mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-23 07:37:35 +00:00
545 lines
21 KiB
PHP
545 lines
21 KiB
PHP
<?php
|
||
|
||
class VkBridge extends BridgeAbstract
|
||
{
|
||
const MAINTAINER = 'em92';
|
||
// const MAINTAINER = 'pmaziere';
|
||
// const MAINTAINER = 'ahiles3005';
|
||
const NAME = 'VK.com';
|
||
const URI = 'https://vk.com/';
|
||
const CACHE_TIMEOUT = 300; // 5min
|
||
const DESCRIPTION = 'Working with open pages';
|
||
const PARAMETERS = [
|
||
[
|
||
'u' => [
|
||
'name' => 'Group or user name',
|
||
'exampleValue' => 'elonmusk_tech',
|
||
'required' => true
|
||
],
|
||
'hide_reposts' => [
|
||
'name' => 'Hide reposts',
|
||
'type' => 'checkbox',
|
||
]
|
||
]
|
||
];
|
||
const TEST_DETECT_PARAMETERS = [
|
||
'https://vk.com/id1' => ['u' => 'id1'],
|
||
'https://vk.com/groupname' => ['u' => 'groupname'],
|
||
'https://m.vk.com/groupname' => ['u' => 'groupname'],
|
||
'https://vk.com/groupname/anythingelse' => ['u' => 'groupname'],
|
||
'https://vk.com/groupname?w=somethingelse' => ['u' => 'groupname'],
|
||
'https://vk.com/with_underscore' => ['u' => 'with_underscore'],
|
||
'https://vk.com/vk.cats' => ['u' => 'vk.cats'],
|
||
];
|
||
|
||
protected $pageName;
|
||
protected $tz = 0;
|
||
private $urlRegex = '/vk\.com\/([\w.]+)/';
|
||
|
||
public function getURI()
|
||
{
|
||
if (!is_null($this->getInput('u'))) {
|
||
return static::URI . urlencode($this->getInput('u'));
|
||
}
|
||
|
||
return parent::getURI();
|
||
}
|
||
|
||
public function getName()
|
||
{
|
||
if ($this->pageName) {
|
||
return $this->pageName;
|
||
}
|
||
|
||
return parent::getName();
|
||
}
|
||
|
||
public function detectParameters($url)
|
||
{
|
||
if (preg_match($this->urlRegex, $url, $matches)) {
|
||
return ['u' => $matches[1]];
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
public function collectData()
|
||
{
|
||
$text_html = $this->getContents();
|
||
|
||
$text_html = iconv('windows-1251', 'utf-8//ignore', $text_html);
|
||
|
||
$html = str_get_html($text_html);
|
||
foreach ($html->find('script') as $script) {
|
||
preg_match('/tz: ([0-9]+)/', $script->outertext, $matches);
|
||
if (count($matches) > 0) {
|
||
$this->tz = intval($matches[1]);
|
||
break;
|
||
}
|
||
}
|
||
$pageName = $html->find('meta[property="og:title"]', 0);
|
||
if (is_object($pageName)) {
|
||
$pageName = $pageName->getAttribute('content');
|
||
$this->pageName = $pageName;
|
||
}
|
||
foreach ($html->find('div.replies') as $comment_block) {
|
||
$comment_block->outertext = '';
|
||
}
|
||
|
||
// expensive operation
|
||
$save = $html->save();
|
||
$html->load($save);
|
||
|
||
$pinned_post_item = null;
|
||
$last_post_id = 0;
|
||
|
||
foreach ($html->find('.post') as $post) {
|
||
if ($post->find('.wall_post_text_deleted')) {
|
||
// repost of deleted post
|
||
continue;
|
||
}
|
||
|
||
defaultLinkTo($post, self::URI);
|
||
|
||
$is_pinned_post = false;
|
||
if (strpos($post->getAttribute('class'), 'post_fixed') !== false) {
|
||
$is_pinned_post = true;
|
||
}
|
||
|
||
// Remove 'Show more' button
|
||
foreach ($post->find('button.PostTextMore') as $junk) {
|
||
$junk->outertext = '';
|
||
}
|
||
|
||
$content_suffix = '';
|
||
|
||
// looking for external links
|
||
$external_link_selectors = [
|
||
'a.page_media_link_title',
|
||
'div.page_media_link_title > a',
|
||
'div.media_desc > a.lnk',
|
||
];
|
||
|
||
foreach ($external_link_selectors as $sel) {
|
||
if (is_object($post->find($sel, 0))) {
|
||
$a = $post->find($sel, 0);
|
||
$innertext = $a->innertext;
|
||
$parsed_url = parse_url($a->getAttribute('href'));
|
||
if (strpos($parsed_url['path'], '/away.php') !== 0) {
|
||
continue;
|
||
}
|
||
parse_str($parsed_url['query'], $parsed_query);
|
||
$content_suffix .= "<br>External link: <a href='" . $parsed_query['to'] . "'>$innertext</a>";
|
||
}
|
||
}
|
||
|
||
// remove external link from content
|
||
$external_link_selectors_to_remove = [
|
||
'div.page_media_thumbed_link',
|
||
'div.page_media_link_desc_wrap',
|
||
'div.media_desc > a.lnk',
|
||
];
|
||
|
||
foreach ($external_link_selectors_to_remove as $sel) {
|
||
if (is_object($post->find($sel, 0))) {
|
||
$post->find($sel, 0)->outertext = '';
|
||
}
|
||
}
|
||
|
||
// looking for article
|
||
$article = $post->find('a.article_snippet', 0);
|
||
if (is_object($article)) {
|
||
if (strpos($article->getAttribute('class'), 'article_snippet_mini') !== false) {
|
||
$article_title_selector = 'div.article_snippet_mini_title';
|
||
$article_author_selector = 'div.article_snippet_mini_info > .mem_link,
|
||
div.article_snippet_mini_info > .group_link';
|
||
$article_thumb_selector = 'div.article_snippet_mini_thumb';
|
||
} else {
|
||
$article_title_selector = 'div.article_snippet__title';
|
||
$article_author_selector = 'div.article_snippet__author';
|
||
$article_thumb_selector = 'div.article_snippet__image';
|
||
}
|
||
$article_title = $article->find($article_title_selector, 0)->innertext ?? '';
|
||
$article_author = $article->find($article_author_selector, 0)->innertext ?? '';
|
||
$article_link = $article->getAttribute('href');
|
||
$article_img_element_style = $article->find($article_thumb_selector, 0)->getAttribute('style');
|
||
preg_match('/background-image: url\((.*)\)/', $article_img_element_style, $matches);
|
||
if (count($matches) > 0) {
|
||
$content_suffix .= "<br><img src='" . $matches[1] . "'>";
|
||
}
|
||
$content_suffix .= "<br>Article: <a href='$article_link'>$article_title ($article_author)</a>";
|
||
$article->outertext = '';
|
||
}
|
||
|
||
// get all videos
|
||
foreach ($post->find('a.page_post_thumb_video') as $a) {
|
||
$video_title = htmlspecialchars_decode($a->getAttribute('aria-label'));
|
||
$video_title_split_pos = strrpos($video_title, ' is ');
|
||
if ($video_title_split_pos !== false) {
|
||
$video_title = substr($video_title, 0, $video_title_split_pos);
|
||
}
|
||
$video_link = $a->getAttribute('href');
|
||
$this->appendVideo($video_title, $video_link, backgroundToImg($a), $content_suffix);
|
||
$a->outertext = '';
|
||
}
|
||
|
||
// get all photos
|
||
foreach ($post->find('div.wall_text a.page_post_thumb_wrap') as $a) {
|
||
$result = $this->getPhoto($a);
|
||
if ($result == null) {
|
||
continue;
|
||
}
|
||
$a->outertext = '';
|
||
$content_suffix .= "<br>$result";
|
||
}
|
||
|
||
// get albums
|
||
foreach ($post->find('.page_album_wrap') as $el) {
|
||
$a = $el->find('.page_album_link', 0);
|
||
$album_title = $a->find('.page_album_title_text', 0)->getAttribute('title');
|
||
$album_link = $a->getAttribute('href');
|
||
$el->outertext = '';
|
||
$content_suffix .= "<br>Album: <a href='$album_link'>$album_title</a>";
|
||
}
|
||
|
||
// get photo documents
|
||
foreach ($post->find('a.page_doc_photo_href') as $a) {
|
||
$doc_link = $a->getAttribute('href');
|
||
$doc_gif_label_element = $a->find('.page_gif_label', 0);
|
||
$doc_title_element = $a->find('.doc_label', 0);
|
||
|
||
if (is_object($doc_gif_label_element)) {
|
||
$gif_preview_img = backgroundToImg($a->find('.page_doc_photo', 0));
|
||
$content_suffix .= "<br>Gif: <a href='$doc_link'>$gif_preview_img</a>";
|
||
} elseif (is_object($doc_title_element)) {
|
||
$doc_title = $doc_title_element->innertext;
|
||
$content_suffix .= "<br>Doc: <a href='$doc_link'>$doc_title</a>";
|
||
} else {
|
||
continue;
|
||
}
|
||
|
||
$a->outertext = '';
|
||
}
|
||
|
||
// get other documents
|
||
foreach ($post->find('div.page_doc_row') as $div) {
|
||
$doc_title_element = $div->find('a.page_doc_title', 0);
|
||
|
||
if (is_object($doc_title_element)) {
|
||
$doc_title = $doc_title_element->innertext;
|
||
$doc_link = $doc_title_element->getAttribute('href');
|
||
$content_suffix .= "<br>Doc: <a href='$doc_link'>$doc_title</a>";
|
||
} else {
|
||
continue;
|
||
}
|
||
|
||
$div->outertext = '';
|
||
}
|
||
|
||
// get polls
|
||
foreach ($post->find('div.page_media_poll_wrap') as $div) {
|
||
$poll_title = $div->find('.page_media_poll_title', 0)->innertext;
|
||
$content_suffix .= "<br>Poll: $poll_title";
|
||
foreach ($div->find('div.page_poll_text') as $poll_stat_title) {
|
||
$content_suffix .= '<br>- ' . $poll_stat_title->innertext;
|
||
}
|
||
$div->outertext = '';
|
||
}
|
||
|
||
// get sign / post author
|
||
$post_author = $pageName;
|
||
$author_selectors = ['a.wall_signed_by', 'a.author'];
|
||
foreach ($author_selectors as $author_selector) {
|
||
$a = $post->find($author_selector, 0);
|
||
if (is_object($a)) {
|
||
$post_author = $a->innertext;
|
||
$a->outertext = '';
|
||
break;
|
||
}
|
||
}
|
||
|
||
// fix links and get post hashtags
|
||
$hashtags = [];
|
||
foreach ($post->find('a') as $a) {
|
||
$href = $a->getAttribute('href');
|
||
$innertext = $a->innertext;
|
||
|
||
$hashtag_prefix = '/feed?section=search&q=%23';
|
||
$hashtag = null;
|
||
|
||
if ($href && substr($href, 0, strlen($hashtag_prefix)) === $hashtag_prefix) {
|
||
$hashtag = urldecode(substr($href, strlen($hashtag_prefix)));
|
||
} elseif (substr($innertext, 0, 1) == '#') {
|
||
$hashtag = $innertext;
|
||
}
|
||
|
||
if ($hashtag) {
|
||
$a->outertext = $innertext;
|
||
$hashtags[] = $hashtag;
|
||
continue;
|
||
}
|
||
|
||
$parsed_url = parse_url($href);
|
||
|
||
if (array_key_exists('path', $parsed_url) === false) {
|
||
continue;
|
||
}
|
||
|
||
if (strpos($parsed_url['path'], '/away.php') === 0) {
|
||
parse_str($parsed_url['query'], $parsed_query);
|
||
$a->setAttribute('href', iconv(
|
||
'windows-1251',
|
||
'utf-8//ignore',
|
||
$parsed_query['to']
|
||
));
|
||
}
|
||
}
|
||
|
||
$copy_quote = $post->find('div.copy_quote', 0);
|
||
if (is_object($copy_quote)) {
|
||
if ($this->getInput('hide_reposts') === true) {
|
||
continue;
|
||
}
|
||
if ($copy_post_header = $copy_quote->find('div.copy_post_header', 0)) {
|
||
$copy_post_header->outertext = '';
|
||
}
|
||
|
||
$second_copy_quote = $copy_quote->find('div.published_sec_quote', 0);
|
||
if (is_object($second_copy_quote)) {
|
||
$second_copy_quote_author = $second_copy_quote->find('a.copy_author', 0)->outertext;
|
||
$second_copy_quote_content = $second_copy_quote->find('div.copy_post_date', 0)->outertext;
|
||
$second_copy_quote->outertext = "<br>Reposted ($second_copy_quote_author): $second_copy_quote_content";
|
||
}
|
||
$copy_quote_author = $copy_quote->find('a.copy_author', 0)->outertext;
|
||
$copy_quote_content = $copy_quote->innertext;
|
||
$copy_quote->outertext = "<br>Reposted ($copy_quote_author): <br>$copy_quote_content";
|
||
}
|
||
|
||
foreach ($post->find('.PrimaryAttachment .PhotoPrimaryAttachment') as $pa) {
|
||
$img = $pa->find('.PhotoPrimaryAttachment__imageElement', 0);
|
||
if (is_object($img)) {
|
||
$pa->outertext = $img->outertext;
|
||
}
|
||
}
|
||
|
||
foreach ($post->find('.SecondaryAttachment') as $sa) {
|
||
$sa_href = $sa->getAttribute('href');
|
||
if (!$sa_href) {
|
||
$sa_href = '';
|
||
}
|
||
$sa_task_click = $sa->getAttribute('data-task-click');
|
||
|
||
if (str_starts_with($sa_href, 'https://vk.com/doc')) {
|
||
// document
|
||
$doc_title = $sa->find('.SecondaryAttachment__childrenText', 0)->innertext;
|
||
$doc_size = $sa->find('.SecondaryAttachmentSubhead', 0)->innertext;
|
||
$doc_link = $sa_href;
|
||
$content_suffix .= "<br>Doc: <a href='$doc_link'>$doc_title</a> ($doc_size)";
|
||
$sa->outertext = '';
|
||
} else if (str_starts_with($sa_href, 'https://vk.com/@')) {
|
||
// article
|
||
$article_title = $sa->find('.SecondaryAttachment__childrenText', 0)->innertext;
|
||
$article_author = explode('Article · from ', $sa->find('.SecondaryAttachmentSubhead', 0)->innertext)[1];
|
||
$article_link = $sa_href;
|
||
$content_suffix .= "<br>Article: <a href='$article_link'>$article_title ($article_author)</a>";
|
||
$sa->outertext = '';
|
||
} else if ($sa_task_click == 'SecondaryAttachment/playAudio') {
|
||
// audio
|
||
$audio_json = json_decode(html_entity_decode($sa->getAttribute('data-audio')));
|
||
$audio_link = $audio_json->url;
|
||
$audio_title = $sa->find('.SecondaryAttachment__childrenText', 0)->innertext;
|
||
$audio_author = $sa->find('.SecondaryAttachmentSubhead', 0)->innertext;
|
||
$content_suffix .= "<br>Audio: <a href='$audio_link'>$audio_title ($audio_author)</a>";
|
||
$sa->outertext = '';
|
||
} else if ($sa_task_click == 'SecondaryAttachment/playPlaylist') {
|
||
// playlist link
|
||
$playlist_title = $sa->find('.SecondaryAttachment__childrenText', 0)->innertext;
|
||
$playlist_link = $sa->find('.SecondaryAttachment__link', 0)->getAttribute('href');
|
||
$content_suffix .= "<br>Playlist: <a href='$playlist_link'>$playlist_title</a>";
|
||
$sa->outertext = '';
|
||
}
|
||
}
|
||
|
||
$item = [];
|
||
$content = strip_tags(backgroundToImg($post->find('div.wall_text', 0)->innertext), '<a><br><img>');
|
||
$content .= $content_suffix;
|
||
if (!$content) {
|
||
$content = '(empty post)';
|
||
}
|
||
$content = str_get_html($content);
|
||
foreach ($content->find('img') as $img) {
|
||
$parsed_src = parse_url($img->getAttribute('src'));
|
||
|
||
// unblur images (case of impf)
|
||
// get original images instead of thumbnails (case of impg)
|
||
$imgPrefix = array_reduce(['/impf/', '/impg/'], function ($a, $c) use ($parsed_src) {
|
||
if ($a) {
|
||
return $a;
|
||
}
|
||
if (str_starts_with($parsed_src['path'], $c)) {
|
||
return $c;
|
||
}
|
||
return $a;
|
||
}, '');
|
||
if ($imgPrefix) {
|
||
$new_src = $parsed_src['scheme'] . '://' . $parsed_src['host'];
|
||
$new_src .= substr($parsed_src['path'], strlen($imgPrefix) - 1);
|
||
$img->setAttribute('src', $new_src);
|
||
}
|
||
}
|
||
$item['content'] = $content->outertext;
|
||
$item['categories'] = $hashtags;
|
||
|
||
// get post link
|
||
$post_link = $post->find('a.PostHeaderSubtitle__link', 0)->getAttribute('href');
|
||
preg_match('/wall-?\d+_(\d+)/', $post_link, $preg_match_result);
|
||
$item['post_id'] = intval($preg_match_result[1]);
|
||
$item['uri'] = $post_link;
|
||
$item['timestamp'] = $this->getTime($post);
|
||
$item['title'] = $this->getTitle($item['content']);
|
||
$item['author'] = $post_author;
|
||
if ($is_pinned_post) {
|
||
// do not append it now
|
||
$pinned_post_item = $item;
|
||
} else {
|
||
$last_post_id = $item['post_id'];
|
||
$this->items[] = $item;
|
||
}
|
||
}
|
||
|
||
if (!is_null($pinned_post_item)) {
|
||
if (count($this->items) == 0) {
|
||
$this->items[] = $pinned_post_item;
|
||
} elseif ($last_post_id < $pinned_post_item['post_id']) {
|
||
$this->items[] = $pinned_post_item;
|
||
usort($this->items, function ($item1, $item2) {
|
||
return $item2['post_id'] - $item1['post_id'];
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
private function getPhoto($a)
|
||
{
|
||
$onclick = $a->getAttribute('onclick');
|
||
preg_match('/return showPhoto\(.+?({.*})/', $onclick, $preg_match_result);
|
||
if (count($preg_match_result) == 0) {
|
||
return;
|
||
}
|
||
|
||
$arg = htmlspecialchars_decode(str_replace('queue:1', '"queue":1', $preg_match_result[1]));
|
||
$data = json_decode($arg, true);
|
||
if ($data == null) {
|
||
return;
|
||
}
|
||
|
||
$thumb = $data['temp']['base'] . $data['temp']['x_'][0];
|
||
$original = '';
|
||
foreach (['y_', 'z_', 'w_'] as $key) {
|
||
if (!isset($data['temp'][$key])) {
|
||
continue;
|
||
}
|
||
if (!isset($data['temp'][$key][0])) {
|
||
continue;
|
||
}
|
||
if (substr($data['temp'][$key][0], 0, 4) == 'http') {
|
||
$base = '';
|
||
} else {
|
||
$base = $data['temp']['base'];
|
||
}
|
||
$original = $base . $data['temp'][$key][0];
|
||
}
|
||
|
||
if ($original) {
|
||
return "<a href='$original'><img src='$thumb'></a>";
|
||
} else {
|
||
return backgroundToImg($a);
|
||
}
|
||
}
|
||
|
||
private function getTitle($content)
|
||
{
|
||
$content = explode('<br>', $content)[0];
|
||
$content = strip_tags($content);
|
||
preg_match('/^[:\,"\w\ \p{L}\(\)\?#«»\-\–\—||&\.%\\₽\/+\;\!]+/mu', htmlspecialchars_decode($content), $result);
|
||
if (count($result) == 0) {
|
||
return 'untitled';
|
||
}
|
||
return $result[0];
|
||
}
|
||
|
||
private function getTime($post)
|
||
{
|
||
$accurateDateElement = $post->find('span.rel_date', 0);
|
||
if ($accurateDateElement) {
|
||
return $accurateDateElement->getAttribute('time');
|
||
} else {
|
||
$strdate = $post->find('time.PostHeaderSubtitle__item', 0)->plaintext;
|
||
$strdate = preg_replace('/[\x00-\x1F\x7F-\xFF]/', ' ', $strdate);
|
||
|
||
$date = date_parse($strdate);
|
||
if (!$date['year']) {
|
||
if (strstr($strdate, 'today') !== false) {
|
||
$strdate = date('d-m-Y') . ' ' . $strdate;
|
||
} elseif (strstr($strdate, 'yesterday ') !== false) {
|
||
$time = time() - 60 * 60 * 24;
|
||
$strdate = date('d-m-Y', $time) . ' ' . $strdate;
|
||
} elseif ($date['month'] && intval(date('m')) < $date['month']) {
|
||
$strdate = $strdate . ' ' . (date('Y') - 1);
|
||
} else {
|
||
$strdate = $strdate . ' ' . date('Y');
|
||
}
|
||
|
||
$date = date_parse($strdate);
|
||
} elseif ($date['hour'] === false) {
|
||
$date['hour'] = $date['minute'] = '00';
|
||
}
|
||
return strtotime($date['day'] . '-' . $date['month'] . '-' . $date['year'] . ' ' .
|
||
$date['hour'] . ':' . $date['minute']) - $this->tz;
|
||
}
|
||
}
|
||
|
||
private function getContents()
|
||
{
|
||
$httpHeaders = [
|
||
'Accept-language: en',
|
||
'Cookie: remixlang=3',
|
||
];
|
||
$redirects = 0;
|
||
$uri = $this->getURI();
|
||
|
||
while ($redirects < 2) {
|
||
$response = getContents($uri, $httpHeaders, [CURLOPT_FOLLOWLOCATION => false], true);
|
||
|
||
if (in_array($response->getCode(), [200, 304])) {
|
||
return $response->getBody();
|
||
}
|
||
|
||
$headers = $response->getHeaders();
|
||
$uri = urljoin(self::URI, $headers['location'][0]);
|
||
|
||
if (str_contains($uri, '/429.html')) {
|
||
throw new RateLimitException();
|
||
}
|
||
|
||
if (!preg_match('#^https?://vk.com/#', $uri)) {
|
||
returnServerError('Unexpected redirect location: ' . $uri);
|
||
}
|
||
|
||
$redirects++;
|
||
}
|
||
|
||
returnServerError('Too many redirects, while retreving content from VK');
|
||
}
|
||
|
||
protected function appendVideo($video_title, $video_link, $previewImg, &$content_suffix)
|
||
{
|
||
if (!$video_title) {
|
||
$video_title = '(empty)';
|
||
}
|
||
|
||
$content_suffix .= '<br><a href="' . htmlspecialchars($video_link) . '">' . $previewImg;
|
||
$content_suffix .= 'Video: ' . $video_title . '</a>';
|
||
}
|
||
}
|