Google drive Public

2019-09-07 07:03发布

站内问答 / JavaScript
1768 2 5

I am working with Google drive picker, where once an item is selected from Google drive a url is produced. The problem is that that url is only accessible by the owner, and hence not public. I want the URL to be publicly accessible.

Hence, i've looked into the following guide: https://developers.google.com/picker/docs/reference#Response.Documents

and feel that the Document.AUDIENCE class would be best applicable, however I do not know how to add that criteria into the below google drive picker example code.

Any help would be greatly appreciated.

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
    <title>Google Picker Example</title>

    <script type="text/javascript">

      // The Browser API key obtained from the Google Developers Console.
      var developerKey = 'xxxxxxxYYYYYYYY-12345678';

      // The Client ID obtained from the Google Developers Console. Replace with your own Client ID.
      var clientId = "1234567890-abcdefghijklmnopqrstuvwxyz.apps.googleusercontent.com"

      // Scope to use to access user's photos.
      var scope = ['https://www.googleapis.com/auth/photos'];

      var pickerApiLoaded = false;
      var oauthToken;

      // Use the API Loader script to load google.picker and gapi.auth.
      function onApiLoad() {
        gapi.load('auth', {'callback': onAuthApiLoad});
        gapi.load('picker', {'callback': onPickerApiLoad});
      }

      function onAuthApiLoad() {
        window.gapi.auth.authorize(
            {
              'client_id': clientId,
              'scope': scope,
              'immediate': false
            },
            handleAuthResult);
      }

      function onPickerApiLoad() {
        pickerApiLoaded = true;
        createPicker();
      }

      function handleAuthResult(authResult) {
        if (authResult && !authResult.error) {
          oauthToken = authResult.access_token;
          createPicker();
        }
      }

      // Create and render a Picker object for picking user Photos.
      function createPicker() {
        if (pickerApiLoaded && oauthToken) {
          var picker = new google.picker.PickerBuilder().
              addView(google.picker.ViewId.PHOTOS).
              setOAuthToken(oauthToken).
              setDeveloperKey(developerKey).
              setCallback(pickerCallback).
              build();
          picker.setVisible(true);
        }
      }

      // A simple callback implementation.
      function pickerCallback(data) {
        var url = 'nothing';
        if (data[google.picker.Response.ACTION] == google.picker.Action.PICKED) {
          var doc = data[google.picker.Response.DOCUMENTS][0];
          url = doc[google.picker.Document.URL];
        }
        var message = 'You picked: ' + url;
        document.getElementById('result').innerHTML = message;
      }
    </script>
  </head>
  <body>
    <div id="result"></div>

    <!-- The Google API Loader script. -->
    <script type="text/javascript" src="https://apis.google.com/js/api.js?onload=onApiLoad"></script>
  </body>

2条回答
beautiful°
2楼-- · 2019-09-07 07:05

To add public permissions to the selected file. You will need to use the drive api to add file permissions

Please see https://developers.google.com/drive/v2/reference/permissions/insert

You will need to insert a permission to the file with role set to 'reader' and the type to 'anyone'

You can refer to the javascript implementation in the example

/**
 * Insert a new permission.
 *
 * @param {String} fileId ID of the file to insert permission for.
 * @param {String} value User or group e-mail address, domain name or
 *                       {@code null} "default" type.
 * @param {String} type The value "user", "group", "domain" or "default".
 * @param {String} role The value "owner", "writer" or "reader".
 */
function insertPermission(fileId, value, type, role) {
  var body = {
    'value': value,
    'type': type,
    'role': role
  };
  var request = gapi.client.drive.permissions.insert({
    'fileId': fileId,
    'resource': body
  });
  request.execute(function(resp) { });
}
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一夜七次
3楼-- · 2019-09-07 07:29

To elaborate on @Sam's answer, here is how you would do it without using the gapi.client.drive Javascript API.

Let's say that some_id is your document id:

request = gapi.client.request({
  path: '/drive/v2/files/some_id/permissions',
  method: 'POST',
  body: {
    role: 'reader'
    type: 'anyone'
  }
});
request.execute(function (res)  {
  console.log(res);
})

Which generates a request to https://content.googleapis.com/drive/v2/files/some_id/permissions?alt=json with this body: {role: "reader", type: "anyone"}

Here is the result you will get:

{
 "kind": "drive#permission",
 "etag": "some etage",
 "id": "anyone",
 "selfLink": "https://www.googleapis.com/drive/v2/files/some_id/permissions/anyone",
 "role": "reader",
 "type": "anyone"
}
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