148 lines
5.0 KiB
C++
148 lines
5.0 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 <WiFiClientSecure.h>
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// This is GandiStandardSSLCA2.pem, the root Certificate Authority that signed
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// the server certifcate for the demo server https://jigsaw.w3.org in this
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// example. This certificate is valid until Sep 11 23:59:59 2024 GMT
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const char* rootCACertificate = \
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"-----BEGIN CERTIFICATE-----\n" \
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"MIIF6TCCA9GgAwIBAgIQBeTcO5Q4qzuFl8umoZhQ4zANBgkqhkiG9w0BAQwFADCB\n" \
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"iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl\n" \
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"cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV\n" \
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"BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTQw\n" \
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"OTEyMDAwMDAwWhcNMjQwOTExMjM1OTU5WjBfMQswCQYDVQQGEwJGUjEOMAwGA1UE\n" \
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"CBMFUGFyaXMxDjAMBgNVBAcTBVBhcmlzMQ4wDAYDVQQKEwVHYW5kaTEgMB4GA1UE\n" \
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"AxMXR2FuZGkgU3RhbmRhcmQgU1NMIENBIDIwggEiMA0GCSqGSIb3DQEBAQUAA4IB\n" \
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"DwAwggEKAoIBAQCUBC2meZV0/9UAPPWu2JSxKXzAjwsLibmCg5duNyj1ohrP0pIL\n" \
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"m6jTh5RzhBCf3DXLwi2SrCG5yzv8QMHBgyHwv/j2nPqcghDA0I5O5Q1MsJFckLSk\n" \
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"QFEW2uSEEi0FXKEfFxkkUap66uEHG4aNAXLy59SDIzme4OFMH2sio7QQZrDtgpbX\n" \
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"bmq08j+1QvzdirWrui0dOnWbMdw+naxb00ENbLAb9Tr1eeohovj0M1JLJC0epJmx\n" \
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"bUi8uBL+cnB89/sCdfSN3tbawKAyGlLfOGsuRTg/PwSWAP2h9KK71RfWJ3wbWFmV\n" \
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"XooS/ZyrgT5SKEhRhWvzkbKGPym1bgNi7tYFAgMBAAGjggF1MIIBcTAfBgNVHSME\n" \
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"GDAWgBRTeb9aqitKz1SA4dibwJ3ysgNmyzAdBgNVHQ4EFgQUs5Cn2MmvTs1hPJ98\n" \
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"rV1/Qf1pMOowDgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYD\n" \
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"VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMCIGA1UdIAQbMBkwDQYLKwYBBAGy\n" \
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"MQECAhowCAYGZ4EMAQIBMFAGA1UdHwRJMEcwRaBDoEGGP2h0dHA6Ly9jcmwudXNl\n" \
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"cnRydXN0LmNvbS9VU0VSVHJ1c3RSU0FDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNy\n" \
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"bDB2BggrBgEFBQcBAQRqMGgwPwYIKwYBBQUHMAKGM2h0dHA6Ly9jcnQudXNlcnRy\n" \
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"dXN0LmNvbS9VU0VSVHJ1c3RSU0FBZGRUcnVzdENBLmNydDAlBggrBgEFBQcwAYYZ\n" \
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"aHR0cDovL29jc3AudXNlcnRydXN0LmNvbTANBgkqhkiG9w0BAQwFAAOCAgEAWGf9\n" \
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"crJq13xhlhl+2UNG0SZ9yFP6ZrBrLafTqlb3OojQO3LJUP33WbKqaPWMcwO7lWUX\n" \
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"zi8c3ZgTopHJ7qFAbjyY1lzzsiI8Le4bpOHeICQW8owRc5E69vrOJAKHypPstLbI\n" \
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"FhfFcvwnQPYT/pOmnVHvPCvYd1ebjGU6NSU2t7WKY28HJ5OxYI2A25bUeo8tqxyI\n" \
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"yW5+1mUfr13KFj8oRtygNeX56eXVlogMT8a3d2dIhCe2H7Bo26y/d7CQuKLJHDJd\n" \
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"ArolQ4FCR7vY4Y8MDEZf7kYzawMUgtN+zY+vkNaOJH1AQrRqahfGlZfh8jjNp+20\n" \
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"J0CT33KpuMZmYzc4ZCIwojvxuch7yPspOqsactIGEk72gtQjbz7Dk+XYtsDe3CMW\n" \
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"1hMwt6CaDixVBgBwAc/qOR2A24j3pSC4W/0xJmmPLQphgzpHphNULB7j7UTKvGof\n" \
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"KA5R2d4On3XNDgOVyvnFqSot/kGkoUeuDcL5OWYzSlvhhChZbH2UF3bkRYKtcCD9\n" \
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"0m9jqNf6oDP6N8v3smWe2lBvP+Sn845dWDKXcCMu5/3EFZucJ48y7RetWIExKREa\n" \
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"m9T8bJUox04FB6b9HbwZ4ui3uRGKLXASUoWNjDNKD/yZkuBjcNqllEdjB+dYxzFf\n" \
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"BT02Vf6Dsuimrdfp5gJ0iHRc2jTbkNJtUQoj1iM=\n" \
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"-----END CERTIFICATE-----\n";
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// Not sure if WiFiClientSecure 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("SSID", "PASSWORD");
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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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WiFiClientSecure *client = new WiFiClientSecure;
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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 WiFiClientSecure *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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