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Service Accounts

You can use assets from your service account in web applications. This topic describes how you can obtain a private key and an access token to allow your users to work with your Google Drive assets.

Getting a Private Key

To enable your images in Customer's Canvas, you need to delegate domain-wide authority to your service account and download a private key. For an existing service account, you can perform this on the Service accounts page. Also, you can get a private key when creating a new service account. Select Furnish a new private key and click Save to start downloading your private key.

Creating service accounts.

After you have downloaded a JSON file with your private key, copy the private_key field and save it to a separate file in the PKCS #8 format, for example:

Later, you will specify a path to this file (as ServiceAccountKeyPath) in Web.config of the Google Drive web service.

For more details about creating a Google service account, you can refer to the following instructions: https://developers.google.com/identity/protocols/OAuth2ServiceAccount

Generating a Customer's Canvas Token

For your service account, you can generate a token by using the getToken(userId) method of the Google Drive web service.

URL: /api/source/gettoken?userid={userId}

Request type: [GET]

URL param: userId=[string] - an email allowing you to impersonate users

Success response:

1BC29B36F623BA82AAF6724FD3B16718

Example of usage:

JavaScript

$.ajax("https://localhost:44352/api/source/gettoken?userid=john@example.com", {
    type: "GET",
    headers: { "X-GoogleDriveAPIKey": "myapikey" },
    contentType: 'application/json; charset=utf-8',
    success: function(token) { 
        console.log(token);
    }
});

To initialize the Customer's Canvas editor, you should pass the generated value as the token property of the assetSources configuration.

json

{
  "assetSources": {
    "[source]Google Drive": {
      "type": "RemoteSource",
      "url": "https://example.com:3124/",
      "requestParams": {
        "token": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
      }
    }
  }

Service Accounts

Getting a Private Key

Generating a Customer's Canvas Token

See Also

Manual