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This commit is contained in:
Markos Gogoulos
2025-12-29 18:57:39 +02:00
parent 70e2c67f3d
commit 9733d53c0b
1 changed files with 3 additions and 6 deletions
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9
lti/adapters.py
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@@ -7,8 +7,6 @@ Provides Django-specific implementations for PyLTI1p3 interfaces
import json import json
from typing import Any, Dict, Optional from typing import Any, Dict, Optional
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
from django.core.cache import cache from django.core.cache import cache
from jwcrypto import jwk from jwcrypto import jwk
from pylti1p3.message_launch import MessageLaunch from pylti1p3.message_launch import MessageLaunch
@@ -294,15 +292,14 @@ class DjangoToolConfig(ToolConfAbstract):
PyLTI1p3 calls this to get the tool's private key for signing PyLTI1p3 calls this to get the tool's private key for signing
""" """
# Load JWK and convert to cryptography RSA key object # Load JWK and convert to PEM string
key_obj = LTIToolKeys.get_or_create_keys() key_obj = LTIToolKeys.get_or_create_keys()
jwk_obj = jwk.JWK(**key_obj.private_key_jwk) jwk_obj = jwk.JWK(**key_obj.private_key_jwk)
# Export to PEM and load as cryptography object # Export to PEM string (PyJWT accepts PEM strings)
pem_bytes = jwk_obj.export_to_pem(private_key=True, password=None) pem_bytes = jwk_obj.export_to_pem(private_key=True, password=None)
private_key = serialization.load_pem_private_key(pem_bytes, password=None, backend=default_backend())
return private_key return pem_bytes.decode('utf-8')
@classmethod @classmethod
def from_platform(cls, platform): def from_platform(cls, platform):