mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-23 07:37:35 +00:00
120 lines
4.3 KiB
PHP
120 lines
4.3 KiB
PHP
<?php
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class ThreadsBridge extends BridgeAbstract
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{
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const NAME = 'Threads';
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const URI = 'https://www.threads.net/';
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const DESCRIPTION = 'Say more with Threads — Instagram's new text app.';
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const MAINTAINER = 'mdemoss';
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const CACHE_TIMEOUT = 3600;
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const PARAMETERS = [
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'By username' => [
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'u' => [
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'name' => 'username',
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'required' => true,
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'exampleValue' => 'zuck',
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'title' => 'Insert a user name'
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],
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'limit' => [
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'name' => 'Limit',
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'type' => 'number',
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'required' => false,
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'title' => 'Specify number of posts to fetch',
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'defaultValue' => 5
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]
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]
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];
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protected $feedName = self::NAME;
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public function getName()
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{
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return $this->feedName;
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}
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public function detectParameters($url)
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{
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// By username
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$regex = '/^(https?:\/\/)?(www\.)?threads\.net\/(@)?([^\/?\n]+)/';
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if (preg_match($regex, $url, $matches) > 0) {
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$params['context'] = 'By username';
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$params['u'] = urldecode($matches[3]);
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return $params;
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}
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return null;
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}
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public function getURI()
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{
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return self::URI . '@' . $this->getInput('u');
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}
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// https://stackoverflow.com/a/3975706/421140
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// Found this in FlaschenpostBridge, modified to return an array and take an object.
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private function recursiveFind($haystack, $needle)
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{
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$found = [];
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$iterator = new \RecursiveArrayIterator($haystack);
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$recursive = new \RecursiveIteratorIterator(
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$iterator,
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\RecursiveIteratorIterator::SELF_FIRST
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);
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foreach ($recursive as $key => $value) {
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if ($key === $needle) {
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$found[] = $value;
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}
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}
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return $found;
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}
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public function collectData()
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{
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$html = getSimpleHTMLDOMCached($this->getURI(), static::CACHE_TIMEOUT);
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$jsonBlobs = $html->find('script[type="application/json"]');
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$gatheredCodes = [];
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$limit = $this->getInput('limit');
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foreach ($jsonBlobs as $jsonBlob) {
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// The structure of the JSON document is likely to change, but we're looking for a "code" inside a "post"
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foreach ($this->recursiveFind($this->recursiveFind(json_decode($jsonBlob->innertext), 'post'), 'code') as $candidateCode) {
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// code should be like CzZk4-USq1O or Cy3m1VnRiwP or Cywjyrdv9T6 or CzZk4-USq1O
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if (grapheme_strlen($candidateCode) == 11 and !in_array($candidateCode, $gatheredCodes)) {
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$gatheredCodes[] = $candidateCode;
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if (count($gatheredCodes) >= $limit) {
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break 2;
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}
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}
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}
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}
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$this->feedName = html_entity_decode($html->find('meta[property=og:title]', 0)->content);
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// todo: meta[property=og:description] could populate the feed description
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foreach ($gatheredCodes as $postCode) {
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$item = [];
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// post URL is like: https://www.threads.net/@zuck/post/Czrr520PZfh
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$item['uri'] = $this->getURI() . '/post/' . $postCode;
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$articleHtml = getSimpleHTMLDOMCached($item['uri'], 15778800); // cache time: six months
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// Relying on meta tags ought to be more reliable.
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if ($articleHtml->find('meta[property=og:type]', 0)->content != 'article') {
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continue;
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}
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$item['title'] = $articleHtml->find('meta[property=og:description]', 0)->content;
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$item['content'] = $articleHtml->find('meta[property=og:description]', 0)->content;
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$item['author'] = html_entity_decode($articleHtml->find('meta[property=og:title]', 0)->content);
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$imageUrl = $articleHtml->find('meta[property=og:image]', 0);
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if ($imageUrl) {
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$item['enclosures'][] = html_entity_decode($imageUrl->content);
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}
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// todo: parse hashtags out of content for $item['categories']
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// todo: try to scrape out a timestamp for $item['timestamp'], it's not in the meta tags
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$this->items[] = $item;
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}
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}
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}
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