/**
* Method for Twitter login
*/
function ie_api_twitter_login()
{
// Test user is logged in
if (!iewp_api_user_is_logged_in()) {
die('Error: please sign in');
}
// Twitter app credentials
$consumer_key = trim(get_option('iewp_api_twitterapp_consumer_key', ''));
$consumer_secret = trim(get_option('iewp_api_twitterapp_consumer_secret', ''));
$callback_url = site_url('wp-json/ie-api/twitter-callback');
// Test app creds have been set
if ($consumer_key == '' || $consumer_secret == '') {
die('Error: invalid twitter app credentials');
}
// Get a request token
$connection = new TwitterOAuth($consumer_key, $consumer_secret);
$request_token = $connection->getRequestToken($callback_url);
// Store the request token for use in callback
$user_id = iewp_api_id_from_hash();
update_user_meta($user_id, 'twitter_oauth_token', $request_token['oauth_token']);
update_user_meta($user_id, 'twitter_oauth_token_secret', $request_token['oauth_token_secret']);
// Redirect to Twitter app approval page
$redirect_url = $connection->getAuthorizeURL($request_token);
wp_redirect($redirect_url);
exit;
}
/**
* Callback method for Twitter Oauth
*/
function ie_api_twitter_callback($request_data)
{
global $wpdb;
// Capture request data
$data = $request_data->get_params();
// Test user is logged in
if (!iewp_api_user_is_logged_in()) {
die('Error: please sign in');
}
// Twitter app credentials
$consumer_key = trim(get_option('iewp_api_twitterapp_consumer_key', ''));
$consumer_secret = trim(get_option('iewp_api_twitterapp_consumer_secret', ''));
// Test app creds have been set
if ($consumer_key == '' || $consumer_secret == '') {
die('Error: invalid twitter app credentials');
}
// Retrieve the user's id
$user_id = iewp_api_id_from_hash();
// Sanity check - user denied access
if (isset($data['denied'])) {
die('Error: you denied access');
}
// Sanity check - no get vars from Twitter
if (!isset($data['oauth_token']) || !isset($data['oauth_verifier'])) {
die('Error: there was a problem retrieving tokens');
}
// Retrieve user's oauth token
$twitter_oauth_token = get_user_meta($user_id, 'twitter_oauth_token', true);
$twitter_oauth_token_secret = get_user_meta($user_id, 'twitter_oauth_token_secret', true);
// Verify the token and get credentials for future use
$connection = new TwitterOAuth($consumer_key, $consumer_secret, $twitter_oauth_token, $twitter_oauth_token_secret);
$token_credentials = $connection->getAccessToken($data['oauth_verifier']);
// Get account details
$twitter = new TwitterOAuth($consumer_key, $consumer_secret, $token_credentials['oauth_token'], $token_credentials['oauth_token_secret']);
$account = $twitter->get('account/verify_credentials');
// Cleanup any previous credentials
$wpdb->delete('ie_twitter_accounts', array('user_id' => $user_id), array('%d'));
// Insert user credentials
$wpdb->insert('ie_twitter_accounts', array('user_id' => $user_id, 'twitter_id' => $account->id_str, 'screen_name' => $account->screen_name, 'oauth_token' => $token_credentials['oauth_token'], 'oauth_token_secret' => $token_credentials['oauth_token_secret'], 'account_str' => json_encode($account), 'date_created' => time()), array('%d', '%s', '%s', '%s', '%s', '%s', '%d'));
// TODO: redirect
}
