C
C
Upload String to Dropbox
See more Dropbox Examples
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).Chilkat C Downloads
#include <C_CkRest.h>
#include <C_CkJsonObject.h>
#include <C_CkDateTime.h>
#include <C_CkDtObj.h>
void ChilkatSample(void)
{
BOOL success;
HCkRest rest;
const char *content;
HCkJsonObject json;
const char *responseStr;
HCkJsonObject jsonResp;
int size;
const char *rev;
const char *clientModified;
HCkDateTime ckdt;
BOOL bLocalTime;
HCkDtObj dt;
success = FALSE;
// 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 == FALSE) {
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) == FALSE) {
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 = CkDtObj_Create();
CkDateTime_ToDtObj(ckdt,bLocalTime,dt);
printf("%d/%d/%d %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));
CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkJsonObject_Dispose(jsonResp);
CkDateTime_Dispose(ckdt);
CkDtObj_Dispose(dt);
}