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Incorrect domains returned by EffectiveTldFinder

See original GitHub issue

The method EffectiveTldFinder.getAssignedDomain(hostname) returns an incorrect domain in a couple of cases. This was detected by a comparison with the Python module tldextract which is also based on the public suffix list.

  1. exceptions to wildcard rules are not recognized as valid domain, e.g. with the rules

    *.kawasaki.jp
    !city.kawasaki.jp
    

    the domain for “www.city.kawasaki.jp” should be “city.kawasaki.jp”.

  2. the domain detection fails entirely of the .za top-level domain: “blogs.uct.ac.za” should give “ac.za”. A test whether the last element “za” is a valid TLD fails but the .za registrar does not allow .za alone as TLD.

  3. detection fails for internationalized domain names in their punycoded (ASCII) form: for “спб.бесплатныеобъявления.рф” the domain “бесплатныеобъявления.рф” is correctly returned but not for the punycode equivalent “спб.бесплатныеобъявления.рф”. The public suffix list contains the utf-8 representation of IDNs and must be (additionally) transposed to the ASCII/Punycode form.

Issue Analytics

  • State:closed
  • Created 6 years ago
  • Comments:6 (6 by maintainers)

github_iconTop GitHub Comments

1reaction
sebastian-nagelcommented, Oct 17, 2017

Let me work on it today. Merging fails and I’ll try to get a PR ready today evening.

0reactions
sebastian-nagelcommented, Oct 17, 2017

Done, except for IDNs which do not get processed. The puny-coded form however works. I’ll open a separate issue for this, requires more changes, esp. to handle mixed usage of IDN and punycoded parts.

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