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Python
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2022-12-16 22:27:19 +08:00
import hmac
import mqtt
class IOT:
def __init__(self):
self._signMethodTable = ["hmac-md5", "hmac-sha1", "hmac-sha256"]
def aliyun(self, clientId: str, productKey: str, deviceName: str, deviceSecret: str,
signMethod="hmac-md5", regionID="cn-shanghai", ssl=False):
if clientId == None or productKey == None or deviceName == None or deviceSecret == None:
print("[Error]input param is None")
return False
if not signMethod in self._signMethodTable:
print("[Error] not support signMethod")
return False
if ssl:
securemode = "2"
self._mqttPort = int(443)
else:
securemode = "3"
self._mqttPort = int(1883)
hmac_payload = "clientId" + clientId + "deviceName" + \
deviceName + "productKey" + productKey
self._mqttPassword = hmac.new(deviceSecret.encode(
), msg=hmac_payload.encode(), digestmod=signMethod).hexdigest()
self._mqttClientId = clientId + "|securemode=" + securemode + \
",signmethod="+signMethod.replace("-", "")+"|"
self._mqttUsername = deviceName + "&" + productKey
self._mqttUri = productKey + ".iot-as-mqtt." + regionID + ".aliyuncs.com"
def tencent(self): ...
def onenet(self): ...
def connect(self):
self._client = mqtt.MQTT(self._mqttUri, port=self._mqttPort, clinetID=self._mqttClientId,
username=self._mqttUsername, password=self._mqttPassword, keepalive=600)
return self._client.connect()
def disconnect(self):
return self._client.disconnect()
def subsribe(self, topic, qos, cb):
return self._client.subscribe(topic, qos, cb)
def publish(self, topic, qos, payload):
return self._client.publish(qos, topic, payload)
def new():
iot = IOT()
return iot