Magento REST API Error 500

Question

I am trying to get product information through Magento REST API; but results an error starting “ [message:protected] => Invalid auth/bad request (got a 500, expected HTTP/1.

Answer 1

$callbackUrl = "http://myhostcom/current_script.php";
$temporaryCredentialsRequestUrl = "http://myhostcom/oauth/initiate?oauth_callback=" .               urlencode($callbackUrl);
$adminAuthorizationUrl = 'http://myhostcom/oauth/authorize';
$accessTokenRequestUrl = 'http://myhostcom/oauth/token';
$apiUrl = 'http://myhostcom/api/rest';
$consumerKey = 'xxxxxx';
$consumerSecret = 'xxxxxxxxxxx';

session_start();
if (!isset($_GET['oauth_token']) && isset($_SESSION['state']) &&         $_SESSION['state'] == 1) {
$_SESSION['state'] = 0;
}
try {
$authType = ($_SESSION['state'] == 2) ? OAUTH_AUTH_TYPE_AUTHORIZATION  : OAUTH_AUTH_TYPE_URI;
$oauthClient = new OAuth($consumerKey, $consumerSecret,   OAUTH_SIG_METHOD_HMACSHA1, $authType);
$oauthClient->enableDebug();

if (!isset($_GET['oauth_token']) && !$_SESSION['state']) {
    $requestToken = $oauthClient->getRequestToken($temporaryCredentialsRequestUrl);
    $_SESSION['secret'] = $requestToken['oauth_token_secret'];
    $_SESSION['state'] = 1;
    header('Location: ' . $customerAuthorizationUrl . '?oauth_token=' . $requestToken['oauth_token']);
    exit;
} else if ($_SESSION['state'] == 1) {
    $oauthClient->setToken($_GET['oauth_token'], $_SESSION['secret']);
    $accessToken = $oauthClient->getAccessToken($accessTokenRequestUrl);
    $_SESSION['state'] = 2;
    $_SESSION['token'] = $accessToken['oauth_token'];
    $_SESSION['secret'] = $accessToken['oauth_token_secret'];
    header('Location: ' . $callbackUrl);
    exit;
} else {
    $oauthClient->setToken($_SESSION['token'], $_SESSION['secret']);

    $resourceUrl = "$apiUrl/products";
    $oauthClient->fetch($resourceUrl, array(), 'GET', array('Content-Type' => 'application/json', 'Accept' => '*/*'));
    $productsList = json_decode($oauthClient->getLastResponse());
    print_r($productsList);

    echo "
".$_SESSION['secret']."
";

    echo "
".$_SESSION['token']."
";
}
} catch (OAuthException $e) {
print_r($e->getMessage());
echo "
";
print_r($e->lastResponse);
}