From 54ee1b35946b587e85c8995ed10b9d5eecab802d Mon Sep 17 00:00:00 2001
From: jesopo
Date: Sun, 15 Sep 2019 10:43:46 +0100
Subject: re-merge fediverse an fediverse_server, so they can share utils

---
 modules/fediverse_server/security.py | 32 --------------------------------
 1 file changed, 32 deletions(-)
 delete mode 100644 modules/fediverse_server/security.py

(limited to 'modules/fediverse_server/security.py')

diff --git a/modules/fediverse_server/security.py b/modules/fediverse_server/security.py
deleted file mode 100644
index 6ae75cd3..00000000
--- a/modules/fediverse_server/security.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import base64, typing
-from cryptography.hazmat.primitives import hashes, serialization
-from cryptography.hazmat.primitives.asymmetric import padding, rsa
-from cryptography.hazmat.backends import default_backend
-
-SIGNATURE_FORMAT = (
-    "keyId=\"%s\",headers=\"%s\",signature=\"%s\",algorithm=\"rsa-sha256\"")
-
-
-def private_key(key_filename: str) -> rsa.RSAPrivateKey:
-    with open(key_filename) as key_file:
-        return serialization.load_pem_private_key(
-            key_file.read(), password=None, backend=default_backend())
-
-def signature(key: rsa.RSAPrivateKey, key_id: str,
-        headers: typing.List[typing.Tuple[str, str]]) -> str:
-    private_key = _private_key(key_filename)
-    sign_header_keys = " ".join(h[0] for h in headers)
-
-    sign_string_parts = ["%s: %s" % (k, v) for k, v in headers]
-    sign_string = "\n".join(sign_string_parts)
-
-    signature = private_key.sign(
-        sign_string.encode("utf8"),
-        padding.PSS(
-            mgf=padding.MGF1(hashes.SHA256()),
-            salt_length=padding.PSS.MAX_LENGTH),
-        hashes.SHA256()
-    )
-
-    signature = base64.b64encode(signature).decode("ascii")
-    return SIGNATURE_FORMAT % (key_id, sign_header_keys, signature)
-- 
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