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python-oauthlib/0004-IPV6-parsing-signature...

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From 49294a6a7cb6e9ece1c1814d629e2d9e497180fa Mon Sep 17 00:00:00 2001
From: Dariusz Smigiel <dsmigiel@redhat.com>
Date: Thu, 19 May 2022 09:41:59 -0700
Subject: [PATCH 1/4] OAuth1: Allow IPv6 addresses being parsed by signature
This PR addresses issue with incorrectly parsing IPv6 address,
described here: https://github.com/oauthlib/oauthlib/issues/817
---
oauthlib/oauth1/rfc5849/signature.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/oauthlib/oauth1/rfc5849/signature.py b/oauthlib/oauth1/rfc5849/signature.py
index a370ccd6..424393b6 100644
--- a/oauthlib/oauth1/rfc5849/signature.py
+++ b/oauthlib/oauth1/rfc5849/signature.py
@@ -173,7 +173,7 @@ def base_string_uri(uri: str, host: str = None) -> str:
if ':' in netloc:
# Contains a colon ":", so try to parse as "host:port"
- hostname, port_str = netloc.split(':', 1)
+ hostname, port_str = netloc.rsplit(':', 1)
if len(hostname) == 0:
raise ValueError('missing host') # error: netloc was ":port" or ":"
From d05c388078b45285ac4a012c568a5e2d56556a34 Mon Sep 17 00:00:00 2001
From: Dariusz Smigiel <dsmigiel@redhat.com>
Date: Wed, 15 Jun 2022 09:26:20 -0700
Subject: [PATCH 2/4] Removed dependency on split
---
oauthlib/oauth1/rfc5849/signature.py | 68 +++++++++++++++----------
tests/oauth1/rfc5849/test_signatures.py | 21 +++++++-
2 files changed, 60 insertions(+), 29 deletions(-)
diff --git a/oauthlib/oauth1/rfc5849/signature.py b/oauthlib/oauth1/rfc5849/signature.py
index 424393b6..70447852 100644
--- a/oauthlib/oauth1/rfc5849/signature.py
+++ b/oauthlib/oauth1/rfc5849/signature.py
@@ -37,6 +37,7 @@
import binascii
import hashlib
import hmac
+import ipaddress
import logging
import warnings
@@ -131,7 +132,14 @@ def base_string_uri(uri: str, host: str = None) -> str:
raise ValueError('uri must be a string.')
# FIXME: urlparse does not support unicode
- scheme, netloc, path, params, query, fragment = urlparse.urlparse(uri)
+ output = urlparse.urlparse(uri)
+ scheme = output.scheme
+ hostname = output.hostname
+ port = output.port
+ path = output.path
+ params = output.params
+ query = output.query
+ fragment = output.fragment
# The scheme, authority, and path of the request resource URI `RFC3986`
# are included by constructing an "http" or "https" URI representing
@@ -153,13 +161,22 @@ def base_string_uri(uri: str, host: str = None) -> str:
# 1. The scheme and host MUST be in lowercase.
scheme = scheme.lower()
- netloc = netloc.lower()
# Note: if ``host`` is used, it will be converted to lowercase below
+ if hostname is not None:
+ hostname = hostname.lower()
# 2. The host and port values MUST match the content of the HTTP
# request "Host" header field.
if host is not None:
- netloc = host.lower() # override value in uri with provided host
+ # NOTE: override value in uri with provided host
+ # Host argument is equal to netloc. It means it's missing scheme.
+ # Add it back, before parsing.
+
+ host = host.lower()
+ host = f"{scheme}://{host}"
+ output = urlparse.urlparse(host)
+ hostname = output.hostname
+ port = output.port
# 3. The port MUST be included if it is not the default port for the
# scheme, and MUST be excluded if it is the default. Specifically,
@@ -170,33 +187,28 @@ def base_string_uri(uri: str, host: str = None) -> str:
# .. _`RFC2616`: https://tools.ietf.org/html/rfc2616
# .. _`RFC2818`: https://tools.ietf.org/html/rfc2818
- if ':' in netloc:
- # Contains a colon ":", so try to parse as "host:port"
-
- hostname, port_str = netloc.rsplit(':', 1)
-
- if len(hostname) == 0:
- raise ValueError('missing host') # error: netloc was ":port" or ":"
+ if hostname is None:
+ raise ValueError('missing host')
- if len(port_str) == 0:
- netloc = hostname # was "host:", so just use the host part
- else:
- try:
- port_num = int(port_str) # try to parse into an integer number
- except ValueError:
- raise ValueError('port is not an integer')
-
- if port_num <= 0 or 65535 < port_num:
- raise ValueError('port out of range') # 16-bit unsigned ints
- if (scheme, port_num) in (('http', 80), ('https', 443)):
- netloc = hostname # default port for scheme: exclude port num
- else:
- netloc = hostname + ':' + str(port_num) # use hostname:port
+ # NOTE: Try guessing if we're dealing with IP or hostname
+ try:
+ hostname = ipaddress.ip_address(hostname)
+ except ValueError:
+ pass
+
+ if isinstance(hostname, ipaddress.IPv6Address):
+ hostname = f"[{hostname}]"
+ elif isinstance(hostname, ipaddress.IPv4Address):
+ hostname = f"{hostname}"
+
+ if port is not None and not (0 <= port <= 65535):
+ raise ValueError('port out of range') # 16-bit unsigned ints
+ if (scheme, port) in (('http', 80), ('https', 443)):
+ netloc = hostname # default port for scheme: exclude port num
+ elif port:
+ netloc = f"{hostname}:{port}" # use hostname:port
else:
- # Does not contain a colon, so entire value must be the hostname
-
- if len(netloc) == 0:
- raise ValueError('missing host') # error: netloc was empty string
+ netloc = hostname
v = urlparse.urlunparse((scheme, netloc, path, params, '', ''))
diff --git a/tests/oauth1/rfc5849/test_signatures.py b/tests/oauth1/rfc5849/test_signatures.py
index 3e84f24b..e737e68b 100644
--- a/tests/oauth1/rfc5849/test_signatures.py
+++ b/tests/oauth1/rfc5849/test_signatures.py
@@ -239,6 +239,26 @@ def test_base_string_uri(self):
'http://override.example.com/path',
base_string_uri('http:///path', 'OVERRIDE.example.com'))
+ # ----------------
+ # Host: valid host allows for IPv4 and IPv6
+
+ self.assertEqual(
+ 'https://192.168.0.1/',
+ base_string_uri('https://192.168.0.1')
+ )
+ self.assertEqual(
+ 'https://192.168.0.1:13000/',
+ base_string_uri('https://192.168.0.1:13000')
+ )
+ self.assertEqual(
+ 'https://[123:db8:fd00:1000::5]:13000/',
+ base_string_uri('https://[123:db8:fd00:1000::5]:13000')
+ )
+ self.assertEqual(
+ 'https://[123:db8:fd00:1000::5]/',
+ base_string_uri('https://[123:db8:fd00:1000::5]')
+ )
+
# ----------------
# Port: default ports always excluded; non-default ports always included
@@ -339,7 +359,6 @@ def test_base_string_uri(self):
self.assertRaises(ValueError, base_string_uri, 'http://:8080')
# Port is not a valid TCP/IP port number
- self.assertRaises(ValueError, base_string_uri, 'http://eg.com:0')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:-1')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:65536')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:3.14')
From ed0cb63945c4a5940b185823809693b7f97989ad Mon Sep 17 00:00:00 2001
From: Dariusz Smigiel <dsmigiel@redhat.com>
Date: Wed, 15 Jun 2022 10:20:29 -0700
Subject: [PATCH 3/4] Removed unused query and fragment
---
oauthlib/oauth1/rfc5849/signature.py | 2 --
1 file changed, 2 deletions(-)
diff --git a/oauthlib/oauth1/rfc5849/signature.py b/oauthlib/oauth1/rfc5849/signature.py
index 70447852..7e8044a9 100644
--- a/oauthlib/oauth1/rfc5849/signature.py
+++ b/oauthlib/oauth1/rfc5849/signature.py
@@ -138,8 +138,6 @@ def base_string_uri(uri: str, host: str = None) -> str:
port = output.port
path = output.path
params = output.params
- query = output.query
- fragment = output.fragment
# The scheme, authority, and path of the request resource URI `RFC3986`
# are included by constructing an "http" or "https" URI representing
From 9aa45aaff0cdeab258d18c025cf66e9bdba529c0 Mon Sep 17 00:00:00 2001
From: Dariusz Smigiel <dsmigiel@redhat.com>
Date: Mon, 27 Jun 2022 07:20:06 -0700
Subject: [PATCH 4/4] Restored test for port 0.
---
oauthlib/oauth1/rfc5849/signature.py | 2 +-
tests/oauth1/rfc5849/test_signatures.py | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/oauthlib/oauth1/rfc5849/signature.py b/oauthlib/oauth1/rfc5849/signature.py
index 862c3f3c..9cb1a517 100644
--- a/oauthlib/oauth1/rfc5849/signature.py
+++ b/oauthlib/oauth1/rfc5849/signature.py
@@ -198,7 +198,7 @@ def base_string_uri(uri: str, host: str = None) -> str:
elif isinstance(hostname, ipaddress.IPv4Address):
hostname = f"{hostname}"
- if port is not None and not (0 <= port <= 65535):
+ if port is not None and not (0 < port <= 65535):
raise ValueError('port out of range') # 16-bit unsigned ints
if (scheme, port) in (('http', 80), ('https', 443)):
netloc = hostname # default port for scheme: exclude port num
diff --git a/tests/oauth1/rfc5849/test_signatures.py b/tests/oauth1/rfc5849/test_signatures.py
index f0e18093..2d4735ea 100644
--- a/tests/oauth1/rfc5849/test_signatures.py
+++ b/tests/oauth1/rfc5849/test_signatures.py
@@ -348,6 +348,7 @@ def test_base_string_uri(self):
self.assertRaises(ValueError, base_string_uri, 'http://:8080')
# Port is not a valid TCP/IP port number
+ self.assertRaises(ValueError, base_string_uri, 'http://eg.com:0')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:-1')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:65536')
self.assertRaises(ValueError, base_string_uri, 'http://eg.com:3.14')
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