add webhook_tool

Author: ScottWryyyyy

com/alipay/ams/api/tools/webhook_tool.py

@@ -0,0 +1,10 @@
+from com.alipay.ams.api.exception.exception import AlipayApiException
+
+from com.alipay.ams.api.tools.signature_tool import verify
+
+
+def check_signature(http_method, path, client_id, rsp_time_str, rsp_body, signature, alipay_public_key):
+    if signature and 'signature=' in signature:
+        signature = signature.split('signature=')[1]
+        return verify(http_method, path, client_id, rsp_time_str, rsp_body, signature, alipay_public_key)
+    raise AlipayApiException('signature invalid:' + str(signature))