Re: [Exist-open] Filenames with awkward characters in eXist-db?

[David B. <dj...@gm...>]

Dear exist-open (cc Eduard, Peter),

Have I understood correctly from the conversation below that eXist-db uses
a broken Java constructor to convert filenames to URIs, that is, a
constructor that incorrectly raises an error when operating on filenames
that contain percent signs and square brackets, even though those
characters can be percent-escaped and the percent-escaped versions can be
used in URIs? If that is the case, this would appear to be a bug in
eXist-db—perhaps a bug inherited from a faulty Java resource, but one that
could be fixed within eXist-db resource management interfaces by shunning
the faulty resource in favor of a (if necessary home-grown) compliant
filename-to-URI conversion routine. Or have I misunderstood something about
how filename-to-URI mapping is supposed to work? I did consult
https://tools.ietf.org/html/rfc3986#section-2, which seems to tell me that
filenames that contain percent signs and square brackets can be used as
URIs by percent-encoding those (and other reserved) characters.

Best,

David


On Tue, Nov 24, 2020 at 1:16 AM Eduard Drenth <ed...@fr...>
wrote:

> What I am saying is that exist-db uses this constrructor
>
> -----Original Message-----
> *From*: Hungerburg 13 <pc...@my...
> <Hungerburg%2013%20%3c...@my...%3e>>
> *To*: exi...@li...
> *Subject*: Re: [Exist-open] Filenames with awkward characters in eXist-db?
> *Date*: Mon, 23 Nov 2020 23:27:04 +0100
>
> Am 23.11.20 um 22:08 schrieb Eduard Drenth:
>
> Another followup on this one:
>
>
> Under the hood java.net.URI is used, a URI with either % or brackets
>
> isn't valid, try:
>
>
> new URI("test%percent.xml");
>
> new URI("test[with]brackets.xml");
>
>
>
> Not so quick! You should use another constructor, to work around such
>
> awkward characters, see attached java source - beware the path string
>
> then must start with a slash.
>
>
> The error message is somehow misleading though. Perhaps the four
>
> argument constructor just can do a better guess at what is wanted, URIs
>
> are quite a complicated beast.
>
>
> Peter
>
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