/**
* Print to ajax the status of the last OAuth request.
*
* @static
*/
public static function check_oauth_authorization_status()
{
self::die_if_not_allowed();
check_ajax_referer('lp_check_oauth_nonce');
$options = get_option(self::$options_name);
$livepress_com = new LivePress_Communication($options['api_key']);
$status = $livepress_com->is_authorized_oauth();
if ($status->status == 'authorized') {
$options['post_to_twitter'] = true;
$options['oauth_authorized_user'] = $status->username;
update_option(self::$options_name, $options);
} else {
if ($status->status == 'unauthorized') {
$options['post_to_twitter'] = false;
$options['oauth_authorized_user'] = '';
update_option(self::$options_name, $options);
}
}
header('Content-Type: application/json');
echo json_encode($status);
die;
}
/**
* Check if the request is from Facebook's Open Graph protocol. If
* so then just return the basic HTML for embedding. The link to
* share on Facebook should be:
* http://host/permalink?lpup=[livepress_update_id]
*/
function opengraph_request()
{
if (isset($_GET['lpup'])) {
$id = absint($_GET['lpup']);
$update = $this->lp_get_single_update($id);
$data = $this->opengraph_data($update);
$post_parent_url = get_permalink($update->post_parent);
if (0 === preg_match('/\\/\\?/', $post_parent_url)) {
$post_parent_url .= "?";
} else {
$post_parent_url .= "&";
}
$canonical_url = $post_parent_url . 'lpup=' . $id . '#livepress-update-' . $id;
echo "<!DOCTYPE HTML>\n";
echo "<html>\n";
echo "<head prefix=\"og: http://ogp.me/ns#\">\n";
echo "<link rel=\"canonical\" href=\"" . esc_url($canonical_url) . "\">\n";
echo "<title>" . esc_html($this->lp_strip_shortcodes($data->title)) . "</title>\n";
// Twitter card:
// TODO: Make this customizable
echo "<meta name=\"twitter:card\" content=\"summary_large_image\" />\n";
echo '<meta name="twitter:title" content="' . esc_attr($this->lp_strip_shortcodes(urldecode($data->title))) . "\" />\n";
echo '<meta name="twitter:description" content="' . esc_html($this->lp_strip_shortcodes(urldecode($data->description))) . "\" />\n";
echo '<meta name="twitter:image" content="' . esc_attr($data->img) . "\" />\n";
echo '<meta name="twitter:url" content="' . esc_url($canonical_url) . "\" />\n";
// Check if the update should be attributed to a Twitter user:
$lp_twitter_user = get_user_meta($update->post_author, 'lp_twitter', true);
if (!empty($lp_twitter_user)) {
echo '<meta name="twitter:site:id" content="' . esc_attr($lp_twitter_user) . "\" />\n";
}
// Check if we're posting updates to a Twitter account and use
// it for twitter site handle:
$this->options = get_option(LivePress_Administration::$options_name);
$lp_com = new LivePress_Communication($this->options['api_key']);
$lp_twitter_blog = $lp_com->is_authorized_oauth();
if (!empty($lp_twitter_blog) && $lp_twitter_blog->username !== NULL) {
echo '<meta name="twitter:site" content=' . esc_attr($lp_twitter_blog->username) . "\" />\n";
}
// Facebook Open Graph:
echo '<meta property="og:title" content="' . esc_attr($this->lp_strip_shortcodes(urldecode($data->title))) . "\" />\n";
echo "<meta property=\"og:type\" content=\"" . esc_attr($data->type) . "\" />\n";
echo '<meta property="og:url" content="' . esc_url($canonical_url) . "\" />\n";
echo '<meta property="og:image" content="' . esc_attr($data->img) . "\" />\n";
echo '<meta property="og:image:url" content="' . esc_attr($data->img) . "\" />\n";
echo '<meta property="og:site_name" content="' . esc_attr(get_bloginfo('name')) . "\" />\n";
echo '<meta property="og:description" content="' . esc_html($this->lp_strip_shortcodes(urldecode($data->description))) . "\" />\n";
$post_url = $post_parent_url . '#livepress-update-' . $id;
echo "<meta http-equiv=\"refresh\" content=\"2;URL=" . $post_url . "\">\n";
echo "<script type=\"text/javascript\">window.location.replace('" . $post_url . "');</script>\n";
echo "</head>\n";
echo "<body>\n";
echo '<p>' . esc_html($data->description) . "</p>\n";
echo "</body>\n</html>\n";
exit(0);
}
}
