134 lines
4 KiB
C++
134 lines
4 KiB
C++
/**
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BasicHTTPSClient.ino
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Created on: 14.10.2018
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*/
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#include <Arduino.h>
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#include <WiFi.h>
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#include <WiFiMulti.h>
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#include <HTTPClient.h>
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#include <NetworkClientSecure.h>
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// This is a Google Trust Services cert, the root Certificate Authority that
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// signed the server certificate for the demo server https://jigsaw.w3.org in this
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// example. This certificate is valid until Jan 28 00:00:42 2028 GMT
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const char *rootCACertificate = R"string_literal(
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-----BEGIN CERTIFICATE-----
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MIIDejCCAmKgAwIBAgIQf+UwvzMTQ77dghYQST2KGzANBgkqhkiG9w0BAQsFADBX
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MQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEQMA4GA1UE
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CxMHUm9vdCBDQTEbMBkGA1UEAxMSR2xvYmFsU2lnbiBSb290IENBMB4XDTIzMTEx
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NTAzNDMyMVoXDTI4MDEyODAwMDA0MlowRzELMAkGA1UEBhMCVVMxIjAgBgNVBAoT
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GUdvb2dsZSBUcnVzdCBTZXJ2aWNlcyBMTEMxFDASBgNVBAMTC0dUUyBSb290IFI0
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MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE83Rzp2iLYK5DuDXFgTB7S0md+8Fhzube
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Rr1r1WEYNa5A3XP3iZEwWus87oV8okB2O6nGuEfYKueSkWpz6bFyOZ8pn6KY019e
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WIZlD6GEZQbR3IvJx3PIjGov5cSr0R2Ko4H/MIH8MA4GA1UdDwEB/wQEAwIBhjAd
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BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDwYDVR0TAQH/BAUwAwEB/zAd
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BgNVHQ4EFgQUgEzW63T/STaj1dj8tT7FavCUHYwwHwYDVR0jBBgwFoAUYHtmGkUN
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l8qJUC99BM00qP/8/UswNgYIKwYBBQUHAQEEKjAoMCYGCCsGAQUFBzAChhpodHRw
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Oi8vaS5wa2kuZ29vZy9nc3IxLmNydDAtBgNVHR8EJjAkMCKgIKAehhxodHRwOi8v
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Yy5wa2kuZ29vZy9yL2dzcjEuY3JsMBMGA1UdIAQMMAowCAYGZ4EMAQIBMA0GCSqG
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SIb3DQEBCwUAA4IBAQAYQrsPBtYDh5bjP2OBDwmkoWhIDDkic574y04tfzHpn+cJ
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odI2D4SseesQ6bDrarZ7C30ddLibZatoKiws3UL9xnELz4ct92vID24FfVbiI1hY
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+SW6FoVHkNeWIP0GCbaM4C6uVdF5dTUsMVs/ZbzNnIdCp5Gxmx5ejvEau8otR/Cs
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kGN+hr/W5GvT1tMBjgWKZ1i4//emhA1JG1BbPzoLJQvyEotc03lXjTaCzv8mEbep
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8RqZ7a2CPsgRbuvTPBwcOMBBmuFeU88+FSBX6+7iP0il8b4Z0QFqIwwMHfs/L6K1
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vepuoxtGzi4CZ68zJpiq1UvSqTbFJjtbD4seiMHl
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-----END CERTIFICATE-----
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)string_literal";
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// Not sure if NetworkClientSecure checks the validity date of the certificate.
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// Setting clock just to be sure...
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void setClock() {
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configTime(0, 0, "pool.ntp.org");
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Serial.print(F("Waiting for NTP time sync: "));
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time_t nowSecs = time(nullptr);
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while (nowSecs < 8 * 3600 * 2) {
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delay(500);
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Serial.print(F("."));
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yield();
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nowSecs = time(nullptr);
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}
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Serial.println();
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struct tm timeinfo;
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gmtime_r(&nowSecs, &timeinfo);
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Serial.print(F("Current time: "));
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Serial.print(asctime(&timeinfo));
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}
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WiFiMulti WiFiMulti;
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void setup() {
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Serial.begin(115200);
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// Serial.setDebugOutput(true);
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Serial.println();
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Serial.println();
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Serial.println();
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP("HUAWEI-536F", "23R8B9M5416");
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// wait for WiFi connection
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Serial.print("Waiting for WiFi to connect...");
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while ((WiFiMulti.run() != WL_CONNECTED)) {
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Serial.print(".");
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}
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Serial.println(" connected");
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setClock();
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}
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void loop() {
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NetworkClientSecure *client = new NetworkClientSecure;
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if (client) {
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client->setCACert(rootCACertificate);
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{
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// Add a scoping block for HTTPClient https to make sure it is destroyed before NetworkClientSecure *client is
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HTTPClient https;
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Serial.print("[HTTPS] begin...\n");
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if (https.begin(*client, "https://jigsaw.w3.org/HTTP/connection.html")) { // HTTPS
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Serial.print("[HTTPS] GET...\n");
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// start connection and send HTTP header
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int httpCode = https.GET();
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// httpCode will be negative on error
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if (httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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Serial.printf("[HTTPS] GET... code: %d\n", httpCode);
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// file found at server
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if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
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String payload = https.getString();
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Serial.println(payload);
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}
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} else {
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Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
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}
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https.end();
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} else {
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Serial.printf("[HTTPS] Unable to connect\n");
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}
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// End extra scoping block
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}
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delete client;
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} else {
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Serial.println("Unable to create client");
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}
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Serial.println();
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Serial.println("Waiting 10s before the next round...");
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delay(10000);
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}
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