/**
* Revokes application access from Facebook
*
* @since 4.0
* @access public
* @param string
* @return boolean
*/
public function revoke()
{
try {
$result = parent::api('/me/permissions', 'DELETE', array('access_token' => $this->token));
} catch (Exception $e) {
$result = false;
}
return $result;
}
/**
* Shares a new content on Facebook
**/
public function share($blog, $message = '', $oauth, $useSystem = false)
{
$config = EasyBlogHelper::getConfig();
$source = $config->get('integrations_facebook_source');
$content = isset($blog->{$source}) && !empty($blog->{$source}) ? $blog->{$source} : $blog->intro . $blog->content;
$content = EasyBlogHelper::getHelper('Videos')->strip($content);
$image = '';
// @rule: Ensure that only public posts are allowed
if ($blog->private != 0) {
return false;
}
// @rule: Try to get the blog image.
if ($blog->getImage()) {
$image = $blog->getImage()->getSource('frontpage');
}
if (empty($image)) {
// @rule: Match images from blog post
$pattern = '/<\\s*img [^\\>]*src\\s*=\\s*[\\""\']?([^\\""\'\\s>]*)/i';
preg_match($pattern, $content, $matches);
$image = '';
if ($matches) {
$image = isset($matches[1]) ? $matches[1] : '';
if (JString::stristr($matches[1], 'https://') === false && JString::stristr($matches[1], 'http://') === false && !empty($image)) {
$image = rtrim(JURI::root(), '/') . '/' . ltrim($image, '/');
}
}
}
$maxContentLen = $config->get('integrations_facebook_blogs_length');
$text = strip_tags($content);
if (!empty($maxContentLen)) {
$text = JString::strlen($text) > $maxContentLen ? JString::substr($text, 0, $maxContentLen) . '...' : $text;
}
$url = EasyBlogRouter::getRoutedURL('index.php?option=com_easyblog&view=entry&id=' . $blog->id, false, true);
// If blog post is being posted from the back end and SH404 is installed, we should just use the raw urls.
$sh404exists = EasyBlogRouter::isSh404Enabled();
$mainframe = JFactory::getApplication();
if ($mainframe->isAdmin() && $sh404exists) {
$url = rtrim(JURI::root(), '/') . '/index.php?option=com_easyblog&view=entry&id=' . $blog->id;
}
preg_match('/expires=(.*)/i', $this->_access_token, $expires);
if (isset($expires[1])) {
$this->_access_token = str_ireplace('&expires=' . $expires[1], '', $this->_access_token);
}
// Remove adsense codes
require_once EBLOG_CLASSES . DIRECTORY_SEPARATOR . 'adsense.php';
$text = EasyBlogGoogleAdsense::stripAdsenseCode($text);
$jConfig = EasyBlogHelper::getJConfig();
$params = array('link' => $url, 'name' => $blog->title, 'description' => $text, 'message' => $blog->title, 'access_token' => $this->_access_token);
if (empty($image)) {
$params['picture'] = rtrim(JURI::root(), '/') . '/components/com_easyblog/assets/images/default_facebook.png';
$params['source'] = rtrim(JURI::root(), '/') . '/components/com_easyblog/assets/images/default_facebook.png';
} else {
$params['picture'] = $image;
$params['source'] = $image;
}
// @rule: For system messages, we need to see if there's any pages associated.
if ($oauth->system && $useSystem) {
if ($config->get('integrations_facebook_impersonate_page') || $config->get('integrations_facebook_impersonate_group')) {
if ($config->get('integrations_facebook_impersonate_page')) {
$pages = JString::trim($config->get('integrations_facebook_page_id'));
$pages = explode(',', $pages);
$total = count($pages);
// @rule: Test if there are any pages at all the user can access
$accounts = parent::api('/me/accounts', array('access_token' => $this->_access_token));
if (is_array($accounts) && isset($accounts['data'])) {
for ($i = 0; $i < $total; $i++) {
foreach ($accounts['data'] as $page) {
if ($page['id'] == $pages[$i]) {
$params['access_token'] = $page['access_token'];
$query = parent::api('/' . $page['id'] . '/feed', 'post', $params);
}
}
}
}
}
if ($config->get('integrations_facebook_impersonate_group')) {
$groupsId = JString::trim($config->get('integrations_facebook_group_id'));
$groupsId = explode(',', $groupsId);
$total = count($groupsId);
// @rule: Test if there are any groups at all the user can access
$accounts = parent::api('/me/groups', 'GET', array('access_token' => $this->_access_token));
$params['access_token'] = $this->_access_token;
if (is_array($accounts) && isset($accounts['data'])) {
for ($i = 0; $i < $total; $i++) {
foreach ($accounts['data'] as $group) {
if ($group['id'] == $groupsId[$i]) {
$query = parent::api('/' . $group['id'] . '/feed', 'post', $params);
}
}
}
}
}
} else {
// @rule: If this is just a normal posting, just post it on their page.
$query = parent::api('/me/feed', 'post', $params);
}
} else {
// @rule: If this is just a normal posting, just post it on their page.
$query = parent::api('/me/feed', 'post', $params);
}
$success = isset($query['id']) ? true : false;
return $success;
}
