C

Frame.io - Upload an Asset

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Upload an asset to Frame.io C

#include <C_CkHttp.h>
#include <C_CkFileAccess.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>
#include <C_CkStringBuilder.h>
#include <C_CkBinData.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    const char *localFilePath;
    HCkFileAccess fac;
    int fileSize;
    HCkJsonObject json;
    HCkHttpResponse resp;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    int respStatusCode;
    int numChunks;
    int sizePerChunk;
    HCkBinData bd;
    HCkHttp httpForUpload;
    int i;
    const char *uploadUrl;

    success = FALSE;

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

    http = CkHttp_Create();

    // 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"
    // }

    localFilePath = "qa_data/mp4/rotating_earth.mp4";
    fac = CkFileAccess_Create();
    fileSize = CkFileAccess_FileSize(fac,localFilePath);

    json = CkJsonObject_Create();
    CkJsonObject_UpdateInt(json,"filesize",fileSize);
    CkJsonObject_UpdateString(json,"filetype","video/mp4");
    CkJsonObject_UpdateString(json,"name","rotating_earth7");
    CkJsonObject_UpdateString(json,"type","file");

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

    // Uploading to asset ID: 039845e8-bffe-4d6b-88d3-c780bae06342
    resp = CkHttpResponse_Create();
    success = CkHttp_HttpJson(http,"POST","https://api.frame.io/v2/assets/039845e8-bffe-4d6b-88d3-c780bae06342/children",json,"application/json",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkFileAccess_Dispose(fac);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        return;
    }

    sbResponseBody = CkStringBuilder_Create();
    CkHttpResponse_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttpResponse_getStatusCode(resp);
    printf("Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        printf("Response Header:\n");
        printf("%s\n",CkHttpResponse_header(resp));
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkFileAccess_Dispose(fac);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    // 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.
    numChunks = CkJsonObject_SizeOfArray(jResp,"upload_urls");
    sizePerChunk = (fileSize + numChunks - 1) / numChunks;

    printf("numChunks = %d\n",numChunks);
    printf("sizePerChunk = %d\n",sizePerChunk);

    success = CkFileAccess_OpenForRead(fac,localFilePath);
    if (success == FALSE) {
        printf("%s\n",CkFileAccess_lastErrorText(fac));
        CkHttp_Dispose(http);
        CkFileAccess_Dispose(fac);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    bd = CkBinData_Create();
    httpForUpload = CkHttp_Create();

    CkHttp_SetRequestHeader(httpForUpload,"x-amz-acl","private");

    i = 0;
    while ((i < numChunks)) {
        CkBinData_Clear(bd);
        success = CkFileAccess_ReadBlockBd(fac,i,sizePerChunk,bd);

        CkJsonObject_putI(jResp,i);
        uploadUrl = CkJsonObject_stringOf(jResp,"upload_urls[i]");

        // Send the chunk in a PUT:

        printf("PUT chunk %d\n",i + 1);
        printf("URL: %s\n",uploadUrl);

        // PUT https://frameio-uploads-production.s3/etc/etc
        // Content-Type: video/mp4
        // x-amz-acl: private
        success = CkHttp_HttpBd(httpForUpload,"PUT",uploadUrl,bd,"video/mp4",resp);
        if (success == FALSE) {
            printf("%s\n",CkHttp_lastErrorText(httpForUpload));
            CkHttp_Dispose(http);
            CkFileAccess_Dispose(fac);
            CkJsonObject_Dispose(json);
            CkHttpResponse_Dispose(resp);
            CkStringBuilder_Dispose(sbResponseBody);
            CkJsonObject_Dispose(jResp);
            CkBinData_Dispose(bd);
            CkHttp_Dispose(httpForUpload);
            return;
        }

        printf("response status: %d\n",CkHttpResponse_getStatusCode(resp));

        i = i + 1;
    }

    CkFileAccess_FileClose(fac);

    printf("File uploaded.\n");


    CkHttp_Dispose(http);
    CkFileAccess_Dispose(fac);
    CkJsonObject_Dispose(json);
    CkHttpResponse_Dispose(resp);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);
    CkBinData_Dispose(bd);
    CkHttp_Dispose(httpForUpload);

    }