Working example for HTTPS over Eduroam network - WifiClient secure library (#2022)

* Working example for HTTPS over Eduroam network

* Update WiFiClientSecureEnterprise.ino
This commit is contained in:
Martin 2018-11-19 17:02:24 +01:00 committed by Me No Dev
parent 259ff80d60
commit 5d2460c74a

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/*|----------------------------------------------------------|*/
/*|WORKING EXAMPLE FOR HTTPS CONNECTION |*/
/*|TESTED BOARDS: Devkit v1 DOIT, Devkitc v4 |*/
/*|CORE: June 2018 |*/
/*|----------------------------------------------------------|*/
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include "esp_wpa2.h"
#include <Wire.h>
#define EAP_IDENTITY "identity" //if connecting from another corporation, use identity@organisation.domain in Eduroam
#define EAP_PASSWORD "password" //your Eduroam password
const char* ssid = "eduroam"; // Eduroam SSID
const char* host = "arduino.php5.sk"; //external server domain for HTTP connection after authentification
int counter = 0;
const char* test_root_ca= \
"-----BEGIN CERTIFICATE-----\n" \
"MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh\n" \
"MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n" \
"d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD\n" \
"QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT\n" \
"MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j\n" \
"b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG\n" \
"9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB\n" \
"CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97\n" \
"nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt\n" \
"43C/dxC//AH2hdmoRBBYMql1GNXRor5H4idq9Joz+EkIYIvUX7Q6hL+hqkpMfT7P\n" \
"T19sdl6gSzeRntwi5m3OFBqOasv+zbMUZBfHWymeMr/y7vrTC0LUq7dBMtoM1O/4\n" \
"gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO\n" \
"BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR\n" \
"TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw\n" \
"DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr\n" \
"hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg\n" \
"06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF\n" \
"PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls\n" \
"YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk\n" \
"CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=\n" \
"-----END CERTIFICATE-----\n";
// You can use x.509 client certificates if you want
//const char* test_client_key = ""; //to verify the client
//const char* test_client_cert = ""; //to verify the client
WiFiClientSecure client;
void setup() {
Serial.begin(115200);
delay(10);
Serial.println();
Serial.print("Connecting to network: ");
Serial.println(ssid);
WiFi.disconnect(true); //disconnect form wifi to set new wifi connection
WiFi.mode(WIFI_STA); //init wifi mode
esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EAP_IDENTITY, strlen(EAP_IDENTITY)); //provide identity
esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EAP_IDENTITY, strlen(EAP_IDENTITY)); //provide username --> identity and username is same
esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EAP_PASSWORD, strlen(EAP_PASSWORD)); //provide password
esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT(); //set config settings to default
esp_wifi_sta_wpa2_ent_enable(&config); //set config settings to enable function
WiFi.begin(ssid); //connect to wifi
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
counter++;
if(counter>=60){ //after 30 seconds timeout - reset board
ESP.restart();
}
}
client.setCACert(test_root_ca);
//client.setCertificate(test_client_key); // for client verification
//client.setPrivateKey(test_client_cert); // for client verification
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address set: ");
Serial.println(WiFi.localIP()); //print LAN IP
}
void loop() {
if (WiFi.status() == WL_CONNECTED) { //if we are connected to Eduroam network
counter = 0; //reset counter
Serial.println("Wifi is still connected with IP: ");
Serial.println(WiFi.localIP()); //inform user about his IP address
}else if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
WiFi.begin(ssid);
}
while (WiFi.status() != WL_CONNECTED) { //during lost connection, print dots
delay(500);
Serial.print(".");
counter++;
if(counter>=60){ //30 seconds timeout - reset board
ESP.restart();
}
}
Serial.print("Connecting to website: ");
Serial.println(host);
if (client.connect(host, 443)) {
String url = "/rele/rele1.txt";
client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "User-Agent: ESP32\r\n" + "Connection: close\r\n\r\n");
while (client.connected()) {
String header = client.readStringUntil('\n');
Serial.println(header);
if (header == "\r") {
break;
}
}
String line = client.readStringUntil('\n');
Serial.println(line);
}else{
Serial.println("Connection unsucessful");
}
delay(5000);
}