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Re: [whatwg] Accessing local files with JavaScript portably and securely

From: duanyao <duanyao@ustc.edu>
Date: Wed, 19 Apr 2017 18:28:46 +0800
To: Anne van Kesteren <annevk@annevk.nl>
Message-ID: <3c0578e7-e7a5-040a-25cf-ff38d5e6c064@ustc.edu>
Cc: WHATWG <whatwg@lists.whatwg.org>, Ashley Sheridan <ash@ashleysheridan.co.uk>, Ian Hickson <ian@hixie.ch>, Roger Hågensen <rh_whatwg@skuldwyrm.no>
在 2017年04月19日 17:28, Anne van Kesteren 写道:
> On Wed, Apr 19, 2017 at 11:08 AM, duanyao <duanyao@ustc.edu> wrote:
>> This is really not intended. I just don't quite understand some of those
>> points. For example,
>> Is "the web being fundamentally linked to HTTP" just the current status of
>> the industry, or
>> the inherent philosiphy of the web? If the latter, some explanation or
>> document would be very
>> appreciated.
> I suspect it's actually a little higher-level than HTTP, with that
> indeed being the current state, but the web is about the exchange of
> data between computers and definitely sits at a higher level of
> abstraction than the particulars of the Linux or Windows file system.
> It's hard to define concretely I think, but being platform-independent
> and having data addressable from anywhere are important principles.

It's quite helpful, thanks.
If "addressable from anywhere" is a hard requirement then file: url is 
doomed with the web,
and further discussion would be unnecessary. Though 
platform-independency could be achieved technically.

>
>> Doesn't file: protocol also abstract away much of the file system? What
>> parts make it a bad abstraction?
>> You mentioned casing and unicode normalization.
> File URLs (it's not a protocol really) are still fundamentally tied to
> the file system, including how it's hierarchical and such. And then
> indeed there's all the legacy implications of file URLs.
>
>
>> I'm not particularly eager to write access myself. Maybe we can seperately
>> discuss read and write cases.
> I already pointed to https://wicg.github.io/entries-api/ as a way to
> get access to a directory of files and <input type=file> as a way to
> get access to a sequence of files. Both for read access. I haven't
> seen any interest to go beyond that.
>
>
Well, I meant accessing local files from local files without user 
actions (e.g. XHR/fetch), mainly used

to load a web app's own assets.
Received on Wednesday, 19 April 2017 10:30:32 UTC

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