1 files changed, 68 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/dns/tsigkeyring.py b/.venv/lib/python3.12/site-packages/dns/tsigkeyring.py
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+++ b/.venv/lib/python3.12/site-packages/dns/tsigkeyring.py
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+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+"""A place to store TSIG keys."""
+
+import base64
+from typing import Any, Dict
+
+import dns.name
+import dns.tsig
+
+
+def from_text(textring: Dict[str, Any]) -> Dict[dns.name.Name, dns.tsig.Key]:
+    """Convert a dictionary containing (textual DNS name, base64 secret)
+    pairs into a binary keyring which has (dns.name.Name, bytes) pairs, or
+    a dictionary containing (textual DNS name, (algorithm, base64 secret))
+    pairs into a binary keyring which has (dns.name.Name, dns.tsig.Key) pairs.
+    @rtype: dict"""
+
+    keyring = {}
+    for name, value in textring.items():
+        kname = dns.name.from_text(name)
+        if isinstance(value, str):
+            keyring[kname] = dns.tsig.Key(kname, value).secret
+        else:
+            (algorithm, secret) = value
+            keyring[kname] = dns.tsig.Key(kname, secret, algorithm)
+    return keyring
+
+
+def to_text(keyring: Dict[dns.name.Name, Any]) -> Dict[str, Any]:
+    """Convert a dictionary containing (dns.name.Name, dns.tsig.Key) pairs
+    into a text keyring which has (textual DNS name, (textual algorithm,
+    base64 secret)) pairs, or a dictionary containing (dns.name.Name, bytes)
+    pairs into a text keyring which has (textual DNS name, base64 secret) pairs.
+    @rtype: dict"""
+
+    textring = {}
+
+    def b64encode(secret):
+        return base64.encodebytes(secret).decode().rstrip()
+
+    for name, key in keyring.items():
+        tname = name.to_text()
+        if isinstance(key, bytes):
+            textring[tname] = b64encode(key)
+        else:
+            if isinstance(key.secret, bytes):
+                text_secret = b64encode(key.secret)
+            else:
+                text_secret = str(key.secret)
+
+            textring[tname] = (key.algorithm.to_text(), text_secret)
+    return textring