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Re: URL.createObjectURL() for DataChannels

From: Peter Thatcher <pthatcher@google.com>
Date: Tue, 16 Jul 2013 17:17:54 -0700
Message-ID: <CAJrXDUFEqn612dNtmo=uh1V_OnyRfapmh+HssgChzAzRRcgyFw@mail.gmail.com>
To: "piranna@gmail.com" <piranna@gmail.com>
Cc: public-webrtc <public-webrtc@w3.org>, Harald Alvestrand <harald@alvestrand.no>, Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Really?  That would be great.  Do you have a link?


On Tue, Jul 16, 2013 at 5:12 PM, piranna@gmail.com <piranna@gmail.com>wrote:

> Similar to PeerCDN, you say? I believe they have the code on GitHub...
> El 17/07/2013 02:08, "Peter Thatcher" <pthatcher@google.com> escribió:
>
> That's pretty cool.  Has anyone done something a little more
>> open-source-ish so that piranna@gmail.com and others interested can see
>> how it could be done?
>>
>>
>> On Tue, Jul 16, 2013 at 4:58 PM, Silvia Pfeiffer <
>> silviapfeiffer1@gmail.com> wrote:
>>
>>> I thought that's exactly what these guys do:
>>> http://gigaom.com/2013/03/28/peercdn-p2p-cdn/
>>>
>>> On Wed, Jul 17, 2013 at 9:42 AM, Peter Thatcher <pthatcher@google.com>
>>> wrote:
>>> > Although it may have had some details incorrect, I think the general
>>> idea is
>>> > an interesting one:  could web page resources (such as images) be
>>> loaded
>>> > through a the data channel?
>>> >
>>> > I can think of a few ways that might be accomplished.  But before I
>>> think
>>> > too much about it:  has anyone else spent some time thinking about how
>>> it
>>> > could be done and under what circumstances it could be useful?
>>> >
>>> >
>>> >
>>> > On Tue, Jul 16, 2013 at 5:46 AM, Harald Alvestrand <
>>> harald@alvestrand.no>
>>> > wrote:
>>> >>
>>> >> On 07/15/2013 11:32 AM, piranna@gmail.com wrote:
>>> >>>
>>> >>> With URL.createObjectURL() you can create a temporal URL for example
>>> >>> from a getUserMedia() video and attach it to a <video> tag, or you
>>> can
>>> >>> use it with a Javascript fragment of code inside a Blob object and
>>> >>> give it to an inline WebWorker (also from inside a file:// scheme).
>>> >>
>>> >>
>>> >> Sorry, I can't parse that description.
>>> >> - It's "temporary", not "temporal"
>>> >> - There aren't Javascript fragments inside Blob objects
>>> >> - I don't know what you mean by "give it to an inline WebWorker".
>>> >>
>>> >>
>>> >>>
>>> >>> My idea is to be able to do the same but with WebRTC DataChannels.
>>> >>> This way, they could be accesed using an iframe location or similar
>>> >>> (also a <video> tag if required) using nested URLs this way:
>>> >>>
>>> >>> iframe.location = "http:blob:<random-blob-UUID>/index.html"
>>> >>
>>> >>
>>> >> This URL is malformed, unless I've forgotten everything I know about
>>> HTTP
>>> >> URLs.
>>> >> If you want an URL that accesses some protocol other than HTTP, please
>>> >> don't use HTTP URLs.
>>> >>
>>> >>
>>> >>>
>>> >>> This would allow literally surf over webpages hosted on the other
>>> peer
>>> >>> or whatever other thing you can do with a normal URL on the browser
>>> >>> without needing to reimplement them, just changing the TCP/HTTP
>>> >>> transport for the datachannel itself, and also maybe it would be
>>> >>> integrated directly on the browser (via plugin?) so it would run on
>>> >>> the main document setting that URL directly in the URL address bar.
>>> >>
>>> >>
>>> >> Unfortunately HTTP has the concept of an end-of-page (unless you use
>>> one
>>> >> of the infinite-document tricks that people have been using while
>>> waiting
>>> >> for webchannels to become available).
>>> >>
>>> >>>
>>> >>> For security, it would be required that only connect to DataChannels
>>> >>> whose protocol attribute is set and it's equal to the scheme we are
>>> >>> trying to use on it.
>>> >>
>>> >>
>>> >> Please try to reformulate what you want to do rather than trying to
>>> >> express it in terms of HTTP; HTTP just doesn't work that way.
>>> >>
>>> >>
>>> >>>
>>> >>>
>>> >>> --
>>> >>> "Si quieres viajar alrededor del mundo y ser invitado a hablar en un
>>> >>> monton de sitios diferentes, simplemente escribe un sistema operativo
>>> >>> Unix."
>>> >>> – Linus Tordvals, creador del sistema operativo Linux
>>> >>>
>>> >>
>>> >>
>>> >
>>>
>>
>>
Received on Wednesday, 17 July 2013 00:19:02 UTC

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