<?php
$client = new oauth_client_class;
// set the offline access only if you need to call an API
// when the user is not present and the token may expire
$client->offline = FALSE;
$client->debug = false;
$client->debug_http = true;
$client->redirect_uri = REDIRECT_URL;
$client->client_id = CLIENT_ID;
$application_line = __LINE__;
$client->client_secret = CLIENT_SECRET;
if (strlen($client->client_id) == 0 || strlen($client->client_secret) == 0)
die('Please go to Google APIs console page ' .
'http://code.google.com/apis/console in the API access tab, ' .
'create a new client ID, and in the line ' . $application_line .
' set the client_id to Client ID and client_secret with Client Secret. ' .
'The callback URL must be ' . $client->redirect_uri . ' but make sure ' .
'the domain is valid and can be resolved by a public DNS.');
/* API permissions
*/
$client->scope = SCOPE;
if (($success = $client->Initialize())) {
if (($success = $client->Process())) {
if (strlen($client->authorization_error)) {
$client->error = $client->authorization_error;
$success = false;
} elseif (strlen($client->access_token)) {
$success = $client->CallAPI(
'https://www.googleapis.com/oauth2/v1/userinfo', 'GET', array(), array('FailOnAccessError' => true), $user);
}
}
$success = $client->Finalize($success);
}
if ($client->exit)
exit;
if ($success) {
// Now check if user exist with same email ID
$sql = "SELECT COUNT(*) AS count from google_users where email = :email_id";
try {
$stmt = $DB->prepare($sql);
$stmt->bindValue(":email_id", $user->email);
$stmt->execute();
$result = $stmt->fetchAll();
if ($result[0]["count"] > 0) {
// User Exist
$_SESSION["name"] = $user->name;
$_SESSION["email"] = $user->email;
$_SESSION["new_user"] = "no";
} else {
// New user, Insert in database
$sql = "INSERT INTO `google_users` (`name`, `email`) VALUES " . "( :name, :email)";
$stmt = $DB->prepare($sql);
$stmt->bindValue(":name", $user->name);
$stmt->bindValue(":email", $user->email);
$stmt->execute();
$result = $stmt->rowCount();
if ($result > 0) {
$_SESSION["name"] = $user->name;
$_SESSION["email"] = $user->email;
$_SESSION["new_user"] = "yes";
$_SESSION["e_msg"] = "";
}
}
} catch (Exception $ex) {
$_SESSION["e_msg"] = $ex->getMessage();
}
$_SESSION["user_id"] = $user->id;
} else {
$_SESSION["e_msg"] = $client->error;
}
header("location:home.php");
exit;
?>
