forked from awslabs/aws-js-s3-explorer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.html
737 lines (644 loc) · 31.2 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
<!DOCTYPE html>
<!--
Copyright 2014-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License").
You may not use this file except in compliance with the License. A copy
of the License is located at
https://aws.amazon.com/apache2.0/
or in the "license" file accompanying this file. This file is distributed
on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied. See the License for the specific language governing
permissions and limitations under the License.
-->
<html lang="en">
<head>
<title>AWS S3 Explorer</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="shortcut icon" href="https://aws.amazon.com/favicon.ico">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css" integrity="sha384-PmY9l28YgO4JwMKbTvgaS7XNZJ30MK9FAZjjzXtlqyZCqBY6X6bXIkM++IkyinN+" crossorigin="anonymous">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap-theme.min.css" integrity="sha384-jzngWsPS6op3fgRCDTESqrEJwRKck+CILhJVO5VvaAZCq8JYf8HsR/HPpBOOPZfR" crossorigin="anonymous">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.0/css/all.css">
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.19/css/dataTables.bootstrap.min.css">
<style type="text/css">
#wrapper {
padding-left: 0;
}
#page-wrapper {
width: 100%;
padding: 5px 15px;
}
#tb-s3objects {
width: 100% !Important;
}
a {
color: #00B7FF;
}
body {
font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}
td {
font: 12px "Lucida Grande", Helvetica, Arial, sans-serif;
}
.title {
padding: 6px 12px;
}
.breadcrumb {
margin-bottom: 0;
}
#navbuttons .btn {
padding: 3px 6px;
}
</style>
</head>
<!-- DEBUG: Enable this for red outline on all elements -->
<!-- <style media="screen" type="text/css"> * { outline: 1px red solid; } </style> -->
<body>
<div id="page-wrapper">
<div class="row">
<div class="col-lg-12">
<div class="panel panel-primary">
<!-- Panel including title, breadcrumbs, and controls -->
<div class="panel-heading clearfix">
<!-- Title and breadcrumbs -->
<div class="btn-group pull-left">
<!-- App title -->
<div class="title pull-left">
AWS S3 Explorer
</div>
<!-- Bucket breadcrumbs -->
<div class="pull-right">
<ul id="breadcrumb" class="breadcrumb pull-right">
<li class="active">
<a href="#"><bucket></a>
</li>
</ul>
</div>
</div>
<!-- Controls -->
<div id="navbuttons" class="pull-right">
<div>
<!-- Hide folders checkbox -->
<div class="btn-group">
<label class="btn">
<input type="checkbox" id="hidefolders"> Hide folders?
</label>
</div>
<!-- Folder/Bucket radio group -->
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary active" title="View all objects in folder">
<i class="fa fa-angle-double-up"></i>
<input type="radio" name="optionsdepth" value="folder" id="optionfolder" checked> Folder
</label>
<label class="btn btn-primary" title="View all objects in bucket">
<i class="fa fa-angle-double-down"></i>
<input type="radio" name="optionsdepth" value="bucket" id="optionbucket"> Bucket
</label>
</div>
<!-- Bucket selection -->
<div class="btn-group" id="bucket">
<i id="bucket-chooser" style="cursor: pointer;" class="btn fa fa-cog fa-2x" title="Switch to a different S3 Bucket"></i>
</div>
<!-- Dual purpose: progress spinner and refresh button, plus object count -->
<div class="btn-group" id="refresh">
<span id="bucket-loader" style="cursor: pointer;" class="btn fa fa-refresh fa-2x pull-left" title="Refresh"></span>
<span id="badgecount" class="badge pull-right" title="Object count">42</span>
</div>
</div>
</div>
</div>
<!-- Panel including S3 object table -->
<div class="panel-body">
<table class="table table-bordered table-hover table-striped" id="tb-s3objects">
<thead>
<tr>
<th>Object</th>
<th>Folder</th>
<th>Last Modified</th>
<th>Timestamp</th>
<th>Size</th>
</tr>
</thead>
<tbody id="tbody-s3objects"></tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js" integrity="sha384-vhJnz1OVIdLktyixHY4Uk3OHEwdQqPppqYR8+5mjsauETgLOcEynD9oPHhhz18Nw" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootbox.js/4.4.0/bootbox.min.js"></script>
<script src="https://sdk.amazonaws.com/js/aws-sdk-2.207.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js"></script>
<script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.19/js/dataTables.bootstrap.min.js"></script>
<script type="text/javascript">
var HIDE_INDEX = true;
var s3exp_config = {
Region: '',
Bucket: '',
Prefix: '',
Delimiter: '/'
};
var s3exp_lister = null;
var s3exp_columns = {
key: 1,
folder: 2,
date: 3,
size: 4
};
AWS.config.region = 'us-east-1';
console.log('Region: ' + AWS.config.region);
// Initialize S3 SDK and the moment library (for time formatting utilities)
var s3 = new AWS.S3();
moment().format();
function bytesToSize(bytes) {
var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
if (bytes === 0) return '0 Bytes';
var ii = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
return Math.round(bytes / Math.pow(1024, ii), 2) + ' ' + sizes[ii];
}
// Custom startsWith function for String prototype
if (typeof String.prototype.startsWith != 'function') {
String.prototype.startsWith = function(str) {
return this.indexOf(str) == 0;
};
}
// Custom endsWith function for String prototype
if (typeof String.prototype.endsWith != 'function') {
String.prototype.endsWith = function(str) {
return this.slice(-str.length) == str;
};
}
function object2hrefvirt(bucket, key) {
var enckey = key.split('/').map(function(x) { return encodeURIComponent(x); }).join('/');
if (AWS.config.region === "us-east-1") {
return document.location.protocol + '//' + bucket + '.s3.amazonaws.com/' + enckey;
} else {
return document.location.protocol + '//' + bucket + '.s3-' + AWS.config.region + '.amazonaws.com/' + enckey;
}
}
function object2hrefpath(bucket, key) {
var enckey = key.split('/').map(function(x) { return encodeURIComponent(x); }).join('/');
if (AWS.config.region === "us-east-1") {
return document.location.protocol + "//s3.amazonaws.com/" + bucket + "/" + enckey;
} else {
return document.location.protocol + "//s3-' + AWS.config.region + '.amazonaws.com/" + bucket + "/" + enckey;
}
}
function isthisdocument(bucket, key) {
return key === "index.html";
}
function isfolder(path) {
return path.endsWith('/');
}
// Convert cars/vw/golf.png to golf.png
function fullpath2filename(path) {
return path.replace(/^.*[\\\/]/, '');
}
// Convert cars/vw/golf.png to cars/vw
function fullpath2pathname(path) {
return path.substring(0, path.lastIndexOf('/'));
}
// Convert cars/vw/ to vw/
function prefix2folder(prefix) {
var parts = prefix.split('/');
return parts[parts.length - 2] + '/';
}
// Remove hash from document URL
function removeHash() {
history.pushState("", document.title, window.location.pathname + window.location.search);
}
// We are going to generate bucket/folder breadcrumbs. The resulting HTML will
// look something like this:
//
// <li>Home</li>
// <li>Library</li>
// <li class="active">Samples</li>
//
// Note: this code is a little complex right now so it would be good to find
// a simpler way to create the breadcrumbs.
function folder2breadcrumbs(data) {
console.log('Bucket: ' + data.params.Bucket);
console.log('Prefix: ' + data.params.Prefix);
if (data.params.Prefix && data.params.Prefix.length > 0) {
console.log('Set hash: ' + data.params.Prefix);
window.location.hash = data.params.Prefix;
} else {
console.log('Remove hash');
removeHash();
}
// The parts array will contain the bucket name followed by all the
// segments of the prefix, exploded out as separate strings.
var parts = [data.params.Bucket];
if (data.params.Prefix) {
parts.push.apply(parts,
data.params.Prefix.endsWith('/') ?
data.params.Prefix.slice(0, -1).split('/') :
data.params.Prefix.split('/'));
}
console.log('Parts: ' + parts + ' (length=' + parts.length + ')');
// Empty the current breadcrumb list
$('#breadcrumb li').remove();
// Now build the new breadcrumb list
var buildprefix = '';
$.each(parts, function(ii, part) {
var ipart;
// Add the bucket (the bucket is always first)
if (ii === 0) {
var a1 = $('<a>').attr('href', '#').text(part);
ipart = $('<li>').append(a1);
a1.click(function(e) {
e.preventDefault();
console.log('Breadcrumb click bucket: ' + data.params.Bucket);
s3exp_config = {
Bucket: data.params.Bucket,
Prefix: '',
Delimiter: data.params.Delimiter
};
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
});
// Else add the folders within the bucket
} else {
buildprefix += part + '/';
if (ii == parts.length - 1) {
ipart = $('<li>').addClass('active').text(part);
} else {
var a2 = $('<a>').attr('href', '#').append(part);
ipart = $('<li>').append(a2);
// Closure needed to enclose the saved S3 prefix
(function() {
var saveprefix = buildprefix;
// console.log('Part: ' + part + ' has buildprefix: ' + saveprefix);
a2.click(function(e) {
e.preventDefault();
console.log('Breadcrumb click object prefix: ' + saveprefix);
s3exp_config = {
Bucket: data.params.Bucket,
Prefix: saveprefix,
Delimiter: data.params.Delimiter
};
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
});
})();
}
}
$('#breadcrumb').append(ipart);
});
}
function s3draw(data, complete) {
$('li.li-bucket').remove();
folder2breadcrumbs(data);
// Add each part of current path (S3 bucket plus folder hierarchy) into the breadcrumbs
$.each(data.CommonPrefixes, function(i, prefix) {
$('#tb-s3objects').DataTable().rows.add([{
Key: prefix.Prefix
}]);
});
// Add S3 objects to DataTable
$('#tb-s3objects').DataTable().rows.add(data.Contents).draw();
}
function s3list(config, completecb) {
console.log('s3list config: ' + JSON.stringify(config));
var params = {
Bucket: config.Bucket,
Prefix: config.Prefix,
Delimiter: config.Delimiter
};
var scope = {
Contents: [],
CommonPrefixes: [],
params: params,
stop: false,
completecb: completecb
};
return {
// This is the callback that the S3 API makes when an S3 listObjectsV2
// request completes (successfully or in error). Note that a single call
// to listObjectsV2 may not be enough to get all objects so we need to
// check if the returned data is truncated and, if so, make additional
// requests with a 'next marker' until we have all the objects.
cb: function(err, data) {
if (err) {
console.log('Error: ' + JSON.stringify(err));
console.log('Error: ' + err.stack);
scope.stop = true;
$('#bucket-loader').removeClass('fa-spin');
bootbox.alert("Error accessing S3 bucket " + scope.params.Bucket + ". Error: " + err);
} else {
// console.log('Data: ' + JSON.stringify(data));
console.log("Options: " + $("input[name='optionsdepth']:checked").val());
// Store marker before filtering data
if (data.IsTruncated) {
if (data.NextContinuationToken) {
scope.params.ContinuationToken = data.NextContinuationToken;
}
}
// Filter the folders out of the listed S3 objects
// (could probably be done more efficiently)
console.log("Filter: remove folders");
data.Contents = data.Contents.filter(function(el) {
return el.Key !== scope.params.Prefix;
});
// Optionally, filter the root index.html out of the listed S3 objects
if (HIDE_INDEX) {
console.log("Filter: remove index.html");
data.Contents = data.Contents.filter(function(el) {
return el.Key !== "index.html";
});
}
// Accumulate the S3 objects and common prefixes
scope.Contents.push.apply(scope.Contents, data.Contents);
scope.CommonPrefixes.push.apply(scope.CommonPrefixes, data.CommonPrefixes);
// Update badge count to show number of objects read
$('#badgecount').text(scope.Contents.length + scope.CommonPrefixes.length);
if (scope.stop) {
console.log('Bucket ' + scope.params.Bucket + ' stopped');
} else if (data.IsTruncated) {
console.log('Bucket ' + scope.params.Bucket + ' truncated');
s3.makeUnauthenticatedRequest('listObjectsV2', scope.params, scope.cb);
} else {
console.log('Bucket ' + scope.params.Bucket + ' has ' + scope.Contents.length + ' objects, including ' + scope.CommonPrefixes.length + ' prefixes');
delete scope.params.ContinuationToken;
if (scope.completecb) {
scope.completecb(scope, true);
}
$('#bucket-loader').removeClass('fa-spin');
}
}
},
// Start the spinner, clear the table, make an S3 listObjectsV2 request
go: function() {
scope.cb = this.cb;
$('#bucket-loader').addClass('fa-spin');
$('#tb-s3objects').DataTable().clear();
s3.makeUnauthenticatedRequest('listObjectsV2', scope.params, this.cb);
},
stop: function() {
scope.stop = true;
delete scope.params.ContinuationToken;
if (scope.completecb) {
scope.completecb(scope, false);
}
$('#bucket-loader').removeClass('fa-spin');
}
};
}
function promptForBucketInput() {
bootbox.prompt("Please enter the S3 bucket name", function(result) {
if (result !== null) {
resetDepth();
s3exp_config = {
Bucket: result,
Delimiter: '/'
};
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
}
});
}
function resetDepth() {
$('#tb-s3objects').DataTable().column(1).visible(false);
$('input[name="optionsdepth"]').val(['folder']);
$('input[name="optionsdepth"][value="bucket"]').parent().removeClass('active');
$('input[name="optionsdepth"][value="folder"]').parent().addClass('active');
}
$(document).ready(function() {
console.log('ready');
// Click handler for refresh button (to invoke manual refresh)
$('#bucket-loader').click(function(e) {
if ($('#bucket-loader').hasClass('fa-spin')) {
// To do: We need to stop the S3 list that's going on
// bootbox.alert("Stop is not yet supported.");
s3exp_lister.stop();
} else {
delete s3exp_config.ContinuationToken;
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
}
});
// Click handler for bucket button (to allow user to change bucket)
$('#bucket-chooser').click(function(e) {
promptForBucketInput();
});
$('#hidefolders').click(function(e) {
$('#tb-s3objects').DataTable().draw();
});
// Folder/Bucket radio button handler
$("input:radio[name='optionsdepth']").change(function() {
console.log("Folder/Bucket option change to " + $(this).val());
console.log("Change options: " + $("input[name='optionsdepth']:checked").val());
// If user selected deep then we do need to do a full list
if ($(this).val() == 'bucket') {
console.log("Switch to bucket");
var choice = $(this).val();
$('#tb-s3objects').DataTable().column(1).visible(choice === 'bucket');
delete s3exp_config.ContinuationToken;
delete s3exp_config.Prefix;
s3exp_config.Delimiter = '';
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
// Else user selected folder then can do a delimiter list
} else {
console.log("Switch to folder");
$('#tb-s3objects').DataTable().column(1).visible(false);
delete s3exp_config.ContinuationToken;
delete s3exp_config.Prefix;
s3exp_config.Delimiter = '/';
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
}
});
function renderObject(data, type, full) {
if (isthisdocument(s3exp_config.Bucket, data)) {
console.log("is this document: " + data);
return fullpath2filename(data);
} else if (isfolder(data)) {
console.log("is folder: " + data);
return '<a data-s3="folder" data-prefix="' + data + '" href="' + object2hrefvirt(s3exp_config.Bucket, data) + '">' + prefix2folder(data) + '</a>';
} else {
console.log("not folder/this document: " + data);
return '<a data-s3="object" href="' + object2hrefvirt(s3exp_config.Bucket, data) + '"download="' + fullpath2filename(data) + '">' + fullpath2filename(data) + '</a>';
}
}
function renderFolder(data, type, full) {
return isfolder(data) ? "" : fullpath2pathname(data);
}
// Initial DataTable settings
$('#tb-s3objects').DataTable({
iDisplayLength: 50,
order: [
[1, 'asc'],
[0, 'asc']
],
aoColumnDefs: [{
"aTargets": [0],
"mData": "Key",
"mRender": function(data, type, full) {
return (type == 'display') ? renderObject(data, type, full) : data;
},
"sType": "key"
}, {
"aTargets": [1],
"mData": "Key",
"mRender": function(data, type, full) {
return renderFolder(data, type, full);
}
}, {
"aTargets": [2],
"mData": "LastModified",
"mRender": function(data, type, full) {
return data ? moment(data).fromNow() : "";
}
}, {
"aTargets": [3],
"mData": "LastModified",
"mRender": function(data, type, full) {
return data ? moment(data).local().format('YYYY-MM-DD HH:mm:ss') : "";
}
}, {
"aTargets": [4],
"mData": function(source, type, val) {
return source.Size ? ((type == 'display') ? bytesToSize(source.Size) : source.Size) : "";
}
}, ]
});
$('#tb-s3objects').DataTable().column(s3exp_columns.key).visible(false);
console.log("jQuery version=" + $.fn.jquery);
// Custom sort for the Key column so that folders appear before objects
$.fn.dataTableExt.oSort['key-asc'] = function(a, b) {
var x = (isfolder(a) ? "0-" + a : "1-" + a).toLowerCase();
var y = (isfolder(b) ? "0-" + b : "1-" + b).toLowerCase();
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
};
$.fn.dataTableExt.oSort['key-desc'] = function(a, b) {
var x = (isfolder(a) ? "1-" + a : "0-" + a).toLowerCase();
var y = (isfolder(b) ? "1-" + b : "0-" + b).toLowerCase();
return ((x < y) ? 1 : ((x > y) ? -1 : 0));
};
// Allow user to hide folders
$.fn.dataTableExt.afnFiltering.push(function(oSettings, aData, iDataIndex) {
console.log("hide folders");
return $('#hidefolders').is(':checked') ? !isfolder(aData[0]) : true;
});
// Delegated event handler for S3 object/folder clicks. This is delegated
// because the object/folder rows are added dynamically and we do not want
// to have to assign click handlers to each and every row.
$('#tb-s3objects').on('click', 'a', function(event) {
event.preventDefault();
var target = event.target;
console.log("target href=" + target.href);
console.log("target dataset=" + JSON.stringify(target.dataset));
// If the user has clicked on a folder then navigate into that folder
if (target.dataset.s3 === "folder") {
resetDepth();
delete s3exp_config.ContinuationToken;
s3exp_config.Prefix = target.dataset.prefix;
s3exp_config.Delimiter = $("input[name='optionsdepth']:checked").val() == "folder" ? "/" : "";
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
// Else user has clicked on an object so download it in new window/tab
} else {
window.open(target.href, '_blank');
}
return false;
});
// Document URL typically looks like this for path-style URLs:
// - https://s3.amazonaws.com/mybucket1/index.html
// - https://s3-us-west-2.amazonaws.com/mybucket2/index.html
//
// Document URL typically looks like this for virtual-hosted-style URLs:
// - https://mybucket1.s3.amazonaws.com/index.html
// - https://mybucket2.s3-us-west-2.amazonaws.com/index.html
//
// Document URL typically looks like this for S3 website hosting:
// - http://mybucket3.s3-website-us-east-1.amazonaws.com/
// - http://mybucket4.s3-website.eu-central-1.amazonaws.com/
// TODO: need to support S3 website hosting option
//
// If we're launched from a bucket then let's try to determine the bucket
// name so we can query it immediately, without requiring the user to
// supply the bucket name.
//
// If the region was anything other than US Standard then we will also need
// to infer the region so that we can initialize the S3 SDK properly.
console.log("Document URL: " + document.URL);
var urls = document.URL.split('/');
console.log("URL split: " + urls);
// Using technique from https://gist.github.com/jlong/2428561
// to parse the document URL.
var parser = document.createElement('a');
parser.href = document.URL;
// URL format is scheme://[user:password@]domain:port/path?query_string#fragment_id
// For example: http://example.com:3000/path/?name=abc#topic
console.log("protocol: " + parser.protocol); // => "http:"
console.log("hostname: " + parser.hostname); // => "example.com"
console.log("port : " + parser.port); // => "3000"
console.log("pathname: " + parser.pathname); // => "/path/"
console.log("search : " + parser.search); // => "?name=abc"
console.log("hash : " + parser.hash); // => "#topic"
console.log("host : " + parser.host); // => "example.com:3000"
// If initial bucket has been hard-coded above then use it, else try to
// derive the initial bucket from the document URL (useful if index.html was
// launched directly from within a bucket), else prompt the user.
if (s3exp_config.Bucket) {
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
} else if (parser.hostname.endsWith('amazonaws.com')) {
// Hostname is likely to be in one of the following forms:
// - s3.amazonaws.com
// - bucket1.s3.amazonaws.com
// - s3-us-west-2.amazonaws.com
// - bucket2.s3-us-west-2.amazonaws.com
// If using static website hosting, the hostname will be of the form:
// - bucket.s3-website.eu-central-1.amazonaws.com/
// The following is also a legal form, but we do not support it, so
// you should use s3-eu-central-1 rather than s3.eu-central-1:
// - bucket3.s3.eu-central-1.amazonaws.com
var bucket;
var region;
var hostnames = parser.hostname.split('.');
var pathnames = parser.pathname.split('/');
console.log("count of words in hostname=" + hostnames.length);
console.log("count of words in pathname=" + pathnames.length);
console.log("hostnames=" + hostnames);
console.log("pathnames=" + pathnames);
// If bucket prefix not included in hostname
if (hostnames[0].match(/^s3-/) || hostnames[0].match(/^s3$/)) {
bucket = pathnames[1];
region = hostnames[0];
console.log("path bucket=" + bucket);
console.log("path region=" + region);
} else {
bucket = hostnames[0];
region = hostnames[hostnames.length - 3];
console.log("host bucket=" + bucket);
console.log("host region=" + region);
}
// If we found statically-hosted website prefix or explicit region, for
// example s3-us-west-2, then get region else use the default of US Standard
if (region !== 's3') {
if (region.startsWith('s3-website-')) {
AWS.config.region = region.substring(11);
} else if (region.startsWith('s3-') || region.startsWith('s3.')) {
AWS.config.region = region.substring(3);
} else {
AWS.config.region = region;
}
}
console.log("AWS region=" + AWS.config.region);
console.log("S3 bucket=" + bucket);
// Create and initialize S3 object
s3 = new AWS.S3();
s3exp_config = {
Bucket: bucket,
Delimiter: '/'
};
if (window.location.hash) {
console.log("Location hash=" + window.location.hash);
s3exp_config.Prefix = window.location.hash.substring(1);
}
// Do initial bucket list
(s3exp_lister = s3list(s3exp_config, s3draw)).go();
} else {
promptForBucketInput();
}
});
</script>