Google Client Logins

I'm working on a little PHP app which is going to read data from a Google Spreadsheet document (more on that later).

The first thing I needed was the ability to authenticate against a Google Account which lead me to Authentication for Installed Applications. Pretty straightforward. POST a bunch of variables and, on successful login, get an Auth code back that can be used for future queries.

To that end, I threw together a little class to handle logins. I'm sure it's been done many times before but it was a fun exercise.

~~~~ {.php name="code"} class LoginFailedException extends Exception {}class GoogleClientLogin { public $url; public $accountType; public $email; public $password; public $service; public $source; public static $CALENDAR_SERVICE = 'cl'; public static $SPREADSHEET_SERVICE = 'wise'; private $responseCode; private $auth; public function __construct($email, $password, $service, $source, $accountType = 'GOOGLE', $url = 'https://www.google.com/accounts/ClientLogin', $autoLogin = true) { $this->url = $url; $this->accountType = $accountType; $this->email = $email; $this->password = $password; $this->service = $service; $this->source = $source; if($autoLogin) { $this->login(); } } public function login() { $postData = array( 'accountType'=>$this->accountType, 'Email'=>$this->email, 'Passwd'=>$this->password, 'service'=>$this->service, 'source'=>$this->source ); $httprequest = curl_init($this->url); curl_setopt($httprequest, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($httprequest, CURLOPT_POST, true); curl_setopt($httprequest, CURLOPT_RETURNTRANSFER, true); curl_setopt($httprequest, CURLOPT_HEADER, true); curl_setopt($httprequest, CURLOPT_POSTFIELDS, $postData); $rawresult = curl_exec($httprequest); $result = explode("\n", $rawresult); foreach($result as $line) { $matches = array(); if( preg_match('/^HTTP.*?\s([0-9]{3})/', $line, $matches) > 0) { $this->responseCode = $matches[1]; if($this->responseCode != '200') { throw new LoginFailedException('The login attempt failed with a response code of ' . $this->responseCode); } } $matches = array(); if( preg_match('/^Auth=(.*?)$/', $line, $matches) > 0) { $this->auth = $matches[1]; } } } public function getAuth() { return $this->auth; } public function getResponseCode() { return $this->responseCode; }} wzxhzdk:0

<identifier> is just some string that identifies your app, presumably so Google can cut down on abuse.