forked from Momo707577045/m3u8-downloader
-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.html
1004 lines (927 loc) · 32.5 KB
/
index.html
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
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="author" content="毛静文,Momo">
<meta name="keywords" content="m3u8 下载工具, 毛静文的博客,Momo's Blog">
<meta name="description" content="m3u8 下载工具,无需下载软件,打开网站即可下载,自动检测,一键下载">
<title>m3u8 downloader</title>
<style>
/*全局设置*/
html, body {
margin: 0;
padding: 0;
}
body::-webkit-scrollbar { display: none}
p {
margin: 0;
}
[v-cloak] {
display: none;
}
#m-app {
height: 100%;
width: 100%;
text-align: center;
padding: 10px 50px 80px;
box-sizing: border-box;
}
.m-p-action {
margin: 20px auto;
max-width: 1100px;
width: 100%;
font-size: 35px;
text-align: center;
font-weight: bold;
}
.m-p-other, .m-p-tamper, .m-p-github, .m-p-language {
position: fixed;
right: 50px;
background-color: #eff3f6;
background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
color: #24292e;
border: 1px solid rgba(27, 31, 35, .2);
border-radius: 3px;
cursor: pointer;
display: inline-block;
font-size: 14px;
font-weight: 600;
line-height: 20px;
padding: 6px 12px;
z-index: 99;
}
.m-p-help {
position: fixed;
right: 50px;
top: 50px;
width: 30px;
height: 30px;
color: #666666;
z-index: 2;
line-height: 30px;
font-weight: bolder;
border-radius: 50%;
border: 1px solid rgba(27, 31, 35, .2);
cursor: pointer;
background-color: #eff3f6;
background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
}
.m-p-github:hover, .m-p-other:hover, .m-p-tamper:hover, .m-p-help:hover, .m-p-language:hover {
opacity: 0.9;
}
.m-p-language {
bottom: 70px;
}
.m-p-other {
bottom: 110px;
}
.m-p-tamper {
bottom: 30px;
}
.m-p-github {
bottom: 150px;
}
/*广告*/
.m-p-refer {
position: absolute;
left: 50px;
bottom: 50px;
}
.m-p-refer .text {
position: absolute;
top: -80px;
left: -40px;
animation-name: upAnimation;
transform-origin: center bottom;
animation-duration: 2s;
animation-fill-mode: both;
animation-iteration-count: infinite;
animation-delay: .5s;
}
.m-p-refer .close {
display: block;
position: absolute;
top: -110px;
right: -50px;
padding: 0;
margin: 0;
width: 50px;
height: 50px;
border-radius: 50%;
border: none;
cursor: pointer;
z-index: 3;
transition: 0.3s all;
background-size: 30px 30px;
background-repeat: no-repeat;
background-position: center center;
background-image: url(https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/close.png);
background-color: rgba(0, 0, 0, 0.5);
}
.m-p-refer .close:hover {
background-color: rgba(0, 0, 0, 0.8);
}
.m-p-refer .link {
border-radius: 4px;
text-decoration: none;
background-color: #4E84E6;
transition: 0.3s all;
}
.m-p-refer .link:hover {
top: -10px;
color: #333333;
border: 1px solid transparent;
background: rgba(0, 0, 0, 0.6);
box-shadow: 2px 11px 20px 0 rgba(0, 0, 0, 0.6);
}
@keyframes upAnimation {
0% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
10% {
transform: rotate(-12deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
20% {
transform: rotate(12deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
28% {
transform: rotate(-10deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
36% {
transform: rotate(10deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
42% {
transform: rotate(-8deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
48% {
transform: rotate(8deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
52% {
transform: rotate(-4deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
56% {
transform: rotate(4deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
60% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
100% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
}
/*顶部信息录入*/
.m-p-temp-url {
padding-top: 50px;
padding-bottom: 10px;
width: 100%;
color: #999999;
text-align: left;
font-style: italic;
word-break: break-all;
}
.m-p-input-container {
display: flex;
}
.m-p-input-container input {
flex: 1;
margin-bottom: 20px;
display: block;
width: 280px;
padding: 16px;
font-size: 24px;
border-radius: 4px;
box-shadow: none;
color: #444444;
border: 1px solid #cccccc;
}
.m-p-input-container .range-input {
margin-left: 10px;
flex: 0 0 100px;
width: 100px;
box-sizing: border-box;
}
.m-p-input-container div {
position: relative;
display: inline-block;
margin-left: 10px;
height: 60px;
line-height: 60px;
font-size: 24px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-input-container div:hover {
opacity: 0.9;
}
.m-p-input-container div {
width: 200px;
}
.m-p-input-container .disable {
cursor: not-allowed;
background-color: #dddddd;
}
/*下载状态*/
.m-p-line {
margin: 20px 0 50px;
vertical-align: top;
width: 100%;
height: 5px;
border-bottom: dotted;
}
.m-p-tips {
width: 100%;
color: #999999;
text-align: left;
font-style: italic;
word-break: break-all;
}
.m-p-tips p {
width: 100px;
display: inline-block;
}
.m-p-tips.error-tips{
color: #DC5350;
}
.m-p-segment {
text-align: left;
}
.m-p-segment .item {
display: inline-block;
margin: 10px 6px;
width: 50px;
height: 40px;
color: white;
line-height: 40px;
text-align: center;
border-radius: 4px;
cursor: help;
border: solid 1px #eeeeee;
background-color: #dddddd;
transition: 0.3s all;
}
.m-p-segment .finish {
background-color: #0ACD76;
}
.m-p-segment .error {
cursor: pointer;
background-color: #DC5350;
}
.m-p-segment .error:hover {
opacity: 0.9;
}
.m-p-stream, .m-p-report, .m-p-cross, .m-p-final {
margin-top: 10px;
display: inline-block;
width: 100%;
height: 50px;
line-height: 50px;
font-size: 20px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-stream {
background-color: #0ACD76 !important;
}
.m-p-report {
background-color: #e74c3c !important;
text-decoration: none;
}
.m-p-final {
text-decoration: none;
}
.m-p-force, .m-p-retry {
position: absolute;
right: 50px;
display: inline-block;
padding: 6px 12px;
font-size: 18px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-retry {
right: 250px;
}
.m-p-force:hover, .m-p-retry:hover {
opacity: 0.9;
}
</style>
</head>
<body>
<div id="m-loading">
页面加载中，请耐心等待...
<h1 style="white-space: pre;">
推荐一个 m3u8 网页版提取工具，无需下载软件，打开网站即可下载，自动检测，一键下载。
工具链接：https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html
工具教程：https://segmentfault.com/a/1190000021847172?_ea=32289224
<img src="https://upyun.luckly-mjw.cn/Assets/blog/m3u8-downloader-121-75.jpeg" alt="m3u8 视频下载工具" title="logo"/>
<a target="_blank" href="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html">点击跳转</a>
</h1>
</div>
<section id="m-app" v-cloak>
<!--顶部操作提示-->
<section class="m-p-action g-box">{{tips}}</section>
<a class="m-p-help" target="_blank" href="https://segmentfault.com/a/1190000021847172">?</a>
<a class="m-p-tamper" target="_blank" href="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/m3u8-downloader.user.js">手动添加/更新油猴插件</a>
<a class="m-p-github" target="_blank" href="https://github.com/Momo707577045/m3u8-downloader">github</a>
<a class="m-p-other" target="_blank" href="http://blog.luckly-mjw.cn/tool-show/index.html">其他实用工具</a>
<a class="m-p-language" href="http://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index-en.html">English version</a>
<!--广告-->
<a v-if="isShowRefer" class="m-p-refer" target="_blank" href="https://segmentfault.com/a/1190000024416860">
<img src="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/001.png" class="link">
<img src="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/003.png" class="text">
<i class="close" @click.prevent="isShowRefer=false"></i>
</a>
<!--文件载入-->
<div class="m-p-temp-url">测试链接：http://1257120875.vod2.myqcloud.com/0ef121cdvodtransgzp1257120875/3055695e5285890780828799271/v.f230.m3u8</div>
<section class="m-p-input-container">
<input type="text" v-model="url" :disabled="downloading" placeholder="请输入 m3u8 链接">
<!--范围查询-->
<template v-if="!downloading || rangeDownload.isShowRange">
<div v-if="!rangeDownload.isShowRange" @click="getM3U8(true)">特定范围下载</div>
<template v-else>
<input class="range-input" type="number" v-model="rangeDownload.startSegment" :disabled="downloading" placeholder="起始片段">
<input class="range-input" type="number" v-model="rangeDownload.endSegment" :disabled="downloading" placeholder="截止片段">
</template>
</template>
<!--还未开始下载-->
<template v-if="!downloading">
<div @click="getM3U8(false)">原格式下载</div>
<div @click="getMP4">转码为MP4下载</div>
</template>
<div v-else-if="finishNum === rangeDownload.targetSegment && rangeDownload.targetSegment > 0" class="disable">下载完成</div>
<div v-else @click="togglePause">{{ isPause ? '恢复下载' : '暂停下载' }}</div>
</section>
<div v-if="!downloading && isSupperStreamWrite" class="m-p-stream" @click="streamDownload(false)">特大视频原格式下载，边下载边保存，彻底解决大文件下载内存不足问题 </div>
<div v-if="!downloading && isSupperStreamWrite" class="m-p-stream" @click="streamDownload(true)">特大视频 MP4 格式下载，边下载边保存，彻底解决大文件下载内存不足问题 </div>
<a v-if="!downloading" class="m-p-report" target="_blank" href="https://segmentfault.com/a/1190000021847172">运行出现问题，可点击此按钮留言反馈，作者将第一时间跟进，共同维护本项目</a>
<div class="m-p-cross" @click="copyCode">当无法下载，资源发生跨域限制时，在视频源页面打开控制台，注入代码解决，点击本按钮复制代码</div>
<a class="m-p-final" target="_blank" href="https://segmentfault.com/a/1190000025182822">下载的视频看不了？试试这个终结解决方案「无差别视频提取工具」，有配套「油猴」插件啦！！！</a>
<template v-if="finishList.length > 0">
<div class="m-p-line"></div>
<!-- <div class="m-p-retry" v-if="errorNum && downloadIndex >= rangeDownload.targetSegment" @click="retryAll">重新下载错误片段</div> -->
<div class="m-p-force" v-if="mediaFileList.length && !streamWriter" @click="forceDownload">强制下载现有片段</div>
<div class="m-p-tips">待下载碎片总量：{{ rangeDownload.targetSegment }}，已下载：{{ finishNum }}，错误：{{ errorNum }}，进度：{{ (finishNum / rangeDownload.targetSegment * 100).toFixed(2) }}%</div>
<div class="m-p-tips" :class="[errorNum ? 'error-tips' : '']">若某视频碎片下载发生错误，将标记为红色，可点击相应图标进行重试</div>
<section class="m-p-segment">
<div class="item" v-for="(item, index) in finishList" :class="[item.status]" :title="item.title" @click="retry(index)">{{ index + 1 }}</div>
</section>
</template>
</section>
</body>
<script>
var _hmt = _hmt || [];
(function () {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?1f12b0865d866ae1b93514870d93ce89";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
<!--vue 前端框架-->
<script src="https://upyun.luckly-mjw.cn/lib/vue.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/aes-decryptor.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/mux-mp4.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/stream-saver.js"></script>
<script>
// script注入
document.getElementById('m-loading') && document.getElementById('m-loading').remove()
new Vue({
el: '#m-app',
data() {
return {
url: '', // 在线链接
tips: 'm3u8 视频在线提取工具', // 顶部提示
title: '', // 视频标题
isPause: false, // 是否暂停下载
isGetMP4: false, // 是否转码为 MP4 下载
durationSecond: 0, // 视频持续时长
isShowRefer: false, // 是否显示推送
downloading: false, // 是否下载中
beginTime: '', // 开始下载的时间
errorNum: 0, // 错误数
finishNum: 0, // 已下载数
downloadIndex: 0, // 当前下载片段
finishList: [], // 下载完成项目
tsUrlList: [], // ts URL数组
mediaFileList: [], // 下载的媒体数组
isSupperStreamWrite: window.streamSaver && !window.streamSaver.useBlobFallback, // 当前浏览器是否支持流式下载
streamWriter: null, // 文件流写入器
streamDownloadIndex: 0, // 文件流写入器，正准备写入第几个视频片段
rangeDownload: { // 特定范围下载
isShowRange: false, // 是否显示范围下载
startSegment: '', // 起始片段
endSegment: '', // 截止片段
targetSegment: 1, // 待下载片段
},
aesConf: { // AES 视频解密配置
method: '', // 加密算法
uri: '', // key 所在文件路径
iv: '', // 偏移值
key: '', // 秘钥
decryptor: null, // 解码器对象
stringToBuffer: function (str) {
return new TextEncoder().encode(str)
},
},
}
},
created() {
this.getTitle();
this.getSource();
window.addEventListener('keyup', this.onKeyup)
setInterval(this.retryAll.bind(this), 2000) // 每两秒重新下载一遍错误片段，实现错误自动重试
},
beforeDestroy() {
window.removeEventListener('keyup', this.onKeyup)
},
methods: {
// 获取链接中携带的资源链接
getSource() {
let { href } = location
if (href.indexOf('?source=') > -1) {
this.url = href.split('?source=')[1]
}
},
// 获取视频标题
getTitle(){
let { href } = location
const currentUrl = new URL(location.href)
const title = currentUrl.searchParams.get('title')
if(title) {
this.title = title
}
},
// 获取顶部 window title，因可能存在跨域问题，故使用 try catch 进行保护
getDocumentTitle(){
let title = document.title;
try {
title = window.top.document.title
} catch (error) {
console.log(error)
}
return title
},
// 退出弹窗
onKeyup(event) {
if (event.keyCode === 13) { // 键入ESC
this.getM3U8()
}
},
// ajax 请求
ajax(options) {
options = options || {};
let xhr = new XMLHttpRequest();
if (options.type === 'file') {
xhr.responseType = 'arraybuffer';
}
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
let status = xhr.status;
if (status >= 200 && status < 300) {
options.success && options.success(xhr.response);
} else {
options.fail && options.fail(status);
}
}
};
xhr.open("GET", options.url, true);
xhr.send(null);
},
// 合成URL
applyURL(targetURL, baseURL) {
baseURL = baseURL || location.href
if (targetURL.indexOf('http') === 0) {
// 当前页面使用 https 协议时，强制使 ts 资源也使用 https 协议获取
if(location.href.indexOf('https') === 0){
return targetURL.replace('http://','https://')
}
return targetURL
} else if (targetURL[0] === '/') {
let domain = baseURL.split('/')
return domain[0] + '//' + domain[2] + targetURL
} else {
let domain = baseURL.split('/')
domain.pop()
return domain.join('/') + '/' + targetURL
}
},
// 使用流式下载，边下载边保存，解决大视频文件内存不足的难题
streamDownload(isMp4){
this.isGetMP4 = isMp4
let fileName = this.title || this.formatTime(new Date(), 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.streamWriter = window.streamSaver.createWriteStream(`${fileName}.${isMp4 ? 'mp4' : 'ts'}`).getWriter()
this.getM3U8()
},
// 解析为 mp4 下载
getMP4() {
this.isGetMP4 = true
this.getM3U8()
},
// 获取在线文件
getM3U8(onlyGetRange) {
if (!this.url) {
alert('请输入链接')
return
}
if (this.url.toLowerCase().indexOf('.m3u8') === -1) {
alert('链接有误，请重新输入')
return
}
if (this.downloading) {
alert('资源下载中，请稍后')
return
}
// 在下载页面才触发，代码注入的页面不需要校验
// 当前协议不一致，切换协议
if (location.href.indexOf('blog.luckly-mjw.cn') > -1 && this.url.indexOf(location.protocol) === -1) {
//alert('当前协议不一致，跳转至正确页面重新下载')
location.href = `${this.url.split(':')[0]}://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html?source=${this.url}`
return
}
// 在下载页面才触发，修改页面 URL，携带下载路径，避免刷新后丢失
if (location.href.indexOf('blog.luckly-mjw.cn') > -1) {
window.history.replaceState(null, '', `${location.href.split('?')[0]}?source=${this.url}`)
}
this.tips = 'm3u8 文件下载中，请稍后'
this.beginTime = new Date()
this.ajax({
url: this.url,
success: (m3u8Str) => {
this.tsUrlList = []
this.finishList = []
// 提取 ts 视频片段地址
m3u8Str.split('\n').forEach((item) => {
if (item.toLowerCase().indexOf('.ts') > -1 || item.toLowerCase().indexOf('.image') > -1) {
this.tsUrlList.push(this.applyURL(item, this.url))
this.finishList.push({
title: item,
status: ''
})
}
})
// 仅获取视频片段数
if (onlyGetRange) {
this.rangeDownload.isShowRange = true
this.rangeDownload.endSegment = this.tsUrlList.length
this.rangeDownload.targetSegment = this.tsUrlList.length
return
} else {
let startSegment = Math.max(this.rangeDownload.startSegment || 1, 1) // 最小为 1
let endSegment = Math.max(this.rangeDownload.endSegment || this.tsUrlList.length, 1)
startSegment = Math.min(startSegment, this.tsUrlList.length) // 最大为 this.tsUrlList.length
endSegment = Math.min(endSegment, this.tsUrlList.length)
this.rangeDownload.startSegment = Math.min(startSegment, endSegment)
this.rangeDownload.endSegment = Math.max(startSegment, endSegment)
this.rangeDownload.targetSegment = this.rangeDownload.endSegment - this.rangeDownload.startSegment + 1
this.downloadIndex = this.rangeDownload.startSegment - 1
this.downloading = true
}
// 获取需要下载的 MP4 视频长度
if (this.isGetMP4) {
let infoIndex = 0
m3u8Str.split('\n').forEach(item => {
if (item.toUpperCase().indexOf('#EXTINF:') > -1) { // 计算视频总时长，设置 mp4 信息时使用
infoIndex++
if (this.rangeDownload.startSegment <= infoIndex && infoIndex <= this.rangeDownload.endSegment) {
this.durationSecond += parseFloat(item.split('#EXTINF:')[1])
}
}
})
}
// 检测视频 AES 加密
if (m3u8Str.indexOf('#EXT-X-KEY') > -1) {
this.aesConf.method = (m3u8Str.match(/(.*METHOD=([^,\s]+))/) || ['', '', ''])[2]
this.aesConf.uri = (m3u8Str.match(/(.*URI="([^"]+))"/) || ['', '', ''])[2]
this.aesConf.iv = (m3u8Str.match(/(.*IV=([^,\s]+))/) || ['', '', ''])[2]
this.aesConf.iv = this.aesConf.iv ? this.aesConf.stringToBuffer(this.aesConf.iv) : ''
this.aesConf.uri = this.applyURL(this.aesConf.uri, this.url)
// let params = m3u8Str.match(/#EXT-X-KEY:([^,]*,?METHOD=([^,]+))?([^,]*,?URI="([^,]+)")?([^,]*,?IV=([^,^\n]+))?/)
// this.aesConf.method = params[2]
// this.aesConf.uri = this.applyURL(params[4], this.url)
// this.aesConf.iv = params[6] ? this.aesConf.stringToBuffer(params[6]) : ''
this.getAES();
} else if (this.tsUrlList.length > 0) { // 如果视频没加密，则直接下载片段，否则先下载秘钥
this.downloadTS()
} else {
this.alertError('资源为空，请查看链接是否有效')
}
},
fail: () => {
this.alertError('链接不正确，请查看链接是否有效')
}
})
},
// 获取AES配置
getAES() {
alert('视频被 AES 加密，点击确认，进行视频解码')
this.ajax({
type: 'file',
url: this.aesConf.uri,
success: (key) => {
// console.log('getAES', key)
// this.aesConf.key = this.aesConf.stringToBuffer(key)
this.aesConf.key = key
this.aesConf.decryptor = new AESDecryptor()
this.aesConf.decryptor.constructor()
this.aesConf.decryptor.expandKey(this.aesConf.key);
this.downloadTS()
},
fail: () => {
this.alertError('视频已进行定制化加密，不提供定制化解密下载')
}
})
},
// ts 片段的 AES 解码
aesDecrypt(data, index) {
let iv = this.aesConf.iv || new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, index])
return this.aesConf.decryptor.decrypt(data, 0, iv.buffer || iv, true)
},
// 下载分片
downloadTS() {
this.tips = 'ts 视频碎片下载中，请稍后'
let download = () => {
let isPause = this.isPause // 使用另一个变量来保持下载前的暂停状态，避免回调后没修改
let index = this.downloadIndex
if (index >= this.rangeDownload.endSegment) {
return
}
this.downloadIndex++
if (this.finishList[index] && this.finishList[index].status === '') {
this.ajax({
url: this.tsUrlList[index],
type: 'file',
success: (file) => {
this.dealTS(file, index, () => this.downloadIndex < this.rangeDownload.endSegment && !isPause && download())
},
fail: () => {
this.errorNum++
this.finishList[index].status = 'error'
if (this.downloadIndex < this.rangeDownload.endSegment) {
!isPause && download()
}
}
})
} else if (this.downloadIndex < this.rangeDownload.endSegment) { // 跳过已经成功的片段
!isPause && download()
}
}
// 建立多少个 ajax 线程
for (let i = 0; i < Math.min(6, this.rangeDownload.targetSegment - this.finishNum); i++) {
download()
}
},
// 处理 ts 片段，AES 解密、mp4 转码
dealTS(file, index, callback) {
const data = this.aesConf.uri ? this.aesDecrypt(file, index) : file
this.conversionMp4(data, index, (afterData) => { // mp4 转码
this.mediaFileList[index - this.rangeDownload.startSegment + 1] = afterData // 判断文件是否需要解密
this.finishList[index].status = 'finish'
this.finishNum++
if (this.streamWriter){
for (let index = this.streamDownloadIndex; index < this.mediaFileList.length; index++) {
if(this.mediaFileList[index]){
this.streamWriter.write(new Uint8Array(this.mediaFileList[index]))
this.mediaFileList[index] = null
this.streamDownloadIndex = index + 1
} else {
break
}
}
if (this.streamDownloadIndex >= this.rangeDownload.targetSegment){
this.streamWriter.close()
}
} else if (this.finishNum === this.rangeDownload.targetSegment) {
let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.downloadFile(this.mediaFileList, fileName)
}
callback && callback()
})
},
// 转码为 mp4
conversionMp4(data, index, callback) {
if (this.isGetMP4) {
let transmuxer = new muxjs.Transmuxer({
keepOriginalTimestamps: true,
duration: parseInt(this.durationSecond),
});
transmuxer.on('data', segment => {
if (index === this.rangeDownload.startSegment - 1) {
let data = new Uint8Array(segment.initSegment.byteLength + segment.data.byteLength);
data.set(segment.initSegment, 0);
data.set(segment.data, segment.initSegment.byteLength);
callback(data.buffer)
} else {
callback(segment.data)
}
})
transmuxer.push(new Uint8Array(data));
transmuxer.flush();
} else {
callback(data)
}
},
// 暂停与恢复
togglePause() {
this.isPause = !this.isPause
!this.isPause && this.retryAll(true)
},
// 重新下载某个片段
retry(index) {
if (this.finishList[index].status === 'error') {
this.finishList[index].status = ''
this.ajax({
url: this.tsUrlList[index],
type: 'file',
success: (file) => {
this.errorNum--
this.dealTS(file, index)
},
fail: () => {
this.finishList[index].status = 'error'
}
})
}
},
// 重新下载所有错误片段
retryAll(forceRestart) {
if (!this.finishList.length || this.isPause) {
return
}
let firstErrorIndex = this.downloadIndex // 没有错误项目，则每次都递增
this.finishList.forEach((item, index) => { // 重置所有片段状态
if (item.status === 'error') {
item.status = ''
firstErrorIndex = Math.min(firstErrorIndex, index)
}
})
this.errorNum = 0
// 已经全部下载进程都跑完了，则重新启动下载进程
if (this.downloadIndex >= this.rangeDownload.endSegment || forceRestart) {
this.downloadIndex = firstErrorIndex
this.downloadTS()
} else { // 否则只是将下载索引，改为最近一个错误的项目，从那里开始遍历
this.downloadIndex = firstErrorIndex
}
},
// 下载整合后的TS文件
downloadFile(fileDataList, fileName) {
this.tips = 'ts 碎片整合中，请留意浏览器下载'
let fileBlob = null
let a = document.createElement('a')
if (this.isGetMP4) {
fileBlob = new Blob(fileDataList, { type: 'video/mp4' }) // 创建一个Blob对象，并设置文件的 MIME 类型
a.download = fileName + '.mp4'
} else {
fileBlob = new Blob(fileDataList, { type: 'video/MP2T' }) // 创建一个Blob对象，并设置文件的 MIME 类型
a.download = fileName + '.ts'
}
a.href = URL.createObjectURL(fileBlob)
a.style.display = 'none'
document.body.appendChild(a)
a.click()
a.remove()
},
// 格式化时间
formatTime(date, formatStr) {
const formatType = {
Y: date.getFullYear(),
M: date.getMonth() + 1,
D: date.getDate(),
h: date.getHours(),
m: date.getMinutes(),
s: date.getSeconds(),
}
return formatStr.replace(
/Y+|M+|D+|h+|m+|s+/g,
target => (new Array(target.length).join('0') + formatType[target[0]]).substr(-target.length)
)
},
// 强制下载现有片段
forceDownload() {
if (this.mediaFileList.length) {
let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.downloadFile(this.mediaFileList, fileName)
} else {
alert('当前无已下载片段')
}
},
// 发生错误，进行提示
alertError(tips) {
alert(tips)
this.downloading = false
this.tips = 'm3u8 视频在线提取工具';
},
// 拷贝本页面本身，解决跨域问题
copyCode() {
if (this.tips !== '代码下载中，请稍后') {
this.tips = '代码下载中，请稍后';
this.ajax({
url: './index.html',
success: (fileStr) => {
let fileList = fileStr.split(`<!--vue 前端框架--\>`);
let dom = fileList[0];
let script = fileList[1] + fileList[2];
script = script.split('// script注入');
script = script[1] + script[2];
if (this.url) {
script = script.replace(`url: '', // 在线链接`, `url: '${this.url}',`);
}
let codeStr = `
// 注入html
let $section = document.createElement('section')
$section.innerHTML = \`${dom}\`
$section.style.width = '100%'
$section.style.height = '800px'
$section.style.top = '0'
$section.style.left = '0'
$section.style.position = 'relative'
$section.style.zIndex = '9999'
$section.style.backgroundColor = 'white'
document.body.appendChild($section);
// 加载 ASE 解密
let $ase = document.createElement('script')
$ase.src = 'https://upyun.luckly-mjw.cn/lib/aes-decryptor.js'
// 加载 mp4 转码
let $mp4 = document.createElement('script')
$mp4.src = 'https://upyun.luckly-mjw.cn/lib/mux-mp4.js'
// 加载 vue
let $vue = document.createElement('script')
$vue.src = 'https://upyun.luckly-mjw.cn/lib/vue.js'
// 加载 stream 流式下载器
let $streamSaver = document.createElement('script')
$streamSaver.src = 'https://upyun.luckly-mjw.cn/lib/stream-saver.js'
// 监听 vue 加载完成，执行业务代码
$vue.addEventListener('load', () => {${script}})
document.body.appendChild($mp4);
document.body.appendChild($ase);
document.body.appendChild($streamSaver);
document.body.appendChild($vue);
alert('注入成功，请滚动到页面底部，若白屏则等待资源加载')
`;
this.copyToClipboard(codeStr);
this.tips = '复制成功，打开视频网页控制台，注入本代码';
},
fail: () => {
this.alertError('链接不正确，请查看链接是否有效');
},
})
}
},
// 拷贝剪切板
copyToClipboard(content) {
clearTimeout(this.timeouter)
if (!document.queryCommandSupported('copy')) {
return false
}
let $input = document.createElement('textarea')
$input.style.opacity = '0'
$input.value = content
document.body.appendChild($input)
$input.select()
const result = document.execCommand('copy')
document.body.removeChild($input)
$input = null
return result
},
}
})