From 38f8a072df67e758cfa1da598ae91c7e6ccce8da Mon Sep 17 00:00:00 2001
From: Pk11 <epicpkmn11@outlook.com>
Date: Thu, 19 May 2022 17:54:29 -0500
Subject: [PATCH]

---
 rss.php | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 rss.php

diff --git a/rss.php b/rss.php
new file mode 100644
index 0000000..e2d55ba
--- /dev/null
+++ b/rss.php
@@ -0,0 +1,118 @@
+<?php
+	/* This is free and unencumbered software released into the public domain.
+	 *
+	 * Anyone is free to copy, modify, publish, use, compile, sell, or
+	 * distribute this software, either in source code form or as a compiled
+	 * binary, for any purpose, commercial or non-commercial, and by any
+	 * means.
+	 *
+	 * In jurisdictions that recognize copyright laws, the author or authors
+	 * of this software dedicate any and all copyright interest in the
+	 * software to the public domain. We make this dedication for the benefit
+	 * of the public at large and to the detriment of our heirs and
+	 * successors. We intend this dedication to be an overt act of
+	 * relinquishment in perpetuity of all present and future rights to this
+	 * software under copyright law.
+	 *
+	 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+	 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+	 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+	 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+	 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+	 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+	 * OTHER DEALINGS IN THE SOFTWARE.
+	 *
+	 * For more information, please refer to <http://unlicense.org/>
+	 */
+
+	// Return source code
+	if(isset($_GET['source'])) {
+		header("Content-Type: text/plain");
+		die(file_get_contents(basename($_SERVER['PHP_SELF'])));
+	}
+
+	// See bbs.php for a description of vars.php
+	require_once('vars.php');
+
+	// Regex callback, makes >>quotes into links
+	function quote_link($match) {
+		$query = "SELECT post_id FROM posts WHERE post_id=$1";
+		$result = pg_query_params($query, [$match[1]]) or die('Query failed: ' . pg_last_error());
+		$row_count = pg_num_rows($result);
+		pg_free_result($result);
+		if($row_count > 0)
+			return "<a href=\"#p{$match[1]}\">{$match[0]}</a>";
+		else
+			return "<del>{$match[0]}</del>";
+	}
+
+	$dbc = pg_connect("host=$DB_HOST dbname=$DB_NAME user=$DB_USER password=$DB_PASSWORD")
+			or die('Could not connect: ' . pg_last_error());
+
+	// Get posts
+	$posts = [];
+
+	$query = "SELECT post_id, name, trip, email, comment, img, TO_CHAR(post_time, 'Dy, DD Mon YYYY HH24:MI:SS TZHTZM') AS ts "
+			. "FROM posts ORDER BY posts.post_time DESC LIMIT 10";
+	$result = pg_query($query) or die('Query failed: ' . pg_last_error());
+
+	while($row = pg_fetch_array($result)) {
+		// Process quotes, links, and newlines
+		$comment = NULL;
+		if(!empty($row['comment'])) {
+			$comment = $row['comment'];
+			$comment = preg_replace('/^&gt;(?!&gt;\d).+/m', '<strong>$0</strong>', $comment);
+			$comment = preg_replace('/(?:https?|mailto|tel|ftp):[^\s]+/m', '<a href="$0">$0</a>', $comment);
+			$comment = preg_replace_callback('/&gt;&gt;\s*(\d+)/', quote_link, $comment);
+			$comment = str_replace("\n", "<br />", $comment);
+		}
+
+		$name = $row['name'];
+		if(!empty($row['trip']))
+			$name .= '◆' . $row['trip'];
+		$comment = htmlspecialchars("<p>$comment</p>");
+		$img = preg_replace('/\.(?:png|gif|bmp)$/', '.jpg', $row['img']);
+
+		$posts[] = [
+			'title' => "New post by $name",
+			'link' => $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['SERVER_NAME'] . '/#p' . $row['post_id'],
+			'description' => $comment,
+			'author' => $name,
+			'pubDate' => $row['ts'],
+			'guid' => 'p' . $row['post_id'],
+			'img' => empty($row['img']) ? NULL : [
+				'url' => $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['SERVER_NAME'] . '/' . THUMB_PATH . $img,
+				'length' => filesize(THUMB_PATH . $img),
+				'type' => mime_content_type(THUMB_PATH . $img)
+			]
+		];
+	}
+
+	pg_close($dbc);
+
+	header("Content-Type: application/rss+xml");
+?>
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">
+	<channel>
+		<title>BBS | ピケ.コム</title>
+		<link>http://db.universal-team.net</link>
+		<atom:link href="http://bbs.xn--rck9c.xn--tckwe/rss.php" rel="self" type="application/rss+xml" />
+		<description>dumb PHP BBS because I was bored</description>
+		<lastBuildDate><?php echo $posts[0]['pubDate']; ?></lastBuildDate>
+		<language>en-US</language>
+		<?php foreach($posts as $post) { ?>
+			<item>
+				<title><?php echo $post['title']; ?></title>
+				<link><?php echo $post['link']; ?></link>
+				<description><?php echo $post['description']; ?></description>
+				<author><?php echo $post['author']; ?></author>
+				<pubDate><?php echo $post['pubDate']; ?></pubDate>
+				<guid isPermaLink="false"><?php echo $post['guid']; ?></guid>
+				<?php if(!empty($post['img'])) { ?>
+					<enclosure url="<?php echo $post['img']['url']; ?>" length="<?php echo $post['img']['length']; ?>" type="<?php echo $post['img']['type']; ?>"></enclosure>
+				<?php } ?>
+			</item>
+		<?php } ?>
+	</channel>
+</rss>