Hi Lluis,
There's a decent PHP library on oauth.net that should
help with the HMAC_SHA1 signing:
http://oauth.googlecode.com/svn/code/php/
Here's what I was able to get working with that library:
<?php
require_once("OAuth.php");
$consumer_key = 'yourdomain.com';
$consumer_secret = 'YOUR_CONSUMER_SECRET';
$hmac_sig_method = new OAuthSignatureMethod_HMAC_SHA1();
$contacts_feed = 'http://www.google.com/m8/feeds/contacts/default/
full/';
$user = '[EMAIL PROTECTED]';
$url = $contacts_feed. '?xoauth_requestor_id=' . $user;
$consumer = new OAuthConsumer($consumer_key, $consumer_secret, NULL);
$req = OAuthRequest::from_consumer_and_token($consumer, NULL, 'GET',
$contacts_feed, array('xoauth_requestor_id' => $user));
$req->sign_request($hmac_sig_method, $consumer, NULL);
echo signedGET($url, $req->to_header());
function signedGET($url, $auth_header) {
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, array(
'Content-Type: application/atom+xml',
$auth_header
));
$response = curl_exec($curl);
if (!$response) {
die('Error: ' . curl_error($curl) . "\n");
}
curl_close($curl);
return $response;
}
?>
The important thing to note is that you do NOT
fetch a token with 2 legged OAuth. Just query
the feed directly by appending the xoauth_requestor_id
parameter with the user's email:
GET http://www.google.com/m8/feeds/contacts/default/full/[EMAIL PROTECTED]
Eric
On Nov 11, 2:33 pm, Lluis <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I've read the
> articlehttp://www.google.com/support/a/bin/answer.py?hl=en&answer=61017
> talking about Oauth two-legged authentication process.
>
> We have a global addressbook, that every user has the responsibility
> to synchronize with its own Gmail contacts personal database.
>
> Instead of that, we're interested with the possibility to synchro
> contacts without involving the user. At nightly basis for example
>
> I'm a PHP programmer. I would very grateful if someone could pointing
> me directions and/or provide some PHP code examples or experience
>
> Thanks in advance, Lluís
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