(Unicode C) Create a Google Cloud Storage Bucket

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Demonstrates how to create a Google Cloud Storage bucket.

Chilkat C/C++ Library Downloads
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#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkDateTimeW.h>

void ChilkatSample(void)
    {
    HCkStringBuilderW sbToken;
    HCkJsonObjectW json;
    HCkHttpW http;
    const wchar_t *url;
    HCkHttpResponseW resp;
    int responseCode;
    HCkJsonObjectW jsonResp;
    HCkDateTimeW dt;

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

    // This example uses a previously obtained access token having permission for the 
    // scope "https://www.googleapis.com/auth/cloud-platform"

    // In this example, Get Google Cloud Storage OAuth2 Access Token, 
    // the service account access token was saved to a text file.  This example fetches the access token from the file..
    sbToken = CkStringBuilderW_Create();
    CkStringBuilderW_LoadFile(sbToken,L"qa_data/tokens/googleCloudStorageAccessToken.txt",L"utf-8");

    // ---- Step 1
    // Create a JSON that contains the following information, replacing [VALUES_IN_BRACKETS] with the appropriate values:

    // {
    //   "name": "[BUCKET_NAME]",
    //   "location": "[BUCKET_LOCATION]",
    //   "storageClass": "[STORAGE_CLASS]"
    // }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"name",L"chilkat-ocean");
    CkJsonObjectW_UpdateString(json,L"location",L"us");
    CkJsonObjectW_UpdateString(json,L"storageClass",L"multi_regional");

    // ---- Step 2
    // Send a POST equivalent to this curl command

    // curl -X POST --data-binary @[JSON_FILE_NAME].json \
    //      -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    //      -H "Content-Type: application/json" \
    //      "https://www.googleapis.com/storage/v1/b?project=[PROJECT_ID]"

    http = CkHttpW_Create();
    CkHttpW_putAuthToken(http,CkStringBuilderW_getAsString(sbToken));

    CkHttpW_SetUrlVar(http,L"project_id",L"chilkat-176611");
    url = L"https://www.googleapis.com/storage/v1/b?project={$project_id}";
    resp = CkHttpW_PostJson3(http,url,L"application/json",json);
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkStringBuilderW_Dispose(sbToken);
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        return;
    }

    responseCode = CkHttpResponseW_getStatusCode(resp);
    if (responseCode == 401) {
        wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
        wprintf(L"If invalid credentials, then it is likely the access token expired.\n");
        wprintf(L"Your app should automatically fetch a new access token and re-try.\n");
        CkHttpResponseW_Dispose(resp);
        CkStringBuilderW_Dispose(sbToken);
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        return;
    }

    wprintf(L"Response code: %d\n",responseCode);
    wprintf(L"Response body\n");
    wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));

    // A successful response looks like this:
    // Response code: 200
    // Response body
    // {
    //  "kind": "storage#bucket",
    //  "id": "chilkat-ocean",
    //  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean",
    //  "projectNumber": "933037264567",
    //  "name": "chilkat-ocean",
    //  "timeCreated": "2017-08-13T12:27:10.811Z",
    //  "updated": "2017-08-13T12:27:10.811Z",
    //  "metageneration": "1",
    //  "location": "US",
    //  "storageClass": "MULTI_REGIONAL",
    //  "etag": "CAE="
    // }
    // 

    // Parse the JSON response:
    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_Load(jsonResp,CkHttpResponseW_bodyStr(resp));

    wprintf(L"name: %s\n",CkJsonObjectW_stringOf(jsonResp,L"name"));
    wprintf(L"timeCreated: %s\n",CkJsonObjectW_stringOf(jsonResp,L"timeCreated"));

    CkHttpResponseW_Dispose(resp);

    // Parse the date/time created.
    dt = CkDateTimeW_Create();
    CkDateTimeW_SetFromTimestamp(dt,CkJsonObjectW_stringOf(jsonResp,L"timeCreated"));
    // ...


    CkStringBuilderW_Dispose(sbToken);
    CkJsonObjectW_Dispose(json);
    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(jsonResp);
    CkDateTimeW_Dispose(dt);

    }