Can't get tokens when using OAuth with LinkedIn API
- by Angela
Hi, was wondering if anyone can help me to get this basic OAuth implementation to work using the LinkedIn API:
The output for the indexes oauth_token and oauth_token_secret are blank.
The file I refer to in OAuth.php are a set of classes to help generate the token requests and tokens. That file is here: http://www.easy-share.com/1909603316/OAuth.php
<?php
session_start();
require_once("OAuth.php");
$app_token = "YOUR APP TOKEN GOES HERE";
$app_key = "YOUR APP KEY GOES HERE";
$domain = "https://api.linkedin.com/uas/oauth";
$sig_method = new OAuthSignatureMethod_HMAC_SHA1();
$test_consumer = new OAuthConsumer($app_token, $app_key, NULL);
$callback = "http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']."?action=getaccesstoken";
# First time through, get a request token from LinkedIn.
if (!isset($_GET['action'])) {
$req_req = OAuthRequest::from_consumer_and_token($test_consumer, NULL, "POST", $domain . "/requestToken");
$req_req->set_parameter("oauth_callback", $callback); # part of OAuth 1.0a - callback now in requestToken
$req_req->sign_request($sig_method, $test_consumer, NULL);
$ch = curl_init();
// make sure we submit this as a post
curl_setopt($ch, CURLOPT_POSTFIELDS, ''); //New Line
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER,array (
$req_req->to_header()
));
curl_setopt($ch, CURLOPT_URL, $domain . "/requestToken");
curl_setopt($ch, CURLOPT_POST, 1);
$output = curl_exec($ch);
curl_close($ch);
print_r($req_req); //<---- add this line
print("$output\n"); //<---- add this line
parse_str($output, $oauth);
# pop these in the session for now - there's probably a more secure way of doing this! We'll need them when the callback is called.
$_SESSION['oauth_token'] = $oauth['oauth_token'];
$_SESSION['oauth_token_secret'] = $oauth['oauth_token_secret'];
echo("token: " . $oauth['oauth_token']);
echo("secret: " . $oauth['oauth_token_secret']);
exit;
