main-https-socket-reuse.cpp

00001 #include "select-demo.h"
00002 
00003 /**
00004  * This demo shows how to re-use sockets, so the TLS handshake only has to happen once
00005  */
00006 
00007 #if DEMO == DEMO_HTTPS_SOCKET_REUSE
00008 
00009 #include "mbed.h"
00010 #include "easy-connect.h"
00011 #include "https_request.h"
00012 
00013 Serial pc(USBTX, USBRX);
00014 
00015 /* List of trusted root CA certificates
00016  * currently one: Let's Encrypt, the CA for httpbin.org
00017  *
00018  * To add more root certificates, just concatenate them.
00019  */
00020 const char SSL_CA_PEM[] = "-----BEGIN CERTIFICATE-----\n"
00021     "MIIEkjCCA3qgAwIBAgIQCgFBQgAAAVOFc2oLheynCDANBgkqhkiG9w0BAQsFADA/\n"
00022     "MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n"
00023     "DkRTVCBSb290IENBIFgzMB4XDTE2MDMxNzE2NDA0NloXDTIxMDMxNzE2NDA0Nlow\n"
00024     "SjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUxldCdzIEVuY3J5cHQxIzAhBgNVBAMT\n"
00025     "GkxldCdzIEVuY3J5cHQgQXV0aG9yaXR5IFgzMIIBIjANBgkqhkiG9w0BAQEFAAOC\n"
00026     "AQ8AMIIBCgKCAQEAnNMM8FrlLke3cl03g7NoYzDq1zUmGSXhvb418XCSL7e4S0EF\n"
00027     "q6meNQhY7LEqxGiHC6PjdeTm86dicbp5gWAf15Gan/PQeGdxyGkOlZHP/uaZ6WA8\n"
00028     "SMx+yk13EiSdRxta67nsHjcAHJyse6cF6s5K671B5TaYucv9bTyWaN8jKkKQDIZ0\n"
00029     "Z8h/pZq4UmEUEz9l6YKHy9v6Dlb2honzhT+Xhq+w3Brvaw2VFn3EK6BlspkENnWA\n"
00030     "a6xK8xuQSXgvopZPKiAlKQTGdMDQMc2PMTiVFrqoM7hD8bEfwzB/onkxEz0tNvjj\n"
00031     "/PIzark5McWvxI0NHWQWM6r6hCm21AvA2H3DkwIDAQABo4IBfTCCAXkwEgYDVR0T\n"
00032     "AQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAYYwfwYIKwYBBQUHAQEEczBxMDIG\n"
00033     "CCsGAQUFBzABhiZodHRwOi8vaXNyZy50cnVzdGlkLm9jc3AuaWRlbnRydXN0LmNv\n"
00034     "bTA7BggrBgEFBQcwAoYvaHR0cDovL2FwcHMuaWRlbnRydXN0LmNvbS9yb290cy9k\n"
00035     "c3Ryb290Y2F4My5wN2MwHwYDVR0jBBgwFoAUxKexpHsscfrb4UuQdf/EFWCFiRAw\n"
00036     "VAYDVR0gBE0wSzAIBgZngQwBAgEwPwYLKwYBBAGC3xMBAQEwMDAuBggrBgEFBQcC\n"
00037     "ARYiaHR0cDovL2Nwcy5yb290LXgxLmxldHNlbmNyeXB0Lm9yZzA8BgNVHR8ENTAz\n"
00038     "MDGgL6AthitodHRwOi8vY3JsLmlkZW50cnVzdC5jb20vRFNUUk9PVENBWDNDUkwu\n"
00039     "Y3JsMB0GA1UdDgQWBBSoSmpjBH3duubRObemRWXv86jsoTANBgkqhkiG9w0BAQsF\n"
00040     "AAOCAQEA3TPXEfNjWDjdGBX7CVW+dla5cEilaUcne8IkCJLxWh9KEik3JHRRHGJo\n"
00041     "uM2VcGfl96S8TihRzZvoroed6ti6WqEBmtzw3Wodatg+VyOeph4EYpr/1wXKtx8/\n"
00042     "wApIvJSwtmVi4MFU5aMqrSDE6ea73Mj2tcMyo5jMd6jmeWUHK8so/joWUoHOUgwu\n"
00043     "X4Po1QYz+3dszkDqMp4fklxBwXRsW10KXzPMTZ+sOPAveyxindmjkW8lGy+QsRlG\n"
00044     "PfZ+G6Z6h7mjem0Y+iWlkYcV4PIWL1iwBi8saCbGS5jN2p8M+X+Q7UNKEkROb3N6\n"
00045     "KOqkqm57TH2H3eDJAkSnh6/DNFu0Qg==\n"
00046     "-----END CERTIFICATE-----\n";
00047 
00048 void dump_response(HttpResponse* res) {
00049     mbedtls_printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
00050 
00051     mbedtls_printf("Headers:\n");
00052     for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
00053         mbedtls_printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
00054     }
00055     mbedtls_printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
00056 }
00057 
00058 int main() {
00059     pc.baud(115200);
00060 
00061     NetworkInterface* network = easy_connect(true);
00062     if (!network) {
00063         return 1;
00064     }
00065 
00066     // Create a TLS socket (which holds a TCPSocket)
00067     printf("\n----- Setting up TLS connection -----\n");
00068 
00069     TLSSocket* socket = new TLSSocket(network, "httpbin.org", 443, SSL_CA_PEM);
00070     socket->set_debug(true);
00071     if (socket->connect() != 0) {
00072         printf("TLS Connect failed %d\n", socket->error());
00073         return 1;
00074     }
00075 
00076     // GET request to httpbin.org
00077     {
00078         HttpsRequest* get_req = new HttpsRequest(socket, HTTP_GET, "https://httpbin.org/status/418");
00079         get_req->set_debug(true);
00080 
00081         HttpResponse* get_res = get_req->send();
00082         if (!get_res) {
00083             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00084             return 1;
00085         }
00086         printf("\n----- HTTPS GET response -----\n");
00087         dump_response(get_res);
00088 
00089         delete get_req;
00090     }
00091 
00092     // POST request to httpbin.org
00093     {
00094         HttpsRequest* post_req = new HttpsRequest(socket, HTTP_POST, "https://httpbin.org/post");
00095         post_req->set_debug(true);
00096         post_req->set_header("Content-Type", "application/json");
00097 
00098         const char body[] = "{\"hello\":\"world\"}";
00099 
00100         HttpResponse* post_res = post_req->send(body, strlen(body));
00101         if (!post_res) {
00102             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00103             return 1;
00104         }
00105 
00106         printf("\n----- HTTPS POST response -----\n");
00107         dump_response(post_res);
00108 
00109         delete post_req;
00110     }
00111 
00112     delete socket;
00113 
00114     Thread::wait(osWaitForever);
00115 }
00116 
00117 #endif