how to read HTTPS url

Using Arduino Project Guidance
1

i am having problem reading a https url. can someone guide me in a making a correct https url request header. I have pasted the code and its output below.
Thankyou

CODE:

#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>

const char* ssid = "DZ_Zone7_2GH";
const char* password = "DOTZERO_Mar2016";

const char* host = "0c66sw.internetofthings.ibmcloud.com";
const int httpsPort = 443;

// Use web browser to view and copy
// SHA1 fingerprint of the certificate
const char* fingerprint = "CF 05 98 89 CA FF 8E D8 5E 5C E0 C2 E4 F7 E6 C3 C7 50 DD 5C";

void setup() {
Serial.begin(115200);
Serial.println();
Serial.print("connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());

// Use WiFiClientSecure class to create TLS connection
WiFiClientSecure client;
Serial.print("connecting to ");
Serial.println(host);
if (!client.connect(host, httpsPort)) {
Serial.println("connection failed");
return;
}

if (client.verify(fingerprint, host)) {
Serial.println("certificate matches");
} else {
Serial.println("certificate doesn't match");
}

String url = "/api/v0002/device/types/ESP8266/devices/18FE34D39CBC/events/stats";
Serial.print("requesting URL: ");
Serial.println(url);

client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Content-Type: Application/x-www-form-urlencoded \r\n" +
"Authorization: Bearer YS0wYzY2c3ctOTR1ZXhpcWlzMzpRIVVzKSpDSVl6N1lEKFNES20= \r\n" +
"Connection: close\r\n\r\n");

Serial.println("request sent");
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
Serial.println("headers received");
break;
}
}
String line = client.readStringUntil('\n');
if (line.startsWith("{"typeId":"ESP8266"")) {
Serial.println("esp8266/Arduino CI successfull!");
} else {
Serial.println("esp8266/Arduino CI has failed");
}
Serial.println("reply was:");
Serial.println("==========");
Serial.println(line);
Serial.println("==========");
Serial.println("closing connection");
}

void loop() {
}

OUTPUT:
connecting to DZ_Zone7_2GH
...
WiFi connected
IP address:
10.0.0.36
connecting to 0c66sw.internetofthings.ibmcloud.com
certificate doesn't match
requesting URL: /api/v0002/device/types/ESP8266/devices/18FE34D39CBC/events/stats
request sent
headers received
esp8266/Arduino CI has failed
reply was:

==========
closing connection

2

Hi,
Welcome to the forum.

Please read the first post in any forum entitled how to use this forum.
http://forum.arduino.cc/index.php/topic,148850.0.html then look down to item #7 about how to post your code.
It will be formatted in a scrolling window that makes it easier to read.

Thanks.. Tom.. :slight_smile:

3

can someone guide me in a making a correct https url request header.

Start with different hardware. The Arduino does not have enough memory to do https.

4

PaulS:
Start with different hardware. The Arduino does not have enough memory to do https.

Will arduino MEGA2560 will do the thing?

5

WiFiClientSecure()

Apparently works on the ESP8266 which has significantly more memory. Might wish to give that platform a try using the igrr core from here.

An example of a REST implementation is here:
REST Example

Ray