85 lines
2.4 KiB
PHP
85 lines
2.4 KiB
PHP
<?php
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use Engelsystem\Http\Exceptions\HttpForbidden;
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use Engelsystem\Models\News;
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use Illuminate\Database\Eloquent\Collection;
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use Illuminate\Support\Collection as SupportCollection;
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/**
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* Publically available page to feed the news to feed readers
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*/
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function user_atom()
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{
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$request = request();
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$user = auth()->apiUser('key');
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if (
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!$request->has('key')
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|| !preg_match('/^[\da-f]{32}$/', $request->input('key'))
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|| empty($user)
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) {
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throw new HttpForbidden('Missing or invalid key', ['content-type' => 'text/text']);
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}
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if (!auth()->can('atom')) {
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throw new HttpForbidden('Not allowed', ['content-type' => 'text/text']);
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}
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$news = $request->has('meetings') ? News::whereIsMeeting((bool)$request->get('meetings', false)) : News::query();
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$news
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->limit((int)config('display_news'))
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->orderByDesc('updated_at');
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$output = make_atom_entries_from_news($news->get());
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header('Content-Type: application/atom+xml; charset=utf-8');
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header('Content-Length: ' . strlen($output));
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raw_output($output);
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}
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/**
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* @param News[]|Collection|SupportCollection $news_entries
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* @return string
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*/
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function make_atom_entries_from_news($news_entries)
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{
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$request = app('request');
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$updatedAt = isset($news_entries[0]) ? $news_entries[0]->updated_at->format('Y-m-d\TH:i:sP') : '0000:00:00T00:00:00+00:00';
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$html = '<?xml version="1.0" encoding="utf-8"?>
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<feed xmlns="http://www.w3.org/2005/Atom">
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<title>' . config('app_name') . '</title>
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<id>' . $request->getHttpHost()
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. htmlspecialchars(preg_replace(
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'#[&?]key=[a-f\d]{32}#',
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'',
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$request->getRequestUri()
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))
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. '</id>
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<updated>' . $updatedAt . '</updated>' . "\n";
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foreach ($news_entries as $news_entry) {
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$html .= make_atom_entry_from_news($news_entry);
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}
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$html .= '</feed>';
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return $html;
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}
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/**
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* @param News $news
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* @return string
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*/
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function make_atom_entry_from_news(News $news)
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{
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return '
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<entry>
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<title>' . htmlspecialchars($news->title) . '</title>
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<link href="' . page_link_to('news/' . $news->id) . '"/>
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<id>' . preg_replace(
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'#^https?://#',
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'',
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page_link_to('news/' . $news->id)
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) . '</id>
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<updated>' . $news->updated_at->format('Y-m-d\TH:i:sP') . '</updated>
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<summary type="html">' . htmlspecialchars($news->text) . '</summary>
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</entry>' . "\n";
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}
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