(C++) Twilio: Send SMS using Basic Authentication

Demonstrates how to use Twilio to send an SMS message using Basic authentication.

For more information, see https://www.twilio.com/docs/sms/send-messages

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#include <CkRest.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    // Demonstrates how to use Basic Authentication in a REST API call for Twilio.
    // Sends an SMS text message..

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;

    // Use Basic Authentication.
    // Your Twilio Account SID is the username.
    // Your Twilio Auth Token is the password.
    bool success = rest.SetAuthBasic("TWILIO_ACCOUNT_SID","TWILIO_AUTH_TOKEN");

    // Make the initial connection (without sending a request yet) to Twilio.
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    success = rest.Connect("api.twilio.com",port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // Provide the information for the SMS text message:
    success = rest.AddQueryParam("To","+16518675309");
    success = rest.AddQueryParam("From","+15005550006");
    success = rest.AddQueryParam("Body","Hey Jenny! Good luck on the bar exam!");
    success = rest.AddQueryParam("MediaUrl","http://farm2.static.flickr.com/1075/1404618563_3ed9a44a3a.jpg");

    // Send the SMS text message.
    // Your Twilio Account SID is part of the URI path:
    const char *responseJson = rest.fullRequestFormUrlEncoded("POST","/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // When successful, the response status code will equal 201.
    if (rest.get_ResponseStatusCode() != 201) {
        // Examine the request/response to see what happened.
        std::cout << "response status code = " << rest.get_ResponseStatusCode() << "\r\n";
        std::cout << "response status text = " << rest.responseStatusText() << "\r\n";
        std::cout << "response header: " << rest.responseHeader() << "\r\n";
        std::cout << "response body (if any): " << responseJson << "\r\n";
        std::cout << "---" << "\r\n";
        std::cout << "LastRequestStartLine: " << rest.lastRequestStartLine() << "\r\n";
        std::cout << "LastRequestHeader: " << rest.lastRequestHeader() << "\r\n";
        return;
    }

    // The response is JSON.  We'll show how to get a few bits of information from it.
    // A full sample JSON response is shown below..

    CkJsonObject json;
    json.put_EmitCompact(false);
    success = json.Load(responseJson);

    // First show the entire JSON.
    std::cout << json.emit() << "\r\n";

    // Now get some individual pieces of information:
    std::cout << "sid: " << json.stringOf("sid") << "\r\n";
    std::cout << "body: " << json.stringOf("body") << "\r\n";
    std::cout << "media: " << json.stringOf("subresource_uris.media") << "\r\n";

    std::cout << "Success." << "\r\n";

    // Sample JSON response:

    // {
    //   "sid": "MM97ecfd43e9f24e99b0c2c6ee016949e3",
    //   "date_created": null,
    //   "date_updated": null,
    //   "date_sent": null,
    //   "account_sid": "112e1111e0151133d11112101111d1111",
    //   "to": "+16518675309",
    //   "from": "+15005550006",
    //   "messaging_service_sid": null,
    //   "body": "Sent from your Twilio trial account - Hey Jenny! Good luck on the bar exam!",
    //   "status": "queued",
    //   "num_segments": "1",
    //   "num_media": "0",
    //   "direction": "outbound-api",
    //   "api_version": "2010-04-01",
    //   "price": null,
    //   "price_unit": "USD",
    //   "error_code": null,
    //   "error_message": null,
    //   "uri": "/2010-04-01/Accounts/AC2e9b6bc0f51133df24926f07341d3824/Messages/MM97ecfd43e9f24e99b0c2c6ee016949e3.json",
    //   "subresource_uris": {
    //     "media": "/2010-04-01/Accounts/AC2e9b6bc0f51133df24926f07341d3824/Messages/MM97ecfd43e9f24e99b0c2c6ee016949e3/Media.json"
    //   }
    // }
    }