/**
* Set up and return an API connection using the currently saved options..
*
* @return WP2D_API The API object.
*/
public static function api_quick_connect()
{
$options = WP2D_Options::instance();
$pod = (string) $options->get_option('pod');
$is_secure = true;
$username = (string) $options->get_option('username');
$password = WP2D_Helpers::decrypt((string) $options->get_option('password'));
$api = new WP2D_API($pod, $is_secure);
// This is necessary for correct error handline!
if ($api->init()) {
$api->login($username, $password);
}
return $api;
}
/**
* Post to diaspora* when saving a post.
*
* @since 1.5.0
*
* @todo Maybe somebody wants to share a password protected post to a closed aspect.
*
* @param integer $post_id ID of the post being saved.
* @param WP_Post $post Post object being saved.
* @return boolean If the post was posted successfully.
*/
public function post($post_id, $post)
{
$this->_assign_wp_post($post);
$options = WP2D_Options::instance();
// Is this post type enabled for posting?
if (!in_array($post->post_type, $options->get_option('enabled_post_types'))) {
return false;
}
// Make sure we're posting to diaspora* and the post isn't password protected.
if (!($this->post_to_diaspora && 'publish' === $post->post_status && '' === $post->post_password)) {
return false;
}
$status_message = $this->_get_title_link();
// Post the full post text or just the excerpt?
if ('full' === $this->display) {
$status_message .= $this->_get_full_content();
} else {
$status_message .= $this->_get_excerpt_content();
}
// Add the tags assigned to the post.
$status_message .= $this->_get_tags_to_add();
// Add the original entry link to the post?
$status_message .= $this->_get_posted_at_link();
$status_converter = new HtmlConverter(array('strip_tags' => true));
$status_message = $status_converter->convert($status_message);
// Set up the connection to diaspora*.
$conn = WP2D_Helpers::api_quick_connect();
if (!empty($status_message)) {
if ($conn->last_error) {
// Save the post error as post meta data, so we can display it to the user.
update_post_meta($post_id, '_wp_to_diaspora_post_error', $conn->last_error);
return false;
}
// Add services to share to via diaspora*.
$extra_data = array('services' => $this->services);
// Try to post to diaspora*.
if ($response = $conn->post($status_message, $this->aspects, $extra_data)) {
// Save certain diaspora* post data as meta data for future reference.
$this->_save_to_history((object) $response);
// If there is still a previous post error around, remove it.
delete_post_meta($post_id, '_wp_to_diaspora_post_error');
}
} else {
return false;
}
}
/**
* Send an http(s) request via cURL.
*
* @param string $url The URL to request.
* @param array|string $data Data to be posted with the request.
* @param array $headers Headers to assign to the request.
* @return object An object containing details about this request.
*/
private function _http_request($url, $data = array(), $headers = array())
{
// Prefix the full pod URL if necessary.
if (0 === strpos($url, '/')) {
$url = $this->get_pod_url($url);
}
// Call address via cURL.
$ch = curl_init($url);
// Set up cURL options.
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if (file_exists(WP2D_DIR . '/cacert.pem')) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_CAINFO, WP2D_DIR . '/cacert.pem');
}
if (!empty($this->_cookie)) {
curl_setopt($ch, CURLOPT_COOKIE, $this->_cookie);
}
// Add the passed headers.
if (!empty($headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
}
// Add the passed post data.
if (!empty($data)) {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
}
// Get the response from the cURL call.
$response = curl_exec($ch);
// Get the headers and the html response.
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$headers = substr($response, 0, $header_size);
$response = substr($response, $header_size);
// Remember this request.
$this->_last_request = new stdClass();
$this->_last_request->headers = $headers;
$this->_last_request->response = $response;
$this->_last_request->error = curl_error($ch);
$this->_last_request->errno = curl_errno($ch);
$this->_last_request->info = curl_getinfo($ch);
curl_close($ch);
// Save the new token.
if ($token = $this->_parse_regex('token', $response)) {
$this->_token = $token;
}
// Save the latest cookie.
if ($cookie = $this->_parse_regex('cookie', $headers)) {
$this->_cookie = $cookie;
}
// Once we're logged in, can we load new aspects and services while we're at it?
if ($this->is_logged_in()) {
// Load the aspects.
if (empty($this->_aspects) && ($aspects_raw = json_decode($this->_parse_regex('aspects', $response)))) {
// Add the 'public' aspect, as it's global and not user specific.
$aspects = array('public' => __('Public'));
// Create an array of all the aspects and save them to the settings.
foreach ($aspects_raw as $aspect) {
$aspects[$aspect->id] = $aspect->name;
}
$this->_aspects = $aspects;
}
// Load the services.
if (empty($this->_services) && ($services_raw = json_decode($this->_parse_regex('services', $response)))) {
$services = array();
foreach ($services_raw as $service) {
$services[$service] = ucfirst($service);
}
$this->_services = $services;
}
}
// Add debug info.
WP2D_Helpers::add_debugging(sprintf("code %s on %s\n", $this->_last_request->info['http_code'], $this->_last_request->info['url']));
// Return the last request details.
return $this->_last_request;
}
/**
* Clean up the passed tags. Keep only alphanumeric, hyphen and underscore characters.
*
* @param array|string $tags Tags to be cleaned as array or comma seperated values.
* @return array The cleaned tags.
*/
public function validate_tags(&$tags)
{
WP2D_Helpers::str_to_arr($tags);
$tags = array_map(array($this, 'validate_tag'), array_unique(array_filter($tags, 'trim')));
return $tags;
}
/**
* Check the connection to the pod and return the status for use with AJAX.
*/
public function check_pod_connection_status_callback()
{
if (isset($_REQUEST['debugging']) && !defined('WP2D_DEBUGGING')) {
define('WP2D_DEBUGGING', true);
}
$status = $this->_check_pod_connection_status();
$data = array('debug' => esc_textarea(WP2D_Helpers::get_debugging()), 'message' => __('Connection successful.', 'wp-to-diaspora'));
if (true === $status) {
wp_send_json_success($data);
} elseif (false === $status) {
$data['message'] = $this->_load_api()->last_error;
wp_send_json_error($data);
}
// If $status === null, do nothing.
}