Unicode C Stripe: Create a File Upload

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Uploads a file to Stripe.

Documentation: https://stripe.com/docs/api/curl#create_file_upload

CURL Command

curl https://files.stripe.com/v1/files \
   -u STRIPE_SECRET_KEY: \
   -F purpose=dispute_evidence \
   -F file="@/path/to/a/file.jpg"

Unicode C Example

#include <C_CkRestW.h>
#include <C_CkStreamW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL success;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkStreamW fileStream2;
    const wchar_t *strResponseBody;
    HCkJsonObjectW jsonResponse;
    const wchar_t *id;
    const wchar_t *object;
    int created;
    const wchar_t *filename;
    const wchar_t *purpose;
    int size;
    const wchar_t *type;
    const wchar_t *url;

    rest = CkRestW_Create();

    //  URL: https://files.stripe.com/v1/files
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"files.stripe.com",port,bTls,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"ConnectFailReason: %d\n",CkRestW_getConnectFailReason(rest));
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        return;
    }

    CkRestW_SetAuthBasic(rest,L"STRIPE_SECRET_KEY",L"");

    CkRestW_putPartSelector(rest,L"1");
    CkRestW_AddHeader(rest,L"Content-Disposition",L"form-data; name=\"purpose\"");
    CkRestW_SetMultipartBodyString(rest,L"dispute_evidence");

    CkRestW_putPartSelector(rest,L"2");
    fileStream2 = CkStreamW_Create();
    CkStreamW_putSourceFile(fileStream2,L"/path/to/a/file.jpg");
    CkRestW_AddHeader(rest,L"Content-Disposition",L"form-data; name=\"/path/to/a/file.jpg\"; filename=\"/path/to/a/file.jpg\"");
    CkRestW_AddHeader(rest,L"Content-Type",L"image/jpeg");
    CkRestW_SetMultipartBodyStream(rest,fileStream2);

    CkRestW_putPartSelector(rest,L"0");

    CkRestW_AddHeader(rest,L"Expect",L"100-continue");

    strResponseBody = CkRestW_fullRequestMultipart(rest,L"POST",L"/v1/files");
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkStreamW_Dispose(fileStream2);
        return;
    }

    jsonResponse = CkJsonObjectW_Create();
    CkJsonObjectW_Load(jsonResponse,strResponseBody);

    id = CkJsonObjectW_stringOf(jsonResponse,L"id");
    object = CkJsonObjectW_stringOf(jsonResponse,L"object");
    created = CkJsonObjectW_IntOf(jsonResponse,L"created");
    filename = CkJsonObjectW_stringOf(jsonResponse,L"filename");
    purpose = CkJsonObjectW_stringOf(jsonResponse,L"purpose");
    size = CkJsonObjectW_IntOf(jsonResponse,L"size");
    type = CkJsonObjectW_stringOf(jsonResponse,L"type");
    url = CkJsonObjectW_stringOf(jsonResponse,L"url");


    CkRestW_Dispose(rest);
    CkStreamW_Dispose(fileStream2);
    CkJsonObjectW_Dispose(jsonResponse);

    }

Sample JSON Response Body

{
  "id": "file_1BnEEuGswQrCoh0XqB3XkqAg",
  "object": "file_upload",
  "created": 1516661888,
  "filename": "path",
  "purpose": "sigma_scheduled_query",
  "size": 500,
  "type": "csv",
  "url": "https://stripe-upload-api.s3.amazonaws.com/uploads/file_1BnEEuGswQrCoh0XqB3XkqAg?AWSAccessKeyId=KEY_ID\u0026Expires=TIMESTAMP\u0026Signature=SIGNATURE"
}