if (!isset($_SESSION['requestToken'])) {
?>
<a href="index.php?action=requestToken">Click here</a> to
<?php
}
?>
obtain temporary credentials
</li>
<!-- Step 2: authorize the temporary credentials -->
<li><b>Step 2</b>:
<?php
if (isset($_SESSION['requestToken']) && !isset($_SESSION['oauthVerifier'])) {
?>
<a href="<?php
echo htmlspecialchars(getAuthorizationUrl());
?>
">Click here</a> to
<?php
}
?>
authorize the temporary credentials
</li>
<!-- Step 3: exchange the authorized temporary credentials for token credentials -->
<li><b>Step 3</b>:
<?php
if (isset($_SESSION['requestToken']) && isset($_SESSION['oauthVerifier']) && !isset($_SESSION['accessToken'])) {
?>
<a href="index.php?action=accessToken">Click here</a> to
<?php
<?php
require_once "functions.php";
session_start();
header('Content-Type: text/html; charset=utf-8');
$authUrl = getAuthorizationUrl("", "");
?>
<!DOCTYPE html>
<html lang="fi">
<head>
<title>Google Drive Login and Upload</title>
<meta charset="UTF-8">
</head>
<body>
<a href=<?php
echo "'" . $authUrl . "'";
?>
>Authorize</a>
</body>
</html>
/**
* Retrieve credentials using the provided authorization code.
*
* This function exchanges the authorization code for an access token and
* queries the UserInfo API to retrieve the user's e-mail address. If a
* refresh token has been retrieved along with an access token, it is stored
* in the application database using the user's e-mail address as key. If no
* refresh token has been retrieved, the function checks in the application
* database for one and returns it if found or throws a NoRefreshTokenException
* with the authorization URL to redirect the user to.
*
* @param String authorizationCode Authorization code to use to retrieve an access
* token.
* @param String state State to set to the authorization URL in case of error.
* @return String Json representation of the OAuth 2.0 credentials.
* @throws NoRefreshTokenException No refresh token could be retrieved from
* the available sources.
*/
function getCredentials($authorizationCode, $state)
{
$emailAddress = '';
try {
$credentials = $this->exchangeCode($authorizationCode);
$userInfo = $this->getUserInfo($credentials);
$emailAddress = $userInfo->getEmail();
$userId = $userInfo->getId();
$credentialsArray = json_decode($credentials, true);
if (isset($credentialsArray['refresh_token'])) {
$this->storeCredentials($userId, $credentials);
return $credentials;
} else {
$credentials = $this->getStoredCredentials($userId);
$credentialsArray = json_decode($credentials, true);
if ($credentials != null && isset($credentialsArray['refresh_token'])) {
return $credentials;
}
}
} catch (CodeExchangeException $e) {
print 'An error occurred during code exchange.';
// Drive apps should try to retrieve the user and credentials for the current
// session.
// If none is available, redirect the user to the authorization URL.
$e->setAuthorizationUrl(getAuthorizationUrl($emailAddress, $state));
throw $e;
} catch (NoUserIdException $e) {
print 'No e-mail address could be retrieved.';
}
// No refresh token has been retrieved.
$authorizationUrl = getAuthorizationUrl($emailAddress, $state);
throw new NoRefreshTokenException($authorizationUrl);
}
// Status variables
$lastError = null;
$currentStatus = null;
// Request dispatching. If a function fails, $lastError will be updated.
if (isset($_GET['action'])) {
$action = $_GET['action'];
if ($action == 'callback') {
if (handleCallback()) {
if (getTokenCredentials()) {
listNotebooks();
}
}
} elseif ($action == 'authorize') {
if (getTemporaryCredentials()) {
// We obtained temporary credentials, now redirect the user to evernote.com to authorize access
header('Location: ' . getAuthorizationUrl());
}
} elseif ($action == 'reset') {
resetSession();
}
}
?>
<html>
<head>
<title>Evernote PHP OAuth Demo</title>
</head>
<body>
<h1>Evernote PHP OAuth Demo</h1>
