Creates codes, but they are wrong inconsistent
with google authenticator
This commit is contained in:
Joe Tretter
264
src/main.cpp
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264
src/main.cpp
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// The codes that are displayed are not consistent with the GOOGLE Authenticator
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// app.... I guess that TOTP library has an issue...
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// I connected SCL to D22 and SDA to D21
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#include <Adafruit_GFX.h>
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#include <Adafruit_I2CDevice.h>
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#include <Adafruit_SSD1306.h>
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#include <Arduino.h>
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#include <ArduinoJson.h>
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#include <ESPmDNS.h>
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#include <NTPClient.h>
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#include <Update.h>
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#include <WebServer.h>
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#include <WiFi.h>
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#include <WiFiUdp.h>
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#include <Wire.h>
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#include <uri/UriBraces.h>
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#include "TOTP.h"
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#include "sha1.h"
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WiFiUDP ntpUDP;
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NTPClient timeClient(ntpUDP);
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uint8_t hmacKey[] = {0x62, 0x27, 0x2F, 0x33, 0x54, 0x79, 0x4A,
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0x69, 0x79, 0x2B, 0x74, 0x66, 0x27};
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TOTP totp = TOTP(hmacKey, 12);
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char code[7];
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unsigned long lastMsg = 0;
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#define MSG_BUFFER_SIZE (50)
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char msg[MSG_BUFFER_SIZE];
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const char* host = "esp32oled";
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const char* ssid = "JoNelsDarlings";
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const char* password = "Paris2016";
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WebServer server(80);
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// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
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/*
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* Login page
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*/
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const char* loginIndex =
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"<form name='loginForm'>"
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"<table width='20%' bgcolor='A09F9F' align='center'>"
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"<tr>"
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"<td colspan=2>"
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"<center><font size=4><b>ESP32 Login Page</b></font></center>"
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"<br>"
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"</td>"
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"<br>"
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"<br>"
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"</tr>"
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"<td>Username:</td>"
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"<td><input type='text' size=25 name='userid'><br></td>"
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"</tr>"
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"<br>"
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"<br>"
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"<tr>"
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"<td>Password:</td>"
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"<td><input type='Password' size=25 name='pwd'><br></td>"
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"<br>"
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"<br>"
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"</tr>"
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"<tr>"
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"<td><input type='submit' onclick='check(this.form)' value='Login'></td>"
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"</tr>"
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"</table>"
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"</form>"
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"<script>"
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"function check(form)"
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"{"
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"if(form.userid.value=='admin' && form.pwd.value=='admin')"
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"{"
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"window.open('/serverIndex')"
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"}"
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"else"
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"{"
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" alert('Error Password or Username')/*displays error message*/"
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"}"
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"}"
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"</script>";
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/*
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* Server Index Page
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*/
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const char* serverIndex =
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"<script "
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"src='https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js'></"
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"script>"
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"<form method='POST' action='#' enctype='multipart/form-data' "
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"id='upload_form'>"
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"<input type='file' name='update'>"
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"<input type='submit' value='Update'>"
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"</form>"
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"<div id='prg'>progress: 0%</div>"
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"<script>"
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"$('form').submit(function(e){"
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"e.preventDefault();"
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"var form = $('#upload_form')[0];"
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"var data = new FormData(form);"
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" $.ajax({"
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"url: '/update',"
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"type: 'POST',"
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"data: data,"
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"contentType: false,"
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"processData:false,"
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"xhr: function() {"
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"var xhr = new window.XMLHttpRequest();"
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"xhr.upload.addEventListener('progress', function(evt) {"
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"if (evt.lengthComputable) {"
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"var per = evt.loaded / evt.total;"
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"$('#prg').html('progress: ' + Math.round(per*100) + '%');"
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"}"
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"}, false);"
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"return xhr;"
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"},"
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"success:function(d, s) {"
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"console.log('success!')"
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"},"
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"error: function (a, b, c) {"
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"}"
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"});"
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"});"
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"</script>";
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void writeToOled(String text) {
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display.clearDisplay();
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.setTextSize(2);
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display.print(text);
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display.display();
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}
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/*
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* setup function
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*/
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void setup(void) {
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Serial.begin(9600);
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delay(2000);
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Serial.println("STARTUP");
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if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
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Serial.println(F("SSD1306 allocation failed"));
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for (;;)
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;
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}
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delay(2000);
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writeToOled("Startup");
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randomSeed(micros());
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// Connect to WiFi network
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WiFi.begin(ssid, password);
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Serial.println("");
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// Wait for connection or reboot if it doesn't connect for too long
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uint32_t wifiConnAttements = 0;
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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if (wifiConnAttements++ > 120) {
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Serial.println(
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"<Wifi not connecting after 120 attmepts (1 min.) - rebooting>");
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ESP.restart();
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}
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}
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Serial.println("");
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Serial.print("Connected to ");
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Serial.println(ssid);
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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/*use mdns for host name resolution*/
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if (!MDNS.begin(host)) { // http://esp32ota.local
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Serial.println("Error setting up MDNS responder!");
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while (1) {
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delay(1000);
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}
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}
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Serial.println("mDNS responder started");
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/*return index page which is stored in serverIndex */
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server.on("/", HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/html", loginIndex);
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});
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server.on("/serverIndex", HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/html", serverIndex);
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});
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server.on(UriBraces("/oled/{}"), HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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String text = server.pathArg(0);
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writeToOled(text);
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server.send(200, "text/html", text);
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});
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server.on("/oled", HTTP_POST, []() {
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server.sendHeader("Connection", "close");
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String text = server.arg(0);
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writeToOled(text);
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server.send(200, "text/html", text);
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});
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/*handling uploading firmware file */
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server.on(
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"/update", HTTP_POST,
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[]() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
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ESP.restart();
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},
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[]() {
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HTTPUpload& upload = server.upload();
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if (upload.status == UPLOAD_FILE_START) {
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Serial.printf("Update: %s\n", upload.filename.c_str());
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if (!Update.begin(
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UPDATE_SIZE_UNKNOWN)) { // start with max available size
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_WRITE) {
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/* flashing firmware to ESP*/
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if (Update.write(upload.buf, upload.currentSize) !=
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upload.currentSize) {
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_END) {
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if (Update.end(
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true)) { // true to set the size to the current progress
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Serial.printf("Update Success: %u\nRebooting...\n",
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upload.totalSize);
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} else {
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Update.printError(Serial);
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}
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}
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});
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server.begin();
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timeClient.begin();
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writeToOled("Ready.");
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}
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void loop(void) {
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timeClient.update();
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server.handleClient();
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delay(1000);
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writeToOled(timeClient.getFormattedTime());
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char* newCode = totp.getCode(timeClient.getEpochTime());
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if (strcmp(code, newCode) != 0) {
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strcpy(code, newCode);
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writeToOled(code);
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delay(5000);
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}
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}
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