(C) Upload String to Dropbox

Uploads a string to a file on Dropbox. This example can upload content up to 150MB, assuming a 150MB string fits in memory for your app. Larger files must be uploaded with an upload session (upload_session/start).

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#include <C_CkRest.h>
#include <C_CkJsonObject.h>
#include <C_CkDateTime.h>
#include <C_CkDtObj.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL success;
    const char *content;
    HCkJsonObject json;
    const char *responseStr;
    HCkJsonObject jsonResp;
    int size;
    const char *rev;
    const char *clientModified;
    HCkDateTime ckdt;
    BOOL bLocalTime;
    HCkDtObj dt;

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

    // A Dropbox access token should have been previously obtained.
    // Dropbox access tokens do not expire.
    // See Dropbox Access Token.

    rest = CkRest_Create();

    // Connect to Dropbox
    success = CkRest_Connect(rest,"content.dropboxapi.com",443,TRUE,TRUE);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        return;
    }

    // Add request headers.
    CkRest_AddHeader(rest,"Content-Type","application/octet-stream");
    CkRest_AddHeader(rest,"Authorization","Bearer DROPBOX_ACCESS_TOKEN");

    // The upload "parameters" contained in JSON passed in an HTTP request header.
    // This is the JSON to be added in this example:
    // { 
    //    "path": "/jack.txt",
    //    "mode": "add",
    //    "autorename": true,
    //    "mute": false
    // }

    // This will be the content of the file created in Dropbox.
    content = "All work and no play makes Jack a dull boy";

    json = CkJsonObject_Create();
    CkJsonObject_AppendString(json,"path","/jack.txt");
    CkJsonObject_AppendString(json,"mode","add");
    CkJsonObject_AppendBool(json,"autorename",TRUE);
    CkJsonObject_AppendBool(json,"mute",FALSE);
    CkRest_AddHeader(rest,"Dropbox-API-Arg",CkJsonObject_emit(json));

    // Do the upload.  The URL is https://content.dropboxapi.com/2/files/upload.
    // We already connected to content.dropboxapi.com using TLS (i.e. HTTPS),
    // so now we only need to specify the path "/2/files/upload".

    responseStr = CkRest_fullRequestString(rest,"POST","/2/files/upload",content);
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkJsonObject_Dispose(json);
        return;
    }

    // When successful, Dropbox responds with a 200 response code.
    if (CkRest_getResponseStatusCode(rest) != 200) {
        // Examine the request/response to see what happened.
        printf("response status code = %d\n",CkRest_getResponseStatusCode(rest));
        printf("response status text = %s\n",CkRest_responseStatusText(rest));
        printf("response header: %s\n",CkRest_responseHeader(rest));
        printf("response body (if any): %s\n",responseStr);
        printf("---\n");
        printf("LastRequestStartLine: %s\n",CkRest_lastRequestStartLine(rest));
        printf("LastRequestHeader: %s\n",CkRest_lastRequestHeader(rest));
        CkRest_Dispose(rest);
        CkJsonObject_Dispose(json);
        return;
    }

    printf("LastRequestHeader: %s\n",CkRest_lastRequestHeader(rest));

    // The response is JSON.
    jsonResp = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(jsonResp,FALSE);
    CkJsonObject_Load(jsonResp,responseStr);

    // Show the JSON response.
    printf("%s\n",CkJsonObject_emit(jsonResp));

    // Returns JSON that looks like this:
    // { 
    //  "name": "jack.txt",
    //  "path_lower": "/jack.txt",
    //  "path_display": "/jack.txt",
    //  "id": "id:yqx4-tE_NKAAAAAAAAAAAQ",
    //  "client_modified": "2016-06-02T20:42:11Z",
    //  "server_modified": "2016-06-02T20:42:11Z",
    //  "rev": "8482db15f",
    //  "size": 42
    // }

    // Sample code to get data from the JSON response:
    size = CkJsonObject_IntOf(jsonResp,"size");
    printf("size = %d\n",size);

    rev = CkJsonObject_stringOf(jsonResp,"rev");
    printf("rev = %s\n",rev);

    clientModified = CkJsonObject_stringOf(jsonResp,"client_modified");
    ckdt = CkDateTime_Create();
    CkDateTime_SetFromTimestamp(ckdt,clientModified);
    bLocalTime = TRUE;
    dt = CkDateTime_GetDtObj(ckdt,bLocalTime);
    printf("%d/%d/%d %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));
    CkDtObj_Dispose(dt);


    CkRest_Dispose(rest);
    CkJsonObject_Dispose(json);
    CkJsonObject_Dispose(jsonResp);
    CkDateTime_Dispose(ckdt);

    }