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+-- LuaTools需要PROJECT和VERSION这两个信息
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+PROJECT = "txiot_demo"
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+VERSION = "1.0.0"
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+
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+-- sys库是标配
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+_G.sys = require("sys")
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+--[[特别注意, 使用mqtt库需要下列语句]]
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+_G.sysplus = require("sysplus")
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+
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+
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+-- 产品ID和产品动态注册秘钥
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+local ProductId = "SU83PBK5YF"
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+local ProductSecret = "DliTrlLmab4zo2FiZFNOyLsQ"
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+local mqttc
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+local mqtt_isssl = false
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+
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+--[[
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+函数名：getDeviceName
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+功能 ：获取设备名称
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+参数 ：无
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+返回值：设备名称
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+]]
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+local function getDeviceName()
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+ --默认使用设备的IMEI作为设备名称，用户可以根据项目需求自行修改
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+ return mobile.imei()
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+end
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+
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+
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+
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+function device_enrol()
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+ local deviceName = getDeviceName()
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+ local nonce = math.random(1, 100)
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+ local timestamp = os.time()
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+ local data = "deviceName=" .. deviceName .. "&nonce=" .. nonce .. "&productId=" ..
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+ ProductId .. "×tamp=" .. timestamp
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+ local hmac_sha1_data = crypto.hmac_sha1(data, ProductSecret):lower()
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+ local signature = crypto.base64_encode(hmac_sha1_data)
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+ local tx_body = {
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+ productId = ProductId,
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+ deviceName = deviceName,
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+ nonce = nonce,
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+ timestamp = timestamp,
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+ signature = signature,
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+ }
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+ local tx_body_json = json.encode(tx_body)
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+ local code, headers, body = http.request("POST", "https://ap-guangzhou.gateway.tencentdevices.com/register/dev",
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+ {
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+ ["Content-Type"] = "application/json; charset=UTF-8",
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+ ["X-TC-Version"] = "2019-04-23",
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+ ["X-TC-Region"] = "ap-guangzhou"
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+ }, tx_body_json, { timeout = 30000 }).wait()
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+ log.info("http.post", code, headers, body)
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+ if code == 200 then
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+ local m, result, err = json.decode(body)
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+ log.info(" m,result,err", m, result, err)
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+ if result == 0 then
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+ log.info("json解析失败", err)
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+ device_enrol()
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+ end
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+ if m.message == "success" then
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+ log.info("腾讯云注册设备成功:", body)
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+ log.info("http.body.message", m.message)
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+ local result = io.writeFile("/txiot.dat", body)
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+ log.info("密钥写入结果", result)
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+ else
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+ log.info("腾讯云注册设备失败:失败原因", m.message)
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+ end
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+ else
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+ log.info("http请求失败:", body)
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+ end
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+end
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+
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+sys.subscribe("MQTT_SIGN_AUTH", function(clientid, username, password)
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+ sys.taskInit(function()
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+ log.info("clientid,username,password", result, clientid, username, password, payload)
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+
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+ local mqtt_host = ProductId .. ".iotcloud.tencentdevices.com"
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+ mqttc = mqtt.create(nil, mqtt_host, 1883, mqtt_isssl)
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+ mqttc:auth(clientid, username, password, false) -- client_id必填,其余选填
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+ mqttc:keepalive(300) -- 默认300s
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+ mqttc:autoreconn(true, 3000) -- 自动重连机制
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+ mqttc:on(function(mqtt_client, event, data, payload)
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+ -- 用户自定义代码
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+ log.info("mqtt", "event", event, mqtt_client, data, payload)
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+ if event == "conack" then
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+ log.info("mqtt", "sent", "pkgid", data)
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+ --连上了
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+ sys.publish("mqtt_conack")
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+ local txiot_subscribetopic = {
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+ ["$thing/down/property/" .. ProductId .. "/" .. getDeviceName()] = 0
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+ }
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+ mqtt_client:subscribe(txiot_subscribetopic)
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+ elseif event == "recv" then
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+ log.info("mqtt", "downlink", "topic", data, "payload", payload)
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+ --TODO：根据需求自行处理data.payload
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+ --sys.publish("mqtt_payload", data, payload)
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+ mqttc:publish("$thing/up/property/" .. ProductId .. "/" .. getDeviceName(),
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+ "publish from luat mqtt client",
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+ 0)
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+ elseif event == "sent" then
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+ log.info("mqtt", "sent", "pkgid", data)
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+ elseif event == "disconnect" then
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+ log.info("连接失败")
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+ -- --非自动重连时,按需重启mqttc
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+ -- mqtt_client:connect()
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+ end
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+ end)
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+ mqttc:connect()
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+ sys.waitUntil("mqtt_conack")
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+ while true do
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+ -- 如果没有其他task上报, 可以写个空等待
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+ sys.wait(60000000)
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+ end
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+ end)
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+end)
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+
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+
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+sys.subscribe("MQTT_CERT_AUTH", function() ---证书认证连接
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+ sys.taskInit(function()
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+ local clientid = ProductId .. getDeviceName()
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+ local connid = math.random(10000, 99999)
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+ log.info("connid类型", type(connid))
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+ local expiry = "32472115200"
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+ local username = string.format("%s;12010126;%s;%s", clientid, connid, expiry) --生成 MQTT 的 username 部分, 格式为 ${clientid};${sdkappid};${connid};${expiry}
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+ local password = 123 --证书认证不会验证password
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+ log.info("clientid1,username1,password1", clientid, username, password)
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+ local mqtt_host = ProductId .. ".iotcloud.tencentdevices.com"
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+ mqttc = mqtt.create(nil, mqtt_host, 8883,
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+ { server_cert = io.readFile("/luadb/ca.crt"),
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+ client_cert = io.readFile("/client.crt"),
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+ client_key = io.readFile("/client.key") })
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+ mqttc:auth(clientid, username, password) -- client_id必填,其余选填
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+ mqttc:keepalive(300) -- 默认值300s
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+ mqttc:autoreconn(true, 20000) -- 自动重连机制
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+
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+
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+ mqttc:on(function(mqtt_client, event, data, payload)
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+ -- 用户自定义代码
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+ log.info("mqtt", "event", event, mqtt_client, data, payload)
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+ if event == "conack" then
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+ log.info("mqtt", "sent", "pkgid", data)
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+ --连上了
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+ sys.publish("mqtt_conack")
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+ local txiot_subscribetopic = {
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+ ["$thing/down/property/" .. ProductId .. "/" .. getDeviceName()] = 0
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+ }
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+ mqtt_client:subscribe(txiot_subscribetopic)
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+ elseif event == "recv" then
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+ log.info("mqtt", "downlink", "topic", data, "payload", payload)
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+ --TODO：根据需求自行处理data.payload
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+ --sys.publish("mqtt_payload", data, payload)
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+ mqttc:publish("$thing/up/property/" .. ProductId .. "/" .. getDeviceName(),
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+ "publish from luat mqtt client",
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+ 0)
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+ elseif event == "sent" then
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+ log.info("mqtt", "sent", "pkgid", data)
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+ elseif event == "disconnect" then
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+ log.info("连接失败")
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+ -- --非自动重连时,按需重启mqttc
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+ -- mqtt_client:connect()
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+ end
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+ end)
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+ local result = mqttc:connect()
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+ log.info("connect.result", result)
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+ sys.waitUntil("mqtt_conack")
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+
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+ while true do
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+ -- 如果没有其他task上报, 可以写个空等待
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+ sys.wait(60000000)
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+ end
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+ end)
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+end)
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+
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+sys.taskInit(function()
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+ if mobile.status() ~= 1 and not sys.waitUntil("IP_READY", 600000) then
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+ log.info("网络初始化失败！")
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+ end
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+ log.info("io.exists", io.exists("/txiot.dat"))
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+ if not io.exists("/txiot.dat") then
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+ device_enrol()
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+ end
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+ local dat, result, err = json.decode(io.readFile("/txiot.dat"))
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+ log.info("dat,result,err", dat, result, err)
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+ if result == 0 then
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+ log.info("json解码失败", err)
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+ device_enrol() --解析失败重新下载文件
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+ local dat, result, err = json.decode(io.readFile("/txiot.dat"))
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+ end
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+ local payload = json.decode(crypto.cipher_decrypt("AES-128-CBC", "ZERO", crypto.base64_decode(dat.payload),
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+ string.sub(ProductSecret, 1, 16), "0000000000000000"))
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+ log.info("payload[encryptionType]", payload.encryptionType)
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+ log.info("payload[psk]", payload.psk)
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+ if payload.encryptionType == 2 then
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+ local clientid, username, password = iotauth.qcloud(ProductId, getDeviceName(), payload.psk)
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+ sys.publish("MQTT_SIGN_AUTH", clientid, username, password) --签名认证
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+ elseif payload.encryptionType == 1 then
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+ log.info("payload date ", payload.encryptionType, payload.psk, payload.clientCert, payload.clientKey)
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+ io.writeFile("/client.crt", payload.clientCert)
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+ io.writeFile("/client.key", payload.clientKey)
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+ sys.publish("MQTT_CERT_AUTH") --证书认证
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+ end
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+end)
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+
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+
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+
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+
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+-- 用户代码已结束---------------------------------------------
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+-- 结尾总是这一句
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+sys.run()
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+-- sys.run()之后后面不要加任何语句!!!!!
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Wendal Chen