Google Analytics API: How to solve OAuth2 Missing Scope Parameter Error? - php

Question

I'm trying to get this example to work: https://developers.google.com/analytics/devguides/config/mgmt/v3/quickstart/web-php#enable
The error I'm getting is "Error: invalid_request, Missing required parameter:scope"
In order to install the google api resources, I used composer with this command:
php composer.phar require google/apiclient:^2.0.0#RC
This installed the "vendor" folder in my root site folder. My index.php and oauth2callback.php files are located in the "public_html" folder.
Here's what I have in my index.php:
<?php
// Load the Google API PHP Client Library.
require_once '../vendor/autoload.php';
// Start a session to persist credentials.
session_start();
// Create the client object and set the authorization configuration
// from the client_secretes.json you downloaded from the developer console.
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->addScope(Google_Service_Analytics::ANALYTICS_READONLY);
// If the user has already authorized this app then get an access token
// else redirect to ask the user to authorize access to Google Analytics.
if (isset($_SESSION['access_token']) && $_SESSION['access_token']) {
// Set the access token on the client.
$client->setAccessToken($_SESSION['access_token']);
// Create an authorized analytics service object.
$analytics = new Google_Service_Analytics($client);
// Get the first view (profile) id for the authorized user.
$profile = getFirstProfileId($analytics);
// Get the results from the Core Reporting API and print the results.
$results = getResults($analytics, $profile);
printResults($results);
} else {
$redirect_uri = 'http://' . $_SERVER['HTTP_HOST'] . '/oauth2callback.php';
header('Location: ' . filter_var($redirect_uri, FILTER_SANITIZE_URL));
}
function getFirstprofileId(&$analytics) {
// Get the user's first view (profile) ID.
// Get the list of accounts for the authorized user.
$accounts = $analytics->management_accounts->listManagementAccounts();
if (count($accounts->getItems()) > 0) {
$items = $accounts->getItems();
$firstAccountId = $items[0]->getId();
// Get the list of properties for the authorized user.
$properties = $analytics->management_webproperties
->listManagementWebproperties($firstAccountId);
if (count($properties->getItems()) > 0) {
$items = $properties->getItems();
$firstPropertyId = $items[0]->getId();
// Get the list of views (profiles) for the authorized user.
$profiles = $analytics->management_profiles
->listManagementProfiles($firstAccountId, $firstPropertyId);
if (count($profiles->getItems()) > 0) {
$items = $profiles->getItems();
// Return the first view (profile) ID.
return $items[0]->getId();
} else {
throw new Exception('No views (profiles) found for this user.');
}
} else {
throw new Exception('No properties found for this user.');
}
} else {
throw new Exception('No accounts found for this user.');
}
}
function getResults(&$analytics, $profileId) {
// Calls the Core Reporting API and queries for the number of sessions
// for the last seven days.
return $analytics->data_ga->get(
'ga:' . $profileId,
'7daysAgo',
'today',
'ga:sessions');
}
function printResults(&$results) {
// Parses the response from the Core Reporting API and prints
// the profile name and total sessions.
if (count($results->getRows()) > 0) {
// Get the profile name.
$profileName = $results->getProfileInfo()->getProfileName();
// Get the entry for the first entry in the first row.
$rows = $results->getRows();
$sessions = $rows[0][0];
// Print the results.
print "<p>First view (profile) found: $profileName</p>";
print "<p>Total sessions: $sessions</p>";
} else {
print "<p>No results found.</p>";
}
}
Then here's what I have in my oauth2callback.php:
<?php
require_once '../vendor/autoload.php';
// Start a session to persist credentials.
session_start();
// Create the client object and set the authorization configuration
// from the client_secrets.json you downloaded from the Developers Console.
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->setRedirectUri('http://' . $_SERVER['HTTP_HOST'] . '/oauth2callback.php');
// Handle authorization flow from the server.
if (! isset($_GET['code'])) {
$auth_url = $client->createAuthUrl();
header('Location: ' . filter_var($auth_url, FILTER_SANITIZE_URL));
} else {
$client->authenticate($_GET['code']);
$_SESSION['access_token'] = $client->getAccessToken();
$redirect_uri = 'http://' . $_SERVER['HTTP_HOST'] . '/';
header('Location: ' . filter_var($redirect_uri, FILTER_SANITIZE_URL));
}
I have read up similar errors and saw someone posting that just by adding:
passport.authenticate('google', {scope: 'https://www.googleapis.com/auth/plus.login'});
it'll work, but I don't know where to add this, nor do I know if it will solve my problem.
Also, I don't know if it's necessary to know, but the client_secrets.json file is in the same folder as the index.php file; (public_html) folder.
By the way, in my Google API manager, I have my Authorized redirect URIs set to only "http://localhost:8080/oauth2callback.php" which was what the first reference I linked in this question said to do. I don't think this should be a problem, but just wanted to get the entirety of my question here.
Can anyone help me understand what to do from here?
I'll attach a screenshot of what I'm seeing as the error.

Answer 1

Change this (index.php);
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->addScope(Google_Service_Analytics::ANALYTICS_READONLY);
To this;
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->addScope('https://www.googleapis.com/auth/analytics.readonly');
Also, you're missing addscope on your callback, change this (oauth2callback.php);
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->setRedirectUri('http://' . $_SERVER['HTTP_HOST'] . '/oauth2callback.php')
To this;
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->setRedirectUri('http://' . $_SERVER['HTTP_HOST'] . '/oauth2callback.php')
$client->addScope('https://www.googleapis.com/auth/analytics.readonly');
You can find more information here https://developers.google.com/api-client-library/php/start/get_started#setup
Side note;
Also, I don't know if it's necessary to know, but the
client_secrets.json file is in the same folder as the index.php file;
(public_html) folder.
This is not recommended, you should put the json file outside of the 'webapps' directory, such as a config folder.