152 lines
4.0 KiB
PHP
152 lines
4.0 KiB
PHP
<?php
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class GitHubGistBridge extends BridgeAbstract
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{
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const NAME = 'GitHubGist comment bridge';
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const URI = 'https://gist.github.com';
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const DESCRIPTION = 'Generates feeds for Gist comments';
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const MAINTAINER = 'logmanoriginal';
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const CACHE_TIMEOUT = 3600;
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const PARAMETERS = [[
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'id' => [
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'name' => 'Gist',
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'type' => 'text',
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'required' => true,
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'title' => 'Insert Gist ID or URI',
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'exampleValue' => '2646763'
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]
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]];
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private $filename;
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public function getURI()
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{
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$id = $this->getInput('id') ?: '';
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$urlpath = parse_url($id, PHP_URL_PATH);
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if ($urlpath) {
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$components = explode('/', $urlpath);
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$id = end($components);
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}
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return static::URI . '/' . $id;
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}
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public function getName()
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{
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return $this->filename ? $this->filename . ' - ' . static::NAME : static::NAME;
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}
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public function collectData()
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{
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$html = getSimpleHTMLDOM(
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$this->getURI(),
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null,
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null,
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true,
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true,
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DEFAULT_TARGET_CHARSET,
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false, // Do NOT remove line breaks
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DEFAULT_BR_TEXT,
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DEFAULT_SPAN_TEXT
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);
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$html = defaultLinkTo($html, $this->getURI());
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$fileinfo = $html->find('[class~="file-info"]', 0)
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or returnServerError('Could not find file info!');
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$this->filename = $fileinfo->plaintext;
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$comments = $html->find('div[class~="TimelineItem"]');
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if (is_null($comments)) { // no comments yet
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return;
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}
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foreach ($comments as $comment) {
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$uri = $comment->find('a[href*=#gistcomment]', 0)
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or returnServerError('Could not find comment anchor!');
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$title = $comment->find('h3', 0);
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$datetime = $comment->find('[datetime]', 0)
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or returnServerError('Could not find comment datetime!');
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$author = $comment->find('a.author', 0)
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or returnServerError('Could not find author name!');
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$message = $comment->find('[class~="comment-body"]', 0)
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or returnServerError('Could not find comment body!');
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$item = [];
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$item['uri'] = $uri->href;
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$item['title'] = str_replace('commented', 'commented on', $title->plaintext ?? '');
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$item['timestamp'] = strtotime($datetime->datetime);
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$item['author'] = '<a href="' . $author->href . '">' . $author->plaintext . '</a>';
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$item['content'] = $this->fixContent($message);
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// $item['enclosures'] = array();
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// $item['categories'] = array();
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$this->items[] = $item;
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}
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}
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/** Removes all unnecessary tags and adds formatting */
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private function fixContent($content)
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{
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// Restore code (inside <pre />) highlighting
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foreach ($content->find('pre') as $pre) {
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$pre->style = <<<EOD
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padding: 16px;
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overflow: auto;
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font-size: 85%;
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line-height: 1.45;
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background-color: #f6f8fa;
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border-radius: 3px;
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word-wrap: normal;
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box-sizing: border-box;
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margin-bottom: 16px;
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EOD;
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$code = $pre->find('code', 0);
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if ($code) {
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$code->style = <<<EOD
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white-space: pre;
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word-break: normal;
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EOD;
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}
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}
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// find <code /> not inside <pre /> (`inline-code`)
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foreach ($content->find('code') as $code) {
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if ($code->parent()->tag === 'pre') {
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continue;
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}
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$code->style = <<<EOD
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background-color: rgba(27,31,35,0.05);
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padding: 0.2em 0.4em;
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border-radius: 3px;
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EOD;
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}
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// restore text spacing
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foreach ($content->find('p') as $p) {
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$p->style = 'margin-bottom: 16px;';
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}
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// Remove unnecessary tags
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$content = strip_tags(
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$content->innertext,
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'<p><a><img><ol><ul><li><table><tr><th><td><string><pre><code><br><hr><h>'
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);
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return $content;
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}
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}
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