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esp8266 wificlientsecure

mari answered on October 18, 2023 Popularity 1/10 Helpfulness 9/10

answer esp8266 wificlientsecure

esp8266 wificlientsecure

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// .ino file
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include "certs.h"

const char *ssid = "";
const char *password = "";

X509List cert(cert_DigiCert_Global_Root_CA);

void setup() {
  Serial.begin(115200);
  //Wifi connection
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);

  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  IPAddress ip = WiFi.localIP();
  Serial.println(ip);
  // Wifi connection end
  
  // Set time via NTP, as required for x.509 validation
  configTime(3 * 3600, 0, "pool.ntp.org", "time.nist.gov");
  
  BearSSL::WiFiClientSecure client;

  Serial.printf("Using certificate: %s\n", cert_DigiCert_Global_Root_CA);
  
  client.setTrustAnchors(&cert);

  char host[] = "api.reddit.com";
  String sub = "arduino";
  String URL = "/r/" + sub + "/new?limit=1";
  
  if (client.connect(host, 443)) {
    Serial.println("my connected34");
    Serial.println(URL);
    
    client.println("GET " + URL + " HTTP/1.1");
    client.print("Host: "); client.println(host);
    client.println("User-Agent: arduino/1.0");
    client.println("");
    
    //Serial.println("before while loop");
    long now = millis();
    while (millis() - now < 1500) {
      while (client.available()) {
        char c = client.read();
        Serial.print(c);
      }
    }
  }
}
// .ino file end
// certs.h file
#pragma once

// http://cacerts.digicert.com/DigiCertGlobalRootCA.crt
const char cert_DigiCert_Global_Root_CA [] PROGMEM = R"CERT(
-----BEGIN CERTIFICATE-----
MIIDrzCCApegAwIBAgIQCDvgV.....
-----END CERTIFICATE-----
)CERT";

Popularity 1/10 Helpfulness 9/10 Language cpp

Source: Grepper

Tags: c++ esp8266

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Contributed on Oct 18 2023

mari

0 Answers Avg Quality 2/10

esp8266 wificlientsecure

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