【发布时间】：2021-07-06 07:06:34
【问题描述】：
我正在尝试使用 django python 在 paypal 中验证订阅的 webhook。我收到了 webhook，但是当我发送它们进行验证时，我收到了这个错误：{'name': 'VALIDATION_ERROR', 'message': 'Invalid request - see details', 'debug_id': 'ccc873865982', 'details': [{'field': '/', 'location': 'body', 'issue': 'MALFORMED_REQUEST_JSON'}], 'links': []}。我已经检查了给出 400 响应的响应的状态代码是什么。通过查看API Docs，我看到无效请求 + 400 响应是验证错误（与 Json 格式有关，因此很可能是语法错误）或授权错误（表示我需要更改范围）。我认为这是验证错误，因为错误指向正文。
以下是相关代码：
header_params = {
"Accept": "application/json",
"Accept-Language": "en_US",
}
param = {
"grant_type": "client_credentials",
}
cid = settings.PAYPAL_CLIENT_ID
secret = settings.PAYPAL_CLIENT_SECRET
token_i = requests.post('https://api-m.sandbox.paypal.com/v1/oauth2/token', auth=(cid, secret), headers=header_params, data=param).json()
token = token_i["access_token"]
bearer_token = "Bearer x".replace('x', token)
headers = {
"Content-Type": "application/json",
"Authorization": bearer_token,
}
print(request.body)
webhook_event = request.body.decode("utf-8")
data = {
"transmission_id": request.headers["PAYPAL-TRANSMISSION-ID"],
"transmission_time": request.headers["PAYPAL-TRANSMISSION-TIME"],
"cert_url": request.headers["PAYPAL-CERT-URL"],
"auth_algo": request.headers["PAYPAL-AUTH-ALGO"],
"transmission_sig": request.headers["PAYPAL-TRANSMISSION-SIG"],
"webhook_id": "3AJ143072C221060T",
"webhook_event": webhook_event,
}
print(json.dumps(data))
response = requests.post('https://api-m.sandbox.paypal.com/v1/notifications/verify-webhook-signature', headers=headers, json=json.dumps(data)).json()
print('worked')
print(response)
if response["verification_status"] == "SUCCESS":
print('success')
这是print(json.dumps(data)) 的打印（我删除了一些ID）：
{
"transmission_id": "id_is_here",
"transmission_time": "2021-07-04T23:37:29Z",
"cert_url": "https://api.sandbox.paypal.com/v1/notifications/certs/CERT-360caa42-fca2a594-7a8abba8",
"auth_algo": "auth_algo",
"transmission_sig": "EODOx5y8kIDycYiBYcIgByiBzHyEfu1/NS2nsumOIksVuw/2vJwHj2FcuHYxIa4n/s+s25xkeqk0CXPiSuqtNUGv4pvFtpwbCVAOCU+Msn304+wBgyb7G24rwUPwrof/5jHYQxqKKX5RzxTrff4oPnisKBDUUXV4s2+KO3h2RYAhrXtwTSPt7cK5ZbGZ6SmfpYJ8qDnYFh4PIesLeflSPQ4vHQrFbgr3NiW63sZruGFJc0hTWWc8L3BhzDuUfiSrxBJLAtrqReC8R0HSV8D+Ywmdeipep54yZeJZXfbmUUGvSYbmVMsVggyzZnltyl1hP5xUd3iIi2jdNWYpLESZzA==",
"webhook_id": "Webhook_id_is_here",
"webhook_event": "{\"id\":\"id_here\",\"event_version\":\"1.0\",\"create_time\":\"2021-07-04T23:37:26.733Z\",\"resource_type\":\"subscription\",\"resource_version\":\"2.0\",\"event_type\":\"BILLING.SUBSCRIPTION.CREATED\",\"summary\":\"Subscription created\",\"resource\":{\"start_time\":\"2021-07-04T23:37:26Z\",\"quantity\":\"1\",\"create_time\":\"2021-07-04T23:37:26Z\",\"custom_id\":\"custom_id_here\",\"links\":[{\"href\":\"https://www.sandbox.paypal.com/webapps/billing/subscriptions?ba_token=BA-2UF06918UT180770Y\",\"rel\":\"approve\",\"method\":\"GET\"},{\"href\":\"https://api.sandbox.paypal.com/v1/billing/subscriptions/I-4S15814RUE18\",\"rel\":\"edit\",\"method\":\"PATCH\"},{\"href\":\"https://api.sandbox.paypal.com/v1/billing/subscriptions/I-4S15814RUE18\",\"rel\":\"self\",\"method\":\"GET\"}],\"id\":\"sub_id_here_\",\"plan_overridden\":false,\"plan_id\":\"P-0DA33732CG980003EMDQJ6BA\",\"status\":\"APPROVAL_PENDING\"},\"links\":[{\"href\":\"https://api.sandbox.paypal.com/v1/notifications/webhooks-events/WH-91E32247D9338170B-4RF07261WK370823W\",\"rel\":\"self\",\"method\":\"GET\"},{\"href\":\"https://api.sandbox.paypal.com/v1/notifications/webhooks-events/id_here/resend\",\"rel\":\"resend\",\"method\":\"POST\"}]}"
}
【问题讨论】：
-
尝试从请求中删除
json.dumps。 -
@KlausD。这给了我错误
{'name': 'VALIDATION_ERROR', 'message': 'Invalid request - see details', 'debug_id': 'eb8249fc5cf0f', 'details': [{'field': '/webhook_event', 'location': 'body', 'issue': 'MALFORMED_REQUEST_JSON'}], 'links': []} -
看起来你必须
loads()来自webhook_event的 JSON。
标签： python json django paypal python-requests