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"""
Server handler for Payment Method Identifier (PMI) endpoints.
Logs incoming request metadata into request.server.stash under `id`.
Responds with a default Link header pointing to payment-method-manifest.py.
"""
import os
import sys
resources_dir = os.path.dirname(__file__)
if resources_dir not in sys.path:
sys.path.insert(0, resources_dir)
from server_constants import STASH_PATH
def main(request, response):
test_id = request.GET.get(b"id")
if not test_id:
response.status = 400
response.headers.set(b"Content-Type", b"text/plain")
response.content = b"Missing required 'id' query parameter"
return
# Record incoming HTTP request metadata into server stash for test verification
stash = request.server.stash
with stash.lock:
logs = stash.take(test_id, path=STASH_PATH) or []
header_dict = {
k.decode("utf-8").lower(): b", ".join(v).decode("utf-8")
for k, v in request.headers.items()
}
logs.append({
"endpoint": "pmi",
"step": "pmi",
"method": request.method,
"url": request.url,
"headers": header_dict,
})
stash.put(test_id, logs, path=STASH_PATH)
response.status = 200
response.headers.set(b"Content-Type", b"text/html")
test_id_str = test_id.decode("utf-8")
default_manifest = f"/payment-method-manifest/resources/payment-method-manifest.py?id={test_id_str}"
response.headers.set(
b"Link",
f'<{default_manifest}>; rel="payment-method-manifest"'.encode(
"utf-8"
),
)
response.content = b"<!DOCTYPE html><html><body>PMI Endpoint</body></html>"