Fix: APIGW v2 Request Cookie Header (Kludex#153)

* fix apigw v2 request cookie header

* add v1 cookie header test

Author: araki-yzrh

mangum/adapter.py

@@ -116,6 +116,9 @@ def __call__(self, event: dict, context: dict) -> dict:
                 else {}
             )
 
+            if "cookies" in event:
+                headers["cookie"] = "; ".join(event.get("cookies", []))
+
             server_name = headers.get("host", "mangum")
             if ":" not in server_name:
                 server_port = headers.get("x-forwarded-port", 80)

tests/conftest.py

@@ -19,6 +19,7 @@ def mock_http_event(request):
             "CloudFront-Is-SmartTV-Viewer": "false",
             "CloudFront-Is-Tablet-Viewer": "false",
             "CloudFront-Viewer-Country": "US",
+            "Cookie": "cookie1; cookie2",
             "Host": "test.execute-api.us-west-2.amazonaws.com",
             "Upgrade-Insecure-Requests": "1",
             "X-Forwarded-For": "192.168.100.1, 192.168.1.1",

tests/test_http.py

@@ -42,6 +42,7 @@ async def app(scope, receive, send):
                     "CloudFront-Is-SmartTV-Viewer": "false",
                     "CloudFront-Is-Tablet-Viewer": "false",
                     "CloudFront-Viewer-Country": "US",
+                    "Cookie": "cookie1; cookie2",
                     "Host": "test.execute-api.us-west-2.amazonaws.com",
                     "Upgrade-Insecure-Requests": "1",
                     "X-Forwarded-For": "192.168.100.1, 192.168.1.1",
@@ -104,6 +105,7 @@ async def app(scope, receive, send):
                 [b"cloudfront-is-smarttv-viewer", b"false"],
                 [b"cloudfront-is-tablet-viewer", b"false"],
                 [b"cloudfront-viewer-country", b"US"],
+                [b"cookie", b"cookie1; cookie2"],
                 [b"host", b"test.execute-api.us-west-2.amazonaws.com"],
                 [b"upgrade-insecure-requests", b"1"],
                 [b"x-forwarded-for", b"192.168.100.1, 192.168.1.1"],
@@ -160,6 +162,7 @@ async def app(scope, receive, send):
                     "CloudFront-Is-SmartTV-Viewer": "false",
                     "CloudFront-Is-Tablet-Viewer": "false",
                     "CloudFront-Viewer-Country": "US",
+                    "Cookie": "cookie1; cookie2",
                     "Host": "test.execute-api.us-west-2.amazonaws.com",
                     "Upgrade-Insecure-Requests": "1",
                     "X-Forwarded-For": "192.168.100.1, 192.168.1.1",
@@ -220,6 +223,7 @@ async def app(scope, receive, send):
                 [b"cloudfront-is-smarttv-viewer", b"false"],
                 [b"cloudfront-is-tablet-viewer", b"false"],
                 [b"cloudfront-viewer-country", b"US"],
+                [b"cookie", b"cookie1; cookie2"],
                 [b"host", b"test.execute-api.us-west-2.amazonaws.com"],
                 [b"upgrade-insecure-requests", b"1"],
                 [b"x-forwarded-for", b"192.168.100.1, 192.168.1.1"],
@@ -603,6 +607,7 @@ async def app(scope, receive, send):
                 [b"x-forwarded-port", b"443"],
                 [b"x-forwarded-proto", b"https"],
                 [b"host", b"test.execute-api.us-west-2.amazonaws.com"],
+                [b"cookie", b"cookie1; cookie2"],
             ],
             "http_version": "1.1",
             "method": "GET",