115 lines
4.8 KiB
Python
115 lines
4.8 KiB
Python
import pytest
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from asgiref.sync import async_to_sync
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from django.test.client import RequestFactory
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from pytest_httpx import HTTPXMock
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from core.signatures import HttpSignature, LDSignature, VerificationError
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def test_sign_ld(keypair):
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"""
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Tests signing JSON-LD documents by round-tripping them through the
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verifier.
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"""
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# Create the signature
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document = {
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"id": "https://example.com/test-create",
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"type": "Create",
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"actor": "https://example.com/test-actor",
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"object": {
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"id": "https://example.com/test-object",
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"type": "Note",
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},
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}
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signature_section = LDSignature.create_signature(
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document,
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keypair["private_key"],
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keypair["public_key_id"],
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)
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# Check it and assign it to the document
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assert "signatureValue" in signature_section
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assert signature_section["type"] == "RsaSignature2017"
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document["signature"] = signature_section
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# Now verify it ourselves
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LDSignature.verify_signature(document, keypair["public_key"])
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def test_verifying_ld(keypair):
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"""
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Tests verifying JSON-LD signatures from a known-good document
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"""
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document = {
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"id": "https://example.com/test-create",
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"type": "Create",
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"actor": "https://example.com/test-actor",
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"object": {"id": "https://example.com/test-object", "type": "Note"},
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"signature": {
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"@context": "https://w3id.org/identity/v1",
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"creator": "https://example.com/test-actor#test-key",
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"created": "2022-11-12T21:41:47Z",
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"signatureValue": "nTHfkHqG4hegfnjpHucXtXDLDaIKi2Duk+NeCzqTtkjf4NneXsofbZY2tGew4uAooEe1UeM23PIyjWYnR16KwcD4YY8nMj8L3xY2czwQPScMM9n+KhSHzkWfX+iI4FWKbjpPI8M53EtTRJU+1qEjjmGUx03Ip0vfvT5821etIgvY4wLNhg3y7R8fevnNux+BeytcEV6gM4awJJ6RK0xrWGLyTgDNon5V5aNUjwcV/UVPy9UAQi1KYWtA74/F0Y4oPzL5CTudPpyiViyVHZQaal4r+ExzgSvGztqKxQeT1ya6gLXxbm1YQ+8UiGVSS8zoGhMFDEZWVsRPv7e0jm5wfA==",
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"type": "RsaSignature2017",
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},
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}
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# Ensure it verifies with correct data
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LDSignature.verify_signature(document, keypair["public_key"])
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# Mutate it slightly and ensure it does not verify
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with pytest.raises(VerificationError):
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document["actor"] = "https://example.com/evil-actor"
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LDSignature.verify_signature(document, keypair["public_key"])
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def test_sign_http(httpx_mock: HTTPXMock, keypair):
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"""
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Tests signing HTTP requests by round-tripping them through our verifier
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"""
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# Create document
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document = {
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"id": "https://example.com/test-create",
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"type": "Create",
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"actor": "https://example.com/test-actor",
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"object": {
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"id": "https://example.com/test-object",
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"type": "Note",
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},
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}
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# Send the signed request to the mock library
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httpx_mock.add_response()
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async_to_sync(HttpSignature.signed_request)(
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uri="https://example.com/test-actor",
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body=document,
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private_key=keypair["private_key"],
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key_id=keypair["public_key_id"],
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)
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# Retrieve it and construct a fake request object
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outbound_request = httpx_mock.get_request()
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fake_request = RequestFactory().post(
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path="/test-actor",
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data=outbound_request.content,
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content_type=outbound_request.headers["content-type"],
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HTTP_HOST="example.com",
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HTTP_DATE=outbound_request.headers["date"],
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HTTP_SIGNATURE=outbound_request.headers["signature"],
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HTTP_DIGEST=outbound_request.headers["digest"],
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)
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# Verify that
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HttpSignature.verify_request(fake_request, keypair["public_key"])
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def test_verify_http(keypair):
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"""
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Tests verifying HTTP requests against a known good example
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"""
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# Make our predictable request
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fake_request = RequestFactory().post(
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path="/test-actor",
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data=b'{"id": "https://example.com/test-create", "type": "Create", "actor": "https://example.com/test-actor", "object": {"id": "https://example.com/test-object", "type": "Note"}}',
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content_type="application/json",
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HTTP_HOST="example.com",
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HTTP_DATE="Sat, 12 Nov 2022 21:57:18 GMT",
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HTTP_SIGNATURE='keyId="https://example.com/test-actor#test-key",headers="(request-target) host date digest content-type",signature="IRduYoDJIh90mprjUgOIdxY1iaBWHs5ou9vsDlcmSekg6DXMZTiXjmZxbNIrnpEbNFu3wTcqz1nv9H97Gp7orbYMuHm6j2ecxsvzSr37T9jxBbt3Ov3xSfuYWwhv6PuTWNxHtUQWNuAIc3wHDAQt8Flnak/uHe7swoAq4uHq2kt18iMW6CEV9XA5ESFho2HSUgRaifoNxJlIWbHYPJiP0t9aktgGBkpQoZ8ulOj3Ew4RwC1lwk9kzWiLIjU4tSAie8RbIy2g0aUvA1tQh9Uge1by3o7+349SL5iooj+B6WSCEvvjEl52wo3xoEQmv0ptYuSPLUgB9tP8q7DoHEc8Dw==",algorithm="rsa-sha256"',
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HTTP_DIGEST="SHA-256=07sIbQ3GlOHWMbFMNajtPNtmUQXXu20UuvrIYLlI3kc=",
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)
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# Verify that
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HttpSignature.verify_request(fake_request, keypair["public_key"], skip_date=True)
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