On Fri, May 25, 2012 at 7:39 AM, Marcos Caceres <[email protected]> wrote:
> On Sunday, May 13, 2012 at 5:47 PM, Anant Narayanan wrote:
>> > > installs_allowed_from: An array of origins that are allowed to trigger 
>> > > installation of this application. This field allows the developer to 
>> > > restrict installation of their application to specific sites. If the 
>> > > value is omitted, installs are allowed from any site.
>> >
>> > How are origins parsed?
>>
>> I'm not sure what the question means, but origins are essentially a
>> combination of [protocol]://[hostname]:[port]. Whenever an install is
>> triggered, the UA must check if the origin of the page triggering the
>> install is present in this array. * is a valid value for
>> installs_allowed_from, in which case the UA may skip this check.
>
> By parsing I mean which ones win, which ones get discarded, what happens to 
> invalid ones, are they resolved already, etc. in the following:
>
> installs_allowed_from: [ "   http://foo/ ", "bar://", 22, 
> "https://foo/bar/#*";, "http://foo:80/";, "wee!!!", "http://baz/hello there!", 
> "http://baz/hello%20there!";]
>
> And so on. So, all the error handling stuff. Or is a single error fatal?

I seem to have missed the context for this thread, but typically
origins are not parsed.  They're compared character-by-character to
see if they're identical.  If you have a URL, you can find its origin
and then serialize it to ASCII or Unicode if you want to compare it
with another origin.

Adam

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