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From "James M Snell (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (ABDERA-225) At ("@") and colon (":") in path segments should not be escaped by IRI.normalize()
Date Wed, 06 May 2009 15:53:32 GMT

     [ https://issues.apache.org/jira/browse/ABDERA-225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James M Snell resolved ABDERA-225.
----------------------------------

    Resolution: Fixed

Fix checked in

> At ("@") and colon (":") in path segments should not be escaped by IRI.normalize()
> ----------------------------------------------------------------------------------
>
>                 Key: ABDERA-225
>                 URL: https://issues.apache.org/jira/browse/ABDERA-225
>             Project: Abdera
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Niklas Lindström
>
> The `normalize` method on IRI objects escapes ":" and "@" in path segments, which doesn't
seem to comply with the ABNF rules given in the IRI RFC (RFC 3987 section 2.2. <http://tools.ietf.org/html/rfc3987#section-2.2>).
> It seems that `isegment` explicitly *allows* for ":" and "@", according to:
>     isegment       = *ipchar
>     ...
>     ipchar         = iunreserved / pct-encoded / sub-delims / ":" / "@"
> The `normalize` method encodes each segment by filtering on `CharUtils.Profile.IPATHNODELIMS`,
via `CharUtils.is_ipathnodelims`, which uses `is_ipath` && `!isGenDelim`.
> The effect is that this (groovy):
>     import org.apache.abdera.i18n.iri.IRI
>     println new IRI("http://example.org/publ/1999:175").normalize()
>     println new IRI("http://example.org/people/admin@example.org").normalize()
> prints out:
>     http://example.org/publ/1999%3A175
>     http://example.org/people/admin%40example.org
> , where I would expect no escaping at all. Note that:
>     println new java.net.URI("http://example.org/publ/1999:175").normalize()
>     println new java.net.URI("http://example.org/people/admin@example.org").normalize()
> results in the expected:
>     http://example.org/publ/1999:175
>     http://example.org/people/admin@example.org
> Since an ipath is composed of "/"-separated isegments (with some specifics regarding
absolute, rootless and noscheme), perhaps a solution would be to rework `is_ipath` into calls
fully mimicking these ABNF rules, and use `UrlEncoding.encode(..., Profile.IPATH.filter())`
in `IRI.normalize(path)`?

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