array( 'name'=>'Username', 'required'=>true ) )); private $authorName=''; public function collectData(){ //Extract a string using start and end delimiters function ExtractFromDelimiters($string, $start, $end) { if (strpos($string, $start) !== false) { $section_retrieved = substr($string, strpos($string, $start) + strlen($start)); $section_retrieved = substr($section_retrieved, 0, strpos($section_retrieved, $end)); return $section_retrieved; } return false; } //Utility function for cleaning a Facebook link $unescape_fb_link = function ($matches) { if (is_array($matches) && count($matches) > 1) { $link = $matches[1]; if (strpos($link, '/') === 0) $link = self::URI.$link.'"'; if (strpos($link, 'facebook.com/l.php?u=') !== false) $link = urldecode(ExtractFromDelimiters($link, 'facebook.com/l.php?u=', '&')); return ' href="'.$link.'"'; } }; //Utility function for converting facebook emoticons $unescape_fb_emote = function ($matches) { static $facebook_emoticons = array( 'smile' => ':)', 'frown' => ':(', 'tongue' => ':P', 'grin' => ':D', 'gasp' => ':O', 'wink' => ';)', 'pacman' => ':<', 'grumpy' => '>_<', 'unsure' => ':/', 'cry' => ':\'(', 'kiki' => '^_^', 'glasses' => '8-)', 'sunglasses' => 'B-)', 'heart' => '<3', 'devil' => ']:D', 'angel' => '0:)', 'squint' => '-_-', 'confused' => 'o_O', 'upset' => 'xD', 'colonthree' => ':3', 'like' => '👍'); $len = count($matches); if ($len > 1) for ($i = 1; $i < $len; $i++) foreach ($facebook_emoticons as $name => $emote) if ($matches[$i] === $name) return $emote; return $matches[0]; }; $html = null; //Handle captcha response sent by the viewer if (isset($_POST['captcha_response'])) { if (session_status() == PHP_SESSION_NONE) session_start(); if (isset($_SESSION['captcha_fields'], $_SESSION['captcha_action'])) { $captcha_action = $_SESSION['captcha_action']; $captcha_fields = $_SESSION['captcha_fields']; $captcha_fields['captcha_response'] = preg_replace("/[^a-zA-Z0-9]+/", "", $_POST['captcha_response']); $http_options = array( 'http' => array( 'method' => 'POST', 'user_agent'=> ini_get('user_agent'), 'header'=>array("Content-type: application/x-www-form-urlencoded\r\nReferer: $captcha_action\r\nCookie: noscript=1\r\n"), 'content' => http_build_query($captcha_fields), ), ); $context = stream_context_create($http_options); $html = getContents($captcha_action, false, $context); if ($html === FALSE) { returnServerError('Failed to submit captcha response back to Facebook'); } unset($_SESSION['captcha_fields']); $html = str_get_html($html); } unset($_SESSION['captcha_fields']); unset($_SESSION['captcha_action']); } //Retrieve page contents if (is_null($html)) { if (!strpos($this->getInput('u'), "/")) { $html = getSimpleHTMLDOM(self::URI.urlencode($this->getInput('u')).'?_fb_noscript=1') or returnServerError('No results for this query.'); } else { $html = getSimpleHTMLDOM(self::URI.'pages/'.$this->getInput('u').'?_fb_noscript=1') or returnServerError('No results for this query.'); } } //Handle captcha form? $captcha = $html->find('div.captcha_interstitial', 0); if (!is_null($captcha)) { //Save form for submitting after getting captcha response if (session_status() == PHP_SESSION_NONE) session_start(); $captcha_fields = array(); foreach ($captcha->find('input, button') as $input) $captcha_fields[$input->name] = $input->value; $_SESSION['captcha_fields'] = $captcha_fields; $_SESSION['captcha_action'] = $captcha->find('form', 0)->action; //Show captcha filling form to the viewer, proxying the captcha image $img = base64_encode(getContents($captcha->find('img', 0)->src)); header('HTTP/1.1 500 '.Http::getMessageForCode(500)); header('Content-Type: text/html'); die('
' .'

Facebook captcha challenge

' .'

Unfortunately, rss-bridge cannot fetch the requested page.
' .'Facebook wants rss-bridge to resolve the following captcha:

' .'

' .'

Response: ' .'

' .'
'); } //No captcha? We can carry on retrieving page contents :) $element = $html->find('#pagelet_timeline_main_column')[0]->children(0)->children(0)->children(0)->next_sibling()->children(0); if(isset($element)) { $author = str_replace(' | Facebook', '', $html->find('title#pageTitle', 0)->innertext); $profilePic = 'https://graph.facebook.com/'.$this->getInput('u').'/picture?width=200&height=200'; $this->authorName = $author; foreach($element->children() as $post) { // Ignore summary posts if ( strpos($post->class, '_3xaf') !== false ) continue; $item = array(); if (count($post->find('abbr')) > 0) { //Retrieve post contents $content = preg_replace('/(?i)>
]+)>(.+?)div\ class=\"userContent\"/i', '', $post); $content = preg_replace('/(?i)>
]+)>(.+?)<\/div><\/div>
]+)>(.+?)div\ class=\"[^u]+userContent\"/i', '', $content); $content = preg_replace('/(?i)>
]+)>(.+?)<\/div>/i', '', $content); //Remove html nodes, keep only img, links, basic formatting $content = strip_tags($content,'

'); //Adapt link hrefs: convert relative links into absolute links and bypass external link redirection $content = preg_replace_callback('/ href=\"([^"]+)\"/i', $unescape_fb_link, $content); //Clean useless html tag properties and fix link closing tags foreach (array('onmouseover', 'onclick', 'target', 'ajaxify', 'tabindex', 'class', 'style', 'data-[^=]*', 'aria-[^=]*', 'role', 'rel', 'id') as $property_name) $content = preg_replace('/ '.$property_name.'=\"[^"]*\"/i', '', $content); $content = preg_replace('/<\/a [^>]+>/i', '', $content); //Convert textual representation of emoticons eg "smile emoticon" back to ASCII emoticons eg ":)" $content = preg_replace_callback('/([^ <>]+) ([^<>]+)<\/u><\/i>/i', $unescape_fb_emote, $content); //Retrieve date of the post $date = $post->find("abbr")[0]; if(isset($date) && $date->hasAttribute('data-utime')) { $date = $date->getAttribute('data-utime'); } else { $date = 0; } //Build title from username and content $title = $author; if (strlen($title) > 24) $title = substr($title, 0, strpos(wordwrap($title, 24), "\n")).'...'; $title = $title.' | '.strip_tags($content); if (strlen($title) > 64) $title = substr($title, 0, strpos(wordwrap($title, 64), "\n")).'...'; //Build and add final item $item['uri'] = self::URI.$post->find('abbr')[0]->parent()->getAttribute('href'); $item['content'] = $content; $item['title'] = $title; $item['author'] = $author; $item['timestamp'] = $date; $this->items[] = $item; } } } } public function getName() { return isset($this->extraInfos['name']) ? $this->extraInfos['name'] : $this->authorName.' - Facebook Bridge'; } }