104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
/*
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* WebSocketClientSSLWithCA.ino
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*
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* Created on: 27.10.2019
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*
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* note SSL is only possible with the ESP8266
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*
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <WebSocketsClient.h>
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ESP8266WiFiMulti WiFiMulti;
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WebSocketsClient webSocket;
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#define USE_SERIAL Serial1
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// Can be obtained with:
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// openssl s_client -showcerts -connect echo.websocket.org:443 </dev/null
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const char ENDPOINT_CA_CERT[] PROGMEM = R"EOF(
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-----BEGIN CERTIFICATE-----
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MIIEkjCCA3qgAwIBAgIQCgFBQgAAAVOFc2oLheynCDANBgkqhkiG9w0BAQsFADA/MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
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DkRTVCBSb290IENBIFgzMB4XDTE2MDMxNzE2NDA0NloXDTIxMDMxNzE2NDA0NlowSjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUxldCdzIEVuY3J5cHQxIzAhBgNVBAMT
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GkxldCdzIEVuY3J5cHQgQXV0aG9yaXR5IFgzMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnNMM8FrlLke3cl03g7NoYzDq1zUmGSXhvb418XCSL7e4S0EF
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q6meNQhY7LEqxGiHC6PjdeTm86dicbp5gWAf15Gan/PQeGdxyGkOlZHP/uaZ6WA8SMx+yk13EiSdRxta67nsHjcAHJyse6cF6s5K671B5TaYucv9bTyWaN8jKkKQDIZ0
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Z8h/pZq4UmEUEz9l6YKHy9v6Dlb2honzhT+Xhq+w3Brvaw2VFn3EK6BlspkENnWAa6xK8xuQSXgvopZPKiAlKQTGdMDQMc2PMTiVFrqoM7hD8bEfwzB/onkxEz0tNvjj
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/PIzark5McWvxI0NHWQWM6r6hCm21AvA2H3DkwIDAQABo4IBfTCCAXkwEgYDVR0TAQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAYYwfwYIKwYBBQUHAQEEczBxMDIG
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CCsGAQUFBzABhiZodHRwOi8vaXNyZy50cnVzdGlkLm9jc3AuaWRlbnRydXN0LmNvbTA7BggrBgEFBQcwAoYvaHR0cDovL2FwcHMuaWRlbnRydXN0LmNvbS9yb290cy9k
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c3Ryb290Y2F4My5wN2MwHwYDVR0jBBgwFoAUxKexpHsscfrb4UuQdf/EFWCFiRAwVAYDVR0gBE0wSzAIBgZngQwBAgEwPwYLKwYBBAGC3xMBAQEwMDAuBggrBgEFBQcC
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ARYiaHR0cDovL2Nwcy5yb290LXgxLmxldHNlbmNyeXB0Lm9yZzA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmlkZW50cnVzdC5jb20vRFNUUk9PVENBWDNDUkwu
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Y3JsMB0GA1UdDgQWBBSoSmpjBH3duubRObemRWXv86jsoTANBgkqhkiG9w0BAQsFAAOCAQEA3TPXEfNjWDjdGBX7CVW+dla5cEilaUcne8IkCJLxWh9KEik3JHRRHGJo
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uM2VcGfl96S8TihRzZvoroed6ti6WqEBmtzw3Wodatg+VyOeph4EYpr/1wXKtx8/wApIvJSwtmVi4MFU5aMqrSDE6ea73Mj2tcMyo5jMd6jmeWUHK8so/joWUoHOUgwu
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X4Po1QYz+3dszkDqMp4fklxBwXRsW10KXzPMTZ+sOPAveyxindmjkW8lGy+QsRlGPfZ+G6Z6h7mjem0Y+iWlkYcV4PIWL1iwBi8saCbGS5jN2p8M+X+Q7UNKEkROb3N6
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KOqkqm57TH2H3eDJAkSnh6/DNFu0Qg==
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-----END CERTIFICATE-----
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)EOF";
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void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
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switch(type) {
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case WStype_DISCONNECTED:
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USE_SERIAL.printf("[WSc] Disconnected!\n");
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break;
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case WStype_CONNECTED:
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{
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USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload);
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// send message to server when Connected
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webSocket.sendTXT("Connected");
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}
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break;
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case WStype_TEXT:
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USE_SERIAL.printf("[WSc] get text: %s\n", payload);
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// send message to server
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// webSocket.sendTXT("message here");
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break;
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case WStype_BIN:
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USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
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hexdump(payload, length);
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// send data to server
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// webSocket.sendBIN(payload, length);
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break;
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}
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}
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void setup() {
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USE_SERIAL.begin(115200);
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USE_SERIAL.setDebugOutput(true);
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USE_SERIAL.println();
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USE_SERIAL.println();
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USE_SERIAL.println();
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for(uint8_t t = 4; t > 0; t--) {
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USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t);
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USE_SERIAL.flush();
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delay(1000);
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}
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WiFiMulti.addAP("SSID", "passpasspass");
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while(WiFiMulti.run() != WL_CONNECTED) {
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delay(100);
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}
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//When using BearSSL, client certificate and private key can be set:
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//webSocket.setSSLClientCertKey(clientCert, clientPrivateKey);
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//clientCert and clientPrivateKey can be of types (const char *, const char *) , or of types (BearSSL::X509List, BearSSL::PrivateKey)
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webSocket.beginSslWithCA("echo.websocket.org", 443, "/", ENDPOINT_CA_CERT);
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webSocket.onEvent(webSocketEvent);
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}
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void loop() {
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webSocket.loop();
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}
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