141 lines
3.8 KiB
C++
141 lines
3.8 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_config.h"
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#include "Configuration.h"
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#include "WebApi.h"
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#include <AsyncJson.h>
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#include <LittleFS.h>
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void WebApiConfigClass::init(AsyncWebServer* server)
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{
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using std::placeholders::_1;
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using std::placeholders::_2;
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using std::placeholders::_3;
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using std::placeholders::_4;
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using std::placeholders::_5;
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using std::placeholders::_6;
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_server = server;
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_server->on("/api/config/get", HTTP_GET, std::bind(&WebApiConfigClass::onConfigGet, this, _1));
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_server->on("/api/config/delete", HTTP_POST, std::bind(&WebApiConfigClass::onConfigDelete, this, _1));
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_server->on("/api/config/upload", HTTP_POST,
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std::bind(&WebApiConfigClass::onConfigUploadFinish, this, _1),
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std::bind(&WebApiConfigClass::onConfigUpload, this, _1, _2, _3, _4, _5, _6));
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}
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void WebApiConfigClass::loop()
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{
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}
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void WebApiConfigClass::onConfigGet(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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request->send(LittleFS, CONFIG_FILENAME, String(), true);
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}
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void WebApiConfigClass::onConfigDelete(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() > 1024) {
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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(1024);
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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("delete"))) {
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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("delete")].as<bool>() == false) {
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retMsg[F("message")] = F("Not deleted anything!");
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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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retMsg[F("type")] = F("success");
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retMsg[F("message")] = F("Configuration resettet. Rebooting now...");
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response->setLength();
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request->send(response);
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LittleFS.remove(CONFIG_FILENAME);
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ESP.restart();
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}
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void WebApiConfigClass::onConfigUploadFinish(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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// the request handler is triggered after the upload has finished...
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// create the response, add header, and send response
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AsyncWebServerResponse* response = request->beginResponse(200, "text/plain", "OK");
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response->addHeader("Connection", "close");
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response->addHeader("Access-Control-Allow-Origin", "*");
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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 WebApiConfigClass::onConfigUpload(AsyncWebServerRequest* request, String filename, size_t index, uint8_t* data, size_t len, bool final)
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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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if (!index) {
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// open the file on first call and store the file handle in the request object
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request->_tempFile = LittleFS.open(CONFIG_FILENAME, "w");
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}
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if (len) {
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// stream the incoming chunk to the opened file
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request->_tempFile.write(data, len);
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}
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if (final) {
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// close the file handle as the upload is now done
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request->_tempFile.close();
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}
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} |