forked from h31/Reflection
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
1184 lines (1039 loc) · 31.9 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
package main
import (
"bytes"
"crypto/sha1"
"encoding/base64"
"encoding/json"
"errors"
"flag"
"fmt"
"github.com/Workiva/go-datastructures/bitarray"
"github.com/h31/Reflection/qBT"
"github.com/h31/Reflection/transmission"
"github.com/ricochet2200/go-disk-usage/du"
log "github.com/sirupsen/logrus"
"io/ioutil"
"math"
"mime/multipart"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"time"
"unicode"
)
var (
verbose = flag.Bool("verbose", false, "Enable verbose output")
debug = flag.Bool("debug", false, "Enable debug output")
apiAddr = flag.String("api-addr", "http://localhost:8080/", "qBittorrent API address")
port = flag.Uint("port", 9091, "Transmission RPC port")
cacheTimeout = flag.Uint("cache-timeout", 15, "Cache timeout (in seconds)")
disableKeepAlive = flag.Bool("disable-keep-alive", false, "Disable HTTP Keep-Alive in requests (may be necessary for older qBittorrent versions)")
useSync = flag.Bool("sync", true, "Use Sync endpoint (recommended)")
)
func init() {
flag.BoolVar(verbose, "v", false, "")
flag.BoolVar(debug, "d", false, "")
flag.StringVar(apiAddr, "r", "http://localhost:8080/", "")
flag.UintVar(port, "p", 9091, "")
flag.Parse()
}
var deprecatedFields = map[string]struct{}{
"announceUrl": {},
"announceResponse": {},
"seeders": {},
"leechers": {},
"downloadLimitMode": {},
"uploadLimitMode": {},
"nextAnnounceTime": {},
}
type argumentValue int
const (
ARGUMENT_NOT_SET argumentValue = iota
ARGUMENT_TRUE argumentValue = iota
ARGUMENT_FALSE argumentValue = iota
)
type additionalArguments struct {
sequentialDownload argumentValue
firstLastPiecesFirst argumentValue
skipChecking argumentValue
}
var qBTConn qBT.Connection
func IsFieldDeprecated(field string) bool {
_, ok := deprecatedFields[field]
return ok
}
//func parseIDsArgument(args *json.RawMessage) []*qBT.TorrentInfo {
// allIds := parseIDsField(args)
// filtered := make([]qBT.ID, 0)
// for _, id := range allIds {
// if qBTConn.TorrentsList.ByID(id) != nil {
// filtered = append(filtered, id)
// }
// }
// return filtered
//}
func parseIDsField(args *json.RawMessage) qBT.TorrentInfoList {
qBTConn.UpdateTorrentsList()
if args == nil {
log.Debug("No IDs provided")
return qBTConn.TorrentsList.Slice()
}
var ids interface{}
err := json.Unmarshal(*args, &ids)
Check(err)
switch ids := ids.(type) {
case float64:
log.Debug("Query a single ID")
return []*qBT.TorrentInfo{qBTConn.TorrentsList.ByID(qBT.ID(ids))}
case []interface{}:
log.Debug("Query an ID list of length ", len(ids))
result := make([]*qBT.TorrentInfo, len(ids))
for i, value := range ids {
switch id := value.(type) {
case float64:
result[i] = qBTConn.TorrentsList.ByID(qBT.ID(id))
case string:
hash := qBT.Hash(id)
result[i] = qBTConn.TorrentsList.ByHash(hash)
}
if result[i] == nil {
panic("hash not found")
}
}
return result
case string:
if ids != "recently-active" {
panic("Unsupported ID type: " + ids)
}
log.Debug("Query recently-active")
if *useSync {
return qBTConn.TorrentsList.GetActive()
} else {
return qBTConn.TorrentsList.Slice()
}
default:
log.Panicf("Unknown ID type: %s", ids)
panic("Unknown ID type")
}
}
func parseActionArgument(args json.RawMessage) qBT.TorrentInfoList {
var req struct {
Ids json.RawMessage
}
err := json.Unmarshal(args, &req)
Check(err)
return parseIDsField(&req.Ids)
}
func MapTorrentList(dst JsonMap, src *qBT.TorrentInfo) {
for key, value := range transmission.TorrentGetBase {
dst[key] = value
}
dst["hashString"] = src.Hash
convertedName := EscapeString(src.Name)
dst["name"] = convertedName
dst["addedDate"] = src.Added_on
dst["startDate"] = src.Added_on // TODO
dst["doneDate"] = src.Completion_on
dst["sizeWhenDone"] = src.Size
dst["totalSize"] = src.Total_size
dst["downloadDir"] = EscapeString(src.Save_path)
dst["rateDownload"] = src.Dlspeed
dst["rateUpload"] = src.Upspeed
dst["uploadRatio"] = src.Ratio
if src.Eta >= 0 {
dst["eta"] = src.Eta
} else {
dst["eta"] = -1
}
dst["status"] = qBTStateToTransmissionStatus(src.State)
if dst["status"] == TR_STATUS_CHECK {
dst["recheckProgress"] = src.Progress
} else {
dst["recheckProgress"] = 0
}
dst["error"] = qBTStateToTransmissionError(src.State)
dst["isStalled"] = qBTStateToTransmissionStalled(src.State)
dst["percentDone"] = src.Progress
dst["peersGettingFromUs"] = src.Num_leechs
dst["peersSendingToUs"] = src.Num_seeds
dst["leftUntilDone"] = float64(src.Size) * (1 - src.Progress)
dst["desiredAvailable"] = float64(src.Size) * (1 - src.Progress) // TODO
dst["haveUnchecked"] = 0 // TODO
if src.State == "metaDL" {
dst["metadataPercentComplete"] = 0
} else {
dst["metadataPercentComplete"] = 1
}
}
const TR_STAT_OK = 0
const TR_STATUS_LOCAL_ERROR = 3
func qBTStateToTransmissionError(state string) int {
if state == "error" || state == "missingFiles" {
return TR_STATUS_LOCAL_ERROR // TR_STAT_LOCAL_ERROR
} else {
return TR_STAT_OK // TR_STAT_OK
}
}
func qBTStateToTransmissionStalled(state string) bool {
switch state {
case "stalledDL", "stalledUP":
return true
default:
return false
}
}
const TR_STATUS_STOPPED = 0
const TR_STATUS_CHECK = 2
const TR_STATUS_DOWNLOAD_WAIT = 3
const TR_STATUS_DOWNLOAD = 4
const TR_STATUS_SEED_WAIT = 5
const TR_STATUS_SEED = 6
func qBTStateToTransmissionStatus(state string) int {
switch state {
case "pausedUP", "pausedDL":
return TR_STATUS_STOPPED // TR_STATUS_STOPPED
case "checkingUP", "checkingDL":
return TR_STATUS_CHECK // TR_STATUS_CHECK
case "queuedDL":
return TR_STATUS_DOWNLOAD_WAIT // TR_STATUS_DOWNLOAD_WAIT
case "downloading", "stalledDL", "forceDL":
return TR_STATUS_DOWNLOAD // TR_STATUS_DOWNLOAD
case "queuedUP":
return TR_STATUS_SEED_WAIT // TR_STATUS_SEED_WAIT
case "uploading", "stalledUP", "forcedUP":
return TR_STATUS_SEED // TR_STATUS_SEED
case "error", "missingFiles":
return TR_STATUS_STOPPED // TR_STATUS_STOPPED
default:
return TR_STATUS_STOPPED // TR_STATUS_STOPPED
}
}
func MapPieceStates(dst JsonMap, pieces []byte) {
bits := bitarray.NewSparseBitArray()
for i, value := range pieces {
if value == 2 {
bits.SetBit(uint64(i))
}
}
serialized, _ := bitarray.Marshal(bits)
dst["pieces"] = base64.StdEncoding.EncodeToString(serialized)
}
func MakePiecesBitArray(total, have int) string {
if (total < 0) || (have < 0) {
return "" // Empty array
}
arrLen := uint(math.Ceil(float64(total) / 8))
arr := make([]byte, arrLen)
fullBytes := uint(math.Floor(float64(have) / 8))
for i := uint(0); i < fullBytes; i++ {
arr[i] = math.MaxUint8
}
for i := uint(0); i < (uint(have) - fullBytes*8); i++ {
arr[fullBytes] |= 128 >> i
}
return base64.StdEncoding.EncodeToString(arr)
}
func isMn(r rune) bool {
return unicode.Is(unicode.Mn, r) // Mn: nonspacing marks
}
type escapedString string
func (s escapedString) MarshalJSON() ([]byte, error) {
return []byte(strconv.QuoteToASCII(string(s))), nil
}
func EscapeString(in string) escapedString {
return escapedString(in)
}
func boolToYesNo(value bool) string {
if value {
return "yes"
} else {
return "no"
}
}
func addPropertiesToCommentField(dst JsonMap, torrentItem *qBT.TorrentInfo, propGeneral qBT.PropertiesGeneral) {
dst["comment"] = fmt.Sprintf("%s\n"+
" ----- \n"+
"Sequential download: %s\n"+
"First and last pieces first: %s", propGeneral.Comment,
boolToYesNo(torrentItem.Seq_dl), boolToYesNo(torrentItem.F_l_piece_prio))
}
func MapPropsGeneral(dst JsonMap, propGeneral qBT.PropertiesGeneral) {
dst["pieceSize"] = propGeneral.Piece_size
dst["pieceCount"] = propGeneral.Pieces_num
dst["addedDate"] = propGeneral.Addition_date
dst["startDate"] = propGeneral.Addition_date // TODO
dst["dateCreated"] = propGeneral.Creation_date
dst["creator"] = propGeneral.Created_by
dst["doneDate"] = propGeneral.Completion_date
dst["totalSize"] = propGeneral.Total_size
dst["haveValid"] = propGeneral.Piece_size * propGeneral.Pieces_have
dst["downloadedEver"] = propGeneral.Total_downloaded
dst["uploadedEver"] = propGeneral.Total_uploaded
dst["peersConnected"] = propGeneral.Peers
dst["peersFrom"] = struct {
fromCache int
fromDht int
fromIncoming int
fromLdp int
fromLtep int
fromPex int
fromTracker int
}{
fromTracker: propGeneral.Peers,
}
dst["corruptEver"] = propGeneral.Total_wasted
if propGeneral.Up_limit >= 0 {
dst["uploadLimited"] = true
dst["uploadLimit"] = propGeneral.Up_limit
} else {
dst["uploadLimited"] = false
dst["uploadLimit"] = 0
}
if propGeneral.Dl_limit >= 0 {
dst["downloadLimited"] = true
dst["downloadLimit"] = propGeneral.Dl_limit // TODO: Kb/s?
} else {
dst["downloadLimited"] = false
dst["downloadLimit"] = 0
}
dst["maxConnectedPeers"] = propGeneral.Nb_connections_limit
dst["peer-limit"] = propGeneral.Nb_connections_limit // TODO: What's it?
}
func MapPropsPeers(dst JsonMap, hash qBT.Hash) {
url := qBTConn.MakeRequestURLWithParam("sync/torrentPeers", map[string]string{"hash": string(hash), "rid": "0"})
torrents := qBTConn.DoGET(url)
log.Debug(string(torrents))
var resp struct {
//Peers map[string]qBT.PeerInfo
Peers map[string]qBT.PeerInfo
}
err := json.Unmarshal(torrents, &resp)
Check(err)
//var trPeers []transmission.PeerInfo
trPeers := make([]transmission.PeerInfo, 0)
for _, peer := range resp.Peers {
clientName := EscapeString(peer.Client)
country := EscapeString(peer.Country)
trPeers = append(trPeers, transmission.PeerInfo{
RateToPeer: peer.Up_speed,
RateToClient: peer.Dl_speed,
ClientName: clientName,
FlagStr: peer.Flags,
Country: country,
Address: peer.IP,
Progress: peer.Progress,
Port: peer.Port,
})
}
dst["peers"] = trPeers
}
func MapPropsTrackers(dst JsonMap, trackers []qBT.PropertiesTrackers) {
trackersList := make([]JsonMap, len(trackers))
for i, value := range trackers {
id := i
trackersList[i] = make(JsonMap)
trackersList[i]["announce"] = value.Url
trackersList[i]["id"] = id
trackersList[i]["scrape"] = value.Url
trackersList[i]["tier"] = 0 // TODO
}
dst["trackers"] = trackersList
}
func MapPropsTrackerStats(dst JsonMap, trackers []qBT.PropertiesTrackers, torrentInfo *qBT.TorrentInfo) {
trackerStats := make([]JsonMap, len(trackers))
for i, value := range trackers {
id := i
trackerStats[i] = make(JsonMap)
for key, value := range transmission.TrackerStatsTemplate {
trackerStats[i][key] = value
}
trackerStats[i]["announce"] = value.Url
trackerStats[i]["host"] = value.Url
trackerStats[i]["leecherCount"] = torrentInfo.Num_incomplete
trackerStats[i]["seederCount"] = torrentInfo.Num_complete
trackerStats[i]["downloadCount"] = torrentInfo.Num_complete // TODO: Find a more accurate source
trackerStats[i]["lastAnnouncePeerCount"] = torrentInfo.Num_complete + torrentInfo.Num_incomplete // TODO: Is it correct?
trackerStats[i]["lastAnnounceResult"] = decodeTrackerStatus(value.Status)
trackerStats[i]["lastAnnounceSucceeded"] = value.Status == 2
trackerStats[i]["hasAnnounced"] = value.Status == 2
trackerStats[i]["id"] = id
trackerStats[i]["scrape"] = ""
trackerStats[i]["tier"] = 0 // TODO
}
dst["trackerStats"] = trackerStats
}
func decodeTrackerStatus(status int) string {
switch status {
case 0:
return "Tracker is disabled"
case 1:
return "Tracker has not been contacted yet"
case 2:
return "Tracker has been contacted and is working"
case 3:
return "Tracker is updating"
case 4:
return "Tracker has been contacted, but it is not working (or doesn't send proper replies)"
default:
return "Unknown status"
}
}
func MapPropsFiles(dst JsonMap, filesInfo []qBT.PropertiesFiles) {
fileNum := len(filesInfo)
files := make([]JsonMap, fileNum)
fileStats := make([]JsonMap, fileNum)
priorities := make([]int, fileNum)
wanted := make([]int, fileNum)
for i, value := range filesInfo {
files[i] = make(JsonMap)
fileStats[i] = make(JsonMap)
files[i]["bytesCompleted"] = float64(value.Size) * value.Progress
files[i]["length"] = value.Size
convertedName := EscapeString(value.Name)
files[i]["name"] = convertedName
fileStats[i]["bytesCompleted"] = float64(value.Size) * value.Progress
if value.Priority == 0 {
fileStats[i]["wanted"] = false
wanted[i] = 0
} else {
fileStats[i]["wanted"] = true
wanted[i] = 1
}
fileStats[i]["priority"] = 0 // TODO
priorities[i] = 0 // TODO
}
dst["files"] = files
dst["fileStats"] = fileStats
dst["priorities"] = priorities
dst["wanted"] = wanted
}
var propsCache = Cache{Timeout: time.Duration(*cacheTimeout) * time.Second}
var trackersCache = Cache{Timeout: time.Duration(*cacheTimeout) * time.Second}
func TorrentGet(args json.RawMessage) (JsonMap, string) {
var req transmission.GetRequest
err := json.Unmarshal(args, &req)
Check(err)
torrents := parseIDsField(req.Ids)
severalIDsRequired := len(torrents) > 1
fields := req.Fields
filesNeeded := false
trackersNeeded := false
trackerStatsNeeded := false
peersNeeded := false
propsGeneralNeeded := false
piecesNeeded := false
for _, field := range fields {
additionalRequestsNeeded := true
switch field {
case "files", "fileStats", "priorities", "wanted":
filesNeeded = true
case "trackers":
trackersNeeded = true
case "trackerStats":
trackerStatsNeeded = true
case "peers":
peersNeeded = true
case "pieceSize", "pieceCount",
"comment", "dateCreated", "creator",
"haveValid", "downloadedEver",
"uploadedEver", "peersConnected", "peersFrom",
"corruptEver", "uploadLimited", "uploadLimit", "downloadLimited",
"downloadLimit", "maxConnectedPeers", "peer-limit":
propsGeneralNeeded = true
case "pieces":
piecesNeeded = true
default:
additionalRequestsNeeded = false
}
if additionalRequestsNeeded && severalIDsRequired {
log.Info("Field which caused a full torrent scan (slow op!): " + field)
}
}
resultList := make([]JsonMap, len(torrents))
for i, torrentItem := range torrents {
translated := make(JsonMap)
hash := torrentItem.Hash
id := torrentItem.Id
MapTorrentList(translated, torrentItem) // TODO: Make it conditional too
if propsGeneralNeeded {
log.WithField("id", id).WithField("hash", hash).Debug("Props required")
propsCache.GetOrFill(hash, translated, severalIDsRequired, func(dest JsonMap) {
propGeneral := qBTConn.GetPropsGeneral(hash)
MapPropsGeneral(dest, propGeneral)
addPropertiesToCommentField(dest, torrentItem, propGeneral)
})
}
if trackersNeeded || trackerStatsNeeded {
log.WithField("id", id).WithField("hash", hash).Debug("Trackers required")
trackersCache.GetOrFill(hash, translated, severalIDsRequired, func(dest JsonMap) {
trackers := qBTConn.GetPropsTrackers(hash)
MapPropsTrackers(dest, trackers)
MapPropsTrackerStats(dest, trackers, torrentItem)
})
}
if piecesNeeded {
log.WithField("id", id).WithField("hash", hash).Debug("Pieces required")
pieces := qBTConn.GetPiecesStates(hash)
MapPieceStates(translated, pieces)
}
if filesNeeded {
log.WithField("id", id).WithField("hash", hash).Debug("Files required")
files := qBTConn.GetPropsFiles(hash)
MapPropsFiles(translated, files)
}
if peersNeeded {
log.WithField("id", id).WithField("hash", hash).Debug("Peers required")
MapPropsPeers(translated, hash)
}
translated["id"] = id
translated["queuePosition"] = i + 1
// TODO: Check it once
for _, field := range fields {
if _, ok := translated[field]; !ok {
if !IsFieldDeprecated(field) {
log.Error("Unsupported field: ", field)
panic("Unsupported field: " + field)
}
}
}
for translatedField := range translated {
if !Any(fields, translatedField) {
// Remove unneeded fields
delete(translated, translatedField)
}
}
resultList[i] = translated
}
response := JsonMap{"torrents": resultList}
addRemovedList(req.Ids, response)
return response, "success"
}
func addRemovedList(idsField *json.RawMessage, resp JsonMap) {
if idsField == nil {
return
}
var ids interface{}
err := json.Unmarshal(*idsField, &ids)
Check(err)
switch ids.(type) {
case string:
resp["removed"] = qBTConn.TorrentsList.GetRemoved()
}
}
func qBTEncryptionToTR(enc int) (res string) {
switch enc {
case 0:
return "preferred"
case 1:
return "required"
default:
return "tolerated"
}
}
func SessionGet() (JsonMap, string) {
session := make(JsonMap)
for key, value := range transmission.SessionGetBase {
session[key] = value
}
prefs := qBTConn.GetPreferences()
session["download-dir"] = prefs.Save_path
session["speed-limit-down"] = prefs.Dl_limit / 1024
session["speed-limit-up"] = prefs.Up_limit / 1024
if prefs.Dl_limit == -1 {
session["speed-limit-down-enabled"] = false
} else {
session["speed-limit-down-enabled"] = true
}
if prefs.Up_limit == -1 {
session["speed-limit-up-enabled"] = false
} else {
session["speed-limit-up-enabled"] = true
}
session["peer-limit-global"] = prefs.Max_connec
session["peer-limit-per-torrent"] = prefs.Max_connec_per_torrent
session["peer-port"] = prefs.Listen_port
session["seedRatioLimit"] = prefs.Max_ratio
session["seedRatioLimited"] = prefs.Max_ratio_enabled
session["peer-port-random-on-start"] = prefs.Random_port
session["port-forwarding-enabled"] = prefs.Upnp
session["utp-enabled"] = prefs.Enable_utp
session["dht-enabled"] = prefs.Dht
session["incomplete-dir"] = prefs.Temp_path
session["incomplete-dir-enabled"] = prefs.Temp_path_enabled
session["lpd-enabled"] = prefs.Lsd
session["pex-enabled"] = prefs.Pex
session["encryption"] = qBTEncryptionToTR(prefs.Encryption)
session["download-queue-size"] = prefs.Max_active_downloads
session["seed-queue-size"] = prefs.Max_active_uploads
session["download-queue-enabled"] = prefs.Queueing_enabled
session["seed-queue-enabled"] = prefs.Queueing_enabled
session["download-dir"] = prefs.Save_path
version := qBTConn.GetVersion()
session["version"] = "2.94 (really qBT " + string(version) + ")"
return session, "success"
}
func FreeSpace(args json.RawMessage) (JsonMap, string) {
req := struct {
Path string
}{}
err := json.Unmarshal(args, &req)
Check(err)
diskUsage := du.NewDiskUsage(req.Path)
freeSpace := diskUsage.Available()
log.WithField("path", req.Path).WithField("free space", freeSpace).Debug("Free space")
return JsonMap{
"path": req.Path,
"size-bytes": freeSpace,
}, "success"
}
func SessionStats() (JsonMap, string) {
session := make(JsonMap)
for key, value := range transmission.SessionStatsTemplate {
session[key] = value
}
torrentList := qBTConn.TorrentsList.AllItems()
paused := 0
active := 0
all := len(torrentList)
timeElapsed := 0
for _, torrent := range torrentList {
if qBTStateToTransmissionStatus(torrent.State) == TR_STATUS_STOPPED {
paused++
} else {
active++
}
}
info := qBTConn.GetTransferInfo()
session["activeTorrentCount"] = active
session["pausedTorrentCount"] = paused
session["torrentCount"] = all
session["downloadSpeed"] = info.Dl_info_speed
session["uploadSpeed"] = info.Up_info_speed
session["current-stats"].(map[string]int64)["downloadedBytes"] = info.Dl_info_data
session["current-stats"].(map[string]int64)["uploadedBytes"] = info.Up_info_data
session["current-stats"].(map[string]int64)["secondsActive"] = int64(timeElapsed)
session["cumulative-stats"] = session["current-stats"]
return session, "success"
}
func TorrentPause(args json.RawMessage) (JsonMap, string) {
torrents := parseActionArgument(args)
log.WithField("hashes", torrents.Hashes()).Debug("Stopping torrents")
qBTConn.PostWithHashes("torrents/pause", torrents)
return JsonMap{}, "success"
}
func TorrentResume(args json.RawMessage) (JsonMap, string) {
torrents := parseActionArgument(args)
log.WithField("hashes", torrents.Hashes()).Debug("Starting torrents")
qBTConn.PostWithHashes("torrents/resume", torrents)
return JsonMap{}, "success"
}
func TorrentRecheck(args json.RawMessage) (JsonMap, string) {
torrents := parseActionArgument(args)
log.WithField("hashes", torrents.Hashes()).Debug("Verifying torrents")
qBTConn.PostWithHashes("torrents/recheck", torrents)
return JsonMap{}, "success"
}
func TorrentDelete(args json.RawMessage) (JsonMap, string) {
var req struct {
Ids json.RawMessage
DeleteLocalData interface{} `json:"delete-local-data"`
}
err := json.Unmarshal(args, &req)
Check(err)
torrents := parseIDsField(&req.Ids)
log.WithField("hashes", torrents.Hashes()).Warn("Going to remove torrents")
joinedHashes := torrents.ConcatenateHashes()
deleteFiles := parseDeleteFilesField(req.DeleteLocalData)
params := map[string]string{"hashes": joinedHashes}
if deleteFiles {
log.Info("Going to remove torrents with files: ", joinedHashes)
params["deleteFiles"] = "true"
} else {
log.Info("Going to remove torrents: ", joinedHashes)
params["deleteFiles"] = "false"
}
url := qBTConn.MakeRequestURLWithParam("torrents/delete", params)
qBTConn.DoGET(url)
return JsonMap{}, "success"
}
func parseDeleteFilesField(deleteLocalData interface{}) bool {
switch val := deleteLocalData.(type) {
case bool:
return val
case float64:
return val != 0
default:
return false // Default value
}
}
func PutMIMEField(mime *multipart.Writer, fieldName string, value string) {
urlsWriter, err := mime.CreateFormField(fieldName)
Check(err)
_, err = urlsWriter.Write([]byte(value))
Check(err)
}
func AdditionalArgumentToString(value argumentValue) string {
switch value {
case ARGUMENT_NOT_SET:
return "" // TODO
case ARGUMENT_TRUE:
return "true"
case ARGUMENT_FALSE:
return "false"
default:
return ""
}
}
func UploadTorrent(metainfo *[]byte, urls *string, req *transmission.TorrentAddRequest, paused bool) {
var buffer bytes.Buffer
mime := multipart.NewWriter(&buffer)
if metainfo != nil {
mimeWriter, err := mime.CreateFormFile("torrents", "example.torrent")
Check(err)
mimeWriter.Write(*metainfo)
}
if urls != nil {
PutMIMEField(mime, "urls", *urls)
}
if req.Download_dir != nil {
extraArgs, strippedLocation, err := parseAdditionalLocationArguments(*req.Download_dir)
Check(err)
log.Debug("Stripped location is ", strippedLocation)
if extraArgs.sequentialDownload != ARGUMENT_NOT_SET {
log.Debug("Sequential download: ", AdditionalArgumentToString(extraArgs.sequentialDownload))
PutMIMEField(mime, "sequentialDownload",
AdditionalArgumentToString(extraArgs.sequentialDownload))
}
if extraArgs.firstLastPiecesFirst != ARGUMENT_NOT_SET {
log.Debug("FirstLastPiecePrio: ", AdditionalArgumentToString(extraArgs.firstLastPiecesFirst))
PutMIMEField(mime, "firstLastPiecePrio",
AdditionalArgumentToString(extraArgs.firstLastPiecesFirst))
}
if extraArgs.skipChecking != ARGUMENT_NOT_SET {
log.Debug("Skip checking: ", AdditionalArgumentToString(extraArgs.skipChecking))
PutMIMEField(mime, "skip_checking",
AdditionalArgumentToString(extraArgs.skipChecking))
}
PutMIMEField(mime, "savepath", strippedLocation)
}
pausedWriter, err := mime.CreateFormField("paused")
Check(err)
if paused {
pausedWriter.Write([]byte("true"))
} else {
pausedWriter.Write([]byte("false"))
}
mime.CreateFormField("cookie")
mime.CreateFormField("label")
mime.Close()
qBTConn.DoPOST(qBTConn.MakeRequestURL("torrents/add"), mime.FormDataContentType(), &buffer)
log.Debug("Torrent uploaded")
}
func ParseMagnetLink(link string) (newHash qBT.Hash, newName string) {
path := strings.TrimPrefix(link, "magnet:?")
params, err := url.ParseQuery(path)
Check(err)
log.WithFields(log.Fields{
"params": params,
}).Debug("Params decoded")
trimmed := strings.TrimPrefix(params["xt"][0], "urn:btih:")
newHash = qBT.Hash(strings.ToLower(trimmed))
name, nameProvided := params["dn"]
if nameProvided {
newName = name[0]
} else {
newName = "Torrent name"
}
return
}
func ParseMetainfo(metainfo []byte) (newHash qBT.Hash, newName string) {
var parsedMetaInfo MetaInfo
parsedMetaInfo.ReadTorrentMetaInfoFile(bytes.NewBuffer(metainfo))
log.WithFields(log.Fields{
"len": len(metainfo),
"sha1": fmt.Sprintf("%x\n", sha1.Sum(metainfo)),
}).Debug("Decoded metainfo")
newHash = qBT.Hash(fmt.Sprintf("%x", parsedMetaInfo.InfoHash))
newName = parsedMetaInfo.Info.Name
return
}
func TorrentAdd(args json.RawMessage) (JsonMap, string) {
var req transmission.TorrentAddRequest
err := json.Unmarshal(args, &req)
Check(err)
qBTConn.UpdateTorrentsList()
var newHash qBT.Hash
var newName string
paused := false
if req.Paused != nil {
if value, ok := (*req.Paused).(float64); ok {
// Workaround: Transmission Remote GUI uses a number instead of a boolean
log.Debug("Apply Transmission Remote GUI workaround")
paused = value != 0
}
if value, ok := (*req.Paused).(bool); ok {
paused = value
}
}
if req.Metainfo != nil {
log.Debug("Upload torrent from metainfo")
metainfo, err := base64.StdEncoding.DecodeString(*req.Metainfo)
Check(err)
newHash, newName = ParseMetainfo(metainfo)
UploadTorrent(&metainfo, nil, &req, paused)
} else if req.Filename != nil {
path := *req.Filename
if strings.HasPrefix(path, "magnet:?") {
newHash, newName = ParseMagnetLink(path)
UploadTorrent(nil, &path, &req, paused)
} else if strings.HasPrefix(path, "http") {
metainfo := DoGetWithCookies(path, req.Cookies)
newHash, newName = ParseMetainfo(metainfo)
UploadTorrent(&metainfo, nil, &req, paused)
}
}
log.WithFields(log.Fields{
"hash": newHash,
"name": newName,
}).Debug("Attempting to add torrent")
if torrent := qBTConn.TorrentsList.ByHash(newHash); torrent != nil {
return JsonMap{
"torrent-duplicate": JsonMap{
"id": torrent.Id,
"name": newName,
"hashString": newHash,
},
}, "success"
}
var torrent *qBT.TorrentInfo
for retries := 0; retries < 100; retries++ {
time.Sleep(50 * time.Millisecond)
qBTConn.UpdateTorrentsList()
torrent = qBTConn.TorrentsList.ByHash(newHash)
if torrent != nil {
log.Debug("Found ID ", torrent.Id)
break
}
log.Debug("Nothing was found, waiting...")
}
if torrent == nil {
return JsonMap{}, "Torrent-add timeout"
}
log.WithFields(log.Fields{
"hash": newHash,
"id": torrent.Id,
"name": newName,
}).Debug("New torrent")
return JsonMap{
"torrent-added": JsonMap{
"id": torrent.Id,
"name": newName,
"hashString": newHash,
},
}, "success"
}
func TorrentSet(args json.RawMessage) (JsonMap, string) {
var req struct {
Ids *json.RawMessage
Files_wanted *[]int `json:"files-wanted"`
Files_unwanted *[]int `json:"files-unwanted"`
}
err := json.Unmarshal(args, &req)
Check(err)
if req.Files_wanted != nil || req.Files_unwanted != nil {
torrents := parseIDsField(req.Ids)
if len(torrents) != 1 {
log.Error("Unsupported torrent-set request")
return JsonMap{}, "Unsupported torrent-set request"
}
torrent := torrents[0]
newFilesPriorities := make(map[int]int)
if req.Files_wanted != nil {
wanted := *req.Files_wanted
for _, fileId := range wanted {
newFilesPriorities[fileId] = 1 // Normal priority
}
}
if req.Files_unwanted != nil {
unwanted := *req.Files_unwanted
for _, fileId := range unwanted {
newFilesPriorities[fileId] = 0 // Do not download
}
}
log.WithFields(log.Fields{
"priorities": newFilesPriorities,
}).Debug("New files priorities")
for fileId, priority := range newFilesPriorities {
params := url.Values{
"hash": {string(torrent.Hash)},
"id": {strconv.Itoa(fileId)},
"priority": {strconv.Itoa(priority)},