forked from blallo/rss-bridge
e582c887fb
Correction de la page d'accueuil pour qu'elle soit conforme aux standards du W3C. Correction de la regex de listage des fichiers pour qu'elle ignore les sauvegardes. Ajout d'un nettoyeur HTML, par défaut.
171 lines
5.7 KiB
PHP
171 lines
5.7 KiB
PHP
<?php
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class FacebookBridge extends BridgeAbstract{
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public function loadMetadatas() {
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$this->maintainer = "teromene";
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$this->name = "Facebook";
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$this->uri = "http://facebook.com/";
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$this->description = "Input a page title or a profile log. For a profile log, please insert the parameter as follow : myExamplePage/132621766841117";
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$this->update = "23/10/2015";
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$this->parameters[] =
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'[
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{
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"name" : "Username",
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"identifier" : "u",
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"required" : "required"
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}
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]';
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}
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public function collectData(array $param){
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//Extract a string using start and end delimiters
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function ExtractFromDelimiters($string, $start, $end) {
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if (strpos($string, $start) !== false) {
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$section_retrieved = substr($string, strpos($string, $start) + strlen($start));
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$section_retrieved = substr($section_retrieved, 0, strpos($section_retrieved, $end));
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return $section_retrieved;
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} return false;
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}
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//Utility function for cleaning a Facebook link
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$unescape_fb_link = function ($matches) {
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if (is_array($matches) && count($matches) > 1) {
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$link = $matches[1];
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if (strpos($link, '/') === 0)
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$link = 'https://facebook.com'.$link.'"';
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if (strpos($link, 'facebook.com/l.php?u=') !== false)
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$link = urldecode(ExtractFromDelimiters($link, 'facebook.com/l.php?u=', '&'));
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return ' href="'.$link.'"';
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}
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};
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//Utility function for converting facebook emoticons
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$unescape_fb_emote = function ($matches) {
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static $facebook_emoticons = array(
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'smile' => ':)',
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'frown' => ':(',
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'tongue' => ':P',
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'grin' => ':D',
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'gasp' => ':O',
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'wink' => ';)',
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'pacman' => ':<',
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'grumpy' => '>_<',
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'unsure' => ':/',
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'cry' => ':\'(',
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'kiki' => '^_^',
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'glasses' => '8-)',
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'sunglasses' => 'B-)',
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'heart' => '<3',
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'devil' => ']:D',
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'angel' => '0:)',
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'squint' => '-_-',
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'confused' => 'o_O',
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'upset' => 'xD',
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'colonthree' => ':3',
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'like' => '👍');
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$len = count($matches);
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if ($len > 1)
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for ($i = 1; $i < $len; $i++)
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foreach ($facebook_emoticons as $name => $emote)
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if ($matches[$i] === $name)
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return $emote;
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return $matches[0];
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};
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$html = '';
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if(isset($param['u'])) {
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if(!strpos($param['u'], "/")) {
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$html = file_get_html('https://facebook.com/'.urlencode($param['u']).'?_fb_noscript=1') or $this->returnError('No results for this query.', 404);
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} else {
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$html = file_get_html('https://facebook.com/pages/'.$param['u'].'?_fb_noscript=1') or $this->returnError('No results for this query.', 404);
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}
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} else {
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$this->returnError('You must specify a Facebook username.', 400);
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}
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$element = $html->find('[id^=PagePostsSectionPagelet-]')[0]->children(0)->children(0);
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if(isset($element)) {
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$author = str_replace(' | Facebook', '', $html->find('title#pageTitle', 0)->innertext);
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$profilePic = 'https://graph.facebook.com/'.$param['u'].'/picture?width=200&height=200';
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$this->name = $author;
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foreach($element->children() as $post) {
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$item = new \Item();
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if($post->hasAttribute("data-time")) {
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//Retrieve post contents
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$content = preg_replace('/(?i)><div class=\"clearfix([^>]+)>(.+?)div\ class=\"userContent\"/i', '', $post);
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$content = preg_replace('/(?i)><div class=\"_59tj([^>]+)>(.+?)<\/div><\/div><a/i', '', $content);
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$content = preg_replace('/(?i)><div class=\"_3dp([^>]+)>(.+?)div\ class=\"[^u]+userContent\"/i', '', $content);
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$content = preg_replace('/(?i)><div class=\"_4l5([^>]+)>(.+?)<\/div>/i', '', $content);
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//Remove html nodes, keep only img, links, basic formatting
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$content = strip_tags($content,'<a><img><i><u>');
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//Adapt link hrefs: convert relative links into absolute links and bypass external link redirection
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$content = preg_replace_callback('/ href=\"([^"]+)\"/i', $unescape_fb_link, $content);
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//Clean useless html tag properties and fix link closing tags
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foreach (array('onmouseover', 'onclick', 'target', 'ajaxify', 'tabindex',
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'class', 'style', 'data-[^=]*', 'aria-[^=]*', 'role', 'rel', 'id') as $property_name)
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$content = preg_replace('/ '.$property_name.'=\"[^"]*\"/i', '', $content);
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$content = preg_replace('/<\/a [^>]+>/i', '</a>', $content);
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//Convert textual representation of emoticons eg "<i><u>smile emoticon</u></i>" back to ASCII emoticons eg ":)"
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$content = preg_replace_callback('/<i><u>([^ <>]+) ([^<>]+)<\/u><\/i>/i', $unescape_fb_emote, $content);
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//Retrieve date of the post
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$date = $post->find("abbr")[0];
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if(isset($date) && $date->hasAttribute('data-utime')) {
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$date = $date->getAttribute('data-utime');
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} else {
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$date = 0;
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}
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//Build title from username and content
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$title = $author;
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if (strlen($title) > 24)
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$title = substr($title, 0, strpos(wordwrap($title, 24), "\n")).'...';
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$title = $title.' | '.strip_tags($content);
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if (strlen($title) > 64)
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$title = substr($title, 0, strpos(wordwrap($title, 64), "\n")).'...';
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//Use first image as thumbnail if available, or profile pic fallback
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$thumbnail = $post->find('img', 1)->src;
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if (strlen($thumbnail) == 0)
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$thumbnail = $profilePic;
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//Build and add final item
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$item->uri = 'https://facebook.com'.str_replace('&', '&', $post->find('abbr')[0]->parent()->getAttribute('href'));
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$item->thumbnailUri = $thumbnail;
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$item->content = $content;
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$item->title = $title;
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$item->author = $author;
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$item->timestamp = $date;
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$this->items[] = $item;
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}
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}
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}
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}
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public function getName() {
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return (isset($this->name) ? $this->name.' - ' : '').'Facebook Bridge';
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}
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public function getURI() {
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return 'http://facebook.com';
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}
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public function getCacheDuration() {
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return 300; // 5 minutes
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}
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}
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