282 lines
11 KiB
C++
282 lines
11 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2022 Thomas Basler and others
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*/
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#include "WebApi_powermeter.h"
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#include "VeDirectFrameHandler.h"
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#include "ArduinoJson.h"
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#include "AsyncJson.h"
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#include "Configuration.h"
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#include "MqttHandleVedirectHass.h"
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#include "MqttHandleHass.h"
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#include "MqttSettings.h"
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#include "PowerLimiter.h"
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#include "PowerMeter.h"
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#include "HttpPowerMeter.h"
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#include "WebApi.h"
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#include "helper.h"
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void WebApiPowerMeterClass::init(AsyncWebServer* server)
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{
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using std::placeholders::_1;
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_server = server;
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_server->on("/api/powermeter/status", HTTP_GET, std::bind(&WebApiPowerMeterClass::onStatus, this, _1));
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_server->on("/api/powermeter/config", HTTP_GET, std::bind(&WebApiPowerMeterClass::onAdminGet, this, _1));
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_server->on("/api/powermeter/config", HTTP_POST, std::bind(&WebApiPowerMeterClass::onAdminPost, this, _1));
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_server->on("/api/powermeter/testhttprequest", HTTP_POST, std::bind(&WebApiPowerMeterClass::onTestHttpRequest, this, _1));
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}
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void WebApiPowerMeterClass::loop()
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{
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}
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void WebApiPowerMeterClass::onStatus(AsyncWebServerRequest* request)
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{
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AsyncJsonResponse* response = new AsyncJsonResponse(false, 2048);
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JsonObject root = response->getRoot();
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const CONFIG_T& config = Configuration.get();
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root[F("enabled")] = config.PowerMeter_Enabled;
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root[F("verbose_logging")] = config.PowerMeter_VerboseLogging;
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root[F("source")] = config.PowerMeter_Source;
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root[F("interval")] = config.PowerMeter_Interval;
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root[F("mqtt_topic_powermeter_1")] = config.PowerMeter_MqttTopicPowerMeter1;
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root[F("mqtt_topic_powermeter_2")] = config.PowerMeter_MqttTopicPowerMeter2;
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root[F("mqtt_topic_powermeter_3")] = config.PowerMeter_MqttTopicPowerMeter3;
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root[F("sdmbaudrate")] = config.PowerMeter_SdmBaudrate;
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root[F("sdmaddress")] = config.PowerMeter_SdmAddress;
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root[F("http_individual_requests")] = config.PowerMeter_HttpIndividualRequests;
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JsonArray httpPhases = root.createNestedArray(F("http_phases"));
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for (uint8_t i = 0; i < POWERMETER_MAX_PHASES; i++) {
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JsonObject phaseObject = httpPhases.createNestedObject();
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phaseObject[F("index")] = i + 1;
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phaseObject[F("enabled")] = config.Powermeter_Http_Phase[i].Enabled;
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phaseObject[F("url")] = String(config.Powermeter_Http_Phase[i].Url);
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phaseObject[F("auth_type")]= config.Powermeter_Http_Phase[i].AuthType;
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phaseObject[F("username")] = String(config.Powermeter_Http_Phase[i].Username);
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phaseObject[F("password")] = String(config.Powermeter_Http_Phase[i].Password);
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phaseObject[F("header_key")] = String(config.Powermeter_Http_Phase[i].HeaderKey);
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phaseObject[F("header_value")] = String(config.Powermeter_Http_Phase[i].HeaderValue);
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phaseObject[F("json_path")] = String(config.Powermeter_Http_Phase[i].JsonPath);
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phaseObject[F("timeout")] = config.Powermeter_Http_Phase[i].Timeout;
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}
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response->setLength();
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request->send(response);
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}
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void WebApiPowerMeterClass::onAdminGet(AsyncWebServerRequest* request)
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{
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if (!WebApi.checkCredentials(request)) {
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return;
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}
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this->onStatus(request);
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}
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void WebApiPowerMeterClass::onAdminPost(AsyncWebServerRequest* request)
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{
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if (!WebApi.checkCredentials(request)) {
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return;
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}
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AsyncJsonResponse* response = new AsyncJsonResponse();
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JsonObject retMsg = response->getRoot();
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retMsg[F("type")] = F("warning");
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if (!request->hasParam("data", true)) {
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retMsg[F("message")] = F("No values found!");
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response->setLength();
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request->send(response);
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return;
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}
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String json = request->getParam("data", true)->value();
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if (json.length() > 4096) {
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retMsg[F("message")] = F("Data too large!");
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response->setLength();
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request->send(response);
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return;
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}
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DynamicJsonDocument root(4096);
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DeserializationError error = deserializeJson(root, json);
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if (error) {
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retMsg[F("message")] = F("Failed to parse data!");
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response->setLength();
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request->send(response);
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return;
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}
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if (!(root.containsKey("enabled") && root.containsKey("source"))) {
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retMsg[F("message")] = F("Values are missing!");
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response->setLength();
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request->send(response);
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return;
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}
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if (root[F("source")].as<uint8_t>() == PowerMeter.SOURCE_HTTP) {
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JsonArray http_phases = root[F("http_phases")];
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for (uint8_t i = 0; i < http_phases.size(); i++) {
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JsonObject phase = http_phases[i].as<JsonObject>();
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if (i > 0 && !phase[F("enabled")].as<bool>()) {
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continue;
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}
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if (i == 0 || phase[F("http_individual_requests")].as<bool>()) {
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if (!phase.containsKey("url")
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|| (!phase[F("url")].as<String>().startsWith("http://")
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&& !phase[F("url")].as<String>().startsWith("https://"))) {
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retMsg[F("message")] = F("URL must either start with http:// or https://!");
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response->setLength();
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request->send(response);
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return;
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}
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if ((phase[F("auth_type")].as<Auth>() != Auth::none)
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&& ( phase[F("username")].as<String>().length() == 0 || phase[F("password")].as<String>().length() == 0)) {
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retMsg[F("message")] = F("Username or password must not be empty!");
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response->setLength();
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request->send(response);
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return;
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}
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if (!phase.containsKey("timeout")
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|| phase[F("timeout")].as<uint16_t>() <= 0) {
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retMsg[F("message")] = F("Timeout must be greater than 0 ms!");
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response->setLength();
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request->send(response);
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return;
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}
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}
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if (!phase.containsKey("json_path")
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|| phase[F("json_path")].as<String>().length() == 0) {
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retMsg[F("message")] = F("Json path must not be empty!");
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response->setLength();
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request->send(response);
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return;
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}
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}
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}
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CONFIG_T& config = Configuration.get();
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config.PowerMeter_Enabled = root[F("enabled")].as<bool>();
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config.PowerMeter_VerboseLogging = root[F("verbose_logging")].as<bool>();
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config.PowerMeter_Source = root[F("source")].as<uint8_t>();
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config.PowerMeter_Interval = root[F("interval")].as<uint32_t>();
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strlcpy(config.PowerMeter_MqttTopicPowerMeter1, root[F("mqtt_topic_powermeter_1")].as<String>().c_str(), sizeof(config.PowerMeter_MqttTopicPowerMeter1));
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strlcpy(config.PowerMeter_MqttTopicPowerMeter2, root[F("mqtt_topic_powermeter_2")].as<String>().c_str(), sizeof(config.PowerMeter_MqttTopicPowerMeter2));
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strlcpy(config.PowerMeter_MqttTopicPowerMeter3, root[F("mqtt_topic_powermeter_3")].as<String>().c_str(), sizeof(config.PowerMeter_MqttTopicPowerMeter3));
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config.PowerMeter_SdmBaudrate = root[F("sdmbaudrate")].as<uint32_t>();
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config.PowerMeter_SdmAddress = root[F("sdmaddress")].as<uint8_t>();
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config.PowerMeter_HttpIndividualRequests = root[F("http_individual_requests")].as<bool>();
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JsonArray http_phases = root[F("http_phases")];
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for (uint8_t i = 0; i < http_phases.size(); i++) {
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JsonObject phase = http_phases[i].as<JsonObject>();
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config.Powermeter_Http_Phase[i].Enabled = (i == 0 ? true : phase[F("enabled")].as<bool>());
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strlcpy(config.Powermeter_Http_Phase[i].Url, phase[F("url")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].Url));
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config.Powermeter_Http_Phase[i].AuthType = phase[F("auth_type")].as<Auth>();
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strlcpy(config.Powermeter_Http_Phase[i].Username, phase[F("username")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].Username));
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strlcpy(config.Powermeter_Http_Phase[i].Password, phase[F("password")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].Password));
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strlcpy(config.Powermeter_Http_Phase[i].HeaderKey, phase[F("header_key")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].HeaderKey));
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strlcpy(config.Powermeter_Http_Phase[i].HeaderValue, phase[F("header_value")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].HeaderValue));
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config.Powermeter_Http_Phase[i].Timeout = phase[F("timeout")].as<uint16_t>();
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strlcpy(config.Powermeter_Http_Phase[i].JsonPath, phase[F("json_path")].as<String>().c_str(), sizeof(config.Powermeter_Http_Phase[i].JsonPath));
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}
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Configuration.write();
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retMsg[F("type")] = F("success");
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retMsg[F("message")] = F("Settings saved!");
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response->setLength();
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request->send(response);
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yield();
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delay(1000);
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yield();
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ESP.restart();
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}
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void WebApiPowerMeterClass::onTestHttpRequest(AsyncWebServerRequest* request)
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{
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if (!WebApi.checkCredentials(request)) {
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return;
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}
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AsyncJsonResponse* asyncJsonResponse = new AsyncJsonResponse();
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JsonObject retMsg = asyncJsonResponse->getRoot();
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retMsg[F("type")] = F("warning");
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if (!request->hasParam("data", true)) {
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retMsg[F("message")] = F("No values found!");
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asyncJsonResponse->setLength();
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request->send(asyncJsonResponse);
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return;
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}
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String json = request->getParam("data", true)->value();
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if (json.length() > 2048) {
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retMsg[F("message")] = F("Data too large!");
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asyncJsonResponse->setLength();
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request->send(asyncJsonResponse);
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return;
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}
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DynamicJsonDocument root(2048);
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DeserializationError error = deserializeJson(root, json);
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if (error) {
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retMsg[F("message")] = F("Failed to parse data!");
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asyncJsonResponse->setLength();
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request->send(asyncJsonResponse);
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return;
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}
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if (!root.containsKey("url") || !root.containsKey("auth_type") || !root.containsKey("username") || !root.containsKey("password")
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|| !root.containsKey("header_key") || !root.containsKey("header_value")
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|| !root.containsKey("timeout") || !root.containsKey("json_path")) {
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retMsg[F("message")] = F("Missing fields!");
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asyncJsonResponse->setLength();
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request->send(asyncJsonResponse);
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return;
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}
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char powerMeterResponse[2000],
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errorMessage[256];
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char response[200];
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if (HttpPowerMeter.httpRequest(root[F("url")].as<String>().c_str(),
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root[F("auth_type")].as<Auth>(), root[F("username")].as<String>().c_str(), root[F("password")].as<String>().c_str(),
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root[F("header_key")].as<String>().c_str(), root[F("header_value")].as<String>().c_str(), root[F("timeout")].as<uint16_t>(),
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powerMeterResponse, sizeof(powerMeterResponse), errorMessage, sizeof(errorMessage))) {
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float power;
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if (HttpPowerMeter.getFloatValueByJsonPath(powerMeterResponse,
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root[F("json_path")].as<String>().c_str(), power)) {
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retMsg[F("type")] = F("success");
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snprintf_P(response, sizeof(response), "Success! Power: %5.2fW", power);
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} else {
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snprintf_P(response, sizeof(response), "Error: Could not find value for JSON path!");
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}
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} else {
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snprintf_P(response, sizeof(response), errorMessage);
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}
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retMsg[F("message")] = F(response);
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asyncJsonResponse->setLength();
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request->send(asyncJsonResponse);
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}
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