[TwitterBridge] Fix the bridge using a brand new API

bridges/TwitterBridge.php

@@ -2,6 +2,7 @@
 class TwitterBridge extends BridgeAbstract {
 	const NAME = 'Twitter Bridge';
 	const URI = 'https://twitter.com/';
+	const API_URI = 'https://api.twitter.com';
 	const CACHE_TIMEOUT = 300; // 5min
 	const DESCRIPTION = 'returns tweets';
 	const MAINTAINER = 'pmaziere';
@@ -168,6 +169,27 @@ EOD
 		}
 	}
 
+	public function getApiURI() {
+		switch($this->queriedContext) {
+		case 'By keyword or hashtag':
+			return self::API_URI
+			. '/2/search/adaptive.json?q='
+			. urlencode($this->getInput('q'))
+			. '&tweet_mode=extended';
+		case 'By username':
+			return self::API_URI
+			. '/2/timeline/profile/'
+			. $this->getRestId($this->getInput('u'))
+			. '.json?tweet_mode=extended';
+		case 'By list':
+			return self::API_URI
+			. '/2/timeline/list.json?list_id='
+			. $this->getListId($this->getInput('user'), $this->getInput('list'))
+			. '&tweet_mode=extended';
+		default: returnServerError('Invalid query context !');
+		}
+	}
+
 	public function collectData(){
 		$html = '';
 		$page = $this->getURI();
@@ -176,14 +198,9 @@ EOD
 			'User-Agent: Mozilla/5.0 (Windows NT 9.0; WOW64; Trident/7.0; rv:11.0) like Gecko'
 		);
 
-		if(php_sapi_name() === 'cli' && empty(ini_get('curl.cainfo'))) {
+		$data = json_decode($this->getApiContents($this->getApiURI()));
-			$cookies = $this->getCookies($page);
-			$html = getSimpleHTMLDOM($page, array_merge($header, array("Cookie: $cookies")));
-		} else {
-			$html = getSimpleHTMLDOM($page, $header, array(CURLOPT_COOKIEFILE => ''));
-		}
 
-		if(!$html) {
+		if(!$data) {
 			switch($this->queriedContext) {
 			case 'By keyword or hashtag':
 				returnServerError('No results for this query.');
@@ -196,75 +213,33 @@ EOD
 
 		$hidePictures = $this->getInput('nopic');
 
-		foreach($html->find('div.js-stream-tweet') as $tweet) {
+		foreach($data->globalObjects->tweets as $tweet) {
 
 			// Skip retweets?
 			if($this->getInput('noretweet')
-			&& $tweet->find('div.context span.js-retweet-text a', 0)) {
+			&& isset($tweet->retweeted_status_id_str)) {
-				continue;
-			}
-
-			// remove 'invisible' content
-			foreach($tweet->find('.invisible') as $invisible) {
-				$invisible->outertext = '';
-			}
-
-			// Skip protmoted tweets
-			$heading = $tweet->previousSibling();
-			if(!is_null($heading) &&
-				$heading->getAttribute('class') === 'promoted-tweet-heading'
-			) {
 				continue;
 			}
 
 			$item = array();
 			// extract username and sanitize
-			$item['username'] = htmlspecialchars_decode($tweet->getAttribute('data-screen-name'), ENT_QUOTES);
+			$user_info = $this->getUserInformation($tweet->user_id_str, $data->globalObjects);
-			// extract fullname (pseudonym)
+
-			$item['fullname'] = htmlspecialchars_decode($tweet->getAttribute('data-name'), ENT_QUOTES);
+			$item['username'] = $user_info->name;
-			// get author
+			$item['fullname'] = $user_info->screen_name;
 			$item['author'] = $item['fullname'] . ' (@' . $item['username'] . ')';
-			if($rt = $tweet->find('div.context span.js-retweet-text a', 0)) {
+			$item['avatar'] = $user_info->profile_image_url_https;
-				$item['author'] .= ' RT: @' . $rt->plaintext;
+
-			}
+			$item['id'] = $tweet->id_str;
-			// get avatar link
+			$item['uri'] = self::URI . $tweet->user_id_str . '/status/' . $item['id'];
-			$item['avatar'] = $tweet->find('img', 0)->src;
-			// get TweetID
-			$item['id'] = $tweet->getAttribute('data-tweet-id');
-			// get tweet link
-			$item['uri'] = self::URI . substr($tweet->find('a.js-permalink', 0)->getAttribute('href'), 1);
 			// extract tweet timestamp
-			$item['timestamp'] = $tweet->find('span.js-short-timestamp', 0)->getAttribute('data-time');
+			$item['timestamp'] = $tweet->created_at;
+
 			// generate the title
-			$item['title'] = strip_tags($this->fixAnchorSpacing(htmlspecialchars_decode(
+			$item['title'] = $tweet->full_text;
-				$tweet->find('p.js-tweet-text', 0), ENT_QUOTES), '<a>'));
+			$cleanedTweet  = $tweet->full_text;
 
-			switch($this->queriedContext) {
+			// Add avatar
-				case 'By list':
-					// Check if filter applies to list (using raw content)
-					if($this->getInput('filter')) {
-						if(stripos($tweet->find('p.js-tweet-text', 0)->plaintext, $this->getInput('filter')) === false) {
-							continue 2; // switch + for-loop!
-						}
-					}
-					break;
-				default:
-			}
-
-			$this->processContentLinks($tweet);
-			$this->processEmojis($tweet);
-
-			// get tweet text
-			$cleanedTweet = str_replace(
-				'href="/',
-				'href="' . self::URI,
-				$tweet->find('p.js-tweet-text', 0)->innertext
-			);
-
-			// fix anchors missing spaces in-between
-			$cleanedTweet = $this->fixAnchorSpacing($cleanedTweet);
-
-			// Add picture to content
 			$picture_html = '';
 			if(!$hidePictures) {
 				$picture_html = <<<EOD
@@ -278,31 +253,37 @@ EOD
 EOD;
 			}
 
-			// Add embeded image to content
+			// Get images
 			$image_html = '';
-			$images = $this->getImageURI($tweet);
+			if(isset($tweet->extended_entities->media) && !$this->getInput('noimg')) {
-			if(!$this->getInput('noimg') && !is_null($images)) {
+				foreach($tweet->extended_entities->media as $media) {
-
+					$image = $media->media_url_https;
-				foreach ($images as $image) {
+					$display_image = $media->display_url;
-
-					// Set image scaling
-					$image_orig = $this->getInput('noimgscaling') ? $image : $image . ':orig';
-					$image_thumb = $this->getInput('noimgscaling') ? $image : $image . ':thumb';
-
 					// add enclosures
-					$item['enclosures'][] = $image_orig;
+					$item['enclosures'][] = $image;
 
 					$image_html .= <<<EOD
-<a href="{$image_orig}">
+<a href="{$image}">
 <img
 	style="align:top; max-width:558px; border:1px solid black;"
-	src="{$image_thumb}" />
+	src="{$display_image}" />
 </a>
 EOD;
 				}
 			}
 
-			// add content
+			switch($this->queriedContext) {
+				case 'By list':
+					// Check if filter applies to list (using raw content)
+					if($this->getInput('filter')) {
+						if(stripos($cleanedTweet, $this->getInput('filter')) === false) {
+							continue 2; // switch + for-loop!
+						}
+					}
+					break;
+				default:
+			}
+
 			$item['content'] = <<<EOD
 <div style="display: inline-block; vertical-align: top;">
 	{$picture_html}
@@ -315,151 +296,85 @@ EOD;
 </div>
 EOD;
 
-			// add quoted tweet
-			$quotedTweet = $tweet->find('div.QuoteTweet', 0);
-			if($quotedTweet) {
-				// get tweet text
-				$cleanedQuotedTweet = str_replace(
-					'href="/',
-					'href="' . self::URI,
-					$quotedTweet->find('div.tweet-text', 0)->innertext
-				);
-
-				$this->processContentLinks($quotedTweet);
-				$this->processEmojis($quotedTweet);
-
-				// Add embeded image to content
-				$quotedImage_html = '';
-				$quotedImages = $this->getQuotedImageURI($tweet);
-
-				if(!$this->getInput('noimg') && !is_null($quotedImages)) {
-
-					foreach ($quotedImages as $image) {
-
-						// Set image scaling
-						$image_orig = $this->getInput('noimgscaling') ? $image : $image . ':orig';
-						$image_thumb = $this->getInput('noimgscaling') ? $image : $image . ':thumb';
-
-						// add enclosures
-						$item['enclosures'][] = $image_orig;
-
-						$quotedImage_html .= <<<EOD
-<a href="{$image_orig}">
-<img
-	style="align:top; max-width:558px; border:1px solid black;"
-	src="{$image_thumb}" />
-</a>
-EOD;
-					}
-				}
-
-				$item['content'] = <<<EOD
-{$item['content']}
-<hr>
-<div style="display: inline-block; vertical-align: top;">
-	<blockquote>{$cleanedQuotedTweet}</blockquote>
-</div>
-<div style="display: block; vertical-align: top;">
-	<blockquote>{$quotedImage_html}</blockquote>
-</div>
-EOD;
-			}
 			$item['content'] = htmlspecialchars_decode($item['content'], ENT_QUOTES);
 
 			// put out
 			$this->items[] = $item;
 		}
+
+		usort($this->items, array('TwitterBridge', 'compareTweetId'));
 	}
 
-	private function processEmojis($tweet){
+	private static function compareTweetId($tweet1, $tweet2) {
-		// process emojis (reduce size)
+		return (intval($tweet1['id']) < intval($tweet2['id']) ? 1 : -1);
-		foreach($tweet->find('img.Emoji') as $img) {
+	}
-			$img->style .= ' height: 1em;';
+
+	//The aim of this function is to get an API key and a guest token
+	//This function takes 2 requests, and therefore is cached
+	private function getApiKey() {
+
+		$cacheFac = new CacheFactory();
+		$cacheFac->setWorkingDir(PATH_LIB_CACHES);
+		$cache = $cacheFac->create(Configuration::getConfig('cache', 'type'));
+		$cache->setScope(get_called_class());
+		$cache->setKey(array('api_key'));
+		$data = $cache->loadData();
+
+		if($data === null) {
+			$twitterPage = getContents('https://twitter.com');
+			$jsMainRegex = '/(https:\/\/abs\.twimg\.com\/responsive-web\/web\/main\.[^\.]+\.js)/m';
+			preg_match_all($jsMainRegex, $twitterPage, $jsMainMatches, PREG_SET_ORDER, 0);
+			$jsLink = $jsMainMatches[0][0];
+			$guestTokenRegex = '/gt=([0-9]*)/m';
+			preg_match_all($guestTokenRegex, $twitterPage, $guestTokenMatches, PREG_SET_ORDER, 0);
+			$guestToken = $guestTokenMatches[0][1];
+
+			$jsContent = getContents($jsLink);
+			$apiKeyRegex = '/([a-zA-Z0-9]{59}%[a-zA-Z0-9]{44})/m';
+			preg_match_all($apiKeyRegex, $jsContent, $apiKeyMatches, PREG_SET_ORDER, 0);
+			$apiKey = $apiKeyMatches[0][0];
+			$cache->saveData(array($apiKey, $guestToken));
+			return array($apiKey, $guestToken);
 		}
+
+		return $data;
+
 	}
 
-	private function processContentLinks($tweet){
+	private function getApiContents($uri) {
-		// processing content links
+		$apiKeys = $this->getApiKey();
-		foreach($tweet->find('a') as $link) {
+		$headers = array('authorization: Bearer ' . $apiKeys[0],
-			if($link->hasAttribute('data-expanded-url')) {
+				 'x-guest-token: ' . $apiKeys[1],
-				$link->href = $link->getAttribute('data-expanded-url');
+			   );
-			}
+		return getContents($uri, $headers);
-			$link->removeAttribute('data-expanded-url');
-			$link->removeAttribute('data-query-source');
-			$link->removeAttribute('rel');
-			$link->removeAttribute('class');
-			$link->removeAttribute('target');
-			$link->removeAttribute('title');
-		}
 	}
 
-	private function fixAnchorSpacing($content){
+	private function getRestId($username) {
-		// fix anchors missing spaces in-between
+		$searchparams = urlencode('{"screen_name":"' . strtolower($username) . '", "withHighlightedLabel":true}');
-		return str_replace(
+		$searchURL = self::API_URI . '/graphql/-xfUfZsnR_zqjFd-IfrN5A/UserByScreenName?variables=' . $searchparams;
-			'<a',
+		$searchResult = $this->getApiContents($searchURL);
-			' <a',
+		$searchResult = json_decode($searchResult);
-			$content
+		return $searchResult->data->user->rest_id;
-		);
 	}
 
-	private function getImageURI($tweet){
+	private function getListId($username, $listName) {
-		// Find media in tweet
+		$searchparams = urlencode('{"screenName":"'
-		$images = array();
+				. strtolower($username)
+				. '", "listSlug": "'
+				. $listName
+				. '", "withHighlightedLabel":false}');
+		$searchURL = self::API_URI . '/graphql/ErWsz9cObLel1BF-HjuBlA/ListBySlug?variables=' . $searchparams;
+		$searchResult = $this->getApiContents($searchURL);
+		$searchResult = json_decode($searchResult);
+		return $searchResult->data->user_by_screen_name->list->id_str;
+	}
 
-		$container = $tweet->find('div.AdaptiveMedia-container', 0);
+	private function getUserInformation($userId, $apiData) {
-
+		foreach($apiData->users as $user) {
-		if($container && $container->find('img', 0)) {
+			if($user->id_str == $userId) {
-			foreach ($container->find('img') as $img) {
+				return $user;
-				$images[] = $img->src;
 			}
 		}
-
-		if (!empty($images)) {
-			return $images;
-		}
-
-		return null;
 	}
 
-	private function getQuotedImageURI($tweet){
-		// Find media in tweet
-		$images = array();
-
-		$container = $tweet->find('div.QuoteMedia-container', 0);
-
-		if($container && $container->find('img', 0)) {
-			foreach ($container->find('img') as $img) {
-				$images[] = $img->src;
-			}
-		}
-
-		if (!empty($images)) {
-			return $images;
-		}
-
-		return null;
-	}
-
-	private function getCookies($pageURL){
-
-		$ctx = stream_context_create(array(
-			'http' => array(
-				'follow_location' => false
-				)
-			)
-		);
-		$a = file_get_contents($pageURL, 0, $ctx);
-
-		//First request to get the cookie
-		$cookies = '';
-		foreach($http_response_header as $hdr) {
-			if(stripos($hdr, 'Set-Cookie') !== false) {
-				$cLine = explode(':', $hdr)[1];
-				$cLine = explode(';', $cLine)[0];
-				$cookies .= ';' . $cLine;
-			}
-		}
-
-		return substr($cookies, 2);
-	}
 }