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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/**
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BasicHTTPSClient.ino
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Created on: 20.08.2018
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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 <ESP8266HTTPClient.h>
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#include <WiFiClientSecureBearSSL.h>
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#include "certs.h"
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#ifndef STASSID
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#define STASSID "your-ssid"
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#define STAPSK "your-password"
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#endif
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ESP8266WiFiMulti 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(STASSID, STAPSK);
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Serial.println("setup() done connecting to ssid '" STASSID "'");
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}
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void loop() {
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// wait for WiFi connection
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if ((WiFiMulti.run() == WL_CONNECTED)) {
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auto certs = std::make_unique<BearSSL::X509List>(cert_Cloudflare_Inc_ECC_CA_3);
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auto client = std::make_unique<BearSSL::WiFiClientSecure>();
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client->setTrustAnchors(certs.get());
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// Or, if you prefer to use fingerprinting:
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// client->setFingerprint(fingerprint_w3_org);
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// This is *not* a recommended option, as fingerprint changes with the host certificate
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// Or, if you are *absolutely* sure it is ok to ignore the SSL certificate:
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// client->setInsecure();
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HTTPClient https;
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Serial.print("[HTTPS] begin...\n");
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if (https.begin(*client, jigsaw_host, jigsaw_port)) { // 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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// String payload = https.getString(1024); // optionally pre-reserve string to avoid reallocations in chunk mode
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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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}
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Serial.println("Wait 10s before next round...");
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delay(10000);
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}
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