486 lines
17 KiB
C++
486 lines
17 KiB
C++
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#include <FS.h> //this needs to be first, or it all crashes and burns...
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#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
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//needed for library
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#include <DNSServer.h>
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#include <ESP8266WebServer.h>
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#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
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#define ARDUINOJSON_DECODE_UNICODE 1
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#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
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#include <ESP8266mDNS.h> // https://tttapa.github.io/ESP8266/Chap08%20-%20mDNS.html
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//for LED status
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#include <Ticker.h>
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Ticker ticker;
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const byte RELAY_PIN = 12;
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const byte LED_PIN = 13; // 13 for Sonoff S20, 2 for NodeMCU/ESP12 internal LED
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const byte BUTTON_PIN = 0;
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bool fuzIsOpen = false;
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void tick() {
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//toggle state
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bool state = digitalRead(LED_PIN); // get the current state of LED_PIN pin
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digitalWrite(LED_PIN, !state); // set pin to the opposite state
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}
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//gets called when WiFiManager enters configuration mode (for LED status)
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void configModeCallback (WiFiManager *myWiFiManager) {
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Serial.println("Entered config mode");
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Serial.println(WiFi.softAPIP());
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//if you used auto generated SSID, print it
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Serial.println(myWiFiManager->getConfigPortalSSID());
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//entered config mode, make led toggle faster
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ticker.attach(0.2, tick);
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}
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//define your default values here, if there are different values in config.json, they are overwritten.
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String matrixUsername;
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String matrixPassword;
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String matrixRoom = "!ppCFWxNWJeGbyoNZVw:matrix.fuz.re"; // #entropy:matrix.fuz.re
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String matrixMessage = "Test";
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//flag for saving data
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bool shouldSaveConfig = false;
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//callback notifying us of the need to save config
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void saveConfigCallback () {
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Serial.println(F("Should save config"));
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shouldSaveConfig = true;
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}
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WiFiManager wifiManager;
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#include <ESP8266HTTPClient.h> // for https://github.com/matt-williams/matrix-esp8266/blob/master/matrix-esp8266.ino
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HTTPClient http;
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String accessToken;
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String lastMessageToken;
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String createLoginBody(String user, String password) {
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String buffer;
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StaticJsonDocument<1000> jsonBuffer;
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//JsonObject& root = jsonBuffer.createObject();
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jsonBuffer["type"] = "m.login.password";
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jsonBuffer["user"] = user;
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jsonBuffer["password"] = password;
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jsonBuffer["identifier"]["type"] = "m.id.user";
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jsonBuffer["identifier"]["user"] = user;
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serializeJson(jsonBuffer, buffer);
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return buffer;
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}
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String createMessageBody(String message) {
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String buffer;
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StaticJsonDocument<1000> jsonBuffer;
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jsonBuffer["msgtype"] = "m.text";
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jsonBuffer["body"] = message;
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serializeJson(jsonBuffer, buffer);
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return buffer;
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}
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bool login(String user, String password) {
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bool success = false;
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String buffer;
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buffer = createLoginBody(user.substring(0, user.indexOf(":")), password);
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String url = "http://corsanywhere.glitch.me/https://" + user.substring(user.indexOf(":") + 1) + "/_matrix/client/r0/login";
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// Serial.printf("POST %s\n", url.c_str());
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http.begin(url);
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http.addHeader("Content-Type", "application/json");
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int rc = http.POST(buffer);
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Serial.printf("buffer %s\n", buffer.c_str());
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if (rc > 0) {
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Serial.printf("Login return code %d\n", rc);
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if (rc == HTTP_CODE_OK) {
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String body = http.getString();
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StaticJsonDocument<1000> jsonBuffer;
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deserializeJson(jsonBuffer, body);
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String myAccessToken = jsonBuffer["access_token"];
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accessToken = String(myAccessToken.c_str());
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Serial.println(accessToken);
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success = true;
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}
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} else {
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Serial.printf("Error: %s\n", http.errorToString(rc).c_str());
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}
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return success;
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}
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bool sendMessage(String roomId, String message) {
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bool success = false;
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String buffer;
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buffer = createMessageBody(message);
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String url = "http://corsanywhere.glitch.me/https://" + roomId.substring(roomId.indexOf(":") + 1) + "/_matrix/client/r0/rooms/" + roomId + "/send/m.room.message/" + String(millis()) + "?access_token=" + accessToken + "&limit=1";
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Serial.printf("PUT %s\n", url.c_str());
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http.begin(url);
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int rc = http.sendRequest("PUT", buffer);
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if (rc > 0) {
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// Serial.printf("%d\n", rc);
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if (rc == HTTP_CODE_OK) {
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success = true;
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}
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} else {
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Serial.printf("Error: %s\n", http.errorToString(rc).c_str());
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}
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return success;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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ESP8266WebServer httpServer(80); // webserver on port 80 https://github.com/esp8266/Arduino/blob/14262af0d19a9a3b992d5aa310a684d47b6fb876/libraries/ESP8266WebServer/examples/AdvancedWebServer/AdvancedWebServer.ino
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void handleRoot() {
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String html =
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String("<!DOCTYPE HTML><html>") +
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"<head><meta charset=utf-8><title>presence</title></head><body>" +
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"<a href='/admin'>Admin</a><br>" +
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"Rotating light: " + String(digitalRead(RELAY_PIN) == HIGH) + "<br>" +
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"Fuz is open: " + String(fuzIsOpen) + "<br>" +
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"</body></html>";
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httpServer.send(200, "text/html", html);
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}
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void handleAdmin() {
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if (!httpServer.authenticate(matrixUsername.c_str(), matrixPassword.c_str())) {
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return httpServer.requestAuthentication();
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}
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for (int i = 0; i < httpServer.args(); i++) {
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if (httpServer.argName(i) == "disablerotatinglight") {
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digitalWrite(RELAY_PIN, LOW);
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continue;
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}
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if (httpServer.argName(i) == "enablerotatinglight") {
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digitalWrite(RELAY_PIN, HIGH);
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continue;
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}
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if (httpServer.argName(i) == "setfuzisopen") {
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fuzIsOpen = true;
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continue;
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}
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if (httpServer.argName(i) == "resetesp") {
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httpServer.sendHeader("Location", httpServer.uri(), true);
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httpServer.send(302, "text/plain", "");
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delay(500);
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ESP.reset();
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return;
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}
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}
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if (httpServer.method() == HTTP_POST) {
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for (int i = 0; i < httpServer.args(); i++) {
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if (httpServer.argName(i) == "matrixUsername") {
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matrixUsername = httpServer.arg(i);
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continue;
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}
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if (httpServer.argName(i) == "matrixPassword") {
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matrixPassword = httpServer.arg(i);
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continue;
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}
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if (httpServer.argName(i) == "matrixRoom") {
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matrixRoom = httpServer.arg(i);
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continue;
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}
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if (httpServer.argName(i) == "matrixMessage") {
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matrixMessage = httpServer.arg(i);
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continue;
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}
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}
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Serial.println(F("saving config"));
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StaticJsonDocument<800> jsonBuffer;
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jsonBuffer["matrixUsername"] = matrixUsername;
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jsonBuffer["matrixPassword"] = matrixPassword;
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jsonBuffer["matrixRoom"] = matrixRoom;
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jsonBuffer["matrixMessage"] = matrixMessage;
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File configFile = SPIFFS.open("/config.json", "w");
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if (!configFile) {
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Serial.println(F("failed to open config file for writing"));
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}
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serializeJson(jsonBuffer, Serial);
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Serial.println();
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serializeJson(jsonBuffer, configFile);
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configFile.close();
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}
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if (httpServer.args() > 0 || httpServer.method() == HTTP_POST) { // trim GET parameters and prevent resubmiting same form on refresh
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httpServer.sendHeader("Location", httpServer.uri(), true);
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return httpServer.send(302, "text/plain", "");
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}
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String html =
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String("<!DOCTYPE HTML><html>") +
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"<head><meta charset=utf-8><title>presence admin</title></head><body>" +
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(digitalRead(RELAY_PIN) == HIGH ? "<a href='?disablerotatinglight'>Disable rotating light</a>" : "<a href='?enablerotatinglight'>Enable rotating light</a>") + "<br>" +
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(fuzIsOpen ? "" : "<a href='?setfuzisopen'>Set Fuz as open</a>") + "<br>" +
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"<a href='?resetesp'>Reboot ESP</a>" + "<br><br>" +
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"<form method='post'>" +
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"<div><label for='matrixUsername'>matrixUsername </label><input name='matrixUsername' id='matrixUsername' value='" + matrixUsername + "'></div>" +
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"<div><label for='matrixPassword'>matrixPassword </label><input name='matrixPassword' id='matrixPassword' value='" + matrixPassword + "'></div>" +
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"<div><label for='matrixRoom'>matrixRoom </label><input name='matrixRoom' id='matrixRoom' value='" + matrixRoom + "'></div>" +
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"<div><label for='matrixMessage'>matrixMessage </label><input name='matrixMessage' id='matrixMessage' value='" + matrixMessage + "'></div>" +
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"<div><button>Submit</button></div></form>"
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"</body></html>";
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httpServer.send(200, "text/html", html);
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}
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void handleNotFound() {
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httpServer.send(404, "text/plain", httpServer.uri() + " not found");
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}
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void morseSOSLED() { // ... ___ ...
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for (int i = 0; i < 3; i++) {
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digitalWrite(LED_PIN, LOW); // lit up
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delay(100);
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digitalWrite(LED_PIN, HIGH); // lit down
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delay(100);
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}
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delay(50);
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for (int i = 0; i < 3; i++) {
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digitalWrite(LED_PIN, LOW); // lit up
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delay(300);
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digitalWrite(LED_PIN, HIGH); // lit down
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delay(100);
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}
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delay(50);
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for (int i = 0; i < 3; i++) {
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digitalWrite(LED_PIN, LOW); // lit up
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delay(100);
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digitalWrite(LED_PIN, HIGH); // lit down
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delay(100);
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}
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delay(500);
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}
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HTTPClient http2;
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// http2.setReuse(true);
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void notifyFuzIsOpen() {
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http2.begin("http://presence-button.glitch.me/status?fuzisopen=" + String(fuzIsOpen));
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http2.setAuthorization(matrixUsername.c_str(), matrixPassword.c_str());
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int httpCode = http2.GET();
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Serial.println("GET status return code: " + String(httpCode));
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http2.end();
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}
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bool loggedInMatrix = false;
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void setup() {
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Serial.begin(115200);
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Serial.println();
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//set relay pin as output
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pinMode(RELAY_PIN, OUTPUT);
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//set led pin as output
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pinMode(LED_PIN, OUTPUT);
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//set button pin as input
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pinMode(BUTTON_PIN, INPUT);
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// start ticker with 0.5 because we start in AP mode and try to connect
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ticker.attach(0.6, tick);
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Serial.println(F("mounting FS..."));
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if (SPIFFS.begin()) {
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Serial.println(F("mounted file system"));
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if (SPIFFS.exists("/config.json")) {
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//file exists, reading and loading
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Serial.println(F("reading config file"));
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File configFile = SPIFFS.open("/config.json", "r");
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if (configFile) {
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Serial.println(F("opened config file"));
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size_t size = configFile.size();
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// Allocate a buffer to store contents of the file.
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std::unique_ptr<char[]> buf(new char[size]);
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configFile.readBytes(buf.get(), size);
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StaticJsonDocument<800> jsonBuffer;
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auto error = deserializeJson(jsonBuffer, buf.get());
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if (error) {
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Serial.print(F("deserializeJson() failed with code "));
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Serial.println(error.c_str());
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return;
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} else {
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Serial.println(F("deserializeJson() successful:"));
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serializeJsonPretty(jsonBuffer, Serial);
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Serial.println();
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String m0 = jsonBuffer["matrixUsername"];
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matrixUsername = m0;
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String m1 = jsonBuffer["matrixPassword"];
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matrixPassword = m1;
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String m2 = jsonBuffer["matrixRoom"];
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matrixRoom = m2;
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String m3 = jsonBuffer["matrixMessage"];
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matrixMessage = m3;
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}
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configFile.close();
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}
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}
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} else {
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Serial.println(F("failed to mount FS"));
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}
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//end read
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// The extra parameters to be configured (can be either global or just in the setup)
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// After connecting, parameter.getValue() will get you the configured value
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// id/name placeholder/prompt default length
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WiFiManagerParameter customMatrixUsername("Matrix username", "Matrix username", matrixUsername.c_str(), 50);
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WiFiManagerParameter customMatrixPassword("Matrix password", "Matrix password", matrixPassword.c_str(), 50);
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WiFiManagerParameter customMatrixRoom("Matrix room", "Matrix room", matrixRoom.c_str(), 200);
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WiFiManagerParameter customMatrixMessage("Matrix message", "Matrix message", matrixMessage.c_str(), 500);
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//WiFiManager
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//Local intialization. Once its business is done, there is no need to keep it around
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//WiFiManager wifiManager;
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//reset settings - for testing
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//wifiManager.resetSettings();
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//set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode (for status LED)
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wifiManager.setAPCallback(configModeCallback);
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//set config save notify callback
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wifiManager.setSaveConfigCallback(saveConfigCallback);
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//set static ip
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// wifiManager.setSTAStaticIPConfig(IPAddress(10,0,1,99), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
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//add all your parameters here
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wifiManager.addParameter(&customMatrixUsername);
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wifiManager.addParameter(&customMatrixPassword);
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wifiManager.addParameter(&customMatrixRoom);
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wifiManager.addParameter(&customMatrixMessage);
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//reset settings - for testing
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//wifiManager.resetSettings();
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//sets timeout until configuration portal gets turned off
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//useful to make it all retry or go to sleep
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//in seconds
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//wifiManager.setTimeout(120);
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//fetches ssid and pass and tries to connect
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//if it does not connect it starts an access point with the specified name
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//here "AutoConnectAP"
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//and goes into a blocking loop awaiting configuration
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if (!wifiManager.autoConnect()) {
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Serial.println(F("failed to connect and hit timeout"));
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delay(3000);
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//reset and try again, or maybe put it to deep sleep
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ESP.reset();
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delay(5000);
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}
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//if you get here you have connected to the WiFi
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Serial.println(F("connected...yeey :)"));
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ticker.detach();
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//keep LED on
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digitalWrite(LED_PIN, LOW);
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//read updated parameters
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matrixUsername = customMatrixUsername.getValue();
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matrixPassword = customMatrixPassword.getValue();
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matrixRoom = customMatrixRoom.getValue();
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matrixMessage = customMatrixMessage.getValue();
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//save the custom parameters to FS
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if (shouldSaveConfig) {
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Serial.println(F("saving config"));
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StaticJsonDocument<800> jsonBuffer;
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jsonBuffer["matrixUsername"] = matrixUsername;
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jsonBuffer["matrixPassword"] = matrixPassword;
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jsonBuffer["matrixRoom"] = matrixRoom;
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jsonBuffer["matrixMessage"] = matrixMessage;
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File configFile = SPIFFS.open("/config.json", "w");
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if (!configFile) {
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Serial.println(F("failed to open config file for writing"));
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}
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serializeJson(jsonBuffer, Serial);
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Serial.println();
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serializeJson(jsonBuffer, configFile);
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configFile.close();
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//end save
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}
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Serial.println(F("local ip:"));
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Serial.println(WiFi.localIP());
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Serial.println(WiFi.SSID());
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http.setReuse(true);
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loggedInMatrix = login(matrixUsername, matrixPassword);
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if (loggedInMatrix) {
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Serial.println("Sucessfully athenticated");
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//keep LED on
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digitalWrite(LED_PIN, LOW);
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//light up rotating light
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digitalWrite(RELAY_PIN, HIGH);
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}
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httpServer.on("/", handleRoot);
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httpServer.on("/admin", handleAdmin);
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httpServer.onNotFound(handleNotFound);
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httpServer.begin();
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Serial.println("HTTP server started");
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if (!MDNS.begin("presence")) { // https://github.com/esp8266/Arduino/blob/14262af0d19a9a3b992d5aa310a684d47b6fb876/libraries/ESP8266mDNS/examples/mDNS_Web_Server/mDNS_Web_Server.ino
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Serial.println("Error setting up MDNS responder!");
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} else {
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Serial.println("mDNS responder started");
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}
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MDNS.addService("http", "tcp", 80);
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}
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bool buttonState = HIGH;
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bool previousButtonState = HIGH;
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long previousMillis = 0;
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const long getMatrixMessagesInterval = 5000;
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unsigned long pressedTime = millis();
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void loop() {
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MDNS.update();
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httpServer.handleClient();
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buttonState = digitalRead(BUTTON_PIN);
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if (buttonState == LOW && previousButtonState == HIGH) { // long press handling, reset settings https://forum.arduino.cc/index.php?topic=276789.msg1947963#msg1947963
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Serial.println("Button pressed (longpress handling)");
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pressedTime = millis();
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}
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if (buttonState == LOW && previousButtonState == LOW && (millis() - pressedTime) > 5000) {
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wifiManager.resetSettings();
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SPIFFS.format();
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delay(500);
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ESP.reset();
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}
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unsigned long currentMillis = millis();
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if (currentMillis - previousMillis > getMatrixMessagesInterval) {
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previousMillis = currentMillis;
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notifyFuzIsOpen();
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}
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if (!loggedInMatrix) { // send SOS in morse
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morseSOSLED();
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loggedInMatrix = login(matrixUsername, matrixPassword);
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return;
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}
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bool relayState = digitalRead(RELAY_PIN);
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if (buttonState == LOW && previousButtonState == HIGH && relayState == HIGH && sendMessage(matrixRoom, matrixMessage)) { // button just pressed while light is up
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delay(100);
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Serial.println("Button pressed");
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digitalWrite(RELAY_PIN, LOW);
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fuzIsOpen = true;
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}
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digitalWrite(LED_PIN, LOW); // light up the LED, in case we encounter temporary failure in getMessages()
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previousButtonState = buttonState;
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}
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