Francois Berder / Mbed 2 deprecated HTTPSClientExample

Connect to twitter.com and copies this webpage to a file.

Dependencies:   EthernetInterface3 HTTPSClient TLS_axTLS mbed-rtos mbed

This example shows how to use the HTTPSClient library by copying the content of this webpage to a file. Before running this program, you must download these certificates and copy them to the mbed. After running this program, a file called index.htm has been created and you can open it with your favorite browser to display the webpage the mbed have just downloaded.

main.cpp@0:d6829ea0374e, 2013-09-04 (annotated)

Committer:
feb11
Date:
Wed Sep 04 13:40:42 2013 +0000
Revision:
0:d6829ea0374e
Child:
1:ff73b1545aaa
initial import

Who changed what in which revision?

UserRevisionLine numberNew contents of line
feb11 0:d6829ea0374e 1 #include "mbed.h"
feb11 0:d6829ea0374e 2 #include "EthernetInterface.h"
feb11 0:d6829ea0374e 3 #include "CertificateManager.h"
feb11 0:d6829ea0374e 4 #include "HTTPSClient.h"
feb11 0:d6829ea0374e 5
feb11 0:d6829ea0374e 6 const char host[] = "mbed.org";
feb11 0:d6829ea0374e 7 const char request[] = "/";
feb11 0:d6829ea0374e 8 LocalFileSystem local("local");
feb11 0:d6829ea0374e 9
feb11 0:d6829ea0374e 10 int main()
feb11 0:d6829ea0374e 11 {
feb11 0:d6829ea0374e 12 EthernetInterface eth;
feb11 0:d6829ea0374e 13 if(eth.init() || eth.connect())
feb11 0:d6829ea0374e 14 {
feb11 0:d6829ea0374e 15 printf("Error with EthernetInterface\n\r");
feb11 0:d6829ea0374e 16 return -1;
feb11 0:d6829ea0374e 17 }
feb11 0:d6829ea0374e 18
feb11 0:d6829ea0374e 19 printf("IP address is %s\n\r", eth.getIPAddress());
feb11 0:d6829ea0374e 20
feb11 0:d6829ea0374e 21 CertificateManager::add("/local/cert1.der");
feb11 0:d6829ea0374e 22 CertificateManager::add("/local/cert2.der");
feb11 0:d6829ea0374e 23 CertificateManager::add("/local/cert3.der");
feb11 0:d6829ea0374e 24 CertificateManager::add("/local/cert4.der");
feb11 0:d6829ea0374e 25 if(!CertificateManager::load(true))
feb11 0:d6829ea0374e 26 {
feb11 0:d6829ea0374e 27 printf("Failed to load certificates\n");
feb11 0:d6829ea0374e 28 return -1;
feb11 0:d6829ea0374e 29 }
feb11 0:d6829ea0374e 30
feb11 0:d6829ea0374e 31 HTTPSClient client;
feb11 0:d6829ea0374e 32 if(!client.connect(host))
feb11 0:d6829ea0374e 33 {
feb11 0:d6829ea0374e 34 printf("Failed to connect to %s\n", host);
feb11 0:d6829ea0374e 35 return -1;
feb11 0:d6829ea0374e 36 }
feb11 0:d6829ea0374e 37
feb11 0:d6829ea0374e 38 char buffer[256];
feb11 0:d6829ea0374e 39 int bufferLength = sizeof(buffer)-1;
feb11 0:d6829ea0374e 40 HTTPHeader header;
feb11 0:d6829ea0374e 41 int read = client.get(request, &header, buffer, bufferLength);
feb11 0:d6829ea0374e 42 if(header.getStatus() != HTTP_OK || read < 0)
feb11 0:d6829ea0374e 43 {
feb11 0:d6829ea0374e 44 printf("Failed sending GET request : %s to %s", request, host);
feb11 0:d6829ea0374e 45 return -1;
feb11 0:d6829ea0374e 46 }
feb11 0:d6829ea0374e 47
feb11 0:d6829ea0374e 48 buffer[read] ='\0';
feb11 0:d6829ea0374e 49 printf("%s", buffer);
feb11 0:d6829ea0374e 50 int totalRead = read;
feb11 0:d6829ea0374e 51 while(totalRead < header.getBodyLength())
feb11 0:d6829ea0374e 52 {
feb11 0:d6829ea0374e 53 if(bufferLength > header.getBodyLength() - totalRead)
feb11 0:d6829ea0374e 54 bufferLength = header.getBodyLength() - totalRead;
feb11 0:d6829ea0374e 55
feb11 0:d6829ea0374e 56 read = client.get("", NULL, buffer, bufferLength);
feb11 0:d6829ea0374e 57 buffer[read] ='\0';
feb11 0:d6829ea0374e 58 printf("%s", buffer);
feb11 0:d6829ea0374e 59 totalRead += read;
feb11 0:d6829ea0374e 60 }
feb11 0:d6829ea0374e 61
feb11 0:d6829ea0374e 62 printf("Disconnecting from %s\n", host);
feb11 0:d6829ea0374e 63 client.disconnect();
feb11 0:d6829ea0374e 64 eth.disconnect();
feb11 0:d6829ea0374e 65
feb11 0:d6829ea0374e 66 return 0;
feb11 0:d6829ea0374e 67 }