Chilkat Examples

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Swift 2 Examples

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(Swift 2) Google Drive Insert Permission

This example demonstrates how to insert a permission for a file (see https://developers.google.com/drive/v2/reference/permissions/insert)

The impetus for creating this example was a need to be able to view files uploaded using a service account key in the Google Drive web interface. When using a service account access token, the files your application will see are those for the service account, and not the files for your main account. For example, the Google Account I use for testing has a username of "support@chilkatcloud.com". (Don't send email to support@chilkatcloud.com, it's just use for testing and not interactively read.) I use "support@chilkatcloud.com" when I log into Google interactively to view files in Google Drive at https://drive.google.com/drive/my-drive.

The files I upload to Google Drive using a service account key won't be visible in the browser UI. To make them visible, you need to insert a permission for the file so that the main user account, which in this case is "support@chilkatcloud.com", is a reader. After the permission is inserted, the file will be visible under "Shared with me" -- as if another Google Drive account shared the file with you.

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    var success: Bool = true

    // It 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 
    // Google Drive scope.

    let gAuth = CkoAuthGoogle()
    gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

    let rest = CkoRest()

    // Connect using TLS.
    var bAutoReconnect: Bool = true
    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: bAutoReconnect)

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthGoogle(gAuth)

    rest.AddHeader("Content-Type", value: "application/json; charset=UTF-8")

    let json = CkoJsonObject()
    json.AppendString("role", value: "reader")
    json.AppendString("type", value: "user")
    json.AppendString("value", value: "support@chilkatcloud.com")

    // A note from a Chilkat customer:
    // 
    //   My coding attempt was frustrated because I tried a role of "owner".
    //   Even when providing the extra parameter of ...?transferOwnership=true
    //   that approach fails (400, Bad Request).
    // 

    // This example is inserting a permission for the file whose fileId is "0By-hrxCCDzSQUGxJY0hzNUFpNmc".
    var jsonResponse: String? = rest.FullRequestString("POST", uriPath: "/drive/v2/files/0By-hrxCCDzSQUGxJY0hzNUFpNmc/permissions", bodyText: json.Emit())
    if rest.LastMethodSuccess != true {
        print("\(rest.LastErrorText)")
        return
    }

    // A successful response will have a status code equal to 200.
    if rest.ResponseStatusCode.intValue != 200 {
        print("response status code = \(rest.ResponseStatusCode.intValue)")
        print("response status text = \(rest.ResponseStatusText)")
        print("response header: \(rest.ResponseHeader)")
        print("response JSON: \(jsonResponse!)")
        return
    }

    // Show the JSON response.
    json.Load(jsonResponse)

    // Show the full JSON response.
    json.EmitCompact = false
    print("\(json.Emit())")

    print("Success.")

}

 

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