(C++) Frame.io - Upload an Asset

Upload an asset to Frame.io

For more information, see https://docs.frame.io/docs/uploading-assets

Chilkat C/C++ Library Downloads
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#include <CkHttp.h>
#include <CkFileAccess.h>
#include <CkJsonObject.h>
#include <CkHttpResponse.h>
#include <CkStringBuilder.h>
#include <CkBinData.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;
    bool success;

    // Implements the following CURL command:

    // curl --request POST \
    //   --url https://api.frame.io/v2/assets/<ASSET_ID>/children \
    //   --header 'authorization: Bearer <FRAME_IO_DEV_TOKEN>' \
    //   --header 'content-type: application/json' \
    //   --data '{"filesize":1570024 ,"filetype":"video/mp4","name":"rotating_earth","type":"file"}'

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "filesize": 1570024,
    //   "filetype": "video/mp4",
    //   "name": "rotating_earth",
    //   "type": "file"
    // }

    const char *localFilePath = "qa_data/mp4/rotating_earth.mp4";
    CkFileAccess fac;
    int fileSize = fac.FileSize(localFilePath);

    CkJsonObject json;
    json.UpdateInt("filesize",fileSize);
    json.UpdateString("filetype","video/mp4");
    json.UpdateString("name","rotating_earth7");
    json.UpdateString("type","file");

    http.SetRequestHeader("content-type","application/json");
    // Adds the "Authorization: Bearer <FRAME_IO_DEV_TOKEN>" header.
    http.put_AuthToken("<FRAME_IO_DEV_TOKEN>");

    // Uploading to asset ID: 039845e8-bffe-4d6b-88d3-c780bae06342
    CkHttpResponse *resp = http.PostJson3("https://api.frame.io/v2/assets/039845e8-bffe-4d6b-88d3-c780bae06342/children","application/json",json);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    std::cout << "Response Body:" << "\r\n";
    std::cout << jResp.emit() << "\r\n";

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    delete resp;

    // Upload in chunks to the pre-signed S3 upload URLs.
    // There are ways to do this in parallel, but for simplicity we'll show how to upload
    // one chunk after another.
    int numChunks = jResp.SizeOfArray("upload_urls");
    int sizePerChunk = (fileSize + numChunks - 1) / numChunks;

    std::cout << "numChunks = " << numChunks << "\r\n";
    std::cout << "sizePerChunk = " << sizePerChunk << "\r\n";

    success = fac.OpenForRead(localFilePath);
    if (success == false) {
        std::cout << fac.lastErrorText() << "\r\n";
        return;
    }

    CkBinData bd;
    CkHttp httpForUpload;

    httpForUpload.SetRequestHeader("x-amz-acl","private");

    int i = 0;
    while ((i < numChunks)) {
        bd.Clear();
        success = fac.ReadBlockBd(i,sizePerChunk,bd);

        jResp.put_I(i);
        const char *uploadUrl = jResp.stringOf("upload_urls[i]");

        // Send the chunk in a PUT:

        std::cout << "PUT chunk " << (i + 1) << "\r\n";
        std::cout << "URL: " << uploadUrl << "\r\n";

        // PUT https://frameio-uploads-production.s3/etc/etc
        // Content-Type: video/mp4
        // x-amz-acl: private

        resp = httpForUpload.PBinaryBd("PUT",uploadUrl,bd,"video/mp4",false,false);
        if (httpForUpload.get_LastMethodSuccess() == false) {
            std::cout << httpForUpload.lastErrorText() << "\r\n";
            return;
        }

        std::cout << "response status: " << resp->get_StatusCode() << "\r\n";

        delete resp;

        i = i + 1;
    }

    fac.FileClose();

    std::cout << "File uploaded." << "\r\n";
    }