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https://github.com/lutris/lutris
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Guard against mirror urls to avoid long hangs
Signed-off-by: Antoine Mazeas <antoine@karthanis.net>
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@ -5,6 +5,7 @@ import types
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MODDB_FQDN = 'https://www.moddb.com'
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MODDB_URL_MATCHER = '^https://(www\.)?moddb\.com'
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MODDB_MIRROR_URL_MATCHER = '^https://(www\.)?moddbi\.com/downloads/mirror'
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def is_moddb_url(url):
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return re.match(MODDB_URL_MATCHER, url.lower()) is not None
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@ -16,7 +17,7 @@ class ModDB:
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def transform_url(self, moddb_permalink_url):
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if not is_moddb_url(moddb_permalink_url):
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raise RuntimeError("provided url must be from moddb.com")
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raise RuntimeError('provided url must be from moddb.com')
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return MODDB_FQDN + self._autoselect_moddb_mirror(self._get_html_and_resolve_mirrors_list(moddb_permalink_url))._url
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@ -25,13 +26,22 @@ class ModDB:
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return sorted(mirrors_list, key=lambda m: m.capacity)[0]
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def _get_html_and_resolve_mirrors_list(self, moddb_permalink_url):
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# make sure the url is not that of a mirrored file
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# if this isn't checked, the helper might hang
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# while downloading a file instead of a web page
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# with no obvious reason to the user as to why
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if self._is_moddb_mirror_url(moddb_permalink_url):
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raise RuntimeError('supplied url points directly to a mirror. This is an incorrect configuration, please refer to installers.rst for details.')
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moddb_obj = self.parse(moddb_permalink_url)
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if not isinstance(moddb_obj, moddb.pages.File):
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raise RuntimeError("supplied url does not point to the page of a file hosted on moddb.com")
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raise RuntimeError('supplied url does not point to the page of a file hosted on moddb.com')
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mirrors_list = moddb_obj.get_mirrors()
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if not any(mirrors_list):
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raise RuntimeError("no available mirror for the file hosted on moddb.com")
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raise RuntimeError('no available mirror for the file hosted on moddb.com')
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return mirrors_list
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def _is_moddb_mirror_url(self, url):
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return re.match(MODDB_MIRROR_URL_MATCHER, url.lower()) is not None
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@ -41,6 +41,16 @@ class ModDBHelperTests(unittest.TestCase):
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self.assertEqual(hlpr.parse, custom)
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## transform_url
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def test_transform_url_url_is_mirror_with_www_throws(self):
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moddb_url = 'https://www.moddb.com/downloads/mirror/somethingsomething'
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with self.assertRaises(RuntimeError):
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transformed = self.helper_obj.transform_url(moddb_url)
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def test_transform_url_url_is_mirror_no_www_throws(self):
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moddb_url = 'https://moddb.com/downloads/mirror/somethingsomething'
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with self.assertRaises(RuntimeError):
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transformed = self.helper_obj.transform_url(moddb_url)
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def test_transform_url_url_match_happy_path(self):
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self \
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.with_mirror("/first_url", 12.4)
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