PureBasic

Create a Google Cloud Storage Bucket

See more Google Cloud Storage Examples

Demonstrates how to create a Google Cloud Storage bucket. PureBasic

IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkDateTime.pb"

Procedure ChilkatExample()

    success.i = 0

    ; 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.i = CkStringBuilder::ckCreate()
    If sbToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckLoadFile(sbToken,"qa_data/tokens/googleCloudStorageAccessToken.txt","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.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"name","chilkat-ocean")
    CkJsonObject::ckUpdateString(json,"location","us")
    CkJsonObject::ckUpdateString(json,"storageClass","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.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkAuthToken(http, CkStringBuilder::ckGetAsString(sbToken))

    CkHttp::ckSetUrlVar(http,"project_id","chilkat-176611")
    url.s = "https://www.googleapis.com/storage/v1/b?project={$project_id}"
    resp.i = CkHttpResponse::ckCreate()
    If resp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckHttpJson(http,"POST",url,json,"application/json",resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkStringBuilder::ckDispose(sbToken)
        CkJsonObject::ckDispose(json)
        CkHttp::ckDispose(http)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    responseCode.i = CkHttpResponse::ckStatusCode(resp)
    If responseCode = 401
        Debug CkHttpResponse::ckBodyStr(resp)
        Debug "If invalid credentials, then it is likely the access token expired."
        Debug "Your app should automatically fetch a new access token and re-try."
        CkStringBuilder::ckDispose(sbToken)
        CkJsonObject::ckDispose(json)
        CkHttp::ckDispose(http)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    Debug "Response code: " + Str(responseCode)
    Debug "Response body"
    Debug CkHttpResponse::ckBodyStr(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.i = CkJsonObject::ckCreate()
    If jsonResp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoad(jsonResp,CkHttpResponse::ckBodyStr(resp))

    Debug "name: " + CkJsonObject::ckStringOf(jsonResp,"name")
    Debug "timeCreated: " + CkJsonObject::ckStringOf(jsonResp,"timeCreated")

    ; Parse the date/time created.
    dt.i = CkDateTime::ckCreate()
    If dt.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkDateTime::ckSetFromTimestamp(dt,CkJsonObject::ckStringOf(jsonResp,"timeCreated"))
    ; ...


    CkStringBuilder::ckDispose(sbToken)
    CkJsonObject::ckDispose(json)
    CkHttp::ckDispose(http)
    CkHttpResponse::ckDispose(resp)
    CkJsonObject::ckDispose(jsonResp)
    CkDateTime::ckDispose(dt)


    ProcedureReturn
EndProcedure