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libraries/ESP32_Firebase/ESP32Firebase.cpp

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+/*
+MIT License
+
+Copyright (c) 2023 Rupak Poddar
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "ESP32Firebase.h"
+
+Firebase::Firebase(String referenceURL) {
+	_host = referenceURL;
+
+  if (_host.startsWith("https://")) {
+    _host.remove(0, 8);
+  }
+
+  if (_host.endsWith("/")) {
+    _host.remove(_host.length() - 1);
+  }
+  
+	_httpsClient.setInsecure();
+}
+
+int Firebase::setString(String path, String data) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+  String msg = "\"" + data + "\"";
+
+  _httpsClient.print(String("PUT ") + jsonObject + " HTTP/1.1\r\n" +
+          "Host: " + _host + "\r\n" +
+          "Connection: close\r\n" +
+          "Accept: */*\r\n" +
+          "User-Agent: Mozilla/4.0 (compatible; esp32 Lua; Windows NT 5.1)\r\n" +
+          "Content-Type: application/json;charset=utf-8\r\n" +
+          "Content-Length: " + msg.length() + "\r\n" +
+          "\r\n" +
+          msg + "\r\n");
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    if (line.length() > 0)
+      return 200; // Success
+  }
+
+  return 400;     // Failed
+}
+
+int Firebase::setInt(String path, int data) {
+  String Data = String(data);
+  return Firebase::setNum(path, Data);
+}
+
+int Firebase::setFloat(String path, float data) {
+  String Data = String(data);
+  return Firebase::setNum(path, Data);
+}
+
+int Firebase::setNum(String path, String msg) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+
+  _httpsClient.print(String("PUT ") + jsonObject + " HTTP/1.1\r\n" +
+          "Host: " + _host + "\r\n" +
+          "Connection: close\r\n" +
+          "Accept: */*\r\n" +
+          "User-Agent: Mozilla/4.0 (compatible; esp32 Lua; Windows NT 5.1)\r\n" +
+          "Content-Type: application/json;charset=utf-8\r\n" +
+          "Content-Length: " + msg.length() + "\r\n" +
+          "\r\n" +
+          msg + "\r\n");
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    if (line.length() > 0)
+      return 200; // Success
+  }
+
+  return 400;     // Failed
+}
+
+int Firebase::pushString(String path, String data) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+
+  String msg = "\"" + data + "\"";
+
+  _httpsClient.print(String("POST ") + jsonObject + " HTTP/1.1\r\n" +
+          "Host: " + _host + "\r\n" +
+          "Connection: close\r\n" +
+          "Accept: */*\r\n" +
+          "User-Agent: Mozilla/4.0 (compatible; esp32 Lua; Windows NT 5.1)\r\n" +
+          "Content-Type: application/json;charset=utf-8\r\n" +
+          "Content-Length: " + msg.length() + "\r\n" +
+          "\r\n" +
+          msg + "\r\n");
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    if (line.length() > 0)
+      return 200; // Success
+  }
+
+  return 400;     // Failed
+}
+
+int Firebase::pushInt(String path, int data) {
+  String Data = String(data);
+  return Firebase::pushNum(path, Data);
+}
+
+int Firebase::pushFloat(String path, float data) {
+  String Data = String(data);
+  return Firebase::pushNum(path, Data);
+}
+
+int Firebase::pushNum(String path, String msg) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+
+  _httpsClient.print(String("POST ") + jsonObject + " HTTP/1.1\r\n" +
+          "Host: " + _host + "\r\n" +
+          "Connection: close\r\n" +
+          "Accept: */*\r\n" +
+          "User-Agent: Mozilla/4.0 (compatible; esp32 Lua; Windows NT 5.1)\r\n" +
+          "Content-Type: application/json;charset=utf-8\r\n" +
+          "Content-Length: " + msg.length() + "\r\n" +
+          "\r\n" +
+          msg + "\r\n");
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    if (line.length() > 0)
+      return 200; // Success
+  }
+
+  return 400;     // Failed
+}
+
+String Firebase::getString(String path) {
+  Firebase::getData(path);
+  return _String;
+}
+
+int Firebase::getInt(String path) {
+  Firebase::getData(path);
+  return _int;
+}
+
+float Firebase::getFloat(String path) {
+  Firebase::getData(path);
+  return _float;
+}
+
+void Firebase::getData(String path) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+
+  _httpsClient.print(String("GET ") + jsonObject + " HTTP/1.1\r\n" +
+               "Host: " + _host + "\r\n" +
+               "Connection: close\r\n\r\n");
+
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    _int = line.toInt();
+    _float = line.toFloat();
+    if (_json == false)
+      _String = line.substring(1,line.length()-1);
+    else
+      _String = line;
+  }
+}
+
+int Firebase::deleteData(String path) {
+	Connect_to_host();
+  String jsonObject = String("/") + path + String(".json");
+
+  _httpsClient.print(String("DELETE ") + jsonObject + " HTTP/1.1\r\n" +
+               "Host: " + _host + "\r\n" +
+               "Connection: close\r\n\r\n");
+
+  while (_httpsClient.connected()) {
+    String line = _httpsClient.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+
+  String line;
+  while(_httpsClient.available()) {
+    line = _httpsClient.readStringUntil('\n');
+    if (line.length() > 0)
+      return 200; // Success
+  }
+
+  return 400;     // Failed
+}
+
+void Firebase::json(bool json) {
+  _json = json;
+}
+
+void Firebase::Connect_to_host() {
+	int r=0;
+  while((!_httpsClient.connect(_host.c_str(), PORT)) && (r < 30)) {
+      delay(100);
+      r++;
+  }
+}