mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-25 19:06:23 +03:00
329 lines
13 KiB
PHP
329 lines
13 KiB
PHP
<?php
|
||
|
||
class Vk2Bridge extends BridgeAbstract
|
||
{
|
||
const MAINTAINER = 'em92';
|
||
const NAME = 'ВКонтакте';
|
||
const URI = 'https://vk.com';
|
||
const DESCRIPTION = 'Выводит записи на стене';
|
||
const CACHE_TIMEOUT = 300; // 5 minutes
|
||
const PARAMETERS = [
|
||
[
|
||
'u' => [
|
||
'name' => 'Короткое имя группы или профиля (из ссылки)',
|
||
'exampleValue' => 'goblin_oper_ru',
|
||
'required' => true
|
||
],
|
||
'hide_reposts' => [
|
||
'name' => 'Скрыть репосты',
|
||
'type' => 'checkbox',
|
||
]
|
||
]
|
||
];
|
||
|
||
const CONFIGURATION = [
|
||
'access_token' => [
|
||
'required' => true,
|
||
],
|
||
];
|
||
|
||
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 $ownerNames = [];
|
||
protected $pageName;
|
||
private $urlRegex = '/vk\.com\/([\w.]+)/';
|
||
private $rateLimitCacheKey = 'vk2_rate_limit';
|
||
|
||
public function getURI()
|
||
{
|
||
if (!is_null($this->getInput('u'))) {
|
||
return urljoin(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' => $matches[1]];
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
protected function getPostURI($post)
|
||
{
|
||
$r = 'https://vk.com/wall' . $post['owner_id'] . '_';
|
||
if (isset($post['reply_post_id'])) {
|
||
$r .= $post['reply_post_id'] . '?reply=' . $post['id'] . '&thread=' . $post['parents_stack'][0];
|
||
} else {
|
||
$r .= $post['id'];
|
||
}
|
||
return $r;
|
||
}
|
||
|
||
// This function is based on SlackCoyote's vkfeed2rss
|
||
// https://github.com/em92/vkfeed2rss
|
||
protected function generateContentFromPost($post)
|
||
{
|
||
// it's what we will return
|
||
$ret = $post['text'];
|
||
|
||
// html special characters convertion
|
||
$ret = htmlentities($ret, ENT_QUOTES | ENT_HTML401);
|
||
// change all linebreak to HTML compatible <br />
|
||
$ret = nl2br($ret);
|
||
|
||
$ret = "<p>$ret</p>";
|
||
|
||
// find URLs
|
||
$ret = preg_replace(
|
||
'/((https?|ftp|gopher)\:\/\/[a-zA-Z0-9\-\.]+(:[a-zA-Z0-9]*)?\/?([@\w\-\+\.\?\,\'\/&%\$#\=~\x5C])*)/',
|
||
"<a href='$1'>$1</a>",
|
||
$ret
|
||
);
|
||
|
||
// find [id1|Pawel Durow] form links
|
||
$ret = preg_replace('/\[(\w+)\|([^\]]+)\]/', "<a href='https://vk.com/$1'>$2</a>", $ret);
|
||
|
||
|
||
// attachments
|
||
if (isset($post['attachments'])) {
|
||
// level 1
|
||
foreach ($post['attachments'] as $attachment) {
|
||
if ($attachment['type'] == 'video') {
|
||
// VK videos
|
||
$title = e($attachment['video']['title']);
|
||
$photo = e($this->getImageURLWithLargestWidth($attachment['video']['image']));
|
||
$href = "https://vk.com/video{$attachment['video']['owner_id']}_{$attachment['video']['id']}";
|
||
$ret .= "<p><a href='{$href}'><img src='{$photo}' alt='Video: {$title}'><br/>Video: {$title}</a></p>";
|
||
} elseif ($attachment['type'] == 'audio') {
|
||
// VK audio
|
||
$artist = e($attachment['audio']['artist']);
|
||
$title = e($attachment['audio']['title']);
|
||
$ret .= "<p>Audio: {$artist} - {$title}</p>";
|
||
} elseif ($attachment['type'] == 'doc' and $attachment['doc']['ext'] != 'gif') {
|
||
// any doc apart of gif
|
||
$doc_url = e($attachment['doc']['url']);
|
||
$title = e($attachment['doc']['title']);
|
||
$ret .= "<p><a href='{$doc_url}'>Документ: {$title}</a></p>";
|
||
}
|
||
}
|
||
// level 2
|
||
foreach ($post['attachments'] as $attachment) {
|
||
if ($attachment['type'] == 'photo') {
|
||
// JPEG, PNG photos
|
||
// GIF in vk is a document, so, not handled as photo
|
||
$photo = e($this->getImageURLWithLargestWidth($attachment['photo']['sizes']));
|
||
$text = e($attachment['photo']['text']);
|
||
$ret .= "<p><img src='{$photo}' alt='{$text}'></p>";
|
||
} elseif ($attachment['type'] == 'doc' and $attachment['doc']['ext'] == 'gif') {
|
||
// GIF docs
|
||
$url = e($attachment['doc']['url']);
|
||
$ret .= "<p><img src='{$url}'></p>";
|
||
} elseif ($attachment['type'] == 'link') {
|
||
// links
|
||
$url = e($attachment['link']['url']);
|
||
$url = str_replace('https://m.vk.com', 'https://vk.com', $url);
|
||
$title = e($attachment['link']['title']);
|
||
if (isset($attachment['link']['photo'])) {
|
||
$photo = $this->getImageURLWithLargestWidth($attachment['link']['photo']['sizes']);
|
||
$ret .= "<p><a href='{$url}'><img src='{$photo}' alt='{$title}'><br>{$title}</a></p>";
|
||
} else {
|
||
$ret .= "<p><a href='{$url}'>{$title}</a></p>";
|
||
}
|
||
} elseif ($attachment['type'] == 'note') {
|
||
// notes
|
||
$title = e($attachment['note']['title']);
|
||
$url = e($attachment['note']['view_url']);
|
||
$ret .= "<p><a href='{$url}'>{$title}</a></p>";
|
||
} elseif ($attachment['type'] == 'poll') {
|
||
// polls
|
||
$question = e($attachment['poll']['question']);
|
||
$vote_count = $attachment['poll']['votes'];
|
||
$answers = $attachment['poll']['answers'];
|
||
$ret .= "<p>Poll: {$question} ({$vote_count} votes)<br />";
|
||
foreach ($answers as $answer) {
|
||
$text = e($answer['text']);
|
||
$votes = $answer['votes'];
|
||
$rate = $answer['rate'];
|
||
$ret .= "* {$text}: {$votes} ({$rate}%)<br />";
|
||
}
|
||
$ret .= '</p>';
|
||
} elseif ($attachment['type'] == 'album') {
|
||
$album = $attachment['album'];
|
||
$url = "https://vk.com/album{$album['owner_id']}_{$album['id']}";
|
||
$title = 'Альбом: ' . $album['title'];
|
||
$photo = $this->getImageURLWithLargestWidth($album['thumb']['sizes']);
|
||
$ret .= "<p><a href='{$url}'><img src='{$photo}' alt='{$title}'><br>{$title}</a></p>";
|
||
} elseif (!in_array($attachment['type'], ['video', 'audio', 'doc'])) {
|
||
$ret .= "<p>Unknown attachment type: {$attachment['type']}</p>";
|
||
}
|
||
}
|
||
}
|
||
|
||
return $ret;
|
||
}
|
||
|
||
protected function getImageURLWithLargestWidth($items)
|
||
{
|
||
usort($items, function ($a, $b) {
|
||
return $b['width'] - $a['width'];
|
||
});
|
||
return $items[0]['url'];
|
||
}
|
||
|
||
public function collectData()
|
||
{
|
||
if ($this->cache->get($this->rateLimitCacheKey)) {
|
||
throw new HttpException('429 Too Many Requests', 429);
|
||
}
|
||
|
||
$u = $this->getInput('u');
|
||
$ownerId = null;
|
||
|
||
// getting ownerId from url
|
||
$r = preg_match('/^(club|public)(\d+)$/', $u, $matches);
|
||
if ($r) {
|
||
$ownerId = -intval($matches[2]);
|
||
} else {
|
||
$r = preg_match('/^(id)(\d+)$/', $u, $matches);
|
||
if ($r) {
|
||
$ownerId = intval($matches[2]);
|
||
}
|
||
}
|
||
|
||
// getting owner id from API
|
||
if (is_null($ownerId)) {
|
||
$r = $this->api('groups.getById', [
|
||
'group_ids' => $u,
|
||
], [100]);
|
||
if (isset($r['response'][0])) {
|
||
$ownerId = -$r['response'][0]['id'];
|
||
} else {
|
||
$r = $this->api('users.get', [
|
||
'user_ids' => $u,
|
||
]);
|
||
if (count($r['response']) > 0) {
|
||
$ownerId = $r['response'][0]['id'];
|
||
}
|
||
}
|
||
}
|
||
|
||
if (is_null($ownerId)) {
|
||
returnServerError('Could not detect owner id');
|
||
}
|
||
|
||
$r = $this->api('wall.get', [
|
||
'owner_id' => $ownerId,
|
||
'extended' => '1',
|
||
]);
|
||
|
||
// preparing ownerNames dictionary
|
||
foreach ($r['response']['profiles'] as $profile) {
|
||
$this->ownerNames[$profile['id']] = $profile['first_name'] . ' ' . $profile['last_name'];
|
||
}
|
||
foreach ($r['response']['groups'] as $group) {
|
||
$this->ownerNames[-$group['id']] = $group['name'];
|
||
}
|
||
$this->generateFeed($r);
|
||
}
|
||
|
||
protected function generateFeed($r)
|
||
{
|
||
$ownerId = 0;
|
||
|
||
foreach ($r['response']['items'] as $post) {
|
||
if (!$ownerId) {
|
||
$ownerId = $post['owner_id'];
|
||
}
|
||
$item = new FeedItem();
|
||
$content = $this->generateContentFromPost($post);
|
||
if (isset($post['copy_history'])) {
|
||
if ($this->getInput('hide_reposts')) {
|
||
continue;
|
||
}
|
||
$originalPost = $post['copy_history'][0];
|
||
if ($originalPost['from_id'] < 0) {
|
||
$originalPostAuthorScreenName = 'club' . (-$originalPost['owner_id']);
|
||
} else {
|
||
$originalPostAuthorScreenName = 'id' . $originalPost['owner_id'];
|
||
}
|
||
$originalPostAuthorURI = 'https://vk.com/' . $originalPostAuthorScreenName;
|
||
$originalPostAuthorName = $this->ownerNames[$originalPost['from_id']];
|
||
$originalPostAuthor = "<a href='$originalPostAuthorURI'>$originalPostAuthorName</a>";
|
||
$content .= '<p>Репост (<a href="';
|
||
$content .= $this->getPostURI($originalPost);
|
||
$content .= '">Пост</a> от ';
|
||
$content .= $originalPostAuthor;
|
||
$content .= '):</p>';
|
||
$content .= $this->generateContentFromPost($originalPost);
|
||
}
|
||
$item->setContent($content);
|
||
$item->setTimestamp($post['date']);
|
||
$item->setAuthor($this->ownerNames[$post['from_id']]);
|
||
$item->setTitle($this->getTitle(strip_tags($content)));
|
||
$item->setURI($this->getPostURI($post));
|
||
|
||
$this->items[] = $item;
|
||
}
|
||
|
||
$this->pageName = $this->ownerNames[$ownerId];
|
||
}
|
||
|
||
protected 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 $result[0];
|
||
}
|
||
|
||
protected function api($method, array $params, $expected_error_codes = [])
|
||
{
|
||
$access_token = $this->getOption('access_token');
|
||
if (!$access_token) {
|
||
returnServerError('You cannot run VK API methods without access_token');
|
||
}
|
||
$params['v'] = '5.131';
|
||
$r = json_decode(
|
||
getContents(
|
||
'https://api.vk.com/method/' . $method . '?' . http_build_query($params),
|
||
['Authorization: Bearer ' . $access_token]
|
||
),
|
||
true
|
||
);
|
||
if (isset($r['error']) && !in_array($r['error']['error_code'], $expected_error_codes)) {
|
||
if ($r['error']['error_code'] == 6) {
|
||
$this->cache->set($this->rateLimitCacheKey, true, 5);
|
||
} else if ($r['error']['error_code'] == 29) {
|
||
// wall.get has limit of 5000 requests per day
|
||
// if that limit is hit, VK returns error 29
|
||
$this->cache->set($this->rateLimitCacheKey, true, 60 * 30);
|
||
}
|
||
returnServerError('API returned error: ' . $r['error']['error_msg'] . ' (' . $r['error']['error_code'] . ')');
|
||
}
|
||
return $r;
|
||
}
|
||
}
|