File regenerate-cert-to-work-with-latest-service-ide... of Package python-Twisted

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File regenerate-cert-to-work-with-latest-service-identity.patch of Package python-Twisted (Revision a268b49bba1c39777311af320a488b38)

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From 001fd99f209dce1ee853df87fc4e0627db3bc930 Mon Sep 17 00:00:00 2001
From: Glyph <code@glyph.im>
Date: Wed, 14 Jun 2023 13:41:33 -0700
Subject: [PATCH 1/4] regenerate certificate to work with latest
 service_identity

also rewrite all the logic using cryptography rather than pyopenssl
---
 src/twisted/newsfragments/11877.misc          |   0
 src/twisted/test/cert.pem.no_trailing_newline |  40 ++--
 src/twisted/test/key.pem.no_trailing_newline  |  55 +++---
 src/twisted/test/server.pem                   | 178 ++++++++++--------
 4 files changed, 150 insertions(+), 123 deletions(-)
 create mode 100644 src/twisted/newsfragments/11877.misc

diff --git a/src/twisted/newsfragments/11877.misc b/src/twisted/newsfragments/11877.misc
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/src/twisted/test/cert.pem.no_trailing_newline b/src/twisted/test/cert.pem.no_trailing_newline
index 59f1bae563e..11eb4db8119 100644
--- a/src/twisted/test/cert.pem.no_trailing_newline
+++ b/src/twisted/test/cert.pem.no_trailing_newline
@@ -1,23 +1,25 @@
 -----BEGIN CERTIFICATE-----
-MIID6DCCAtACAwtEVjANBgkqhkiG9w0BAQsFADCBtzELMAkGA1UEBhMCVFIxDzAN
-BgNVBAgMBsOHb3J1bTEUMBIGA1UEBwwLQmHFn21ha8OnxLExEjAQBgNVBAMMCWxv
-Y2FsaG9zdDEcMBoGA1UECgwTVHdpc3RlZCBNYXRyaXggTGFiczEkMCIGA1UECwwb
-QXV0b21hdGVkIFRlc3RpbmcgQXV0aG9yaXR5MSkwJwYJKoZIhvcNAQkBFhpzZWN1
-cml0eUB0d2lzdGVkbWF0cml4LmNvbTAgFw0yMjA4MjMyMzUyNTJaGA8yMTIyMDcz
-MDIzNTI1MlowgbcxCzAJBgNVBAYTAlRSMQ8wDQYDVQQIDAbDh29ydW0xFDASBgNV
-BAcMC0JhxZ9tYWvDp8SxMRIwEAYDVQQDDAlsb2NhbGhvc3QxHDAaBgNVBAoME1R3
+MIIEJDCCAwygAwIBAgIUKaSXgzt5gDMt9GbUzLz/A9HEyFEwDQYJKoZIhvcNAQEL
+BQAwgb0xGDAWBgNVBAMMD0EgSG9zdCwgTG9jYWxseTELMAkGA1UEBhMCVFIxDzAN
+BgNVBAgMBsOHb3J1bTEUMBIGA1UEBwwLQmHFn21ha8OnxLExHDAaBgNVBAoME1R3
 aXN0ZWQgTWF0cml4IExhYnMxJDAiBgNVBAsMG0F1dG9tYXRlZCBUZXN0aW5nIEF1
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+bZ+NHgtM7iKRcL59asB0OMi3Ays0+IOfZ1+3aB82zYlxFBoDyalR7NJjJGdTwNFt
+3CPGCQ28cDk=
 -----END CERTIFICATE-----
\ No newline at end of file
diff --git a/src/twisted/test/key.pem.no_trailing_newline b/src/twisted/test/key.pem.no_trailing_newline
index 63845f8249f..5d489fd73ac 100644
--- a/src/twisted/test/key.pem.no_trailing_newline
+++ b/src/twisted/test/key.pem.no_trailing_newline
@@ -1,28 +1,27 @@
------BEGIN PRIVATE KEY-----
-MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC9Gk1skmQfONi+
-GdM2Rwb6a/2weSX7eM3MwT3vXYr+0dx9ScWERILTNkLGrvfslHKdUE7hBDKjtuj6
-KtAIrVjeDDMD6Ue77EcbL3QEO1QZeBjJ3hQbaB447PhE1wwgEsWndPMcDDVm93sO
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-4LPzH6dfRnKf2jCer3DtWALD
------END PRIVATE KEY-----
\ No newline at end of file
+-----BEGIN RSA PRIVATE KEY-----
+MIIEogIBAAKCAQEA0rT5+hF+1BjE7qXms9PZWHskXZGXLPiYVmiYjsVeJAOtHAYq
+8igzA49KgR1xR9M4jQ6U46nwPsnGCh4liyxdWkBLw9maxMoE+r6dW1zZ8Tllunbd
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+gE42Ug0qu6lXtEfYqlhQoF2lAtnYq0fty/XWMVfpjVuh1lyd4C4=
+-----END RSA PRIVATE KEY-----
\ No newline at end of file
diff --git a/src/twisted/test/server.pem b/src/twisted/test/server.pem
index 0c633e6e9e3..6d2be8be95b 100644
--- a/src/twisted/test/server.pem
+++ b/src/twisted/test/server.pem
@@ -1,97 +1,123 @@
 # coding: utf-8
 
-from inspect import getsource
-from datetime import datetime
 
-from OpenSSL.crypto import FILETYPE_PEM, TYPE_RSA, X509, PKey, dump_privatekey, dump_certificate
+from datetime import datetime, timedelta
+from inspect import getsource
 
-key = PKey()
-key.generate_key(TYPE_RSA, 2048)
+from cryptography.hazmat.primitives.asymmetric.rsa import generate_private_key
+from cryptography.hazmat.primitives.hashes import SHA256
+from cryptography.hazmat.primitives.serialization import (
+    Encoding,
+    NoEncryption,
+    PrivateFormat,
+)
+from cryptography.x509 import (
+    CertificateBuilder,
+    Name,
+    NameAttribute,
+    NameOID,
+    SubjectAlternativeName,
+    DNSName,
+    random_serial_number,
+)
 
-cert = X509()
-issuer = cert.get_issuer()
-subject = cert.get_subject()
+pk = generate_private_key(key_size=2048, public_exponent=65537)
 
-for dn in [issuer, subject]:
-    dn.C = b"TR"
-    dn.ST = "Çorum".encode("utf-8")
-    dn.L = "Başmakçı".encode("utf-8")
-    dn.CN = b"localhost"
-    dn.O = b"Twisted Matrix Labs"
-    dn.OU = b"Automated Testing Authority"
-    dn.emailAddress = b"security@twistedmatrix.com"
+me = Name(
+    [
+        NameAttribute(NameOID.COMMON_NAME, "A Host, Locally"),
+        NameAttribute(NameOID.COUNTRY_NAME, "TR"),
+        NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, "Çorum"),
+        NameAttribute(NameOID.LOCALITY_NAME, "Başmakçı"),
+        NameAttribute(NameOID.ORGANIZATION_NAME, "Twisted Matrix Labs"),
+        NameAttribute(NameOID.ORGANIZATIONAL_UNIT_NAME, "Automated Testing Authority"),
+        NameAttribute(NameOID.EMAIL_ADDRESS, "security@twistedmatrix.com"),
+    ]
+)
 
-cert.set_serial_number(datetime.now().toordinal())
-cert.gmtime_adj_notBefore(0)
-cert.gmtime_adj_notAfter(60 * 60 * 24 * 365 * 100)
+certificate_bytes = (
+    CertificateBuilder()
+    .serial_number(random_serial_number())
+    .not_valid_before(datetime.now())
+    .not_valid_after(datetime.now() + timedelta(seconds=60 * 60 * 24 * 365 * 100))
+    .subject_name(me)
+    .add_extension(SubjectAlternativeName([DNSName("localhost")]), False)
+    .issuer_name(me)
+    .public_key(pk.public_key())
+    .sign(pk, algorithm=SHA256())
+).public_bytes(Encoding.PEM)
 
-cert.set_pubkey(key)
-cert.sign(key, "sha256")
+privkey_bytes = pk.private_bytes(
+    Encoding.PEM, PrivateFormat.TraditionalOpenSSL, NoEncryption()
+)
 
 import __main__
+
 source = getsource(__main__)
 source = source.split("\n" + "-" * 5)[0].rsplit("\n", 1)[0]
 with open("server.pem", "w") as fObj:
     fObj.write(source)
     fObj.write("\n")
-    fObj.write("'''\n")
-    fObj.write(dump_privatekey(FILETYPE_PEM, key).decode("ascii"))
-    fObj.write(dump_certificate(FILETYPE_PEM, cert).decode("ascii"))
-    fObj.write("'''\n")
+    fObj.write('"""\n')
+    fObj.write(privkey_bytes.decode("ascii"))
+    fObj.write(certificate_bytes.decode("ascii"))
+    fObj.write('"""\n')
 with open(b"key.pem.no_trailing_newline", "w") as fObj:
-    fObj.write(dump_privatekey(FILETYPE_PEM, key).decode("ascii").rstrip('\n'))
+    fObj.write(privkey_bytes.decode("ascii").rstrip("\n"))
 with open(b"cert.pem.no_trailing_newline", "w") as fObj:
-    fObj.write(dump_certificate(FILETYPE_PEM, cert).decode("ascii").rstrip('\n'))
-'''
------BEGIN PRIVATE KEY-----
-MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC9Gk1skmQfONi+
-GdM2Rwb6a/2weSX7eM3MwT3vXYr+0dx9ScWERILTNkLGrvfslHKdUE7hBDKjtuj6
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-4LPzH6dfRnKf2jCer3DtWALD
------END PRIVATE KEY-----
+    fObj.write(certificate_bytes.decode("ascii").rstrip("\n"))
+
+"""
+-----BEGIN RSA PRIVATE KEY-----
+MIIEogIBAAKCAQEA0rT5+hF+1BjE7qXms9PZWHskXZGXLPiYVmiYjsVeJAOtHAYq
+8igzA49KgR1xR9M4jQ6U46nwPsnGCh4liyxdWkBLw9maxMoE+r6dW1zZ8Tllunbd
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+gE42Ug0qu6lXtEfYqlhQoF2lAtnYq0fty/XWMVfpjVuh1lyd4C4=
+-----END RSA PRIVATE KEY-----
 -----BEGIN CERTIFICATE-----
-MIID6DCCAtACAwtEVjANBgkqhkiG9w0BAQsFADCBtzELMAkGA1UEBhMCVFIxDzAN
-BgNVBAgMBsOHb3J1bTEUMBIGA1UEBwwLQmHFn21ha8OnxLExEjAQBgNVBAMMCWxv
-Y2FsaG9zdDEcMBoGA1UECgwTVHdpc3RlZCBNYXRyaXggTGFiczEkMCIGA1UECwwb
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-cml0eUB0d2lzdGVkbWF0cml4LmNvbTAgFw0yMjA4MjMyMzUyNTJaGA8yMTIyMDcz
-MDIzNTI1MlowgbcxCzAJBgNVBAYTAlRSMQ8wDQYDVQQIDAbDh29ydW0xFDASBgNV
-BAcMC0JhxZ9tYWvDp8SxMRIwEAYDVQQDDAlsb2NhbGhvc3QxHDAaBgNVBAoME1R3
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 aXN0ZWQgTWF0cml4IExhYnMxJDAiBgNVBAsMG0F1dG9tYXRlZCBUZXN0aW5nIEF1
 dGhvcml0eTEpMCcGCSqGSIb3DQEJARYac2VjdXJpdHlAdHdpc3RlZG1hdHJpeC5j
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-rzWMLhabgCJ5cJYo5RQs7IvVtE36KaoSgfC9rTP8Lva+MW5wNeHn2f0hDlUF8jLu
-o1W+eDb9CHV7vwL19DZ3w74UkQ3RnfNDnZzVhsNI4YGaSBGtOHY3ioDspGQZqHHf
-CSTjjMwq3ddEkPd7iNu4N5KUamnH69A0JfRODC8tXjFG9/WFROhYZkUQRhXkgRd3
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+bZ+NHgtM7iKRcL59asB0OMi3Ays0+IOfZ1+3aB82zYlxFBoDyalR7NJjJGdTwNFt
+3CPGCQ28cDk=
 -----END CERTIFICATE-----
-'''
+"""

From 1f0c2a3a774d89fb10782a8abf62e219d1f4818f Mon Sep 17 00:00:00 2001
From: Glyph <code@glyph.im>
Date: Wed, 14 Jun 2023 14:06:56 -0700
Subject: [PATCH 2/4] todo server.pem should generate this too

---
 src/twisted/protocols/test/test_tls.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/twisted/protocols/test/test_tls.py b/src/twisted/protocols/test/test_tls.py
index 5915d6bc5b2..37de80feb9f 100644
--- a/src/twisted/protocols/test/test_tls.py
+++ b/src/twisted/protocols/test/test_tls.py
@@ -522,9 +522,10 @@ def cbHandshook(ignored):
             self.assertIsInstance(cert, crypto.X509)
             self.assertEqual(
                 cert.digest("sha256"),
-                # openssl x509 -noout -sha256 -fingerprint -in server.pem
-                b"C4:F5:8E:9D:A0:AC:85:24:9B:2D:AA:2C:EC:87:DB:5F:33:22:94:"
-                b"01:94:DC:D3:42:4C:E4:B9:F5:0F:45:F2:24",
+                # openssl x509 -noout -sha256 -fingerprint
+                # -in src/twisted/test/server.pem
+                b"D6:F2:2C:74:3B:E2:5E:F9:CA:DA:47:08:14:78:20:75:78:95:9E:52"
+                b":BD:D2:7C:77:DD:D4:EE:DE:33:BF:34:40",
             )
 
         handshakeDeferred.addCallback(cbHandshook)

From 137a3a6fa27374ecb879c67557197a3f0b37aab1 Mon Sep 17 00:00:00 2001
From: Glyph <code@glyph.im>
Date: Wed, 14 Jun 2023 14:08:13 -0700
Subject: [PATCH 3/4] address review

---
 src/twisted/test/server.pem | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/twisted/test/server.pem b/src/twisted/test/server.pem
index 6d2be8be95b..33fdbbd1cac 100644
--- a/src/twisted/test/server.pem
+++ b/src/twisted/test/server.pem
@@ -41,7 +41,7 @@ certificate_bytes = (
     .not_valid_before(datetime.now())
     .not_valid_after(datetime.now() + timedelta(seconds=60 * 60 * 24 * 365 * 100))
     .subject_name(me)
-    .add_extension(SubjectAlternativeName([DNSName("localhost")]), False)
+    .add_extension(SubjectAlternativeName([DNSName("localhost")]), critical=False)
     .issuer_name(me)
     .public_key(pk.public_key())
     .sign(pk, algorithm=SHA256())

From c8dce7b42b13466afd24ea5f9bbfc9a1c08c585f Mon Sep 17 00:00:00 2001
From: Glyph <code@glyph.im>
Date: Wed, 14 Jun 2023 14:17:12 -0700
Subject: [PATCH 4/4] hooray, type stubs are updated too

---
 src/twisted/internet/_sslverify.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/twisted/internet/_sslverify.py b/src/twisted/internet/_sslverify.py
index 6824482dc5b..d8f62e40954 100644
--- a/src/twisted/internet/_sslverify.py
+++ b/src/twisted/internet/_sslverify.py
@@ -159,11 +159,8 @@ def _selectVerifyImplementation():
     )
 
     try:
-        from service_identity import VerificationError  # type: ignore[import]
-        from service_identity.pyopenssl import (  # type: ignore[import]
-            verify_hostname,
-            verify_ip_address,
-        )
+        from service_identity import VerificationError
+        from service_identity.pyopenssl import verify_hostname, verify_ip_address
 
         return verify_hostname, verify_ip_address, VerificationError
     except ImportError as e:

Places

File regenerate-cert-to-work-with-latest-service-identity.patch of Package python-Twisted (Revision a268b49bba1c39777311af320a488b38)

Places