main-https.cpp

00001 #define MBED_CONF_MBED_TRACE_ENABLE 1
00002 
00003 #include "select-demo.h"
00004 
00005 #if DEMO == DEMO_HTTPS
00006 
00007 #include "mbed.h"
00008 #include "mbed_trace.h"
00009 #include "https_request.h"
00010 #include "network-helper.h"
00011 #include "mbed_mem_trace.h"
00012 #include "HTS221Sensor.h"
00013 
00014 static DevI2C devI2c(PB_11,PB_10);
00015 static HTS221Sensor hum_temp(&devI2c);
00016 
00017 char* thingspark_URL = "https://api.thingspark.kr";
00018 char* thingspark_APIkey = "CHANGE API KEY";
00019 char urlBuffer[256];
00020 
00021 
00022 /* List of trusted root CA certificates
00023  * currently two: Amazon, the CA for os.mbed.com and Let's Encrypt, the CA for httpbin.org
00024  *
00025  * To add more root certificates, just concatenate them.
00026  */
00027 const char SSL_CA_PEM[] =  "-----BEGIN CERTIFICATE-----\n"
00028     "MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF\n"
00029     "ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6\n"
00030     "b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL\n"
00031     "MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv\n"
00032     "b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj\n"
00033     "ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM\n"
00034     "9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw\n"
00035     "IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6\n"
00036     "VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L\n"
00037     "93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm\n"
00038     "jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC\n"
00039     "AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA\n"
00040     "A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI\n"
00041     "U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs\n"
00042     "N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv\n"
00043     "o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU\n"
00044     "5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy\n"
00045     "rqXRfboQnoZsG4q5WTP468SQvvG5\n"
00046     "-----END CERTIFICATE-----\n"
00047     "-----BEGIN CERTIFICATE-----\n"
00048     "MIIEkjCCA3qgAwIBAgIQCgFBQgAAAVOFc2oLheynCDANBgkqhkiG9w0BAQsFADA/\n"
00049     "MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n"
00050     "DkRTVCBSb290IENBIFgzMB4XDTE2MDMxNzE2NDA0NloXDTIxMDMxNzE2NDA0Nlow\n"
00051     "SjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUxldCdzIEVuY3J5cHQxIzAhBgNVBAMT\n"
00052     "GkxldCdzIEVuY3J5cHQgQXV0aG9yaXR5IFgzMIIBIjANBgkqhkiG9w0BAQEFAAOC\n"
00053     "AQ8AMIIBCgKCAQEAnNMM8FrlLke3cl03g7NoYzDq1zUmGSXhvb418XCSL7e4S0EF\n"
00054     "q6meNQhY7LEqxGiHC6PjdeTm86dicbp5gWAf15Gan/PQeGdxyGkOlZHP/uaZ6WA8\n"
00055     "SMx+yk13EiSdRxta67nsHjcAHJyse6cF6s5K671B5TaYucv9bTyWaN8jKkKQDIZ0\n"
00056     "Z8h/pZq4UmEUEz9l6YKHy9v6Dlb2honzhT+Xhq+w3Brvaw2VFn3EK6BlspkENnWA\n"
00057     "a6xK8xuQSXgvopZPKiAlKQTGdMDQMc2PMTiVFrqoM7hD8bEfwzB/onkxEz0tNvjj\n"
00058     "/PIzark5McWvxI0NHWQWM6r6hCm21AvA2H3DkwIDAQABo4IBfTCCAXkwEgYDVR0T\n"
00059     "AQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAYYwfwYIKwYBBQUHAQEEczBxMDIG\n"
00060     "CCsGAQUFBzABhiZodHRwOi8vaXNyZy50cnVzdGlkLm9jc3AuaWRlbnRydXN0LmNv\n"
00061     "bTA7BggrBgEFBQcwAoYvaHR0cDovL2FwcHMuaWRlbnRydXN0LmNvbS9yb290cy9k\n"
00062     "c3Ryb290Y2F4My5wN2MwHwYDVR0jBBgwFoAUxKexpHsscfrb4UuQdf/EFWCFiRAw\n"
00063     "VAYDVR0gBE0wSzAIBgZngQwBAgEwPwYLKwYBBAGC3xMBAQEwMDAuBggrBgEFBQcC\n"
00064     "ARYiaHR0cDovL2Nwcy5yb290LXgxLmxldHNlbmNyeXB0Lm9yZzA8BgNVHR8ENTAz\n"
00065     "MDGgL6AthitodHRwOi8vY3JsLmlkZW50cnVzdC5jb20vRFNUUk9PVENBWDNDUkwu\n"
00066     "Y3JsMB0GA1UdDgQWBBSoSmpjBH3duubRObemRWXv86jsoTANBgkqhkiG9w0BAQsF\n"
00067     "AAOCAQEA3TPXEfNjWDjdGBX7CVW+dla5cEilaUcne8IkCJLxWh9KEik3JHRRHGJo\n"
00068     "uM2VcGfl96S8TihRzZvoroed6ti6WqEBmtzw3Wodatg+VyOeph4EYpr/1wXKtx8/\n"
00069     "wApIvJSwtmVi4MFU5aMqrSDE6ea73Mj2tcMyo5jMd6jmeWUHK8so/joWUoHOUgwu\n"
00070     "X4Po1QYz+3dszkDqMp4fklxBwXRsW10KXzPMTZ+sOPAveyxindmjkW8lGy+QsRlG\n"
00071     "PfZ+G6Z6h7mjem0Y+iWlkYcV4PIWL1iwBi8saCbGS5jN2p8M+X+Q7UNKEkROb3N6\n"
00072     "KOqkqm57TH2H3eDJAkSnh6/DNFu0Qg==\n"
00073     "-----END CERTIFICATE-----\n";
00074 
00075 void dump_response(HttpResponse* res) {
00076     printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
00077 
00078     printf("Headers:\n");
00079     for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
00080         printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
00081     }
00082     printf("\nBody (%lu bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
00083 }
00084 
00085 int main() {  
00086     unsigned int updateCnt=0;
00087     float hum_val=12, temp_val=34;  
00088     
00089     NetworkInterface* network = connect_to_default_network_interface();
00090     if (!network) {
00091         printf("Cannot connect to the network, see serial output\n");
00092         return 1;
00093     }
00094     
00095     printf("Successfully access to network\n\n");
00096  
00097     printf("MAC: %s\n", network->get_mac_address());
00098     printf("IP: %s\n", network->get_ip_address());
00099     printf("Netmask: %s\n", network->get_netmask());
00100     printf("Gateway: %s\n", network->get_gateway());
00101  
00102     printf("<< =========== Sensor check.. =========== >>\r\n");
00103     
00104     hum_temp.init(NULL);
00105     hum_temp.enable();
00106     
00107     mbed_trace_init();      
00108     
00109     // Do a GET request to thingspark.kr
00110     while(1){
00111         // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
00112         // To receive chunked response, pass in a callback as last parameter to the constructor.
00113  
00114         hum_temp.get_humidity(&hum_val);
00115         hum_temp.get_temperature(&temp_val);
00116         printf("HT221 hum: %.1f %, temp: %.1f C\n", hum_val, temp_val);
00117         sprintf(urlBuffer, "%s/update?apiKey=%s&field1=%.1f&field2=%.1f", thingspark_URL, thingspark_APIkey, hum_val, temp_val);
00118  
00119         printf("[DEBUG] %s\n", urlBuffer);
00120         
00121         HttpsRequest* get_req = new HttpsRequest(network, SSL_CA_PEM, HTTP_GET, urlBuffer);
00122 
00123         HttpResponse* get_res = get_req->send();
00124         if (!get_res) {
00125             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00126             return 1;
00127         }
00128         printf("\n----- HTTPS GET response -----\n");
00129         dump_response(get_res);
00130  
00131         delete get_req;
00132         printf("\nUpdate count %d (Every 30sec, data update to thingspark server)\n", updateCnt++);
00133         wait(30);
00134     }
00135 
00136 
00137 #if 0
00138     // GET request to os.mbed.com
00139     {
00140         printf("\n----- HTTPS GET request -----\n");
00141 
00142         HttpsRequest* get_req = new HttpsRequest(network, SSL_CA_PEM, HTTP_GET, "https://os.mbed.com/media/uploads/mbed_official/hello.txt");
00143 
00144         HttpResponse* get_res = get_req->send();
00145         if (!get_res) {
00146             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00147             return 1;
00148         }
00149         printf("\n----- HTTPS GET response -----\n");
00150         dump_response(get_res);
00151 
00152         delete get_req;
00153     }
00154 
00155     // POST request to httpbin.org
00156     {
00157         printf("\n----- HTTPS POST request -----\n");
00158 
00159         HttpsRequest* post_req = new HttpsRequest(network, SSL_CA_PEM, HTTP_POST, "https://httpbin.org/post");
00160         post_req->set_header("Content-Type", "application/json");
00161 
00162         const char body[] = "{\"hello\":\"world\"}";
00163 
00164         HttpResponse* post_res = post_req->send(body, strlen(body));
00165         if (!post_res) {
00166             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00167             return 1;
00168         }
00169 
00170         printf("\n----- HTTPS POST response -----\n");
00171         dump_response(post_res);
00172 
00173         delete post_req;
00174     }
00175 #endif
00176 
00177     wait(osWaitForever);
00178 }
00179 
00180 #endif