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<?php
//error_reporting(E_ALL);
// no direct access
defined("_JEXEC") or die("Restricted access");
if (!defined('DS')) {
define('DS',DIRECTORY_SEPARATOR);
}
if (!class_exists('Facebook', false)) {
require_once (JPATH_ROOT.DS.'plugins'.DS.'content'.DS.'fb_tw_plus1'.DS.'facebook'.DS.'facebook.php');
}
jimport('joomla.html.html');
jimport('joomla.form.formfield');
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');
jimport('joomla.form.helper');
class JFormFieldfbextraparams extends JFormField {
protected $type = "fbextraparams";
private function getHTLMtextfield($label,$value,$name){
$html = array();
$html[] = '<div class="control-group">';
$html[] = ' <div class="control-label">'.$label.'</div>';
$html[] = ' <div class="controls">';
$html[] = ' <input type="text" name="'.$this->name.$name.'" value="'.$value.'" size="50" />';
$html[] = ' </div>';
$html[] = '</div>';
$code=implode($html);
return $code;
}
private function getHTLMcheckboxfield($label,$value,$name,$checked){
$html = array();
$html[] = '<div class="control-group">';
$html[] = ' <div class="control-label">' . $label . '</div>';
$html[] = ' <div class="controls">';
$html[] = ' <input type="checkbox" name="'.$this->name.$name.'" value="'.$value.'" '.$checked.' />';
$html[] = ' </div>';
$html[] = '</div>';
$code=implode($html);
return $code;
}
private function getHTLMmsgfield($text,$class){
$class = !empty($class) ? ' class="' . $class . '"' : '';
$html = array();
$html[] = '<div class="control-group">';
$html[] = ' <span class="spacer">';
$html[] = ' <span class="before"></span>';
$html[] = ' <span '.$class.'>';
$html[] = ' <label id="' . $this->id . '-lbl" class="hasTooltip"><b>' . $text . '</b></label>';
$html[] = ' </span>';
$html[] = ' <span class="after"></span>';
$html[] = ' </span>';
$html[] = '</div>';
$code=implode($html);
return $code;
}
public function getControlGroup(){
$fbparams = $this->form->getValue('params');
$fb_enable_autopublish = $fbparams->fb_enable_autopublish;
if ($fb_enable_autopublish=='0') return '';
$fb_app_id = $fbparams->fb_app_id;
$fb_secret_key = $fbparams->fb_secret_key;
$fb_token = (isset($fbparams->fb_extra_params))?$fbparams->fb_extra_params['fb_token']:'';
$fb_admin = (isset($fbparams->fb_extra_params))?$fbparams->fb_extra_params['fb_admin']:'';
if (!isset($fbparams->fb_extra_params) || $fbparams->fb_extra_params['fb_ids']=='') {
$fb_ids = array();
} else {
$fb_ids = $fbparams->fb_extra_params['fb_ids'];
}
$html = array();
if (($fb_app_id != '') && ($fb_secret_key != '')) {
$facebook = new Facebook(array('appId' => $fb_app_id, 'secret' => $fb_secret_key));
$user = $facebook->getUser();
$uri= JFactory::getURI();
$url=urlencode($uri->current().'?'.$uri->getQuery());
$loginUrl = "https://www.facebook.com/dialog/oauth?client_id=".$fb_app_id."&redirect_uri=".$url."&scope=publish_stream,publish_actions,offline_access,manage_pages,user_groups";
if ($fb_token != '') { //if there is a token => check the token
$facebook->setAccessToken($fb_token);
try {
$user=$facebook->api('/me');
} catch (Exception $e) {
//Access token is not valid
$user=null;
}
} else {
//Access token missing
$user=null;
}
if ($user) { //access token ok
$fb_admin = $user['id'];
$html[] = $this->getHTLMtextfield('Access Token' ,$fb_token,'[fb_token]');
$html[] = $this->getHTLMtextfield('Administrator ID',$fb_admin,'[fb_admin]');
if (count($fb_ids)==0) {
$html[] = $this->getHTLMmsgfield('Choose the walls account,groups or pages where to publish','fb_message');
}
$html[] = $this->getHTLMmsgfield('Admin account','');
$html[] = $this->getHTLMcheckboxfield('Wall ID::Administrator ID',$fb_admin,'[fb_ids][]',(in_array($fb_admin, $fb_ids) ? " checked='checked'" : ""));
try {
$groups = $facebook->api('/'.$fb_admin.'/groups/','GET', array('access_token' => $fb_token));
} catch (FacebookApiException $e) {
$this->show($e);
$groups = null;
}
if ($groups && $groups['data'] && is_array($groups['data']) && count($groups['data']) > 0) {
$html[] = $this->getHTLMmsgfield('Groups','');
foreach($groups['data'] as $group) {
$html[] = $this->getHTLMcheckboxfield($group['name'],$group['id'],'[fb_ids][]',(in_array($group['id'], $fb_ids) ? " checked='checked'" : ""));
}
}
try {
$pages = $facebook->api('/'.$fb_admin.'/accounts/', 'GET', array('access_token' => $fb_token));
} catch (FacebookApiException $e) {
$this->show($e);
$pages = null;
}
if ($pages && $pages['data'] && is_array($pages['data']) && count($pages['data']) > 0) {
$html[] = $this->getHTLMmsgfield('Pages','');
foreach($pages['data'] as $page) {
if ($page['category'] != 'Application') {
$html[] = $this->getHTLMcheckboxfield($page['name'],$page['id'],'[fb_ids][]',(in_array($page['id'], $fb_ids) ? " checked='checked'" : ""));
}
}
}
} else { //if access token is not valid or missing
$code = JRequest::getVar('code');
if ($code && !empty($code)) {
$uri= JFactory::getURI();
$url=urlencode($uri->current().'?'.$uri->getQuery());
$token_url = "https://graph.facebook.com/oauth/access_token?client_id=".$fb_app_id."&redirect_uri=".$url."&client_secret=".$fb_secret_key."&code=".$code;
$response = $this->get_url_contents($token_url);
if (empty($response)||preg_match('/error/i',$response)){
JFactory::getApplication()->enqueueMessage( 'Error on access token:<pre>'.$response.'</pre>', 'error' );
} else {
$params = null;
parse_str($response, $params);
$fb_token = $params['access_token'];
}
$html[] = $this->getHTLMtextfield('Access Token',$fb_token,'[fb_token]');
$html[] = '<input type="hidden" name="'.$this->name.'[fb_admin]" value="" />';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_ids]" value="" />';
$html[] = $this->getHTLMmsgfield('Save to complete the configuration of the Facebook Application','fb_message');
} else {
$fb_token='';
$fb_admin='';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_token]" value="" />';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_admin]" value="" />';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_ids]" value="" />';
$html[] = $this->getHTLMmsgfield('Click the link to connect the Facebook Application <a class="fb_button" href="'.$loginUrl.'" title="Facebook login">Facebook login</a>','fb_message');
}
}
} else {
$fb_token='';
$fb_admin='';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_token]" value="" />';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_admin]" value="" />';
$html[] = '<input type="hidden" name="'.$this->name.'[fb_ids]" value="" />';
}
$html[] = '<style>.fb_message {border: 2px solid #a00;background-color: #FAF2EA;padding: 10px;margin: 5px;display: inline-block;}</style>';
$code=implode($html);
return $code;
}
protected function getInput(){
$fbparams = $this->form->getValue('params');
$fb_enable_autopublish = $fbparams->fb_enable_autopublish;
if ($fb_enable_autopublish=='0') return '';
$fb_app_id = $fbparams->fb_app_id;
$fb_secret_key = $fbparams->fb_secret_key;
$fb_token = (isset($fbparams->fb_extra_params))?$fbparams->fb_extra_params['fb_token']:'';
$fb_admin = (isset($fbparams->fb_extra_params))?$fbparams->fb_extra_params['fb_admin']:'';
if (!isset($fbparams->fb_extra_params) || $fbparams->fb_extra_params['fb_ids']=='') {
$fb_ids = array();
} else {
$fb_ids = $fbparams->fb_extra_params['fb_ids'];
}
echo "<div id='fb_extra_params'><ul>";
if (($fb_app_id != '') && ($fb_secret_key != '')) {
$facebook = new Facebook(array('appId' => $fb_app_id, 'secret' => $fb_secret_key));
$user = $facebook->getUser();
$uri= JFactory::getURI();
$url=urlencode($uri->current().'?'.$uri->getQuery());
$loginUrl = "https://www.facebook.com/dialog/oauth?client_id=".$fb_app_id."&redirect_uri=".$url."&scope=publish_stream,publish_actions,offline_access,manage_pages,user_groups";
if ($fb_token != '') { //if there is a token => check the token
$facebook->setAccessToken($fb_token);
try {
$user=$facebook->api('/me');
} catch (Exception $e) {
//Access token is not valid
$user=null;
}
} else {
//Access token missing
$user=null;
}
if ($user) { //access token ok
$fb_admin = $user['id'];
echo "<li><label id='jform_params_fbextraparams_fb_token-lbl' for='jform_params_fbextraparams_fb_token' class='hasTip' title='Facebook security access token'>Access Token</label>
<input type='text' name='jform[params][".$this->fieldname."][fb_token]' id='jform_params_fbextraparams_fb_token' value='".$fb_token."' size='50'/></li>";
echo "<li><label id='jform_params_fbextraparams_fb_admin-lbl' for='jform_params_fbextraparams_fb_admin' class='hasTip' title='Administrator ID'>Autopublish administrator ID</label>
<input type='text' name='jform[params][".$this->fieldname."][fb_admin]' id='jform_params_fbextraparams_fb_admin' value='".$fb_admin."' size='50'/></li>";
if (count($fb_ids)==0) {
echo "<li><div class='fb_box'><label class='fb_message'>Choose the walls account,groups or pages where to publish</label></div></li>";
}
echo "<li><label class='fb_bold'>Admin account</label></li>";
echo "<li><label class='hasTip' title='Wall ID::Administrator ID'>".$user['name']."</label>
<input type='checkbox' name='jform[params][".$this->fieldname."][fb_ids][]' value='".$fb_admin."'".(in_array($fb_admin, $fb_ids) ? " checked='checked'" : "")."></li>";
try {
$groups = $facebook->api('/'.$fb_admin.'/groups/','GET', array('access_token' => $fb_token));
} catch (FacebookApiException $e) {
$this->show($e);
$groups = null;
}
if ($groups && $groups['data'] && is_array($groups['data']) && count($groups['data']) > 0) {
echo "<li><label class='fb_bold'>Groups</label></li>";
foreach($groups['data'] as $group) {
echo "<li><label class='fb_label'>".$group['name']."</label>
<input type='checkbox' name='jform[params][".$this->fieldname."][fb_ids][]' value='".$group['id']."'".(in_array($group['id'], $fb_ids) ? " checked='checked'" : "")."></li>";
}
}
try {
$pages = $facebook->api('/'.$fb_admin.'/accounts/', 'GET', array('access_token' => $fb_token));
} catch (FacebookApiException $e) {
$this->show($e);
$pages = null;
}
if ($pages && $pages['data'] && is_array($pages['data']) && count($pages['data']) > 0) {
echo "<li><label class='fb_bold'>Pages</label></li>";
foreach($pages['data'] as $page) {
if ($page['category'] != 'Application') {
echo "<li><label class='fb_label'>".$page['name']."</label>
<input type='checkbox' name='jform[params][".$this->fieldname."][fb_ids][]' value='".$page['id']."'".(in_array($page['id'], $fb_ids) ? " checked='checked'" : "")."></li>";
}
}
}
} else { //if access token is not valid or missing
$code = JRequest::getVar('code');
if ($code && !empty($code)) {
$uri= JFactory::getURI();
$url=urlencode($uri->current().'?'.$uri->getQuery());
$token_url = "https://graph.facebook.com/oauth/access_token?client_id=".$fb_app_id."&redirect_uri=".$url."&client_secret=".$fb_secret_key."&code=".$code;
$response = $this->get_url_contents($token_url);
if (empty($response)||preg_match('/error/i',$response)){
JFactory::getApplication()->enqueueMessage( 'Error on access token:<pre>'.$response.'</pre>', 'error' );
} else {
$params = null;
parse_str($response, $params);
$fb_token = $params['access_token'];
}
echo "<li><label id='jform_params_fbextraparams_fb_token-lbl' for='jform_params_fbextraparams_fb_token' class='hasTip' title='Facebook security access token'>Access Token</label>
<input type='text' name='jform[params][".$this->fieldname."][fb_token]' id='jform_params_fbextraparams_fb_token' value='".$fb_token."' size='50'/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_admin]' value=''/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_ids]' value=''/></li>";
echo "<li><div class='fb_box'><label class='fb_message'>Save to complete the configuration of the Facebook Application</label></div></li>";
} else {
$fb_token='';
$fb_admin='';
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_token]' value=''/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_admin]' value=''/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_ids]' value=''/></li>";
echo "<li><div class='fb_box'><label class='fb_message'>Click the link to connect the Facebook Application</label>
<a class='fb_button' href='".$loginUrl."' title='Facebook login'>Facebook login</a></div></li>";
}
}
} else {
$fb_token='';
$fb_admin='';
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_token]' id='jform_params_fbextraparams_fb_token' value=''/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_admin]' id='jform_params_fbextraparams_fb_admin' value=''/></li>";
echo "<li><input type='hidden' name='jform[params][".$this->fieldname."][fb_ids]' id='jform_params_fbextraparams_fb_ids' value='".array()."'/></li>";
}
echo "</ul>";
echo "</div>";
echo "<style> .controls #fb_extra_params {margin-left: -160px;} #fb_extra_params li,#fb_extra_params ul{list-style: none;list-style-type: none;margin:0;padding:0;}
#fb_extra_params input {float: left;margin: 2px 5px 5px 0;width: auto;padding: 2px;}
#fb_extra_params label {line-height: 2em;clear: left;min-width: 12em;float: left;margin:5px 5px 10px 0; font-weight: bold;margin: 0;padding: 0;border: 0;background: transparent;} .fb_bold { font-weight:bold; color:#686;} .fb_label{font-size:11px;width:145px;}
div.fb_box label.fb_message { font-weight:bold; color:#600; width: auto; max-width:auto; background-color: #FEE; padding: 5px 8px; border: 1px solid #F99; float: none; margin: 5px auto;}
.fb_box { display: block; float: left; clear: left; text-align: center; width: 100%; }
.fb_button { display: inline-block; padding: 6px 8px; font-size: 12px; font-weight: bold; border: 1px solid #CCD; margin: 5px; text-decoration: none;}</style>";
}
private function get_url_contents($url){
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL,$url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$ret = curl_exec($ch);
curl_close($ch);
return $ret;
}
private function Show($var, $mode = 'message'){
JFactory::getApplication()->enqueueMessage('<pre>' . print_r($var,true) . '</pre>',$mode);
}
}
?>