#ifndef _TUYABULBBACI_IDL_
#define _TUYABULBBACI_IDL_
#pragma prefix "ACSIOT"
#include <acscomponent.idl>
#include <baci.idl>
module acsiot {
interface TuyaBulbBaci : ACS::ACSComponent#define CPPHTTPLIB_OPENSSL_SUPPORT
#include <TuyaBulbBaciImpl.h>
#include <stdexcept>
// Extras
#define SHA256_HASH_SIZE 32
using json = nlohmann::json;
TuyaBulbBaciImpl::TuyaBulbBaciImpl(const ACE_CString& name, maci::ContainerServices* containerServices) : CharacteristicComponentImpl(name, containerServices),
api_region("us"),
client_id("..."),
api_secret("..."),
device_id("..."),
base_url("https://openapi.tuyaus.com"),
m_status_p(0)
{
std::cout << "Constructing TuyaBulbBaciImpl object." << std::endl;
token = getToken();
TuyaBulbBaciDevIO<bool>* m_booleanDevIO = new TuyaBulbBaciDevIO<bool>(this);
m_status_p = new baci::ROboolean(name + ":status", getComponent(), m_booleanDevIO);
CHARACTERISTIC_COMPONENT_PROPERTY(status, m_status_p);
// std::cout << "API Region: " << this->api_region << std::endl;
// std::cout << "Client ID: " << this->client_id << std::endl;
// std::cout << "API Secret: " << this->api_secret << std::endl;
// std::cout << "Device ID: " << this->device_id << std::endl;
// std::cout << "API Token: " << this->token << std::endl;
}
TuyaBulbBaciImpl::~TuyaBulbBaciImpl() {
if (m_status_p != 0) {
m_status_p->destroy();
m_status_p=0;
}
}
void TuyaBulbBaciImpl::turnOn() {
std::cout << "Turning smart bulb ON..." << std::endl;
// Set request parameters
const std::string uri = "/iot-03/devices/" + this->device_id + "/commands";
const std::string action = "POST";
const std::string headers_str = "";
const std::string body = "{\"commands\":[{\"code\":\"switch_led\",\"value\":true}]}";
const std::string body_sha256 = "8479c9c60cd5d531054c49333c7b361a9ce41b9b313ab8eb6bc9df4141f658ef";
std::map<std::string, std::string> headers_map;
headers_map = {
{"Content-type", "application/json"},
{"access_token", this->token}
};
// Send request and print response
httplib::Result response = this->sendRequest(uri, action, headers_map, headers_str, body, body_sha256);
// std::cout << "Response status:\n";
// std::cout << response->status << std::endl;
// std::cout << "Response body:\n";
// std::cout << response->body << std::endl;
// Check API response
if (response->status == 200) {
json body = json::parse(response->body);
if (body["success"].dump() == "true") {
std::cout << "Device turned ON successfully." << std::endl;
} else {
throw std::runtime_error("Error while turning smart bulb ON.\n");
}
}
}
void turnOn(in string api_region, in string api_key, in string api_secret);
void turnOff(in string api_region, in string api_key, in string api_secret);
ACS::ROboolean getStatus();
readonly attribute ACS::ROboolean status;
};
};
#endif
TuyaBulbBaciImpl::turnOff() {
std::cout << "Turning smart bulb OFF..." << std::endl;
// Set request parameters
const std::string uri = "/iot-03/devices/" + this->device_id + "/commands";
const std::string action = "POST";
const std::string headers_str = "";
const std::string body = "{\"commands\":[{\"code\":\"switch_led\",\"value\":false}]}";
const std::string body_sha256 = "c9df53ad98d9c9be68680613d9ece634a27f102c5e40c7b5f60c11f6b944b6a9";
std::map<std::string, std::string> headers_map;
headers_map = {
{"Content-type", "application/json"},
{"access_token", this->token}
};
// Send request and print response
httplib::Result response = this->sendRequest(uri, action, headers_map, headers_str, body, body_sha256);
// std::cout << "Response status:\n";
// std::cout << response->status << std::endl;
// std::cout << "Response body:\n";
// std::cout << response->body << std::endl;
// Check API response
if (response->status == 200) {
json body = json::parse(response->body);
if (body["success"].dump() == "true") {
std::cout << "Device turned OFF successfully." << std::endl;
} else {
throw std::runtime_error("Error while turning smart bulb OFF.\n");
}
}
}
httplib::Result TuyaBulbBaciImpl::sendRequest(
const std::string uri,
const std::string action,
const std::map<std::string, std::string> headers_map,
const std::string headers_str,
const std::string body,
const std::string body_sha256,
const std::string version
) {
// https://developer.tuya.com/en/docs/iot/api-request?id=Ka4a8uuo1j4t4
// https://developer.tuya.com/en/docs/iot/singnature?id=Ka43a5mtx1gsc
std::cout << "Sending request to Tuya API " << uri << std::endl;
// String stringToSign =
// HTTPMethod + "\n" +
// Content-SHA256 + "\n" +
// Headers + "\n" +
// Url
const std::string url = "/" + version + uri;
const std::string string_to_sign = action + "\n" + body_sha256 + "\n" + headers_str + "\n" + url;
// Get time in milliseconds since epoch, with 13 digits
std::time_t t = std::time(nullptr) * 1000;
// str = client_id + access_token + t + nonce + stringToSign
// sign = HMAC-SHA256(str, secret).toUpperCase()
std::string str_data;
if (this->token.empty()) {
str_data = this->client_id + std::to_string(t) + string_to_sign;
} else {
str_data = this->client_id + this->token + std::to_string(t) + string_to_sign;
}
// Allocate memory for the HMAC
std::vector<uint8_t> out(SHA256_HASH_SIZE);
// Call hmac-sha256 function and parse result to string stream
hmac_sha256(this->api_secret.data(), this->api_secret.size(), str_data.data(), str_data.size(),
out.data(), out.size());
std::stringstream ss_result;
for (uint8_t i : out) {
ss_result << std::hex << std::setfill('0') << std::setw(2) << (int)i;
}
// to uppercase
std::string sign = ss_result.str();
transform(sign.begin(), sign.end(), sign.begin(), ::toupper);
// Create base headers
httplib::Headers request_headers = {
{ "client_id", this->client_id },
{ "sign_method", "HMAC-SHA256" },
{ "sign", sign },
{ "t", std::to_string(t) }
};
// Add extra headers
std::map<std::string, std::string>::const_iterator it;
for (it = headers_map.begin(); it != headers_map.end(); it++) {
request_headers.insert({ it->first, it->second });
}
// Create HTTPS client
httplib::Client cli(this->base_url);
// Send request
if (action.compare("GET") == 0) {
return cli.Get(url.c_str(), request_headers);
} else {
return cli.Post(url.c_str(), request_headers, body.c_str(), "application/json");
}
}
std::string TuyaBulbBaciImpl::getToken() {
// https://openapi.tuyaus.com/v1.0/token?grant_type=1
const std::string uri = "/token?grant_type=1";
httplib::Result response = this->sendRequest(uri);
// Check API response
if (response->status == 200) {
json body = json::parse(response->body);
if (body["success"].dump() == "true") {
const std::string token = body["result"]["access_token"];
return token;
}
}
throw std::runtime_error("Error while getting API token.\n");
}
bool TuyaBulbBaciImpl::getStatus() {
// https://openapi.tuyaus.com/v1.0/iot-03/devices/{device_id}/status
const std::string uri = "/iot-03/devices/" + this->device_id + "/status";
std::map<std::string, std::string> headers_map;
headers_map = {
{"access_token", this->token}
};
// Send request and print response
httplib::Result response = this->sendRequest(uri, "GET", headers_map);
// std::cout << "Response status:\n";
// std::cout << response->status << std::endl;
// std::cout << "Response body:\n";
// std::cout << response->body << std::endl;
// Check API response
if (response->status == 200) {
json body = json::parse(response->body);
// Return status
if (body["success"].dump() == "true") {
if (body["result"][0]["value"].dump() == "true") {
return true;
} else {
return false;
}
}
}
throw std::runtime_error("Error while getting device status.\n");
}
ACS::ROboolean_ptr TuyaBulbBaciImpl::status () {
if(m_status_p == 0) {
return ACS::ROboolean::_nil();
}
ACS::ROboolean_var prop = ACS::ROboolean::_narrow(m_status_p->getCORBAReference());
return prop._retn();
}
/* --------------- [ MACI DLL support functions ] -----------------*/
#include <maciACSComponentDefines.h>
MACI_DLL_SUPPORT_FUNCTIONS(TuyaBulbBaciImpl)
/* ----------------------------------------------------------------*/ |