'); + + //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); + + + + $item['content'] = $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")).'...'; + + $item['title'] = $title; + $item['author'] = $author; + + array_push($this->items, $item); + + } + + } + + + // Currently not used. Is used to get more than only 3 elements, as they appear on another page. + private function computeNextLink($string, $pageID) { + + $regex = "/timeline_unit\\\\\\\\u00253A1\\\\\\\\u00253A([0-9]*)\\\\\\\\u00253A([0-9]*)\\\\\\\\u00253A([0-9]*)\\\\\\\\u00253A([0-9]*)/"; + preg_match($regex, $string, $result); + + return "https://touch.facebook.com/pages_reaction_units/more/?page_id=".$pageID."&cursor=%7B%22timeline_cursor%22%3A%22timeline_unit%3A1%3A".$result[1]."%3A".$result[2]."%3A".$result[3]."%3A".$result[4]."%22%2C%22timeline_section_cursor%22%3A%7B%7D%2C%22has_next_page%22%3Atrue%7D&surface=mobile_page_home&unit_count=3"; + + + } + + //Builds the HTML from the encoded JS that Facebook provides. + private function buildContent($pageContent) { + + $regex = "/\\\"html\\\":\\\"(.*?)\\\",\\\"replace/"; + preg_match($regex, $pageContent, $result); + + return str_get_html(html_entity_decode(json_decode('"' . $result[1] . '"'))); + + } + + + //Builds the cookie from the page, as Facebook sometimes refuses to give the page if no cookie is provided. + private function getCookies($pageURL) { + + $ctx = stream_context_create(array( + 'http' => array( + 'user_agent' => "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0", + 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' + ) + ) + ); + $a = file_get_contents($pageURL, 0, $ctx); + + //First request to get the cookie + $cookies = ""; + foreach ($http_response_header as $hdr) { + if(strpos($hdr, "Set-Cookie") !== false) { + $cLine = explode(":", $hdr)[1]; + $cLine = explode(";", $cLine)[0]; + $cookies .= ";".$cLine; + } + } + + return substr($cookies, 1); + + } + + //Get the page ID from the Facebook page. + private function getPageID($page, $cookies) { + + $context = stream_context_create(array( + 'http' => array( + 'user_agent' => "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0", + 'header' => 'Cookie: ' .$cookies + ) + ) + ); + + $pageContent = file_get_contents($page, 0, $context); + + //Get the page ID if we don't have a captcha + $regex = "/page_id=([0-9]*)&/"; + preg_match($regex, $pageContent, $matches); + + if(count($matches) > 0) { + + return $matches[1]; + + } + + //Get the page ID if we do have a captcha + $regex = "/\"pageID\":\"([0-9]*)\"/"; + preg_match($regex, $pageContent, $matches); + + return $matches[1]; + + } + + public function getName() { + return (isset($this->name) ? $this->name.' - ' : '').'Facebook Bridge'; + } + + public function getURI() { + return 'http://facebook.com'; + } + + public function getCacheDuration() { + return 60 * 60 * 3; // 5 minutes + } +}