+	}
+
+	return matches[1], nil
+}
+
+func (c *BTN) IsUnregistered(torrent *Torrent) (error, bool) {
+	if !strings.EqualFold(torrent.TrackerName, "landof.tv") || torrent.Comment == "" {
+		return nil, false
+	}
+
+	torrentID, err := c.extractTorrentID(torrent.Comment)
+	if err != nil {
+		return nil, false
+	}
+
+	type JSONRPCRequest struct {
+		JsonRPC string        `json:"jsonrpc"`
+		Method  string        `json:"method"`
+		Params  []interface{} `json:"params"`
+		ID      int           `json:"id"`
+	}
+
+	type TorrentInfo struct {
+		InfoHash    string `json:"InfoHash"`
+		ReleaseName string `json:"ReleaseName"`
+	}
+
+	type JSONRPCResponse struct {
+		JsonRPC string `json:"jsonrpc"`
+		Result  struct {
+			Results  string                 `json:"results"`
+			Torrents map[string]TorrentInfo `json:"torrents"`
+		} `json:"result"`
+		Error *struct {
+			Code    int    `json:"code"`
+			Message string `json:"message"`
+		} `json:"error,omitempty"`
+		ID int `json:"id"`
+	}
+
+	// prepare request
+	reqBody := JSONRPCRequest{
+		JsonRPC: "2.0",
+		Method:  "getTorrentsSearch",
+		Params:  []interface{}{c.cfg.Key, map[string]interface{}{"id": torrentID}, 1},
+		ID:      1,
+	}
+
+	jsonBody, err := json.Marshal(reqBody)
+	if err != nil {
+		return fmt.Errorf("btn: marshal request: %w", err), false
+	}
+
+	// create request
+	req, err := http.NewRequest(http.MethodPost, "https://api.broadcasthe.net", bytes.NewReader(jsonBody))
+	if err != nil {
+		return fmt.Errorf("btn: create request: %w", err), false
+	}
+
+	// set headers
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "application/json")
+
+	// send request
+	resp, err := c.http.Do(req)
+	if err != nil {
+		c.log.WithError(err).Errorf("Failed checking torrent %s (hash: %s)", torrent.Name, torrent.Hash)
+		return fmt.Errorf("btn: request check: %w", err), false
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("btn: unexpected status code: %d", resp.StatusCode), false
+	}
+
+	// decode response
+	var response JSONRPCResponse
+	if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
+		return fmt.Errorf("btn: decode response: %w", err), false
+	}
+
+	// check for RPC error
+	if response.Error != nil {
+		// check message content for IP authorization
+		if strings.Contains(strings.ToLower(response.Error.Message), "ip address needs authorization") {
+			c.log.Error("BTN API requires IP authorization. Please check your notices on BTN")
+			return fmt.Errorf("btn: IP authorization required - check BTN notices"), false
+		}
+
+		// default error case
+		return fmt.Errorf("btn: api error: %s (code: %d)", response.Error.Message, response.Error.Code), false
+	}
+
+	// check if we got any results
+	if response.Result.Results == "0" || len(response.Result.Torrents) == 0 {
+		return nil, true
+	}
+
+	// compare infohash
+	for _, t := range response.Result.Torrents {
+		if strings.EqualFold(t.InfoHash, torrent.Hash) {
+			return nil, false
+		}
+	}
+
+	// if we get here, the torrent ID exists but hash doesn't match
+	c.log.Debugf("Torrent ID exists but hash mismatch for: %s", torrent.Name)
+	return nil, true
+}
+
+func (c *BTN) IsTrackerDown(torrent *Torrent) (error, bool) {
+	return nil, false
+}

tracker/struct.go

@@ -2,6 +2,7 @@ package tracker
 
 type Config struct {
 	BHD    BHDConfig
+	BTN    BTNConfig
 	PTP    PTPConfig
 	HDB    HDBConfig
 	RED    REDConfig

tracker/tracker.go

@@ -11,6 +11,9 @@ func Init(cfg Config) error {
 	if cfg.BHD.Key != "" {
 		trackers = append(trackers, NewBHD(cfg.BHD))
 	}
+	if cfg.BTN.Key != "" {
+		trackers = append(trackers, NewBTN(cfg.BTN))
+	}
 	if cfg.PTP.User != "" && cfg.PTP.Key != "" {
 		trackers = append(trackers, NewPTP(cfg.PTP))
 	}