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我想從這裏運行Google API PHP簡單查詢示例：https://github.com/google/google-api-php-client/blob/master/examples/service-account.php 我的目標是測試OAuth2並在我的web之間創建服務器到服務器的連接應用和已經分享給我的谷歌電子表格。Google API PHP簡單查詢示例權限不足
這裏就是我有：
$client_id = 'XXX.apps.googleusercontent.com'; //Client ID
$service_account_name = '[email protected]'; //Email Address
$key_file_location = 'C:/Users/Hp/Downloads/cMessage-638a8a247351.p12';
if ($client_id == '' || !strlen($service_account_name) || !strlen($key_file_location)) {
echo missingServiceAccountDetailsWarning();
}
$client = new Google_Client();
$client->setApplicationName("cMessage");
$service = new Google_Service_Books($client);
/* * **********************************************
If we have an access token, we can carry on.
Otherwise, we'll get one with the help of an
assertion credential. In other examples the list
of scopes was managed by the Client, but here
we have to list them manually. We also supply
the service account
* ********************************************** */
if (isset($_SESSION['service_token'])) {
$client->setAccessToken($_SESSION['service_token']);
}
$key = file_get_contents($key_file_location);
$cred = new Google_Auth_AssertionCredentials(
$service_account_name, array('https://www.googleapis.com/auth/books'), $key
);
$client->setAssertionCredentials($cred);
if ($client->getAuth()->isAccessTokenExpired()) {
$client->getAuth()->refreshTokenWithAssertion($cred);
}
$_SESSION['service_token'] = $client->getAccessToken();
/* * **********************************************
We're just going to make the same call as in the
simple query as an example.
* ********************************************** */
$optParams = array('filter' => 'free-ebooks');
$results = $service->volumes->listVolumes('Henry David Thoreau', $optParams);
echo "<h3>Results Of Call:</h3>";
foreach ($results as $item) {
echo $item['volumeInfo']['title'], "<br /> \n";
}
我嘗試運行此，我得到這個：
錯誤調用get https://www.googleapis.com/books/v1/volumes?q=Henry+David+Thoreau&filter=free-ebooks：（403）沒有足夠的權限
我我雙重檢查了我的憑據，時區，並且在我的開發者控制檯中啓用了Google的Books API。
我不知道我還缺少什麼。請幫忙。謝謝。