mirror of
https://github.com/emsesp/EMS-ESP32.git
synced 2025-12-09 01:09:51 +03:00
121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
/*
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* EMS-ESP - https://github.com/proddy/EMS-ESP
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* Copyright 2019 Paul Derbyshire
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "WebAPIService.h"
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#include "emsesp.h"
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#include "command.h"
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#include "emsdevice.h"
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#include "system.h"
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namespace emsesp {
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WebAPIService::WebAPIService(AsyncWebServer * server) {
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server->on(EMSESP_API_SERVICE_PATH, HTTP_GET, std::bind(&WebAPIService::webAPIService, this, std::placeholders::_1));
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}
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// http://ems-esp/api?device=boiler&cmd=wwtemp&data=20&id=1
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void WebAPIService::webAPIService(AsyncWebServerRequest * request) {
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// see if the API is enabled
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bool api_enabled;
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EMSESP::webSettingsService.read([&](WebSettings & settings) { api_enabled = settings.api_enabled; });
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// must have device and cmd parameters
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if ((!request->hasParam(F_(device))) || (!request->hasParam(F_(cmd)))) {
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request->send(400, "text/plain", F("Invalid syntax"));
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return;
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}
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// get device
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String device = request->getParam(F_(device))->value();
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uint8_t device_type = EMSdevice::device_name_2_device_type(device.c_str());
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if (device_type == emsesp::EMSdevice::DeviceType::UNKNOWN) {
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request->send(400, "text/plain", F("Invalid device"));
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return;
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}
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// get cmd, we know we have one
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String cmd = request->getParam(F_(cmd))->value();
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// look up command in our list
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if (!Command::find_command(device_type, cmd.c_str())) {
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request->send(400, "text/plain", F("Invalid cmd"));
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return;
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}
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String data;
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if (request->hasParam(F_(data))) {
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data = request->getParam(F_(data))->value();
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}
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String id;
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if (request->hasParam(F_(id))) {
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id = request->getParam(F_(id))->value();
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}
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if (id.isEmpty()) {
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id = "-1";
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}
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DynamicJsonDocument doc(EMSESP_MAX_JSON_SIZE_LARGE);
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JsonObject json = doc.to<JsonObject>();
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bool ok = false;
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// execute the command
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if (data.isEmpty()) {
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ok = Command::call(device_type, cmd.c_str(), nullptr, id.toInt(), json); // command only
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} else {
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if (api_enabled) {
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// we only allow commands with parameters if the API is enabled
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ok = Command::call(device_type, cmd.c_str(), data.c_str(), id.toInt(), json); // has cmd, data and id
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} else {
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request->send(401, "text/plain", F("Unauthorized"));
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return;
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}
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}
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// debug
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#if defined(EMSESP_DEBUG)
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std::string debug(200, '\0');
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snprintf_P(&debug[0],
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debug.capacity() + 1,
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PSTR("API: device=%s cmd=%s data=%s id=%s [%s]"),
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device.c_str(),
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cmd.c_str(),
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data.c_str(),
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id.c_str(),
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ok ? F("OK") : F("Invalid"));
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EMSESP::logger().info(debug.c_str());
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if (json.size()) {
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char buffer2[EMSESP_MAX_JSON_SIZE_LARGE];
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serializeJson(doc, buffer2);
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EMSESP::logger().info("json (max 255 chars): %s", buffer2);
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}
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#endif
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// if we have returned data in JSON format, send this to the WEB
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if (json.size()) {
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doc.shrinkToFit();
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char buffer[EMSESP_MAX_JSON_SIZE_LARGE];
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serializeJsonPretty(doc, buffer);
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request->send(200, "text/plain", buffer);
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} else {
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request->send(200, "text/plain", ok ? F("OK") : F("Invalid"));
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}
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}
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} // namespace emsesp
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