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URL preview blacklisting fixes (#5155)

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Prevents a SynapseError being raised inside of a IResolutionReceiver and instead opts to just return 0 results. This thus means that we have to lump a failed lookup and a blacklisted lookup together with the same error message, but the substitute should be generic enough to cover both cases.
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Andrew Morgan 2019-05-10 10:32:44 -07:00 • committed by GitHub
parent c2bb7476c9
commit 2f48c4e1ae
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4 changed files with 47 additions and 31 deletions
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22
tests/rest/media/v1/test_url_preview.py
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@ -297,12 +297,12 @@ class URLPreviewTests(unittest.HomeserverTestCase):
# No requests made.
self.assertEqual(len(self.reactor.tcpClients), 0)
self.assertEqual(channel.code, 403)
self.assertEqual(channel.code, 502)
self.assertEqual(
channel.json_body,
{
'errcode': 'M_UNKNOWN',
'error': 'IP address blocked by IP blacklist entry',
'error': 'DNS resolution failure during URL preview generation',
},
)
@ -318,12 +318,12 @@ class URLPreviewTests(unittest.HomeserverTestCase):
request.render(self.preview_url)
self.pump()
self.assertEqual(channel.code, 403)
self.assertEqual(channel.code, 502)
self.assertEqual(
channel.json_body,
{
'errcode': 'M_UNKNOWN',
'error': 'IP address blocked by IP blacklist entry',
'error': 'DNS resolution failure during URL preview generation',
},
)
@ -339,7 +339,6 @@ class URLPreviewTests(unittest.HomeserverTestCase):
# No requests made.
self.assertEqual(len(self.reactor.tcpClients), 0)
self.assertEqual(channel.code, 403)
self.assertEqual(
channel.json_body,
{
@ -347,6 +346,7 @@ class URLPreviewTests(unittest.HomeserverTestCase):
'error': 'IP address blocked by IP blacklist entry',
},
)
self.assertEqual(channel.code, 403)
def test_blacklisted_ip_range_direct(self):
"""
@ -414,12 +414,12 @@ class URLPreviewTests(unittest.HomeserverTestCase):
)
request.render(self.preview_url)
self.pump()
self.assertEqual(channel.code, 403)
self.assertEqual(channel.code, 502)
self.assertEqual(
channel.json_body,
{
'errcode': 'M_UNKNOWN',
'error': 'IP address blocked by IP blacklist entry',
'error': 'DNS resolution failure during URL preview generation',
},
)
@ -439,12 +439,12 @@ class URLPreviewTests(unittest.HomeserverTestCase):
# No requests made.
self.assertEqual(len(self.reactor.tcpClients), 0)
self.assertEqual(channel.code, 403)
self.assertEqual(channel.code, 502)
self.assertEqual(
channel.json_body,
{
'errcode': 'M_UNKNOWN',
'error': 'IP address blocked by IP blacklist entry',
'error': 'DNS resolution failure during URL preview generation',
},
)
@ -460,11 +460,11 @@ class URLPreviewTests(unittest.HomeserverTestCase):
request.render(self.preview_url)
self.pump()
self.assertEqual(channel.code, 403)
self.assertEqual(channel.code, 502)
self.assertEqual(
channel.json_body,
{
'errcode': 'M_UNKNOWN',
'error': 'IP address blocked by IP blacklist entry',
'error': 'DNS resolution failure during URL preview generation',
},
)